gtk+-2.6.10-20050823.zip and gtk+-dev-2.6.10-20050823.zip are GTK+ 2.6.10, plus a fix to one source file: gtk/gtkcombobox.c: * gtk/gtkcombobox.c (gtk_combo_box_list_destroy): Cleanup a possible resize idle. (#311141, Robert Ögren) That file is included here below: /* gtkcombobox.c * Copyright (C) 2002, 2003 Kristian Rietveld * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include "gtkcombobox.h" #include "gtkarrow.h" #include "gtkbindings.h" #include "gtkcelllayout.h" #include "gtkcellrenderertext.h" #include "gtkcellview.h" #include "gtkeventbox.h" #include "gtkframe.h" #include "gtkhbox.h" #include "gtkliststore.h" #include "gtkmain.h" #include "gtkmenu.h" #include "gtkscrolledwindow.h" #include "gtkseparatormenuitem.h" #include "gtktearoffmenuitem.h" #include "gtktogglebutton.h" #include "gtktreeselection.h" #include "gtkvseparator.h" #include "gtkwindow.h" #include #include #include #include #include "gtkmarshalers.h" #include "gtkintl.h" #include "gtktreeprivate.h" #include "gtkalias.h" /* WELCOME, to THE house of evil code */ typedef struct _ComboCellInfo ComboCellInfo; struct _ComboCellInfo { GtkCellRenderer *cell; GSList *attributes; GtkCellLayoutDataFunc func; gpointer func_data; GDestroyNotify destroy; guint expand : 1; guint pack : 1; }; #define GTK_COMBO_BOX_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_COMBO_BOX, GtkComboBoxPrivate)) struct _GtkComboBoxPrivate { GtkTreeModel *model; gint col_column; gint row_column; gint wrap_width; GtkTreeRowReference *active_row; GtkWidget *tree_view; GtkTreeViewColumn *column; GtkWidget *cell_view; GtkWidget *cell_view_frame; GtkWidget *button; GtkWidget *box; GtkWidget *arrow; GtkWidget *separator; GtkWidget *popup_widget; GtkWidget *popup_window; GtkWidget *popup_frame; GtkWidget *scrolled_window; guint inserted_id; guint deleted_id; guint reordered_id; guint changed_id; guint popup_idle_id; guint scroll_timer; guint resize_idle_id; gint width; GSList *cells; guint popup_in_progress : 1; guint destroying : 1; guint add_tearoffs : 1; guint has_frame : 1; guint is_cell_renderer : 1; guint editing_canceled : 1; guint auto_scroll : 1; guint focus_on_click : 1; GtkTreeViewRowSeparatorFunc row_separator_func; gpointer row_separator_data; GtkDestroyNotify row_separator_destroy; }; /* While debugging this evil code, I have learned that * there are actually 4 modes to this widget, which can * be characterized as follows * * 1) menu mode, no child added * * tree_view -> NULL * cell_view -> GtkCellView, regular child * cell_view_frame -> NULL * button -> GtkToggleButton set_parent to combo * arrow -> GtkArrow set_parent to button * separator -> GtkVSepator set_parent to button * popup_widget -> GtkMenu * popup_window -> NULL * popup_frame -> NULL * scrolled_window -> NULL * * 2) menu mode, child added * * tree_view -> NULL * cell_view -> NULL * cell_view_frame -> NULL * button -> GtkToggleButton set_parent to combo * arrow -> GtkArrow, child of button * separator -> NULL * popup_widget -> GtkMenu * popup_window -> NULL * popup_frame -> NULL * scrolled_window -> NULL * * 3) list mode, no child added * * tree_view -> GtkTreeView, child of popup_frame * cell_view -> GtkCellView, regular child * cell_view_frame -> GtkFrame, set parent to combo * button -> GtkToggleButton, set_parent to combo * arrow -> GtkArrow, child of button * separator -> NULL * popup_widget -> tree_view * popup_window -> GtkWindow * popup_frame -> GtkFrame, child of popup_window * scrolled_window -> GtkScrolledWindow, child of popup_frame * * 4) list mode, child added * * tree_view -> GtkTreeView, child of popup_frame * cell_view -> NULL * cell_view_frame -> NULL * button -> GtkToggleButton, set_parent to combo * arrow -> GtkArrow, child of button * separator -> NULL * popup_widget -> tree_view * popup_window -> GtkWindow * popup_frame -> GtkFrame, child of popup_window * scrolled_window -> GtkScrolledWindow, child of popup_frame * */ enum { CHANGED, LAST_SIGNAL }; enum { PROP_0, PROP_MODEL, PROP_WRAP_WIDTH, PROP_ROW_SPAN_COLUMN, PROP_COLUMN_SPAN_COLUMN, PROP_ACTIVE, PROP_ADD_TEAROFFS, PROP_HAS_FRAME, PROP_FOCUS_ON_CLICK }; static GtkBinClass *parent_class = NULL; static guint combo_box_signals[LAST_SIGNAL] = {0,}; #define BONUS_PADDING 4 #define SCROLL_TIME 100 /* common */ static void gtk_combo_box_class_init (GtkComboBoxClass *klass); static void gtk_combo_box_cell_layout_init (GtkCellLayoutIface *iface); static void gtk_combo_box_cell_editable_init (GtkCellEditableIface *iface); static void gtk_combo_box_init (GtkComboBox *combo_box); static void gtk_combo_box_finalize (GObject *object); static void gtk_combo_box_destroy (GtkObject *object); static void gtk_combo_box_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *spec); static void gtk_combo_box_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *spec); static void gtk_combo_box_state_changed (GtkWidget *widget, GtkStateType previous);static void gtk_combo_box_grab_focus (GtkWidget *widget); static void gtk_combo_box_style_set (GtkWidget *widget, GtkStyle *previous); static void gtk_combo_box_button_toggled (GtkWidget *widget, gpointer data); static void gtk_combo_box_button_state_changed (GtkWidget *widget, GtkStateType previous, gpointer data); static void gtk_combo_box_add (GtkContainer *container, GtkWidget *widget); static void gtk_combo_box_remove (GtkContainer *container, GtkWidget *widget); static ComboCellInfo *gtk_combo_box_get_cell_info (GtkComboBox *combo_box, GtkCellRenderer *cell); static void gtk_combo_box_menu_show (GtkWidget *menu, gpointer user_data); static void gtk_combo_box_menu_hide (GtkWidget *menu, gpointer user_data); static void gtk_combo_box_set_popup_widget (GtkComboBox *combo_box, GtkWidget *popup); static void gtk_combo_box_menu_position_below (GtkMenu *menu, gint *x, gint *y, gint *push_in, gpointer user_data); static void gtk_combo_box_menu_position_over (GtkMenu *menu, gint *x, gint *y, gint *push_in, gpointer user_data); static void gtk_combo_box_menu_position (GtkMenu *menu, gint *x, gint *y, gint *push_in, gpointer user_data); static gint gtk_combo_box_calc_requested_width (GtkComboBox *combo_box, GtkTreePath *path); static void gtk_combo_box_remeasure (GtkComboBox *combo_box); static void gtk_combo_box_unset_model (GtkComboBox *combo_box); static void gtk_combo_box_size_request (GtkWidget *widget, GtkRequisition *requisition); static void gtk_combo_box_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void gtk_combo_box_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data); static gboolean gtk_combo_box_expose_event (GtkWidget *widget, GdkEventExpose *event); static gboolean gtk_combo_box_scroll_event (GtkWidget *widget, GdkEventScroll *event); static void gtk_combo_box_set_active_internal (GtkComboBox *combo_box, GtkTreePath *path); static gboolean gtk_combo_box_key_press (GtkWidget *widget, GdkEventKey *event, gpointer data); static void gtk_combo_box_check_appearance (GtkComboBox *combo_box); static gchar * gtk_combo_box_real_get_active_text (GtkComboBox *combo_box); /* listening to the model */ static void gtk_combo_box_model_row_inserted (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data); static void gtk_combo_box_model_row_deleted (GtkTreeModel *model, GtkTreePath *path, gpointer user_data); static void gtk_combo_box_model_rows_reordered (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gint *new_order, gpointer user_data); static void gtk_combo_box_model_row_changed (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); static void gtk_combo_box_model_row_expanded (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); /* list */ static void gtk_combo_box_list_position (GtkComboBox *combo_box, gint *x, gint *y, gint *width, gint *height); static void gtk_combo_box_list_setup (GtkComboBox *combo_box); static void gtk_combo_box_list_destroy (GtkComboBox *combo_box); static void gtk_combo_box_list_remove_grabs (GtkComboBox *combo_box); static gboolean gtk_combo_box_list_button_released (GtkWidget *widget, GdkEventButton *event, gpointer data); static gboolean gtk_combo_box_list_key_press (GtkWidget *widget, GdkEventKey *event, gpointer data); static gboolean gtk_combo_box_list_enter_notify (GtkWidget *widget, GdkEventCrossing *event, gpointer data); static void gtk_combo_box_list_auto_scroll (GtkComboBox *combo, gint x, gint y); static gboolean gtk_combo_box_list_scroll_timeout (GtkComboBox *combo); static gboolean gtk_combo_box_list_button_pressed (GtkWidget *widget, GdkEventButton *event, gpointer data); static void gtk_combo_box_list_row_changed (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); static void gtk_combo_box_list_popup_resize (GtkComboBox *combo_box); /* menu */ static void gtk_combo_box_menu_setup (GtkComboBox *combo_box, gboolean add_children); static void gtk_combo_box_menu_fill (GtkComboBox *combo_box); static void gtk_combo_box_menu_fill_level (GtkComboBox *combo_box, GtkWidget *menu, GtkTreeIter *iter); static void gtk_combo_box_menu_destroy (GtkComboBox *combo_box); static void gtk_combo_box_relayout_item (GtkComboBox *combo_box, GtkWidget *item, GtkTreeIter *iter, GtkWidget *last); static void gtk_combo_box_relayout (GtkComboBox *combo_box); static gboolean gtk_combo_box_menu_button_press (GtkWidget *widget, GdkEventButton *event, gpointer user_data); static void gtk_combo_box_menu_item_activate (GtkWidget *item, gpointer user_data); static void gtk_combo_box_menu_row_inserted (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data); static void gtk_combo_box_menu_row_deleted (GtkTreeModel *model, GtkTreePath *path, gpointer user_data); static void gtk_combo_box_menu_rows_reordered (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gint *new_order, gpointer user_data); static void gtk_combo_box_menu_row_changed (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); static gboolean gtk_combo_box_menu_key_press (GtkWidget *widget, GdkEventKey *event, gpointer data); static void gtk_combo_box_menu_popup (GtkComboBox *combo_box, guint button, guint32 activate_time); static GtkWidget *gtk_cell_view_menu_item_new (GtkComboBox *combo_box, GtkTreeModel *model, GtkTreeIter *iter); /* cell layout */ static void gtk_combo_box_cell_layout_pack_start (GtkCellLayout *layout, GtkCellRenderer *cell, gboolean expand); static void gtk_combo_box_cell_layout_pack_end (GtkCellLayout *layout, GtkCellRenderer *cell, gboolean expand); static void gtk_combo_box_cell_layout_clear (GtkCellLayout *layout); static void gtk_combo_box_cell_layout_add_attribute (GtkCellLayout *layout, GtkCellRenderer *cell, const gchar *attribute, gint column); static void gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout, GtkCellRenderer *cell, GtkCellLayoutDataFunc func, gpointer func_data, GDestroyNotify destroy); static void gtk_combo_box_cell_layout_clear_attributes (GtkCellLayout *layout, GtkCellRenderer *cell); static void gtk_combo_box_cell_layout_reorder (GtkCellLayout *layout, GtkCellRenderer *cell, gint position); static gboolean gtk_combo_box_mnemonic_activate (GtkWidget *widget, gboolean group_cycling); static void gtk_combo_box_sync_cells (GtkComboBox *combo_box, GtkCellLayout *cell_layout); static void combo_cell_data_func (GtkCellLayout *cell_layout, GtkCellRenderer *cell, GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data); /* GtkCellEditable method implementations */ static void gtk_combo_box_start_editing (GtkCellEditable *cell_editable, GdkEvent *event); GType gtk_combo_box_get_type (void) { static GType combo_box_type = 0; if (!combo_box_type) { static const GTypeInfo combo_box_info = { sizeof (GtkComboBoxClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_combo_box_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkComboBox), 0, (GInstanceInitFunc) gtk_combo_box_init }; static const GInterfaceInfo cell_layout_info = { (GInterfaceInitFunc) gtk_combo_box_cell_layout_init, NULL, NULL }; static const GInterfaceInfo cell_editable_info = { (GInterfaceInitFunc) gtk_combo_box_cell_editable_init, NULL, NULL }; combo_box_type = g_type_register_static (GTK_TYPE_BIN, "GtkComboBox", &combo_box_info, 0); g_type_add_interface_static (combo_box_type, GTK_TYPE_CELL_LAYOUT, &cell_layout_info); g_type_add_interface_static (combo_box_type, GTK_TYPE_CELL_EDITABLE, &cell_editable_info); } return combo_box_type; } /* common */ static void gtk_combo_box_class_init (GtkComboBoxClass *klass) { GObjectClass *object_class; GtkBindingSet *binding_set; GtkObjectClass *gtk_object_class; GtkContainerClass *container_class; GtkWidgetClass *widget_class; binding_set = gtk_binding_set_by_class (klass); klass->get_active_text = gtk_combo_box_real_get_active_text; container_class = (GtkContainerClass *)klass; container_class->forall = gtk_combo_box_forall; container_class->add = gtk_combo_box_add; container_class->remove = gtk_combo_box_remove; widget_class = (GtkWidgetClass *)klass; widget_class->size_allocate = gtk_combo_box_size_allocate; widget_class->size_request = gtk_combo_box_size_request; widget_class->expose_event = gtk_combo_box_expose_event; widget_class->scroll_event = gtk_combo_box_scroll_event; widget_class->mnemonic_activate = gtk_combo_box_mnemonic_activate; widget_class->grab_focus = gtk_combo_box_grab_focus; widget_class->style_set = gtk_combo_box_style_set; widget_class->state_changed = gtk_combo_box_state_changed; gtk_object_class = (GtkObjectClass *)klass; gtk_object_class->destroy = gtk_combo_box_destroy; object_class = (GObjectClass *)klass; object_class->finalize = gtk_combo_box_finalize; object_class->set_property = gtk_combo_box_set_property; object_class->get_property = gtk_combo_box_get_property; parent_class = g_type_class_peek_parent (klass); /* signals */ /** * GtkComboBox::changed: * @widget: the object which received the signal * * The changed signal gets emitted when the active * item is changed. The can be due to the user selecting * a different item from the list, or due to a * call to gtk_combo_box_set_active_iter(). * * Since: 2.4 */ combo_box_signals[CHANGED] = g_signal_new ("changed", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkComboBoxClass, changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); /* properties */ /** * GtkComboBox:model: * * The model from which the combo box takes the values shown * in the list. * * Since: 2.4 */ g_object_class_install_property (object_class, PROP_MODEL, g_param_spec_object ("model", P_("ComboBox model"), P_("The model for the combo box"), GTK_TYPE_TREE_MODEL, G_PARAM_READWRITE)); /** * GtkComboBox:wrap-width: * * If wrap-width is set to a positive value, the list will be * displayed in multiple columns, the number of columns is * determined by wrap-width. * * Since: 2.4 */ g_object_class_install_property (object_class, PROP_WRAP_WIDTH, g_param_spec_int ("wrap_width", P_("Wrap width"), P_("Wrap width for layouting the items in a grid"), 0, G_MAXINT, 0, G_PARAM_READWRITE)); /** * GtkComboBox:row-span-column: * * If this is set to a non-negative value, it must be the index of a column * of type %G_TYPE_INT in the model. * * The values of that column are used to determine how many rows a value * in the list will span. Therefore, the values in the model column pointed * to by this property must be greater than zero and not larger than wrap-width. * * Since: 2.4 */ g_object_class_install_property (object_class, PROP_ROW_SPAN_COLUMN, g_param_spec_int ("row_span_column", P_("Row span column"), P_("TreeModel column containing the row span values"), -1, G_MAXINT, -1, G_PARAM_READWRITE)); /** * GtkComboBox:column-span-column: * * If this is set to a non-negative value, it must be the index of a column * of type %G_TYPE_INT in the model. * * The values of that column are used to determine how many columns a value * in the list will span. * * Since: 2.4 */ g_object_class_install_property (object_class, PROP_COLUMN_SPAN_COLUMN, g_param_spec_int ("column_span_column", P_("Column span column"), P_("TreeModel column containing the column span values"), -1, G_MAXINT, -1, G_PARAM_READWRITE)); /** * GtkComboBox:active: * * The item which is currently active. If the model is a non-flat treemodel, * and the active item is not an immediate child of the root of the tree, * this property has the value gtk_tree_path_get_indices (path)[0], * where path is the #GtkTreePath of the active item. * * Since: 2.4 */ g_object_class_install_property (object_class, PROP_ACTIVE, g_param_spec_int ("active", P_("Active item"), P_("The item which is currently active"), -1, G_MAXINT, -1, G_PARAM_READWRITE)); /** * GtkComboBox:add-tearoffs: * * The add-tearoffs property controls whether generated menus * have tearoff menu items. * * Note that this only affects menu style combo boxes. * * Since: 2.6 */ g_object_class_install_property (object_class, PROP_ADD_TEAROFFS, g_param_spec_boolean ("add-tearoffs", P_("Add tearoffs to menus"), P_("Whether dropdowns should have a tearoff menu item"), FALSE, G_PARAM_READWRITE)); /** * GtkComboBox:has-frame: * * The has-frame property controls whether a frame * is drawn around the entry. * * Since: 2.6 */ g_object_class_install_property (object_class, PROP_HAS_FRAME, g_param_spec_boolean ("has-frame", P_("Has Frame"), P_("Whether the combo box draws a frame around the child"), TRUE, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_FOCUS_ON_CLICK, g_param_spec_boolean ("focus_on_click", P_("Focus on click"), P_("Whether the combo box grabs focus when it is clicked with the mouse"), TRUE, G_PARAM_READWRITE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_boolean ("appears-as-list", P_("Appears as list"), P_("Whether dropdowns should look like lists rather than menus"), FALSE, G_PARAM_READABLE)); g_type_class_add_private (object_class, sizeof (GtkComboBoxPrivate)); } static void gtk_combo_box_cell_layout_init (GtkCellLayoutIface *iface) { iface->pack_start = gtk_combo_box_cell_layout_pack_start; iface->pack_end = gtk_combo_box_cell_layout_pack_end; iface->clear = gtk_combo_box_cell_layout_clear; iface->add_attribute = gtk_combo_box_cell_layout_add_attribute; iface->set_cell_data_func = gtk_combo_box_cell_layout_set_cell_data_func; iface->clear_attributes = gtk_combo_box_cell_layout_clear_attributes; iface->reorder = gtk_combo_box_cell_layout_reorder; } static void gtk_combo_box_cell_editable_init (GtkCellEditableIface *iface) { iface->start_editing = gtk_combo_box_start_editing; } static void gtk_combo_box_init (GtkComboBox *combo_box) { combo_box->priv = GTK_COMBO_BOX_GET_PRIVATE (combo_box); combo_box->priv->cell_view = gtk_cell_view_new (); gtk_widget_set_parent (combo_box->priv->cell_view, GTK_WIDGET (combo_box)); GTK_BIN (combo_box)->child = combo_box->priv->cell_view; gtk_widget_show (combo_box->priv->cell_view); combo_box->priv->width = 0; combo_box->priv->wrap_width = 0; combo_box->priv->active_row = NULL; combo_box->priv->col_column = -1; combo_box->priv->row_column = -1; combo_box->priv->add_tearoffs = FALSE; combo_box->priv->has_frame = TRUE; combo_box->priv->is_cell_renderer = FALSE; combo_box->priv->editing_canceled = FALSE; combo_box->priv->auto_scroll = FALSE; combo_box->priv->focus_on_click = TRUE; } static void gtk_combo_box_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkComboBox *combo_box = GTK_COMBO_BOX (object); switch (prop_id) { case PROP_MODEL: gtk_combo_box_set_model (combo_box, g_value_get_object (value)); break; case PROP_WRAP_WIDTH: gtk_combo_box_set_wrap_width (combo_box, g_value_get_int (value)); break; case PROP_ROW_SPAN_COLUMN: gtk_combo_box_set_row_span_column (combo_box, g_value_get_int (value)); break; case PROP_COLUMN_SPAN_COLUMN: gtk_combo_box_set_column_span_column (combo_box, g_value_get_int (value)); break; case PROP_ACTIVE: gtk_combo_box_set_active (combo_box, g_value_get_int (value)); break; case PROP_ADD_TEAROFFS: gtk_combo_box_set_add_tearoffs (combo_box, g_value_get_boolean (value)); break; case PROP_HAS_FRAME: combo_box->priv->has_frame = g_value_get_boolean (value); break; case PROP_FOCUS_ON_CLICK: combo_box->priv->focus_on_click = g_value_get_boolean (value); break; default: break; } } static void gtk_combo_box_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkComboBox *combo_box = GTK_COMBO_BOX (object); switch (prop_id) { case PROP_MODEL: g_value_set_object (value, combo_box->priv->model); break; case PROP_WRAP_WIDTH: g_value_set_int (value, combo_box->priv->wrap_width); break; case PROP_ROW_SPAN_COLUMN: g_value_set_int (value, combo_box->priv->row_column); break; case PROP_COLUMN_SPAN_COLUMN: g_value_set_int (value, combo_box->priv->col_column); break; case PROP_ACTIVE: g_value_set_int (value, gtk_combo_box_get_active (combo_box)); break; case PROP_ADD_TEAROFFS: g_value_set_boolean (value, gtk_combo_box_get_add_tearoffs (combo_box)); break; case PROP_HAS_FRAME: g_value_set_boolean (value, combo_box->priv->has_frame); break; case PROP_FOCUS_ON_CLICK: g_value_set_boolean (value, combo_box->priv->focus_on_click); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_combo_box_state_changed (GtkWidget *widget, GtkStateType previous) { GtkComboBox *combo_box = GTK_COMBO_BOX (widget); if (GTK_WIDGET_REALIZED (widget)) { if (combo_box->priv->tree_view && combo_box->priv->cell_view) gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view), &widget->style->base[GTK_WIDGET_STATE (widget)]); } gtk_widget_queue_draw (widget); } static void gtk_combo_box_button_state_changed (GtkWidget *widget, GtkStateType previous, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); if (GTK_WIDGET_REALIZED (widget)) { if (!combo_box->priv->tree_view && combo_box->priv->cell_view) { if ((GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE) != (GTK_WIDGET_STATE (combo_box->priv->cell_view) == GTK_STATE_INSENSITIVE)) gtk_widget_set_sensitive (combo_box->priv->cell_view, GTK_WIDGET_SENSITIVE (widget)); gtk_widget_set_state (combo_box->priv->cell_view, GTK_WIDGET_STATE (widget)); } } gtk_widget_queue_draw (widget); } static void gtk_combo_box_check_appearance (GtkComboBox *combo_box) { gboolean appears_as_list; /* if wrap_width > 0, then we are in grid-mode and forced to use * unix style */ if (combo_box->priv->wrap_width) appears_as_list = FALSE; else gtk_widget_style_get (GTK_WIDGET (combo_box), "appears-as-list", &appears_as_list, NULL); if (appears_as_list) { /* Destroy all the menu mode widgets, if they exist. */ if (GTK_IS_MENU (combo_box->priv->popup_widget)) gtk_combo_box_menu_destroy (combo_box); /* Create the list mode widgets, if they don't already exist. */ if (!GTK_IS_TREE_VIEW (combo_box->priv->tree_view)) gtk_combo_box_list_setup (combo_box); } else { /* Destroy all the list mode widgets, if they exist. */ if (GTK_IS_TREE_VIEW (combo_box->priv->tree_view)) gtk_combo_box_list_destroy (combo_box); /* Create the menu mode widgets, if they don't already exist. */ if (!GTK_IS_MENU (combo_box->priv->popup_widget)) gtk_combo_box_menu_setup (combo_box, TRUE); } } static void gtk_combo_box_style_set (GtkWidget *widget, GtkStyle *previous) { GtkComboBox *combo_box = GTK_COMBO_BOX (widget); gtk_combo_box_check_appearance (combo_box); if (combo_box->priv->tree_view && combo_box->priv->cell_view) gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view), &widget->style->base[GTK_WIDGET_STATE (widget)]); } static void gtk_combo_box_button_toggled (GtkWidget *widget, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) { if (!combo_box->priv->popup_in_progress) gtk_combo_box_popup (combo_box); } else gtk_combo_box_popdown (combo_box); } static void gtk_combo_box_add (GtkContainer *container, GtkWidget *widget) { GtkComboBox *combo_box = GTK_COMBO_BOX (container); if (combo_box->priv->cell_view && combo_box->priv->cell_view->parent) { gtk_widget_unparent (combo_box->priv->cell_view); GTK_BIN (container)->child = NULL; gtk_widget_queue_resize (GTK_WIDGET (container)); } gtk_widget_set_parent (widget, GTK_WIDGET (container)); GTK_BIN (container)->child = widget; if (combo_box->priv->cell_view && widget != combo_box->priv->cell_view) { /* since the cell_view was unparented, it's gone now */ combo_box->priv->cell_view = NULL; if (!combo_box->priv->tree_view && combo_box->priv->separator) { gtk_container_remove (GTK_CONTAINER (combo_box->priv->separator->parent), combo_box->priv->separator); combo_box->priv->separator = NULL; gtk_widget_queue_resize (GTK_WIDGET (container)); } else if (combo_box->priv->cell_view_frame) { gtk_widget_unparent (combo_box->priv->cell_view_frame); combo_box->priv->cell_view_frame = NULL; combo_box->priv->box = NULL; } } } static void gtk_combo_box_remove (GtkContainer *container, GtkWidget *widget) { GtkComboBox *combo_box = GTK_COMBO_BOX (container); GtkTreePath *path; gboolean appears_as_list; gtk_widget_unparent (widget); GTK_BIN (container)->child = NULL; if (combo_box->priv->destroying) return; gtk_widget_queue_resize (GTK_WIDGET (container)); if (!combo_box->priv->tree_view) appears_as_list = FALSE; else appears_as_list = TRUE; if (appears_as_list) gtk_combo_box_list_destroy (combo_box); else if (GTK_IS_MENU (combo_box->priv->popup_widget)) { gtk_combo_box_menu_destroy (combo_box); gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget)); combo_box->priv->popup_widget = NULL; } if (!combo_box->priv->cell_view) { combo_box->priv->cell_view = gtk_cell_view_new (); gtk_widget_set_parent (combo_box->priv->cell_view, GTK_WIDGET (container)); GTK_BIN (container)->child = combo_box->priv->cell_view; gtk_widget_show (combo_box->priv->cell_view); gtk_cell_view_set_model (GTK_CELL_VIEW (combo_box->priv->cell_view), combo_box->priv->model); gtk_combo_box_sync_cells (combo_box, GTK_CELL_LAYOUT (combo_box->priv->cell_view)); } if (appears_as_list) gtk_combo_box_list_setup (combo_box); else gtk_combo_box_menu_setup (combo_box, TRUE); if (gtk_tree_row_reference_valid (combo_box->priv->active_row)) { path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); gtk_combo_box_set_active_internal (combo_box, path); gtk_tree_path_free (path); } else gtk_combo_box_set_active_internal (combo_box, NULL); } static ComboCellInfo * gtk_combo_box_get_cell_info (GtkComboBox *combo_box, GtkCellRenderer *cell) { GSList *i; for (i = combo_box->priv->cells; i; i = i->next) { ComboCellInfo *info = (ComboCellInfo *)i->data; if (info && info->cell == cell) return info; } return NULL; } static void gtk_combo_box_menu_show (GtkWidget *menu, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); combo_box->priv->popup_in_progress = TRUE; gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), TRUE); combo_box->priv->popup_in_progress = FALSE; } static void gtk_combo_box_menu_hide (GtkWidget *menu, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), FALSE); } static void gtk_combo_box_detacher (GtkWidget *widget, GtkMenu *menu) { GtkComboBox *combo_box; g_return_if_fail (GTK_IS_COMBO_BOX (widget)); combo_box = GTK_COMBO_BOX (widget); g_return_if_fail (combo_box->priv->popup_widget == (GtkWidget*) menu); g_signal_handlers_disconnect_by_func (menu->toplevel, gtk_combo_box_menu_show, combo_box); g_signal_handlers_disconnect_by_func (menu->toplevel, gtk_combo_box_menu_hide, combo_box); combo_box->priv->popup_widget = NULL; } static void gtk_combo_box_set_popup_widget (GtkComboBox *combo_box, GtkWidget *popup) { if (GTK_IS_MENU (combo_box->priv->popup_widget)) { gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget)); combo_box->priv->popup_widget = NULL; } else if (combo_box->priv->popup_widget) { gtk_container_remove (GTK_CONTAINER (combo_box->priv->popup_frame), combo_box->priv->popup_widget); g_object_unref (combo_box->priv->popup_widget); combo_box->priv->popup_widget = NULL; } if (GTK_IS_MENU (popup)) { if (combo_box->priv->popup_window) { gtk_widget_destroy (combo_box->priv->popup_window); combo_box->priv->popup_window = NULL; combo_box->priv->popup_frame = NULL; } combo_box->priv->popup_widget = popup; /* * Note that we connect to show/hide on the toplevel, not the * menu itself, since the menu is not shown/hidden when it is * popped up while torn-off. */ g_signal_connect (GTK_MENU (popup)->toplevel, "show", G_CALLBACK (gtk_combo_box_menu_show), combo_box); g_signal_connect (GTK_MENU (popup)->toplevel, "hide", G_CALLBACK (gtk_combo_box_menu_hide), combo_box); gtk_menu_attach_to_widget (GTK_MENU (popup), GTK_WIDGET (combo_box), gtk_combo_box_detacher); } else { if (!combo_box->priv->popup_window) { GtkWidget *toplevel; combo_box->priv->popup_window = gtk_window_new (GTK_WINDOW_POPUP); toplevel = gtk_widget_get_toplevel (GTK_WIDGET (combo_box)); if (GTK_IS_WINDOW (toplevel)) gtk_window_group_add_window (_gtk_window_get_group (GTK_WINDOW (toplevel)), GTK_WINDOW (combo_box->priv->popup_window)); gtk_window_set_resizable (GTK_WINDOW (combo_box->priv->popup_window), FALSE); gtk_window_set_screen (GTK_WINDOW (combo_box->priv->popup_window), gtk_widget_get_screen (GTK_WIDGET (combo_box))); combo_box->priv->popup_frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (combo_box->priv->popup_frame), GTK_SHADOW_ETCHED_IN); gtk_container_add (GTK_CONTAINER (combo_box->priv->popup_window), combo_box->priv->popup_frame); gtk_widget_show (combo_box->priv->popup_frame); combo_box->priv->scrolled_window = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window), GTK_POLICY_NEVER, GTK_POLICY_NEVER); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window), GTK_SHADOW_NONE); gtk_widget_show (combo_box->priv->scrolled_window); gtk_container_add (GTK_CONTAINER (combo_box->priv->popup_frame), combo_box->priv->scrolled_window); } gtk_container_add (GTK_CONTAINER (combo_box->priv->scrolled_window), popup); gtk_widget_show (popup); g_object_ref (popup); combo_box->priv->popup_widget = popup; } } static void gtk_combo_box_menu_position_below (GtkMenu *menu, gint *x, gint *y, gint *push_in, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); gint sx, sy; GtkWidget *child; GtkRequisition req; GdkScreen *screen; gint monitor_num; GdkRectangle monitor; /* FIXME: is using the size request here broken? */ child = GTK_BIN (combo_box)->child; gdk_window_get_origin (child->window, &sx, &sy); if (GTK_WIDGET_NO_WINDOW (child)) { sx += child->allocation.x; sy += child->allocation.y; } gtk_widget_size_request (GTK_WIDGET (menu), &req); if (gtk_widget_get_direction (GTK_WIDGET (combo_box)) == GTK_TEXT_DIR_LTR) *x = sx; else *x = sx + child->allocation.width - req.width; *y = sy; screen = gtk_widget_get_screen (GTK_WIDGET (combo_box)); monitor_num = gdk_screen_get_monitor_at_window (screen, GTK_WIDGET (combo_box)->window); gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor); if (*x < monitor.x) *x = monitor.x; else if (*x + req.width > monitor.x + monitor.width) *x = monitor.x + monitor.width - req.width; if (monitor.y + monitor.height - *y - child->allocation.height >= req.height) *y += child->allocation.height; else if (*y - monitor.y >= req.height) *y -= req.height; else if (monitor.y + monitor.height - *y - child->allocation.height > *y - monitor.y) *y += child->allocation.height; else *y -= req.height; *push_in = FALSE; } static void gtk_combo_box_menu_position_over (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) { GtkComboBox *combo_box; GtkWidget *active; GtkWidget *child; GtkWidget *widget; GtkRequisition requisition; GList *children; gint screen_width; gint menu_xpos; gint menu_ypos; gint menu_width; g_return_if_fail (GTK_IS_COMBO_BOX (user_data)); combo_box = GTK_COMBO_BOX (user_data); widget = GTK_WIDGET (combo_box); gtk_widget_get_child_requisition (GTK_WIDGET (menu), &requisition); menu_width = requisition.width; active = gtk_menu_get_active (GTK_MENU (combo_box->priv->popup_widget)); gdk_window_get_origin (widget->window, &menu_xpos, &menu_ypos); menu_xpos += widget->allocation.x; menu_ypos += widget->allocation.y + widget->allocation.height / 2 - 2; if (active != NULL) { gtk_widget_get_child_requisition (active, &requisition); menu_ypos -= requisition.height / 2; } children = GTK_MENU_SHELL (combo_box->priv->popup_widget)->children; while (children) { child = children->data; if (active == child) break; if (GTK_WIDGET_VISIBLE (child)) { gtk_widget_get_child_requisition (child, &requisition); menu_ypos -= requisition.height; } children = children->next; } if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) menu_xpos = menu_xpos + widget->allocation.width - menu_width; /* Clamp the position on screen */ screen_width = gdk_screen_get_width (gtk_widget_get_screen (widget)); if (menu_xpos < 0) menu_xpos = 0; else if ((menu_xpos + menu_width) > screen_width) menu_xpos -= ((menu_xpos + menu_width) - screen_width); *x = menu_xpos; *y = menu_ypos; *push_in = TRUE; } static void gtk_combo_box_menu_position (GtkMenu *menu, gint *x, gint *y, gint *push_in, gpointer user_data) { GtkComboBox *combo_box; GtkWidget *menu_item; combo_box = GTK_COMBO_BOX (user_data); if (combo_box->priv->wrap_width > 0 || combo_box->priv->cell_view == NULL) gtk_combo_box_menu_position_below (menu, x, y, push_in, user_data); else { /* FIXME handle nested menus better */ menu_item = gtk_menu_get_active (GTK_MENU (combo_box->priv->popup_widget)); if (menu_item) gtk_menu_shell_select_item (GTK_MENU_SHELL (combo_box->priv->popup_widget), menu_item); gtk_combo_box_menu_position_over (menu, x, y, push_in, user_data); } } static void gtk_combo_box_list_position (GtkComboBox *combo_box, gint *x, gint *y, gint *width, gint *height) { GtkWidget *sample; GdkScreen *screen; gint monitor_num; GdkRectangle monitor; GtkRequisition popup_req; GtkPolicyType hpolicy, vpolicy; sample = GTK_BIN (combo_box)->child; gdk_window_get_origin (sample->window, x, y); if (GTK_WIDGET_NO_WINDOW (sample)) { *x += sample->allocation.x; *y += sample->allocation.y; } *width = sample->allocation.width; if (combo_box->priv->cell_view_frame && combo_box->priv->has_frame) { *x -= GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness; *width += 2 * (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness); } hpolicy = vpolicy = GTK_POLICY_NEVER; gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window), hpolicy, vpolicy); gtk_widget_size_request (combo_box->priv->popup_frame, &popup_req); if (popup_req.width > *width) { hpolicy = GTK_POLICY_ALWAYS; gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window), hpolicy, vpolicy); gtk_widget_size_request (combo_box->priv->popup_frame, &popup_req); } *height = popup_req.height; screen = gtk_widget_get_screen (GTK_WIDGET (combo_box)); monitor_num = gdk_screen_get_monitor_at_window (screen, GTK_WIDGET (combo_box)->window); gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor); if (*x < monitor.x) *x = monitor.x; else if (*x + *width > monitor.x + monitor.width) *x = monitor.x + monitor.width - *width; if (*y + sample->allocation.height + *height <= monitor.y + monitor.height) *y += sample->allocation.height; else if (*y - *height >= monitor.y) *y -= *height; else if (monitor.y + monitor.height - (*y + sample->allocation.height) > *y - monitor.y) { *y += sample->allocation.height; *height = monitor.y + monitor.height - *y; } else { *height = *y - monitor.y; *y = monitor.y; } if (popup_req.height > *height) { vpolicy = GTK_POLICY_ALWAYS; gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window), hpolicy, vpolicy); } } static gboolean cell_view_is_sensitive (GtkCellView *cell_view) { GList *cells, *list; gboolean sensitive; cells = gtk_cell_view_get_cell_renderers (cell_view); sensitive = FALSE; list = cells; while (list) { g_object_get (list->data, "sensitive", &sensitive, NULL); if (sensitive) break; list = list->next; } g_list_free (cells); return sensitive; } static gboolean tree_column_row_is_sensitive (GtkComboBox *combo_box, GtkTreeIter *iter) { GList *cells, *list; gboolean sensitive; if (!combo_box->priv->column) return TRUE; if (combo_box->priv->row_separator_func) { if ((*combo_box->priv->row_separator_func) (combo_box->priv->model, iter, combo_box->priv->row_separator_data)) return FALSE; } gtk_tree_view_column_cell_set_cell_data (combo_box->priv->column, combo_box->priv->model, iter, FALSE, FALSE); cells = gtk_tree_view_column_get_cell_renderers (combo_box->priv->column); sensitive = FALSE; list = cells; while (list) { g_object_get (list->data, "sensitive", &sensitive, NULL); if (sensitive) break; list = list->next; } g_list_free (cells); return sensitive; } static void update_menu_sensitivity (GtkComboBox *combo_box, GtkWidget *menu) { GList *children, *child; GtkWidget *item, *submenu, *separator; GtkWidget *cell_view; gboolean sensitive; if (!combo_box->priv->model) return; children = gtk_container_get_children (GTK_CONTAINER (menu)); for (child = children; child; child = child->next) { item = GTK_WIDGET (child->data); cell_view = GTK_BIN (item)->child; if (!GTK_IS_CELL_VIEW (cell_view)) continue; submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (item)); if (submenu != NULL) { gtk_widget_set_sensitive (item, TRUE); update_menu_sensitivity (combo_box, submenu); } else { sensitive = cell_view_is_sensitive (GTK_CELL_VIEW (cell_view)); if (menu != combo_box->priv->popup_widget && child == children) { separator = GTK_WIDGET (child->next->data); g_object_set (item, "visible", sensitive, NULL); g_object_set (separator, "visible", sensitive, NULL); } else gtk_widget_set_sensitive (item, sensitive); } } g_list_free (children); } static void gtk_combo_box_menu_popup (GtkComboBox *combo_box, guint button, guint32 activate_time) { GtkTreePath *path; gint active_item; GtkRequisition requisition; gint width; update_menu_sensitivity (combo_box, combo_box->priv->popup_widget); active_item = -1; if (gtk_tree_row_reference_valid (combo_box->priv->active_row)) { path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); active_item = gtk_tree_path_get_indices (path)[0]; gtk_tree_path_free (path); if (combo_box->priv->add_tearoffs) active_item++; } /* FIXME handle nested menus better */ gtk_menu_set_active (GTK_MENU (combo_box->priv->popup_widget), active_item); if (combo_box->priv->wrap_width == 0) { width = GTK_WIDGET (combo_box)->allocation.width; gtk_widget_set_size_request (combo_box->priv->popup_widget, -1, -1); gtk_widget_size_request (combo_box->priv->popup_widget, &requisition); gtk_widget_set_size_request (combo_box->priv->popup_widget, MAX (width, requisition.width), -1); } gtk_menu_popup (GTK_MENU (combo_box->priv->popup_widget), NULL, NULL, gtk_combo_box_menu_position, combo_box, button, activate_time); } /** * gtk_combo_box_popup: * @combo_box: a #GtkComboBox * * Pops up the menu or dropdown list of @combo_box. * * This function is mostly intended for use by accessibility technologies; * applications should have little use for it. * * Since: 2.4 **/ void gtk_combo_box_popup (GtkComboBox *combo_box) { gint x, y, width, height; GtkTreePath *path, *ppath; GtkWidget *toplevel; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); if (!GTK_WIDGET_REALIZED (combo_box)) return; if (GTK_WIDGET_MAPPED (combo_box->priv->popup_widget)) return; if (GTK_IS_MENU (combo_box->priv->popup_widget)) { gtk_combo_box_menu_popup (combo_box, 0, 0); return; } toplevel = gtk_widget_get_toplevel (GTK_WIDGET (combo_box)); if (GTK_IS_WINDOW (toplevel)) gtk_window_group_add_window (_gtk_window_get_group (GTK_WINDOW (toplevel)), GTK_WINDOW (combo_box->priv->popup_window)); gtk_widget_show_all (combo_box->priv->popup_frame); gtk_combo_box_list_position (combo_box, &x, &y, &width, &height); gtk_widget_set_size_request (combo_box->priv->popup_window, width, height); gtk_window_move (GTK_WINDOW (combo_box->priv->popup_window), x, y); if (gtk_tree_row_reference_valid (combo_box->priv->active_row)) { path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); ppath = gtk_tree_path_copy (path); if (gtk_tree_path_up (ppath)) gtk_tree_view_expand_to_path (GTK_TREE_VIEW (combo_box->priv->tree_view), ppath); gtk_tree_view_set_cursor (GTK_TREE_VIEW (combo_box->priv->tree_view), path, NULL, FALSE); gtk_tree_path_free (path); gtk_tree_path_free (ppath); } gtk_tree_view_set_hover_expand (GTK_TREE_VIEW (combo_box->priv->tree_view), TRUE); /* popup */ gtk_widget_show (combo_box->priv->popup_window); gtk_widget_grab_focus (combo_box->priv->popup_window); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), TRUE); if (!GTK_WIDGET_HAS_FOCUS (combo_box->priv->tree_view)) { gdk_keyboard_grab (combo_box->priv->popup_window->window, FALSE, GDK_CURRENT_TIME); gtk_widget_grab_focus (combo_box->priv->tree_view); } gtk_grab_add (combo_box->priv->popup_window); gdk_pointer_grab (combo_box->priv->popup_window->window, TRUE, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK, NULL, NULL, GDK_CURRENT_TIME); } /** * gtk_combo_box_popdown: * @combo_box: a #GtkComboBox * * Hides the menu or dropdown list of @combo_box. * * This function is mostly intended for use by accessibility technologies; * applications should have little use for it. * * Since: 2.4 **/ void gtk_combo_box_popdown (GtkComboBox *combo_box) { g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); if (GTK_IS_MENU (combo_box->priv->popup_widget)) { gtk_menu_popdown (GTK_MENU (combo_box->priv->popup_widget)); return; } if (!GTK_WIDGET_REALIZED (GTK_WIDGET (combo_box))) return; gtk_combo_box_list_remove_grabs (combo_box); gtk_widget_hide_all (combo_box->priv->popup_window); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), FALSE); } static gint gtk_combo_box_calc_requested_width (GtkComboBox *combo_box, GtkTreePath *path) { gint padding; GtkRequisition req; if (combo_box->priv->cell_view) gtk_widget_style_get (combo_box->priv->cell_view, "focus-line-width", &padding, NULL); else padding = 0; /* add some pixels for good measure */ padding += BONUS_PADDING; if (combo_box->priv->cell_view) gtk_cell_view_get_size_of_row (GTK_CELL_VIEW (combo_box->priv->cell_view), path, &req); else req.width = 0; return req.width + padding; } static void gtk_combo_box_remeasure (GtkComboBox *combo_box) { GtkTreeIter iter; GtkTreePath *path; if (!combo_box->priv->model || !gtk_tree_model_get_iter_first (combo_box->priv->model, &iter)) return; combo_box->priv->width = 0; path = gtk_tree_path_new_from_indices (0, -1); do { GtkRequisition req; if (combo_box->priv->cell_view) gtk_cell_view_get_size_of_row (GTK_CELL_VIEW (combo_box->priv->cell_view), path, &req); else req.width = 0; combo_box->priv->width = MAX (combo_box->priv->width, req.width); gtk_tree_path_next (path); } while (gtk_tree_model_iter_next (combo_box->priv->model, &iter)); gtk_tree_path_free (path); } static void gtk_combo_box_size_request (GtkWidget *widget, GtkRequisition *requisition) { gint width, height; gint focus_width, focus_pad; GtkRequisition bin_req; GtkComboBox *combo_box = GTK_COMBO_BOX (widget); gtk_combo_box_check_appearance (combo_box); /* common */ gtk_widget_size_request (GTK_BIN (widget)->child, &bin_req); gtk_combo_box_remeasure (combo_box); bin_req.width = MAX (bin_req.width, combo_box->priv->width); gtk_widget_style_get (GTK_WIDGET (widget), "focus-line-width", &focus_width, "focus-padding", &focus_pad, NULL); if (!combo_box->priv->tree_view) { /* menu mode */ if (combo_box->priv->cell_view) { GtkRequisition button_req, sep_req, arrow_req; gint border_width, xthickness, ythickness; gtk_widget_size_request (combo_box->priv->button, &button_req); border_width = GTK_CONTAINER (combo_box)->border_width; xthickness = combo_box->priv->button->style->xthickness; ythickness = combo_box->priv->button->style->ythickness; bin_req.width = MAX (bin_req.width, combo_box->priv->width); gtk_widget_size_request (combo_box->priv->separator, &sep_req); gtk_widget_size_request (combo_box->priv->arrow, &arrow_req); height = MAX (sep_req.height, arrow_req.height); height = MAX (height, bin_req.height); width = bin_req.width + sep_req.width + arrow_req.width; height += 2*(border_width + ythickness + focus_width + focus_pad); width += 2*(border_width + xthickness + focus_width + focus_pad); requisition->width = width; requisition->height = height; } else { GtkRequisition but_req; gtk_widget_size_request (combo_box->priv->button, &but_req); requisition->width = bin_req.width + but_req.width; requisition->height = MAX (bin_req.height, but_req.height); } } else { /* list mode */ GtkRequisition button_req, frame_req; /* sample + frame */ *requisition = bin_req; requisition->width += 2 * focus_width; if (combo_box->priv->cell_view_frame) { gtk_widget_size_request (combo_box->priv->cell_view_frame, &frame_req); if (combo_box->priv->has_frame) { requisition->width += 2 * (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness); requisition->height += 2 * (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness); } } /* the button */ gtk_widget_size_request (combo_box->priv->button, &button_req); requisition->height = MAX (requisition->height, button_req.height); requisition->width += button_req.width; } } static void gtk_combo_box_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkComboBox *combo_box = GTK_COMBO_BOX (widget); gint focus_width, focus_pad; GtkAllocation child; GtkRequisition req; gboolean is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; gtk_combo_box_check_appearance (combo_box); widget->allocation = *allocation; gtk_widget_style_get (GTK_WIDGET (widget), "focus-line-width", &focus_width, "focus-padding", &focus_pad, NULL); if (!combo_box->priv->tree_view) { if (combo_box->priv->cell_view) { gint border_width, xthickness, ythickness; gint width; /* menu mode */ gtk_widget_size_allocate (combo_box->priv->button, allocation); /* set some things ready */ border_width = GTK_CONTAINER (combo_box->priv->button)->border_width; xthickness = combo_box->priv->button->style->xthickness; ythickness = combo_box->priv->button->style->ythickness; child.x = allocation->x; child.y = allocation->y; width = allocation->width; child.height = allocation->height; if (!combo_box->priv->is_cell_renderer) { child.x += border_width + xthickness + focus_width + focus_pad; child.y += border_width + ythickness + focus_width + focus_pad; width -= 2 * (child.x - allocation->x); child.height -= 2 * (child.y - allocation->y); } /* handle the children */ gtk_widget_size_request (combo_box->priv->arrow, &req); child.width = req.width; if (!is_rtl) child.x += width - req.width; child.width = MAX (1, child.width); child.height = MAX (1, child.height); gtk_widget_size_allocate (combo_box->priv->arrow, &child); if (is_rtl) child.x += req.width; gtk_widget_size_request (combo_box->priv->separator, &req); child.width = req.width; if (!is_rtl) child.x -= req.width; child.width = MAX (1, child.width); child.height = MAX (1, child.height); gtk_widget_size_allocate (combo_box->priv->separator, &child); if (is_rtl) { child.x += req.width; child.width = allocation->x + allocation->width - (border_width + xthickness + focus_width + focus_pad) - child.x; } else { child.width = child.x; child.x = allocation->x + border_width + xthickness + focus_width + focus_pad; child.width -= child.x; } child.width = MAX (1, child.width); child.height = MAX (1, child.height); gtk_widget_size_allocate (GTK_BIN (widget)->child, &child); } else { gtk_widget_size_request (combo_box->priv->button, &req); if (is_rtl) child.x = allocation->x; else child.x = allocation->x + allocation->width - req.width; child.y = allocation->y; child.width = req.width; child.height = allocation->height; child.width = MAX (1, child.width); child.height = MAX (1, child.height); gtk_widget_size_allocate (combo_box->priv->button, &child); if (is_rtl) child.x = allocation->x + req.width; else child.x = allocation->x; child.y = allocation->y; child.width = allocation->width - req.width; child.width = MAX (1, child.width); child.height = MAX (1, child.height); gtk_widget_size_allocate (GTK_BIN (widget)->child, &child); } } else { /* list mode */ /* button */ gtk_widget_size_request (combo_box->priv->button, &req); if (is_rtl) child.x = allocation->x; else child.x = allocation->x + allocation->width - req.width; child.y = allocation->y; child.width = req.width; child.height = allocation->height; child.width = MAX (1, child.width); child.height = MAX (1, child.height); gtk_widget_size_allocate (combo_box->priv->button, &child); /* frame */ if (is_rtl) child.x = allocation->x + req.width; else child.x = allocation->x; child.y = allocation->y; child.width = allocation->width - req.width; child.height = allocation->height; if (combo_box->priv->cell_view_frame) { child.width = MAX (1, child.width); child.height = MAX (1, child.height); gtk_widget_size_allocate (combo_box->priv->cell_view_frame, &child); /* the sample */ if (combo_box->priv->has_frame) { child.x += GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness; child.y += GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness; child.width -= 2 * ( GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness); child.height -= 2 * ( GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness); } } child.width = MAX (1, child.width); child.height = MAX (1, child.height); gtk_widget_size_allocate (GTK_BIN (combo_box)->child, &child); } } static void gtk_combo_box_unset_model (GtkComboBox *combo_box) { if (combo_box->priv->model) { g_signal_handler_disconnect (combo_box->priv->model, combo_box->priv->inserted_id); g_signal_handler_disconnect (combo_box->priv->model, combo_box->priv->deleted_id); g_signal_handler_disconnect (combo_box->priv->model, combo_box->priv->reordered_id); g_signal_handler_disconnect (combo_box->priv->model, combo_box->priv->changed_id); } /* menu mode */ if (!combo_box->priv->tree_view) { if (combo_box->priv->popup_widget) gtk_container_foreach (GTK_CONTAINER (combo_box->priv->popup_widget), (GtkCallback)gtk_widget_destroy, NULL); } if (combo_box->priv->model) { g_object_unref (combo_box->priv->model); combo_box->priv->model = NULL; } if (combo_box->priv->active_row) { gtk_tree_row_reference_free (combo_box->priv->active_row); combo_box->priv->active_row = NULL; } if (combo_box->priv->cell_view) gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), NULL); } static void gtk_combo_box_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (container); if (include_internals) { if (combo_box->priv->button) (* callback) (combo_box->priv->button, callback_data); if (combo_box->priv->cell_view_frame) (* callback) (combo_box->priv->cell_view_frame, callback_data); } if (GTK_BIN (container)->child) (* callback) (GTK_BIN (container)->child, callback_data); } static gboolean gtk_combo_box_expose_event (GtkWidget *widget, GdkEventExpose *event) { GtkComboBox *combo_box = GTK_COMBO_BOX (widget); if (!combo_box->priv->tree_view) { gtk_container_propagate_expose (GTK_CONTAINER (widget), combo_box->priv->button, event); } else { gtk_container_propagate_expose (GTK_CONTAINER (widget), combo_box->priv->button, event); if (combo_box->priv->cell_view_frame) gtk_container_propagate_expose (GTK_CONTAINER (widget), combo_box->priv->cell_view_frame, event); } gtk_container_propagate_expose (GTK_CONTAINER (widget), GTK_BIN (widget)->child, event); return FALSE; } typedef struct { GtkComboBox *combo; GtkTreePath *path; GtkTreeIter iter; gboolean found; gboolean set; gboolean visible; } SearchData; static gboolean path_visible (GtkTreeView *view, GtkTreePath *path) { GtkRBTree *tree; GtkRBNode *node; /* Note that we rely on the fact that collapsed rows don't have nodes */ return _gtk_tree_view_find_node (view, path, &tree, &node); } static gboolean tree_next_func (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { SearchData *search_data = (SearchData *)data; if (search_data->found) { if (!tree_column_row_is_sensitive (search_data->combo, iter)) return FALSE; if (search_data->visible && !path_visible (GTK_TREE_VIEW (search_data->combo->priv->tree_view), path)) return FALSE; search_data->set = TRUE; search_data->iter = *iter; return TRUE; } if (gtk_tree_path_compare (path, search_data->path) == 0) search_data->found = TRUE; return FALSE; } static gboolean tree_next (GtkComboBox *combo, GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *next, gboolean visible) { SearchData search_data; search_data.combo = combo; search_data.path = gtk_tree_model_get_path (model, iter); search_data.visible = visible; search_data.found = FALSE; search_data.set = FALSE; gtk_tree_model_foreach (model, tree_next_func, &search_data); *next = search_data.iter; gtk_tree_path_free (search_data.path); return search_data.set; } static gboolean tree_prev_func (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { SearchData *search_data = (SearchData *)data; if (gtk_tree_path_compare (path, search_data->path) == 0) { search_data->found = TRUE; return TRUE; } if (!tree_column_row_is_sensitive (search_data->combo, iter)) return FALSE; if (search_data->visible && !path_visible (GTK_TREE_VIEW (search_data->combo->priv->tree_view), path)) return FALSE; search_data->set = TRUE; search_data->iter = *iter; return FALSE; } static gboolean tree_prev (GtkComboBox *combo, GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *prev, gboolean visible) { SearchData search_data; search_data.combo = combo; search_data.path = gtk_tree_model_get_path (model, iter); search_data.visible = visible; search_data.found = FALSE; search_data.set = FALSE; gtk_tree_model_foreach (model, tree_prev_func, &search_data); *prev = search_data.iter; gtk_tree_path_free (search_data.path); return search_data.set; } static gboolean tree_last_func (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { SearchData *search_data = (SearchData *)data; if (!tree_column_row_is_sensitive (search_data->combo, iter)) return FALSE; /* Note that we rely on the fact that collapsed rows don't have nodes */ if (search_data->visible && !path_visible (GTK_TREE_VIEW (search_data->combo->priv->tree_view), path)) return FALSE; search_data->set = TRUE; search_data->iter = *iter; return FALSE; } static gboolean tree_last (GtkComboBox *combo, GtkTreeModel *model, GtkTreeIter *last, gboolean visible) { SearchData search_data; search_data.combo = combo; search_data.visible = visible; search_data.set = FALSE; gtk_tree_model_foreach (model, tree_last_func, &search_data); *last = search_data.iter; return search_data.set; } static gboolean tree_first_func (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { SearchData *search_data = (SearchData *)data; if (!tree_column_row_is_sensitive (search_data->combo, iter)) return FALSE; if (search_data->visible && !path_visible (GTK_TREE_VIEW (search_data->combo->priv->tree_view), path)) return FALSE; search_data->set = TRUE; search_data->iter = *iter; return TRUE; } static gboolean tree_first (GtkComboBox *combo, GtkTreeModel *model, GtkTreeIter *first, gboolean visible) { SearchData search_data; search_data.combo = combo; search_data.visible = visible; search_data.set = FALSE; gtk_tree_model_foreach (model, tree_first_func, &search_data); *first = search_data.iter; return search_data.set; } static gboolean gtk_combo_box_scroll_event (GtkWidget *widget, GdkEventScroll *event) { GtkComboBox *combo_box = GTK_COMBO_BOX (widget); gboolean found; GtkTreeIter iter; GtkTreeIter new_iter; if (!gtk_combo_box_get_active_iter (combo_box, &iter)) return TRUE; if (event->direction == GDK_SCROLL_UP) found = tree_prev (combo_box, combo_box->priv->model, &iter, &new_iter, FALSE); else found = tree_next (combo_box, combo_box->priv->model, &iter, &new_iter, FALSE); if (found) gtk_combo_box_set_active_iter (combo_box, &new_iter); return TRUE; } /* * menu style */ static void gtk_combo_box_sync_cells (GtkComboBox *combo_box, GtkCellLayout *cell_layout) { GSList *k; for (k = combo_box->priv->cells; k; k = k->next) { GSList *j; ComboCellInfo *info = (ComboCellInfo *)k->data; if (info->pack == GTK_PACK_START) gtk_cell_layout_pack_start (cell_layout, info->cell, info->expand); else if (info->pack == GTK_PACK_END) gtk_cell_layout_pack_end (cell_layout, info->cell, info->expand); gtk_cell_layout_set_cell_data_func (cell_layout, info->cell, combo_cell_data_func, info, NULL); for (j = info->attributes; j; j = j->next->next) { gtk_cell_layout_add_attribute (cell_layout, info->cell, j->data, GPOINTER_TO_INT (j->next->data)); } } } static void gtk_combo_box_menu_setup (GtkComboBox *combo_box, gboolean add_children) { GtkWidget *menu; if (combo_box->priv->cell_view) { combo_box->priv->button = gtk_toggle_button_new (); g_signal_connect (combo_box->priv->button, "toggled", G_CALLBACK (gtk_combo_box_button_toggled), combo_box); g_signal_connect_after (combo_box->priv->button, "key_press_event", G_CALLBACK (gtk_combo_box_key_press), combo_box); gtk_widget_set_parent (combo_box->priv->button, GTK_BIN (combo_box)->child->parent); combo_box->priv->box = gtk_hbox_new (FALSE, 0); gtk_container_add (GTK_CONTAINER (combo_box->priv->button), combo_box->priv->box); combo_box->priv->separator = gtk_vseparator_new (); gtk_container_add (GTK_CONTAINER (combo_box->priv->box), combo_box->priv->separator); combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); gtk_container_add (GTK_CONTAINER (combo_box->priv->box), combo_box->priv->arrow); gtk_widget_show_all (combo_box->priv->button); } else { combo_box->priv->button = gtk_toggle_button_new (); g_signal_connect (combo_box->priv->button, "toggled", G_CALLBACK (gtk_combo_box_button_toggled), combo_box); g_signal_connect_after (combo_box, "key_press_event", G_CALLBACK (gtk_combo_box_key_press), combo_box); gtk_widget_set_parent (combo_box->priv->button, GTK_BIN (combo_box)->child->parent); combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); gtk_container_add (GTK_CONTAINER (combo_box->priv->button), combo_box->priv->arrow); gtk_widget_show_all (combo_box->priv->button); } g_signal_connect (combo_box->priv->button, "button_press_event", G_CALLBACK (gtk_combo_box_menu_button_press), combo_box); g_signal_connect (combo_box->priv->button, "state_changed", G_CALLBACK (gtk_combo_box_button_state_changed), combo_box); /* create our funky menu */ menu = gtk_menu_new (); g_signal_connect (menu, "key_press_event", G_CALLBACK (gtk_combo_box_menu_key_press), combo_box); gtk_combo_box_set_popup_widget (combo_box, menu); /* add items */ if (add_children) gtk_combo_box_menu_fill (combo_box); /* the column is needed in tree_column_row_is_sensitive() */ combo_box->priv->column = gtk_tree_view_column_new (); g_object_ref (combo_box->priv->column); gtk_object_sink (GTK_OBJECT (combo_box->priv->column)); gtk_combo_box_sync_cells (combo_box, GTK_CELL_LAYOUT (combo_box->priv->column)); } static void gtk_combo_box_menu_fill (GtkComboBox *combo_box) { GtkWidget *menu; if (!combo_box->priv->model) return; menu = combo_box->priv->popup_widget; if (combo_box->priv->add_tearoffs) { GtkWidget *tearoff = gtk_tearoff_menu_item_new (); gtk_widget_show (tearoff); if (combo_box->priv->wrap_width) gtk_menu_attach (GTK_MENU (menu), tearoff, 0, combo_box->priv->wrap_width, 0, 1); else gtk_menu_shell_append (GTK_MENU_SHELL (menu), tearoff); } gtk_combo_box_menu_fill_level (combo_box, menu, NULL); } static GtkWidget * gtk_cell_view_menu_item_new (GtkComboBox *combo_box, GtkTreeModel *model, GtkTreeIter *iter) { GtkWidget *cell_view; GtkWidget *item; GtkTreePath *path; GtkRequisition req; cell_view = gtk_cell_view_new (); gtk_cell_view_set_model (GTK_CELL_VIEW (cell_view), model); path = gtk_tree_model_get_path (model, iter); gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (cell_view), path); gtk_tree_path_free (path); gtk_combo_box_sync_cells (combo_box, GTK_CELL_LAYOUT (cell_view)); gtk_widget_size_request (cell_view, &req); gtk_widget_show (cell_view); item = gtk_menu_item_new (); gtk_container_add (GTK_CONTAINER (item), cell_view); return item; } static void gtk_combo_box_menu_fill_level (GtkComboBox *combo_box, GtkWidget *menu, GtkTreeIter *parent) { GtkTreeModel *model = combo_box->priv->model; GtkWidget *item, *submenu, *subitem, *separator; GtkTreeIter iter; gboolean is_separator; gint i, n_children; GtkWidget *last; GtkTreePath *path; n_children = gtk_tree_model_iter_n_children (model, parent); last = NULL; for (i = 0; i < n_children; i++) { gtk_tree_model_iter_nth_child (model, &iter, parent, i); if (combo_box->priv->row_separator_func) is_separator = (*combo_box->priv->row_separator_func) (combo_box->priv->model, &iter, combo_box->priv->row_separator_data); else is_separator = FALSE; if (is_separator) { item = gtk_separator_menu_item_new (); path = gtk_tree_model_get_path (model, &iter); g_object_set_data_full (G_OBJECT (item), "gtk-combo-box-item-path", gtk_tree_row_reference_new (model, path), (GDestroyNotify)gtk_tree_row_reference_free); gtk_tree_path_free (path); } else { item = gtk_cell_view_menu_item_new (combo_box, model, &iter); if (gtk_tree_model_iter_has_child (model, &iter)) { submenu = gtk_menu_new (); gtk_widget_show (submenu); gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), submenu); /* Ugly - since menus can only activate leafs, we have to * duplicate the item inside the submenu. */ subitem = gtk_cell_view_menu_item_new (combo_box, model, &iter); separator = gtk_separator_menu_item_new (); gtk_widget_show (subitem); gtk_widget_show (separator); g_signal_connect (subitem, "activate", G_CALLBACK (gtk_combo_box_menu_item_activate), combo_box); gtk_menu_shell_append (GTK_MENU_SHELL (submenu), subitem); gtk_menu_shell_append (GTK_MENU_SHELL (submenu), separator); gtk_combo_box_menu_fill_level (combo_box, submenu, &iter); } else g_signal_connect (item, "activate", G_CALLBACK (gtk_combo_box_menu_item_activate), combo_box); } gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); if (combo_box->priv->wrap_width && menu == combo_box->priv->popup_widget) gtk_combo_box_relayout_item (combo_box, item, &iter, last); gtk_widget_show (item); last = item; } } static void gtk_combo_box_menu_destroy (GtkComboBox *combo_box) { g_signal_handlers_disconnect_matched (combo_box->priv->button, G_SIGNAL_MATCH_DATA, 0, 0, NULL, gtk_combo_box_menu_button_press, NULL); g_signal_handlers_disconnect_matched (combo_box->priv->button, G_SIGNAL_MATCH_DATA, 0, 0, NULL, gtk_combo_box_button_state_changed, combo_box); /* unparent will remove our latest ref */ gtk_widget_unparent (combo_box->priv->button); combo_box->priv->box = NULL; combo_box->priv->button = NULL; combo_box->priv->arrow = NULL; combo_box->priv->separator = NULL; g_object_unref (combo_box->priv->column); combo_box->priv->column = NULL; /* changing the popup window will unref the menu and the children */ } /* * grid */ static gboolean menu_occupied (GtkMenu *menu, guint left_attach, guint right_attach, guint top_attach, guint bottom_attach) { GList *i; for (i = GTK_MENU_SHELL (menu)->children; i; i = i->next) { guint l, r, b, t; gtk_container_child_get (GTK_CONTAINER (menu), i->data, "left_attach", &l, "right_attach", &r, "bottom_attach", &b, "top_attach", &t, NULL); /* look if this item intersects with the given coordinates */ if (right_attach > l && left_attach < r && bottom_attach > t && top_attach < b) return TRUE; } return FALSE; } static void gtk_combo_box_relayout_item (GtkComboBox *combo_box, GtkWidget *item, GtkTreeIter *iter, GtkWidget *last) { gint current_col = 0, current_row = 0; gint rows = 1, cols = 1; GtkWidget *menu = combo_box->priv->popup_widget; if (!GTK_IS_MENU_SHELL (menu)) return; if (combo_box->priv->col_column == -1 && combo_box->priv->row_column == -1 && last) { gtk_container_child_get (GTK_CONTAINER (menu), last, "right_attach", ¤t_col, "top_attach", ¤t_row, NULL); if (current_col + cols > combo_box->priv->wrap_width) { current_col = 0; current_row++; } } else { if (combo_box->priv->col_column != -1) gtk_tree_model_get (combo_box->priv->model, iter, combo_box->priv->col_column, &cols, -1); if (combo_box->priv->row_column != -1) gtk_tree_model_get (combo_box->priv->model, iter, combo_box->priv->row_column, &rows, -1); while (1) { if (current_col + cols > combo_box->priv->wrap_width) { current_col = 0; current_row++; } if (!menu_occupied (GTK_MENU (menu), current_col, current_col + cols, current_row, current_row + rows)) break; current_col++; } } /* set attach props */ gtk_menu_attach (GTK_MENU (menu), item, current_col, current_col + cols, current_row, current_row + rows); } static void gtk_combo_box_relayout (GtkComboBox *combo_box) { GList *list, *j; GtkWidget *menu; menu = combo_box->priv->popup_widget; /* do nothing unless we are in menu style and realized */ if (combo_box->priv->tree_view || !GTK_IS_MENU_SHELL (menu)) return; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (j = g_list_last (list); j; j = j->prev) gtk_container_remove (GTK_CONTAINER (menu), j->data); gtk_combo_box_menu_fill (combo_box); g_list_free (list); } /* callbacks */ static gboolean gtk_combo_box_menu_button_press (GtkWidget *widget, GdkEventButton *event, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); if (GTK_IS_MENU (combo_box->priv->popup_widget) && event->type == GDK_BUTTON_PRESS && event->button == 1) { if (combo_box->priv->focus_on_click && !GTK_WIDGET_HAS_FOCUS (combo_box->priv->button)) gtk_widget_grab_focus (combo_box->priv->button); gtk_combo_box_menu_popup (combo_box, event->button, event->time); return TRUE; } return FALSE; } static void gtk_combo_box_menu_item_activate (GtkWidget *item, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); GtkWidget *cell_view; GtkTreePath *path; GtkTreeIter iter; cell_view = GTK_BIN (item)->child; g_return_if_fail (GTK_IS_CELL_VIEW (cell_view)); path = gtk_cell_view_get_displayed_row (GTK_CELL_VIEW (cell_view)); if (gtk_tree_model_get_iter (combo_box->priv->model, &iter, path)) gtk_combo_box_set_active_iter (combo_box, &iter); gtk_tree_path_free (path); combo_box->priv->editing_canceled = FALSE; } static void gtk_combo_box_model_row_inserted (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); gtk_tree_row_reference_inserted (G_OBJECT (user_data), path); if (combo_box->priv->tree_view) gtk_combo_box_list_popup_resize (combo_box); else gtk_combo_box_menu_row_inserted (model, path, iter, user_data); } static void gtk_combo_box_model_row_deleted (GtkTreeModel *model, GtkTreePath *path, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); gtk_tree_row_reference_deleted (G_OBJECT (combo_box), path); if (combo_box->priv->cell_view) { if (gtk_tree_row_reference_valid (combo_box->priv->active_row)) { GtkTreePath *path; path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), path); gtk_tree_path_free (path); } else gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), NULL); } if (combo_box->priv->tree_view) gtk_combo_box_list_popup_resize (combo_box); else gtk_combo_box_menu_row_deleted (model, path, user_data); } static void gtk_combo_box_model_rows_reordered (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gint *new_order, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); gtk_tree_row_reference_reordered (G_OBJECT (user_data), path, iter, new_order); if (!combo_box->priv->tree_view) gtk_combo_box_menu_rows_reordered (model, path, iter, new_order, user_data); } static void gtk_combo_box_model_row_changed (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); GtkTreePath *active_path; /* FIXME this belongs to GtkCellView */ if (gtk_tree_row_reference_valid (combo_box->priv->active_row)) { active_path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); if (gtk_tree_path_compare (path, active_path) == 0 && combo_box->priv->cell_view) gtk_widget_queue_resize (GTK_WIDGET (combo_box->priv->cell_view)); gtk_tree_path_free (active_path); } if (combo_box->priv->tree_view) gtk_combo_box_list_row_changed (model, path, iter, user_data); else gtk_combo_box_menu_row_changed (model, path, iter, user_data); } static gboolean list_popup_resize_idle (gpointer user_data) { GtkComboBox *combo_box; gint x, y, width, height; GDK_THREADS_ENTER (); combo_box = GTK_COMBO_BOX (user_data); if (combo_box->priv->tree_view && GTK_WIDGET_MAPPED (combo_box->priv->popup_window)) { gtk_combo_box_list_position (combo_box, &x, &y, &width, &height); gtk_widget_set_size_request (combo_box->priv->popup_window, width, height); gtk_window_move (GTK_WINDOW (combo_box->priv->popup_window), x, y); } combo_box->priv->resize_idle_id = 0; GDK_THREADS_LEAVE (); return FALSE; } static void gtk_combo_box_list_popup_resize (GtkComboBox *combo_box) { if (!combo_box->priv->resize_idle_id) combo_box->priv->resize_idle_id = g_idle_add (list_popup_resize_idle, combo_box); } static void gtk_combo_box_model_row_expanded (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); gtk_combo_box_list_popup_resize (combo_box); } static GtkWidget * find_menu_by_path (GtkWidget *menu, GtkTreePath *path, gboolean skip_first) { GList *i, *list; GtkWidget *item; GtkWidget *submenu; GtkTreeRowReference *mref; GtkTreePath *mpath; gboolean skip; list = gtk_container_get_children (GTK_CONTAINER (menu)); skip = skip_first; item = NULL; for (i = list; i; i = i->next) { if (GTK_IS_SEPARATOR_MENU_ITEM (i->data)) { mref = g_object_get_data (G_OBJECT (i->data), "gtk-combo-box-item-path"); if (!mref) continue; else if (!gtk_tree_row_reference_valid (mref)) mpath = NULL; else mpath = gtk_tree_row_reference_get_path (mref); } else if (GTK_IS_CELL_VIEW (GTK_BIN (i->data)->child)) { if (skip) { skip = FALSE; continue; } mpath = gtk_cell_view_get_displayed_row (GTK_CELL_VIEW (GTK_BIN (i->data)->child)); } else continue; /* this case is necessary, since the row reference of * the cell view may already be updated after a deletion */ if (!mpath) { item = i->data; break; } if (gtk_tree_path_compare (mpath, path) == 0) { gtk_tree_path_free (mpath); item = i->data; break; } if (gtk_tree_path_is_ancestor (mpath, path)) { submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) { gtk_tree_path_free (mpath); item = find_menu_by_path (submenu, path, TRUE); break; } } gtk_tree_path_free (mpath); } g_list_free (list); return item; } #if 0 static void dump_menu_tree (GtkWidget *menu, gint level) { GList *i, *list; GtkWidget *submenu; GtkTreePath *path; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (i = list; i; i = i->next) { if (GTK_IS_CELL_VIEW (GTK_BIN (i->data)->child)) { path = gtk_cell_view_get_displayed_row (GTK_CELL_VIEW (GTK_BIN (i->data)->child)); g_print ("%*s%s\n", 2 * level, " ", gtk_tree_path_to_string (path)); gtk_tree_path_free (path); submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) dump_menu_tree (submenu, level + 1); } } g_list_free (list); } #endif static void gtk_combo_box_menu_row_inserted (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data) { GtkWidget *parent; GtkWidget *item, *menu, *separator; GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); GtkTreePath *ppath; GtkTreeIter piter; gint depth, pos; gboolean is_separator; if (!combo_box->priv->popup_widget) return; depth = gtk_tree_path_get_depth (path); pos = gtk_tree_path_get_indices (path)[depth - 1]; if (depth > 1) { ppath = gtk_tree_path_copy (path); gtk_tree_path_up (ppath); parent = find_menu_by_path (combo_box->priv->popup_widget, ppath, FALSE); gtk_tree_path_free (ppath); menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (parent)); if (!menu) { menu = gtk_menu_new (); gtk_widget_show (menu); gtk_menu_item_set_submenu (GTK_MENU_ITEM (parent), menu); /* Ugly - since menus can only activate leaves, we have to * duplicate the item inside the submenu. */ gtk_tree_model_iter_parent (model, &piter, iter); item = gtk_cell_view_menu_item_new (combo_box, model, &piter); separator = gtk_separator_menu_item_new (); g_signal_connect (item, "activate", G_CALLBACK (gtk_combo_box_menu_item_activate), combo_box); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_menu_shell_append (GTK_MENU_SHELL (menu), separator); if (cell_view_is_sensitive (GTK_CELL_VIEW (GTK_BIN (item)->child))) { gtk_widget_show (item); gtk_widget_show (separator); } } pos += 2; } else { menu = combo_box->priv->popup_widget; if (combo_box->priv->add_tearoffs) pos += 1; } if (combo_box->priv->row_separator_func) is_separator = (*combo_box->priv->row_separator_func) (model, iter, combo_box->priv->row_separator_data); else is_separator = FALSE; if (is_separator) { item = gtk_separator_menu_item_new (); g_object_set_data_full (G_OBJECT (item), "gtk-combo-box-item-path", gtk_tree_row_reference_new (model, path), (GDestroyNotify)gtk_tree_row_reference_free); } else { item = gtk_cell_view_menu_item_new (combo_box, model, iter); g_signal_connect (item, "activate", G_CALLBACK (gtk_combo_box_menu_item_activate), combo_box); } gtk_widget_show (item); gtk_menu_shell_insert (GTK_MENU_SHELL (menu), item, pos); } static void gtk_combo_box_menu_row_deleted (GtkTreeModel *model, GtkTreePath *path, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); GtkWidget *menu; GtkWidget *item; if (!combo_box->priv->popup_widget) return; item = find_menu_by_path (combo_box->priv->popup_widget, path, FALSE); menu = gtk_widget_get_parent (item); gtk_container_remove (GTK_CONTAINER (menu), item); } static void gtk_combo_box_menu_rows_reordered (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gint *new_order, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); gtk_combo_box_relayout (combo_box); } static void gtk_combo_box_menu_row_changed (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data) { GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); GtkWidget *item; gint width; gboolean is_separator; if (!combo_box->priv->popup_widget) return; item = find_menu_by_path (combo_box->priv->popup_widget, path, FALSE); if (combo_box->priv->row_separator_func) is_separator = (*combo_box->priv->row_separator_func) (model, iter, combo_box->priv->row_separator_data); else is_separator = FALSE; if (is_separator != GTK_IS_SEPARATOR_MENU_ITEM (item)) { gtk_combo_box_menu_row_deleted (model, path, combo_box); gtk_combo_box_menu_row_inserted (model, path, iter, combo_box); } if (combo_box->priv->wrap_width && item->parent == combo_box->priv->popup_widget) { GtkWidget *pitem = NULL; GtkTreePath *prev; prev = gtk_tree_path_copy (path); if (gtk_tree_path_prev (prev)) pitem = find_menu_by_path (combo_box->priv->popup_widget, prev, FALSE); gtk_tree_path_free (prev); /* unattach item so gtk_combo_box_relayout_item() won't spuriously move it */ gtk_container_child_set (GTK_CONTAINER (combo_box->priv->popup_widget), item, "left_attach", -1, "right_attach", -1, "top_attach", -1, "bottom_attach", -1, NULL); gtk_combo_box_relayout_item (combo_box, item, iter, pitem); } width = gtk_combo_box_calc_requested_width (combo_box, path); if (width > combo_box->priv->width) { if (combo_box->priv->cell_view) { gtk_widget_set_size_request (combo_box->priv->cell_view, width, -1); gtk_widget_queue_resize (combo_box->priv->cell_view); } combo_box->priv->width = width; } } /* * list style */ static void gtk_combo_box_list_setup (GtkComboBox *combo_box) { GtkTreeSelection *sel; combo_box->priv->button = gtk_toggle_button_new (); gtk_widget_set_parent (combo_box->priv->button, GTK_BIN (combo_box)->child->parent); g_signal_connect (combo_box->priv->button, "button_press_event", G_CALLBACK (gtk_combo_box_list_button_pressed), combo_box); g_signal_connect (combo_box->priv->button, "toggled", G_CALLBACK (gtk_combo_box_button_toggled), combo_box); g_signal_connect_after (combo_box, "key_press_event", G_CALLBACK (gtk_combo_box_key_press), combo_box); combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); gtk_container_add (GTK_CONTAINER (combo_box->priv->button), combo_box->priv->arrow); combo_box->priv->separator = NULL; gtk_widget_show_all (combo_box->priv->button); if (combo_box->priv->cell_view) { gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view), >K_WIDGET (combo_box)->style->base[GTK_WIDGET_STATE (combo_box)]); combo_box->priv->box = gtk_event_box_new (); gtk_event_box_set_visible_window (GTK_EVENT_BOX (combo_box->priv->box), FALSE); if (combo_box->priv->has_frame) { combo_box->priv->cell_view_frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (combo_box->priv->cell_view_frame), GTK_SHADOW_IN); } else { combo_box->priv->cell_view_frame = gtk_event_box_new (); gtk_event_box_set_visible_window (GTK_EVENT_BOX (combo_box->priv->cell_view_frame), FALSE); } gtk_widget_set_parent (combo_box->priv->cell_view_frame, GTK_BIN (combo_box)->child->parent); gtk_container_add (GTK_CONTAINER (combo_box->priv->cell_view_frame), combo_box->priv->box); gtk_widget_show_all (combo_box->priv->cell_view_frame); g_signal_connect (combo_box->priv->box, "button_press_event", G_CALLBACK (gtk_combo_box_list_button_pressed), combo_box); } combo_box->priv->tree_view = gtk_tree_view_new (); sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view)); gtk_tree_selection_set_mode (sel, GTK_SELECTION_BROWSE); gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (combo_box->priv->tree_view), FALSE); gtk_tree_view_set_hover_selection (GTK_TREE_VIEW (combo_box->priv->tree_view), TRUE); if (combo_box->priv->row_separator_func) gtk_tree_view_set_row_separator_func (GTK_TREE_VIEW (combo_box->priv->tree_view), combo_box->priv->row_separator_func, combo_box->priv->row_separator_data, NULL); if (combo_box->priv->model) gtk_tree_view_set_model (GTK_TREE_VIEW (combo_box->priv->tree_view), combo_box->priv->model); combo_box->priv->column = gtk_tree_view_column_new (); gtk_tree_view_append_column (GTK_TREE_VIEW (combo_box->priv->tree_view), combo_box->priv->column); /* sync up */ gtk_combo_box_sync_cells (combo_box, GTK_CELL_LAYOUT (combo_box->priv->column)); if (gtk_tree_row_reference_valid (combo_box->priv->active_row)) { GtkTreePath *path; path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); gtk_tree_view_set_cursor (GTK_TREE_VIEW (combo_box->priv->tree_view), path, NULL, FALSE); gtk_tree_path_free (path); } /* set sample/popup widgets */ gtk_combo_box_set_popup_widget (combo_box, combo_box->priv->tree_view); g_signal_connect (combo_box->priv->tree_view, "key_press_event", G_CALLBACK (gtk_combo_box_list_key_press), combo_box); g_signal_connect (combo_box->priv->tree_view, "enter_notify_event", G_CALLBACK (gtk_combo_box_list_enter_notify), combo_box); g_signal_connect (combo_box->priv->tree_view, "row_expanded", G_CALLBACK (gtk_combo_box_model_row_expanded), combo_box); g_signal_connect (combo_box->priv->tree_view, "row_collapsed", G_CALLBACK (gtk_combo_box_model_row_expanded), combo_box); g_signal_connect (combo_box->priv->popup_window, "button_press_event", G_CALLBACK (gtk_combo_box_list_button_pressed), combo_box); g_signal_connect (combo_box->priv->popup_window, "button_release_event", G_CALLBACK (gtk_combo_box_list_button_released), combo_box); gtk_widget_show (combo_box->priv->tree_view); } static void gtk_combo_box_list_destroy (GtkComboBox *combo_box) { /* disconnect signals */ g_signal_handlers_disconnect_matched (combo_box->priv->tree_view, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, combo_box); g_signal_handlers_disconnect_matched (combo_box->priv->button, G_SIGNAL_MATCH_DATA, 0, 0, NULL, gtk_combo_box_list_button_pressed, NULL); g_signal_handlers_disconnect_matched (combo_box->priv->popup_window, G_SIGNAL_MATCH_DATA, 0, 0, NULL, gtk_combo_box_list_button_pressed, NULL); g_signal_handlers_disconnect_matched (combo_box->priv->popup_window, G_SIGNAL_MATCH_DATA, 0, 0, NULL, gtk_combo_box_list_button_released, NULL); if (combo_box->priv->box) g_signal_handlers_disconnect_matched (combo_box->priv->box, G_SIGNAL_MATCH_DATA, 0, 0, NULL, gtk_combo_box_list_button_pressed, NULL); /* destroy things (unparent will kill the latest ref from us) * last unref on button will destroy the arrow */ gtk_widget_unparent (combo_box->priv->button); combo_box->priv->button = NULL; combo_box->priv->arrow = NULL; if (combo_box->priv->cell_view) { g_object_set (combo_box->priv->cell_view, "background_set", FALSE, NULL); } if (combo_box->priv->cell_view_frame) { gtk_widget_unparent (combo_box->priv->cell_view_frame); combo_box->priv->cell_view_frame = NULL; combo_box->priv->box = NULL; } if (combo_box->priv->scroll_timer) { g_source_remove (combo_box->priv->scroll_timer); combo_box->priv->scroll_timer = 0; } if (combo_box->priv->resize_idle_id) { g_source_remove (combo_box->priv->resize_idle_id); combo_box->priv->resize_idle_id = 0; } gtk_widget_destroy (combo_box->priv->tree_view); combo_box->priv->tree_view = NULL; combo_box->priv->popup_widget = NULL; } /* callbacks */ static void gtk_combo_box_list_remove_grabs (GtkComboBox *combo_box) { if (combo_box->priv->popup_window && GTK_WIDGET_HAS_GRAB (combo_box->priv->popup_window)) { gtk_grab_remove (combo_box->priv->popup_window); gdk_keyboard_ungrab (GDK_CURRENT_TIME); gdk_pointer_ungrab (GDK_CURRENT_TIME); } } static gboolean gtk_combo_box_list_button_pressed (GtkWidget *widget, GdkEventButton *event, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); GtkWidget *ewidget = gtk_get_event_widget ((GdkEvent *)event); if (ewidget == combo_box->priv->popup_window) return TRUE; if ((ewidget != combo_box->priv->button && ewidget != combo_box->priv->box) || gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (combo_box->priv->button))) return FALSE; if (combo_box->priv->focus_on_click && !GTK_WIDGET_HAS_FOCUS (combo_box->priv->button)) gtk_widget_grab_focus (combo_box->priv->button); gtk_combo_box_popup (combo_box); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), TRUE); combo_box->priv->auto_scroll = FALSE; if (combo_box->priv->scroll_timer == 0) combo_box->priv->scroll_timer = g_timeout_add (SCROLL_TIME, (GSourceFunc) gtk_combo_box_list_scroll_timeout, combo_box); combo_box->priv->popup_in_progress = TRUE; return TRUE; } static gboolean gtk_combo_box_list_button_released (GtkWidget *widget, GdkEventButton *event, gpointer data) { gboolean ret; GtkTreePath *path = NULL; GtkTreeIter iter; GtkComboBox *combo_box = GTK_COMBO_BOX (data); gboolean popup_in_progress = FALSE; GtkWidget *ewidget = gtk_get_event_widget ((GdkEvent *)event); if (combo_box->priv->popup_in_progress) { popup_in_progress = TRUE; combo_box->priv->popup_in_progress = FALSE; } gtk_tree_view_set_hover_expand (GTK_TREE_VIEW (combo_box->priv->tree_view), FALSE); if (combo_box->priv->scroll_timer) { g_source_remove (combo_box->priv->scroll_timer); combo_box->priv->scroll_timer = 0; } if (ewidget != combo_box->priv->tree_view) { if ((ewidget == combo_box->priv->button || ewidget == combo_box->priv->box ) && !popup_in_progress && gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (combo_box->priv->button))) { gtk_combo_box_popdown (combo_box); return TRUE; } /* released outside treeview */ if (ewidget != combo_box->priv->button && ewidget != combo_box->priv->box) { gtk_combo_box_popdown (combo_box); return TRUE; } return FALSE; } /* select something cool */ ret = gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (combo_box->priv->tree_view), event->x, event->y, &path, NULL, NULL, NULL); if (!ret) return TRUE; /* clicked outside window? */ gtk_tree_model_get_iter (combo_box->priv->model, &iter, path); gtk_tree_path_free (path); if (tree_column_row_is_sensitive (combo_box, &iter)) gtk_combo_box_set_active_iter (combo_box, &iter); gtk_combo_box_popdown (combo_box); return TRUE; } static gboolean gtk_combo_box_key_press (GtkWidget *widget, GdkEventKey *event, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); guint state = event->state & gtk_accelerator_get_default_mod_mask (); gboolean found; GtkTreeIter iter; GtkTreeIter new_iter; if (combo_box->priv->model == NULL) return FALSE; if ((event->keyval == GDK_Down || event->keyval == GDK_KP_Down) && state == GDK_MOD1_MASK) { gtk_combo_box_popup (combo_box); return TRUE; } switch (event->keyval) { case GDK_Down: case GDK_KP_Down: if (gtk_combo_box_get_active_iter (combo_box, &iter)) { found = tree_next (combo_box, combo_box->priv->model, &iter, &new_iter, FALSE); break; } /* else fall through */ case GDK_Page_Up: case GDK_KP_Page_Up: case GDK_Home: case GDK_KP_Home: found = tree_first (combo_box, combo_box->priv->model, &new_iter, FALSE); break; case GDK_Up: case GDK_KP_Up: if (gtk_combo_box_get_active_iter (combo_box, &iter)) { found = tree_prev (combo_box, combo_box->priv->model, &iter, &new_iter, FALSE); break; } /* else fall through */ case GDK_Page_Down: case GDK_KP_Page_Down: case GDK_End: case GDK_KP_End: found = tree_last (combo_box, combo_box->priv->model, &new_iter, FALSE); break; default: return FALSE; } if (found) gtk_combo_box_set_active_iter (combo_box, &new_iter); return TRUE; } static gboolean gtk_combo_box_menu_key_press (GtkWidget *widget, GdkEventKey *event, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); guint state = event->state & gtk_accelerator_get_default_mod_mask (); if ((event->keyval == GDK_Up || event->keyval == GDK_KP_Up) && state == GDK_MOD1_MASK) { gtk_combo_box_popdown (combo_box); return TRUE; } return FALSE; } static gboolean gtk_combo_box_list_key_press (GtkWidget *widget, GdkEventKey *event, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); GtkTreeIter iter; guint state = event->state & gtk_accelerator_get_default_mod_mask (); if (event->keyval == GDK_Escape || ((event->keyval == GDK_Up || event->keyval == GDK_KP_Up) && state == GDK_MOD1_MASK)) { /* reset active item -- this is incredibly lame and ugly */ if (gtk_combo_box_get_active_iter (combo_box, &iter)) gtk_combo_box_set_active_iter (combo_box, &iter); gtk_combo_box_popdown (combo_box); return TRUE; } if (event->keyval == GDK_Return || event->keyval == GDK_KP_Enter || event->keyval == GDK_space || event->keyval == GDK_KP_Space) { GtkTreeIter iter; GtkTreeModel *model = NULL; if (combo_box->priv->model) { GtkTreeSelection *sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view)); if (gtk_tree_selection_get_selected (sel, &model, &iter)) gtk_combo_box_set_active_iter (combo_box, &iter); } gtk_combo_box_popdown (combo_box); return TRUE; } return FALSE; } static void gtk_combo_box_list_auto_scroll (GtkComboBox *combo_box, gint x, gint y) { GtkWidget *tree_view = combo_box->priv->tree_view; GtkAdjustment *adj; gdouble value; adj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window)); if (adj && adj->upper - adj->lower > adj->page_size) { if (x <= tree_view->allocation.x && adj->lower < adj->value) { value = adj->value - (tree_view->allocation.x - x + 1); gtk_adjustment_set_value (adj, CLAMP (value, adj->lower, adj->upper - adj->page_size)); } else if (x >= tree_view->allocation.x + tree_view->allocation.width && adj->upper - adj->page_size > adj->value) { value = adj->value + (x - tree_view->allocation.x - tree_view->allocation.width + 1); gtk_adjustment_set_value (adj, CLAMP (value, 0.0, adj->upper - adj->page_size)); } } adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window)); if (adj && adj->upper - adj->lower > adj->page_size) { if (y <= tree_view->allocation.y && adj->lower < adj->value) { value = adj->value - (tree_view->allocation.y - y + 1); gtk_adjustment_set_value (adj, CLAMP (value, adj->lower, adj->upper - adj->page_size)); } else if (y >= tree_view->allocation.height && adj->upper - adj->page_size > adj->value) { value = adj->value + (y - tree_view->allocation.height + 1); gtk_adjustment_set_value (adj, CLAMP (value, 0.0, adj->upper - adj->page_size)); } } } static gboolean gtk_combo_box_list_scroll_timeout (GtkComboBox *combo_box) { gint x, y; GDK_THREADS_ENTER (); if (combo_box->priv->auto_scroll) { gdk_window_get_pointer (combo_box->priv->tree_view->window, &x, &y, NULL); gtk_combo_box_list_auto_scroll (combo_box, x, y); } GDK_THREADS_LEAVE (); return TRUE; } static gboolean gtk_combo_box_list_enter_notify (GtkWidget *widget, GdkEventCrossing *event, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); combo_box->priv->auto_scroll = TRUE; return TRUE; } static void gtk_combo_box_list_row_changed (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); gint width; width = gtk_combo_box_calc_requested_width (combo_box, path); if (width > combo_box->priv->width) { if (combo_box->priv->cell_view) { gtk_widget_set_size_request (combo_box->priv->cell_view, width, -1); gtk_widget_queue_resize (combo_box->priv->cell_view); } combo_box->priv->width = width; } } /* * GtkCellLayout implementation */ static void pack_start_recurse (GtkWidget *menu, GtkCellRenderer *cell, gboolean expand) { GList *i, *list; GtkWidget *submenu; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (i = list; i; i = i->next) { if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child)) gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child), cell, expand); submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) pack_start_recurse (submenu, cell, expand); } g_list_free (list); } static void gtk_combo_box_cell_layout_pack_start (GtkCellLayout *layout, GtkCellRenderer *cell, gboolean expand) { ComboCellInfo *info; GtkComboBox *combo_box; g_return_if_fail (GTK_IS_COMBO_BOX (layout)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); combo_box = GTK_COMBO_BOX (layout); g_object_ref (cell); gtk_object_sink (GTK_OBJECT (cell)); info = g_new0 (ComboCellInfo, 1); info->cell = cell; info->expand = expand; info->pack = GTK_PACK_START; combo_box->priv->cells = g_slist_append (combo_box->priv->cells, info); if (combo_box->priv->cell_view) gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell, expand); if (combo_box->priv->column) gtk_tree_view_column_pack_start (combo_box->priv->column, cell, expand); if (GTK_IS_MENU (combo_box->priv->popup_widget)) pack_start_recurse (combo_box->priv->popup_widget, cell, expand); } static void pack_end_recurse (GtkWidget *menu, GtkCellRenderer *cell, gboolean expand) { GList *i, *list; GtkWidget *submenu; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (i = list; i; i = i->next) { if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child)) gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child), cell, expand); submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) pack_end_recurse (submenu, cell, expand); } g_list_free (list); } static void gtk_combo_box_cell_layout_pack_end (GtkCellLayout *layout, GtkCellRenderer *cell, gboolean expand) { ComboCellInfo *info; GtkComboBox *combo_box; g_return_if_fail (GTK_IS_COMBO_BOX (layout)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); combo_box = GTK_COMBO_BOX (layout); g_object_ref (cell); gtk_object_sink (GTK_OBJECT (cell)); info = g_new0 (ComboCellInfo, 1); info->cell = cell; info->expand = expand; info->pack = GTK_PACK_END; combo_box->priv->cells = g_slist_append (combo_box->priv->cells, info); if (combo_box->priv->cell_view) gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell, expand); if (combo_box->priv->column) gtk_tree_view_column_pack_end (combo_box->priv->column, cell, expand); if (GTK_IS_MENU (combo_box->priv->popup_widget)) pack_end_recurse (combo_box->priv->popup_widget, cell, expand); } static void clear_recurse (GtkWidget *menu) { GList *i, *list; GtkWidget *submenu; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (i = list; i; i = i->next) { if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child)) gtk_cell_layout_clear (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child)); submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) clear_recurse (submenu); } g_list_free (list); } static void gtk_combo_box_cell_layout_clear (GtkCellLayout *layout) { GtkComboBox *combo_box; GSList *i; g_return_if_fail (GTK_IS_COMBO_BOX (layout)); combo_box = GTK_COMBO_BOX (layout); if (combo_box->priv->cell_view) gtk_cell_layout_clear (GTK_CELL_LAYOUT (combo_box->priv->cell_view)); if (combo_box->priv->column) gtk_tree_view_column_clear (combo_box->priv->column); for (i = combo_box->priv->cells; i; i = i->next) { ComboCellInfo *info = (ComboCellInfo *)i->data; gtk_combo_box_cell_layout_clear_attributes (layout, info->cell); g_object_unref (info->cell); g_free (info); i->data = NULL; } g_slist_free (combo_box->priv->cells); combo_box->priv->cells = NULL; if (GTK_IS_MENU (combo_box->priv->popup_widget)) clear_recurse (combo_box->priv->popup_widget); } static void add_attribute_recurse (GtkWidget *menu, GtkCellRenderer *cell, const gchar *attribute, gint column) { GList *i, *list; GtkWidget *submenu; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (i = list; i; i = i->next) { if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child)) gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child), cell, attribute, column); submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) add_attribute_recurse (submenu, cell, attribute, column); } g_list_free (list); } static void gtk_combo_box_cell_layout_add_attribute (GtkCellLayout *layout, GtkCellRenderer *cell, const gchar *attribute, gint column) { ComboCellInfo *info; GtkComboBox *combo_box; g_return_if_fail (GTK_IS_COMBO_BOX (layout)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); combo_box = GTK_COMBO_BOX (layout); info = gtk_combo_box_get_cell_info (combo_box, cell); info->attributes = g_slist_prepend (info->attributes, GINT_TO_POINTER (column)); info->attributes = g_slist_prepend (info->attributes, g_strdup (attribute)); if (combo_box->priv->cell_view) gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell, attribute, column); if (combo_box->priv->column) gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->column), cell, attribute, column); if (GTK_IS_MENU (combo_box->priv->popup_widget)) add_attribute_recurse (combo_box->priv->popup_widget, cell, attribute, column); gtk_widget_queue_resize (GTK_WIDGET (combo_box)); } static void combo_cell_data_func (GtkCellLayout *cell_layout, GtkCellRenderer *cell, GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data) { ComboCellInfo *info = (ComboCellInfo *)data; GtkWidget *parent = NULL; if (!info->func) return; (*info->func) (cell_layout, cell, tree_model, iter, info->func_data); if (GTK_IS_WIDGET (cell_layout)) parent = gtk_widget_get_parent (GTK_WIDGET (cell_layout)); if (GTK_IS_MENU_ITEM (parent) && gtk_menu_item_get_submenu (GTK_MENU_ITEM (parent))) g_object_set (cell, "sensitive", TRUE, NULL); } static void set_cell_data_func_recurse (GtkWidget *menu, GtkCellRenderer *cell, ComboCellInfo *info) { GList *i, *list; GtkWidget *submenu; GtkWidget *cell_view; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (i = list; i; i = i->next) { cell_view = GTK_BIN (i->data)->child; if (GTK_IS_CELL_LAYOUT (cell_view)) { /* Override sensitivity for inner nodes; we don't * want menuitems with submenus to appear insensitive */ gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (cell_view), cell, combo_cell_data_func, info, NULL); submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) set_cell_data_func_recurse (submenu, cell, info); } } g_list_free (list); } static void gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout, GtkCellRenderer *cell, GtkCellLayoutDataFunc func, gpointer func_data, GDestroyNotify destroy) { ComboCellInfo *info; GtkComboBox *combo_box; g_return_if_fail (GTK_IS_COMBO_BOX (layout)); combo_box = GTK_COMBO_BOX (layout); info = gtk_combo_box_get_cell_info (combo_box, cell); g_return_if_fail (info != NULL); if (info->destroy) { GDestroyNotify d = info->destroy; info->destroy = NULL; d (info->func_data); } info->func = func; info->func_data = func_data; info->destroy = destroy; if (combo_box->priv->cell_view) gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell, func, func_data, NULL); if (combo_box->priv->column) gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo_box->priv->column), cell, func, func_data, NULL); if (GTK_IS_MENU (combo_box->priv->popup_widget)) set_cell_data_func_recurse (combo_box->priv->popup_widget, cell, info); gtk_widget_queue_resize (GTK_WIDGET (combo_box)); } static void clear_attributes_recurse (GtkWidget *menu, GtkCellRenderer *cell) { GList *i, *list; GtkWidget *submenu; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (i = list; i; i = i->next) { if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child)) gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child), cell); submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) clear_attributes_recurse (submenu, cell); } g_list_free (list); } static void gtk_combo_box_cell_layout_clear_attributes (GtkCellLayout *layout, GtkCellRenderer *cell) { ComboCellInfo *info; GtkComboBox *combo_box; GSList *list; g_return_if_fail (GTK_IS_COMBO_BOX (layout)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); combo_box = GTK_COMBO_BOX (layout); info = gtk_combo_box_get_cell_info (combo_box, cell); g_return_if_fail (info != NULL); list = info->attributes; while (list && list->next) { g_free (list->data); list = list->next->next; } g_slist_free (info->attributes); info->attributes = NULL; if (combo_box->priv->cell_view) gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell); if (combo_box->priv->column) gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (combo_box->priv->column), cell); if (GTK_IS_MENU (combo_box->priv->popup_widget)) clear_attributes_recurse (combo_box->priv->popup_widget, cell); gtk_widget_queue_resize (GTK_WIDGET (combo_box)); } static void reorder_recurse (GtkWidget *menu, GtkCellRenderer *cell, gint position) { GList *i, *list; GtkWidget *submenu; list = gtk_container_get_children (GTK_CONTAINER (menu)); for (i = list; i; i = i->next) { if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child)) gtk_cell_layout_reorder (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child), cell, position); submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data)); if (submenu != NULL) reorder_recurse (submenu, cell, position); } g_list_free (list); } static void gtk_combo_box_cell_layout_reorder (GtkCellLayout *layout, GtkCellRenderer *cell, gint position) { ComboCellInfo *info; GtkComboBox *combo_box; GSList *link; g_return_if_fail (GTK_IS_COMBO_BOX (layout)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); combo_box = GTK_COMBO_BOX (layout); info = gtk_combo_box_get_cell_info (combo_box, cell); g_return_if_fail (info != NULL); g_return_if_fail (position >= 0); link = g_slist_find (combo_box->priv->cells, info); g_return_if_fail (link != NULL); combo_box->priv->cells = g_slist_remove_link (combo_box->priv->cells, link); combo_box->priv->cells = g_slist_insert (combo_box->priv->cells, info, position); if (combo_box->priv->cell_view) gtk_cell_layout_reorder (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell, position); if (combo_box->priv->column) gtk_cell_layout_reorder (GTK_CELL_LAYOUT (combo_box->priv->column), cell, position); if (GTK_IS_MENU (combo_box->priv->popup_widget)) reorder_recurse (combo_box->priv->popup_widget, cell, position); gtk_widget_queue_draw (GTK_WIDGET (combo_box)); } /* * public API */ /** * gtk_combo_box_new: * * Creates a new empty #GtkComboBox. * * Return value: A new #GtkComboBox. * * Since: 2.4 */ GtkWidget * gtk_combo_box_new (void) { return g_object_new (GTK_TYPE_COMBO_BOX, NULL); } /** * gtk_combo_box_new_with_model: * @model: A #GtkTreeModel. * * Creates a new #GtkComboBox with the model initialized to @model. * * Return value: A new #GtkComboBox. * * Since: 2.4 */ GtkWidget * gtk_combo_box_new_with_model (GtkTreeModel *model) { GtkComboBox *combo_box; g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL); combo_box = g_object_new (GTK_TYPE_COMBO_BOX, "model", model, NULL); return GTK_WIDGET (combo_box); } /** * gtk_combo_box_get_wrap_width: * @combo_box: A #GtkComboBox. * * Returns the wrap width which is used to determine the number * of columns for the popup menu. If the wrap width is larger than * 1, the combo box is in table mode. * * Returns: the wrap width. * * Since: 2.6 */ gint gtk_combo_box_get_wrap_width (GtkComboBox *combo_box) { g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), -1); return combo_box->priv->wrap_width; } /** * gtk_combo_box_set_wrap_width: * @combo_box: A #GtkComboBox. * @width: Preferred number of columns. * * Sets the wrap width of @combo_box to be @width. The wrap width is basically * the preferred number of columns when you want the popup to be layed out * in a table. * * Since: 2.4 */ void gtk_combo_box_set_wrap_width (GtkComboBox *combo_box, gint width) { g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); g_return_if_fail (width >= 0); if (width != combo_box->priv->wrap_width) { combo_box->priv->wrap_width = width; gtk_combo_box_check_appearance (combo_box); gtk_combo_box_relayout (combo_box); g_object_notify (G_OBJECT (combo_box), "wrap-width"); } } /** * gtk_combo_box_get_row_span_column: * @combo_box: A #GtkComboBox. * * Returns the column with row span information for @combo_box. * * Returns: the row span column. * * Since: 2.6 */ gint gtk_combo_box_get_row_span_column (GtkComboBox *combo_box) { g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), -1); return combo_box->priv->row_column; } /** * gtk_combo_box_set_row_span_column: * @combo_box: A #GtkComboBox. * @row_span: A column in the model passed during construction. * * Sets the column with row span information for @combo_box to be @row_span. * The row span column contains integers which indicate how many rows * an item should span. * * Since: 2.4 */ void gtk_combo_box_set_row_span_column (GtkComboBox *combo_box, gint row_span) { gint col; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); col = gtk_tree_model_get_n_columns (combo_box->priv->model); g_return_if_fail (row_span >= -1 && row_span < col); if (row_span != combo_box->priv->row_column) { combo_box->priv->row_column = row_span; gtk_combo_box_relayout (combo_box); g_object_notify (G_OBJECT (combo_box), "row-span-column"); } } /** * gtk_combo_box_get_column_span_column: * @combo_box: A #GtkComboBox. * * Returns the column with column span information for @combo_box. * * Returns: the column span column. * * Since: 2.6 */ gint gtk_combo_box_get_column_span_column (GtkComboBox *combo_box) { g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), -1); return combo_box->priv->col_column; } /** * gtk_combo_box_set_column_span_column: * @combo_box: A #GtkComboBox. * @column_span: A column in the model passed during construction. * * Sets the column with column span information for @combo_box to be * @column_span. The column span column contains integers which indicate * how many columns an item should span. * * Since: 2.4 */ void gtk_combo_box_set_column_span_column (GtkComboBox *combo_box, gint column_span) { gint col; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); col = gtk_tree_model_get_n_columns (combo_box->priv->model); g_return_if_fail (column_span >= -1 && column_span < col); if (column_span != combo_box->priv->col_column) { combo_box->priv->col_column = column_span; gtk_combo_box_relayout (combo_box); g_object_notify (G_OBJECT (combo_box), "column-span-column"); } } /** * gtk_combo_box_get_active: * @combo_box: A #GtkComboBox. * * Returns the index of the currently active item, or -1 if there's no * active item. If the model is a non-flat treemodel, and the active item * is not an immediate child of the root of the tree, this function returns * gtk_tree_path_get_indices (path)[0], where * path is the #GtkTreePath of the active item. * * Return value: An integer which is the index of the currently active item, or * -1 if there's no active item. * * Since: 2.4 */ gint gtk_combo_box_get_active (GtkComboBox *combo_box) { gint result; g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), 0); if (gtk_tree_row_reference_valid (combo_box->priv->active_row)) { GtkTreePath *path; path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); result = gtk_tree_path_get_indices (path)[0]; gtk_tree_path_free (path); } else result = -1; return result; } /** * gtk_combo_box_set_active: * @combo_box: A #GtkComboBox. * @index_: An index in the model passed during construction, or -1 to have * no active item. * * Sets the active item of @combo_box to be the item at @index. * * Since: 2.4 */ void gtk_combo_box_set_active (GtkComboBox *combo_box, gint index_) { GtkTreePath *path = NULL; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); g_return_if_fail (index_ >= -1); if (index_ != -1) path = gtk_tree_path_new_from_indices (index_, -1); gtk_combo_box_set_active_internal (combo_box, path); if (path) gtk_tree_path_free (path); } static void gtk_combo_box_set_active_internal (GtkComboBox *combo_box, GtkTreePath *path) { GtkTreePath *active_path; gint path_cmp; if (path && gtk_tree_row_reference_valid (combo_box->priv->active_row)) { active_path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); path_cmp = gtk_tree_path_compare (path, active_path); gtk_tree_path_free (active_path); if (path_cmp == 0) return; } if (combo_box->priv->active_row) { gtk_tree_row_reference_free (combo_box->priv->active_row); combo_box->priv->active_row = NULL; } if (!path) { if (combo_box->priv->tree_view) gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view))); else { GtkMenu *menu = GTK_MENU (combo_box->priv->popup_widget); if (GTK_IS_MENU (menu)) gtk_menu_set_active (menu, -1); } if (combo_box->priv->cell_view) gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), NULL); } else { combo_box->priv->active_row = gtk_tree_row_reference_new (combo_box->priv->model, path); if (combo_box->priv->tree_view) { gtk_tree_view_set_cursor (GTK_TREE_VIEW (combo_box->priv->tree_view), path, NULL, FALSE); } else if (GTK_IS_MENU (combo_box->priv->popup_widget)) { /* FIXME handle nested menus better */ gtk_menu_set_active (GTK_MENU (combo_box->priv->popup_widget), gtk_tree_path_get_indices (path)[0]); } if (combo_box->priv->cell_view) gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), path); } g_signal_emit_by_name (combo_box, "changed", NULL, NULL); } /** * gtk_combo_box_get_active_iter: * @combo_box: A #GtkComboBox * @iter: The uninitialized #GtkTreeIter. * * Sets @iter to point to the current active item, if it exists. * * Return value: %TRUE, if @iter was set * * Since: 2.4 **/ gboolean gtk_combo_box_get_active_iter (GtkComboBox *combo_box, GtkTreeIter *iter) { GtkTreePath *path; gboolean result; g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), FALSE); if (!gtk_tree_row_reference_valid (combo_box->priv->active_row)) return FALSE; path = gtk_tree_row_reference_get_path (combo_box->priv->active_row); result = gtk_tree_model_get_iter (combo_box->priv->model, iter, path); gtk_tree_path_free (path); return result; } /** * gtk_combo_box_set_active_iter: * @combo_box: A #GtkComboBox * @iter: The #GtkTreeIter. * * Sets the current active item to be the one referenced by @iter. * @iter must correspond to a path of depth one. * * Since: 2.4 **/ void gtk_combo_box_set_active_iter (GtkComboBox *combo_box, GtkTreeIter *iter) { GtkTreePath *path; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); path = gtk_tree_model_get_path (gtk_combo_box_get_model (combo_box), iter); gtk_combo_box_set_active_internal (combo_box, path); gtk_tree_path_free (path); } /** * gtk_combo_box_set_model: * @combo_box: A #GtkComboBox. * @model: A #GtkTreeModel. * * Sets the model used by @combo_box to be @model. Will unset a previously set * model (if applicable). If model is %NULL, then it will unset the model. * * Note that this function does not clear the cell renderers, you have to * call gtk_combo_box_cell_layout_clear() yourself if you need to set up * different cell renderers for the new model. * * Since: 2.4 */ void gtk_combo_box_set_model (GtkComboBox *combo_box, GtkTreeModel *model) { g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); if (!model) { gtk_combo_box_unset_model (combo_box); return; } g_return_if_fail (GTK_IS_TREE_MODEL (model)); if (model == combo_box->priv->model) return; if (combo_box->priv->model) gtk_combo_box_unset_model (combo_box); combo_box->priv->model = model; g_object_ref (combo_box->priv->model); combo_box->priv->inserted_id = g_signal_connect (combo_box->priv->model, "row_inserted", G_CALLBACK (gtk_combo_box_model_row_inserted), combo_box); combo_box->priv->deleted_id = g_signal_connect (combo_box->priv->model, "row_deleted", G_CALLBACK (gtk_combo_box_model_row_deleted), combo_box); combo_box->priv->reordered_id = g_signal_connect (combo_box->priv->model, "rows_reordered", G_CALLBACK (gtk_combo_box_model_rows_reordered), combo_box); combo_box->priv->changed_id = g_signal_connect (combo_box->priv->model, "row_changed", G_CALLBACK (gtk_combo_box_model_row_changed), combo_box); if (combo_box->priv->tree_view) { /* list mode */ gtk_tree_view_set_model (GTK_TREE_VIEW (combo_box->priv->tree_view), combo_box->priv->model); gtk_combo_box_list_popup_resize (combo_box); } else { /* menu mode */ if (combo_box->priv->popup_widget) gtk_combo_box_menu_fill (combo_box); } if (combo_box->priv->cell_view) gtk_cell_view_set_model (GTK_CELL_VIEW (combo_box->priv->cell_view), combo_box->priv->model); } /** * gtk_combo_box_get_model * @combo_box: A #GtkComboBox. * * Returns the #GtkTreeModel which is acting as data source for @combo_box. * * Return value: A #GtkTreeModel which was passed during construction. * * Since: 2.4 */ GtkTreeModel * gtk_combo_box_get_model (GtkComboBox *combo_box) { g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL); return combo_box->priv->model; } /* convenience API for simple text combos */ /** * gtk_combo_box_new_text: * * Convenience function which constructs a new text combo box, which is a * #GtkComboBox just displaying strings. If you use this function to create * a text combo box, you should only manipulate its data source with the * following convenience functions: gtk_combo_box_append_text(), * gtk_combo_box_insert_text(), gtk_combo_box_prepend_text() and * gtk_combo_box_remove_text(). * * Return value: A new text combo box. * * Since: 2.4 */ GtkWidget * gtk_combo_box_new_text (void) { GtkWidget *combo_box; GtkCellRenderer *cell; GtkListStore *store; store = gtk_list_store_new (1, G_TYPE_STRING); combo_box = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store)); g_object_unref (store); cell = gtk_cell_renderer_text_new (); gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), cell, TRUE); gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), cell, "text", 0, NULL); return combo_box; } /** * gtk_combo_box_append_text: * @combo_box: A #GtkComboBox constructed using gtk_combo_box_new_text(). * @text: A string. * * Appends @string to the list of strings stored in @combo_box. Note that * you can only use this function with combo boxes constructed with * gtk_combo_box_new_text(). * * Since: 2.4 */ void gtk_combo_box_append_text (GtkComboBox *combo_box, const gchar *text) { GtkTreeIter iter; GtkListStore *store; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model)); g_return_if_fail (text != NULL); store = GTK_LIST_STORE (combo_box->priv->model); gtk_list_store_append (store, &iter); gtk_list_store_set (store, &iter, 0, text, -1); } /** * gtk_combo_box_insert_text: * @combo_box: A #GtkComboBox constructed using gtk_combo_box_new_text(). * @position: An index to insert @text. * @text: A string. * * Inserts @string at @position in the list of strings stored in @combo_box. * Note that you can only use this function with combo boxes constructed * with gtk_combo_box_new_text(). * * Since: 2.4 */ void gtk_combo_box_insert_text (GtkComboBox *combo_box, gint position, const gchar *text) { GtkTreeIter iter; GtkListStore *store; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model)); g_return_if_fail (position >= 0); g_return_if_fail (text != NULL); store = GTK_LIST_STORE (combo_box->priv->model); gtk_list_store_insert (store, &iter, position); gtk_list_store_set (store, &iter, 0, text, -1); } /** * gtk_combo_box_prepend_text: * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text(). * @text: A string. * * Prepends @string to the list of strings stored in @combo_box. Note that * you can only use this function with combo boxes constructed with * gtk_combo_box_new_text(). * * Since: 2.4 */ void gtk_combo_box_prepend_text (GtkComboBox *combo_box, const gchar *text) { GtkTreeIter iter; GtkListStore *store; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model)); g_return_if_fail (text != NULL); store = GTK_LIST_STORE (combo_box->priv->model); gtk_list_store_prepend (store, &iter); gtk_list_store_set (store, &iter, 0, text, -1); } /** * gtk_combo_box_remove_text: * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text(). * @position: Index of the item to remove. * * Removes the string at @position from @combo_box. Note that you can only use * this function with combo boxes constructed with gtk_combo_box_new_text(). * * Since: 2.4 */ void gtk_combo_box_remove_text (GtkComboBox *combo_box, gint position) { GtkTreeIter iter; GtkListStore *store; g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model)); g_return_if_fail (position >= 0); store = GTK_LIST_STORE (combo_box->priv->model); if (gtk_tree_model_iter_nth_child (combo_box->priv->model, &iter, NULL, position)) gtk_list_store_remove (store, &iter); } /** * gtk_combo_box_get_active_text: * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text(). * * Returns the currently active string in @combo_box or %NULL if none * is selected. Note that you can only use this function with combo * boxes constructed with gtk_combo_box_new_text(). * * Returns: a newly allocated string containing the currently active text. * * Since: 2.6 */ gchar * gtk_combo_box_get_active_text (GtkComboBox *combo_box) { GtkComboBoxClass *class; g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL); class = GTK_COMBO_BOX_GET_CLASS (combo_box); if (class->get_active_text) return (* class->get_active_text) (combo_box); return NULL; } static gchar * gtk_combo_box_real_get_active_text (GtkComboBox *combo_box) { GtkTreeIter iter; gchar *text = NULL; g_return_val_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model), NULL); if (gtk_combo_box_get_active_iter (combo_box, &iter)) gtk_tree_model_get (combo_box->priv->model, &iter, 0, &text, -1); return text; } static gboolean gtk_combo_box_mnemonic_activate (GtkWidget *widget, gboolean group_cycling) { GtkComboBox *combo_box = GTK_COMBO_BOX (widget); gtk_widget_grab_focus (combo_box->priv->button); return TRUE; } static void gtk_combo_box_grab_focus (GtkWidget *widget) { GtkComboBox *combo_box = GTK_COMBO_BOX (widget); gtk_widget_grab_focus (combo_box->priv->button); } static void gtk_combo_box_destroy (GtkObject *object) { GtkComboBox *combo_box = GTK_COMBO_BOX (object); if (combo_box->priv->popup_idle_id > 0) { g_source_remove (combo_box->priv->popup_idle_id); combo_box->priv->popup_idle_id = 0; } gtk_combo_box_popdown (combo_box); if (combo_box->priv->row_separator_destroy) (* combo_box->priv->row_separator_destroy) (combo_box->priv->row_separator_data); combo_box->priv->row_separator_func = NULL; combo_box->priv->row_separator_data = NULL; combo_box->priv->row_separator_destroy = NULL; combo_box->priv->destroying = 1; GTK_OBJECT_CLASS (parent_class)->destroy (object); combo_box->priv->cell_view = NULL; combo_box->priv->destroying = 0; } static void gtk_combo_box_finalize (GObject *object) { GtkComboBox *combo_box = GTK_COMBO_BOX (object); GSList *i; if (GTK_IS_MENU (combo_box->priv->popup_widget)) { gtk_combo_box_menu_destroy (combo_box); gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget)); combo_box->priv->popup_widget = NULL; } if (GTK_IS_TREE_VIEW (combo_box->priv->tree_view)) gtk_combo_box_list_destroy (combo_box); if (combo_box->priv->popup_window) gtk_widget_destroy (combo_box->priv->popup_window); gtk_combo_box_unset_model (combo_box); for (i = combo_box->priv->cells; i; i = i->next) { ComboCellInfo *info = (ComboCellInfo *)i->data; GSList *list = info->attributes; if (info->destroy) info->destroy (info->func_data); while (list && list->next) { g_free (list->data); list = list->next->next; } g_slist_free (info->attributes); g_object_unref (info->cell); g_free (info); } g_slist_free (combo_box->priv->cells); G_OBJECT_CLASS (parent_class)->finalize (object); } static gboolean gtk_cell_editable_key_press (GtkWidget *widget, GdkEventKey *event, gpointer data) { GtkComboBox *combo_box = GTK_COMBO_BOX (data); if (event->keyval == GDK_Escape) { combo_box->priv->editing_canceled = TRUE; gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (combo_box)); gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (combo_box)); return TRUE; } else if (event->keyval == GDK_Return) { gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (combo_box)); gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (combo_box)); return TRUE; } return FALSE; } static gboolean popdown_idle (gpointer data) { GtkComboBox *combo_box; GDK_THREADS_ENTER (); combo_box = GTK_COMBO_BOX (data); gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (combo_box)); gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (combo_box)); g_object_unref (combo_box); GDK_THREADS_LEAVE (); return FALSE; } static void popdown_handler (GtkWidget *widget, gpointer data) { g_idle_add (popdown_idle, g_object_ref (data)); } static gboolean popup_idle (gpointer data) { GtkComboBox *combo_box; GDK_THREADS_ENTER (); combo_box = GTK_COMBO_BOX (data); if (GTK_IS_MENU (combo_box->priv->popup_widget) && combo_box->priv->cell_view) g_signal_connect_object (combo_box->priv->popup_widget, "unmap", G_CALLBACK (popdown_handler), combo_box, 0); /* we unset this if a menu item is activated */ combo_box->priv->editing_canceled = TRUE; gtk_combo_box_popup (combo_box); GDK_THREADS_LEAVE (); return FALSE; } static void gtk_combo_box_start_editing (GtkCellEditable *cell_editable, GdkEvent *event) { GtkComboBox *combo_box = GTK_COMBO_BOX (cell_editable); combo_box->priv->is_cell_renderer = TRUE; if (combo_box->priv->cell_view) { g_signal_connect_object (combo_box->priv->button, "key_press_event", G_CALLBACK (gtk_cell_editable_key_press), cell_editable, 0); gtk_widget_grab_focus (combo_box->priv->button); } else { g_signal_connect_object (GTK_BIN (combo_box)->child, "key_press_event", G_CALLBACK (gtk_cell_editable_key_press), cell_editable, 0); gtk_widget_grab_focus (GTK_WIDGET (GTK_BIN (combo_box)->child)); GTK_WIDGET_UNSET_FLAGS (combo_box->priv->button, GTK_CAN_FOCUS); } /* we do the immediate popup only for the optionmenu-like * appearance */ if (combo_box->priv->is_cell_renderer && combo_box->priv->cell_view && !combo_box->priv->tree_view) combo_box->priv->popup_idle_id = g_idle_add (popup_idle, combo_box); } /** * gtk_combo_box_get_add_tearoffs: * @combo_box: a #GtkComboBox * * Gets the current value of the :add-tearoffs property. * * Return value: the current value of the :add-tearoffs property. **/ gboolean gtk_combo_box_get_add_tearoffs (GtkComboBox *combo_box) { g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), FALSE); return combo_box->priv->add_tearoffs; } /** * gtk_combo_box_set_add_tearoffs: * @combo_box: a #GtkComboBox * @add_tearoffs: %TRUE to add tearoff menu items * * Sets whether the popup menu should have a tearoff * menu item. * * Since: 2.6 **/ void gtk_combo_box_set_add_tearoffs (GtkComboBox *combo_box, gboolean add_tearoffs) { g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); add_tearoffs = add_tearoffs != FALSE; if (combo_box->priv->add_tearoffs != add_tearoffs) { combo_box->priv->add_tearoffs = add_tearoffs; gtk_combo_box_check_appearance (combo_box); gtk_combo_box_relayout (combo_box); g_object_notify (G_OBJECT (combo_box), "add-tearoffs"); } } gboolean _gtk_combo_box_editing_canceled (GtkComboBox *combo_box) { g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), TRUE); return combo_box->priv->editing_canceled; } /** * gtk_combo_box_get_popup_accessible: * @combo_box: a #GtkComboBox * * Gets the accessible object corresponding to the combo box's popup. * * This function is mostly intended for use by accessibility technologies; * applications should have little use for it. * * Returns: the accessible object corresponding to the combo box's popup. * * Since: 2.6 **/ AtkObject* gtk_combo_box_get_popup_accessible (GtkComboBox *combo_box) { AtkObject *atk_obj; g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL); if (combo_box->priv->popup_widget) { atk_obj = gtk_widget_get_accessible (combo_box->priv->popup_widget); return atk_obj; } return NULL; } /** * gtk_combo_box_get_row_separator_func: * @combo_box: a #GtkComboBox * * Returns the current row separator function. * * Return value: the current row separator function. * * Since: 2.6 **/ GtkTreeViewRowSeparatorFunc gtk_combo_box_get_row_separator_func (GtkComboBox *combo_box) { g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL); return combo_box->priv->row_separator_func; } /** * gtk_combo_box_set_row_separator_func: * @combo_box: a #GtkComboBox * @func: a #GtkTreeViewRowSeparatorFunc * @data: user data to pass to @func, or %NULL * @destroy: destroy notifier for @data, or %NULL * * Sets the row separator function, which is used to determine * whether a row should be drawn as a separator. If the row separator * function is %NULL, no separators are drawn. This is the default value. * * Since: 2.6 **/ void gtk_combo_box_set_row_separator_func (GtkComboBox *combo_box, GtkTreeViewRowSeparatorFunc func, gpointer data, GtkDestroyNotify destroy) { g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); if (combo_box->priv->row_separator_destroy) (* combo_box->priv->row_separator_destroy) (combo_box->priv->row_separator_data); combo_box->priv->row_separator_func = func; combo_box->priv->row_separator_data = data; combo_box->priv->row_separator_destroy = destroy; if (combo_box->priv->tree_view) gtk_tree_view_set_row_separator_func (GTK_TREE_VIEW (combo_box->priv->tree_view), func, data, NULL); gtk_combo_box_relayout (combo_box); gtk_widget_queue_draw (GTK_WIDGET (combo_box)); } /** * gtk_combo_box_set_focus_on_click: * @combo: a #GtkComboBox * @focus_on_click: whether the combo box grabs focus when clicked * with the mouse * * Sets whether the combo box will grab focus when it is clicked with * the mouse. Making mouse clicks not grab focus is useful in places * like toolbars where you don't want the keyboard focus removed from * the main area of the application. * * Since: 2.6 **/ void gtk_combo_box_set_focus_on_click (GtkComboBox *combo, gboolean focus_on_click) { g_return_if_fail (GTK_IS_COMBO_BOX (combo)); focus_on_click = focus_on_click != FALSE; if (combo->priv->focus_on_click != focus_on_click) { combo->priv->focus_on_click = focus_on_click; g_object_notify (G_OBJECT (combo), "focus-on-click"); } } /** * gtk_combo_box_get_focus_on_click: * @combo: a #GtkComboBox * * Returns whether the combo box grabs focus when it is clicked * with the mouse. See gtk_combo_box_set_focus_on_click(). * * Return value: %TRUE if the combo box grabs focus when it is * clicked with the mouse. * * Since: 2.6 **/ gboolean gtk_combo_box_get_focus_on_click (GtkComboBox *combo) { g_return_val_if_fail (GTK_IS_COMBO_BOX (combo), FALSE); return combo->priv->focus_on_click; } #define __GTK_COMBO_BOX_C__ #include "gtkaliasdef.c"