implemented IsModified() and DiscardEdits()

[wxWidgets.git] / include / wx / gtk / window.h

diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h
index cff540d0fd51d981f3630f16f09a2ae2fd630fb5..f5c690f5bc9ef60ae71b430d7b8e7f199bae7023 100644 (file)
--- a/include/wx/gtk/window.h
+++ b/include/wx/gtk/window.h
@@ -11,7 +11,7 @@
 #ifndef __GTKWINDOWH__
 #define __GTKWINDOWH__
 
 #ifndef __GTKWINDOWH__
 #define __GTKWINDOWH__
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma interface
 #endif
 
     #pragma interface
 #endif
 


@@ -48,6 +48,7 @@ public:
 
     // implement base class (pure) virtual methods
     // -------------------------------------------
 
     // implement base class (pure) virtual methods
     // -------------------------------------------

+

     virtual bool Destroy();
 
     virtual void Raise();
     virtual bool Destroy();
 
     virtual void Raise();


@@ -64,12 +65,11 @@ public:
     virtual bool Reparent( wxWindowBase *newParent );
 
     virtual void WarpPointer(int x, int y);
     virtual bool Reparent( wxWindowBase *newParent );
 
     virtual void WarpPointer(int x, int y);

-    virtual void CaptureMouse();
-    virtual void ReleaseMouse();

 
     virtual void Refresh( bool eraseBackground = TRUE,
                           const wxRect *rect = (const wxRect *) NULL );
 
     virtual void Refresh( bool eraseBackground = TRUE,
                           const wxRect *rect = (const wxRect *) NULL );

-    virtual void Clear();
+    virtual void Update();
+    virtual void ClearBackground();

 
     virtual bool SetBackgroundColour( const wxColour &colour );
     virtual bool SetForegroundColour( const wxColour &colour );
 
     virtual bool SetBackgroundColour( const wxColour &colour );
     virtual bool SetForegroundColour( const wxColour &colour );


@@ -85,9 +85,9 @@ public:
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 

-#if wxUSE_MENUS
+#if wxUSE_MENUS_NATIVE

     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );

-#endif // wxUSE_MENUS
+#endif // wxUSE_MENUS_NATIVE

 
     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
                                int range, bool refresh = TRUE );
 
     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
                                int range, bool refresh = TRUE );


@@ -107,101 +107,147 @@ public:
 
     virtual WXWidget GetHandle() const { return m_widget; }
 
 
     virtual WXWidget GetHandle() const { return m_widget; }
 

-    /* I don't want users to override what's done in idle so everything that
-       has to be done in idle time in order for wxGTK to work is done in
-       OnInternalIdle */
+    // I don't want users to override what's done in idle so everything that
+    // has to be done in idle time in order for wxGTK to work is done in
+    // OnInternalIdle

     virtual void OnInternalIdle();
 
     virtual void OnInternalIdle();
 

-    /* For compatibility across platforms (not in event table) */
-    void OnIdle(wxIdleEvent& WXUNUSED(event)) {};
+    // Internal represention of Update()
+    void GtkUpdate();
+    
+    // For delayed background 
+    void GtkSetBackgroundColour( const wxColour &colour );
+    void GtkSetForegroundColour( const wxColour &colour );
+    
+    // For compatibility across platforms (not in event table)
+    void OnIdle(wxIdleEvent& WXUNUSED(event)) {}

 
     // wxGTK-specific: called recursively by Enable,
     // to give widgets an oppprtunity to correct their colours after they
     // have been changed by Enable
 
     // wxGTK-specific: called recursively by Enable,
     // to give widgets an oppprtunity to correct their colours after they
     // have been changed by Enable

-    virtual void OnParentEnable( bool WXUNUSED(enable) ) {};
+    virtual void OnParentEnable( bool WXUNUSED(enable) ) {}

 
 

-    /* used by all window classes in the widget creation process */
+    // Used by all window classes in the widget creation process.

     bool PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size );
     void PostCreation();
 
     bool PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size );
     void PostCreation();
 

-    /* internal addition of child windows. differs from class
-       to class not by using virtual functions but by using
-       the m_insertCallback */
+    // Internal addition of child windows. differs from class
+    // to class not by using virtual functions but by using
+    // the m_insertCallback.

     void DoAddChild(wxWindowGTK *child);
     void DoAddChild(wxWindowGTK *child);

-
-    /* the methods below are required because many native widgets
-       are composed of several subwidgets and setting a style for
-       the widget means setting it for all subwidgets as well.
-       also, it is nor clear, which native widget is the top
-       widget where (most of) the input goes. even tooltips have
-       to be applied to all subwidgets. */
-
+    
+    // This methods sends wxPaintEvents to the window. It reads the
+    // update region, breaks it up into rects and sends an event
+    // for each rect. It is also responsible for background erase
+    // events and NC paint events. It is called from "draw" and
+    // "expose" handlers as well as from ::Update()
+    void GtkSendPaintEvents();
+
+    // The methods below are required because many native widgets
+    // are composed of several subwidgets and setting a style for
+    // the widget means setting it for all subwidgets as well.
+    // also, it is nor clear, which native widget is the top
+    // widget where (most of) the input goes. even tooltips have
+    // to be applied to all subwidgets.

     virtual GtkWidget* GetConnectWidget();
     virtual bool IsOwnGtkWindow( GdkWindow *window );
     void ConnectWidget( GtkWidget *widget );
 
     virtual GtkWidget* GetConnectWidget();
     virtual bool IsOwnGtkWindow( GdkWindow *window );
     void ConnectWidget( GtkWidget *widget );
 

-    /* creates a new widget style if none is there
-       and sets m_widgetStyle to this value. */
+    // Creates a new widget style if none is there
+    // and sets m_widgetStyle to this value.

     GtkStyle *GetWidgetStyle();
 
     GtkStyle *GetWidgetStyle();
 

-    /* called by SetFont() and SetXXXColour etc */
+#ifdef __WXGTK20__
+    // Returns the default context which usually is anti-aliased
+    PangoContext   *GtkGetPangoDefaultContext();
+    
+    // Returns the X11 context which renders on the X11 client
+    // side (which can be remote) and which usually is not
+    // anti-aliased and is thus faster
+    PangoContext   *GtkGetPangoX11Context();
+    PangoContext   *m_x11Context;
+#endif
+
+    // Called by SetFont() and SetXXXColour etc

     void SetWidgetStyle();
 
     void SetWidgetStyle();
 

-    /* overridden in many GTK widgets */
+    // Overridden in many GTK widgets who have to handle subwidgets

     virtual void ApplyWidgetStyle();
 
 #if wxUSE_TOOLTIPS
     virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip );
 #endif // wxUSE_TOOLTIPS
 
     virtual void ApplyWidgetStyle();
 
 #if wxUSE_TOOLTIPS
     virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip );
 #endif // wxUSE_TOOLTIPS
 

-    // called from GTK signales handlers. it indicates that
+    // Called from GTK signales handlers. it indicates that

     // the layouting functions have to be called later on
     // (i.e. in idle time, implemented in OnInternalIdle() ).
     void GtkUpdateSize() { m_sizeSet = FALSE; }
 
     // the layouting functions have to be called later on
     // (i.e. in idle time, implemented in OnInternalIdle() ).
     void GtkUpdateSize() { m_sizeSet = FALSE; }
 

+    // fix up the mouse event coords, used by wxListBox only so far
+    virtual void FixUpMouseEvent(GtkWidget * WXUNUSED(widget),
+                                 wxCoord& WXUNUSED(x),
+                                 wxCoord& WXUNUSED(y)) { }
+
+    // is this window transparent for the mouse events (as wxStaticBox is)?
+    virtual bool IsTransparentForMouse() const { return FALSE; }
+
+    // is this a radiobutton (used by radiobutton code itself only)?
+    virtual bool IsRadioButton() const { return FALSE; }
+

     // position and size of the window
     int                  m_x, m_y;
     int                  m_width, m_height;
     int                  m_oldClientWidth,m_oldClientHeight;
 
     // position and size of the window
     int                  m_x, m_y;
     int                  m_width, m_height;
     int                  m_oldClientWidth,m_oldClientHeight;
 

-    /* see the docs in src/gtk/window.cpp */
-    GtkWidget           *m_widget;
-    GtkWidget           *m_wxwindow;
+    // see the docs in src/gtk/window.cpp
+    GtkWidget           *m_widget;          // mostly the widget seen by the rest of GTK
+    GtkWidget           *m_wxwindow;        // mostly the client area as per wxWindows
+
+    // this widget will be queried for GTK's focus events
+    GtkWidget           *m_focusWidget;

 
 

+#ifdef __WXGTK20__
+    GtkIMMulticontext   *m_imContext;
+#else

 #if HAVE_XIM
 #if HAVE_XIM

-    /* XIM support for wxWindows */
+    // XIM support for wxWindows

     GdkIC               *m_ic;
     GdkICAttr           *m_icattr;
 #endif
     GdkIC               *m_ic;
     GdkICAttr           *m_icattr;
 #endif

+#endif

 
 

-    /* scrolling stuff */
+#ifndef __WXGTK20__
+    // The area to be cleared (and not just refreshed)
+    // We cannot make this distinction under GTK 2.0.
+    wxRegion             m_clearRegion;
+#endif
+
+    // scrolling stuff

     GtkAdjustment       *m_hAdjust,*m_vAdjust;
     float                m_oldHorizontalPos;
     float                m_oldVerticalPos;
 
     // extra (wxGTK-specific) flags
     GtkAdjustment       *m_hAdjust,*m_vAdjust;
     float                m_oldHorizontalPos;
     float                m_oldVerticalPos;
 
     // extra (wxGTK-specific) flags

-    bool                 m_needParent:1;        /* ! wxFrame, wxDialog, wxNotebookPage ?  */
-    bool                 m_noExpose:1;          /* wxGLCanvas has its own redrawing */
-    bool                 m_nativeSizeEvent:1;   /* wxGLCanvas sends wxSizeEvent upon "alloc_size" */
+    bool                 m_needParent:1;        // ! wxFrame, wxDialog, wxNotebookPage ?
+    bool                 m_noExpose:1;          // wxGLCanvas has its own redrawing
+    bool                 m_nativeSizeEvent:1;   // wxGLCanvas sends wxSizeEvent upon "alloc_size"

     bool                 m_hasScrolling:1;
     bool                 m_hasVMT:1;
     bool                 m_sizeSet:1;
     bool                 m_resizing:1;
     bool                 m_hasScrolling:1;
     bool                 m_hasVMT:1;
     bool                 m_sizeSet:1;
     bool                 m_resizing:1;

-    bool                 m_isStaticBox:1;    /* faster than IS_KIND_OF */
-    bool                 m_isRadioButton:1;  /* faster than IS_KIND_OF */
-    bool                 m_isFrame:1;        /* faster than IS_KIND_OF */
-    bool                 m_acceptsFocus:1;   /* not wxStaticBox, not wxStaticBitmap etc.  */
-    bool                 m_isScrolling;
-    bool                 m_clipPaintRegion;  /* TRUE after ScrollWindow() */
-    bool                 m_queuedFullRedraw; /* TRUE after DoMoveWindow */
-
-    // these are true if the style were set before the widget was realized
+    bool                 m_acceptsFocus:1;      // true if not static
+    bool                 m_hasFocus:1;          // true if == FindFocus()
+    bool                 m_isScrolling:1;       // dragging scrollbar thumb?
+    bool                 m_clipPaintRegion:1;   // TRUE after ScrollWindow()
+    bool                 m_queuedFullRedraw:1;  // TRUE after DoMoveWindow
+
+    // These are true if the style were set before the widget was realized

     // (typcally in the constructor) but the actual GTK style must not be set
     // before the widget has been "realized"
     bool                 m_delayedForegroundColour:1;
     bool                 m_delayedBackgroundColour:1;
 
     // (typcally in the constructor) but the actual GTK style must not be set
     // before the widget has been "realized"
     bool                 m_delayedForegroundColour:1;
     bool                 m_delayedBackgroundColour:1;
 

-    // contains GTK's widgets internal information about non-default widget
+    // Contains GTK's widgets internal information about non-default widget

     // font and colours. we create one for each widget that gets any
     // non-default attribute set via SetFont() or SetForegroundColour() /
     // SetBackgroundColour().
     // font and colours. we create one for each widget that gets any
     // non-default attribute set via SetFont() or SetForegroundColour() /
     // SetBackgroundColour().


@@ -224,11 +270,15 @@ public:
     virtual void DoSetClientSize(int width, int height);
     virtual void DoMoveWindow(int x, int y, int width, int height);
 
     virtual void DoSetClientSize(int width, int height);
     virtual void DoMoveWindow(int x, int y, int width, int height);
 

+    virtual void DoCaptureMouse();
+    virtual void DoReleaseMouse();
+    

 #if wxUSE_TOOLTIPS
     virtual void DoSetToolTip( wxToolTip *tip );
 #endif // wxUSE_TOOLTIPS
 
 #if wxUSE_TOOLTIPS
     virtual void DoSetToolTip( wxToolTip *tip );
 #endif // wxUSE_TOOLTIPS
 

-    // common part of all ctors (can't be virtual because called from ctor)
+protected:
+    // common part of all ctors (not virtual because called from ctor)

     void Init();
 
 private:
     void Init();
 
 private: