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Handle scroll wheel events.

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2001-09-16  Alexander Larsson  <alla@lysator.liu.se>

	* gtk/gtkoptionmenu.c:
	Handle scroll wheel events.
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Alexander Larsson 2001-09-17 02:19:01 +00:00 committed by Alexander Larsson
parent 136d4776ec
commit 9c7f0f8c2a
8 changed files with 84 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2001-09-16 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkoptionmenu.c:
Handle scroll wheel events.
Fri Sep 14 22:31:25 2001 Matthias Clasen <matthiasc@poet.de>
* demos/gtk-demo/main.c (setup_default_icon): Use a shaped

5
ChangeLog.pre-2-0
View File

@ -1,3 +1,8 @@
2001-09-16 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkoptionmenu.c:
Handle scroll wheel events.
Fri Sep 14 22:31:25 2001 Matthias Clasen <matthiasc@poet.de>
* demos/gtk-demo/main.c (setup_default_icon): Use a shaped

5
ChangeLog.pre-2-10
View File

@ -1,3 +1,8 @@
2001-09-16 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkoptionmenu.c:
Handle scroll wheel events.
Fri Sep 14 22:31:25 2001 Matthias Clasen <matthiasc@poet.de>
* demos/gtk-demo/main.c (setup_default_icon): Use a shaped

5
ChangeLog.pre-2-2
View File

@ -1,3 +1,8 @@
2001-09-16 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkoptionmenu.c:
Handle scroll wheel events.
Fri Sep 14 22:31:25 2001 Matthias Clasen <matthiasc@poet.de>
* demos/gtk-demo/main.c (setup_default_icon): Use a shaped

5
ChangeLog.pre-2-4
View File

@ -1,3 +1,8 @@
2001-09-16 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkoptionmenu.c:
Handle scroll wheel events.
Fri Sep 14 22:31:25 2001 Matthias Clasen <matthiasc@poet.de>
* demos/gtk-demo/main.c (setup_default_icon): Use a shaped

5
ChangeLog.pre-2-6
View File

@ -1,3 +1,8 @@
2001-09-16 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkoptionmenu.c:
Handle scroll wheel events.
Fri Sep 14 22:31:25 2001 Matthias Clasen <matthiasc@poet.de>
* demos/gtk-demo/main.c (setup_default_icon): Use a shaped

5
ChangeLog.pre-2-8
View File

@ -1,3 +1,8 @@
2001-09-16 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkoptionmenu.c:
Handle scroll wheel events.
Fri Sep 14 22:31:25 2001 Matthias Clasen <matthiasc@poet.de>
* demos/gtk-demo/main.c (setup_default_icon): Use a shaped

49
gtk/gtkoptionmenu.c
View File

@ -80,6 +80,8 @@ static void gtk_option_menu_position (GtkMenu *menu,
static void gtk_option_menu_show_all (GtkWidget *widget);
static void gtk_option_menu_hide_all (GtkWidget *widget);
static GtkType gtk_option_menu_child_type (GtkContainer *container);
static gint gtk_option_menu_scroll_event (GtkWidget *widget,
GdkEventScroll *event);
enum
{
@ -147,6 +149,7 @@ gtk_option_menu_class_init (GtkOptionMenuClass *class)
widget_class->expose_event = gtk_option_menu_expose;
widget_class->button_press_event = gtk_option_menu_button_press;
widget_class->key_press_event = gtk_option_menu_key_press;
widget_class->scroll_event = gtk_option_menu_scroll_event;
widget_class->show_all = gtk_option_menu_show_all;
widget_class->hide_all = gtk_option_menu_hide_all;
@ -883,3 +886,49 @@ gtk_option_menu_hide_all (GtkWidget *widget)
gtk_container_foreach (container, (GtkCallback) gtk_widget_hide_all, NULL);
}
static gint
gtk_option_menu_scroll_event (GtkWidget *widget,
GdkEventScroll *event)
{
GtkOptionMenu *option_menu = GTK_OPTION_MENU (widget);
gint index;
gint n_children;
gint index_dir;
GList *l;
GtkMenuItem *item;
index = gtk_option_menu_get_history (option_menu);
if (index != -1)
{
n_children = g_list_length (GTK_MENU_SHELL (option_menu->menu)->children);
if (event->direction == GDK_SCROLL_UP)
index_dir = -1;
else
index_dir = 1;
while (TRUE)
{
index += index_dir;
if (index < 0)
break;
if (index >= n_children)
break;
l = g_list_nth (GTK_MENU_SHELL (option_menu->menu)->children, index);
item = GTK_MENU_ITEM (l->data);
if (GTK_WIDGET_VISIBLE (item) && GTK_WIDGET_IS_SENSITIVE (item))
{
gtk_option_menu_set_history (option_menu, index);
break;
}
}
}
return TRUE;
}