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

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/palmos/window.h
// Purpose:     wxWindow class
// Author:      William Osborne
// Modified by:
// Created:     10/13/04
// RCS-ID:      $Id: 
// Copyright:   (c) William Osborne
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_WINDOW_H_
#define _WX_WINDOW_H_

#ifdef __PALMOS__
    #include <PalmOS.h>
#endif


// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
    #pragma interface "window.h"
#endif

// [at least] some version of Windows send extra mouse move messages after
// a mouse click or a key press - to temporarily fix this problem, set the
// define below to 1
//
// a better solution should be found later...
#define wxUSE_MOUSEEVENT_HACK 0

// ---------------------------------------------------------------------------
// constants
// ---------------------------------------------------------------------------

// FIXME does anybody use those? they're unused by wxWidgets...
enum
{
    wxKEY_SHIFT = 1,
    wxKEY_CTRL  = 2
};

// ---------------------------------------------------------------------------
// wxWindow declaration for Palm
// ---------------------------------------------------------------------------

class WXDLLEXPORT wxWindowPalm : public wxWindowBase
{
public:
    wxWindowPalm() { Init(); }

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

    virtual ~wxWindowPalm();

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

    // implement base class pure virtuals
    virtual void SetTitle( const wxString& title);
    virtual wxString GetTitle() const;

    virtual void Raise();
    virtual void Lower();

    virtual bool Show( bool show = TRUE );
    virtual bool Enable( bool enable = TRUE );

    virtual void SetFocus();
    virtual void SetFocusFromKbd();

    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 Freeze();
    virtual void Thaw();

    virtual void SetWindowStyleFlag( long style );
    virtual bool SetCursor( const wxCursor &cursor );
    virtual bool SetFont( const wxFont &font );

    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 );

    virtual bool ScrollLines(int lines);
    virtual bool ScrollPages(int pages);

#if wxUSE_DRAG_AND_DROP
    virtual void SetDropTarget( wxDropTarget *dropTarget );
#endif // wxUSE_DRAG_AND_DROP

    // Accept files for dragging
    virtual void DragAcceptFiles(bool accept);

#if WXWIN_COMPATIBILITY_2_4
    wxDEPRECATED( bool GetUseCtl3D() const );
    wxDEPRECATED( bool GetTransparentBackground() const );
    wxDEPRECATED( void SetTransparent(bool t = TRUE) );
#endif // WXWIN_COMPATIBILITY_2_4

#ifndef __WXUNIVERSAL__
    // Native resource loading (implemented in src/Palm/nativdlg.cpp)
    // FIXME: should they really be all virtual?
    virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
    virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
    wxWindow* GetWindowChild1(wxWindowID id);
    wxWindow* GetWindowChild(wxWindowID id);
#endif // __WXUNIVERSAL__

#if wxUSE_HOTKEY
    // install and deinstall a system wide hotkey
    virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
    virtual bool UnregisterHotKey(int hotkeyId);
#endif // wxUSE_HOTKEY

    // implementation from now on
    // --------------------------

    // simple accessors
    // ----------------

    WXHWND GetHWND() const { return m_hWnd; }
    void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
    virtual WXWidget GetHandle() const { return GetHWND(); }

    // event handlers
    // --------------

    void OnEraseBackground(wxEraseEvent& event);
    void OnPaint(wxPaintEvent& event);

public:
    // For implementation purposes - sometimes decorations make the client area
    // smaller
    virtual wxPoint GetClientAreaOrigin() const;

    // Windows subclassing
    void SubclassWin(WXHWND hWnd);
    void UnsubclassWin();

    WXFARPROC PalmGetOldWndProc() const { return m_oldWndProc; }
    void PalmSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; }

    // return TRUE if the window is of a standard (i.e. not wxWidgets') class
    //
    // to understand why does it work, look at SubclassWin() code and comments
    bool IsOfStandardClass() const { return m_oldWndProc != NULL; }

    wxWindow *FindItem(long id) const;
    wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = FALSE) const;

    // Palm only: TRUE if this control is part of the main control
    virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return FALSE; };

    // translate wxWidgets style flags for this control into the Windows style
    // and optional extended style for the corresponding native control
    //
    // this is the function that should be overridden in the derived classes,
    // but you will mostly use PalmGetCreateWindowFlags() below
    virtual WXDWORD PalmGetStyle(long flags, WXDWORD *exstyle = NULL) const ;

    // get the Palm window flags corresponding to wxWidgets ones
    //
    // the functions returns the flags (WS_XXX) directly and puts the ext
    // (WS_EX_XXX) flags into the provided pointer if not NULL
    WXDWORD PalmGetCreateWindowFlags(WXDWORD *exflags = NULL) const
        { return PalmGetStyle(GetWindowStyle(), exflags); }

    // translate wxWidgets coords into Windows ones suitable to be passed to
    // ::CreateWindow()
    //
    // returns TRUE if non default coords are returned, FALSE otherwise
    bool PalmGetCreateWindowCoords(const wxPoint& pos,
                                  const wxSize& size,
                                  int& x, int& y,
                                  int& w, int& h) const;

    // get the HWND to be used as parent of this window with CreateWindow()
    virtual WXHWND PalmGetParent() const;

    // creates the window of specified Windows class with given style, extended
    // style, title and geometry (default values
    //
    // returns TRUE if the window has been created, FALSE if creation failed
    bool PalmCreate(const wxChar *wclass,
                   const wxChar *title = NULL,
                   const wxPoint& pos = wxDefaultPosition,
                   const wxSize& size = wxDefaultSize,
                   WXDWORD style = 0,
                   WXDWORD exendedStyle = 0);

    virtual bool PalmCommand(WXUINT param, WXWORD id);

#ifndef __WXUNIVERSAL__
    // Create an appropriate wxWindow from a HWND
    virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);

    // Make sure the window style reflects the HWND style (roughly)
    virtual void AdoptAttributesFromHWND();
#endif // __WXUNIVERSAL__

    // Setup background and foreground colours correctly
    virtual void SetupColours();

    // ------------------------------------------------------------------------
    // helpers for message handlers: these perform the same function as the
    // message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
    // the correct parameters
    // ------------------------------------------------------------------------

    void UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
                       WXWORD *id, WXHWND *hwnd, WXWORD *cmd);
    void UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
                        WXWORD *state, WXWORD *minimized, WXHWND *hwnd);
    void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
                      WXWORD *code, WXWORD *pos, WXHWND *hwnd);
    void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
                        WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd);
    void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
                          WXWORD *item, WXWORD *flags, WXHMENU *hmenu);

    // ------------------------------------------------------------------------
    // internal handlers for Palm messages: all handlers return a boolean value:
    // TRUE means that the handler processed the event and FALSE that it didn't
    // ------------------------------------------------------------------------

    // there are several cases where we have virtual functions for Windows
    // message processing: this is because these messages often require to be
    // processed in a different manner in the derived classes. For all other
    // messages, however, we do *not* have corresponding PalmOnXXX() function
    // and if the derived class wants to process them, it should override
    // PalmWindowProc() directly.

    // scroll event (both horizontal and vertical)
    virtual bool PalmOnScroll(int orientation, WXWORD nSBCode,
                             WXWORD pos, WXHWND control);

    // child control notifications
#ifdef __WIN95__
    virtual bool PalmOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
#endif // __WIN95__

    // owner-drawn controls need to process these messages
    virtual bool PalmOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
    virtual bool PalmOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);

    // the rest are not virtual
    bool HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate);
    bool HandleInitDialog(WXHWND hWndFocus);
    bool HandleDestroy();

    bool HandlePaint();
    bool HandleEraseBkgnd(WXHDC pDC);

    bool HandleMinimize();
    bool HandleMaximize();
    bool HandleSize(int x, int y, WXUINT flag);
    bool HandleSizing(wxRect& rect);
    bool HandleGetMinMaxInfo(void *mmInfo);

    bool HandleShow(bool show, int status);
    bool HandleActivate(int flag, bool minimized, WXHWND activate);

    bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);

    bool HandleCtlColor(WXHBRUSH *hBrush,
                        WXHDC hdc,
                        WXHWND hWnd,
                        WXUINT nCtlColor,
                        WXUINT message,
                        WXWPARAM wParam,
                        WXLPARAM lParam);

    bool HandlePaletteChanged(WXHWND hWndPalChange);
    bool HandleQueryNewPalette();
    bool HandleSysColorChange();
    bool HandleDisplayChange();
    bool HandleCaptureChanged(WXHWND gainedCapture);

    bool HandleQueryEndSession(long logOff, bool *mayEnd);
    bool HandleEndSession(bool endSession, long logOff);

    bool HandleSetFocus(WXHWND wnd);
    bool HandleKillFocus(WXHWND wnd);

    bool HandleDropFiles(WXWPARAM wParam);

    bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
    bool HandleMouseMove(int x, int y, WXUINT flags);
    bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam);

    bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = FALSE);
    bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam);
    bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam);
#if wxUSE_ACCEL
    bool HandleHotKey(WXWPARAM wParam, WXLPARAM lParam);
#endif
#ifdef __WIN32__
    int HandleMenuChar(int chAccel, WXLPARAM lParam);
#endif

    bool HandleQueryDragIcon(WXHICON *hIcon);

    bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg);

    // Window procedure
    virtual WXLRESULT PalmWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);

    // Calls an appropriate default window procedure
    virtual WXLRESULT PalmDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);

    // message processing helpers

    // return FALSE if the message shouldn't be translated/preprocessed but
    // dispatched normally
    virtual bool PalmShouldPreProcessMessage(WXMSG* pMsg);

    // return TRUE if the message was preprocessed and shouldn't be dispatched
    virtual bool PalmProcessMessage(WXMSG* pMsg);

    // return TRUE if the message was translated and shouldn't be dispatched
    virtual bool PalmTranslateMessage(WXMSG* pMsg);

    // called when the window is about to be destroyed
    virtual void PalmDestroyWindow();

    // this function should return the brush to paint the window background
    // with or 0 for the default brush
    virtual WXHBRUSH OnCtlColor(WXHDC hDC,
                                WXHWND hWnd,
                                WXUINT nCtlColor,
                                WXUINT message,
                                WXWPARAM wParam,
                                WXLPARAM lParam);

    // Responds to colour changes: passes event on to children.
    void OnSysColourChanged(wxSysColourChangedEvent& event);

    // initialize various fields of wxMouseEvent (common part of PalmOnMouseXXX)
    void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags);

    // check if mouse is in the window
    bool IsMouseInWindow() const;

    // virtual function for implementing internal idle
    // behaviour
    virtual void OnInternalIdle() ;

protected:
    // the window handle
    WXHWND                m_hWnd;
    FormType *FrameForm;
    
    FormType *GetFormPtr();
    void SetFormPtr(FormType *FormPtr);

    // the old window proc (we subclass all windows)
    WXFARPROC             m_oldWndProc;

    // additional (Palm specific) flags
    bool                  m_mouseInWindow:1;
    bool                  m_lastKeydownProcessed:1;

    // the size of one page for scrolling
    int                   m_xThumbSize;
    int                   m_yThumbSize;

#if wxUSE_MOUSEEVENT_HACK
    // the coordinates of the last mouse event and the type of it
    long                  m_lastMouseX,
                          m_lastMouseY;
    int                   m_lastMouseEvent;
#endif // wxUSE_MOUSEEVENT_HACK

    WXHMENU               m_hMenu; // Menu, if any

    // 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 DoCaptureMouse();
    virtual void DoReleaseMouse();

    // move the window to the specified location and resize it: this is called
    // from both DoSetSize() and DoSetClientSize() and would usually just call
    // ::MoveWindow() except for composite controls which will want to arrange
    // themselves inside the given rectangle
    virtual void DoMoveWindow(int x, int y, int width, int height);

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

    // process TTN_NEEDTEXT message properly (i.e. fixing the bugs in
    // comctl32.dll in our code -- see the function body for more info)
    bool HandleTooltipNotify(WXUINT code,
                             WXLPARAM lParam,
                             const wxString& ttip);
#endif // wxUSE_TOOLTIPS

    // the helper functions used by HandleChar/KeyXXX methods
    wxKeyEvent CreateKeyEvent(wxEventType evType, int id,
                              WXLPARAM lParam = 0, WXWPARAM wParam = 0) const;

private:
    // common part of all ctors
    void Init();

    // the (non-virtual) handlers for the events
    bool HandleMove(int x, int y);
    bool HandleMoving(wxRect& rect);
    bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);

#ifdef __WIN95__
    bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
#endif // __WIN95__

    // list of disabled children before last call to our Disable()
    wxWindowList *m_childrenDisabled;

    // number of calls to Freeze() minus number of calls to Thaw()
    unsigned int m_frozenness;

    DECLARE_DYNAMIC_CLASS(wxWindowPalm)
    DECLARE_NO_COPY_CLASS(wxWindowPalm)
    DECLARE_EVENT_TABLE()
};

// ----------------------------------------------------------------------------
// inline functions
// ----------------------------------------------------------------------------

#if WXWIN_COMPATIBILITY_2_4

inline bool wxWindowPalm::GetUseCtl3D() const { return false; }
inline bool wxWindowPalm::GetTransparentBackground() const { return false; }
inline void wxWindowPalm::SetTransparent(bool WXUNUSED(t)) { }

#endif // WXWIN_COMPATIBILITY_2_4

// ---------------------------------------------------------------------------
// global functions
// ---------------------------------------------------------------------------

// kbd code translation
WXDLLEXPORT int wxCharCodePalmToWX(int keySym, WXLPARAM lParam = 0);
WXDLLEXPORT int wxCharCodeWXToPalm(int id, bool *IsVirtual);

// window creation helper class: before creating a new HWND, instantiate an
// object of this class on stack - this allows to process the messages sent to
// the window even before CreateWindow() returns
class wxWindowCreationHook
{
public:
    wxWindowCreationHook(wxWindowPalm *winBeingCreated);
    ~wxWindowCreationHook();
};

// ----------------------------------------------------------------------------
// global objects
// ----------------------------------------------------------------------------

// notice that this hash must be defined after wxWindow declaration as it
// needs to "see" its dtor and not just forward declaration
#include "wx/hash.h"

// pseudo-template HWND <-> wxWindow hash table
#if WXWIN_COMPATIBILITY_2_4
WX_DECLARE_HASH(wxWindow, wxWindowList, wxWinHashTable);
#else
WX_DECLARE_HASH(wxWindowPalm, wxWindowList, wxWinHashTable);
#endif

extern wxWinHashTable *wxWinHandleHash;

#endif
    // _WX_WINDOW_H_
Commit	Line	Data
ffecfa5a JS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/palmos/window.h
	3	// Purpose: wxWindow class
	4	// Author: William Osborne
	5	// Modified by:
	6	// Created: 10/13/04
	7	// RCS-ID: $Id:
	8	// Copyright: (c) William Osborne
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_WINDOW_H_
	13	#define _WX_WINDOW_H_
	14
	15	#ifdef __PALMOS__
	16	#include <PalmOS.h>
	17	#endif
	18
	19
	20	// ---------------------------------------------------------------------------
	21	// headers
	22	// ---------------------------------------------------------------------------
	23
	24	#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
	25	#pragma interface "window.h"
	26	#endif
	27
	28	// [at least] some version of Windows send extra mouse move messages after
	29	// a mouse click or a key press - to temporarily fix this problem, set the
	30	// define below to 1
	31	//
	32	// a better solution should be found later...
	33	#define wxUSE_MOUSEEVENT_HACK 0
	34
	35	// ---------------------------------------------------------------------------
	36	// constants
	37	// ---------------------------------------------------------------------------
	38
	39	// FIXME does anybody use those? they're unused by wxWidgets...
	40	enum
	41	{
	42	wxKEY_SHIFT = 1,
	43	wxKEY_CTRL = 2
	44	};
	45
	46	// ---------------------------------------------------------------------------
	47	// wxWindow declaration for Palm
	48	// ---------------------------------------------------------------------------
	49
	50	class WXDLLEXPORT wxWindowPalm : public wxWindowBase
	51	{
	52	public:
	53	wxWindowPalm() { Init(); }
	54
	55	wxWindowPalm(wxWindow *parent,
	56	wxWindowID id,
	57	const wxPoint& pos = wxDefaultPosition,
	58	const wxSize& size = wxDefaultSize,
	59	long style = 0,
	60	const wxString& name = wxPanelNameStr)
	61	{
	62	Init();
	63	Create(parent, id, pos, size, style, name);
	64	}
65
66	virtual ~wxWindowPalm();
67
68	bool Create(wxWindow *parent,
69	wxWindowID id,
70	const wxPoint& pos = wxDefaultPosition,
71	const wxSize& size = wxDefaultSize,
72	long style = 0,
73	const wxString& name = wxPanelNameStr);
74
75	// implement base class pure virtuals
76	virtual void SetTitle( const wxString& title);
77	virtual wxString GetTitle() const;
78
79	virtual void Raise();
80	virtual void Lower();
81
82	virtual bool Show( bool show = TRUE );
83	virtual bool Enable( bool enable = TRUE );
84
85	virtual void SetFocus();
86	virtual void SetFocusFromKbd();
87
88	virtual bool Reparent(wxWindowBase *newParent);
89
90	virtual void WarpPointer(int x, int y);
91
92	virtual void Refresh( bool eraseBackground = TRUE,
93	const wxRect rect = (const wxRect ) NULL );
94	virtual void Update();
95	virtual void Freeze();
96	virtual void Thaw();
97
98	virtual void SetWindowStyleFlag( long style );
99	virtual bool SetCursor( const wxCursor &cursor );
100	virtual bool SetFont( const wxFont &font );
101
102	virtual int GetCharHeight() const;
103	virtual int GetCharWidth() const;
104	virtual void GetTextExtent(const wxString& string,
105	int x, int y,
106	int descent = (int ) NULL,
107	int externalLeading = (int ) NULL,
108	const wxFont theFont = (const wxFont ) NULL)
109	const;
110
111	#if wxUSE_MENUS_NATIVE
112	virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
113	#endif // wxUSE_MENUS_NATIVE
114
115	virtual void SetScrollbar( int orient, int pos, int thumbVisible,
116	int range, bool refresh = TRUE );
117	virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
118	virtual int GetScrollPos( int orient ) const;
119	virtual int GetScrollThumb( int orient ) const;
120	virtual int GetScrollRange( int orient ) const;
121	virtual void ScrollWindow( int dx, int dy,
122	const wxRect* rect = (wxRect *) NULL );
123
124	virtual bool ScrollLines(int lines);
125	virtual bool ScrollPages(int pages);
126
127	#if wxUSE_DRAG_AND_DROP
128	virtual void SetDropTarget( wxDropTarget *dropTarget );
129	#endif // wxUSE_DRAG_AND_DROP
130
131	// Accept files for dragging
132	virtual void DragAcceptFiles(bool accept);
133
134	#if WXWIN_COMPATIBILITY_2_4
135	wxDEPRECATED( bool GetUseCtl3D() const );
136	wxDEPRECATED( bool GetTransparentBackground() const );
137	wxDEPRECATED( void SetTransparent(bool t = TRUE) );
138	#endif // WXWIN_COMPATIBILITY_2_4
139
140	#ifndef __WXUNIVERSAL__
141	// Native resource loading (implemented in src/Palm/nativdlg.cpp)
142	// FIXME: should they really be all virtual?
143	virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
144	virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
145	wxWindow* GetWindowChild1(wxWindowID id);
146	wxWindow* GetWindowChild(wxWindowID id);
147	#endif // __WXUNIVERSAL__
148
149	#if wxUSE_HOTKEY
150	// install and deinstall a system wide hotkey
151	virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
152	virtual bool UnregisterHotKey(int hotkeyId);
153	#endif // wxUSE_HOTKEY
154
155	// implementation from now on
156	// --------------------------
157
158	// simple accessors
159	// ----------------
160
161	WXHWND GetHWND() const { return m_hWnd; }
162	void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
163	virtual WXWidget GetHandle() const { return GetHWND(); }
164
165	// event handlers
166	// --------------
167
168	void OnEraseBackground(wxEraseEvent& event);
169	void OnPaint(wxPaintEvent& event);
170
171	public:
172	// For implementation purposes - sometimes decorations make the client area
173	// smaller
174	virtual wxPoint GetClientAreaOrigin() const;
175
176	// Windows subclassing
177	void SubclassWin(WXHWND hWnd);
178	void UnsubclassWin();
179
180	WXFARPROC PalmGetOldWndProc() const { return m_oldWndProc; }
181	void PalmSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; }
182
183	// return TRUE if the window is of a standard (i.e. not wxWidgets') class
184	//
185	// to understand why does it work, look at SubclassWin() code and comments
186	bool IsOfStandardClass() const { return m_oldWndProc != NULL; }
187
188	wxWindow *FindItem(long id) const;
189	wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = FALSE) const;
190
191	// Palm only: TRUE if this control is part of the main control
192	virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return FALSE; };
193
194	// translate wxWidgets style flags for this control into the Windows style
195	// and optional extended style for the corresponding native control
196	//
197	// this is the function that should be overridden in the derived classes,
198	// but you will mostly use PalmGetCreateWindowFlags() below
199	virtual WXDWORD PalmGetStyle(long flags, WXDWORD *exstyle = NULL) const ;
200
201	// get the Palm window flags corresponding to wxWidgets ones
202	//
203	// the functions returns the flags (WS_XXX) directly and puts the ext
204	// (WS_EX_XXX) flags into the provided pointer if not NULL
205	WXDWORD PalmGetCreateWindowFlags(WXDWORD *exflags = NULL) const
206	{ return PalmGetStyle(GetWindowStyle(), exflags); }
207
208	// translate wxWidgets coords into Windows ones suitable to be passed to
209	// ::CreateWindow()
210	//
211	// returns TRUE if non default coords are returned, FALSE otherwise
212	bool PalmGetCreateWindowCoords(const wxPoint& pos,
213	const wxSize& size,
214	int& x, int& y,
215	int& w, int& h) const;
216
217	// get the HWND to be used as parent of this window with CreateWindow()
218	virtual WXHWND PalmGetParent() const;
219
220	// creates the window of specified Windows class with given style, extended
221	// style, title and geometry (default values
222	//
223	// returns TRUE if the window has been created, FALSE if creation failed
224	bool PalmCreate(const wxChar *wclass,
225	const wxChar *title = NULL,
226	const wxPoint& pos = wxDefaultPosition,
227	const wxSize& size = wxDefaultSize,
228	WXDWORD style = 0,
229	WXDWORD exendedStyle = 0);
230
231	virtual bool PalmCommand(WXUINT param, WXWORD id);
232
233	#ifndef __WXUNIVERSAL__
234	// Create an appropriate wxWindow from a HWND
235	virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);
236
237	// Make sure the window style reflects the HWND style (roughly)
238	virtual void AdoptAttributesFromHWND();
239	#endif // __WXUNIVERSAL__
240
241	// Setup background and foreground colours correctly
242	virtual void SetupColours();
243
244	// ------------------------------------------------------------------------
245	// helpers for message handlers: these perform the same function as the
246	// message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
247	// the correct parameters
248	// ------------------------------------------------------------------------
249
250	void UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
251	WXWORD id, WXHWND hwnd, WXWORD *cmd);
252	void UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
253	WXWORD state, WXWORD minimized, WXHWND *hwnd);
254	void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
255	WXWORD code, WXWORD pos, WXHWND *hwnd);
256	void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
257	WXWORD nCtlColor, WXHDC hdc, WXHWND *hwnd);
258	void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
259	WXWORD item, WXWORD flags, WXHMENU *hmenu);
260
261	// ------------------------------------------------------------------------
262	// internal handlers for Palm messages: all handlers return a boolean value:
263	// TRUE means that the handler processed the event and FALSE that it didn't
264	// ------------------------------------------------------------------------
265
266	// there are several cases where we have virtual functions for Windows
267	// message processing: this is because these messages often require to be
268	// processed in a different manner in the derived classes. For all other
269	// messages, however, we do not have corresponding PalmOnXXX() function
270	// and if the derived class wants to process them, it should override
271	// PalmWindowProc() directly.
272
273	// scroll event (both horizontal and vertical)
274	virtual bool PalmOnScroll(int orientation, WXWORD nSBCode,
275	WXWORD pos, WXHWND control);
276
277	// child control notifications
278	#ifdef __WIN95__
279	virtual bool PalmOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
280	#endif // __WIN95__
281
282	// owner-drawn controls need to process these messages
283	virtual bool PalmOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
284	virtual bool PalmOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);
285
286	// the rest are not virtual
287	bool HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate);
288	bool HandleInitDialog(WXHWND hWndFocus);
289	bool HandleDestroy();
290
291	bool HandlePaint();
292	bool HandleEraseBkgnd(WXHDC pDC);
293
294	bool HandleMinimize();
295	bool HandleMaximize();
296	bool HandleSize(int x, int y, WXUINT flag);
297	bool HandleSizing(wxRect& rect);
298	bool HandleGetMinMaxInfo(void *mmInfo);
299
300	bool HandleShow(bool show, int status);
301	bool HandleActivate(int flag, bool minimized, WXHWND activate);
302
303	bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
304
305	bool HandleCtlColor(WXHBRUSH *hBrush,
306	WXHDC hdc,
307	WXHWND hWnd,
308	WXUINT nCtlColor,
309	WXUINT message,
310	WXWPARAM wParam,
311	WXLPARAM lParam);
312
313	bool HandlePaletteChanged(WXHWND hWndPalChange);
314	bool HandleQueryNewPalette();
315	bool HandleSysColorChange();
316	bool HandleDisplayChange();
317	bool HandleCaptureChanged(WXHWND gainedCapture);
318
319	bool HandleQueryEndSession(long logOff, bool *mayEnd);
320	bool HandleEndSession(bool endSession, long logOff);
321
322	bool HandleSetFocus(WXHWND wnd);
323	bool HandleKillFocus(WXHWND wnd);
324
325	bool HandleDropFiles(WXWPARAM wParam);
326
327	bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
328	bool HandleMouseMove(int x, int y, WXUINT flags);
329	bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam);
330
331	bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = FALSE);
332	bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam);
333	bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam);
334	#if wxUSE_ACCEL
335	bool HandleHotKey(WXWPARAM wParam, WXLPARAM lParam);
336	#endif
337	#ifdef __WIN32__
338	int HandleMenuChar(int chAccel, WXLPARAM lParam);
339	#endif
340
341	bool HandleQueryDragIcon(WXHICON *hIcon);
342
343	bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg);
344
345	// Window procedure
346	virtual WXLRESULT PalmWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
347
348	// Calls an appropriate default window procedure
349	virtual WXLRESULT PalmDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
350
351	// message processing helpers
352
353	// return FALSE if the message shouldn't be translated/preprocessed but
354	// dispatched normally
355	virtual bool PalmShouldPreProcessMessage(WXMSG* pMsg);
356
357	// return TRUE if the message was preprocessed and shouldn't be dispatched
358	virtual bool PalmProcessMessage(WXMSG* pMsg);
359
360	// return TRUE if the message was translated and shouldn't be dispatched
361	virtual bool PalmTranslateMessage(WXMSG* pMsg);
362
363	// called when the window is about to be destroyed
364	virtual void PalmDestroyWindow();
365
366	// this function should return the brush to paint the window background
367	// with or 0 for the default brush
368	virtual WXHBRUSH OnCtlColor(WXHDC hDC,
369	WXHWND hWnd,
370	WXUINT nCtlColor,
371	WXUINT message,
372	WXWPARAM wParam,
373	WXLPARAM lParam);
374
375	// Responds to colour changes: passes event on to children.
376	void OnSysColourChanged(wxSysColourChangedEvent& event);
377
378	// initialize various fields of wxMouseEvent (common part of PalmOnMouseXXX)
379	void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags);
380
381	// check if mouse is in the window
382	bool IsMouseInWindow() const;
383
384	// virtual function for implementing internal idle
385	// behaviour
386	virtual void OnInternalIdle() ;
387
388	protected:
389	// the window handle
390	WXHWND m_hWnd;
391	FormType *FrameForm;
392
393	FormType *GetFormPtr();
394	void SetFormPtr(FormType *FormPtr);
395
396	// the old window proc (we subclass all windows)
397	WXFARPROC m_oldWndProc;
398
399	// additional (Palm specific) flags
400	bool m_mouseInWindow:1;
401	bool m_lastKeydownProcessed:1;
402
403	// the size of one page for scrolling
404	int m_xThumbSize;
405	int m_yThumbSize;
406
407	#if wxUSE_MOUSEEVENT_HACK
408	// the coordinates of the last mouse event and the type of it
409	long m_lastMouseX,
410	m_lastMouseY;
411	int m_lastMouseEvent;
412	#endif // wxUSE_MOUSEEVENT_HACK
413
414	WXHMENU m_hMenu; // Menu, if any
415
416	// implement the base class pure virtuals
417	virtual void DoClientToScreen( int x, int y ) const;
418	virtual void DoScreenToClient( int x, int y ) const;
419	virtual void DoGetPosition( int x, int y ) const;
420	virtual void DoGetSize( int width, int height ) const;
421	virtual void DoGetClientSize( int width, int height ) const;
422	virtual void DoSetSize(int x, int y,
423	int width, int height,
424	int sizeFlags = wxSIZE_AUTO);
425	virtual void DoSetClientSize(int width, int height);
426
427	virtual void DoCaptureMouse();
428	virtual void DoReleaseMouse();
429
430	// move the window to the specified location and resize it: this is called
431	// from both DoSetSize() and DoSetClientSize() and would usually just call
432	// ::MoveWindow() except for composite controls which will want to arrange
433	// themselves inside the given rectangle
434	virtual void DoMoveWindow(int x, int y, int width, int height);
435
436	#if wxUSE_TOOLTIPS
437	virtual void DoSetToolTip( wxToolTip *tip );
438
439	// process TTN_NEEDTEXT message properly (i.e. fixing the bugs in
440	// comctl32.dll in our code -- see the function body for more info)
441	bool HandleTooltipNotify(WXUINT code,
442	WXLPARAM lParam,
443	const wxString& ttip);
444	#endif // wxUSE_TOOLTIPS
445
446	// the helper functions used by HandleChar/KeyXXX methods
447	wxKeyEvent CreateKeyEvent(wxEventType evType, int id,
448	WXLPARAM lParam = 0, WXWPARAM wParam = 0) const;
449
450	private:
451	// common part of all ctors
452	void Init();
453
454	// the (non-virtual) handlers for the events
455	bool HandleMove(int x, int y);
456	bool HandleMoving(wxRect& rect);
457	bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);
458
459	#ifdef __WIN95__
460	bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
461	#endif // __WIN95__
462
463	// list of disabled children before last call to our Disable()
464	wxWindowList *m_childrenDisabled;
465
466	// number of calls to Freeze() minus number of calls to Thaw()
467	unsigned int m_frozenness;
468
469	DECLARE_DYNAMIC_CLASS(wxWindowPalm)
470	DECLARE_NO_COPY_CLASS(wxWindowPalm)
471	DECLARE_EVENT_TABLE()
472	};
473
474	// ----------------------------------------------------------------------------
475	// inline functions
476	// ----------------------------------------------------------------------------
477
478	#if WXWIN_COMPATIBILITY_2_4
479
480	inline bool wxWindowPalm::GetUseCtl3D() const { return false; }
481	inline bool wxWindowPalm::GetTransparentBackground() const { return false; }
482	inline void wxWindowPalm::SetTransparent(bool WXUNUSED(t)) { }
483
484	#endif // WXWIN_COMPATIBILITY_2_4
485
486	// ---------------------------------------------------------------------------
487	// global functions
488	// ---------------------------------------------------------------------------
489
490	// kbd code translation
491	WXDLLEXPORT int wxCharCodePalmToWX(int keySym, WXLPARAM lParam = 0);
492	WXDLLEXPORT int wxCharCodeWXToPalm(int id, bool *IsVirtual);
493
494	// window creation helper class: before creating a new HWND, instantiate an
495	// object of this class on stack - this allows to process the messages sent to
496	// the window even before CreateWindow() returns
497	class wxWindowCreationHook
498	{
499	public:
500	wxWindowCreationHook(wxWindowPalm *winBeingCreated);
501	~wxWindowCreationHook();
502	};
503
504	// ----------------------------------------------------------------------------
505	// global objects
506	// ----------------------------------------------------------------------------
507
508	// notice that this hash must be defined after wxWindow declaration as it
509	// needs to "see" its dtor and not just forward declaration
510	#include "wx/hash.h"
511
512	// pseudo-template HWND <-> wxWindow hash table
513	#if WXWIN_COMPATIBILITY_2_4
514	WX_DECLARE_HASH(wxWindow, wxWindowList, wxWinHashTable);
515	#else
516	WX_DECLARE_HASH(wxWindowPalm, wxWindowList, wxWinHashTable);
517	#endif
518
519	extern wxWinHashTable *wxWinHandleHash;
520
521	#endif
522	// _WX_WINDOW_H_