widget/src/windows/nsNativeThemeWin.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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   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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  16  * The Original Code is the Mozilla browser.
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  18  * The Initial Developer of the Original Code is
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  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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  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 class nsNativeThemeWin : private nsNativeTheme,
  47                          public nsITheme {
  48 public:
  49   NS_DECL_ISUPPORTS
  50
  51   // The nsITheme interface.
  52   NS_IMETHOD DrawWidgetBackground(nsIRenderingContext* aContext,
  53                                   nsIFrame* aFrame,
  54                                   PRUint8 aWidgetType,
  55                                   const nsRect& aRect,
  56                                   const nsRect& aDirtyRect);
  57
  58   NS_IMETHOD GetWidgetBorder(nsIDeviceContext* aContext,
  59                              nsIFrame* aFrame,
  60                              PRUint8 aWidgetType,
  61                              nsMargin* aResult);
  62
  63   virtual PRBool GetWidgetPadding(nsIDeviceContext* aContext,
  64                                   nsIFrame* aFrame,
  65                                   PRUint8 aWidgetType,
  66                                   nsMargin* aResult);
  67
  68   virtual PRBool GetWidgetOverflow(nsIDeviceContext* aContext,
  69                                    nsIFrame* aFrame,
  70                                    PRUint8 aWidgetType,
  71                                    nsRect* aOverflowRect);
  72
  73   NS_IMETHOD GetMinimumWidgetSize(nsIRenderingContext* aContext, nsIFrame* aFrame,
  74                                   PRUint8 aWidgetType,
  75                                   nsSize* aResult,
  76                                   PRBool* aIsOverridable);
  77
  78   virtual nsTransparencyMode GetWidgetTransparency(PRUint8 aWidgetType);
  79
  80   NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, PRUint8 aWidgetType,
  81                                 nsIAtom* aAttribute, PRBool* aShouldRepaint);
  82
  83   NS_IMETHOD ThemeChanged();
  84
  85   PRBool ThemeSupportsWidget(nsPresContext* aPresContext,
  86                              nsIFrame* aFrame,
  87                              PRUint8 aWidgetType);
  88
  89   PRBool WidgetIsContainer(PRUint8 aWidgetType);
  90
  91   PRBool ThemeDrawsFocusForWidget(nsPresContext* aPresContext, nsIFrame* aFrame, PRUint8 aWidgetType);
  92
  93   PRBool ThemeNeedsComboboxDropmarker();
  94
  95   nsNativeThemeWin();
  96   virtual ~nsNativeThemeWin();
  97
  98 protected:
  99   HANDLE GetTheme(PRUint8 aWidgetType);
 100   nsresult GetThemePartAndState(nsIFrame* aFrame, PRUint8 aWidgetType,
 101                                 PRInt32& aPart, PRInt32& aState);
 102   nsresult ClassicGetThemePartAndState(nsIFrame* aFrame, PRUint8 aWidgetType,
 103                                    PRInt32& aPart, PRInt32& aState, PRBool& aFocused);
 104   nsresult ClassicDrawWidgetBackground(nsIRenderingContext* aContext,
 105                                   nsIFrame* aFrame,
 106                                   PRUint8 aWidgetType,
 107                                   const nsRect& aRect,
 108                                   const nsRect& aClipRect);
 109   nsresult ClassicGetWidgetBorder(nsIDeviceContext* aContext,
 110                              nsIFrame* aFrame,
 111                              PRUint8 aWidgetType,
 112                              nsMargin* aResult);
 113
 114   nsresult ClassicGetMinimumWidgetSize(nsIRenderingContext* aContext, nsIFrame* aFrame,
 115                                   PRUint8 aWidgetType,
 116                                   nsSize* aResult,
 117                                   PRBool* aIsOverridable);
 118
 119   PRBool ClassicThemeSupportsWidget(nsPresContext* aPresContext,
 120                              nsIFrame* aFrame,
 121                              PRUint8 aWidgetType);
 122
 123   void DrawCheckedRect(HDC hdc, const RECT& rc, PRInt32 fore, PRInt32 back,
 124                        HBRUSH defaultBack);
 125
 126   PRUint32 GetWidgetNativeDrawingFlags(PRUint8 aWidgetType);
 127
 128   PRInt32 StandardGetState(nsIFrame* aFrame, PRUint8 aWidgetType, PRBool wantFocused);
 129
 130   PRBool IsMenuActive(nsIFrame* aFrame, PRUint8 aWidgetType);
 131 };
 132
 133 // Creator function
 134 extern NS_METHOD NS_NewNativeThemeWin(nsISupports *aOuter, REFNSIID aIID, void **aResult);