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/*
* 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 <QPushButton>
#include <QScrollBar>
#include <QVBoxLayout>
#include "DropShadow.h"
#include "FlatButton.h"
#include "emoji/Category.h"
#include "emoji/Panel.h"
using namespace emoji;
Panel::Panel(QWidget *parent)
: QWidget(parent)
, shadowMargin_{2}
, width_{370}
, height_{350}
, categoryIconSize_{20}
{
setStyleSheet("QWidget {border: none;}"
"QScrollBar:vertical { width: 0px; margin: 0px; }"
"QScrollBar::handle:vertical { min-height: 30px; }");
setAttribute(Qt::WA_ShowWithoutActivating, true);
setWindowFlags(Qt::Tool | Qt::FramelessWindowHint | Qt::NoDropShadowWindowHint);
auto mainWidget = new QWidget(this);
mainWidget->setMaximumSize(width_, height_);
auto topLayout = new QVBoxLayout(this);
topLayout->addWidget(mainWidget);
topLayout->setMargin(shadowMargin_);
topLayout->setSpacing(0);
auto contentLayout = new QVBoxLayout(mainWidget);
contentLayout->setMargin(0);
contentLayout->setSpacing(0);
auto emojiCategories = new QFrame(mainWidget);
auto categoriesLayout = new QHBoxLayout(emojiCategories);
categoriesLayout->setSpacing(0);
categoriesLayout->setMargin(0);
QIcon icon;
auto peopleCategory = new FlatButton(emojiCategories);
icon.addFile(":/icons/icons/emoji-categories/people.png");
peopleCategory->setIcon(icon);
peopleCategory->setIconSize(QSize(categoryIconSize_, categoryIconSize_));
auto natureCategory_ = new FlatButton(emojiCategories);
icon.addFile(":/icons/icons/emoji-categories/nature.png");
natureCategory_->setIcon(icon);
natureCategory_->setIconSize(QSize(categoryIconSize_, categoryIconSize_));
auto foodCategory_ = new FlatButton(emojiCategories);
icon.addFile(":/icons/icons/emoji-categories/foods.png");
foodCategory_->setIcon(icon);
foodCategory_->setIconSize(QSize(categoryIconSize_, categoryIconSize_));
auto activityCategory = new FlatButton(emojiCategories);
icon.addFile(":/icons/icons/emoji-categories/activity.png");
activityCategory->setIcon(icon);
activityCategory->setIconSize(QSize(categoryIconSize_, categoryIconSize_));
auto travelCategory = new FlatButton(emojiCategories);
icon.addFile(":/icons/icons/emoji-categories/travel.png");
travelCategory->setIcon(icon);
travelCategory->setIconSize(QSize(categoryIconSize_, categoryIconSize_));
auto objectsCategory = new FlatButton(emojiCategories);
icon.addFile(":/icons/icons/emoji-categories/objects.png");
objectsCategory->setIcon(icon);
objectsCategory->setIconSize(QSize(categoryIconSize_, categoryIconSize_));
auto symbolsCategory = new FlatButton(emojiCategories);
icon.addFile(":/icons/icons/emoji-categories/symbols.png");
symbolsCategory->setIcon(icon);
symbolsCategory->setIconSize(QSize(categoryIconSize_, categoryIconSize_));
auto flagsCategory = new FlatButton(emojiCategories);
icon.addFile(":/icons/icons/emoji-categories/flags.png");
flagsCategory->setIcon(icon);
flagsCategory->setIconSize(QSize(categoryIconSize_, categoryIconSize_));
categoriesLayout->addWidget(peopleCategory);
categoriesLayout->addWidget(natureCategory_);
categoriesLayout->addWidget(foodCategory_);
categoriesLayout->addWidget(activityCategory);
categoriesLayout->addWidget(travelCategory);
categoriesLayout->addWidget(objectsCategory);
categoriesLayout->addWidget(symbolsCategory);
categoriesLayout->addWidget(flagsCategory);
scrollArea_ = new QScrollArea(this);
scrollArea_->setWidgetResizable(true);
scrollArea_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
auto scrollWidget = new QWidget(this);
auto scrollLayout = new QVBoxLayout(scrollWidget);
scrollLayout->setMargin(0);
scrollLayout->setSpacing(0);
scrollArea_->setWidget(scrollWidget);
auto peopleEmoji =
new Category(tr("Smileys & People"), emoji_provider_.people, scrollWidget);
scrollLayout->addWidget(peopleEmoji);
auto natureEmoji =
new Category(tr("Animals & Nature"), emoji_provider_.nature, scrollWidget);
scrollLayout->addWidget(natureEmoji);
auto foodEmoji = new Category(tr("Food & Drink"), emoji_provider_.food, scrollWidget);
scrollLayout->addWidget(foodEmoji);
auto activityEmoji = new Category(tr("Activity"), emoji_provider_.activity, scrollWidget);
scrollLayout->addWidget(activityEmoji);
auto travelEmoji =
new Category(tr("Travel & Places"), emoji_provider_.travel, scrollWidget);
scrollLayout->addWidget(travelEmoji);
auto objectsEmoji = new Category(tr("Objects"), emoji_provider_.objects, scrollWidget);
scrollLayout->addWidget(objectsEmoji);
auto symbolsEmoji = new Category(tr("Symbols"), emoji_provider_.symbols, scrollWidget);
scrollLayout->addWidget(symbolsEmoji);
auto flagsEmoji = new Category(tr("Flags"), emoji_provider_.flags, scrollWidget);
scrollLayout->addWidget(flagsEmoji);
contentLayout->addWidget(scrollArea_);
contentLayout->addWidget(emojiCategories);
connect(peopleEmoji, &Category::emojiSelected, this, &Panel::emojiSelected);
connect(peopleCategory, &QPushButton::clicked, [this, peopleEmoji]() {
this->showCategory(peopleEmoji);
});
connect(natureEmoji, &Category::emojiSelected, this, &Panel::emojiSelected);
connect(natureCategory_, &QPushButton::clicked, [this, natureEmoji]() {
this->showCategory(natureEmoji);
});
connect(foodEmoji, &Category::emojiSelected, this, &Panel::emojiSelected);
connect(foodCategory_, &QPushButton::clicked, [this, foodEmoji]() {
this->showCategory(foodEmoji);
});
connect(activityEmoji, &Category::emojiSelected, this, &Panel::emojiSelected);
connect(activityCategory, &QPushButton::clicked, [this, activityEmoji]() {
this->showCategory(activityEmoji);
});
connect(travelEmoji, &Category::emojiSelected, this, &Panel::emojiSelected);
connect(travelCategory, &QPushButton::clicked, [this, travelEmoji]() {
this->showCategory(travelEmoji);
});
connect(objectsEmoji, &Category::emojiSelected, this, &Panel::emojiSelected);
connect(objectsCategory, &QPushButton::clicked, [this, objectsEmoji]() {
this->showCategory(objectsEmoji);
});
connect(symbolsEmoji, &Category::emojiSelected, this, &Panel::emojiSelected);
connect(symbolsCategory, &QPushButton::clicked, [this, symbolsEmoji]() {
this->showCategory(symbolsEmoji);
});
connect(flagsEmoji, &Category::emojiSelected, this, &Panel::emojiSelected);
connect(flagsCategory, &QPushButton::clicked, [this, flagsEmoji]() {
this->showCategory(flagsEmoji);
});
}
void
Panel::showCategory(const Category *category)
{
auto posToGo = category->mapToParent(QPoint()).y();
auto current = scrollArea_->verticalScrollBar()->value();
if (current == posToGo)
return;
// HACK
// If we want to go to a previous category and position the label at the top
// the 6*50 offset won't work because not all the categories have the same
// height. To ensure the category is at the top, we move to the top and go as
// normal to the next category.
if (current > posToGo)
this->scrollArea_->ensureVisible(0, 0, 0, 0);
posToGo += 6 * 50;
this->scrollArea_->ensureVisible(0, posToGo, 0, 0);
}
void
Panel::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event);
QStyleOption opt;
opt.init(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
DropShadow::draw(p,
shadowMargin_,
4.0,
QColor(120, 120, 120, 92),
QColor(255, 255, 255, 0),
0.0,
1.0,
0.6,
width(),
height());
}
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