remove always-true test of unsigned >= 0

[wxWidgets.git] / src / os2 / control.cpp

diff --git a/src/os2/control.cpp b/src/os2/control.cpp
index f15982c04a6200b38ebc5122fd6ac148c568930a..4b4ecbb55c764e2cc431a6c6164bdca29c2557ad 100644 (file)
--- a/src/os2/control.cpp
+++ b/src/os2/control.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        control.cpp
+// Name:        src/os2/control.cpp
 // Purpose:     wxControl class
 // Author:      David Webster
 // Modified by:
@@ -12,15 +12,18 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#include "wx/control.h"
+
 #ifndef WX_PRECOMP
-#include "wx/event.h"
-#include "wx/app.h"
-#include "wx/dcclient.h"
-#include "wx/scrolwin.h"
-#include "wx/log.h"
+    #include "wx/event.h"
+    #include "wx/app.h"
+    #include "wx/dcclient.h"
+    #include "wx/scrolwin.h"
+    #include "wx/log.h"
 #endif
+
+#include "wx/os2/dc.h"
 #include "wx/os2/private.h"
-#include "wx/control.h"
 
 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
 
@@ -33,15 +36,13 @@ wxControl::wxControl()
 {
 } // end of wxControl::wxControl
 
-bool wxControl::Create(
-  wxWindow*                         pParent
-, wxWindowID                        vId
-, const wxPoint&                    rPos
-, const wxSize&                     rSize
-, long                              lStyle
-, const wxValidator&                rValidator
-, const wxString&                   rsName
-)
+bool wxControl::Create( wxWindow*           pParent,
+                        wxWindowID          vId,
+                        const wxPoint&      rPos,
+                        const wxSize&       rSize,
+                        long                lStyle,
+                        const wxValidator&  rValidator,
+                        const wxString&     rsName )
 {
     bool                            bRval = wxWindow::Create( pParent
                                                              ,vId
@@ -59,23 +60,14 @@ bool wxControl::Create(
     return bRval;
 } // end of wxControl::Create
 
-wxControl::~wxControl()
-{
-    m_isBeingDeleted = true;
-}
-
-bool wxControl::OS2CreateControl(
-  const wxChar*                     zClassname
-, const wxString&                   rsLabel
-, const wxPoint&                    rPos
-, const wxSize&                     rSize
-, long                              lStyle
-)
+bool wxControl::OS2CreateControl( const wxChar* zClassname,
+                                  const wxString& rsLabel,
+                                  const wxPoint& rPos,
+                                  const wxSize& rSize,
+                                  long lStyle )
 {
-    WXDWORD                         dwExstyle;
-    WXDWORD                         dwStyle = OS2GetStyle( lStyle
-                                                          ,&dwExstyle
-                                                         );
+    WXDWORD dwExstyle;
+    WXDWORD dwStyle = OS2GetStyle( lStyle, &dwExstyle );
 
     return OS2CreateControl( zClassname
                             ,dwStyle
@@ -108,29 +100,39 @@ bool wxControl::OS2CreateControl( const wxChar*   zClassname,
     if (m_isShown )
         dwStyle |= WS_VISIBLE;
 
-    wxWindow*                       pParent = GetParent();
-    PSZ                             zClass = "";
+    wxWindow* pParent = GetParent();
+    PSZ zClass = "";
 
     if (!pParent)
-        return FALSE;
+        return false;
 
-    if ((wxStrcmp(zClassname, _T("COMBOBOX"))) == 0)
+    if ((wxStrcmp(zClassname, wxT("COMBOBOX"))) == 0)
         zClass = WC_COMBOBOX;
-    else if ((wxStrcmp(zClassname, _T("STATIC"))) == 0)
+    else if ((wxStrcmp(zClassname, wxT("STATIC"))) == 0)
         zClass = WC_STATIC;
-    else if ((wxStrcmp(zClassname, _T("BUTTON"))) == 0)
+    else if ((wxStrcmp(zClassname, wxT("BUTTON"))) == 0)
         zClass = WC_BUTTON;
-    else if ((wxStrcmp(zClassname, _T("NOTEBOOK"))) == 0)
+    else if ((wxStrcmp(zClassname, wxT("NOTEBOOK"))) == 0)
         zClass = WC_NOTEBOOK;
-    else if ((wxStrcmp(zClassname, _T("CONTAINER"))) == 0)
+    else if ((wxStrcmp(zClassname, wxT("CONTAINER"))) == 0)
         zClass = WC_CONTAINER;
-    dwStyle |= WS_VISIBLE;
+    if ((zClass == WC_STATIC) || (zClass == WC_BUTTON))
+        dwStyle |= DT_MNEMONIC;
+
+    m_dwStyle = dwStyle;
+    m_label = rsLabel;
+    wxString label;
+    if (dwStyle & DT_MNEMONIC)
+        label = ::wxPMTextToLabel(m_label);
+    else
+        label = m_label;
 
-    wxString                        sLabel = ::wxPMTextToLabel(rsLabel);
+    // clipping siblings does not yet work
+    dwStyle &= ~WS_CLIPSIBLINGS;
 
     m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
-                                       ,(PSZ)zClass              // Window class
-                                       ,(PSZ)sLabel.c_str()      // Initial Text
+                                       ,zClass              // Window class
+                                       ,label.c_str()       // Initial Text
                                        ,(ULONG)dwStyle           // Style flags
                                        ,(LONG)0                  // X pos of origin
                                        ,(LONG)0                  // Y pos of origin
@@ -145,11 +147,9 @@ bool wxControl::OS2CreateControl( const wxChar*   zClassname,
 
     if ( !m_hWnd )
     {
-#ifdef __WXDEBUG__
         wxLogError(wxT("Failed to create a control of class '%s'"), zClassname);
-#endif // DEBUG
 
-        return FALSE;
+        return false;
     }
     //
     // Subclass again for purposes of dialog editing mode
@@ -167,11 +167,7 @@ bool wxControl::OS2CreateControl( const wxChar*   zClassname,
 
     SetXComp(0);
     SetYComp(0);
-    SetSize( rPos.x
-            ,rPos.y
-            ,rSize.x
-            ,rSize.y
-           );
+    SetSize( rPos.x, rPos.y, rSize.x, rSize.y );
     return true;
 } // end of wxControl::OS2CreateControl
 
@@ -182,7 +178,7 @@ wxSize wxControl::DoGetBestSize() const
 
 bool wxControl::ProcessCommand(wxCommandEvent& event)
 {
-    return GetEventHandler()->ProcessEvent(event);
+    return HandleWindowEvent(event);
 }
 
 WXHBRUSH wxControl::OnCtlColor(WXHDC    hWxDC,
@@ -210,12 +206,11 @@ WXHBRUSH wxControl::OnCtlColor(WXHDC    hWxDC,
     return (WXHBRUSH)pBrush->GetResourceHandle();
 } // end of wxControl::OnCtlColor
 
-void wxControl::OnEraseBackground(
-  wxEraseEvent&                     rEvent
-)
+void wxControl::OnEraseBackground( wxEraseEvent& rEvent )
 {
     RECTL                           vRect;
-    HPS                             hPS = rEvent.GetDC()->GetHPS();
+    wxPMDCImpl                     *impl = (wxPMDCImpl*) rEvent.GetDC()->GetImpl();
+    HPS                             hPS = impl->GetHPS();
     SIZEL                           vSize = {0,0};
 
     ::GpiSetPS(hPS, &vSize, PU_PELS | GPIF_DEFAULT);
@@ -223,29 +218,29 @@ void wxControl::OnEraseBackground(
     ::WinFillRect(hPS, &vRect, GetBackgroundColour().GetPixel());
 } // end of wxControl::OnEraseBackground
 
-WXDWORD wxControl::OS2GetStyle(
-  long                              lStyle
-, WXDWORD*                          pdwExstyle
-) const
+WXDWORD wxControl::OS2GetStyle( long lStyle, WXDWORD* pdwExstyle ) const
 {
-    long                            dwStyle = wxWindow::OS2GetStyle( lStyle
-                                                                    ,pdwExstyle
-                                                                   );
+    long dwStyle = wxWindow::OS2GetStyle( lStyle, pdwExstyle );
 
-    if (AcceptsFocus())
+    if (AcceptsFocusFromKeyboard())
     {
         dwStyle |= WS_TABSTOP;
     }
     return dwStyle;
 } // end of wxControl::OS2GetStyle
 
-void wxControl::SetLabel(
-  const wxString&                   rsLabel
-)
+void wxControl::SetLabel( const wxString& rsLabel )
 {
-    wxString                        sLabel = ::wxPMTextToLabel(rsLabel);
-
-    ::WinSetWindowText(GetHwnd(), (PSZ)sLabel.c_str());
+    if(rsLabel != m_label)
+    {
+        m_label = rsLabel;
+        wxString label;
+        if (m_dwStyle & DT_MNEMONIC)
+            label = ::wxPMTextToLabel(m_label);
+        else
+            label = m_label;
+        ::WinSetWindowText(GetHwnd(), label.c_str());
+    }
 } // end of wxControl::SetLabel
 
 // ---------------------------------------------------------------------------