kwin/scripts/desktopchangeosd/contents/ui/osd.qml
2014-01-03 11:33:14 +01:00

302 lines
14 KiB
QML

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2012, 2013 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, 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 General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
import QtQuick 2.0;
import org.kde.plasma.core 2.0 as PlasmaCore;
import org.kde.plasma.components 2.0 as Plasma;
import org.kde.qtextracomponents 2.0 as QtExtra;
import org.kde.kwin 2.0;
PlasmaCore.Dialog {
id: dialog
location: PlasmaCore.Types.Floating
visible: false
flags: Qt.X11BypassWindowManagerHint
mainItem: Item {
function loadConfig() {
dialogItem.animationDuration = KWin.readConfig("PopupHideDelay", 1000);
if (KWin.readConfig("TextOnly", "false") == "true") {
dialogItem.showGrid = false;
} else {
dialogItem.showGrid = true;
}
}
function show() {
if (dialogItem.currentDesktop == workspace.currentDesktop - 1) {
return;
}
dialogItem.previousDesktop = dialogItem.currentDesktop;
timer.stop();
dialogItem.currentDesktop = workspace.currentDesktop - 1;
textElement.text = workspace.desktopName(workspace.currentDesktop);
// screen geometry might have changed
var screen = workspace.clientArea(KWin.FullScreenArea, workspace.activeScreen, workspace.currentDesktop);
dialogItem.screenWidth = screen.width;
dialogItem.screenHeight = screen.height;
if (dialogItem.showGrid) {
// non dependable properties might have changed
view.columns = workspace.desktopGridWidth;
view.rows = workspace.desktopGridHeight;
}
dialog.visible = true;
// position might have changed
dialog.x = screen.x + screen.width/2 - dialogItem.width/2;
dialog.y = screen.y + screen.height/2 - dialogItem.height/2;
// start the hide timer
timer.start();
}
id: dialogItem
property int screenWidth: 0
property int screenHeight: 0
// we count desktops starting from 0 to have it better match the layout in the Grid
property int currentDesktop: 0
property int previousDesktop: 0
property int animationDuration: 1000
property bool showGrid: true
width: dialogItem.showGrid ? view.itemWidth * view.columns : textElement.width
height: dialogItem.showGrid ? view.itemHeight * view.rows + textElement.height : textElement.height
Plasma.Label {
id: textElement
anchors.top: dialogItem.showGrid ? parent.top : undefined
anchors.horizontalCenter: parent.horizontalCenter
text: workspace.desktopName(workspace.currentDesktop)
}
Grid {
id: view
columns: 1
rows: 1
property int itemWidth: dialogItem.screenWidth * Math.min(0.8/columns, 0.1)
property int itemHeight: Math.min(itemWidth * (dialogItem.screenHeight / dialogItem.screenWidth), dialogItem.screenHeight * Math.min(0.8/rows, 0.1))
anchors {
top: textElement.bottom
left: parent.left
right: parent.right
bottom: parent.bottom
}
visible: dialogItem.showGrid
Repeater {
id: repeater
model: workspace.desktops
Item {
width: view.itemWidth
height: view.itemHeight
PlasmaCore.FrameSvgItem {
anchors.fill: parent
imagePath: "widgets/pager"
prefix: "normal"
}
PlasmaCore.FrameSvgItem {
id: activeElement
anchors.fill: parent
imagePath: "widgets/pager"
prefix: "active"
opacity: 0.0
Behavior on opacity {
NumberAnimation { duration: dialogItem.animationDuration/2 }
}
}
Item {
id: arrowsContainer
anchors.fill: parent
QtExtra.QIconItem {
anchors.fill: parent
icon: "go-up"
visible: false
}
QtExtra.QIconItem {
anchors.fill: parent
icon: "go-down"
visible: {
if (dialogItem.currentDesktop <= index) {
// don't show for target desktop
return false;
}
if (index < dialogItem.previousDesktop) {
return false;
}
if (dialogItem.currentDesktop < dialogItem.previousDesktop) {
// we only go down if the new desktop is higher
return false;
}
if (Math.floor(dialogItem.currentDesktop/view.columns) == Math.floor(index/view.columns)) {
// don't show icons in same row as target desktop
return false;
}
if (dialogItem.previousDesktop % view.columns == index % view.columns) {
// show arrows for icons in same column as the previous desktop
return true;
}
return false;
}
}
QtExtra.QIconItem {
anchors.fill: parent
icon: "go-up"
visible: {
if (dialogItem.currentDesktop >= index) {
// don't show for target desktop
return false;
}
if (index > dialogItem.previousDesktop) {
return false;
}
if (dialogItem.currentDesktop > dialogItem.previousDesktop) {
// we only go down if the new desktop is higher
return false;
}
if (Math.floor(dialogItem.currentDesktop/view.columns) == Math.floor(index/view.columns)) {
// don't show icons in same row as target desktop
return false;
}
if (dialogItem.previousDesktop % view.columns == index % view.columns) {
// show arrows for icons in same column as the previous desktop
return true;
}
return false;
}
}
QtExtra.QIconItem {
anchors.fill: parent
icon: "go-next"
visible: {
if (dialogItem.currentDesktop <= index) {
// we don't show for desktops not on the path
return false;
}
if (index < dialogItem.previousDesktop) {
// we might have to show this icon in case we go up and to the right
if (Math.floor(dialogItem.currentDesktop/view.columns) == Math.floor(index/view.columns)) {
// can only happen in same row
if (index % view.columns >= dialogItem.previousDesktop % view.columns) {
// but only for items in the same column or after of the previous desktop
return true;
}
}
return false;
}
if (dialogItem.currentDesktop < dialogItem.previousDesktop) {
// we only go right if the new desktop is higher
return false;
}
if (Math.floor(dialogItem.currentDesktop/view.columns) == Math.floor(index/view.columns)) {
// show icons in same row as target desktop
if (index % view.columns < dialogItem.previousDesktop % view.columns) {
// but only for items in the same column or after of the previous desktop
return false;
}
return true;
}
return false;
}
}
QtExtra.QIconItem {
anchors.fill: parent
icon: "go-previous"
visible: {
if (dialogItem.currentDesktop >= index) {
// we don't show for desktops not on the path
return false;
}
if (index > dialogItem.previousDesktop) {
// we might have to show this icon in case we go down and to the left
if (Math.floor(dialogItem.currentDesktop/view.columns) == Math.floor(index/view.columns)) {
// can only happen in same row
if (index % view.columns <= dialogItem.previousDesktop % view.columns) {
// but only for items in the same column or before the previous desktop
return true;
}
}
return false;
}
if (dialogItem.currentDesktop > dialogItem.previousDesktop) {
// we only go left if the new desktop is lower
return false;
}
if (Math.floor(dialogItem.currentDesktop/view.columns) == Math.floor(index/view.columns)) {
// show icons in same row as target desktop
if (index % view.columns > dialogItem.previousDesktop % view.columns) {
// but only for items in the same column or before of the previous desktop
return false;
}
return true;
}
return false;
}
}
}
states: [
State {
name: "NORMAL"
when: index != dialogItem.currentDesktop
PropertyChanges {
target: activeElement
opacity: 0.0
}
},
State {
name: "SELECTED"
when: index == dialogItem.currentDesktop
PropertyChanges {
target: activeElement
opacity: 1.0
}
}
]
Component.onCompleted: {
view.state = (index == dialogItem.currentDesktop) ? "SELECTED" : "NORMAL"
}
}
}
}
Timer {
id: timer
repeat: false
interval: dialogItem.animationDuration
onTriggered: dialog.visible = false
}
Connections {
target: workspace
onCurrentDesktopChanged: dialogItem.show()
onNumberDesktopsChanged: {
repeater.model = workspace.desktops;
}
}
Connections {
target: options
onConfigChanged: dialogItem.loadConfig()
}
Component.onCompleted: {
view.columns = workspace.desktopGridWidth;
view.rows = workspace.desktopGridHeight;
dialogItem.loadConfig();
dialogItem.show();
}
}
Component.onCompleted: {
KWin.registerWindow(dialog);
}
}