]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/wincmn.cpp
Skip the event to allow further child processing
[wxWidgets.git] / src / common / wincmn.cpp
index 3dc6813f7b86298eebfafe8bfa2806aaa75c0d16..90a8b02e9d7800ae08ebef400d6a3c2e8c7b4892 100644 (file)
@@ -78,9 +78,6 @@
     #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;
 #endif
 
 #include "wx/platinfo.h"
@@ -251,8 +248,12 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     // generate a new id if the user doesn't care about it
     m_windowId = id == wxID_ANY ? NewControlId() : id;
 
+    // don't use SetWindowStyleFlag() here, this function should only be called
+    // to change the flag after creation as it tries to reflect the changes in
+    // flags by updating the window dynamically and we don't need this here
+    m_windowStyle = style;
+
     SetName(name);
-    SetWindowStyleFlag(style);
     SetParent(parent);
 
 #if wxUSE_VALIDATORS
@@ -270,6 +271,28 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     return true;
 }
 
+bool wxWindowBase::ToggleWindowStyle(int flag)
+{
+    wxASSERT_MSG( flag, _T("flags with 0 value can't be toggled") );
+
+    bool rc;
+    long style = GetWindowStyleFlag();
+    if ( style & flag )
+    {
+        style &= ~flag;
+        rc = false;
+    }
+    else // currently off
+    {
+        style |= flag;
+        rc = true;
+    }
+
+    SetWindowStyleFlag(style);
+
+    return rc;
+}
+
 // ----------------------------------------------------------------------------
 // destruction
 // ----------------------------------------------------------------------------
@@ -292,23 +315,9 @@ wxWindowBase::~wxWindowBase()
 
     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 
-    // reset the top-level parent's default item if it is this widget
-    if ( m_parent )
-    {
-        wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent((wxWindow*)this),
-                                              wxTopLevelWindow);
-        
-        if ( tlw && tlw->GetDefaultItem() == this )
-            tlw->SetDefaultItem(NULL);
-        if ( tlw && tlw->GetTmpDefaultItem() == this )
-            tlw->SetTmpDefaultItem(NULL);
-    }
-
-    // reset the dangling pointer our parent window may keep to us
+    // notify the parent about this window destruction
     if ( m_parent )
-    {
         m_parent->RemoveChild(this);
-    }
 
 #if wxUSE_CARET
     delete m_caret;
@@ -351,6 +360,14 @@ wxWindowBase::~wxWindowBase()
 #endif
 }
 
+void wxWindowBase::SendDestroyEvent()
+{
+    wxWindowDestroyEvent event;
+    event.SetEventObject(this);
+    event.SetId(GetId());
+    GetEventHandler()->ProcessEvent(event);
+}
+
 bool wxWindowBase::Destroy()
 {
     delete this;
@@ -463,7 +480,7 @@ wxSize wxWindowBase::DoGetBestSize() const
 
     if ( m_windowSizer )
     {
-        best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
+        best = m_windowSizer->GetMinSize();
     }
 #if wxUSE_CONSTRAINTS
     else if ( m_constraints )
@@ -579,8 +596,78 @@ wxSize wxWindowBase::DoGetBestSize() const
     return best;
 }
 
+// helper of GetWindowBorderSize(): as many ports don't implement support for
+// wxSYS_BORDER/EDGE_X/Y metrics in their wxSystemSettings, use hard coded
+// fallbacks in this case
+static int wxGetMetricOrDefault(wxSystemMetric what)
+{
+    int rc = wxSystemSettings::GetMetric(what);
+    if ( rc == -1 )
+    {
+        switch ( what )
+        {
+            case wxSYS_BORDER_X:
+            case wxSYS_BORDER_Y:
+                // 2D border is by default 1 pixel wide
+                rc = 1;
+                break;
+
+            case wxSYS_EDGE_X:
+            case wxSYS_EDGE_Y:
+                // 3D borders are by default 2 pixels
+                rc = 2;
+                break;
+
+            default:
+                wxFAIL_MSG( _T("unexpected wxGetMetricOrDefault() argument") );
+                rc = 0;
+        }
+    }
+
+    return rc;
+}
+
+wxSize wxWindowBase::GetWindowBorderSize() const
+{
+    wxSize size;
+
+    switch ( GetBorder() )
+    {
+        case wxBORDER_NONE:
+            // nothing to do, size is already (0, 0)
+            break;
+
+        case wxBORDER_SIMPLE:
+        case wxBORDER_STATIC:
+            size.x = wxGetMetricOrDefault(wxSYS_BORDER_X);
+            size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y);
+            break;
+
+        case wxBORDER_SUNKEN:
+        case wxBORDER_RAISED:
+            size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X),
+                           wxGetMetricOrDefault(wxSYS_BORDER_X));
+            size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y),
+                           wxGetMetricOrDefault(wxSYS_BORDER_Y));
+            break;
+
+        case wxBORDER_DOUBLE:
+            size.x = wxGetMetricOrDefault(wxSYS_EDGE_X) +
+                        wxGetMetricOrDefault(wxSYS_BORDER_X);
+            size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y) +
+                        wxGetMetricOrDefault(wxSYS_BORDER_Y);
+            break;
+
+        default:
+            wxFAIL_MSG(_T("Unknown border style."));
+            break;
+    }
+
+    // we have borders on both sides
+    return size*2;
+}
 
-wxSize wxWindowBase::GetBestFittingSize() const
+wxSize wxWindowBase::GetEffectiveMinSize() const
 {
     // merge the best size with the min size, giving priority to the min size
     wxSize min = GetMinSize();
@@ -594,14 +681,14 @@ wxSize wxWindowBase::GetBestFittingSize() const
 }
 
 
-void wxWindowBase::SetBestFittingSize(const wxSize& size)
+void wxWindowBase::SetInitialSize(const wxSize& size)
 {
     // Set the min size to the size passed in.  This will usually either be
     // wxDefaultSize or the size passed to this window's ctor/Create function.
     SetMinSize(size);
 
     // Merge the size with the best size if needed
-    wxSize best = GetBestFittingSize();
+    wxSize best = GetEffectiveMinSize();
 
     // If the current size doesn't match then change it
     if (GetSize() != best)
@@ -660,6 +747,21 @@ void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
     SetFont(font);
 }
 
+void wxWindowBase::DoSetSizeHints( int minW, int minH,
+                                   int maxW, int maxH,
+                                   int WXUNUSED(incW), int WXUNUSED(incH) )
+{
+    wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
+                    (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
+                 _T("min width/height must be less than max width/height!") );
+
+    m_minWidth = minW;
+    m_maxWidth = maxW;
+    m_minHeight = minH;
+    m_maxHeight = maxH;
+}
+
+
 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
                                         int maxW, int maxH )
 {
@@ -728,18 +830,55 @@ bool wxWindowBase::Show(bool show)
     }
 }
 
-bool wxWindowBase::Enable(bool enable)
+bool wxWindowBase::IsEnabled() const
 {
-    if ( enable != m_isEnabled )
-    {
-        m_isEnabled = enable;
+    return IsThisEnabled() && (IsTopLevel() || !GetParent() || GetParent()->IsEnabled());
+}
 
-        return true;
-    }
-    else
+void wxWindowBase::NotifyWindowOnEnableChange(bool enabled)
+{
+#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
+    DoEnable(enabled);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+    OnEnabled(enabled);
+
+    // If we are top-level then the logic doesn't apply - otherwise
+    // showing a modal dialog would result in total greying out (and ungreying
+    // out later) of everything which would be really ugly
+    if ( IsTopLevel() )
+        return;
+
+    for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+          node;
+          node = node->GetNext() )
     {
+        wxWindowBase * const child = node->GetData();
+        if ( !child->IsTopLevel() && child->IsThisEnabled() )
+            child->NotifyWindowOnEnableChange(enabled);
+    }
+}
+
+bool wxWindowBase::Enable(bool enable)
+{
+    if ( enable == IsThisEnabled() )
         return false;
+
+    m_isEnabled = enable;
+
+#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT
+    DoEnable(enable);
+#else // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+    wxWindowBase * const parent = GetParent();
+    if( !IsTopLevel() && parent && !parent->IsEnabled() )
+    {
+        return true;
     }
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+    NotifyWindowOnEnableChange(enable);
+
+    return true;
 }
 
 bool wxWindowBase::IsShownOnScreen() const
@@ -791,6 +930,8 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent)
         return false;
     }
 
+    const bool oldEnabledState = IsEnabled();
+
     // unlink this window from the existing parent.
     if ( oldParent )
     {
@@ -811,6 +952,14 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent)
         wxTopLevelWindows.Append((wxWindow *)this);
     }
 
+    // We need to notify window (and its subwindows) if by changing the parent
+    // we also change our enabled/disabled status.
+    const bool newEnabledState = IsEnabled();
+    if ( newEnabledState != oldEnabledState )
+    {
+        NotifyWindowOnEnableChange(newEnabledState);
+    }
+
     return true;
 }
 
@@ -979,8 +1128,6 @@ wxColour wxWindowBase::GetForegroundColour() const
     // logic is the same as above
     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
     {
-        wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
-
         wxColour colFg = GetDefaultAttributes().colFg;
 
         if ( !colFg.Ok() )
@@ -1501,7 +1648,7 @@ void wxWindowBase::OnHelp(wxHelpEvent& event)
 #endif // wxUSE_HELP
 
 // ----------------------------------------------------------------------------
-// tooltipsroot.Replace("\\", "/");
+// tooltips
 // ----------------------------------------------------------------------------
 
 #if wxUSE_TOOLTIPS
@@ -1985,7 +2132,7 @@ void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) co
 }
 
 // ----------------------------------------------------------------------------
-// do Update UI processing for child controls
+// Update UI processing
 // ----------------------------------------------------------------------------
 
 void wxWindowBase::UpdateWindowUI(long flags)
@@ -2020,23 +2167,6 @@ void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
         Show(event.GetShown());
 }
 
-#if 0
-// call internal idle recursively
-// may be obsolete (wait until OnIdle scheme stabilises)
-void wxWindowBase::ProcessInternalIdle()
-{
-    OnInternalIdle();
-
-    wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
-    while (node)
-    {
-        wxWindow *child = node->GetData();
-        child->ProcessInternalIdle();
-        node = node->GetNext();
-    }
-}
-#endif
-
 // ----------------------------------------------------------------------------
 // dialog units translations
 // ----------------------------------------------------------------------------
@@ -2103,6 +2233,47 @@ void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
     UpdateWindowUI(wxUPDATE_UI_RECURSE);
 }
 
+// ----------------------------------------------------------------------------
+// menu-related functions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS
+
+// this is used to pass the id of the selected item from the menu event handler
+// to the main function itself
+//
+// it's ok to use a global here as there can be at most one popup menu shown at
+// any time
+static int gs_popupMenuSelection = wxID_NONE;
+
+void wxWindowBase::InternalOnPopupMenu(wxCommandEvent& event)
+{
+    // store the id in a global variable where we'll retrieve it from later
+    gs_popupMenuSelection = event.GetId();
+}
+
+int
+wxWindowBase::DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
+{
+    gs_popupMenuSelection = wxID_NONE;
+
+    Connect(wxEVT_COMMAND_MENU_SELECTED,
+            wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
+            NULL,
+            this);
+
+    PopupMenu(&menu, x, y);
+
+    Disconnect(wxEVT_COMMAND_MENU_SELECTED,
+               wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
+               NULL,
+               this);
+
+    return gs_popupMenuSelection;
+}
+
+#endif // wxUSE_MENUS
+
 // methods for drawing the sizers in a visible way
 #ifdef __WXDEBUG__
 
@@ -2184,7 +2355,7 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
         msg.Printf(_T("wxWidgets Library (%s port)\n")
                    _T("Version %d.%d.%d%s%s, compiled at %s %s\n")
                    _T("Runtime version of toolkit used is %d.%d.%s\n")
-                   _T("Copyright (c) 1995-2006 wxWidgets team"),
+                   _T("Copyright (c) 1995-2007 wxWidgets team"),
                    wxPlatformInfo::Get().GetPortIdName().c_str(),
                    wxMAJOR_VERSION,
                    wxMINOR_VERSION,
@@ -2213,9 +2384,9 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
         wxMessageBox(msg, _T("wxWidgets information"),
                      wxICON_INFORMATION | wxOK,
                      (wxWindow *)this);
+#endif // wxUSE_MSGDLG
     }
     else
-#endif // wxUSE_MSGDLG
     {
         event.Skip();
     }
@@ -2260,14 +2431,14 @@ wxAccessible* wxWindowBase::CreateAccessible()
 #include "wx/listimpl.cpp"
 WX_DEFINE_LIST(wxWindowList)
 
-#else
+#else // !wxUSE_STL
 
 void wxWindowListNode::DeleteData()
 {
     delete (wxWindow *)GetData();
 }
 
-#endif
+#endif // wxUSE_STL/!wxUSE_STL
 
 // ----------------------------------------------------------------------------
 // borders
@@ -2280,6 +2451,10 @@ wxBorder wxWindowBase::GetBorder(long flags) const
     {
         border = GetDefaultBorder();
     }
+    else if ( border == wxBORDER_THEME )
+    {
+        border = GetDefaultBorderForControl();
+    }
 
     return border;
 }
@@ -2385,6 +2560,10 @@ static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
     event.SetEventObject(win);
     if ( !win->GetEventHandler()->ProcessEvent(event) )
     {
+        // windows must handle this event, otherwise the app wouldn't behave
+        // correctly if it loses capture unexpectedly; see the discussion here:
+        // http://sourceforge.net/tracker/index.php?func=detail&aid=1153662&group_id=9863&atid=109863
+        // http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/82376
         wxFAIL_MSG( _T("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") );
     }
 }
@@ -2436,14 +2615,6 @@ bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
 
 #endif // wxUSE_HOTKEY
 
-void wxWindowBase::SendDestroyEvent()
-{
-    wxWindowDestroyEvent event;
-    event.SetEventObject(this);
-    event.SetId(GetId());
-    GetEventHandler()->ProcessEvent(event);
-}
-
 // ----------------------------------------------------------------------------
 // event processing
 // ----------------------------------------------------------------------------
@@ -2495,17 +2666,19 @@ bool wxWindowBase::TryParent(wxEvent& event)
 // keyboard navigation
 // ----------------------------------------------------------------------------
 
-// Navigates in the specified direction.
-bool wxWindowBase::Navigate(int flags)
+// Navigates in the specified direction inside this window
+bool wxWindowBase::DoNavigateIn(int flags)
 {
+#ifdef wxHAS_NATIVE_TAB_TRAVERSAL
+    // native code doesn't process our wxNavigationKeyEvents anyhow
+    wxUnusedVar(flags);
+    return false;
+#else // !wxHAS_NATIVE_TAB_TRAVERSAL
     wxNavigationKeyEvent eventNav;
     eventNav.SetFlags(flags);
-    eventNav.SetEventObject(this);
-    if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
-    {
-        return true;
-    }
-    return false;
+    eventNav.SetEventObject(FindFocus());
+    return GetEventHandler()->ProcessEvent(eventNav);
+#endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL
 }
 
 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)