124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
/*
|
|
This file is part of Telegram Desktop,
|
|
an unofficial desktop messaging app, see https://telegram.org
|
|
|
|
Telegram Desktop is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
It is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
|
|
Copyright (c) 2014 John Preston, https://tdesktop.com
|
|
*/
|
|
#include "stdafx.h"
|
|
|
|
#include "gui/flatlabel.h"
|
|
|
|
namespace {
|
|
TextParseOptions _labelOptions = {
|
|
TextParseMultiline, // flags
|
|
0, // maxw
|
|
0, // maxh
|
|
Qt::LayoutDirectionAuto, // dir
|
|
};
|
|
}
|
|
|
|
FlatLabel::FlatLabel(QWidget *parent, const QString &text, const style::flatLabel &st, const style::textStyle &tst) : TWidget(parent),
|
|
_st(st), _tst(tst), _text(_st.width ? _st.width : QFIXED_MAX), _opacity(1) {
|
|
setRichText(text);
|
|
}
|
|
|
|
void FlatLabel::setText(const QString &text) {
|
|
textstyleSet(&_tst);
|
|
_text.setText(_st.font, text, _labelOptions);
|
|
textstyleRestore();
|
|
int32 w = _st.width ? _st.width : _text.maxWidth(), h = _text.countHeight(w);
|
|
resize(w, h);
|
|
}
|
|
|
|
void FlatLabel::setRichText(const QString &text) {
|
|
textstyleSet(&_tst);
|
|
const char *t = text.toUtf8().constData();
|
|
_text.setRichText(_st.font, text, _labelOptions);
|
|
textstyleRestore();
|
|
int32 w = _st.width ? _st.width : _text.maxWidth(), h = _text.countHeight(w);
|
|
resize(w, h);
|
|
setMouseTracking(_text.hasLinks());
|
|
}
|
|
|
|
void FlatLabel::setLink(uint16 lnkIndex, const TextLinkPtr &lnk) {
|
|
_text.setLink(lnkIndex, lnk);
|
|
}
|
|
|
|
void FlatLabel::mouseMoveEvent(QMouseEvent *e) {
|
|
_lastMousePos = e->globalPos();
|
|
updateHover();
|
|
}
|
|
|
|
void FlatLabel::mousePressEvent(QMouseEvent *e) {
|
|
_lastMousePos = e->globalPos();
|
|
updateHover();
|
|
if (textlnkOver()) {
|
|
textlnkDown(textlnkOver());
|
|
update();
|
|
}
|
|
}
|
|
|
|
void FlatLabel::mouseReleaseEvent(QMouseEvent *e) {
|
|
_lastMousePos = e->globalPos();
|
|
updateHover();
|
|
if (textlnkOver() && textlnkOver() == textlnkDown()) {
|
|
textlnkOver()->onClick(e->button());
|
|
}
|
|
textlnkDown(TextLinkPtr());
|
|
}
|
|
|
|
void FlatLabel::leaveEvent(QEvent *e) {
|
|
if (_myLink) {
|
|
if (textlnkOver() == _myLink) {
|
|
textlnkOver(TextLinkPtr());
|
|
update();
|
|
}
|
|
_myLink = TextLinkPtr();
|
|
setCursor(style::cur_default);
|
|
}
|
|
}
|
|
|
|
void FlatLabel::updateLink() {
|
|
_lastMousePos = QCursor::pos();
|
|
updateHover();
|
|
}
|
|
|
|
void FlatLabel::updateHover() {
|
|
QPoint m(mapFromGlobal(_lastMousePos));
|
|
bool wasMy = (_myLink == textlnkOver());
|
|
textstyleSet(&_tst);
|
|
_myLink = _text.link(m.x(), m.y(), width(), _st.align);
|
|
textstyleRestore();
|
|
if (_myLink != textlnkOver()) {
|
|
if (wasMy || _myLink || rect().contains(m)) {
|
|
textlnkOver(_myLink);
|
|
}
|
|
setCursor(_myLink ? style::cur_pointer : style::cur_default);
|
|
update();
|
|
}
|
|
}
|
|
|
|
void FlatLabel::setOpacity(float64 o) {
|
|
_opacity = o;
|
|
update();
|
|
}
|
|
|
|
void FlatLabel::paintEvent(QPaintEvent *e) {
|
|
QPainter p(this);
|
|
p.setOpacity(_opacity);
|
|
textstyleSet(&_tst);
|
|
_text.draw(p, 0, 0, width(), _st.align, e->rect().y(), e->rect().bottom());
|
|
textstyleRestore();
|
|
}
|