X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8cb172b4f12fae80b06d5936108a1bc7f2521674..fb761cd53ccedec382b88e4f9c92dcae3fcdf1ea:/src/msw/evtloop.cpp

diff --git a/src/msw/evtloop.cpp b/src/msw/evtloop.cpp
index 73d459dac2..a36caa946d 100644
--- a/src/msw/evtloop.cpp
+++ b/src/msw/evtloop.cpp
@@ -6,7 +6,7 @@
 // Created:     01.06.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// License:     wxWindows license
+// License:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "evtloop.h"
 #endif
 
@@ -29,14 +29,23 @@
 #endif
 
 #ifndef WX_PRECOMP
+    #include "wx/window.h"
+    #include "wx/app.h"
 #endif //WX_PRECOMP
 
 #include "wx/evtloop.h"
-#include "wx/window.h"
-#include "wx/app.h"
+#include "wx/tooltip.h"
 
 #include "wx/msw/private.h"
 
+#if wxUSE_THREADS
+    // define the array of MSG strutures
+    WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
+    // VS: this is a bit dirty - it duplicates same declaration in app.cpp
+    //     (and there's no WX_DEFINE_OBJARRAY for that reason - it is already
+    //     defined in app.cpp).
+#endif
+
 // ----------------------------------------------------------------------------
 // wxEventLoopImpl
 // ----------------------------------------------------------------------------
@@ -87,13 +96,29 @@ void wxEventLoopImpl::ProcessMessage(MSG *msg)
 
 bool wxEventLoopImpl::PreProcessMessage(MSG *msg)
 {
-    HWND hWnd = msg->hwnd;
-    wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hWnd);
+    HWND hwnd = msg->hwnd;
+    wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
+
+    // this may happen if the event occured in a standard modeless dialog (the
+    // only example of which I know of is the find/replace dialog) - then call
+    // IsDialogMessage() to make TAB navigation in it work
+    if ( !wndThis )
+    {
+        // we need to find the dialog containing this control as
+        // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
+        // them) if we call it for the control itself
+        while ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+        {
+            hwnd = ::GetParent(hwnd);
+        }
+
+        return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
+    }
 
 #if wxUSE_TOOLTIPS
     // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
     // popup the tooltip bubbles
-    if ( wndThis && (msg->message == WM_MOUSEMOVE) )
+    if ( msg->message == WM_MOUSEMOVE )
     {
         wxToolTip *tt = wndThis->GetToolTip();
         if ( tt )
@@ -103,22 +128,39 @@ bool wxEventLoopImpl::PreProcessMessage(MSG *msg)
     }
 #endif // wxUSE_TOOLTIPS
 
-    // try translations first; find the youngest window with a translation
-    // table.
+    // allow the window to prevent certain messages from being
+    // translated/processed (this is currently used by wxTextCtrl to always
+    // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
+    if ( !wndThis->MSWShouldPreProcessMessage((WXMSG *)msg) )
+    {
+        return FALSE;
+    }
+
+    // try translations first: the accelerators override everything
     wxWindow *wnd;
+
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
-        if ( wnd->MSWTranslateMessage((WXMSG *)msg) )
+        if ( wnd->MSWTranslateMessage((WXMSG *)msg))
             return TRUE;
+
+        // stop at first top level window, i.e. don't try to process the key
+        // strokes originating in a dialog using the accelerators of the parent
+        // frame - this doesn't make much sense
+        if ( wnd->IsTopLevel() )
+            break;
     }
 
-    // Anyone for a non-translation message? Try youngest descendants first.
-    for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
+    // now try the other hooks (kbd navigation is handled here): we start from
+    // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
+    // called above
+    for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )
     {
         if ( wnd->MSWProcessMessage((WXMSG *)msg) )
             return TRUE;
     }
 
+    // no special preprocessing for this message, dispatch it normally
     return FALSE;
 }
 
@@ -128,15 +170,15 @@ bool wxEventLoopImpl::PreProcessMessage(MSG *msg)
 
 bool wxEventLoopImpl::SendIdleMessage()
 {
-    wxIdleEvent event;
-
-    return wxTheApp->ProcessEvent(event) && event.MoreRequested();
+    return wxTheApp->ProcessIdle();
 }
 
 // ============================================================================
 // wxEventLoop implementation
 // ============================================================================
 
+wxEventLoop *wxEventLoop::ms_activeLoop = NULL;
+
 // ----------------------------------------------------------------------------
 // wxEventLoop running and exiting
 // ----------------------------------------------------------------------------
@@ -157,6 +199,9 @@ int wxEventLoop::Run()
     wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
 
     m_impl = new wxEventLoopImpl;
+    
+    wxEventLoop *oldLoop = ms_activeLoop;
+    ms_activeLoop = this;
 
     for ( ;; )
     {
@@ -182,6 +227,8 @@ int wxEventLoop::Run()
     delete m_impl;
     m_impl = NULL;
 
+    ms_activeLoop = oldLoop;
+
     return exitcode;
 }
 
@@ -242,10 +289,9 @@ bool wxEventLoop::Dispatch()
 
         // leave out WM_COMMAND messages: too dangerous, sometimes
         // the message will be processed twice
-        if ( !wxIsWaitingForThread() ||
-                s_currentMsg.message != WM_COMMAND )
+        if ( !wxIsWaitingForThread() || msg.message != WM_COMMAND )
         {
-            s_aSavedMessages.Add(s_currentMsg);
+            s_aSavedMessages.Add(msg);
         }
 
         return TRUE;