mirror of
https://github.com/kotatogram/kotatogram-desktop
synced 2025-08-31 06:35:14 +00:00
ITextLink moved to ClickHandler, TextLinkPtr > ClickHandlerPtr.
Global methods textlnkOver/Down/DrawOver were replaced by static members of ClickHandler, now global state consists of the handler pointer + host pointer, who declares callbacks for the active and pressed handler changed events. This will allow to use ClickHandler from different hosts simultaneously (like HistoryItem / BotDescription / BotKeyboard). Not yet tested.
This commit is contained in:
John Preston
@@ -309,69 +309,199 @@ private:
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friend class TextPainter;
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};
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class ITextLink {
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public:
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class ClickHandler;
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using ClickHandlerPtr = QSharedPointer<ClickHandler>;
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virtual void onClick(Qt::MouseButton) const = 0;
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virtual const QString &text() const {
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static const QString _tmp;
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return _tmp;
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class ClickHandlerHost {
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protected:
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virtual void clickHandlerActiveChanged(const ClickHandlerPtr &action, bool active) {
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}
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virtual const QString &readable() const {
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static const QString _tmp;
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return _tmp;
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}
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virtual bool fullDisplayed() const {
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return true;
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}
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virtual void setFullDisplayed(bool full) {
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}
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virtual QString encoded() const {
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return QString();
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}
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virtual const QLatin1String &type() const = 0;
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virtual ~ITextLink() {
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virtual void clickHandlerPressedChanged(const ClickHandlerPtr &action, bool pressed) {
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}
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virtual ~ClickHandlerHost() = 0;
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friend class ClickHandler;
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};
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#define TEXT_LINK_CLASS(ClassName) public: \
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const QLatin1String &type() const { \
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static const QLatin1String _type(qstr(#ClassName)); \
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return _type; \
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}
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typedef QSharedPointer<ITextLink> TextLinkPtr;
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class TextLink : public ITextLink {
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TEXT_LINK_CLASS(TextLink)
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class ClickHandler {
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public:
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TextLink(const QString &url, bool fullDisplayed = true) : _url(url), _fullDisplayed(fullDisplayed) {
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QUrl u(_url), good(u.isValid() ? u.toEncoded() : QString());
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_readable = good.isValid() ? good.toDisplayString() : _url;
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virtual void onClick(Qt::MouseButton) const = 0;
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virtual QString tooltip() const {
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return QString();
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}
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virtual void copyToClipboard() const {
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}
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virtual QString copyToClipboardContextItem() const {
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return QString();
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}
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virtual QString text() const {
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return QString();
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}
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virtual QString dragText() const {
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return text();
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}
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const QString &text() const {
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return _url;
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virtual ~ClickHandler() {
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}
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void onClick(Qt::MouseButton button) const;
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// this method should be called on mouse over a click handler
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// it returns true if something was changed or false otherwise
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static bool setActive(const ClickHandlerPtr &p, ClickHandlerHost *host = nullptr);
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const QString &readable() const {
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return _readable;
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// this method should be called when mouse leaves the host
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// it returns true if something was changed or false otherwise
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static bool clearActive(ClickHandlerHost *host = nullptr) {
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if (host && _activeHost != host) {
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return false;
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}
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return setActive(ClickHandlerPtr(), host);
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}
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bool fullDisplayed() const {
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return _fullDisplayed;
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// this method should be called on mouse pressed
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static void pressed() {
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unpressed();
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if (!_active || !*_active) {
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return;
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}
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if (!_pressed) {
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_pressed = new ClickHandlerPtr(); // won't be deleted
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}
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*_pressed = *_active;
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if ((_pressedHost = _activeHost)) {
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_pressedHost->clickHandlerPressedChanged(*_pressed, true);
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}
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}
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// this method should be called on mouse released
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// the activated click handler is returned
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static ClickHandlerPtr unpressed() {
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if (_pressed && *_pressed) {
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bool activated = (_active && *_active == *_pressed);
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ClickHandlerPtr waspressed = *_pressed;
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(*_pressed).clear();
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if (_pressedHost) {
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_pressedHost->clickHandlerPressedChanged(waspressed, false);
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_pressedHost = nullptr;
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}
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if (activated) {
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return *_active;
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} else if (_active && *_active && _activeHost) {
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// emit clickHandlerActiveChanged for current active
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// click handler, which we didn't emit while we has
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// a pressed click handler
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_activeHost->clickHandlerActiveChanged(*_active, true);
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}
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}
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return ClickHandlerPtr();
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}
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static ClickHandlerPtr getActive() {
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return _active ? *_active : ClickHandlerPtr();
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}
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static ClickHandlerPtr getPressed() {
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return _pressed ? *_pressed : ClickHandlerPtr();
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}
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static bool showAsActive(const ClickHandlerPtr &p) {
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if (!p || !_active || p != *_active) {
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return false;
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}
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return !_pressed || !*_pressed || (p == *_pressed);
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}
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static bool showAsPressed(const ClickHandlerPtr &p) {
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if (!p || !_active || p != *_active) {
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return false;
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}
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return _pressed && (p == *_pressed);
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}
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static void hostDestroyed(ClickHandlerHost *host) {
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if (_activeHost == host) {
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_activeHost = nullptr;
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} else if (_pressedHost == host) {
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_pressedHost = nullptr;
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}
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}
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private:
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static ClickHandlerPtr *_active;
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static ClickHandlerPtr *_pressed;
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static ClickHandlerHost *_activeHost;
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static ClickHandlerHost *_pressedHost;
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};
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class LeftButtonClickHandler : public ClickHandler {
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public:
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void onClick(Qt::MouseButton button) const override final {
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if (button != Qt::LeftButton) return;
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onClickImpl();
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}
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protected:
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virtual void onClickImpl() const = 0;
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};
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class TextClickHandler : public ClickHandler {
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public:
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TextClickHandler(bool fullDisplayed = true) : _fullDisplayed(fullDisplayed) {
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}
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void copyToClipboard() const override {
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QString u = url();
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if (!u.isEmpty()) {
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QApplication::clipboard()->setText(u);
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}
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}
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QString tooltip() const override {
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return _fullDisplayed ? QString() : readable();
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}
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void setFullDisplayed(bool full) {
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_fullDisplayed = full;
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}
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QString encoded() const {
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protected:
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virtual QString url() const = 0;
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virtual QString readable() const {
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return url();
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}
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bool _fullDisplayed;
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};
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class UrlClickHandler : public TextClickHandler {
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public:
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UrlClickHandler(const QString &url, bool fullDisplayed = true) : TextClickHandler(fullDisplayed), _url(url) {
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QUrl u(_url), good(u.isValid() ? u.toEncoded() : QString());
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_readable = good.isValid() ? good.toDisplayString() : _url;
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}
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QString copyToClipboardContextItem() const override;
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QString text() const override {
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return _url;
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}
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QString dragText() const override {
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return url();
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}
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static void doOpen(QString url);
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void onClick(Qt::MouseButton button) const override {
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if (button == Qt::LeftButton || button == Qt::MiddleButton) {
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doOpen(url());
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}
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}
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protected:
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QString url() const override {
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QUrl u(_url), good(u.isValid() ? u.toEncoded() : QString());
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QString result(good.isValid() ? QString::fromUtf8(good.toEncoded()) : _url);
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@@ -380,46 +510,47 @@ public:
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}
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return result;
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}
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QString readable() const override {
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return _readable;
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}
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private:
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QString _url, _readable;
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bool _fullDisplayed;
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};
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typedef QSharedPointer<TextClickHandler> TextClickHandlerPtr;
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class HiddenUrlClickHandler : public UrlClickHandler {
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public:
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HiddenUrlClickHandler(QString url) : UrlClickHandler(url, false) {
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}
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void onClick(Qt::MouseButton button) const override;
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};
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class CustomTextLink : public TextLink {
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class EmailClickHandler : public TextClickHandler {
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public:
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CustomTextLink(const QString &url) : TextLink(url, false) {
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EmailClickHandler(const QString &email) : _email(email) {
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}
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void onClick(Qt::MouseButton button) const;
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};
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QString copyToClipboardContextItem() const override;
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class EmailLink : public ITextLink {
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TEXT_LINK_CLASS(EmailLink)
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public:
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EmailLink(const QString &email) : _email(email) {
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}
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const QString &text() const {
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QString text() const override {
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return _email;
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}
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void onClick(Qt::MouseButton button) const;
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const QString &readable() const {
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return _email;
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static void doOpen(QString email);
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void onClick(Qt::MouseButton button) const override {
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if (button == Qt::LeftButton || button == Qt::MiddleButton) {
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doOpen(_email);
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}
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}
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QString encoded() const {
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protected:
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QString url() const override {
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return _email;
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}
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private:
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QString _email;
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};
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@@ -441,26 +572,20 @@ inline uint qHash(const LocationCoords &t, uint seed = 0) {
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return qHash(QtPrivate::QHashCombine().operator()(qHash(t.lat), t.lon), seed);
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}
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class LocationLink : public ITextLink {
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TEXT_LINK_CLASS(LocationLink)
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class LocationClickHandler : public TextClickHandler {
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public:
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LocationLink(const LocationCoords &coords) : _coords(coords) {
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LocationClickHandler(const LocationCoords &coords) : _coords(coords) {
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setup();
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}
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QString copyToClipboardContextItem() const override;
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const QString &text() const {
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QString text() const override {
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return _text;
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}
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void onClick(Qt::MouseButton button) const override;
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void onClick(Qt::MouseButton button) const;
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const QString &readable() const {
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return _text;
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}
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QString encoded() const {
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protected:
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QString url() const override {
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return _text;
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}
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@@ -472,86 +597,63 @@ private:
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};
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class MentionLink : public ITextLink {
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TEXT_LINK_CLASS(MentionLink)
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class MentionClickHandler : public TextClickHandler {
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public:
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MentionLink(const QString &tag) : _tag(tag) {
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MentionClickHandler(const QString &tag) : _tag(tag) {
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}
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QString copyToClipboardContextItem() const override;
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const QString &text() const {
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QString text() const override {
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return _tag;
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}
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void onClick(Qt::MouseButton button) const override;
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void onClick(Qt::MouseButton button) const;
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const QString &readable() const {
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return _tag;
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}
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QString encoded() const {
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protected:
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QString url() const override {
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return _tag;
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}
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private:
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QString _tag;
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};
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class HashtagLink : public ITextLink {
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TEXT_LINK_CLASS(HashtagLink)
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class HashtagClickHandler : public TextClickHandler {
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public:
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HashtagLink(const QString &tag) : _tag(tag) {
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HashtagClickHandler(const QString &tag) : _tag(tag) {
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}
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QString copyToClipboardContextItem() const override;
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const QString &text() const {
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QString text() const override {
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return _tag;
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}
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void onClick(Qt::MouseButton button) const override;
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void onClick(Qt::MouseButton button) const;
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const QString &readable() const {
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return _tag;
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}
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QString encoded() const {
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protected:
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QString url() const override {
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return _tag;
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}
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private:
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QString _tag;
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};
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class BotCommandLink : public ITextLink {
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TEXT_LINK_CLASS(BotCommandLink)
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class BotCommandClickHandler : public TextClickHandler {
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public:
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BotCommandLink(const QString &cmd) : _cmd(cmd) {
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BotCommandClickHandler(const QString &cmd) : _cmd(cmd) {
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}
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const QString &text() const {
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QString text() const override {
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return _cmd;
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}
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void onClick(Qt::MouseButton button) const override;
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void onClick(Qt::MouseButton button) const;
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const QString &readable() const {
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return _cmd;
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}
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QString encoded() const {
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protected:
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QString url() const override {
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return _cmd;
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}
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private:
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QString _cmd;
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};
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@@ -608,7 +710,7 @@ public:
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void setRichText(style::font font, const QString &text, TextParseOptions options = _defaultOptions, const TextCustomTagsMap &custom = TextCustomTagsMap());
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void setMarkedText(style::font font, const QString &text, const EntitiesInText &entities, const TextParseOptions &options = _defaultOptions);
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void setLink(uint16 lnkIndex, const TextLinkPtr &lnk);
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void setLink(uint16 lnkIndex, const ClickHandlerPtr &lnk);
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bool hasLinks() const;
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bool hasSkipBlock() const {
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@@ -641,12 +743,12 @@ public:
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drawElided(p, rtl() ? right : (outerw - right - width), top, width, lines, align, yFrom, yTo, removeFromEnd, breakEverywhere);
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}
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const TextLinkPtr &link(int32 x, int32 y, int32 width, style::align align = style::al_left) const;
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const TextLinkPtr &linkLeft(int32 x, int32 y, int32 width, int32 outerw, style::align align = style::al_left) const {
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const ClickHandlerPtr &link(int32 x, int32 y, int32 width, style::align align = style::al_left) const;
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const ClickHandlerPtr &linkLeft(int32 x, int32 y, int32 width, int32 outerw, style::align align = style::al_left) const {
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return link(rtl() ? (outerw - x - width) : x, y, width, align);
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}
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void getState(TextLinkPtr &lnk, bool &inText, int32 x, int32 y, int32 width, style::align align = style::al_left, bool breakEverywhere = false) const;
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void getStateLeft(TextLinkPtr &lnk, bool &inText, int32 x, int32 y, int32 width, int32 outerw, style::align align = style::al_left, bool breakEverywhere = false) const {
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void getState(ClickHandlerPtr &lnk, bool &inText, int32 x, int32 y, int32 width, style::align align = style::al_left, bool breakEverywhere = false) const;
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void getStateLeft(ClickHandlerPtr &lnk, bool &inText, int32 x, int32 y, int32 width, int32 outerw, style::align align = style::al_left, bool breakEverywhere = false) const {
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return getState(lnk, inText, rtl() ? (outerw - x - width) : x, y, width, align, breakEverywhere);
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}
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void getSymbol(uint16 &symbol, bool &after, bool &upon, int32 x, int32 y, int32 width, style::align align = style::al_left) const;
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@@ -710,7 +812,7 @@ private:
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typedef QVector<ITextBlock*> TextBlocks;
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TextBlocks _blocks;
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typedef QVector<TextLinkPtr> TextLinks;
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typedef QVector<ClickHandlerPtr> TextLinks;
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TextLinks _links;
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Qt::LayoutDirection _startDir;
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@@ -737,15 +839,6 @@ inline void textstyleRestore() {
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textstyleSet(0);
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}
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// textlnk
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void textlnkOver(const TextLinkPtr &lnk);
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const TextLinkPtr &textlnkOver();
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void textlnkDown(const TextLinkPtr &lnk);
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const TextLinkPtr &textlnkDown();
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bool textlnkDrawOver(const TextLinkPtr &lnk);
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// textcmd
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QString textcmdSkipBlock(ushort w, ushort h);
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QString textcmdStartLink(ushort lnkIndex);
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