506 lines
16 KiB
C++
506 lines
16 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "icons.h"
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#include <QApplication>
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#include <QPixmap>
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#include <QFont>
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#include <QPainter>
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#include <QPalette>
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#include <QDir>
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#include <math.h>
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static QList<int> constStdSizes=QList<int>() << 16 << 22 << 32 << 48;
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static const double constDisabledOpacity=0.5;
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static const int constShadeFactor=75;
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static bool inline isLight(const QColor &col)
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{
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return col.red()>100 && col.blue()>100 && col.green()>100;
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}
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static QPixmap createSingleIconPixmap(int size, const QColor &col, double opacity=1.0)
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{
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QPixmap pix(size, size);
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pix.fill(Qt::transparent);
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QPainter p(&pix);
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QFont font(QLatin1String("sans"));
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font.setBold(false);
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font.setItalic(false);
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font.setPixelSize(size*0.9);
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p.setFont(font);
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p.setPen(col);
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p.setOpacity(opacity);
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p.setRenderHint(QPainter::Antialiasing, true);
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p.drawText(QRect(0, 1, size, size), QLatin1String("1"), QTextOption(Qt::AlignHCenter|Qt::AlignVCenter));
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p.drawText(QRect(1, 1, size, size), QLatin1String("1"), QTextOption(Qt::AlignHCenter|Qt::AlignVCenter));
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p.drawText(QRect(-1, 1, size, size), QLatin1String("1"), QTextOption(Qt::AlignHCenter|Qt::AlignVCenter));
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p.end();
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return pix;
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}
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static QPixmap createConsumeIconPixmap(int size, const QColor &col, double opacity=1.0)
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{
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QPixmap pix(size, size);
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pix.fill(Qt::transparent);
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QPainter p(&pix);
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p.setPen(QPen(col, size/10.0));
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p.setOpacity(opacity);
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p.setRenderHint(QPainter::Antialiasing, true);
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QRectF rect(2.5, 2.5, size-4, size-4);
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double distanceX=fabs(cos(35.0))*(rect.width()/2);
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double distanceY=fabs(sin(35.0))*(rect.height()/2);
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double midX=rect.x()+(rect.width()/2);
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double midY=rect.y()+(rect.height()/2);
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p.drawArc(rect, 40*16, 280*16);
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p.drawLine(midX, midY, midX+distanceX, midY-distanceY);
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p.drawLine(midX, midY, midX+distanceX, midY+distanceY);
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p.drawPoint(midX, rect.y()+rect.height()/4);
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p.end();
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return pix;
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}
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static QPainterPath buildPath(const QRectF &r, double radius)
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{
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QPainterPath path;
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double diameter(radius*2);
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path.moveTo(r.x()+r.width(), r.y()+r.height()-radius);
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path.arcTo(r.x()+r.width()-diameter, r.y(), diameter, diameter, 0, 90);
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path.arcTo(r.x(), r.y(), diameter, diameter, 90, 90);
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path.arcTo(r.x(), r.y()+r.height()-diameter, diameter, diameter, 180, 90);
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path.arcTo(r.x()+r.width()-diameter, r.y()+r.height()-diameter, diameter, diameter, 270, 90);
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return path;
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}
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static QPixmap createMenuIconPixmap(int size, QColor col, double opacity=1.0)
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{
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QPixmap pix(size, size);
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pix.fill(Qt::transparent);
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QPainter p(&pix);
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int lineWidth=3;
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int space=2;
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int borderX=1;
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if (22==size) {
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lineWidth=3;
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space=3;
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borderX=2;
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} else if (32==size) {
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lineWidth=5;
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space=5;
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borderX=3;
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} else if (48==size) {
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lineWidth=8;
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space=6;
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borderX=4;
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}
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int borderY=((size-((3*lineWidth)+(2*space)))/2.0)+0.5;
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p.setOpacity(opacity);
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p.setRenderHint(QPainter::Antialiasing, true);
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bool isLight=col.red()>100 && col.blue()>100 && col.green()>100;
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if (isLight) {
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col=col.darker(constShadeFactor);
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} else {
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col=col.lighter(constShadeFactor);
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}
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for (int i=0; i<3; ++i) {
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int offset=i*(space+lineWidth);
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QRectF rect(borderX+0.5, borderY+offset, size-(2*borderX), lineWidth);
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QLinearGradient grad(rect.topLeft(), rect.bottomLeft());
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col.setAlphaF(isLight ? 0.5 : 1.0);
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grad.setColorAt(0, col);
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col.setAlphaF(isLight ? 1.0 : 0.5);
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grad.setColorAt(1, col);
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p.fillPath(buildPath(rect, lineWidth/2.0), grad);
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}
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p.end();
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return pix;
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}
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static void calcIconColors(QColor &stdColor, QColor &highlightColor)
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{
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stdColor=QColor(QApplication::palette().color(QPalette::Active, QPalette::ButtonText));
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if (stdColor==Qt::white) {
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stdColor=QColor(200, 200, 200);
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} else if (stdColor.red()<128 && stdColor.green()<128 && stdColor.blue()<128 &&
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stdColor.red()==stdColor.green() && stdColor.green()==stdColor.blue()) {
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stdColor=Qt::black;
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}
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highlightColor=isLight(stdColor) ? stdColor.lighter(constShadeFactor) : stdColor.darker(constShadeFactor);
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}
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static Icon createSingleIcon(const QColor &stdColor, const QColor &highlightColor)
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{
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Icon icon;
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foreach (int s, constStdSizes) {
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icon.addPixmap(createSingleIconPixmap(s, stdColor));
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icon.addPixmap(createSingleIconPixmap(s, stdColor, constDisabledOpacity), QIcon::Disabled);
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icon.addPixmap(createSingleIconPixmap(s, highlightColor), QIcon::Active);
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}
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return icon;
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}
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static Icon createConsumeIcon(const QColor &stdColor, const QColor &highlightColor)
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{
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Icon icon;
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foreach (int s, constStdSizes) {
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icon.addPixmap(createConsumeIconPixmap(s, stdColor));
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icon.addPixmap(createConsumeIconPixmap(s, stdColor, constDisabledOpacity), QIcon::Disabled);
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icon.addPixmap(createConsumeIconPixmap(s, highlightColor), QIcon::Active);
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}
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return icon;
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}
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static Icon createMenuIcon(const QColor &stdColor, const QColor &highlightColor)
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{
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Icon icon;
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foreach (int s, constStdSizes) {
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icon.addPixmap(createMenuIconPixmap(s, stdColor));
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icon.addPixmap(createMenuIconPixmap(s, stdColor, constDisabledOpacity), QIcon::Disabled);
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icon.addPixmap(createMenuIconPixmap(s, highlightColor), QIcon::Active);
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}
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return icon;
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}
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static unsigned char checkBounds(int num)
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{
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return num < 0 ? 0 : (num > 255 ? 255 : num);
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}
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static void adjustPix(unsigned char *data, int numChannels, int w, int h, int stride, int r, int g, int b, double opacity)
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{
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int width=w*numChannels,
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offset=0;
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for(int row=0; row<h; ++row) {
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for(int column=0; column<width; column+=numChannels) {
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unsigned char source=data[offset+column+1];
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#if Q_BYTE_ORDER == Q_BIG_ENDIAN
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/* ARGB */
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data[offset+column]*=opacity;
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data[offset+column+1] = checkBounds(r-source);
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data[offset+column+2] = checkBounds(g-source);
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data[offset+column+3] = checkBounds(b-source);
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#else
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/* BGRA */
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data[offset+column] = checkBounds(b-source);
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data[offset+column+1] = checkBounds(g-source);
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data[offset+column+2] = checkBounds(r-source);
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data[offset+column+3]*=opacity;
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#endif
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}
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offset+=stride;
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}
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}
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static QPixmap recolour(const QImage &img, const QColor &col, double opacity=1.0)
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{
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QImage i=img;
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if (i.depth()!=32) {
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i=i.convertToFormat(QImage::Format_ARGB32);
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}
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adjustPix(i.bits(), 4, i.width(), i.height(), i.bytesPerLine(), col.red(), col.green(), col.blue(), opacity);
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return QPixmap::fromImage(i);
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}
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static Icon createRecolourableIcon(const QString &name, const QColor &stdColor, const QColor &highlightColor)
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{
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if (QColor(Qt::black)==stdColor) {
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// Text colour is black, so is icon, therefore no need to recolour!!!
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return Icon::create(name, constStdSizes);
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}
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Icon icon;
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foreach (int s, constStdSizes) {
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QImage img(QChar(':')+name+QString::number(s));
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if (!img.isNull()) {
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icon.addPixmap(recolour(img, stdColor));
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icon.addPixmap(recolour(img, stdColor, constDisabledOpacity), QIcon::Disabled);
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icon.addPixmap(recolour(img, highlightColor), QIcon::Active);
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}
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}
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return icon;
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}
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#ifndef ENABLE_KDE_SUPPORT
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Icon Icons::appIcon;
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Icon Icons::shortcutsIcon;
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#endif
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Icon Icons::singleIcon;
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Icon Icons::consumeIcon;
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Icon Icons::repeatIcon;
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Icon Icons::shuffleIcon;
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Icon Icons::libraryIcon;
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Icon Icons::radioStreamIcon;
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Icon Icons::addRadioStreamIcon;
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Icon Icons::wikiIcon;
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Icon Icons::albumIcon;
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Icon Icons::streamIcon;
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Icon Icons::configureIcon;
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Icon Icons::connectIcon;
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Icon Icons::disconnectIcon;
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Icon Icons::speakerIcon;
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Icon Icons::lyricsIcon;
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Icon Icons::dynamicIcon;
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Icon Icons::playlistIcon;
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Icon Icons::variousArtistsIcon;
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Icon Icons::artistIcon;
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Icon Icons::editIcon;
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Icon Icons::clearListIcon;
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Icon Icons::menuIcon;
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Icon Icons::jamendoIcon;
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Icon Icons::magnatuneIcon;
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Icon Icons::filesIcon;
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Icon Icons::toolbarMenuIcon;
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Icon Icons::toolbarPrevIcon;
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Icon Icons::toolbarPlayIcon;
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Icon Icons::toolbarPauseIcon;
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Icon Icons::toolbarNextIcon;
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Icon Icons::toolbarStopIcon;
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Icon Icons::toolbarVolumeMutedIcon;
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Icon Icons::toolbarVolumeLowIcon;
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Icon Icons::toolbarVolumeMediumIcon;
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Icon Icons::toolbarVolumeHighIcon;
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#ifdef PHONON_FOUND
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Icon Icons::toolbarStreamIcon;
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#endif
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static QColor stdColor;
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static QColor highlightColor;
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void Icons::init()
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{
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calcIconColors(stdColor, highlightColor);
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singleIcon=createSingleIcon(stdColor, highlightColor);
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consumeIcon=createConsumeIcon(stdColor, highlightColor);
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menuIcon=createMenuIcon(stdColor, highlightColor);
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libraryIcon=Icon("cantata-view-media-library");
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radioStreamIcon=Icon("cantata-view-radiostream");
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addRadioStreamIcon=Icon("cantata-radiostream-add");
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wikiIcon=Icon("cantata-view-wikipedia");
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albumIcon=Icon("media-optical");
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streamIcon=Icon("applications-internet");
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configureIcon=Icon("configure");
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connectIcon=Icon("dialog-ok");
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disconnectIcon=Icon("media-eject");
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speakerIcon=Icon("speaker");
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lyricsIcon=Icon("view-media-lyrics");
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dynamicIcon=Icon("media-playlist-shuffle");
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playlistIcon=Icon("view-media-playlist");
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variousArtistsIcon=Icon("cantata-view-media-artist-various");
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artistIcon=Icon("view-media-artist");
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editIcon=Icon("document-edit");
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clearListIcon=Icon("edit-clear-list");
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repeatIcon=createRecolourableIcon("repeat", stdColor, highlightColor);
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shuffleIcon=createRecolourableIcon("shuffle", stdColor, highlightColor);
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jamendoIcon=Icon("cantata-view-services-jamendo");
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magnatuneIcon=Icon("cantata-view-services-jamendo");
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filesIcon=Icon("document-multiple");
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#ifndef ENABLE_KDE_SUPPORT
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appIcon=Icon::create("cantata", QList<int>() << 16 << 22 << 32 << 48 << 64);
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shortcutsIcon=Icon("preferences-desktop-keyboard");
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if (libraryIcon.isNull()) {
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libraryIcon=Icon::create("lib", constStdSizes);
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}
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if (radioStreamIcon.isNull()) {
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radioStreamIcon=Icon::create("radio", constStdSizes);
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}
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if (addRadioStreamIcon.isNull()) {
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addRadioStreamIcon=Icon::create("addradio", constStdSizes);
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}
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if (wikiIcon.isNull()) {
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wikiIcon=Icon::create("wiki", constStdSizes);
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}
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if (variousArtistsIcon.isNull()) {
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variousArtistsIcon=Icon::create("va", QList<int>() << 16 << 22 << 32 << 48 << 64 << 128);
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}
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if (artistIcon.isNull()) {
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artistIcon=Icon::create("artist", QList<int>() << 16 << 22 << 32 << 48 << 64 << 128);
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}
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if (jamendoIcon.isNull()) {
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jamendoIcon=Icon::create("jamendo", constStdSizes);
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}
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if (magnatuneIcon.isNull()) {
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magnatuneIcon=Icon::create("magnatune", constStdSizes);
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}
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#ifndef Q_OS_WIN
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if (shortcutsIcon.isNull()) {
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shortcutsIcon=Icon("keyboard");
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}
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if (albumIcon.isNull()) {
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albumIcon=Icon("media-optical-audio");
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}
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if (configureIcon.isNull()) {
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configureIcon=Icon("gtk-preferences");
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}
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if (connectIcon.isNull()) {
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connectIcon=Icon("gtk-stock-ok");
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}
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//if (disconnectIcon.isNull()) {
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// disconnectIcon=Icon("media-eject");
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//}
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if (speakerIcon.isNull()) {
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speakerIcon=Icon("audio-speakers");
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if (speakerIcon.isNull()) {
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speakerIcon=Icon("gnome-volume-control");
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}
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}
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if (lyricsIcon.isNull()) {
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lyricsIcon=Icon("text-x-generic");
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}
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if (dynamicIcon.isNull()) {
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dynamicIcon=Icon("text-x-generic");
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}
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if (playlistIcon.isNull()) {
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playlistIcon=Icon("audio-x-mp3-playlist");
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if (playlistIcon.isNull()) {
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playlistIcon=Icon("audio-x-generic");
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}
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}
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if (editIcon.isNull()) {
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editIcon=Icon("gtk-edit");
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}
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if (clearListIcon.isNull()) {
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clearListIcon=Icon("edit-delete");
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}
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if (filesIcon.isNull()) {
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filesIcon=Icon("empty");
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}
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#endif // Q_OS_WIN
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#endif // ENABLE_KDE_SUPPORT
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}
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#if !defined ENABLE_KDE_SUPPORT && !defined Q_OS_WIN
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// For some reason, the -symbolic icons on Ubuntu have a lighter colour when disabled!
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// This looks odd to me, so base the disabled icon on the enabled version but with opacity
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// set to default value...
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static void setDisabledOpacity(Icon &icon)
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{
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Icon copy;
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for (int i=0; i<2; ++i) {
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QIcon::State state=(QIcon::State)i;
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for (int j=0; j<4; ++j) {
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QIcon::Mode mode=(QIcon::Mode)j;
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QList<int> sizes=constStdSizes;
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foreach (const int sz, sizes) {
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if (QIcon::Disabled==mode) {
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QPixmap pix=icon.pixmap(QSize(sz, sz), QIcon::Normal, state);
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if (!pix.isNull()) {
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QPixmap dis(sz, sz);
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dis.fill(Qt::transparent);
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QPainter p(&dis);
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p.setOpacity(constDisabledOpacity);
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p.drawPixmap(0, 0, pix);
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p.end();
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copy.addPixmap(dis, mode, state);
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}
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} else {
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copy.addPixmap(icon.pixmap(QSize(sz, sz), mode, state), mode, state);
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}
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}
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}
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}
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icon=copy;
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}
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#else
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#define setDisabledOpacity(A) ;
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#endif
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void Icons::initToolbarIcons(const QColor &color)
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{
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bool light=isLight(color);
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QColor col(light ? Qt::white : Qt::black);
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QColor highlight(light ? col.darker(constShadeFactor) : col.lighter(constShadeFactor));
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if (stdColor!=col) {
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toolbarMenuIcon=createMenuIcon(col, highlight);
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} else {
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toolbarMenuIcon=menuIcon;
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}
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#if !defined ENABLE_KDE_SUPPORT && !defined Q_OS_WIN
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if (light) {
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toolbarPrevIcon=Icon("media-skip-backward-symbolic");
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toolbarPlayIcon=Icon("media-playback-start-symbolic");
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toolbarPauseIcon=Icon("media-playback-pause-symbolic");
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toolbarStopIcon=Icon("media-playback-stop-symbolic");
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toolbarNextIcon=Icon("media-skip-forward-symbolic");
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toolbarVolumeMutedIcon=Icon("audio-volume-muted-symbolic");
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toolbarVolumeLowIcon=Icon("audio-volume-low-symbolic");
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toolbarVolumeMediumIcon=Icon("audio-volume-medium-symbolic");
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toolbarVolumeHighIcon=Icon("audio-volume-high-symbolic");
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}
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#endif
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if (toolbarPrevIcon.isNull()) {
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toolbarPrevIcon=Icon("media-skip-backward");
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} else {
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setDisabledOpacity(toolbarPrevIcon);
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}
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if (toolbarPlayIcon.isNull()) {
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toolbarPlayIcon=Icon("media-playback-start");
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} else {
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setDisabledOpacity(toolbarPlayIcon);
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}
|
|
if (toolbarPauseIcon.isNull()) {
|
|
toolbarPauseIcon=Icon("media-playback-pause");
|
|
} else {
|
|
setDisabledOpacity(toolbarPauseIcon);
|
|
}
|
|
if (toolbarStopIcon.isNull()) {
|
|
toolbarStopIcon=Icon("media-playback-stop");
|
|
} else {
|
|
setDisabledOpacity(toolbarStopIcon);
|
|
}
|
|
if (toolbarNextIcon.isNull()) {
|
|
toolbarNextIcon=Icon("media-skip-forward");
|
|
} else {
|
|
setDisabledOpacity(toolbarNextIcon);
|
|
}
|
|
if (toolbarVolumeMutedIcon.isNull()) {
|
|
toolbarVolumeMutedIcon=Icon("audio-volume-muted");
|
|
}
|
|
if (toolbarVolumeLowIcon.isNull()) {
|
|
toolbarVolumeLowIcon=Icon("audio-volume-low");
|
|
}
|
|
if (toolbarVolumeMediumIcon.isNull()) {
|
|
toolbarVolumeMediumIcon=Icon("audio-volume-medium");
|
|
}
|
|
if (toolbarVolumeHighIcon.isNull()) {
|
|
toolbarVolumeHighIcon=Icon("audio-volume-high");
|
|
}
|
|
|
|
#ifdef PHONON_FOUND
|
|
toolbarStreamIcon=streamIcon;
|
|
#endif
|
|
}
|