Define auxiliary functions for metrics

Collect font, font metrics and icon size functions in a separate module.

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/qt-ui/metrics.cpp b/qt-ui/metrics.cpp
new file mode 100644
index 000000000..49e27849f
--- /dev/null
+++ b/qt-ui/metrics.cpp
@@ -0,0 +1,32 @@
+/*
+ * metrics.cpp
+ *
+ * methods to find/compute essential UI metrics
+ * (font properties, icon sizes, etc)
+ *
+ */
+
+#include "metrics.h"
+
+QFont defaultModelFont()
+{
+	QFont font;
+//	font.setPointSizeF(font.pointSizeF() * 0.8);
+	return font;
+}
+
+QFontMetrics defaultModelFontMetrics()
+{
+	return QFontMetrics(defaultModelFont());
+}
+
+// return the default icon size, computed as the multiple of 16 closest to
+// the given height
+int defaultIconSize(int height)
+{
+	int ret = (height + 8)/16;
+	ret *= 16;
+	if (ret < 16)
+		ret = 16;
+	return ret;
+}