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-rw-r--r--src/emoji/PickButton.cpp82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/emoji/PickButton.cpp b/src/emoji/PickButton.cpp
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index 00000000..608b4fa2 --- /dev/null +++ b/src/emoji/PickButton.cpp
@@ -0,0 +1,82 @@ +/* + * nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr> + * + * This program 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. + * + * This program 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <QDebug> + +#include "emoji/Panel.h" +#include "emoji/PickButton.h" + +using namespace emoji; + +// Number of milliseconds after which the panel will be hidden +// if the mouse cursor is not on top of the widget. +constexpr int HIDE_TIMEOUT = 300; + +PickButton::PickButton(QWidget *parent) + : FlatButton(parent) + , panel_{nullptr} +{ + connect(&hideTimer_, &QTimer::timeout, this, &PickButton::hidePanel); + connect(this, &QPushButton::clicked, this, [this]() { + if (panel_ && panel_->isVisible()) { + hidePanel(); + return; + } + + showPanel(); + }); +} + +void +PickButton::hidePanel() +{ + if (panel_ && !panel_->underMouse()) { + hideTimer_.stop(); + panel_->hide(); + } +} + +void +PickButton::showPanel() +{ + if (panel_.isNull()) { + panel_ = QSharedPointer<Panel>(new Panel(this)); + connect(panel_.data(), &Panel::emojiSelected, this, &PickButton::emojiSelected); + connect(panel_.data(), &Panel::leaving, this, [this]() { panel_->hide(); }); + } + + if (panel_->isVisible()) + return; + + QPoint pos(rect().x(), rect().y()); + pos = this->mapToGlobal(pos); + + auto panel_size = panel_->sizeHint(); + + auto x = pos.x() - panel_size.width() + horizontal_distance_; + auto y = pos.y() - panel_size.height() - vertical_distance_; + + panel_->move(x, y); + panel_->show(); +} + +void +PickButton::leaveEvent(QEvent *e) +{ + hideTimer_.start(HIDE_TIMEOUT); + FlatButton::leaveEvent(e); +}