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Diffstat (limited to 'src/gui/widgets/qmdisubwindow_p.h')
| -rw-r--r-- | src/gui/widgets/qmdisubwindow_p.h | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/src/gui/widgets/qmdisubwindow_p.h b/src/gui/widgets/qmdisubwindow_p.h new file mode 100644 index 0000000..2e672d6 --- /dev/null +++ b/src/gui/widgets/qmdisubwindow_p.h @@ -0,0 +1,348 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtGui 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QMDISUBWINDOW_P_H +#define QMDISUBWINDOW_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qmdisubwindow.h" + +#ifndef QT_NO_MDIAREA + +#include <QStyle> +#include <QStyleOptionTitleBar> +#include <QMenuBar> +#include <QSizeGrip> +#include <QPointer> +#include <QDebug> +#include <private/qwidget_p.h> + +QT_BEGIN_NAMESPACE + +class QVBoxLayout; +class QMouseEvent; + +namespace QMdi { +template<typename T> +class ControlElement : public T +{ +public: + ControlElement(QMdiSubWindow *child) : T(child, 0) + { + Q_ASSERT(child); + mdiChild = child; + } + + void *qt_metacast(const char *classname) + { + if (classname && strcmp(classname, "ControlElement") == 0) + return this; + return 0; + } + + QPointer<QMdiSubWindow> mdiChild; +}; + +class ControlContainer : public QObject +{ +public: + ControlContainer(QMdiSubWindow *mdiChild); + ~ControlContainer(); + +#ifndef QT_NO_MENUBAR + void showButtonsInMenuBar(QMenuBar *menuBar); + void removeButtonsFromMenuBar(QMenuBar *menuBar = 0); + QMenuBar *menuBar() const { return m_menuBar; } +#endif + void updateWindowIcon(const QIcon &windowIcon); + QWidget *controllerWidget() const { return m_controllerWidget; } + QWidget *systemMenuLabel() const { return m_menuLabel; } + +private: + QPointer<QWidget> previousLeft; + QPointer<QWidget> previousRight; +#ifndef QT_NO_MENUBAR + QPointer<QMenuBar> m_menuBar; +#endif + QPointer<QWidget> m_controllerWidget; + QPointer<QWidget> m_menuLabel; + QPointer<QMdiSubWindow> mdiChild; +}; +} // namespace QMdi + +class QMdiSubWindowPrivate : public QWidgetPrivate +{ + Q_DECLARE_PUBLIC(QMdiSubWindow) +public: + // Enums and typedefs. + enum Operation { + None, + Move, + TopResize, + BottomResize, + LeftResize, + RightResize, + TopLeftResize, + TopRightResize, + BottomLeftResize, + BottomRightResize + }; + + enum ChangeFlag { + HMove = 0x01, + VMove = 0x02, + HResize = 0x04, + VResize = 0x08, + HResizeReverse = 0x10, + VResizeReverse = 0x20 + }; + + enum WindowStateAction { + RestoreAction, + MoveAction, + ResizeAction, + MinimizeAction, + MaximizeAction, + StayOnTopAction, + CloseAction, + /* Add new states _above_ this line! */ + NumWindowStateActions + }; + + struct OperationInfo { + uint changeFlags; + Qt::CursorShape cursorShape; + QRegion region; + bool hover; + OperationInfo(uint changeFlags, Qt::CursorShape cursorShape, bool hover = true) + : changeFlags(changeFlags), + cursorShape(cursorShape), + hover(hover) + {} + }; + + typedef QMap<Operation, OperationInfo> OperationInfoMap; + + QMdiSubWindowPrivate(); + + // Variables. + QPointer<QWidget> baseWidget; + QPointer<QWidget> restoreFocusWidget; + QPointer<QMdi::ControlContainer> controlContainer; +#ifndef QT_NO_SIZEGRIP + QPointer<QSizeGrip> sizeGrip; +#endif +#ifndef QT_NO_RUBBERBAND + QRubberBand *rubberBand; +#endif + QPoint mousePressPosition; + QRect oldGeometry; + QSize internalMinimumSize; + QSize userMinimumSize; + QSize restoreSize; + bool resizeEnabled; + bool moveEnabled; + bool isInInteractiveMode; +#ifndef QT_NO_RUBBERBAND + bool isInRubberBandMode; +#endif + bool isShadeMode; + bool ignoreWindowTitleChange; + bool ignoreNextActivationEvent; + bool activationEnabled; + bool isShadeRequestFromMinimizeMode; + bool isMaximizeMode; + bool isWidgetHiddenByUs; + bool isActive; + bool isExplicitlyDeactivated; + int keyboardSingleStep; + int keyboardPageStep; + int resizeTimerId; + Operation currentOperation; + QStyle::SubControl hoveredSubControl; + QStyle::SubControl activeSubControl; + Qt::FocusReason focusInReason; + OperationInfoMap operationMap; + QPointer<QMenu> systemMenu; +#ifndef QT_NO_ACTIONS + QPointer<QAction> actions[NumWindowStateActions]; +#endif + QMdiSubWindow::SubWindowOptions options; + QString lastChildWindowTitle; + QPalette titleBarPalette; + QString windowTitle; + QFont font; + QIcon menuIcon; + QStyleOptionTitleBar cachedStyleOptions; + QString originalTitle; + + // Slots. + void _q_updateStaysOnTopHint(); + void _q_enterInteractiveMode(); + void _q_processFocusChanged(QWidget *old, QWidget *now); + + // Functions. + void leaveInteractiveMode(); + void removeBaseWidget(); + void initOperationMap(); +#ifndef QT_NO_MENU + void createSystemMenu(); +#endif + void updateCursor(); + void updateDirtyRegions(); + void updateGeometryConstraints(); + void updateMask(); + void setNewGeometry(const QPoint &pos); + void setMinimizeMode(); + void setNormalMode(); + void setMaximizeMode(); + void setActive(bool activate, bool changeFocus = true); + void processClickedSubControl(); + QRegion getRegion(Operation operation) const; + Operation getOperation(const QPoint &pos) const; + QStyleOptionTitleBar titleBarOptions() const; + void ensureWindowState(Qt::WindowState state); + int titleBarHeight(const QStyleOptionTitleBar &options) const; + void sizeParameters(int *margin, int *minWidth) const; + bool drawTitleBarWhenMaximized() const; +#ifndef QT_NO_MENUBAR + QMenuBar *menuBar() const; + void showButtonsInMenuBar(QMenuBar *menuBar); + void removeButtonsFromMenuBar(); +#endif + void updateWindowTitle(bool requestFromChild); +#ifndef QT_NO_RUBBERBAND + void enterRubberBandMode(); + void leaveRubberBandMode(); +#endif + QPalette desktopPalette() const; + void updateActions(); + void setFocusWidget(); + void restoreFocus(); + void setWindowFlags(Qt::WindowFlags windowFlags); + void setVisible(WindowStateAction, bool visible = true); +#ifndef QT_NO_ACTION + void setEnabled(WindowStateAction, bool enable = true); +#ifndef QT_NO_MENU + void addToSystemMenu(WindowStateAction, const QString &text, const char *slot); +#endif +#endif // QT_NO_ACTION + QSize iconSize() const; +#ifndef QT_NO_SIZEGRIP + void setSizeGrip(QSizeGrip *sizeGrip); + void setSizeGripVisible(bool visible = true) const; +#endif + void updateInternalWindowTitle(); + QString originalWindowTitle(); + void setNewWindowTitle(); + + inline int titleBarHeight() const + { + Q_Q(const QMdiSubWindow); + if (!q->parent() || q->windowFlags() & Qt::FramelessWindowHint + || (q->isMaximized() && !drawTitleBarWhenMaximized())) { + return 0; + } + QStyleOptionTitleBar options = titleBarOptions(); + int height = options.rect.height(); + if (hasBorder(options)) + height += q->isMinimized() ? 8 : 4; + return height; + } + + inline QStyle::SubControl getSubControl(const QPoint &pos) const + { + Q_Q(const QMdiSubWindow); + QStyleOptionTitleBar titleBarOptions = this->titleBarOptions(); + return q->style()->hitTestComplexControl(QStyle::CC_TitleBar, &titleBarOptions, pos, q); + } + + inline void setNewGeometry(QRect *geometry) + { + Q_Q(QMdiSubWindow); + Q_ASSERT(q->parent()); + geometry->setSize(geometry->size().expandedTo(internalMinimumSize)); +#ifndef QT_NO_RUBBERBAND + if (isInRubberBandMode) + rubberBand->setGeometry(*geometry); + else +#endif + q->setGeometry(*geometry); + } + + inline bool hasBorder(const QStyleOptionTitleBar &options) const + { + Q_Q(const QMdiSubWindow); + return !q->style()->styleHint(QStyle::SH_TitleBar_NoBorder, &options, q); + } + + inline bool autoRaise() const + { + Q_Q(const QMdiSubWindow); + return q->style()->styleHint(QStyle::SH_TitleBar_AutoRaise, 0, q); + } + + inline bool isResizeOperation() const + { + return currentOperation != None && currentOperation != Move; + } + + inline bool isMoveOperation() const + { + return currentOperation == Move; + } +}; + +#endif // QT_NO_MDIAREA + +QT_END_NAMESPACE + +#endif // QMDISUBWINDOW_P_H |