/* * Copyright 2019 Michail Vourlakos * * This file is part of Latte-Dock * * Latte-Dock is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * Latte-Dock is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * */ #include "generictools.h" // Qt #include #include #include #include namespace Latte { const int ICONMARGIN = 1; const int INDICATORCHANGESLENGTH = 6; const int INDICATORCHANGESMARGIN = 2; const int MARGIN = 2; bool isEnabled(const QStyleOption &option) { if (option.state & QStyle::State_Enabled) { return true; } return false; } bool isActive(const QStyleOption &option) { if (option.state & QStyle::State_Active) { return true; } return false; } bool isSelected(const QStyleOption &option) { if (option.state & QStyle::State_Selected) { return true; } return false; } bool isHovered(const QStyleOption &option) { if (option.state & QStyle::State_MouseOver) { return true; } return false; } bool isFocused(const QStyleOption &option) { if (option.state & QStyle::State_HasFocus) { return true; } return false; } bool isTextCentered(const QStyleOptionViewItem &option) { if (option.displayAlignment & Qt::AlignHCenter) { return true; } return false; } QPalette::ColorGroup colorGroup(const QStyleOption &option) { if (!isEnabled(option)) { return QPalette::Disabled; } if (isActive(option) || isFocused(option)) { return QPalette::Active; } if (!isActive(option) && isSelected(option)) { return QPalette::Inactive; } return QPalette::Normal; } QStringList subtracted(const QStringList &original, const QStringList ¤t) { QStringList subtract; for(int i=0; isave(); bool isTextCentered = Latte::isTextCentered(option); QPalette::ColorRole applyColor = Latte::isSelected(option) ? QPalette::HighlightedText : QPalette::Text; QBrush nBrush = option.palette.brush(Latte::colorGroup(option), applyColor); QString css = QString("body { color : %1; }").arg(nBrush.color().name()); QTextDocument doc; doc.setDefaultStyleSheet(css); doc.setHtml("" + option.text + ""); QStyleOptionViewItem tempOptions = option; tempOptions.text = ""; option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &tempOptions, painter); //we need an offset to be in the same vertical center of TextEdit int offsetY = ((option.rect.height() - doc.size().height()) / 2); int textWidth = doc.size().width(); int textY = option.rect.top() + offsetY + 1; if (isTextCentered) { int textX = qMax(0, (option.rect.width() / 2) - (textWidth/2)); painter->translate(option.rect.left() + textX, textY); } else if (qApp->layoutDirection() == Qt::RightToLeft) { painter->translate(qMax(option.rect.left(), option.rect.right() - textWidth), textY); } else { painter->translate(option.rect.left(), textY); } QRect clip(0, 0, option.rect.width(), option.rect.height()); doc.drawContents(painter, clip); painter->restore(); } void drawLayoutIcon(QPainter *painter, const QStyleOption &option, const QRect &target, const Latte::Data::LayoutIcon &icon) { bool active = Latte::isActive(option); bool selected = Latte::isSelected(option); bool focused = Latte::isFocused(option); painter->setRenderHint(QPainter::Antialiasing, true); if (icon.isBackgroundFile) { int backImageMargin = qMin(option.rect.height()/4, ICONMARGIN+2); QRect backTarget(target.x() + backImageMargin, target.y() + backImageMargin, target.width() - 2*backImageMargin, target.height() - 2*backImageMargin); QPixmap backImage(icon.name); backImage = backImage.copy(backTarget); QPalette::ColorRole textColorRole = selected ? QPalette::HighlightedText : QPalette::Text; QBrush imageBrush(backImage); QPen pen; pen.setWidth(1); pen.setColor(option.palette.color(Latte::colorGroup(option), textColorRole)); painter->setBrush(imageBrush); painter->setPen(pen); painter->drawEllipse(backTarget); } else { QIcon::Mode mode = ((active && (selected || focused)) ? QIcon::Selected : QIcon::Normal); painter->drawPixmap(target, QIcon::fromTheme(icon.name).pixmap(target.height(), target.height(), mode)); } } QRect remainedFromChangesIndicator(const QStyleOptionViewItem &option) { int tsize{INDICATORCHANGESLENGTH + INDICATORCHANGESMARGIN*2}; QRect optionRemainedRect = (qApp->layoutDirection() == Qt::RightToLeft) ? QRect(option.rect.x() + tsize, option.rect.y(), option.rect.width() - tsize, option.rect.height()) : QRect(option.rect.x(), option.rect.y(), option.rect.width() - tsize, option.rect.height()); return optionRemainedRect; } void drawChangesIndicatorBackground(QPainter *painter, const QStyleOptionViewItem &option) { int tsize{INDICATORCHANGESLENGTH + INDICATORCHANGESMARGIN*2}; QStyleOptionViewItem indicatorOption = option; indicatorOption.text = ""; //! Remove the focus dotted lines indicatorOption.state = (option.state & ~QStyle::State_HasFocus); if (qApp->layoutDirection() == Qt::RightToLeft) { indicatorOption.rect = QRect(option.rect.x(), option.rect.y(), tsize, option.rect.height()); } else { indicatorOption.rect = QRect(option.rect.x() + option.rect.width() - tsize, option.rect.y(), tsize, option.rect.height()); } option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &indicatorOption, painter); } void drawChangesIndicator(QPainter *painter, const QStyleOptionViewItem &option) { //! draw changes circle indicator int csize{INDICATORCHANGESLENGTH}; int tsize{INDICATORCHANGESLENGTH + INDICATORCHANGESMARGIN*2}; painter->save(); QRect changesRect = (qApp->layoutDirection() == Qt::RightToLeft) ? QRect(option.rect.x() + INDICATORCHANGESMARGIN, option.rect.y() + option.rect.height()/2 - csize/2, csize, csize) : QRect(option.rect.x() + option.rect.width() - csize - INDICATORCHANGESMARGIN, option.rect.y() + option.rect.height()/2 - csize/2, csize, csize); QColor plasmaOrange(246, 116, 0); //orangish color used from plasma systemsettings #f67400 QBrush backBrush(plasmaOrange); QPen pen; pen.setWidth(1); pen.setColor(plasmaOrange); painter->setBrush(backBrush); painter->setPen(pen); painter->drawEllipse(changesRect); painter->restore(); } int screenMaxLength(const QStyleOptionViewItem &option) { int scr_maxlength = option.rect.height() * 1.7; //! provide odd screen_maxlength if (scr_maxlength % 2 == 0) { scr_maxlength--; } return scr_maxlength; } QRect remainedFromScreenDrawing(const QStyleOptionViewItem &option) { int total_length = screenMaxLength(option) + MARGIN * 2 + 1; QRect optionRemainedRect = (qApp->layoutDirection() == Qt::RightToLeft) ? QRect(option.rect.x(), option.rect.y(), option.rect.width() - total_length, option.rect.height()) : QRect(option.rect.x() + total_length, option.rect.y(), option.rect.width() - total_length, option.rect.height()); return optionRemainedRect; } void drawScreenBackground(QPainter *painter, const QStyleOptionViewItem &option) { int total_length = screenMaxLength(option) + MARGIN * 2 + 1; QStyleOptionViewItem screenOption = option; screenOption.text = ""; //! Remove the focus dotted lines screenOption.state = (option.state & ~QStyle::State_HasFocus); if (qApp->layoutDirection() == Qt::RightToLeft) { screenOption.rect = QRect(option.rect.x() + option.rect.width() - total_length, option.rect.y(), total_length, option.rect.height()); } else { screenOption.rect = QRect(option.rect.x(), option.rect.y(), total_length, option.rect.height()); } option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &screenOption, painter); } QRect drawScreen(QPainter *painter, const QStyleOptionViewItem &option, QRect screenGeometry) { float scr_ratio = (float)screenGeometry.width() / (float)screenGeometry.height(); bool isVertical = (scr_ratio < 1.0); int scr_maxlength = screenMaxLength(option); int scr_maxthickness = option.rect.height() - MARGIN * 2; int total_length = scr_maxlength + MARGIN * 2; int pen_width = 2; painter->save(); painter->setRenderHint(QPainter::Antialiasing, true); scr_ratio = qMin(qMax((float)0.75, scr_ratio), (float)1.7); int scr_height = (!isVertical ? option.rect.height() - MARGIN * 6 : option.rect.height() - MARGIN * 4); int scr_width = scr_ratio * scr_height; //! provide even screen width and height if (scr_width % 2 == 1) { scr_width++; } //! provide even screen width and height if (scr_height % 2 == 0) { scr_height++; } QRect screenMaximumRect = (qApp->layoutDirection() == Qt::RightToLeft) ? QRect(option.rect.x() + option.rect.width() - scr_maxlength - MARGIN, option.rect.y() + MARGIN, scr_maxlength, scr_maxthickness - 1) : QRect(option.rect.x() + MARGIN , option.rect.y() + MARGIN, scr_maxlength, scr_maxthickness - 1); int topScreenMargin = (screenMaximumRect.height() - scr_height) / 2; int leftScreenMargin = (screenMaximumRect.width() - scr_width) / 2; QRect screenRect(screenMaximumRect.x() + leftScreenMargin + MARGIN/2, screenMaximumRect.y() + topScreenMargin, scr_width, scr_height); QRect screenAvailableRect(screenRect.x() + pen_width - 1, screenRect.y() + pen_width - 1, screenRect.width() - pen_width - 1, screenRect.height() - pen_width - 1); bool selected = Latte::isSelected(option); QPalette::ColorRole textColorRole = selected ? QPalette::HighlightedText : QPalette::Text; QPen pen; pen.setWidth(pen_width); pen.setColor(option.palette.color(Latte::colorGroup(option), textColorRole)); painter->setPen(pen); painter->drawRect(screenRect); pen.setWidth(1); painter->setPen(pen); int basex = screenRect.x() + (screenRect.width()/2) - 4; int basey = screenRect.y() + screenRect.height() + 2; painter->setRenderHint(QPainter::Antialiasing, false); painter->drawLine(basex , basey, basex + 8, basey); // debug screen maximum available rect //painter->drawRect(screenMaximumRect); painter->restore(); return screenAvailableRect; } void drawView(QPainter *painter, const QStyleOptionViewItem &option, const Latte::Data::View &view, const QRect &availableScreenRect) { int thick = 4; painter->save(); bool selected = Latte::isSelected(option); QPalette::ColorRole viewColorRole = !selected ? QPalette::Highlight : QPalette::Text; QPen pen; pen.setWidth(thick); pen.setColor(option.palette.color(Latte::colorGroup(option), viewColorRole)); painter->setPen(pen); int x = availableScreenRect.x(); int y = availableScreenRect.y(); int length = view.isVertical() ? availableScreenRect.height() - thick + 1 : availableScreenRect.width() - thick + 1; int max_length = length; if (view.alignment != Latte::Types::Justify) { length = 0.5 * length; } //! provide even screen length if (length % 2 == 1) { length = qMin(max_length, length + 1); } if (view.edge == Plasma::Types::TopEdge) { y = availableScreenRect.y() + thick/2; } else if (view.edge == Plasma::Types::BottomEdge) { y = availableScreenRect.y() + availableScreenRect.height() - 1; } else if (view.edge == Plasma::Types::LeftEdge) { x = availableScreenRect.x() + thick/2; } else if (view.edge == Plasma::Types::RightEdge) { x = availableScreenRect.x() + availableScreenRect.width() - 1; } if (view.isHorizontal()) { if (view.alignment == Latte::Types::Left) { x = availableScreenRect.x() + thick / 2; } else if (view.alignment == Latte::Types::Right) { x = availableScreenRect.x() + availableScreenRect.width() - length - 1; } else if (view.alignment == Latte::Types::Center) { int leftmargin = (availableScreenRect.width()/2) - (length/2); x = availableScreenRect.x() + leftmargin + 1; } else if (view.alignment == Latte::Types::Justify) { x = availableScreenRect.x() + thick / 2; } } else if (view.isVertical()) { if (view.alignment == Latte::Types::Top) { y = availableScreenRect.y() + thick / 2; } else if (view.alignment == Latte::Types::Bottom) { y = availableScreenRect.y() + availableScreenRect.height() - length - 1; } else if (view.alignment == Latte::Types::Center) { int topmargin = (availableScreenRect.height()/2) - (length/2); y = availableScreenRect.y() + topmargin + 1; } else if (view.alignment == Latte::Types::Justify) { y = availableScreenRect.y() + thick / 2; } } if (view.isHorizontal()) { painter->drawLine(x, y, x + length, y); } else if (view.isVertical()) { painter->drawLine(x, y, x, y + length); } painter->restore(); } }