First part of '[ 1216148 ] cleanup: unused variables and declarations'.

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

diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h
index cb221b82fbcba33c58fde790b640daf0c46a8bde..607f344c215b813752ae42057cade69a8229d0bb 100644 (file)
--- a/include/wx/gtk/window.h
+++ b/include/wx/gtk/window.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        window.h
+// Name:        wx/gtk/window.h

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -11,44 +11,48 @@
 #ifndef __GTKWINDOWH__
 #define __GTKWINDOWH__
 
 #ifndef __GTKWINDOWH__
 #define __GTKWINDOWH__
 

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

     #pragma interface
 #endif
 
     #pragma interface
 #endif
 

+// helper structure that holds class that holds GtkIMContext object and
+// some additional data needed for key events processing
+struct wxGtkIMData;
+

 //-----------------------------------------------------------------------------
 // callback definition for inserting a window (internal)
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // callback definition for inserting a window (internal)
 //-----------------------------------------------------------------------------
 

-typedef void (*wxInsertChildFunction)( wxWindow*, wxWindow* );
+class wxWindowGTK;
+typedef void (*wxInsertChildFunction)( wxWindowGTK*, wxWindowGTK* );

 
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------

-// wxWindow
+// wxWindowGTK

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-class wxWindow : public wxWindowBase
+class wxWindowGTK : public wxWindowBase

 {
 {

-    DECLARE_DYNAMIC_CLASS(wxWindow)
-

 public:
     // creating the window
     // -------------------
 public:
     // creating the window
     // -------------------

-    wxWindow();
-    wxWindow(wxWindow *parent,
-             wxWindowID id,
-             const wxPoint& pos = wxDefaultPosition,
-             const wxSize& size = wxDefaultSize,
-             long style = 0,
-             const wxString& name = wxPanelNameStr);
+    wxWindowGTK();
+    wxWindowGTK(wxWindow *parent,
+                wxWindowID id,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = 0,
+                const wxString& name = wxPanelNameStr);

     bool Create(wxWindow *parent,
                 wxWindowID id,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
                 long style = 0,
                 const wxString& name = wxPanelNameStr);
     bool Create(wxWindow *parent,
                 wxWindowID id,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
                 long style = 0,
                 const wxString& name = wxPanelNameStr);

-    virtual ~wxWindow();
+    virtual ~wxWindowGTK();

 
     // implement base class (pure) virtual methods
     // -------------------------------------------
 
     // implement base class (pure) virtual methods
     // -------------------------------------------

+

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


@@ -65,18 +69,19 @@ 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 SetCursor( const wxCursor &cursor );
     virtual bool SetFont( const wxFont &font );
 
 
     virtual bool SetBackgroundColour( const wxColour &colour );
     virtual bool SetForegroundColour( const wxColour &colour );
     virtual bool SetCursor( const wxCursor &cursor );
     virtual bool SetFont( const wxFont &font );
 

+    virtual bool SetBackgroundStyle(wxBackgroundStyle style) ;
+    

     virtual int GetCharHeight() const;
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,
     virtual int GetCharHeight() const;
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,


@@ -86,7 +91,9 @@ public:
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 

+#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_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 );


@@ -100,114 +107,141 @@ public:
 #if wxUSE_DRAG_AND_DROP
     virtual void SetDropTarget( wxDropTarget *dropTarget );
 #endif // wxUSE_DRAG_AND_DROP
 #if wxUSE_DRAG_AND_DROP
     virtual void SetDropTarget( wxDropTarget *dropTarget );
 #endif // wxUSE_DRAG_AND_DROP

+    
+#ifdef __WXGTK20__
+    virtual void AddChild( wxWindowBase *child );
+    virtual void RemoveChild( wxWindowBase *child );
+#endif

 
     // implementation
     // --------------
 
     virtual WXWidget GetHandle() const { return m_widget; }
 
 
     // implementation
     // --------------
 
     virtual WXWidget GetHandle() const { return m_widget; }
 

-    // also sets the global flag
-    void SetScrolling(bool scroll);
-
-    bool HasScrolling() const { return m_hasScrolling; }
-    bool IsScrolling() const { return m_isScrolling; }
-
-    /* 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)) {};
-
-    /* used by all window classes in the widget creation process */
-    bool PreCreation( wxWindow *parent, const wxPoint &pos, const wxSize &size );
-    void PostCreation();
+    // Internal represention of Update()
+    void GtkUpdate();
+    
+    // For compatibility across platforms (not in event table)
+    void OnIdle(wxIdleEvent& WXUNUSED(event)) {}

 
 

-    /* internal addition of child windows. differs from class
-       to class not by using virtual functions but by using
-       the m_insertCallback */
-    void DoAddChild(wxWindow *child);
+    // 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) ) {}

 
 

-    /* 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. */
+    // Used by all window classes in the widget creation process.
+    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.
+    void DoAddChild(wxWindowGTK *child);
+    
+    // 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. */
-    GtkStyle *GetWidgetStyle();
-
-    /* called by SetFont() and SetXXXColour etc */
-    void SetWidgetStyle();
-
-    /* overridden in many GTK widgets */
-    virtual void ApplyWidgetStyle();
+#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

 
 #if wxUSE_TOOLTIPS
     virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip );
 #endif // wxUSE_TOOLTIPS
 
 
 #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() ).
     // the layouting functions have to be called later on
     // (i.e. in idle time, implemented in OnInternalIdle() ).

-    void UpdateSize() { m_sizeSet = FALSE; }
+    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;
 
     // 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;          // mostly the widget seen by the rest of GTK
+    GtkWidget           *m_wxwindow;        // mostly the client area as per wxWidgets
+
+    // this widget will be queried for GTK's focus events
+    GtkWidget           *m_focusWidget;
+
+#ifdef __WXGTK20__
+    wxGtkIMData         *m_imData;
+#else
+#if HAVE_XIM && !defined(__WXGTK20__)
+    // XIM support for wxWidgets
+    GdkIC               *m_ic;
+    GdkICAttr           *m_icattr;
+#endif
+#endif

 
 

-    /* see the docs in src/gtk/window.cpp */
-    GtkWidget           *m_widget;
-    GtkWidget           *m_wxwindow;
+#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 */
+    // scrolling stuff

     GtkAdjustment       *m_hAdjust,*m_vAdjust;
     float                m_oldHorizontalPos;
     float                m_oldVerticalPos;
 
     GtkAdjustment       *m_hAdjust,*m_vAdjust;
     float                m_oldHorizontalPos;
     float                m_oldVerticalPos;
 

-    // we need an extra XGC flag set to get exposed
-    // events from overlapping children upon moving
-    // them. this flag will be set in this GC and
-    // the GC will be used in wxWindow::ScrollWindow().
-    GdkGC               *m_scrollGC;
-

     // extra (wxGTK-specific) flags
     // extra (wxGTK-specific) flags

-    bool                 m_needParent:1;    /* ! wxFrame, wxDialog, wxNotebookPage ?  */
+    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_hasScrolling:1;

-    bool                 m_isScrolling:1;

     bool                 m_hasVMT:1;
     bool                 m_sizeSet:1;
     bool                 m_resizing: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;  /* ! wxStaticBox etc.  */
-
-    // 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_delayedFont:1;
-    bool                 m_delayedForegroundColour:1;
-    bool                 m_delayedBackgroundColour:1;
-    bool                 m_delayedCursor:1;
-    
-    // the cursor is set in OnInternalIdle(). this fields holds
-    // a reference to the cursor currently set in theGdk window 
-    // so that we don't have to set it more than once
-    wxCursor             m_currentGdkCursor;
-
-    // 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().
-    GtkStyle            *m_widgetStyle;
+    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()
+#ifdef __WXGTK20__
+    bool                 m_dirtyTabOrder:1;     // tab order changed, GTK focus
+                                                // chain needs update
+#endif
+    bool                 m_needsStyleChange:1;  // May not be able to change
+                                                // background style until OnIdle

 
     // C++ has no virtual methods in the constrcutor of any class but we need
     // different methods of inserting a child window into a wxFrame,
 
     // C++ has no virtual methods in the constrcutor of any class but we need
     // different methods of inserting a child window into a wxFrame,


@@ -224,16 +258,45 @@ public:
                            int width, int height,
                            int sizeFlags = wxSIZE_AUTO);
     virtual void DoSetClientSize(int width, int height);
                            int width, int height,
                            int sizeFlags = wxSIZE_AUTO);
     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();
     void Init();

+    
+#ifdef __WXGTK20__
+    virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move);
+
+    // Copies m_children tab order to GTK focus chain:
+    void RealizeTabOrder();
+#endif
+    
+    // Called by ApplyWidgetStyle (which is called by SetFont() and
+    // SetXXXColour etc to apply style changed to native widgets) to create
+    // modified GTK style with non-standard attributes. If forceStyle=true,
+    // creates empty GtkRcStyle if there are no modifications, otherwise
+    // returns NULL in such case.
+    GtkRcStyle *CreateWidgetStyle(bool forceStyle = false);
+
+    // Overridden in many GTK widgets who have to handle subwidgets
+    virtual void ApplyWidgetStyle(bool forceStyle = false);
+    
+    // helper function to ease native widgets wrapping, called by 
+    // ApplyWidgetStyle -- override this, not ApplyWidgetStyle
+    virtual void DoApplyWidgetStyle(GtkRcStyle *style);

 
 private:
 
 private:

-    DECLARE_NO_COPY_CLASS(wxWindow);
+    DECLARE_DYNAMIC_CLASS(wxWindowGTK)
+    DECLARE_NO_COPY_CLASS(wxWindowGTK)

 };
 
 };
 

+extern wxWindow *wxFindFocusedChild(wxWindowGTK *win);
+

 #endif // __GTKWINDOWH__
 #endif // __GTKWINDOWH__