added checks for more wxUSE_SVG dependencies: wxUSE_IMAGE and wxUSE_LIBPNG

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

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index d79bbed42e1ea06bcdf252e65df5895fe12982cf..da4b7e83caced8a5ebf2725f043fb3d5c794884d 100644 (file)
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -21,14 +21,11 @@
     #include "wx/msw/microwin.h"
 #endif
 
-// Include fixes for MSLU:
-#include "wx/msw/mslu.h"
-
 #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
@@ -314,21 +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
@@ -409,29 +417,49 @@ private:
 // dtor
 class SelectInHDC
 {
+private:
+    void DoInit(HGDIOBJ hgdiobj) { m_hgdiobj = ::SelectObject(m_hdc, hgdiobj); }
+
 public:
-    SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc)
-        { m_hgdiobj = ::SelectObject(hdc, hgdiobj); }
+    SelectInHDC() : m_hdc(NULL) { }
+    SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) { DoInit(hgdiobj); }
+
+    void Init(HDC hdc, HGDIOBJ hgdiobj)
+    {
+        wxASSERT_MSG( !m_hdc, _T("initializing twice?") );
 
-   ~SelectInHDC() { ::SelectObject(m_hdc, m_hgdiobj); }
+        m_hdc = hdc;
 
-   // return true if the object was successfully selected
-   operator bool() const { return m_hgdiobj != 0; }
+        DoInit(hgdiobj);
+    }
+
+    ~SelectInHDC() { if ( m_hdc ) ::SelectObject(m_hdc, m_hgdiobj); }
+
+    // return true if the object was successfully selected
+    operator bool() const { return m_hgdiobj != 0; }
 
 private:
-   HDC m_hdc;
-   HGDIOBJ m_hgdiobj;
+    HDC m_hdc;
+    HGDIOBJ m_hgdiobj;
 
-   DECLARE_NO_COPY_CLASS(SelectInHDC)
+    DECLARE_NO_COPY_CLASS(SelectInHDC)
 };
 
 // a class which cleans up any GDI object
 class AutoGDIObject
 {
 protected:
+    AutoGDIObject() { m_gdiobj = NULL; }
     AutoGDIObject(HGDIOBJ gdiobj) : m_gdiobj(gdiobj) { }
     ~AutoGDIObject() { if ( m_gdiobj ) ::DeleteObject(m_gdiobj); }
 
+    void InitGdiobj(HGDIOBJ gdiobj)
+    {
+        wxASSERT_MSG( !m_gdiobj, _T("initializing twice?") );
+
+        m_gdiobj = gdiobj;
+    }
+
     HGDIOBJ GetObject() const { return m_gdiobj; }
 
 private:
@@ -440,7 +468,7 @@ private:
 
 // TODO: all this asks for using a AutoHandler<T, CreateFunc> template...
 
-// a class for temporary pens
+// a class for temporary brushes
 class AutoHBRUSH : private AutoGDIObject
 {
 public:
@@ -450,6 +478,22 @@ public:
     operator HBRUSH() const { return (HBRUSH)GetObject(); }
 };
 
+// a class for temporary fonts
+class AutoHFONT : private AutoGDIObject
+{
+private:
+public:
+    AutoHFONT()
+        : AutoGDIObject() { }
+
+    AutoHFONT(const LOGFONT& lf)
+        : AutoGDIObject(::CreateFontIndirect(&lf)) { }
+
+    void Init(const LOGFONT& lf) { InitGdiobj(::CreateFontIndirect(&lf)); }
+
+    operator HFONT() const { return (HFONT)GetObject(); }
+};
+
 // a class for temporary pens
 class AutoHPEN : private AutoGDIObject
 {
@@ -659,7 +703,7 @@ public:
     {
         if ( IsRegistered() )
         {
-            if ( !::UnregisterClass(m_clsname, wxhInstance) )
+            if ( !::UnregisterClass(m_clsname.wx_str(), wxhInstance) )
             {
                 wxLogLastError(_T("UnregisterClass"));
             }
@@ -791,7 +835,8 @@ enum wxWinVersion
     wxWinVersion_2003 = 0x0502,
 
     wxWinVersion_6 = 0x0600,
-    wxWinVersion_NT6 = 0x0600
+    wxWinVersion_Vista = wxWinVersion_6,
+    wxWinVersion_NT6 = wxWinVersion_6
 };
 
 WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion();