generate key events for Space/Enter in addition to the activate events, as wxMSW...

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

diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index 41e23a5ece2874932622de928d43335a8f1d0a6c..f57a180cac5f8c8bcfd48db768e8f0f6f9ea7ce5 100644 (file)
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -28,6 +28,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_CHOICE
+
 #ifndef WX_PRECOMP
     #include "wx/choice.h"
     #include "wx/utils.h"
@@ -38,7 +40,7 @@
 
 #include "wx/msw/private.h"
 
-    IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
 
 // ============================================================================
 // implementation
@@ -81,7 +83,7 @@ bool wxChoice::Create(wxWindow *parent,
 
     // A choice/combobox normally has a white background (or other, depending
     // on global settings) rather than inheriting the parent's background colour.
-    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 
     for ( int i = 0; i < n; i++ )
     {
@@ -189,25 +191,31 @@ int wxChoice::FindString(const wxString& s) const
 #endif // Watcom/!Watcom
 }
 
-void wxChoice::SetString(int WXUNUSED(n), const wxString& WXUNUSED(s))
+void wxChoice::SetString(int n, const wxString& s)
 {
-    wxFAIL_MSG(wxT("not implemented"));
-
-#if 0 // should do this, but no Insert() so far
-    Delete(n);
-    Insert(n + 1, s);
-#endif
+    wxCHECK_RET( (n>=0)&&(n<GetCount()), wxT("invalid item index in wxChoice::SetString") );
+    SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
+    SendMessage(GetHwnd(), CB_INSERTSTRING, n, (LONG)s.c_str() );
 }
 
 wxString wxChoice::GetString(int n) const
 {
-    size_t len = (size_t)::SendMessage(GetHwnd(), CB_GETLBTEXTLEN, n, 0);
+    int len = (int)::SendMessage(GetHwnd(), CB_GETLBTEXTLEN, n, 0);
+
     wxString str;
-    if (len) {
-        if ( ::SendMessage(GetHwnd(), CB_GETLBTEXT, n,
-                           (LPARAM)str.GetWriteBuf(len)) == CB_ERR ) {
+    if ( len != CB_ERR && len > 0 )
+    {
+        if ( ::SendMessage
+               (
+                GetHwnd(),
+                CB_GETLBTEXT,
+                n,
+                (LPARAM)(wxChar *)wxStringBuffer(str, len)
+               ) == CB_ERR )
+        {
             wxLogLastError(wxT("SendMessage(CB_GETLBTEXT)"));
         }
+
         str.UngetWriteBuf();
     }
 
@@ -254,6 +262,24 @@ wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 // wxMSW specific helpers
 // ----------------------------------------------------------------------------
 
+void wxChoice::DoMoveWindow(int x, int y, int width, int height)
+{
+    // here is why this is necessary: if the width is negative, the combobox
+    // window proc makes the window of the size width*height instead of
+    // interpreting height in the usual manner (meaning the height of the drop
+    // down list - usually the height specified in the call to MoveWindow()
+    // will not change the height of combo box per se)
+    //
+    // this behaviour is not documented anywhere, but this is just how it is
+    // here (NT 4.4) and, anyhow, the check shouldn't hurt - however without
+    // the check, constraints/sizers using combos may break the height
+    // constraint will have not at all the same value as expected
+    if ( width < 0 )
+        return;
+
+    wxControl::DoMoveWindow(x, y, width, height);
+}
+
 void wxChoice::DoSetSize(int x, int y,
                          int width, int WXUNUSED(height),
                          int sizeFlags)
@@ -263,6 +289,7 @@ void wxChoice::DoSetSize(int x, int y,
     // wxWindows interpretation is different; also, getting the size returns
     // the _displayed_ size (NOT the drop down menu size) so
     // setting-getting-setting size would not work.
+
     wxControl::DoSetSize(x, y, width, -1, sizeFlags);
 }
 
@@ -371,7 +398,7 @@ WXHBRUSH wxChoice::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(
     wxColour colBack = GetBackgroundColour();
 
     if (!IsEnabled())
-        colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+        colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 
     ::SetBkColor(hdc, wxColourToRGB(colBack));
     ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
@@ -381,4 +408,4 @@ WXHBRUSH wxChoice::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(
     return (WXHBRUSH)brush->GetResourceHandle();
 }
 
-
+#endif // wxUSE_CHOICE