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Only show the mnemonic underline when pressing Alt

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...and show them in menus when navigating the menu with the keyboard.
This is similar to what other platforms do, and reduces visual clutter.
There is a setting to control this. Most of the work on this patch was
done by Thomas Wood. See bug 588554.
This commit is contained in:
Matthias Clasen
2009-12-20 03:04:52 -05:00
committed by Tristan Van Berkom
parent ce9c3df4c8
commit d68d78de81
11 changed files with 352 additions and 8 deletions
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23
gtk/gtkmain.c
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@ -63,6 +63,8 @@
#include "gtktooltip.h"
#include "gtkdebug.h"
#include "gtkalias.h"
#include "gtkmenu.h"
#include "gdk/gdkkeysyms.h"
#include "gdk/gdkprivate.h" /* for GDK_WINDOW_DESTROYED */
@ -1613,6 +1615,27 @@ gtk_main_do_event (GdkEvent *event)
if (gtk_invoke_key_snoopers (grab_widget, event))
break;
}
/* catch alt press to enable auto-mnemonics */
if (event->key.keyval == GDK_Alt_L || event->key.keyval == GDK_Alt_R)
{
gboolean auto_mnemonics;
g_object_get (gtk_widget_get_settings (grab_widget),
"gtk-auto-mnemonics", &auto_mnemonics, NULL);
if (auto_mnemonics)
{
gboolean mnemonics_visible;
GtkWidget *window;
mnemonics_visible = (event->type == GDK_KEY_PRESS);
window = gtk_widget_get_toplevel (grab_widget);
if (GTK_IS_WINDOW (window))
gtk_window_set_mnemonics_visible (GTK_WINDOW (window), mnemonics_visible);
}
}
/* else fall through */
case GDK_MOTION_NOTIFY:
case GDK_BUTTON_RELEASE: