Test m_dc before using it

[wxWidgets.git] / src / common / tbarbase.cpp

diff --git a/src/common/tbarbase.cpp b/src/common/tbarbase.cpp
index a43e8a0b1d9c27a4add7d8c623502461b5505bc6..f6bc3617dc9c3fbb768680244ceba31cdeba288a 100644 (file)
--- a/src/common/tbarbase.cpp
+++ b/src/common/tbarbase.cpp
@@ -79,7 +79,7 @@ bool wxToolBarToolBase::Enable(bool enable)
 
 bool wxToolBarToolBase::Toggle(bool toggle)
 {
 
 bool wxToolBarToolBase::Toggle(bool toggle)
 {

-    wxASSERT_MSG( CanBeToggled(), _T("can't toggle this tool") );
+    wxASSERT_MSG( CanBeToggled(), wxT("can't toggle this tool") );

 
     if ( m_toggled == toggle )
         return false;
 
     if ( m_toggled == toggle )
         return false;


@@ -178,19 +178,10 @@ wxToolBarToolBase *wxToolBarBase::InsertTool(size_t pos,
                                              wxObject *clientData)
 {
     wxCHECK_MSG( pos <= GetToolsCount(), NULL,
                                              wxObject *clientData)
 {
     wxCHECK_MSG( pos <= GetToolsCount(), NULL,

-                 _T("invalid position in wxToolBar::InsertTool()") );
+                 wxT("invalid position in wxToolBar::InsertTool()") );

 
 

-    wxToolBarToolBase *tool = CreateTool(id, label, bitmap, bmpDisabled, kind,
-                                         clientData, shortHelp, longHelp);
-
-    if ( !InsertTool(pos, tool) )
-    {
-        delete tool;
-
-        return NULL;
-    }
-
-    return tool;
+    return DoInsertNewTool(pos, CreateTool(id, label, bitmap, bmpDisabled, kind,
+                                           clientData, shortHelp, longHelp));

 }
 
 wxToolBarToolBase *wxToolBarBase::AddTool(wxToolBarToolBase *tool)
 }
 
 wxToolBarToolBase *wxToolBarBase::AddTool(wxToolBarToolBase *tool)


@@ -202,7 +193,7 @@ wxToolBarToolBase *
 wxToolBarBase::InsertTool(size_t pos, wxToolBarToolBase *tool)
 {
     wxCHECK_MSG( pos <= GetToolsCount(), NULL,
 wxToolBarBase::InsertTool(size_t pos, wxToolBarToolBase *tool)
 {
     wxCHECK_MSG( pos <= GetToolsCount(), NULL,

-                 _T("invalid position in wxToolBar::InsertTool()") );
+                 wxT("invalid position in wxToolBar::InsertTool()") );

 
     if ( !tool || !DoInsertTool(pos, tool) )
     {
 
     if ( !tool || !DoInsertTool(pos, tool) )
     {


@@ -227,24 +218,12 @@ wxToolBarBase::InsertControl(size_t pos,
                              const wxString& label)
 {
     wxCHECK_MSG( control, NULL,
                              const wxString& label)
 {
     wxCHECK_MSG( control, NULL,

-                 _T("toolbar: can't insert NULL control") );
+                 wxT("toolbar: can't insert NULL control") );

 
     wxCHECK_MSG( control->GetParent() == this, NULL,
 
     wxCHECK_MSG( control->GetParent() == this, NULL,

-                 _T("control must have toolbar as parent") );
-
-    wxCHECK_MSG( pos <= GetToolsCount(), NULL,
-                 _T("invalid position in wxToolBar::InsertControl()") );
-
-    wxToolBarToolBase *tool = CreateTool(control, label);
-
-    if ( !InsertTool(pos, tool) )
-    {
-        delete tool;
-
-        return NULL;
-    }
+                 wxT("control must have toolbar as parent") );

 
 

-    return tool;
+    return DoInsertNewTool(pos, CreateTool(control, label));

 }
 
 wxControl *wxToolBarBase::FindControl( int id )
 }
 
 wxControl *wxToolBarBase::FindControl( int id )


@@ -260,7 +239,7 @@ wxControl *wxToolBarBase::FindControl( int id )
 
             if ( !control )
             {
 
             if ( !control )
             {

-                wxFAIL_MSG( _T("NULL control in toolbar?") );
+                wxFAIL_MSG( wxT("NULL control in toolbar?") );

             }
             else if ( control->GetId() == id )
             {
             }
             else if ( control->GetId() == id )
             {


@@ -280,25 +259,29 @@ wxToolBarToolBase *wxToolBarBase::AddSeparator()
 
 wxToolBarToolBase *wxToolBarBase::InsertSeparator(size_t pos)
 {
 
 wxToolBarToolBase *wxToolBarBase::InsertSeparator(size_t pos)
 {

-    wxCHECK_MSG( pos <= GetToolsCount(), NULL,
-                 _T("invalid position in wxToolBar::InsertSeparator()") );
+    return DoInsertNewTool(pos, CreateSeparator());
+}

 
 

-    wxToolBarToolBase *tool = CreateTool(wxID_SEPARATOR,
-                                         wxEmptyString,
-                                         wxNullBitmap, wxNullBitmap,
-                                         wxITEM_SEPARATOR, NULL,
-                                         wxEmptyString, wxEmptyString);
+wxToolBarToolBase *wxToolBarBase::AddStretchableSpace()
+{
+    return InsertStretchableSpace(GetToolsCount());
+}

 
 

-    if ( !tool || !DoInsertTool(pos, tool) )
+wxToolBarToolBase *wxToolBarBase::InsertStretchableSpace(size_t pos)
+{
+    wxToolBarToolBase * const tool = CreateSeparator();
+    if ( tool )

     {
     {

-        delete tool;
-
-        return NULL;
+        // this is a hack but we know that all the current implementations
+        // don't really use the tool when it's created, they will do it
+        // InsertTool() at earliest and maybe even in Realize() much later
+        //
+        // so we can create the tool as a plain separator and mark it as being
+        // a stretchable space later
+        tool->MakeStretchable();

     }
 
     }
 

-    m_tools.Insert(pos, tool);
-
-    return tool;
+    return DoInsertNewTool(pos, tool);

 }
 
 wxToolBarToolBase *wxToolBarBase::RemoveTool(int id)
 }
 
 wxToolBarToolBase *wxToolBarBase::RemoveTool(int id)


@@ -336,7 +319,7 @@ wxToolBarToolBase *wxToolBarBase::RemoveTool(int id)
 bool wxToolBarBase::DeleteToolByPos(size_t pos)
 {
     wxCHECK_MSG( pos < GetToolsCount(), false,
 bool wxToolBarBase::DeleteToolByPos(size_t pos)
 {
     wxCHECK_MSG( pos < GetToolsCount(), false,

-                 _T("invalid position in wxToolBar::DeleteToolByPos()") );
+                 wxT("invalid position in wxToolBar::DeleteToolByPos()") );

 
     wxToolBarToolsList::compatibility_iterator node = m_tools.Item(pos);
 
 
     wxToolBarToolsList::compatibility_iterator node = m_tools.Item(pos);
 


@@ -397,13 +380,13 @@ wxToolBarToolBase *wxToolBarBase::FindById(int id) const
 
 void wxToolBarBase::UnToggleRadioGroup(wxToolBarToolBase *tool)
 {
 
 void wxToolBarBase::UnToggleRadioGroup(wxToolBarToolBase *tool)
 {

-    wxCHECK_RET( tool, _T("NULL tool in wxToolBarTool::UnToggleRadioGroup") );
+    wxCHECK_RET( tool, wxT("NULL tool in wxToolBarTool::UnToggleRadioGroup") );

 
     if ( !tool->IsButton() || tool->GetKind() != wxITEM_RADIO )
         return;
 
     wxToolBarToolsList::compatibility_iterator node = m_tools.Find(tool);
 
     if ( !tool->IsButton() || tool->GetKind() != wxITEM_RADIO )
         return;
 
     wxToolBarToolsList::compatibility_iterator node = m_tools.Find(tool);

-    wxCHECK_RET( node, _T("invalid tool in wxToolBarTool::UnToggleRadioGroup") );
+    wxCHECK_RET( node, wxT("invalid tool in wxToolBarTool::UnToggleRadioGroup") );

 
     wxToolBarToolsList::compatibility_iterator nodeNext = node->GetNext();
     while ( nodeNext )
 
     wxToolBarToolsList::compatibility_iterator nodeNext = node->GetNext();
     while ( nodeNext )


@@ -471,8 +454,7 @@ bool wxToolBarBase::Realize()
     if ( m_tools.empty() )
         return false;
 
     if ( m_tools.empty() )
         return false;
 

-    // make sure tool size is larger enough for all all bitmaps to fit in
-    // (this is consistent with what other ports do):
+    // make sure tool size is large enough for all bitmaps to fit in

     AdjustToolBitmapSize();
 
     return true;
     AdjustToolBitmapSize();
 
     return true;


@@ -561,7 +543,7 @@ void wxToolBarBase::SetToolClientData(int id, wxObject *clientData)
 {
     wxToolBarToolBase *tool = FindById(id);
 
 {
     wxToolBarToolBase *tool = FindById(id);
 

-    wxCHECK_RET( tool, _T("no such tool in wxToolBar::SetToolClientData") );
+    wxCHECK_RET( tool, wxT("no such tool in wxToolBar::SetToolClientData") );

 
     tool->SetClientData(clientData);
 }
 
     tool->SetClientData(clientData);
 }


@@ -585,7 +567,7 @@ int wxToolBarBase::GetToolPos(int id) const
 bool wxToolBarBase::GetToolState(int id) const
 {
     wxToolBarToolBase *tool = FindById(id);
 bool wxToolBarBase::GetToolState(int id) const
 {
     wxToolBarToolBase *tool = FindById(id);

-    wxCHECK_MSG( tool, false, _T("no such tool") );
+    wxCHECK_MSG( tool, false, wxT("no such tool") );

 
     return tool->IsToggled();
 }
 
     return tool->IsToggled();
 }


@@ -593,7 +575,7 @@ bool wxToolBarBase::GetToolState(int id) const
 bool wxToolBarBase::GetToolEnabled(int id) const
 {
     wxToolBarToolBase *tool = FindById(id);
 bool wxToolBarBase::GetToolEnabled(int id) const
 {
     wxToolBarToolBase *tool = FindById(id);

-    wxCHECK_MSG( tool, false, _T("no such tool") );
+    wxCHECK_MSG( tool, false, wxT("no such tool") );

 
     return tool->IsEnabled();
 }
 
     return tool->IsEnabled();
 }


@@ -601,7 +583,7 @@ bool wxToolBarBase::GetToolEnabled(int id) const
 wxString wxToolBarBase::GetToolShortHelp(int id) const
 {
     wxToolBarToolBase *tool = FindById(id);
 wxString wxToolBarBase::GetToolShortHelp(int id) const
 {
     wxToolBarToolBase *tool = FindById(id);

-    wxCHECK_MSG( tool, wxEmptyString, _T("no such tool") );
+    wxCHECK_MSG( tool, wxEmptyString, wxT("no such tool") );

 
     return tool->GetShortHelp();
 }
 
     return tool->GetShortHelp();
 }


@@ -609,7 +591,7 @@ wxString wxToolBarBase::GetToolShortHelp(int id) const
 wxString wxToolBarBase::GetToolLongHelp(int id) const
 {
     wxToolBarToolBase *tool = FindById(id);
 wxString wxToolBarBase::GetToolLongHelp(int id) const
 {
     wxToolBarToolBase *tool = FindById(id);

-    wxCHECK_MSG( tool, wxEmptyString, _T("no such tool") );
+    wxCHECK_MSG( tool, wxEmptyString, wxT("no such tool") );

 
     return tool->GetLongHelp();
 }
 
     return tool->GetLongHelp();
 }


@@ -750,10 +732,10 @@ void wxToolBarBase::UpdateWindowUI(long flags)
 bool wxToolBarBase::SetDropdownMenu(int toolid, wxMenu* menu)
 {
     wxToolBarToolBase * const tool = FindById(toolid);
 bool wxToolBarBase::SetDropdownMenu(int toolid, wxMenu* menu)
 {
     wxToolBarToolBase * const tool = FindById(toolid);

-    wxCHECK_MSG( tool, false, _T("invalid tool id") );
+    wxCHECK_MSG( tool, false, wxT("invalid tool id") );

 
     wxCHECK_MSG( tool->GetKind() == wxITEM_DROPDOWN, false,
 
     wxCHECK_MSG( tool->GetKind() == wxITEM_DROPDOWN, false,

-                    _T("menu can be only associated with drop down tools") );
+                    wxT("menu can be only associated with drop down tools") );

 
     tool->SetDropdownMenu(menu);
 
 
     tool->SetDropdownMenu(menu);