Files
oak-editor/app/widget/slider/base/sliderlabel.cpp
T
2026-01-16 21:22:05 +08:00

116 lines
2.7 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2022 Olive Team
Modifications Copyright (C) 2025 mikesolar
This program 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 3 of the License, or
(at your option) any later version.
This program 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 "sliderlabel.h"
#include <QApplication>
#include <QMouseEvent>
#include <QDebug>
namespace olive
{
SliderLabel::SliderLabel(QWidget *parent)
: QLabel(parent)
, override_color_enabled_(false)
{
QPalette p = palette();
p.setColor(QPalette::Disabled, QPalette::Highlight,
p.color(QPalette::Disabled, QPalette::ButtonText));
setPalette(p);
// Use highlight color as font color
setForegroundRole(QPalette::Link);
// Set underlined
QFont f = font();
f.setUnderline(true);
setFont(f);
// Allow users to tab to this widget
setFocusPolicy(Qt::TabFocus);
// Add custom context menu
setContextMenuPolicy(Qt::CustomContextMenu);
}
void SliderLabel::SetColor(const QColor &c)
{
// Prevent infinite loop in changeEvent when we set the stylesheet
override_color_enabled_ = false;
override_color_ = c;
// Different colors will look different depending on the theme (light/dark mode). We abstract
// that away here so that other classes can simply choose a color and we will handle making it
// more legible based on the background
QColor adjusted;
if (palette().window().color().lightness() < 128) {
adjusted = override_color_.lighter(150);
} else {
adjusted = override_color_.darker(150);
}
setStyleSheet(QStringLiteral("color: %1").arg(adjusted.name()));
override_color_enabled_ = true;
}
void SliderLabel::mousePressEvent(QMouseEvent *e)
{
if (e->button() == Qt::LeftButton) {
if (e->modifiers() & Qt::AltModifier) {
emit RequestReset();
} else {
emit LabelPressed();
}
}
}
void SliderLabel::mouseReleaseEvent(QMouseEvent *e)
{
if (e->button() == Qt::LeftButton) {
if (!(e->modifiers() & Qt::AltModifier)) {
emit LabelReleased();
}
}
}
void SliderLabel::focusInEvent(QFocusEvent *event)
{
QWidget::focusInEvent(event);
if (event->reason() == Qt::TabFocusReason) {
emit focused();
}
}
void SliderLabel::changeEvent(QEvent *event)
{
QWidget::changeEvent(event);
if (override_color_enabled_ && event->type() == QEvent::StyleChange) {
SetColor(override_color_);
}
}
}