130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
/*
|
|
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 "ui/controls/emoji_button.h"
|
|
|
|
#include "ui/effects/radial_animation.h"
|
|
#include "ui/effects/ripple_animation.h"
|
|
#include "styles/style_chat.h"
|
|
|
|
namespace Ui {
|
|
namespace {
|
|
|
|
} // namespace
|
|
|
|
EmojiButton::EmojiButton(QWidget *parent, const style::IconButton &st)
|
|
: RippleButton(parent, st.ripple)
|
|
, _st(st) {
|
|
resize(_st.width, _st.height);
|
|
setCursor(style::cur_pointer);
|
|
}
|
|
|
|
void EmojiButton::paintEvent(QPaintEvent *e) {
|
|
Painter p(this);
|
|
|
|
p.fillRect(e->rect(), st::historyComposeAreaBg);
|
|
paintRipple(p, _st.rippleAreaPosition.x(), _st.rippleAreaPosition.y(), _rippleOverride ? &(*_rippleOverride)->c : nullptr);
|
|
|
|
const auto over = isOver();
|
|
const auto loadingState = _loading
|
|
? _loading->computeState()
|
|
: RadialState{ 0., 0, RadialState::kFull };
|
|
const auto icon = _iconOverride ? _iconOverride : &(over ? _st.iconOver : _st.icon);
|
|
auto position = _st.iconPosition;
|
|
if (position.x() < 0) {
|
|
position.setX((width() - icon->width()) / 2);
|
|
}
|
|
if (position.y() < 0) {
|
|
position.setY((height() - icon->height()) / 2);
|
|
}
|
|
const auto skipx = icon->width() / 4;
|
|
const auto skipy = icon->height() / 4;
|
|
const auto inner = QRect(
|
|
position + QPoint(skipx, skipy),
|
|
QSize(icon->width() - 2 * skipx, icon->height() - 2 * skipy));
|
|
|
|
if (loadingState.shown < 1.) {
|
|
p.setOpacity(1. - loadingState.shown);
|
|
icon->paint(p, position, width());
|
|
p.setOpacity(1.);
|
|
}
|
|
|
|
const auto color = (_colorOverride
|
|
? *_colorOverride
|
|
: (over
|
|
? st::historyEmojiCircleFgOver
|
|
: st::historyEmojiCircleFg));
|
|
if (anim::Disabled() && _loading && _loading->animating()) {
|
|
anim::DrawStaticLoading(
|
|
p,
|
|
inner,
|
|
st::historyEmojiCircleLine,
|
|
color);
|
|
} else {
|
|
auto pen = color->p;
|
|
pen.setWidth(st::historyEmojiCircleLine);
|
|
pen.setCapStyle(Qt::RoundCap);
|
|
p.setPen(pen);
|
|
p.setBrush(Qt::NoBrush);
|
|
|
|
PainterHighQualityEnabler hq(p);
|
|
if (loadingState.arcLength < RadialState::kFull) {
|
|
p.drawArc(inner, loadingState.arcFrom, loadingState.arcLength);
|
|
} else {
|
|
p.drawEllipse(inner);
|
|
}
|
|
}
|
|
}
|
|
|
|
void EmojiButton::loadingAnimationCallback() {
|
|
if (!anim::Disabled()) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
void EmojiButton::setLoading(bool loading) {
|
|
if (loading && !_loading) {
|
|
_loading = std::make_unique<InfiniteRadialAnimation>(
|
|
[=] { loadingAnimationCallback(); },
|
|
st::defaultInfiniteRadialAnimation);
|
|
}
|
|
if (loading) {
|
|
_loading->start();
|
|
update();
|
|
} else if (_loading) {
|
|
_loading->stop();
|
|
update();
|
|
}
|
|
}
|
|
|
|
void EmojiButton::setColorOverrides(const style::icon *iconOverride, const style::color *colorOverride, const style::color *rippleOverride) {
|
|
_iconOverride = iconOverride;
|
|
_colorOverride = colorOverride;
|
|
_rippleOverride = rippleOverride;
|
|
update();
|
|
}
|
|
|
|
void EmojiButton::onStateChanged(State was, StateChangeSource source) {
|
|
RippleButton::onStateChanged(was, source);
|
|
auto wasOver = static_cast<bool>(was & StateFlag::Over);
|
|
if (isOver() != wasOver) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
QPoint EmojiButton::prepareRippleStartPosition() const {
|
|
if (!_st.rippleAreaSize) {
|
|
return DisabledRippleStartPosition();
|
|
}
|
|
return mapFromGlobal(QCursor::pos()) - _st.rippleAreaPosition;
|
|
}
|
|
|
|
QImage EmojiButton::prepareRippleMask() const {
|
|
return RippleAnimation::ellipseMask(QSize(_st.rippleAreaSize, _st.rippleAreaSize));
|
|
}
|
|
|
|
} // namespace Ui
|