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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite9ae80694875f869892f13f4fcaf1170a00dea41 (patch)
treeaa2f8d8a217e2d376224c8d46b7397b68d35de2d /lib/compatibility/kmdi/qextmdi/kmdichildfrm.h
downloadtdewebdev-e9ae80694875f869892f13f4fcaf1170a00dea41.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdewebdev@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+//----------------------------------------------------------------------------
+// filename : kmdichildfrm.h
+//----------------------------------------------------------------------------
+// Project : KDE MDI extension
+//
+// begin : 07/1999 by Szymon Stefanek as part of kvirc
+// (an IRC application)
+// changes : 09/1999 by Falk Brettschneider to create an
+// - 06/2000 stand-alone Qt extension set of
+// classes and a Qt-based library
+// 2000-2003 maintained by the KDevelop project
+// patches : */2000 Lars Beikirch (Lars.Beikirch@gmx.net)
+//
+// copyright : (C) 1999-2003 by Falk Brettschneider
+// and
+// Szymon Stefanek (stefanek@tin.it)
+// email : falkbr@kdevelop.org (Falk Brettschneider)
+//----------------------------------------------------------------------------
+//
+//----------------------------------------------------------------------------
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU Library General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+//------------------------------------------------------------------------------
+#ifndef _KMDI_CHILD_FRM_H_
+#define _KMDI_CHILD_FRM_H_
+
+#include <qptrlist.h>
+#include <qpixmap.h>
+#include <qpushbutton.h>
+#include <qlabel.h>
+#include <qdatetime.h>
+#include <qlayout.h>
+
+#include <qdict.h>
+
+#include "kmdichildfrmcaption.h"
+
+class KMdiChildArea;
+class KMdiChildView;
+class QPopupMenu;
+class QToolButton;
+
+//==============================================================================
+/**
+ * @short Internal class, only used on Win32.
+ * This class provides a label widget that can process mouse click events.
+ */
+class KMDI_EXPORT KMdiWin32IconButton : public QLabel
+{
+ Q_OBJECT
+public:
+ KMdiWin32IconButton( QWidget* parent, const char* name = 0 );
+ virtual void mousePressEvent( QMouseEvent* );
+
+signals:
+ void pressed();
+};
+
+//==============================================================================
+/* some special events, see kmdidefines.h
+*/
+//------------------------------------------------------------------------------
+/**
+ * @short a QCustomEvent for move
+ * This special event will be useful, to inform view about child frame event.
+ */
+class KMDI_EXPORT KMdiChildFrmMoveEvent : public QCustomEvent
+{
+public:
+ KMdiChildFrmMoveEvent( QMoveEvent *e ) : QCustomEvent( QEvent::Type( QEvent::User + int( KMdi::EV_Move ) ), e ) {}
+
+};
+
+//------------------------------------------------------------------------------
+/**
+ * @short a QCustomEvent for begin of dragging
+ * This special event will be useful, to inform view about child frame event.
+ */
+class KMDI_EXPORT KMdiChildFrmDragBeginEvent : public QCustomEvent
+{
+public:
+ KMdiChildFrmDragBeginEvent( QMouseEvent *e ) : QCustomEvent( QEvent::Type( QEvent::User + int( KMdi::EV_DragBegin ) ), e ) {}
+};
+
+//------------------------------------------------------------------------------
+/**
+ * @short a QCustomEvent for end of dragging
+ * This special event will be useful, to inform view about child frame event.
+ */
+class KMDI_EXPORT KMdiChildFrmDragEndEvent : public QCustomEvent
+{
+public:
+ KMdiChildFrmDragEndEvent( QMouseEvent *e ) : QCustomEvent( QEvent::Type( QEvent::User + int( KMdi::EV_DragEnd ) ), e ) {}
+};
+
+//------------------------------------------------------------------------------
+/**
+ * @short a QCustomEvent for begin of resizing
+ * This special event will be useful, to inform view about child frame event.
+ */
+class KMDI_EXPORT KMdiChildFrmResizeBeginEvent : public QCustomEvent
+{
+public:
+ KMdiChildFrmResizeBeginEvent( QMouseEvent *e ) : QCustomEvent( QEvent::Type( QEvent::User + int( KMdi::EV_ResizeBegin ) ), e ) {}
+};
+
+//------------------------------------------------------------------------------
+/**
+ * @short a QCustomEvent for end of resizing
+ * This special event will be useful, to inform view about child frame event.
+ */
+class KMDI_EXPORT KMdiChildFrmResizeEndEvent : public QCustomEvent
+{
+public:
+ KMdiChildFrmResizeEndEvent( QMouseEvent *e ) : QCustomEvent( QEvent::Type( QEvent::User + int( KMdi::EV_ResizeEnd ) ), e ) {}
+};
+
+
+class KMdiChildFrmPrivate;
+//==============================================================================
+/**
+ * @short Internal class.
+ * It's an MDI child frame widget. It contains a view widget and a frame caption. Usually you derive from its view.
+ */
+//------------------------------------------------------------------------------
+class KMDI_EXPORT KMdiChildFrm : public QFrame
+{
+ friend class KMdiChildArea;
+ friend class KMdiChildFrmCaption;
+
+ Q_OBJECT
+
+ // attributes
+public:
+ enum MdiWindowState { Normal, Maximized, Minimized };
+ //positions same in h and cpp for fast order check
+ KMdiChildView* m_pClient;
+
+protected:
+ KMdiChildArea* m_pManager;
+ KMdiChildFrmCaption* m_pCaption;
+ KMdiWin32IconButton* m_pWinIcon;
+ QToolButton* m_pUnixIcon;
+ QToolButton* m_pMinimize;
+ QToolButton* m_pMaximize;
+ QToolButton* m_pClose;
+ QToolButton* m_pUndock;
+ MdiWindowState m_state;
+ QRect m_restoredRect;
+ int m_iResizeCorner;
+ int m_iLastCursorCorner;
+ bool m_bResizing;
+ bool m_bDragging;
+ QPixmap* m_pIconButtonPixmap;
+ QPixmap* m_pMinButtonPixmap;
+ QPixmap* m_pMaxButtonPixmap;
+ QPixmap* m_pRestoreButtonPixmap;
+ QPixmap* m_pCloseButtonPixmap;
+ QPixmap* m_pUndockButtonPixmap;
+
+ /**
+ * Every child frame window has an temporary ID in the Window menu of the child area.
+ */
+ int m_windowMenuID;
+
+ /**
+ * Imitates a system menu for child frame windows
+ */
+ QPopupMenu* m_pSystemMenu;
+
+ QSize m_oldClientMinSize;
+ QSize m_oldClientMaxSize;
+ QLayout::ResizeMode m_oldLayoutResizeMode;
+ QTime m_timeMeasure;
+
+ // methods
+public:
+
+ /**
+ * Creates a new KMdiChildFrm class.
+ */
+ KMdiChildFrm( KMdiChildArea *parent );
+
+ /**
+ * Destroys this KMdiChildFrm
+ * If a child is still here managed (no recreation was made) it is destroyed too.
+ */
+ ~KMdiChildFrm();
+
+ /**
+ * Reparents the widget w to this KMdiChildFrm (if this is not already done)
+ * Installs an event filter to catch focus events.
+ * Resizes this mdi child in a way that the child fits perfectly in.
+ */
+ void setClient( KMdiChildView *w, bool bAutomaticResize = false );
+
+ /**
+ * Reparents the client widget to 0 (desktop), moves with an offset from the original position
+ * Removes the event filter.
+ */
+ void unsetClient( QPoint positionOffset = QPoint( 0, 0 ) );
+
+ /**
+ * Sets the window icon pointer.
+ */
+ void setIcon( const QPixmap &pxm );
+
+ /**
+ * Returns the child frame icon.
+ */
+ QPixmap* icon() const;
+
+ /**
+ * Enables or disables the close button
+ */
+ void enableClose( bool bEnable );
+
+ /**
+ * Sets the caption of this window
+ */
+ void setCaption( const QString& text );
+
+ /**
+ * Gets the caption of this mdi child.
+ */
+ const QString& caption() { return m_pCaption->m_szCaption; }
+
+ /**
+ * Minimizes, Maximizes, or restores the window.
+ */
+ void setState( MdiWindowState state, bool bAnimate = true );
+
+ /**
+ * Returns the current state of the window
+ */
+ inline MdiWindowState state() const { return m_state; }
+
+ /**
+ * Returns the inner client area of the parent of this (which is KMdiChildArea).
+ */
+ QRect mdiAreaContentsRect() const;
+
+ /**
+ * Returns the geometry that will be restored by calling restore().
+ */
+ QRect restoreGeometry() const;
+
+ /**
+ * Sets the geometry that will be restored by calling restore().
+ */
+ void setRestoreGeometry( const QRect& newRestGeo );
+
+ /**
+ * Forces updating the rects of the caption and so...
+ * It may be useful when setting the mdiCaptionFont of the MdiManager
+ */
+ void updateRects() { resizeEvent( 0 ); }
+
+ /**
+ * Returns the system menu.
+ */
+ QPopupMenu* systemMenu() const;
+
+ /**
+ * Returns the caption bar height
+ */
+ inline int captionHeight() const { return m_pCaption->height(); }
+
+ /**
+ * sets new raise behavior and pixmaps of the buttons depending on the current decoration style
+ */
+ void redecorateButtons();
+
+ /**
+ * returns the mouse state "In Drag"
+ */
+ bool isInDrag() const { return m_bDragging; }
+
+ /**
+ * returns the mouse state "In Resize"
+ */
+ bool isInResize() const { return m_bResizing; }
+
+ /**
+ * Internally called from the signal focusInEventOccurs.
+ * It raises the MDI childframe to the top of all other MDI child frames and sets the focus on it.
+ */
+ void raiseAndActivate();
+
+ /**
+ * Sets the minimum size of the widget to w by h pixels.
+ * It extends it's base clase method in a way that the minimum size of
+ * the child area will be set additionally if the view is maximized.
+ */
+ virtual void setMinimumSize ( int minw, int minh );
+
+public slots:
+
+ void slot_resizeViaSystemMenu();
+
+protected:
+
+ /**
+ * Reimplemented from the base class.
+ * Resizes the captionbar, relayouts the position of the system buttons,
+ * and calls resize for its embedded KMdiChildView with the proper size
+ */
+ virtual void resizeEvent( QResizeEvent * );
+
+ /**
+ * Reimplemented from the base class.
+ * Detects if the mouse is on the edge of window and what resize cursor must be set.
+ * Calls KMdiChildFrm::resizeWindow if it is in m_bResizing.
+ */
+ virtual void mouseMoveEvent( QMouseEvent *e );
+
+ /**
+ * Reimplemented from the base class.
+ * Colours the caption, raises the childfrm widget and
+ * turns to resize mode if it is on the edge (resize-sensitive area)
+ */
+ virtual void mousePressEvent( QMouseEvent *e );
+
+ /**
+ * Reimplemented from the base class.
+ * Sets a normal cursor and leaves the resize mode.
+ */
+ virtual void mouseReleaseEvent( QMouseEvent * );
+
+ /**
+ * Reimplemented from the base class.
+ * give its child view the chance to notify a childframe move... that's why it sends
+ * a KMdiChildMovedEvent to the embedded KMdiChildView .
+ */
+ virtual void moveEvent( QMoveEvent* me );
+
+ /**
+ * Reimplemented from the base class. If not in resize mode, it sets the mouse cursor to normal appearance.
+ */
+ virtual void leaveEvent( QEvent * );
+
+ /**
+ * Reimplemented from the base class.
+ * In addition, the following are caught
+ * -the client's mousebutton press events which raises and activates the childframe
+ * -the client's resize event which resizes this widget as well
+ */
+ virtual bool eventFilter( QObject*, QEvent* );
+
+ /**
+ * Calculates the new geometry from the new mouse position given as parameters
+ * and calls KMdiChildFrm::setGeometry
+ */
+ void resizeWindow( int resizeCorner, int x, int y );
+
+ /**
+ * Override the cursor appearance depending on the widget corner given as parameter
+ */
+ void setResizeCursor( int resizeCorner );
+
+ /**
+ * Changes from the resize cursor to the normal (previous) cursor
+ */
+ void unsetResizeCursor();
+
+ /**
+ * That means to show a mini window showing the childframe's caption bar, only.
+ * It cannot be resized.
+ */
+ virtual void switchToMinimizeLayout();
+
+ /**
+ * Does the actual resize. Called from various places but from resizeEvent in general.
+ */
+ void doResize();
+
+ /**
+ * Does the actual resize, like doResize() but skips resize of the client if \a captionOnly is true.
+ * @todo: merge with doResize()
+ */
+ void doResize( bool captionOnly );
+
+protected slots:
+
+ /**
+ * Handles a click on the Maximize button
+ */
+ void maximizePressed();
+
+ /**
+ * Handles a click on the Restore (Normalize) button
+ */
+ void restorePressed();
+
+ /**
+ * Handles a click on the Minimize button.
+ */
+ void minimizePressed();
+
+ /**
+ * Handles a click on the Close button.
+ */
+ void closePressed();
+
+ /**
+ * Handles a click on the Undock (Detach) button
+ */
+ void undockPressed();
+
+ /**
+ * Shows a system menu for child frame windows.
+ */
+ void showSystemMenu();
+
+protected:
+
+ /**
+ * Restore the focus policies for _all_ widgets in the view using the list given as parameter.
+ * Install the event filter for all direct child widgets of this. (See KMdiChildFrm::eventFilter)
+ */
+ void linkChildren( QDict<FocusPolicy>* pFocPolDict );
+
+ /**
+ * Backups all focus policies of _all_ child widgets in the MDI childview since they get lost during a reparent.
+ * Remove all event filters for all direct child widgets of this. (See KMdiChildFrm::eventFilter)
+ */
+ QDict<QWidget::FocusPolicy>* unlinkChildren();
+
+ /**
+ * Calculates the corner id for the resize cursor. The return value can be tested for:
+ * KMDI_RESIZE_LEFT, KMDI_RESIZE_RIGHT, KMDI_RESIZE_TOP, KMDI_RESIZE_BOTTOM
+ * or an OR'd variant of them for the corners.
+ */
+ int getResizeCorner( int ax, int ay );
+
+private:
+ KMdiChildFrmPrivate *d;
+};
+
+#endif //_KMDICHILDFRM_H_
+
+// kate: space-indent off; replace-tabs off; tab-width 4; indent-mode csands;