git.iko.soy/unity8
on 436b607 help sign in
unity8/qml/Stages/MainViewStyle.qml
79 lines 2.9 kB history raw
1/*
2 * Copyright 2014 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16import QtQuick 2.0
17import Ubuntu.Components 1.1
19// FIXME: copied with slight modifications from Ubuntu UI Toolkit's Ambiance's theme
20Item {
21 // styling properties
22 anchors.fill: parent
23 z: -1
24 id: mainViewStyle
26 /*!
27 The background texture of the main view. The image will be drawn over the background color,
28 so if it has (semi-)transparent pixels, in those pixels the background color will be visible.
29 */
30 property url backgroundSource: "graphics/background_paper.png"
31 property var theme
33 Gradient {
34 id: backgroundGradient
35 GradientStop { position: 0.0; color: styledItem.headerColor }
36 GradientStop { position: 0.83; color: styledItem.backgroundColor }
37 GradientStop { position: 1.0; color: styledItem.footerColor }
38 }
40 Rectangle {
41 id: backgroundColor
42 anchors.fill: parent
43 color: styledItem.backgroundColor
44 gradient: internals.isGradient ? backgroundGradient : null
45 }
47 Image {
48 id: backgroundTexture
49 anchors.fill: parent
50 source: mainViewStyle.theme.name === "Ambiance" ? mainViewStyle.backgroundSource : ""
51 fillMode: Image.Tile
52 asynchronous: true
53 cache: false
54 visible: status === Image.Ready
55 }
57 QtObject {
58 id: internals
59 property bool isGradient: styledItem.backgroundColor != styledItem.headerColor ||
60 styledItem.backgroundColor != styledItem.footerColor
61 /*
62 As we don't know the order the property bindings and onXXXChanged signals are evaluated
63 we should rely only on one property when changing the theme to avoid intermediate
64 theme changes due to properties being evaluated separately.
66 Qt bug: https://bugreports.qt-project.org/browse/QTBUG-11712
67 */
68 property string theme: (ColorUtils.luminance(styledItem.backgroundColor) >= 0.85) ? "Ambiance" :
69 (isGradient ? "SuruGradient" : "SuruDark")
70 }
72 // automatically select the appropriate theme depending on the background colors
73 Binding {
74 target: theme
75 property: "name"
76 value: internals.theme
77 when: internals.theme !== ""
78 }