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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 TQt extension set of
-// classes and a TQt-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@tdevelop.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 <tqptrlist.h>
-#include <tqpixmap.h>
-#include <tqpushbutton.h>
-#include <tqlabel.h>
-#include <tqdatetime.h>
-#include <tqlayout.h>
-
-#include <tqdict.h>
-
-#include "kmdichildfrmcaption.h"
-
-class KMdiChildArea;
-class KMdiChildView;
-class TQPopupMenu;
-class TQToolButton;
-
-//==============================================================================
-/**
- * @short Internal class, only used on Win32.
- * This class provides a label widget that can process mouse click events.
- */
-class KMDI_EXPORT KMdiWin32IconButton : public TQLabel
-{
- Q_OBJECT
-
-public:
- KMdiWin32IconButton( TQWidget* parent, const char* name = 0 );
- virtual void mousePressEvent( TQMouseEvent* );
-
-signals:
- void pressed();
-};
-
-//==============================================================================
-/* some special events, see kmdidefines.h
-*/
-//------------------------------------------------------------------------------
-/**
- * @short a TQCustomEvent for move
- * This special event will be useful, to inform view about child frame event.
- */
-class KMDI_EXPORT KMdiChildFrmMoveEvent : public TQCustomEvent
-{
-public:
- KMdiChildFrmMoveEvent( TQMoveEvent *e ) : TQCustomEvent( TQEvent::Type( TQEvent::User + int( KMdi::EV_Move ) ), e ) {}
-
-};
-
-//------------------------------------------------------------------------------
-/**
- * @short a TQCustomEvent for begin of dragging
- * This special event will be useful, to inform view about child frame event.
- */
-class KMDI_EXPORT KMdiChildFrmDragBeginEvent : public TQCustomEvent
-{
-public:
- KMdiChildFrmDragBeginEvent( TQMouseEvent *e ) : TQCustomEvent( TQEvent::Type( TQEvent::User + int( KMdi::EV_DragBegin ) ), e ) {}
-};
-
-//------------------------------------------------------------------------------
-/**
- * @short a TQCustomEvent for end of dragging
- * This special event will be useful, to inform view about child frame event.
- */
-class KMDI_EXPORT KMdiChildFrmDragEndEvent : public TQCustomEvent
-{
-public:
- KMdiChildFrmDragEndEvent( TQMouseEvent *e ) : TQCustomEvent( TQEvent::Type( TQEvent::User + int( KMdi::EV_DragEnd ) ), e ) {}
-};
-
-//------------------------------------------------------------------------------
-/**
- * @short a TQCustomEvent for begin of resizing
- * This special event will be useful, to inform view about child frame event.
- */
-class KMDI_EXPORT KMdiChildFrmResizeBeginEvent : public TQCustomEvent
-{
-public:
- KMdiChildFrmResizeBeginEvent( TQMouseEvent *e ) : TQCustomEvent( TQEvent::Type( TQEvent::User + int( KMdi::EV_ResizeBegin ) ), e ) {}
-};
-
-//------------------------------------------------------------------------------
-/**
- * @short a TQCustomEvent for end of resizing
- * This special event will be useful, to inform view about child frame event.
- */
-class KMDI_EXPORT KMdiChildFrmResizeEndEvent : public TQCustomEvent
-{
-public:
- KMdiChildFrmResizeEndEvent( TQMouseEvent *e ) : TQCustomEvent( TQEvent::Type( TQEvent::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 TQFrame
-{
- 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;
- TQToolButton* m_pUnixIcon;
- TQToolButton* m_pMinimize;
- TQToolButton* m_pMaximize;
- TQToolButton* m_pClose;
- TQToolButton* m_pUndock;
- MdiWindowState m_state;
- TQRect m_restoredRect;
- int m_iResizeCorner;
- int m_iLastCursorCorner;
- bool m_bResizing;
- bool m_bDragging;
- TQPixmap* m_pIconButtonPixmap;
- TQPixmap* m_pMinButtonPixmap;
- TQPixmap* m_pMaxButtonPixmap;
- TQPixmap* m_pRestoreButtonPixmap;
- TQPixmap* m_pCloseButtonPixmap;
- TQPixmap* 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
- */
- TQPopupMenu* m_pSystemMenu;
-
- TQSize m_oldClientMinSize;
- TQSize m_oldClientMaxSize;
- TQLayout::ResizeMode m_oldLayoutResizeMode;
- TQTime 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( TQPoint positionOffset = TQPoint( 0, 0 ) );
-
- /**
- * Sets the window icon pointer.
- */
- void setIcon( const TQPixmap &pxm );
-
- /**
- * Returns the child frame icon.
- */
- TQPixmap* icon() const;
-
- /**
- * Enables or disables the close button
- */
- void enableClose( bool bEnable );
-
- /**
- * Sets the caption of this window
- */
- void setCaption( const TQString& text );
-
- /**
- * Gets the caption of this mdi child.
- */
- const TQString& 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).
- */
- TQRect mdiAreaContentsRect() const;
-
- /**
- * Returns the geometry that will be restored by calling restore().
- */
- TQRect restoreGeometry() const;
-
- /**
- * Sets the geometry that will be restored by calling restore().
- */
- void setRestoreGeometry( const TQRect& 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.
- */
- TQPopupMenu* 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( TQResizeEvent * );
-
- /**
- * 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( TQMouseEvent *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( TQMouseEvent *e );
-
- /**
- * Reimplemented from the base class.
- * Sets a normal cursor and leaves the resize mode.
- */
- virtual void mouseReleaseEvent( TQMouseEvent * );
-
- /**
- * 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( TQMoveEvent* me );
-
- /**
- * Reimplemented from the base class. If not in resize mode, it sets the mouse cursor to normal appearance.
- */
- virtual void leaveEvent( TQEvent * );
-
- /**
- * 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( TQObject*, TQEvent* );
-
- /**
- * 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( TQDict<TQ_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)
- */
- TQDict<TQ_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;