Update text in shown tooltip

When a tooltip's text is changed, ask the WindowManager to update the
currently shown tooltip. The call is only effective if the tooltip is
actually being shown.

Author: falbrechtskirchinger

libs/s25main/controls/ctrlBaseTooltip.cpp

@@ -10,6 +10,12 @@ ctrlBaseTooltip::~ctrlBaseTooltip()
     HideTooltip();
 }
 
+void ctrlBaseTooltip::SetTooltip(const std::string& tooltip)
+{
+    tooltip_ = tooltip;
+    WINDOWMANAGER.SetToolTip(this, tooltip_, true);
+}
+
 void ctrlBaseTooltip::SwapTooltip(ctrlBaseTooltip& other)
 {
     std::swap(tooltip_, other.tooltip_);

libs/s25main/controls/ctrlBaseTooltip.h

@@ -14,7 +14,7 @@ class ctrlBaseTooltip
     ctrlBaseTooltip(std::string tooltip = "") : tooltip_(std::move(tooltip)) {}
     virtual ~ctrlBaseTooltip();
 
-    void SetTooltip(const std::string& tooltip) { tooltip_ = tooltip; }
+    void SetTooltip(const std::string& tooltip);
     const std::string& GetTooltip() const { return tooltip_; }
     /// Swap the tooltips of those controls
     void SwapTooltip(ctrlBaseTooltip& other);