Merge pull request #175 from krepa098/smileys

Smileys

smileypack.cpp

@@ -34,11 +34,36 @@ SmileyPack& SmileyPack::getInstance()
     return smileyPack;
 }
 
+QList<QPair<QString, QString> > SmileyPack::listSmileyPacks(const QString &path)
+{
+    QList<QPair<QString, QString> > smileyPacks;
+
+    QDir dir(path);
+    foreach (const QString& subdirectory, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot))
+    {
+        dir.cd(subdirectory);
+
+        QFileInfoList entries = dir.entryInfoList(QStringList() << "emoticons.xml", QDir::Files);
+        if (entries.size() > 0) // does it contain a file called emoticons.xml?
+        {
+            QString packageName = dir.dirName();
+            QString relPath = QDir(QCoreApplication::applicationDirPath()).relativeFilePath(entries[0].absoluteFilePath());
+            smileyPacks << QPair<QString, QString>(packageName, relPath);
+        }
+
+        dir.cdUp();
+    }
+
+    return smileyPacks;
+}
+
 bool SmileyPack::load(const QString& filename)
 {
     // discard old data
-    assignmentTable.clear();
+    filenameTable.clear();
-    cache.clear();
+    imgCache.clear();
+    emoticons.clear();
+    path.clear();
 
     // open emoticons.xml
     QFile xmlFile(filename);
@@ -60,6 +85,8 @@ bool SmileyPack::load(const QString& filename)
      * </messaging-emoticon-map>
      */
 
+    path = QFileInfo(filename).absolutePath();
+
     QDomDocument doc;
     doc.setContent(xmlFile.readAll());
 
@@ -69,42 +96,39 @@ bool SmileyPack::load(const QString& filename)
         QString file = emoticonElements.at(i).attributes().namedItem("file").nodeValue();
         QDomElement stringElement = emoticonElements.at(i).firstChildElement("string");
 
+        QStringList emoticonSet; // { ":)", ":-)" } etc.
+
         while (!stringElement.isNull())
         {
-            QString rune = stringElement.text();
+            QString emoticon = stringElement.text();
-            assignmentTable.insert(rune, file);
+            filenameTable.insert(emoticon, file);
+            emoticonSet.push_back(emoticon);
+            cacheSmiley(file); // preload all smileys
 
             stringElement = stringElement.nextSibling().toElement();
         }
+        emoticons.push_back(emoticonSet);
     }
 
-    path = QFileInfo(filename).absolutePath();
-
     // success!
     return true;
 }
 
-QString SmileyPack::replaceEmoticons(QString msg)
+QString SmileyPack::smileyfied(QString msg)
 {
     QRegExp exp("\\S+"); // matches words
 
     int index = msg.indexOf(exp);
-    int offset = 0;
 
     // if a word is key of a smiley, replace it by its corresponding image in Rich Text
     while (index >= 0)
     {
         QString key = exp.cap();
-        if (assignmentTable.contains(key))
+        if (filenameTable.contains(key))
         {
-            QString file = assignmentTable[key];
+            QString imgRichText = getAsRichText(key);
-            if (!cache.contains(file)) {
-                loadSmiley(file);
-            }
 
-            QString imgRichText = "<img src=\"data:image/png;base64," % cache[file] % "\">";
+            msg.replace(index, key.length(), imgRichText);
-
-            msg.replace(index + offset, key.length(), imgRichText);
             index += imgRichText.length() - key.length();
         }
         index = msg.indexOf(exp, index + key.length());
@@ -113,7 +137,25 @@ QString SmileyPack::replaceEmoticons(QString msg)
     return msg;
 }
 
-void SmileyPack::loadSmiley(const QString &name)
+QList<QStringList> SmileyPack::getEmoticons() const
+{
+    return emoticons;
+}
+
+QString SmileyPack::getAsRichText(const QString &key)
+{
+    return "<img src=\"data:image/png;base64," % QString(getCachedSmiley(key).toBase64()) % "\">";
+}
+
+QIcon SmileyPack::getAsIcon(const QString &key)
+{
+    QPixmap pm;
+    pm.loadFromData(getCachedSmiley(key), "PNG");
+
+    return QIcon(pm);
+}
+
+void SmileyPack::cacheSmiley(const QString &name)
 {
     QSize size(16, 16); // TODO: adapt to text size
     QString filename = path % '/' % name;
@@ -127,10 +169,25 @@ void SmileyPack::loadSmiley(const QString &name)
         QBuffer buffer(&scaledImgData);
         scaledImg.save(&buffer, "PNG");
 
-        cache.insert(name, scaledImgData.toBase64());
+        imgCache.insert(name, scaledImgData);
     }
 }
 
+QByteArray SmileyPack::getCachedSmiley(const QString &key)
+{
+    // valid key?
+    if (!filenameTable.contains(key))
+        return QByteArray();
+
+    // cache it if needed
+    QString file = filenameTable.value(key);
+    if (!imgCache.contains(file)) {
+        cacheSmiley(file);
+    }
+
+    return imgCache.value(file);
+}
+
 void SmileyPack::onSmileyPackChanged()
 {
     load(Settings::getInstance().getSmileyPack());

smileypack.h

@@ -18,8 +18,9 @@
 #define SMILEYPACK_H
 
 #include <QHash>
-#include <QString>
 #include <QObject>
+#include <QString>
+#include <QStringList>
 
 //maps emoticons to smileys
 class SmileyPack : public QObject
@@ -27,9 +28,13 @@ class SmileyPack : public QObject
     Q_OBJECT
 public:
     static SmileyPack& getInstance();
+    static QList<QPair<QString, QString>> listSmileyPacks(const QString& path);
 
     bool load(const QString &filename);
-    QString replaceEmoticons(QString msg);
+    QString smileyfied(QString msg);
+    QList<QStringList> getEmoticons() const;
+    QString getAsRichText(const QString& key);
+    QIcon getAsIcon(const QString& key);
 
 private slots:
     void onSmileyPackChanged();
@@ -39,11 +44,13 @@ private:
     SmileyPack(SmileyPack&) = delete;
     SmileyPack& operator=(const SmileyPack&) = delete;
 
-    void loadSmiley(const QString& name);
+    void cacheSmiley(const QString& name);
+    QByteArray getCachedSmiley(const QString& key);
 
-    QHash<QString, QString> assignmentTable; // matches an emoticon to its corresponding smiley
+    QHash<QString, QString> filenameTable; // matches an emoticon to its corresponding smiley ie. ":)" -> "happy.png"
-    QHash<QString, QString> cache; // base64 representation of a smiley
+    QHash<QString, QByteArray> imgCache; // (scaled) representation of a smiley ie. "happy.png" -> data
-    QString path; // directory containing the cfg file
+    QList<QStringList> emoticons; // {{ ":)", ":-)" }, {":(", ...}, ... }
+    QString path; // directory containing the cfg and image files
 };
 
 #endif // SMILEYPACK_H

widget/form/chatform.cpp

@@ -25,6 +25,8 @@
 #include <QScrollBar>
 #include <QFileDialog>
 #include <QMenu>
+#include <QWidgetAction>
+#include <QGridLayout>
 
 ChatForm::ChatForm(Friend* chatFriend)
     : f(chatFriend), curRow{0}, lockSliderToBottom{true}
@@ -188,6 +190,7 @@ ChatForm::ChatForm(Friend* chatFriend)
     connect(msgEdit, SIGNAL(enterPressed()), this, SLOT(onSendTriggered()));
     connect(chatArea->verticalScrollBar(), SIGNAL(rangeChanged(int,int)), this, SLOT(onSliderRangeChanged()));
     connect(chatArea, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(onChatContextMenuRequested(QPoint)));
+    connect(emoteButton, SIGNAL(clicked()), this, SLOT(onEmoteButtonClicked()));
 }
 
 ChatForm::~ChatForm()
@@ -239,7 +242,7 @@ void ChatForm::addFriendMessage(QString message)
 
 void ChatForm::addMessage(QString author, QString message, QString date)
 {
-    message = SmileyPack::getInstance().replaceEmoticons(message);
+    message = SmileyPack::getInstance().smileyfied(message);
     addMessage(new QLabel(author), new QLabel(message), new QLabel(date));
 }
 
@@ -652,3 +655,53 @@ void ChatForm::onSaveLogClicked()
     file.write(log.toUtf8());
     file.close();
 }
+
+void ChatForm::onEmoteButtonClicked()
+{
+    QList<QStringList> emoticons = SmileyPack::getInstance().getEmoticons();
+
+    QMenu menu;
+    QGridLayout* gridLayout = new QGridLayout;
+    menu.setLayout(gridLayout);
+
+    int colCount = sqrt(emoticons.size()) + 1;
+    int row = 0;
+    int col = 0;
+    for (const QStringList& set : emoticons)
+    {
+        QPushButton* button = new QPushButton;
+        button->setIcon(SmileyPack::getInstance().getAsIcon(set[0]));
+        button->setToolTip(set.join(" "));
+        button->setProperty("sequence", set[0]);
+        connect(button, &QPushButton::clicked, this, &ChatForm::onAddEmote);
+
+        gridLayout->addWidget(button, row, ++col);
+        if (col >= colCount)
+        {
+            col = 0;
+            row++;
+        }
+    }
+
+    QWidget* sender = qobject_cast<QWidget*>(QObject::sender());
+    if (sender)
+    {
+        QPoint pos(gridLayout->totalSizeHint().width() / 2, gridLayout->totalSizeHint().height());
+        menu.exec(sender->mapToGlobal(-pos));
+    }
+}
+
+void ChatForm::onAddEmote()
+{
+    // hide the QMenu
+    QMenu* menu = qobject_cast<QMenu*>(QObject::sender()->parent());
+    if (menu)
+        menu->hide();
+
+    // insert the emoticon
+    QWidget* sender = qobject_cast<QWidget*>(QObject::sender());
+    if (sender)
+        msgEdit->insertPlainText(' ' + sender->property("sequence").toString() + ' ');
+
+    msgEdit->setFocus(); // refocus so that you can continue typing
+}

widget/form/chatform.h

@@ -83,6 +83,8 @@ private slots:
     void onCancelCallTriggered();
     void onChatContextMenuRequested(QPoint pos);
     void onSaveLogClicked();
+    void onEmoteButtonClicked();
+    void onAddEmote();
 
 private:
     Friend* f;

widget/form/settingsform.cpp

@@ -17,6 +17,7 @@
 #include "settingsform.h"
 #include "widget/widget.h"
 #include "settings.h"
+#include "smileypack.h"
 #include <QFont>
 #include <QClipboard>
 #include <QApplication>
@@ -53,7 +54,9 @@ SettingsForm::SettingsForm()
     makeToxPortable.setToolTip(tr("Save settings to the working directory instead of the usual conf dir","describes makeToxPortable checkbox"));
 
     smileyPackLabel.setText(tr("Smiley Pack", "Text on smiley pack label"));
-    smileyPackFilename.setText(Settings::getInstance().getSmileyPack());
+    for (auto entry : SmileyPack::listSmileyPacks("./smileys"))
+        smileyPackBrowser.addItem(entry.first, entry.second);
+    smileyPackBrowser.setCurrentIndex(smileyPackBrowser.findData(Settings::getInstance().getSmileyPack()));
 
     main->setLayout(&layout);
     layout.addWidget(&nameLabel);
@@ -67,8 +70,7 @@ SettingsForm::SettingsForm()
     layout.addWidget(&useTranslations);
     layout.addWidget(&makeToxPortable);
     layout.addWidget(&smileyPackLabel);
-    layout.addWidget(&smileyPackFilename);
+    layout.addWidget(&smileyPackBrowser);
-    layout.addWidget(&smileyBrowseFileButton);
     layout.addStretch();
 
     head->setLayout(&headLayout);
@@ -79,7 +81,7 @@ SettingsForm::SettingsForm()
     connect(&useTranslations, SIGNAL(stateChanged(int)), this, SLOT(onUseTranslationUpdated()));
     connect(&makeToxPortable, SIGNAL(stateChanged(int)), this, SLOT(onMakeToxPortableUpdated()));
     connect(&idLabel, SIGNAL(clicked()), this, SLOT(copyIdClicked()));
-    connect(&smileyBrowseFileButton, SIGNAL(clicked()), this, SLOT(onBrowseSmileyFilename()));
+    connect(&smileyPackBrowser, SIGNAL(currentIndexChanged(int)), this, SLOT(onSmileyBrowserIndexChanged(int)));
 }
 
 SettingsForm::~SettingsForm()
@@ -127,16 +129,8 @@ void SettingsForm::onMakeToxPortableUpdated()
     Settings::getInstance().setMakeToxPortable(makeToxPortable.isChecked());
 }
 
-void SettingsForm::onBrowseSmileyFilename()
+void SettingsForm::onSmileyBrowserIndexChanged(int index)
 {
-    // directory containing a file called emoticons.xml
+    QString filename = smileyPackBrowser.itemData(index).toString();
-    QString filename = QFileDialog::getOpenFileName(nullptr, tr("Select smiley pack"), QDir::currentPath(), "emoticons.xml");
+    Settings::getInstance().setSmileyPack(filename);
-
-    // get relative path to app's local directory
-    QString relPath = QDir::current().relativeFilePath(filename);
-
-    // save
-    Settings::getInstance().setSmileyPack(relPath);
-    smileyPackFilename.setText(relPath);
 }
-

widget/form/settingsform.h

@@ -26,6 +26,7 @@
 #include <QCheckBox>
 #include <QPushButton>
 #include <QTextEdit>
+#include <QComboBox>
 #include "widget/tool/clickablelabel.h"
 #include "ui_widget.h"
 #include "widget/selfcamview.h"
@@ -47,7 +48,7 @@ private slots:
     void onEnableIPv6Updated();
     void onUseTranslationUpdated();
     void onMakeToxPortableUpdated();
-    void onBrowseSmileyFilename();
+    void onSmileyBrowserIndexChanged(int index);
     void copyIdClicked();
 
 private:
@@ -58,8 +59,7 @@ private:
     QCheckBox enableIPv6, useTranslations, makeToxPortable;
     QVBoxLayout layout, headLayout;
     QWidget *main, *head;
-    QLineEdit smileyPackFilename;
+    QComboBox smileyPackBrowser;
-    QToolButton smileyBrowseFileButton;
 public:
     QLineEdit name, statusText;
 };