Allow passing multi-line strings to wxDC::DrawText(), even under MSW.

[wxWidgets.git] / src / generic / odcombo.cpp

diff --git a/src/generic/odcombo.cpp b/src/generic/odcombo.cpp
index 8321e400d12be99f383f2a170c5fde1828d0b44b..47b567d1efd222f4b13e20bfa9d7ecfd9a644549 100644 (file)
--- a/src/generic/odcombo.cpp
+++ b/src/generic/odcombo.cpp
@@ -54,6 +54,7 @@
 BEGIN_EVENT_TABLE(wxVListBoxComboPopup, wxVListBox)
     EVT_MOTION(wxVListBoxComboPopup::OnMouseMove)
     EVT_KEY_DOWN(wxVListBoxComboPopup::OnKey)
+    EVT_CHAR(wxVListBoxComboPopup::OnChar)
     EVT_LEFT_UP(wxVListBoxComboPopup::OnLeftClick)
 END_EVENT_TABLE()
 
@@ -95,6 +96,18 @@ wxVListBoxComboPopup::~wxVListBoxComboPopup()
     Clear();
 }
 
+void wxVListBoxComboPopup::SetFocus()
+{
+    // Suppress SetFocus() warning by simply not calling it. This combo popup
+    // has already been designed with the assumption that SetFocus() may not
+    // do anything useful, so it really doesn't need to be called.
+#ifdef __WXMSW__
+    //
+#else
+    wxVListBox::SetFocus();
+#endif
+}
+
 bool wxVListBoxComboPopup::LazyCreate()
 {
     // NB: There is a bug with wxVListBox that can be avoided by creating
@@ -244,7 +257,7 @@ void wxVListBoxComboPopup::SendComboBoxEvent( int selection )
 }
 
 // returns true if key was consumed
-bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate, wxChar unicode )
+bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate, wxChar keychar )
 {
     const int itemCount = GetCount();
 
@@ -256,41 +269,44 @@ bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate, wxChar unicode
     int value = m_value;
     int comboStyle = m_combo->GetWindowStyle();
 
-    // this is the character equivalent of the code
-    wxChar keychar = 0;
-    if ( keycode < WXK_START )
+    if ( keychar > 0 )
     {
-        if ( unicode > 0 )
-        {
-            if ( wxIsprint(unicode) )
-                keychar = unicode;
-        }
-        else if ( wxIsprint(keycode) )
-        {
-            keychar = (wxChar) keycode;
-        }
+        // we have character equivalent of the keycode; filter out these that
+        // are not printable characters
+        if ( !wxIsprint(keychar) )
+            keychar = 0;
     }
 
-    if ( keycode == WXK_DOWN || keycode == WXK_RIGHT )
+    if ( keycode == WXK_DOWN || keycode == WXK_NUMPAD_DOWN || keycode == WXK_RIGHT )
     {
         value++;
         StopPartialCompletion();
     }
-    else if ( keycode == WXK_UP || keycode == WXK_LEFT )
+    else if ( keycode == WXK_UP || keycode == WXK_NUMPAD_UP || keycode == WXK_LEFT )
     {
         value--;
         StopPartialCompletion();
     }
-    else if ( keycode == WXK_PAGEDOWN )
+    else if ( keycode == WXK_PAGEDOWN || keycode == WXK_NUMPAD_PAGEDOWN )
     {
         value+=10;
         StopPartialCompletion();
     }
-    else if ( keycode == WXK_PAGEUP )
+    else if ( keycode == WXK_PAGEUP || keycode == WXK_NUMPAD_PAGEUP )
     {
         value-=10;
         StopPartialCompletion();
     }
+    else if ( keycode == WXK_HOME || keycode == WXK_NUMPAD_HOME )
+    {
+        value=0;
+        StopPartialCompletion();
+    }
+    else if ( keycode == WXK_END || keycode == WXK_NUMPAD_END )
+    {
+        value=itemCount-1;
+        StopPartialCompletion();
+    }
     else if ( keychar && (comboStyle & wxCB_READONLY) )
     {
         // Try partial completion
@@ -385,13 +401,21 @@ void wxVListBoxComboPopup::OnComboDoubleClick()
 void wxVListBoxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 {
     // Saturated key movement on
-    if ( !HandleKey(event.GetKeyCode(),true,
+    if ( !HandleKey(event.GetKeyCode(), true) )
+        event.Skip();
+}
+
+void wxVListBoxComboPopup::OnComboCharEvent( wxKeyEvent& event )
+{
+    // unlike in OnComboKeyEvent, wxEVT_CHAR contains meaningful
+    // printable character information, so pass it
 #if wxUSE_UNICODE
-        event.GetUnicodeKey()
+    const wxChar charcode = event.GetUnicodeKey();
 #else
-        0
+    const wxChar charcode = (wxChar)event.GetKeyCode();
 #endif
-        ) )
+
+    if ( !HandleKey(event.GetKeyCode(), true, charcode) )
         event.Skip();
 }
 
@@ -456,18 +480,31 @@ void wxVListBoxComboPopup::OnKey(wxKeyEvent& event)
     }
     else
     {
-        int comboStyle = m_combo->GetWindowStyle();
-        int keycode = event.GetKeyCode();
-        // Process partial completion key codes here, but not the arrow keys as the base class will do that for us
-        if ((comboStyle & wxCB_READONLY) &&
-            (keycode >= WXK_SPACE) && (keycode <=255) && (keycode != WXK_DELETE) && wxIsprint(keycode))
+        // completion is handled in OnChar() below
+        event.Skip();
+    }
+}
+
+void wxVListBoxComboPopup::OnChar(wxKeyEvent& event)
+{
+    if ( m_combo->GetWindowStyle() & wxCB_READONLY )
+    {
+        // Process partial completion key codes here, but not the arrow keys as
+        // the base class will do that for us
+#if wxUSE_UNICODE
+        const wxChar charcode = event.GetUnicodeKey();
+#else
+        const wxChar charcode = (wxChar)event.GetKeyCode();
+#endif
+        if ( wxIsprint(charcode) )
         {
-            OnComboKeyEvent(event);
+            OnComboCharEvent(event);
             SetSelection(m_value); // ensure the highlight bar moves
+            return; // don't skip the event
         }
-        else
-            event.Skip();
     }
+
+    event.Skip();
 }
 
 void wxVListBoxComboPopup::Insert( const wxString& item, int pos )
@@ -760,6 +797,11 @@ wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int
             height = maxHeight;
 
         int totalHeight = GetTotalHeight(); // + 3;
+
+        // Take borders into account on Mac or scrollbars always appear
+#if defined(__WXMAC__)
+        totalHeight += 2;
+#endif
         if ( height >= totalHeight )
         {
             height = totalHeight;
@@ -1084,8 +1126,21 @@ void wxOwnerDrawnComboBox::OnDrawItem( wxDC& dc,
 {
     if ( flags & wxODCB_PAINTING_CONTROL )
     {
-        dc.DrawText( GetValue(),
-                     rect.x + GetTextIndent(),
+        wxString text;
+
+        if ( !ShouldUseHintText() )
+        {
+            text = GetValue();
+        }
+        else
+        {
+            text = GetHint();
+            wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT);
+            dc.SetTextForeground(col);
+        }
+
+        dc.DrawText( text,
+                     rect.x + GetMargins().x,
                      (rect.height-dc.GetCharHeight())/2 + rect.y );
     }
     else