gecko/widget/src/qt/nsLookAndFeel.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
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 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Lars Knoll <knoll@kde.org>
 *   Zack Rusin <zack@kde.org>
 *   John C. Griggs <johng@corel.com>
 *
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#include "nsLookAndFeel.h"

#include <QDebug>
#include <QPalette>
#include <QApplication>
#include <QStyle>

#define QCOLOR_TO_NS_RGB(c) \
    ((nscolor)NS_RGB(c.red(),c.green(),c.blue()))


nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel()
{
}

nsLookAndFeel::~nsLookAndFeel()
{
}

nsresult nsLookAndFeel::NativeGetColor(const nsColorID aID,nscolor &aColor)
{
    nsresult res = NS_OK;

    if (!qApp)
        return NS_ERROR_FAILURE;

    QPalette palette = qApp->palette();

    switch (aID) {
        case eColor_WindowBackground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_WindowForeground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Foreground));
            break;
    
        case eColor_WidgetBackground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_WidgetForeground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Foreground));
            break;
    
        case eColor_WidgetSelectBackground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Active, QPalette::Background));
            break;
    
        case eColor_WidgetSelectForeground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Active, QPalette::Foreground));
            break;
    
        case eColor_Widget3DHighlight:
            aColor = NS_RGB(0xa0,0xa0,0xa0);
            break;
    
        case eColor_Widget3DShadow:
            aColor = NS_RGB(0x40,0x40,0x40);
            break;
    
        case eColor_TextBackground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_TextForeground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Text));
            break;
    
        case eColor_TextSelectBackground:
        case eColor_IMESelectedRawTextBackground:
        case eColor_IMESelectedConvertedTextBackground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Active, QPalette::Highlight));
            break;
    
        case eColor_TextSelectForeground:
        case eColor_IMESelectedRawTextForeground:
        case eColor_IMESelectedConvertedTextForeground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Active, QPalette::HighlightedText));
            break;
    
        case eColor_IMERawInputBackground:
        case eColor_IMEConvertedTextBackground:
            aColor = NS_TRANSPARENT;
            break;
    
        case eColor_IMERawInputForeground:
        case eColor_IMEConvertedTextForeground:
            aColor = NS_SAME_AS_FOREGROUND_COLOR;
            break;
    
        case eColor_IMERawInputUnderline:
        case eColor_IMEConvertedTextUnderline:
            aColor = NS_SAME_AS_FOREGROUND_COLOR;
            break;
    
        case eColor_IMESelectedRawTextUnderline:
        case eColor_IMESelectedConvertedTextUnderline:
            aColor = NS_TRANSPARENT;
            break;
    
        case eColor_activeborder:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_activecaption:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_appworkspace:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_background:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_captiontext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Text));
            break;
    
        case eColor_graytext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Disabled, QPalette::Text));
            break;
    
        case eColor_highlight:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Active, QPalette::Highlight));
            break;
    
        case eColor_highlighttext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Active, QPalette::HighlightedText));
            break;
    
        case eColor_inactiveborder:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_inactivecaption:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Disabled, QPalette::Background));
            break;
    
        case eColor_inactivecaptiontext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Disabled, QPalette::Text));
            break;
    
        case eColor_infobackground:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_infotext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Text));
            break;
    
        case eColor_menu:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_menutext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Text));
            break;
    
        case eColor_scrollbar:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Active, QPalette::Background));
            break;
    
        case eColor_threedface:
        case eColor_buttonface:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_buttonhighlight:
        case eColor_threedhighlight:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Light));
            break;
    
        case eColor_buttontext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Text));
            break;
    
        case eColor_buttonshadow:
        case eColor_threedshadow:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Shadow));
            break;
    
        case eColor_threeddarkshadow:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Dark));
            break;
    
        case eColor_threedlightshadow:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Light));
            break;
    
        case eColor_window:
        case eColor_windowframe:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor_windowtext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Text));
            break;
    
        // from the CSS3 working draft (not yet finalized)
        // http://www.w3.org/tr/2000/wd-css3-userint-20000216.html#color
        case eColor__moz_field:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Base));
            break;
    
        case eColor__moz_fieldtext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Text));
            break;
    
        case eColor__moz_dialog:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Background));
            break;
    
        case eColor__moz_dialogtext:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Inactive, QPalette::Text));
            break;
    
        case eColor__moz_dragtargetzone:
            aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Active, QPalette::Background));
            break;
    
        default:
            aColor = 0;
            res = NS_ERROR_FAILURE;
            break;
    }

    return res;
}

static const char *metricToString[] = {
    "eMetric_WindowTitleHeight",
    "eMetric_WindowBorderWidth",
    "eMetric_WindowBorderHeight",
    "eMetric_Widget3DBorder",
    "eMetric_TextFieldBorder"
    "eMetric_TextFieldHeight",
    "eMetric_TextVerticalInsidePadding",
    "eMetric_TextShouldUseVerticalInsidePadding",
    "eMetric_TextHorizontalInsideMinimumPadding",
    "eMetric_TextShouldUseHorizontalInsideMinimumPadding",
    "eMetric_ButtonHorizontalInsidePaddingNavQuirks",
    "eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks",
    "eMetric_CheckboxSize",
    "eMetric_RadioboxSize",

    "eMetric_ListShouldUseHorizontalInsideMinimumPadding",
    "eMetric_ListHorizontalInsideMinimumPadding",

    "eMetric_ListShouldUseVerticalInsidePadding",
    "eMetric_ListVerticalInsidePadding",

    "eMetric_CaretBlinkTime",
    "eMetric_CaretWidth",
    "eMetric_ShowCaretDuringSelection",
    "eMetric_SelectTextfieldsOnKeyFocus",
    "eMetric_SubmenuDelay",
    "eMetric_MenusCanOverlapOSBar",
    "eMetric_DragFullWindow",
    "eMetric_DragThresholdX",
    "eMetric_DragThresholdY",
    "eMetric_UseAccessibilityTheme",
    "eMetric_IsScreenReaderActive",

    "eMetric_ScrollArrowStyle",
    "eMetric_ScrollSliderStyle",

    "eMetric_TreeOpenDelay",
    "eMetric_TreeCloseDelay",
    "eMetric_TreeLazyScrollDelay",
    "eMetric_TreeScrollDelay",
    "eMetric_TreeScrollLinesMax"
    };


NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID,PRInt32 &aMetric)
{
//     qDebug("nsLookAndFeel::GetMetric aID = %s", metricToString[aID]);
    nsresult res = nsXPLookAndFeel::GetMetric(aID, aMetric);
    if (NS_SUCCEEDED(res))
        return res;
//   qDebug("    checking ourselves");
    res = NS_OK;

    QStyle* qStyle = qApp->style();

    switch (aID) {
        case eMetric_WindowTitleHeight:
            aMetric = qStyle->pixelMetric(QStyle::PM_TitleBarHeight);
//             qDebug("eMetric_WindowTitleHeight %d", aMetric);
            break;

        case eMetric_WindowBorderWidth:
            // There was once code in nsDeviceContextQt::GetSystemAttribute to
            // use the border width obtained from a widget in its Init method.
            break;
    
        case eMetric_WindowBorderHeight:
            // There was once code in nsDeviceContextQt::GetSystemAttribute to
            // use the border width obtained from a widget in its Init method.
            break;
    
        case eMetric_Widget3DBorder:
            aMetric = 4;
            break;
    
        case eMetric_TextFieldHeight:
            aMetric = 15;
            break;
    
        case eMetric_TextFieldBorder:
            aMetric = 2;
            break;
    
        case eMetric_TextVerticalInsidePadding:
            aMetric = 0;
            break;
    
        case eMetric_TextShouldUseVerticalInsidePadding:
            aMetric = 0;
            break;
    
        case eMetric_TextHorizontalInsideMinimumPadding:
            aMetric = 15;
            break;
    
        case eMetric_TextShouldUseHorizontalInsideMinimumPadding:
            aMetric = 1;
            break;
    
        case eMetric_ButtonHorizontalInsidePaddingNavQuirks:
            aMetric = 10;
            break;
    
        case eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks:
            aMetric = 8;
            break;
    
        case eMetric_CheckboxSize:
        case eMetric_RadioboxSize:
            aMetric = qStyle->pixelMetric(QStyle::PM_CheckListButtonSize);
            break;
    
        case eMetric_ListShouldUseHorizontalInsideMinimumPadding:
            aMetric = 15;
            break;
    
        case eMetric_ListHorizontalInsideMinimumPadding:
            aMetric = 15;
            break;
    
        case eMetric_ListShouldUseVerticalInsidePadding:
            aMetric = 1;
            break;
    
        case eMetric_ListVerticalInsidePadding:
            aMetric = 1;
            break;
    
        case eMetric_CaretBlinkTime:
            aMetric = 500;
            break;
    
        case eMetric_CaretWidth:
            aMetric = 1;
            break;
    
        case eMetric_ShowCaretDuringSelection:
            aMetric = 0;
            break;
        
        case eMetric_SelectTextfieldsOnKeyFocus:
            // Select textfield content when focused by kbd
            // used by nsEventStateManager::sTextfieldSelectModel
            aMetric = 1;
            break;
    
        case eMetric_SubmenuDelay:
            aMetric = 200;
            break;
    
        case eMetric_MenusCanOverlapOSBar:
            // we want XUL popups to be able to overlap the task bar.
            aMetric = 1;
            break;
    
        case eMetric_DragFullWindow:
            aMetric = 1;
            break;
    
        case eMetric_ScrollArrowStyle:
            aMetric = eMetric_ScrollArrowStyleSingle;
            break;
    
        case eMetric_ScrollSliderStyle:
            aMetric = eMetric_ScrollThumbStyleProportional;
            break;
    
        default:
            aMetric = -1;
            res = NS_ERROR_FAILURE;
    }

    return res;
}

NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricFloatID aID,
                                       float &aMetric)
{
    nsresult res = nsXPLookAndFeel::GetMetric(aID, aMetric);
    if (NS_SUCCEEDED(res))
        return res;
    res = NS_OK;
    
    switch (aID) {
        case eMetricFloat_TextFieldVerticalInsidePadding:
            aMetric = 0.25f;
            break;
    
        case eMetricFloat_TextFieldHorizontalInsidePadding:
            aMetric = 0.95f; // large number on purpose so minimum padding is used
            break;
    
        case eMetricFloat_TextAreaVerticalInsidePadding:
            aMetric = 0.40f;
            break;
    
        case eMetricFloat_TextAreaHorizontalInsidePadding:
            aMetric = 0.40f; // large number on purpose so minimum padding is used
            break;
        
        case eMetricFloat_ListVerticalInsidePadding:
            aMetric = 0.10f;
            break;
    
        case eMetricFloat_ListHorizontalInsidePadding:
            aMetric = 0.40f;
            break;
    
        case eMetricFloat_ButtonVerticalInsidePadding:
            aMetric = 0.25f;
            break;
    
        case eMetricFloat_ButtonHorizontalInsidePadding:
            aMetric = 0.25f;
            break;
    
        case eMetricFloat_IMEUnderlineRelativeSize:
            aMetric = 1.0f;
            break;
    
        default:
            aMetric = -1.0;
            res = NS_ERROR_FAILURE;
    }

    return res;
}