139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
#include "openbox.h"
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#include "event.h"
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#include "xerror.h"
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#include <glib.h>
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#include <X11/Xlib.h>
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#define GRAB_PTR_MASK (ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
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#define GRAB_KEY_MASK (KeyPressMask | KeyReleaseMask)
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#define MASK_LIST_SIZE 8
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/*! A list of all possible combinations of keyboard lock masks */
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static unsigned int mask_list[MASK_LIST_SIZE];
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int grab_keyboard(gboolean grab)
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{
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static guint kgrabs = 0;
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if (grab) {
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if (kgrabs++ == 0)
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XGrabKeyboard(ob_display, ob_root, FALSE, GrabModeAsync,
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GrabModeAsync, event_lasttime);
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} else if (kgrabs > 0) {
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if (--kgrabs == 0)
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XUngrabKeyboard(ob_display, event_lasttime);
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}
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return kgrabs;
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}
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int grab_pointer(gboolean grab, Cursor cur)
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{
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static guint pgrabs = 0;
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if (grab) {
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if (pgrabs++ == 0)
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XGrabPointer(ob_display, ob_root, False, GRAB_PTR_MASK,
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GrabModeAsync, GrabModeAsync, FALSE, cur,
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event_lasttime);
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} else if (pgrabs > 0) {
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if (--pgrabs == 0)
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XUngrabPointer(ob_display, event_lasttime);
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}
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return pgrabs;
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}
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int grab_pointer_window(gboolean grab, Cursor cur, Window win)
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{
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static guint pgrabs = 0;
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if (grab) {
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if (pgrabs++ == 0)
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XGrabPointer(ob_display, win, False, GRAB_PTR_MASK, GrabModeAsync,
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GrabModeAsync, TRUE, cur, event_lasttime);
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} else if (pgrabs > 0) {
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if (--pgrabs == 0)
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XUngrabPointer(ob_display, event_lasttime);
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}
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return pgrabs;
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}
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int grab_server(gboolean grab)
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{
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static guint sgrabs = 0;
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if (grab) {
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if (sgrabs++ == 0) {
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XGrabServer(ob_display);
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XSync(ob_display, FALSE);
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}
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} else if (sgrabs > 0) {
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if (--sgrabs == 0) {
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XUngrabServer(ob_display);
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XFlush(ob_display);
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}
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}
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return sgrabs;
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}
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void grab_startup()
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{
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guint i = 0;
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mask_list[i++] = 0;
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mask_list[i++] = LockMask;
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mask_list[i++] = NumLockMask;
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mask_list[i++] = LockMask | NumLockMask;
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mask_list[i++] = ScrollLockMask;
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mask_list[i++] = ScrollLockMask | LockMask;
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mask_list[i++] = ScrollLockMask | NumLockMask;
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mask_list[i++] = ScrollLockMask | LockMask | NumLockMask;
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g_assert(i == MASK_LIST_SIZE);
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}
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void grab_shutdown()
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{
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while (grab_keyboard(FALSE));
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while (grab_pointer(FALSE, None));
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while (grab_pointer_window(FALSE, None, None));
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while (grab_server(FALSE));
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}
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void grab_button_full(guint button, guint state, Window win, guint mask,
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int pointer_mode, Cursor cursor)
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{
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guint i;
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for (i = 0; i < MASK_LIST_SIZE; ++i)
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XGrabButton(ob_display, button, state | mask_list[i], win, FALSE, mask,
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pointer_mode, GrabModeSync, None, cursor);
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}
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void grab_button(guint button, guint state, Window win, guint mask)
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{
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grab_button_full(button, state, win, mask, GrabModeAsync, None);
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}
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void ungrab_button(guint button, guint state, Window win)
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{
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guint i;
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for (i = 0; i < MASK_LIST_SIZE; ++i)
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XUngrabButton(ob_display, button, state | mask_list[i], win);
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}
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void grab_key(guint keycode, guint state, int keyboard_mode)
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{
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guint i;
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xerror_set_ignore(TRUE); /* can get BadAccess' from these */
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xerror_occured = FALSE;
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for (i = 0; i < MASK_LIST_SIZE; ++i)
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XGrabKey(ob_display, keycode, state | mask_list[i], ob_root, FALSE,
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GrabModeSync, keyboard_mode);
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xerror_set_ignore(FALSE);
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if (xerror_occured)
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g_warning("failed to grab keycode %d modifiers %d", keycode, state);
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}
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void ungrab_all_keys()
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{
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XUngrabKey(ob_display, AnyKey, AnyModifier, ob_root);
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}
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