-
Notifications
You must be signed in to change notification settings - Fork 0
/
headbar.cpp
373 lines (337 loc) · 11.5 KB
/
headbar.cpp
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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
#include "headbar.h"
#include <QApplication>
#include <QFontMetricsF>
#include "design.h"
#include <QDebug>
//******************************************************************************************************
/*!
*\class TabDrawInfo
*\brief Запись с информацией о том, как рисовать вкладку.
*/
//******************************************************************************************************
TabDrawInfo::TabDrawInfo()
: index(-1)
, uid()
, tabRect()
, textRect()
, closeButtonRect()
, text()
, elidedText()
, isHover(false)
, isActive(false)
, isMoving(false)
, iconMode(QIcon::Normal)
{
}
//******************************************************************************************************
/*!
*\class TabBar
*\brief Отображение вкладок, с кнопками.
*/
//******************************************************************************************************
TabSwitcherObject::TabSwitcherObject(HeadBar *headBar)
: GraphicObject(headBar)
, m_headBar(headBar)
, m_data()
, m_isMovingCurrentTab(false)
, m_movingCurrentTabPos()
, m_clickPoint()
, m_clickOffset()
, m_clickTabUid()
, m_isDragging(false)
, m_closeIcon()
{
m_closeIcon.addFile("://resources/CloseNormal.png", QSize(), QIcon::Normal);
m_closeIcon.addFile("://resources/CloseHover.png", QSize(), QIcon::Active);
m_closeIcon.addFile("://resources/CloseDown.png", QSize(), QIcon::Selected);
}
HeadBar* TabSwitcherObject::headBar() const
{
return m_headBar;
}
void TabSwitcherObject::setData(const TabData &value)
{
if (m_data != value)
{
m_data = value;
redraw();
}
}
TabData TabSwitcherObject::data() const
{
return m_data;
}
int TabSwitcherObject::dropIndex(const QPointF &globalPos) const
{
int result = -1;
QPointF pos = supervisor()->positionFromGlobalToLocal(globalPos);
if (rect().contains(pos))
{
result = qBound(0, int((pos.x() - rect().left()) / currentTabWidth()), m_data.items.count());
}
return result;
}
void TabSwitcherObject::moveCurrentTab(const QPointF &globalPos)
{
m_isMovingCurrentTab = true;
m_movingCurrentTabPos = supervisor()->positionFromGlobalToLocal(globalPos);
redraw();
}
void TabSwitcherObject::fixCurrentTab()
{
m_isMovingCurrentTab = false;
redraw();
}
void TabSwitcherObject::ceaseMoving()
{
m_isMovingCurrentTab = false;
m_movingCurrentTabPos = QPointF();
m_clickPoint = QPointF();
m_clickOffset = QPointF();
m_clickTabUid = QUuid();
m_isDragging = false;
redraw();
}
TabController* TabSwitcherObject::tabController() const
{
return headBar()->tabController();
}
void TabSwitcherObject::paint(QPainter *painter)
{
painter->fillRect(rect(), Design::instance()->color(Design::HeadBarBgColor));
TabDrawMap map = tabDrawMap();
foreach (const TabDrawInfo &info, map)
{
if (!info.isActive)
{
paintTab(painter, info);
}
}
if ((data().currentIndex >= 0) && (data().currentIndex < data().items.count()))
{
QUuid currentUid = data().items[data().currentIndex].uid;
if (map.contains(currentUid))
{
paintTab(painter, map[currentUid]);
}
}
paintEmbryo(painter);
}
void TabSwitcherObject::handleEvent(UserEvent event)
{
if ((event.type == UserEvent::MouseDown) && (event.button == Qt::LeftButton))
{
if (embryoRect().contains(event.mousePosition))
{
emit tabController()->tabToBeAdded();
}
else
{
TabDrawMap map = tabDrawMap();
int index = hitCloseButton(event.mousePosition, map);
if (index >= 0)
{
emit tabController()->tabToBeRemoved(index);
return;
}
QPointF offset;
index = hitTab(event.mousePosition, map, offset);
if (index >= 0)
{
if (data().currentIndex != index)
{
emit tabController()->tabToBeActivated(index);
}
m_clickPoint = event.mousePosition;
m_clickOffset = offset;
m_clickTabUid = data().items[index].uid;
m_isDragging = false;
return;
}
}
}
if ((event.type == UserEvent::MouseMove) && (!m_clickTabUid.isNull()))
{
if (!m_isDragging)
{
m_isDragging = ((event.mousePosition - m_clickPoint).manhattanLength() < QApplication::startDragDistance());
if (m_isDragging)
{
emit tabController()->tabToBeginDragging(m_clickTabUid);
}
}
if (m_isDragging)
{
emit tabController()->tabToContinueDragging(m_clickTabUid, supervisor()->positionFromLocalToGlobal(event.mousePosition) - m_clickOffset);
}
}
if (event.type == UserEvent::MouseUp)
{
if (m_isDragging)
{
emit tabController()->tabToBeDropped(m_clickTabUid, supervisor()->positionFromLocalToGlobal(event.mousePosition) - m_clickOffset);
}
m_clickTabUid = QUuid();
m_isDragging = false;
}
}
QSizeF TabSwitcherObject::sizeConstraint(const QSizeF &) const
{
return QSizeF(Design::instance()->size(Design::TabSwitcherMinWidth), Design::instance()->size(Design::TabSwitcherMinHeight));
}
QRectF TabSwitcherObject::embryoRect() const
{
double left = rect().left() + currentTabWidth()*double(data().items.count()) + Design::instance()->size(Design::TabEmbryoSpacing);
double width = Design::instance()->size(Design::TabEmbryoWidth);
double height = Design::instance()->size(Design::TabEmbryoHeight);
QRectF result(left, rect().center().y() - height/2.0, width, height);
return result;
}
NumberMap TabSwitcherObject::currentCoordinates() const
{
NumberMap result;
for (int i = 0; i < m_data.items.count(); i++)
{
double value = rect().left() + double(i)*currentTabWidth();
if ((m_data.currentIndex == i) && (m_isMovingCurrentTab))
{
value = m_movingCurrentTabPos.x() - currentTabWidth()/2.0;
}
result[m_data.items[i].uid] = value;
}
return result;
}
double TabSwitcherObject::currentTabWidth() const
{
return Design::instance()->size(Design::TabMinWidth);
}
TabDrawMap TabSwitcherObject::tabDrawMap() const
{
TabDrawMap result;
NumberMap coordinates = currentCoordinates();
double buttonSize = Design::instance()->size(Design::GraphicButtonDefaultIconSize);
double elementSpacing = Design::instance()->size(Design::TabElementSpacing);
for (int i = 0; i < m_data.items.count(); i++)
{
TabDrawInfo item;
QUuid uid = m_data.items[i].uid;
item.index = i;
item.uid = uid;
double left = coordinates[uid];
item.tabRect = QRectF(left, rect().top(), currentTabWidth(), rect().height());
item.textRect = QRectF(item.tabRect.left() + elementSpacing, rect().top(), currentTabWidth() - buttonSize - elementSpacing*3.0, rect().height());
item.closeButtonRect = QRectF(item.tabRect.right() - buttonSize - elementSpacing, item.tabRect.center().y() - buttonSize/2.0, buttonSize, buttonSize);
item.text = m_data.items[i].label;
item.isActive = (i == m_data.currentIndex);
item.isMoving = item.isActive && m_isMovingCurrentTab;
result[uid] = item;
}
return result;
}
int TabSwitcherObject::hitTab(const QPointF &pos, const TabDrawMap &map, QPointF &offset) const
{
int result = -1;
foreach (const TabDrawInfo &info, map)
{
if (info.tabRect.contains(pos))
{
result = info.index;
offset = pos - info.tabRect.center();
break;
}
}
return result;
}
int TabSwitcherObject::hitCloseButton(const QPointF &pos, const TabDrawMap &map) const
{
int result = -1;
foreach (const TabDrawInfo &info, map)
{
if (info.closeButtonRect.contains(pos))
{
result = info.index;
break;
}
}
return result;
}
void TabSwitcherObject::paintTab(QPainter *painter, const TabDrawInfo &info)
{
QColor textColor = Design::instance()->color(Design::TabNormalTextColor);
QColor bgColor = Design::instance()->color(Design::TabNormalBgColor);
if (info.isActive)
{
textColor = Design::instance()->color(Design::TabActiveTextColor);
bgColor = Design::instance()->color(Design::TabActiveBgColor);
}
else if (info.isHover)
{
textColor = Design::instance()->color(Design::TabHoverTextColor);
bgColor = Design::instance()->color(Design::TabHoverBgColor);
}
painter->setPen(Design::instance()->color(Design::TabLineColor));
painter->setBrush(bgColor);
QPainterPath path;
double radius = Design::instance()->size(Design::TabRadius);
path.moveTo(info.tabRect.bottomLeft());
path.lineTo(info.tabRect.left(), info.tabRect.top() + radius);
path.arcTo(info.tabRect.left(), info.tabRect.top(), radius*2.0, radius*2.0, 180.0, -90.0);
path.lineTo(info.tabRect.right()-radius, info.tabRect.top());
path.arcTo(info.tabRect.right()-radius*2.0, info.tabRect.top(), radius*2.0, radius*2.0, 90.0, -90.0);
path.lineTo(info.tabRect.bottomRight());
path.lineTo(info.tabRect.bottomLeft());
painter->setRenderHint(QPainter::Antialiasing);
painter->drawPath(path);
QFont font;
QFontMetricsF fm(font);
QString elidedText = fm.elidedText(info.text, Qt::ElideMiddle, info.textRect.width());
painter->setPen(textColor);
painter->drawText(info.textRect, Qt::AlignLeft | Qt::AlignVCenter, elidedText);
if (!info.isMoving)
{
m_closeIcon.paint(painter, info.closeButtonRect.toRect(), Qt::AlignCenter, info.iconMode);
}
}
void TabSwitcherObject::paintEmbryo(QPainter *painter)
{
painter->setPen(Design::instance()->color(Design::TabLineColor));
painter->setBrush(Design::instance()->color(Design::TabNormalBgColor));
QRectF r = embryoRect();
QPainterPath path;
double radius = Design::instance()->size(Design::TabRadius);
path.moveTo(r.left(), r.top()+radius);
path.arcTo(r.left(), r.top(), radius*2.0, radius*2.0, 180, -90);
path.lineTo(r.left()+radius, r.top());
path.lineTo(r.right()-radius, r.top());
path.arcTo(r.right()-radius*2.0, r.top(), radius*2.0, radius*2.0, 90, -90);
path.lineTo(r.right(), r.top()+radius);
path.lineTo(r.right(), r.bottom()-radius);
path.arcTo(r.right()-radius*2.0, r.bottom()-radius*2.0, radius*2.0, radius*2.0, 0, -90);
path.lineTo(r.right()-radius, r.bottom());
path.lineTo(r.left()+radius, r.bottom());
path.arcTo(r.left(), r.bottom()-radius*2.0, radius*2.0, radius*2.0, -90, -90);
path.lineTo(r.left(), r.bottom()-radius);
path.closeSubpath();
painter->drawPath(path);
}
//******************************************************************************************************
/*!
*\class HeadBar
*\brief Верхняя панель, включая вкладки.
*/
//******************************************************************************************************
HeadBar::HeadBar(QWidget *parent)
: GraphicWidget(parent)
, m_tabBar(NULL)
, m_tabController(NULL)
{
m_tabBar = new TabSwitcherObject(this);
m_tabBar->setSupervisor(this);
setGraphicObject(m_tabBar);
m_tabController = new TabController(m_tabBar, this);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
}
TabController* HeadBar::tabController() const
{
return m_tabController;
}