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 40fbc48706b20277d1155cf68397f9436c660999..607f344c215b813752ae42057cade69a8229d0bb 100644 (file)
--- a/include/wx/gtk/window.h
+++ b/include/wx/gtk/window.h
@@ -1,262 +1,302 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:
 // Author:      Robert Roebling
 // Purpose:
 // Author:      Robert Roebling

-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 
 #ifndef __GTKWINDOWH__
 #define __GTKWINDOWH__
 
 /////////////////////////////////////////////////////////////////////////////
 
 
 #ifndef __GTKWINDOWH__
 #define __GTKWINDOWH__
 

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

 #endif
 
 #endif
 

-#include "wx/defs.h"
-#include "wx/object.h"
-#include "wx/list.h"
-#include "wx/event.h"
-#include "wx/validate.h"
-#include "wx/cursor.h"
-#include "wx/font.h"
-#include "wx/dc.h"
-#include "wx/region.h"
-#include "wx/dnd.h"
+// helper structure that holds class that holds GtkIMContext object and
+// some additional data needed for key events processing
+struct wxGtkIMData;

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

-// global data
+// callback definition for inserting a window (internal)

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

-extern const char *wxFrameNameStr;
-extern wxList wxTopLevelWindows;
+class wxWindowGTK;
+typedef void (*wxInsertChildFunction)( wxWindowGTK*, wxWindowGTK* );

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

-// classes
+// wxWindowGTK

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

-class wxLayoutConstraints;
-class wxSizer;
+class wxWindowGTK : public wxWindowBase
+{
+public:
+    // creating the window
+    // -------------------
+    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);
+    virtual ~wxWindowGTK();

 
 

-class wxWindow;
-class wxCanvas;
+    // implement base class (pure) virtual methods
+    // -------------------------------------------

 
 

-//-----------------------------------------------------------------------------
-// global data
-//-----------------------------------------------------------------------------
+    virtual bool Destroy();

 
 

-extern const char *wxPanelNameStr;
-extern const wxSize wxDefaultSize;
-extern const wxPoint wxDefaultPosition;
+    virtual void Raise();
+    virtual void Lower();

 
 

-//-----------------------------------------------------------------------------
-// wxWindow
-//-----------------------------------------------------------------------------
+    virtual bool Show( bool show = TRUE );
+    virtual bool Enable( bool enable = TRUE );

 
 

-class wxWindow: public wxEvtHandler
-{
-  DECLARE_DYNAMIC_CLASS(wxWindow)
-
-  public:
-  
-    wxWindow(void);
-    wxWindow( wxWindow *parent, const wxWindowID id,
-      const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize, 
-      const long style = 0, const wxString &name = wxPanelNameStr );
-    bool Create( wxWindow *parent, const wxWindowID id,
-      const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize, 
-      const long style = 0, const wxString &name = wxPanelNameStr );
-    virtual ~wxWindow(void);
-    bool Close( const bool force = FALSE );
-    virtual bool Destroy(void);
-    virtual bool DestroyChildren(void);
-    
-    virtual void PrepareDC( wxDC &dc );
-    
-    virtual void SetSize( const int x, const int y, const int width, const int height, 
-      const int sizeFlags = wxSIZE_AUTO );
-    virtual void SetSize( const int width, const int height );
-    virtual void Move( const int x, const int y );
-    virtual void GetSize( int *width, int *height ) const;
-    virtual void SetClientSize( int const width, int const height );
-    virtual void GetClientSize( int *width, int *height ) const;
-    virtual void GetPosition( int *x, int *y ) const;
-    virtual void Centre( const int direction = wxHORIZONTAL );
-    virtual void Fit(void);
-    
-    void OnSize( wxSizeEvent &event );
-    
-    virtual bool Show( const bool show );
-    virtual void Enable( const bool enable );
-    virtual void MakeModal( const bool modal );
-    virtual bool IsEnabled(void) const { return m_isEnabled; };
-    virtual void SetFocus(void);
-    virtual bool OnClose(void);
-    
-    virtual void AddChild( wxWindow *child );
-    wxList *GetChildren(void);
-    virtual void RemoveChild( wxWindow *child );
-    void SetReturnCode( int retCode );
-    int GetReturnCode(void);
-    wxWindow *GetParent(void);
-    
-    wxEvtHandler *GetEventHandler(void);
-    void SetEventhandler( wxEvtHandler *handler );
-    
-    virtual wxValidator *GetValidator(void);
-    virtual void SetValidator( wxValidator *validator );
-    
-    bool IsBeingDeleted(void);
-    
-    void SetId( wxWindowID id );
-    wxWindowID GetId(void);
-    
-    void SetCursor( const wxCursor &cursor );
-    
-    virtual void Refresh( const bool eraseBackground = TRUE, const wxRect *rect = NULL );
-    virtual void Clear(void);
-    virtual bool IsExposed( const long x, const long y );
-    virtual bool IsExposed( const long x, const long y, const long width, const long height );
-    
-    virtual wxColour GetBackgroundColour(void) const;
-    virtual void SetBackgroundColour( const wxColour &colour );
-    
-    virtual void SetDefaultBackgroundColour( const wxColour& col )
-      { m_defaultBackgroundColour = col; };
-    virtual wxColour GetDefaultBackgroundColour(void) const
-      { return m_defaultBackgroundColour; };
-    virtual void SetDefaultForegroundColour( const wxColour& col )
-      { m_defaultForegroundColour = col; };
-    virtual wxColour GetDefaultForegroundColour(void) const
-      { return m_defaultForegroundColour; };
-    
-    virtual void SetFont( const wxFont &font );
-    virtual wxFont *GetFont(void);
-    // For backward compatibility
-    inline virtual void SetButtonFont(const wxFont& font) { SetFont(font); }
-    inline virtual void SetLabelFont(const wxFont& font) { SetFont(font); }
-    inline virtual wxFont *GetLabelFont(void) { return GetFont(); };
-    inline virtual wxFont *GetButtonFont(void) { return GetFont(); };
-    virtual void SetWindowStyleFlag( long flag );
-    virtual long GetWindowStyleFlag(void) const;
-    virtual void CaptureMouse(void);
-    virtual void ReleaseMouse(void);
-    virtual void SetTitle( const wxString &title );
-    virtual wxString GetTitle(void) const;
-    virtual void SetName( const wxString &name );
-    virtual wxString GetName(void) const;
-    virtual wxString GetLabel(void) const;
-    
-    void OnSysColourChanged( wxSysColourChangedEvent &WXUNUSED(event) ) {};
+    virtual bool IsRetained() const;
+
+    virtual void SetFocus();
+    virtual bool AcceptsFocus() const;
+
+    virtual bool Reparent( wxWindowBase *newParent );
+
+    virtual void WarpPointer(int x, int y);
+
+    virtual void Refresh( bool eraseBackground = TRUE,
+                          const wxRect *rect = (const wxRect *) NULL );
+    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 SetBackgroundStyle(wxBackgroundStyle style) ;

     
     

-    virtual bool IsShown(void);
-    virtual bool IsRetained(void);
-    virtual wxWindow *FindWindow( const long id );
-    virtual wxWindow *FindWindow( const wxString& name );
-    void AllowDoubleClick( bool WXUNUSED(allow) ) {};
-    void SetDoubleClick( bool WXUNUSED(allow) ) {};
-    virtual void ClientToScreen( int *x, int *y );
-    virtual void ScreenToClient( int *x, int *y );
+    virtual int GetCharHeight() const;
+    virtual int GetCharWidth() const;
+    virtual void GetTextExtent(const wxString& string,
+                               int *x, int *y,
+                               int *descent = (int *) NULL,
+                               int *externalLeading = (int *) NULL,
+                               const wxFont *theFont = (const wxFont *) NULL)
+                               const;
+
+#if wxUSE_MENUS_NATIVE
+    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 SetScrollPos( int orient, int pos, bool refresh = TRUE );
+    virtual int GetScrollPos( int orient ) const;
+    virtual int GetScrollThumb( int orient ) const;
+    virtual int GetScrollRange( int orient ) const;
+    virtual void ScrollWindow( int dx, int dy,
+                               const wxRect* rect = (wxRect *) NULL );
+
+#if wxUSE_DRAG_AND_DROP
+    virtual void SetDropTarget( wxDropTarget *dropTarget );
+#endif // wxUSE_DRAG_AND_DROP

     
     

-    virtual bool Validate(void);
-    virtual bool TransferDataToWindow(void);
-    virtual bool TransferDataFromWindow(void);
-    void OnInitDialog( wxInitDialogEvent &event );
-    virtual void InitDialog(void);
+#ifdef __WXGTK20__
+    virtual void AddChild( wxWindowBase *child );
+    virtual void RemoveChild( wxWindowBase *child );
+#endif
+
+    // implementation
+    // --------------
+
+    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
+    virtual void OnInternalIdle();
+
+    // Internal represention of Update()
+    void GtkUpdate();

     
     

-    virtual void SetDropTarget( wxDropTarget *dropTarget );
-    virtual wxDropTarget *GetDropTarget() const;
+    // 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
+    virtual void OnParentEnable( bool WXUNUSED(enable) ) {}
+
+    // 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);

     
     

-    virtual void SetScrollbar( const int orient, const int pos, const int thumbVisible,
-      const int range, const bool refresh = TRUE );
-    virtual void SetScrollPos( const int orient, const int pos, const bool refresh = TRUE );
-    virtual int GetScrollPos( const int orient ) const;
-    virtual int GetScrollThumb( const int orient ) const;
-    virtual int GetScrollRange( const int orient ) const;
-    virtual void ScrollWindow( const int dx, const int dy, const wxRect* rect = NULL );
+    // 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 );
+
+#ifdef __WXGTK20__
+    // Returns the default context which usually is anti-aliased
+    PangoContext   *GtkGetPangoDefaultContext();

     
     

-  public:         // cannot get private going yet
+    // 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
+
+    // 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; }
+
+    // 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;
+
+    // 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
+
+#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
+    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_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,
+    // wxMDIFrame, wxNotebook etc. this is the callback that will get used.
+    wxInsertChildFunction  m_insertCallback;
+
+    // implement the base class pure virtuals
+    virtual void DoClientToScreen( int *x, int *y ) const;
+    virtual void DoScreenToClient( int *x, int *y ) const;
+    virtual void DoGetPosition( int *x, int *y ) const;
+    virtual void DoGetSize( int *width, int *height ) const;
+    virtual void DoGetClientSize( int *width, int *height ) const;
+    virtual void DoSetSize(int x, int y,
+                           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();

     
     

-    void PreCreation( wxWindow *parent, const wxWindowID id, const wxPoint &pos, 
-      const wxSize &size, const long style, const wxString &name );
-    void PostCreation(void);
-    bool HasVMT(void);
-    virtual void ImplementSetSize(void);
-    virtual void ImplementSetPosition(void);
-    void GetDrawingOffset( long *x, long *y );
+#if wxUSE_TOOLTIPS
+    virtual void DoSetToolTip( wxToolTip *tip );
+#endif // wxUSE_TOOLTIPS
+
+protected:
+    // common part of all ctors (not virtual because called from ctor)
+    void Init();

     
     

-    wxWindow       *m_parent;
-    wxList          m_children;
-    int             m_x,m_y;
-    int             m_width,m_height;
-    int             m_retCode;
-    wxEvtHandler   *m_eventHandler;
-    wxValidator    *m_windowValidator;
-    wxDropTarget   *m_pDropTarget;   
-    wxWindowID      m_windowId;
-    wxCursor       *m_cursor;
-    wxFont          m_font;
-    wxColour        m_backgroundColour;
-    wxColour        m_defaultBackgroundColour;
-    wxColour        m_foregroundColour ;
-    wxColour        m_defaultForegroundColour;
-    wxRegion        m_updateRegion;
-    long            m_windowStyle;
-    bool            m_isShown;
-    bool            m_isEnabled;
-    wxString        m_windowName;
-    long            m_drawingOffsetX,m_drawingOffsetY;
+#ifdef __WXGTK20__
+    virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move);
+
+    // Copies m_children tab order to GTK focus chain:
+    void RealizeTabOrder();
+#endif

     
     

-    GtkWidget      *m_widget;
-    GtkWidget      *m_wxwindow;
-    GtkAdjustment  *m_hAdjust,*m_vAdjust;
-    float           m_oldHorizontalPos;
-    float           m_oldVerticalPos;
-    bool            m_needParent;
-    bool            m_hasScrolling;
-    bool            m_hasVMT;
-    bool            m_sizeSet;
+    // 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);

     
     

-  public:  // Layout section
-  
-    wxLayoutConstraints * m_constraints;  
-    wxList *              m_constraintsInvolvedIn;
-    wxSizer *             m_windowSizer;  
-    wxWindow *            m_sizerParent;  
-    bool                  m_autoLayout;                    
-
-    wxLayoutConstraints *GetConstraints(void) const;
-    void SetConstraints( wxLayoutConstraints *constraints );
-    void SetAutoLayout( const bool autoLayout );
-    bool GetAutoLayout(void) const;
-    bool Layout(void);
-    void SetSizer( wxSizer *sizer );
-    wxSizer *GetSizer(void) const;
-    void SetSizerParent( wxWindow *win );
-    wxWindow *GetSizerParent(void) const;
-    void UnsetConstraints(wxLayoutConstraints *c);
-    inline wxList *GetConstraintsInvolvedIn(void) const ;
-    void AddConstraintReference(wxWindow *otherWin);
-    void RemoveConstraintReference(wxWindow *otherWin);
-    void DeleteRelatedConstraints(void);
-    virtual void ResetConstraints(void);
-    virtual void SetConstraintSizes(const bool recurse = TRUE);
-    virtual bool LayoutPhase1(int *noChanges);
-    virtual bool LayoutPhase2(int *noChanges);
-    virtual bool DoPhase(const int);
-    virtual void TransformSizerToActual(int *x, int *y) const ;
-    virtual void SizerSetSize(const int x, const int y, const int w, const int h);
-    virtual void SizerMove(const int x, const int y);
-    virtual void SetSizeConstraint(const int x, const int y, const int w, const int h);
-    virtual void MoveConstraint(const int x, const int y);
-    virtual void GetSizeConstraint(int *w, int *h) const ;
-    virtual void GetClientSizeConstraint(int *w, int *h) const ;
-    virtual void GetPositionConstraint(int *x, int *y) const ;
-  
-  DECLARE_EVENT_TABLE()
+    // helper function to ease native widgets wrapping, called by 
+    // ApplyWidgetStyle -- override this, not ApplyWidgetStyle
+    virtual void DoApplyWidgetStyle(GtkRcStyle *style);
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxWindowGTK)
+    DECLARE_NO_COPY_CLASS(wxWindowGTK)

 };
 
 };
 

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

 #endif // __GTKWINDOWH__
 #endif // __GTKWINDOWH__