/////////////////////////////////////////////////////////////////////////////
-// Name: private.h
-// Purpose: Private declarations
+// Name: wx/msw/private.h
+// Purpose: Private declarations: as this header is only included by
+// wxWidgets itself, it may contain identifiers which don't start
+// with "wx".
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef __PRIVATEH__
-#define __PRIVATEH__
+#ifndef _WX_PRIVATE_H_
+#define _WX_PRIVATE_H_
-#include "wx/defs.h"
+#include "wx/msw/wrapwin.h"
-#include <windows.h>
+#ifdef __WXMICROWIN__
+ // Extra prototypes and symbols not defined by MicroWindows
+ #include "wx/msw/microwin.h"
+#endif
+
+#include "wx/log.h"
+
+class WXDLLIMPEXP_FWD_CORE wxFont;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
+
+// ---------------------------------------------------------------------------
+// private constants
+// ---------------------------------------------------------------------------
+
+// 260 was taken from windef.h
+#ifndef MAX_PATH
+ #define MAX_PATH 260
+#endif
-#define VIEWPORT_EXTENT 1000
+// ---------------------------------------------------------------------------
+// standard icons from the resources
+// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxFont ;
+#if wxUSE_GUI
-void WXDLLEXPORT wxGetCharSize(WXHWND wnd, int *x, int *y,wxFont *the_font);
-void WXDLLEXPORT wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
-wxWindow* WXDLLEXPORT wxFindWinFromHandle(WXHWND hWnd);
-void WXDLLEXPORT wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
+extern WXDLLEXPORT_DATA(HICON) wxSTD_FRAME_ICON;
+extern WXDLLEXPORT_DATA(HICON) wxSTD_MDIPARENTFRAME_ICON;
+extern WXDLLEXPORT_DATA(HICON) wxSTD_MDICHILDFRAME_ICON;
+extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_FRAME_ICON;
+extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
+extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_MDICHILDFRAME_ICON;
+extern WXDLLEXPORT_DATA(HFONT) wxSTATUS_LINE_FONT;
-WXDLLEXPORT_DATA(extern HICON) wxSTD_FRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxSTD_MDIPARENTFRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxSTD_MDICHILDFRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_FRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDICHILDFRAME_ICON;
-WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT;
+#endif // wxUSE_GUI
-extern HINSTANCE WXDLLEXPORT wxGetInstance();
-void WXDLLEXPORT wxFillLogFont(LOGFONT *logFont, wxFont *font);
-wxFont WXDLLEXPORT wxCreateFontFromLogFont(LOGFONT *logFont); // , bool createNew = TRUE);
+// ---------------------------------------------------------------------------
+// global data
+// ---------------------------------------------------------------------------
-#ifdef __GNUWIN32__
-#define CASTWNDPROC (long unsigned)
+extern WXDLLIMPEXP_DATA_BASE(HINSTANCE) wxhInstance;
+
+// ---------------------------------------------------------------------------
+// define things missing from some compilers' headers
+// ---------------------------------------------------------------------------
+
+#if defined(__WXWINCE__) || (defined(__GNUWIN32__) && !wxUSE_NORLANDER_HEADERS)
+#ifndef ZeroMemory
+ inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); }
+#endif
+#endif // old mingw32
+
+// this defines a CASTWNDPROC macro which casts a pointer to the type of a
+// window proc
+#if defined(STRICT) || defined(__GNUC__)
+ typedef WNDPROC WndProcCast;
#else
-#define CASTWNDPROC
+ typedef FARPROC WndProcCast;
#endif
-#if !defined(APIENTRY) // NT defines APIENTRY, 3.x not
-#define APIENTRY FAR PASCAL
+
+#define CASTWNDPROC (WndProcCast)
+
+
+
+// ---------------------------------------------------------------------------
+// some stuff for old Windows versions (FIXME: what does it do here??)
+// ---------------------------------------------------------------------------
+
+#if !defined(APIENTRY) // NT defines APIENTRY, 3.x not
+ #define APIENTRY FAR PASCAL
#endif
-
+
#ifdef __WIN32__
-#define _EXPORT /**/
+ #define _EXPORT
#else
-#define _EXPORT _export
-typedef signed short int SHORT ;
-#endif
-
-#if !defined(__WIN32__) // 3.x uses FARPROC for dialogs
-#define DLGPROC FARPROC
+ #define _EXPORT _export
#endif
-#if USE_PENWIN
-void WXDLLEXPORT wxRegisterPenWin(void);
-void WXDLLEXPORT wxCleanUpPenWin(void);
-void WXDLLEXPORT wxEnablePenAppHooks (bool hook);
+#ifndef __WIN32__
+ typedef signed short int SHORT;
#endif
-#if USE_ITSY_BITSY
-#define IBS_HORZCAPTION 0x4000L
-#define IBS_VERTCAPTION 0x8000L
-
-UINT WINAPI ibGetCaptionSize( HWND hWnd ) ;
-UINT WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ;
-LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ;
-VOID WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
+#if !defined(__WIN32__) // 3.x uses FARPROC for dialogs
+#ifndef STRICT
+ #define DLGPROC FARPROC
#endif
-
-/* When implementing a new item, be sure to:
- *
- * - add the item to the parent panel
- * - set window_parent to the parent
- * - NULL any extra child window pointers not created for this item
- * (e.g. label control that wasn't needed)
- * - delete any extra child windows in the destructor (e.g. label control)
- * - implement GetSize and SetSize
- * - to find panel position if coordinates are (-1, -1), use GetPosition
- * - call AdvanceCursor after creation, for panel layout mechanism.
- *
- */
-
-#if CTL3D
-#include <wx/msw/ctl3d/ctl3d.h>
#endif
/*
* Decide what window classes we're going to use
* for this combination of CTl3D/FAFA settings
*/
-
-#define STATIC_CLASS "STATIC"
+
+#define STATIC_CLASS wxT("STATIC")
#define STATIC_FLAGS (SS_LEFT|WS_CHILD|WS_VISIBLE)
-#define CHECK_CLASS "BUTTON"
+#define CHECK_CLASS wxT("BUTTON")
#define CHECK_FLAGS (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
-#define CHECK_IS_FAFA FALSE
-#define RADIO_CLASS "BUTTON"
+#define CHECK_IS_FAFA FALSE
+#define RADIO_CLASS wxT("BUTTON")
#define RADIO_FLAGS (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
#define RADIO_SIZE 20
-#define RADIO_IS_FAFA FALSE
+#define RADIO_IS_FAFA FALSE
#define PURE_WINDOWS
-#define GROUP_CLASS "BUTTON"
+#define GROUP_CLASS wxT("BUTTON")
#define GROUP_FLAGS (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
/*
#define BITRADIO_FLAGS (FC_BUTTONDRAW|FB_BITMAP|FC_RADIO|WS_CHILD|WS_VISIBLE)
*/
+// ---------------------------------------------------------------------------
+// misc macros
+// ---------------------------------------------------------------------------
+
#define MEANING_CHARACTER '0'
-#define DEFAULT_ITEM_WIDTH 200
+#define DEFAULT_ITEM_WIDTH 100
#define DEFAULT_ITEM_HEIGHT 80
-#define EDIT_CONTROL_FACTOR (15.0/10.0)
- // Scale font to get edit control height
+
+// Scale font to get edit control height
+//#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) (3*(cy)/2)
+#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) (cy+8)
// Generic subclass proc, for panel item moving/sizing and intercept
// EDIT control VK_RETURN messages
extern LONG APIENTRY _EXPORT
wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
+// ---------------------------------------------------------------------------
+// useful macros and functions
+// ---------------------------------------------------------------------------
+
+// a wrapper macro for ZeroMemory()
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)
+#define wxZeroMemory(obj) ::ZeroMemory(&obj, sizeof(obj))
+#else
+#define wxZeroMemory(obj) memset((void*) & obj, 0, sizeof(obj))
+#endif
+
+// This one is a macro so that it can be tested with #ifdef, it will be
+// undefined if it cannot be implemented for a given compiler.
+// Vc++, bcc, dmc, ow, mingw, codewarrior (and rsxnt) have _get_osfhandle.
+// Cygwin has get_osfhandle. Others are currently unknown, e.g. Salford,
+// Intel, Visual Age.
+#if defined(__WXWINCE__)
+ #define wxGetOSFHandle(fd) ((HANDLE)fd)
+ #define wxOpenOSFHandle(h, flags) ((int)wxPtrToUInt(h))
+#elif defined(__CYGWIN__)
+ #define wxGetOSFHandle(fd) ((HANDLE)get_osfhandle(fd))
+#elif defined(__VISUALC__) \
+ || defined(__BORLANDC__) \
+ || defined(__DMC__) \
+ || defined(__WATCOMC__) \
+ || defined(__MINGW32__) \
+ || (defined(__MWERKS__) && defined(__MSL__))
+ #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
+ #define wxOpenOSFHandle(h, flags) (_open_osfhandle(wxPtrToUInt(h), flags))
+ #define wx_fdopen _fdopen
+#endif
+
+// close the handle in the class dtor
+class AutoHANDLE
+{
+public:
+ wxEXPLICIT AutoHANDLE(HANDLE handle) : m_handle(handle) { }
+
+ bool IsOk() const { return m_handle != INVALID_HANDLE_VALUE; }
+ operator HANDLE() const { return m_handle; }
+
+ ~AutoHANDLE() { if ( IsOk() ) ::CloseHandle(m_handle); }
+
+protected:
+ HANDLE m_handle;
+};
+
+// a template to make initializing Windows styructs less painful: it zeroes all
+// the struct fields and also sets cbSize member to the correct value (and so
+// can be only used with structures which have this member...)
+template <class T>
+struct WinStruct : public T
+{
+ WinStruct()
+ {
+ ::ZeroMemory(this, sizeof(T));
+
+ // explicit qualification is required here for this to be valid C++
+ this->cbSize = sizeof(T);
+ }
+};
+
+
+#if wxUSE_GUI
+
+#include "wx/gdicmn.h"
+#include "wx/colour.h"
+
+// make conversion from wxColour and COLORREF a bit less painful
+inline COLORREF wxColourToRGB(const wxColour& c)
+{
+ return RGB(c.Red(), c.Green(), c.Blue());
+}
+
+inline COLORREF wxColourToPalRGB(const wxColour& c)
+{
+ return PALETTERGB(c.Red(), c.Green(), c.Blue());
+}
+
+inline wxColour wxRGBToColour(COLORREF rgb)
+{
+ return wxColour(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
+}
+
+inline void wxRGBToColour(wxColour& c, COLORREF rgb)
+{
+ c.Set(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
+}
+
+// get the standard colour map for some standard colours - see comment in this
+// function to understand why is it needed and when should it be used
+//
+// it returns a wxCOLORMAP (can't use COLORMAP itself here as comctl32.dll
+// might be not included/available) array of size wxSTD_COLOUR_MAX
+//
+// NB: if you change these colours, update wxBITMAP_STD_COLOURS in the
+// resources as well: it must have the same number of pixels!
+enum wxSTD_COLOUR
+{
+ wxSTD_COL_BTNTEXT,
+ wxSTD_COL_BTNSHADOW,
+ wxSTD_COL_BTNFACE,
+ wxSTD_COL_BTNHIGHLIGHT,
+ wxSTD_COL_MAX
+};
+
+struct WXDLLEXPORT wxCOLORMAP
+{
+ COLORREF from, to;
+};
+
+// this function is implemented in src/msw/window.cpp
+extern wxCOLORMAP *wxGetStdColourMap();
+
+// create a wxRect from Windows RECT
+inline wxRect wxRectFromRECT(const RECT& rc)
+{
+ return wxRect(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
+}
+
+// copy Windows RECT to our wxRect
+inline void wxCopyRECTToRect(const RECT& rc, wxRect& rect)
+{
+ rect = wxRectFromRECT(rc);
+}
+
+// and vice versa
+inline void wxCopyRectToRECT(const wxRect& rect, RECT& rc)
+{
+ // note that we don't use wxRect::GetRight() as it is one of compared to
+ // wxRectFromRECT() above
+ rc.top = rect.y;
+ rc.left = rect.x;
+ rc.right = rect.x + rect.width;
+ rc.bottom = rect.y + rect.height;
+}
+
+// translations between HIMETRIC units (which OLE likes) and pixels (which are
+// liked by all the others) - implemented in msw/utilsexc.cpp
+extern void HIMETRICToPixel(LONG *x, LONG *y);
+extern void PixelToHIMETRIC(LONG *x, LONG *y);
+
+// Windows convention of the mask is opposed to the wxWidgets one, so we need
+// to invert the mask each time we pass one/get one to/from Windows
+extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0);
+
+// Creates an icon or cursor depending from a bitmap
+//
+// The bitmap must be valid and it should have a mask. If it doesn't, a default
+// mask is created using light grey as the transparent colour.
+extern HICON wxBitmapToHICON(const wxBitmap& bmp);
+
+// Same requirments as above apply and the bitmap must also have the correct
+// size.
+extern
+HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY);
+
+// get (x, y) from DWORD - notice that HI/LOWORD can *not* be used because they
+// will fail on system with multiple monitors where the coords may be negative
+//
+// these macros are standard now (Win98) but some older headers don't have them
+#ifndef GET_X_LPARAM
+ #define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
+ #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
+#endif // GET_X_LPARAM
+
+// get the current state of SHIFT/CTRL keys
+inline bool wxIsShiftDown()
+{
+// return (::GetKeyState(VK_SHIFT) & 0x100) != 0;
+ // Returns different negative values on WinME and WinNT,
+ // so simply test for negative value.
+ return ::GetKeyState(VK_SHIFT) < 0;
+}
+
+inline bool wxIsCtrlDown()
+{
+// return (::GetKeyState(VK_CONTROL) & 0x100) != 0;
+ // Returns different negative values on WinME and WinNT,
+ // so simply test for negative value.
+ return ::GetKeyState(VK_CONTROL) < 0;
+}
+
+// wrapper around GetWindowRect() and GetClientRect() APIs doing error checking
+// for Win32
+inline RECT wxGetWindowRect(HWND hwnd)
+{
+ RECT rect;
+
+ if ( !::GetWindowRect(hwnd, &rect) )
+ wxLogLastError(_T("GetWindowRect"));
+
+ return rect;
+}
+
+inline RECT wxGetClientRect(HWND hwnd)
+{
+ RECT rect;
+
+ if ( !::GetClientRect(hwnd, &rect) )
+ wxLogLastError(_T("GetClientRect"));
+
+ return rect;
+}
+
+// ---------------------------------------------------------------------------
+// small helper classes
+// ---------------------------------------------------------------------------
+
+// create an instance of this class and use it as the HDC for screen, will
+// automatically release the DC going out of scope
+class ScreenHDC
+{
+public:
+ ScreenHDC() { m_hdc = ::GetDC(NULL); }
+ ~ScreenHDC() { ::ReleaseDC(NULL, m_hdc); }
+
+ operator HDC() const { return m_hdc; }
+
+private:
+ HDC m_hdc;
+
+ DECLARE_NO_COPY_CLASS(ScreenHDC)
+};
+
+// the same as ScreenHDC but for window DCs
+class WindowHDC
+{
+public:
+ WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); }
+ ~WindowHDC() { ::ReleaseDC(m_hwnd, m_hdc); }
+
+ operator HDC() const { return m_hdc; }
+
+private:
+ HWND m_hwnd;
+ HDC m_hdc;
+
+ DECLARE_NO_COPY_CLASS(WindowHDC)
+};
+
+// the same as ScreenHDC but for memory DCs: creates the HDC compatible with
+// the given one (screen by default) in ctor and destroys it in dtor
+class MemoryHDC
+{
+public:
+ MemoryHDC(HDC hdc = 0) { m_hdc = ::CreateCompatibleDC(hdc); }
+ ~MemoryHDC() { ::DeleteDC(m_hdc); }
+
+ operator HDC() const { return m_hdc; }
+
+private:
+ HDC m_hdc;
+
+ DECLARE_NO_COPY_CLASS(MemoryHDC)
+};
+
+// a class which selects a GDI object into a DC in its ctor and deselects in
+// dtor
+class SelectInHDC
+{
+private:
+ void DoInit(HGDIOBJ hgdiobj) { m_hgdiobj = ::SelectObject(m_hdc, hgdiobj); }
+
+public:
+ SelectInHDC() : m_hdc(NULL) { }
+ SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) { DoInit(hgdiobj); }
+
+ void Init(HDC hdc, HGDIOBJ hgdiobj)
+ {
+ wxASSERT_MSG( !m_hdc, _T("initializing twice?") );
+
+ m_hdc = hdc;
+
+ DoInit(hgdiobj);
+ }
+
+ ~SelectInHDC() { if ( m_hdc ) ::SelectObject(m_hdc, m_hgdiobj); }
+
+ // return true if the object was successfully selected
+ operator bool() const { return m_hgdiobj != 0; }
+
+private:
+ HDC m_hdc;
+ HGDIOBJ m_hgdiobj;
+
+ DECLARE_NO_COPY_CLASS(SelectInHDC)
+};
+
+// a class which cleans up any GDI object
+class AutoGDIObject
+{
+protected:
+ AutoGDIObject() { m_gdiobj = NULL; }
+ AutoGDIObject(HGDIOBJ gdiobj) : m_gdiobj(gdiobj) { }
+ ~AutoGDIObject() { if ( m_gdiobj ) ::DeleteObject(m_gdiobj); }
+
+ void InitGdiobj(HGDIOBJ gdiobj)
+ {
+ wxASSERT_MSG( !m_gdiobj, _T("initializing twice?") );
+
+ m_gdiobj = gdiobj;
+ }
+
+ HGDIOBJ GetObject() const { return m_gdiobj; }
+
+private:
+ HGDIOBJ m_gdiobj;
+};
+
+// TODO: all this asks for using a AutoHandler<T, CreateFunc> template...
+
+// a class for temporary brushes
+class AutoHBRUSH : private AutoGDIObject
+{
+public:
+ AutoHBRUSH(COLORREF col)
+ : AutoGDIObject(::CreateSolidBrush(col)) { }
+
+ operator HBRUSH() const { return (HBRUSH)GetObject(); }
+};
+
+// a class for temporary fonts
+class AutoHFONT : private AutoGDIObject
+{
+private:
+public:
+ AutoHFONT()
+ : AutoGDIObject() { }
+
+ AutoHFONT(const LOGFONT& lf)
+ : AutoGDIObject(::CreateFontIndirect(&lf)) { }
+
+ void Init(const LOGFONT& lf) { InitGdiobj(::CreateFontIndirect(&lf)); }
+
+ operator HFONT() const { return (HFONT)GetObject(); }
+};
+
+// a class for temporary pens
+class AutoHPEN : private AutoGDIObject
+{
+public:
+ AutoHPEN(COLORREF col)
+ : AutoGDIObject(::CreatePen(PS_SOLID, 0, col)) { }
+
+ operator HPEN() const { return (HPEN)GetObject(); }
+};
+
+// classes for temporary bitmaps
+class AutoHBITMAP : private AutoGDIObject
+{
+public:
+ AutoHBITMAP(HBITMAP hbmp) : AutoGDIObject(hbmp) { }
+
+ operator HBITMAP() const { return (HBITMAP)GetObject(); }
+};
+
+class CompatibleBitmap : public AutoHBITMAP
+{
+public:
+ CompatibleBitmap(HDC hdc, int w, int h)
+ : AutoHBITMAP(::CreateCompatibleBitmap(hdc, w, h))
+ {
+ }
+};
+
+class MonoBitmap : public AutoHBITMAP
+{
+public:
+ MonoBitmap(int w, int h)
+ : AutoHBITMAP(::CreateBitmap(w, h, 1, 1, 0))
+ {
+ }
+};
+
+// class automatically destroys the region object
+class AutoHRGN : private AutoGDIObject
+{
+public:
+ AutoHRGN(HRGN hrgn) : AutoGDIObject(hrgn) { }
+
+ operator HRGN() const { return (HRGN)GetObject(); }
+};
+
+// class sets the specified clipping region during its life time
+class HDCClipper
+{
+public:
+ HDCClipper(HDC hdc, HRGN hrgn)
+ : m_hdc(hdc)
+ {
+ if ( !::SelectClipRgn(hdc, hrgn) )
+ wxLogLastError(_T("SelectClipRgn"));
+ }
+
+ ~HDCClipper()
+ {
+ ::SelectClipRgn(m_hdc, NULL);
+ }
+
+private:
+ HDC m_hdc;
+
+ DECLARE_NO_COPY_CLASS(HDCClipper)
+};
+
+// set the given map mode for the life time of this object
+//
+// NB: SetMapMode() is not supported by CE so we also define a helper macro
+// to avoid using it there
+#ifdef __WXWINCE__
+ #define wxCHANGE_HDC_MAP_MODE(hdc, mm)
+#else // !__WXWINCE__
+ class HDCMapModeChanger
+ {
+ public:
+ HDCMapModeChanger(HDC hdc, int mm)
+ : m_hdc(hdc)
+ {
+ m_modeOld = ::SetMapMode(hdc, mm);
+ if ( !m_modeOld )
+ wxLogLastError(_T("SelectClipRgn"));
+ }
+
+ ~HDCMapModeChanger()
+ {
+ if ( m_modeOld )
+ ::SetMapMode(m_hdc, m_modeOld);
+ }
+
+ private:
+ HDC m_hdc;
+ int m_modeOld;
+
+ DECLARE_NO_COPY_CLASS(HDCMapModeChanger)
+ };
+
+ #define wxCHANGE_HDC_MAP_MODE(hdc, mm) \
+ HDCMapModeChanger wxMAKE_UNIQUE_NAME(wxHDCMapModeChanger)(hdc, mm)
+#endif // __WXWINCE__/!__WXWINCE__
+
+// smart buffeer using GlobalAlloc/GlobalFree()
+class GlobalPtr
+{
+public:
+ // allocates a block of given size
+ GlobalPtr(size_t size, unsigned flags = GMEM_MOVEABLE)
+ {
+ m_hGlobal = ::GlobalAlloc(flags, size);
+ if ( !m_hGlobal )
+ wxLogLastError(_T("GlobalAlloc"));
+ }
+
+ ~GlobalPtr()
+ {
+ if ( m_hGlobal && ::GlobalFree(m_hGlobal) )
+ wxLogLastError(_T("GlobalFree"));
+ }
+
+ // implicit conversion
+ operator HGLOBAL() const { return m_hGlobal; }
+
+private:
+ HGLOBAL m_hGlobal;
+
+ DECLARE_NO_COPY_CLASS(GlobalPtr)
+};
+
+// when working with global pointers (which is unfortunately still necessary
+// sometimes, e.g. for clipboard) it is important to unlock them exactly as
+// many times as we lock them which just asks for using a "smart lock" class
+class GlobalPtrLock
+{
+public:
+ GlobalPtrLock(HGLOBAL hGlobal) : m_hGlobal(hGlobal)
+ {
+ m_ptr = GlobalLock(hGlobal);
+ if ( !m_ptr )
+ wxLogLastError(_T("GlobalLock"));
+ }
+
+ ~GlobalPtrLock()
+ {
+ if ( !GlobalUnlock(m_hGlobal) )
+ {
+#ifdef __WXDEBUG__
+ // this might happen simply because the block became unlocked
+ DWORD dwLastError = ::GetLastError();
+ if ( dwLastError != NO_ERROR )
+ {
+ wxLogApiError(_T("GlobalUnlock"), dwLastError);
+ }
+#endif // __WXDEBUG__
+ }
+ }
+
+ operator void *() const { return m_ptr; }
+
+private:
+ HGLOBAL m_hGlobal;
+ void *m_ptr;
+
+ DECLARE_NO_COPY_CLASS(GlobalPtrLock)
+};
+
+// register the class when it is first needed and unregister it in dtor
+class ClassRegistrar
+{
+public:
+ // ctor doesn't register the class, call Initialize() for this
+ ClassRegistrar() { m_registered = -1; }
+
+ // return true if the class is already registered
+ bool IsInitialized() const { return m_registered != -1; }
+
+ // return true if the class had been already registered
+ bool IsRegistered() const { return m_registered == 1; }
+
+ // try to register the class if not done yet, return true on success
+ bool Register(const WNDCLASS& wc)
+ {
+ // we should only be called if we hadn't been initialized yet
+ wxASSERT_MSG( m_registered == -1,
+ _T("calling ClassRegistrar::Register() twice?") );
+
+ m_registered = ::RegisterClass(&wc) ? 1 : 0;
+ if ( !IsRegistered() )
+ {
+ wxLogLastError(_T("RegisterClassEx()"));
+ }
+ else
+ {
+ m_clsname = wc.lpszClassName;
+ }
+
+ return m_registered == 1;
+ }
+
+ // get the name of the registered class (returns empty string if not
+ // registered)
+ const wxString& GetName() const { return m_clsname; }
+
+ // unregister the class if it had been registered
+ ~ClassRegistrar()
+ {
+ if ( IsRegistered() )
+ {
+ if ( !::UnregisterClass(m_clsname.wx_str(), wxhInstance) )
+ {
+ wxLogLastError(_T("UnregisterClass"));
+ }
+ }
+ }
+
+private:
+ // initial value is -1 which means that we hadn't tried registering the
+ // class yet, it becomes true or false (1 or 0) when Initialize() is called
+ int m_registered;
+
+ // the name of the class, only non empty if it had been registered
+ wxString m_clsname;
+};
+
+// ---------------------------------------------------------------------------
+// macros to make casting between WXFOO and FOO a bit easier: the GetFoo()
+// returns Foo cast to the Windows type for oruselves, while GetFooOf() takes
+// an argument which should be a pointer or reference to the object of the
+// corresponding class (this depends on the macro)
+// ---------------------------------------------------------------------------
+
+#define GetHwnd() ((HWND)GetHWND())
+#define GetHwndOf(win) ((HWND)((win)->GetHWND()))
+// old name
+#define GetWinHwnd GetHwndOf
+
+#define GetHdc() ((HDC)GetHDC())
+#define GetHdcOf(dc) ((HDC)(dc).GetHDC())
+
+#define GetHbitmap() ((HBITMAP)GetHBITMAP())
+#define GetHbitmapOf(bmp) ((HBITMAP)(bmp).GetHBITMAP())
+
+#define GetHicon() ((HICON)GetHICON())
+#define GetHiconOf(icon) ((HICON)(icon).GetHICON())
+
+#define GetHaccel() ((HACCEL)GetHACCEL())
+#define GetHaccelOf(table) ((HACCEL)((table).GetHACCEL()))
+
+#define GetHbrush() ((HBRUSH)GetResourceHandle())
+#define GetHbrushOf(brush) ((HBRUSH)(brush).GetResourceHandle())
+
+#define GetHmenu() ((HMENU)GetHMenu())
+#define GetHmenuOf(menu) ((HMENU)menu->GetHMenu())
+
+#define GetHcursor() ((HCURSOR)GetHCURSOR())
+#define GetHcursorOf(cursor) ((HCURSOR)(cursor).GetHCURSOR())
+
+#define GetHfont() ((HFONT)GetHFONT())
+#define GetHfontOf(font) ((HFONT)(font).GetHFONT())
+
+#define GetHimagelist() ((HIMAGELIST)GetHIMAGELIST())
+#define GetHimagelistOf(imgl) ((HIMAGELIST)imgl->GetHIMAGELIST())
+
+#define GetHpalette() ((HPALETTE)GetHPALETTE())
+#define GetHpaletteOf(pal) ((HPALETTE)(pal).GetHPALETTE())
+
+#define GetHpen() ((HPEN)GetResourceHandle())
+#define GetHpenOf(pen) ((HPEN)(pen).GetResourceHandle())
+
+#define GetHrgn() ((HRGN)GetHRGN())
+#define GetHrgnOf(rgn) ((HRGN)(rgn).GetHRGN())
+
+#endif // wxUSE_GUI
+
+// ---------------------------------------------------------------------------
+// global functions
+// ---------------------------------------------------------------------------
+
+extern "C"
+{
+ WXDLLIMPEXP_BASE HINSTANCE wxGetInstance();
+}
+
+WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
+
+// return the full path of the given module
+inline wxString wxGetFullModuleName(HMODULE hmod)
+{
+ wxString fullname;
+ if ( !::GetModuleFileName
+ (
+ hmod,
+ wxStringBuffer(fullname, MAX_PATH),
+ MAX_PATH
+ ) )
+ {
+ wxLogLastError(_T("GetModuleFileName"));
+ }
+
+ return fullname;
+}
+
+// return the full path of the program file
+inline wxString wxGetFullModuleName()
+{
+ return wxGetFullModuleName((HMODULE)wxGetInstance());
+}
+
+// return the run-time version of the OS in a format similar to
+// WINVER/_WIN32_WINNT compile-time macros:
+//
+// 0x0300 Windows NT 3.51
+// 0x0400 Windows 95, NT4
+// 0x0410 Windows 98
+// 0x0500 Windows ME, 2000
+// 0x0501 Windows XP
+// 0x0502 Windows 2003
+// 0x0600 Longhorn
+//
+// for the other Windows versions 0 is currently returned
+enum wxWinVersion
+{
+ wxWinVersion_Unknown = 0,
+
+ wxWinVersion_3 = 0x0300,
+ wxWinVersion_NT3 = wxWinVersion_3,
+
+ wxWinVersion_4 = 0x0400,
+ wxWinVersion_95 = wxWinVersion_4,
+ wxWinVersion_NT4 = wxWinVersion_4,
+ wxWinVersion_98 = 0x0410,
+
+ wxWinVersion_5 = 0x0500,
+ wxWinVersion_ME = wxWinVersion_5,
+ wxWinVersion_NT5 = wxWinVersion_5,
+ wxWinVersion_2000 = wxWinVersion_5,
+ wxWinVersion_XP = 0x0501,
+ wxWinVersion_2003 = 0x0502,
+
+ wxWinVersion_6 = 0x0600,
+ wxWinVersion_Vista = wxWinVersion_6,
+ wxWinVersion_NT6 = wxWinVersion_6
+};
+
+WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion();
+
+#if wxUSE_GUI
+
+// cursor stuff
+extern HCURSOR wxGetCurrentBusyCursor(); // from msw/utils.cpp
+extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
+
+WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font);
+WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
+WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
+WXDLLEXPORT wxFontEncoding wxGetFontEncFromCharSet(int charset);
+
+WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
+WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
+
// Find maximum size of window/rectangle
-extern void WXDLLEXPORT wxFindMaxSize(WXHWND hwnd, RECT *rect);
+extern WXDLLEXPORT void wxFindMaxSize(WXHWND hwnd, RECT *rect);
-// List of scrollbar controls
-WXDLLEXPORT_DATA(extern wxList) wxScrollBarList;
-// The MakeProcInstance version of the function wxSubclassedGenericControlProc
-WXDLLEXPORT_DATA(extern FARPROC) wxGenericControlSubClassProc;
-WXDLLEXPORT_DATA(extern char*) wxBuffer;
-WXDLLEXPORT_DATA(extern HINSTANCE) wxhInstance;
+// Safely get the window text (i.e. without using fixed size buffer)
+extern WXDLLEXPORT wxString wxGetWindowText(WXHWND hWnd);
-wxWindow* WXDLLEXPORT wxFindControlFromHandle(WXHWND hWnd);
-void WXDLLEXPORT wxAddControlHandle(WXHWND hWnd, wxWindow *item);
+// get the window class name
+extern WXDLLEXPORT wxString wxGetWindowClass(WXHWND hWnd);
-#if !defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE)
-#define WS_EX_CLIENTEDGE 0
-#endif
+// get the window id (should be unsigned, hence this is not wxWindowID which
+// is, for mainly historical reasons, signed)
+extern WXDLLEXPORT WXWORD wxGetWindowId(WXHWND hWnd);
-#endif
- // __PRIVATEH__
+// check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
+// different
+extern WXDLLEXPORT bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc);
+
+// Does this window style specify any border?
+inline bool wxStyleHasBorder(long style)
+{
+ return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER |
+ wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
+}
+
+// ----------------------------------------------------------------------------
+// functions mapping HWND to wxWindow
+// ----------------------------------------------------------------------------
+
+// this function simply checks whether the given hWnd corresponds to a wxWindow
+// and returns either that window if it does or NULL otherwise
+extern WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd);
+
+// find the window for HWND which is part of some wxWindow, i.e. unlike
+// wxFindWinFromHandle() above it will also work for "sub controls" of a
+// wxWindow.
+//
+// returns the wxWindow corresponding to the given HWND or NULL.
+extern WXDLLEXPORT wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
+
+// Get the size of an icon
+extern WXDLLEXPORT wxSize wxGetHiconSize(HICON hicon);
+
+// Lines are drawn differently for WinCE and regular WIN32
+WXDLLEXPORT void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2);
+
+// fill the client rect of the given window on the provided dc using this brush
+inline void wxFillRect(HWND hwnd, HDC hdc, HBRUSH hbr)
+{
+ RECT rc;
+ ::GetClientRect(hwnd, &rc);
+ ::FillRect(hdc, &rc, hbr);
+}
+
+// ----------------------------------------------------------------------------
+// 32/64 bit helpers
+// ----------------------------------------------------------------------------
+
+#ifdef __WIN64__
+
+inline void *wxGetWindowProc(HWND hwnd)
+{
+ return (void *)::GetWindowLongPtr(hwnd, GWLP_WNDPROC);
+}
+
+inline void *wxGetWindowUserData(HWND hwnd)
+{
+ return (void *)::GetWindowLongPtr(hwnd, GWLP_USERDATA);
+}
+
+inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func)
+{
+ return (WNDPROC)::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)func);
+}
+
+inline void *wxSetWindowUserData(HWND hwnd, void *data)
+{
+ return (void *)::SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)data);
+}
+
+#else // __WIN32__
+
+// note that the casts to LONG_PTR here are required even on 32-bit machines
+// for the 64-bit warning mode of later versions of MSVC (C4311/4312)
+inline WNDPROC wxGetWindowProc(HWND hwnd)
+{
+ return (WNDPROC)(LONG_PTR)::GetWindowLong(hwnd, GWL_WNDPROC);
+}
+
+inline void *wxGetWindowUserData(HWND hwnd)
+{
+ return (void *)(LONG_PTR)::GetWindowLong(hwnd, GWL_USERDATA);
+}
+
+inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func)
+{
+ return (WNDPROC)(LONG_PTR)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR)func);
+}
+
+inline void *wxSetWindowUserData(HWND hwnd, void *data)
+{
+ return (void *)(LONG_PTR)::SetWindowLong(hwnd, GWL_USERDATA, (LONG_PTR)data);
+}
+
+#endif // __WIN64__/__WIN32__
+
+#endif // wxUSE_GUI
+
+#endif // _WX_PRIVATE_H_
projects / wxWidgets.git / blobdiff