fix for IsAlive() called after Kill() or Exit()

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

diff --git a/src/msw/control.cpp b/src/msw/control.cpp
index 4ba67fba6ee48499e919f8436eaebf528daf736d..94cc8a9dc25155446a5cfd65f67f62174d2b59b4 100644 (file)
--- a/src/msw/control.cpp
+++ b/src/msw/control.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
+// Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -33,7 +33,7 @@
 
 #include "wx/msw/private.h"
 
-#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
     #include <commctrl.h>
 #endif
 
@@ -46,9 +46,6 @@ END_EVENT_TABLE()
 // Item members
 wxControl::wxControl()
 {
-    m_backgroundColour = *wxWHITE;
-    m_foregroundColour = *wxBLACK;
-
 #if WXWIN_COMPATIBILITY
     m_callback = 0;
 #endif // WXWIN_COMPATIBILITY
@@ -60,19 +57,33 @@ wxControl::~wxControl()
 }
 
 
-bool wxControl::Create(wxWindow *parent, wxWindowID id,
+bool wxControl::Create(wxWindow *parent,
+                       wxWindowID id,
                        const wxPoint& pos,
-                       const wxSize& size, long style,
+                       const wxSize& size,
+                       long style,
                        const wxValidator& validator,
                        const wxString& name)
 {
-    bool rval = wxWindow::Create(parent, id, pos, size, style, name);
-    if (rval) {
+    if ( !wxWindow::Create(parent, id, pos, size, style, name) )
+        return FALSE;
+
 #if wxUSE_VALIDATORS
-        SetValidator(validator);
+    SetValidator(validator);
 #endif
-    }
-    return rval;
+
+    return TRUE;
+}
+
+bool wxControl::MSWCreateControl(const wxChar *classname,
+                                 const wxString& label,
+                                 const wxPoint& pos,
+                                 const wxSize& size)
+{
+    WXDWORD exstyle;
+    WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle);
+
+    return MSWCreateControl(classname, msStyle, pos, size, label, exstyle);
 }
 
 bool wxControl::MSWCreateControl(const wxChar *classname,
@@ -82,21 +93,26 @@ bool wxControl::MSWCreateControl(const wxChar *classname,
                                  const wxString& label,
                                  WXDWORD exstyle)
 {
-    // want3D tells us whether or not the style specified a 3D border.
-    // If so, under WIN16 we can use Ctl3D to give it an appropriate style.
-    // Sometimes want3D is used to indicate that the non-extended style should have
-    // WS_BORDER.
-    bool want3D = TRUE;
-
     // if no extended style given, determine it ourselves
     if ( exstyle == (WXDWORD)-1 )
     {
-        exstyle = GetExStyle(style, &want3D);
+        exstyle = 0;
+        (void) MSWGetStyle(GetWindowStyle(), &exstyle);
     }
 
-    // all controls have these styles (wxWindows creates all controls visible
-    // by default)
-    style |= WS_CHILD | WS_VISIBLE;
+    // all controls should have this style
+    style |= WS_CHILD;
+
+    // create the control visible if it's currently shown for wxWindows
+    if ( m_isShown )
+    {
+        style |= WS_VISIBLE;
+    }
+
+    int x = pos.x == -1 ? 0 : pos.x,
+        y = pos.y == -1 ? 0 : pos.y,
+        w = size.x == -1 ? 0 : size.x,
+        h = size.y == -1 ? 0 : size.y;
 
     m_hWnd = (WXHWND)::CreateWindowEx
                        (
@@ -104,8 +120,7 @@ bool wxControl::MSWCreateControl(const wxChar *classname,
                         classname,          // the kind of control to create
                         label,              // the window name
                         style,              // the window style
-                        pos.x, pos.y,       // the window position
-                        size.x, size.y,     //            and size
+                        x, y, w, h,         // the window position and size
                         GetHwndOf(GetParent()),  // parent
                         (HMENU)GetId(),     // child id
                         wxGetInstance(),    // app instance
@@ -128,15 +143,29 @@ bool wxControl::MSWCreateControl(const wxChar *classname,
     }
 #endif // wxUSE_CTL3D
 
-    // subclass again for purposes of dialog editing mode
+    // install wxWindows window proc for this window
     SubclassWin(m_hWnd);
 
     // controls use the same font and colours as their parent dialog by default
     InheritAttributes();
 
+    // set the size now if no initial size specified
+    if ( w <= 0 || h <= 0 )
+    {
+        SetBestSize(size);
+    }
+
     return TRUE;
 }
 
+wxBorder wxControl::GetDefaultBorder() const
+{
+    // we want to automatically give controls a sunken style (confusingly,
+    // it may not really mean sunken at all as we map it to WS_EX_CLIENTEDGE
+    // which is not sunken at all under Windows XP -- rather, just the default)
+    return wxBORDER_SUNKEN;
+}
+
 wxSize wxControl::DoGetBestSize() const
 {
     return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT);
@@ -247,11 +276,6 @@ WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED
 #endif // wxUSE_CTL3D
 
     HDC hdc = (HDC)pDC;
-    if (GetParent()->GetTransparentBackground())
-        SetBkMode(hdc, TRANSPARENT);
-    else
-        SetBkMode(hdc, OPAQUE);
-
     wxColour colBack = GetBackgroundColour();
 
     ::SetBkColor(hdc, wxColourToRGB(colBack));
@@ -262,16 +286,16 @@ WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED
     return (WXHBRUSH)brush->GetResourceHandle();
 }
 
-WXDWORD wxControl::GetExStyle(WXDWORD& style, bool *want3D) const
+WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
-    WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, want3D);
+    long msStyle = wxWindow::MSWGetStyle(style, exstyle);
 
-    // Even with extended styles, need to combine with WS_BORDER for them to
-    // look right.
-    if ( *want3D || wxStyleHasBorder(m_windowStyle) )
-        style |= WS_BORDER;
+    if ( AcceptsFocus() )
+    {
+        msStyle |= WS_TABSTOP;
+    }
 
-    return exStyle;
+    return msStyle;
 }
 
 // ---------------------------------------------------------------------------