wxAUI: maintain minimum size of panes across dock/undock.

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

diff --git a/src/msw/evtloop.cpp b/src/msw/evtloop.cpp
index 27877fa3f2fc3b17e7622dcdda256044673a8814..37b2eba9a4ce179ddbcd9985c85c7ec229383cd2 100644 (file)
--- a/src/msw/evtloop.cpp
+++ b/src/msw/evtloop.cpp
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "evtloop.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -49,42 +45,14 @@
 
     #include "wx/listimpl.cpp"
 
 
     #include "wx/listimpl.cpp"
 

-    WX_DEFINE_LIST(wxMsgList);
+    WX_DEFINE_LIST(wxMsgList)

 #endif // wxUSE_THREADS
 
 #endif // wxUSE_THREADS
 

-// ----------------------------------------------------------------------------
-// helper class
-// ----------------------------------------------------------------------------
-
-// this object sets the wxEventLoop given to the ctor as the currently active
-// one and unsets it in its dtor
-class wxEventLoopActivator
-{
-public:
-    wxEventLoopActivator(wxEventLoop **pActive,
-                         wxEventLoop *evtLoop)
-    {
-        m_pActive = pActive;
-        m_evtLoopOld = *pActive;
-        *pActive = evtLoop;
-    }
-
-    ~wxEventLoopActivator()
-    {
-        // restore the previously active event loop
-        *m_pActive = m_evtLoopOld;
-    }
-
-private:
-    wxEventLoop *m_evtLoopOld;
-    wxEventLoop **m_pActive;
-};
-

 // ============================================================================
 // wxEventLoop implementation
 // ============================================================================
 
 // ============================================================================
 // wxEventLoop implementation
 // ============================================================================
 

-wxEventLoop *wxEventLoopBase::ms_activeLoop = NULL;
+wxWindowMSW *wxEventLoop::ms_winCritical = NULL;

 
 // ----------------------------------------------------------------------------
 // ctor/dtor
 
 // ----------------------------------------------------------------------------
 // ctor/dtor


@@ -111,25 +79,61 @@ void wxEventLoop::ProcessMessage(WXMSG *msg)
     }
 }
 
     }
 }
 

+bool wxEventLoop::IsChildOfCriticalWindow(wxWindowMSW *win)
+{
+    while ( win )
+    {
+        if ( win == ms_winCritical )
+            return true;
+
+        win = win->GetParent();
+    }
+
+    return false;
+}
+

 bool wxEventLoop::PreProcessMessage(WXMSG *msg)
 {
     HWND hwnd = msg->hwnd;
     wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
 bool wxEventLoop::PreProcessMessage(WXMSG *msg)
 {
     HWND hwnd = msg->hwnd;
     wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);

+    wxWindow *wnd;

 
 

-    // this may happen if the event occurred 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
+    // this might happen if we're in a modeless dialog, or if a wx control has
+    // children which themselves were not created by wx (i.e. wxActiveX control children)

     if ( !wndThis )
     {
     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 )
+        while ( hwnd && (::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD ))

         {
             hwnd = ::GetParent(hwnd);
         {
             hwnd = ::GetParent(hwnd);

+
+            // If the control has a wx parent, break and give the parent a chance
+            // to process the window message
+            wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
+            if (wndThis != NULL)
+                break;

         }
 
         }
 

-        return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
+        if ( !wndThis )
+        {
+            // this may happen if the event occurred 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
+
+            // NOTE: IsDialogMessage() just eats all the messages (i.e. returns true for
+            // them) if we call it for the control itself
+            return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
+        }
+    }
+
+    if ( !AllowProcessing(wndThis) )
+    {
+        // not a child of critical window, so we eat the event but take care to
+        // stop an endless stream of WM_PAINTs which would have resulted if we
+        // didn't validate the invalidated part of the window
+        if ( msg->message == WM_PAINT )
+            ::ValidateRect(hwnd, NULL);
+
+        return true;

     }
 
 #if wxUSE_TOOLTIPS
     }
 
 #if wxUSE_TOOLTIPS


@@ -137,11 +141,10 @@ bool wxEventLoop::PreProcessMessage(WXMSG *msg)
     // popup the tooltip bubbles
     if ( msg->message == WM_MOUSEMOVE )
     {
     // popup the tooltip bubbles
     if ( msg->message == WM_MOUSEMOVE )
     {

-        wxToolTip *tt = wndThis->GetToolTip();
-        if ( tt )
-        {
-            tt->RelayEvent((WXMSG *)msg);
-        }
+        // we should do it if one of window children has an associated tooltip
+        // (and not just if the window has a tooltip itself)
+        if ( wndThis->HasToolTips() )
+            wxToolTip::RelayEvent((WXMSG *)msg);

     }
 #endif // wxUSE_TOOLTIPS
 
     }
 #endif // wxUSE_TOOLTIPS
 


@@ -154,8 +157,6 @@ bool wxEventLoop::PreProcessMessage(WXMSG *msg)
     }
 
     // try translations first: the accelerators override everything
     }
 
     // try translations first: the accelerators override everything

-    wxWindow *wnd;
-

     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
         if ( wnd->MSWTranslateMessage((WXMSG *)msg))
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
         if ( wnd->MSWTranslateMessage((WXMSG *)msg))


@@ -171,16 +172,14 @@ bool wxEventLoop::PreProcessMessage(WXMSG *msg)
     // now try the other hooks (kbd navigation is handled here)
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
     // now try the other hooks (kbd navigation is handled here)
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {

-        if (wnd != wndThis) // Skip the first since wndThis->MSWProcessMessage() was called above
-        {
-            if ( wnd->MSWProcessMessage((WXMSG *)msg) )
-                return true;
-        }
-        
-        // Stop at first top level window (as per comment above).
-        // If we don't do this, pressing ESC on a modal dialog shown as child of a modal
-        // dialog with wxID_CANCEL will cause the parent dialog to be closed, for example
-        if (wnd->IsTopLevel())
+        if ( wnd->MSWProcessMessage((WXMSG *)msg) )
+            return true;
+
+        // also stop at first top level window here, just as above because
+        // if we don't do this, pressing ESC on a modal dialog shown as child
+        // of a modal dialog with wxID_CANCEL will cause the parent dialog to
+        // be closed, for example
+        if ( wnd->IsTopLevel() )

             break;
     }
 
             break;
     }
 


@@ -192,85 +191,19 @@ bool wxEventLoop::PreProcessMessage(WXMSG *msg)
 // wxEventLoop running and exiting
 // ----------------------------------------------------------------------------
 
 // wxEventLoop running and exiting
 // ----------------------------------------------------------------------------
 

-bool wxEventLoop::IsRunning() const
-{
-    return ms_activeLoop == this;
-}
+// ----------------------------------------------------------------------------
+// wxEventLoopManual customization
+// ----------------------------------------------------------------------------

 
 

-int wxEventLoop::Run()
+void wxEventLoop::OnNextIteration()

 {
 {

-    // event loops are not recursive, you need to create another loop!
-    wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
-
-    // ProcessIdle() and Dispatch() below may throw so the code here should
-    // be exception-safe, hence we must use local objects for all actions we
-    // should undo
-    wxEventLoopActivator activate(&ms_activeLoop, this);
-
-#if wxUSE_EXCEPTIONS
-    try
-    {
-#endif
-        // this is the event loop itself
-        for ( ;; )
-        {
-            #if wxUSE_THREADS
-                wxMutexGuiLeaveOrEnter();
-            #endif // wxUSE_THREADS
-
-            // generate and process idle events for as long as we don't
-            // have anything else to do
-            while ( !Pending() && (wxTheApp && wxTheApp->ProcessIdle()) )
-                ;
-
-            // if the "should exit" flag is set, the loop should terminate
-            // but not before processing any remaining messages so while
-            // Pending() returns true, do process them
-            if ( m_shouldExit )
-            {
-                while ( Pending() )
-                    Dispatch();
-
-                break;
-            }
-
-            // a message came or no more idle processing to do, sit in
-            // Dispatch() waiting for the next message
-            if ( !Dispatch() )
-            {
-                // we got WM_QUIT
-                break;
-            }
-        }
-#if wxUSE_EXCEPTIONS
-    }
-    catch ( ... )
-    {
-        // we need OnExit() to be called before the event loop stops
-        OnExit();
-        throw;
-    }
-#endif // wxUSE_EXCEPTIONS
-
-    return m_exitcode;
+#if wxUSE_THREADS
+    wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS

 }
 
 }
 

-void wxEventLoop::Exit(int rc)
+void wxEventLoop::WakeUp()

 {
 {

-    wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
-
-    m_exitcode = rc;
-    m_shouldExit = true;
-
-    OnExit();
-
-    // all we have to do to exit from the loop is to (maybe) wake it up so that
-    // it can notice that Exit() had been called
-    //
-    // in particular, we do *not* use PostQuitMessage() here because we're not
-    // sure that WM_QUIT is going to be processed by the correct event loop: it
-    // is possible that another one is started before this one has a chance to
-    // process WM_QUIT

     ::PostMessage(NULL, WM_NULL, 0, 0);
 }
 
     ::PostMessage(NULL, WM_NULL, 0, 0);
 }