Use the same logic for closing dialogs as for handling Escape key.

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

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index badc6724abbe1dc33b52c1b435c9935328767ec2..89eaacb15d9d6f592d3feefdfde2f44f8b63430b 100644 (file)
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -582,25 +582,20 @@ bool wxSizerItem::IsShown() const
             return m_window->IsShown();
 
         case Item_Sizer:
+        {
             // arbitrarily decide that if at least one of our elements is
             // shown, so are we (this arbitrariness is the reason for
             // deprecating this function)
+            for ( wxSizerItemList::compatibility_iterator
+                    node = m_sizer->GetChildren().GetFirst();
+                  node;
+                  node = node->GetNext() )
             {
-                // Some apps (such as dialog editors) depend on an empty sizer still
-                // being laid out correctly and reporting the correct size and position.
-                if (m_sizer->GetChildren().GetCount() == 0)
+                if ( node->GetData()->IsShown() )
                     return true;
-
-                for ( wxSizerItemList::compatibility_iterator
-                        node = m_sizer->GetChildren().GetFirst();
-                      node;
-                      node = node->GetNext() )
-                {
-                    if ( node->GetData()->IsShown() )
-                        return true;
-                }
             }
             return false;
+        }
 
         case Item_Spacer:
             return m_spacer->IsShown();
@@ -2339,7 +2334,7 @@ wxSize wxBoxSizer::CalcMin()
 
     // Using the max ratio ensures that the min size is big enough for all
     // items to have their min size and satisfy the proportions among them.
-    SizeInMajorDir(m_minSize) += maxMinSizeToProp*m_totalProportion;
+    SizeInMajorDir(m_minSize) += (int)(maxMinSizeToProp*m_totalProportion);
 
     return m_minSize;
 }
@@ -2531,6 +2526,29 @@ void wxStdDialogButtonSizer::SetCancelButton( wxButton *button )
     m_buttonCancel = button;
 }
 
+#ifdef __WXGTK20__
+
+namespace
+{
+
+// Returns true only if the button is non-NULL and has the given id and text
+// (possible translated).
+bool IsStdButtonWithStdText(wxButton *btn, wxWindowID id, const char *label)
+{
+    if ( !btn )
+        return false;
+
+    if ( btn->GetId() != id )
+        return false;
+
+    const wxString labelText = btn->GetLabelText();
+    return labelText == label || labelText == wxGetTranslation(label);
+}
+
+} // anonymous namespace
+
+#endif // __WXGTK20__
+
 void wxStdDialogButtonSizer::Realize()
 {
 #ifdef __WXMAC__
@@ -2572,30 +2590,55 @@ void wxStdDialogButtonSizer::Realize()
         // Extra space around and at the right
         Add(12, 40);
 #elif defined(__WXGTK20__)
-        Add(0, 0, 0, wxLEFT, 9);
+        // http://library.gnome.org/devel/hig-book/stable/windows-alert.html.en
+        // describes the margins and the buttons order but basically it is
+        //
+        //      [Help]                  [Alternative] [Cancel] [Affirmative]
+        //
+        // in general case but, somewhat confusingly, the native message box
+        // uses "No Yes Cancel" with these particular buttons so do we as well.
+
+        // Flags ensuring that margins between the buttons are 6 pixels.
+        const wxSizerFlags
+            flagsBtn = wxSizerFlags().Centre().Border(wxLEFT | wxRIGHT, 3);
+
+        // Margin around the entire sizer button should be 12.
+        AddSpacer(9);
+
         if (m_buttonHelp)
-            Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
+            Add(m_buttonHelp, flagsBtn);
 
-        // extra whitespace between help and cancel/ok buttons
-        Add(0, 0, 1, wxEXPAND, 0);
+        // Align the rest of the buttons to the right.
+        AddStretchSpacer();
 
-        if (m_buttonNegative){
-            Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
+        // "No Yes Cancel" is an exception to the general rule according to
+        // which the affirmative buttons goes after "Cancel" so treat it
+        // separately
+        if ( IsStdButtonWithStdText(m_buttonNegative, wxID_NO, "No") &&
+              IsStdButtonWithStdText(m_buttonAffirmative, wxID_YES, "Yes") &&
+               IsStdButtonWithStdText(m_buttonCancel, wxID_CANCEL, "Cancel") )
+        {
+            Add(m_buttonNegative, flagsBtn);
+            Add(m_buttonAffirmative, flagsBtn);
+            Add(m_buttonCancel, flagsBtn);
         }
+        else // Use standard layout
+        {
+            if (m_buttonNegative)
+                Add(m_buttonNegative, flagsBtn);
 
-        // according to HIG, in explicit apply windows the order is:
-        // [ Help                     Apply   Cancel   OK ]
-        if (m_buttonApply)
-            Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
+            if (m_buttonApply)
+                Add(m_buttonApply, flagsBtn);
 
-        if (m_buttonCancel){
-            Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
-            // Cancel or help should be default
-            // m_buttonCancel->SetDefaultButton();
+            if (m_buttonCancel)
+                Add(m_buttonCancel, flagsBtn);
+
+            if (m_buttonAffirmative)
+                Add(m_buttonAffirmative, flagsBtn);
         }
 
-        if (m_buttonAffirmative)
-            Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
+        // Ensure that the right margin is 12 as well.
+        AddSpacer(9);
 #elif defined(__WXMSW__)
         // Windows