include/wx/gtk/window.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        window.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifndef __GTKWINDOWH__
  13 #define __GTKWINDOWH__
  14
  15 #ifdef __GNUG__
  16 #pragma interface
  17 #endif
  18
  19 #include "wx/defs.h"
  20 #include "wx/object.h"
  21 #include "wx/list.h"
  22 #include "wx/event.h"
  23 #include "wx/validate.h"
  24 #include "wx/cursor.h"
  25 #include "wx/font.h"
  26 #include "wx/dc.h"
  27 #include "wx/region.h"
  28 #include "wx/dnd.h"
  29
  30 //-----------------------------------------------------------------------------
  31 // global data
  32 //-----------------------------------------------------------------------------
  33
  34 extern const char *wxFrameNameStr;
  35 extern wxList wxTopLevelWindows;
  36
  37 //-----------------------------------------------------------------------------
  38 // classes
  39 //-----------------------------------------------------------------------------
  40
  41 class wxLayoutConstraints;
  42 class wxSizer;
  43 class wxResourceTable;
  44 class wxItemResource;
  45
  46 class wxWindow;
  47 class wxCanvas;
  48
  49 //-----------------------------------------------------------------------------
  50 // global data
  51 //-----------------------------------------------------------------------------
  52
  53 extern const char *wxPanelNameStr;
  54 extern const wxSize wxDefaultSize;
  55 extern const wxPoint wxDefaultPosition;
  56
  57 //-----------------------------------------------------------------------------
  58 // wxWindow
  59 //-----------------------------------------------------------------------------
  60
  61 class wxWindow: public wxEvtHandler
  62 {
  63 public:
  64   wxWindow();
  65   inline wxWindow(wxWindow *parent, wxWindowID id,
  66            const wxPoint& pos = wxDefaultPosition,
  67            const wxSize& size = wxDefaultSize,
  68            long style = 0,
  69            const wxString& name = wxPanelNameStr)
  70   {
  71       Create(parent, id, pos, size, style, name);
  72   }
  73   bool Create(wxWindow *parent, wxWindowID id,
  74            const wxPoint& pos = wxDefaultPosition,
  75            const wxSize& size = wxDefaultSize,
  76            long style = 0,
  77            const wxString& name = wxPanelNameStr);
  78   virtual ~wxWindow();
  79
  80   virtual bool LoadFromResource(wxWindow *parent, const wxString& resourceName, const wxResourceTable *table = NULL);
  81   virtual wxControl *CreateItem(const wxItemResource *childResource, const wxResourceTable *table = NULL);
  82
  83   bool Close( bool force = FALSE );
  84   virtual bool Destroy();
  85   virtual bool DestroyChildren();
  86
  87   virtual void PrepareDC( wxDC &dc );
  88
  89   virtual void SetSize( int x, int y, int width, int height,
  90     int sizeFlags = wxSIZE_AUTO );
  91   virtual void SetSize( int width, int height );
  92   virtual void Move( int x, int y );
  93   virtual void GetSize( int *width, int *height ) const;
  94   virtual void SetClientSize( int const width, int const height );
  95   virtual void GetClientSize( int *width, int *height ) const;
  96   virtual void GetPosition( int *x, int *y ) const;
  97   virtual void Centre( int direction = wxHORIZONTAL );
  98   inline void Center(int direction = wxHORIZONTAL) { Centre(direction); }
  99   virtual void Fit();
 100     // set minimal/maxmimal size for the frame
 101   virtual void SetSizeHints( int WXUNUSED(minW), int WXUNUSED(minH), int WXUNUSED(maxW),
 102     int WXUNUSED(maxH), int WXUNUSED(incW),  int WXUNUSED(incH) ) { }
 103
 104   void OnSize( wxSizeEvent &event );
 105   void OnIdle( wxIdleEvent& event );
 106
 107   virtual bool Show( bool show );
 108   virtual void Enable( bool enable );
 109   virtual void MakeModal( bool modal );
 110   virtual bool IsEnabled() const { return m_isEnabled; }
 111   inline bool Enabled(void) const { return IsEnabled(); }
 112   virtual void SetFocus();
 113   virtual bool OnClose();
 114
 115   virtual void AddChild( wxWindow *child );
 116   wxList *GetChildren();
 117   virtual void RemoveChild( wxWindow *child );
 118   void SetReturnCode( int retCode );
 119   int GetReturnCode();
 120   wxWindow *GetParent() const
 121     { return m_parent; }
 122   wxWindow *GetGrandParent(void) const
 123     { return (m_parent ? m_parent->m_parent : (wxWindow*)NULL); }
 124   void SetParent( wxWindow *p )
 125     { m_parent = p; }
 126
 127   wxEvtHandler *GetEventHandler();
 128   void SetEventHandler( wxEvtHandler *handler );
 129   void PushEventHandler( wxEvtHandler *handler );
 130   wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE );
 131
 132   virtual wxValidator *GetValidator();
 133   virtual void SetValidator( const wxValidator &validator );
 134
 135   bool IsBeingDeleted();
 136
 137   void SetId( wxWindowID id );
 138   wxWindowID GetId();
 139
 140   void SetCursor( const wxCursor &cursor );
 141
 142   virtual void Refresh( bool eraseBackground = TRUE, const wxRect *rect = NULL );
 143   virtual void Clear();
 144   virtual bool IsExposed( long x, long y );
 145   virtual bool IsExposed( long x, long y, long width, long height );
 146
 147   virtual wxColour GetBackgroundColour() const;
 148   virtual void SetBackgroundColour( const wxColour &colour );
 149   virtual wxColour GetForegroundColour() const;
 150   virtual void SetForegroundColour( const wxColour &colour );
 151
 152   virtual int GetCharHeight(void) const;
 153   virtual int GetCharWidth(void) const;
 154   virtual void GetTextExtent( const wxString& string, int *x, int *y,
 155                              int *descent = NULL,
 156                              int *externalLeading = NULL,
 157                              const wxFont *theFont = NULL, bool use16 = FALSE) const;
 158
 159   virtual void SetDefaultBackgroundColour( const wxColour& col )
 160     { m_defaultBackgroundColour = col; }
 161   virtual wxColour GetDefaultBackgroundColour() const
 162     { return m_defaultBackgroundColour; }
 163   virtual void SetDefaultForegroundColour( const wxColour& col )
 164     { m_defaultForegroundColour = col; }
 165   virtual wxColour GetDefaultForegroundColour() const
 166     { return m_defaultForegroundColour; }
 167
 168   virtual void SetFont( const wxFont &font );
 169   virtual wxFont *GetFont();
 170   // For backward compatibility
 171   inline virtual void SetButtonFont(const wxFont& font) { SetFont(font); }
 172   inline virtual void SetLabelFont(const wxFont& font) { SetFont(font); }
 173   inline virtual wxFont *GetLabelFont() { return GetFont(); };
 174   inline virtual wxFont *GetButtonFont() { return GetFont(); };
 175   virtual void SetWindowStyleFlag( long flag );
 176   virtual long GetWindowStyleFlag() const;
 177   virtual void CaptureMouse();
 178   virtual void ReleaseMouse();
 179   virtual void SetTitle( const wxString &title );
 180   virtual wxString GetTitle() const;
 181   virtual void SetName( const wxString &name );
 182   virtual wxString GetName() const;
 183   virtual wxString GetLabel() const;
 184
 185   void OnSysColourChanged( wxSysColourChangedEvent &WXUNUSED(event) ) {};
 186
 187   virtual bool IsShown() const;
 188
 189   virtual void Raise(void);
 190   virtual void Lower(void);
 191
 192   virtual bool IsRetained();
 193   virtual wxWindow *FindWindow( long id );
 194   virtual wxWindow *FindWindow( const wxString& name );
 195   void AllowDoubleClick( bool WXUNUSED(allow) ) {};
 196   void SetDoubleClick( bool WXUNUSED(allow) ) {};
 197   virtual void ClientToScreen( int *x, int *y );
 198   virtual void ScreenToClient( int *x, int *y );
 199
 200   virtual bool Validate();
 201   virtual bool TransferDataToWindow();
 202   virtual bool TransferDataFromWindow();
 203   void OnInitDialog( wxInitDialogEvent &event );
 204   virtual void InitDialog();
 205
 206   virtual bool PopupMenu( wxMenu *menu, int x, int y );
 207
 208   virtual void SetDropTarget( wxDropTarget *dropTarget );
 209   virtual wxDropTarget *GetDropTarget() const;
 210
 211 //private:
 212   virtual GtkWidget* GetConnectWidget(void);
 213   virtual bool IsOwnGtkWindow( GdkWindow *window );
 214
 215 public:
 216   virtual void SetScrollbar( int orient, int pos, int thumbVisible,
 217     int range, bool refresh = TRUE );
 218   virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
 219   virtual int GetScrollPos( int orient ) const;
 220   virtual int GetScrollThumb( int orient ) const;
 221   virtual int GetScrollRange( int orient ) const;
 222   virtual void ScrollWindow( int dx, int dy, const wxRect* rect = NULL );
 223
 224   // return FALSE from here if the window doesn't want the focus
 225   virtual bool AcceptsFocus() const;
 226
 227   // update the UI state (called from OnIdle)
 228   void UpdateWindowUI();
 229
 230
 231 public:         // cannot get private going yet
 232
 233   void PreCreation( wxWindow *parent, wxWindowID id, const wxPoint &pos,
 234     const wxSize &size, long style, const wxString &name );
 235   void PostCreation();
 236   bool HasVMT();
 237   virtual void ImplementSetSize();
 238   virtual void ImplementSetPosition();
 239
 240   wxWindow       *m_parent;
 241   wxList          m_children;
 242   int             m_x,m_y;
 243   int             m_width,m_height;
 244   int             m_retCode;
 245   wxEvtHandler   *m_eventHandler;
 246   wxValidator    *m_windowValidator;
 247   wxDropTarget   *m_pDropTarget;
 248   wxWindowID      m_windowId;
 249   wxCursor       *m_cursor;
 250   wxFont          m_font;
 251   wxColour        m_backgroundColour;
 252   wxColour        m_defaultBackgroundColour;
 253   wxColour        m_foregroundColour ;
 254   wxColour        m_defaultForegroundColour;
 255   wxRegion        m_updateRegion;
 256   long            m_windowStyle;
 257   bool            m_isShown;
 258   bool            m_isEnabled;
 259   wxString        m_windowName;
 260
 261   GtkWidget      *m_widget;
 262   GtkWidget      *m_wxwindow;
 263   GtkAdjustment  *m_hAdjust,*m_vAdjust;
 264   float           m_oldHorizontalPos;
 265   float           m_oldVerticalPos;
 266   bool            m_needParent;
 267   bool            m_hasScrolling;
 268   bool            m_hasVMT;
 269   bool            m_sizeSet;
 270   bool            m_resizing;
 271
 272 public:  // Layout section
 273
 274   wxLayoutConstraints * m_constraints;
 275   wxList *              m_constraintsInvolvedIn;
 276   wxSizer *             m_windowSizer;
 277   wxWindow *            m_sizerParent;
 278   bool                  m_autoLayout;
 279
 280   wxLayoutConstraints *GetConstraints() const;
 281   void SetConstraints( wxLayoutConstraints *constraints );
 282   void SetAutoLayout( bool autoLayout );
 283   bool GetAutoLayout() const;
 284   bool Layout();
 285   void SetSizer( wxSizer *sizer );
 286   wxSizer *GetSizer() const;
 287   void SetSizerParent( wxWindow *win );
 288   wxWindow *GetSizerParent() const;
 289   void UnsetConstraints(wxLayoutConstraints *c);
 290   inline wxList *GetConstraintsInvolvedIn() const ;
 291   void AddConstraintReference(wxWindow *otherWin);
 292   void RemoveConstraintReference(wxWindow *otherWin);
 293   void DeleteRelatedConstraints();
 294   virtual void ResetConstraints();
 295   virtual void SetConstraintSizes(bool recurse = TRUE);
 296   virtual bool LayoutPhase1(int *noChanges);
 297   virtual bool LayoutPhase2(int *noChanges);
 298   virtual bool DoPhase(int);
 299   virtual void TransformSizerToActual(int *x, int *y) const ;
 300   virtual void SizerSetSize(int x, int y, int w, int h);
 301   virtual void SizerMove(int x, int y);
 302   virtual void SetSizeConstraint(int x, int y, int w, int h);
 303   virtual void MoveConstraint(int x, int y);
 304   virtual void GetSizeConstraint(int *w, int *h) const ;
 305   virtual void GetClientSizeConstraint(int *w, int *h) const ;
 306   virtual void GetPositionConstraint(int *x, int *y) const ;
 307
 308   DECLARE_DYNAMIC_CLASS(wxWindow)
 309   DECLARE_EVENT_TABLE()
 310 };
 311
 312 #endif // __GTKWINDOWH__