--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qt3support/widgets/q3titlebar.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,630 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@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
+ 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)));
+ colorsInitialized = true;
+ BOOL gradient = false;
+ SystemParametersInfo(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