aboutsummaryrefslogtreecommitdiffstats
path: root/src/libs/utils/stylehelper.h
blob: a6549f431a38f6617cd7622eed44744b77760797 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#pragma once

#include "utils_global.h"

#include <QStyle>

QT_BEGIN_NAMESPACE
class QPalette;
class QPainter;
class QRect;
// Note, this is exported but in a private header as qtopengl depends on it.
// We should consider adding this as a public helper function.
void qt_blurImage(QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed = 0);
QT_END_NAMESPACE

// Helper class holding all custom color values

namespace Utils {
class QTCREATOR_UTILS_EXPORT StyleHelper
{
public:
    static const unsigned int DEFAULT_BASE_COLOR = 0x666666;
    static const int progressFadeAnimationDuration = 600;

    // Height of the project explorer navigation bar
    static int navigationWidgetHeight() { return 24; }
    static qreal sidebarFontSize();
    static QPalette sidebarFontPalette(const QPalette &original);

    // This is our color table, all colors derive from baseColor
    static QColor requestedBaseColor() { return m_requestedBaseColor; }
    static QColor baseColor(bool lightColored = false);
    static QColor panelTextColor(bool lightColored = false);
    static QColor highlightColor(bool lightColored = false);
    static QColor shadowColor(bool lightColored = false);
    static QColor borderColor(bool lightColored = false);
    static QColor toolBarBorderColor();
    static QColor buttonTextColor() { return QColor(0x4c4c4c); }
    static QColor mergedColors(const QColor &colorA, const QColor &colorB, int factor = 50);
    static QColor alphaBlendedColors(const QColor &colorA, const QColor &colorB);

    static QColor sidebarHighlight() { return QColor(255, 255, 255, 40); }
    static QColor sidebarShadow() { return QColor(0, 0, 0, 40); }

    static QColor toolBarDropShadowColor() { return QColor(0, 0, 0, 70); }

    static QColor notTooBrightHighlightColor();

    // Sets the base color and makes sure all top level widgets are updated
    static void setBaseColor(const QColor &color);

    // Draws a shaded anti-aliased arrow
    static void drawArrow(QStyle::PrimitiveElement element, QPainter *painter, const QStyleOption *option);

    // Gradients used for panels
    static void horizontalGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect, bool lightColored = false);
    static void verticalGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect, bool lightColored = false);
    static void menuGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect);
    static bool usePixmapCache() { return true; }

    static QPixmap disabledSideBarIcon(const QPixmap &enabledicon);
    static void drawIconWithShadow(const QIcon &icon, const QRect &rect, QPainter *p, QIcon::Mode iconMode,
                                   int dipRadius = 3, const QColor &color = QColor(0, 0, 0, 130),
                                   const QPoint &dipOffset = QPoint(1, -2));
    static void drawCornerImage(const QImage &img, QPainter *painter, const QRect &rect,
                         int left = 0, int top = 0, int right = 0, int bottom = 0);

    static void tintImage(QImage &img, const QColor &tintColor);
    static QLinearGradient statusBarGradient(const QRect &statusBarRect);

    class IconFontHelper
    {
        public:
            IconFontHelper(const QString &iconSymbol,
                           const QColor &color,
                           const QSize &size,
                           QIcon::Mode mode = QIcon::Normal,
                           QIcon::State state = QIcon::Off)
                : m_iconSymbol(iconSymbol)
                , m_color(color)
                , m_size(size)
                , m_mode(mode)
                , m_state(state)
            {}

            QString iconSymbol() const { return m_iconSymbol; }
            QColor color() const { return m_color; }
            QSize size() const { return m_size; }
            QIcon::Mode mode() const { return m_mode; }
            QIcon::State state() const { return m_state; }

        private:
            QString m_iconSymbol;
            QColor m_color;
            QSize m_size;
            QIcon::Mode m_mode;
            QIcon::State m_state;
    };

    static QIcon getIconFromIconFont(const QString &fontName, const QList<IconFontHelper> &parameters);
    static QIcon getIconFromIconFont(const QString &fontName, const QString &iconSymbol, int fontSize, int iconSize, QColor color);
    static QIcon getIconFromIconFont(const QString &fontName, const QString &iconSymbol, int fontSize, int iconSize);
    static QIcon getCursorFromIconFont(const QString &fontname, const QString &cursorFill, const QString &cursorOutline,
                                       int fontSize, int iconSize);

    static QString dpiSpecificImageFile(const QString &fileName);
    static QString imageFileWithResolution(const QString &fileName, int dpr);
    static QList<int> availableImageResolutions(const QString &fileName);

    static double luminance(const QColor &color);
    static bool isReadableOn(const QColor &background, const QColor &foreground);

private:
    static QColor m_baseColor;
    static QColor m_requestedBaseColor;
};

} // namespace Utils