af7b665d92
screenreader detection on win 9x. r=aaronl sr=roc git-svn-id: svn://10.0.0.236/trunk@186202 18797224-902f-48f8-a5cc-f745e15eee43
568 lines
16 KiB
C++
568 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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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* Michael Lowe <michael.lowe@bigfoot.com>
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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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#include "nsLookAndFeel.h"
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#include "nsXPLookAndFeel.h"
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#include <windows.h>
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#include "nsWindow.h"
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// Constants only found in new (98+, 2K+, XP+, etc.) Windows.
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#ifndef COLOR_MENUHILIGHT
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#define COLOR_MENUHILIGHT 29
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#endif
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#ifndef SPI_GETFLATMENU
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#define SPI_GETFLATMENU 0x1022
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#endif
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nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel()
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{
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}
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nsLookAndFeel::~nsLookAndFeel()
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{
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}
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nsresult nsLookAndFeel::NativeGetColor(const nsColorID aID, nscolor &aColor)
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{
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nsresult res = NS_OK;
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int idx;
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switch (aID) {
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case eColor_WindowBackground:
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idx = COLOR_WINDOW;
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break;
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case eColor_WindowForeground:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColor_WidgetBackground:
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idx = COLOR_BTNFACE;
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break;
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case eColor_WidgetForeground:
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idx = COLOR_BTNTEXT;
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break;
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case eColor_WidgetSelectBackground:
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idx = COLOR_HIGHLIGHT;
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break;
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case eColor_WidgetSelectForeground:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case eColor_Widget3DHighlight:
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idx = COLOR_BTNHIGHLIGHT;
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break;
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case eColor_Widget3DShadow:
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idx = COLOR_BTNSHADOW;
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break;
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case eColor_TextBackground:
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idx = COLOR_WINDOW;
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break;
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case eColor_TextForeground:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColor_TextSelectBackground:
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case eColor_IMESelectedRawTextBackground:
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case eColor_IMESelectedConvertedTextBackground:
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idx = COLOR_HIGHLIGHT;
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break;
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case eColor_TextSelectForeground:
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case eColor_IMESelectedRawTextForeground:
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case eColor_IMESelectedConvertedTextForeground:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case eColor_IMERawInputBackground:
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case eColor_IMEConvertedTextBackground:
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aColor = NS_TRANSPARENT;
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return NS_OK;
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case eColor_IMERawInputForeground:
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case eColor_IMEConvertedTextForeground:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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return NS_OK;
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case eColor_IMERawInputUnderline:
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case eColor_IMEConvertedTextUnderline:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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return NS_OK;
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case eColor_IMESelectedRawTextUnderline:
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case eColor_IMESelectedConvertedTextUnderline:
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aColor = NS_TRANSPARENT;
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return NS_OK;
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// New CSS 2 Color definitions
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case eColor_activeborder:
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idx = COLOR_ACTIVEBORDER;
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break;
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case eColor_activecaption:
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idx = COLOR_ACTIVECAPTION;
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break;
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case eColor_appworkspace:
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idx = COLOR_APPWORKSPACE;
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break;
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case eColor_background:
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idx = COLOR_BACKGROUND;
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break;
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case eColor_buttonface:
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case eColor__moz_buttonhoverface:
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idx = COLOR_BTNFACE;
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break;
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case eColor_buttonhighlight:
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idx = COLOR_BTNHIGHLIGHT;
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break;
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case eColor_buttonshadow:
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idx = COLOR_BTNSHADOW;
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break;
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case eColor_buttontext:
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case eColor__moz_buttonhovertext:
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idx = COLOR_BTNTEXT;
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break;
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case eColor_captiontext:
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idx = COLOR_CAPTIONTEXT;
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break;
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case eColor_graytext:
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idx = COLOR_GRAYTEXT;
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break;
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case eColor_highlight:
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case eColor__moz_menuhover:
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idx = COLOR_HIGHLIGHT;
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break;
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case eColor_highlighttext:
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case eColor__moz_menuhovertext:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case eColor_inactiveborder:
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idx = COLOR_INACTIVEBORDER;
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break;
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case eColor_inactivecaption:
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idx = COLOR_INACTIVECAPTION;
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break;
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case eColor_inactivecaptiontext:
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idx = COLOR_INACTIVECAPTIONTEXT;
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break;
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case eColor_infobackground:
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idx = COLOR_INFOBK;
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break;
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case eColor_infotext:
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idx = COLOR_INFOTEXT;
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break;
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case eColor_menu:
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idx = COLOR_MENU;
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break;
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case eColor_menutext:
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idx = COLOR_MENUTEXT;
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break;
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case eColor_scrollbar:
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idx = COLOR_SCROLLBAR;
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break;
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case eColor_threeddarkshadow:
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idx = COLOR_3DDKSHADOW;
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break;
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case eColor_threedface:
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idx = COLOR_3DFACE;
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break;
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case eColor_threedhighlight:
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idx = COLOR_3DHIGHLIGHT;
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break;
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case eColor_threedlightshadow:
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idx = COLOR_3DLIGHT;
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break;
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case eColor_threedshadow:
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idx = COLOR_3DSHADOW;
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break;
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case eColor_window:
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idx = COLOR_WINDOW;
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break;
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case eColor_windowframe:
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idx = COLOR_WINDOWFRAME;
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break;
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case eColor_windowtext:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColor__moz_field:
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idx = COLOR_WINDOW;
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break;
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case eColor__moz_fieldtext:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColor__moz_dialog:
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case eColor__moz_cellhighlight:
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idx = COLOR_3DFACE;
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break;
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case eColor__moz_dialogtext:
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case eColor__moz_cellhighlighttext:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColor__moz_dragtargetzone:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case eColor__moz_buttondefault:
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idx = COLOR_3DDKSHADOW;
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break;
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case eColor__moz_menubarhovertext: {
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BOOL isFlatMenus;
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HRESULT rv;
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// This will simply fail on Windows versions prior to XP, so we get
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// non-flat as desired.
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rv = ::SystemParametersInfo(SPI_GETFLATMENU, 0, &isFlatMenus, 0);
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if (rv && isFlatMenus)
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idx = COLOR_HIGHLIGHTTEXT; /* flat menus (XP themes and later only) */
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else
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idx = COLOR_MENUTEXT; /* 3d menus (pre-XP, some themes) */
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break;
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}
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default:
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idx = COLOR_WINDOW;
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break;
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}
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DWORD color = ::GetSysColor(idx);
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aColor = COLOREF_2_NSRGB(color);
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return res;
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}
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NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
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{
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nsresult res = nsXPLookAndFeel::GetMetric(aID, aMetric);
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if (NS_SUCCEEDED(res))
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return res;
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res = NS_OK;
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switch (aID) {
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case eMetric_WindowTitleHeight:
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aMetric = ::GetSystemMetrics(SM_CYCAPTION);
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break;
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#ifndef WINCE
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case eMetric_WindowBorderWidth:
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aMetric = ::GetSystemMetrics(SM_CXFRAME);
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break;
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case eMetric_WindowBorderHeight:
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aMetric = ::GetSystemMetrics(SM_CYFRAME);
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break;
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#endif
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case eMetric_Widget3DBorder:
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aMetric = ::GetSystemMetrics(SM_CXEDGE);
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break;
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case eMetric_TextFieldBorder:
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aMetric = 3;
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break;
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case eMetric_TextFieldHeight:
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aMetric = 24;
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break;
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case eMetric_ButtonHorizontalInsidePaddingNavQuirks:
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aMetric = 10;
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break;
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case eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks:
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aMetric = 8;
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break;
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case eMetric_CheckboxSize:
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aMetric = 12;
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break;
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case eMetric_RadioboxSize:
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aMetric = 12;
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break;
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case eMetric_TextHorizontalInsideMinimumPadding:
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aMetric = 3;
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break;
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case eMetric_TextVerticalInsidePadding:
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aMetric = 0;
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break;
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case eMetric_TextShouldUseVerticalInsidePadding:
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aMetric = 0;
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break;
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case eMetric_TextShouldUseHorizontalInsideMinimumPadding:
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aMetric = 1;
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break;
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case eMetric_ListShouldUseHorizontalInsideMinimumPadding:
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aMetric = 0;
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break;
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case eMetric_ListHorizontalInsideMinimumPadding:
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aMetric = 3;
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break;
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case eMetric_ListShouldUseVerticalInsidePadding:
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aMetric = 0;
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break;
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case eMetric_ListVerticalInsidePadding:
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aMetric = 0;
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break;
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case eMetric_CaretBlinkTime:
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aMetric = (PRInt32)::GetCaretBlinkTime();
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break;
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case eMetric_CaretWidth:
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aMetric = 1;
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break;
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case eMetric_ShowCaretDuringSelection:
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aMetric = 0;
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break;
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case eMetric_SelectTextfieldsOnKeyFocus:
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// Select textfield content when focused by kbd
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// used by nsEventStateManager::sTextfieldSelectModel
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aMetric = 1;
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break;
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case eMetric_SubmenuDelay:
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{
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static PRInt32 sSubmenuDelay = -1;
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if (sSubmenuDelay == -1) {
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HKEY key;
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char value[100];
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DWORD length, type;
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LONG result;
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sSubmenuDelay = 300;
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#ifndef WINCE
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result = ::RegOpenKeyEx(HKEY_CURRENT_USER,
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"Control Panel\\Desktop", 0, KEY_READ, &key);
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if (result == ERROR_SUCCESS) {
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length = sizeof(value);
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result = ::RegQueryValueEx(key, "MenuShowDelay",
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NULL, &type, (LPBYTE)&value, &length);
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::RegCloseKey(key);
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if (result == ERROR_SUCCESS) {
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PRInt32 errorCode;
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nsString str; str.AssignWithConversion(value);
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PRInt32 submenuDelay = str.ToInteger(&errorCode);
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if (errorCode == NS_OK) {
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sSubmenuDelay = submenuDelay;
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}
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}
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}
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#endif
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}
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aMetric = sSubmenuDelay;
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}
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break;
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case eMetric_MenusCanOverlapOSBar:
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// we want XUL popups to be able to overlap the task bar.
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aMetric = 1;
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break;
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case eMetric_DragFullWindow:
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{
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static PRInt32 sDragFullWindow = -1;
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#ifndef WINCE
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if (sDragFullWindow == -1) {
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HKEY key;
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char value[100];
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DWORD length, type;
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LONG result;
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result = ::RegOpenKeyEx(HKEY_CURRENT_USER,
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"Control Panel\\Desktop", 0, KEY_READ, &key);
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if (result == ERROR_SUCCESS) {
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length = sizeof(value);
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result = ::RegQueryValueEx(key, "DragFullWindows",
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NULL, &type, (LPBYTE)&value, &length);
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::RegCloseKey(key);
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if (result == ERROR_SUCCESS) {
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PRInt32 errorCode;
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nsString str; str.AssignWithConversion(value);
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sDragFullWindow = str.ToInteger(&errorCode);
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}
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}
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}
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#endif
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aMetric = sDragFullWindow ? 1 : 0;
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}
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break;
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#ifndef WINCE
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case eMetric_DragThresholdX:
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// The system metric is the number of pixels at which a drag should
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// start. Our look and feel metric is the number of pixels you can
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// move before starting a drag, so subtract 1.
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aMetric = ::GetSystemMetrics(SM_CXDRAG) - 1;
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break;
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case eMetric_DragThresholdY:
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aMetric = ::GetSystemMetrics(SM_CYDRAG) - 1;
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break;
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case eMetric_UseAccessibilityTheme:
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// High contrast is a misnomer under Win32 -- any theme can be used with it,
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// e.g. normal contrast with large fonts, low contrast, etc.
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// The high contrast flag really means -- use this theme and don't override it.
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HIGHCONTRAST contrastThemeInfo;
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contrastThemeInfo.cbSize = sizeof(contrastThemeInfo);
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// Need to check return from SystemParametersInfo since
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// SPI_GETHIGHCONTRAST is not supported on Windows NT
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if (SystemParametersInfo(SPI_GETHIGHCONTRAST, 0, &contrastThemeInfo, 0)) {
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aMetric = (contrastThemeInfo.dwFlags & HCF_HIGHCONTRASTON) != 0;
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}
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else {
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aMetric = 0;
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}
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break;
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case eMetric_IsScreenReaderActive:
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BOOL isScreenReaderActive;
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aMetric = SystemParametersInfo(SPI_GETSCREENREADER, 0, &isScreenReaderActive, 0) &&
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isScreenReaderActive;
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break;
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#endif
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case eMetric_ScrollArrowStyle:
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aMetric = eMetric_ScrollArrowStyleSingle;
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break;
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case eMetric_ScrollSliderStyle:
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aMetric = eMetric_ScrollThumbStyleProportional;
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break;
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case eMetric_TreeOpenDelay:
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aMetric = 1000;
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break;
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case eMetric_TreeCloseDelay:
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aMetric = 0;
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break;
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case eMetric_TreeLazyScrollDelay:
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aMetric = 150;
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break;
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case eMetric_TreeScrollDelay:
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aMetric = 100;
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break;
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case eMetric_TreeScrollLinesMax:
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aMetric = 3;
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break;
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default:
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aMetric = 0;
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res = NS_ERROR_FAILURE;
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}
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return res;
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}
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NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricFloatID aID, float & aMetric)
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{
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nsresult res = nsXPLookAndFeel::GetMetric(aID, aMetric);
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if (NS_SUCCEEDED(res))
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return res;
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res = NS_OK;
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switch (aID) {
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case eMetricFloat_TextFieldVerticalInsidePadding:
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aMetric = 0.25f;
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break;
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case eMetricFloat_TextFieldHorizontalInsidePadding:
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aMetric = 1.025f;
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break;
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case eMetricFloat_TextAreaVerticalInsidePadding:
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aMetric = 0.40f;
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break;
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case eMetricFloat_TextAreaHorizontalInsidePadding:
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aMetric = 0.40f;
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break;
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case eMetricFloat_ListVerticalInsidePadding:
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aMetric = 0.10f;
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break;
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case eMetricFloat_ListHorizontalInsidePadding:
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aMetric = 0.40f;
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break;
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case eMetricFloat_ButtonVerticalInsidePadding:
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aMetric = 0.25f;
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break;
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case eMetricFloat_ButtonHorizontalInsidePadding:
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aMetric = 0.25f;
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break;
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case eMetricFloat_IMEUnderlineRelativeSize:
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aMetric = 1.0f;
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break;
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default:
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aMetric = -1.0;
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res = NS_ERROR_FAILURE;
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}
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return res;
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}
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#ifdef NS_DEBUG
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NS_IMETHODIMP nsLookAndFeel::GetNavSize(const nsMetricNavWidgetID aWidgetID,
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const nsMetricNavFontID aFontID,
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const PRInt32 aFontSize,
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nsSize &aSize)
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{
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nsresult rv = nsXPLookAndFeel::GetNavSize(aWidgetID, aFontID, aFontSize,
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aSize);
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if (NS_SUCCEEDED(rv))
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return rv;
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aSize.width = 0;
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aSize.height = 0;
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if (aFontSize < 1 || aFontSize > 7) {
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return NS_ERROR_FAILURE;
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}
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PRInt32 kTextFieldWidths[2][7] = {
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{106,147,169,211,253,338,506}, // Courier
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{152,214,237,281,366,495,732} // sans-serif
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};
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|
|
|
PRInt32 kTextFieldHeights[2][7] = {
|
|
{18,21,24,27,33,45,63}, // Courier
|
|
{18,21,24,27,34,48,67} // sans-serif
|
|
};
|
|
|
|
PRInt32 kTextAreaWidths[2][7] = {
|
|
{121,163,184,226,268,352,520}, // Courier
|
|
{163,226,247,289,373,499,730} // sans-serif
|
|
};
|
|
|
|
PRInt32 kTextAreaHeights[2][7] = {
|
|
{40,44,48,52,60,76,100}, // Courier
|
|
{40,44,48,52,62,80,106} // sans-serif
|
|
};
|
|
|
|
switch (aWidgetID) {
|
|
case eMetricSize_TextField:
|
|
aSize.width = kTextFieldWidths[aFontID][aFontSize-1];
|
|
aSize.height = kTextFieldHeights[aFontID][aFontSize-1];
|
|
break;
|
|
case eMetricSize_TextArea:
|
|
aSize.width = kTextAreaWidths[aFontID][aFontSize-1];
|
|
aSize.height = kTextAreaHeights[aFontID][aFontSize-1];
|
|
break;
|
|
} //switch
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
#endif
|