X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/42d54220ee7a57a075871901134db84139ad9ebf..74a8f67d96591cec101def2a7d47c64072aff7fd:/src/msw/utilsgui.cpp?ds=sidebyside diff --git a/src/msw/utilsgui.cpp b/src/msw/utilsgui.cpp index 70887df327..6eb4e85148 100644 --- a/src/msw/utilsgui.cpp +++ b/src/msw/utilsgui.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/utilsgui.cpp +// Name: src/msw/utilsgui.cpp // Purpose: Various utility functions only available in GUI // Author: Vadim Zeitlin // Modified by: // Created: 21.06.2003 (extracted from msw/utils.cpp) // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// License: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -30,118 +30,17 @@ #include "wx/utils.h" #endif //WX_PRECOMP +#include "wx/dynlib.h" + #include "wx/msw/private.h" // includes +#include "wx/msw/registry.h" +#include // needed for SHELLEXECUTEINFO + // ============================================================================ // implementation // ============================================================================ -// ---------------------------------------------------------------------------- -// functions to work with .INI files -// ---------------------------------------------------------------------------- - -// Reading and writing resources (eg WIN.INI, .Xdefaults) -#if wxUSE_RESOURCES -bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file) -{ - if (file != wxT("")) -// Don't know what the correct cast should be, but it doesn't -// compile in BC++/16-bit without this cast. -#if !defined(__WIN32__) - return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0); -#else - return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0); -#endif - else - return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0); -} - -bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%.4f"), value); - - return wxWriteResource(section, entry, buf, file); -} - -bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%ld"), value); - - return wxWriteResource(section, entry, buf, file); -} - -bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%d"), value); - - return wxWriteResource(section, entry, buf, file); -} - -bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file) -{ - static const wxChar defunkt[] = wxT("$$default"); - if (file != wxT("")) - { - int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt, - (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file); - if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0) - return FALSE; - } - else - { - int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt, - (LPTSTR)wxBuffer, 1000); - if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0) - return FALSE; - } - if (*value) delete[] (*value); - *value = copystring(wxBuffer); - return TRUE; -} - -bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file) -{ - wxChar *s = NULL; - bool succ = wxGetResource(section, entry, (wxChar **)&s, file); - if (succ) - { - *value = (float)wxStrtod(s, NULL); - delete[] s; - return TRUE; - } - else return FALSE; -} - -bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file) -{ - wxChar *s = NULL; - bool succ = wxGetResource(section, entry, (wxChar **)&s, file); - if (succ) - { - *value = wxStrtol(s, NULL, 10); - delete[] s; - return TRUE; - } - else return FALSE; -} - -bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file) -{ - wxChar *s = NULL; - bool succ = wxGetResource(section, entry, (wxChar **)&s, file); - if (succ) - { - *value = (int)wxStrtol(s, NULL, 10); - delete[] s; - return TRUE; - } - else return FALSE; -} -#endif // wxUSE_RESOURCES - // --------------------------------------------------------------------------- // helper functions for showing a "busy" cursor // --------------------------------------------------------------------------- @@ -156,7 +55,7 @@ extern HCURSOR wxGetCurrentBusyCursor() } // Set the cursor to the busy cursor for all windows -void wxBeginBusyCursor(wxCursor *cursor) +void wxBeginBusyCursor(const wxCursor *cursor) { if ( gs_wxBusyCursorCount++ == 0 ) { @@ -183,7 +82,7 @@ void wxEndBusyCursor() } } -// TRUE if we're between the above two calls +// true if we're between the above two calls bool wxIsBusy() { return gs_wxBusyCursorCount > 0; @@ -193,7 +92,7 @@ bool wxIsBusy() // in long calculations. bool wxCheckForInterrupt(wxWindow *wnd) { - wxCHECK( wnd, FALSE ); + wxCHECK( wnd, false ); MSG msg; while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) ) @@ -202,48 +101,9 @@ bool wxCheckForInterrupt(wxWindow *wnd) ::DispatchMessage(&msg); } - return TRUE; + return true; } -// MSW only: get user-defined resource from the .res file. -// Returns NULL or newly-allocated memory, so use delete[] to clean up. - -#ifndef __WXMICROWIN__ -wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType) -{ - HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType); - if ( hResource == 0 ) - return NULL; - - HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource); - if ( hData == 0 ) - return NULL; - - wxChar *theText = (wxChar *)::LockResource(hData); - if ( !theText ) - return NULL; - - // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't). - // so we need to find the length of the resource. - int len = ::SizeofResource(wxGetInstance(), hResource); - wxChar *s = new wxChar[len+1]; - wxStrncpy(s,theText,len); - s[len]=0; - - // wxChar *s = copystring(theText); - - // Obsolete in WIN32 -#ifndef __WIN32__ - UnlockResource(hData); -#endif - - // No need?? - // GlobalFree(hData); - - return s; -} -#endif // __WXMICROWIN__ - // ---------------------------------------------------------------------------- // get display info // ---------------------------------------------------------------------------- @@ -256,17 +116,17 @@ void wxGetMousePosition( int* x, int* y ) GetCursorPos( & pt ); if ( x ) *x = pt.x; if ( y ) *y = pt.y; -}; +} -// Return TRUE if we have a colour display +// Return true if we have a colour display bool wxColourDisplay() { #ifdef __WXMICROWIN__ // MICROWIN_TODO - return TRUE; + return true; #else // this function is called from wxDC ctor so it is called a *lot* of times - // hence we optimize it a bit but doign the check only once + // hence we optimize it a bit but doing the check only once // // this should be MT safe as only the GUI thread (holding the GUI mutex) // can call us @@ -333,7 +193,7 @@ void wxDisplaySizeMM(int *width, int *height) void wxClientDisplayRect(int *x, int *y, int *width, int *height) { -#if defined(__WIN16__) || defined(__WXMICROWIN__) +#if defined(__WXMICROWIN__) *x = 0; *y = 0; wxDisplaySize(width, height); #else @@ -360,8 +220,7 @@ wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd) if ( hWnd ) { int len = GetWindowTextLength((HWND)hWnd) + 1; - ::GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len); - str.UngetWriteBuf(); + ::GetWindowText((HWND)hWnd, wxStringBuffer(str, len), len); } return str; @@ -379,9 +238,8 @@ wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd) for ( ;; ) { - int count = ::GetClassName((HWND)hWnd, str.GetWriteBuf(len), len); + int count = ::GetClassName((HWND)hWnd, wxStringBuffer(str, len), len); - str.UngetWriteBuf(); if ( count == len ) { // the class name might have been truncated, retry with larger @@ -399,23 +257,17 @@ wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd) return str; } -WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd) +int WXDLLEXPORT wxGetWindowId(WXHWND hWnd) { -#ifndef __WIN32__ - return (WXWORD)GetWindowWord((HWND)hWnd, GWW_ID); -#else // Win32 - return (WXWORD)GetWindowLong((HWND)hWnd, GWL_ID); -#endif // Win16/32 + return ::GetWindowLong((HWND)hWnd, GWL_ID); } // ---------------------------------------------------------------------------- // Metafile helpers // ---------------------------------------------------------------------------- -extern void PixelToHIMETRIC(LONG *x, LONG *y) +void PixelToHIMETRIC(LONG *x, LONG *y, HDC hdcRef) { - ScreenHDC hdcRef; - int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE), iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE), iWidthPels = GetDeviceCaps(hdcRef, HORZRES), @@ -427,10 +279,8 @@ extern void PixelToHIMETRIC(LONG *x, LONG *y) *y /= iHeightPels; } -extern void HIMETRICToPixel(LONG *x, LONG *y) +void HIMETRICToPixel(LONG *x, LONG *y, HDC hdcRef) { - ScreenHDC hdcRef; - int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE), iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE), iWidthPels = GetDeviceCaps(hdcRef, HORZRES), @@ -442,4 +292,188 @@ extern void HIMETRICToPixel(LONG *x, LONG *y) *y /= (iHeightMM * 100); } +void HIMETRICToPixel(LONG *x, LONG *y) +{ + HIMETRICToPixel(x, y, ScreenHDC()); +} +void PixelToHIMETRIC(LONG *x, LONG *y) +{ + PixelToHIMETRIC(x, y, ScreenHDC()); +} + +void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2) +{ +#ifdef __WXWINCE__ + POINT points[2]; + points[0].x = x1; + points[0].y = y1; + points[1].x = x2; + points[1].y = y2; + Polyline(hdc, points, 2); +#else + MoveToEx(hdc, x1, y1, NULL); LineTo((HDC) hdc, x2, y2); +#endif +} + + +// ---------------------------------------------------------------------------- +// Shell API wrappers +// ---------------------------------------------------------------------------- + +extern bool wxEnableFileNameAutoComplete(HWND hwnd) +{ +#if wxUSE_DYNLIB_CLASS + typedef HRESULT (WINAPI *SHAutoComplete_t)(HWND, DWORD); + + static SHAutoComplete_t s_pfnSHAutoComplete = NULL; + static bool s_initialized = false; + + if ( !s_initialized ) + { + s_initialized = true; + + wxLogNull nolog; + wxDynamicLibrary dll(wxT("shlwapi.dll")); + if ( dll.IsLoaded() ) + { + s_pfnSHAutoComplete = + (SHAutoComplete_t)dll.GetSymbol(wxT("SHAutoComplete")); + if ( s_pfnSHAutoComplete ) + { + // won't be unloaded until the process termination, no big deal + dll.Detach(); + } + } + } + + if ( !s_pfnSHAutoComplete ) + return false; + + HRESULT hr = s_pfnSHAutoComplete(hwnd, 0x10 /* SHACF_FILESYS_ONLY */); + if ( FAILED(hr) ) + { + wxLogApiError(wxT("SHAutoComplete"), hr); + return false; + } + + return true; +#else + wxUnusedVar(hwnd); + return false; +#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS +} + +// ---------------------------------------------------------------------------- +// Launch document with default app +// ---------------------------------------------------------------------------- + +bool wxLaunchDefaultApplication(const wxString& document, int flags) +{ + wxUnusedVar(flags); + + WinStruct sei; + sei.lpFile = document.wx_str(); +#ifdef __WXWINCE__ + sei.nShow = SW_SHOWNORMAL; // SW_SHOWDEFAULT not defined under CE (#10216) +#else + sei.nShow = SW_SHOWDEFAULT; +#endif + + // avoid Windows message box in case of error for consistency with + // wxLaunchDefaultBrowser() even if don't show the error ourselves in this + // function + sei.fMask = SEE_MASK_FLAG_NO_UI; + + if ( ::ShellExecuteEx(&sei) ) + return true; + + return false; +} + +// ---------------------------------------------------------------------------- +// Launch default browser +// ---------------------------------------------------------------------------- + +bool wxDoLaunchDefaultBrowser(const wxString& url, const wxString& scheme, int flags) +{ + wxUnusedVar(flags); + +#if wxUSE_IPC + if ( flags & wxBROWSER_NEW_WINDOW ) + { + // ShellExecuteEx() opens the URL in an existing window by default so + // we can't use it if we need a new window + wxRegKey key(wxRegKey::HKCR, scheme + wxT("\\shell\\open")); + if ( !key.Exists() ) + { + // try the default browser, it must be registered at least for http URLs + key.SetName(wxRegKey::HKCR, wxT("http\\shell\\open")); + } + + if ( key.Exists() ) + { + wxRegKey keyDDE(key, wxT("DDEExec")); + if ( keyDDE.Exists() ) + { + // we only know the syntax of WWW_OpenURL DDE request for IE, + // optimistically assume that all other browsers are compatible + // with it + static const wxChar *TOPIC_OPEN_URL = wxT("WWW_OpenURL"); + wxString ddeCmd; + wxRegKey keyTopic(keyDDE, wxT("topic")); + bool ok = keyTopic.Exists() && + keyTopic.QueryDefaultValue() == TOPIC_OPEN_URL; + if ( ok ) + { + ddeCmd = keyDDE.QueryDefaultValue(); + ok = !ddeCmd.empty(); + } + + if ( ok ) + { + // for WWW_OpenURL, the index of the window to open the URL + // in is -1 (meaning "current") by default, replace it with + // 0 which means "new" (see KB article 160957) + ok = ddeCmd.Replace(wxT("-1"), wxT("0"), + false /* only first occurrence */) == 1; + } + + if ( ok ) + { + // and also replace the parameters: the topic should + // contain a placeholder for the URL + ok = ddeCmd.Replace(wxT("%1"), url, false) == 1; + } + + if ( ok ) + { + // try to send it the DDE request now but ignore the errors + wxLogNull noLog; + + const wxString ddeServer = wxRegKey(keyDDE, wxT("application")); + if ( wxExecuteDDE(ddeServer, TOPIC_OPEN_URL, ddeCmd) ) + return true; + + // this is not necessarily an error: maybe browser is + // simply not running, but no matter, in any case we're + // going to launch it using ShellExecuteEx() below now and + // we shouldn't try to open a new window if we open a new + // browser anyhow + } + } + } + } +#endif // wxUSE_IPC + + WinStruct sei; + sei.lpFile = url.c_str(); + sei.lpVerb = wxT("open"); + sei.nShow = SW_SHOWNORMAL; + sei.fMask = SEE_MASK_FLAG_NO_UI; // we give error message ourselves + + if ( ::ShellExecuteEx(&sei) ) + return true; + + return false; +}