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#include "collapsiblewidget.h"
#include "ui/checkboxex.h"
#include <QDebug>
#include <QLabel>
#include <QLayout>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QPushButton>
#include <QMouseEvent>
#include <QWidget>
#include <QPainter>
#include "debug.h"
CollapsibleWidget::CollapsibleWidget(QWidget* parent) : QWidget(parent) {
selected = false;
layout = new QVBoxLayout(this);
layout->setMargin(0);
layout->setSpacing(0);
title_bar = new CollapsibleWidgetHeader();
title_bar->setFocusPolicy(Qt::ClickFocus);
title_bar->setAutoFillBackground(true);
title_bar_layout = new QHBoxLayout();
title_bar_layout->setMargin(5);
title_bar->setLayout(title_bar_layout);
enabled_check = new CheckboxEx();
enabled_check->setChecked(true);
header = new QLabel();
collapse_button = new QPushButton("[-]");
collapse_button->setStyleSheet("QPushButton { border: none; } QPushButton:hover { text-decoration: underline; }");
collapse_button->setMaximumWidth(25);
setText("<untitled>");
title_bar_layout->addWidget(collapse_button);
title_bar_layout->addWidget(enabled_check);
title_bar_layout->addWidget(header);
title_bar_layout->addStretch();
layout->addWidget(title_bar);
connect(title_bar, SIGNAL(select(bool, bool)), this, SLOT(header_click(bool, bool)));
contents = NULL;
}
void CollapsibleWidget::header_click(bool s, bool deselect) {
selected = s;
title_bar->selected = s;
if (s) {
QPalette p = title_bar->palette();
p.setColor(QPalette::Background, QColor(255, 255, 255, 64));
title_bar->setPalette(p);
} else {
title_bar->setPalette(palette());
}
if (deselect) emit deselect_others(this);
}
bool CollapsibleWidget::is_focused() {
if (hasFocus()) return true;
return title_bar->hasFocus();
}
bool CollapsibleWidget::is_expanded() {
return contents->isVisible();
}
void CollapsibleWidget::setContents(QWidget* c) {
bool existing = (contents != NULL);
contents = c;
if (!existing) {
layout->addWidget(contents);
connect(enabled_check, SIGNAL(toggled(bool)), this, SLOT(on_enabled_change(bool)));
connect(collapse_button, SIGNAL(clicked()), this, SLOT(on_visible_change()));
}
}
void CollapsibleWidget::setText(const QString &s) {
header->setText(s);
}
void CollapsibleWidget::on_enabled_change(bool b) {
contents->setEnabled(b);
}
void CollapsibleWidget::on_visible_change() {
contents->setVisible(!contents->isVisible());
collapse_button->setText(contents->isVisible() ? "[-]" : "[+]");
emit visibleChanged();
}
CollapsibleWidgetHeader::CollapsibleWidgetHeader(QWidget* parent) : QWidget(parent), selected(false) {
setContextMenuPolicy(Qt::CustomContextMenu);
}
void CollapsibleWidgetHeader::mousePressEvent(QMouseEvent* event) {
if (selected) {
if ((event->modifiers() & Qt::ShiftModifier)) {
selected = false;
emit select(selected, false);
}
} else {
selected = true;
emit select(selected, !(event->modifiers() & Qt::ShiftModifier));
}
}
void CollapsibleWidgetHeader::paintEvent(QPaintEvent *event) {
QWidget::paintEvent(event);
QPainter p(this);
p.setPen(Qt::white);
int line_x = width() * 0.01;
int line_y = height() - 1;
p.drawLine(line_x, line_y, width() - line_x - line_x, line_y);
}
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