Word wrapping to next line.

lib/definition.py

@@ -73,27 +73,51 @@ class Fragment:
     def repaintEvent(self, painter: QPainter) -> int:
         painter.save()
         painter.setFont(self._font)
-        painter.setPen(self._color)
-        rect = QRect()
-        rect.setLeft(self._position.x())
-        rect.setTop(
+        top = (
             self._position.y()
             + painter.fontMetrics().descent()
             - painter.fontMetrics().height()
         )
-        rect.setWidth(painter.viewport().width() - self._position.x())
-        rect.setHeight(2000)
+        left = self._position.x()
+        width = painter.viewport().width() - left
+        height = 2000
+        rect = QRect(left, top, width, height)
+        indent = self._indent * 30
+        flags = (
+            Qt.AlignmentFlag.AlignLeft
+            | Qt.AlignmentFlag.AlignBaseline
+        )
+        boundingNoWrap = painter.fontMetrics().boundingRect(
+            rect, flags|Qt.TextFlag.TextSingleLine, self._text
+        )
         flags = (
             Qt.AlignmentFlag.AlignLeft
             | Qt.AlignmentFlag.AlignBaseline
             | Qt.TextFlag.TextWordWrap
         )
-        bounding = painter.boundingRect(rect, flags, self._text)
+        bounding = painter.fontMetrics().boundingRect(
+            rect, flags|Qt.TextFlag.TextWordWrap, self._text
+        )
+        text = self._text
+        remainingText = ''
+        if boundingNoWrap.height() < bounding.height():
             #
-        # We need to determine if the text caused a word wrap.
-        # If it has wrapped.  We need to locate that exact break point
+            # This is not optimal, but it is only a few iterations
             #
-        size = bounding.size()
+            lastSpace = 0
+            char = 0
+            pos = rect.x()
+            while pos < rect.right():
+                if text[char] == ' ':
+                    lastSpace = char
+                pos += painter.fontMetrics().horizontalAdvance(
+                    text[char]
+                )
+                char += 1
+            remainingText = text[lastSpace:]
+            text = text[:lastSpace]
+
+        size = boundingNoWrap.size()
 
         painter.setPen(QColor("#f00"))
         if self._audio.isValid():
@@ -104,7 +128,22 @@ class Fragment:
             end = bounding.bottomRight()
             painter.drawLine(start, end)
         painter.setPen(self._color)
-        painter.drawText(rect, flags, self._text)
+        painter.drawText(rect, flags, text)
+        if remainingText != '':
+            top += size.height()
+            rect = QRect(
+                indent, top,
+                painter.viewport().width() - indent, height
+            )
+            painter.drawText(rect, flags|Qt.TextFlag.TextWordWrap, remainingText)
+            size = size.grownBy(
+                QMargins(
+                    0,0,0,
+                    painter.fontMetrics().boundingRect(
+                        rect, flags | Qt.TextFlag.TextWordWrap, remainingText
+                    ).height()
+                )
+            )
         painter.restore()
         size = size.grownBy(self._margin)
         size = size.grownBy(self._border)