plasma-framework/declarativeimports/plasmacomponents/DualStateButton.qml

144 lines
3.7 KiB
QML
Raw Normal View History

/*
* Copyright (C) 2011 by Daker Fernandes Pinheiro <dakerfp@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import QtQuick 1.0
import org.kde.plasma.core 0.1 as PlasmaCore
Item {
id: dualButton
// Common API
property bool checked
property alias pressed: mouseArea.pressed
signal clicked()
// Plasma API
property alias text: label.text // TODO: Not yet part of the common API
property QtObject theme: PlasmaCore.Theme { }
property alias view: surface.sourceComponent
width: surface.width + label.paintedWidth
height: surface.height
// TODO: needs to define if there will be specific graphics for
// disabled buttons
opacity: dualButton.enabled ? 1.0 : 0.5
function entered() {
if (dualButton.enabled) {
shadow.opacity = 0;
hover.opacity = 1;
}
}
function released() {
if (dualButton.enabled) {
dualButton.checked = !dualButton.checked;
dualButton.clicked();
}
}
Keys.onSpacePressed: entered();
Keys.onReturnPressed: entered();
Keys.onReleased: {
if(event.key == Qt.Key_Space ||
event.key == Qt.Key_Return)
released();
}
PlasmaCore.FrameSvgItem {
id: hover
anchors {
fill: surface
leftMargin: -margins.left
topMargin: -margins.top
rightMargin: -margins.right
bottomMargin: -margins.bottom
}
opacity: 0
imagePath: "widgets/button"
prefix: "hover"
Behavior on opacity {
PropertyAnimation { duration: 250 }
}
}
PlasmaCore.FrameSvgItem {
id: shadow
anchors {
fill: surface
leftMargin: -margins.left
topMargin: -margins.top
rightMargin: -margins.right
bottomMargin: -margins.bottom
}
imagePath: "widgets/button"
prefix: "shadow"
Behavior on opacity {
PropertyAnimation { duration: 250 }
}
}
Loader {
id: surface
anchors {
verticalCenter: parent.verticalCenter
left: text ? parent.left : undefined
horizontalCenter: text ? undefined : parent.horizontalCenter
}
}
Text {
id: label
text: dualButton.text
anchors {
top: parent.top
bottom: parent.bottom
left: surface.right
right: parent.right
// XXX: see how this margin will be set
leftMargin: hover.margins.right
}
color: theme.textColor
verticalAlignment: Text.AlignVCenter
}
MouseArea {
id: mouseArea
anchors.fill: parent
hoverEnabled: true
onReleased: dualButton.released();
onEntered: dualButton.entered();
onPressed: dualButton.forceActiveFocus();
onExited: {
shadow.opacity = 1;
hover.opacity = 0;
}
}
}