widget/src/windows/nsNativeThemeWin.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
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  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  15  *
  16  * The Original Code is the Mozilla browser.
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  18  * The Initial Developer of the Original Code is
  19  * Netscape Communications Corporation.
  20  * Portions created by the Initial Developer are Copyright (C) 1999
  21  * the Initial Developer. All Rights Reserved.
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  23  * Contributor(s):
  24  *   Tim Hill (tim@prismelite.com)
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  26  * Alternatively, the contents of this file may be used under the terms of
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  38  * ***** END LICENSE BLOCK ***** */
  39
  40 #include "nsITheme.h"
  41 #include "nsCOMPtr.h"
  42 #include "nsIAtom.h"
  43 #include "nsNativeTheme.h"
  44 #include <windows.h>
  45
  46 struct nsIntRect;
  47 struct nsIntSize;
  48
  49 class nsNativeThemeWin : private nsNativeTheme,
  50                          public nsITheme {
  51 public:
  52   NS_DECL_ISUPPORTS_INHERITED
  53
  54   // The nsITheme interface.
  55   NS_IMETHOD DrawWidgetBackground(nsIRenderingContext* aContext,
  56                                   nsIFrame* aFrame,
  57                                   PRUint8 aWidgetType,
  58                                   const nsRect& aRect,
  59                                   const nsRect& aDirtyRect);
  60
  61   NS_IMETHOD GetWidgetBorder(nsIDeviceContext* aContext,
  62                              nsIFrame* aFrame,
  63                              PRUint8 aWidgetType,
  64                              nsIntMargin* aResult);
  65
  66   virtual PRBool GetWidgetPadding(nsIDeviceContext* aContext,
  67                                   nsIFrame* aFrame,
  68                                   PRUint8 aWidgetType,
  69                                   nsIntMargin* aResult);
  70
  71   virtual PRBool GetWidgetOverflow(nsIDeviceContext* aContext,
  72                                    nsIFrame* aFrame,
  73                                    PRUint8 aWidgetType,
  74                                    nsRect* aOverflowRect);
  75
  76   NS_IMETHOD GetMinimumWidgetSize(nsIRenderingContext* aContext, nsIFrame* aFrame,
  77                                   PRUint8 aWidgetType,
  78                                   nsIntSize* aResult,
  79                                   PRBool* aIsOverridable);
  80
  81   virtual Transparency GetWidgetTransparency(nsIFrame* aFrame, PRUint8 aWidgetType);
  82
  83   NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, PRUint8 aWidgetType,
  84                                 nsIAtom* aAttribute, PRBool* aShouldRepaint);
  85
  86   NS_IMETHOD ThemeChanged();
  87
  88   PRBool ThemeSupportsWidget(nsPresContext* aPresContext,
  89                              nsIFrame* aFrame,
  90                              PRUint8 aWidgetType);
  91
  92   PRBool WidgetIsContainer(PRUint8 aWidgetType);
  93
  94   PRBool ThemeDrawsFocusForWidget(nsPresContext* aPresContext, nsIFrame* aFrame, PRUint8 aWidgetType);
  95
  96   PRBool ThemeNeedsComboboxDropmarker();
  97
  98   nsNativeThemeWin();
  99   virtual ~nsNativeThemeWin();
 100
 101 protected:
 102   HANDLE GetTheme(PRUint8 aWidgetType);
 103   nsresult GetThemePartAndState(nsIFrame* aFrame, PRUint8 aWidgetType,
 104                                 PRInt32& aPart, PRInt32& aState);
 105   nsresult ClassicGetThemePartAndState(nsIFrame* aFrame, PRUint8 aWidgetType,
 106                                    PRInt32& aPart, PRInt32& aState, PRBool& aFocused);
 107   nsresult ClassicDrawWidgetBackground(nsIRenderingContext* aContext,
 108                                   nsIFrame* aFrame,
 109                                   PRUint8 aWidgetType,
 110                                   const nsRect& aRect,
 111                                   const nsRect& aClipRect);
 112   nsresult ClassicGetWidgetBorder(nsIDeviceContext* aContext,
 113                              nsIFrame* aFrame,
 114                              PRUint8 aWidgetType,
 115                              nsIntMargin* aResult);
 116
 117   nsresult ClassicGetMinimumWidgetSize(nsIRenderingContext* aContext, nsIFrame* aFrame,
 118                                   PRUint8 aWidgetType,
 119                                   nsIntSize* aResult,
 120                                   PRBool* aIsOverridable);
 121
 122   PRBool ClassicThemeSupportsWidget(nsPresContext* aPresContext,
 123                              nsIFrame* aFrame,
 124                              PRUint8 aWidgetType);
 125
 126   void DrawCheckedRect(HDC hdc, const RECT& rc, PRInt32 fore, PRInt32 back,
 127                        HBRUSH defaultBack);
 128
 129   PRUint32 GetWidgetNativeDrawingFlags(PRUint8 aWidgetType);
 130
 131   PRInt32 StandardGetState(nsIFrame* aFrame, PRUint8 aWidgetType, PRBool wantFocused);
 132
 133   PRBool IsMenuActive(nsIFrame* aFrame, PRUint8 aWidgetType);
 134 };
 135
 136 // Creator function
 137 extern NS_METHOD NS_NewNativeThemeWin(nsISupports *aOuter, REFNSIID aIID, void **aResult);