/* event.c- event loop and handling
 *
 *  Window Maker window manager
 *
 *  Copyright (c) 1997-2003 Alfredo K. Kojima
 *  Copyright (c) 2014-2023 Window Maker Team
 *
 *  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.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "wconfig.h"

#ifdef HAVE_INOTIFY
#include <sys/select.h>
#include <sys/inotify.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <strings.h>
#include <time.h>
#include <errno.h>

#include "WindowMaker.h"
#include "window.h"
#include "actions.h"
#include "client.h"
#include "main.h"
#include "cycling.h"
#include "keybind.h"
#include "application.h"
#include "stacking.h"
#include "defaults.h"
#include "workspace.h"
#include "dock.h"
#include "framewin.h"
#include "properties.h"
#include "balloon.h"
#include "xinerama.h"
#include "rootmenu.h"
#include "colormap.h"
#include "screen.h"
#include "shutdown.h"
#include "misc.h"
#include "event.h"
#include "winmenu.h"
#include "switchmenu.h"
#include "wsmap.h"


#define MOD_MASK wPreferences.modifier_mask

/************ Local stuff ***********/

static void saveTimestamp(WMEvent *event);
static void handleColormapNotify(WMEvent *event);
static void handleMapNotify(WMEvent *event);
static void handleUnmapNotify(WMEvent *event);
static void handleButtonPress(WMEvent *event);
static void handleExpose(WMEvent *event);
static void handleDestroyNotify(WMEvent *event);
static void handleConfigureRequest(WMEvent *event);
static void handleMapRequest(WMEvent *event);
static void handlePropertyNotify(WMEvent *event);
static void handleEnterNotify(WMEvent *event);
static void handleLeaveNotify(WMEvent *event);
static void handleExtensions(WMEvent *event);
static void handleClientMessage(WMEvent *event);
static void handleKeyPress(WMEvent *event);
static void handleFocusIn(WMEvent *event);
static void handleMotionNotify(WMEvent *event);
static void handleVisibilityNotify(WMEvent *event);
/* inotify handling moved to x11_backend.c (x11_event_loop_run) */
static void wdelete_death_handler(WMagicNumber id);


/* real dead process handler */
static void handleDeadProcess(void);

typedef struct DeadProcesses {
	pid_t pid;
	unsigned char exit_status;
} DeadProcesses;

/* stack of dead processes */
static DeadProcesses deadProcesses[MAX_DEAD_PROCESSES];
static int deadProcessPtr = 0;

typedef struct DeathHandler {
	WDeathHandler *callback;
	pid_t pid;
	void *client_data;
} DeathHandler;

static WMArray *deathHandlers = NULL;

WMagicNumber wAddDeathHandler(pid_t pid, WDeathHandler * callback, void *cdata)
{
	DeathHandler *handler;

	handler = malloc(sizeof(DeathHandler));
	if (!handler)
		return 0;

	handler->pid = pid;
	handler->callback = callback;
	handler->client_data = cdata;

	if (!deathHandlers)
		deathHandlers = WMCreateArrayWithDestructor(8, free);

	WMAddToArray(deathHandlers, handler);

	return handler;
}

static void wdelete_death_handler(WMagicNumber id)
{
	DeathHandler *handler = (DeathHandler *) id;

	if (!handler || !deathHandlers)
		return;

	/* array destructor will call free(handler) */
	WMRemoveFromArray(deathHandlers, handler);
}

void DispatchEvent(WMEvent * event)
{

	if (deathHandlers)
		handleDeadProcess();

	if (WCHECK_STATE(WSTATE_NEED_EXIT)) {
		WCHANGE_STATE(WSTATE_EXITING);
		/* received SIGTERM */
		/*
		 * WMHandleEvent() can't be called from anything
		 * executed inside here, or we can get in a infinite
		 * recursive loop.
		 *
		 * In Wayland mode, calling wl_display_destroy() from a signal
		 * handler while wl_event_loop_dispatch() is active causes a
		 * double-free (glibc detects it as SIGABRT).  Instead, write a
		 * byte to the self-pipe; the event loop reads it and calls
		 * wl_display_terminate() from within loop context.  EventLoop()
		 * then calls Exit(0) after wl_display_run() returns.
		 */
		wm_backend->event_handle_signal_exit();

	} else if (WCHECK_STATE(WSTATE_NEED_RESTART)) {
		WCHANGE_STATE(WSTATE_RESTARTING);

		Shutdown(WSRestartPreparationMode);
		/* received SIGHUP */
		Restart(NULL, True);
	} else if (WCHECK_STATE(WSTATE_NEED_REREAD)) {
		WCHANGE_STATE(WSTATE_NORMAL);
		wDefaultsCheckDomains(NULL);
	}

	/* for the case that all that is wanted to be dispatched is
	 * the stuff above */
	if (!event)
		return;

	saveTimestamp(event);
	switch (event->type) {
	case WME_MAP_REQUEST:
		handleMapRequest(event);
		break;

	case WME_KEY_PRESS:
		handleKeyPress(event);
		break;

	case WME_MOTION:
		handleMotionNotify(event);
		break;

	case WME_CONFIGURE_REQUEST:
		handleConfigureRequest(event);
		break;

	case WME_DESTROY:
		handleDestroyNotify(event);
		break;

	case WME_MAP:
		handleMapNotify(event);
		break;

	case WME_UNMAP:
		handleUnmapNotify(event);
		break;

	case WME_BUTTON_PRESS:
		handleButtonPress(event);
		break;

	case WME_EXPOSE:
		handleExpose(event);
		break;

	case WME_PROPERTY:
		handlePropertyNotify(event);
		break;

	case WME_ENTER:
		handleEnterNotify(event);
		break;

	case WME_LEAVE:
		handleLeaveNotify(event);
		break;

	case WME_CLIENT_MESSAGE:
		handleClientMessage(event);
		break;

	case WME_COLORMAP:
		handleColormapNotify(event);
		break;

	case WME_MAPPING:
		if (event->u.mapping.request == WM_MAPPING_KEYBOARD || event->u.mapping.request == WM_MAPPING_MODIFIER)
			wm_backend->keyboard_mapping_refresh(event);
		break;

	case WME_FOCUS_IN:
		handleFocusIn(event);
		break;

	case WME_VISIBILITY:
		handleVisibilityNotify(event);
		break;

	case WME_CONFIGURE:
		wm_backend->event_randr_update(event);
		break;

	case WME_SELECTION_REQUEST:
		wm_backend->handle_selection_request(event);
		break;

	case WME_SELECTION_CLEAR:
		wm_backend->handle_selection_clear(event);
		break;

	default:
		handleExtensions(event);
		break;
	}
}

/*
 *----------------------------------------------------------------------
 * EventLoop-
 * 	Processes X and internal events indefinitely.
 *
 * Returns:
 * 	Never returns
 *
 * Side effects:
 * 	The LastTimestamp global variable is updated.
 *      Calls inotifyGetEvents if defaults database changes.
 *----------------------------------------------------------------------
 */
noreturn void EventLoop(void)
{
	wm_backend->event_loop_run();
	Exit(0);
}

/*
 *----------------------------------------------------------------------
 * ProcessPendingEvents --
 * 	Processes the events that are currently pending (at the time
 *      this function is called) in the display's queue.
 *
 * Returns:
 *      After the pending events that were present at the function call
 *      are processed.
 *
 * Side effects:
 * 	Many -- whatever handling events may involve.
 *
 *----------------------------------------------------------------------
 */
void ProcessPendingEvents(void)
{
	WMEvent event;
	int count;

	wm_backend->event_sync(False);

	/* Take a snapshot of the event count in the queue */
	count = wm_backend->event_pending();

	while (count > 0 && wm_backend->event_pending()) {
		WMNextEvent(wScreenWithNumber(0)->wmscreen, &event);
		WMHandleEvent(&event);
		count--;
	}
}

Bool IsDoubleClick(WScreen * scr, WBackendEvent * event)
{
	if ((scr->last_click_time > 0) &&
	    (event->u.button.time - scr->last_click_time <= wPreferences.dblclick_time)
	    && (event->u.button.button == (unsigned int)scr->last_click_button)
	    && (event->u.button.window == scr->last_click_window)) {

		scr->flags.next_click_is_not_double = 1;
		scr->last_click_time = 0;
		scr->last_click_window = event->u.button.window;

		return True;
	}
	return False;
}

void NotifyDeadProcess(pid_t pid, unsigned char status)
{
	if (deadProcessPtr >= MAX_DEAD_PROCESSES - 1) {
		wwarning("stack overflow: too many dead processes");
		return;
	}
	/* stack the process to be handled later,
	 * as this is called from the signal handler */
	deadProcesses[deadProcessPtr].pid = pid;
	deadProcesses[deadProcessPtr].exit_status = status;
	deadProcessPtr++;
}

static void handleDeadProcess(void)
{
	DeathHandler *tmp;
	int i;

	for (i = 0; i < deadProcessPtr; i++) {
		wWindowDeleteSavedStatesForPID(deadProcesses[i].pid);
	}

	if (!deathHandlers) {
		deadProcessPtr = 0;
		return;
	}

	/* get the pids on the queue and call handlers */
	while (deadProcessPtr > 0) {
		deadProcessPtr--;

		for (i = WMGetArrayItemCount(deathHandlers) - 1; i >= 0; i--) {
			tmp = WMGetFromArray(deathHandlers, i);
			if (!tmp)
				continue;

			if (tmp->pid == deadProcesses[deadProcessPtr].pid) {
				(*tmp->callback) (tmp->pid,
						  deadProcesses[deadProcessPtr].exit_status, tmp->client_data);
				wdelete_death_handler(tmp);
			}
		}
	}
}

static void saveTimestamp(WMEvent * event)
{
	/*
	 * Never save WM_CURRENT_TIME as LastTimestamp because WM_CURRENT_TIME
	 * it's not a real timestamp (it's the 0L constant)
	 */

	switch (event->type) {
	case WME_BUTTON_RELEASE:
	case WME_BUTTON_PRESS:
		w_global.timestamp.last_event = event->u.button.time;
		break;
	case WME_KEY_PRESS:
	case WME_KEY_RELEASE:
		w_global.timestamp.last_event = event->u.key.time;
		break;
	case WME_MOTION:
		w_global.timestamp.last_event = event->u.motion.time;
		break;
	case WME_PROPERTY:
		w_global.timestamp.last_event = event->u.property.time;
		break;
	case WME_ENTER:
	case WME_LEAVE:
		w_global.timestamp.last_event = event->u.crossing.time;
		break;
	case WME_SELECTION_CLEAR:
	case WME_SELECTION_REQUEST:
	case WME_SELECTION:
		w_global.timestamp.last_event = event->u.selection.time;
		if (event->type == WME_SELECTION)
			wm_backend->xdnd_process_selection(event);
		break;
	}
}

static int matchWindow(const void *item, const void *cdata)
{
	return (((WFakeGroupLeader *) item)->origLeader == (WNativeWindow)(unsigned long) cdata);
}

static void handleExtensions(WMEvent * event)
{
	wm_backend->event_handle_extensions(event);
}

static void handleMapRequest(WMEvent * ev)
{
	WWindow *wwin;
	WScreen *scr = NULL;
	WNativeWindow window = ev->u.mapRequest.window;

	wwin = wWindowFor(window);
	if (wwin != NULL) {
		if (wwin->flags.shaded) {
			wUnshadeWindow(wwin);
		}
		/* deiconify window */
		if (wwin->flags.miniaturized) {
			wDeiconifyWindow(wwin);
		} else if (wwin->flags.hidden) {
			WApplication *wapp = wApplicationOf(wwin->main_window);
			/* go to the last workspace that the user worked on the app */
			if (wapp) {
				wWorkspaceChange(wwin->screen_ptr, wapp->last_workspace);
			}
			wUnhideApplication(wapp, False, False);
		}
		return;
	}

	scr = wScreenForRootWindow(ev->u.mapRequest.parent);

	wwin = wManageWindow(scr, window);

	/*
	 * This is to let the Dock know that the application it launched
	 * has already been mapped (eg: it has finished launching).
	 * It is not necessary for normally docked apps, but is needed for
	 * apps that were forcedly docked (like with dockit).
	 */
	if (scr->last_dock) {
		if (wwin && wwin->main_window != WM_NATIVE_NONE && wwin->main_window != window)
			wDockTrackWindowLaunch(scr->last_dock, wwin->main_window);
		else
			wDockTrackWindowLaunch(scr->last_dock, window);
	}

	if (wwin) {
		wClientSetState(wwin, WM_STATE_NORMAL, WM_NATIVE_NONE);
		if (wwin->flags.maximized) {
			wMaximizeWindow(wwin, wwin->flags.maximized,
					wGetHeadForWindow(wwin));
		}
		if (wwin->flags.shaded) {
			wwin->flags.shaded = 0;
			wwin->flags.skip_next_animation = 1;
			wShadeWindow(wwin);
		}
		if (wwin->flags.miniaturized) {
			wwin->flags.miniaturized = 0;
			wwin->flags.skip_next_animation = 1;
			wIconifyWindow(wwin);
		}
		if (wwin->flags.fullscreen) {
			wwin->flags.fullscreen = 0;
			wFullscreenWindow(wwin);
		}
		if (wwin->flags.hidden) {
			WApplication *wapp = wApplicationOf(wwin->main_window);

			wwin->flags.hidden = 0;
			wwin->flags.skip_next_animation = 1;
			if (wapp) {
				wHideApplication(wapp);
			}
		}
	}
}

static void handleDestroyNotify(WMEvent * event)
{
	WWindow *wwin;
	WApplication *app;
	WNativeWindow window = event->u.lifecycle.window;
	WScreen *scr = wScreenForRootWindow(event->u.lifecycle.event);
	int widx;

	wwin = wWindowFor(window);
	if (wwin) {
		wUnmanageWindow(wwin, False, True);
	}

	if (scr != NULL) {
		while ((widx = WMFindInArray(scr->fakeGroupLeaders, matchWindow, (void *)window)) != WANotFound) {
			WFakeGroupLeader *fPtr;

			fPtr = WMGetFromArray(scr->fakeGroupLeaders, widx);
			if (fPtr->retainCount > 0) {
				fPtr->retainCount--;
				if (fPtr->retainCount == 0 && fPtr->leader != WM_NATIVE_NONE) {
					wm_backend->frame_destroy(NULL, (WNativeWindow)fPtr->leader);
					fPtr->leader = WM_NATIVE_NONE;
					wm_backend->event_flush();
				}
			}
			fPtr->origLeader = WM_NATIVE_NONE;
		}
	}

	app = wApplicationOf(window);
	if (app) {
		if (window == app->main_window) {
			app->refcount = 0;
			wwin = app->main_window_desc->screen_ptr->focused_window;
			while (wwin) {
				if (wwin->main_window == window) {
					wwin->main_window = WM_NATIVE_NONE;
				}
				wwin = wwin->prev;
			}
		}
		wApplicationDestroy(app);
	}
}

static void handleExpose(WMEvent * event)
{
	WObjDescriptor *desc;

	wm_backend->event_flush_window((WNativeWindow)event->u.expose.window, WME_EXPOSE);

	desc = wm_backend->context_find(event->u.expose.window, WM_CTX_CLIENT_WIN);
	if (!desc) {
		return;
	}

	if (desc->handle_expose) {
		(*desc->handle_expose) (desc, event);
	}
}

static void executeWheelAction(WScreen *scr, WMEvent *event, int action)
{
	WWindow *wwin;
	Bool next_direction;

	if (event->u.button.button == Button5 || event->u.button.button == Button6)
		next_direction = False;
	else
		next_direction = True;

	switch (action) {
	case WA_SWITCH_WORKSPACES:
		if (next_direction)
			wWorkspaceRelativeChange(scr, 1);
		else
			wWorkspaceRelativeChange(scr, -1);
		break;

	case WA_SWITCH_WINDOWS:
		wwin = scr->focused_window;
		if (next_direction)
			wWindowFocusNext(wwin, True);
		else
			wWindowFocusPrev(wwin, True);
		break;
	}
}

static void executeButtonAction(WScreen *scr, WMEvent *event, int action)
{
	WWindow *wwin;

	switch (action) {
	case WA_SELECT_WINDOWS:
		wUnselectWindows(scr);
		wSelectWindows(scr, event->u.button.x_root, event->u.button.y_root);
		if (wPreferences.close_rootmenu_left_right_click){
			WMenu *menu = NULL;
			WMPropList *definition;
			menu = scr->root_menu;
			if (scr->root_menu){
				wMenuDestroy(menu,True);
				scr->root_menu = NULL;
				definition = w_global.domain.root_menu->dictionary;
				menu = configureMenu(scr, definition);
				scr->root_menu = menu;
			}
		}
		break;
	case WA_OPEN_APPMENU:
		OpenRootMenu(scr, event->u.button.x_root, event->u.button.y_root, False);
		/* ugly hack */
		if (scr->root_menu) {
			if (scr->root_menu->brother->flags.mapped)
				event->u.button.window = scr->root_menu->brother->frame->core->window;
			else
				event->u.button.window = scr->root_menu->frame->core->window;
		}
		break;
	case WA_OPEN_WINLISTMENU:
		OpenSwitchMenu(scr, event->u.button.x_root, event->u.button.y_root, False);
		if (scr->switch_menu) {
			if (scr->switch_menu->brother->flags.mapped)
				event->u.button.window = scr->switch_menu->brother->frame->core->window;
			else
				event->u.button.window = scr->switch_menu->frame->core->window;
		}
		break;
	case WA_MOVE_PREVWORKSPACE:
		wWorkspaceRelativeChange(scr, -1);
		break;
	case WA_MOVE_NEXTWORKSPACE:
		wWorkspaceRelativeChange(scr, 1);
		break;
	case WA_MOVE_PREVWINDOW:
		wwin = scr->focused_window;
		wWindowFocusPrev(wwin, True);
		break;
	case WA_MOVE_NEXTWINDOW:
		wwin = scr->focused_window;
		wWindowFocusNext(wwin, True);
		break;
	}
}

/* bindable */
static void handleButtonPress(WMEvent * event)
{
	WObjDescriptor *desc;
	WScreen *scr;

	scr = wScreenForRootWindow(event->u.button.window);
	if (!scr)
		scr = wScreenWithNumber(0);

#ifdef BALLOON_TEXT
	wBalloonHide(scr);
#endif

	if (!wPreferences.disable_root_mouse && event->u.button.window == scr->root_win) {
		if (event->u.button.button == Button1 && wPreferences.mouse_button1 != WA_NONE) {
			executeButtonAction(scr, event, wPreferences.mouse_button1);
		} else if (event->u.button.button == Button2 && wPreferences.mouse_button2 != WA_NONE) {
			executeButtonAction(scr, event, wPreferences.mouse_button2);
		} else if (event->u.button.button == Button3 && wPreferences.mouse_button3 != WA_NONE) {
			executeButtonAction(scr, event, wPreferences.mouse_button3);
		} else if (event->u.button.button == Button8 && wPreferences.mouse_button8 != WA_NONE) {
			executeButtonAction(scr, event, wPreferences.mouse_button8);
		}else if (event->u.button.button == Button9 && wPreferences.mouse_button9 != WA_NONE) {
			executeButtonAction(scr, event, wPreferences.mouse_button9);
		} else if (event->u.button.button == Button4 && wPreferences.mouse_wheel_scroll != WA_NONE) {
			executeWheelAction(scr, event, wPreferences.mouse_wheel_scroll);
		} else if (event->u.button.button == Button5 && wPreferences.mouse_wheel_scroll != WA_NONE) {
			executeWheelAction(scr, event, wPreferences.mouse_wheel_scroll);
		} else if (event->u.button.button == Button6 && wPreferences.mouse_wheel_tilt != WA_NONE) {
			executeWheelAction(scr, event, wPreferences.mouse_wheel_tilt);
		} else if (event->u.button.button == Button7 && wPreferences.mouse_wheel_tilt != WA_NONE) {
			executeWheelAction(scr, event, wPreferences.mouse_wheel_tilt);
		}
	}

	desc = wm_backend->context_find(event->u.button.window, WM_CTX_CLIENT_WIN);
	if (!desc)
		desc = wm_backend->context_find(event->u.button.window, WM_CTX_CLIENT_WIN);
	if (!desc)
		return;

	if (desc->parent_type == WCLASS_WINDOW) {
		wm_backend->event_sync(0);

		if (event->u.button.state & ( MOD_MASK | WM_MOD_CONTROL )) {
			wm_backend->event_allow_async();
		} else {
			/*      if (wPreferences.focus_mode == WKF_CLICK) { */
			if (wPreferences.ignore_focus_click) {
				wm_backend->event_allow_async();
			}
			wm_backend->event_replay_pointer();
			/*      } */
		}
		wm_backend->event_sync(0);
	} else if (desc->parent_type == WCLASS_APPICON
		   || desc->parent_type == WCLASS_MINIWINDOW || desc->parent_type == WCLASS_DOCK_ICON) {
		if (event->u.button.state & MOD_MASK) {
			wm_backend->event_sync(0);
			wm_backend->event_allow_async();
			wm_backend->event_sync(0);
		}
	}

	if (desc->handle_mousedown != NULL) {
		(*desc->handle_mousedown) (desc, event);
	}

	/* save double-click information */
	if (scr->flags.next_click_is_not_double) {
		scr->flags.next_click_is_not_double = 0;
	} else {
		scr->last_click_time = event->u.button.time;
		scr->last_click_button = event->u.button.button;
		scr->last_click_window = event->u.button.window;
	}
}

static void handleMapNotify(WMEvent * event)
{
	WWindow *wwin;

	wwin = wWindowFor(event->u.lifecycle.event);
	if (wwin && wwin->client_win == event->u.lifecycle.event) {
		if (wwin->flags.miniaturized) {
			wDeiconifyWindow(wwin);
		} else {
			wm_backend->server_grab();
			wWindowMap(wwin);
			wClientSetState(wwin, WM_STATE_NORMAL, WM_NATIVE_NONE);
			wm_backend->server_ungrab();
		}
	}
}

static void handleUnmapNotify(WMEvent * event)
{
	WWindow *wwin;
	Bool withdraw = False;

	/* only process windows with StructureNotify selected
	 * (ignore SubstructureNotify) */
	wwin = wWindowFor(event->u.lifecycle.window);
	if (!wwin)
		return;

	/* whether the event is a Withdrawal request */
	if (event->u.lifecycle.event == wwin->screen_ptr->root_win) {
		withdraw = True;
	}

	if (wwin->client_win != event->u.lifecycle.window && !withdraw)
		return;

	if (!wwin->flags.mapped && !withdraw
	    && WIN_WORKSPACE(wwin) == wwin->screen_ptr->current_workspace
	    && !wwin->flags.miniaturized && !wwin->flags.hidden)
		return;

	wm_backend->server_grab();
	wm_backend->window_unmap((WNativeWindow)wwin->frame->core->window);
	wwin->flags.mapped = 0;
	wm_backend->event_sync(0);
	/* If a destroy event for the client window is already pending, skip
	 * the unmanage here — handleDestroyNotify will run it on the next
	 * event-loop iteration.  (Pre-Phase-30 code dispatched the destroy
	 * synchronously here via x11_translate_event(); that path used an
	 * uninitialized XEvent and never actually carried the destroy data,
	 * so it became dead code.  Letting the destroy flow through the
	 * normal dispatch is the correct fix.) */
	if (!wm_backend->event_check_window((WNativeWindow)wwin->client_win,
	                                     WME_DESTROY)) {
		Bool reparented = False;

		if (wm_backend->event_check_window((WNativeWindow)wwin->client_win, WME_REPARENT))
			reparented = True;

		/* withdraw window */
		wwin->flags.mapped = 0;
		if (!reparented)
			wClientSetState(wwin, WM_STATE_WITHDRAWN, WM_NATIVE_NONE);

		/* if the window was reparented, do not reparent it back to the
		 * root window */
		wUnmanageWindow(wwin, !reparented, False);
	}
	wm_backend->server_ungrab();
}

static void handleConfigureRequest(WMEvent * event)
{
	WWindow *wwin;

	wwin = wWindowFor(event->u.configureRequest.window);
	if (wwin == NULL) {
		/*
		 * Configure request for unmapped window
		 */
		wClientConfigure(NULL, event);
	} else {
		wClientConfigure(wwin, event);
	}
}

static void handlePropertyNotify(WMEvent * event)
{
	WWindow *wwin;
	WApplication *wapp;
	WNativeWindow jr;
	int ji;
	unsigned int ju;
	wwin = wWindowFor(event->u.property.window);

	if (wwin) {
		if (!wm_backend->window_exists((WNativeWindow)wwin->client_win)) {
			return;
		}
		wClientCheckProperty(wwin, event);
	}
	wapp = wApplicationOf(event->u.property.window);
	if (wapp) {
		wClientCheckProperty(wapp->main_window_desc, event);
	}
}

static void handleClientMessage(WMEvent * event)
{
	WWindow *wwin;
	WObjDescriptor *desc;

	/* handle transition from Normal to Iconic state */
	if (event->u.clientMessage.message_type == w_global.atom.wm.change_state
	    && event->u.clientMessage.format == 32 && event->u.clientMessage.data.l[0] == WM_STATE_ICONIC) {

		wwin = wWindowFor(event->u.clientMessage.window);
		if (!wwin)
			return;
		if (!wwin->flags.miniaturized)
			wIconifyWindow(wwin);
	} else if (event->u.clientMessage.message_type == w_global.atom.wm.colormap_notify && event->u.clientMessage.format == 32) {
		WScreen *scr = wScreenForRootWindow(event->u.clientMessage.window);

		if (!scr)
			return;

		if (event->u.clientMessage.data.l[1] == 1) {	/* starting */
			wColormapAllowClientInstallation(scr, True);
		} else {	/* stopping */
			wColormapAllowClientInstallation(scr, False);
		}
	} else if (event->u.clientMessage.message_type == w_global.atom.wmaker.command) {

		char *command;
		size_t len;

		len = sizeof(event->u.clientMessage.data.b);
		command = wmalloc(len + 1);
		strncpy(command, event->u.clientMessage.data.b, len);

		if (strncmp(command, "Reconfigure", sizeof("Reconfigure")) == 0) {
			wwarning(_("Got Reconfigure command"));
			wDefaultsCheckDomains(NULL);
		} else {
			wwarning(_("Got unknown command %s"), command);
		}

		wfree(command);

	} else if (event->u.clientMessage.message_type == w_global.atom.wmaker.wm_function) {
		WApplication *wapp;
		int done = 0;
		wapp = wApplicationOf(event->u.clientMessage.window);
		if (wapp) {
			switch (event->u.clientMessage.data.l[0]) {
			case WMFHideOtherApplications:
				wHideOtherApplications(wapp->main_window_desc);
				done = 1;
				break;

			case WMFHideApplication:
				wHideApplication(wapp);
				done = 1;
				break;
			}
		}
		if (!done) {
			wwin = wWindowFor(event->u.clientMessage.window);
			if (wwin) {
				switch (event->u.clientMessage.data.l[0]) {
				case WMFHideOtherApplications:
					wHideOtherApplications(wwin);
					break;

				case WMFHideApplication:
					wHideApplication(wApplicationOf(wwin->main_window));
					break;
				}
			}
		}
	} else if (event->u.clientMessage.message_type == w_global.atom.gnustep.wm_attr) {
		wwin = wWindowFor(event->u.clientMessage.window);
		if (!wwin)
			return;
		switch (event->u.clientMessage.data.l[0]) {
		case GSWindowLevelAttr:
			{
				int level = (int)event->u.clientMessage.data.l[1];

				if (WINDOW_LEVEL(wwin) != level) {
					ChangeStackingLevel(wwin->frame->core, level);
				}
			}
			break;
		}
	} else if (event->u.clientMessage.message_type == w_global.atom.gnustep.titlebar_state) {
		wwin = wWindowFor(event->u.clientMessage.window);
		if (!wwin)
			return;
		switch (event->u.clientMessage.data.l[0]) {
		case WMTitleBarNormal:
			wFrameWindowChangeState(wwin->frame, WS_UNFOCUSED);
			break;
		case WMTitleBarMain:
			wFrameWindowChangeState(wwin->frame, WS_PFOCUSED);
			break;
		case WMTitleBarKey:
			wFrameWindowChangeState(wwin->frame, WS_FOCUSED);
			break;
		}
	} else if (event->u.clientMessage.message_type == w_global.atom.wm.ignore_focus_events) {
		WScreen *scr = wScreenForRootWindow(event->u.clientMessage.window);
		if (!scr)
			return;
		scr->flags.ignore_focus_events = event->u.clientMessage.data.l[0] ? 1 : 0;
	} else if (wm_backend->netwm_process_client_message(event)) {
		/* do nothing */
	} else if (wm_backend->xdnd_process_client_message(event)) {
		/* do nothing */
	} else {
		/*
		 * Non-standard thing, but needed by OffiX DND.
		 * For when the icon frame gets a ClientMessage
		 * that should have gone to the icon_window.
		 */
		if ((desc = wm_backend->context_find(event->u.clientMessage.window, WM_CTX_CLIENT_WIN)) != NULL) {
			struct WIcon *icon = NULL;

			if (desc->parent_type == WCLASS_MINIWINDOW) {
				icon = (WIcon *) desc->parent;
			} else if (desc->parent_type == WCLASS_DOCK_ICON || desc->parent_type == WCLASS_APPICON) {
				icon = ((WAppIcon *) desc->parent)->icon;
			}
			if (icon && (wwin = icon->owner)) {
				if (wwin->client_win != event->u.clientMessage.window)
					wm_backend->client_message_forward(event, wwin->client_win);
			}
		}
	}
}

static void raiseWindow(WScreen * scr)
{
	WWindow *wwin;

	scr->autoRaiseTimer = NULL;

	wwin = wWindowFor(scr->autoRaiseWindow);
	if (!wwin)
		return;

	if (!wwin->flags.destroyed && wwin->flags.focused) {
		wRaiseFrame(wwin->frame->core);
		/* this is needed or a race condition will occur */
		wm_backend->event_sync(False);
	}
}

static void handleEnterNotify(WMEvent * event)
{
	WWindow *wwin;
	WObjDescriptor *desc = NULL;
	WScreen *scr = wScreenForRootWindow(event->u.crossing.window);

	/*
	 * If a Leave event for this window is already pending, the pointer
	 * has already left — skip the enter handler.  Pre-Phase-30 code
	 * peeked the leave event details and only skipped when mode/detail
	 * matched; that path went through an x11_translate_event() with an
	 * uninitialized XEvent and was therefore dead code (always reading
	 * stack garbage).  Treating any pending Leave as cause to skip is
	 * the conservative correct behaviour.
	 */
	if (wm_backend->event_check_window((WNativeWindow)event->u.crossing.window, WME_LEAVE)) {
		return;
	}

	desc = wm_backend->context_find(event->u.crossing.window, WM_CTX_CLIENT_WIN);
	if (desc) {
		if (desc->handle_enternotify) {
			(*desc->handle_enternotify) (desc, event);
		}
	}

	/* enter to window */
	wwin = wWindowFor(event->u.crossing.window);
	if (!wwin) {
		if (wPreferences.colormap_mode == WCM_POINTER) {
			wm_backend->colormap_install(scr, NULL);
		}
		if (scr->autoRaiseTimer && event->u.crossing.window == event->u.crossing.window) {
			WMDeleteTimerHandler(scr->autoRaiseTimer);
			scr->autoRaiseTimer = NULL;
		}
	} else {
		/* set auto raise timer even if in focus-follows-mouse mode
		 * and the event is for the frame window, even if the window
		 * has focus already.  useful if you move the pointer from a focused
		 * window to the root window and back pretty fast
		 *
		 * set focus if in focus-follows-mouse mode and the event
		 * is for the frame window and window doesn't have focus yet */
		if (wPreferences.focus_mode == WKF_SLOPPY
		    && wwin->frame->core->window == event->u.crossing.window && !scr->flags.doing_alt_tab) {

			if (!wwin->flags.focused && !WFLAGP(wwin, no_focusable))
				wSetFocusTo(scr, wwin);

			if (scr->autoRaiseTimer)
				WMDeleteTimerHandler(scr->autoRaiseTimer);
			scr->autoRaiseTimer = NULL;

			if (wPreferences.raise_delay && !WFLAGP(wwin, no_focusable)) {
				scr->autoRaiseWindow = wwin->frame->core->window;
				scr->autoRaiseTimer
				    = WMAddTimerHandler(wPreferences.raise_delay, (WMCallback *) raiseWindow, scr);
			}
		}
		/* Install colormap for window, if the colormap installation mode
		 * is colormap_follows_mouse */
		if (wPreferences.colormap_mode == WCM_POINTER) {
			if (wwin->client_win == event->u.crossing.window)
				wm_backend->colormap_install(scr, wwin);
			else
				wm_backend->colormap_install(scr, NULL);
		}
	}

	if (event->u.crossing.window == event->u.crossing.window
	    && event->u.crossing.detail == WM_NOTIFY_NORMAL
	    && event->u.crossing.detail != WM_NOTIFY_INFERIOR && wPreferences.focus_mode != WKF_CLICK) {

		wSetFocusTo(scr, scr->focused_window);
	}
#ifdef BALLOON_TEXT
	wBalloonEnteredObject(scr, desc);
#endif
}

static void handleLeaveNotify(WMEvent * event)
{
	WObjDescriptor *desc = NULL;

	desc = wm_backend->context_find(event->u.crossing.window, WM_CTX_CLIENT_WIN);
	if (desc) {
		if (desc->handle_leavenotify) {
			(*desc->handle_leavenotify) (desc, event);
		}
	}
}

static void handleColormapNotify(WMEvent * event)
{
	WWindow *wwin;
	WScreen *scr;
	Bool reinstall = False;

	wwin = wWindowFor(event->u.colormap.window);
	if (!wwin)
		return;

	scr = wwin->screen_ptr;

	do {
		if (wwin) {
			if (event->u.colormap.c_new) {
				WMNativeColormap cmap = 0;

				wm_backend->window_get_colormap((WNativeWindow)wwin->client_win, &cmap);

				if (wwin == scr->cmap_window && wwin->cmap_window_no == 0)
					scr->current_colormap = cmap;

				reinstall = True;
			} else if (event->u.colormap.state == ColormapUninstalled &&
				   scr->current_colormap == event->u.colormap.colormap) {

				/* some bastard app (like XV) removed our colormap */
				reinstall = False;
			} else if (event->u.colormap.state == ColormapInstalled &&
				   scr->current_colormap == event->u.colormap.colormap) {

				/* someone has put our colormap back */
				reinstall = False;
			}
		}
	} while (wm_backend->event_check_type(WME_COLORMAP, event)
		 && ((wwin = wWindowFor(event->u.colormap.window)) || 1));

	if (reinstall && scr->current_colormap != WM_NATIVE_NONE) {
		if (!scr->flags.colormap_stuff_blocked)
			wm_backend->colormap_install(scr, NULL);
	}
}

static void handleFocusIn(WMEvent * event)
{
	WWindow *wwin;

	/*
	 * For applications that like stealing the focus.
	 */
	wm_backend->event_flush_type(WME_FOCUS_IN);
	saveTimestamp(event);
	if (event->u.focus.mode == WM_NOTIFY_UNGRAB
	    || event->u.focus.mode == WM_NOTIFY_GRAB || event->u.focus.detail > WM_NOTIFY_NONLINEAR_VIRTUAL) {
		return;
	}

	wwin = wWindowFor(event->u.focus.window);
	if (wwin && !wwin->flags.focused) {
		if (wwin->flags.mapped)
			wSetFocusTo(wwin->screen_ptr, wwin);
		else
			wSetFocusTo(wwin->screen_ptr, NULL);
	} else if (!wwin) {
		WScreen *scr = wScreenForWindow(event->u.focus.window);
		if (scr)
			wSetFocusTo(scr, NULL);
	}
}

static WWindow *windowUnderPointer(WScreen * scr)
{
	unsigned int mask;
	int foo;
	WNativeWindow bar, win;

	win = (WNativeWindow)wm_backend->pointer_query_window((WNativeWindow)scr->root_win); if (win)
		return wWindowFor(win);
	return NULL;
}

static int CheckFullScreenWindowFocused(WScreen * scr)
{
	if (scr->focused_window && scr->focused_window->flags.fullscreen)
		return 1;
	else
		return 0;
}

/*
 * Phase 78: Wayland keyboard event dispatch.
 * Called from wl_backend's keyboard key listener with the XKB keycode and
 * modifier mask.  Scans wKeyBindings and dispatches the matching WM action.
 * Returns 1 if consumed (WM shortcut), 0 if the event should be forwarded.
 */
int wWaylandKeyPress(unsigned int keycode, unsigned int modifiers)
{
	WScreen *scr = wScreenWithNumber(0);
	if (!scr)
		return 0;

	WWindow *wwin = scr->focused_window;
	int modifiers_filtered = (int)(modifiers & (unsigned int)w_global.shortcut.modifiers_mask);
	int command = -1;
	short i;

	for (i = 0; i < WKBD_LAST; i++) {
		if (wKeyBindings[i].keycode == 0)
			continue;
		if ((unsigned int)wKeyBindings[i].keycode == keycode &&
		    wKeyBindings[i].modifier == modifiers_filtered) {
			command = i;
			break;
		}
	}

	if (command < 0)
		return 0; /* not a WM shortcut */

/* Reuse the ISMAPPED/ISFOCUSED macros defined inside handleKeyPress below. */
#ifndef ISMAPPED
#define ISMAPPED(w) ((w) && !(w)->flags.miniaturized && ((w)->flags.mapped || (w)->flags.shaded))
#define ISFOCUSED(w) ((w) && (w)->flags.focused)
#endif

	/* Dispatch WM shortcuts — identical to handleKeyPress switch but without
	 * XEvent arguments.  Only workspace/window commands that don't need an
	 * XEvent are included; pointer-position shortcuts use the virtual pointer. */
	switch (command) {
	case WKBD_MINIATURIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			CloseWindowMenu(scr);
			wIconifyWindow(wwin);
		}
		break;
	case WKBD_HIDE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			WApplication *wapp = wApplicationOf(wwin->main_window);
			CloseWindowMenu(scr);
			if (wapp && !WFLAGP(wapp->main_window_desc, no_appicon))
				wHideApplication(wapp);
		}
		break;
	case WKBD_MAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			CloseWindowMenu(scr);
			wMaximizeWindow(wwin, MAX_VERTICAL | MAX_HORIZONTAL,
			                wGetHeadForWindow(wwin));
		}
		break;
	case WKBD_VMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			CloseWindowMenu(scr);
			wMaximizeWindow(wwin, MAX_VERTICAL,
			                wGetHeadForWindow(wwin));
		}
		break;
	case WKBD_HMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			CloseWindowMenu(scr);
			wMaximizeWindow(wwin, MAX_HORIZONTAL,
			                wGetHeadForWindow(wwin));
		}
		break;
	case WKBD_RAISE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && wwin->frame) {
			CloseWindowMenu(scr);
			wRaiseFrame(wwin->frame->core);
		}
		break;
	case WKBD_LOWER:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && wwin->frame) {
			CloseWindowMenu(scr);
			wLowerFrame(wwin->frame->core);
		}
		break;
	case WKBD_CLOSE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			CloseWindowMenu(scr);
			if (wwin->protocols.DELETE_WINDOW && !WFLAGP(wwin, kill_close))
				wClientSendProtocol(wwin, w_global.atom.wm.delete_window,
				                    w_global.timestamp.last_event);
		}
		break;
	case WKBD_FOCUSNEXT:
		wWindowFocusNext(wwin, True);
		break;
	case WKBD_FOCUSPREV:
		wWindowFocusPrev(wwin, True);
		break;
	case WKBD_WORKSPACE1: case WKBD_WORKSPACE2: case WKBD_WORKSPACE3:
	case WKBD_WORKSPACE4: case WKBD_WORKSPACE5: case WKBD_WORKSPACE6:
	case WKBD_WORKSPACE7: case WKBD_WORKSPACE8: case WKBD_WORKSPACE9:
	case WKBD_WORKSPACE10:
		{
			int widx2 = command - WKBD_WORKSPACE1;
			int ws = (scr->current_workspace / 10) * 10 + widx2;
			if (wPreferences.ws_advance || ws < scr->workspace_count)
				wWorkspaceChange(scr, ws);
		}
		break;
	case WKBD_NEXTWORKSPACE:
		wWorkspaceRelativeChange(scr, 1);
		break;
	case WKBD_PREVWORKSPACE:
		wWorkspaceRelativeChange(scr, -1);
		break;
	default:
		/* Complex shortcuts that need XEvent (pointer coords, menus) are
		 * not dispatched here; return 0 so the caller forwards the key. */
		return 0;
	}

	return 1; /* consumed */
}

static void handleKeyPress(WMEvent * event)
{
	WScreen *scr = wScreenForRootWindow(event->window);
	WWindow *wwin = scr->focused_window;
	short i, widx;
	int modifiers;
	int command = -1;

	/* ignore CapsLock */
	modifiers = event->u.key.state & w_global.shortcut.modifiers_mask;

	for (i = 0; i < WKBD_LAST; i++) {
		if (wKeyBindings[i].keycode == 0)
			continue;

		if (wKeyBindings[i].keycode == event->u.key.keycode && (	/*wKeyBindings[i].modifier==0
									   || */ wKeyBindings[i].modifier ==
									      modifiers)) {
			command = i;
			break;
		}
	}

	if (command < 0) {

		if (!wRootMenuPerformShortcut(event)) {
			static int dontLoop = 0;

			if (dontLoop > 10) {
				wwarning("problem with key event processing code");
				return;
			}
			dontLoop++;
			/* if the focused window is an internal window, try redispatching
			 * the event to the managed window, as it can be a WINGs window */
			if (wwin && wwin->flags.internal_window && wwin->client_leader != WM_NATIVE_NONE) {
				/* client_leader contains the WINGs toplevel */
				event->window = wwin->client_leader;
				WMHandleEvent(event);
			}
			dontLoop--;
		}
		return;
	}
#define ISMAPPED(w) ((w) && !(w)->flags.miniaturized && ((w)->flags.mapped || (w)->flags.shaded))
#define ISFOCUSED(w) ((w) && (w)->flags.focused)

	switch (command) {

	case WKBD_ROOTMENU:
		/*OpenRootMenu(scr, event->u.key.x_root, event->u.key.y_root, True); */
		if (!CheckFullScreenWindowFocused(scr)) {
			WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
			OpenRootMenu(scr, rect.pos.x + rect.size.width / 2, rect.pos.y + rect.size.height / 2,
				     True);
		}
		break;
	case WKBD_WINDOWLIST:
		if (!CheckFullScreenWindowFocused(scr)) {
			WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
			OpenSwitchMenu(scr, rect.pos.x + rect.size.width / 2, rect.pos.y + rect.size.height / 2,
				       True);
		}
		break;

	case WKBD_WINDOWMENU:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin))
			if (wwin->frame)
			OpenWindowMenu(wwin, wwin->frame_x, wwin->frame_y + wwin->frame->top_width, True);
		break;
	case WKBD_MINIMIZEALL:
		CloseWindowMenu(scr);
		wHideAll(scr);
		break;
	case WKBD_MINIATURIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)
		    && !WFLAGP(wwin, no_miniaturizable)) {
			CloseWindowMenu(scr);

			if (wwin->protocols.MINIATURIZE_WINDOW)
				wClientSendProtocol(wwin, w_global.atom.gnustep.wm_miniaturize_window, event->u.key.time);
			else {
				wIconifyWindow(wwin);
			}
		}
		break;
	case WKBD_HIDE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			WApplication *wapp = wApplicationOf(wwin->main_window);
			CloseWindowMenu(scr);

			if (wapp && !WFLAGP(wapp->main_window_desc, no_appicon)) {
				wHideApplication(wapp);
			}
		}
		break;
	case WKBD_HIDE_OTHERS:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			CloseWindowMenu(scr);

			wHideOtherApplications(wwin);
		}
		break;
	case WKBD_MAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_VERTICAL | MAX_HORIZONTAL | MAX_KEYBOARD);
		}
		break;
	case WKBD_VMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_VERTICAL | MAX_KEYBOARD);
		}
		break;
	case WKBD_HMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_HORIZONTAL | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_CENTRAL:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_CENTRAL | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_LHMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_VERTICAL | MAX_LEFTHALF | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_RHMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_VERTICAL | MAX_RIGHTHALF | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_THMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_HORIZONTAL | MAX_TOPHALF | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_BHMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_HORIZONTAL | MAX_BOTTOMHALF | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_LTCMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_LEFTHALF | MAX_TOPHALF | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_RTCMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_RIGHTHALF | MAX_TOPHALF | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_LBCMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_LEFTHALF | MAX_BOTTOMHALF | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		 break;
	case WKBD_RBCMAXIMIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_RIGHTHALF | MAX_BOTTOMHALF | MAX_KEYBOARD);
			movePointerToWindowCenter(wwin);
		}
		break;
	case WKBD_MAXIMUS:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
			CloseWindowMenu(scr);

			handleMaximize(wwin, MAX_MAXIMUS | MAX_KEYBOARD);
		}
		break;
	case WKBD_KEEP_ON_TOP:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && wwin->frame) {
			CloseWindowMenu(scr);

			if (wwin->frame->core->stacking->window_level != WMFloatingLevel)
				ChangeStackingLevel(wwin->frame->core, WMFloatingLevel);
			else
				ChangeStackingLevel(wwin->frame->core, WMNormalLevel);
		}
		break;

	case WKBD_KEEP_AT_BOTTOM:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && wwin->frame) {
			CloseWindowMenu(scr);

			if (wwin->frame->core->stacking->window_level != WMSunkenLevel)
				ChangeStackingLevel(wwin->frame->core, WMSunkenLevel);
			else
				ChangeStackingLevel(wwin->frame->core, WMNormalLevel);
		}
		break;
	case WKBD_OMNIPRESENT:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			CloseWindowMenu(scr);

			wWindowSetOmnipresent(wwin, !wwin->flags.omnipresent);
		}
		break;
	case WKBD_RAISE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && wwin->frame) {
			CloseWindowMenu(scr);

			wRaiseFrame(wwin->frame->core);
		}
		break;
	case WKBD_LOWER:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && wwin->frame) {
			CloseWindowMenu(scr);

			wLowerFrame(wwin->frame->core);
		}
		break;
	case WKBD_RAISELOWER:
		/* raise or lower the window under the pointer, not the
		 * focused one
		 */
		wwin = windowUnderPointer(scr);
		if (wwin && wwin->frame)
			wRaiseLowerFrame(wwin->frame->core);
		break;
	case WKBD_SHADE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && !WFLAGP(wwin, no_shadeable)) {
			if (wwin->flags.shaded)
				wUnshadeWindow(wwin);
			else
				wShadeWindow(wwin);
		}
		break;
	case WKBD_MOVERESIZE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && (IS_RESIZABLE(wwin) || IS_MOVABLE(wwin))) {
			CloseWindowMenu(scr);

			wKeyboardMoveResizeWindow(wwin);
		}
		break;
	case WKBD_CLOSE:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && !WFLAGP(wwin, no_closable)) {
			CloseWindowMenu(scr);
			if (wwin->protocols.DELETE_WINDOW)
				wClientSendProtocol(wwin, w_global.atom.wm.delete_window, event->u.key.time);
		}
		break;
	case WKBD_SELECT:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			wSelectWindow(wwin, !wwin->flags.selected);
		}
		break;

	case WKBD_WORKSPACEMAP:
		if (wPreferences.enable_workspace_pager)
			StartWorkspaceMap(scr);
		break;

	case WKBD_FOCUSNEXT:
		StartWindozeCycle(wwin, event, True, False);
		break;

	case WKBD_FOCUSPREV:
		StartWindozeCycle(wwin, event, False, False);
		break;

	case WKBD_GROUPNEXT:
		StartWindozeCycle(wwin, event, True, True);
		break;

	case WKBD_GROUPPREV:
		StartWindozeCycle(wwin, event, False, True);
		break;

	case WKBD_WORKSPACE1 ... WKBD_WORKSPACE10:
		widx = command - WKBD_WORKSPACE1;
		i = (scr->current_workspace / 10) * 10 + widx;
		if (wPreferences.ws_advance || i < scr->workspace_count)
			wWorkspaceChange(scr, i);
		break;

	case WKBD_NEXTWORKSPACE:
		wWorkspaceRelativeChange(scr, 1);
		break;
	case WKBD_PREVWORKSPACE:
		wWorkspaceRelativeChange(scr, -1);
		break;
	case WKBD_LASTWORKSPACE:
		wWorkspaceChange(scr, scr->last_workspace);
		break;

	case WKBD_MOVE_WORKSPACE1 ... WKBD_MOVE_WORKSPACE10:
		widx = command - WKBD_MOVE_WORKSPACE1;
		i = (scr->current_workspace / 10) * 10 + widx;
		if (wwin && (wPreferences.ws_advance || i < scr->workspace_count))
			wWindowChangeWorkspace(wwin, i);
		break;

	case WKBD_MOVE_NEXTWORKSPACE:
		if (wwin)
			wWindowChangeWorkspaceRelative(wwin, 1);
		break;
	case WKBD_MOVE_PREVWORKSPACE:
		if (wwin)
			wWindowChangeWorkspaceRelative(wwin, -1);
		break;
	case WKBD_MOVE_LASTWORKSPACE:
		if (wwin)
			wWindowChangeWorkspace(wwin, scr->last_workspace);
		break;

	case WKBD_MOVE_NEXTWSLAYER:
	case WKBD_MOVE_PREVWSLAYER:
		{
			if (wwin) {
				int row, column;

				row = scr->current_workspace / 10;
				column = scr->current_workspace % 10;

				if (command == WKBD_MOVE_NEXTWSLAYER) {
					if ((row + 1) * 10 < scr->workspace_count)
						wWindowChangeWorkspace(wwin, column + (row + 1) * 10);
				} else {
					if (row > 0)
						wWindowChangeWorkspace(wwin, column + (row - 1) * 10);
				}
			}
		}
		break;

	case WKBD_WINDOW1:
	case WKBD_WINDOW2:
	case WKBD_WINDOW3:
	case WKBD_WINDOW4:
	case WKBD_WINDOW5:
	case WKBD_WINDOW6:
	case WKBD_WINDOW7:
	case WKBD_WINDOW8:
	case WKBD_WINDOW9:
	case WKBD_WINDOW10:

		widx = command - WKBD_WINDOW1;

		if (scr->shortcutWindows[widx]) {
			WMArray *list = scr->shortcutWindows[widx];
			int cw;
			int count = WMGetArrayItemCount(list);
			WWindow *twin;
			WMArrayIterator iter;
			WWindow *wwin;

			wUnselectWindows(scr);
			cw = scr->current_workspace;

			WM_ETARETI_ARRAY(list, wwin, iter) {
				if (count > 1)
					wWindowChangeWorkspace(wwin, cw);

				wMakeWindowVisible(wwin);

				if (count > 1)
					wSelectWindow(wwin, True);
			}

			/* rotate the order of windows, to create a cycling effect */
			twin = WMGetFromArray(list, 0);
			WMDeleteFromArray(list, 0);
			WMAddToArray(list, twin);

		} else if (wwin && ISMAPPED(wwin) && ISFOCUSED(wwin)) {
			if (scr->shortcutWindows[widx]) {
				WMFreeArray(scr->shortcutWindows[widx]);
				scr->shortcutWindows[widx] = NULL;
			}

			if (wwin->flags.selected && scr->selected_windows) {
				scr->shortcutWindows[widx] = WMDuplicateArray(scr->selected_windows);
				/*WMRemoveFromArray(scr->shortcutWindows[index], wwin);
				   WMInsertInArray(scr->shortcutWindows[index], 0, wwin); */
			} else {
				scr->shortcutWindows[widx] = WMCreateArray(4);
				WMAddToArray(scr->shortcutWindows[widx], wwin);
			}

			wSelectWindow(wwin, !wwin->flags.selected);
			wm_backend->event_flush();
			wusleep(3000);
			wSelectWindow(wwin, !wwin->flags.selected);
			wm_backend->event_flush();

		} else if (scr->selected_windows && WMGetArrayItemCount(scr->selected_windows)) {

			if (wwin->flags.selected && scr->selected_windows) {
				if (scr->shortcutWindows[widx]) {
					WMFreeArray(scr->shortcutWindows[widx]);
				}
				scr->shortcutWindows[widx] = WMDuplicateArray(scr->selected_windows);
			}
		}

		break;

	case WKBD_MOVE_12_TO_6_HEAD:
	case WKBD_MOVE_6_TO_12_HEAD:
		if (wwin)
			moveBetweenHeads(wwin, command - WKBD_MOVE_12_TO_6_HEAD);

		break;

	case WKBD_RELAUNCH:
		if (ISMAPPED(wwin) && ISFOCUSED(wwin))
			(void) RelaunchWindow(wwin);

		break;

	case WKBD_SWITCH_SCREEN:
		if (w_global.screen_count > 1) {
			WScreen *scr2;
			int i;

			/* find index of this screen */
			for (i = 0; i < w_global.screen_count; i++) {
				if (wScreenWithNumber(i) == scr)
					break;
			}
			i++;
			if (i >= w_global.screen_count) {
				i = 0;
			}
			scr2 = wScreenWithNumber(i);

			if (scr2) {
				wm_backend->pointer_warp_to(
					     scr2->scr_width / 2, scr2->scr_height / 2);
			}
		}
		break;

	case WKBD_RUN:
	{
		ExecuteInputCommand(scr, _("exec %A(Run, Type command:)"));
		break;
	}

	case WKBD_EXIT:
	{
		/* quick mode is not allowed to prevent inadvertently call */
		ExecuteExitCommand(scr, 0);
		break;
	}

	case WKBD_PRINTS:
	{
		ScreenCapture(scr, PRINT_SCREEN);
		break;
	}

	case WKBD_PRINTW:
	{
		ScreenCapture(scr, PRINT_WINDOW);
		break;
	}

	case WKBD_PRINTP:
	{
		ScreenCapture(scr, PRINT_PARTIAL);
		break;
	}

	case WKBD_NEXTWSLAYER:
	case WKBD_PREVWSLAYER:
		{
			int row, column;

			row = scr->current_workspace / 10;
			column = scr->current_workspace % 10;

			if (command == WKBD_NEXTWSLAYER) {
				if ((row + 1) * 10 < scr->workspace_count)
					wWorkspaceChange(scr, column + (row + 1) * 10);
			} else {
				if (row > 0)
					wWorkspaceChange(scr, column + (row - 1) * 10);
			}
		}
		break;
	case WKBD_CLIPRAISELOWER:
		if (!wPreferences.flags.noclip)
			wDockRaiseLower(scr->workspaces[scr->current_workspace]->clip);
		break;
	case WKBD_DOCKRAISELOWER:
		if (!wPreferences.flags.nodock)
			wDockRaiseLower(scr->dock);
		break;
#ifdef KEEP_XKB_LOCK_STATUS
	case WKBD_TOGGLE:
		if (wPreferences.modelock) {
			/*toggle */
			wwin = scr->focused_window;

			if (wwin && wwin->flags.mapped && wwin->frame
			    && WIN_WORKSPACE(wwin) == wwin->screen_ptr->current_workspace
			    && !wwin->flags.miniaturized && !wwin->flags.hidden) {
				int cur_group = wm_backend->xkb_get_group();

				wwin->frame->languagemode = wwin->frame->last_languagemode;
				wwin->frame->last_languagemode = cur_group;
				wm_backend->xkb_lock_group(wwin->frame->languagemode);

			}
		}
		break;
#endif	/* KEEP_XKB_LOCK_STATUS */
	}
}

#define CORNER_NONE 0
#define CORNER_TOPLEFT 1
#define CORNER_TOPRIGHT 2
#define CORNER_BOTTOMLEFT 3
#define CORNER_BOTTOMRIGHT 4

static int get_corner(WMRect rect, WMPoint p)
{
	if (p.x <= (rect.pos.x + wPreferences.hot_corner_edge) && p.y <= (rect.pos.y + wPreferences.hot_corner_edge))
		return CORNER_TOPLEFT;
	if (p.x >= (rect.pos.x + rect.size.width - wPreferences.hot_corner_edge) && p.y <= (rect.pos.y + wPreferences.hot_corner_edge))
		return CORNER_TOPRIGHT;
	if (p.x <= (rect.pos.x + wPreferences.hot_corner_edge) && p.y >= (rect.pos.y + rect.size.height - wPreferences.hot_corner_edge))
		return CORNER_BOTTOMLEFT;
	if (p.x >= (rect.pos.x + rect.size.width - wPreferences.hot_corner_edge) && p.y >= (rect.pos.y + rect.size.height - wPreferences.hot_corner_edge))
		return CORNER_BOTTOMRIGHT;
	return CORNER_NONE;
}

static void hotCornerDelay(void *data)
{
	WScreen *scr = (WScreen *) data;
	if (scr->flags.in_hot_corner && wPreferences.hot_corner_actions[scr->flags.in_hot_corner - 1])
		ExecuteShellCommand(scr, wPreferences.hot_corner_actions[scr->flags.in_hot_corner - 1]);
	WMDeleteTimerHandler(scr->hot_corner_timer);
	scr->hot_corner_timer = NULL;
}

static void handleMotionNotify(WMEvent *event)
{
	if (wPreferences.scrollable_menus || wPreferences.hot_corners) {
		WScreen *scr = wScreenForRootWindow(event->window);
		WMPoint p = wmkpoint(event->u.motion.x_root, event->u.motion.y_root);
		WMRect rect = wGetRectForHead(scr, wGetHeadForPoint(scr, p));

		if (wPreferences.hot_corners) {
			if (!scr->flags.in_hot_corner) {
				scr->flags.in_hot_corner = get_corner(rect, p);
				if (scr->flags.in_hot_corner && !scr->hot_corner_timer)
					scr->hot_corner_timer = WMAddTimerHandler(wPreferences.hot_corner_delay, hotCornerDelay, scr);
			} else {
				int out_hot_corner = 0;

				switch (scr->flags.in_hot_corner) {
					case CORNER_TOPLEFT:
						if ((p.x > (rect.pos.x + wPreferences.hot_corner_edge)) ||
						    (p.y > (rect.pos.y + wPreferences.hot_corner_edge)))
							out_hot_corner = 1;
						break;
					case CORNER_TOPRIGHT:
						if ((p.x < (rect.pos.x + rect.size.width - wPreferences.hot_corner_edge)) ||
						    (p.y > (rect.pos.y + wPreferences.hot_corner_edge)))
							out_hot_corner = 1;
						break;
					case CORNER_BOTTOMLEFT:
						if ((p.x > (rect.pos.x + wPreferences.hot_corner_edge)) ||
						    (p.y < (rect.pos.y + rect.size.height - wPreferences.hot_corner_edge)))
							out_hot_corner = 1;
						break;
					case CORNER_BOTTOMRIGHT:
						if ((p.x < (rect.pos.x + rect.size.width - wPreferences.hot_corner_edge)) ||
						    (p.y < (rect.pos.y + rect.size.height - wPreferences.hot_corner_edge)))
							out_hot_corner = 1;
						break;

				}
				if (out_hot_corner) {
					scr->flags.in_hot_corner = CORNER_NONE;
					if (scr->hot_corner_timer) {
						WMDeleteTimerHandler(scr->hot_corner_timer);
						scr->hot_corner_timer = NULL;
					}
				}

			}
		}

		if (wPreferences.scrollable_menus) {
			if (scr->flags.jump_back_pending ||
			    p.x <= (rect.pos.x + 1) ||
			    p.x >= (rect.pos.x + rect.size.width - 2) ||
			    p.y <= (rect.pos.y + 1) || p.y >= (rect.pos.y + rect.size.height - 2)) {
				WMenu *menu;

				menu = wMenuUnderPointer(scr);
				if (menu != NULL)
					wMenuScroll(menu);
			}
		}
	}
}

#undef CORNER_NONE
#undef CORNER_TOPLEFT
#undef CORNER_TOPRIGHT
#undef CORNER_BOTTOMLEFT
#undef CORNER_BOTTOMRIGHT

static void handleVisibilityNotify(WMEvent * event)
{
	WWindow *wwin;

	wwin = wWindowFor(event->u.visibility.window);
	if (!wwin)
		return;
	wwin->flags.obscured = (event->u.visibility.state == WM_VISIBILITY_FULLY_OBSCURED);
}

/* Selection request/clear handling moved to backend
 * (X11 backend: x11_handle_selection_request/clear; Wayland: no-op) */