include/wx/palmos/window.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/palmos/window.h
   3 // Purpose:     wxWindow class
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by: Wlodzimierz ABX Skiba - more than minimal functionality
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne, Wlodzimierz Skiba
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_WINDOW_H_
  13 #define _WX_WINDOW_H_
  14
  15 // ---------------------------------------------------------------------------
  16 // headers
  17 // ---------------------------------------------------------------------------
  18
  19 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  20     #pragma interface "window.h"
  21 #endif
  22
  23 // [at least] some version of Windows send extra mouse move messages after
  24 // a mouse click or a key press - to temporarily fix this problem, set the
  25 // define below to 1
  26 //
  27 // a better solution should be found later...
  28 #define wxUSE_MOUSEEVENT_HACK 0
  29
  30 // ---------------------------------------------------------------------------
  31 // wxWindow declaration for Palm
  32 // ---------------------------------------------------------------------------
  33
  34 class WXDLLEXPORT wxWindowPalm : public wxWindowBase
  35 {
  36 public:
  37     wxWindowPalm() { Init(); }
  38
  39     wxWindowPalm(wxWindow *parent,
  40                 wxWindowID id,
  41                 const wxPoint& pos = wxDefaultPosition,
  42                 const wxSize& size = wxDefaultSize,
  43                 long style = 0,
  44                 const wxString& name = wxPanelNameStr)
  45     {
  46         Init();
  47         Create(parent, id, pos, size, style, name);
  48     }
  49
  50     virtual ~wxWindowPalm();
  51
  52     bool Create(wxWindow *parent,
  53                 wxWindowID id,
  54                 const wxPoint& pos = wxDefaultPosition,
  55                 const wxSize& size = wxDefaultSize,
  56                 long style = 0,
  57                 const wxString& name = wxPanelNameStr);
  58
  59     // implement base class pure virtuals
  60     virtual void SetTitle( const wxString& title);
  61     virtual wxString GetTitle() const;
  62
  63     virtual void Raise();
  64     virtual void Lower();
  65
  66     virtual bool Show( bool show = true );
  67     virtual bool Enable( bool enable = true );
  68
  69     virtual void SetFocus();
  70     virtual void SetFocusFromKbd();
  71
  72     virtual bool Reparent(wxWindowBase *newParent);
  73
  74     virtual void WarpPointer(int x, int y);
  75
  76     virtual void Refresh( bool eraseBackground = true,
  77                           const wxRect *rect = NULL );
  78     virtual void Update();
  79     virtual void Freeze();
  80     virtual void Thaw();
  81
  82     virtual bool SetCursor( const wxCursor &cursor );
  83     virtual bool SetFont( const wxFont &font );
  84
  85     virtual int GetCharHeight() const;
  86     virtual int GetCharWidth() const;
  87     virtual void GetTextExtent(const wxString& string,
  88                                int *x, int *y,
  89                                int *descent = (int *) NULL,
  90                                int *externalLeading = (int *) NULL,
  91                                const wxFont *theFont = (const wxFont *) NULL)
  92                                const;
  93
  94 #if wxUSE_MENUS_NATIVE
  95     virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
  96 #endif // wxUSE_MENUS_NATIVE
  97
  98     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
  99                                int range, bool refresh = true );
 100     virtual void SetScrollPos( int orient, int pos, bool refresh = true );
 101     virtual int GetScrollPos( int orient ) const;
 102     virtual int GetScrollThumb( int orient ) const;
 103     virtual int GetScrollRange( int orient ) const;
 104     virtual void ScrollWindow( int dx, int dy,
 105                                const wxRect* rect = (wxRect *) NULL );
 106
 107     virtual bool ScrollLines(int lines);
 108     virtual bool ScrollPages(int pages);
 109
 110 #if wxUSE_DRAG_AND_DROP
 111     virtual void SetDropTarget( wxDropTarget *dropTarget );
 112 #endif // wxUSE_DRAG_AND_DROP
 113
 114     // Accept files for dragging
 115     virtual void DragAcceptFiles(bool accept);
 116
 117 #ifndef __WXUNIVERSAL__
 118     // Native resource loading (implemented in src/Palm/nativdlg.cpp)
 119     // FIXME: should they really be all virtual?
 120     virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
 121     virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
 122     wxWindow* GetWindowChild1(wxWindowID id);
 123     wxWindow* GetWindowChild(wxWindowID id);
 124 #endif // __WXUNIVERSAL__
 125
 126 #if wxUSE_HOTKEY
 127     // install and deinstall a system wide hotkey
 128     virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
 129     virtual bool UnregisterHotKey(int hotkeyId);
 130 #endif // wxUSE_HOTKEY
 131
 132     // implementation from now on
 133     // --------------------------
 134
 135     // simple accessors
 136     // ----------------
 137
 138     virtual WXWINHANDLE GetWinHandle() const { return m_handle; }
 139     virtual WXWidget GetHandle() const { return GetWinHandle(); }
 140
 141     // event handlers
 142     // --------------
 143
 144     void OnEraseBackground(wxEraseEvent& event);
 145     void OnPaint(wxPaintEvent& event);
 146
 147 public:
 148     wxWindow *FindItem(long id) const;
 149     wxWindow *FindItemByWinHandle(WXWINHANDLE handle, bool controlOnly = false) const;
 150
 151     // Palm only: true if this control is part of the main control
 152     virtual bool ContainsWinHandle(WXWINHANDLE WXUNUSED(handle)) const { return false; };
 153
 154     // translate wxWidgets style flags for this control into the Windows style
 155     // and optional extended style for the corresponding native control
 156     //
 157     // this is the function that should be overridden in the derived classes,
 158     // but you will mostly use PalmGetCreateWindowFlags() below
 159     virtual WXDWORD PalmGetStyle(long flags, WXDWORD *exstyle = NULL) const ;
 160
 161     // get the Palm window flags corresponding to wxWidgets ones
 162     //
 163     // the functions returns the flags (WS_XXX) directly and puts the ext
 164     // (WS_EX_XXX) flags into the provided pointer if not NULL
 165     WXDWORD PalmGetCreateWindowFlags(WXDWORD *exflags = NULL) const
 166         { return PalmGetStyle(GetWindowStyle(), exflags); }
 167
 168     // translate wxWidgets coords into Windows ones suitable to be passed to
 169     // ::CreateWindow()
 170     //
 171     // returns true if non default coords are returned, false otherwise
 172     bool PalmGetCreateWindowCoords(const wxPoint& pos,
 173                                   const wxSize& size,
 174                                   int& x, int& y,
 175                                   int& w, int& h) const;
 176
 177     // creates the window of specified Windows class with given style, extended
 178     // style, title and geometry (default values
 179     //
 180     // returns true if the window has been created, false if creation failed
 181     bool PalmCreate(const wxChar *wclass,
 182                    const wxChar *title = NULL,
 183                    const wxPoint& pos = wxDefaultPosition,
 184                    const wxSize& size = wxDefaultSize,
 185                    WXDWORD style = 0,
 186                    WXDWORD exendedStyle = 0);
 187
 188 #ifndef __WXUNIVERSAL__
 189     // Create an appropriate wxWindow from a WinHandle
 190     virtual wxWindow* CreateWindowFromWinHandle(wxWindow* parent, WXWINHANDLE handle);
 191
 192     // Make sure the window style reflects the WinHandle style (roughly)
 193     virtual void AdoptAttributesFromWinHandle();
 194 #endif // __WXUNIVERSAL__
 195
 196     // Setup background and foreground colours correctly
 197     virtual void SetupColours();
 198
 199     // ------------------------------------------------------------------------
 200     // internal handlers for Palm messages: all handlers return a boolean value:
 201     // true means that the handler processed the event and false that it didn't
 202     // ------------------------------------------------------------------------
 203
 204     // scroll event (both horizontal and vertical)
 205     virtual bool PalmOnScroll(int orientation, WXWORD nSBCode,
 206                               WXWORD pos, WXWINHANDLE control);
 207
 208     // virtual function for implementing internal idle
 209     // behaviour
 210     virtual void OnInternalIdle() ;
 211
 212 protected:
 213     // the window handle
 214     WinHandle m_handle;
 215     FormType *FrameForm;
 216
 217     FormType *GetFormPtr();
 218     void SetFormPtr(FormType *FormPtr);
 219
 220     // additional (Palm specific) flags
 221     bool                  m_mouseInWindow:1;
 222     bool                  m_lastKeydownProcessed:1;
 223
 224     // the size of one page for scrolling
 225     int                   m_xThumbSize;
 226     int                   m_yThumbSize;
 227
 228 #if wxUSE_MOUSEEVENT_HACK
 229     // the coordinates of the last mouse event and the type of it
 230     long                  m_lastMouseX,
 231                           m_lastMouseY;
 232     int                   m_lastMouseEvent;
 233 #endif // wxUSE_MOUSEEVENT_HACK
 234
 235     WXHMENU               m_hMenu; // Menu, if any
 236
 237     // implement the base class pure virtuals
 238     virtual void DoClientToScreen( int *x, int *y ) const;
 239     virtual void DoScreenToClient( int *x, int *y ) const;
 240     virtual void DoGetPosition( int *x, int *y ) const;
 241     virtual void DoGetSize( int *width, int *height ) const;
 242     virtual void DoGetClientSize( int *width, int *height ) const;
 243     virtual void DoSetSize(int x, int y,
 244                            int width, int height,
 245                            int sizeFlags = wxSIZE_AUTO);
 246     virtual void DoSetClientSize(int width, int height);
 247
 248     virtual void DoCaptureMouse();
 249     virtual void DoReleaseMouse();
 250
 251     // move the window to the specified location and resize it: this is called
 252     // from both DoSetSize() and DoSetClientSize() and would usually just call
 253     // ::MoveWindow() except for composite controls which will want to arrange
 254     // themselves inside the given rectangle
 255     virtual void DoMoveWindow(int x, int y, int width, int height);
 256
 257 #if wxUSE_TOOLTIPS
 258     virtual void DoSetToolTip( wxToolTip *tip );
 259
 260     // process TTN_NEEDTEXT message properly (i.e. fixing the bugs in
 261     // comctl32.dll in our code -- see the function body for more info)
 262     bool HandleTooltipNotify(WXUINT code,
 263                              WXLPARAM lParam,
 264                              const wxString& ttip);
 265 #endif // wxUSE_TOOLTIPS
 266
 267 private:
 268     // common part of all ctors
 269     void Init();
 270
 271     // the (non-virtual) handlers for the events
 272     bool HandleMove(int x, int y);
 273     bool HandleMoving(wxRect& rect);
 274     bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);
 275
 276     // list of disabled children before last call to our Disable()
 277     wxWindowList *m_childrenDisabled;
 278
 279     // number of calls to Freeze() minus number of calls to Thaw()
 280     unsigned int m_frozenness;
 281
 282     DECLARE_DYNAMIC_CLASS(wxWindowPalm)
 283     DECLARE_NO_COPY_CLASS(wxWindowPalm)
 284     DECLARE_EVENT_TABLE()
 285 };
 286
 287 // ----------------------------------------------------------------------------
 288 // global objects
 289 // ----------------------------------------------------------------------------
 290
 291 // notice that this hash must be defined after wxWindow declaration as it
 292 // needs to "see" its dtor and not just forward declaration
 293 #include "wx/hash.h"
 294
 295 // pseudo-template WinHandle <-> wxWindow hash table
 296 WX_DECLARE_HASH(wxWindowPalm, wxWindowList, wxWinHashTable);
 297
 298 extern wxWinHashTable *wxWinHandleHash;
 299
 300 #endif
 301     // _WX_WINDOW_H_