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-rw-r--r--src/sugar/sugar-key-grabber.c265
1 files changed, 0 insertions, 265 deletions
diff --git a/src/sugar/sugar-key-grabber.c b/src/sugar/sugar-key-grabber.c
deleted file mode 100644
index 89b743f..0000000
--- a/src/sugar/sugar-key-grabber.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
- * Copyright (C) 2006-2007, Red Hat, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser 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 <X11/X.h>
-#include <gdk/gdkscreen.h>
-#include <gdk/gdkx.h>
-#include <gdk/gdk.h>
-
-#include "sugar-key-grabber.h"
-#include "eggaccelerators.h"
-#include "sugar-marshal.h"
-
-/* we exclude shift, GDK_CONTROL_MASK and GDK_MOD1_MASK since we know what
- these modifiers mean
- these are the mods whose combinations are bound by the keygrabbing code */
-#define IGNORED_MODS (0x2000 /*Xkb modifier*/ | GDK_LOCK_MASK | \
- GDK_MOD2_MASK | GDK_MOD3_MASK | GDK_MOD4_MASK | GDK_MOD5_MASK)
-/* these are the ones we actually use for global keys, we always only check
- * for these set */
-#define USED_MODS (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK)
-
-enum {
- KEY_PRESSED,
- KEY_RELEASED,
- N_SIGNALS
-};
-
-typedef struct {
- char *key;
- guint keysym;
- guint state;
- guint keycode;
-} Key;
-
-G_DEFINE_TYPE(SugarKeyGrabber, sugar_key_grabber, G_TYPE_OBJECT)
-
-static guint signals[N_SIGNALS];
-
-static void
-free_key_info(Key *key_info)
-{
- g_free(key_info->key);
- g_free(key_info);
-}
-
-static void
-sugar_key_grabber_dispose (GObject *object)
-{
- SugarKeyGrabber *grabber = SUGAR_KEY_GRABBER(object);
-
- if (grabber->keys) {
- g_list_foreach(grabber->keys, (GFunc)free_key_info, NULL);
- g_list_free(grabber->keys);
- grabber->keys = NULL;
- }
-}
-
-static void
-sugar_key_grabber_class_init(SugarKeyGrabberClass *grabber_class)
-{
- GObjectClass *g_object_class = G_OBJECT_CLASS (grabber_class);
-
- g_object_class->dispose = sugar_key_grabber_dispose;
-
- signals[KEY_PRESSED] = g_signal_new ("key-pressed",
- G_TYPE_FROM_CLASS (grabber_class),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (SugarKeyGrabberClass, key_pressed),
- NULL, NULL,
- sugar_marshal_BOOLEAN__UINT_UINT,
- G_TYPE_BOOLEAN, 2,
- G_TYPE_UINT,
- G_TYPE_UINT);
- signals[KEY_RELEASED] = g_signal_new ("key-released",
- G_TYPE_FROM_CLASS (grabber_class),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (SugarKeyGrabberClass, key_released),
- NULL, NULL,
- sugar_marshal_BOOLEAN__UINT_UINT,
- G_TYPE_BOOLEAN, 2,
- G_TYPE_UINT,
- G_TYPE_UINT);
-}
-
-char *
-sugar_key_grabber_get_key(SugarKeyGrabber *grabber, guint keycode, guint state)
-{
- GList *l;
-
- for (l = grabber->keys; l != NULL; l = l->next) {
- Key *keyinfo = (Key *)l->data;
- if ((keyinfo->keycode == keycode) &&
- ((state & USED_MODS) == keyinfo->state)) {
- return g_strdup(keyinfo->key);
- }
- }
-
- return NULL;
-}
-
-static GdkFilterReturn
-filter_events(GdkXEvent *xevent, GdkEvent *event, gpointer data)
-{
- SugarKeyGrabber *grabber = (SugarKeyGrabber *)data;
- XEvent *xev = (XEvent *)xevent;
-
- if (xev->type == KeyRelease) {
- int return_value;
- g_signal_emit (grabber, signals[KEY_RELEASED], 0, xev->xkey.keycode,
- xev->xkey.state, &return_value);
- if(return_value)
- return GDK_FILTER_REMOVE;
- }
-
- if (xev->type == KeyPress) {
- int return_value;
- g_signal_emit (grabber, signals[KEY_PRESSED], 0, xev->xkey.keycode,
- xev->xkey.state, &return_value);
- if(return_value)
- return GDK_FILTER_REMOVE;
- }
-
- return GDK_FILTER_CONTINUE;
-}
-
-static void
-sugar_key_grabber_init(SugarKeyGrabber *grabber)
-{
- GdkScreen *screen;
-
- screen = gdk_screen_get_default();
- grabber->root = gdk_screen_get_root_window(screen);
- grabber->keys = NULL;
-
- gdk_window_add_filter(grabber->root, filter_events, grabber);
-}
-
-/* grab_key and grab_key_real are from
- * gnome-control-center/gnome-settings-daemon/gnome-settings-multimedia-keys.c
- */
-
-static void
-grab_key_real (Key *key, GdkWindow *root, gboolean grab, int result)
-{
- if (grab)
- XGrabKey (GDK_DISPLAY(), key->keycode, (result | key->state),
- GDK_WINDOW_XID (root), True, GrabModeAsync, GrabModeAsync);
- else
- XUngrabKey(GDK_DISPLAY(), key->keycode, (result | key->state),
- GDK_WINDOW_XID (root));
-}
-
-#define N_BITS 32
-static void
-grab_key (SugarKeyGrabber *grabber, Key *key, gboolean grab)
-{
- int indexes[N_BITS];/*indexes of bits we need to flip*/
- int i, bit, bits_set_cnt;
- int uppervalue;
- guint mask_to_traverse = IGNORED_MODS & ~ key->state;
-
- bit = 0;
- for (i = 0; i < N_BITS; i++) {
- if (mask_to_traverse & (1<<i))
- indexes[bit++]=i;
- }
-
- bits_set_cnt = bit;
-
- uppervalue = 1<<bits_set_cnt;
- for (i = 0; i < uppervalue; i++) {
- int j, result = 0;
-
- for (j = 0; j < bits_set_cnt; j++) {
- if (i & (1<<j))
- result |= (1<<indexes[j]);
- }
-
- grab_key_real (key, grabber->root, grab, result);
- }
-}
-
-
-void
-sugar_key_grabber_grab_keys(SugarKeyGrabber *grabber, const char **keys)
-{
- char **cur = keys;
- char *key;
- Key *keyinfo;
-
- gdk_error_trap_push();
-
- while (*cur != NULL) {
- key = *cur;
- cur += 1;
-
- keyinfo = g_new0 (Key, 1);
- keyinfo->key = g_strdup(key);
-
- egg_accelerator_parse_virtual (key, &keyinfo->keysym,
- &keyinfo->keycode, &keyinfo->state);
-
- grab_key(grabber, keyinfo, TRUE);
-
- grabber->keys = g_list_append(grabber->keys, keyinfo);
- }
-
- gdk_flush();
- gdk_error_trap_push();
-}
-
-gboolean
-sugar_key_grabber_is_modifier(SugarKeyGrabber *grabber, guint keycode, guint mask)
-{
- Display *xdisplay;
- XModifierKeymap *modmap;
- gint start, end, i, mod_index;
- gboolean is_modifier = FALSE;
-
- xdisplay = gdk_x11_drawable_get_xdisplay(GDK_DRAWABLE (grabber->root));
-
- modmap = XGetModifierMapping(xdisplay);
-
- if (mask != -1) {
- mod_index = 0;
- mask = mask >> 1;
- while (mask != 0) {
- mask = mask >> 1;
- mod_index += 1;
- }
- start = mod_index * modmap->max_keypermod;
- end = (mod_index + 1) * modmap->max_keypermod;
- } else {
- start = 0;
- end = 8 * modmap->max_keypermod;
- }
-
- for (i = start; i < end; i++) {
- if (keycode == modmap->modifiermap[i]) {
- is_modifier = TRUE;
- break;
- }
- }
-
- XFreeModifiermap (modmap);
-
- return is_modifier;
-}
-