]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/wincmn.cpp
Don't emit bogus size events if a child window
[wxWidgets.git] / src / common / wincmn.cpp
index 19ee280fe2c129fce33df5e1560fd073594b17b0..82aa246a647b75e0aa6bd3247f77357cd257bc4a 100644 (file)
@@ -29,7 +29,6 @@
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/frame.h"
-    #include "wx/defs.h"
     #include "wx/window.h"
     #include "wx/control.h"
     #include "wx/checkbox.h"
     #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"
     extern const unsigned int gtk_micro_version;
 #endif
 
+#include "wx/platinfo.h"
+
+// Windows List
+WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+
 // ----------------------------------------------------------------------------
 // static data
 // ----------------------------------------------------------------------------
@@ -221,9 +218,6 @@ wxWindowBase::wxWindowBase()
 
     // VZ: this one shouldn't exist...
     m_isBeingDeleted = false;
-
-    // Reserved for future use
-    m_windowReserved = NULL;
 }
 
 // common part of window creation process
@@ -299,11 +293,6 @@ 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);
     }
 
@@ -409,7 +398,7 @@ void wxWindowBase::Fit()
 {
     if ( !GetChildren().empty() )
     {
-        SetClientSize(GetBestSize());
+        SetSize(GetBestSize());
     }
     //else: do nothing if we have no children
 }
@@ -446,8 +435,10 @@ void wxWindowBase::InvalidateBestSize()
     m_bestSizeCache = wxDefaultSize;
 
     // parent's best size calculation may depend on its children's
-    // best sizes, so let's invalidate it as well to be safe:
-    if (m_parent)
+    // as long as child window we are in is not top level window itself
+    // (because the TLW size is never resized automatically)
+    // so let's invalidate it as well to be safe:
+    if (m_parent && !IsTopLevel())
         m_parent->InvalidateBestSize();
 }
 
@@ -503,7 +494,8 @@ 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;
 
@@ -512,9 +504,10 @@ 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
                )
             {
@@ -541,11 +534,6 @@ 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
@@ -713,6 +701,18 @@ wxSize wxWindowBase::DoGetVirtualSize() const
     return size;
 }
 
+void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
+{
+    // screen position is the same as (0, 0) in client coords for non TLWs (and
+    // TLWs override this method)
+    if ( x )
+        *x = 0;
+    if ( y )
+        *y = 0;
+
+    ClientToScreen(x, y);
+}
+
 // ----------------------------------------------------------------------------
 // show/hide/enable/disable the window
 // ----------------------------------------------------------------------------
@@ -1463,7 +1463,10 @@ 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();
@@ -1481,7 +1484,7 @@ 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;
@@ -1517,10 +1520,13 @@ void wxWindowBase::SetToolTip( const wxString &tip )
 
 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
 {
-    if ( m_tooltip )
-        delete m_tooltip;
+    if ( m_tooltip != tooltip )
+    {
+        if ( m_tooltip )
+            delete m_tooltip;
 
-    m_tooltip = tooltip;
+        m_tooltip = tooltip;
+    }
 }
 
 #endif // wxUSE_TOOLTIPS
@@ -1992,44 +1998,13 @@ void wxWindowBase::UpdateWindowUI(long flags)
 }
 
 // do the window-specific processing after processing the update event
-// TODO: take specific knowledge out of this function and
-// put in each control's base class. Unfortunately we don't
-// yet have base implementation files for wxCheckBox and wxRadioButton.
 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
 {
     if ( event.GetSetEnabled() )
         Enable(event.GetEnabled());
 
-#if wxUSE_CONTROLS
-    if ( event.GetSetText() )
-    {
-        wxControl *control = wxDynamicCastThis(wxControl);
-        if ( control )
-        {
-            if ( event.GetText() != control->GetLabel() )
-                control->SetLabel(event.GetText());
-        }
-    }
-#endif // wxUSE_CONTROLS
-
-    if ( event.GetSetChecked() )
-    {
-#if wxUSE_CHECKBOX
-        wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
-        if ( checkbox )
-        {
-            checkbox->SetValue(event.GetChecked());
-        }
-#endif // wxUSE_CHECKBOX
-
-#if wxUSE_RADIOBTN
-        wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
-        if ( radiobtn )
-        {
-            radiobtn->SetValue(event.GetChecked());
-        }
-#endif // wxUSE_RADIOBTN
-    }
+    if ( event.GetSetShown() )
+        Show(event.GetShown());
 }
 
 #if 0
@@ -2191,69 +2166,35 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
 #endif // __WXDEBUG__
 
 #if wxUSE_MSGDLG
-        // don't translate these strings
-        wxString port;
-
-#ifdef __WXUNIVERSAL__
-        port = _T("Univ/");
-#endif // __WXUNIVERSAL__
-
-        switch ( wxGetOsVersion() )
-        {
-            case wxMOTIF_X:            port += _T("Motif"); break;
-            case wxMAC:
-            case wxMAC_DARWIN:         port += _T("Mac"); break;
-            case wxBEOS:               port += _T("BeOS"); break;
-            case wxGTK:
-            case wxGTK_WIN32:
-            case wxGTK_OS2:
-            case wxGTK_BEOS:           port += _T("GTK"); break;
-            case wxWINDOWS:
-            case wxPENWINDOWS:
-            case wxWINDOWS_NT:
-            case wxWIN32S:
-            case wxWIN95:
-            case wxWIN386:             port += _T("MS Windows"); break;
-            case wxMGL_UNIX:
-            case wxMGL_X:
-            case wxMGL_WIN32:
-            case wxMGL_OS2:            port += _T("MGL"); break;
-            case wxWINDOWS_OS2:
-            case wxOS2_PM:             port += _T("OS/2"); break;
-            case wxPALMOS:             port += _T("Palm OS"); break;
-            case wxWINDOWS_CE:         port += _T("Windows CE (generic)"); break;
-            case wxWINDOWS_POCKETPC:   port += _T("Windows CE PocketPC"); break;
-            case wxWINDOWS_SMARTPHONE: port += _T("Windows CE Smartphone"); break;
-            default:            port += _T("unknown"); break;
-        }
-
-        wxMessageBox(wxString::Format(
-                                      _T(
-                                        "       wxWidgets Library (%s port)\nVersion %d.%d.%d%s%s, compiled at %s %s%s\n   Copyright (c) 1995-2006 wxWidgets team"
-                                        ),
-                                      port.c_str(),
-                                      wxMAJOR_VERSION,
-                                      wxMINOR_VERSION,
-                                      wxRELEASE_NUMBER,
+        // don't translate these strings, they're for diagnostics purposes only
+        wxString msg;
+        msg.Printf(_T("wxWidgets Library (%s port)\n")
+                   _T("Version %d.%d.%d%s%s, compiled at %s %s%s\n")
+                   _T("Copyright (c) 1995-2006 wxWidgets team"),
+                   wxPlatformInfo().GetPortIdName().c_str(),
+                   wxMAJOR_VERSION,
+                   wxMINOR_VERSION,
+                   wxRELEASE_NUMBER,
 #if wxUSE_UNICODE
-                                      L" (Unicode)",
+                   L" (Unicode)",
 #else
-                                      "",
+                   wxEmptyString,
 #endif
 #ifdef __WXDEBUG__
-                                      _T(" Debug build"),
+                   _T(" Debug build"),
 #else
-                                      wxEmptyString,
+                   wxEmptyString,
 #endif
-                                      __TDATE__,
-                                      __TTIME__,
+                   __TDATE__,
+                   __TTIME__,
 #ifdef __WXGTK__
-                                      wxString::Format(_T("\nagainst GTK+ %d.%d.%d. Runtime GTK+ version: %d.%d.%d"), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION, gtk_major_version, gtk_minor_version, gtk_micro_version).c_str()
+                   wxString::Format(_T("\nagainst GTK+ %d.%d.%d. Runtime GTK+ version: %d.%d.%d"), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION, gtk_major_version, gtk_minor_version, gtk_micro_version).c_str()
 #else
-                                      ""
+                   wxEmptyString
 #endif
-                                     ),
-                     _T("wxWidgets information"),
+                   );
+
+        wxMessageBox(msg, _T("wxWidgets information"),
                      wxICON_INFORMATION | wxOK,
                      (wxWindow *)this);
     }
@@ -2361,10 +2302,16 @@ 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 )
@@ -2380,19 +2327,28 @@ 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;
@@ -2400,9 +2356,49 @@ 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
@@ -2823,7 +2819,7 @@ 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;
@@ -2839,7 +2835,7 @@ 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;