mirror-chatterino2/src/widgets/helper/ResizingTextEdit.hpp

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#pragma once
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#include <QCompleter>
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#include <QKeyEvent>
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#include <QTextEdit>
#include <pajlada/signals/signal.hpp>
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namespace chatterino {
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class ResizingTextEdit : public QTextEdit
{
public:
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ResizingTextEdit();
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QSize sizeHint() const override;
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bool hasHeightForWidth() const override;
bool isFirstWord() const;
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pajlada::Signals::Signal<QKeyEvent *> keyPressed;
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pajlada::Signals::NoArgSignal focused;
pajlada::Signals::NoArgSignal focusLost;
pajlada::Signals::Signal<const QMimeData *> imagePasted;
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void setCompleter(QCompleter *c);
QCompleter *getCompleter() const;
/**
* Resets a completion for this text if one was is progress.
* See `completionInProgress_`.
*/
void resetCompletion();
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protected:
int heightForWidth(int) const override;
void keyPressEvent(QKeyEvent *event) override;
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void focusInEvent(QFocusEvent *event) override;
void focusOutEvent(QFocusEvent *event) override;
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bool canInsertFromMimeData(const QMimeData *source) const override;
void insertFromMimeData(const QMimeData *source) override;
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private:
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// hadSpace is set to true in case the "textUnderCursor" word was after a
// space
QString textUnderCursor(bool *hadSpace = nullptr) const;
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QCompleter *completer_ = nullptr;
/**
* This is true if a completion was done but the user didn't type yet,
* and might want to press `Tab` again to get the next completion
* on the original text.
*
* For example:
*
* input: "pog"
* `Tab` pressed:
* - complete to "PogBones"
* - retain "pog" for next completion
* - set `completionInProgress_ = true`
* `Tab` pressed again:
* - complete ["pog"] to "PogChamp"
*
* [other key] pressed - updating the input text:
* - set `completionInProgress_ = false`
*/
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bool completionInProgress_ = false;
bool eventFilter(QObject *obj, QEvent *event) override;
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private slots:
void insertCompletion(const QString &completion);
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};
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} // namespace chatterino