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[wxWidgets.git] / src / msw / choice.cpp

diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index 18949f021295347dcc28a402b5da91125716b5e4..956e0e418c50a4af339d7de8c2e9a935ebff398c 100644 (file)
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -6,7 +6,7 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -48,24 +48,24 @@ bool wxChoice::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
            const wxPoint& pos,
            const wxSize& size,
-                  int n, const wxString choices[],
-                  long style,
+       int n, const wxString choices[],
+       long style,
            const wxValidator& validator,
            const wxString& name)
 {
   SetName(name);
   SetValidator(validator);
   if (parent) parent->AddChild(this);
-  SetBackgroundColour(parent->GetDefaultBackgroundColour()) ;
-  SetForegroundColour(parent->GetDefaultForegroundColour()) ;
-  no_strings = n;
+  SetBackgroundColour(parent->GetBackgroundColour()) ;
+  SetForegroundColour(parent->GetForegroundColour()) ;
+  m_noStrings = n;
 
   m_windowStyle = style;
 
   if ( id == -1 )
-       m_windowId = (int)NewControlId();
+    m_windowId = (int)NewControlId();
   else
-       m_windowId = id;
+  m_windowId = id;
 
   int x = pos.x;
   int y = pos.y;
@@ -82,14 +82,16 @@ bool wxChoice::Create(wxWindow *parent, wxWindowID id,
 
   // Even with extended styles, need to combine with WS_BORDER
   // for them to look right.
-  if (want3D || (m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
-       (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER))
+  if ( want3D || wxStyleHasBorder(m_windowStyle) )
     msStyle |= WS_BORDER;
 
-  HWND wx_combo = CreateWindowEx(exStyle, "COMBOBOX", NULL,
+  m_hWnd = (WXHWND)::CreateWindowEx(exStyle, "COMBOBOX", NULL,
                    msStyle,
                    0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
                    wxGetInstance(), NULL);
+
+  wxCHECK_MSG( m_hWnd, FALSE, "Failed to create combobox" );
+
 /*
 #if CTL3D
   if (want3D)
@@ -100,17 +102,17 @@ bool wxChoice::Create(wxWindow *parent, wxWindowID id,
 #endif
 */
 
-  m_hWnd = (WXHWND) wx_combo;
-
   // Subclass again for purposes of dialog editing mode
-  SubclassWin((WXHWND) wx_combo);
+  SubclassWin(m_hWnd);
 
   SetFont(* parent->GetFont());
 
   int i;
   for (i = 0; i < n; i++)
-    SendMessage(wx_combo, CB_INSERTSTRING, i, (LONG)(const char *)choices[i]);
-  SendMessage(wx_combo, CB_SETCURSEL, i, 0);
+  {
+    Append(choices[i]);
+  }
+  SetSelection(n);
 
   SetSize(x, y, width, height);
 
@@ -121,19 +123,19 @@ void wxChoice::Append(const wxString& item)
 {
   SendMessage((HWND) GetHWND(), CB_ADDSTRING, 0, (LONG)(const char *)item);
 
-  no_strings ++;
+  m_noStrings ++;
 }
 
 void wxChoice::Delete(int n)
 {
-  no_strings = (int)SendMessage((HWND) GetHWND(), CB_DELETESTRING, n, 0);
+  m_noStrings = (int)SendMessage((HWND) GetHWND(), CB_DELETESTRING, n, 0);
 }
 
 void wxChoice::Clear(void)
 {
   SendMessage((HWND) GetHWND(), CB_RESETCONTENT, 0, 0);
 
-  no_strings = 0;
+  m_noStrings = 0;
 }
 
 
@@ -204,7 +206,7 @@ void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
   int cy;
   wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
 
-  float control_width, control_height;
+  int control_width, control_height;
 
   // Ignore height parameter because height doesn't
   // mean 'initially displayed' height, it refers to the
@@ -218,53 +220,57 @@ void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
   if (width <= 0)
   {
     // Find the longest string
-    if (no_strings == 0)
-      control_width = (float)100.0;
+    if (m_noStrings == 0)
+    {
+      control_width = 100;
+    }
     else
     {
       int len, ht;
-      float longest = (float)0.0;
+      int longest = 0;
       int i;
-      for (i = 0; i < no_strings; i++)
+      for (i = 0; i < m_noStrings; i++)
       {
         wxString str(GetString(i));
         GetTextExtent(str, &len, &ht, NULL, NULL,GetFont());
-        if ( len > longest) longest = len;
+        if ( len > longest)
+            longest = len;
       }
 
-      control_width = (float)(int)(longest + cx*5);
+      control_width = longest + cx*5;
     }
   }
 
   // Choice drop-down list depends on number of items (limited to 10)
   if (h1 <= 0)
   {
-    if (no_strings == 0)
-      h1 = (int)(EDIT_CONTROL_FACTOR*cy*10.0);
-    else h1 = (int)(EDIT_CONTROL_FACTOR*cy*(wxMin(10, no_strings) + 1));
+    if (m_noStrings == 0)
+        h1 = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*10;
+    else
+        h1 = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*(wxMin(10, m_noStrings) + 1);
   }
 
   // If non-default width...
-  if (width >= 0)
-    control_width = (float)width;
+  if (w1 >= 0)
+    control_width = w1;
 
-  control_height = (float)h1;
+  control_height = h1;
 
   // Calculations may have made text size too small
   if (control_height <= 0)
-    control_height = (float)(int)(cy*EDIT_CONTROL_FACTOR) ;
+    control_height = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 
   if (control_width <= 0)
-    control_width = (float)100.0;
+    control_width = 100;
 
-  MoveWindow((HWND) GetHWND(), x1, y1,
-                              (int)control_width, (int)control_height, TRUE);
+  MoveWindow((HWND)GetHWND(), x1, y1,
+             control_width, control_height, TRUE);
 }
 
 WXHBRUSH wxChoice::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
-                       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+      WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 {
-       return 0;
+  return 0;
 }
 
 long wxChoice::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)