diff --git a/src/TextInputWidget.cpp b/src/TextInputWidget.cpp
index 4edd8376..6d57a5f1 100644
--- a/src/TextInputWidget.cpp
+++ b/src/TextInputWidget.cpp
@@ -15,9 +15,11 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <QAbstractItemView>
#include <QAbstractTextDocumentLayout>
#include <QBuffer>
#include <QClipboard>
+#include <QCompleter>
#include <QFileDialog>
#include <QMimeData>
#include <QMimeDatabase>
@@ -28,9 +30,12 @@
#include "Cache.h"
#include "ChatPage.h"
+#include "CompletionModel.h"
#include "Logging.h"
#include "TextInputWidget.h"
#include "Utils.h"
+#include "emoji/EmojiSearchModel.h"
+#include "emoji/Provider.h"
#include "ui/FlatButton.h"
#include "ui/LoadingIndicator.h"
@@ -61,6 +66,23 @@ FilteredTextEdit::FilteredTextEdit(QWidget *parent)
connect(this, &QTextEdit::textChanged, this, &FilteredTextEdit::textChanged);
setAcceptRichText(false);
+ completer_ = new QCompleter(this);
+ completer_->setWidget(this);
+ auto model = new emoji::EmojiSearchModel(this);
+ model->sort(0, Qt::AscendingOrder);
+ completer_->setModel((emoji_completion_model_ = new CompletionModel(model, this)));
+ completer_->setModelSorting(QCompleter::UnsortedModel);
+ completer_->popup()->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ completer_->popup()->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+ connect(completer_,
+ QOverload<const QModelIndex &>::of(&QCompleter::activated),
+ [this](auto &index) {
+ emoji_popup_open_ = false;
+ auto emoji = index.data(emoji::EmojiModel::Unicode).toString();
+ insertCompletion(emoji);
+ });
+
typingTimer_ = new QTimer(this);
typingTimer_->setInterval(1000);
typingTimer_->setSingleShot(true);
@@ -102,6 +124,18 @@ FilteredTextEdit::FilteredTextEdit(QWidget *parent)
}
void
+FilteredTextEdit::insertCompletion(QString completion)
+{
+ // Paint the current word and replace it with 'completion'
+ auto cur_text = textAfterPosition(trigger_pos_);
+ auto tc = textCursor();
+ tc.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor, cur_text.length());
+ tc.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, cur_text.length());
+ tc.insertText(completion);
+ setTextCursor(tc);
+}
+
+void
FilteredTextEdit::showResults(const std::vector<SearchResult> &results)
{
QPoint pos;
@@ -167,6 +201,21 @@ FilteredTextEdit::keyPressEvent(QKeyEvent *event)
}
}
+ if (emoji_popup_open_) {
+ auto fake_key = (event->key() == Qt::Key_Backtab) ? Qt::Key_Up : Qt::Key_Down;
+ switch (event->key()) {
+ case Qt::Key_Backtab:
+ case Qt::Key_Tab: {
+ // Simulate up/down arrow press
+ auto ev = new QKeyEvent(QEvent::KeyPress, fake_key, Qt::NoModifier);
+ QCoreApplication::postEvent(completer_->popup(), ev);
+ return;
+ }
+ default:
+ break;
+ }
+ }
+
switch (event->key()) {
case Qt::Key_At:
atTriggerPosition_ = textCursor().position();
@@ -195,8 +244,25 @@ FilteredTextEdit::keyPressEvent(QKeyEvent *event)
break;
}
+ case Qt::Key_Colon: {
+ QTextEdit::keyPressEvent(event);
+ trigger_pos_ = textCursor().position() - 1;
+ emoji_popup_open_ = true;
+ break;
+ }
case Qt::Key_Return:
case Qt::Key_Enter:
+ if (emoji_popup_open_) {
+ if (!completer_->popup()->currentIndex().isValid()) {
+ // No completion to select, do normal behavior
+ completer_->popup()->hide();
+ emoji_popup_open_ = false;
+ } else {
+ event->ignore();
+ return;
+ }
+ }
+
if (!(event->modifiers() & Qt::ShiftModifier)) {
stopTyping();
submit();
@@ -243,6 +309,21 @@ FilteredTextEdit::keyPressEvent(QKeyEvent *event)
if (isModifier)
return;
+ if (emoji_popup_open_ && textAfterPosition(trigger_pos_).length() > 2) {
+ // Update completion
+ emoji_completion_model_->setFilterRegExp(textAfterPosition(trigger_pos_));
+ completer_->complete(completerRect());
+ }
+
+ if (emoji_popup_open_ && (completer_->completionCount() < 1 ||
+ !textAfterPosition(trigger_pos_)
+ .contains(QRegularExpression(":[^\r\n\t\f\v :]+$")))) {
+ // No completions for this word or another word than the completer was
+ // started with
+ emoji_popup_open_ = false;
+ completer_->popup()->hide();
+ }
+
if (textCursor().position() == 0) {
resetAnchor();
closeSuggestions();
@@ -352,6 +433,29 @@ FilteredTextEdit::stopTyping()
emit stoppedTyping();
}
+QRect
+FilteredTextEdit::completerRect()
+{
+ // Move left edge to the beginning of the word
+ auto cursor = textCursor();
+ auto rect = cursorRect();
+ cursor.movePosition(
+ QTextCursor::Left, QTextCursor::MoveAnchor, textAfterPosition(trigger_pos_).length());
+ auto cursor_global_x = viewport()->mapToGlobal(cursorRect(cursor).topLeft()).x();
+ auto rect_global_left = viewport()->mapToGlobal(rect.bottomLeft()).x();
+ auto dx = qAbs(rect_global_left - cursor_global_x);
+ rect.moveLeft(rect.left() - dx);
+
+ auto item_height = completer_->popup()->sizeHintForRow(0);
+ auto max_height = item_height * completer_->maxVisibleItems();
+ auto height = (completer_->completionCount() > completer_->maxVisibleItems())
+ ? max_height
+ : completer_->completionCount() * item_height;
+ rect.setWidth(completer_->popup()->sizeHintForColumn(0));
+ rect.moveBottom(-height);
+ return rect;
+}
+
QSize
FilteredTextEdit::sizeHint() const
{
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