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
|
/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "window/window_history_hider.h"
#include "lang/lang_keys.h"
#include "ui/widgets/buttons.h"
#include "ui/widgets/shadow.h"
#include "ui/cached_round_corners.h"
#include "mainwidget.h"
#include "styles/style_layers.h"
#include "styles/style_chat.h"
namespace Window {
HistoryHider::HistoryHider(QWidget *parent, const QString &text)
: RpWidget(parent)
, _text(text) {
Lang::Updated(
) | rpl::start_with_next([=] {
refreshLang();
}, lifetime());
_chooseWidth = st::historyForwardChooseFont->width(_text);
resizeEvent(0);
_a_opacity.start([=] { update(); }, 0., 1., st::boxDuration);
}
HistoryHider::~HistoryHider() = default;
void HistoryHider::refreshLang() {
InvokeQueued(this, [this] { updateControlsGeometry(); });
}
void HistoryHider::paintEvent(QPaintEvent *e) {
auto p = QPainter(this);
auto opacity = _a_opacity.value(_hiding ? 0. : 1.);
if (opacity == 0.) {
if (_hiding) {
_hidden.fire({});
}
return;
}
p.setOpacity(opacity);
p.fillRect(rect(), st::layerBg);
p.setFont(st::historyForwardChooseFont);
auto w = st::historyForwardChooseMargins.left() + _chooseWidth + st::historyForwardChooseMargins.right();
auto h = st::historyForwardChooseMargins.top() + st::historyForwardChooseFont->height + st::historyForwardChooseMargins.bottom();
Ui::FillRoundRect(p, (width() - w) / 2, (height() - h) / 2, w, h, st::historyForwardChooseBg, Ui::ForwardCorners);
p.setPen(st::historyForwardChooseFg);
p.drawText(_box, _text, QTextOption(style::al_center));
}
void HistoryHider::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Escape) {
startHide();
}
}
void HistoryHider::mousePressEvent(QMouseEvent *e) {
if (e->button() == Qt::LeftButton) {
if (!_box.contains(e->pos())) {
startHide();
}
}
}
void HistoryHider::startHide() {
if (_hiding) return;
_hiding = true;
_a_opacity.start([=] { animationCallback(); }, 1., 0., st::boxDuration);
}
void HistoryHider::animationCallback() {
update();
if (!_a_opacity.animating() && _hiding) {
crl::on_main(this, [=] { _hidden.fire({}); });
}
}
rpl::producer<> HistoryHider::hidden() const {
return _hidden.events();
}
void HistoryHider::resizeEvent(QResizeEvent *e) {
updateControlsGeometry();
}
void HistoryHider::updateControlsGeometry() {
auto w = st::boxWidth;
auto h = st::boxPadding.top() + st::boxPadding.bottom();
h += st::historyForwardChooseFont->height;
_box = QRect((width() - w) / 2, (height() - h) / 2, w, h);
}
} // namespace Window
|
