don't pass unnecessary arguments to FindOrCreateBrush/Pen()

[wxWidgets.git] / include / wx / msw / private.h

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 52c924ae09e89a4d8216211a12f56a9e496343ef..4bed1f04b88e43d6cbf03126a16e47de99bc3523 100644 (file)
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -23,9 +23,9 @@
 
 #include "wx/log.h"
 
-class WXDLLEXPORT wxFont;
-class WXDLLEXPORT wxWindow;
-class WXDLLEXPORT wxWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxFont;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
 
 // ---------------------------------------------------------------------------
 // private constants
@@ -311,21 +311,32 @@ HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY);
     #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
 #endif // GET_X_LPARAM
 
-// get the current state of SHIFT/CTRL keys
-inline bool wxIsShiftDown()
+// get the current state of SHIFT/CTRL/ALT keys
+inline bool wxIsModifierDown(int vk)
 {
-//    return (::GetKeyState(VK_SHIFT) & 0x100) != 0;
-    // Returns different negative values on WinME and WinNT,
+    // GetKeyState() returns different negative values on WinME and WinNT,
     // so simply test for negative value.
-    return ::GetKeyState(VK_SHIFT) < 0;
+    return ::GetKeyState(vk) < 0;
+}
+
+inline bool wxIsShiftDown()
+{
+    return wxIsModifierDown(VK_SHIFT);
 }
 
 inline bool wxIsCtrlDown()
 {
-//    return (::GetKeyState(VK_CONTROL) & 0x100) != 0;
-    // Returns different negative values on WinME and WinNT,
-    // so simply test for negative value.
-    return ::GetKeyState(VK_CONTROL) < 0;
+    return wxIsModifierDown(VK_CONTROL);
+}
+
+inline bool wxIsAltDown()
+{
+    return wxIsModifierDown(VK_MENU);
+}
+
+inline bool wxIsAnyModifierDown()
+{
+    return wxIsShiftDown() || wxIsCtrlDown() || wxIsAltDown();
 }
 
 // wrapper around GetWindowRect() and GetClientRect() APIs doing error checking
@@ -586,7 +597,7 @@ private:
         HDCMapModeChanger wxMAKE_UNIQUE_NAME(wxHDCMapModeChanger)(hdc, mm)
 #endif // __WXWINCE__/!__WXWINCE__
 
-// smart buffeer using GlobalAlloc/GlobalFree()
+// smart pointer using GlobalAlloc/GlobalFree()
 class GlobalPtr
 {
 public:
@@ -619,16 +630,36 @@ private:
 class GlobalPtrLock
 {
 public:
-    GlobalPtrLock(HGLOBAL hGlobal) : m_hGlobal(hGlobal)
+    // default ctor, use Init() later -- should only be used if the HGLOBAL can
+    // be NULL (in which case Init() shouldn't be called)
+    GlobalPtrLock()
+    {
+        m_hGlobal = NULL;
+        m_ptr = NULL;
+    }
+
+    // initialize the object, may be only called if we were created using the
+    // default ctor; HGLOBAL must not be NULL
+    void Init(HGLOBAL hGlobal)
     {
+        m_hGlobal = hGlobal;
+
+        // NB: GlobalLock() is a macro, not a function, hence don't use the
+        //     global scope operator with it (and neither with GlobalUnlock())
         m_ptr = GlobalLock(hGlobal);
         if ( !m_ptr )
             wxLogLastError(_T("GlobalLock"));
     }
 
+    // initialize the object, HGLOBAL must not be NULL
+    GlobalPtrLock(HGLOBAL hGlobal)
+    {
+        Init(hGlobal);
+    }
+
     ~GlobalPtrLock()
     {
-        if ( !GlobalUnlock(m_hGlobal) )
+        if ( m_hGlobal && !GlobalUnlock(m_hGlobal) )
         {
 #ifdef __WXDEBUG__
             // this might happen simply because the block became unlocked
@@ -641,6 +672,7 @@ public:
         }
     }
 
+    void *Get() const { return m_ptr; }
     operator void *() const { return m_ptr; }
 
 private:
@@ -692,7 +724,7 @@ public:
     {
         if ( IsRegistered() )
         {
-            if ( !::UnregisterClass(m_clsname, wxhInstance) )
+            if ( !::UnregisterClass(m_clsname.wx_str(), wxhInstance) )
             {
                 wxLogLastError(_T("UnregisterClass"));
             }
@@ -855,7 +887,7 @@ extern WXDLLEXPORT wxString wxGetWindowClass(WXHWND hWnd);
 
 // get the window id (should be unsigned, hence this is not wxWindowID which
 // is, for mainly historical reasons, signed)
-extern WXDLLEXPORT WXWORD wxGetWindowId(WXHWND hWnd);
+extern WXDLLEXPORT int wxGetWindowId(WXHWND hWnd);
 
 // check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
 // different
@@ -872,9 +904,15 @@ inline bool wxStyleHasBorder(long style)
 // functions mapping HWND to wxWindow
 // ----------------------------------------------------------------------------
 
-// this function simply checks whether the given hWnd corresponds to a wxWindow
+// this function simply checks whether the given hwnd corresponds to a wxWindow
 // and returns either that window if it does or NULL otherwise
-extern WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd);
+extern WXDLLEXPORT wxWindow* wxFindWinFromHandle(HWND hwnd);
+
+// without STRICT WXHWND is the same as HWND anyhow
+inline wxWindow* wxFindWinFromHandle(WXHWND hWnd)
+{
+    return wxFindWinFromHandle(wx_static_cast(HWND, hWnd));
+}
 
 // find the window for HWND which is part of some wxWindow, i.e. unlike
 // wxFindWinFromHandle() above it will also work for "sub controls" of a