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gtk: Fix accelerator filtering

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This is in fact very simply: When the input in grabbed, everything
should be exclusively passed to the guest - except it has our magic
CTRL-ALT modifier set. Then let GTK filter out those accels that are in
use. When checking the modifier state, we just need to filter out NUM
and CAPS lock.

Note: Filtering based on hard-coded modifiers breaks overriding
accelerators. Needs to be fixed at a later point.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2013-07-22 09:04:32 +02:00 committed by Anthony Liguori
parent 549c272b3c
commit b1e749c021
1 changed files with 18 additions and 21 deletions
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39
ui/gtk.c
View File

@ -98,6 +98,10 @@ static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh)
#define GDK_KEY_minus GDK_minus
#endif
#define HOTKEY_MODIFIERS (GDK_CONTROL_MASK | GDK_MOD1_MASK)
#define IGNORE_MODIFIER_MASK \
(GDK_MODIFIER_MASK & ~(GDK_LOCK_MASK | GDK_MOD2_MASK))
static const int modifier_keycode[] = {
/* shift, control, alt keys, meta keys, both left & right */
0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
@ -473,22 +477,10 @@ static void gd_mouse_mode_change(Notifier *notify, void *data)
static gboolean gd_window_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
{
GtkDisplayState *s = opaque;
GtkAccelGroupEntry *entries;
guint n_entries = 0;
gboolean propagate_accel = TRUE;
gboolean handled = FALSE;
entries = gtk_accel_group_query(s->accel_group, key->keyval,
key->state, &n_entries);
if (n_entries) {
const char *quark = g_quark_to_string(entries[0].accel_path_quark);
if (gd_is_grab_active(s) && strstart(quark, "<QEMU>/File/", NULL)) {
propagate_accel = FALSE;
}
}
if (!handled && propagate_accel) {
if (!gd_is_grab_active(s) ||
(key->state & IGNORE_MODIFIER_MASK) == HOTKEY_MODIFIERS) {
handled = gtk_window_activate_key(GTK_WINDOW(widget), key);
}
if (handled) {
@ -1197,7 +1189,7 @@ static GSList *gd_vc_init(GtkDisplayState *s, VirtualConsole *vc, int index, GSL
vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, label);
group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
gtk_accel_map_add_entry(path, GDK_KEY_2 + index, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_accel_map_add_entry(path, GDK_KEY_2 + index, HOTKEY_MODIFIERS);
vc->terminal = vte_terminal_new();
@ -1354,7 +1346,8 @@ static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_g
gtk_image_menu_item_new_from_stock(GTK_STOCK_FULLSCREEN, NULL);
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
"<QEMU>/View/Full Screen");
gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
HOTKEY_MODIFIERS);
gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
separator = gtk_separator_menu_item_new();
@ -1363,19 +1356,22 @@ static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_g
s->zoom_in_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_IN, NULL);
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
"<QEMU>/View/Zoom In");
gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
HOTKEY_MODIFIERS);
gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
s->zoom_out_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_OUT, NULL);
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
"<QEMU>/View/Zoom Out");
gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
HOTKEY_MODIFIERS);
gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
s->zoom_fixed_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_100, NULL);
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
"<QEMU>/View/Zoom Fixed");
gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
HOTKEY_MODIFIERS);
gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
@ -1390,7 +1386,8 @@ static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_g
s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
"<QEMU>/View/Grab Input");
gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
HOTKEY_MODIFIERS);
gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
separator = gtk_separator_menu_item_new();
@ -1400,7 +1397,7 @@ static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_g
group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(s->vga_item));
gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->vga_item),
"<QEMU>/View/VGA");
gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, GDK_CONTROL_MASK | GDK_MOD1_MASK);
gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, HOTKEY_MODIFIERS);
gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->vga_item);
for (i = 0; i < nb_vcs; i++) {