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Diffstat (limited to 'src/qt3support/widgets/q3titlebar.cpp')
-rw-r--r-- | src/qt3support/widgets/q3titlebar.cpp | 645 |
1 files changed, 645 insertions, 0 deletions
diff --git a/src/qt3support/widgets/q3titlebar.cpp b/src/qt3support/widgets/q3titlebar.cpp new file mode 100644 index 0000000..df53364 --- /dev/null +++ b/src/qt3support/widgets/q3titlebar.cpp @@ -0,0 +1,645 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the Qt3Support module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qplatformdefs.h" + +#ifndef QT_NO_TITLEBAR + +#include "qapplication.h" +#include "qcursor.h" +#include "qdatetime.h" +#include "qevent.h" +#include "qimage.h" +#include "qpainter.h" +#include "qiodevice.h" +#include "qpixmap.h" +#include "qstyle.h" +#include "qstyleoption.h" +#include "qtimer.h" +#include "qtooltip.h" +#include "qdebug.h" +#if defined(Q_WS_WIN) +#include "qt_windows.h" +#endif + +#include "private/qapplication_p.h" +#include "private/q3titlebar_p.h" +#include "private/qwidget_p.h" + +QT_BEGIN_NAMESPACE + +class Q3TitleBarPrivate : public QWidgetPrivate +{ + Q_DECLARE_PUBLIC(Q3TitleBar) +public: + Q3TitleBarPrivate() + : toolTip(0), act(0), window(0), movable(1), pressed(0), autoraise(0), inevent(0) + { + } + + Qt::WindowFlags flags; + QStyle::SubControl buttonDown; + QPoint moveOffset; + QToolTip *toolTip; + bool act :1; + QWidget* window; + bool movable :1; + bool pressed :1; + bool autoraise :1; + bool inevent : 1; + + int titleBarState() const; + QStyleOptionTitleBar getStyleOption() const; + void readColors(); +}; + +inline int Q3TitleBarPrivate::titleBarState() const +{ + uint state = window ? window->windowState() : static_cast<Qt::WindowStates>(Qt::WindowNoState); + state |= uint(act ? QStyle::State_Active : QStyle::State_None); + return (int)state; +} + +QStyleOptionTitleBar Q3TitleBarPrivate::getStyleOption() const +{ + Q_Q(const Q3TitleBar); + QStyleOptionTitleBar opt; + opt.init(q); + opt.text = q->windowTitle(); + //################ + QIcon icon = q->windowIcon(); + QSize s = icon.actualSize(QSize(64, 64)); + opt.icon = icon.pixmap(s); + opt.subControls = QStyle::SC_All; + opt.activeSubControls = QStyle::SC_None; + opt.titleBarState = titleBarState(); + opt.titleBarFlags = flags; + return opt; +} + +Q3TitleBar::Q3TitleBar(QWidget *w, QWidget *parent, Qt::WindowFlags f) + : QWidget(*new Q3TitleBarPrivate, parent, Qt::WStyle_Customize | Qt::WStyle_NoBorder) +{ + Q_D(Q3TitleBar); + if (f == 0 && w) + f = w->windowFlags(); + d->flags = f; + d->window = w; + d->buttonDown = QStyle::SC_None; + d->act = 0; + if (w) { + if (w->minimumSize() == w->maximumSize()) + d->flags &= ~Qt::WindowMaximizeButtonHint; + setWindowTitle(w->windowTitle()); + } + + d->readColors(); + setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed)); + setMouseTracking(true); + setAutoRaise(style()->styleHint(QStyle::SH_TitleBar_AutoRaise, 0, this)); +} + +void Q3TitleBar::setFakeWindowFlags(Qt::WindowFlags f) +{ + Q_D(Q3TitleBar); + d->flags = f; +} + +Qt::WindowFlags Q3TitleBar::fakeWindowFlags() const +{ + Q_D(const Q3TitleBar); + return d->flags; +} + +Q3TitleBar::~Q3TitleBar() +{ +} + +QStyleOptionTitleBar Q3TitleBar::getStyleOption() const +{ + return d_func()->getStyleOption(); +} + +#ifdef Q_WS_WIN +static inline QRgb colorref2qrgb(COLORREF col) +{ + return qRgb(GetRValue(col),GetGValue(col),GetBValue(col)); +} +#endif + +void Q3TitleBarPrivate::readColors() +{ + Q_Q(Q3TitleBar); + QPalette pal = q->palette(); + + bool colorsInitialized = false; + +#ifdef Q_WS_WIN // ask system properties on windows +#ifndef SPI_GETGRADIENTCAPTIONS +#define SPI_GETGRADIENTCAPTIONS 0x1008 +#endif +#ifndef COLOR_GRADIENTACTIVECAPTION +#define COLOR_GRADIENTACTIVECAPTION 27 +#endif +#ifndef COLOR_GRADIENTINACTIVECAPTION +#define COLOR_GRADIENTINACTIVECAPTION 28 +#endif + if (QApplication::desktopSettingsAware()) { + pal.setColor(QPalette::Active, QPalette::Highlight, colorref2qrgb(GetSysColor(COLOR_ACTIVECAPTION))); + pal.setColor(QPalette::Inactive, QPalette::Highlight, colorref2qrgb(GetSysColor(COLOR_INACTIVECAPTION))); + pal.setColor(QPalette::Active, QPalette::HighlightedText, colorref2qrgb(GetSysColor(COLOR_CAPTIONTEXT))); + pal.setColor(QPalette::Inactive, QPalette::HighlightedText, colorref2qrgb(GetSysColor(COLOR_INACTIVECAPTIONTEXT))); + if (QSysInfo::WindowsVersion != QSysInfo::WV_95 && QSysInfo::WindowsVersion != QSysInfo::WV_NT) { + colorsInitialized = true; + BOOL gradient; + QT_WA({ + SystemParametersInfo(SPI_GETGRADIENTCAPTIONS, 0, &gradient, 0); + } , { + SystemParametersInfoA(SPI_GETGRADIENTCAPTIONS, 0, &gradient, 0); + }); + if (gradient) { + pal.setColor(QPalette::Active, QPalette::Base, colorref2qrgb(GetSysColor(COLOR_GRADIENTACTIVECAPTION))); + pal.setColor(QPalette::Inactive, QPalette::Base, colorref2qrgb(GetSysColor(COLOR_GRADIENTINACTIVECAPTION))); + } else { + pal.setColor(QPalette::Active, QPalette::Base, pal.color(QPalette::Active, QPalette::Highlight)); + pal.setColor(QPalette::Inactive, QPalette::Base, pal.color(QPalette::Inactive, QPalette::Highlight)); + } + } + } +#endif // Q_WS_WIN + if (!colorsInitialized) { + pal.setColor(QPalette::Active, QPalette::Highlight, + pal.color(QPalette::Active, QPalette::Highlight)); + pal.setColor(QPalette::Active, QPalette::Base, + pal.color(QPalette::Active, QPalette::Highlight)); + pal.setColor(QPalette::Inactive, QPalette::Highlight, + pal.color(QPalette::Inactive, QPalette::Dark)); + pal.setColor(QPalette::Inactive, QPalette::Base, + pal.color(QPalette::Inactive, QPalette::Dark)); + pal.setColor(QPalette::Inactive, QPalette::HighlightedText, + pal.color(QPalette::Inactive, QPalette::Window)); + } + + q->setPalette(pal); + q->setActive(act); +} + +void Q3TitleBar::changeEvent(QEvent *ev) +{ + if(ev->type() == QEvent::ModifiedChange) + update(); + QWidget::changeEvent(ev); +} + +void Q3TitleBar::mousePressEvent(QMouseEvent *e) +{ + Q_D(Q3TitleBar); + if (!d->act) + emit doActivate(); + if (e->button() == Qt::LeftButton) { + d->pressed = true; + QStyleOptionTitleBar opt = d->getStyleOption(); + QStyle::SubControl ctrl = style()->hitTestComplexControl(QStyle::CC_TitleBar, &opt, + e->pos(), this); + switch (ctrl) { + case QStyle::SC_TitleBarSysMenu: + if (d->flags & Qt::WindowSystemMenuHint) { + d->buttonDown = QStyle::SC_None; + static QTime *t = 0; + static Q3TitleBar *tc = 0; + if (!t) + t = new QTime; + if (tc != this || t->elapsed() > QApplication::doubleClickInterval()) { + emit showOperationMenu(); + t->start(); + tc = this; + } else { + tc = 0; + emit doClose(); + return; + } + } + break; + + case QStyle::SC_TitleBarShadeButton: + case QStyle::SC_TitleBarUnshadeButton: + if (d->flags & Qt::WindowShadeButtonHint) + d->buttonDown = ctrl; + break; + + case QStyle::SC_TitleBarNormalButton: + if (d->flags & Qt::WindowMinMaxButtonsHint) + d->buttonDown = ctrl; + break; + + case QStyle::SC_TitleBarMinButton: + if (d->flags & Qt::WindowMinimizeButtonHint) + d->buttonDown = ctrl; + break; + + case QStyle::SC_TitleBarMaxButton: + if (d->flags & Qt::WindowMaximizeButtonHint) + d->buttonDown = ctrl; + break; + + case QStyle::SC_TitleBarCloseButton: + if (d->flags & Qt::WindowSystemMenuHint) + d->buttonDown = ctrl; + break; + + case QStyle::SC_TitleBarLabel: + d->buttonDown = ctrl; + d->moveOffset = mapToParent(e->pos()); + break; + + default: + break; + } + repaint(); + } else { + d->pressed = false; + } +} + +void Q3TitleBar::contextMenuEvent(QContextMenuEvent *e) +{ + Q_D(Q3TitleBar); + QStyleOptionTitleBar opt = d->getStyleOption(); + QStyle::SubControl ctrl = style()->hitTestComplexControl(QStyle::CC_TitleBar, &opt, e->pos(), + this); + if(ctrl == QStyle::SC_TitleBarLabel || ctrl == QStyle::SC_TitleBarSysMenu) { + e->accept(); + emit popupOperationMenu(e->globalPos()); + } else { + e->ignore(); + } +} + +void Q3TitleBar::mouseReleaseEvent(QMouseEvent *e) +{ + Q_D(Q3TitleBar); + if (e->button() == Qt::LeftButton && d->pressed) { + e->accept(); + QStyleOptionTitleBar opt = d->getStyleOption(); + QStyle::SubControl ctrl = style()->hitTestComplexControl(QStyle::CC_TitleBar, &opt, + e->pos(), this); + d->pressed = false; + if (ctrl == d->buttonDown) { + d->buttonDown = QStyle::SC_None; + repaint(); + switch(ctrl) { + case QStyle::SC_TitleBarShadeButton: + case QStyle::SC_TitleBarUnshadeButton: + if(d->flags & Qt::WindowShadeButtonHint) + emit doShade(); + break; + + case QStyle::SC_TitleBarNormalButton: + if(d->flags & Qt::WindowMaximizeButtonHint) + emit doNormal(); + break; + + case QStyle::SC_TitleBarMinButton: + if(d->flags & Qt::WindowMinimizeButtonHint) { + if (d->window && d->window->isMinimized()) + emit doNormal(); + else + emit doMinimize(); + } + break; + + case QStyle::SC_TitleBarMaxButton: + if(d->flags & Qt::WindowMaximizeButtonHint) { + if(d->window && d->window->isMaximized()) + emit doNormal(); + else + emit doMaximize(); + } + break; + + case QStyle::SC_TitleBarCloseButton: + if(d->flags & Qt::WindowSystemMenuHint) { + d->buttonDown = QStyle::SC_None; + repaint(); + emit doClose(); + return; + } + break; + + default: + break; + } + } + } else { + e->ignore(); + } +} + +void Q3TitleBar::mouseMoveEvent(QMouseEvent *e) +{ + Q_D(Q3TitleBar); + e->accept(); + switch (d->buttonDown) { + case QStyle::SC_None: + if(autoRaise()) + repaint(); + break; + case QStyle::SC_TitleBarSysMenu: + break; + case QStyle::SC_TitleBarShadeButton: + case QStyle::SC_TitleBarUnshadeButton: + case QStyle::SC_TitleBarNormalButton: + case QStyle::SC_TitleBarMinButton: + case QStyle::SC_TitleBarMaxButton: + case QStyle::SC_TitleBarCloseButton: + { + QStyle::SubControl last_ctrl = d->buttonDown; + QStyleOptionTitleBar opt = d->getStyleOption(); + d->buttonDown = style()->hitTestComplexControl(QStyle::CC_TitleBar, &opt, e->pos(), this); + if (d->buttonDown != last_ctrl) + d->buttonDown = QStyle::SC_None; + repaint(); + d->buttonDown = last_ctrl; + } + break; + + case QStyle::SC_TitleBarLabel: + if (d->buttonDown == QStyle::SC_TitleBarLabel && d->movable && d->pressed) { + if ((d->moveOffset - mapToParent(e->pos())).manhattanLength() >= 4) { + QPoint p = mapFromGlobal(e->globalPos()); + + QWidget *parent = d->window ? d->window->parentWidget() : 0; + if(parent && parent->inherits("Q3WorkspaceChild")) { + QWidget *workspace = parent->parentWidget(); + p = workspace->mapFromGlobal(e->globalPos()); + if (!workspace->rect().contains(p)) { + if (p.x() < 0) + p.rx() = 0; + if (p.y() < 0) + p.ry() = 0; + if (p.x() > workspace->width()) + p.rx() = workspace->width(); + if (p.y() > workspace->height()) + p.ry() = workspace->height(); + } + } + + QPoint pp = p - d->moveOffset; + if (!parentWidget()->isMaximized()) + parentWidget()->move(pp); + } + } else { + QStyle::SubControl last_ctrl = d->buttonDown; + d->buttonDown = QStyle::SC_None; + if(d->buttonDown != last_ctrl) + repaint(); + } + break; + default: + break; + } +} + +void Q3TitleBar::resizeEvent(QResizeEvent *r) +{ + QWidget::resizeEvent(r); + cutText(); +} + +bool Q3TitleBar::isTool() const +{ + return (d_func()->flags & Qt::WindowType_Mask) == Qt::Tool; +} + +void Q3TitleBar::paintEvent(QPaintEvent *) +{ + Q_D(Q3TitleBar); + QStyleOptionTitleBar opt = d->getStyleOption(); + opt.subControls = QStyle::SC_TitleBarLabel; + opt.activeSubControls = d->buttonDown; + if (d->flags & Qt::WindowSystemMenuHint) { + opt.subControls |= QStyle::SC_TitleBarSysMenu | QStyle::SC_TitleBarCloseButton; + if (d->window && (d->flags & Qt::WindowShadeButtonHint)) { + if (d->window->isMinimized()) + opt.subControls |= QStyle::SC_TitleBarUnshadeButton; + else + opt.subControls |= QStyle::SC_TitleBarShadeButton; + } + if (d->window && (d->flags & Qt::WindowMinMaxButtonsHint)) { + if(d->window && d->window->isMinimized()) + opt.subControls |= QStyle::SC_TitleBarNormalButton; + else + opt.subControls |= QStyle::SC_TitleBarMinButton; + } + if (d->window && (d->flags & Qt::WindowMaximizeButtonHint) && !d->window->isMaximized()) + opt.subControls |= QStyle::SC_TitleBarMaxButton; + } + QStyle::SubControl under_mouse = QStyle::SC_None; + + if (underMouse()) { + under_mouse = style()->hitTestComplexControl(QStyle::CC_TitleBar, &opt, + mapFromGlobal(QCursor::pos()), this); + opt.activeSubControls |= under_mouse; + if (d->pressed) + opt.state |= QStyle::State_Sunken; + else if(autoRaise()) + opt.state |= QStyle::State_MouseOver; + } + + opt.palette.setCurrentColorGroup(usesActiveColor() ? QPalette::Active : QPalette::Inactive); + + QPainter p(this); + if (!windowTitle().isEmpty()) + opt.titleBarFlags |= Qt::WindowTitleHint; + style()->drawComplexControl(QStyle::CC_TitleBar, &opt, &p, this); +} + +void Q3TitleBar::mouseDoubleClickEvent(QMouseEvent *e) +{ + Q_D(Q3TitleBar); + if (e->button() != Qt::LeftButton) { + e->ignore(); + return; + } + e->accept(); + QStyleOptionTitleBar opt = d->getStyleOption(); + switch (style()->hitTestComplexControl(QStyle::CC_TitleBar, &opt, e->pos(), this)) { + case QStyle::SC_TitleBarLabel: + emit doubleClicked(); + break; + + case QStyle::SC_TitleBarSysMenu: + if (d->flags & Qt::WStyle_SysMenu) + emit doClose(); + break; + + default: + break; + } +} + +void Q3TitleBar::cutText() +{ + Q_D(Q3TitleBar); + QFontMetrics fm(font()); + QStyleOptionTitleBar opt = d->getStyleOption(); + int maxw = style()->subControlRect(QStyle::CC_TitleBar, &opt, QStyle::SC_TitleBarLabel, + this).width(); + if (!d->window) + return; + + QString txt = d->window->windowTitle(); + if (style()->styleHint(QStyle::SH_TitleBar_ModifyNotification, 0, this) && d->window + && d->window->isWindowModified()) + txt += QLatin1String(" *"); + + QString cuttext = txt; + if (fm.width(txt + QLatin1Char('m')) > maxw) { + int i = txt.length(); + int dotlength = fm.width(QLatin1String("...")); + while (i>0 && fm.width(txt.left(i)) + dotlength > maxw) + i--; + if(i != (int)txt.length()) + cuttext = txt.left(i) + QLatin1String("..."); + } + + setWindowTitle(cuttext); +} + + +void Q3TitleBar::leaveEvent(QEvent *) +{ + if(autoRaise() && !d_func()->pressed) + repaint(); +} + +void Q3TitleBar::enterEvent(QEvent *) +{ + if(autoRaise() && !d_func()->pressed) + repaint(); + QEvent e(QEvent::Leave); + QApplication::sendEvent(parentWidget(), &e); +} + +void Q3TitleBar::setActive(bool active) +{ + Q_D(Q3TitleBar); + if (d->act == active) + return ; + + d->act = active; + update(); +} + +bool Q3TitleBar::isActive() const +{ + return d_func()->act; +} + +bool Q3TitleBar::usesActiveColor() const +{ + return (isActive() && isActiveWindow()) || + (!window() && QWidget::window()->isActiveWindow()); +} + +QWidget *Q3TitleBar::window() const +{ + return d_func()->window; +} + +bool Q3TitleBar::event(QEvent *e) +{ + Q_D(Q3TitleBar); + if (d->inevent) + return QWidget::event(e); + d->inevent = true; + if (e->type() == QEvent::ApplicationPaletteChange) { + d->readColors(); + return true; + } else if (e->type() == QEvent::WindowActivate) { + setActive(d->act); + } else if (e->type() == QEvent::WindowDeactivate) { + bool wasActive = d->act; + setActive(false); + d->act = wasActive; + } else if (e->type() == QEvent::WindowIconChange) { + update(); + } else if (e->type() == QEvent::WindowTitleChange) { + cutText(); + update(); + } + + d->inevent = false; + return QWidget::event(e); +} + +void Q3TitleBar::setMovable(bool b) +{ + d_func()->movable = b; +} + +bool Q3TitleBar::isMovable() const +{ + return d_func()->movable; +} + +void Q3TitleBar::setAutoRaise(bool b) +{ + d_func()->autoraise = b; +} + +bool Q3TitleBar::autoRaise() const +{ + return d_func()->autoraise; +} + +QSize Q3TitleBar::sizeHint() const +{ + ensurePolished(); + QStyleOptionTitleBar opt = d_func()->getStyleOption(); + QRect menur = style()->subControlRect(QStyle::CC_TitleBar, &opt, + QStyle::SC_TitleBarSysMenu, this); + return QSize(menur.width(), style()->pixelMetric(QStyle::PM_TitleBarHeight, &opt, this)); +} + +QT_END_NAMESPACE + +#endif //QT_NO_TITLEBAR |