X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Fgrab.c;h=3e1066ba0f31eda4379ce8321778123c2047a4c6;hb=7e946f68d9f8ec7c880664b437edbbaa5d49ac10;hp=dd880c5f37e300d08600cfd6d98d7cd8fbb2822a;hpb=d3dd25a55cf7e1837eaf45b04ed2d20392eb559b;p=chaz%2Fopenbox diff --git a/openbox/grab.c b/openbox/grab.c index dd880c5f..3e1066ba 100644 --- a/openbox/grab.c +++ b/openbox/grab.c @@ -1,6 +1,29 @@ +/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- + + grab.c for the Openbox window manager + Copyright (c) 2006 Mikael Magnusson + Copyright (c) 2003-2007 Dana Jansens + + 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. + + See the COPYING file for a copy of the GNU General Public License. +*/ + +#include "grab.h" +#include "modkeys.h" #include "openbox.h" #include "event.h" #include "xerror.h" +#include "screen.h" +#include "debug.h" #include #include @@ -11,59 +34,89 @@ #define MASK_LIST_SIZE 8 /*! A list of all possible combinations of keyboard lock masks */ -static unsigned int mask_list[MASK_LIST_SIZE]; +static guint mask_list[MASK_LIST_SIZE]; +static guint kgrabs = 0; +static guint pgrabs = 0; +/*! The time at which the last grab was made */ +static Time grab_time = CurrentTime; -gboolean grab_keyboard(gboolean grab) +static Time ungrab_time() { - static guint kgrabs = 0; - gboolean ret = FALSE; + Time t = event_curtime; + if (!(t == CurrentTime || event_time_after(t, grab_time))) + /* When the time moves backward on the server, then we can't use + the grab time because that will be in the future. So instead we + have to use CurrentTime. + + "XUngrabPointer does not release the pointer if the specified time + is earlier than the last-pointer-grab time or is later than the + current X server time." + */ + t = CurrentTime; /*grab_time;*/ + return t; +} - if (grab) { - if (kgrabs++ == 0) - ret = XGrabKeyboard(ob_display, ob_root, FALSE, GrabModeAsync, - GrabModeAsync, event_lasttime) == Success; - } else if (kgrabs > 0) { - if (--kgrabs == 0) - XUngrabKeyboard(ob_display, event_lasttime); - } - return ret; +gboolean grab_on_keyboard() +{ + return kgrabs > 0; +} + +gboolean grab_on_pointer() +{ + return pgrabs > 0; } -gboolean grab_pointer(gboolean grab, Cursor cur) +gboolean grab_keyboard(gboolean grab) { - static guint pgrabs = 0; gboolean ret = FALSE; if (grab) { - if (pgrabs++ == 0) - ret = XGrabPointer(ob_display, ob_root, False, GRAB_PTR_MASK, - GrabModeAsync, GrabModeAsync, FALSE, cur, - event_lasttime) == Success; - } else if (pgrabs > 0) { - if (--pgrabs == 0) - XUngrabPointer(ob_display, event_lasttime); + if (kgrabs++ == 0) { + ret = XGrabKeyboard(ob_display, RootWindow(ob_display, ob_screen), + False, GrabModeAsync, GrabModeAsync, + event_curtime) == Success; + if (!ret) + --kgrabs; + else + grab_time = event_curtime; + } else + ret = TRUE; + } else if (kgrabs > 0) { + if (--kgrabs == 0) { + XUngrabKeyboard(ob_display, ungrab_time()); + } + ret = TRUE; } + return ret; } -gboolean grab_pointer_window(gboolean grab, Cursor cur, Window win) +gboolean grab_pointer(gboolean grab, gboolean owner_events, ObCursor cur) { - static guint pgrabs = 0; gboolean ret = FALSE; if (grab) { - if (pgrabs++ == 0) - ret = XGrabPointer(ob_display, win, False, GRAB_PTR_MASK, - GrabModeAsync, GrabModeAsync, TRUE, cur, - event_lasttime) == Success; + if (pgrabs++ == 0) { + ret = XGrabPointer(ob_display, screen_support_win, owner_events, + GRAB_PTR_MASK, + GrabModeAsync, GrabModeAsync, None, + ob_cursor(cur), event_curtime) == Success; + if (!ret) + --pgrabs; + else + grab_time = event_curtime; + } else + ret = TRUE; } else if (pgrabs > 0) { - if (--pgrabs == 0) - XUngrabPointer(ob_display, event_lasttime); + if (--pgrabs == 0) { + XUngrabPointer(ob_display, ungrab_time()); + } + ret = TRUE; } return ret; } -int grab_server(gboolean grab) +gint grab_server(gboolean grab) { static guint sgrabs = 0; if (grab) { @@ -80,42 +133,48 @@ int grab_server(gboolean grab) return sgrabs; } -void grab_startup() +void grab_startup(gboolean reconfig) { guint i = 0; + guint num, caps, scroll; + + num = modkeys_key_to_mask(OB_MODKEY_KEY_NUMLOCK); + caps = modkeys_key_to_mask(OB_MODKEY_KEY_CAPSLOCK); + scroll = modkeys_key_to_mask(OB_MODKEY_KEY_SCROLLLOCK); mask_list[i++] = 0; - mask_list[i++] = LockMask; - mask_list[i++] = NumLockMask; - mask_list[i++] = LockMask | NumLockMask; - mask_list[i++] = ScrollLockMask; - mask_list[i++] = ScrollLockMask | LockMask; - mask_list[i++] = ScrollLockMask | NumLockMask; - mask_list[i++] = ScrollLockMask | LockMask | NumLockMask; + mask_list[i++] = num; + mask_list[i++] = caps; + mask_list[i++] = scroll; + mask_list[i++] = num | caps; + mask_list[i++] = num | scroll; + mask_list[i++] = caps | scroll; + mask_list[i++] = num | caps | scroll; g_assert(i == MASK_LIST_SIZE); } -void grab_shutdown() +void grab_shutdown(gboolean reconfig) { + if (reconfig) return; + while (grab_keyboard(FALSE)); - while (grab_pointer(FALSE, None)); - while (grab_pointer_window(FALSE, None, None)); + while (grab_pointer(FALSE, FALSE, OB_CURSOR_NONE)); while (grab_server(FALSE)); } void grab_button_full(guint button, guint state, Window win, guint mask, - int pointer_mode, Cursor cursor) + gint pointer_mode, ObCursor cur) { guint i; + xerror_set_ignore(TRUE); /* can get BadAccess from these */ + xerror_occured = FALSE; for (i = 0; i < MASK_LIST_SIZE; ++i) - XGrabButton(ob_display, button, state | mask_list[i], win, FALSE, mask, - pointer_mode, GrabModeSync, None, cursor); -} - -void grab_button(guint button, guint state, Window win, guint mask) -{ - grab_button_full(button, state, win, mask, GrabModeAsync, None); + XGrabButton(ob_display, button, state | mask_list[i], win, False, mask, + pointer_mode, GrabModeAsync, None, ob_cursor(cur)); + xerror_set_ignore(FALSE); + if (xerror_occured) + ob_debug("Failed to grab button %d modifiers %d", button, state); } void ungrab_button(guint button, guint state, Window win) @@ -126,7 +185,7 @@ void ungrab_button(guint button, guint state, Window win) XUngrabButton(ob_display, button, state | mask_list[i], win); } -void grab_key(guint keycode, guint state, Window win, int keyboard_mode) +void grab_key(guint keycode, guint state, Window win, gint keyboard_mode) { guint i; @@ -134,10 +193,10 @@ void grab_key(guint keycode, guint state, Window win, int keyboard_mode) xerror_occured = FALSE; for (i = 0; i < MASK_LIST_SIZE; ++i) XGrabKey(ob_display, keycode, state | mask_list[i], win, FALSE, - GrabModeSync, keyboard_mode); + GrabModeAsync, keyboard_mode); xerror_set_ignore(FALSE); if (xerror_occured) - g_warning("failed to grab keycode %d modifiers %d", keycode, state); + ob_debug("Failed to grab keycode %d modifiers %d", keycode, state); } void ungrab_all_keys(Window win)