133 lines
2.8 KiB
C++
133 lines
2.8 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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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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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#include "sliderlabel.h"
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#include <QApplication>
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#include <QMouseEvent>
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#include <QDebug>
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#ifdef Q_OS_MAC
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#include <ApplicationServices/ApplicationServices.h>
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#endif
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OLIVE_NAMESPACE_ENTER
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SliderLabel::SliderLabel(QWidget *parent) :
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QLabel(parent),
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dragging_(false)
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{
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QPalette p = palette();
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p.setColor(QPalette::Disabled,
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QPalette::Highlight,
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p.color(QPalette::Disabled, QPalette::ButtonText));
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setPalette(p);
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// Use highlight color as font color
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setForegroundRole(QPalette::Highlight);
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// Set underlined
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QFont f = font();
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f.setUnderline(true);
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setFont(f);
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// Allow users to tab to this widget
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setFocusPolicy(Qt::TabFocus);
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}
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void SliderLabel::mousePressEvent(QMouseEvent *e)
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{
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if (e->modifiers() & Qt::AltModifier) {
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emit RequestReset();
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} else {
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#if defined(Q_OS_MAC)
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CGAssociateMouseAndMouseCursorPosition(false);
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CGDisplayHideCursor(kCGDirectMainDisplay);
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CGGetLastMouseDelta(nullptr, nullptr);
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#else
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drag_start_ = QCursor::pos();
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static_cast<QGuiApplication*>(QApplication::instance())->setOverrideCursor(Qt::BlankCursor);
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#endif
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emit drag_start();
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dragging_ = true;
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}
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}
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void SliderLabel::mouseMoveEvent(QMouseEvent *)
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{
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if (dragging_) {
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int32_t x_mvmt, y_mvmt;
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// Keep cursor in the same position
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#if defined(Q_OS_MAC)
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CGGetLastMouseDelta(&x_mvmt, &y_mvmt);
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#else
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QPoint current_pos = QCursor::pos();
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x_mvmt = current_pos.x() - drag_start_.x();
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y_mvmt = drag_start_.y() - current_pos.y();
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QCursor::setPos(drag_start_);
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#endif
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emit dragged(x_mvmt + y_mvmt);
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}
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}
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void SliderLabel::mouseReleaseEvent(QMouseEvent *)
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{
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if (dragging_) {
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#if defined(Q_OS_MAC)
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CGAssociateMouseAndMouseCursorPosition(true);
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CGDisplayShowCursor(kCGDirectMainDisplay);
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#else
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static_cast<QGuiApplication*>(QApplication::instance())->restoreOverrideCursor();
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#endif
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emit drag_stop();
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dragging_ = false;
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}
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}
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void SliderLabel::focusInEvent(QFocusEvent *event)
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{
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QWidget::focusInEvent(event);
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if (event->reason() == Qt::TabFocusReason) {
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emit focused();
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}
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}
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OLIVE_NAMESPACE_EXIT
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