mirror of
https://github.com/KDE/latte-dock.git
synced 2025-01-11 13:18:13 +03:00
235 lines
7.1 KiB
C++
235 lines
7.1 KiB
C++
/*
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* Copyright 2019 Michail Vourlakos <mvourlakos@gmail.com>
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*
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* This file is part of Latte-Dock
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*
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* Latte-Dock is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* Latte-Dock 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
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* GNU 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. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "generictools.h"
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// Qt
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#include <QApplication>
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#include <QStyle>
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#include <QTextDocument>
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namespace Latte {
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const int ICONMARGIN = 1;
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const int INDICATORCHANGESLENGTH = 6;
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const int INDICATORCHANGESMARGIN = 2;
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const int MARGIN = 2;
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bool isEnabled(const QStyleOption &option)
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{
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if (option.state & QStyle::State_Enabled) {
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return true;
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}
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return false;
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}
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bool isActive(const QStyleOption &option)
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{
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if (option.state & QStyle::State_Active) {
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return true;
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}
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return false;
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}
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bool isSelected(const QStyleOption &option)
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{
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if (option.state & QStyle::State_Selected) {
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return true;
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}
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return false;
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}
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bool isHovered(const QStyleOption &option)
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{
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if (option.state & QStyle::State_MouseOver) {
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return true;
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}
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return false;
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}
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bool isFocused(const QStyleOption &option)
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{
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if (option.state & QStyle::State_HasFocus) {
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return true;
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}
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return false;
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}
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bool isTextCentered(const QStyleOptionViewItem &option)
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{
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if (option.displayAlignment & Qt::AlignHCenter) {
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return true;
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}
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return false;
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}
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QPalette::ColorGroup colorGroup(const QStyleOption &option)
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{
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if (!isEnabled(option)) {
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return QPalette::Disabled;
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}
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if (isActive(option) || isFocused(option)) {
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return QPalette::Active;
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}
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if (!isActive(option) && isSelected(option)) {
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return QPalette::Inactive;
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}
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return QPalette::Normal;
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}
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QStringList subtracted(const QStringList &original, const QStringList ¤t)
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{
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QStringList subtract;
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for(int i=0; i<original.count(); ++i) {
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if (!current.contains(original[i])) {
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subtract << original[i];
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}
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}
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return subtract;
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}
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void drawFormattedText(QPainter *painter, const QStyleOptionViewItem &option)
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{
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painter->save();
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bool isTextCentered = Latte::isTextCentered(option);
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QPalette::ColorRole applyColor = Latte::isSelected(option) ? QPalette::HighlightedText : QPalette::Text;
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QBrush nBrush = option.palette.brush(Latte::colorGroup(option), applyColor);
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QString css = QString("body { color : %1; }").arg(nBrush.color().name());
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QTextDocument doc;
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doc.setDefaultStyleSheet(css);
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doc.setHtml("<body>" + option.text + "</body>");
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QStyleOptionViewItem tempOptions = option;
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tempOptions.text = "";
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option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &tempOptions, painter);
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//we need an offset to be in the same vertical center of TextEdit
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int offsetY = ((option.rect.height() - doc.size().height()) / 2);
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int textWidth = doc.size().width();
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int textY = option.rect.top() + offsetY + 1;
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if (isTextCentered) {
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int textX = qMax(0, (option.rect.width() / 2) - (textWidth/2));
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painter->translate(option.rect.left() + textX, textY);
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} else if (qApp->layoutDirection() == Qt::RightToLeft) {
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painter->translate(qMax(option.rect.left(), option.rect.right() - textWidth), textY);
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} else {
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painter->translate(option.rect.left(), textY);
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}
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QRect clip(0, 0, option.rect.width(), option.rect.height());
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doc.drawContents(painter, clip);
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painter->restore();
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}
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void drawLayoutIcon(QPainter *painter, const QStyleOption &option, const QRect &target, const Latte::Data::LayoutIcon &icon)
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{
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bool active = Latte::isActive(option);
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bool selected = Latte::isSelected(option);
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bool focused = Latte::isFocused(option);
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painter->setRenderHint(QPainter::Antialiasing, true);
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if (icon.isBackgroundFile) {
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int backImageMargin = qMin(option.rect.height()/4, ICONMARGIN+2);
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QRect backTarget(target.x() + backImageMargin, target.y() + backImageMargin, target.width() - 2*backImageMargin, target.height() - 2*backImageMargin);
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QPixmap backImage(icon.name);
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backImage = backImage.copy(backTarget);
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QPalette::ColorRole textColorRole = selected ? QPalette::HighlightedText : QPalette::Text;
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QBrush imageBrush(backImage);
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QPen pen; pen.setWidth(1);
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pen.setColor(option.palette.color(Latte::colorGroup(option), textColorRole));
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painter->setBrush(imageBrush);
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painter->setPen(pen);
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painter->drawEllipse(backTarget);
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} else {
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QIcon::Mode mode = ((active && (selected || focused)) ? QIcon::Selected : QIcon::Normal);
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painter->drawPixmap(target, QIcon::fromTheme(icon.name).pixmap(target.height(), target.height(), mode));
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}
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}
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QRect drawChangesIndicatorBackground(QPainter *painter, const QStyleOptionViewItem &option)
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{
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int tsize{INDICATORCHANGESLENGTH + INDICATORCHANGESMARGIN*2};
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QStyleOptionViewItem indicatorOption = option;
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indicatorOption.text = "";
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if (qApp->layoutDirection() == Qt::RightToLeft) {
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indicatorOption.rect = QRect(option.rect.x(), option.rect.y(), tsize, option.rect.height() + 1);
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} else {
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indicatorOption.rect = QRect(option.rect.x() + option.rect.width() - tsize, option.rect.y(), tsize, option.rect.height() + 1);
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}
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option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &indicatorOption, painter);
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QRect availableRect = (qApp->layoutDirection() == Qt::RightToLeft) ? QRect(option.rect.x() + tsize, option.rect.y(), option.rect.width() - tsize, option.rect.height()) :
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QRect(option.rect.x(), option.rect.y(), option.rect.width() - tsize, option.rect.height());
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return availableRect;
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}
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void drawChangesIndicator(QPainter *painter, const QStyleOptionViewItem &option)
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{
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//! draw changes circle indicator
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int csize{INDICATORCHANGESLENGTH};
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int tsize{INDICATORCHANGESLENGTH + INDICATORCHANGESMARGIN*2};
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painter->save();
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QRect changesRect = (qApp->layoutDirection() == Qt::RightToLeft) ? QRect(option.rect.x() + INDICATORCHANGESMARGIN, option.rect.y() + option.rect.height()/2 - csize/2, csize, csize) :
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QRect(option.rect.x() + option.rect.width() - csize - INDICATORCHANGESMARGIN, option.rect.y() + option.rect.height()/2 - csize/2, csize, csize);
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QColor plasmaOrange(246, 116, 0); //orangish color used from plasma systemsettings #f67400
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QBrush backBrush(plasmaOrange);
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QPen pen; pen.setWidth(1);
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pen.setColor(plasmaOrange);
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painter->setBrush(backBrush);
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painter->setPen(pen);
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painter->drawEllipse(changesRect);
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painter->restore();
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}
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}
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