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

diff --git a/src/msw/helpchm.cpp b/src/msw/helpchm.cpp
index 411d4959802352a79c3625379648f3613aee6532..4f6fedcfe60090f6f4a63188eb92ab5007eed4c9 100644 (file)
--- a/src/msw/helpchm.cpp
+++ b/src/msw/helpchm.cpp
@@ -2,7 +2,7 @@
 // Name:        src/msw/helpchm.cpp
 // Purpose:     Help system: MS HTML Help implementation
 // Author:      Julian Smart
 // Name:        src/msw/helpchm.cpp
 // Purpose:     Help system: MS HTML Help implementation
 // Author:      Julian Smart

-// Modified by:
+// Modified by: Vadim Zeitlin at 2008-03-01: refactoring, simplification

 // Created:     16/04/2000
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Created:     16/04/2000
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart


@@ -79,17 +79,6 @@ static HWND GetSuitableHWND(wxWindow *win)
     return win ? GetHwndOf(win) : ::GetDesktopWindow();
 }
 
     return win ? GetHwndOf(win) : ::GetDesktopWindow();
 }
 

-// wrap the real HtmlHelp() but just return false (and not crash) if it
-// couldn't be loaded
-//
-// it also takes a wxWindow instead of HWND
-static bool
-CallHtmlHelpFunction(wxWindow *win, const wxChar *str, UINT uint, DWORD dword)
-{
-    HTMLHELP htmlHelp = GetHtmlHelpFunction();
-
-    return htmlHelp && htmlHelp(GetSuitableHWND(win), str, uint, dword);
-}

 
 IMPLEMENT_DYNAMIC_CLASS(wxCHMHelpController, wxHelpControllerBase)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxCHMHelpController, wxHelpControllerBase)
 


@@ -109,14 +98,23 @@ bool wxCHMHelpController::LoadFile(const wxString& file)
     return true;
 }
 
     return true;
 }
 

+/* static */ bool
+wxCHMHelpController::CallHtmlHelp(wxWindow *win,
+                                  const wxChar *str,
+                                  unsigned cmd,
+                                  WXWPARAM param)
+{
+    HTMLHELP htmlHelp = GetHtmlHelpFunction();
+
+    return htmlHelp && htmlHelp(GetSuitableHWND(win), str, cmd, param);
+}
+

 bool wxCHMHelpController::DisplayContents()
 {
     if (m_helpFile.IsEmpty())
         return false;
 
 bool wxCHMHelpController::DisplayContents()
 {
     if (m_helpFile.IsEmpty())
         return false;
 

-    wxString str = GetValidFilename(m_helpFile);
-
-    return CallHtmlHelpFunction(GetParentWindow(), str, HH_DISPLAY_TOPIC, 0L);
+    return CallHtmlHelp(HH_DISPLAY_TOPIC);

 }
 
 // Use topic or HTML filename
 }
 
 // Use topic or HTML filename


@@ -125,14 +123,11 @@ bool wxCHMHelpController::DisplaySection(const wxString& section)
     if (m_helpFile.IsEmpty())
         return false;
 
     if (m_helpFile.IsEmpty())
         return false;
 

-    wxString str = GetValidFilename(m_helpFile);
-

     // Is this an HTML file or a keyword?
     if ( section.Find(wxT(".htm")) != wxNOT_FOUND )
     {
         // interpret as a file name
     // Is this an HTML file or a keyword?
     if ( section.Find(wxT(".htm")) != wxNOT_FOUND )
     {
         // interpret as a file name

-        return CallHtmlHelpFunction(GetParentWindow(), str, HH_DISPLAY_TOPIC,
-                                    wxPtrToUInt(section.c_str()));
+        return CallHtmlHelp(HH_DISPLAY_TOPIC, section.wx_str());

     }
 
     return KeywordSearch(section);
     }
 
     return KeywordSearch(section);


@@ -144,35 +139,38 @@ bool wxCHMHelpController::DisplaySection(int section)
     if (m_helpFile.IsEmpty())
         return false;
 
     if (m_helpFile.IsEmpty())
         return false;
 

-    wxString str = GetValidFilename(m_helpFile);
-
-    return CallHtmlHelpFunction(GetParentWindow(), str, HH_HELP_CONTEXT,
-                                (DWORD)section);
+    return CallHtmlHelp(HH_HELP_CONTEXT, section);

 }
 
 }
 

-bool wxCHMHelpController::DisplayContextPopup(int contextId)
+/* static */
+bool
+wxCHMHelpController::DoDisplayTextPopup(const wxChar *text,
+                                        const wxPoint& pos,
+                                        int contextId,
+                                        wxWindow *window)

 {
 {

-    if (m_helpFile.IsEmpty()) return false;
-
-    wxString str = GetValidFilename(m_helpFile);
-
-    // We also have to specify the popups file (default is cshelp.txt).
-    // str += wxT("::/cshelp.txt");
-

     HH_POPUP popup;
     popup.cbStruct = sizeof(popup);
     popup.hinst = (HINSTANCE) wxGetInstance();
     HH_POPUP popup;
     popup.cbStruct = sizeof(popup);
     popup.hinst = (HINSTANCE) wxGetInstance();

-    popup.idString = contextId ;
-
-    GetCursorPos(& popup.pt);
-    popup.clrForeground = (COLORREF)-1;
+    popup.idString = contextId;
+    popup.pszText = text;
+    popup.pt.x = pos.x;
+    popup.pt.y = pos.y;
+    popup.clrForeground =

     popup.clrBackground = (COLORREF)-1;
     popup.clrBackground = (COLORREF)-1;

-    popup.rcMargins.top = popup.rcMargins.left = popup.rcMargins.right = popup.rcMargins.bottom = -1;
+    popup.rcMargins.top =
+    popup.rcMargins.left =
+    popup.rcMargins.right =
+    popup.rcMargins.bottom = -1;

     popup.pszFont = NULL;
     popup.pszFont = NULL;

-    popup.pszText = NULL;

 
 

-    return CallHtmlHelpFunction(GetParentWindow(), str, HH_DISPLAY_TEXT_POPUP,
-                                wxPtrToUInt(&popup));
+    return CallHtmlHelp(window, NULL, HH_DISPLAY_TEXT_POPUP, &popup);
+}
+
+bool wxCHMHelpController::DisplayContextPopup(int contextId)
+{
+    return DoDisplayTextPopup(NULL, wxGetMousePosition(), contextId,
+                              GetParentWindow());

 }
 
 bool
 }
 
 bool


@@ -186,19 +184,7 @@ bool wxCHMHelpController::ShowContextHelpPopup(const wxString& text,
                                                const wxPoint& pos,
                                                wxWindow *window)
 {
                                                const wxPoint& pos,
                                                wxWindow *window)
 {

-    HH_POPUP popup;
-    popup.cbStruct = sizeof(popup);
-    popup.hinst = (HINSTANCE) wxGetInstance();
-    popup.idString = 0 ;
-    popup.pt.x = pos.x; popup.pt.y = pos.y;
-    popup.clrForeground = (COLORREF)-1;
-    popup.clrBackground = (COLORREF)-1;
-    popup.rcMargins.top = popup.rcMargins.left = popup.rcMargins.right = popup.rcMargins.bottom = -1;
-    popup.pszFont = NULL;
-    popup.pszText = (const wxChar*) text;
-
-    return CallHtmlHelpFunction(window, NULL, HH_DISPLAY_TEXT_POPUP,
-                                wxPtrToUInt(&popup));
+    return DoDisplayTextPopup(text.wx_str(), pos, 0, window);

 }
 
 bool wxCHMHelpController::DisplayBlock(long block)
 }
 
 bool wxCHMHelpController::DisplayBlock(long block)


@@ -212,32 +198,28 @@ bool wxCHMHelpController::KeywordSearch(const wxString& k,
     if (m_helpFile.IsEmpty())
         return false;
 
     if (m_helpFile.IsEmpty())
         return false;
 

-    wxString str = GetValidFilename(m_helpFile);
-

     HH_AKLINK link;
     HH_AKLINK link;

-    link.cbStruct =     sizeof(HH_AKLINK) ;
-    link.fReserved =    FALSE ;
-    link.pszKeywords =  k.c_str() ;
-    link.pszUrl =       NULL ;
-    link.pszMsgText =   NULL ;
-    link.pszMsgTitle =  NULL ;
-    link.pszWindow =    NULL ;
-    link.fIndexOnFail = TRUE ;
-
-    return CallHtmlHelpFunction(GetParentWindow(), str, HH_KEYWORD_LOOKUP,
-                                wxPtrToUInt(&link));
+    link.cbStruct =     sizeof(HH_AKLINK);
+    link.fReserved =    FALSE;
+    link.pszKeywords =  k.wx_str();
+    link.pszUrl =       NULL;
+    link.pszMsgText =   NULL;
+    link.pszMsgTitle =  NULL;
+    link.pszWindow =    NULL;
+    link.fIndexOnFail = TRUE;
+
+    return CallHtmlHelp(HH_KEYWORD_LOOKUP, &link);

 }
 
 bool wxCHMHelpController::Quit()
 {
 }
 
 bool wxCHMHelpController::Quit()
 {

-    return CallHtmlHelpFunction(GetParentWindow(), NULL, HH_CLOSE_ALL, 0L);
+    return CallHtmlHelp(NULL, HH_CLOSE_ALL);

 }
 
 }
 

-// Append extension if necessary.
-wxString wxCHMHelpController::GetValidFilename(const wxString& file) const
+wxString wxCHMHelpController::GetValidFilename() const

 {
     wxString path, name, ext;
 {
     wxString path, name, ext;

-    wxSplitPath(file, & path, & name, & ext);
+    wxSplitPath(m_helpFile, &path, &name, &ext);

 
     wxString fullName;
     if (path.IsEmpty())
 
     wxString fullName;
     if (path.IsEmpty())