plasma-framework/declarativeimports/plasmacomponents/RadioButton.qml
Daker Fernandes Pinheiro 8dc9dcd090 Add keyboard events handling in RadioButton and CheckBox
When space or return is pressed, it changes the component state.

Signed-off-by: Daker Fernandes Pinheiro <dakerfp@gmail.com>
2011-07-08 14:41:46 -03:00

141 lines
3.5 KiB
QML

/*
* 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: radiobutton
// 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 { }
width: surface.width + label.paintedWidth
height: surface.height
function entered() {
shadow.opacity = 0;
hover.opacity = 1;
}
function released() {
radiobutton.checked = !radiobutton.checked;
radiobutton.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 }
}
}
Image {
id: surface
anchors {
verticalCenter: parent.verticalCenter
left: parent.left
}
// XXX: debug solution until we have the resources
// source: checked ? "checked" : "unchecked"
width: 16
height: 16
Rectangle { anchors.fill: parent ; color: checked ? "green" : "red" }
}
Text {
id: label
text: radiobutton.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: radiobutton.released();
onEntered: radiobutton.entered();
onPressed: radiobutton.forceActiveFocus();
onExited: {
shadow.opacity = 1;
hover.opacity = 0;
}
}
}