1// Copyright (C) 2017 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QQUICKUNIVERSALSTYLE_P_H
5#define QQUICKUNIVERSALSTYLE_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtGui/qcolor.h>
19#include <QtQml/qqml.h>
20#include <QtQuickControls2/qquickattachedpropertypropagator.h>
21
22QT_BEGIN_NAMESPACE
23
24class QQuickUniversalStylePrivate;
25
26class QQuickUniversalStyle : public QQuickAttachedPropertyPropagator
27{
28 Q_OBJECT
29 Q_PROPERTY(Theme theme READ theme WRITE setTheme RESET resetTheme NOTIFY themeChanged FINAL)
30 Q_PROPERTY(QVariant accent READ accent WRITE setAccent RESET resetAccent NOTIFY accentChanged FINAL)
31 Q_PROPERTY(QVariant foreground READ foreground WRITE setForeground RESET resetForeground NOTIFY foregroundChanged FINAL)
32 Q_PROPERTY(QVariant background READ background WRITE setBackground RESET resetBackground NOTIFY backgroundChanged FINAL)
33
34 Q_PROPERTY(QColor altHighColor READ altHighColor NOTIFY paletteChanged FINAL)
35 Q_PROPERTY(QColor altLowColor READ altLowColor NOTIFY paletteChanged FINAL)
36 Q_PROPERTY(QColor altMediumColor READ altMediumColor NOTIFY paletteChanged FINAL)
37 Q_PROPERTY(QColor altMediumHighColor READ altMediumHighColor NOTIFY paletteChanged FINAL)
38 Q_PROPERTY(QColor altMediumLowColor READ altMediumLowColor NOTIFY paletteChanged FINAL)
39 Q_PROPERTY(QColor baseHighColor READ baseHighColor NOTIFY paletteChanged FINAL)
40 Q_PROPERTY(QColor baseLowColor READ baseLowColor NOTIFY paletteChanged FINAL)
41 Q_PROPERTY(QColor baseMediumColor READ baseMediumColor NOTIFY paletteChanged FINAL)
42 Q_PROPERTY(QColor baseMediumHighColor READ baseMediumHighColor NOTIFY paletteChanged FINAL)
43 Q_PROPERTY(QColor baseMediumLowColor READ baseMediumLowColor NOTIFY paletteChanged FINAL)
44 Q_PROPERTY(QColor chromeAltLowColor READ chromeAltLowColor NOTIFY paletteChanged FINAL)
45 Q_PROPERTY(QColor chromeBlackHighColor READ chromeBlackHighColor NOTIFY paletteChanged FINAL)
46 Q_PROPERTY(QColor chromeBlackLowColor READ chromeBlackLowColor NOTIFY paletteChanged FINAL)
47 Q_PROPERTY(QColor chromeBlackMediumLowColor READ chromeBlackMediumLowColor NOTIFY paletteChanged FINAL)
48 Q_PROPERTY(QColor chromeBlackMediumColor READ chromeBlackMediumColor NOTIFY paletteChanged FINAL)
49 Q_PROPERTY(QColor chromeDisabledHighColor READ chromeDisabledHighColor NOTIFY paletteChanged FINAL)
50 Q_PROPERTY(QColor chromeDisabledLowColor READ chromeDisabledLowColor NOTIFY paletteChanged FINAL)
51 Q_PROPERTY(QColor chromeHighColor READ chromeHighColor NOTIFY paletteChanged FINAL)
52 Q_PROPERTY(QColor chromeLowColor READ chromeLowColor NOTIFY paletteChanged FINAL)
53 Q_PROPERTY(QColor chromeMediumColor READ chromeMediumColor NOTIFY paletteChanged FINAL)
54 Q_PROPERTY(QColor chromeMediumLowColor READ chromeMediumLowColor NOTIFY paletteChanged FINAL)
55 Q_PROPERTY(QColor chromeWhiteColor READ chromeWhiteColor NOTIFY paletteChanged FINAL)
56 Q_PROPERTY(QColor listLowColor READ listLowColor NOTIFY paletteChanged FINAL)
57 Q_PROPERTY(QColor listMediumColor READ listMediumColor NOTIFY paletteChanged FINAL)
58
59 QML_NAMED_ELEMENT(Universal)
60 QML_ATTACHED(QQuickUniversalStyle)
61 QML_UNCREATABLE("")
62 QML_ADDED_IN_VERSION(2, 0)
63
64public:
65 explicit QQuickUniversalStyle(QObject *parent = nullptr);
66
67 static QQuickUniversalStyle *qmlAttachedProperties(QObject *object);
68
69 enum Theme { Light, Dark, System };
70 Q_ENUM(Theme)
71
72 Theme theme() const;
73 void setTheme(Theme theme);
74 void inheritTheme(Theme theme);
75 void propagateTheme();
76 void resetTheme();
77
78 enum Color {
79 Lime,
80 Green,
81 Emerald,
82 Teal,
83 Cyan,
84 Cobalt,
85 Indigo,
86 Violet,
87 Pink,
88 Magenta,
89 Crimson,
90 Red,
91 Orange,
92 Amber,
93 Yellow,
94 Brown,
95 Olive,
96 Steel,
97 Mauve,
98 Taupe
99 };
100 Q_ENUM(Color)
101
102 QVariant accent() const;
103 void setAccent(const QVariant &accent);
104 void inheritAccent(QRgb accent);
105 void propagateAccent();
106 void resetAccent();
107
108 QVariant foreground() const;
109 void setForeground(const QVariant &foreground);
110 void inheritForeground(QRgb foreground, bool has);
111 void propagateForeground();
112 void resetForeground();
113
114 QVariant background() const;
115 void setBackground(const QVariant &background);
116 void inheritBackground(QRgb background, bool has);
117 void propagateBackground();
118 void resetBackground();
119
120 Q_INVOKABLE QColor color(Color color) const;
121
122 QColor altHighColor() const;
123 QColor altLowColor() const;
124 QColor altMediumColor() const;
125 QColor altMediumHighColor() const;
126 QColor altMediumLowColor() const;
127 QColor baseHighColor() const;
128 QColor baseLowColor() const;
129 QColor baseMediumColor() const;
130 QColor baseMediumHighColor() const;
131 QColor baseMediumLowColor() const;
132 QColor chromeAltLowColor() const;
133 QColor chromeBlackHighColor() const;
134 QColor chromeBlackLowColor() const;
135 QColor chromeBlackMediumLowColor() const;
136 QColor chromeBlackMediumColor() const;
137 QColor chromeDisabledHighColor() const;
138 QColor chromeDisabledLowColor() const;
139 QColor chromeHighColor() const;
140 QColor chromeLowColor() const;
141 QColor chromeMediumColor() const;
142 QColor chromeMediumLowColor() const;
143 QColor chromeWhiteColor() const;
144 QColor listLowColor() const;
145 QColor listMediumColor() const;
146
147 enum SystemColor {
148 AltHigh,
149 AltLow,
150 AltMedium,
151 AltMediumHigh,
152 AltMediumLow,
153 BaseHigh,
154 BaseLow,
155 BaseMedium,
156 BaseMediumHigh,
157 BaseMediumLow,
158 ChromeAltLow,
159 ChromeBlackHigh,
160 ChromeBlackLow,
161 ChromeBlackMediumLow,
162 ChromeBlackMedium,
163 ChromeDisabledHigh,
164 ChromeDisabledLow,
165 ChromeHigh,
166 ChromeLow,
167 ChromeMedium,
168 ChromeMediumLow,
169 ChromeWhite,
170 ListLow,
171 ListMedium
172 };
173
174 QColor systemColor(SystemColor role) const;
175
176 static void initGlobals();
177
178Q_SIGNALS:
179 void themeChanged();
180 void accentChanged();
181 void foregroundChanged();
182 void backgroundChanged();
183 void paletteChanged();
184
185protected:
186 void attachedParentChange(QQuickAttachedPropertyPropagator *newParent, QQuickAttachedPropertyPropagator *oldParent) override;
187
188private:
189 bool variantToRgba(const QVariant &var, const char *name, QRgb *rgba) const;
190
191 // These reflect whether a color value was explicitly set on the specific
192 // item that this attached style object represents.
193 bool m_explicitTheme = false;
194 bool m_explicitAccent = false;
195 bool m_explicitForeground = false;
196 bool m_explicitBackground = false;
197 // These will be true when this item has an explicit or inherited foreground/background
198 // color, or these colors were declared globally via settings (e.g. conf or env vars).
199 // Some color properties of the style will return different values depending on whether
200 // or not these are set.
201 bool m_hasForeground = false;
202 bool m_hasBackground = false;
203 // The actual values for this item, whether explicit, inherited or globally set.
204 Theme m_theme = Light;
205 QRgb m_accent = Qt::blue;
206 QRgb m_foreground = Qt::black;
207 QRgb m_background = Qt::white;
208};
209
210QT_END_NAMESPACE
211
212#endif // QQUICKUNIVERSALSTYLE_P_H
213

source code of qtdeclarative/src/quickcontrols/universal/qquickuniversalstyle_p.h