зеркало из https://github.com/mozilla/gecko-dev.git
138 строки
4.7 KiB
C++
138 строки
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __nsXPLookAndFeel
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#define __nsXPLookAndFeel
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#include "mozilla/LookAndFeel.h"
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class nsLookAndFeel;
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struct nsLookAndFeelIntPref
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{
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const char* name;
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mozilla::LookAndFeel::IntID id;
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bool isSet;
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PRInt32 intVar;
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};
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struct nsLookAndFeelFloatPref
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{
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const char* name;
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mozilla::LookAndFeel::FloatID id;
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bool isSet;
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float floatVar;
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};
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#define CACHE_BLOCK(x) ((x) >> 5)
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#define CACHE_BIT(x) (1 << ((x) & 31))
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#define COLOR_CACHE_SIZE (CACHE_BLOCK(LookAndFeel::eColorID_LAST_COLOR) + 1)
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#define IS_COLOR_CACHED(x) (CACHE_BIT(x) & nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)])
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#define CLEAR_COLOR_CACHE(x) nsXPLookAndFeel::sCachedColors[(x)] =0; \
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nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] &= ~(CACHE_BIT(x));
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#define CACHE_COLOR(x, y) nsXPLookAndFeel::sCachedColors[(x)] = y; \
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nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] |= CACHE_BIT(x);
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class nsXPLookAndFeel: public mozilla::LookAndFeel
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{
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public:
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virtual ~nsXPLookAndFeel();
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static nsLookAndFeel* GetInstance();
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static void Shutdown();
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void Init();
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//
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// All these routines will return NS_OK if they have a value,
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// in which case the nsLookAndFeel should use that value;
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// otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
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// platform-specific nsLookAndFeel should use its own values instead.
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//
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nsresult GetColorImpl(ColorID aID, nscolor &aResult);
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virtual nsresult GetIntImpl(IntID aID, PRInt32 &aResult);
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virtual nsresult GetFloatImpl(FloatID aID, float &aResult);
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// This one is different: there are no override prefs (fixme?), so
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// there is no XP implementation, only per-system impls.
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virtual bool GetFontImpl(FontID aID, nsString& aName,
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gfxFontStyle& aStyle) = 0;
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virtual void RefreshImpl();
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virtual PRUnichar GetPasswordCharacterImpl()
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{
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return PRUnichar('*');
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}
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virtual bool GetEchoPasswordImpl()
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{
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return false;
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}
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protected:
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nsXPLookAndFeel();
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static void IntPrefChanged(nsLookAndFeelIntPref *data);
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static void FloatPrefChanged(nsLookAndFeelFloatPref *data);
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static void ColorPrefChanged(unsigned int index, const char *prefName);
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void InitFromPref(nsLookAndFeelIntPref* aPref);
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void InitFromPref(nsLookAndFeelFloatPref* aPref);
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void InitColorFromPref(PRInt32 aIndex);
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virtual nsresult NativeGetColor(ColorID aID, nscolor &aResult) = 0;
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bool IsSpecialColor(ColorID aID, nscolor &aColor);
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static int OnPrefChanged(const char* aPref, void* aClosure);
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static bool sInitialized;
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static nsLookAndFeelIntPref sIntPrefs[];
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static nsLookAndFeelFloatPref sFloatPrefs[];
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/* this length must not be shorter than the length of the longest string in the array
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* see nsXPLookAndFeel.cpp
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*/
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static const char sColorPrefs[][38];
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static PRInt32 sCachedColors[LookAndFeel::eColorID_LAST_COLOR];
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static PRInt32 sCachedColorBits[COLOR_CACHE_SIZE];
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static bool sUseNativeColors;
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static nsLookAndFeel* sInstance;
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static bool sShutdown;
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};
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#endif
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