tdesktop/Telegram/SourceFiles/window/top_bar_widget.cpp

305 lines
8.2 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram 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.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "window/top_bar_widget.h"
#include "boxes/addcontactbox.h"
#include "boxes/confirmbox.h"
#include "mainwidget.h"
#include "shortcuts.h"
#include "lang.h"
#include "ui/buttons/peer_avatar_button.h"
#include "ui/buttons/round_button.h"
#include "ui/flatbutton.h"
namespace Window {
TopBarWidget::TopBarWidget(MainWidget *w) : TWidget(w)
, _a_appearance(animation(this, &TopBarWidget::step_appearance))
, _clearSelection(this, lang(lng_selected_clear), st::topBarClearButton)
, _forward(this, lang(lng_selected_forward), st::defaultActiveButton)
, _delete(this, lang(lng_selected_delete), st::defaultActiveButton)
, _info(this, nullptr, st::infoButton)
, _mediaType(this, lang(lng_media_type), st::topBarButton)
, _search(this, st::topBarSearch) {
_clearSelection->setTextTransform(Ui::RoundButton::TextTransform::ToUpper);
_forward->setTextTransform(Ui::RoundButton::TextTransform::ToUpper);
_delete->setTextTransform(Ui::RoundButton::TextTransform::ToUpper);
connect(_forward, SIGNAL(clicked()), this, SLOT(onForwardSelection()));
connect(_delete, SIGNAL(clicked()), this, SLOT(onDeleteSelection()));
connect(_clearSelection, SIGNAL(clicked()), this, SLOT(onClearSelection()));
connect(_info, SIGNAL(clicked()), this, SLOT(onInfoClicked()));
connect(_search, SIGNAL(clicked()), this, SLOT(onSearch()));
subscribe(Adaptive::Changed(), [this]() { updateAdaptiveLayout(); });
setCursor(style::cur_pointer);
showAll();
}
void TopBarWidget::onForwardSelection() {
if (App::main()) App::main()->forwardSelectedItems();
}
void TopBarWidget::onDeleteSelection() {
if (App::main()) App::main()->deleteSelectedItems();
}
void TopBarWidget::onClearSelection() {
if (App::main()) App::main()->clearSelectedItems();
}
void TopBarWidget::onInfoClicked() {
PeerData *p = App::main() ? App::main()->historyPeer() : 0;
if (p) Ui::showPeerProfile(p);
}
void TopBarWidget::onSearch() {
if (auto main = App::main()) {
if (auto peer = main->peer()) {
main->searchInPeer(peer);
}
}
}
void TopBarWidget::enterEvent(QEvent *e) {
a_over.start(1);
_a_appearance.start();
}
void TopBarWidget::enterFromChildEvent(QEvent *e, QWidget *child) {
if (child != _membersShowArea) {
a_over.start(1);
_a_appearance.start();
}
}
void TopBarWidget::leaveEvent(QEvent *e) {
a_over.start(0);
_a_appearance.start();
}
void TopBarWidget::leaveToChildEvent(QEvent *e, QWidget *child) {
if (child != _membersShowArea) {
a_over.start(0);
_a_appearance.start();
}
}
void TopBarWidget::step_appearance(float64 ms, bool timer) {
float64 dt = ms / st::topBarDuration;
if (dt >= 1) {
_a_appearance.stop();
a_over.finish();
} else {
a_over.update(dt, anim::linear);
}
if (timer) update();
}
bool TopBarWidget::eventFilter(QObject *obj, QEvent *e) {
if (obj == _membersShowArea) {
switch (e->type()) {
case QEvent::MouseButtonPress:
mousePressEvent(static_cast<QMouseEvent*>(e));
return true;
case QEvent::Enter:
main()->setMembersShowAreaActive(true);
break;
case QEvent::Leave:
main()->setMembersShowAreaActive(false);
break;
}
}
return TWidget::eventFilter(obj, e);
}
void TopBarWidget::paintEvent(QPaintEvent *e) {
Painter p(this);
p.fillRect(QRect(0, 0, width(), st::topBarHeight), st::topBarBG->b);
if (_clearSelection->isHidden()) {
p.save();
int decreaseWidth = 0;
if (!_info->isHidden()) {
decreaseWidth += _info->width();
decreaseWidth -= st::topBarForwardPadding.right();
}
if (!_search->isHidden()) {
decreaseWidth += _search->width();
}
main()->paintTopBar(p, a_over.current(), decreaseWidth);
p.restore();
}
}
void TopBarWidget::mousePressEvent(QMouseEvent *e) {
if (e->button() == Qt::LeftButton && e->pos().y() < st::topBarHeight && !_selCount) {
emit clicked();
}
}
void TopBarWidget::resizeEvent(QResizeEvent *e) {
int r = width();
int buttonsLeft = st::topBarActionSkip + (Adaptive::OneColumn() ? 0 : st::lineWidth);
int buttonsWidth = _forward->contentWidth() + _delete->contentWidth() + _clearSelection->width();
buttonsWidth += buttonsLeft + st::topBarActionSkip * 3;
int widthLeft = qMin(r - buttonsWidth, -2 * st::defaultActiveButton.width);
_forward->setFullWidth(-(widthLeft / 2));
_delete->setFullWidth(-(widthLeft / 2));
int buttonsTop = (height() - _forward->height()) / 2;
_forward->moveToLeft(buttonsLeft, buttonsTop);
buttonsLeft += _forward->width() + st::topBarActionSkip;
_delete->moveToLeft(buttonsLeft, buttonsTop);
_clearSelection->moveToRight(st::topBarActionSkip, buttonsTop);
if (!_info->isHidden()) _info->move(r -= _info->width(), 0);
if (!_mediaType->isHidden()) _mediaType->move(r -= _mediaType->width(), 0);
_search->move(width() - (_info->isHidden() ? st::topBarForwardPadding.right() : _info->width()) - _search->width(), 0);
}
void TopBarWidget::startAnim() {
_info->hide();
_clearSelection->hide();
_delete->hide();
_forward->hide();
_mediaType->hide();
_search->hide();
if (_membersShowArea) {
_membersShowArea->hide();
}
_animating = true;
}
void TopBarWidget::stopAnim() {
_animating = false;
updateMembersShowArea();
showAll();
}
void TopBarWidget::showAll() {
if (_animating) {
resizeEvent(nullptr);
return;
}
PeerData *h = App::main() ? App::main()->historyPeer() : 0, *o = App::main() ? App::main()->overviewPeer() : 0;
if (_selCount) {
_clearSelection->show();
if (_canDelete) {
_delete->show();
} else {
_delete->hide();
}
_forward->show();
_mediaType->hide();
} else {
_clearSelection->hide();
_delete->hide();
_forward->hide();
if (App::main() && App::main()->mediaTypeSwitch()) {
_mediaType->show();
} else {
_mediaType->hide();
}
}
if (h && !o && _clearSelection->isHidden()) {
if (Adaptive::OneColumn() || !App::main()->stackIsEmpty()) {
_info->setPeer(h);
_info->show();
} else {
_info->hide();
}
_search->show();
} else {
_search->hide();
_info->hide();
}
if (_membersShowArea) {
_membersShowArea->show();
}
resizeEvent(nullptr);
}
void TopBarWidget::updateMembersShowArea() {
auto membersShowAreaNeeded = [this]() {
if (_selCount || App::main()->overviewPeer() || !_selPeer) {
return false;
}
if (auto chat = _selPeer->asChat()) {
return chat->amIn();
}
if (auto megagroup = _selPeer->asMegagroup()) {
return megagroup->canViewMembers() && (megagroup->membersCount() < Global::ChatSizeMax());
}
return false;
};
if (!membersShowAreaNeeded()) {
if (_membersShowArea) {
main()->setMembersShowAreaActive(false);
_membersShowArea.destroy();
}
return;
} else if (!_membersShowArea) {
_membersShowArea = new TWidget(this);
_membersShowArea->show();
_membersShowArea->installEventFilter(this);
}
_membersShowArea->setGeometry(App::main()->getMembersShowAreaGeometry());
}
void TopBarWidget::showSelected(uint32 selCount, bool canDelete) {
_selPeer = App::main()->overviewPeer() ? App::main()->overviewPeer() : App::main()->peer();
_selCount = selCount;
if (_selCount > 0) {
_canDelete = canDelete;
_forward->setSecondaryText(QString::number(_selCount));
_delete->setSecondaryText(QString::number(_selCount));
}
setCursor(_selCount ? style::cur_default : style::cur_pointer);
updateMembersShowArea();
showAll();
}
void TopBarWidget::updateAdaptiveLayout() {
updateMembersShowArea();
showAll();
}
Ui::RoundButton *TopBarWidget::mediaTypeButton() {
return _mediaType;
}
MainWidget *TopBarWidget::main() {
return static_cast<MainWidget*>(parentWidget());
}
} // namespace Window