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wxWidgets/include/wx/msw/private.h

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/////////////////////////////////////////////////////////////////////////////
// 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
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PRIVATE_H_
#define _WX_PRIVATE_H_
#include "wx/msw/wrapwin.h"
#ifdef __WXMICROWIN__
// Extra prototypes and symbols not defined by MicroWindows
#include "wx/msw/microwin.h"
#endif
#include "wx/log.h"
#if wxUSE_GUI
#include "wx/window.h"
#endif // wxUSE_GUI
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
// ---------------------------------------------------------------------------
// standard icons from the resources
// ---------------------------------------------------------------------------
#if wxUSE_GUI
extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_FRAME_ICON;
extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_MDIPARENTFRAME_ICON;
extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_MDICHILDFRAME_ICON;
extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_FRAME_ICON;
extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_MDICHILDFRAME_ICON;
extern WXDLLIMPEXP_DATA_CORE(HFONT) wxSTATUS_LINE_FONT;
#endif // wxUSE_GUI
// ---------------------------------------------------------------------------
// global data
// ---------------------------------------------------------------------------
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
typedef FARPROC WndProcCast;
#endif
#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
#else
#define _EXPORT _export
#endif
#ifndef __WIN32__
typedef signed short int SHORT;
#endif
#if !defined(__WIN32__) // 3.x uses FARPROC for dialogs
#ifndef STRICT
#define DLGPROC FARPROC
#endif
#endif
/*
* Decide what window classes we're going to use
* for this combination of CTl3D/FAFA settings
*/
#define STATIC_CLASS wxT("STATIC")
#define STATIC_FLAGS (SS_LEFT|WS_CHILD|WS_VISIBLE)
#define CHECK_CLASS wxT("BUTTON")
#define CHECK_FLAGS (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
#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 PURE_WINDOWS
#define GROUP_CLASS wxT("BUTTON")
#define GROUP_FLAGS (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
/*
#define BITCHECK_FLAGS (FB_BITMAP|FC_BUTTONDRAW|FC_DEFAULT|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 100
#define DEFAULT_ITEM_HEIGHT 80
// 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 WXDLLIMPEXP_CORE 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);
#if wxUSE_OWNER_DRAWN
// Draw the bitmap in specified state (this is used by owner drawn controls)
enum wxDSBStates
{
wxDSB_NORMAL = 0,
wxDSB_SELECTED,
wxDSB_DISABLED
};
extern
BOOL wxDrawStateBitmap(HDC hDC, HBITMAP hBitmap, int x, int y, UINT uState);
#endif // wxUSE_OWNER_DRAWN
// 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/ALT keys
inline bool wxIsModifierDown(int vk)
{
// GetKeyState() returns different negative values on WinME and WinNT,
// so simply test for negative value.
return ::GetKeyState(vk) < 0;
}
inline bool wxIsShiftDown()
{
return wxIsModifierDown(VK_SHIFT);
}
inline bool wxIsCtrlDown()
{
return wxIsModifierDown(VK_CONTROL);
}
inline bool wxIsAltDown()
{
return wxIsModifierDown(VK_MENU);
}
inline bool wxIsAnyModifierDown()
{
return wxIsShiftDown() || wxIsCtrlDown() || wxIsAltDown();
}
// 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;
wxDECLARE_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;
wxDECLARE_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;
wxDECLARE_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;
wxDECLARE_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;
wxDECLARE_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;
wxDECLARE_NO_COPY_CLASS(HDCMapModeChanger);
};
#define wxCHANGE_HDC_MAP_MODE(hdc, mm) \
HDCMapModeChanger wxMAKE_UNIQUE_NAME(wxHDCMapModeChanger)(hdc, mm)
#endif // __WXWINCE__/!__WXWINCE__
// smart pointer using GlobalAlloc/GlobalFree()
class GlobalPtr
{
public:
// default ctor, call Init() later
GlobalPtr()
{
m_hGlobal = NULL;
}
// allocates a block of given size
void Init(size_t size, unsigned flags = GMEM_MOVEABLE)
{
m_hGlobal = ::GlobalAlloc(flags, size);
if ( !m_hGlobal )
wxLogLastError(_T("GlobalAlloc"));
}
GlobalPtr(size_t size, unsigned flags = GMEM_MOVEABLE)
{
Init(size, flags);
}
~GlobalPtr()
{
if ( m_hGlobal && ::GlobalFree(m_hGlobal) )
wxLogLastError(_T("GlobalFree"));
}
// implicit conversion
operator HGLOBAL() const { return m_hGlobal; }
private:
HGLOBAL m_hGlobal;
wxDECLARE_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:
// default ctor, use Init() later -- should only be used if the HGLOBAL can
// be NULL (in which case Init() shouldn't be called)
GlobalPtrLock()
{
m_hGlobal = NULL;
m_ptr = NULL;
}
// initialize the object, may be only called if we were created using the
// default ctor; HGLOBAL must not be NULL
void Init(HGLOBAL hGlobal)
{
m_hGlobal = hGlobal;
// NB: GlobalLock() is a macro, not a function, hence don't use the
// global scope operator with it (and neither with GlobalUnlock())
m_ptr = GlobalLock(hGlobal);
if ( !m_ptr )
wxLogLastError(_T("GlobalLock"));
}
// initialize the object, HGLOBAL must not be NULL
GlobalPtrLock(HGLOBAL hGlobal)
{
Init(hGlobal);
}
~GlobalPtrLock()
{
if ( m_hGlobal && !GlobalUnlock(m_hGlobal) )
{
// this might happen simply because the block became unlocked
DWORD dwLastError = ::GetLastError();
if ( dwLastError != NO_ERROR )
{
wxLogApiError(_T("GlobalUnlock"), dwLastError);
}
}
}
void *Get() const { return m_ptr; }
operator void *() const { return m_ptr; }
private:
HGLOBAL m_hGlobal;
void *m_ptr;
wxDECLARE_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
WXDLLIMPEXP_CORE void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font);
WXDLLIMPEXP_CORE void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
WXDLLIMPEXP_CORE wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
WXDLLIMPEXP_CORE wxFontEncoding wxGetFontEncFromCharSet(int charset);
WXDLLIMPEXP_CORE void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
WXDLLIMPEXP_CORE void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
// Find maximum size of window/rectangle
extern WXDLLIMPEXP_CORE void wxFindMaxSize(WXHWND hwnd, RECT *rect);
// Safely get the window text (i.e. without using fixed size buffer)
extern WXDLLIMPEXP_CORE wxString wxGetWindowText(WXHWND hWnd);
// get the window class name
extern WXDLLIMPEXP_CORE wxString wxGetWindowClass(WXHWND hWnd);
// get the window id (should be unsigned, hence this is not wxWindowID which
// is, for mainly historical reasons, signed)
extern WXDLLIMPEXP_CORE int wxGetWindowId(WXHWND hWnd);
// check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
// different
extern WXDLLIMPEXP_CORE 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;
}
inline long wxGetWindowExStyle(const wxWindowMSW *win)
{
return ::GetWindowLong(GetHwndOf(win), GWL_EXSTYLE);
}
inline bool wxHasWindowExStyle(const wxWindowMSW *win, long style)
{
return (wxGetWindowExStyle(win) & style) != 0;
}
inline long wxSetWindowExStyle(const wxWindowMSW *win, long style)
{
return ::SetWindowLong(GetHwndOf(win), GWL_EXSTYLE, style);
}
// ----------------------------------------------------------------------------
// 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 WXDLLIMPEXP_CORE wxWindow* wxFindWinFromHandle(HWND hwnd);
// without STRICT WXHWND is the same as HWND anyhow
inline wxWindow* wxFindWinFromHandle(WXHWND hWnd)
{
return wxFindWinFromHandle(static_cast<HWND>(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 WXDLLIMPEXP_CORE wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
// Get the size of an icon
extern WXDLLIMPEXP_CORE wxSize wxGetHiconSize(HICON hicon);
// Lines are drawn differently for WinCE and regular WIN32
WXDLLIMPEXP_CORE 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_
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