tdesktop/Telegram/SourceFiles/dropdown.cpp

687 lines
19 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 "dropdown.h"
#include "historywidget.h"
#include "lang.h"
Dropdown::Dropdown(QWidget *parent) : TWidget(parent),
_hiding(false), a_opacity(0), _shadow(st::dropdownShadow) {
resetButtons();
_hideTimer.setSingleShot(true);
connect(&_hideTimer, SIGNAL(timeout()), this, SLOT(hideStart()));
}
IconedButton *Dropdown::addButton(IconedButton *button) {
button->setParent(this);
_width = qMax(_width, st::dropdownPadding.left() + st::dropdownPadding.right() + button->width());
if (!_buttons.isEmpty()) {
_height += st::dropdownBorder;
}
_height += button->height();
_buttons.push_back(button);
resize(_width, _height);
return button;
}
void Dropdown::resetButtons() {
_width = st::dropdownPadding.left() + st::dropdownPadding.right();
_height = st::dropdownPadding.top() + st::dropdownPadding.bottom();
resize(_width, _height);
for (int32 i = 0, l = _buttons.size(); i < l; ++i) {
delete _buttons[i];
}
_buttons.clear();
}
void Dropdown::resizeEvent(QResizeEvent *e) {
int32 top = st::dropdownPadding.top();
for (Buttons::const_iterator i = _buttons.cbegin(), e = _buttons.cend(); i != e; ++i) {
(*i)->move(st::dropdownPadding.left(), top);
top += st::dropdownBorder + (*i)->height();
}
}
void Dropdown::paintEvent(QPaintEvent *e) {
QPainter p(this);
if (animating()) {
p.setOpacity(a_opacity.current());
}
QRect r(st::dropdownPadding.left(), st::dropdownPadding.top(), _width - st::dropdownPadding.left() - st::dropdownPadding.right(), _height - st::dropdownPadding.top() - st::dropdownPadding.bottom());
// draw shadow
_shadow.paint(p, r);
if (!_buttons.isEmpty()) { // paint separators
int32 top = st::dropdownPadding.top() + _buttons.front()->height();
p.setPen(st::dropdownBorderColor->p);
for (int32 i = 1, s = _buttons.size(); i < s; ++i) {
p.fillRect(st::dropdownPadding.left(), top, _width - st::dropdownPadding.left() - st::dropdownPadding.right(), st::dropdownBorder, st::dropdownBorderColor->b);
top += st::dropdownBorder + _buttons[i]->height();
}
}
}
void Dropdown::enterEvent(QEvent *e) {
_hideTimer.stop();
if (_hiding) showStart();
}
void Dropdown::leaveEvent(QEvent *e) {
if (animating()) {
hideStart();
} else {
_hideTimer.start(300);
}
}
void Dropdown::otherEnter() {
_hideTimer.stop();
showStart();
}
void Dropdown::otherLeave() {
if (animating()) {
hideStart();
} else {
_hideTimer.start(0);
}
}
void Dropdown::fastHide() {
if (animating()) {
anim::stop(this);
}
a_opacity = anim::fvalue(0, 0);
_hideTimer.stop();
hide();
}
void Dropdown::adjustButtons() {
for (Buttons::const_iterator i = _buttons.cbegin(), e = _buttons.cend(); i != e; ++i) {
(*i)->setOpacity(a_opacity.current());
}
}
void Dropdown::hideStart() {
_hiding = true;
a_opacity.start(0);
anim::start(this);
}
void Dropdown::hideFinish() {
hide();
}
void Dropdown::showStart() {
if (!isHidden() && a_opacity.current() == 1) {
return;
}
_hiding = false;
show();
a_opacity.start(1);
anim::start(this);
}
bool Dropdown::animStep(float64 ms) {
float64 dt = ms / 150;
bool res = true;
if (dt >= 1) {
a_opacity.finish();
if (_hiding) {
hideFinish();
}
res = false;
} else {
a_opacity.update(dt, anim::linear);
}
adjustButtons();
update();
return res;
}
bool Dropdown::eventFilter(QObject *obj, QEvent *e) {
if (e->type() == QEvent::Enter) {
otherEnter();
} else if (e->type() == QEvent::Leave) {
otherLeave();
} else if (e->type() == QEvent::MouseButtonPress && static_cast<QMouseEvent*>(e)->button() == Qt::LeftButton) {
if (isHidden() || _hiding) {
otherEnter();
} else {
otherLeave();
}
}
return false;
}
DragArea::DragArea(QWidget *parent) : TWidget(parent),
_hiding(false), _in(false), a_opacity(0), a_color(st::dragColor->c), _shadow(st::boxShadow) {
setMouseTracking(true);
setAcceptDrops(true);
}
void DragArea::mouseMoveEvent(QMouseEvent *e) {
if (_hiding) return;
bool newIn = QRect(st::dragPadding.left(), st::dragPadding.top(), width() - st::dragPadding.left() - st::dragPadding.right(), height() - st::dragPadding.top() - st::dragPadding.bottom()).contains(e->pos());
if (newIn != _in) {
_in = newIn;
a_opacity.start(1);
a_color.start((_in ? st::dragDropColor : st::dragColor)->c);
anim::start(this);
}
}
void DragArea::dragMoveEvent(QDragMoveEvent *e) {
QRect r(st::dragPadding.left(), st::dragPadding.top(), width() - st::dragPadding.left() - st::dragPadding.right(), height() - st::dragPadding.top() - st::dragPadding.bottom());
bool newIn = r.contains(e->pos());
if (newIn != _in) {
_in = newIn;
a_opacity.start(1);
a_color.start((_in ? st::dragDropColor : st::dragColor)->c);
anim::start(this);
}
e->setDropAction(_in ? Qt::CopyAction : Qt::IgnoreAction);
e->accept();
}
void DragArea::setText(const QString &text, const QString &subtext) {
_text = text;
_subtext = subtext;
update();
}
void DragArea::paintEvent(QPaintEvent *e) {
QPainter p(this);
if (animating()) {
p.setOpacity(a_opacity.current());
}
QRect r(st::dragPadding.left(), st::dragPadding.top(), width() - st::dragPadding.left() - st::dragPadding.right(), height() - st::dragPadding.top() - st::dragPadding.bottom());
// draw shadow
_shadow.paint(p, r);
p.fillRect(r, st::white->b);
p.setPen(a_color.current());
p.setFont(st::dragFont->f);
p.drawText(QRect(0, (height() - st::dragHeight) / 2, width(), st::dragFont->height), _text, QTextOption(style::al_top));
p.setFont(st::dragSubfont->f);
p.drawText(QRect(0, (height() + st::dragHeight) / 2 - st::dragSubfont->height, width(), st::dragSubfont->height * 2), _subtext, QTextOption(style::al_top));
}
void DragArea::dragEnterEvent(QDragEnterEvent *e) {
static_cast<HistoryWidget*>(parentWidget())->dragEnterEvent(e);
e->setDropAction(Qt::IgnoreAction);
e->accept();
}
void DragArea::dragLeaveEvent(QDragLeaveEvent *e) {
static_cast<HistoryWidget*>(parentWidget())->dragLeaveEvent(e);
_in = false;
a_opacity.start(_hiding ? 0 : 1);
a_color.start((_in ? st::dragDropColor : st::dragColor)->c);
anim::start(this);
}
void DragArea::dropEvent(QDropEvent *e) {
static_cast<HistoryWidget*>(parentWidget())->dropEvent(e);
if (e->isAccepted()) {
emit dropped(e);
}
}
void DragArea::otherEnter() {
showStart();
}
void DragArea::otherLeave() {
hideStart();
}
void DragArea::fastHide() {
if (animating()) {
anim::stop(this);
}
a_opacity = anim::fvalue(0, 0);
hide();
}
void DragArea::hideStart() {
_hiding = true;
_in = false;
a_opacity.start(0);
a_color.start((_in ? st::dragDropColor : st::dragColor)->c);
anim::start(this);
}
void DragArea::hideFinish() {
hide();
_in = false;
a_color = anim::cvalue(st::dragColor->c);
}
void DragArea::showStart() {
_hiding = false;
show();
a_opacity.start(1);
a_color.start((_in ? st::dragDropColor : st::dragColor)->c);
anim::start(this);
}
bool DragArea::animStep(float64 ms) {
float64 dt = ms / 150;
bool res = true;
if (dt >= 1) {
a_opacity.finish();
a_color.finish();
if (_hiding) {
hideFinish();
}
res = false;
} else {
a_opacity.update(dt, anim::linear);
a_color.update(dt, anim::linear);
}
update();
return res;
}
EmojiPanInner::EmojiPanInner(QWidget *parent) : QWidget(parent), _tab(cEmojiTab()), _selected(-1), _pressedSel(-1) {
resize(EmojiPadPerRow * st::emojiPanSize.width(), EmojiPadRowsPerPage * st::emojiPanSize.height() - st::emojiPanSub);
setMouseTracking(true);
setFocusPolicy(Qt::NoFocus);
_saveConfigTimer.setSingleShot(true);
connect(&_saveConfigTimer, SIGNAL(timeout()), this, SLOT(onSaveConfig()));
}
void EmojiPanInner::paintEvent(QPaintEvent *e) {
QPainter p(this);
int32 size = _emojis.size();
if (!size) {
p.setFont(st::emojiPanFont->f);
p.setPen(st::emojiPanText->p);
p.drawText(QRect(0, 0, width(), height() * 0.75), lang(lng_emoji_no_recent), QTextOption(style::al_center));
return;
}
QRect r = e ? e->rect() : rect();
int32 rows = (size / EmojiPadPerRow) + ((size % EmojiPadPerRow) ? 1 : 0);
int32 fromrow = qMax(qFloor(r.top() / st::emojiPanSize.height()), 0), torow = qMin(qCeil(r.bottom() / st::emojiPanSize.height()) + 1, rows);
for (int32 i = fromrow; i < torow; ++i) {
for (int32 j = 0; j < EmojiPadPerRow; ++j) {
int32 index = i * EmojiPadPerRow + j;
if (index >= size) break;
float64 hover = _hovers[index];
QPoint w(j * st::emojiPanSize.width(), i * st::emojiPanSize.height());
if (hover > 0) {
p.setOpacity(hover);
p.setBrush(st::emojiPanHover->b);
p.setPen(Qt::NoPen);
p.drawRoundedRect(QRect(w, st::emojiPanSize), st::emojiPanRound, st::emojiPanRound);
p.setOpacity(1);
}
QRect r(_emojis[index]->x, _emojis[index]->y, st::emojiImgSize, st::emojiImgSize);
p.drawPixmap(w + QPoint((st::emojiPanSize.width() - st::emojiSize) / 2, (st::emojiPanSize.height() - st::emojiSize) / 2), App::emojis(), r);
}
}
}
void EmojiPanInner::mousePressEvent(QMouseEvent *e) {
_lastMousePos = e->globalPos();
updateSelected();
_pressedSel = _selected;
}
void EmojiPanInner::mouseReleaseEvent(QMouseEvent *e) {
_lastMousePos = e->globalPos();
updateSelected();
if (_selected == _pressedSel && _selected >= 0 && _selected < _emojis.size()) {
EmojiPtr emoji(_emojis[_selected]);
RecentEmojiPack recent(cGetRecentEmojis());
RecentEmojiPack::iterator i = recent.begin(), e = recent.end();
for (; i != e; ++i) {
if (i->first == emoji) {
++i->second;
if (i->second > 0x8000) {
for (RecentEmojiPack::iterator j = recent.begin(); j != e; ++j) {
if (j->second > 1) {
j->second /= 2;
} else {
j->second = 1;
}
}
}
for (; i != recent.begin(); --i) {
if ((i - 1)->second > i->second) {
break;
}
qSwap(*i, *(i - 1));
}
break;
}
}
if (i == e) {
while (recent.size() >= EmojiPadPerRow * EmojiPadRowsPerPage) recent.pop_back();
recent.push_back(qMakePair(emoji, 1));
for (i = recent.end() - 1; i != recent.begin(); --i) {
if ((i - 1)->second > i->second) {
break;
}
qSwap(*i, *(i - 1));
}
}
cSetRecentEmojis(recent);
_saveConfigTimer.start(SaveRecentEmojisTimeout);
emit emojiSelected(emoji);
}
}
void EmojiPanInner::onSaveConfig() {
App::writeUserConfig();
}
void EmojiPanInner::mouseMoveEvent(QMouseEvent *e) {
_lastMousePos = e->globalPos();
updateSelected();
}
void EmojiPanInner::leaveEvent(QEvent *e) {
_lastMousePos = QCursor::pos();
updateSelected();
}
void EmojiPanInner::updateSelected() {
int32 selIndex = -1;
QPoint p(mapFromGlobal(_lastMousePos));
if (p.x() >= 0 && p.y() >= 0 && p.x() < EmojiPadPerRow * st::emojiPanSize.width()) {
selIndex = qFloor(p.y() / st::emojiPanSize.height()) * EmojiPadPerRow + qFloor(p.x() / st::emojiPanSize.width());
if (selIndex >= _emojis.size()) {
selIndex = -1;
}
}
if (selIndex != _selected) {
bool startanim = false;
if (_selected >= 0) {
_emojiAnimations.remove(_selected + 1);
if (_emojiAnimations.find(-_selected - 1) == _emojiAnimations.end()) {
if (_emojiAnimations.isEmpty()) startanim = true;
_emojiAnimations.insert(-_selected - 1, getms());
}
}
_selected = selIndex;
if (_selected >= 0) {
_emojiAnimations.remove(-_selected - 1);
if (_emojiAnimations.find(_selected + 1) == _emojiAnimations.end()) {
if (_emojiAnimations.isEmpty()) startanim = true;
_emojiAnimations.insert(_selected + 1, getms());
}
}
if (startanim) anim::start(this);
setCursor((_selected >= 0) ? style::cur_pointer : style::cur_default);
}
}
bool EmojiPanInner::animStep(float64 ms) {
uint64 now = getms();
for (EmojiAnimations::iterator i = _emojiAnimations.begin(); i != _emojiAnimations.end();) {
float64 dt = float64(now - i.value()) / st::emojiPanDuration;
if (dt >= 1) {
_hovers[qAbs(i.key()) - 1] = (i.key() > 0) ? 1 : 0;
i = _emojiAnimations.erase(i);
} else {
_hovers[qAbs(i.key()) - 1] = (i.key() > 0) ? dt : (1 - dt);
++i;
}
}
update();
return !_emojiAnimations.isEmpty();
}
void EmojiPanInner::showEmojiPack(DBIEmojiTab packIndex) {
_tab = packIndex;
_emojis = emojiPack(packIndex);
_hovers = QVector<float64>(_emojis.size(), 0);
_emojiAnimations.clear();
_selected = _pressedSel = -1;
int32 size = _emojis.size();
int32 h = qMax(((size / EmojiPadPerRow) + ((size % EmojiPadPerRow) ? 1 : 0)) * st::emojiPanSize.height(), EmojiPadRowsPerPage * st::emojiPanSize.height() - int(st::emojiPanSub));
resize(width(), h);
_lastMousePos = QCursor::pos();
updateSelected();
update();
}
EmojiPan::EmojiPan(QWidget *parent) : TWidget(parent),
_hiding(false), a_opacity(0), _shadow(st::dropdownShadow),
_recent (this, qsl("emoji_group"), dbietRecent , QString(), cEmojiTab() == dbietRecent , st::rbEmojiRecent),
_people (this, qsl("emoji_group"), dbietPeople , QString(), cEmojiTab() == dbietPeople , st::rbEmojiPeople),
_nature (this, qsl("emoji_group"), dbietNature , QString(), cEmojiTab() == dbietNature , st::rbEmojiNature),
_objects(this, qsl("emoji_group"), dbietObjects, QString(), cEmojiTab() == dbietObjects, st::rbEmojiObjects),
_places (this, qsl("emoji_group"), dbietPlaces , QString(), cEmojiTab() == dbietPlaces , st::rbEmojiPlaces),
_symbols(this, qsl("emoji_group"), dbietSymbols, QString(), cEmojiTab() == dbietSymbols, st::rbEmojiSymbols),
_scroll(this, st::emojiScroll), _inner() {
setFocusPolicy(Qt::NoFocus);
_scroll.setFocusPolicy(Qt::NoFocus);
_scroll.viewport()->setFocusPolicy(Qt::NoFocus);
_inner.showEmojiPack(cEmojiTab());
_scroll.setGeometry(st::dropdownPadding.left() + st::emojiPanPadding.left(), st::dropdownPadding.top() + _recent.height() + st::emojiPanPadding.top(), st::emojiPanPadding.left() + _inner.width() + st::emojiPanPadding.right(), EmojiPadRowsPerPage * st::emojiPanSize.height() - st::emojiPanSub);
_scroll.setWidget(&_inner);
_width = st::dropdownPadding.left() + st::emojiPanPadding.left() + _scroll.width() + st::emojiPanPadding.right() + st::dropdownPadding.right();
_height = st::dropdownPadding.top() + _recent.height() + st::emojiPanPadding.top() + _scroll.height() + st::emojiPanPadding.bottom() + st::dropdownPadding.bottom();
resize(_width, _height);
int32 left = st::dropdownPadding.left() + (_width - st::dropdownPadding.left() - st::dropdownPadding.right() - 6 * _recent.width()) / 2;
int32 top = st::dropdownPadding.top();
_recent.move(left, top); left += _recent.width();
_people.move(left, top); left += _people.width();
_nature.move(left, top); left += _nature.width();
_objects.move(left, top); left += _objects.width();
_places.move(left, top); left += _places.width();
_symbols.move(left, top); left += _symbols.width();
_hideTimer.setSingleShot(true);
connect(&_hideTimer, SIGNAL(timeout()), this, SLOT(hideStart()));
connect(&_recent , SIGNAL(changed()), this, SLOT(onTabChange()));
connect(&_people , SIGNAL(changed()), this, SLOT(onTabChange()));
connect(&_nature , SIGNAL(changed()), this, SLOT(onTabChange()));
connect(&_objects, SIGNAL(changed()), this, SLOT(onTabChange()));
connect(&_places , SIGNAL(changed()), this, SLOT(onTabChange()));
connect(&_symbols, SIGNAL(changed()), this, SLOT(onTabChange()));
connect(&_scroll, SIGNAL(scrolled()), &_inner, SLOT(updateSelected()));
connect(&_inner, SIGNAL(emojiSelected(EmojiPtr)), this, SIGNAL(emojiSelected(EmojiPtr)));
}
void EmojiPan::paintEvent(QPaintEvent *e) {
QPainter p(this);
if (!_cache.isNull()) {
p.setOpacity(a_opacity.current());
}
QRect r(st::dropdownPadding.left(), st::dropdownPadding.top(), _width - st::dropdownPadding.left() - st::dropdownPadding.right(), _height - st::dropdownPadding.top() - st::dropdownPadding.bottom());
// draw shadow
_shadow.paint(p, r);
if (_cache.isNull()) {
p.fillRect(r, st::white->b);
} else {
p.drawPixmap(r.left(), r.top(), _cache);
}
}
void EmojiPan::enterEvent(QEvent *e) {
_hideTimer.stop();
if (_hiding) showStart();
}
void EmojiPan::leaveEvent(QEvent *e) {
if (animating()) {
hideStart();
} else {
_hideTimer.start(300);
}
}
void EmojiPan::otherEnter() {
_hideTimer.stop();
showStart();
}
void EmojiPan::otherLeave() {
if (animating()) {
hideStart();
} else {
_hideTimer.start(0);
}
}
void EmojiPan::fastHide() {
if (animating()) {
anim::stop(this);
}
a_opacity = anim::fvalue(0, 0);
_hideTimer.stop();
hide();
_cache = QPixmap();
}
bool EmojiPan::animStep(float64 ms) {
float64 dt = ms / 150;
bool res = true;
if (dt >= 1) {
a_opacity.finish();
if (_hiding) {
hideFinish();
} else {
showAll();
_cache = QPixmap();
}
res = false;
} else {
a_opacity.update(dt, anim::linear);
}
update();
return res;
}
void EmojiPan::hideStart() {
if (_cache.isNull()) {
showAll();
_cache = myGrab(this, rect().marginsRemoved(st::dropdownPadding));
}
hideAll();
_hiding = true;
a_opacity.start(0);
anim::start(this);
}
void EmojiPan::hideFinish() {
hide();
_cache = QPixmap();
}
void EmojiPan::showStart() {
if (!isHidden() && a_opacity.current() == 1) {
return;
}
if (_cache.isNull()) {
showAll();
_cache = myGrab(this, rect().marginsRemoved(st::dropdownPadding));
}
hideAll();
_hiding = false;
show();
a_opacity.start(1);
anim::start(this);
}
bool EmojiPan::eventFilter(QObject *obj, QEvent *e) {
if (e->type() == QEvent::Enter) {
otherEnter();
} else if (e->type() == QEvent::Leave) {
otherLeave();
} else if (e->type() == QEvent::MouseButtonPress && static_cast<QMouseEvent*>(e)->button() == Qt::LeftButton) {
if (isHidden() || _hiding) {
otherEnter();
} else {
otherLeave();
}
}
return false;
}
void EmojiPan::showAll() {
_recent.show();
_people.show();
_nature.show();
_objects.show();
_places.show();
_symbols.show();
_scroll.show();
}
void EmojiPan::hideAll() {
_recent.hide();
_people.hide();
_nature.hide();
_objects.hide();
_places.hide();
_symbols.hide();
_scroll.hide();
}
void EmojiPan::onTabChange() {
DBIEmojiTab newTab = dbietRecent;
if (_people.checked()) newTab = dbietPeople;
else if (_nature.checked()) newTab = dbietNature;
else if (_objects.checked()) newTab = dbietObjects;
else if (_places.checked()) newTab = dbietPlaces;
else if (_symbols.checked()) newTab = dbietSymbols;
if (newTab != cEmojiTab()) {
cSetEmojiTab(newTab);
App::writeUserConfig();
_scroll.scrollToY(0);
_inner.showEmojiPack(newTab);
}
}