1
0
mirror of https://github.com/KDE/latte-dock.git synced 2025-01-11 13:18:13 +03:00
latte-dock/app/settings/generic/generictools.cpp
2021-04-10 20:28:44 +03:00

235 lines
7.1 KiB
C++

/*
* Copyright 2019 Michail Vourlakos <mvourlakos@gmail.com>
*
* 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 <http://www.gnu.org/licenses/>.
*
*/
#include "generictools.h"
// Qt
#include <QApplication>
#include <QStyle>
#include <QTextDocument>
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 &current)
{
QStringList subtract;
for(int i=0; i<original.count(); ++i) {
if (!current.contains(original[i])) {
subtract << original[i];
}
}
return subtract;
}
void drawFormattedText(QPainter *painter, const QStyleOptionViewItem &option)
{
painter->save();
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("<body>" + option.text + "</body>");
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 drawChangesIndicatorBackground(QPainter *painter, const QStyleOptionViewItem &option)
{
int tsize{INDICATORCHANGESLENGTH + INDICATORCHANGESMARGIN*2};
QStyleOptionViewItem indicatorOption = option;
indicatorOption.text = "";
if (qApp->layoutDirection() == Qt::RightToLeft) {
indicatorOption.rect = QRect(option.rect.x(), option.rect.y(), tsize, option.rect.height() + 1);
} else {
indicatorOption.rect = QRect(option.rect.x() + option.rect.width() - tsize, option.rect.y(), tsize, option.rect.height() + 1);
}
option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &indicatorOption, painter);
QRect availableRect = (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 availableRect;
}
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();
}
}