Added a Scroll to top keyboard shortcut for splits (#3802)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

src/widgets/Scrollbar.cpp

@@ -76,6 +76,11 @@ void Scrollbar::scrollToBottom(bool animate)
     this->setDesiredValue(this->maximum_ - this->getLargeChange(), animate);
 }
 
+void Scrollbar::scrollToTop(bool animate)
+{
+    this->setDesiredValue(this->minimum_ - this->getLargeChange(), animate);
+}
+
 bool Scrollbar::isAtBottom() const
 {
     return this->atBottom_;

src/widgets/Scrollbar.hpp

@@ -30,6 +30,7 @@ public:
     void clearHighlights();
 
     void scrollToBottom(bool animate = false);
+    void scrollToTop(bool animate = false);
     bool isAtBottom() const;
 
     void setMaximum(qreal value);

src/widgets/splits/Split.cpp

@@ -333,6 +333,12 @@ void Split::addShortcuts()
                  getSettings()->enableSmoothScrollingNewMessages.getValue());
              return "";
          }},
+        {"scrollToTop",
+         [this](std::vector<QString>) -> QString {
+             this->getChannelView().getScrollBar().scrollToTop(
+                 getSettings()->enableSmoothScrollingNewMessages.getValue());
+             return "";
+         }},
         {"scrollPage",
          [this](std::vector<QString> arguments) -> QString {
              if (arguments.size() == 0)