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Add gtk_combo_box_get_active_text() convenience function. (#136372,

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Wed May  5 23:42:42 2004  Matthias Clasen  <maclas@gmx.de>

	* gtk/gtkcombobox.h:
	* gtk/gtkcombobox.c (gtk_combo_box_get_active_text):
	Add gtk_combo_box_get_active_text() convenience
	function. (#136372, Christian Neumeir, patch by Olivier Andrieu)
This commit is contained in:
Matthias Clasen 2004-05-06 03:49:15 +00:00 committed by Matthias Clasen
parent 583db0f125
commit 56b202f461
8 changed files with 194 additions and 2 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
Wed May 5 23:42:42 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombobox.h:
* gtk/gtkcombobox.c (gtk_combo_box_get_active_text):
Add gtk_combo_box_get_active_text() convenience
function. (#136372, Christian Neumeir, patch by Olivier Andrieu)
2004-05-05 Elijah Newren <newren@math.utah.edu>
Changes to support do-not-focus-on-map hint in conjunction with

7
ChangeLog.pre-2-10
View File

@ -1,3 +1,10 @@
Wed May 5 23:42:42 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombobox.h:
* gtk/gtkcombobox.c (gtk_combo_box_get_active_text):
Add gtk_combo_box_get_active_text() convenience
function. (#136372, Christian Neumeir, patch by Olivier Andrieu)
2004-05-05 Elijah Newren <newren@math.utah.edu>
Changes to support do-not-focus-on-map hint in conjunction with

7
ChangeLog.pre-2-6
View File

@ -1,3 +1,10 @@
Wed May 5 23:42:42 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombobox.h:
* gtk/gtkcombobox.c (gtk_combo_box_get_active_text):
Add gtk_combo_box_get_active_text() convenience
function. (#136372, Christian Neumeir, patch by Olivier Andrieu)
2004-05-05 Elijah Newren <newren@math.utah.edu>
Changes to support do-not-focus-on-map hint in conjunction with

7
ChangeLog.pre-2-8
View File

@ -1,3 +1,10 @@
Wed May 5 23:42:42 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombobox.h:
* gtk/gtkcombobox.c (gtk_combo_box_get_active_text):
Add gtk_combo_box_get_active_text() convenience
function. (#136372, Christian Neumeir, patch by Olivier Andrieu)
2004-05-05 Elijah Newren <newren@math.utah.edu>
Changes to support do-not-focus-on-map hint in conjunction with

4
docs/reference/ChangeLog
View File

@ -1,3 +1,7 @@
Wed May 5 23:46:19 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtk-sections.txt: Add gtk_combo_box_get_active_text().
Wed May 5 23:12:36 2004 Matthias Clasen <maclas@gmx.de>
* gdk-pixbuf/gdk-pixbuf-sections.txt: Add

1
docs/reference/gtk/gtk-sections.txt
View File

@ -685,6 +685,7 @@ gtk_combo_box_append_text
gtk_combo_box_insert_text
gtk_combo_box_prepend_text
gtk_combo_box_remove_text
gtk_combo_box_get_active_text
gtk_combo_box_popup
gtk_combo_box_popdown
<SUBSECTION Standard>

151
gtk/gtkcombobox.c
View File

@ -100,6 +100,10 @@ struct _GtkComboBoxPrivate
gint width;
GSList *cells;
GtkComboBoxSelectionFunc selection_func;
gpointer selection_data;
GDestroyNotify selection_destroy;
guint popup_in_progress : 1;
guint destroying : 1;
};
@ -254,6 +258,8 @@ static void gtk_combo_box_set_active_internal (GtkComboBox *combo_box,
static gboolean gtk_combo_box_key_press (GtkWidget *widget,
GdkEventKey *event,
gpointer data);
static void cell_view_sync_cells (GtkComboBox *combo_box,
GtkCellView *cell_view);
/* listening to the model */
static void gtk_combo_box_model_row_inserted (GtkTreeModel *model,
@ -1089,6 +1095,40 @@ gtk_combo_box_list_position (GtkComboBox *combo_box,
*y -= *height;
}
static void
update_menu_sensitivity (GtkComboBox *combo_box)
{
gint i, items;
GtkWidget *menu;
GList *children;
if (!combo_box->priv->model || !combo_box->priv->selection_func)
return;
items = gtk_tree_model_iter_n_children (combo_box->priv->model, NULL);
menu = combo_box->priv->popup_widget;
children = gtk_container_get_children (GTK_CONTAINER (menu));
for (i = 0; i < items; i++, children = children->next)
{
GtkTreePath *path;
GtkWidget *item;
gboolean sensitive;
path = gtk_tree_path_new_from_indices (i, -1);
item = GTK_WIDGET (children->data);
sensitive = (*combo_box->priv->selection_func) (combo_box->priv->model,
path,
i == combo_box->priv->active_item,
combo_box->priv->selection_data);
gtk_widget_set_sensitive (item, sensitive);
gtk_tree_path_free (path);
}
}
/**
* gtk_combo_box_popup:
* @combo_box: a #GtkComboBox
@ -1112,6 +1152,8 @@ gtk_combo_box_popup (GtkComboBox *combo_box)
if (GTK_IS_MENU (combo_box->priv->popup_widget))
{
update_menu_sensitivity (combo_box);
gtk_menu_set_active (GTK_MENU (combo_box->priv->popup_widget),
combo_box->priv->active_item);
@ -1886,7 +1928,9 @@ gtk_combo_box_menu_button_press (GtkWidget *widget,
if (event->type == GDK_BUTTON_PRESS && event->button == 1)
{
combo_box->priv->popup_in_progress = TRUE;
update_menu_sensitivity (combo_box);
gtk_menu_set_active (GTK_MENU (combo_box->priv->popup_widget),
combo_box->priv->active_item);
@ -2114,6 +2158,24 @@ gtk_combo_box_menu_row_changed (GtkTreeModel *model,
* list style
*/
static gboolean
gtk_combo_box_selection_func (GtkTreeSelection *selection,
GtkTreeModel *model,
GtkTreePath *path,
gboolean currently_selected,
gpointer data)
{
GtkComboBox *combo_box = GTK_COMBO_BOX (data);
if (combo_box->priv->selection_func)
return (*combo_box->priv->selection_func) (model,
path,
currently_selected,
combo_box->priv->selection_data);
return TRUE;
}
static void
gtk_combo_box_list_setup (GtkComboBox *combo_box)
{
@ -2186,6 +2248,11 @@ gtk_combo_box_list_setup (GtkComboBox *combo_box)
gtk_tree_view_column_pack_end (combo_box->priv->column,
info->cell, info->expand);
if (info->func)
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo_box->priv->column),
info->cell, info->func,
info->func_data, NULL);
for (j = info->attributes; j; j = j->next->next)
{
gtk_tree_view_column_add_attribute (combo_box->priv->column,
@ -2208,6 +2275,11 @@ gtk_combo_box_list_setup (GtkComboBox *combo_box)
}
}
gtk_tree_selection_set_select_function (gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view)),
gtk_combo_box_selection_func,
combo_box,
NULL);
/* set sample/popup widgets */
gtk_combo_box_set_popup_widget (combo_box, combo_box->priv->tree_view);
@ -2352,6 +2424,26 @@ gtk_combo_box_list_button_released (GtkWidget *widget,
return TRUE;
}
static gboolean
is_selectable (GtkComboBox *combo_box,
gint index)
{
GtkTreePath *path;
gboolean result = TRUE;
path = gtk_tree_path_new_from_indices (index, -1);
if (combo_box->priv->selection_func)
result = (*combo_box->priv->selection_func) (combo_box->priv->model,
path,
FALSE,
combo_box->priv->selection_data);
gtk_tree_path_free (path);
return result;
}
static gboolean
gtk_combo_box_key_press (GtkWidget *widget,
GdkEventKey *event,
@ -2376,22 +2468,34 @@ gtk_combo_box_key_press (GtkWidget *widget,
case GDK_Down:
case GDK_KP_Down:
new_index = index + 1;
while (new_index < items && !is_selectable (combo_box, new_index))
new_index++;
if (new_index == items)
new_index = index;
break;
case GDK_Up:
case GDK_KP_Up:
new_index = index - 1;
while (new_index >= 0 && !is_selectable (combo_box, new_index))
new_index--;
if (new_index < 0)
new_index = index;
break;
case GDK_Page_Up:
case GDK_KP_Page_Up:
case GDK_Home:
case GDK_KP_Home:
new_index = 0;
while (new_index < items - 1 && !is_selectable (combo_box, new_index))
new_index++;
break;
case GDK_Page_Down:
case GDK_KP_Page_Down:
case GDK_End:
case GDK_KP_End:
new_index = items - 1;
while (new_index > 0 && !is_selectable (combo_box, new_index))
new_index--;
break;
default:
return FALSE;
@ -2737,7 +2841,7 @@ gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout,
if (combo_box->priv->column)
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo_box->priv->column), cell, func, func_data, NULL);
menu = combo_box->priv->popup_widget;
if (GTK_IS_MENU (menu))
{
@ -3394,6 +3498,33 @@ gtk_combo_box_remove_text (GtkComboBox *combo_box,
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)
{
GtkTreeIter iter;
gchar *text = NULL;
g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
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,
@ -3462,3 +3593,19 @@ gtk_combo_box_finalize (GObject *object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
void
gtk_combo_box_set_selection_func (GtkComboBox *combo_box,
GtkComboBoxSelectionFunc func,
gpointer func_data,
GDestroyNotify destroy)
{
g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
if (combo_box->priv->selection_destroy)
combo_box->priv->selection_destroy (combo_box->priv->selection_data);
combo_box->priv->selection_func = func;
combo_box->priv->selection_data = func_data;
combo_box->priv->selection_destroy = destroy;
}

12
gtk/gtkcombobox.h
View File

@ -98,11 +98,23 @@ void gtk_combo_box_prepend_text (GtkComboBox *combo_box,
const gchar *text);
void gtk_combo_box_remove_text (GtkComboBox *combo_box,
gint position);
gchar *gtk_combo_box_get_active_text (GtkComboBox *combo_box);
/* programmatic control */
void gtk_combo_box_popup (GtkComboBox *combo_box);
void gtk_combo_box_popdown (GtkComboBox *combo_box);
/* insensitive items */
typedef gboolean (*GtkComboBoxSelectionFunc) (GtkTreeModel *model,
GtkTreePath *path,
gboolean currently_selected,
gpointer data);
void gtk_combo_box_set_selection_func (GtkComboBox *combo_box,
GtkComboBoxSelectionFunc func,
gpointer data,
GtkDestroyNotify destroy);
G_END_DECLS
#endif /* __GTK_COMBO_BOX_H__ */