Enable WindowManager to update tooltips

Add a parameter (bool updateCurrent) to the WindowManager::SetToolTip()
function, to update the text of the currently displayed tooltip.

Author: falbrechtskirchinger

libs/s25main/WindowManager.cpp

@@ -798,12 +798,21 @@ class WindowManager::Tooltip
     const glFont* font;
     std::vector<std::string> lines;
     unsigned width = 0, height = 0;
+    unsigned short maxWidth;
 
 public:
     Tooltip(const ctrlBaseTooltip* showingCtrl, const std::string& text, unsigned short maxWidth)
-        : showingCtrl(showingCtrl), font(NormalFont),
-          lines(font->GetWrapInfo(text, maxWidth, maxWidth).CreateSingleStrings(text))
+        : showingCtrl(showingCtrl), font(NormalFont), maxWidth(maxWidth)
     {
+        setText(text);
+    }
+
+    auto getShowingCtrl() const { return showingCtrl; }
+    auto getWidth() const { return width; }
+
+    void setText(const std::string& text)
+    {
+        lines = font->GetWrapInfo(text, maxWidth, maxWidth).CreateSingleStrings(text);
         if(lines.empty())
             return;
         width = 0;
@@ -813,9 +822,6 @@ class WindowManager::Tooltip
         height = lines.size() * font->getHeight() + BORDER_SIZE * 2;
     }
 
-    auto getShowingCtrl() const { return showingCtrl; }
-    auto getWidth() const { return width; }
-
     void draw(DrawPoint pos) const
     {
         Window::DrawRectangle(Rect(pos, width, height), 0x9F000000);
@@ -829,7 +835,7 @@ class WindowManager::Tooltip
     }
 };
 
-void WindowManager::SetToolTip(const ctrlBaseTooltip* ttw, const std::string& tooltip)
+void WindowManager::SetToolTip(const ctrlBaseTooltip* ttw, const std::string& tooltip, bool updateCurrent)
 {
     // Max width of tooltip
     constexpr unsigned short MAX_TOOLTIP_WIDTH = 260;
@@ -838,6 +844,10 @@ void WindowManager::SetToolTip(const ctrlBaseTooltip* ttw, const std::string& to
     {
         if(curTooltip && (!ttw || curTooltip->getShowingCtrl() == ttw))
             curTooltip.reset();
+    } else if(updateCurrent)
+    {
+        if(curTooltip && curTooltip->getShowingCtrl() == ttw)
+            curTooltip->setText(tooltip);
     } else
         curTooltip = std::make_unique<Tooltip>(ttw, tooltip, MAX_TOOLTIP_WIDTH);
 }

libs/s25main/WindowManager.h

@@ -102,7 +102,7 @@ class WindowManager : public Singleton<WindowManager>, public VideoDriverLoaderI
     /// Verarbeitung Keyboard-Event
     void Msg_KeyDown(const KeyEvent& ke) override;
     // setzt den Tooltip
-    void SetToolTip(const ctrlBaseTooltip* ttw, const std::string& tooltip);
+    void SetToolTip(const ctrlBaseTooltip* ttw, const std::string& tooltip, bool updateCurrent = false);
 
     /// Verarbeitung Spielfenstergröße verändert (vom Betriebssystem aus)
     void WindowResized() override;