QT: Made dashed lines shorter.

xtt/lib/flow/qt/flow_draw_qt.cqt

@@ -111,42 +111,22 @@ static unique_ptr<QPainter> get_painter(
     QPaintDevice* window, FlowDrawQt* draw_ctx, int painter_type, int size)
 {
   unique_ptr<QPainter> painter(new QPainter(window));
-  switch (painter_type) {
-  case flow_eDrawType_LineDashed:
-  case flow_eDrawType_LineDashedRed: {
-    painter->setBrush(QBrush(draw_type_to_color(draw_ctx, painter_type)));
-    painter->setBackground(QBrush(draw_ctx->background));
-    QPen pen = QPen(painter->brush(), size + 1, Qt::DashLine);
+  painter->setBrush(QBrush(draw_type_to_color(draw_ctx, painter_type)));
+  painter->setBackground(QBrush(draw_ctx->background));
+  painter->setPen(QPen(painter->brush(), size + 1));
+  if (painter_type == flow_eDrawType_LineDashed || painter_type == flow_eDrawType_LineDashedRed) {
+    QPen pen = painter->pen();
     QVector<double> dashes;
-    dashes << 7 + size << 7 + size;
+    dashes << (7 + size) / pen.widthF() << (7 + size) / pen.widthF();
     pen.setDashPattern(dashes);
     painter->setPen(pen);
-    return painter;
   }
-  case flow_eDrawType_TextHelvetica:
-  case flow_eDrawType_TextHelveticaBold:
-  case flow_eDrawType_TextHelveticaErase:
-  case flow_eDrawType_TextHelveticaEraseBold: {
-    painter->setBrush(QBrush(draw_type_to_color(draw_ctx, painter_type)));
-    painter->setPen(QPen(painter->brush(), size + 1));
-    painter->setBackground(QBrush(draw_ctx->background));
+  if (painter_type >= flow_eDrawType_TextHelvetica &&
+      painter_type <= flow_eDrawType_TextHelveticaEraseBold) {
     int sizes[9] = {8, 10, 12, 14, 14, 18, 18, 18, 24};
     painter->setFont(get_font(painter_type, sizes[size], "Helvetica"));
-    return painter;
-  }
-  case flow_eDrawType_Green:
-  case flow_eDrawType_Yellow:
-  case flow_eDrawType_DarkGray:
-  case flow_eDrawType_Line:
-  case flow_eDrawType_LineErase:
-  case flow_eDrawType_LineRed:
-  case flow_eDrawType_LineGray:
-  default:
-    painter->setBrush(QBrush(draw_type_to_color(draw_ctx, painter_type)));
-    painter->setBackground(QBrush(draw_ctx->background));
-    painter->setPen(QPen(painter->brush(), size + 1));
-    return painter;
   }
+  return painter;
 }
 
 static QColor flow_allocate_color(FlowDrawQt* draw_ctx, const char* named_color)

xtt/lib/glow/qt/glow_draw_qt.cqt

@@ -159,41 +159,23 @@ static unique_ptr<QPainter> get_painter(
     QPaintDevice* window, GlowDrawQt* draw_ctx, int painter_type, int size)
 {
   unique_ptr<QPainter> painter = new QPainter(window);
-  switch (painter_type) {
-  case glow_eDrawType_LineDashed:
-  case glow_eDrawType_LineDashedRed: {
-    painter->setBrush(QBrush(draw_type_to_color(draw_ctx, painter_type, size)));
-    painter->setBackground(QBrush(draw_ctx->background));
-    QPen pen = QPen(painter->brush(), size + 1, Qt::DashLine);
+  painter->setBrush(QBrush(draw_type_to_color(draw_ctx, painter_type, size)));
+  painter->setBackground(QBrush(draw_ctx->background));
+  painter->setPen(QPen(painter->brush(), size + 1));
+  if (painter_type == glow_eDrawType_LineDashed || painter_type == glow_eDrawType_LineDashedRed) {
+    QPen pen = painter->pen();
     QVector<double> dashes;
-    dashes << 7 + size << 7 + size;
+    dashes << (7 + size) / pen.widthF() << (7 + size) / pen.widthF();
     pen.setDashPattern(dashes);
     painter->setPen(pen);
-    return painter;
   }
-  case glow_eDrawType_TextHelvetica:
-  case glow_eDrawType_TextHelveticaBold:
-  case glow_eDrawType_TextHelveticaErase:
-  case glow_eDrawType_TextHelveticaEraseBold: {
-    painter->setBrush(QBrush(draw_type_to_color(draw_ctx, painter_type, size)));
-    painter->setPen(QPen(painter->brush(), size + 1));
-    painter->setBackground(QBrush(draw_ctx->background));
+  if (painter_type >= glow_eDrawType_TextHelvetica &&
+      painter_type <= glow_eDrawType_TextHelveticaEraseBold) {
     if (size > 0) {
       painter->setFont(get_font(glow_eFont_Helvetica, painter_type, size));
     }
-    return painter;
-  }
-  case glow_eDrawType_Line:
-  case glow_eDrawType_LineErase:
-  case glow_eDrawType_LineRed:
-  case glow_eDrawType_LineGray:
-  default: {
-    painter->setBrush(QBrush(draw_type_to_color(draw_ctx, painter_type, size)));
-    painter->setBackground(QBrush(draw_ctx->background));
-    painter->setPen(QPen(painter->brush(), size + 1));
-    return painter;
-  }
   }
+  return painter;
 }
 
 static QColor glow_allocate_named_color(