Differential D24454 Diff 67716 applets/kimpanel/backend/ibus/emojier/emojier.cpp

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applets/kimpanel/backend/ibus/emojier/emojier.cpp

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1​/*
2​ * Copyright (C) 2019 Aleix Pol Gonzalez <aleixpol@kde.org>
3​ *
4​ * This program is free software; you can redistribute it and/or
5​ * modify it under the terms of the GNU General Public License as
6​ * published by the Free Software Foundation; either version 2 of
7​ * the License or (at your option) version 3 or any later version
8​ * accepted by the membership of KDE e.V. (or its successor approved
9​ * by the membership of KDE e.V.), which shall act as a proxy
10​ * defined in Section 14 of version 3 of the license.
11​ *
12​ * This program is distributed in the hope that it will be useful,
13​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
14​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15​ * GNU General Public License for more details.
16​ *
17​ * You should have received a copy of the GNU General Public License
18​ * along with this program. If not, see <http://www.gnu.org/licenses/>.
19​ */
20​
21​#include <QApplication>
22​#include <QLocale>
23​#include <QByteArray>
24​#include <QStandardPaths>
25​#include <QAbstractListModel>
26​#include <QVector>
27​#include <QQmlApplicationEngine>
28​#include <QSortFilterProxyModel>
29​#include <QQuickImageProvider>
30​#include <QFontMetrics>
31​#include <QPainter>
32​#include <QClipboard>
33​#include <QDebug>
34​
35​#include "emojiersettings.h"
36​
37​#undef signals
38​#include <ibus.h>
39​
40​struct Emoji {
41​ QString content;
42​ QString description;
43​ QString category;
44​};
45​
46​class TextImageProvider : public QQuickImageProvider
47​{
48​public:
49​ TextImageProvider()
50​ : QQuickImageProvider(QQuickImageProvider::Pixmap)
51​ {
52​ }
53​
54​ QPixmap requestPixmap(const QString &id, QSize *_size, const QSize &requestedSize) override
55​ {
56​ QPixmap dummy;
57​
58​ const QString renderString = id.mid(1); //drop initial /
59​
60​ QSize size = requestedSize;
61​ QFont font;
62​ if (!size.isValid()) {
63​ QFontMetrics fm(font, &dummy);
64​ size = { fm.horizontalAdvance(renderString), fm.height() };
65​ } else {
66​ font.setPointSize((requestedSize.height() * 3) / 4);
davidedmundsonUnsubmitted
Done

leak of list?

davidedmundson: leak of list?
67​ }
68​ if (_size) {
69​ *_size = size;
70​ }
71​
72​ QPixmap pixmap(size.width(), size.height());
73​ pixmap.fill(Qt::transparent);
74​ QPainter p;
75​ p.begin(&pixmap);
76​ p.setFont(font);
77​ p.drawText(QRect(0, 0, size.width(), size.height()), Qt::AlignCenter, renderString);
78​ p.end();
79​ return pixmap;
80​ }
81​};
davidedmundsonUnsubmitted
Done

there's a method in QAIM now called checkIndex() which can handle all this for you magically.

davidedmundson: there's a method in QAIM now called checkIndex() which can handle all this for you magically.
82​
83​class AbstractEmojiModel : public QAbstractListModel
84​{
85​ Q_OBJECT
86​public:
87​ enum EmojiRole { CategoryRole = Qt::UserRole + 1 };
88​
89​ int rowCount(const QModelIndex & parent = {}) const override { return parent.isValid() ? 0 : m_emoji.count(); }
90​ QVariant data(const QModelIndex & index, int role) const override {
91​ if (!checkIndex(index, QAbstractItemModel::CheckIndexOption::IndexIsValid | QAbstractItemModel::CheckIndexOption::ParentIsInvalid | QAbstractItemModel::CheckIndexOption::DoNotUseParent) || index.column() != 0)
92​ return {};
93​
94​ const auto &emoji = m_emoji[index.row()];
95​ switch(role) {
96​ case Qt::DisplayRole:
97​ return emoji.content;
98​ case Qt::ToolTipRole:
99​ return emoji.description;
100​ case CategoryRole:
101​ return emoji.category;
102​ }
103​ return {};
104​ }
105​
106​protected:
107​ QVector<Emoji> m_emoji;
108​};
109​
110​class EmojiModel : public AbstractEmojiModel
111​{
112​ Q_OBJECT
113​ Q_PROPERTY(QStringList categories MEMBER m_categories CONSTANT)
114​public:
115​ enum EmojiRole { CategoryRole = Qt::UserRole + 1 };
116​
117​ EmojiModel() {
118​ QLocale locale;
119​ const QString dictName = "ibus/dicts/emoji-" + locale.bcp47Name() + ".dict";
120​ const QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, dictName);
121​ if (path.isEmpty()) {
122​ qWarning() << "could not find" << dictName;
123​ return;
124​ }
125​
126​ GSList *list = ibus_emoji_data_load (path.toUtf8().constData());
127​ m_emoji.reserve(g_slist_length(list));
128​ QSet<QString> categories;
129​ for (GSList *l = list; l; l = l->next) {
130​ IBusEmojiData *data = (IBusEmojiData *) l->data;
131​ if (!IBUS_IS_EMOJI_DATA (data)) {
132​ qWarning() << "Your dict format is no longer supported.\n"
133​ "Need to create the dictionaries again.";
134​ g_slist_free (list);
135​ return;
136​ }
137​
138​ const QString category = QString::fromUtf8(ibus_emoji_data_get_category(data));
139​ categories.insert(category);
140​ m_emoji += { QString::fromUtf8(ibus_emoji_data_get_emoji(data)), ibus_emoji_data_get_description(data), category };
141​ }
142​ categories.remove({});
143​ m_categories = categories.toList();
144​ m_categories.sort();
145​ m_categories.prepend({});
146​ m_categories.prepend(QStringLiteral(":recent:"));
147​ g_slist_free (list);
148​ }
149​
150​ Q_SCRIPTABLE QString findFirstEmojiForCategory(const QString &category) {
151​ for (const Emoji &emoji : m_emoji) {
152​ if (emoji.category == category)
153​ return emoji.content;
154​ }
155​ return {};
156​ }
157​
158​private:
159​ QStringList m_categories;
160​};
161​
162​class RecentEmojiModel : public AbstractEmojiModel
163​{
164​ Q_OBJECT
165​ Q_PROPERTY(int count READ rowCount CONSTANT)
166​public:
167​ RecentEmojiModel()
168​ : m_settings(new EmojierSettings)
169​ {
170​ auto recent = m_settings->recent();
171​ auto recentDescriptions = m_settings->recentDescriptions();
172​
173​ int i = 0;
174​ for (QString c : recent) {
175​ m_emoji += { QString(c), recentDescriptions.at(i++), QString{} };
176​ }
177​ }
178​
179​ Q_SCRIPTABLE void includeRecent(const QString &emoji, const QString &emojiDescription) {
180​ QStringList recent = m_settings->recent();
181​ recent.prepend(emoji);
182​ recent = recent.mid(0, 50);
183​ m_settings->setRecent(recent);
184​
185​ QStringList recentDescriptions = m_settings->recentDescriptions();
186​ recentDescriptions.prepend(emojiDescription);
187​ recentDescriptions = recentDescriptions.mid(0, 50);
188​ m_settings->setRecentDescriptions(recentDescriptions);
189​
190​ m_settings->save();
191​ }
192​
193​private:
194​ QScopedPointer<EmojierSettings> m_settings;
195​};
196​
197​class CategoryModelFilter : public QSortFilterProxyModel
198​{
199​ Q_OBJECT
200​ Q_PROPERTY(QString category READ category WRITE setCategory)
201​public:
202​ QString category() const { return m_category; }
203​ void setCategory(const QString &category) {
204​ if (m_category != category) {
205​ m_category = category;
206​ invalidateFilter();
207​ }
208​ }
209​
210​ bool filterAcceptsRow(int source_row, const QModelIndex & source_parent) const override {
211​ return m_category.isEmpty() || sourceModel()->index(source_row, 0, source_parent).data(EmojiModel::CategoryRole).toString() == m_category;
212​ }
213​
214​private:
215​ QString m_category;
216​};
217​
218​class SearchModelFilter : public QSortFilterProxyModel
219​{
220​ Q_OBJECT
221​ Q_PROPERTY(QString search READ search WRITE setSearch)
222​public:
223​ QString search() const { return m_search; }
224​ void setSearch(const QString &search) {
225​ if (m_search != search) {
226​ m_search = search;
227​ invalidateFilter();
228​ }
229​ }
230​
231​ bool filterAcceptsRow(int source_row, const QModelIndex & source_parent) const override {
232​ return sourceModel()->index(source_row, 0, source_parent).data(Qt::ToolTipRole).toString().contains(m_search, Qt::CaseInsensitive);
233​ }
234​
235​private:
236​ QString m_search;
237​};
238​
239​class CopyHelperPrivate : public QObject
240​{
241​ Q_OBJECT
242​ public:
243​ Q_INVOKABLE static void copyTextToClipboard(const QString& text)
244​ {
245​ qGuiApp->clipboard()->setText(text);
246​ }
247​};
248​
249​int main(int argc, char** argv)
250​{
251​ QApplication app(argc, argv);
252​ EmojiModel m;
253​
254​ qmlRegisterType<EmojiModel>("org.kde.plasma.emoji", 1, 0, "EmojiModel");
255​ qmlRegisterType<CategoryModelFilter>("org.kde.plasma.emoji", 1, 0, "CategoryModelFilter");
256​ qmlRegisterType<SearchModelFilter>("org.kde.plasma.emoji", 1, 0, "SearchModelFilter");
257​ qmlRegisterType<EmojierSettings>("org.kde.plasma.emoji", 1, 0, "EmojierSettings");
258​ qmlRegisterType<RecentEmojiModel>("org.kde.plasma.emoji", 1, 0, "RecentEmojiModel");
259​ qmlRegisterSingletonType<CopyHelperPrivate>("org.kde.plasma.emoji", 1, 0, "CopyHelper", [] (QQmlEngine*, QJSEngine*) -> QObject* { return new CopyHelperPrivate; });
260​
261​ QQmlApplicationEngine engine(QUrl(QStringLiteral("qrc:/ui/emojier.qml")));
262​ engine.addImageProvider(QLatin1String("text"), new TextImageProvider);
263​
264​ return app.exec();
265​}
266​
267​#include "emojier.moc"