X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e7445ff8ee26e39fab1e35455e1bef954bdf636f..f2c88494b6978bee502f4c856ba9dc7e3b7c3954:/src/common/wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 9e8bc62c7c..cecad5fa0d 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -41,17 +41,10 @@
     #include "wx/statusbr.h"
     #include "wx/toolbar.h"
     #include "wx/dcclient.h"
-#endif //WX_PRECOMP
-
-#if defined(__WXMAC__) && wxUSE_SCROLLBAR
     #include "wx/scrolbar.h"
-#endif
-
-#if wxUSE_CONSTRAINTS
     #include "wx/layout.h"
-#endif // wxUSE_CONSTRAINTS
-
-#include "wx/sizer.h"
+    #include "wx/sizer.h"
+#endif //WX_PRECOMP
 
 #if wxUSE_DRAG_AND_DROP
     #include "wx/dnd.h"
@@ -80,7 +73,11 @@
 // For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog.
 // The gtk includes don't pull any other headers in, at least not on my system - MR
 #ifdef __WXGTK__
-    #include <gtk/gtkversion.h>
+    #ifdef __WXGTK20__
+        #include <gtk/gtkversion.h>
+    #else
+        #include <gtk/gtkfeatures.h>
+    #endif
     extern const unsigned int gtk_major_version;
     extern const unsigned int gtk_minor_version;
     extern const unsigned int gtk_micro_version;
@@ -294,11 +291,6 @@ wxWindowBase::~wxWindowBase()
     // reset the dangling pointer our parent window may keep to us
     if ( m_parent )
     {
-        if ( m_parent->GetDefaultItem() == this )
-        {
-            m_parent->SetDefaultItem(NULL);
-        }
-
         m_parent->RemoveChild(this);
     }
 
@@ -500,7 +492,8 @@ wxSize wxWindowBase::DoGetBestSize() const
 #endif
               )
     {
-        // our minimal acceptable size is such that all our visible child windows fit inside
+        // our minimal acceptable size is such that all our visible child
+        // windows fit inside
         int maxX = 0,
             maxY = 0;
 
@@ -509,9 +502,10 @@ wxSize wxWindowBase::DoGetBestSize() const
               node = node->GetNext() )
         {
             wxWindow *win = node->GetData();
-            if ( win->IsTopLevel()  || ( ! win->IsShown() )
+            if ( win->IsTopLevel()
+                    || !win->IsShown()
 #if wxUSE_STATUSBAR
-                    || wxDynamicCast(win, wxStatusBar)
+                        || wxDynamicCast(win, wxStatusBar)
 #endif // wxUSE_STATUSBAR
                )
             {
@@ -538,11 +532,6 @@ wxSize wxWindowBase::DoGetBestSize() const
                 maxY = wy + wh;
         }
 
-        // for compatibility with the old versions and because it really looks
-        // slightly more pretty like this, add a pad
-        maxX += 7;
-        maxY += 14;
-
         best = wxSize(maxX, maxY);
     }
     else // ! has children
@@ -1472,7 +1461,10 @@ void wxWindowBase::SetHelpTextForId(const wxString& text)
 }
 
 // get the help string associated with this window (may be empty)
-wxString wxWindowBase::GetHelpText() const
+// default implementation forwards calls to the help provider
+wxString
+wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt),
+                                 wxHelpEvent::Origin WXUNUSED(origin)) const
 {
     wxString text;
     wxHelpProvider *helpProvider = wxHelpProvider::Get();
@@ -1490,7 +1482,7 @@ void wxWindowBase::OnHelp(wxHelpEvent& event)
     wxHelpProvider *helpProvider = wxHelpProvider::Get();
     if ( helpProvider )
     {
-        if ( helpProvider->ShowHelp(this) )
+        if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
         {
             // skip the event.Skip() below
             return;
@@ -2342,10 +2334,16 @@ struct WXDLLEXPORT wxWindowNext
     wxWindow *win;
     wxWindowNext *next;
 } *wxWindowBase::ms_winCaptureNext = NULL;
+wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL;
+bool wxWindowBase::ms_winCaptureChanging = false;
 
 void wxWindowBase::CaptureMouse()
 {
-    wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
+    wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), wx_static_cast(void*, this));
+
+    wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive CaptureMouse call?") );
+
+    ms_winCaptureChanging = true;
 
     wxWindow *winOld = GetCapture();
     if ( winOld )
@@ -2361,19 +2359,28 @@ void wxWindowBase::CaptureMouse()
     //else: no mouse capture to save
 
     DoCaptureMouse();
+    ms_winCaptureCurrent = (wxWindow*)this;
+
+    ms_winCaptureChanging = false;
 }
 
 void wxWindowBase::ReleaseMouse()
 {
-    wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
+    wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), wx_static_cast(void*, this));
+
+    wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") );
 
     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
 
+    ms_winCaptureChanging = true;
+
     DoReleaseMouse();
+    ms_winCaptureCurrent = NULL;
 
     if ( ms_winCaptureNext )
     {
         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
+        ms_winCaptureCurrent = ms_winCaptureNext->win;
 
         wxWindowNext *item = ms_winCaptureNext;
         ms_winCaptureNext = item->next;
@@ -2381,9 +2388,49 @@ void wxWindowBase::ReleaseMouse()
     }
     //else: stack is empty, no previous capture
 
+    ms_winCaptureChanging = false;
+
     wxLogTrace(_T("mousecapture"),
         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
-        GetCapture());
+        wx_static_cast(void*, GetCapture()));
+}
+
+static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
+{
+    wxMouseCaptureLostEvent event(win->GetId());
+    event.SetEventObject(win);
+    if ( !win->GetEventHandler()->ProcessEvent(event) )
+    {
+        wxFAIL_MSG( _T("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") );
+    }
+}
+
+/* static */
+void wxWindowBase::NotifyCaptureLost()
+{
+    // don't do anything if capture lost was expected, i.e. resulted from
+    // a wx call to ReleaseMouse or CaptureMouse:
+    if ( ms_winCaptureChanging )
+        return;
+
+    // if the capture was lost unexpectedly, notify every window that has
+    // capture (on stack or current) about it and clear the stack:
+
+    if ( ms_winCaptureCurrent )
+    {
+        DoNotifyWindowAboutCaptureLost(ms_winCaptureCurrent);
+        ms_winCaptureCurrent = NULL;
+    }
+
+    while ( ms_winCaptureNext )
+    {
+        wxWindowNext *item = ms_winCaptureNext;
+        ms_winCaptureNext = item->next;
+
+        DoNotifyWindowAboutCaptureLost(item->win);
+
+        delete item;
+    }
 }
 
 #if wxUSE_HOTKEY
@@ -2804,7 +2851,7 @@ wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString*
     if (!GetWindow())
         return wxACC_FAIL;
 
-    wxString ht(GetWindow()->GetHelpText());
+    wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
     if (!ht.empty())
     {
         *description = ht;
@@ -2820,7 +2867,7 @@ wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* hel
     if (!GetWindow())
         return wxACC_FAIL;
 
-    wxString ht(GetWindow()->GetHelpText());
+    wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
     if (!ht.empty())
     {
         *helpText = ht;