diff options
Diffstat (limited to 'src/gui/widgets')
-rw-r--r-- | src/gui/widgets/qsizegrip.cpp | 17 | ||||
-rw-r--r-- | src/gui/widgets/qstackedwidget.cpp | 46 | ||||
-rw-r--r-- | src/gui/widgets/qtabwidget.cpp | 54 | ||||
-rw-r--r-- | src/gui/widgets/qtabwidget.h | 1 |
4 files changed, 103 insertions, 15 deletions
diff --git a/src/gui/widgets/qsizegrip.cpp b/src/gui/widgets/qsizegrip.cpp index c9d613a..b5b611c 100644 --- a/src/gui/widgets/qsizegrip.cpp +++ b/src/gui/widgets/qsizegrip.cpp @@ -78,15 +78,6 @@ static QWidget *qt_sizegrip_topLevelWidget(QWidget* w) return w; } -static inline bool hasHeightForWidth(QWidget *widget) -{ - if (!widget) - return false; - if (QLayout *layout = widget->layout()) - return layout->hasHeightForWidth(); - return widget->sizePolicy().hasHeightForWidth(); -} - class QSizeGripPrivate : public QWidgetPrivate { Q_DECLARE_PUBLIC(QSizeGrip) @@ -318,7 +309,7 @@ void QSizeGrip::mousePressEvent(QMouseEvent * e) #ifdef Q_WS_X11 // Use a native X11 sizegrip for "real" top-level windows if supported. if (tlw->isWindow() && X11->isSupportedByWM(ATOM(_NET_WM_MOVERESIZE)) - && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !hasHeightForWidth(tlw)) { + && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !qt_widget_private(tlw)->hasHeightForWidth()) { XEvent xev; xev.xclient.type = ClientMessage; xev.xclient.message_type = ATOM(_NET_WM_MOVERESIZE); @@ -340,7 +331,7 @@ void QSizeGrip::mousePressEvent(QMouseEvent * e) } #endif // Q_WS_X11 #ifdef Q_WS_WIN - if (tlw->isWindow() && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !hasHeightForWidth(tlw)) { + if (tlw->isWindow() && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !qt_widget_private(tlw)->hasHeightForWidth()) { uint orientation = 0; if (d->atBottom()) orientation = d->atLeft() ? SZ_SIZEBOTTOMLEFT : SZ_SIZEBOTTOMRIGHT; @@ -429,12 +420,12 @@ void QSizeGrip::mouseMoveEvent(QMouseEvent * e) #ifdef Q_WS_X11 if (tlw->isWindow() && X11->isSupportedByWM(ATOM(_NET_WM_MOVERESIZE)) - && tlw->isTopLevel() && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !hasHeightForWidth(tlw)) + && tlw->isTopLevel() && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !qt_widget_private(tlw)->hasHeightForWidth()) return; #endif #ifdef Q_WS_WIN if (tlw->isWindow() && GetSystemMenu(tlw->winId(), FALSE) != 0 && internalWinId() - && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !hasHeightForWidth(tlw)) { + && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !qt_widget_private(tlw)->hasHeightForWidth()) { MSG msg; while(PeekMessage(&msg, winId(), WM_MOUSEMOVE, WM_MOUSEMOVE, PM_REMOVE)); return; diff --git a/src/gui/widgets/qstackedwidget.cpp b/src/gui/widgets/qstackedwidget.cpp index 2509a21..6c4061c 100644 --- a/src/gui/widgets/qstackedwidget.cpp +++ b/src/gui/widgets/qstackedwidget.cpp @@ -49,12 +49,54 @@ QT_BEGIN_NAMESPACE +/** + QStackedLayout does not support height for width (simply because it does not reimplement + heightForWidth() and hasHeightForWidth()). That is not possible to fix without breaking + binary compatibility. (QLayout is subject to multiple inheritance). + However, we can fix QStackedWidget by simply using a modified version of QStackedLayout + that reimplements the hfw-related functions: + */ +class QStackedLayoutHFW : public QStackedLayout +{ +public: + QStackedLayoutHFW(QWidget *parent = 0) : QStackedLayout(parent) {} + bool hasHeightForWidth() const; + int heightForWidth(int width) const; +}; + +bool QStackedLayoutHFW::hasHeightForWidth() const +{ + const int n = count(); + + for (int i = 0; i < n; ++i) { + if (QLayoutItem *item = itemAt(i)) { + if (item->hasHeightForWidth()) + return true; + } + } + return false; +} + +int QStackedLayoutHFW::heightForWidth(int width) const +{ + const int n = count(); + + int hfw = 0; + for (int i = 0; i < n; ++i) { + if (QLayoutItem *item = itemAt(i)) { + hfw = qMax(hfw, item->heightForWidth(width)); + } + } + return hfw; +} + + class QStackedWidgetPrivate : public QFramePrivate { Q_DECLARE_PUBLIC(QStackedWidget) public: QStackedWidgetPrivate():layout(0){} - QStackedLayout *layout; + QStackedLayoutHFW *layout; bool blockChildAdd; }; @@ -138,7 +180,7 @@ QStackedWidget::QStackedWidget(QWidget *parent) : QFrame(*new QStackedWidgetPrivate, parent) { Q_D(QStackedWidget); - d->layout = new QStackedLayout(this); + d->layout = new QStackedLayoutHFW(this); connect(d->layout, SIGNAL(widgetRemoved(int)), this, SIGNAL(widgetRemoved(int))); connect(d->layout, SIGNAL(currentChanged(int)), this, SIGNAL(currentChanged(int))); } diff --git a/src/gui/widgets/qtabwidget.cpp b/src/gui/widgets/qtabwidget.cpp index 583c112..01e9d40 100644 --- a/src/gui/widgets/qtabwidget.cpp +++ b/src/gui/widgets/qtabwidget.cpp @@ -195,6 +195,7 @@ public: void _q_removeTab(int); void _q_tabMoved(int from, int to); void init(); + bool hasHeightForWidth() const; QTabBar *tabs; QStackedWidget *stack; @@ -246,6 +247,15 @@ void QTabWidgetPrivate::init() } +bool QTabWidgetPrivate::hasHeightForWidth() const +{ + bool has = size_policy.hasHeightForWidth(); + if (!has && stack) + has = qt_widget_private(stack)->hasHeightForWidth(); + return has; +} + + /*! Initialize \a option with the values from this QTabWidget. This method is useful for subclasses when they need a QStyleOptionTabWidgetFrame, but don't want to fill @@ -871,6 +881,50 @@ QSize QTabWidget::minimumSizeHint() const .expandedTo(QApplication::globalStrut()); } +/* + \reimp +*/ +int QTabWidget::heightForWidth(int width) const +{ + Q_D(const QTabWidget); + QStyleOptionTabWidgetFrameV2 opt; + initStyleOption(&opt); + opt.state = QStyle::State_None; + + QSize zero(0,0); + const QSize padding = style()->sizeFromContents(QStyle::CT_TabWidget, &opt, zero, this) + .expandedTo(QApplication::globalStrut()); + + QSize lc(0, 0), rc(0, 0); + if (d->leftCornerWidget) + lc = d->leftCornerWidget->sizeHint(); + if(d->rightCornerWidget) + rc = d->rightCornerWidget->sizeHint(); + if (!d->dirty) { + QTabWidget *that = (QTabWidget*)this; + that->setUpLayout(true); + } + QSize t(d->tabs->sizeHint()); + + if(usesScrollButtons()) + t = t.boundedTo(QSize(200,200)); + else + t = t.boundedTo(QApplication::desktop()->size()); + + const bool tabIsHorizontal = (d->pos == North || d->pos == South); + const int contentsWidth = width - padding.width(); + int stackWidth = contentsWidth; + if (!tabIsHorizontal) + stackWidth -= qMax(t.width(), qMax(lc.width(), rc.width())); + + int stackHeight = d->stack->heightForWidth(stackWidth); + QSize s(stackWidth, stackHeight); + + QSize contentSize = basicSize(tabIsHorizontal, lc, rc, s, t); + return (contentSize + padding).expandedTo(QApplication::globalStrut()).height(); +} + + /*! \reimp */ diff --git a/src/gui/widgets/qtabwidget.h b/src/gui/widgets/qtabwidget.h index 68200c8..ee50655 100644 --- a/src/gui/widgets/qtabwidget.h +++ b/src/gui/widgets/qtabwidget.h @@ -129,6 +129,7 @@ public: QSize sizeHint() const; QSize minimumSizeHint() const; + int heightForWidth(int width) const; void setCornerWidget(QWidget * w, Qt::Corner corner = Qt::TopRightCorner); QWidget * cornerWidget(Qt::Corner corner = Qt::TopRightCorner) const; |