author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:03:49 +0300 | |
changeset 6 | 1c3b8676e58c |
parent 5 | 0f2326c2a325 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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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 Lesser General Public License as published by |
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* the Free Software Foundation, version 2.1 of the License. |
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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 Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, |
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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* |
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* Description: |
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* |
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*/ |
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#include "ActionButton.h" |
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#include <QDebug> |
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namespace GVA { |
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ActionButton::ActionButton(ChromeSnippet * snippet, QGraphicsItem* parent) |
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: NativeChromeItem(snippet, parent), |
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m_internalAction(NULL), |
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m_triggerOnUp(true), |
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m_triggerOnDown(false), |
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m_active(false), |
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m_activeOnPress(true) |
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{ |
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} |
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void ActionButton::paint( QPainter * painter, const QStyleOptionGraphicsItem * opt, QWidget * widget ) |
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{ |
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Q_UNUSED(opt) |
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Q_UNUSED(widget) |
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painter->save(); |
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QAction * action = defaultAction(); |
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QIcon::Mode mode = QIcon::Normal; |
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if (action) { |
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if (m_active) { |
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mode = QIcon::Active; |
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} |
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else if (!action->isEnabled()) { |
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mode = QIcon::Disabled; |
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} |
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} |
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m_icon.paint(painter, boundingRect().toRect(), Qt::AlignCenter, mode, QIcon::On); |
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painter->restore(); |
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NativeChromeItem::paint(painter, opt, widget); |
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} |
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void ActionButton::mousePressEvent( QGraphicsSceneMouseEvent * ev ) |
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{ |
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QAction * action = defaultAction(); |
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if (action && (action->isEnabled()) ) { |
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//qDebug() << "mousePressEvent" << m_triggerOnDown << ev->type(); |
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// If m_activeOnPress is true, set active flag to set icon state to Selected |
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if (m_activeOnPress ) |
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setActive(true); |
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if (m_triggerOnDown == true) { |
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if (ev->button() == Qt::LeftButton) { |
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action->trigger(); |
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emit activated(); |
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} |
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} |
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} |
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emit mouseEvent(ev->type() ); |
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} |
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void ActionButton::mouseReleaseEvent( QGraphicsSceneMouseEvent * ev ) |
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{ |
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bool trigger = sceneBoundingRect().contains(ev->scenePos()); |
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QAction * action = defaultAction(); |
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//qDebug() << "ActionButton::mouseReleaseEvent " << m_snippet->elementId(); |
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if ( trigger && m_triggerOnUp == true) { |
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if (ev->button() == Qt::LeftButton) { |
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if (action && action->isEnabled()){ |
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action->trigger(); |
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emit activated(); |
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} |
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} |
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} |
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// If m_activeOnPress is true, reset active flag to set icon state to Normal |
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if (m_activeOnPress || !trigger) |
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setActive(false); |
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emit mouseEvent(ev->type() ); |
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} |
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104 |
|
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//Action buttons only have one action at a time, so whenever we add an action, we remove any previously set action |
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//NB: The action is typically one of the available actions on a view (via ControllableView.getContext()). |
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//ActionButtonSnippet provides the scriptable method connectAction() to create native connections to view actions |
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108 |
|
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void ActionButton::setAction ( QAction * action, bool triggerOnDown, bool triggerOnUp ) |
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110 |
{ |
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QAction * currentAction = defaultAction(); |
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if (currentAction == action) |
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return; |
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if (currentAction){ |
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disconnect(currentAction, SIGNAL(changed()), this, SLOT(onActionChanged())); |
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removeAction(currentAction); |
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} |
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addAction(action); |
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connect(action, SIGNAL(changed()),this, SLOT(onActionChanged())); |
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m_triggerOnUp = triggerOnUp; |
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m_triggerOnDown = triggerOnDown; |
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122 |
|
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123 |
|
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// Save the action as the internal action and set its properties |
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m_internalAction = action; |
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m_internalAction->setCheckable(false); |
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127 |
|
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update(); |
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} |
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130 |
|
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void ActionButton::setEnabled(bool enabled) |
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132 |
{ |
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m_internalAction->setEnabled(enabled); |
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} |
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135 |
|
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void ActionButton::setActiveOnPress(bool active) |
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137 |
{ |
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m_activeOnPress = active; |
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} |
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140 |
|
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void ActionButton::setActive(bool active) |
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142 |
{ |
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if (m_active != active ) { |
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m_active = active; |
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update(); |
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} |
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} |
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148 |
|
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//NB: handle icon on/off states too? |
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150 |
|
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void ActionButton::addIcon( const QString & resource, QIcon::Mode mode ) |
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152 |
{ |
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m_icon.addPixmap( QPixmap(resource), mode, QIcon::On ); |
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} |
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155 |
|
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QAction * ActionButton::defaultAction() |
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157 |
{ |
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if (actions().isEmpty()) |
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return 0; |
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return actions()[0]; |
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161 |
} |
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162 |
|
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void ActionButton::onActionChanged(){ |
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//Repaint when the action changes state |
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update(); |
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166 |
} |
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167 |
|
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void ActionButton::onHidden(){ |
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169 |
|
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QAction * action = defaultAction(); |
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if (action && action->isChecked() ){ |
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action->setChecked(false); |
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} |
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setActive(false); |
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175 |
|
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176 |
} |
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177 |
|
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void ActionButton::onShown(){ |
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179 |
|
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QAction * action = defaultAction(); |
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if (action && action->isEnabled() && !action->isChecked()){ |
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action->setChecked(true); |
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setActive(true); |
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} |
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} |
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186 |
|
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187 |
|
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188 |
}//end of name space |