Show bot callback data in a tooltip

Telegram/SourceFiles/history/history_item_components.cpp

@@ -460,6 +460,14 @@ QString ReplyMarkupClickHandler::buttonText() const {
 	return QString();
 }
 
+// Returns the full text of the corresponding button.
+QString ReplyMarkupClickHandler::buttonDataString() const {
+	if (const auto button = getButton()) {
+		return QString(button->data);
+	}
+	return QString();
+}
+
 ReplyKeyboard::Button::Button() = default;
 ReplyKeyboard::Button::Button(Button &&other) = default;
 ReplyKeyboard::Button &ReplyKeyboard::Button::operator=(

Telegram/SourceFiles/history/history_item_components.h

@@ -252,7 +252,7 @@ public:
 		FullMsgId context);
 
 	QString tooltip() const override {
-		return _fullDisplayed ? QString() : buttonText();
+		return _fullDisplayed ? buttonDataString() : buttonText() + "\n" + buttonDataString();
 	}
 
 	void setFullDisplayed(bool full) {
@@ -288,6 +288,9 @@ private:
 	// Returns the full text of the corresponding button.
 	QString buttonText() const;
 
+	// Returns the data of the corresponding button as a string.
+	QString buttonDataString() const;
+
 };
 
 class ReplyKeyboard {