mirror of
https://github.com/KDE/latte-dock.git
synced 2025-01-11 13:18:13 +03:00
421 lines
14 KiB
C++
421 lines
14 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 <QDebug>
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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 remainedFromChangesIndicator(const QStyleOptionViewItem &option)
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{
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int tsize{INDICATORCHANGESLENGTH + INDICATORCHANGESMARGIN*2};
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QRect optionRemainedRect = (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 optionRemainedRect;
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}
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void 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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//! Remove the focus dotted lines
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indicatorOption.state = (option.state & ~QStyle::State_HasFocus);
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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());
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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());
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}
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option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &indicatorOption, painter);
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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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int screenMaxLength(const QStyleOptionViewItem &option)
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{
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int scr_maxlength = option.rect.height() * 1.7;
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//! provide odd screen_maxlength
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if (scr_maxlength % 2 == 0) {
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scr_maxlength--;
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}
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return scr_maxlength;
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}
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QRect remainedFromScreenDrawing(const QStyleOptionViewItem &option)
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{
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int total_length = screenMaxLength(option) + MARGIN * 2 + 1;
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QRect optionRemainedRect = (qApp->layoutDirection() == Qt::RightToLeft) ? QRect(option.rect.x(), option.rect.y(), option.rect.width() - total_length, option.rect.height()) :
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QRect(option.rect.x() + total_length, option.rect.y(), option.rect.width() - total_length, option.rect.height());
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return optionRemainedRect;
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}
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void drawScreenBackground(QPainter *painter, const QStyleOptionViewItem &option)
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{
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int total_length = screenMaxLength(option) + MARGIN * 2 + 1;
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QStyleOptionViewItem screenOption = option;
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screenOption.text = "";
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//! Remove the focus dotted lines
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screenOption.state = (option.state & ~QStyle::State_HasFocus);
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if (qApp->layoutDirection() == Qt::RightToLeft) {
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screenOption.rect = QRect(option.rect.x() + option.rect.width() - total_length, option.rect.y(), total_length, option.rect.height());
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} else {
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screenOption.rect = QRect(option.rect.x(), option.rect.y(), total_length, option.rect.height());
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}
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option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &screenOption, painter);
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}
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QRect drawScreen(QPainter *painter, const QStyleOptionViewItem &option, QRect screenGeometry)
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{
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float scr_ratio = (float)screenGeometry.width() / (float)screenGeometry.height();
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bool isVertical = (scr_ratio < 1.0);
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int scr_maxlength = screenMaxLength(option);
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int scr_maxthickness = option.rect.height() - MARGIN * 2;
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int total_length = scr_maxlength + MARGIN * 2;
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int pen_width = 2;
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painter->save();
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painter->setRenderHint(QPainter::Antialiasing, true);
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scr_ratio = qMin(qMax((float)0.75, scr_ratio), (float)1.7);
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int scr_height = (!isVertical ? option.rect.height() - MARGIN * 6 : option.rect.height() - MARGIN * 4);
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int scr_width = scr_ratio * scr_height;
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//! provide even screen width and height
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if (scr_width % 2 == 1) {
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scr_width++;
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}
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//! provide even screen width and height
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if (scr_height % 2 == 0) {
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scr_height++;
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}
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QRect screenMaximumRect = (qApp->layoutDirection() == Qt::RightToLeft) ?
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QRect(option.rect.x() + option.rect.width() - scr_maxlength - MARGIN, option.rect.y() + MARGIN, scr_maxlength, scr_maxthickness - 1) :
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QRect(option.rect.x() + MARGIN , option.rect.y() + MARGIN, scr_maxlength, scr_maxthickness - 1);
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int topScreenMargin = (screenMaximumRect.height() - scr_height) / 2;
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int leftScreenMargin = (screenMaximumRect.width() - scr_width) / 2;
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QRect screenRect(screenMaximumRect.x() + leftScreenMargin + MARGIN/2, screenMaximumRect.y() + topScreenMargin, scr_width, scr_height);
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QRect screenAvailableRect(screenRect.x() + pen_width - 1, screenRect.y() + pen_width - 1, screenRect.width() - pen_width - 1, screenRect.height() - pen_width - 1);
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bool selected = Latte::isSelected(option);
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QPalette::ColorRole textColorRole = selected ? QPalette::HighlightedText : QPalette::Text;
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QPen pen; pen.setWidth(pen_width);
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pen.setColor(option.palette.color(Latte::colorGroup(option), textColorRole));
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painter->setPen(pen);
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painter->drawRect(screenRect);
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pen.setWidth(1);
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painter->setPen(pen);
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int basex = screenRect.x() + (screenRect.width()/2) - 4;
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int basey = screenRect.y() + screenRect.height() + 2;
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painter->setRenderHint(QPainter::Antialiasing, false);
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painter->drawLine(basex , basey, basex + 8, basey);
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// debug screen maximum available rect
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//painter->drawRect(screenMaximumRect);
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painter->restore();
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return screenAvailableRect;
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}
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void drawView(QPainter *painter, const QStyleOptionViewItem &option, const Latte::Data::View &view, const QRect &availableScreenRect)
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{
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int thick = 4;
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painter->save();
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bool selected = Latte::isSelected(option);
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QPalette::ColorRole viewColorRole = !selected ? QPalette::Highlight : QPalette::Text;
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QPen pen; pen.setWidth(thick);
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pen.setColor(option.palette.color(Latte::colorGroup(option), viewColorRole));
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painter->setPen(pen);
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int x = availableScreenRect.x();
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int y = availableScreenRect.y();
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int length = view.isVertical() ? availableScreenRect.height() - thick + 1 : availableScreenRect.width() - thick + 1;
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int max_length = length;
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if (view.alignment != Latte::Types::Justify) {
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length = 0.5 * length;
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}
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//! provide even screen length
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if (length % 2 == 1) {
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length = qMin(max_length, length + 1);
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}
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if (view.edge == Plasma::Types::TopEdge) {
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y = availableScreenRect.y() + thick/2;
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} else if (view.edge == Plasma::Types::BottomEdge) {
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y = availableScreenRect.y() + availableScreenRect.height() - 1;
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} else if (view.edge == Plasma::Types::LeftEdge) {
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x = availableScreenRect.x() + thick/2;
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} else if (view.edge == Plasma::Types::RightEdge) {
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x = availableScreenRect.x() + availableScreenRect.width() - 1;
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}
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if (view.isHorizontal()) {
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if (view.alignment == Latte::Types::Left) {
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x = availableScreenRect.x() + thick / 2;
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} else if (view.alignment == Latte::Types::Right) {
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x = availableScreenRect.x() + availableScreenRect.width() - length - 1;
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} else if (view.alignment == Latte::Types::Center) {
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int leftmargin = (availableScreenRect.width()/2) - (length/2);
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x = availableScreenRect.x() + leftmargin + 1;
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} else if (view.alignment == Latte::Types::Justify) {
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x = availableScreenRect.x() + thick / 2;
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}
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} else if (view.isVertical()) {
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if (view.alignment == Latte::Types::Top) {
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y = availableScreenRect.y() + thick / 2;
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} else if (view.alignment == Latte::Types::Bottom) {
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y = availableScreenRect.y() + availableScreenRect.height() - length - 1;
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} else if (view.alignment == Latte::Types::Center) {
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int topmargin = (availableScreenRect.height()/2) - (length/2);
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y = availableScreenRect.y() + topmargin + 1;
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} else if (view.alignment == Latte::Types::Justify) {
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y = availableScreenRect.y() + thick / 2;
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}
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}
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if (view.isHorizontal()) {
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painter->drawLine(x, y, x + length, y);
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} else if (view.isVertical()) {
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painter->drawLine(x, y, x, y + length);
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}
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painter->restore();
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}
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}
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