Play around with devicePixelRatio
This shows how the UI can react when used with different devicePixelRatios.
This commit is contained in:
Sebastian Kügler
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e346c751ec
commit
2a3a546f80
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examples/applets/testtheme/contents/images/orangutan.jpg
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examples/applets/testtheme/contents/images/orangutan.jpg
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examples/applets/testtheme/contents/ui/ScalePage.qml
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examples/applets/testtheme/contents/ui/ScalePage.qml
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/*
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* Copyright 2014 Sebastian Kügler <sebas@kde.org>
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, 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 General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 2.010-1301, USA.
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*/
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import QtQuick 2.1
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import org.kde.plasma.core 2.0 as PlasmaCore
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import org.kde.plasma.components 2.0 as PlasmaComponents
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import org.kde.plasma.extras 2.0 as PlasmaExtras
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import org.kde.qtextracomponents 2.0 as QtExtras
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// IconTab
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Item {
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property int cheight: 48
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property int cwidth: themePage.width / 1.2
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property int _m: units.gridUnit / 2 * units.devicePixelRatio
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id: themePage
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// anchors {
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// }
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Column {
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id: col
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spacing: _m
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anchors {
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margins: _m
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top: parent.top
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left: parent.left
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right: parent.right
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}
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PlasmaExtras.Title {
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width: parent.width
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elide: Text.ElideRight
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text: "Scaling Test"
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font.pointSize: cheatLabel.font.pointSize * 2
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}
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Row {
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PlasmaComponents.Button {
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text: "devicePixelRatio"
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font.pointSize: cheatLabel.font.pointSize
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width: cwidth/2
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//scale: units.devicePixelRatio
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onClicked: {
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var d = units.devicePixelRatio * 96;
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dpilabel.text = "\tdpi from ratio:" + d;
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}
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}
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PlasmaComponents.Label {
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id: dpilabel
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}
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}
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Row {
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}
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}
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PlasmaComponents.Label {
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id: cheatLabel
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text: "Cheating with the font size. This label scales with the devicePixelRatio <b>on top of</b> font rendering. Just to show how text scaling can work dynamically."
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font.pointSize: theme.defaultFont.pointSize * units.devicePixelRatio / 1.8
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wrapMode: Text.WordWrap
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anchors {
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margins: _m
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top: col.bottom
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left: parent.left
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right: apeImage.left
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}
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}
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Image {
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id: apeImage
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objectName: "apeImage"
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height: parent.height / 6 * units.devicePixelRatio
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//width: height
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anchors {
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top: cheatLabel.top
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right: parent.right
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rightMargin: _m
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}
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fillMode: Image.PreserveAspectFit
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source: "../images/orangutan.jpg"
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}
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}
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@ -19,7 +19,7 @@
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import QtQuick 2.1
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import org.kde.plasma.core 2.0 as PlasmaCore
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// import org.kde.plasma.components 2.0 as PlasmaComponents
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import org.kde.plasma.components 2.0 as PlasmaComponents
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// import org.kde.plasma.extras 2.0 as PlasmaExtras
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// import org.kde.qtextracomponents 2.0 as QtExtras
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@ -32,13 +32,76 @@ Item {
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property int minimumHeight: units.gridUnit * 10
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property int _s: units.iconSizes.small
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property int _h: units.iconSizes.desktop
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property int _h: units.iconSizes.default
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ThemePage {
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id: themePage
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anchors.fill: parent
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PlasmaComponents.TabBar {
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id: tabBar
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anchors {
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left: parent.left
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right: parent.right
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top: parent.top
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margins: _m
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}
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height: _h
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PlasmaComponents.TabButton { tab: scalePage; text: i18n("Scaling"); iconSource: "preferences-system-windows"}
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PlasmaComponents.TabButton { tab: unitsPage; text: i18n("Units"); iconSource: "preferences-desktop-appearance"}
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}
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PlasmaComponents.TabGroup {
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id: tabGroup
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anchors {
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left: parent.left
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right: parent.right
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top: tabBar.bottom
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bottom: dprSlider.top
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}
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ScalePage {
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id: scalePage
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}
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UnitsPage {
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id: unitsPage
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}
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}
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PlasmaComponents.Label {
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id: sliderLabel
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anchors {
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bottom: parent.bottom
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left: parent.left
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}
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width: theme.mSize(theme.defaultFont).width * 5
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text: "dpi: " + dprSlider.value
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}
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PlasmaComponents.Slider {
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id: dprSlider
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anchors {
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bottom: parent.bottom
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left: sliderLabel.right
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right: parent.right
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}
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minimumValue: 0
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maximumValue: 400
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stepSize: 20
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focus: true
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onValueChanged: {
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var r = value / 96;
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print("Setting units.devicePixelRatio: " + r);
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units.devicePixelRatio = r;
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if (value == 0) {
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value = units.devicePixelRatio;
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}
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}
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Component.onCompleted: dprSlider.value = units.devicePixelRatio * 96
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}
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Component.onCompleted: {
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print("Components Test Applet loaded");
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}
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