Initial work on virtual file system support for the WebKitGTK+ backend. It now suppor...

[wxWidgets.git] / src / msw / utilsgui.cpp

diff --git a/src/msw/utilsgui.cpp b/src/msw/utilsgui.cpp
index d1acea6ad5e2d32c31e485edd7d6bc7534810e4d..6eb4e851487fca547a5547789458c4d170fb4790 100644 (file)
--- 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
 // 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 licence
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -33,118 +33,14 @@
 #include "wx/dynlib.h"
 
 #include "wx/msw/private.h"     // includes <windows.h>
 #include "wx/dynlib.h"
 
 #include "wx/msw/private.h"     // includes <windows.h>

+#include "wx/msw/registry.h"
+#include <shellapi.h> // needed for SHELLEXECUTEINFO
+

 
 // ============================================================================
 // implementation
 // ============================================================================
 
 
 // ============================================================================
 // 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 != wxEmptyString)
-// 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");
-
-    wxChar buf[1024];
-    if (file != wxEmptyString)
-    {
-        int n = GetPrivateProfileString(section, entry, defunkt,
-                                        buf, WXSIZEOF(buf), file);
-        if (n == 0 || wxStrcmp(buf, defunkt) == 0)
-            return false;
-    }
-    else
-    {
-        int n = GetProfileString(section, entry, defunkt, buf, WXSIZEOF(buf));
-        if (n == 0 || wxStrcmp(buf, defunkt) == 0)
-            return false;
-    }
-    if (*value) delete[] (*value);
-    *value = wxStrcpy(new wxChar[wxStrlen(buf) + 1], buf);
-    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
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // helper functions for showing a "busy" cursor
 // ---------------------------------------------------------------------------


@@ -208,45 +104,6 @@ bool wxCheckForInterrupt(wxWindow *wnd)
     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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // get display info
 // ----------------------------------------------------------------------------


@@ -400,19 +257,17 @@ wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
     return str;
 }
 
     return str;
 }
 

-WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
+int WXDLLEXPORT wxGetWindowId(WXHWND hWnd)

 {
 {

-    return (WXWORD)GetWindowLong((HWND)hWnd, GWL_ID);
+    return ::GetWindowLong((HWND)hWnd, GWL_ID);

 }
 
 // ----------------------------------------------------------------------------
 // Metafile helpers
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // 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),
     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),


@@ -424,10 +279,8 @@ extern void PixelToHIMETRIC(LONG *x, LONG *y)
     *y /= iHeightPels;
 }
 
     *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),
     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),


@@ -439,6 +292,16 @@ extern void HIMETRICToPixel(LONG *x, LONG *y)
     *y /= (iHeightMM * 100);
 }
 
     *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__
 void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2)
 {
 #ifdef __WXWINCE__


@@ -471,11 +334,11 @@ extern bool wxEnableFileNameAutoComplete(HWND hwnd)
         s_initialized = true;
 
         wxLogNull nolog;
         s_initialized = true;
 
         wxLogNull nolog;

-        wxDynamicLibrary dll(_T("shlwapi.dll"));
+        wxDynamicLibrary dll(wxT("shlwapi.dll"));

         if ( dll.IsLoaded() )
         {
             s_pfnSHAutoComplete =
         if ( dll.IsLoaded() )
         {
             s_pfnSHAutoComplete =

-                (SHAutoComplete_t)dll.GetSymbol(_T("SHAutoComplete"));
+                (SHAutoComplete_t)dll.GetSymbol(wxT("SHAutoComplete"));

             if ( s_pfnSHAutoComplete )
             {
                 // won't be unloaded until the process termination, no big deal
             if ( s_pfnSHAutoComplete )
             {
                 // won't be unloaded until the process termination, no big deal


@@ -490,7 +353,7 @@ extern bool wxEnableFileNameAutoComplete(HWND hwnd)
     HRESULT hr = s_pfnSHAutoComplete(hwnd, 0x10 /* SHACF_FILESYS_ONLY */);
     if ( FAILED(hr) )
     {
     HRESULT hr = s_pfnSHAutoComplete(hwnd, 0x10 /* SHACF_FILESYS_ONLY */);
     if ( FAILED(hr) )
     {

-        wxLogApiError(_T("SHAutoComplete"), hr);
+        wxLogApiError(wxT("SHAutoComplete"), hr);

         return false;
     }
 
         return false;
     }
 


@@ -501,3 +364,116 @@ extern bool wxEnableFileNameAutoComplete(HWND hwnd)
 #endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
 }
 
 #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;
+}