Various changes to make pop up menus work

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

diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index a6144b1da21cfd3df3ea448ef044b117077bdf09..fc53d9298daf0b914f3ff3b2845f503e1819197d 100644 (file)
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -28,16 +28,19 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_CHOICE
+

 #ifndef WX_PRECOMP
     #include "wx/choice.h"
     #include "wx/utils.h"
     #include "wx/log.h"
 #ifndef WX_PRECOMP
     #include "wx/choice.h"
     #include "wx/utils.h"
     #include "wx/log.h"

+    #include "wx/brush.h"

     #include "wx/settings.h"
 #endif
 
 #include "wx/msw/private.h"
 
     #include "wx/settings.h"
 #endif
 
 #include "wx/msw/private.h"
 

-    IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -59,24 +62,28 @@ bool wxChoice::Create(wxWindow *parent,
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return FALSE;
 
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return FALSE;
 

-    long msStyle = WS_CHILD | CBS_DROPDOWNLIST | WS_TABSTOP | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL;
+    long msStyle = WS_CHILD | CBS_DROPDOWNLIST | WS_TABSTOP | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL /* | WS_CLIPSIBLINGS */;

     if ( style & wxCB_SORT )
         msStyle |= CBS_SORT;
 
     if ( style & wxCB_SORT )
         msStyle |= CBS_SORT;
 

-    // the experience shows that wxChoice vs. wxComboBox distinction confuses
+    if ( style & wxCLIP_SIBLINGS )
+        msStyle |= WS_CLIPSIBLINGS;
+
+
+    // Experience shows that wxChoice vs. wxComboBox distinction confuses

     // quite a few people - try to help them
     wxASSERT_MSG( !(style & wxCB_DROPDOWN) &&
                   !(style & wxCB_READONLY) &&
                   !(style & wxCB_SIMPLE),
     // quite a few people - try to help them
     wxASSERT_MSG( !(style & wxCB_DROPDOWN) &&
                   !(style & wxCB_READONLY) &&
                   !(style & wxCB_SIMPLE),

-                  wxT("this style flag is ignored by wxChoice, you "
-                     "probably want to use a wxComboBox") );
+                  _T("this style flag is ignored by wxChoice, you ")
+                  _T("probably want to use a wxComboBox") );

 
     if ( !MSWCreateControl(wxT("COMBOBOX"), msStyle) )
         return FALSE;
 
     // A choice/combobox normally has a white background (or other, depending
     // on global settings) rather than inheriting the parent's background colour.
 
     if ( !MSWCreateControl(wxT("COMBOBOX"), msStyle) )
         return FALSE;
 
     // 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++ )
     {
 
     for ( int i = 0; i < n; i++ )
     {


@@ -102,7 +109,7 @@ int wxChoice::DoAppend(const wxString& item)
     int n = (int)SendMessage(GetHwnd(), CB_ADDSTRING, 0, (LONG)item.c_str());
     if ( n == CB_ERR )
     {
     int n = (int)SendMessage(GetHwnd(), CB_ADDSTRING, 0, (LONG)item.c_str());
     if ( n == CB_ERR )
     {

-        wxLogLastError("SendMessage(CB_ADDSTRING)");
+        wxLogLastError(wxT("SendMessage(CB_ADDSTRING)"));

     }
 
     return n;
     }
 
     return n;


@@ -186,12 +193,9 @@ int wxChoice::FindString(const wxString& s) const
 
 void wxChoice::SetString(int n, const wxString& 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
 }
 
 wxString wxChoice::GetString(int n) const


@@ -201,7 +205,7 @@ wxString wxChoice::GetString(int n) const
     if (len) {
         if ( ::SendMessage(GetHwnd(), CB_GETLBTEXT, n,
                            (LPARAM)str.GetWriteBuf(len)) == CB_ERR ) {
     if (len) {
         if ( ::SendMessage(GetHwnd(), CB_GETLBTEXT, n,
                            (LPARAM)str.GetWriteBuf(len)) == CB_ERR ) {

-            wxLogLastError("SendMessage(CB_GETLBTEXT)");
+            wxLogLastError(wxT("SendMessage(CB_GETLBTEXT)"));

         }
         str.UngetWriteBuf();
     }
         }
         str.UngetWriteBuf();
     }


@@ -249,8 +253,26 @@ wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 // wxMSW specific helpers
 // ----------------------------------------------------------------------------
 
 // 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,
 void wxChoice::DoSetSize(int x, int y,

-                         int width, int height,
+                         int width, int WXUNUSED(height),

                          int sizeFlags)
 {
     // Ignore height parameter because height doesn't mean 'initially
                          int sizeFlags)
 {
     // Ignore height parameter because height doesn't mean 'initially


@@ -337,3 +359,43 @@ bool wxChoice::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
     return TRUE;
 }
 
     return TRUE;
 }
 

+WXHBRUSH wxChoice::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+#if wxUSE_CTL3D
+                               WXUINT message,
+                               WXWPARAM wParam,
+                               WXLPARAM lParam
+#else
+                               WXUINT WXUNUSED(message),
+                               WXWPARAM WXUNUSED(wParam),
+                               WXLPARAM WXUNUSED(lParam)
+#endif
+     )
+{
+#if wxUSE_CTL3D
+    if ( m_useCtl3D )
+    {
+        HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
+        return (WXHBRUSH) hbrush;
+    }
+#endif // wxUSE_CTL3D
+
+    HDC hdc = (HDC)pDC;
+    if (GetParent()->GetTransparentBackground())
+        SetBkMode(hdc, TRANSPARENT);
+    else
+        SetBkMode(hdc, OPAQUE);
+
+    wxColour colBack = GetBackgroundColour();
+
+    if (!IsEnabled())
+        colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+
+    ::SetBkColor(hdc, wxColourToRGB(colBack));
+    ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+
+    wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
+
+    return (WXHBRUSH)brush->GetResourceHandle();
+}
+
+#endif // wxUSE_CHOICE