X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cb0afb266214f827417c42474168c7edda7c953e..a9fc5eec8b1facb001552e61e28c88a22034f199:/src/msw/combobox.cpp

diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp
index a01a5d9d24..6e07138a37 100644
--- a/src/msw/combobox.cpp
+++ b/src/msw/combobox.cpp
@@ -98,11 +98,11 @@ wxBEGIN_PROPERTIES_TABLE(wxComboBox)
     wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
 
     // TODO DELEGATES
-	wxPROPERTY( Font , wxFont , SetFont , GetFont  , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+	wxPROPERTY( Font , wxFont , SetFont , GetFont  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
     wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-	wxPROPERTY( Value ,wxString, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-	wxPROPERTY( Selection ,int, SetSelection, GetSelection, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+	wxPROPERTY( Value ,wxString, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+	wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 wxEND_PROPERTIES_TABLE()
 
 wxBEGIN_HANDLERS_TABLE(wxComboBox)
@@ -127,7 +127,7 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
 // ---------------------------------------------------------------------------
 
 // the pointer to standard radio button wnd proc
-static WXFARPROC gs_wndprocEdit = (WXFARPROC)NULL;
+static WNDPROC gs_wndprocEdit = (WNDPROC)NULL;
 
 // ============================================================================
 // implementation
@@ -213,11 +213,12 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
     return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam);
 }
 
-WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
-                               WXUINT WXUNUSED(message),
-                               WXWPARAM WXUNUSED(wParam),
-                               WXLPARAM WXUNUSED(lParam)
-    )
+WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC,
+                                WXHWND WXUNUSED(pWnd),
+                                WXUINT WXUNUSED(nCtlColor),
+                                WXUINT WXUNUSED(message),
+                                WXWPARAM WXUNUSED(wParam),
+                                WXLPARAM WXUNUSED(lParam))
 {
     HDC hdc = (HDC)pDC;
     wxColour colBack = GetBackgroundColour();
@@ -234,9 +235,30 @@ WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSE
 }
 
 // ----------------------------------------------------------------------------
-// wxComboBox
+// wxComboBox callbacks
 // ----------------------------------------------------------------------------
 
+WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+    // handle WM_CTLCOLOR messages from our EDIT control to be able to set its
+    // colour correctly (to be the same as our own one)
+    switch ( nMsg )
+    {
+        // we have to handle both: one for the normal case and the other for
+        // wxCB_READONLY
+        case WM_CTLCOLOREDIT:
+        case WM_CTLCOLORSTATIC:
+            WXWORD nCtlColor;
+            WXHDC hdc;
+            WXHWND hwnd;
+            UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
+
+            return (WXLRESULT)OnCtlColor(hdc, hwnd, nCtlColor, nMsg, wParam, lParam);
+    }
+
+    return wxChoice::MSWWindowProc(nMsg, wParam, lParam);
+}
+
 bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
 {
     switch ( msg )
@@ -311,6 +333,14 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
                 }
                 else // we're synthesizing text updated event from sel change
                 {
+                    // We need to retrieve the current selection because the user
+                    // may have changed it in the previous handler (for CBN_SELCHANGE
+                    // above).
+                    sel = GetSelection();
+                    if ( sel > -1 )
+                    {
+                        value = GetString(sel);
+                    }
                     // we need to do this because the user code expects
                     // wxComboBox::GetValue() to return the new value from
                     // "text updated" handler but it hadn't been updated yet
@@ -347,6 +377,10 @@ WXHWND wxComboBox::GetEditHWND() const
     return (WXHWND)hwndEdit;
 }
 
+// ----------------------------------------------------------------------------
+// wxComboBox creation
+// ----------------------------------------------------------------------------
+
 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                         const wxString& value,
                         const wxPoint& pos,
@@ -361,62 +395,23 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
     // some noticeable flicker while the control rearranges itself
     m_isShown = FALSE;
 
-    // first create wxWin object
-    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
-        return FALSE;
-
-    // get the right style
-    long msStyle = WS_TABSTOP | WS_VSCROLL | WS_HSCROLL |
-                   CBS_AUTOHSCROLL | CBS_NOINTEGRALHEIGHT /* | WS_CLIPSIBLINGS */;
-    if ( style & wxCB_READONLY )
-        msStyle |= CBS_DROPDOWNLIST;
-#ifndef __WXWINCE__
-    else if ( style & wxCB_SIMPLE )
-        msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
-#endif
-    else
-        msStyle |= CBS_DROPDOWN;
-
-    if ( style & wxCB_SORT )
-        msStyle |= CBS_SORT;
-
-    if ( style & wxCLIP_SIBLINGS )
-        msStyle |= WS_CLIPSIBLINGS;
-
-
-    // and now create the MSW control
-    if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) )
+    if ( !CreateAndInit(parent, id, pos, size, n, choices, style,
+                        validator, name) )
         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::GetColour(wxSYS_COLOUR_WINDOW));
-
-    for ( int i = 0; i < n; i++ )
-    {
-        Append(choices[i]);
-    }
-
-    if ( !value.IsEmpty() )
-    {
+    // we shouldn't call SetValue() for an empty string because this would
+    // (correctly) result in an assert with a read only combobox and is useless
+    // for the other ones anyhow
+    if ( !value.empty() )
         SetValue(value);
-    }
-
-    // do this after appending the values to the combobox so that autosizing
-    // works correctly
-    SetSize(pos.x, pos.y, size.x, size.y);
 
     // a (not read only) combobox is, in fact, 2 controls: the combobox itself
     // and an edit control inside it and if we want to catch events from this
     // edit control, we must subclass it as well
     if ( !(style & wxCB_READONLY) )
     {
-        gs_wndprocEdit = (WXFARPROC)::SetWindowLong
-                                      (
-                                        (HWND)GetEditHWND(),
-                                        GWL_WNDPROC,
-                                        (LPARAM)wxComboEditWndProc
-                                      );
+        gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(),
+                                         wxComboEditWndProc);
     }
 
     // and finally, show the control
@@ -425,6 +420,52 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
     return TRUE;
 }
 
+bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
+                        const wxString& value,
+                        const wxPoint& pos,
+                        const wxSize& size,
+                        const wxArrayString& choices,
+                        long style,
+                        const wxValidator& validator,
+                        const wxString& name)
+{
+    wxCArrayString chs(choices);
+    return Create(parent, id, value, pos, size, chs.GetCount(),
+                  chs.GetStrings(), style, validator, name);
+}
+
+WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    // we never have an external border
+    WXDWORD msStyle = wxChoice::MSWGetStyle
+                      (
+                        (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
+                      );
+
+    // remove the style always added by wxChoice
+    msStyle &= ~CBS_DROPDOWNLIST;
+
+    if ( style & wxCB_READONLY )
+        msStyle |= CBS_DROPDOWNLIST;
+#ifndef __WXWINCE__
+    else if ( style & wxCB_SIMPLE )
+        msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
+#endif
+    else
+        msStyle |= CBS_DROPDOWN;
+
+    // there is no reason to not always use CBS_AUTOHSCROLL, so do use it
+    msStyle |= CBS_AUTOHSCROLL;
+
+    // NB: we used to also add CBS_NOINTEGRALHEIGHT here but why?
+
+    return msStyle;
+}
+
+// ----------------------------------------------------------------------------
+// wxComboBox text control-like methods
+// ----------------------------------------------------------------------------
+
 void wxComboBox::SetValue(const wxString& value)
 {
     if ( HasFlag(wxCB_READONLY) )
@@ -540,18 +581,11 @@ void wxComboBox::SetSelection(long from, long to)
       toChar = -1;
     }
 
-    if (
-#ifdef __WIN32__
-    SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar))
-#else // Win16
-    SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar)
-#endif
-        == CB_ERR )
+    if ( SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) == CB_ERR )
     {
         wxLogDebug(_T("CB_SETEDITSEL failed"));
     }
 }
 
-#endif
- // wxUSE_COMBOBOX
+#endif // wxUSE_COMBOBOX