source: trunk/src/gui/widgets/qtoolbarlayout.cpp

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 22.9 KB
RevLine 
[2]1/****************************************************************************
2**
[846]3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
[561]4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
[2]6**
7** This file is part of the QtGui module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
[561]24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
[2]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**
[561]36** If you have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
[2]38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <qaction.h>
43#include <qwidgetaction.h>
44#include <qtoolbar.h>
45#include <qstyleoption.h>
46#include <qtoolbutton.h>
47#include <qmenu.h>
48#include <qdebug.h>
49#include <qmath.h>
50
51#include "qmainwindowlayout_p.h"
52#include "qtoolbarextension_p.h"
53#include "qtoolbarlayout_p.h"
54#include "qtoolbarseparator_p.h"
55
56#ifndef QT_NO_TOOLBAR
57
58QT_BEGIN_NAMESPACE
59
[846]60// qmainwindow.cpp
61extern QMainWindowLayout *qt_mainwindow_layout(const QMainWindow *window);
62
[2]63/******************************************************************************
64** QToolBarItem
65*/
66
67QToolBarItem::QToolBarItem(QWidget *widget)
68 : QWidgetItem(widget), action(0), customWidget(false)
69{
70}
71
72bool QToolBarItem::isEmpty() const
73{
74 return action == 0 || !action->isVisible();
75}
76
77/******************************************************************************
78** QToolBarLayout
79*/
80
81QToolBarLayout::QToolBarLayout(QWidget *parent)
82 : QLayout(parent), expanded(false), animating(false), dirty(true),
83 expanding(false), empty(true), expandFlag(false), popupMenu(0)
84{
85 QToolBar *tb = qobject_cast<QToolBar*>(parent);
86 if (!tb)
87 return;
88
89 extension = new QToolBarExtension(tb);
90 extension->setFocusPolicy(Qt::NoFocus);
91 extension->hide();
92 QObject::connect(tb, SIGNAL(orientationChanged(Qt::Orientation)),
93 extension, SLOT(setOrientation(Qt::Orientation)));
94
95 setUsePopupMenu(qobject_cast<QMainWindow*>(tb->parentWidget()) == 0);
96}
97
98QToolBarLayout::~QToolBarLayout()
99{
100 while (!items.isEmpty()) {
101 QToolBarItem *item = items.takeFirst();
102 if (QWidgetAction *widgetAction = qobject_cast<QWidgetAction*>(item->action)) {
103 if (item->customWidget)
104 widgetAction->releaseWidget(item->widget());
105 }
106 delete item;
107 }
108}
109
110void QToolBarLayout::updateMarginAndSpacing()
111{
112 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
113 if (!tb)
114 return;
115 QStyle *style = tb->style();
116 QStyleOptionToolBar opt;
117 tb->initStyleOption(&opt);
118 setMargin(style->pixelMetric(QStyle::PM_ToolBarItemMargin, &opt, tb)
119 + style->pixelMetric(QStyle::PM_ToolBarFrameWidth, &opt, tb));
120 setSpacing(style->pixelMetric(QStyle::PM_ToolBarItemSpacing, &opt, tb));
121}
122
123bool QToolBarLayout::hasExpandFlag() const
124{
125 return expandFlag;
126}
127
128void QToolBarLayout::setUsePopupMenu(bool set)
129{
130 if (!dirty && ((popupMenu == 0) == set))
131 invalidate();
132 if (!set) {
133 QObject::connect(extension, SIGNAL(clicked(bool)),
[561]134 this, SLOT(setExpanded(bool)), Qt::UniqueConnection);
[2]135 extension->setPopupMode(QToolButton::DelayedPopup);
136 extension->setMenu(0);
137 delete popupMenu;
138 popupMenu = 0;
139 } else {
140 QObject::disconnect(extension, SIGNAL(clicked(bool)),
141 this, SLOT(setExpanded(bool)));
142 extension->setPopupMode(QToolButton::InstantPopup);
143 if (!popupMenu) {
144 popupMenu = new QMenu(extension);
145 }
146 extension->setMenu(popupMenu);
147 }
148}
149
150void QToolBarLayout::checkUsePopupMenu()
151{
152 QToolBar *tb = static_cast<QToolBar *>(parent());
153 QMainWindow *mw = qobject_cast<QMainWindow *>(tb->parent());
154 Qt::Orientation o = tb->orientation();
155 setUsePopupMenu(!mw || tb->isFloating() || perp(o, expandedSize(mw->size())) >= perp(o, mw->size()));
156}
157
158void QToolBarLayout::addItem(QLayoutItem*)
159{
160 qWarning() << "QToolBarLayout::addItem(): please use addAction() instead";
161 return;
162}
163
164QLayoutItem *QToolBarLayout::itemAt(int index) const
165{
166 if (index < 0 || index >= items.count())
167 return 0;
168 return items.at(index);
169}
170
171QLayoutItem *QToolBarLayout::takeAt(int index)
172{
173 if (index < 0 || index >= items.count())
174 return 0;
175 QToolBarItem *item = items.takeAt(index);
176
177 if (popupMenu)
178 popupMenu->removeAction(item->action);
179
180 QWidgetAction *widgetAction = qobject_cast<QWidgetAction*>(item->action);
181 if (widgetAction != 0 && item->customWidget) {
182 widgetAction->releaseWidget(item->widget());
183 } else {
184 // destroy the QToolButton/QToolBarSeparator
185 item->widget()->hide();
186 item->widget()->deleteLater();
187 }
188
189 invalidate();
190 return item;
191}
192
193void QToolBarLayout::insertAction(int index, QAction *action)
194{
195 index = qMax(0, index);
196 index = qMin(items.count(), index);
197
198 QToolBarItem *item = createItem(action);
199 if (item) {
200 items.insert(index, item);
201 invalidate();
202 }
203}
204
205int QToolBarLayout::indexOf(QAction *action) const
206{
207 for (int i = 0; i < items.count(); ++i) {
208 if (items.at(i)->action == action)
209 return i;
210 }
211 return -1;
212}
213
214int QToolBarLayout::count() const
215{
216 return items.count();
217}
218
219bool QToolBarLayout::isEmpty() const
220{
221 if (dirty)
222 updateGeomArray();
223 return empty;
224}
225
226void QToolBarLayout::invalidate()
227{
228 dirty = true;
229 QLayout::invalidate();
230}
231
232Qt::Orientations QToolBarLayout::expandingDirections() const
233{
234 if (dirty)
235 updateGeomArray();
236 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
237 if (!tb)
238 return Qt::Orientations(0);
239 Qt::Orientation o = tb->orientation();
240 return expanding ? Qt::Orientations(o) : Qt::Orientations(0);
241}
242
243bool QToolBarLayout::movable() const
244{
245 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
246 if (!tb)
247 return false;
248 QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget());
249 return tb->isMovable() && win != 0;
250}
251
252void QToolBarLayout::updateGeomArray() const
253{
254 if (!dirty)
255 return;
256
257 QToolBarLayout *that = const_cast<QToolBarLayout*>(this);
258
259 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
260 if (!tb)
261 return;
262 QStyle *style = tb->style();
263 QStyleOptionToolBar opt;
264 tb->initStyleOption(&opt);
265 const int handleExtent = movable()
266 ? style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb) : 0;
267 const int margin = this->margin();
268 const int spacing = this->spacing();
269 const int extensionExtent = style->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt, tb);
270 Qt::Orientation o = tb->orientation();
271
272 that->minSize = QSize(0, 0);
273 that->hint = QSize(0, 0);
274 rperp(o, that->minSize) = style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb);
275 rperp(o, that->hint) = style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb);
276
277 that->expanding = false;
278 that->empty = false;
279
280 QVector<QLayoutStruct> a(items.count() + 1); // + 1 for the stretch
281
282 int count = 0;
283 for (int i = 0; i < items.count(); ++i) {
284 QToolBarItem *item = items.at(i);
285
286 QSize max = item->maximumSize();
287 QSize min = item->minimumSize();
288 QSize hint = item->sizeHint();
289 Qt::Orientations exp = item->expandingDirections();
290 bool empty = item->isEmpty();
291
292 that->expanding = expanding || exp & o;
293
294
295 if (item->widget()) {
296 if ((item->widget()->sizePolicy().horizontalPolicy() & QSizePolicy::ExpandFlag)) {
297 that->expandFlag = true;
298 }
299 }
300
301 if (!empty) {
302 if (count == 0) // the minimum size only displays one widget
303 rpick(o, that->minSize) += pick(o, min);
304 int s = perp(o, minSize);
305 rperp(o, that->minSize) = qMax(s, perp(o, min));
306
307 //we only add spacing before item (ie never before the first one)
308 rpick(o, that->hint) += (count == 0 ? 0 : spacing) + pick(o, hint);
309 s = perp(o, that->hint);
310 rperp(o, that->hint) = qMax(s, perp(o, hint));
311 ++count;
312 }
313
314 a[i].sizeHint = pick(o, hint);
315 a[i].maximumSize = pick(o, max);
316 a[i].minimumSize = pick(o, min);
317 a[i].expansive = exp & o;
318 if (o == Qt::Horizontal)
319 a[i].stretch = item->widget()->sizePolicy().horizontalStretch();
320 else
321 a[i].stretch = item->widget()->sizePolicy().verticalStretch();
322 a[i].empty = empty;
323 }
324
325 that->geomArray = a;
326 that->empty = count == 0;
327
328 rpick(o, that->minSize) += handleExtent;
329 that->minSize += QSize(2*margin, 2*margin);
330 if (items.count() > 1)
331 rpick(o, that->minSize) += spacing + extensionExtent;
332
333 rpick(o, that->hint) += handleExtent;
334 that->hint += QSize(2*margin, 2*margin);
335 that->dirty = false;
336#ifdef Q_WS_MAC
337 if (QMainWindow *mw = qobject_cast<QMainWindow *>(parentWidget()->parentWidget())) {
338 if (mw->unifiedTitleAndToolBarOnMac()
339 && mw->toolBarArea(static_cast<QToolBar *>(parentWidget())) == Qt::TopToolBarArea) {
[561]340 if (expandFlag) {
[2]341 tb->setMaximumSize(0xFFFFFF, 0xFFFFFF);
342 } else {
343 tb->setMaximumSize(hint);
344 }
345 }
346 }
347#endif
348
349 that->dirty = false;
350}
351
352static bool defaultWidgetAction(QToolBarItem *item)
353{
354 QWidgetAction *a = qobject_cast<QWidgetAction*>(item->action);
355 return a != 0 && a->defaultWidget() == item->widget();
356}
357
358void QToolBarLayout::setGeometry(const QRect &rect)
359{
360 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
361 if (!tb)
362 return;
363 QStyle *style = tb->style();
364 QStyleOptionToolBar opt;
365 tb->initStyleOption(&opt);
366 const int margin = this->margin();
367 const int extensionExtent = style->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt, tb);
368 Qt::Orientation o = tb->orientation();
369
370 QLayout::setGeometry(rect);
371
372 bool ranOutOfSpace = false;
373 if (!animating)
374 ranOutOfSpace = layoutActions(rect.size());
375
376 if (expanded || animating || ranOutOfSpace) {
377 Qt::ToolBarArea area = Qt::TopToolBarArea;
378 if (QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget()))
379 area = win->toolBarArea(tb);
380 QSize hint = sizeHint();
381
382 QPoint pos;
383 rpick(o, pos) = pick(o, rect.bottomRight()) - margin - extensionExtent + 2;
384 if (area == Qt::LeftToolBarArea || area == Qt::TopToolBarArea)
385 rperp(o, pos) = perp(o, rect.topLeft()) + margin;
386 else
387 rperp(o, pos) = perp(o, rect.bottomRight()) - margin - (perp(o, hint) - 2*margin) + 1;
388 QSize size;
389 rpick(o, size) = extensionExtent;
390 rperp(o, size) = perp(o, hint) - 2*margin;
391 QRect r(pos, size);
392
393 if (o == Qt::Horizontal)
394 r = QStyle::visualRect(parentWidget()->layoutDirection(), rect, r);
395
396 extension->setGeometry(r);
397
398 if (extension->isHidden())
399 extension->show();
400 } else {
401 if (!extension->isHidden())
402 extension->hide();
403 }
404#ifdef Q_WS_MAC
405 // Nothing to do for Carbon... probably
406# ifdef QT_MAC_USE_COCOA
407 if (QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget())) {
408 Qt::ToolBarArea area = win->toolBarArea(tb);
409 if (win->unifiedTitleAndToolBarOnMac() && area == Qt::TopToolBarArea) {
[846]410 qt_mainwindow_layout(win)->fixSizeInUnifiedToolbar(tb);
[2]411 }
412 }
413# endif
414#endif
415
416}
417
418bool QToolBarLayout::layoutActions(const QSize &size)
419{
420 if (dirty)
421 updateGeomArray();
422
423 QRect rect(0, 0, size.width(), size.height());
424
425 QList<QWidget*> showWidgets, hideWidgets;
426
427 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
428 if (!tb)
429 return false;
430 QStyle *style = tb->style();
431 QStyleOptionToolBar opt;
432 tb->initStyleOption(&opt);
433 const int handleExtent = movable()
434 ? style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb) : 0;
435 const int margin = this->margin();
436 const int spacing = this->spacing();
437 const int extensionExtent = style->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt, tb);
438 Qt::Orientation o = tb->orientation();
439 bool extensionMenuContainsOnlyWidgetActions = true;
440
441 int space = pick(o, rect.size()) - 2*margin - handleExtent;
442 if (space <= 0)
443 return false; // nothing to do.
444
445 if(popupMenu)
446 popupMenu->clear();
447
448 bool ranOutOfSpace = false;
449 int rows = 0;
450 int rowPos = perp(o, rect.topLeft()) + margin;
451 int i = 0;
452 while (i < items.count()) {
453 QVector<QLayoutStruct> a = geomArray;
454
455 int start = i;
456 int size = 0;
457 int prev = -1;
458 int rowHeight = 0;
459 int count = 0;
460 int maximumSize = 0;
461 bool expansiveRow = false;
462 for (; i < items.count(); ++i) {
463 if (a[i].empty)
464 continue;
465
466 int newSize = size + (count == 0 ? 0 : spacing) + a[i].minimumSize;
467 if (prev != -1 && newSize > space) {
468 if (rows == 0)
469 ranOutOfSpace = true;
470 // do we have to move the previous item to the next line to make space for
471 // the extension button?
472 if (count > 1 && size + spacing + extensionExtent > space)
473 i = prev;
474 break;
475 }
476
477 if (expanded)
478 rowHeight = qMax(rowHeight, perp(o, items.at(i)->sizeHint()));
479 expansiveRow = expansiveRow || a[i].expansive;
480 size = newSize;
481 maximumSize += spacing + (a[i].expansive ? a[i].maximumSize : a[i].smartSizeHint());
482 prev = i;
483 ++count;
484 }
485
486 // stretch at the end
487 a[i].sizeHint = 0;
488 a[i].maximumSize = QWIDGETSIZE_MAX;
489 a[i].minimumSize = 0;
490 a[i].expansive = true;
491 a[i].stretch = 0;
492 a[i].empty = true;
493
494 if (expansiveRow && maximumSize < space) {
495 expansiveRow = false;
496 a[i].maximumSize = space - maximumSize;
497 }
498
499 qGeomCalc(a, start, i - start + (expansiveRow ? 0 : 1), 0,
500 space - (ranOutOfSpace ? (extensionExtent + spacing) : 0),
501 spacing);
502
503 for (int j = start; j < i; ++j) {
504 QToolBarItem *item = items.at(j);
505
506 if (a[j].empty) {
507 if (!item->widget()->isHidden())
508 hideWidgets << item->widget();
509 continue;
510 }
511
512 QPoint pos;
513 rpick(o, pos) = margin + handleExtent + a[j].pos;
514 rperp(o, pos) = rowPos;
515 QSize size;
516 rpick(o, size) = a[j].size;
517 if (expanded)
518 rperp(o, size) = rowHeight;
519 else
520 rperp(o, size) = perp(o, rect.size()) - 2*margin;
521 QRect r(pos, size);
522
523 if (o == Qt::Horizontal)
524 r = QStyle::visualRect(parentWidget()->layoutDirection(), rect, r);
525
526 item->setGeometry(r);
527
528 if (item->widget()->isHidden())
529 showWidgets << item->widget();
530 }
531
532 if (!expanded) {
533 for (int j = i; j < items.count(); ++j) {
534 QToolBarItem *item = items.at(j);
535 if (!item->widget()->isHidden())
536 hideWidgets << item->widget();
537 if (popupMenu) {
538 if (!defaultWidgetAction(item)) {
539 popupMenu->addAction(item->action);
540 extensionMenuContainsOnlyWidgetActions = false;
541 }
542 }
543 }
544 break;
545 }
546
547 rowPos += rowHeight + spacing;
548 ++rows;
549 }
550
551 // if we are using a popup menu, not the expadning toolbar effect, we cannot move custom
552 // widgets into the menu. If only custom widget actions are chopped off, the popup menu
553 // is empty. So we show the little extension button to show something is chopped off,
554 // but we make it disabled.
555 extension->setEnabled(popupMenu == 0 || !extensionMenuContainsOnlyWidgetActions);
556
557 // we have to do the show/hide here, because it triggers more calls to setGeometry :(
558 for (int i = 0; i < showWidgets.count(); ++i)
559 showWidgets.at(i)->show();
560 for (int i = 0; i < hideWidgets.count(); ++i)
561 hideWidgets.at(i)->hide();
562
563 return ranOutOfSpace;
564}
565
566QSize QToolBarLayout::expandedSize(const QSize &size) const
567{
568 if (dirty)
569 updateGeomArray();
570
571 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
572 if (!tb)
573 return QSize(0, 0);
574 QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget());
575 Qt::Orientation o = tb->orientation();
576 QStyle *style = tb->style();
577 QStyleOptionToolBar opt;
578 tb->initStyleOption(&opt);
579 const int handleExtent = movable()
580 ? style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb) : 0;
581 const int margin = this->margin();
582 const int spacing = this->spacing();
583 const int extensionExtent = style->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt, tb);
584
585 int total_w = 0;
586 int count = 0;
587 for (int x = 0; x < items.count(); ++x) {
588 if (!geomArray[x].empty) {
589 total_w += (count == 0 ? 0 : spacing) + geomArray[x].minimumSize;
590 ++count;
591 }
592 }
593 if (count == 0)
594 return QSize(0, 0);
595
596 int min_w = pick(o, size);
597 int rows = (int)qSqrt(qreal(count));
598 if (rows == 1)
599 ++rows; // we want to expand to at least two rows
600 int space = total_w/rows + spacing + extensionExtent;
601 space = qMax(space, min_w - 2*margin - handleExtent);
602 if (win != 0)
603 space = qMin(space, pick(o, win->size()) - 2*margin - handleExtent);
604
605 int w = 0;
606 int h = 0;
607 int i = 0;
608 while (i < items.count()) {
609 int count = 0;
610 int size = 0;
611 int prev = -1;
612 int rowHeight = 0;
613 for (; i < items.count(); ++i) {
614 if (geomArray[i].empty)
615 continue;
616
617 int newSize = size + (count == 0 ? 0 : spacing) + geomArray[i].minimumSize;
618 rowHeight = qMax(rowHeight, perp(o, items.at(i)->sizeHint()));
619 if (prev != -1 && newSize > space) {
620 if (count > 1 && size + spacing + extensionExtent > space) {
621 size -= spacing + geomArray[prev].minimumSize;
622 i = prev;
623 }
624 break;
625 }
626
627 size = newSize;
628 prev = i;
629 ++count;
630 }
631
632 w = qMax(size, w);
633 h += rowHeight + spacing;
634 }
635
636 w += 2*margin + handleExtent + spacing + extensionExtent;
637 w = qMax(w, min_w);
638 if (win != 0)
639 w = qMin(w, pick(o, win->size()));
640 h += 2*margin - spacing; //there is no spacing before the first row
641
642 QSize result;
643 rpick(o, result) = w;
644 rperp(o, result) = h;
645 return result;
646}
647
648void QToolBarLayout::setExpanded(bool exp)
649{
650 if (exp == expanded)
651 return;
652
653 expanded = exp;
654 extension->setChecked(expanded);
655
656 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
657 if (!tb)
658 return;
659 if (QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget())) {
[846]660#ifdef QT_NO_DOCKWIDGET
661 animating = false;
662#else
[561]663 animating = !tb->isWindow() && win->isAnimated();
[846]664#endif
665 QMainWindowLayout *layout = qt_mainwindow_layout(win);
[2]666 if (expanded) {
667 tb->raise();
668 } else {
669 QList<int> path = layout->layoutState.indexOf(tb);
670 if (!path.isEmpty()) {
671 QRect rect = layout->layoutState.itemRect(path);
672 layoutActions(rect.size());
673 }
674 }
[561]675 layout->layoutState.toolBarAreaLayout.apply(animating);
[2]676 }
677}
678
679QSize QToolBarLayout::minimumSize() const
680{
681 if (dirty)
682 updateGeomArray();
683 return minSize;
684}
685
686QSize QToolBarLayout::sizeHint() const
687{
688 if (dirty)
689 updateGeomArray();
690 return hint;
691}
692
693QToolBarItem *QToolBarLayout::createItem(QAction *action)
694{
695 bool customWidget = false;
696 bool standardButtonWidget = false;
697 QWidget *widget = 0;
698 QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
699 if (!tb)
700 return (QToolBarItem *)0;
701
702 if (QWidgetAction *widgetAction = qobject_cast<QWidgetAction *>(action)) {
703 widget = widgetAction->requestWidget(tb);
704 if (widget != 0) {
705 widget->setAttribute(Qt::WA_LayoutUsesWidgetRect);
706 customWidget = true;
707 }
708 } else if (action->isSeparator()) {
709 QToolBarSeparator *sep = new QToolBarSeparator(tb);
710 connect(tb, SIGNAL(orientationChanged(Qt::Orientation)),
711 sep, SLOT(setOrientation(Qt::Orientation)));
712 widget = sep;
713 }
714
715 if (!widget) {
716 QToolButton *button = new QToolButton(tb);
717 button->setAutoRaise(true);
718 button->setFocusPolicy(Qt::NoFocus);
719 button->setIconSize(tb->iconSize());
720 button->setToolButtonStyle(tb->toolButtonStyle());
721 QObject::connect(tb, SIGNAL(iconSizeChanged(QSize)),
722 button, SLOT(setIconSize(QSize)));
723 QObject::connect(tb, SIGNAL(toolButtonStyleChanged(Qt::ToolButtonStyle)),
724 button, SLOT(setToolButtonStyle(Qt::ToolButtonStyle)));
725 button->setDefaultAction(action);
726 QObject::connect(button, SIGNAL(triggered(QAction*)), tb, SIGNAL(actionTriggered(QAction*)));
727 widget = button;
728 standardButtonWidget = true;
729 }
730
731 widget->hide();
732 QToolBarItem *result = new QToolBarItem(widget);
733 if (standardButtonWidget)
734 result->setAlignment(Qt::AlignJustify);
735 result->customWidget = customWidget;
736 result->action = action;
737 return result;
738}
739
740QT_END_NAMESPACE
741
742#endif // QT_NO_TOOLBAR
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