152 lines
4.2 KiB
C++
152 lines
4.2 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 "collapsiblewidget.h"
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#include <QDebug>
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#include <QLabel>
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#include <QLayout>
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#include <QHBoxLayout>
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#include <QVBoxLayout>
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#include <QPushButton>
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#include <QMouseEvent>
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#include <QWidget>
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#include <QPainter>
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#include "ui/icons.h"
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#include "global/debug.h"
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CollapsibleWidget::CollapsibleWidget(QWidget* parent) : QWidget(parent) {
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selected = false;
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layout = new QVBoxLayout(this);
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layout->setMargin(0);
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layout->setSpacing(0);
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title_bar = new CollapsibleWidgetHeader(this);
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title_bar->setFocusPolicy(Qt::ClickFocus);
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title_bar->setAutoFillBackground(true);
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title_bar_layout = new QHBoxLayout(title_bar);
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title_bar_layout->setMargin(5);
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enabled_check = new QCheckBox(title_bar);
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enabled_check->setChecked(true);
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header = new QLabel(title_bar);
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collapse_button = new QPushButton(title_bar);
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collapse_button->setIconSize(collapse_button->iconSize()*0.5);
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collapse_button->setFlat(true);
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SetTitle(tr("<untitled>"));
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title_bar_layout->addWidget(collapse_button);
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title_bar_layout->addWidget(enabled_check);
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title_bar_layout->addWidget(header);
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title_bar_layout->addStretch();
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layout->addWidget(title_bar);
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connect(title_bar, SIGNAL(select(bool, bool)), this, SLOT(header_click(bool, bool)));
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set_button_icon(true);
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contents = nullptr;
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}
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void CollapsibleWidget::header_click(bool s, bool deselect) {
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selected = s;
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title_bar->selected = s;
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if (s) {
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QPalette p = title_bar->palette();
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p.setColor(QPalette::Background, QColor(255, 255, 255, 64));
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title_bar->setPalette(p);
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} else {
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title_bar->setPalette(palette());
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}
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if (deselect) emit deselect_others(this);
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}
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bool CollapsibleWidget::IsFocused() {
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if (hasFocus()) return true;
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return title_bar->hasFocus();
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}
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bool CollapsibleWidget::IsExpanded() {
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return contents->isVisible();
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}
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void CollapsibleWidget::SetExpanded(bool s)
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{
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contents->setVisible(s);
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set_button_icon(s);
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emit visibleChanged(s);
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}
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bool CollapsibleWidget::IsSelected()
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{
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return selected;
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}
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void CollapsibleWidget::set_button_icon(bool open) {
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collapse_button->setIcon(open ? olive::icon::DownArrow : olive::icon::RightArrow);
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}
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void CollapsibleWidget::SetContents(QWidget* c) {
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bool existing = (contents != nullptr);
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contents = c;
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if (!existing) {
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layout->addWidget(contents);
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connect(enabled_check, SIGNAL(toggled(bool)), contents, SLOT(setEnabled(bool)));
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connect(collapse_button, SIGNAL(clicked()), this, SLOT(on_visible_change()));
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}
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}
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QString CollapsibleWidget::Title()
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{
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return header->text();
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}
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void CollapsibleWidget::SetTitle(const QString &s) {
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header->setText(s);
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}
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void CollapsibleWidget::on_visible_change() {
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SetExpanded(!IsExpanded());
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}
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CollapsibleWidgetHeader::CollapsibleWidgetHeader(QWidget* parent) : QWidget(parent), selected(false) {
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setContextMenuPolicy(Qt::CustomContextMenu);
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}
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void CollapsibleWidgetHeader::mousePressEvent(QMouseEvent* event) {
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if (selected) {
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if ((event->modifiers() & Qt::ShiftModifier)) {
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selected = false;
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emit select(selected, false);
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}
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} else {
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selected = true;
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emit select(selected, !(event->modifiers() & Qt::ShiftModifier));
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}
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}
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void CollapsibleWidgetHeader::paintEvent(QPaintEvent *event) {
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QWidget::paintEvent(event);
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QPainter p(this);
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p.setPen(Qt::white);
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int line_y = height() - 1;
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p.drawLine(0, line_y, width(), line_y);
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}
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