From e46b4adef5c6c6805b3ca6dbfbe99a4299252514 Mon Sep 17 00:00:00 2001 From: haxar Date: Tue, 21 Feb 2012 20:14:01 -0800 Subject: gsd to msd complete rename patch by NiceandGently; file rename commit --- plugins/common/gsd-keygrab.c | 246 ------------------------------------------- 1 file changed, 246 deletions(-) delete mode 100644 plugins/common/gsd-keygrab.c (limited to 'plugins/common/gsd-keygrab.c') diff --git a/plugins/common/gsd-keygrab.c b/plugins/common/gsd-keygrab.c deleted file mode 100644 index 7a16f4e..0000000 --- a/plugins/common/gsd-keygrab.c +++ /dev/null @@ -1,246 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * Copyright (C) 2001-2003 Bastien Nocera - * Copyright (C) 2006-2007 William Jon McCann - * Copyright (C) 2008 Jens Granseuer - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - */ - -#include "config.h" - -#include -#include -#ifdef HAVE_X11_EXTENSIONS_XKB_H -#include -#include -#include -#endif - -#include "eggaccelerators.h" - -#include "msd-keygrab.h" - -/* these are the mods whose combinations are ignored by the keygrabbing code */ -static GdkModifierType msd_ignored_mods = 0; - -/* these are the ones we actually use for global keys, we always only check - * for these set */ -static GdkModifierType msd_used_mods = 0; - -static void -setup_modifiers (void) -{ - if (msd_used_mods == 0 || msd_ignored_mods == 0) { - GdkModifierType dynmods; - - /* default modifiers */ - msd_ignored_mods = \ - 0x2000 /*Xkb modifier*/ | GDK_LOCK_MASK | GDK_HYPER_MASK; - msd_used_mods = \ - GDK_SHIFT_MASK | GDK_CONTROL_MASK |\ - GDK_MOD1_MASK | GDK_MOD2_MASK | GDK_MOD3_MASK | GDK_MOD4_MASK |\ - GDK_MOD5_MASK | GDK_SUPER_MASK | GDK_META_MASK; - - /* NumLock can be assigned to varying keys so we need to - * resolve and ignore it specially */ - dynmods = 0; - egg_keymap_resolve_virtual_modifiers (gdk_keymap_get_default (), - EGG_VIRTUAL_NUM_LOCK_MASK, - &dynmods); - - msd_ignored_mods |= dynmods; - msd_used_mods &= ~dynmods; - } -} - -static void -grab_key_real (guint keycode, - GdkWindow *root, - gboolean grab, - int mask) -{ - if (grab) { - XGrabKey (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), - keycode, - mask, - GDK_WINDOW_XID (root), - True, - GrabModeAsync, - GrabModeAsync); - } else { - XUngrabKey (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), - keycode, - mask, - GDK_WINDOW_XID (root)); - } -} - -/* Grab the key. In order to ignore MSD_IGNORED_MODS we need to grab - * all combinations of the ignored modifiers and those actually used - * for the binding (if any). - * - * inspired by all_combinations from mate-panel/mate-panel/global-keys.c - * - * This may generate X errors. The correct way to use this is like: - * - * gdk_error_trap_push (); - * - * grab_key_unsafe (key, grab, screens); - * - * gdk_flush (); - * if (gdk_error_trap_pop ()) - * g_warning ("Grab failed, another application may already have access to key '%u'", - * key->keycode); - * - * This is not done in the function itself, to allow doing multiple grab_key - * operations with one flush only. - */ -#define N_BITS 32 -void -grab_key_unsafe (Key *key, - gboolean grab, - GSList *screens) -{ - int indexes[N_BITS]; /* indexes of bits we need to flip */ - int i; - int bit; - int bits_set_cnt; - int uppervalue; - guint mask; - - setup_modifiers (); - - mask = msd_ignored_mods & ~key->state & GDK_MODIFIER_MASK; - - bit = 0; - /* store the indexes of all set bits in mask in the array */ - for (i = 0; mask; ++i, mask >>= 1) { - if (mask & 0x1) { - indexes[bit++] = i; - } - } - - bits_set_cnt = bit; - - uppervalue = 1 << bits_set_cnt; - /* grab all possible modifier combinations for our mask */ - for (i = 0; i < uppervalue; ++i) { - GSList *l; - int j; - int result = 0; - - /* map bits in the counter to those in the mask */ - for (j = 0; j < bits_set_cnt; ++j) { - if (i & (1 << j)) { - result |= (1 << indexes[j]); - } - } - - for (l = screens; l; l = l->next) { - GdkScreen *screen = l->data; - guint *code; - - for (code = key->keycodes; *code; ++code) { - grab_key_real (*code, - gdk_screen_get_root_window (screen), - grab, - result | key->state); - } - } - } -} - -static gboolean -have_xkb (Display *dpy) -{ - static int have_xkb = -1; - - if (have_xkb == -1) { -#ifdef HAVE_X11_EXTENSIONS_XKB_H - int opcode, error_base, major, minor, xkb_event_base; - - have_xkb = XkbQueryExtension (dpy, - &opcode, - &xkb_event_base, - &error_base, - &major, - &minor) - && XkbUseExtension (dpy, &major, &minor); -#else - have_xkb = 0; -#endif - } - - return have_xkb; -} - -gboolean -key_uses_keycode (const Key *key, guint keycode) -{ - if (key->keycodes != NULL) { - guint *c; - - for (c = key->keycodes; *c; ++c) { - if (*c == keycode) - return TRUE; - } - } - return FALSE; -} - -gboolean -match_key (Key *key, XEvent *event) -{ - guint keyval; - GdkModifierType consumed; - gint group; - - if (key == NULL) - return FALSE; - - setup_modifiers (); - -#ifdef HAVE_X11_EXTENSIONS_XKB_H - if (have_xkb (event->xkey.display)) - group = XkbGroupForCoreState (event->xkey.state); - else -#endif - group = (event->xkey.state & GDK_Mode_switch) ? 1 : 0; - - /* Check if we find a keysym that matches our current state */ - if (gdk_keymap_translate_keyboard_state (NULL, event->xkey.keycode, - event->xkey.state, group, - &keyval, NULL, NULL, &consumed)) { - guint lower, upper; - - gdk_keyval_convert_case (keyval, &lower, &upper); - - /* If we are checking against the lower version of the - * keysym, we might need the Shift state for matching, - * so remove it from the consumed modifiers */ - if (lower == key->keysym) - consumed &= ~GDK_SHIFT_MASK; - - return ((lower == key->keysym || upper == key->keysym) - && (event->xkey.state & ~consumed & msd_used_mods) == key->state); - } - - /* The key we passed doesn't have a keysym, so try with just the keycode */ - return (key != NULL - && key->state == (event->xkey.state & msd_used_mods) - && key_uses_keycode (key, event->xkey.keycode)); -} -- cgit v1.2.1