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latte-dock/app/settings/generic/generictools.cpp

139 lines
3.4 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 <QStyle>
namespace Latte {
const int MARGIN = 1;
bool isEnabled(const QStyleOptionViewItem &option)
{
if (option.state & QStyle::State_Enabled) {
return true;
}
return false;
}
bool isActive(const QStyleOptionViewItem &option)
{
if (option.state & QStyle::State_Active) {
return true;
}
return false;
}
bool isSelected(const QStyleOptionViewItem &option)
{
if (option.state & QStyle::State_Selected) {
return true;
}
return false;
}
bool isHovered(const QStyleOptionViewItem &option)
{
if (option.state & QStyle::State_MouseOver) {
return true;
}
return false;
}
bool isFocused(const QStyleOptionViewItem &option)
{
if (option.state & QStyle::State_HasFocus) {
return true;
}
return false;
}
QPalette::ColorGroup colorGroup(const QStyleOptionViewItem &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 drawLayoutIcon(QPainter *painter, const QStyleOptionViewItem &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, MARGIN+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));
}
}
}