Differential D7941 Diff 20299 kirigami-plasmadesktop-integration/plasmadesktoptheme.cpp

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kirigami-plasmadesktop-integration/plasmadesktoptheme.cpp

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1​/*
2​* Copyright (C) 2017 by Marco Martin <mart@kde.org>
3​*
4​* This program is free software; you can redistribute it and/or modify
5​* it under the terms of the GNU Library General Public License as
6​* published by the Free Software Foundation; either version 2, or
7​* (at your option) any later version.
8​*
9​* This program is distributed in the hope that it will be useful,
10​* but WITHOUT ANY WARRANTY; without even the implied warranty of
11​* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12​* GNU Library General Public License for more details
13​*
14​* You should have received a copy of the GNU Library General Public
15​* License along with this program; if not, write to the
16​* Free Software Foundation, Inc.,
17​* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18​*/
19​
20​#include "plasmadesktoptheme.h"
21​#include <QQmlEngine>
22​#include <QQmlContext>
23​#include <QGuiApplication>
24​#include <QPalette>
25​#include <QDebug>
26​#include <QQuickWindow>
27​#include <QTimer>
28​#include <KIconLoader>
29​
30​#include <KColorScheme>
31​
32​
33​PlasmaDesktopTheme::PlasmaDesktopTheme(QObject *parent)
34​ : PlatformTheme(parent)
35​{
36​ m_parentItem = qobject_cast<QQuickItem *>(parent);
37​
38​ //null in case parent is a normal QObject
39​ if (m_parentItem) {
40​ connect(m_parentItem.data(), &QQuickItem::enabledChanged,
41​ this, &PlasmaDesktopTheme::syncColors);
42​ if (m_parentItem && m_parentItem->window()) {
43​ connect(m_parentItem->window(), &QWindow::activeChanged,
44​ this, &PlasmaDesktopTheme::syncColors);
45​ }
46​ connect(m_parentItem.data(), &QQuickItem::windowChanged,
47​ this, [this]() {
48​ if (m_parentItem && m_parentItem->window()) {
49​ connect(m_parentItem->window(), &QWindow::activeChanged,
davidedmundsonUnsubmitted
Done

and disconnect from the old window

davidedmundson: and disconnect from the old window
50​ this, &PlasmaDesktopTheme::syncColors);
51​ }
52​ syncColors();
53​ });
54​ }
55​
56​ //TODO: correct? depends from https://codereview.qt-project.org/206889
57​ connect(qApp, &QGuiApplication::fontDatabaseChanged, this, [this]() {setDefaultFont(qApp->font());});
58​
59​ connect(this, &PlasmaDesktopTheme::colorSetChanged,
60​ this, &PlasmaDesktopTheme::syncColors);
61​ connect(qApp, &QGuiApplication::paletteChanged,
62​ this, &PlasmaDesktopTheme::syncColors);
63​
64​ syncColors();
65​}
66​
67​PlasmaDesktopTheme::~PlasmaDesktopTheme()
68​{
69​}
70​
71​QIcon PlasmaDesktopTheme::iconFromTheme(const QString &name, const QColor &customColor)
72​{
73​ QPalette pal = palette();
74​ if (customColor != Qt::transparent) {
75​ static const QPalette::ColorGroup states[3] = { QPalette::Active, QPalette::Inactive, QPalette::Disabled };
76​ for (int i = 0; i < 3; i++) {
77​ QPalette::ColorGroup state = states[i];
78​ pal.setBrush(state, QPalette::WindowText, customColor);
79​ }
80​ }
81​
82​ KIconLoader::global()->setCustomPalette(pal);
83​
davidedmundsonUnsubmitted
Not Done

This is bad

If some other place miles away in a random lib in a different place in the UI, sets a colour, it will be wrong.

Why meddle with the global loader if you're passing it as an arg anyway?

davidedmundson: This is bad If some other place miles away in a random lib in a different place in the UI…
84​ return KDE::icon(name, KIconLoader::global());
85​}
86​
87​QStringList PlasmaDesktopTheme::keys() const
88​{
89​ QStringList props;
90​ for (int i = PlatformTheme::metaObject()->propertyOffset(); i < metaObject()->propertyCount(); ++i) {
91​ const QString prop = QString::fromUtf8(metaObject()->property(i).name());
92​ if (prop != QStringLiteral("keys")) {
93​ props << prop;
94​ }
95​ }
96​ return props;
97​}
98​
99​void PlasmaDesktopTheme::syncColors()
100​{
101​ KColorScheme::ColorSet set;
102​
103​ switch (colorSet()) {
104​ case PlatformTheme::Button:
105​ set = KColorScheme::ColorSet::Button;
106​ break;
107​ case PlatformTheme::Selection:
108​ set = KColorScheme::ColorSet::Selection;
109​ break;
110​ case PlatformTheme::Tooltip:
111​ set = KColorScheme::ColorSet::Tooltip;
112​ break;
113​ case PlatformTheme::View:
114​ set = KColorScheme::ColorSet::View;
115​ break;
116​ case PlatformTheme::Complementary:
117​ set = KColorScheme::ColorSet::Complementary;
118​ break;
119​ case PlatformTheme::Window:
120​ default:
121​ set = KColorScheme::ColorSet::Window;
122​ }
123​
124​ QPalette::ColorGroup group = QPalette::Active;
125​ if (m_parentItem) {
126​ if (!m_parentItem->isEnabled()) {
127​ group = QPalette::Disabled;
128​ } else if (m_parentItem->window() && !m_parentItem->window()->isActive()) {
129​ group = QPalette::Inactive;
130​ }
131​ }
132​
133​ const KColorScheme selectionScheme(group, KColorScheme::ColorSet::Selection);
134​ const KColorScheme scheme(group, set);
135​
136​ //foreground
137​ setTextColor(scheme.foreground(KColorScheme::NormalText).color());
138​ setDisabledTextColor(scheme.foreground(KColorScheme::InactiveText).color());
139​ setHighlightedTextColor(selectionScheme.foreground(KColorScheme::NormalText).color());
140​ setActiveTextColor(scheme.foreground(KColorScheme::ActiveText).color());
141​ setLinkColor(scheme.foreground(KColorScheme::LinkText).color());
142​ setVisitedLinkColor(scheme.foreground(KColorScheme::VisitedText).color());
143​ setNegativeTextColor(scheme.foreground(KColorScheme::NegativeText).color());
144​ setNeutralTextColor(scheme.foreground(KColorScheme::NeutralText).color());
145​ setPositiveTextColor(scheme.foreground(KColorScheme::PositiveText).color());
146​
147​
148​ //background
149​ setBackgroundColor(scheme.background(KColorScheme::NormalBackground).color());
150​ setHighlightColor(selectionScheme.background(KColorScheme::NormalBackground).color());
151​
152​ //decoration
153​ setHoverColor(scheme.decoration(KColorScheme::HoverColor).color());
154​ setFocusColor(scheme.decoration(KColorScheme::FocusColor).color());
155​
156​ QPalette pal = palette();
157​ static const QPalette::ColorGroup states[3] = { QPalette::Active, QPalette::Inactive, QPalette::Disabled };
158​ for (int i = 0; i < 3; i++) {
159​ QPalette::ColorGroup state = states[i];
160​ pal.setBrush(state, QPalette::WindowText, scheme.foreground());
161​ pal.setBrush(state, QPalette::Window, scheme.background());
162​ pal.setBrush(state, QPalette::Base, scheme.background());
163​ pal.setBrush(state, QPalette::Text, scheme.foreground());
164​ pal.setBrush(state, QPalette::Button, scheme.background());
165​ pal.setBrush(state, QPalette::ButtonText, scheme.foreground());
166​ pal.setBrush(state, QPalette::Highlight, selectionScheme.background());
167​ pal.setBrush(state, QPalette::HighlightedText, selectionScheme.foreground());
168​ pal.setBrush(state, QPalette::ToolTipBase, scheme.background());
169​ pal.setBrush(state, QPalette::ToolTipText, scheme.foreground());
170​
171​ pal.setColor(state, QPalette::Light, scheme.shade(KColorScheme::LightShade));
172​ pal.setColor(state, QPalette::Midlight, scheme.shade(KColorScheme::MidlightShade));
173​ pal.setColor(state, QPalette::Mid, scheme.shade(KColorScheme::MidShade));
174​ pal.setColor(state, QPalette::Dark, scheme.shade(KColorScheme::DarkShade));
175​ pal.setColor(state, QPalette::Shadow, scheme.shade(KColorScheme::ShadowShade));
176​
177​ pal.setBrush(state, QPalette::AlternateBase, scheme.background(KColorScheme::AlternateBackground));
178​ pal.setBrush(state, QPalette::Link, scheme.foreground(KColorScheme::LinkText));
179​ pal.setBrush(state, QPalette::LinkVisited, scheme.foreground(KColorScheme::VisitedText));
180​ }
181​ setPalette(pal);
182​
183​
184​ //legacy stuff
185​ const KColorScheme buttonScheme(QPalette::Active, KColorScheme::ColorSet::Button);
186​ m_buttonTextColor = buttonScheme.foreground(KColorScheme::NormalText).color();
187​ m_buttonBackgroundColor = buttonScheme.background(KColorScheme::NormalBackground).color();
188​ m_buttonHoverColor = buttonScheme.decoration(KColorScheme::HoverColor).color();
189​ m_buttonFocusColor = buttonScheme.decoration(KColorScheme::FocusColor).color();
190​
191​ const KColorScheme viewScheme(QPalette::Active, KColorScheme::ColorSet::View);
192​ m_viewTextColor = viewScheme.foreground(KColorScheme::NormalText).color();
193​ m_viewBackgroundColor = viewScheme.background(KColorScheme::NormalBackground).color();
194​ m_viewHoverColor = viewScheme.decoration(KColorScheme::HoverColor).color();
195​ m_viewFocusColor = viewScheme.decoration(KColorScheme::FocusColor).color();
196​
197​ emit colorsChanged();
198​}
199​
200​QColor PlasmaDesktopTheme::buttonTextColor() const
201​{
202​ qWarning()<<"WARNING: buttonTextColor is deprecated, use textColor with colorSet: Theme.Button instead";
203​ return m_buttonTextColor;
204​}
205​
206​QColor PlasmaDesktopTheme::buttonBackgroundColor() const
207​{
208​ qWarning()<<"WARNING: buttonBackgroundColor is deprecated, use backgroundColor with colorSet: Theme.Button instead";
209​ return m_buttonBackgroundColor;
210​}
211​
212​QColor PlasmaDesktopTheme::buttonHoverColor() const
213​{
214​ qWarning()<<"WARNING: buttonHoverColor is deprecated, use backgroundColor with colorSet: Theme.Button instead";
215​ return m_buttonHoverColor;
216​}
217​
218​QColor PlasmaDesktopTheme::buttonFocusColor() const
219​{
220​ qWarning()<<"WARNING: buttonFocusColor is deprecated, use backgroundColor with colorSet: Theme.Button instead";
221​ return m_buttonFocusColor;
222​}
223​
224​
225​QColor PlasmaDesktopTheme::viewTextColor() const
226​{
227​ qWarning()<<"WARNING: viewTextColor is deprecated, use backgroundColor with colorSet: Theme.View instead";
228​ return m_viewTextColor;
229​}
230​
231​QColor PlasmaDesktopTheme::viewBackgroundColor() const
232​{
233​ qWarning()<<"WARNING: viewBackgroundColor is deprecated, use backgroundColor with colorSet: Theme.View instead";
234​ return m_viewBackgroundColor;
235​}
236​
237​QColor PlasmaDesktopTheme::viewHoverColor() const
238​{
239​ qWarning()<<"WARNING: viewHoverColor is deprecated, use backgroundColor with colorSet: Theme.View instead";
240​ return m_viewHoverColor;
241​}
242​
243​QColor PlasmaDesktopTheme::viewFocusColor() const
244​{
245​ qWarning()<<"WARNING: viewFocusColor is deprecated, use backgroundColor with colorSet: Theme.View instead";
246​ return m_viewFocusColor;
247​}
248​
249​#include "moc_plasmadesktoptheme.cpp"