| /**************************************************************************** | |
| ** | |
| ** Copyright (C) 2011 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. | |
| ** | |
| ** $QT_BEGIN_LICENSE:LGPL$ | |
| ** GNU Lesser General Public License Usage | |
| ** 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. | |
| ** | |
| ** 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. | |
| ** | |
| ** Other Usage | |
| ** Alternatively, this file may be used in accordance with the terms and | |
| ** conditions contained in a signed written agreement between you and Nokia. | |
| ** | |
| ** | |
| ** | |
| ** | |
| ** | |
| ** $QT_END_LICENSE$ | |
| ** | |
| ****************************************************************************/ | |
| #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 |