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-//----------------------------------------------------------------------------
-// filename : kmdichildview.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 : 02/2000 by Massimo Morin (mmorin@schedsys.com)
-// */2000 by Lars Beikirch (Lars.Beikirch@gmx.net)
-// 02/2001 by Eva Brucherseifer (eva@rt.e-technik.tu-darmstadt.de)
-// 01/2003 by Jens Zurheide (jens.zurheide@gmx.de)
-//
-// 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_VIEW_H_
-#define _KMDI_CHILD_VIEW_H_
-
-#include <tqwidget.h>
-#include <tqpixmap.h>
-#include <tqrect.h>
-#include <tqapplication.h>
-#include <tqdatetime.h>
-
-#include "kmdichildfrm.h"
-
-class KMdiChildViewPrivate;
-
-/**
- * @short Base class for all your special view windows.
- *
- * Base class for all MDI view widgets. KMdi stores additional information in this class
- * to handle the attach/detach mechanism and such things.
- *
- * All such windows 'lives' attached to a KMdiChildFrm widget
- * managed by KMdiChildArea, or detached (managed by the window manager.)
- * So remember that the KMdiChildView::parent pointer may change, and may be 0L, too.
- *
- * There are 2 possibilities for you to put your widgets under MDI control:
- *
- * Either you inherit all the views from KMdiChildView:
- * \code
- * class MyMdiWidget : public KMdiChildView
- * { .... };
- * ...
- * MyMdiWidget w;
- * mainframe->addWindow(w, flags);
- * \endcode
- *
- * or you wrap them by a KMdiChildView somehow like this:
- *
- * \code
- * void DocViewMan::addKMdiFrame(TQWidget* pNewView, bool bShow, const TQPixmap& icon)
- * {
- * // cover it by a KMdi childview and add that MDI system
- * KMdiChildView* pMDICover = new KMdiChildView( pNewView->caption());
- * pMDICover->setIcon(icon);
- * m_MDICoverList.append( pMDICover);
- * TQBoxLayout* pLayout = new TQHBoxLayout( pMDICover, 0, -1, "layout");
- * pNewView->reparent( pMDICover, TQPoint(0,0));
- * pLayout->addWidget( pNewView);
- * pMDICover->setName( pNewView->name());
- * // captions
- * TQString shortName = pNewView->caption();
- * int length = shortName.length();
- * shortName = shortName.right(length - (shortName.findRev('/') +1));
- * pMDICover->setTabCaption( shortName);
- * pMDICover->setCaption(pNewView->caption());
- *
- * // fake a viewActivated to update the currentEditView/currentBrowserView pointers _before_ adding to MDI control
- * slot_viewActivated( pMDICover);
- *
- * // take it under MDI mainframe control (note: this triggers also a setFocus())
- * int flags;
- * if (bShow) {
- * flags = KMdi::StandardAdd;
- * }
- * else {
- * flags = KMdi::Hide;
- * }
- * // set the accelerators for Toplevel MDI mode (each toplevel window needs its own accels
- * connect( m_pParent, TQT_SIGNAL(childViewIsDetachedNow(TQWidget*)), this, TQT_SLOT(initKeyAccel(TQWidget*)) );
- *
- * m_pParent->addWindow( pMDICover, flags);
- * // correct the default settings of KMdi ('cause we haven't a tab order for subwidget focuses)
- * pMDICover->setFirstFocusableChildWidget(0L);
- * pMDICover->setLastFocusableChildWidget(0L);
- * }
- * \endcode
- *
- */
-
-class KMDI_EXPORT KMdiChildView : public TQWidget
-{
- friend class KMdiMainFrm;
- friend class KMdiChildFrm;
- Q_OBJECT
-
-
- // attributes
-protected:
- /**
- * See KMdiChildView::caption
- */
- TQString m_szCaption;
-
- /**
- * See KMdiChildView::tabCaption
- */
- TQString m_sTabCaption;
-
- /**
- * See KMdiChildView::focusedChildWidget
- */
- TQWidget* m_focusedChildWidget;
-
- /**
- * See KMdiChildView::setFirstFocusableChildWidget
- */
- TQWidget* m_firstFocusableChildWidget;
-
- /**
- * See KMdiChildView::setLastFocusableChildWidget
- */
- TQWidget* m_lastFocusableChildWidget;
-
- /**
- * Every child view window has an temporary ID in the Window menu of the main frame.
- */
- int m_windowMenuID;
-
- /**
- * Holds a temporary information about if the MDI view state has changed but is not processed yet (pending state).
- * For example it could be that a 'maximize' is pending, if this variable is true.
- */
- bool m_stateChanged;
-
- /**
- * Holds the time when this view was activated (not only displayed) for the last time.
- */
- TQDateTime m_time;
-
-private:
- /**
- * Internally used as indicator whether this KMdiChildView is treated as document view or as tool view.
- */
- bool m_bToolView;
-
- /**
- * Internally used by KMdiMainFrm to store a temporary information that the method
- * activate() is unnecessary and that it can by escaped.
- * This saves from unnecessary calls when activate is called directly.
- */
- bool m_bInterruptActivation;
-
- /**
- * Internally used to prevent cycles between KMdiMainFrm::activateView() and KMdiChildView::activate().
- */
- bool m_bMainframesActivateViewIsPending;
-
- /**
- * Internally used to check if there is a focus in event pending
- */
- bool m_bFocusInEventIsPending;
-
- // methods
-public:
- /**
- * Constructor
- */
- KMdiChildView( const TQString& caption, TQWidget* parentWidget = 0L, const char* name = 0L, WFlags f = 0 );
-
- /**
- * Constructor
- * sets "Unnamed" as default caption
- */
- KMdiChildView( TQWidget* parentWidget = 0L, const char* name = 0L, WFlags f = 0 );
-
- /**
- * Destructor
- */
- ~KMdiChildView();
-
- /**
- * This method does the same as focusInEvent(). That's why it is a replacement for the setFocus() call. It makes
- * sense if you for instance want to focus (I mean raise and activate) this view although the real focus is
- * in another toplevel widget. focusInEvent() will never get called in that case and your setFocus() call for this
- * widget would fail without any effect.
- * Use this method with caution, it always raises the view and pushes the taskbar button. Also when the focus is
- * still on another MDI view in the same toplevel window where this is located!
- */
- void activate();
-
- /**
- * Memorizes the first focusable child widget of this widget
- */
- void setFirstFocusableChildWidget( TQWidget* );
-
- /**
- * Memorizes the last focusable child widget of this widget
- */
- void setLastFocusableChildWidget( TQWidget* );
-
- /**
- * Returns the current focused child widget of this widget
- */
- TQWidget* focusedChildWidget();
-
- /**
- * Returns true if the MDI view is a child window within the MDI mainframe widget
- * or false if the MDI view is in toplevel mode
- */
- bool isAttached() const { return ( mdiParent() != 0L ); }
-
- /**
- * Returns the caption of the child window (different from the caption on the button in the taskbar)
- */
- const TQString& caption() const { return m_szCaption; }
-
- /**
- * Returns the caption of the button on the taskbar
- */
- const TQString& tabCaption() const { return m_sTabCaption; }
-
- /**
- * Sets the window caption string...
- * Calls updateButton on the taskbar button if it has been set.
- */
- virtual void setCaption( const TQString& szCaption );
-
- /**
- * Sets the caption of the button referring to this window
- */
- virtual void setTabCaption( const TQString& caption );
-
- /**
- * Sets the caption of both the window and the button on the taskbar
- */
- virtual void setMDICaption( const TQString &caption );
-
- /**
- * Returns the KMdiChildFrm parent widget (or 0 if the window is not attached)
- */
- KMdiChildFrm *mdiParent() const;
-
- /**
- * Tells if the window is minimized when attached to the Mdi manager,
- * or if it is VISIBLE when 'floating'.
- */
- bool isMinimized() const;
-
- /**
- * Tells if the window is minimized when attached to the Mdi manager,
- * otherwise returns false.
- */
- bool isMaximized() const;
-
- /**
- * Returns the geometry of this MDI child window as TQWidget::geometry() does.
- */
- TQRect internalGeometry() const;
-
- /**
- * Sets the geometry of the client area of this MDI child window. The
- * top left position of the argument is the position of the top left point
- * of the client area in its parent coordinates and the arguments width
- * and height is the width and height of the client area. Please note: This
- * differs from the behavior of TQWidget::setGeometry()!
- */
- void setInternalGeometry( const TQRect& newGeomety );
-
- /**
- * Returns the frame geometry of this window or of the parent if there is any...
- */
- TQRect externalGeometry() const;
-
- /**
- * Sets the geometry of the frame of this MDI child window. The top left
- * position of the argument is the position of the top left point of the
- * frame in its parent coordinates and the arguments width and height is
- * the width and height of the widget frame. Please note: This differs
- * from the behavior of TQWidget::setGeometry()!
- */
- void setExternalGeometry( const TQRect& newGeomety );
-
- /**
- * You should override this function in the derived class.
- */
- virtual TQPixmap* myIconPtr();
-
- /**
- * Minimizes this window when it is attached to the Mdi manager.
- * Otherwise has no effect
- */
- virtual void minimize( bool bAnimate );
-
- /**
- * Maximizes this window when it is attached to the Mdi manager.
- * Otherwise has no effect
- */
- virtual void maximize( bool bAnimate );
-
- /**
- * Returns the geometry that will be restored by calling restore().
- */
- TQRect restoreGeometry();
-
- /**
- * Sets the geometry that will be restored by calling restore().
- */
- void setRestoreGeometry( const TQRect& newRestGeo );
-
- /**
- * Switches interposing in event loop of all current child widgets off.
- */
- void removeEventFilterForAllChildren();
-
- /**
- * Internally used for setting an ID for the 'Window' menu entry
- */
- void setWindowMenuID( int id );
-
- /**
- * Sets the minimum size of the widget to w by h pixels.
- * It extends it base clase method in a way that the minimum size of
- * its childframe (if there is one) will be set, additionally.
- */
- virtual void setMinimumSize ( int minw, int minh );
-
- /**
- * Sets the maximum size of the widget to w by h pixels.
- * It extends it base clase method in a way that the maximum size of
- * its childframe (if there is one) will be set, additionally.
- */
- virtual void setMaximumSize ( int maxw, int maxh );
-
- /**
- * Returns if this is added as MDI tool-view
- */
- inline bool isToolView() const { return m_bToolView; }
-
- /**
- * Remember the current time
- */
- inline void updateTimeStamp()
- {
- m_time.setDate( TQDate::currentDate() );
- m_time.setTime( TQTime::currentTime() );
- }
-
- /**
- * Recall a previously remembered time, i.e. the value of m_time
- */
- inline const TQDateTime& getTimeStamp() const { return m_time; }
-
-public slots:
- /**
- * Attaches this window to the Mdi manager.
- * It calls the KMdiMainFrm attachWindow function , so if you have a pointer
- * to this KMdiMainFrm you'll be faster calling that function.
- */
- virtual void attach();
-
- /**
- * Detaches this window from the Mdi manager.
- * It calls the KMdiMainFrm detachWindow function , so if you have a pointer
- * to this KMdiMainFrm you'll be faster calling that function.
- */
- virtual void detach();
-
- /**
- * Mimimizes the MDI view. If attached, the covering childframe widget is minimized (only a mini widget
- * showing the caption bar and the system buttons will remain visible). If detached, it will use the
- * minimize of the underlying system ( TQWidget::showMinimized ).
- */
- virtual void minimize();
-
- /**
- * Maximizes the MDI view. If attached, this widget will fill the whole MDI view area widget. The system buttons
- * move to the main menubar (if set by KMdiMainFrm::setMenuForSDIModeSysButtons ).
- * If detached, it will use the minimize of the underlying system ( TQWidget::showMaximized ).
- */
- virtual void maximize();
-
- /**
- * Restores this window to its normal size. Also known as 'normalize'.
- */
- virtual void restore();
-
- /**
- * Internally called, if KMdiMainFrm::attach is called.
- * Actually, only the caption of the covering childframe is set.
- */
- virtual void youAreAttached( KMdiChildFrm *lpC );
-
- /**
- * Internally called, if KMdiMainFrm::detach is called.
- * Some things for going toplevel will be done here.
- */
- virtual void youAreDetached();
-
- /**
- * Called if someone click on the "Window" menu item for this child frame window
- */
- virtual void slot_clickedInWindowMenu();
-
- /**
- * Called if someone click on the "Dock/Undock..." menu item for this child frame window
- */
- virtual void slot_clickedInDockMenu();
-
- /**
- * Calls TQWidget::show but also for it's parent widget if attached
- */
- virtual void show();
-
- /**
- * Calls TQWidget::hide() or it's parent widget hide() if attached
- */
- virtual void hide();
-
- /**
- * Calls TQWidget::raise() or it's parent widget raise() if attached
- */
- virtual void raise();
-
- /**
- * Overridden from its base class method. Emits a signal KMdiChildView::isMinimizedNow , additionally.
- * Note that this method is not used by an external windows manager call on system minimizing.
- */
- virtual void showMinimized();
-
- /**
- * Overridden from its base class method. Emits a signal KMdiChildView::isMaximizedNow , additionally.
- * Note that this method is not used by an external windows manager call on system maximizing.
- */
- virtual void showMaximized();
-
- /**
- * Overridden from its base class method. Emits a signal KMdiChildView::isRestoredNow , additionally.
- * Note that this method is not used by an external windows manager call on system normalizing.
- */
- virtual void showNormal();
-
-
-protected:
- /**
- * Ignores the event and calls KMdiMainFrm::childWindowCloseRequest instead. This is because the
- * mainframe has control over the views. Therefore the MDI view has to request the mainframe for a close.
- */
- virtual void closeEvent( TQCloseEvent *e );
-
- /**
- * It only catches TQEvent::KeyPress events there. If a TQt::Key_Tab is pressed, the internal MDI focus
- * handling is called. That means if the last focusable child widget of this is called, it will jump to the
- * first focusable child widget of this.
- * See KMdiChildView::setFirstFocusableChildWidget and KMdiChildView::lastFirstFocusableChildWidget
- */
- virtual bool eventFilter( TQObject *obj, TQEvent *e );
-
- /**
- * If attached, the childframe will be activated and the MDI taskbar button will be pressed. Additionally, the
- * memorized old focused child widget of this is focused again.
- * Sends the focusInEventOccurs signal before changing the focus and the
- * gotFocus signal after changing the focus.
- */
- virtual void focusInEvent( TQFocusEvent *e );
-
- /**
- * Send the lostFocus signal
- */
- virtual void focusOutEvent( TQFocusEvent *e );
-
- /**
- * Internally used for the minimize/maximize/restore mechanism when in attach mode.
- */
- virtual void resizeEvent( TQResizeEvent *e );
-
- void trackIconAndCaptionChanges( TQWidget *view );
-
-protected slots:
- void slot_childDestroyed();
-
-signals:
- /**
- * Internally used by KMdiChildView::attach to send it as command to the mainframe.
- */
- void attachWindow( KMdiChildView*, bool );
-
- /**
- * Internally used by KMdiChildView::detach to send it as command to the mainframe.
- */
- void detachWindow( KMdiChildView*, bool );
-
- /**
- * Is sent when this MDI child view is going to receive focus (before actually changing the focus).
- * Internally used to send information to the mainframe that this MDI child view is focused.
- * See KMdiChildView::focusInEvent
- */
- void focusInEventOccurs( KMdiChildView* );
-
- /**
- * Is sent when this MDI child has received the focus (after actually changing the focus).
- * See KMdiChildView::focusInEvent
- */
- void gotFocus( KMdiChildView* );
-
- /**
- * Is sent when this MDI child was set to the activate view of all MDI views (after actually changing the focus).
- * See KMdiChildView::activate
- */
- void activated( KMdiChildView* );
-
- /** Is sent when this MDI child view has lost the focus (after actually changing the focus).
- * See KMdiChildView::focusOutEvent
- */
- void lostFocus( KMdiChildView* );
-
- /** Is sent when this MDI child view was deactivated (after actually changing the focus).
- * See KMdiChildView::focusOutEvent
- */
- void deactivated( KMdiChildView* );
-
- /**
- * Internally used to send information to the mainframe that this MDI child view wants to be closed.
- * See KMdiChildView::closeEvent and KMdiMainFrm::closeWindow
- */
- void childWindowCloseRequest( KMdiChildView* );
-
- /**
- * Emitted when the window caption is changed via KMdiChildView::setCaption or KMdiChildView::setMDICaption
- */
- void windowCaptionChanged( const TQString& );
-
- /**
- * Emitted when the window caption is changed via KMdiChildView::setTabCaption or KMdiChildView::setMDICaption
- */
- void tabCaptionChanged( const TQString& );
-
- /**
- * Internally used to send information to the mainframe that this MDI view is maximized now.
- * Usually, the mainframe switches system buttons.
- */
- void mdiParentNowMaximized( bool );
-
- /**
- * Is automatically emitted when slot_clickedInWindowMenu is called
- */
- void clickedInWindowMenu( int );
-
- /**
- * Is automatically emitted when slot_clickedInDockMenu is called
- */
- void clickedInDockMenu( int );
-
- /**
- * Signals this has been maximized
- */
- void isMaximizedNow();
-
- /**
- * Signals this has been minimized
- */
- void isMinimizedNow();
-
- /**
- * Signals this has been restored (normalized)
- */
- void isRestoredNow();
-
- /**
- * Signals this has been attached
- */
- void isAttachedNow();
-
- /**
- * Signals this has been detached
- */
- void isDetachedNow();
-
- void iconUpdated( TQWidget*, TQPixmap );
- void captionUpdated( TQWidget*, const TQString& );
-
-
-private:
- KMdiChildViewPrivate *d;
- TQWidget *m_trackChanges;
-};
-
-inline KMdiChildFrm *KMdiChildView::mdiParent() const
-{
- TQWidget * pw = parentWidget();
- if ( pw != 0L )
- if ( pw->inherits( "KMdiChildFrm" ) )
- return ( KMdiChildFrm * ) pw;
- return 0L;
-}
-
-#endif //_KMDICHILDVIEW_H_
-
-// kate: space-indent off; replace-tabs off; indent-mode csands; tab-width 4;