1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4// W A R N I N G
5// -------------
6//
7// This file is not part of the Qt Chart API. It exists purely as an
8// implementation detail. This header file may change from version to
9// version without notice, or even be removed.
10//
11// We mean it.
12
13#ifndef CHARTTHEMESYSTEM_P_H
14#define CHARTTHEMESYSTEM_P_H
15
16#include <private/charttheme_p.h>
17#include <QtCharts/private/qchartglobal_p.h>
18#ifdef Q_OS_WIN
19#include <windows.h>
20#include <stdio.h>
21#endif
22
23QT_BEGIN_NAMESPACE
24
25class Q_CHARTS_EXPORT ChartThemeSystem: public ChartTheme
26{
27public:
28 // System theme not used at the moment (the user is not able to select this theme)
29 ChartThemeSystem() : ChartTheme(QChart::ChartThemeLight /*QChart::ChartThemeSystem*/)
30 {
31#if defined(Q_OS_WIN)
32 // We could also use theme specific window frame color as a series base color (it would give more
33 // variation to the base colors in addition to the blue and black used now)
34
35 // First series base color from COLOR_HIGHLIGHT
36 DWORD colorHighlight;
37 colorHighlight = GetSysColor(COLOR_HIGHLIGHT);
38 m_seriesColors.append(QColor(GetRValue(colorHighlight),
39 GetGValue(colorHighlight),
40 GetBValue(colorHighlight)));
41
42 // Second series base color from COLOR_WINDOWFRAME
43 DWORD colorWindowFrame;
44 colorWindowFrame = GetSysColor(COLOR_WINDOWFRAME);
45 m_seriesColors.append(QColor(GetRValue(colorWindowFrame),
46 GetGValue(colorWindowFrame),
47 GetBValue(colorWindowFrame)));
48
49 // Third series base color from the middle of the COLOR_ACTIVECAPTION /
50 // COLOR_GRADIENTACTIVECAPTION gradient
51 DWORD colorGradientActiveCaptionLeft;
52 colorGradientActiveCaptionLeft = GetSysColor(COLOR_ACTIVECAPTION);
53 DWORD colorGradientActiveCaptionRight;
54 colorGradientActiveCaptionRight = GetSysColor(COLOR_GRADIENTACTIVECAPTION);
55 QLinearGradient g;
56 QColor start = QColor(GetRValue(colorGradientActiveCaptionLeft),
57 GetGValue(colorGradientActiveCaptionLeft),
58 GetBValue(colorGradientActiveCaptionLeft));
59 g.setColorAt(0.0, start);
60 QColor end = QColor(GetRValue(colorGradientActiveCaptionRight),
61 GetGValue(colorGradientActiveCaptionRight),
62 GetBValue(colorGradientActiveCaptionRight));
63 g.setColorAt(1.0, end);
64 m_seriesColors.append(ChartThemeManager::colorAt(g, 0.5));
65
66 // Generate gradients from the base colors
67 m_seriesGradients = ChartThemeManager::generateSeriesGradients(m_seriesColors);
68
69 // Background fill color from COLOR_WINDOW
70 QLinearGradient backgroundGradient;
71 DWORD colorWindow;
72 colorWindow = GetSysColor(COLOR_WINDOW);
73 backgroundGradient.setColorAt(0.0, QColor(GetRValue(colorWindow),
74 GetGValue(colorWindow),
75 GetBValue(colorWindow)));
76 backgroundGradient.setColorAt(1.0, QColor(GetRValue(colorWindow),
77 GetGValue(colorWindow),
78 GetBValue(colorWindow)));
79 // Axes and other
80 m_axisLinePen = QPen(0xd6d6d6);
81 m_axisLinePen.setWidth(1);
82 m_labelBrush = QBrush(QRgb(0x404044));
83 m_gridLinePen = QPen(QRgb(0xe2e2e2));
84 m_gridLinePen.setWidth(1);
85 m_minorGridLinePen = QPen(QRgb(0xe2e2e2));
86 m_minorGridLinePen.setWidth(1);
87 m_minorGridLinePen.setStyle(Qt::DashLine);
88 m_backgroundShades = BackgroundShadesNone;
89
90#elif defined(Q_OS_LINUX)
91 // Using a hard coded theme for Linux system theme
92 m_seriesColors << QRgb(0x60a6e6);
93 m_seriesColors << QRgb(0x92ca66);
94 m_seriesColors << QRgb(0xeba85f);
95 m_seriesColors << QRgb(0xfc5751);
96 m_seriesGradients = ChartThemeManager::generateSeriesGradients(colors: m_seriesColors);
97
98 // Background
99 QLinearGradient backgroundGradient;
100 backgroundGradient.setColorAt(pos: 0.0, color: QRgb(0xffffff));
101 backgroundGradient.setColorAt(pos: 1.0, color: QRgb(0xffffff));
102 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
103 m_chartBackgroundGradient = backgroundGradient;
104
105 // Axes and other
106 m_axisLinePen = QPen(0xd6d6d6);
107 m_axisLinePen.setWidth(1);
108 m_labelBrush = QBrush(QRgb(0x404044));
109 m_gridLinePen = QPen(QRgb(0xe2e2e2));
110 m_gridLinePen.setWidth(1);
111 m_minorGridLinePen = QPen(QRgb(0x404044));
112 m_minorGridLinePen.setWidth(1);
113 m_minorGridLinePen.setStyle(Qt::DashLine);
114 m_backgroundShades = BackgroundShadesNone;
115
116#elif defined(Q_OS_MAC)
117 // Using a hard coded theme for OSX system theme; the colors match the OSX 10.7 colors
118 m_seriesColors << QRgb(0x60a6e6);
119 m_seriesColors << QRgb(0x92ca66);
120 m_seriesColors << QRgb(0xeba85f);
121 m_seriesColors << QRgb(0xfc5751);
122 m_seriesGradients = ChartThemeManager::generateSeriesGradients(m_seriesColors);
123
124 // Background
125 QLinearGradient backgroundGradient;
126 backgroundGradient.setColorAt(0.0, QRgb(0xffffff));
127 backgroundGradient.setColorAt(1.0, QRgb(0xffffff));
128 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
129 m_chartBackgroundGradient = backgroundGradient;
130
131 // Axes and other
132 m_axisLinePen = QPen(0xd6d6d6);
133 m_axisLinePen.setWidth(1);
134 m_labelBrush = QBrush(QRgb(0x404044));
135 m_gridLinePen = QPen(QRgb(0xe2e2e2));
136 m_gridLinePen.setWidth(1);
137 m_minorGridLinePen = QPen(QRgb(0xe2e2e2));
138 m_minorGridLinePen.setWidth(1);
139 m_minorGridLinePen.setStyle(Qt::DashLine);
140 m_backgroundShades = BackgroundShadesNone;
141
142#else
143 // Hard coded theme
144 m_seriesColors << QRgb(0x60a6e6);
145 m_seriesColors << QRgb(0x92ca66);
146 m_seriesColors << QRgb(0xeba85f);
147 m_seriesColors << QRgb(0xfc5751);
148 m_seriesGradients = ChartThemeManager::generateSeriesGradients(m_seriesColors);
149
150 // Background
151 QLinearGradient backgroundGradient;
152 backgroundGradient.setColorAt(0.0, QRgb(0xffffff));
153 backgroundGradient.setColorAt(1.0, QRgb(0xffffff));
154 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
155 m_chartBackgroundGradient = backgroundGradient;
156
157 // Axes and other
158 m_axisLinePen = QPen(0xd6d6d6);
159 m_axisLinePen.setWidth(1);
160 m_labelBrush = QBrush(QRgb(0x404044));
161 m_gridLinePen = QPen(QRgb(0xe2e2e2));
162 m_gridLinePen.setWidth(1);
163 m_minorGridLinePen = QPen(QRgb(0xe2e2e2));
164 m_minorGridLinePen.setWidth(1);
165 m_minorGridLinePen.setStyle(Qt::DashLine);
166 m_backgroundShades = BackgroundShadesNone;
167#endif
168 }
169};
170
171QT_END_NAMESPACE
172
173#endif // CHARTTHEMESYSTEM_P_H
174

source code of qtcharts/src/charts/themes/chartthemesystem_p.h