Mercurial > minori
annotate include/gui/widgets/graph.h @ 327:b5d6c27c308f
anime: refactor Anime::SeriesSeason to Season class
ToLocalString has also been altered to take in both season
and year because lots of locales actually treat formatting
seasons differently! most notably is Russian which adds a
suffix at the end to notate seasons(??)
| author | Paper <paper@paper.us.eu.org> |
|---|---|
| date | Thu, 13 Jun 2024 01:49:18 -0400 |
| parents | f31305b9f60a |
| children | f81bed4e04ac |
| rev | line source |
|---|---|
|
261
3ec7804abf17
include: make header guards more sane
Paper <paper@paper.us.eu.org>
parents:
259
diff
changeset
|
1 #ifndef MINORI_GUI_WIDGETS_GRAPH_H_ |
|
3ec7804abf17
include: make header guards more sane
Paper <paper@paper.us.eu.org>
parents:
259
diff
changeset
|
2 #define MINORI_GUI_WIDGETS_GRAPH_H_ |
|
94
2f373d48f889
*: etc changes to graph stuff
Paper <mrpapersonic@gmail.com>
parents:
93
diff
changeset
|
3 |
|
96
bd68e4393e6f
statistics: forward declare Graph
Paper <mrpapersonic@gmail.com>
parents:
94
diff
changeset
|
4 /* This class is defined as a template, so that means everything gets defined here as well :) */ |
|
bd68e4393e6f
statistics: forward declare Graph
Paper <mrpapersonic@gmail.com>
parents:
94
diff
changeset
|
5 |
| 102 | 6 #include <QDebug> |
| 93 | 7 #include <QPaintEvent> |
| 8 #include <QPainter> | |
| 9 #include <QPainterPath> | |
| 10 #include <QPen> | |
| 258 | 11 #include <QRect> |
| 12 #include <QSize> | |
| 13 #include <QWidget> | |
| 102 | 14 #include <algorithm> |
|
96
bd68e4393e6f
statistics: forward declare Graph
Paper <mrpapersonic@gmail.com>
parents:
94
diff
changeset
|
15 #include <unordered_map> |
| 93 | 16 |
|
171
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
17 template<typename T> |
| 93 | 18 class Graph final : public QWidget { |
| 258 | 19 public: |
| 20 Graph(QWidget* parent = nullptr) : QWidget(parent){}; | |
| 21 void AddItem(T key, unsigned long val) { | |
| 22 map[key] = val; | |
| 23 update(); | |
| 24 updateGeometry(); | |
| 25 }; | |
| 26 void Clear() { | |
| 27 map.clear(); | |
| 28 update(); | |
| 29 updateGeometry(); | |
| 30 }; | |
| 31 | |
| 32 protected: | |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
33 static constexpr int HORIZ_SPACING = 5; |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
34 static constexpr int VERT_SPACING = 3; |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
35 |
| 258 | 36 std::unordered_map<T, unsigned long> map = {}; |
| 93 | 37 |
| 258 | 38 QSize minimumSizeHint() const override { |
| 39 QFontMetrics metric(font()); | |
| 40 /* wtf?... */ | |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
41 return QSize(100, (metric.height() * map.size()) + (VERT_SPACING * map.size())); |
| 258 | 42 } |
| 43 | |
| 44 /* helper functions */ | |
| 45 inline unsigned long GetTotal() { | |
| 46 unsigned long count = 0; | |
|
171
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
47 |
| 258 | 48 for (const auto& item : map) |
| 49 count += item.second; | |
| 50 | |
| 51 return count; | |
| 52 } | |
| 53 | |
| 54 inline unsigned long GetTextWidth() { | |
| 55 unsigned long ret = 0; | |
| 56 QFontMetrics metric(font()); | |
| 57 | |
| 58 for (const auto& item : map) { | |
|
273
f31305b9f60a
*: various code safety changes
Paper <paper@paper.us.eu.org>
parents:
261
diff
changeset
|
59 unsigned long width = metric.boundingRect(QString::number(item.first)).width(); |
| 258 | 60 if (width > ret) |
| 61 ret = width; | |
|
171
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
62 } |
|
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
63 |
| 258 | 64 return ret; |
| 65 } | |
|
171
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
66 |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
67 inline unsigned long GetValueWidth() { |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
68 unsigned long ret = 0; |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
69 QFontMetrics metric(font()); |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
70 |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
71 for (const auto& item : map) { |
|
273
f31305b9f60a
*: various code safety changes
Paper <paper@paper.us.eu.org>
parents:
261
diff
changeset
|
72 unsigned long width = metric.boundingRect(QString::number(item.second)).width(); |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
73 if (width > ret) |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
74 ret = width; |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
75 } |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
76 |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
77 return ret; |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
78 } |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
79 |
| 258 | 80 void paintEvent(QPaintEvent* event) override { |
| 81 /* these are retrieved from the QPaintEvent */ | |
| 82 const QRect rect = event->rect(); | |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
83 const int width = rect.width(); |
| 258 | 84 const int x = rect.x(); |
| 85 int y = rect.y(); | |
|
171
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
86 |
| 258 | 87 /* these are calculated from font metrics and such */ |
| 88 const int total = GetTotal(); | |
| 89 const int text_width = GetTextWidth(); | |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
90 const int value_width = GetValueWidth(); |
| 258 | 91 const int each_height = QFontMetrics(font()).height(); |
| 92 | |
| 93 /* now we do the actual painting */ | |
| 94 QPainter painter(this); | |
|
171
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
95 |
| 258 | 96 for (const auto& [key, value] : map) { |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
97 int offset = 0; |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
98 |
| 258 | 99 painter.drawText(QRect(x, y, text_width, each_height), Qt::AlignVCenter | Qt::AlignRight, |
| 100 QString::number(key)); | |
|
171
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
101 |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
102 offset += text_width + HORIZ_SPACING; |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
103 |
| 258 | 104 /* only draw this if we actually have any data */ |
| 105 if (total) { | |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
106 painter.save(); |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
107 |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
108 QPen pen(painter.pen()); |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
109 pen.setStyle(Qt::NoPen); |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
110 painter.setPen(pen); |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
111 |
| 258 | 112 QPainterPath path; |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
113 path.addRect(x + offset, y, |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
114 (static_cast<double>(value) / total) * (width - offset - HORIZ_SPACING - value_width), each_height); |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
115 painter.fillPath(path, Qt::darkGreen); |
| 258 | 116 painter.drawPath(path); |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
117 |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
118 offset += (static_cast<double>(value) / total) * (width - offset - HORIZ_SPACING - value_width); |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
119 |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
120 painter.restore(); |
| 102 | 121 } |
|
171
03b444cbe55f
graph: improve? drawing the text
Paper <mrpapersonic@gmail.com>
parents:
102
diff
changeset
|
122 |
|
259
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
123 offset += HORIZ_SPACING; |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
124 |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
125 painter.drawText(QRect(x + offset, y, value_width, each_height), Qt::AlignVCenter | Qt::AlignLeft, QString::number(value)); |
|
0362f3c4534c
widgets/graph: improve drawing code
Paper <paper@paper.us.eu.org>
parents:
258
diff
changeset
|
126 |
| 258 | 127 y += each_height + VERT_SPACING; |
| 102 | 128 } |
| 258 | 129 } |
| 93 | 130 }; |
| 131 | |
|
261
3ec7804abf17
include: make header guards more sane
Paper <paper@paper.us.eu.org>
parents:
259
diff
changeset
|
132 #endif // MINORI_GUI_WIDGETS_GRAPH_H_ |