implemented fallback for AlphaBlend() for the systems not supporting it

[wxWidgets.git] / src / common / helpbase.cpp

diff --git a/src/common/helpbase.cpp b/src/common/helpbase.cpp
index 2a1b47943c5e28a2d82c43e3a16dc170c097f95b..8ed3dff2f3d6bb057d770cb8fc03fec0252c7d65 100644 (file)
--- a/src/common/helpbase.cpp
+++ b/src/common/helpbase.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -24,198 +24,10 @@
 #include "wx/defs.h"
 #endif
 
-#include "wx/helpbase.h"
-
-#ifdef __WXMSW__
-#include "wx/msw/private.h"
-#endif
-
 #if wxUSE_HELP
 
-IMPLEMENT_CLASS(wxHelpControllerBase, wxObject)
-
-/*
- * Invokes context-sensitive help
- */
-
-IMPLEMENT_DYNAMIC_CLASS(wxContextHelp, wxObject)
-
-wxContextHelp::wxContextHelp(wxWindow* win, bool beginHelp)
-{
-    m_inHelp = FALSE;
-
-    if (beginHelp)
-        BeginContextHelp(win);
-}
-
-wxContextHelp::~wxContextHelp()
-{
-    if (m_inHelp)
-        EndContextHelp();
-}
-
-bool wxContextHelp::BeginContextHelp(wxWindow* win)
-{
-    if (!win)
-        win = wxTheApp->GetTopWindow();
-    if (!win)
-        return FALSE;
-
-    wxCursor cursor(wxCURSOR_QUESTION_ARROW);
-    wxSetCursor(cursor);
-
-    win->CaptureMouse();
-
-    EventLoop(cursor, win);
-
-    win->ReleaseMouse();
-
-    return TRUE;
-}
-
-bool wxContextHelp::EndContextHelp()
-{
-    m_inHelp = FALSE;
-
-    return TRUE;
-}
-
-bool wxContextHelp::EventLoop(const wxCursor& cursor, wxWindow* win)
-{
-#ifdef __WXMSW__
-    m_inHelp = TRUE;
-    while ( m_inHelp )
-    {
-        MSG msg;
-        if (::PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))
-        {
-            if (!ProcessHelpMessage((WXMSG*) & msg, cursor, win))
-            {
-                m_inHelp = FALSE;
-            }
-        }
-        else
-        {
-            wxTheApp->ProcessIdle();
-        }
-    }
-    return TRUE;
-#else
-    return FALSE;
-#endif
-}
-
-#ifdef __WXMSW__
-bool wxContextHelp::ProcessHelpMessage(WXMSG* wxmsg, const wxCursor& cursor, wxWindow* winInQuestion)
-{
-    MSG& msg = * (MSG*) wxmsg;
-
-    if (msg.message == WM_KEYDOWN || msg.wParam == VK_ESCAPE)
-    {
-        PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE);
-        return FALSE;
-    }
-
-    if (msg.message == WM_CAPTURECHANGED)
-    {
-        PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE);
-        return FALSE;
-    }
-
-    if (msg.message == WM_ACTIVATE)
-    {
-        PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE);
-        return FALSE;
-    }
-
-       if ((msg.message >= WM_MOUSEFIRST && msg.message <= WM_MOUSELAST))
-//        || (msg.message >= WM_NCMOUSEFIRST && msg.message <= WM_NCMOUSELAST))
-       {
-        wxSetCursor(cursor);
-
-        HWND hWndHit = ::WindowFromPoint(msg.pt);
-
-        wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
-        HWND hWnd = hWndHit;
-
-        // Try to find a window with a wxWindow associated with it
-        while (!win && (hWnd != 0))
-        {
-            hWnd = ::GetParent(hWnd);
-            win = wxFindWinFromHandle((WXHWND) hWnd) ;
-        }
-
-        if (win)
-        {
-            // It's a wxWindows window
-                       if (msg.message != WM_LBUTTONDOWN)
-                       {
-                               // Hit one of our owned windows -- eat the message.
-                               PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE);
-                               return TRUE;
-            }
-                       int iHit = (int)::SendMessage(hWndHit, WM_NCHITTEST, 0,
-                               MAKELONG(msg.pt.x, msg.pt.y));
-                       if (iHit == HTMENU || iHit == HTSYSMENU)
-                       {
-                // Eat this message, send the event and return
-                               PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE);
-                DispatchEvent(win, wxPoint(msg.pt.x, msg.pt.y));
-                return FALSE;
-                       }
-                       else if (iHit == HTCLIENT)
-                       {
-                               PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE);
-                DispatchEvent(win, wxPoint(msg.pt.x, msg.pt.y));
-                               return FALSE;
-                       }
-                       else
-                       {
-                               PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE);
-                               return FALSE;
-                       }
-        }
-        else
-        {
-            // Someone else's message
-                   if (PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE))
-            {
-                ::TranslateMessage(&msg);
-                ::DispatchMessage(&msg);
-            }
-            return TRUE;
-        }
-    }
-    else
-    {
-        // allow all other messages to go through (capture still set)
-        if (PeekMessage(&msg, NULL, msg.message, msg.message, PM_REMOVE))
-            DispatchMessage(&msg);
-        return TRUE;
-
-    }
-    return TRUE;
-}
-#endif
-
-// Dispatch the help event to the relevant window
-bool wxContextHelp::DispatchEvent(wxWindow* win, const wxPoint& pt)
-{
-    wxWindow* subjectOfHelp = win;
-    bool eventProcessed = FALSE;
-    while (subjectOfHelp && !eventProcessed)
-    {
-        wxHelpEvent helpEvent(wxEVT_HELP, subjectOfHelp->GetId(), pt) ;
-        helpEvent.SetEventObject(this);
-        eventProcessed = win->GetEventHandler()->ProcessEvent(helpEvent);
-        
-        // Go up the window hierarchy until the event is handled (or not).
-        // I.e. keep submitting ancestor windows until one is recognised
-        // by the app code that processes the ids and displays help.
-        subjectOfHelp = subjectOfHelp->GetParent();
-    }
-    return eventProcessed;
-}
+#include "wx/helpbase.h"
 
+IMPLEMENT_CLASS(wxHelpControllerBase, wxObject)
 
 #endif // wxUSE_HELP