Wrap long NPC choice text in ListBox using multiline renderingnpc-choice-wrapping

1 files changed, 45 insertions, 15 deletions

diff --git a/src/gui/widgets/listbox.cpp b/src/gui/widgets/listbox.cpp
index 112de232..09f0036b 100644
--- a/src/gui/widgets/listbox.cpp
+++ b/src/gui/widgets/listbox.cpp
@@ -43,27 +43,57 @@ void ListBox::draw(gcn::Graphics *graphics)
 
     graphics->setFont(getFont());
 
-    const int height = getRowHeight();
+    const int boxWidth = getWidth() - 4;
+    gcn::Font *font = getFont();
+    graphics->setColor(Theme::getThemeColor(Theme::TEXT));
 
-    // Draw filled rectangle around the selected list element
-    if (mSelected >= 0)
-    {
-        auto highlightColor = Theme::getThemeColor(Theme::HIGHLIGHT);
-        highlightColor.a = gui->getTheme()->getGuiAlpha();
-        graphics->setColor(highlightColor);
-        graphics->fillRectangle(gcn::Rectangle(0, height * mSelected,
-                                               getWidth(), height));
-    }
+    int y = 0;
 
-    // Draw the list elements
-    graphics->setColor(Theme::getThemeColor(Theme::TEXT));
-    for (int i = 0, y = 0; i < mListModel->getNumberOfElements();
-         ++i, y += height)
+    for (int i = 0; i < mListModel->getNumberOfElements(); ++i)
     {
-        graphics->drawText(mListModel->getElementAt(i), 1, y);
+        std::string text = mListModel->getElementAt(i);
+
+        // Word wrap
+        std::vector<std::string> lines;
+        std::istringstream stream(text);
+        std::string word, currentLine;
+
+        while (stream >> word)
+        {
+            std::string testLine = currentLine.empty() ? word : currentLine + " " + word;
+            if (font->getWidth(testLine) < boxWidth)
+            {
+                currentLine = testLine;
+            }
+            else
+            {
+                lines.push_back(currentLine);
+                currentLine = word;
+            }
+        }
+        if (!currentLine.empty())
+            lines.push_back(currentLine);
+
+        // Highlight if selected
+        if (mSelected == i)
+        {
+            auto highlightColor = Theme::getThemeColor(Theme::HIGHLIGHT);
+            highlightColor.a = gui->getTheme()->getGuiAlpha();
+            graphics->setColor(highlightColor);
+            graphics->fillRectangle(gcn::Rectangle(0, y, getWidth(), lines.size() * getRowHeight()));
+            graphics->setColor(Theme::getThemeColor(Theme::TEXT)); // Reset color
+        }
+
+        // Draw each line
+        for (const std::string &line : lines)
+        {
+            graphics->drawText(line, 1, y);
+            y += getRowHeight();
+        }
     }
 }
 
+
 void ListBox::keyPressed(gcn::KeyEvent& keyEvent)
 {
     const gcn::Key key = keyEvent.getKey();