add [missing] left_half_rectangle util

2 files changed, 22 insertions, 0 deletions

diff --git a/libs/gtkmm2ext/gtkmm2ext/utils.h b/libs/gtkmm2ext/gtkmm2ext/utils.h
index 0bde3cb562..aac1973f96 100644
--- a/libs/gtkmm2ext/gtkmm2ext/utils.h
+++ b/libs/gtkmm2ext/gtkmm2ext/utils.h
@@ -102,6 +102,7 @@ namespace Gtkmm2ext {
 	void rounded_top_half_rectangle (Cairo::RefPtr<Cairo::Context>, double x, double y, double w, double h, double r=10);
 	void rounded_bottom_half_rectangle (Cairo::RefPtr<Cairo::Context>, double x, double y, double w, double h, double r=10);
 	void rounded_right_half_rectangle (Cairo::RefPtr<Cairo::Context>, double x, double y, double w, double h, double r=10);
+	void rounded_left_half_rectangle (Cairo::RefPtr<Cairo::Context>, double x, double y, double w, double h, double r=10);
 
 	/* C API for rounded rectangles */
 
@@ -112,6 +113,7 @@ namespace Gtkmm2ext {
 	void rounded_top_half_rectangle (cairo_t*, double x, double y, double w, double h, double r=10);
 	void rounded_bottom_half_rectangle (cairo_t*, double x, double y, double w, double h, double r=10);
 	void rounded_right_half_rectangle (cairo_t*, double x, double y, double w, double h, double r=10);
+	void rounded_left_half_rectangle (cairo_t*, double x, double y, double w, double h, double r=10);
 
 	Gtk::Label* left_aligned_label (std::string const &);
 
diff --git a/libs/gtkmm2ext/utils.cc b/libs/gtkmm2ext/utils.cc
index f0a09d5685..1fec597fba 100644
--- a/libs/gtkmm2ext/utils.cc
+++ b/libs/gtkmm2ext/utils.cc
@@ -415,6 +415,13 @@ Gtkmm2ext::rounded_bottom_half_rectangle (Cairo::RefPtr<Cairo::Context> context,
 {
 	rounded_bottom_half_rectangle (context->cobj(), x, y, w, h, r);
 }
+
+void
+Gtkmm2ext::rounded_left_half_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
+{
+	rounded_left_half_rectangle (context->cobj(), x, y, w, h, r);
+}
+
 void
 Gtkmm2ext::rounded_right_half_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
 {
@@ -435,6 +442,19 @@ Gtkmm2ext::rounded_rectangle (cairo_t* cr, double x, double y, double w, double
 }
 
 void
+Gtkmm2ext::rounded_left_half_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
+{
+	double degrees = M_PI / 180.0;
+
+	cairo_new_sub_path (cr);
+	cairo_line_to (cr, x+w, y); // tr
+	cairo_line_to (cr, x+w, y + h); // br
+	cairo_arc (cr, x + r, y + h - r, r, 90 * degrees, 180 * degrees);  //bl
+	cairo_arc (cr, x + r, y + r, r, 180 * degrees, 270 * degrees);  //tl
+	cairo_close_path (cr);
+}
+
+void
 Gtkmm2ext::rounded_right_half_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
 {
 	double degrees = M_PI / 180.0;