1079 lines
30 KiB
C
1079 lines
30 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/private.h
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// Purpose: Private declarations: as this header is only included by
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// wxWidgets itself, it may contain identifiers which don't start
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// with "wx".
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_PRIVATE_H_
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#define _WX_PRIVATE_H_
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#include "wx/msw/wrapwin.h"
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#ifdef __WXMICROWIN__
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// Extra prototypes and symbols not defined by MicroWindows
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#include "wx/msw/microwin.h"
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#endif
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#include "wx/log.h"
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#if wxUSE_GUI
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#include "wx/window.h"
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#endif // wxUSE_GUI
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class WXDLLIMPEXP_FWD_CORE wxFont;
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class WXDLLIMPEXP_FWD_CORE wxWindow;
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class WXDLLIMPEXP_FWD_CORE wxWindowBase;
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// ---------------------------------------------------------------------------
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// private constants
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// ---------------------------------------------------------------------------
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// 260 was taken from windef.h
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#ifndef MAX_PATH
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#define MAX_PATH 260
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#endif
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// ---------------------------------------------------------------------------
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// standard icons from the resources
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// ---------------------------------------------------------------------------
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#if wxUSE_GUI
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extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_FRAME_ICON;
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extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_MDIPARENTFRAME_ICON;
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extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_MDICHILDFRAME_ICON;
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extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_FRAME_ICON;
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extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
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extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_MDICHILDFRAME_ICON;
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extern WXDLLIMPEXP_DATA_CORE(HFONT) wxSTATUS_LINE_FONT;
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#endif // wxUSE_GUI
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// ---------------------------------------------------------------------------
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// global data
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// ---------------------------------------------------------------------------
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extern WXDLLIMPEXP_DATA_BASE(HINSTANCE) wxhInstance;
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extern "C"
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{
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WXDLLIMPEXP_BASE HINSTANCE wxGetInstance();
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}
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WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
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// ---------------------------------------------------------------------------
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// define things missing from some compilers' headers
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// ---------------------------------------------------------------------------
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#if defined(__WXWINCE__) || (defined(__GNUWIN32__) && !wxUSE_NORLANDER_HEADERS)
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#ifndef ZeroMemory
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inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); }
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#endif
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#endif // old mingw32
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// this defines a CASTWNDPROC macro which casts a pointer to the type of a
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// window proc
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#if defined(STRICT) || defined(__GNUC__)
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typedef WNDPROC WndProcCast;
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#else
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typedef FARPROC WndProcCast;
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#endif
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#define CASTWNDPROC (WndProcCast)
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// ---------------------------------------------------------------------------
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// some stuff for old Windows versions (FIXME: what does it do here??)
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// ---------------------------------------------------------------------------
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#if !defined(APIENTRY) // NT defines APIENTRY, 3.x not
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#define APIENTRY FAR PASCAL
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#endif
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#ifdef __WIN32__
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#define _EXPORT
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#else
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#define _EXPORT _export
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#endif
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#ifndef __WIN32__
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typedef signed short int SHORT;
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#endif
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#if !defined(__WIN32__) // 3.x uses FARPROC for dialogs
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#ifndef STRICT
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#define DLGPROC FARPROC
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#endif
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#endif
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/*
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* Decide what window classes we're going to use
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* for this combination of CTl3D/FAFA settings
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*/
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#define STATIC_CLASS wxT("STATIC")
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#define STATIC_FLAGS (SS_LEFT|WS_CHILD|WS_VISIBLE)
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#define CHECK_CLASS wxT("BUTTON")
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#define CHECK_FLAGS (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
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#define CHECK_IS_FAFA FALSE
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#define RADIO_CLASS wxT("BUTTON")
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#define RADIO_FLAGS (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
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#define RADIO_SIZE 20
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#define RADIO_IS_FAFA FALSE
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#define PURE_WINDOWS
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#define GROUP_CLASS wxT("BUTTON")
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#define GROUP_FLAGS (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
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/*
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#define BITCHECK_FLAGS (FB_BITMAP|FC_BUTTONDRAW|FC_DEFAULT|WS_VISIBLE)
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#define BITRADIO_FLAGS (FC_BUTTONDRAW|FB_BITMAP|FC_RADIO|WS_CHILD|WS_VISIBLE)
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*/
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// ---------------------------------------------------------------------------
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// misc macros
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// ---------------------------------------------------------------------------
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#define MEANING_CHARACTER '0'
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#define DEFAULT_ITEM_WIDTH 100
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#define DEFAULT_ITEM_HEIGHT 80
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// Scale font to get edit control height
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//#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) (3*(cy)/2)
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#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) (cy+8)
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// Generic subclass proc, for panel item moving/sizing and intercept
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// EDIT control VK_RETURN messages
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extern LONG APIENTRY _EXPORT
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wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
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// ---------------------------------------------------------------------------
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// useful macros and functions
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// ---------------------------------------------------------------------------
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// a wrapper macro for ZeroMemory()
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#if defined(__WIN32__) && !defined(__WXMICROWIN__)
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#define wxZeroMemory(obj) ::ZeroMemory(&obj, sizeof(obj))
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#else
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#define wxZeroMemory(obj) memset((void*) & obj, 0, sizeof(obj))
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#endif
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// This one is a macro so that it can be tested with #ifdef, it will be
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// undefined if it cannot be implemented for a given compiler.
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// Vc++, bcc, dmc, ow, mingw akk have _get_osfhandle() and Cygwin has
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// get_osfhandle. Others are currently unknown, e.g. Salford, Intel, Visual
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// Age.
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#if defined(__WXWINCE__)
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#define wxGetOSFHandle(fd) ((HANDLE)fd)
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#define wxOpenOSFHandle(h, flags) ((int)wxPtrToUInt(h))
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#elif defined(__CYGWIN__)
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#define wxGetOSFHandle(fd) ((HANDLE)get_osfhandle(fd))
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#elif defined(__VISUALC__) \
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|| defined(__BORLANDC__) \
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|| defined(__DMC__) \
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|| defined(__WATCOMC__) \
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|| defined(__MINGW32__)
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#define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
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#define wxOpenOSFHandle(h, flags) (_open_osfhandle(wxPtrToUInt(h), flags))
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wxDECL_FOR_STRICT_MINGW32(FILE*, _fdopen, (int, const char*))
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#define wx_fdopen _fdopen
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#endif
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// close the handle in the class dtor
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class AutoHANDLE
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{
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public:
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wxEXPLICIT AutoHANDLE(HANDLE handle) : m_handle(handle) { }
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bool IsOk() const { return m_handle != INVALID_HANDLE_VALUE; }
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operator HANDLE() const { return m_handle; }
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~AutoHANDLE() { if ( IsOk() ) ::CloseHandle(m_handle); }
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protected:
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HANDLE m_handle;
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};
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// a template to make initializing Windows styructs less painful: it zeroes all
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// the struct fields and also sets cbSize member to the correct value (and so
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// can be only used with structures which have this member...)
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template <class T>
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struct WinStruct : public T
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{
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WinStruct()
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{
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::ZeroMemory(this, sizeof(T));
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// explicit qualification is required here for this to be valid C++
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this->cbSize = sizeof(T);
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}
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};
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// Macros for converting wxString to the type expected by API functions.
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//
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// Normally it is enough to just use wxString::t_str() which is implicitly
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// convertible to LPCTSTR, but in some cases an explicit conversion is required.
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//
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// In such cases wxMSW_CONV_LPCTSTR() should be used. But if an API function
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// takes a non-const pointer, wxMSW_CONV_LPTSTR() which casts away the
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// constness (but doesn't make it possible to really modify the returned
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// pointer, of course) should be used. And if a string is passed as LPARAM, use
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// wxMSW_CONV_LPARAM() which does the required ugly reinterpret_cast<> too.
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#define wxMSW_CONV_LPCTSTR(s) static_cast<const wxChar *>((s).t_str())
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#define wxMSW_CONV_LPTSTR(s) const_cast<wxChar *>(wxMSW_CONV_LPCTSTR(s))
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#define wxMSW_CONV_LPARAM(s) reinterpret_cast<LPARAM>(wxMSW_CONV_LPCTSTR(s))
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#if wxUSE_GUI
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#include "wx/gdicmn.h"
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#include "wx/colour.h"
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// make conversion from wxColour and COLORREF a bit less painful
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inline COLORREF wxColourToRGB(const wxColour& c)
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{
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return RGB(c.Red(), c.Green(), c.Blue());
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}
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inline COLORREF wxColourToPalRGB(const wxColour& c)
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{
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return PALETTERGB(c.Red(), c.Green(), c.Blue());
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}
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inline wxColour wxRGBToColour(COLORREF rgb)
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{
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return wxColour(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
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}
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inline void wxRGBToColour(wxColour& c, COLORREF rgb)
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{
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c.Set(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb));
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}
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// get the standard colour map for some standard colours - see comment in this
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// function to understand why is it needed and when should it be used
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//
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// it returns a wxCOLORMAP (can't use COLORMAP itself here as comctl32.dll
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// might be not included/available) array of size wxSTD_COLOUR_MAX
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//
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// NB: if you change these colours, update wxBITMAP_STD_COLOURS in the
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// resources as well: it must have the same number of pixels!
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enum wxSTD_COLOUR
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{
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wxSTD_COL_BTNTEXT,
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wxSTD_COL_BTNSHADOW,
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wxSTD_COL_BTNFACE,
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wxSTD_COL_BTNHIGHLIGHT,
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wxSTD_COL_MAX
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};
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struct WXDLLIMPEXP_CORE wxCOLORMAP
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{
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COLORREF from, to;
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};
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// this function is implemented in src/msw/window.cpp
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extern wxCOLORMAP *wxGetStdColourMap();
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// create a wxRect from Windows RECT
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inline wxRect wxRectFromRECT(const RECT& rc)
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{
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return wxRect(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
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}
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// copy Windows RECT to our wxRect
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inline void wxCopyRECTToRect(const RECT& rc, wxRect& rect)
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{
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rect = wxRectFromRECT(rc);
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}
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// and vice versa
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inline void wxCopyRectToRECT(const wxRect& rect, RECT& rc)
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{
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// note that we don't use wxRect::GetRight() as it is one of compared to
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// wxRectFromRECT() above
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rc.top = rect.y;
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rc.left = rect.x;
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rc.right = rect.x + rect.width;
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rc.bottom = rect.y + rect.height;
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}
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// translations between HIMETRIC units (which OLE likes) and pixels (which are
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// liked by all the others) - implemented in msw/utilsexc.cpp
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extern void HIMETRICToPixel(LONG *x, LONG *y);
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extern void HIMETRICToPixel(LONG *x, LONG *y, HDC hdcRef);
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extern void PixelToHIMETRIC(LONG *x, LONG *y);
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extern void PixelToHIMETRIC(LONG *x, LONG *y, HDC hdcRef);
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// Windows convention of the mask is opposed to the wxWidgets one, so we need
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// to invert the mask each time we pass one/get one to/from Windows
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extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0);
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// Creates an icon or cursor depending from a bitmap
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//
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// The bitmap must be valid and it should have a mask. If it doesn't, a default
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// mask is created using light grey as the transparent colour.
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extern HICON wxBitmapToHICON(const wxBitmap& bmp);
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// Same requirments as above apply and the bitmap must also have the correct
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// size.
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extern
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HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY);
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#if wxUSE_OWNER_DRAWN
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// Draw the bitmap in specified state (this is used by owner drawn controls)
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enum wxDSBStates
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{
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wxDSB_NORMAL = 0,
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wxDSB_SELECTED,
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wxDSB_DISABLED
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};
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extern
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BOOL wxDrawStateBitmap(HDC hDC, HBITMAP hBitmap, int x, int y, UINT uState);
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#endif // wxUSE_OWNER_DRAWN
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// get (x, y) from DWORD - notice that HI/LOWORD can *not* be used because they
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// will fail on system with multiple monitors where the coords may be negative
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//
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||
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// these macros are standard now (Win98) but some older headers don't have them
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#ifndef GET_X_LPARAM
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#define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
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#define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
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#endif // GET_X_LPARAM
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// get the current state of SHIFT/CTRL/ALT keys
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inline bool wxIsModifierDown(int vk)
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{
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// GetKeyState() returns different negative values on WinME and WinNT,
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// so simply test for negative value.
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return ::GetKeyState(vk) < 0;
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}
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||
|
|
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(wxT("GetWindowRect"));
|
||
|
|
}
|
||
|
|
|
||
|
|
return rect;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline RECT wxGetClientRect(HWND hwnd)
|
||
|
|
{
|
||
|
|
RECT rect;
|
||
|
|
|
||
|
|
if ( !::GetClientRect(hwnd, &rect) )
|
||
|
|
{
|
||
|
|
wxLogLastError(wxT("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() : m_hwnd(NULL), m_hdc(NULL) { }
|
||
|
|
WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); }
|
||
|
|
~WindowHDC() { if ( m_hwnd && m_hdc ) { ::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), m_hgdiobj(NULL) { }
|
||
|
|
SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) { DoInit(hgdiobj); }
|
||
|
|
|
||
|
|
void Init(HDC hdc, HGDIOBJ hgdiobj)
|
||
|
|
{
|
||
|
|
wxASSERT_MSG( !m_hdc, wxT("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, wxT("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()
|
||
|
|
: AutoGDIObject() { }
|
||
|
|
|
||
|
|
AutoHBITMAP(HBITMAP hbmp) : AutoGDIObject(hbmp) { }
|
||
|
|
|
||
|
|
void Init(HBITMAP hbmp) { InitGdiobj(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(wxT("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(wxT("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(wxT("GlobalAlloc"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
GlobalPtr(size_t size, unsigned flags = GMEM_MOVEABLE)
|
||
|
|
{
|
||
|
|
Init(size, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
~GlobalPtr()
|
||
|
|
{
|
||
|
|
if ( m_hGlobal && ::GlobalFree(m_hGlobal) )
|
||
|
|
{
|
||
|
|
wxLogLastError(wxT("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(wxT("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(wxT("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,
|
||
|
|
wxT("calling ClassRegistrar::Register() twice?") );
|
||
|
|
|
||
|
|
m_registered = ::RegisterClass(&wc) ? 1 : 0;
|
||
|
|
if ( !IsRegistered() )
|
||
|
|
{
|
||
|
|
wxLogLastError(wxT("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.t_str(), wxGetInstance()) )
|
||
|
|
{
|
||
|
|
wxLogLastError(wxT("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
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
// 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(wxT("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, 2003
|
||
|
|
// 0x0502 Windows XP SP2, 2003 SP1
|
||
|
|
// 0x0600 Windows Vista, 2008
|
||
|
|
// 0x0601 Windows 7
|
||
|
|
// 0x0602 Windows 8 (currently also returned for 8.1)
|
||
|
|
//
|
||
|
|
// 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 = 0x0501,
|
||
|
|
wxWinVersion_XP_SP2 = 0x0502,
|
||
|
|
wxWinVersion_2003_SP1 = 0x0502,
|
||
|
|
|
||
|
|
wxWinVersion_6 = 0x0600,
|
||
|
|
wxWinVersion_Vista = wxWinVersion_6,
|
||
|
|
wxWinVersion_NT6 = wxWinVersion_6,
|
||
|
|
|
||
|
|
wxWinVersion_7 = 0x601,
|
||
|
|
|
||
|
|
wxWinVersion_8 = 0x602
|
||
|
|
};
|
||
|
|
|
||
|
|
WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion();
|
||
|
|
|
||
|
|
#if wxUSE_GUI && defined(__WXMSW__)
|
||
|
|
|
||
|
|
// cursor stuff
|
||
|
|
extern HCURSOR wxGetCurrentBusyCursor(); // from msw/utils.cpp
|
||
|
|
extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
|
||
|
|
|
||
|
|
// GetCursorPos can fail without populating the POINT. This falls back to GetMessagePos.
|
||
|
|
WXDLLIMPEXP_CORE void wxGetCursorPosMSW(POINT* pt);
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
// 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 && __WXMSW__
|
||
|
|
|
||
|
|
#endif // _WX_PRIVATE_H_
|