565 lines
16 KiB
C++
565 lines
16 KiB
C++
/*
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* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2008 by Marco Martin <notmart@gmail.com>
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*
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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 Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "internaltoolbox_p.h"
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#include <QAction>
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#include <QApplication>
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#include <QGraphicsSceneHoverEvent>
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#include <QGraphicsView>
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#include <QPainter>
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#include <QRadialGradient>
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#include <kcolorscheme.h>
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#include <kconfiggroup.h>
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#include <kiconloader.h>
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#include <kdebug.h>
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#include "corona.h"
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#include "theme.h"
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#include "widgets/iconwidget.h"
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namespace Plasma
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{
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class InternalToolBoxPrivate
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{
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public:
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InternalToolBoxPrivate(Containment *c)
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: containment(c),
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corner(InternalToolBox::TopRight),
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size(50),
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iconSize(KIconLoader::SizeMedium, KIconLoader::SizeMedium),
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hidden(false),
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showing(false),
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movable(false),
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dragging(false),
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userMoved(false)
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{}
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Containment *containment;
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InternalToolBox::Corner corner;
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int size;
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QSize iconSize;
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QPoint dragStartRelative;
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QTransform viewTransform;
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QMultiMap<AbstractToolBox::ToolType, IconWidget *> tools;
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bool hidden : 1;
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bool showing : 1;
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bool movable : 1;
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bool dragging : 1;
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bool userMoved : 1;
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};
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InternalToolBox::InternalToolBox(Containment *parent)
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: AbstractToolBox(parent),
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d(new InternalToolBoxPrivate(parent))
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{
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d->userMoved = false;
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setAcceptsHoverEvents(true);
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}
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InternalToolBox::~InternalToolBox()
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{
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delete d;
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}
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Containment *InternalToolBox::containment()
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{
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return d->containment;
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}
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QPoint InternalToolBox::toolPosition(int toolHeight)
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{
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switch (corner()) {
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case TopRight:
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return QPoint(boundingRect().width(), -toolHeight);
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case Top:
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return QPoint((int)boundingRect().center().x() - boundingRect().width(), -toolHeight);
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case TopLeft:
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return QPoint(-boundingRect().width(), -toolHeight);
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case Left:
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return QPoint(-boundingRect().width(), (int)boundingRect().center().y() - boundingRect().height());
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case Right:
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return QPoint(boundingRect().width(), (int)boundingRect().center().y() - boundingRect().height());
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case BottomLeft:
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return QPoint(-boundingRect().width(), toolHeight);
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case Bottom:
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return QPoint((int)boundingRect().center().x() - d->iconSize.width(), toolHeight);
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case BottomRight:
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default:
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return QPoint(boundingRect().width(), toolHeight);
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}
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}
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QMap<AbstractToolBox::ToolType, IconWidget *> InternalToolBox::tools() const
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{
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return d->tools;
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}
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QGraphicsWidget *InternalToolBox::toolParent()
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{
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return this;
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}
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void InternalToolBox::addTool(QAction *action)
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{
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if (!action) {
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return;
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}
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foreach (IconWidget *tool, d->tools) {
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//kDebug() << "checking tool" << child << child->data(ToolName);
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if (tool->action() == action) {
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return;
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}
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}
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Plasma::IconWidget *tool = new Plasma::IconWidget(toolParent());
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tool->setTextBackgroundColor(QColor());
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tool->setAction(action);
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tool->setDrawBackground(true);
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tool->setOrientation(Qt::Horizontal);
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tool->resize(tool->sizeFromIconSize(KIconLoader::SizeSmallMedium));
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tool->hide();
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const int height = static_cast<int>(tool->boundingRect().height());
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tool->setPos(toolPosition(height));
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tool->setZValue(zValue() + 10);
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tool->setToolTip(action->text());
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//make enabled/disabled tools appear/disappear instantly
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connect(tool, SIGNAL(changed()), this, SLOT(updateToolBox()));
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connect(action, SIGNAL(triggered(bool)), this, SLOT(toolTriggered(bool)));
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ToolType type = AbstractToolBox::MiscTool;
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if (!action->data().isNull() && action->data().type() == QVariant::Int) {
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int t = action->data().toInt();
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if (t >= 0 && t < AbstractToolBox::UserToolType) {
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type = static_cast<AbstractToolBox::ToolType>(t);
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}
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}
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d->tools.insert(type, tool);
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//kDebug() << "added tool" << type << action->text();
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}
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void InternalToolBox::updateToolBox()
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{
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Plasma::IconWidget *tool = qobject_cast<Plasma::IconWidget *>(sender());
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if (tool && !tool->action()) {
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QMutableMapIterator<ToolType, IconWidget *> it(d->tools);
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while (it.hasNext()) {
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it.next();
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if (it.value() == tool) {
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it.remove();
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break;
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}
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}
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tool->deleteLater();
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tool = 0;
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}
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if (d->showing) {
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d->showing = false;
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showToolBox();
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} else if (tool && !tool->isEnabled()) {
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tool->hide();
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}
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}
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void InternalToolBox::toolTriggered(bool)
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{
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}
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void InternalToolBox::removeTool(QAction *action)
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{
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QMutableMapIterator<ToolType, IconWidget *> it(d->tools);
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while (it.hasNext()) {
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it.next();
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IconWidget *tool = it.value();
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//kDebug() << "checking tool" << tool
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if (tool && tool->action() == action) {
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//kDebug() << "tool found!";
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tool->deleteLater();
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it.remove();
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break;
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}
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}
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}
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int InternalToolBox::size() const
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{
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return d->size;
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}
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void InternalToolBox::setSize(const int newSize)
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{
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d->size = newSize;
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}
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QSize InternalToolBox::iconSize() const
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{
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return d->iconSize;
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}
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void InternalToolBox::setIconSize(const QSize newSize)
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{
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d->iconSize = newSize;
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}
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bool InternalToolBox::isShowing() const
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{
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return d->showing;
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}
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void InternalToolBox::setShowing(const bool show)
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{
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if (show) {
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showToolBox();
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} else {
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hideToolBox();
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}
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d->showing = show;
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}
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void InternalToolBox::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton) {
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event->accept();
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// set grab position relative to toolbox
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d->dragStartRelative = mapToParent(event->pos()).toPoint() - pos().toPoint();
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} else {
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event->ignore();
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}
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}
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QSize InternalToolBox::cornerSize() const
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{
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return boundingRect().size().toSize();
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}
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QSize InternalToolBox::fullWidth() const
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{
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return boundingRect().size().toSize();
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}
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QSize InternalToolBox::fullHeight() const
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{
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return boundingRect().size().toSize();
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}
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void InternalToolBox::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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if (!d->movable || (!d->dragging && boundingRect().contains(event->pos()))) {
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return;
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}
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d->dragging = true;
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d->userMoved = true;
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const QPoint newPos = mapToParent(event->pos()).toPoint();
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const QPoint curPos = pos().toPoint();
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const QSize cSize = cornerSize();
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const QSize fHeight = fullHeight();
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const QSize fWidth = fullWidth();
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const int h = fHeight.height();
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const int w = fWidth.width();
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const int areaWidth = parentWidget()->size().width();
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const int areaHeight = parentWidget()->size().height();
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int x = curPos.x();
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int y = curPos.y();
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// jump to the nearest desktop border
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int distanceToLeft = newPos.x() - d->dragStartRelative.x();
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int distanceToRight = areaWidth - w - distanceToLeft;
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int distanceToTop = newPos.y() - d->dragStartRelative.y();
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int distanceToBottom = areaHeight - h - distanceToTop;
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int distancetoHorizontalMiddle = qAbs(newPos.x() - areaWidth/2);
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int distancetoVerticalMiddle = qAbs(newPos.y() - areaHeight/2);
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// decide which border is the nearest
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if (distanceToLeft < distanceToTop && distanceToLeft < distanceToRight &&
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distanceToLeft < distanceToBottom ) {
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x = 0;
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y = (newPos.y() - d->dragStartRelative.y());
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} else if (distanceToRight < distanceToTop && distanceToRight < distanceToLeft &&
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distanceToRight < distanceToBottom) {
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x = areaWidth - w;
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y = (newPos.y() - d->dragStartRelative.y());
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} else if (distanceToTop < distanceToLeft && distanceToTop < distanceToRight &&
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distanceToTop < distanceToBottom ) {
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y = 0;
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x = (newPos.x() - d->dragStartRelative.x());
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} else if (distanceToBottom < distanceToLeft && distanceToBottom < distanceToRight &&
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distanceToBottom < distanceToTop) {
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y = areaHeight - h;
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x = (newPos.x() - d->dragStartRelative.x());
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}
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if (distancetoHorizontalMiddle < 10) {
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x = areaWidth/2 - d->dragStartRelative.x();
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} else if (distancetoVerticalMiddle < 10) {
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y = areaHeight/2 - d->dragStartRelative.y();
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}
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x = qBound(0, x, areaWidth - w);
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y = qBound(0, y, areaHeight - h);
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Corner newCorner = corner();
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if (x == 0) {
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if (y == 0) {
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newCorner = TopLeft;
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} else if (areaHeight - cSize.height() < newPos.y()) {
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y = areaHeight - cSize.height();
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newCorner = BottomLeft;
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} else {
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newCorner = Left;
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}
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} else if (y == 0) {
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if (areaWidth - cSize.width() < newPos.x()) {
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x = areaWidth - cSize.width();
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newCorner = TopRight;
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} else {
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newCorner = Top;
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}
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} else if (x + w >= areaWidth) {
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if (areaHeight - cSize.height() < newPos.y()) {
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y = areaHeight - cSize.height();
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x = areaWidth - cSize.width();
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newCorner = BottomRight;
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} else {
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x = areaWidth - fHeight.width();
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newCorner = Right;
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}
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} else {
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y = areaHeight - fWidth.height();
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newCorner = Bottom;
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}
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if (newCorner != corner()) {
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prepareGeometryChange();
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setCorner(newCorner);
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}
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setPos(x, y);
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}
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void InternalToolBox::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton && !d->dragging && boundingRect().contains(event->pos())) {
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emit toggled();
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return;
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}
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d->dragging = false;
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KConfigGroup cg(d->containment->config());
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save(cg);
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}
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bool InternalToolBox::isMovable() const
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{
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return d->movable;
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}
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void InternalToolBox::setIsMovable(bool movable)
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{
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d->movable = movable;
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}
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void InternalToolBox::setCorner(const Corner corner)
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{
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d->corner = corner;
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}
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InternalToolBox::Corner InternalToolBox::corner() const
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{
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return d->corner;
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}
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void InternalToolBox::save(KConfigGroup &cg) const
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{
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if (!d->movable) {
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return;
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}
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KConfigGroup group(&cg, "ToolBox");
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if (!d->userMoved) {
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group.deleteGroup();
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return;
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}
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int offset = 0;
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if (corner() == InternalToolBox::Left ||
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corner() == InternalToolBox::Right) {
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offset = y();
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} else if (corner() == InternalToolBox::Top ||
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corner() == InternalToolBox::Bottom) {
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offset = x();
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}
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group.writeEntry("corner", int(corner()));
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group.writeEntry("offset", offset);
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}
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void InternalToolBox::restore(const KConfigGroup &containmentGroup)
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{
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if (!d->movable) {
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return;
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}
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KConfigGroup group;
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if (containmentGroup.isValid()) {
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group = containmentGroup;
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} else {
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group = d->containment->config();
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}
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group = KConfigGroup(&group, "ToolBox");
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if (!group.hasKey("corner")) {
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return;
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}
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d->userMoved = true;
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setCorner(Corner(group.readEntry("corner", int(corner()))));
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int offset = group.readEntry("offset", 0);
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switch (corner()) {
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case InternalToolBox::TopLeft:
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setPos(0, 0);
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break;
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case InternalToolBox::Top:
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setPos(offset, 0);
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break;
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case InternalToolBox::TopRight:
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setPos(d->containment->size().width() - boundingRect().width(), 0);
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break;
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case InternalToolBox::Right:
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setPos(d->containment->size().width() - boundingRect().width(), offset);
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break;
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case InternalToolBox::BottomRight:
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setPos(d->containment->size().width() - boundingRect().width(), d->containment->size().height() - boundingRect().height());
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break;
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case InternalToolBox::Bottom:
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setPos(offset, d->containment->size().height() - boundingRect().height());
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break;
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case InternalToolBox::BottomLeft:
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setPos(0, d->containment->size().height() - boundingRect().height());
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break;
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case InternalToolBox::Left:
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setPos(0, offset);
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break;
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}
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//kDebug() << "marked as user moved" << pos()
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// << (d->containment->containmentType() == Containment::PanelContainment);
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}
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void InternalToolBox::reposition()
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{
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if (d->userMoved) {
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//FIXME: adjust for situations like changing of the available space
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restore();
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return;
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}
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if (d->containment->containmentType() == Containment::PanelContainment ||
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d->containment->containmentType() == Containment::CustomPanelContainment) {
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QRectF rect = boundingRect();
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if (d->containment->formFactor() == Vertical) {
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setCorner(InternalToolBox::Bottom);
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setPos(d->containment->geometry().width() / 2 - rect.width() / 2,
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d->containment->geometry().height() - rect.height());
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} else {
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//defaulting to Horizontal right now
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if (QApplication::layoutDirection() == Qt::RightToLeft) {
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setPos(d->containment->geometry().left(),
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d->containment->geometry().height() / 2 - rect.height() / 2);
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setCorner(InternalToolBox::Left);
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} else {
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setPos(d->containment->geometry().width() - rect.width(),
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d->containment->geometry().height() / 2 - rect.height() / 2);
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setCorner(InternalToolBox::Right);
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}
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}
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//kDebug() << "got ourselves a panel containment, moving to" << pos();
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} else if (d->containment->corona()) {
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//kDebug() << "desktop";
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int screen = d->containment->screen();
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QRectF avail = d->containment->geometry();
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QRectF screenGeom = avail;
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if (screen > -1 && screen < d->containment->corona()->numScreens()) {
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avail = d->containment->corona()->availableScreenRegion(screen).boundingRect();
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screenGeom = d->containment->corona()->screenGeometry(screen);
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avail.translate(-screenGeom.topLeft());
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}
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// Transform to the containment's coordinate system.
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screenGeom.moveTo(0, 0);
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if (!d->containment->view() || !d->containment->view()->transform().isScaling()) {
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if (QApplication::layoutDirection() == Qt::RightToLeft) {
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if (avail.top() > screenGeom.top()) {
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setPos(avail.topLeft() - QPoint(0, avail.top()));
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setCorner(InternalToolBox::Left);
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} else if (avail.left() > screenGeom.left()) {
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setPos(avail.topLeft() - QPoint(boundingRect().width(), 0));
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setCorner(InternalToolBox::Top);
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} else {
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setPos(avail.topLeft());
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setCorner(InternalToolBox::TopLeft);
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}
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} else {
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if (avail.top() > screenGeom.top()) {
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setPos(avail.topRight() - QPoint(boundingRect().width(), -avail.top()));
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setCorner(InternalToolBox::Right);
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} else if (avail.right() < screenGeom.right()) {
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setPos(avail.topRight() - QPoint(boundingRect().width(), 0));
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setCorner(InternalToolBox::Top);
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} else {
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setPos(avail.topRight() - QPoint(boundingRect().width(), 0));
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setCorner(InternalToolBox::TopRight);
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}
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}
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} else {
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if (QApplication::layoutDirection() == Qt::RightToLeft) {
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setPos(d->containment->mapFromScene(QPointF(d->containment->geometry().topLeft())));
|
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setCorner(InternalToolBox::TopLeft);
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} else {
|
|
setPos(d->containment->mapFromScene(QPointF(d->containment->geometry().topRight())));
|
|
setCorner(InternalToolBox::TopRight);
|
|
}
|
|
}
|
|
}
|
|
}
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} // plasma namespace
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#include "internaltoolbox_p.moc"
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