///////////////////////////////////////////////////////////////////////////////
-// 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
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
#ifndef WX_PRECOMP
#include "wx/cursor.h"
+ #include "wx/window.h"
#include "wx/utils.h"
#endif //WX_PRECOMP
+#include "wx/dynlib.h"
+
#include "wx/msw/private.h" // includes <windows.h>
+#include "wx/msw/registry.h"
+#include <shellapi.h> // 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
// ---------------------------------------------------------------------------
}
// Set the cursor to the busy cursor for all windows
-void wxBeginBusyCursor(wxCursor *cursor)
+void wxBeginBusyCursor(const wxCursor *cursor)
{
if ( gs_wxBusyCursorCount++ == 0 )
{
}
}
-// TRUE if we're between the above two calls
+// true if we're between the above two calls
bool wxIsBusy()
{
return gs_wxBusyCursorCount > 0;
// in long calculations.
bool wxCheckForInterrupt(wxWindow *wnd)
{
- wxCHECK( wnd, FALSE );
+ wxCHECK( wnd, false );
MSG msg;
while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) )
::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
// ----------------------------------------------------------------------------
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
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
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;
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
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),
*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),
*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<SHELLEXECUTEINFO> 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<SHELLEXECUTEINFO> 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;
+}
projects / wxWidgets.git / blobdiff