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qwidget_x11.cpp

Last change on this file was 2, checked in by Dmitry A. Kuminov, 17 years ago
Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 103.1 KB

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1	/****************************************************************************
2	**
3	** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4	** Contact: Qt Software Information (qt-info@nokia.com)
5	**
6	** This file is part of the QtGui module of the Qt Toolkit.
7	**
8	** $QT_BEGIN_LICENSE:LGPL$
9	** Commercial Usage
10	** Licensees holding valid Qt Commercial licenses may use this file in
11	** accordance with the Qt Commercial License Agreement provided with the
12	** Software or, alternatively, in accordance with the terms contained in
13	** a written agreement between you and Nokia.
14	**
15	** GNU Lesser General Public License Usage
16	** Alternatively, this file may be used under the terms of the GNU Lesser
17	** General Public License version 2.1 as published by the Free Software
18	** Foundation and appearing in the file LICENSE.LGPL included in the
19	** packaging of this file. Please review the following information to
20	** ensure the GNU Lesser General Public License version 2.1 requirements
21	** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22	**
23	** In addition, as a special exception, Nokia gives you certain
24	** additional rights. These rights are described in the Nokia Qt LGPL
25	** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26	** package.
27	**
28	** GNU General Public License Usage
29	** Alternatively, this file may be used under the terms of the GNU
30	** General Public License version 3.0 as published by the Free Software
31	** Foundation and appearing in the file LICENSE.GPL included in the
32	** packaging of this file. Please review the following information to
33	** ensure the GNU General Public License version 3.0 requirements will be
34	** met: http://www.gnu.org/copyleft/gpl.html.
35	**
36	** If you are unsure which license is appropriate for your use, please
37	** contact the sales department at qt-sales@nokia.com.
38	** $QT_END_LICENSE$
39	**
40	****************************************************************************/
41
42	#include "qevent.h"
43	#include "qwidget.h"
44	#include "qdesktopwidget.h"
45	#include "qapplication.h"
46	#include "qapplication_p.h"
47	#include "qnamespace.h"
48	#include "qpainter.h"
49	#include "qbitmap.h"
50	#include "qlayout.h"
51	#include "qtextcodec.h"
52	#include "qdatetime.h"
53	#include "qcursor.h"
54	#include "qstack.h"
55	#include "qcolormap.h"
56	#include "qdebug.h"
57	#include "qmenu.h"
58	#include "private/qmenu_p.h"
59	#include "private/qbackingstore_p.h"
60	#include "private/qwindowsurface_x11_p.h"
61
62	//extern bool qt_sendSpontaneousEvent(QObject , QEvent ); //qapplication_x11.cpp
63
64	#include <private/qpixmap_x11_p.h>
65	#include <private/qpaintengine_x11_p.h>
66	#include "qt_x11_p.h"
67	#include "qx11info_x11.h"
68
69	#include <stdlib.h>
70
71	//#define ALIEN_DEBUG
72
73	// defined in qapplication_x11.cpp
74	//bool qt_wstate_iconified(WId);
75	//void qt_updated_rootinfo();
76
77
78	#if !defined(QT_NO_IM)
79	#include "qinputcontext.h"
80	#include "qinputcontextfactory.h"
81	#endif
82
83	#include "qwidget_p.h"
84
85	#define XCOORD_MAX 16383
86	#define WRECT_MAX 8191
87
88	QT_BEGIN_NAMESPACE
89
90	extern bool qt_nograb();
91
92	QWidget *QWidgetPrivate::mouseGrabber = 0;
93	QWidget *QWidgetPrivate::keyboardGrabber = 0;
94
95	void qt_net_remove_user_time(QWidget *tlw);
96	void qt_net_update_user_time(QWidget *tlw, unsigned long timestamp);
97
98	int qt_x11_create_desktop_on_screen = -1;
99
100	extern void qt_net_update_user_time(QWidget *tlw, unsigned long timestamp);
101
102	// MWM support
103	struct QtMWMHints {
104	ulong flags, functions, decorations;
105	long input_mode;
106	ulong status;
107	};
108
109	enum {
110	MWM_HINTS_FUNCTIONS = (1L << 0),
111
112	MWM_FUNC_ALL = (1L << 0),
113	MWM_FUNC_RESIZE = (1L << 1),
114	MWM_FUNC_MOVE = (1L << 2),
115	MWM_FUNC_MINIMIZE = (1L << 3),
116	MWM_FUNC_MAXIMIZE = (1L << 4),
117	MWM_FUNC_CLOSE = (1L << 5),
118
119	MWM_HINTS_DECORATIONS = (1L << 1),
120
121	MWM_DECOR_ALL = (1L << 0),
122	MWM_DECOR_BORDER = (1L << 1),
123	MWM_DECOR_RESIZEH = (1L << 2),
124	MWM_DECOR_TITLE = (1L << 3),
125	MWM_DECOR_MENU = (1L << 4),
126	MWM_DECOR_MINIMIZE = (1L << 5),
127	MWM_DECOR_MAXIMIZE = (1L << 6),
128
129	MWM_HINTS_INPUT_MODE = (1L << 2),
130
131	MWM_INPUT_MODELESS = 0L,
132	MWM_INPUT_PRIMARY_APPLICATION_MODAL = 1L,
133	MWM_INPUT_FULL_APPLICATION_MODAL = 3L
134	};
135
136
137	static QtMWMHints GetMWMHints(Display *display, Window window)
138	{
139	QtMWMHints mwmhints;
140
141	Atom type;
142	int format;
143	ulong nitems, bytesLeft;
144	uchar *data = 0;
145	if ((XGetWindowProperty(display, window, ATOM(_MOTIF_WM_HINTS), 0, 5, false,
146	ATOM(_MOTIF_WM_HINTS), &type, &format, &nitems, &bytesLeft,
147	&data) == Success)
148	&& (type == ATOM(_MOTIF_WM_HINTS)
149	&& format == 32
150	&& nitems >= 5)) {
151	mwmhints = (reinterpret_cast<QtMWMHints >(data));
152	} else {
153	mwmhints.flags = 0L;
154	mwmhints.functions = MWM_FUNC_ALL;
155	mwmhints.decorations = MWM_DECOR_ALL;
156	mwmhints.input_mode = 0L;
157	mwmhints.status = 0L;
158	}
159
160	if (data)
161	XFree(data);
162
163	return mwmhints;
164	}
165
166	static void SetMWMHints(Display *display, Window window, const QtMWMHints &mwmhints)
167	{
168	if (mwmhints.flags != 0l) {
169	XChangeProperty(display, window, ATOM(_MOTIF_WM_HINTS), ATOM(_MOTIF_WM_HINTS), 32,
170	PropModeReplace, (unsigned char *) &mwmhints, 5);
171	} else {
172	XDeleteProperty(display, window, ATOM(_MOTIF_WM_HINTS));
173	}
174	}
175
176	// Returns true if we should set WM_TRANSIENT_FOR on \a w
177	static inline bool isTransient(const QWidget *w)
178	{
179	return ((w->windowType() == Qt::Dialog
180	\|\| w->windowType() == Qt::Sheet
181	\|\| w->windowType() == Qt::Tool
182	\|\| w->windowType() == Qt::SplashScreen
183	\|\| w->windowType() == Qt::ToolTip
184	\|\| w->windowType() == Qt::Drawer
185	\|\| w->windowType() == Qt::Popup)
186	&& !w->testAttribute(Qt::WA_X11BypassTransientForHint));
187	}
188
189	static void do_size_hints(QWidget* widget, QWExtra *x);
190
191	/*****************************************************************************
192	QWidget member functions
193	*****************************************************************************/
194
195	const uint stdWidgetEventMask = // X event mask
196	(uint)(
197	KeyPressMask \| KeyReleaseMask \|
198	ButtonPressMask \| ButtonReleaseMask \|
199	KeymapStateMask \|
200	ButtonMotionMask \| PointerMotionMask \|
201	EnterWindowMask \| LeaveWindowMask \|
202	FocusChangeMask \|
203	ExposureMask \|
204	PropertyChangeMask \|
205	StructureNotifyMask
206	);
207
208	const uint stdDesktopEventMask = // X event mask
209	(uint)(
210	KeymapStateMask \|
211	EnterWindowMask \| LeaveWindowMask \|
212	PropertyChangeMask
213	);
214
215
216	/*
217	The qt_ functions below are implemented in qwidgetcreate_x11.cpp.
218	*/
219
220	Window qt_XCreateWindow(const QWidget *creator,
221	Display *display, Window parent,
222	int x, int y, uint w, uint h,
223	int borderwidth, int depth,
224	uint windowclass, Visual *visual,
225	ulong valuemask, XSetWindowAttributes *attributes);
226	Window qt_XCreateSimpleWindow(const QWidget *creator,
227	Display *display, Window parent,
228	int x, int y, uint w, uint h, int borderwidth,
229	ulong border, ulong background);
230	void qt_XDestroyWindow(const QWidget *destroyer,
231	Display *display, Window window);
232
233
234	static void qt_insert_sip(QWidget* scrolled_widget, int dx, int dy)
235	{
236	if (!scrolled_widget->isWindow() && !scrolled_widget->internalWinId())
237	return;
238	QX11Data::ScrollInProgress sip = { X11->sip_serial++, scrolled_widget, dx, dy };
239	X11->sip_list.append(sip);
240
241	XClientMessageEvent client_message;
242	client_message.type = ClientMessage;
243	client_message.window = scrolled_widget->internalWinId();
244	client_message.format = 32;
245	client_message.message_type = ATOM(_QT_SCROLL_DONE);
246	client_message.data.l[0] = sip.id;
247
248	XSendEvent(X11->display, scrolled_widget->internalWinId(), False, NoEventMask,
249	(XEvent*)&client_message);
250	}
251
252	static int qt_sip_count(QWidget* scrolled_widget)
253	{
254	int sips=0;
255
256	for (int i = 0; i < X11->sip_list.size(); ++i) {
257	const QX11Data::ScrollInProgress &sip = X11->sip_list.at(i);
258	if (sip.scrolled_widget == scrolled_widget)
259	sips++;
260	}
261
262	return sips;
263	}
264
265	static void create_wm_client_leader()
266	{
267	if (X11->wm_client_leader) return;
268
269	X11->wm_client_leader =
270	XCreateSimpleWindow(X11->display,
271	QX11Info::appRootWindow(),
272	0, 0, 1, 1, 0, 0, 0);
273
274	// set client leader property to itself
275	XChangeProperty(X11->display,
276	X11->wm_client_leader, ATOM(WM_CLIENT_LEADER),
277	XA_WINDOW, 32, PropModeReplace,
278	(unsigned char *)&X11->wm_client_leader, 1);
279
280	#ifndef QT_NO_SESSIONMANAGER
281	// If we are session managed, inform the window manager about it
282	QByteArray session = qApp->sessionId().toLatin1();
283	if (!session.isEmpty()) {
284	XChangeProperty(X11->display,
285	X11->wm_client_leader, ATOM(SM_CLIENT_ID),
286	XA_STRING, 8, PropModeReplace,
287	(unsigned char *)session.data(), session.size());
288	}
289	#endif
290	}
291
292	/*!
293	\internal
294	Update the X11 cursor of the widget w.
295	\a force is true if this function is called from dispatchEnterLeave, it means that the
296	mouse is actually directly under this widget.
297	*/
298	void qt_x11_enforce_cursor(QWidget * w, bool force)
299	{
300	if (!w->testAttribute(Qt::WA_WState_Created))
301	return;
302
303	static QPointer<QWidget> lastUnderMouse = 0;
304	if (force) {
305	lastUnderMouse = w;
306	} else if (lastUnderMouse && lastUnderMouse->effectiveWinId() == w->effectiveWinId()) {
307	w = lastUnderMouse;
308	} else if (!w->internalWinId()) {
309	return; //the mouse is not under this widget, and it's not native, so don't change it
310	}
311
312	while (!w->internalWinId() && w->parentWidget() && !w->isWindow() && !w->testAttribute(Qt::WA_SetCursor))
313	w = w->parentWidget();
314
315	QWidget *nativeParent = w;
316	if (!w->internalWinId())
317	nativeParent = w->nativeParentWidget();
318	// This does the same as effectiveWinId(), but since it is possible
319	// to not have a native parent widget due to a special hack in
320	// qwidget for reparenting widgets to a different X11 screen,
321	// added additional check to make sure native parent widget exists.
322	if (!nativeParent \|\| !nativeParent->internalWinId())
323	return;
324	WId winid = nativeParent->internalWinId();
325
326	if (w->isWindow() \|\| w->testAttribute(Qt::WA_SetCursor)) {
327	#ifndef QT_NO_CURSOR
328	QCursor *oc = QApplication::overrideCursor();
329	if (oc) {
330	XDefineCursor(X11->display, winid, oc->handle());
331	} else if (w->isEnabled()) {
332	XDefineCursor(X11->display, winid, w->cursor().handle());
333	} else {
334	// enforce the windows behavior of clearing the cursor on
335	// disabled widgets
336	XDefineCursor(X11->display, winid, XNone);
337	}
338	#endif
339	} else {
340	XDefineCursor(X11->display, winid, XNone);
341	}
342	}
343
344	Q_GUI_EXPORT void qt_x11_enforce_cursor(QWidget * w)
345	{
346	qt_x11_enforce_cursor(w, false);
347	}
348
349
350	Q_GUI_EXPORT void qt_x11_wait_for_window_manager(QWidget* w)
351	{
352	if (!w \|\| (!w->isWindow() && !w->internalWinId()))
353	return;
354	QApplication::flush();
355	XEvent ev;
356	QTime t;
357	t.start();
358	if (!w->testAttribute(Qt::WA_WState_Created))
359	return;
360	while (!XCheckTypedWindowEvent(X11->display, w->effectiveWinId(), ReparentNotify, &ev)) {
361	if (XCheckTypedWindowEvent(X11->display, w->effectiveWinId(), MapNotify, &ev))
362	break;
363	if (t.elapsed() > 500)
364	return; // give up, no event available
365	qApp->syncX(); // non-busy wait
366	}
367	qApp->x11ProcessEvent(&ev);
368	if (XCheckTypedWindowEvent(X11->display, w->effectiveWinId(), ConfigureNotify, &ev))
369	qApp->x11ProcessEvent(&ev);
370	}
371
372	void qt_change_net_wm_state(const QWidget* w, bool set, Atom one, Atom two = 0)
373	{
374	if (!w->isVisible()) // not managed by the window manager
375	return;
376
377	XEvent e;
378	e.xclient.type = ClientMessage;
379	e.xclient.message_type = ATOM(_NET_WM_STATE);
380	e.xclient.display = X11->display;
381	e.xclient.window = w->internalWinId();
382	e.xclient.format = 32;
383	e.xclient.data.l[0] = set ? 1 : 0;
384	e.xclient.data.l[1] = one;
385	e.xclient.data.l[2] = two;
386	e.xclient.data.l[3] = 0;
387	e.xclient.data.l[4] = 0;
388	XSendEvent(X11->display, RootWindow(X11->display, w->x11Info().screen()),
389	false, (SubstructureNotifyMask \| SubstructureRedirectMask), &e);
390	}
391
392	struct QX11WindowAttributes {
393	const XWindowAttributes *att;
394	};
395
396	void qt_x11_getX11InfoForWindow(QX11Info * xinfo, const XWindowAttributes &a)
397	{
398	QX11WindowAttributes att;
399	att.att = &a;
400	qt_x11_getX11InfoForWindow(xinfo,att);
401	}
402
403
404	static QVector<Atom> getNetWmState(QWidget *w)
405	{
406	QVector<Atom> returnValue;
407
408	// Don't read anything, just get the size of the property data
409	Atom actualType;
410	int actualFormat;
411	ulong propertyLength;
412	ulong bytesLeft;
413	uchar *propertyData = 0;
414	if (XGetWindowProperty(X11->display, w->internalWinId(), ATOM(_NET_WM_STATE), 0, 0,
415	False, XA_ATOM, &actualType, &actualFormat,
416	&propertyLength, &bytesLeft, &propertyData) == Success
417	&& actualType == XA_ATOM && actualFormat == 32) {
418	returnValue.resize(bytesLeft / 4);
419	XFree((char*) propertyData);
420
421	// fetch all data
422	if (XGetWindowProperty(X11->display, w->internalWinId(), ATOM(_NET_WM_STATE), 0,
423	returnValue.size(), False, XA_ATOM, &actualType, &actualFormat,
424	&propertyLength, &bytesLeft, &propertyData) != Success) {
425	returnValue.clear();
426	} else if (propertyLength != (ulong)returnValue.size()) {
427	returnValue.resize(propertyLength);
428	}
429
430	// put it into netWmState
431	if (!returnValue.isEmpty()) {
432	memcpy(returnValue.data(), propertyData, returnValue.size() * sizeof(Atom));
433	}
434	XFree((char*) propertyData);
435	}
436
437	return returnValue;
438	}
439
440	void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyOldWindow)
441	{
442	Q_Q(QWidget);
443	Qt::WindowType type = q->windowType();
444	Qt::WindowFlags &flags = data.window_flags;
445	QWidget *parentWidget = q->parentWidget();
446
447	if (type == Qt::ToolTip)
448	flags \|= Qt::WindowStaysOnTopHint \| Qt::FramelessWindowHint \| Qt::X11BypassWindowManagerHint;
449	if (type == Qt::Popup)
450	flags \|= Qt::X11BypassWindowManagerHint;
451
452	bool topLevel = (flags & Qt::Window);
453	bool popup = (type == Qt::Popup);
454	bool dialog = (type == Qt::Dialog
455	\|\| type == Qt::Sheet);
456	bool desktop = (type == Qt::Desktop);
457	bool tool = (type == Qt::Tool \|\| type == Qt::SplashScreen
458	\|\| type == Qt::ToolTip \|\| type == Qt::Drawer);
459
460	#ifdef ALIEN_DEBUG
461	qDebug() << "QWidgetPrivate::create_sys START:" << q << "topLevel?" << topLevel << "WId:"
462	<< window << "initializeWindow:" << initializeWindow << "destroyOldWindow" << destroyOldWindow;
463	#endif
464	if (topLevel) {
465	if (parentWidget) { // if our parent stays on top, so must we
466	QWidget *ptl = parentWidget->window();
467	if(ptl && (ptl->windowFlags() & Qt::WindowStaysOnTopHint))
468	flags \|= Qt::WindowStaysOnTopHint;
469	}
470
471	if (type == Qt::SplashScreen) {
472	if (X11->isSupportedByWM(ATOM(_NET_WM_WINDOW_TYPE_SPLASH))) {
473	flags &= ~Qt::X11BypassWindowManagerHint;
474	} else {
475	flags \|= Qt::X11BypassWindowManagerHint \| Qt::FramelessWindowHint;
476	}
477	}
478	// All these buttons depend on the system menu, so we enable it
479	if (flags & (Qt::WindowMinimizeButtonHint
480	\| Qt::WindowMaximizeButtonHint
481	\| Qt::WindowContextHelpButtonHint))
482	flags \|= Qt::WindowSystemMenuHint;
483	}
484
485
486	Window parentw, destroyw = 0;
487	WId id = 0;
488
489	// always initialize
490	if (!window)
491	initializeWindow = true;
492
493	if (desktop &&
494	qt_x11_create_desktop_on_screen >= 0 &&
495	qt_x11_create_desktop_on_screen != xinfo.screen()) {
496	// desktop on a certain screen other than the default requested
497	QX11InfoData *xd = &X11->screens[qt_x11_create_desktop_on_screen];
498	xinfo.setX11Data(xd);
499	} else if (parentWidget && parentWidget->d_func()->xinfo.screen() != xinfo.screen()) {
500	xinfo = parentWidget->d_func()->xinfo;
501	}
502
503	//get display, screen number, root window and desktop geometry for
504	//the current screen
505	Display *dpy = X11->display;
506	int scr = xinfo.screen();
507	Window root_win = RootWindow(dpy, scr);
508	int sw = DisplayWidth(dpy,scr);
509	int sh = DisplayHeight(dpy,scr);
510
511	if (desktop) { // desktop widget
512	dialog = popup = false; // force these flags off
513	data.crect.setRect(0, 0, sw, sh);
514	} else if (topLevel && !q->testAttribute(Qt::WA_Resized)) {
515	int width = sw / 2;
516	int height = 4 * sh / 10;
517	if (extra) {
518	width = qMax(qMin(width, extra->maxw), extra->minw);
519	height = qMax(qMin(height, extra->maxh), extra->minh);
520	}
521	data.crect.setSize(QSize(width, height));
522	}
523
524	parentw = topLevel ? root_win : parentWidget->effectiveWinId();
525
526	XSetWindowAttributes wsa;
527
528	if (window) { // override the old window
529	if (destroyOldWindow) {
530	if (topLevel)
531	X11->dndEnable(q, false);
532	destroyw = data.winid;
533	}
534	id = window;
535	setWinId(window);
536	XWindowAttributes a;
537	XGetWindowAttributes(dpy, window, &a);
538	data.crect.setRect(a.x, a.y, a.width, a.height);
539
540	if (a.map_state == IsUnmapped)
541	q->setAttribute(Qt::WA_WState_Visible, false);
542	else
543	q->setAttribute(Qt::WA_WState_Visible);
544
545	qt_x11_getX11InfoForWindow(&xinfo,a);
546
547	} else if (desktop) { // desktop widget
548	#ifdef QWIDGET_EXTRA_DEBUG
549	qDebug() << "create desktop";
550	#endif
551	id = (WId)parentw; // id = root window
552	// QWidget *otherDesktop = find(id); // is there another desktop?
553	// if (otherDesktop && otherDesktop->testWFlags(Qt::WPaintDesktop)) {
554	// otherDesktop->d->setWinId(0); // remove id from widget mapper
555	// d->setWinId(id); // make sure otherDesktop is
556	// otherDesktop->d->setWinId(id); // found first
557	// } else {
558	setWinId(id);
559	// }
560	} else if (topLevel \|\| q->testAttribute(Qt::WA_NativeWindow) \|\| paintOnScreen()) {
561	#ifdef QWIDGET_EXTRA_DEBUG
562	static int topLevels = 0;
563	static int children = 0;
564	if (parentw == root_win)
565	qDebug() << "create toplevel" << ++topLevels;
566	else
567	qDebug() << "create child" << ++children;
568	#endif
569	QRect safeRect = data.crect; //##### must handle huge sizes as well.... i.e. wrect
570	if (safeRect.width() < 1\|\| safeRect.height() < 1) {
571	if (topLevel) {
572	// top-levels must be at least 1x1
573	safeRect.setSize(safeRect.size().expandedTo(QSize(1, 1)));
574	} else {
575	// create it way off screen, and rely on
576	// setWSGeometry() to do the right thing with it later
577	safeRect = QRect(-1000,-1000,1,1);
578	}
579	}
580	#ifndef QT_NO_XRENDER
581	int screen = xinfo.screen();
582	if (topLevel && X11->use_xrender
583	&& xinfo.depth() != 32 && X11->argbVisuals[screen]
584	&& q->testAttribute(Qt::WA_TranslucentBackground))
585	{
586	QX11InfoData *xd = xinfo.getX11Data(true);
587
588	xd->screen = screen;
589	xd->visual = X11->argbVisuals[screen];
590	xd->colormap = X11->argbColormaps[screen];
591	xd->depth = 32;
592	xd->defaultVisual = false;
593	xd->defaultColormap = false;
594	xd->cells = xd->visual->map_entries;
595	xinfo.setX11Data(xd);
596	}
597	#endif
598	if (xinfo.defaultVisual() && xinfo.defaultColormap()) {
599	id = (WId)qt_XCreateSimpleWindow(q, dpy, parentw,
600	safeRect.left(), safeRect.top(),
601	safeRect.width(), safeRect.height(),
602	0,
603	BlackPixel(dpy, xinfo.screen()),
604	WhitePixel(dpy, xinfo.screen()));
605	} else {
606	wsa.background_pixel = WhitePixel(dpy, xinfo.screen());
607	wsa.border_pixel = BlackPixel(dpy, xinfo.screen());
608	wsa.colormap = xinfo.colormap();
609	id = (WId)qt_XCreateWindow(q, dpy, parentw,
610	safeRect.left(), safeRect.top(),
611	safeRect.width(), safeRect.height(),
612	0, xinfo.depth(), InputOutput,
613	(Visual *) xinfo.visual(),
614	CWBackPixel\|CWBorderPixel\|CWColormap,
615	&wsa);
616	}
617
618	setWinId(id); // set widget id/handle + hd
619	}
620
621	#ifndef QT_NO_XRENDER
622	if (picture) {
623	XRenderFreePicture(X11->display, picture);
624	picture = 0;
625	}
626
627	if (X11->use_xrender && !desktop && q->internalWinId()) {
628	XRenderPictFormat format = XRenderFindVisualFormat(dpy, (Visual ) xinfo.visual());
629	if (format)
630	picture = XRenderCreatePicture(dpy, id, format, 0, 0);
631	}
632	#endif // QT_NO_XRENDER
633
634	QtMWMHints mwmhints;
635	mwmhints.flags = 0L;
636	mwmhints.functions = 0L;
637	mwmhints.decorations = 0;
638	mwmhints.input_mode = 0L;
639	mwmhints.status = 0L;
640
641	if (topLevel) {
642	ulong wsa_mask = 0;
643	if (type != Qt::SplashScreen) { // && customize) {
644	mwmhints.flags \|= MWM_HINTS_DECORATIONS;
645
646	bool customize = flags & Qt::CustomizeWindowHint;
647	if (!(flags & Qt::FramelessWindowHint) && !(customize && !(flags & Qt::WindowTitleHint))) {
648	mwmhints.decorations \|= MWM_DECOR_BORDER;
649	mwmhints.decorations \|= MWM_DECOR_RESIZEH;
650
651	if (flags & Qt::WindowTitleHint)
652	mwmhints.decorations \|= MWM_DECOR_TITLE;
653
654	if (flags & Qt::WindowSystemMenuHint)
655	mwmhints.decorations \|= MWM_DECOR_MENU;
656
657	if (flags & Qt::WindowMinimizeButtonHint) {
658	mwmhints.decorations \|= MWM_DECOR_MINIMIZE;
659	mwmhints.functions \|= MWM_FUNC_MINIMIZE;
660	}
661
662	if (flags & Qt::WindowMaximizeButtonHint) {
663	mwmhints.decorations \|= MWM_DECOR_MAXIMIZE;
664	mwmhints.functions \|= MWM_FUNC_MAXIMIZE;
665	}
666
667	if (flags & Qt::WindowCloseButtonHint)
668	mwmhints.functions \|= MWM_FUNC_CLOSE;
669	}
670	} else {
671	// if type == Qt::SplashScreen
672	mwmhints.decorations = MWM_DECOR_ALL;
673	}
674
675	if (tool) {
676	wsa.save_under = True;
677	wsa_mask \|= CWSaveUnder;
678	}
679
680	if (flags & Qt::X11BypassWindowManagerHint) {
681	wsa.override_redirect = True;
682	wsa_mask \|= CWOverrideRedirect;
683	}
684
685	if (wsa_mask && initializeWindow) {
686	Q_ASSERT(id);
687	XChangeWindowAttributes(dpy, id, wsa_mask, &wsa);
688	}
689
690	if (mwmhints.functions != 0) {
691	mwmhints.flags \|= MWM_HINTS_FUNCTIONS;
692	mwmhints.functions \|= MWM_FUNC_MOVE \| MWM_FUNC_RESIZE;
693	} else {
694	mwmhints.functions = MWM_FUNC_ALL;
695	}
696
697	if (!(flags & Qt::FramelessWindowHint)
698	&& flags & Qt::CustomizeWindowHint
699	&& flags & Qt::WindowTitleHint
700	&& !(flags &
701	(Qt::WindowMinimizeButtonHint
702	\| Qt::WindowMaximizeButtonHint
703	\| Qt::WindowCloseButtonHint))) {
704	// a special case - only the titlebar without any button
705	mwmhints.flags = MWM_HINTS_FUNCTIONS;
706	mwmhints.functions = MWM_FUNC_MOVE \| MWM_FUNC_RESIZE;
707	mwmhints.decorations = 0;
708	}
709	}
710
711	if (!initializeWindow) {
712	// do no initialization
713	} else if (popup) { // popup widget
714	// set EWMH window types
715	setNetWmWindowTypes();
716
717	wsa.override_redirect = True;
718	wsa.save_under = True;
719	Q_ASSERT(id);
720	XChangeWindowAttributes(dpy, id, CWOverrideRedirect \| CWSaveUnder,
721	&wsa);
722	} else if (topLevel && !desktop) { // top-level widget
723	if (!X11->wm_client_leader)
724	create_wm_client_leader();
725
726	// note: WM_TRANSIENT_FOR is set in QWidgetPrivate::show_sys()
727
728	XSizeHints size_hints;
729	size_hints.flags = USSize \| PSize \| PWinGravity;
730	size_hints.x = data.crect.left();
731	size_hints.y = data.crect.top();
732	size_hints.width = data.crect.width();
733	size_hints.height = data.crect.height();
734	size_hints.win_gravity =
735	QApplication::isRightToLeft() ? NorthEastGravity : NorthWestGravity;
736
737	XWMHints wm_hints; // window manager hints
738	memset(&wm_hints, 0, sizeof(wm_hints)); // make valgrind happy
739	wm_hints.flags = InputHint \| StateHint \| WindowGroupHint;
740	wm_hints.input = True;
741	wm_hints.initial_state = NormalState;
742	wm_hints.window_group = X11->wm_client_leader;
743
744	XClassHint class_hint;
745	QByteArray appName = qAppName().toLatin1();
746	class_hint.res_name = appName.data(); // application name
747	class_hint.res_class = const_cast<char *>(QX11Info::appClass()); // application class
748
749	XSetWMProperties(dpy, id, 0, 0,
750	qApp->d_func()->argv, qApp->d_func()->argc,
751	&size_hints, &wm_hints, &class_hint);
752
753	XResizeWindow(dpy, id,
754	qBound(1, data.crect.width(), XCOORD_MAX),
755	qBound(1, data.crect.height(), XCOORD_MAX));
756	XStoreName(dpy, id, appName.data());
757	Atom protocols[4];
758	int n = 0;
759	protocols[n++] = ATOM(WM_DELETE_WINDOW); // support del window protocol
760	protocols[n++] = ATOM(WM_TAKE_FOCUS); // support take focus window protocol
761	protocols[n++] = ATOM(_NET_WM_PING); // support _NET_WM_PING protocol
762	if (flags & Qt::WindowContextHelpButtonHint)
763	protocols[n++] = ATOM(_NET_WM_CONTEXT_HELP);
764	XSetWMProtocols(dpy, id, protocols, n);
765
766	// set mwm hints
767	SetMWMHints(dpy, id, mwmhints);
768
769	// set EWMH window types
770	setNetWmWindowTypes();
771
772	// set _NET_WM_PID
773	long curr_pid = getpid();
774	XChangeProperty(dpy, id, ATOM(_NET_WM_PID), XA_CARDINAL, 32, PropModeReplace,
775	(unsigned char *) &curr_pid, 1);
776
777	// when we create a toplevel widget, the frame strut should be dirty
778	data.fstrut_dirty = 1;
779
780	// declare the widget's window role
781	if (QTLWExtra *topData = maybeTopData()) {
782	if (!topData->role.isEmpty()) {
783	QByteArray windowRole = topData->role.toUtf8();
784	XChangeProperty(dpy, id,
785	ATOM(WM_WINDOW_ROLE), XA_STRING, 8, PropModeReplace,
786	(unsigned char *)windowRole.constData(), windowRole.length());
787	}
788	}
789
790	// set client leader property
791	XChangeProperty(dpy, id, ATOM(WM_CLIENT_LEADER),
792	XA_WINDOW, 32, PropModeReplace,
793	(unsigned char *)&X11->wm_client_leader, 1);
794	} else {
795	// non-toplevel widgets don't have a frame, so no need to
796	// update the strut
797	data.fstrut_dirty = 0;
798	}
799
800	if (initializeWindow && q->internalWinId()) {
801	// don't erase when resizing
802	wsa.bit_gravity = QApplication::isRightToLeft() ? NorthEastGravity : NorthWestGravity;
803	Q_ASSERT(id);
804	XChangeWindowAttributes(dpy, id, CWBitGravity, &wsa);
805	}
806
807	// set X11 event mask
808	if (desktop) {
809	// QWidget* main_desktop = find(id);
810	// if (main_desktop->testWFlags(Qt::WPaintDesktop))
811	// XSelectInput(dpy, id, stdDesktopEventMask \| ExposureMask);
812	// else
813	XSelectInput(dpy, id, stdDesktopEventMask);
814	} else if (q->internalWinId()) {
815	XSelectInput(dpy, id, stdWidgetEventMask);
816	#if !defined (QT_NO_TABLET)
817	QTabletDeviceDataList *tablet_list = qt_tablet_devices();
818	if (X11->ptrXSelectExtensionEvent) {
819	for (int i = 0; i < tablet_list->size(); ++i) {
820	QTabletDeviceData tablet = tablet_list->at(i);
821	X11->ptrXSelectExtensionEvent(dpy, id, reinterpret_cast<XEventClass*>(tablet.eventList),
822	tablet.eventCount);
823	}
824	}
825	#endif
826	}
827
828	if (desktop) {
829	q->setAttribute(Qt::WA_WState_Visible);
830	} else if (topLevel) { // set X cursor
831	if (initializeWindow) {
832	qt_x11_enforce_cursor(q);
833
834	if (QTLWExtra *topData = maybeTopData())
835	if (!topData->caption.isEmpty())
836	setWindowTitle_helper(topData->caption);
837
838	//always enable dnd: it's not worth the effort to maintain the state
839	// NOTE: this always creates topData()
840	X11->dndEnable(q, true);
841
842	if (maybeTopData() && maybeTopData()->opacity != 255)
843	q->setWindowOpacity(maybeTopData()->opacity/255.);
844
845	}
846	} else if (q->testAttribute(Qt::WA_SetCursor) && q->internalWinId()) {
847	qt_x11_enforce_cursor(q);
848	}
849
850	if (extra && !extra->mask.isEmpty() && q->internalWinId())
851	XShapeCombineRegion(X11->display, q->internalWinId(), ShapeBounding, 0, 0,
852	extra->mask.handle(), ShapeSet);
853
854	if (q->hasFocus() && q->testAttribute(Qt::WA_InputMethodEnabled)) {
855	QInputContext *inputContext = q->inputContext();
856	if (inputContext)
857	inputContext->setFocusWidget(q);
858	}
859
860	if (destroyw)
861	qt_XDestroyWindow(q, dpy, destroyw);
862
863	// newly created windows are positioned at the window system's
864	// (0,0) position. If the parent uses wrect mapping to expand the
865	// coordinate system, we must also adjust this widget's window
866	// system position
867	if (!topLevel && !parentWidget->data->wrect.topLeft().isNull())
868	setWSGeometry();
869	else if (topLevel && (data.crect.width() == 0 \|\| data.crect.height() == 0))
870	q->setAttribute(Qt::WA_OutsideWSRange, true);
871
872	if (!topLevel && q->testAttribute(Qt::WA_NativeWindow) && q->testAttribute(Qt::WA_Mapped)) {
873	Q_ASSERT(q->internalWinId());
874	XMapWindow(X11->display, q->internalWinId());
875	// Ensure that mapped alien widgets are flushed immediately when re-created as native widgets.
876	if (QWindowSurface *surface = q->windowSurface())
877	surface->flush(q, q->rect(), q->mapTo(surface->window(), QPoint()));
878	}
879
880	#ifdef ALIEN_DEBUG
881	qDebug() << "QWidgetPrivate::create_sys END:" << q;
882	#endif
883	}
884
885	void QWidgetPrivate::x11UpdateIsOpaque()
886	{
887	#ifndef QT_NO_XRENDER
888	Q_Q(QWidget);
889	if (!q->testAttribute(Qt::WA_WState_Created) \|\| !q->testAttribute(Qt::WA_TranslucentBackground))
890	return;
891
892	bool topLevel = (data.window_flags & Qt::Window);
893	int screen = xinfo.screen();
894	if (topLevel && X11->use_xrender
895	&& X11->argbVisuals[screen] && xinfo.depth() != 32) {
896	// recreate widget
897	QPoint pos = q->pos();
898	bool visible = q->isVisible();
899	if (visible)
900	q->hide();
901	q->setParent(q->parentWidget(), q->windowFlags());
902	q->move(pos);
903	if (visible)
904	q->show();
905	}
906	#endif
907	}
908
909	void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
910	{
911	Q_D(QWidget);
912	if (!isWindow() && parentWidget())
913	parentWidget()->d_func()->invalidateBuffer(geometry());
914	d->deactivateWidgetCleanup();
915	if (testAttribute(Qt::WA_WState_Created)) {
916	setAttribute(Qt::WA_WState_Created, false);
917	QObjectList childList = children();
918	for (int i = 0; i < childList.size(); ++i) { // destroy all widget children
919	register QObject *obj = childList.at(i);
920	if (obj->isWidgetType())
921	static_cast<QWidget*>(obj)->destroy(destroySubWindows,
922	destroySubWindows);
923	}
924	if (QWidgetPrivate::mouseGrabber == this)
925	releaseMouse();
926	if (QWidgetPrivate::keyboardGrabber == this)
927	releaseKeyboard();
928	if (isWindow())
929	X11->deferred_map.removeAll(this);
930	if (isModal()) {
931	// just be sure we leave modal
932	QApplicationPrivate::leaveModal(this);
933	}
934	else if ((windowType() == Qt::Popup))
935	qApp->d_func()->closePopup(this);
936
937	#ifndef QT_NO_XRENDER
938	if (d->picture) {
939	if (destroyWindow)
940	XRenderFreePicture(X11->display, d->picture);
941	d->picture = 0;
942	}
943	#endif // QT_NO_XRENDER
944
945	// delete the _NET_WM_USER_TIME_WINDOW
946	qt_net_remove_user_time(this);
947
948	if ((windowType() == Qt::Desktop)) {
949	if (acceptDrops())
950	X11->dndEnable(this, false);
951	} else {
952	if (isWindow())
953	X11->dndEnable(this, false);
954	if (destroyWindow)
955	qt_XDestroyWindow(this, X11->display, data->winid);
956	}
957	d->setWinId(0);
958
959	extern void qPRCleanup(QWidget *widget); // from qapplication_x11.cpp
960	if (testAttribute(Qt::WA_WState_Reparented))
961	qPRCleanup(this);
962
963	if(d->ic) {
964	delete d->ic;
965	} else {
966	// release previous focus information participating with
967	// preedit preservation of qic
968	QInputContext *qic = inputContext();
969	if (qic)
970	qic->widgetDestroyed(this);
971	}
972	}
973	}
974
975	void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
976	{
977	Q_Q(QWidget);
978	#ifdef ALIEN_DEBUG
979	qDebug() << "QWidgetPrivate::setParent_sys START" << q << "parent:" << parent;
980	#endif
981	QX11Info old_xinfo = xinfo;
982	if (parent && parent->windowType() == Qt::Desktop) {
983	// make sure the widget is created on the same screen as the
984	// programmer specified desktop widget
985	xinfo = parent->d_func()->xinfo;
986	parent = 0;
987	}
988
989	QTLWExtra *topData = maybeTopData();
990	bool wasCreated = q->testAttribute(Qt::WA_WState_Created);
991	if (q->isVisible() && q->parentWidget() && parent != q->parentWidget())
992	q->parentWidget()->d_func()->invalidateBuffer(q->geometry());
993	extern void qPRCreate(const QWidget *, Window);
994	#ifndef QT_NO_CURSOR
995	QCursor oldcurs;
996	#endif
997
998	// dnd unregister (we will register again below)
999	if (q->testAttribute(Qt::WA_DropSiteRegistered))
1000	q->setAttribute(Qt::WA_DropSiteRegistered, false);
1001
1002	// if we are a top then remove our dnd prop for now
1003	// it will get rest later
1004	if (q->isWindow() && wasCreated)
1005	X11->dndEnable(q, false);
1006
1007	if (topData)
1008	qt_net_remove_user_time(q);
1009
1010	// QWidget *oldparent = q->parentWidget();
1011	WId old_winid = wasCreated ? data.winid : 0;
1012	if ((q->windowType() == Qt::Desktop))
1013	old_winid = 0;
1014	setWinId(0);
1015
1016	#ifndef QT_NO_XRENDER
1017	if (picture) {
1018	XRenderFreePicture(X11->display, picture);
1019	picture = 0;
1020	}
1021	#endif
1022
1023	// hide and reparent our own window away. Otherwise we might get
1024	// destroyed when emitting the child remove event below. See QWorkspace.
1025	if (wasCreated && old_winid) {
1026	XUnmapWindow(X11->display, old_winid);
1027	if (!old_xinfo.screen() != xinfo.screen())
1028	XReparentWindow(X11->display, old_winid, RootWindow(X11->display, xinfo.screen()), 0, 0);
1029	}
1030	if (topData) {
1031	topData->parentWinId = 0;
1032	// zero the frame strut and mark it dirty
1033	topData->frameStrut.setCoords(0, 0, 0, 0);
1034
1035	// reparenting from top-level, make sure show() works again
1036	topData->waitingForMapNotify = 0;
1037	topData->validWMState = 0;
1038	}
1039	data.fstrut_dirty = (!parent \|\| (f & Qt::Window)); // toplevels get a dirty framestrut
1040
1041	QObjectPrivate::setParent_helper(parent);
1042	bool explicitlyHidden = q->testAttribute(Qt::WA_WState_Hidden) && q->testAttribute(Qt::WA_WState_ExplicitShowHide);
1043
1044	data.window_flags = f;
1045	q->setAttribute(Qt::WA_WState_Created, false);
1046	q->setAttribute(Qt::WA_WState_Visible, false);
1047	q->setAttribute(Qt::WA_WState_Hidden, false);
1048	adjustFlags(data.window_flags, q);
1049	// keep compatibility with previous versions, we need to preserve the created state
1050	// (but we recreate the winId for the widget being reparented, again for compatibility)
1051	if (wasCreated \|\| (!q->isWindow() && parent->testAttribute(Qt::WA_WState_Created)))
1052	createWinId();
1053	if (q->isWindow() \|\| (!parent \|\| parent->isVisible()) \|\| explicitlyHidden)
1054	q->setAttribute(Qt::WA_WState_Hidden);
1055	q->setAttribute(Qt::WA_WState_ExplicitShowHide, explicitlyHidden);
1056
1057	if (wasCreated) {
1058	QObjectList chlist = q->children();
1059	for (int i = 0; i < chlist.size(); ++i) { // reparent children
1060	QObject *obj = chlist.at(i);
1061	if (obj->isWidgetType()) {
1062	QWidget w = (QWidget )obj;
1063	if (!w->testAttribute(Qt::WA_WState_Created))
1064	continue;
1065	if (xinfo.screen() != w->d_func()->xinfo.screen()) {
1066	// ### force setParent() to not shortcut out (because
1067	// ### we're setting the parent to the current parent)
1068	// ### setParent will add child back to the list
1069	// ### of children so we need to make sure the
1070	// ### widget won't be added twice.
1071	w->d_func()->parent = 0;
1072	this->children.removeOne(w);
1073	w->setParent(q);
1074	} else if (!w->isWindow()) {
1075	w->d_func()->invalidateBuffer(w->rect());
1076	if (w->internalWinId()) {
1077	if (w->testAttribute(Qt::WA_NativeWindow)) {
1078	QWidget *nativeParentWidget = w->nativeParentWidget();
1079	// Qt::WA_NativeWindow ensures that we always have a nativeParentWidget
1080	Q_ASSERT(nativeParentWidget != 0);
1081	QPoint p = w->mapTo(nativeParentWidget, QPoint());
1082	XReparentWindow(X11->display,
1083	w->internalWinId(),
1084	nativeParentWidget->internalWinId(),
1085	p.x(), p.y());
1086	} else {
1087	w->d_func()->setParent_sys(q, w->data->window_flags);
1088	}
1089	}
1090	} else if (isTransient(w)) {
1091	/*
1092	when reparenting toplevel windows with toplevel-transient children,
1093	we need to make sure that the window manager gets the updated
1094	WM_TRANSIENT_FOR information... unfortunately, some window managers
1095	don't handle changing WM_TRANSIENT_FOR before the toplevel window is
1096	visible, so we unmap and remap all toplevel-transient children after
1097	the toplevel parent has been mapped. thankfully, this is easy in Qt :)
1098
1099	note that the WM_TRANSIENT_FOR hint is actually updated in
1100	QWidgetPrivate::show_sys()
1101	*/
1102	if (w->internalWinId())
1103	XUnmapWindow(X11->display, w->internalWinId());
1104	QApplication::postEvent(w, new QEvent(QEvent::ShowWindowRequest));
1105	}
1106	}
1107	}
1108	qPRCreate(q, old_winid);
1109	updateSystemBackground();
1110
1111	if (old_winid) {
1112	Window *cmwret;
1113	int count;
1114	if (XGetWMColormapWindows(X11->display, old_winid, &cmwret, &count)) {
1115	Window *cmw;
1116	int cmw_size = sizeof(Window)*count;
1117	cmw = new Window[count];
1118	memcpy((char )cmw, (char )cmwret, cmw_size);
1119	XFree((char *)cmwret);
1120	int i;
1121	for (i=0; i<count; i++) {
1122	if (cmw[i] == old_winid) {
1123	cmw[i] = q->internalWinId();
1124	break;
1125	}
1126	}
1127	int top_count;
1128	if (XGetWMColormapWindows(X11->display, q->window()->internalWinId(),
1129	&cmwret, &top_count))
1130	{
1131	Window *merged_cmw = new Window[count + top_count];
1132	memcpy((char )merged_cmw, (char )cmw, cmw_size);
1133	memcpy((char )merged_cmw + cmw_size, (char )cmwret, sizeof(Window)*top_count);
1134	delete [] cmw;
1135	XFree((char *)cmwret);
1136	cmw = merged_cmw;
1137	count += top_count;
1138	}
1139
1140	XSetWMColormapWindows(X11->display, q->window()->internalWinId(), cmw, count);
1141	delete [] cmw;
1142	}
1143
1144	qt_XDestroyWindow(q, X11->display, old_winid);
1145	}
1146	}
1147
1148	// check if we need to register our dropsite
1149	if (q->testAttribute(Qt::WA_AcceptDrops)
1150	\|\| (!q->isWindow() && q->parentWidget() && q->parentWidget()->testAttribute(Qt::WA_DropSiteRegistered))) {
1151	q->setAttribute(Qt::WA_DropSiteRegistered, true);
1152	}
1153	#if !defined(QT_NO_IM)
1154	ic = 0;
1155	#endif
1156	invalidateBuffer(q->rect());
1157	#ifdef ALIEN_DEBUG
1158	qDebug() << "QWidgetPrivate::setParent_sys END" << q;
1159	#endif
1160	}
1161
1162
1163	QPoint QWidget::mapToGlobal(const QPoint &pos) const
1164	{
1165	Q_D(const QWidget);
1166	if (!testAttribute(Qt::WA_WState_Created) \|\| !internalWinId()) {
1167	QPoint p = pos + data->crect.topLeft();
1168	//cannot trust that !isWindow() implies parentWidget() before create
1169	return (isWindow() \|\| !parentWidget()) ? p : parentWidget()->mapToGlobal(p);
1170	}
1171	int x, y;
1172	Window child;
1173	QPoint p = d->mapToWS(pos);
1174	XTranslateCoordinates(X11->display, internalWinId(),
1175	QApplication::desktop()->screen(d->xinfo.screen())->internalWinId(),
1176	p.x(), p.y(), &x, &y, &child);
1177	return QPoint(x, y);
1178	}
1179
1180
1181	QPoint QWidget::mapFromGlobal(const QPoint &pos) const
1182	{
1183	Q_D(const QWidget);
1184	if (!testAttribute(Qt::WA_WState_Created) \|\| !internalWinId()) {
1185	//cannot trust that !isWindow() implies parentWidget() before create
1186	QPoint p = (isWindow() \|\| !parentWidget()) ? pos : parentWidget()->mapFromGlobal(pos);
1187	return p - data->crect.topLeft();
1188	}
1189	int x, y;
1190	Window child;
1191	XTranslateCoordinates(X11->display,
1192	QApplication::desktop()->screen(d->xinfo.screen())->internalWinId(),
1193	internalWinId(), pos.x(), pos.y(), &x, &y, &child);
1194	return d->mapFromWS(QPoint(x, y));
1195	}
1196
1197	void QWidgetPrivate::updateSystemBackground()
1198	{
1199	Q_Q(QWidget);
1200	if (!q->testAttribute(Qt::WA_WState_Created) \|\| !q->internalWinId())
1201	return;
1202	QBrush brush = q->palette().brush(QPalette::Active, q->backgroundRole());
1203	Qt::WindowType type = q->windowType();
1204	if (brush.style() == Qt::NoBrush
1205	\|\| q->testAttribute(Qt::WA_NoSystemBackground)
1206	\|\| q->testAttribute(Qt::WA_UpdatesDisabled)
1207	\|\| type == Qt::Popup \|\| type == Qt::ToolTip
1208	)
1209	XSetWindowBackgroundPixmap(X11->display, q->internalWinId(), XNone);
1210	else if (brush.style() == Qt::SolidPattern && brush.isOpaque())
1211	XSetWindowBackground(X11->display, q->internalWinId(),
1212	QColormap::instance(xinfo.screen()).pixel(brush.color()));
1213	else if (isBackgroundInherited())
1214	XSetWindowBackgroundPixmap(X11->display, q->internalWinId(), ParentRelative);
1215	else if (brush.style() == Qt::TexturePattern) {
1216	extern QPixmap qt_toX11Pixmap(const QPixmap &pixmap); // qpixmap_x11.cpp
1217	XSetWindowBackgroundPixmap(X11->display, q->internalWinId(),
1218	static_cast<QX11PixmapData*>(qt_toX11Pixmap(brush.texture()).data)->x11ConvertToDefaultDepth());
1219	} else
1220	XSetWindowBackground(X11->display, q->internalWinId(),
1221	QColormap::instance(xinfo.screen()).pixel(brush.color()));
1222	}
1223
1224	#ifndef QT_NO_CURSOR
1225	void QWidgetPrivate::setCursor_sys(const QCursor &)
1226	{
1227	Q_Q(QWidget);
1228	qt_x11_enforce_cursor(q);
1229	XFlush(X11->display);
1230	}
1231
1232	void QWidgetPrivate::unsetCursor_sys()
1233	{
1234	Q_Q(QWidget);
1235	qt_x11_enforce_cursor(q);
1236	XFlush(X11->display);
1237	}
1238	#endif
1239
1240	static XTextProperty*
1241	qstring_to_xtp(const QString& s)
1242	{
1243	static XTextProperty tp = { 0, 0, 0, 0 };
1244	static bool free_prop = true; // we can't free tp.value in case it references
1245	// the data of the static QCString below.
1246	if (tp.value) {
1247	if (free_prop)
1248	XFree(tp.value);
1249	tp.value = 0;
1250	free_prop = true;
1251	}
1252
1253	static const QTextCodec* mapper = QTextCodec::codecForLocale();
1254	int errCode = 0;
1255	if (mapper) {
1256	QByteArray mapped = mapper->fromUnicode(s);
1257	char* tl[2];
1258	tl[0] = mapped.data();
1259	tl[1] = 0;
1260	errCode = XmbTextListToTextProperty(X11->display, tl, 1, XStdICCTextStyle, &tp);
1261	#if defined(QT_DEBUG)
1262	if (errCode < 0)
1263	qDebug("qstring_to_xtp result code %d", errCode);
1264	#endif
1265	}
1266	if (!mapper \|\| errCode < 0) {
1267	static QByteArray qcs;
1268	qcs = s.toAscii();
1269	tp.value = (uchar*)qcs.data();
1270	tp.encoding = XA_STRING;
1271	tp.format = 8;
1272	tp.nitems = qcs.length();
1273	free_prop = false;
1274	}
1275
1276	// ### If we knew WM could understand unicode, we could use
1277	// ### a much simpler, cheaper encoding...
1278	/*
1279	tp.value = (XChar2b*)s.unicode();
1280	tp.encoding = XA_UNICODE; // wish
1281	tp.format = 16;
1282	tp.nitems = s.length();
1283	*/
1284
1285	return &tp;
1286	}
1287
1288	void QWidgetPrivate::setWindowTitle_sys(const QString &caption)
1289	{
1290	Q_Q(QWidget);
1291	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
1292	if (!q->internalWinId())
1293	return;
1294	XSetWMName(X11->display, q->internalWinId(), qstring_to_xtp(caption));
1295
1296	QByteArray net_wm_name = caption.toUtf8();
1297	XChangeProperty(X11->display, q->internalWinId(), ATOM(_NET_WM_NAME), ATOM(UTF8_STRING), 8,
1298	PropModeReplace, (unsigned char *)net_wm_name.data(), net_wm_name.size());
1299	}
1300
1301	void QWidgetPrivate::setWindowIcon_sys(bool forceReset)
1302	{
1303	Q_Q(QWidget);
1304	if (!q->testAttribute(Qt::WA_WState_Created))
1305	return;
1306	QTLWExtra *topData = this->topData();
1307	if (topData->iconPixmap && !forceReset)
1308	// already been set
1309	return;
1310
1311	XWMHints *h = 0;
1312	if (q->internalWinId())
1313	h = XGetWMHints(X11->display, q->internalWinId());
1314	XWMHints wm_hints;
1315	if (!h) {
1316	memset(&wm_hints, 0, sizeof(wm_hints)); // make valgrind happy
1317	h = &wm_hints;
1318	}
1319
1320	// preparing images to set the _NET_WM_ICON property
1321	QIcon icon = q->windowIcon();
1322	if (!icon.isNull()) {
1323	QList<QSize> availableSizes = icon.availableSizes();
1324	if(availableSizes.isEmpty()) {
1325	// try to use default sizes since the icon can be a scalable image like svg.
1326	availableSizes.push_back(QSize(16,16));
1327	availableSizes.push_back(QSize(32,32));
1328	availableSizes.push_back(QSize(64,64));
1329	availableSizes.push_back(QSize(128,128));
1330	}
1331	QVector<long> icon_data;
1332	for(int i = 0; i < availableSizes.size(); ++i) {
1333	QSize size = availableSizes.at(i);
1334	QPixmap pixmap = icon.pixmap(size);
1335	if (!pixmap.isNull()) {
1336	QImage image = pixmap.toImage().convertToFormat(QImage::Format_ARGB32);
1337	int pos = icon_data.size();
1338	icon_data.resize(pos + 2 + image.width()*image.height());
1339	icon_data[pos++] = image.width();
1340	icon_data[pos++] = image.height();
1341	if (sizeof(long) == sizeof(quint32)) {
1342	memcpy(icon_data.data() + pos, image.scanLine(0), image.numBytes());
1343	} else {
1344	for (int y = 0; y < image.height(); ++y) {
1345	uint scanLine = reinterpret_cast<uint >(image.scanLine(y));
1346	for (int x = 0; x < image.width(); ++x)
1347	icon_data[pos + y*image.width() + x] = scanLine[x];
1348	}
1349	}
1350	}
1351	}
1352	if (!icon_data.isEmpty()) {
1353	if (q->internalWinId()) {
1354	XChangeProperty(X11->display, q->internalWinId(), ATOM(_NET_WM_ICON), XA_CARDINAL, 32,
1355	PropModeReplace, (unsigned char *) icon_data.data(),
1356	icon_data.size());
1357	}
1358	extern QPixmap qt_toX11Pixmap(const QPixmap &pixmap);
1359	/*
1360	if the app is running on an unknown desktop, or it is not
1361	using the default visual, convert the icon to 1bpp as stated
1362	in the ICCCM section 4.1.2.4; otherwise, create the icon pixmap
1363	in the default depth (even though this violates the ICCCM)
1364	*/
1365	if (X11->desktopEnvironment == DE_UNKNOWN
1366	\|\| !QX11Info::appDefaultVisual(xinfo.screen())
1367	\|\| !QX11Info::appDefaultColormap(xinfo.screen())) {
1368	// unknown DE or non-default visual/colormap, use 1bpp bitmap
1369	if (!forceReset \|\| !topData->iconPixmap)
1370	topData->iconPixmap = new QBitmap(qt_toX11Pixmap(icon.pixmap(QSize(64,64))));
1371	h->icon_pixmap = topData->iconPixmap->handle();
1372	} else {
1373	// default depth, use a normal pixmap (even though this
1374	// violates the ICCCM), since this works on all DEs known to Qt
1375	if (!forceReset \|\| !topData->iconPixmap)
1376	topData->iconPixmap = new QPixmap(qt_toX11Pixmap(icon.pixmap(QSize(64,64))));
1377	h->icon_pixmap = static_cast<QX11PixmapData*>(topData->iconPixmap->data)->x11ConvertToDefaultDepth();
1378	}
1379	h->flags \|= IconPixmapHint;
1380	} else {
1381	h->flags &= ~(IconPixmapHint \| IconMaskHint);
1382	}
1383	}
1384
1385	if (q->internalWinId())
1386	XSetWMHints(X11->display, q->internalWinId(), h);
1387	if (h != &wm_hints)
1388	XFree((char *)h);
1389	}
1390
1391	void QWidgetPrivate::setWindowIconText_sys(const QString &iconText)
1392	{
1393	Q_Q(QWidget);
1394	if (!q->internalWinId())
1395	return;
1396	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
1397	XSetWMIconName(X11->display, q->internalWinId(), qstring_to_xtp(iconText));
1398
1399	QByteArray icon_name = iconText.toUtf8();
1400	XChangeProperty(X11->display, q->internalWinId(), ATOM(_NET_WM_ICON_NAME), ATOM(UTF8_STRING), 8,
1401	PropModeReplace, (unsigned char *) icon_name.constData(), icon_name.size());
1402	}
1403
1404
1405	void QWidget::grabMouse()
1406	{
1407	if (isVisible() && !qt_nograb()) {
1408	if (QWidgetPrivate::mouseGrabber && QWidgetPrivate::mouseGrabber != this)
1409	QWidgetPrivate::mouseGrabber->releaseMouse();
1410	Q_ASSERT(testAttribute(Qt::WA_WState_Created));
1411	#ifndef QT_NO_DEBUG
1412	int status =
1413	#endif
1414	XGrabPointer(X11->display, effectiveWinId(), False,
1415	(uint)(ButtonPressMask \| ButtonReleaseMask \|
1416	PointerMotionMask \| EnterWindowMask \|
1417	LeaveWindowMask),
1418	GrabModeAsync, GrabModeAsync,
1419	XNone, XNone, X11->time);
1420	#ifndef QT_NO_DEBUG
1421	if (status) {
1422	const char *s =
1423	status == GrabNotViewable ? "\"GrabNotViewable\"" :
1424	status == AlreadyGrabbed ? "\"AlreadyGrabbed\"" :
1425	status == GrabFrozen ? "\"GrabFrozen\"" :
1426	status == GrabInvalidTime ? "\"GrabInvalidTime\"" :
1427	"<?>";
1428	qWarning("QWidget::grabMouse: Failed with %s", s);
1429	}
1430	#endif
1431	QWidgetPrivate::mouseGrabber = this;
1432	}
1433	}
1434
1435
1436	#ifndef QT_NO_CURSOR
1437	void QWidget::grabMouse(const QCursor &cursor)
1438	{
1439	if (!qt_nograb()) {
1440	if (QWidgetPrivate::mouseGrabber && QWidgetPrivate::mouseGrabber != this)
1441	QWidgetPrivate::mouseGrabber->releaseMouse();
1442	Q_ASSERT(testAttribute(Qt::WA_WState_Created));
1443	#ifndef QT_NO_DEBUG
1444	int status =
1445	#endif
1446	XGrabPointer(X11->display, effectiveWinId(), False,
1447	(uint)(ButtonPressMask \| ButtonReleaseMask \|
1448	PointerMotionMask \| EnterWindowMask \| LeaveWindowMask),
1449	GrabModeAsync, GrabModeAsync,
1450	XNone, cursor.handle(), X11->time);
1451	#ifndef QT_NO_DEBUG
1452	if (status) {
1453	const char *s =
1454	status == GrabNotViewable ? "\"GrabNotViewable\"" :
1455	status == AlreadyGrabbed ? "\"AlreadyGrabbed\"" :
1456	status == GrabFrozen ? "\"GrabFrozen\"" :
1457	status == GrabInvalidTime ? "\"GrabInvalidTime\"" :
1458	"<?>";
1459	qWarning("QWidget::grabMouse: Failed with %s", s);
1460	}
1461	#endif
1462	QWidgetPrivate::mouseGrabber = this;
1463	}
1464	}
1465	#endif
1466
1467
1468	void QWidget::releaseMouse()
1469	{
1470	if (!qt_nograb() && QWidgetPrivate::mouseGrabber == this) {
1471	XUngrabPointer(X11->display, X11->time);
1472	XFlush(X11->display);
1473	QWidgetPrivate::mouseGrabber = 0;
1474	}
1475	}
1476
1477
1478	void QWidget::grabKeyboard()
1479	{
1480	if (!qt_nograb()) {
1481	if (QWidgetPrivate::keyboardGrabber && QWidgetPrivate::keyboardGrabber != this)
1482	QWidgetPrivate::keyboardGrabber->releaseKeyboard();
1483	XGrabKeyboard(X11->display, effectiveWinId(), False, GrabModeAsync, GrabModeAsync,
1484	X11->time);
1485	QWidgetPrivate::keyboardGrabber = this;
1486	}
1487	}
1488
1489
1490	void QWidget::releaseKeyboard()
1491	{
1492	if (!qt_nograb() && QWidgetPrivate::keyboardGrabber == this) {
1493	XUngrabKeyboard(X11->display, X11->time);
1494	QWidgetPrivate::keyboardGrabber = 0;
1495	}
1496	}
1497
1498
1499	QWidget *QWidget::mouseGrabber()
1500	{
1501	return QWidgetPrivate::mouseGrabber;
1502	}
1503
1504
1505	QWidget *QWidget::keyboardGrabber()
1506	{
1507	return QWidgetPrivate::keyboardGrabber;
1508	}
1509
1510	void QWidget::activateWindow()
1511	{
1512	Q_D(QWidget);
1513	QWidget *tlw = window();
1514	if (tlw->isVisible() && !tlw->d_func()->topData()->embedded && !X11->deferred_map.contains(tlw)) {
1515	if (X11->userTime == 0)
1516	X11->userTime = X11->time;
1517	qt_net_update_user_time(tlw, X11->userTime);
1518	XSetInputFocus(X11->display, tlw->internalWinId(), XRevertToParent, X11->time);
1519	}
1520	}
1521
1522	void QWidget::setWindowState(Qt::WindowStates newstate)
1523	{
1524	Q_D(QWidget);
1525	bool needShow = false;
1526	Qt::WindowStates oldstate = windowState();
1527	if (oldstate == newstate)
1528	return;
1529	if (isWindow()) {
1530	// Ensure the initial size is valid, since we store it as normalGeometry below.
1531	if (!testAttribute(Qt::WA_Resized) && !isVisible())
1532	adjustSize();
1533
1534	QTLWExtra *top = d->topData();
1535
1536	if ((oldstate & Qt::WindowMaximized) != (newstate & Qt::WindowMaximized)) {
1537	if (X11->isSupportedByWM(ATOM(_NET_WM_STATE_MAXIMIZED_HORZ))
1538	&& X11->isSupportedByWM(ATOM(_NET_WM_STATE_MAXIMIZED_VERT))) {
1539	if ((newstate & Qt::WindowMaximized) && !(oldstate & Qt::WindowFullScreen))
1540	top->normalGeometry = geometry();
1541	qt_change_net_wm_state(this, (newstate & Qt::WindowMaximized),
1542	ATOM(_NET_WM_STATE_MAXIMIZED_HORZ),
1543	ATOM(_NET_WM_STATE_MAXIMIZED_VERT));
1544	} else if (! (newstate & Qt::WindowFullScreen)) {
1545	if (newstate & Qt::WindowMaximized) {
1546	// save original geometry
1547	const QRect normalGeometry = geometry();
1548
1549	if (isVisible()) {
1550	data->fstrut_dirty = true;
1551	const QRect maxRect = QApplication::desktop()->availableGeometry(this);
1552	const QRect r = top->normalGeometry;
1553	const QRect fs = d->frameStrut();
1554	setGeometry(maxRect.x() + fs.left(),
1555	maxRect.y() + fs.top(),
1556	maxRect.width() - fs.left() - fs.right(),
1557	maxRect.height() - fs.top() - fs.bottom());
1558	top->normalGeometry = r;
1559	}
1560
1561	if (top->normalGeometry.width() < 0)
1562	top->normalGeometry = normalGeometry;
1563	} else {
1564	// restore original geometry
1565	setGeometry(top->normalGeometry);
1566	}
1567	}
1568	}
1569
1570	if ((oldstate & Qt::WindowFullScreen) != (newstate & Qt::WindowFullScreen)) {
1571	if (X11->isSupportedByWM(ATOM(_NET_WM_STATE_FULLSCREEN))) {
1572	if (newstate & Qt::WindowFullScreen) {
1573	top->normalGeometry = geometry();
1574	top->fullScreenOffset = d->frameStrut().topLeft();
1575	}
1576	qt_change_net_wm_state(this, (newstate & Qt::WindowFullScreen),
1577	ATOM(_NET_WM_STATE_FULLSCREEN));
1578	} else {
1579	needShow = isVisible();
1580
1581	if (newstate & Qt::WindowFullScreen) {
1582	data->fstrut_dirty = true;
1583	const QRect normalGeometry = geometry();
1584	const QPoint fullScreenOffset = d->frameStrut().topLeft();
1585
1586	top->savedFlags = windowFlags();
1587	setParent(0, Qt::Window \| Qt::FramelessWindowHint);
1588	const QRect r = top->normalGeometry;
1589	setGeometry(qApp->desktop()->screenGeometry(this));
1590	top->normalGeometry = r;
1591
1592	if (top->normalGeometry.width() < 0) {
1593	top->normalGeometry = normalGeometry;
1594	top->fullScreenOffset = fullScreenOffset;
1595	}
1596	} else {
1597	setParent(0, top->savedFlags);
1598
1599	if (newstate & Qt::WindowMaximized) {
1600	// from fullscreen to maximized
1601	data->fstrut_dirty = true;
1602	const QRect maxRect = QApplication::desktop()->availableGeometry(this);
1603	const QRect r = top->normalGeometry;
1604	const QRect fs = d->frameStrut();
1605	setGeometry(maxRect.x() + fs.left(),
1606	maxRect.y() + fs.top(),
1607	maxRect.width() - fs.left() - fs.right(),
1608	maxRect.height() - fs.top() - fs.bottom());
1609	top->normalGeometry = r;
1610	} else {
1611	// restore original geometry
1612	setGeometry(top->normalGeometry.adjusted(-top->fullScreenOffset.x(),
1613	-top->fullScreenOffset.y(),
1614	-top->fullScreenOffset.x(),
1615	-top->fullScreenOffset.y()));
1616	}
1617	}
1618	}
1619	}
1620
1621	createWinId();
1622	Q_ASSERT(testAttribute(Qt::WA_WState_Created));
1623	if ((oldstate & Qt::WindowMinimized) != (newstate & Qt::WindowMinimized)) {
1624	if (isVisible()) {
1625	if (newstate & Qt::WindowMinimized) {
1626	XEvent e;
1627	e.xclient.type = ClientMessage;
1628	e.xclient.message_type = ATOM(WM_CHANGE_STATE);
1629	e.xclient.display = X11->display;
1630	e.xclient.window = data->winid;
1631	e.xclient.format = 32;
1632	e.xclient.data.l[0] = IconicState;
1633	e.xclient.data.l[1] = 0;
1634	e.xclient.data.l[2] = 0;
1635	e.xclient.data.l[3] = 0;
1636	e.xclient.data.l[4] = 0;
1637	XSendEvent(X11->display,
1638	RootWindow(X11->display,d->xinfo.screen()),
1639	False, (SubstructureNotifyMask\|SubstructureRedirectMask), &e);
1640	} else {
1641	setAttribute(Qt::WA_Mapped);
1642	XMapWindow(X11->display, effectiveWinId());
1643	}
1644	}
1645
1646	needShow = false;
1647	}
1648	}
1649
1650	data->window_state = newstate;
1651
1652	if (needShow)
1653	show();
1654
1655	if (newstate & Qt::WindowActive)
1656	activateWindow();
1657
1658	QWindowStateChangeEvent e(oldstate);
1659	QApplication::sendEvent(this, &e);
1660	}
1661
1662	/*!
1663	\internal
1664	Platform-specific part of QWidget::show().
1665	*/
1666
1667	void QWidgetPrivate::show_sys()
1668	{
1669	Q_Q(QWidget);
1670	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
1671
1672	if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
1673	invalidateBuffer(q->rect());
1674	q->setAttribute(Qt::WA_Mapped);
1675	if (QTLWExtra *tlwExtra = maybeTopData())
1676	tlwExtra->waitingForMapNotify = 0;
1677	return;
1678	}
1679
1680	if (q->isWindow()) {
1681	XWMHints *h = XGetWMHints(X11->display, q->internalWinId());
1682	XWMHints wm_hints;
1683	bool got_hints = h != 0;
1684	if (!got_hints) {
1685	memset(&wm_hints, 0, sizeof(wm_hints)); // make valgrind happy
1686	h = &wm_hints;
1687	}
1688	h->initial_state = q->isMinimized() ? IconicState : NormalState;
1689	h->flags \|= StateHint;
1690	XSetWMHints(X11->display, q->internalWinId(), h);
1691	if (got_hints)
1692	XFree((char *)h);
1693
1694	// update WM_NORMAL_HINTS
1695	do_size_hints(q, extra);
1696
1697	// udpate WM_TRANSIENT_FOR
1698	if (isTransient(q)) {
1699	QWidget *p = q->parentWidget();
1700
1701	#ifndef QT_NO_MENU
1702	// hackish ... try to find the main window related to this QMenu
1703	if (qobject_cast<QMenu *>(q)) {
1704	p = static_cast<QMenuPrivate*>(this)->causedPopup.widget;
1705	if (!p)
1706	p = q->parentWidget();
1707	if (!p)
1708	p = QApplication::widgetAt(q->pos());
1709	if (!p)
1710	p = qApp->activeWindow();
1711	}
1712	#endif
1713	if (p)
1714	p = p->window();
1715	if (p) {
1716	// transient for window
1717	XSetTransientForHint(X11->display, q->internalWinId(), p->internalWinId());
1718	} else {
1719	// transient for group
1720	XSetTransientForHint(X11->display, q->internalWinId(), X11->wm_client_leader);
1721	}
1722	}
1723
1724	// update _MOTIF_WM_HINTS
1725	QtMWMHints mwmhints = GetMWMHints(X11->display, q->internalWinId());
1726
1727	if (data.window_modality != Qt::NonModal) {
1728	switch (data.window_modality) {
1729	case Qt::WindowModal:
1730	mwmhints.input_mode = MWM_INPUT_PRIMARY_APPLICATION_MODAL;
1731	break;
1732	case Qt::ApplicationModal:
1733	default:
1734	mwmhints.input_mode = MWM_INPUT_FULL_APPLICATION_MODAL;
1735	break;
1736	}
1737	mwmhints.flags \|= MWM_HINTS_INPUT_MODE;
1738	} else {
1739	mwmhints.input_mode = MWM_INPUT_MODELESS;
1740	mwmhints.flags &= ~MWM_HINTS_INPUT_MODE;
1741	}
1742
1743	if (q->minimumSize() == q->maximumSize()) {
1744	// fixed size, remove the resize handle (since mwm/dtwm
1745	// isn't smart enough to do it itself)
1746	mwmhints.flags \|= MWM_HINTS_FUNCTIONS;
1747	if (mwmhints.functions == MWM_FUNC_ALL) {
1748	mwmhints.functions = MWM_FUNC_MOVE;
1749	} else {
1750	mwmhints.functions &= ~MWM_FUNC_RESIZE;
1751	}
1752
1753	mwmhints.flags \|= MWM_HINTS_DECORATIONS;
1754	if (mwmhints.decorations == MWM_DECOR_ALL) {
1755	mwmhints.decorations = (MWM_DECOR_BORDER
1756	\| MWM_DECOR_TITLE
1757	\| MWM_DECOR_MENU);
1758	} else {
1759	mwmhints.decorations &= ~MWM_DECOR_RESIZEH;
1760	}
1761
1762	if (q->windowFlags() & Qt::WindowMinimizeButtonHint) {
1763	mwmhints.decorations \|= MWM_DECOR_MINIMIZE;
1764	mwmhints.functions \|= MWM_FUNC_MINIMIZE;
1765	}
1766	if (q->windowFlags() & Qt::WindowMaximizeButtonHint) {
1767	mwmhints.decorations \|= MWM_DECOR_MAXIMIZE;
1768	mwmhints.functions \|= MWM_FUNC_MAXIMIZE;
1769	}
1770	if (q->windowFlags() & Qt::WindowCloseButtonHint)
1771	mwmhints.functions \|= MWM_FUNC_CLOSE;
1772	}
1773
1774	SetMWMHints(X11->display, q->internalWinId(), mwmhints);
1775
1776	// update _NET_WM_STATE
1777	QVector<Atom> netWmState = getNetWmState(q);
1778
1779	Qt::WindowFlags flags = q->windowFlags();
1780	if (flags & Qt::WindowStaysOnTopHint) {
1781	if (flags & Qt::WindowStaysOnBottomHint)
1782	qWarning() << "QWidget: Incompatible window flags: the window can't be on top and on bottom at the same time";
1783	netWmState.append(ATOM(_NET_WM_STATE_ABOVE));
1784	netWmState.append(ATOM(_NET_WM_STATE_STAYS_ON_TOP));
1785	} else if (flags & Qt::WindowStaysOnBottomHint) {
1786	netWmState.append(ATOM(_NET_WM_STATE_BELOW));
1787	}
1788	if (q->isFullScreen()) {
1789	netWmState.append(ATOM(_NET_WM_STATE_FULLSCREEN));
1790	}
1791	if (q->isMaximized()) {
1792	netWmState.append(ATOM(_NET_WM_STATE_MAXIMIZED_HORZ));
1793	netWmState.append(ATOM(_NET_WM_STATE_MAXIMIZED_VERT));
1794	}
1795	if (data.window_modality != Qt::NonModal) {
1796	netWmState.append(ATOM(_NET_WM_STATE_MODAL));
1797	}
1798
1799	if (!netWmState.isEmpty()) {
1800	XChangeProperty(X11->display, q->internalWinId(),
1801	ATOM(_NET_WM_STATE), XA_ATOM, 32, PropModeReplace,
1802	(unsigned char *) netWmState.data(), netWmState.size());
1803	} else {
1804	XDeleteProperty(X11->display, q->internalWinId(), ATOM(_NET_WM_STATE));
1805	}
1806
1807	// set _NET_WM_USER_TIME
1808	Time userTime = X11->userTime;
1809	bool setUserTime = false;
1810	if (q->testAttribute(Qt::WA_ShowWithoutActivating)) {
1811	userTime = 0;
1812	setUserTime = true;
1813	} else if (userTime != CurrentTime) {
1814	setUserTime = true;
1815	}
1816	if (setUserTime)
1817	qt_net_update_user_time(q, userTime);
1818
1819	if (!topData()->embedded
1820	&& (topData()->validWMState \|\| topData()->waitingForMapNotify)
1821	&& !q->isMinimized()) {
1822	X11->deferred_map.append(q);
1823	return;
1824	}
1825
1826	if (q->isMaximized() && !q->isFullScreen()
1827	&& !(X11->isSupportedByWM(ATOM(_NET_WM_STATE_MAXIMIZED_HORZ))
1828	&& X11->isSupportedByWM(ATOM(_NET_WM_STATE_MAXIMIZED_VERT)))) {
1829	XMapWindow(X11->display, q->internalWinId());
1830	data.fstrut_dirty = true;
1831	qt_x11_wait_for_window_manager(q);
1832
1833	// if the wm was not smart enough to adjust our size, do that manually
1834	QRect maxRect = QApplication::desktop()->availableGeometry(q);
1835
1836	QTLWExtra *top = topData();
1837	QRect normalRect = top->normalGeometry;
1838	const QRect fs = frameStrut();
1839
1840	q->setGeometry(maxRect.x() + fs.left(),
1841	maxRect.y() + fs.top(),
1842	maxRect.width() - fs.left() - fs.right(),
1843	maxRect.height() - fs.top() - fs.bottom());
1844
1845	// restore the original normalGeometry
1846	top->normalGeometry = normalRect;
1847	// internalSetGeometry() clears the maximized flag... make sure we set it back
1848	data.window_state = data.window_state \| Qt::WindowMaximized;
1849	q->setAttribute(Qt::WA_Mapped);
1850	return;
1851	}
1852
1853	if (q->isFullScreen() && !X11->isSupportedByWM(ATOM(_NET_WM_STATE_FULLSCREEN))) {
1854	XMapWindow(X11->display, q->internalWinId());
1855	qt_x11_wait_for_window_manager(q);
1856	q->setAttribute(Qt::WA_Mapped);
1857	return;
1858	}
1859	}
1860
1861	invalidateBuffer(q->rect());
1862
1863	if (q->testAttribute(Qt::WA_OutsideWSRange))
1864	return;
1865	q->setAttribute(Qt::WA_Mapped);
1866	if (q->isWindow())
1867	topData()->waitingForMapNotify = 1;
1868
1869	if (!q->isWindow()
1870	&& (!q->autoFillBackground()
1871	\|\| q->palette().brush(q->backgroundRole()).style() == Qt::LinearGradientPattern)) {
1872	if (q->internalWinId()) {
1873	XSetWindowBackgroundPixmap(X11->display, q->internalWinId(), XNone);
1874	XMapWindow(X11->display, q->internalWinId());
1875	updateSystemBackground();
1876	}
1877	return;
1878	}
1879
1880	if (q->internalWinId())
1881	XMapWindow(X11->display, q->internalWinId());
1882
1883	// Freedesktop.org Startup Notification
1884	if (X11->startupId && q->isWindow()) {
1885	QByteArray message("remove: ID=");
1886	message.append(X11->startupId);
1887	sendStartupMessage(message.constData());
1888	X11->startupId = 0;
1889	}
1890	}
1891
1892	/*!
1893	\internal
1894	Platform-specific part of QWidget::show().
1895	*/
1896
1897	void QWidgetPrivate::sendStartupMessage(const char *message) const
1898	{
1899	Q_Q(const QWidget);
1900
1901	if (!message)
1902	return;
1903
1904	XEvent xevent;
1905	xevent.xclient.type = ClientMessage;
1906	xevent.xclient.message_type = ATOM(_NET_STARTUP_INFO_BEGIN);
1907	xevent.xclient.display = X11->display;
1908	xevent.xclient.window = q->internalWinId();
1909	xevent.xclient.format = 8;
1910
1911	Window rootWindow = RootWindow(X11->display, DefaultScreen(X11->display));
1912	uint sent = 0;
1913	uint length = strlen(message) + 1;
1914	do {
1915	if (sent == 20)
1916	xevent.xclient.message_type = ATOM(_NET_STARTUP_INFO);
1917
1918	for (uint i = 0; i < 20 && i + sent <= length; i++)
1919	xevent.xclient.data.b[i] = message[i + sent++];
1920
1921	XSendEvent(X11->display, rootWindow, false, PropertyChangeMask, &xevent);
1922	} while (sent <= length);
1923	}
1924
1925	void QWidgetPrivate::setNetWmWindowTypes()
1926	{
1927	Q_Q(QWidget);
1928	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
1929
1930	if (!q->isWindow()) {
1931	if (q->internalWinId())
1932	XDeleteProperty(X11->display, q->internalWinId(), ATOM(_NET_WM_WINDOW_TYPE));
1933	return;
1934	}
1935
1936	QVector<long> windowTypes;
1937
1938	// manual selection 1 (these are never set by Qt and take precedence)
1939	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeDesktop))
1940	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_DESKTOP));
1941	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeDock))
1942	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_DOCK));
1943	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeNotification))
1944	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_NOTIFICATION));
1945
1946	// manual selection 2 (Qt uses these during auto selection);
1947	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeUtility))
1948	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_UTILITY));
1949	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeSplash))
1950	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_SPLASH));
1951	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeDialog))
1952	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_DIALOG));
1953	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeToolTip))
1954	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_TOOLTIP));
1955
1956	// manual selection 3 (these can be set by Qt, but don't have a
1957	// corresponding Qt::WindowType). note that order of the *MENU
1958	// atoms is important
1959	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeMenu))
1960	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_MENU));
1961	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeDropDownMenu))
1962	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_DROPDOWN_MENU));
1963	if (q->testAttribute(Qt::WA_X11NetWmWindowTypePopupMenu))
1964	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_POPUP_MENU));
1965	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeToolBar))
1966	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_TOOLBAR));
1967	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeCombo))
1968	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_COMBO));
1969	if (q->testAttribute(Qt::WA_X11NetWmWindowTypeDND))
1970	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_DND));
1971
1972	// automatic selection
1973	switch (q->windowType()) {
1974	case Qt::Dialog:
1975	case Qt::Sheet:
1976	// dialog netwm type
1977	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_DIALOG));
1978	break;
1979
1980	case Qt::Tool:
1981	case Qt::Drawer:
1982	// utility netwm type
1983	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_UTILITY));
1984	break;
1985
1986	case Qt::ToolTip:
1987	// tooltip netwm type
1988	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_TOOLTIP));
1989	break;
1990
1991	case Qt::SplashScreen:
1992	// splash netwm type
1993	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_SPLASH));
1994	break;
1995
1996	default:
1997	break;
1998	}
1999
2000	if (q->windowFlags() & Qt::FramelessWindowHint) {
2001	// override netwm type - quick and easy for KDE noborder
2002	windowTypes.append(ATOM(_KDE_NET_WM_WINDOW_TYPE_OVERRIDE));
2003	}
2004
2005	// normal netwm type - default
2006	windowTypes.append(ATOM(_NET_WM_WINDOW_TYPE_NORMAL));
2007
2008	if (!windowTypes.isEmpty()) {
2009	XChangeProperty(X11->display, q->winId(), ATOM(_NET_WM_WINDOW_TYPE), XA_ATOM, 32,
2010	PropModeReplace, (unsigned char *) windowTypes.constData(),
2011	windowTypes.count());
2012	} else {
2013	XDeleteProperty(X11->display, q->winId(), ATOM(_NET_WM_WINDOW_TYPE));
2014	}
2015	}
2016
2017	/*!
2018	\internal
2019	Platform-specific part of QWidget::hide().
2020	*/
2021
2022	void QWidgetPrivate::hide_sys()
2023	{
2024	Q_Q(QWidget);
2025	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
2026	deactivateWidgetCleanup();
2027	if (q->isWindow()) {
2028	X11->deferred_map.removeAll(q);
2029	if (q->internalWinId()) // in nsplugin, may be 0
2030	XWithdrawWindow(X11->display, q->internalWinId(), xinfo.screen());
2031	XFlush(X11->display);
2032	} else {
2033	invalidateBuffer(q->rect());
2034	if (q->internalWinId()) // in nsplugin, may be 0
2035	XUnmapWindow(X11->display, q->internalWinId());
2036	}
2037	q->setAttribute(Qt::WA_Mapped, false);
2038	}
2039
2040	void QWidgetPrivate::setFocus_sys()
2041	{
2042
2043	}
2044
2045
2046	void QWidgetPrivate::raise_sys()
2047	{
2048	Q_Q(QWidget);
2049	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
2050	if (q->internalWinId())
2051	XRaiseWindow(X11->display, q->internalWinId());
2052	}
2053
2054	void QWidgetPrivate::lower_sys()
2055	{
2056	Q_Q(QWidget);
2057	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
2058	if (q->internalWinId())
2059	XLowerWindow(X11->display, q->internalWinId());
2060	if(!q->isWindow())
2061	invalidateBuffer(q->rect());
2062	}
2063
2064	void QWidgetPrivate::stackUnder_sys(QWidget* w)
2065	{
2066	Q_Q(QWidget);
2067	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
2068	if (q->internalWinId() && w->internalWinId()) {
2069	Window stack[2];
2070	stack[0] = w->internalWinId();;
2071	stack[1] = q->internalWinId();
2072	XRestackWindows(X11->display, stack, 2);
2073	}
2074	if(!q->isWindow() \|\| !w->internalWinId())
2075	invalidateBuffer(q->rect());
2076	}
2077
2078
2079	static void do_size_hints(QWidget* widget, QWExtra *x)
2080	{
2081	Q_ASSERT(widget->testAttribute(Qt::WA_WState_Created));
2082	XSizeHints s;
2083	s.flags = 0;
2084	if (x) {
2085	QRect g = widget->geometry();
2086	s.x = g.x();
2087	s.y = g.y();
2088	s.width = g.width();
2089	s.height = g.height();
2090	if (x->minw > 0 \|\| x->minh > 0) {
2091	// add minimum size hints
2092	s.flags \|= PMinSize;
2093	s.min_width = qMin(XCOORD_MAX, x->minw);
2094	s.min_height = qMin(XCOORD_MAX, x->minh);
2095	}
2096	if (x->maxw < QWIDGETSIZE_MAX \|\| x->maxh < QWIDGETSIZE_MAX) {
2097	// add maximum size hints
2098	s.flags \|= PMaxSize;
2099	s.max_width = qMin(XCOORD_MAX, x->maxw);
2100	s.max_height = qMin(XCOORD_MAX, x->maxh);
2101	}
2102	if (x->topextra &&
2103	(x->topextra->incw > 0 \|\| x->topextra->inch > 0)) {
2104	// add resize increment hints
2105	s.flags \|= PResizeInc \| PBaseSize;
2106	s.width_inc = x->topextra->incw;
2107	s.height_inc = x->topextra->inch;
2108	s.base_width = x->topextra->basew;
2109	s.base_height = x->topextra->baseh;
2110	}
2111	}
2112	if (widget->testAttribute(Qt::WA_Moved)) {
2113	// user (i.e. command-line) specified position
2114	s.flags \|= USPosition;
2115	s.flags \|= PPosition;
2116	}
2117	if (widget->testAttribute(Qt::WA_Resized)) {
2118	// user (i.e. command-line) specified size
2119	s.flags \|= USSize;
2120	s.flags \|= PSize;
2121	}
2122	s.flags \|= PWinGravity;
2123	if (widget->testAttribute(Qt::WA_Moved) && x && x->topextra && !x->topextra->posFromMove) {
2124	// position came from setGeometry(), tell the WM that we don't
2125	// want our window gravity-shifted
2126	s.win_gravity = StaticGravity;
2127	} else {
2128	// position came from move()
2129	s.x = widget->x();
2130	s.y = widget->y();
2131	s.win_gravity = QApplication::isRightToLeft() ? NorthEastGravity : NorthWestGravity;
2132	}
2133	if (widget->internalWinId())
2134	XSetWMNormalHints(X11->display, widget->internalWinId(), &s);
2135	}
2136
2137
2138	/*
2139	Helper function for non-toplevel widgets. Helps to map Qt's 32bit
2140	coordinate system to X11's 16bit coordinate system.
2141
2142	Sets the geometry of the widget to data.crect, but clipped to sizes
2143	that X can handle. Unmaps widgets that are completely outside the
2144	valid range.
2145
2146	Maintains data.wrect, which is the geometry of the X widget,
2147	measured in this widget's coordinate system.
2148
2149	if the parent is not clipped, parentWRect is empty, otherwise
2150	parentWRect is the geometry of the parent's X rect, measured in
2151	parent's coord sys
2152	*/
2153	void QWidgetPrivate::setWSGeometry(bool dontShow)
2154	{
2155	Q_Q(QWidget);
2156	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
2157
2158	/*
2159	There are up to four different coordinate systems here:
2160	Qt coordinate system for this widget.
2161	X coordinate system for this widget (relative to wrect).
2162	Qt coordinate system for parent
2163	X coordinate system for parent (relative to parent's wrect).
2164	*/
2165	Display *dpy = xinfo.display();
2166	QRect validRange(-XCOORD_MAX,-XCOORD_MAX, 2XCOORD_MAX, 2XCOORD_MAX);
2167	QRect wrectRange(-WRECT_MAX,-WRECT_MAX, 2WRECT_MAX, 2WRECT_MAX);
2168	QRect wrect;
2169	//xrect is the X geometry of my X widget. (starts out in parent's Qt coord sys, and ends up in parent's X coord sys)
2170	QRect xrect = data.crect;
2171
2172	const QWidget *const parent = q->parentWidget();
2173	QRect parentWRect = parent->data->wrect;
2174
2175	if (parentWRect.isValid()) {
2176	// parent is clipped, and we have to clip to the same limit as parent
2177	if (!parentWRect.contains(xrect)) {
2178	xrect &= parentWRect;
2179	wrect = xrect;
2180	//translate from parent's to my Qt coord sys
2181	wrect.translate(-data.crect.topLeft());
2182	}
2183	//translate from parent's Qt coords to parent's X coords
2184	xrect.translate(-parentWRect.topLeft());
2185
2186	} else {
2187	// parent is not clipped, we may or may not have to clip
2188
2189	if (data.wrect.isValid() && QRect(QPoint(),data.crect.size()).contains(data.wrect)) {
2190	// This is where the main optimization is: we are already
2191	// clipped, and if our clip is still valid, we can just
2192	// move our window, and do not need to move or clip
2193	// children
2194
2195	QRect vrect = xrect & parent->rect();
2196	vrect.translate(-data.crect.topLeft()); //the part of me that's visible through parent, in my Qt coords
2197	if (data.wrect.contains(vrect)) {
2198	xrect = data.wrect;
2199	xrect.translate(data.crect.topLeft());
2200	if (data.winid)
2201	XMoveWindow(dpy, data.winid, xrect.x(), xrect.y());
2202	return;
2203	}
2204	}
2205
2206	if (!validRange.contains(xrect)) {
2207	// we are too big, and must clip
2208	xrect &=wrectRange;
2209	wrect = xrect;
2210	wrect.translate(-data.crect.topLeft());
2211	//parent's X coord system is equal to parent's Qt coord
2212	//sys, so we don't need to map xrect.
2213	}
2214
2215	}
2216
2217	// unmap if we are outside the valid window system coord system
2218	bool outsideRange = !xrect.isValid();
2219	bool mapWindow = false;
2220	if (q->testAttribute(Qt::WA_OutsideWSRange) != outsideRange) {
2221	q->setAttribute(Qt::WA_OutsideWSRange, outsideRange);
2222	if (outsideRange) {
2223	if (data.winid)
2224	XUnmapWindow(dpy, data.winid);
2225	q->setAttribute(Qt::WA_Mapped, false);
2226	} else if (!q->isHidden()) {
2227	mapWindow = true;
2228	}
2229	}
2230
2231	if (outsideRange)
2232	return;
2233
2234	bool jump = (data.wrect != wrect);
2235	data.wrect = wrect;
2236
2237
2238	// and now recursively for all children...
2239	// ### can be optimized
2240	for (int i = 0; i < children.size(); ++i) {
2241	QObject *object = children.at(i);
2242	if (object->isWidgetType()) {
2243	QWidget w = static_cast<QWidget >(object);
2244	if (!w->isWindow() && w->testAttribute(Qt::WA_WState_Created))
2245	w->d_func()->setWSGeometry(jump);
2246	}
2247	}
2248
2249	if (data.winid) {
2250	// move ourselves to the new position and map (if necessary) after
2251	// the movement. Rationale: moving unmapped windows is much faster
2252	// than moving mapped windows
2253	if (jump) //avoid flicker when jumping
2254	XSetWindowBackgroundPixmap(dpy, data.winid, XNone);
2255	if (!parent->internalWinId())
2256	xrect.translate(parent->mapTo(q->nativeParentWidget(), QPoint(0, 0)));
2257	XMoveResizeWindow(dpy, data.winid, xrect.x(), xrect.y(), xrect.width(), xrect.height());
2258	}
2259
2260	//to avoid flicker, we have to show children after the helper widget has moved
2261	if (jump) {
2262	for (int i = 0; i < children.size(); ++i) {
2263	QObject *object = children.at(i);
2264	if (object->isWidgetType()) {
2265	QWidget w = static_cast<QWidget >(object);
2266	if (!w->testAttribute(Qt::WA_OutsideWSRange) && !w->testAttribute(Qt::WA_Mapped) && !w->isHidden()) {
2267	w->setAttribute(Qt::WA_Mapped);
2268	if (w->internalWinId())
2269	XMapWindow(dpy, w->data->winid);
2270	}
2271	}
2272	}
2273	}
2274
2275
2276	if (jump && data.winid)
2277	XClearArea(dpy, data.winid, 0, 0, wrect.width(), wrect.height(), True);
2278
2279	if (mapWindow && !dontShow) {
2280	q->setAttribute(Qt::WA_Mapped);
2281	if (data.winid)
2282	XMapWindow(dpy, data.winid);
2283	}
2284	}
2285
2286	void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
2287	{
2288	Q_Q(QWidget);
2289	Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
2290	Display *dpy = X11->display;
2291
2292	if ((q->windowType() == Qt::Desktop))
2293	return;
2294	if (q->isWindow()) {
2295	if (!X11->isSupportedByWM(ATOM(_NET_WM_STATE_MAXIMIZED_VERT))
2296	&& !X11->isSupportedByWM(ATOM(_NET_WM_STATE_MAXIMIZED_HORZ)))
2297	data.window_state &= ~Qt::WindowMaximized;
2298	if (!X11->isSupportedByWM(ATOM(_NET_WM_STATE_FULLSCREEN)))
2299	data.window_state &= ~Qt::WindowFullScreen;
2300	if (QTLWExtra *topData = maybeTopData())
2301	topData->normalGeometry = QRect(0,0,-1,-1);
2302	} else {
2303	uint s = data.window_state;
2304	s &= ~(Qt::WindowMaximized \| Qt::WindowFullScreen);
2305	data.window_state = s;
2306	}
2307	if (extra) { // any size restrictions?
2308	w = qMin(w,extra->maxw);
2309	h = qMin(h,extra->maxh);
2310	w = qMax(w,extra->minw);
2311	h = qMax(h,extra->minh);
2312	}
2313	QPoint oldPos(q->pos());
2314	QSize oldSize(q->size());
2315	QRect oldGeom(data.crect);
2316	QRect r(x, y, w, h);
2317
2318	// We only care about stuff that changes the geometry, or may
2319	// cause the window manager to change its state
2320	if (!q->isWindow() && oldGeom == r)
2321	return;
2322
2323	data.crect = r;
2324	bool isResize = q->size() != oldSize;
2325
2326	if (q->isWindow()) {
2327	if (w == 0 \|\| h == 0) {
2328	q->setAttribute(Qt::WA_OutsideWSRange, true);
2329	if (q->isVisible() && q->testAttribute(Qt::WA_Mapped))
2330	hide_sys();
2331	} else if (q->isVisible() && q->testAttribute(Qt::WA_OutsideWSRange)) {
2332	q->setAttribute(Qt::WA_OutsideWSRange, false);
2333
2334	// put the window in its place and show it
2335	if (data.winid)
2336	XMoveResizeWindow(dpy, data.winid, x, y, w, h);
2337	topData()->posFromMove = false; // force StaticGravity
2338	do_size_hints(q, extra);
2339	show_sys();
2340	} else {
2341	q->setAttribute(Qt::WA_OutsideWSRange, false);
2342	if (!q->isVisible())
2343	do_size_hints(q, extra);
2344	if (isMove) {
2345	if ((data.window_flags & Qt::X11BypassWindowManagerHint) == Qt::X11BypassWindowManagerHint
2346	// work around 4Dwm's incompliance with ICCCM 4.1.5
2347	\|\| X11->desktopEnvironment == DE_4DWM) {
2348	if (data.winid)
2349	XMoveResizeWindow(dpy, data.winid, x, y, w, h);
2350	} else if (q->isVisible()
2351	&& topData()->validWMState
2352	&& X11->isSupportedByWM(ATOM(_NET_MOVERESIZE_WINDOW))) {
2353	XEvent e;
2354	e.xclient.type = ClientMessage;
2355	e.xclient.message_type = ATOM(_NET_MOVERESIZE_WINDOW);
2356	e.xclient.display = X11->display;
2357	e.xclient.window = q->internalWinId();
2358	e.xclient.format = 32;
2359	e.xclient.data.l[0] = StaticGravity \| 1<<8 \| 1<<9 \| 1<<10 \| 1<<11 \| 1<<12;
2360	e.xclient.data.l[1] = x;
2361	e.xclient.data.l[2] = y;
2362	e.xclient.data.l[3] = w;
2363	e.xclient.data.l[4] = h;
2364	XSendEvent(X11->display, RootWindow(X11->display, q->x11Info().screen()),
2365	false, (SubstructureNotifyMask \| SubstructureRedirectMask), &e);
2366	} else if (data.winid) {
2367	// pos() is right according to ICCCM 4.1.5
2368	XMoveResizeWindow(dpy, data.winid, q->pos().x(), q->pos().y(), w, h);
2369	}
2370	} else if (isResize && data.winid) {
2371	if (!q->isVisible()
2372	&& topData()->validWMState
2373	&& !q->testAttribute(Qt::WA_PendingMoveEvent)) {
2374	/*
2375	even though we've not visible, we could be in a
2376	race w/ the window manager, and it may ignore
2377	our ConfigureRequest. setting posFromMove to
2378	false makes sure that doDeferredMap() in
2379	qapplication_x11.cpp keeps the window in the
2380	right place
2381	*/
2382	topData()->posFromMove = false;
2383	}
2384	XResizeWindow(dpy, data.winid, w, h);
2385	}
2386	}
2387	if (isResize && !q->testAttribute(Qt::WA_DontShowOnScreen)) // set config pending only on resize, see qapplication_x11.cpp, translateConfigEvent()
2388	q->setAttribute(Qt::WA_WState_ConfigPending);
2389
2390	} else {
2391	QTLWExtra *tlwExtra = q->window()->d_func()->maybeTopData();
2392	const bool inTopLevelResize = tlwExtra ? tlwExtra->inTopLevelResize : false;
2393	const bool disableInTopLevelResize = inTopLevelResize && q->internalWinId();
2394	if (disableInTopLevelResize) {
2395	// Top-level resize optimization does not work for native child widgets;
2396	// disable it for this particular widget.
2397	tlwExtra->inTopLevelResize = false;
2398	}
2399
2400	if (!isResize && (!inTopLevelResize \|\| disableInTopLevelResize) && q->isVisible()) {
2401	moveRect(QRect(oldPos, oldSize), x - oldPos.x(), y - oldPos.y());
2402	}
2403	if (q->testAttribute(Qt::WA_WState_Created))
2404	setWSGeometry();
2405
2406	if (isResize && (!inTopLevelResize \|\| disableInTopLevelResize) && q->isVisible())
2407	invalidateBuffer_resizeHelper(oldPos, oldSize);
2408
2409	if (disableInTopLevelResize)
2410	tlwExtra->inTopLevelResize = true;
2411	}
2412
2413	if (q->isVisible()) {
2414	if (isMove && q->pos() != oldPos) {
2415	if (X11->desktopEnvironment != DE_4DWM) {
2416	// pos() is right according to ICCCM 4.1.5
2417	QMoveEvent e(q->pos(), oldPos);
2418	QApplication::sendEvent(q, &e);
2419	} else {
2420	// work around 4Dwm's incompliance with ICCCM 4.1.5
2421	QMoveEvent e(data.crect.topLeft(), oldGeom.topLeft());
2422	QApplication::sendEvent(q, &e);
2423	}
2424	}
2425	if (isResize) {
2426	static bool slowResize = qgetenv("QT_SLOW_TOPLEVEL_RESIZE").toInt();
2427	// If we have a backing store with static contents, we have to disable the top-level
2428	// resize optimization in order to get invalidated regions for resized widgets.
2429	// The optimization discards all invalidateBuffer() calls since we're going to
2430	// repaint everything anyways, but that's not the case with static contents.
2431	const bool setTopLevelResize = !slowResize && q->isWindow() && extra && extra->topextra
2432	&& !extra->topextra->inTopLevelResize
2433	&& (!extra->topextra->backingStore
2434	\|\| !extra->topextra->backingStore->hasStaticContents());
2435	if (setTopLevelResize)
2436	extra->topextra->inTopLevelResize = true;
2437	QResizeEvent e(q->size(), oldSize);
2438	QApplication::sendEvent(q, &e);
2439	if (setTopLevelResize)
2440	extra->topextra->inTopLevelResize = false;
2441	}
2442	} else {
2443	if (isMove && q->pos() != oldPos)
2444	q->setAttribute(Qt::WA_PendingMoveEvent, true);
2445	if (isResize)
2446	q->setAttribute(Qt::WA_PendingResizeEvent, true);
2447	}
2448	}
2449
2450	void QWidgetPrivate::setConstraints_sys()
2451	{
2452	Q_Q(QWidget);
2453	#ifdef ALIEN_DEBUG
2454	qDebug() << "QWidgetPrivate::setConstraints_sys START" << q;
2455	#endif
2456	if (q->testAttribute(Qt::WA_WState_Created))
2457	do_size_hints(q, extra);
2458	#ifdef ALIEN_DEBUG
2459	qDebug() << "QWidgetPrivate::setConstraints_sys END" << q;
2460	#endif
2461	}
2462
2463	void QWidgetPrivate::scroll_sys(int dx, int dy)
2464	{
2465	Q_Q(QWidget);
2466
2467	scrollChildren(dx, dy);
2468	if (!paintOnScreen()) {
2469	scrollRect(q->rect(), dx, dy);
2470	} else {
2471	scroll_sys(dx, dy, QRect());
2472	}
2473	}
2474
2475	void QWidgetPrivate::scroll_sys(int dx, int dy, const QRect &r)
2476	{
2477	Q_Q(QWidget);
2478
2479	if (!paintOnScreen()) {
2480	scrollRect(r, dx, dy);
2481	return;
2482	}
2483	bool valid_rect = r.isValid();
2484	bool just_update = qAbs(dx) > q->width() \|\| qAbs(dy) > q->height();
2485	QRect sr = valid_rect ? r : clipRect();
2486	if (just_update)
2487	q->update();
2488
2489	int x1, y1, x2, y2, w = sr.width(), h = sr.height();
2490	if (dx > 0) {
2491	x1 = sr.x();
2492	x2 = x1+dx;
2493	w -= dx;
2494	} else {
2495	x2 = sr.x();
2496	x1 = x2-dx;
2497	w += dx;
2498	}
2499	if (dy > 0) {
2500	y1 = sr.y();
2501	y2 = y1+dy;
2502	h -= dy;
2503	} else {
2504	y2 = sr.y();
2505	y1 = y2-dy;
2506	h += dy;
2507	}
2508
2509	if (dx == 0 && dy == 0)
2510	return;
2511
2512	Display *dpy = X11->display;
2513	// Want expose events
2514	if (w > 0 && h > 0 && !just_update && q->internalWinId()) {
2515	GC gc = XCreateGC(dpy, q->internalWinId(), 0, 0);
2516	XSetGraphicsExposures(dpy, gc, True);
2517	XCopyArea(dpy, q->internalWinId(), q->internalWinId(), gc, x1, y1, w, h, x2, y2);
2518	XFreeGC(dpy, gc);
2519	}
2520
2521	if (!valid_rect && !children.isEmpty()) { // scroll children
2522	QPoint pd(dx, dy);
2523	for (int i = 0; i < children.size(); ++i) { // move all children
2524	register QObject *object = children.at(i);
2525	if (object->isWidgetType()) {
2526	QWidget w = static_cast<QWidget >(object);
2527	if (!w->isWindow())
2528	w->move(w->pos() + pd);
2529	}
2530	}
2531	}
2532
2533	if (just_update)
2534	return;
2535
2536	// Don't let the server be bogged-down with repaint events
2537	bool repaint_immediately = (qt_sip_count(q) < 3 && !q->testAttribute(Qt::WA_WState_InPaintEvent));
2538
2539	if (dx) {
2540	int x = x2 == sr.x() ? sr.x()+w : sr.x();
2541	if (repaint_immediately)
2542	q->repaint(x, sr.y(), qAbs(dx), sr.height());
2543	else if (q->internalWinId())
2544	XClearArea(dpy, data.winid, x, sr.y(), qAbs(dx), sr.height(), True);
2545	}
2546	if (dy) {
2547	int y = y2 == sr.y() ? sr.y()+h : sr.y();
2548	if (repaint_immediately)
2549	q->repaint(sr.x(), y, sr.width(), qAbs(dy));
2550	else if (q->internalWinId())
2551	XClearArea(dpy, data.winid, sr.x(), y, sr.width(), qAbs(dy), True);
2552	}
2553
2554	qt_insert_sip(q, dx, dy); // #### ignores r
2555	}
2556
2557	int QWidget::metric(PaintDeviceMetric m) const
2558	{
2559	Q_D(const QWidget);
2560	int val;
2561	if (m == PdmWidth) {
2562	val = data->crect.width();
2563	} else if (m == PdmHeight) {
2564	val = data->crect.height();
2565	} else {
2566	Display *dpy = X11->display;
2567	int scr = d->xinfo.screen();
2568	switch (m) {
2569	case PdmDpiX:
2570	case PdmPhysicalDpiX:
2571	if (d->extra && d->extra->customDpiX)
2572	val = d->extra->customDpiX;
2573	else if (d->parent)
2574	val = static_cast<QWidget *>(d->parent)->metric(m);
2575	else
2576	val = QX11Info::appDpiX(scr);
2577	break;
2578	case PdmDpiY:
2579	case PdmPhysicalDpiY:
2580	if (d->extra && d->extra->customDpiY)
2581	val = d->extra->customDpiY;
2582	else if (d->parent)
2583	val = static_cast<QWidget *>(d->parent)->metric(m);
2584	else
2585	val = QX11Info::appDpiY(scr);
2586	break;
2587	case PdmWidthMM:
2588	val = (DisplayWidthMM(dpy,scr)*data->crect.width())/
2589	DisplayWidth(dpy,scr);
2590	break;
2591	case PdmHeightMM:
2592	val = (DisplayHeightMM(dpy,scr)*data->crect.height())/
2593	DisplayHeight(dpy,scr);
2594	break;
2595	case PdmNumColors:
2596	val = d->xinfo.cells();
2597	break;
2598	case PdmDepth:
2599	val = d->xinfo.depth();
2600	break;
2601	default:
2602	val = 0;
2603	qWarning("QWidget::metric: Invalid metric command");
2604	}
2605	}
2606	return val;
2607	}
2608
2609	void QWidgetPrivate::createSysExtra()
2610	{
2611	extra->xDndProxy = 0;
2612	extra->compress_events = true;
2613	}
2614
2615	void QWidgetPrivate::deleteSysExtra()
2616	{
2617	}
2618
2619	void QWidgetPrivate::createTLSysExtra()
2620	{
2621	extra->topextra->validWMState = 0;
2622	extra->topextra->waitingForMapNotify = 0;
2623	extra->topextra->userTimeWindow = 0;
2624	}
2625
2626	void QWidgetPrivate::deleteTLSysExtra()
2627	{
2628	// don't destroy input context here. it will be destroyed in
2629	// QWidget::destroy() destroyInputContext();
2630	}
2631
2632	void QWidgetPrivate::registerDropSite(bool on)
2633	{
2634	Q_UNUSED(on);
2635	}
2636
2637	void QWidgetPrivate::setMask_sys(const QRegion &region)
2638	{
2639	Q_Q(QWidget);
2640	if (!q->internalWinId())
2641	return;
2642
2643	if (region.isEmpty()) {
2644	XShapeCombineMask(X11->display, q->internalWinId(), ShapeBounding, 0, 0,
2645	XNone, ShapeSet);
2646	} else {
2647	XShapeCombineRegion(X11->display, q->internalWinId(), ShapeBounding, 0, 0,
2648	region.handle(), ShapeSet);
2649	}
2650	}
2651
2652	/*!
2653	\internal
2654
2655	Computes the frame rectangle when needed. This is an internal function, you
2656	should never call this.
2657	*/
2658
2659	void QWidgetPrivate::updateFrameStrut()
2660	{
2661	Q_Q(QWidget);
2662
2663	QTLWExtra *top = topData();
2664	if (!top->validWMState) {
2665	return;
2666	}
2667	if (!q->isWindow() && !q->internalWinId()) {
2668	data.fstrut_dirty = false;
2669	return;
2670	}
2671
2672	Atom type_ret;
2673	Window l = q->effectiveWinId(), w = l, p, r; // target window, its parent, root
2674	Window *c;
2675	int i_unused;
2676	unsigned int nc;
2677	unsigned char *data_ret;
2678	unsigned long l_unused;
2679
2680	while (XQueryTree(X11->display, w, &r, &p, &c, &nc)) {
2681	if (c && nc > 0)
2682	XFree(c);
2683
2684	if (! p) {
2685	qWarning("QWidget::updateFrameStrut: No parent");
2686	return;
2687	}
2688
2689	// if the parent window is the root window, an Enlightenment virtual root or
2690	// a NET WM virtual root window, stop here
2691	data_ret = 0;
2692	if (p == r \|\|
2693	(XGetWindowProperty(X11->display, p,
2694	ATOM(ENLIGHTENMENT_DESKTOP), 0, 1, False, XA_CARDINAL,
2695	&type_ret, &i_unused, &l_unused, &l_unused,
2696	&data_ret) == Success &&
2697	type_ret == XA_CARDINAL)) {
2698	if (data_ret)
2699	XFree(data_ret);
2700
2701	break;
2702	} else if (X11->isSupportedByWM(ATOM(_NET_VIRTUAL_ROOTS)) && X11->net_virtual_root_list) {
2703	int i = 0;
2704	while (X11->net_virtual_root_list[i] != 0) {
2705	if (X11->net_virtual_root_list[i++] == p)
2706	break;
2707	}
2708	}
2709
2710	l = w;
2711	w = p;
2712	}
2713
2714	// we have our window
2715	int transx, transy;
2716	XWindowAttributes wattr;
2717	if (XTranslateCoordinates(X11->display, l, w,
2718	0, 0, &transx, &transy, &p) &&
2719	XGetWindowAttributes(X11->display, w, &wattr)) {
2720	top->frameStrut.setCoords(transx,
2721	transy,
2722	wattr.width - data.crect.width() - transx,
2723	wattr.height - data.crect.height() - transy);
2724
2725	// add the border_width for the window managers frame... some window managers
2726	// do not use a border_width of zero for their frames, and if we the left and
2727	// top strut, we ensure that pos() is absolutely correct. frameGeometry()
2728	// will still be incorrect though... perhaps i should have foffset as well, to
2729	// indicate the frame offset (equal to the border_width on X).
2730	// - Brad
2731	top->frameStrut.adjust(wattr.border_width,
2732	wattr.border_width,
2733	wattr.border_width,
2734	wattr.border_width);
2735	}
2736
2737	data.fstrut_dirty = false;
2738	}
2739
2740	void QWidgetPrivate::setWindowOpacity_sys(qreal opacity)
2741	{
2742	Q_Q(QWidget);
2743	ulong value = ulong(opacity * 0xffffffff);
2744	XChangeProperty(QX11Info::display(), q->internalWinId(), ATOM(_NET_WM_WINDOW_OPACITY), XA_CARDINAL,
2745	32, PropModeReplace, (uchar*)&value, 1);
2746	}
2747
2748	/*!
2749	Returns information about the configuration of the X display used to display
2750	the widget.
2751
2752	\warning This function is only available on X11.
2753	*/
2754	const QX11Info &QWidget::x11Info() const
2755	{
2756	Q_D(const QWidget);
2757	return d->xinfo;
2758	}
2759
2760	void QWidgetPrivate::setWindowRole()
2761	{
2762	Q_Q(QWidget);
2763	if (!q->internalWinId())
2764	return;
2765	QByteArray windowRole = topData()->role.toUtf8();
2766	XChangeProperty(X11->display, q->internalWinId(),
2767	ATOM(WM_WINDOW_ROLE), XA_STRING, 8, PropModeReplace,
2768	(unsigned char *)windowRole.constData(), windowRole.length());
2769	}
2770
2771	Q_GLOBAL_STATIC(QX11PaintEngine, qt_widget_paintengine)
2772	QPaintEngine *QWidget::paintEngine() const
2773	{
2774	Q_D(const QWidget);
2775	if (qt_widget_paintengine()->isActive()) {
2776	if (d->extraPaintEngine)
2777	return d->extraPaintEngine;
2778	QWidget self = const_cast<QWidget >(this);
2779	self->d_func()->extraPaintEngine = new QX11PaintEngine();
2780	return d->extraPaintEngine;
2781	}
2782	return qt_widget_paintengine();
2783	}
2784
2785	QWindowSurface *QWidgetPrivate::createDefaultWindowSurface_sys()
2786	{
2787	return new QX11WindowSurface(q_func());
2788	}
2789
2790	/*!
2791	Returns the X11 Picture handle of the widget for XRender
2792	support. Use of this function is not portable. This function will
2793	return 0 if XRender support is not compiled into Qt, if the
2794	XRender extension is not supported on the X11 display, or if the
2795	handle could not be created.
2796	*/
2797	Qt::HANDLE QWidget::x11PictureHandle() const
2798	{
2799	#ifndef QT_NO_XRENDER
2800	Q_D(const QWidget);
2801	if (!internalWinId() && testAttribute(Qt::WA_WState_Created))
2802	(void)winId(); // enforce native window
2803	return d->picture;
2804	#else
2805	return 0;
2806	#endif // QT_NO_XRENDER
2807	}
2808
2809	#ifndef QT_NO_XRENDER
2810	XRenderColor QX11Data::preMultiply(const QColor &c)
2811	{
2812	XRenderColor color;
2813	const uint A = c.alpha(),
2814	R = c.red(),
2815	G = c.green(),
2816	B = c.blue();
2817	color.alpha = (A \| A << 8);
2818	color.red = (R \| R << 8) * color.alpha / 0x10000;
2819	color.green = (G \| G << 8) * color.alpha / 0x10000;
2820	color.blue = (B \| B << 8) * color.alpha / 0x10000;
2821	return color;
2822	}
2823	Picture QX11Data::getSolidFill(int screen, const QColor &c)
2824	{
2825	if (!X11->use_xrender)
2826	return XNone;
2827
2828	XRenderColor color = preMultiply(c);
2829	for (int i = 0; i < X11->solid_fill_count; ++i) {
2830	if (X11->solid_fills[i].screen == screen
2831	&& X11->solid_fills[i].color.alpha == color.alpha
2832	&& X11->solid_fills[i].color.red == color.red
2833	&& X11->solid_fills[i].color.green == color.green
2834	&& X11->solid_fills[i].color.blue == color.blue)
2835	return X11->solid_fills[i].picture;
2836	}
2837	// none found, replace one
2838	int i = rand() % 16;
2839
2840	if (X11->solid_fills[i].screen != screen && X11->solid_fills[i].picture) {
2841	XRenderFreePicture (X11->display, X11->solid_fills[i].picture);
2842	X11->solid_fills[i].picture = 0;
2843	}
2844
2845	if (!X11->solid_fills[i].picture) {
2846	Pixmap pixmap = XCreatePixmap (X11->display, RootWindow (X11->display, screen), 1, 1, 32);
2847	XRenderPictureAttributes attrs;
2848	attrs.repeat = True;
2849	X11->solid_fills[i].picture = XRenderCreatePicture (X11->display, pixmap,
2850	XRenderFindStandardFormat(X11->display, PictStandardARGB32),
2851	CPRepeat, &attrs);
2852	XFreePixmap (X11->display, pixmap);
2853	}
2854
2855	X11->solid_fills[i].color = color;
2856	X11->solid_fills[i].screen = screen;
2857	XRenderFillRectangle (X11->display, PictOpSrc, X11->solid_fills[i].picture, &color, 0, 0, 1, 1);
2858	return X11->solid_fills[i].picture;
2859	}
2860	#endif
2861
2862	void QWidgetPrivate::setModal_sys()
2863	{
2864	}
2865
2866	void qt_x11_getX11InfoForWindow(QX11Info * xinfo, const QX11WindowAttributes &att)
2867	{
2868	QX11InfoData* xd = xinfo->getX11Data(true);
2869	const XWindowAttributes &a = *(att.att);
2870	// find which screen the window is on...
2871	xd->screen = QX11Info::appScreen(); // by default, use the default :)
2872	int i;
2873	for (i = 0; i < ScreenCount(X11->display); i++) {
2874	if (RootWindow(X11->display, i) == a.root) {
2875	xd->screen = i;
2876	break;
2877	}
2878	}
2879
2880	xd->depth = a.depth;
2881	xd->cells = DisplayCells(X11->display, xd->screen);
2882	xd->visual = a.visual;
2883	xd->defaultVisual = (XVisualIDFromVisual((Visual *) a.visual) ==
2884	XVisualIDFromVisual((Visual *) QX11Info::appVisual(xinfo->screen())));
2885	xd->colormap = a.colormap;
2886	xd->defaultColormap = (a.colormap == QX11Info::appColormap(xinfo->screen()));
2887	xinfo->setX11Data(xd);
2888	}
2889
2890	QT_END_NAMESPACE

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source: branches/4.5.1/src/gui/kernel/qwidget_x11.cpp

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