Match text caret size with Entry widget

src/app/ui/skin/skin_theme.cpp

@@ -1296,12 +1296,22 @@ int SkinTheme::getScrollbarSize()
   return dimensions.scrollbarSize();
 }
 
-gfx::Size SkinTheme::getEntryCaretSize(Widget* widget)
+gfx::Size SkinTheme::getCaretSize(Widget* widget)
 {
+  int caretHeight;
+  if (widget->type() == kTextEditWidget) {
+    // We cannot use the height of the widget text, because it
+    // includes the line height of every single line in the widget.
+    caretHeight = widget->font()->lineHeight();
+  }
+  else {
+    caretHeight = widget->textHeight();
+  }
+
   if (widget->font()->type() == text::FontType::FreeType)
-    return gfx::Size(2 * guiscale(), widget->textHeight());
+    return gfx::Size(2 * guiscale(), caretHeight);
   else
-    return gfx::Size(2 * guiscale(), widget->textHeight() + 2 * guiscale());
+    return gfx::Size(2 * guiscale(), caretHeight + 2 * guiscale());
 }
 
 void SkinTheme::paintEntry(PaintEvent& ev)
@@ -1866,7 +1876,7 @@ void SkinTheme::drawEntryCaret(ui::Graphics* g, Entry* widget, int x, int y)
 {
   gfx::Color color = colors.text();
   int textHeight = widget->textHeight();
-  gfx::Size caretSize = getEntryCaretSize(widget);
+  gfx::Size caretSize = getCaretSize(widget);
 
   for (int u = x; u < x + caretSize.w; ++u)
     g->drawVLine(color, u, y + textHeight / 2 - caretSize.h / 2, caretSize.h);

src/app/ui/skin/skin_theme.h

@@ -80,7 +80,7 @@ public:
   void initWidget(ui::Widget* widget) override;
   void getWindowMask(ui::Widget* widget, gfx::Region& region) override;
   int getScrollbarSize() override;
-  gfx::Size getEntryCaretSize(ui::Widget* widget) override;
+  gfx::Size getCaretSize(ui::Widget* widget) override;
 
   void paintEntry(ui::PaintEvent& ev) override;
   void paintListBox(ui::PaintEvent& ev) override;

src/ui/entry.cpp

@@ -139,7 +139,7 @@ gfx::Point Entry::caretPosOnScreen() const
 
 void Entry::setCaretPos(const int pos)
 {
-  gfx::Size caretSize = theme()->getEntryCaretSize(this);
+  gfx::Size caretSize = theme()->getCaretSize(this);
   int textlen = lastCaretPos();
   m_caret = std::clamp(pos, 0, textlen);
   m_scroll = std::clamp(m_scroll, 0, textlen);
@@ -521,7 +521,7 @@ gfx::Size Entry::sizeHintWithText(Entry* entry, const std::string& text)
 {
   const auto& font = entry->font();
 
-  int w = font->textLength(text) + +2 * entry->theme()->getEntryCaretSize(entry).w +
+  int w = font->textLength(text) + +2 * entry->theme()->getCaretSize(entry).w +
           entry->border().width();
 
   w = std::min(w, guiscale() * kMaxWidthHintForEntry);
@@ -546,7 +546,7 @@ void Entry::onSizeHint(SizeHintEvent& ev)
   const auto& font = this->font();
 
   int trailing = font->textLength(getSuffix());
-  trailing = std::max(trailing, 2 * theme()->getEntryCaretSize(this).w);
+  trailing = std::max(trailing, 2 * theme()->getCaretSize(this).w);
 
   int w = font->textLength("w") * std::min(m_maxsize, 6) + +trailing + border().width();
 
@@ -1012,7 +1012,7 @@ void Entry::recalcCharBoxes(const std::string& text)
   box.codepoint = 0;
   box.from = box.to = lastTextIndex;
   box.x = lastX;
-  box.width = theme()->getEntryCaretSize(this).w;
+  box.width = theme()->getCaretSize(this).w;
   m_boxes.push_back(box);
 }
 

src/ui/int_entry.cpp

@@ -141,7 +141,7 @@ void IntEntry::onSizeHint(SizeHintEvent& ev)
 {
   const text::FontRef& font = this->font();
   int trailing = font->textLength(getSuffix());
-  trailing = std::max(trailing, 2 * theme()->getEntryCaretSize(this).w);
+  trailing = std::max(trailing, 2 * theme()->getCaretSize(this).w);
 
   int min_w = font->textLength(m_slider->convertValueToText(m_min));
   int max_w = font->textLength(m_slider->convertValueToText(m_max)) + trailing;

src/ui/textedit.cpp

@@ -364,8 +364,8 @@ void TextEdit::onPaint(PaintEvent& ev)
   gfx::PointF point(border().left(), border().top());
   point -= scroll;
 
-  m_caretRect =
-    gfx::Rect(border().left() - scroll.x, border().top() - scroll.y, 2, font()->lineHeight());
+  m_caretRect = gfx::Rect(gfx::Point(border().left() - scroll.x, border().top() - scroll.y),
+                          theme()->getCaretSize(this));
 
   const gfx::Rect clipBounds = g->getClipBounds();
 
@@ -403,8 +403,9 @@ void TextEdit::onPaint(PaintEvent& ev)
         m_caretRect.x += line.getBounds(m_caret.pos()).x;
       }
 
-      m_caretRect.y = point.y;
-      m_caretRect.h = line.height; // Ensure the caret height corresponds with the tallest glyph
+      // Ensure the caret height corresponds with the tallest glyph
+      m_caretRect.h = std::max(m_caretRect.h, line.height);
+      m_caretRect.y = point.y + line.height / 2 - m_caretRect.h / 2;
     }
 
     point.y += line.height;

src/ui/theme.h

@@ -74,7 +74,7 @@ public:
   virtual void getWindowMask(Widget* widget, gfx::Region& region) {}
   virtual void setDecorativeWidgetBounds(Widget* widget);
   virtual int getScrollbarSize() { return kDefaultFontHeight; }
-  virtual gfx::Size getEntryCaretSize(Widget* widget) { return gfx::Size(kDefaultFontHeight, 1); }
+  virtual gfx::Size getCaretSize(Widget* widget) { return gfx::Size(kDefaultFontHeight, 1); }
 
   virtual void paintEntry(PaintEvent& ev) {}
   virtual void paintTextEdit(PaintEvent& ev) {}