X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Fruler.cc;h=9c1f78253fbf8b9084659b7afb7c55ead4e704f5;hb=e73755f8fb27c41a552acb4f8f6dedb6acbe8f32;hp=120ba845a5550d7a8d94a5e2c79ffddaefdcd98f;hpb=e5e12acc5698090f2c0c614385e457cc0b46fbb0;p=ardour.git

diff --git a/libs/canvas/ruler.cc b/libs/canvas/ruler.cc
index 120ba845a5..9c1f78253f 100644
--- a/libs/canvas/ruler.cc
+++ b/libs/canvas/ruler.cc
@@ -33,36 +33,44 @@ using namespace ArdourCanvas;
 
 Ruler::Ruler (Canvas* c, const Metric& m)
 	: Rectangle (c)
-	, _metric (m)
+	, _metric (&m)
 	, _lower (0)
 	, _upper (0)
+	, _divide_height (-1.0)
+	, _font_description (0)
 	, _need_marks (true)
 {
 }
 
 Ruler::Ruler (Canvas* c, const Metric& m, Rect const& r)
 	: Rectangle (c, r)
-	, _metric (m)
+	, _metric (&m)
 	, _lower (0)
 	, _upper (0)
+	, _divide_height (-1.0)
+	, _font_description (0)
 	, _need_marks (true)
 {
 }
 
 Ruler::Ruler (Item* parent, const Metric& m)
 	: Rectangle (parent)
-	, _metric (m)
+	, _metric (&m)
 	, _lower (0)
 	, _upper (0)
+	, _divide_height (-1.0)
+	, _font_description (0)
 	, _need_marks (true)
 {
 }
 
 Ruler::Ruler (Item* parent, const Metric& m, Rect const& r)
 	: Rectangle (parent, r)
-	, _metric (m)
+	, _metric (&m)
 	, _lower (0)
 	, _upper (0)
+	, _divide_height (-1.0)
+	, _font_description (0)
 	, _need_marks (true)
 {
 }
@@ -81,6 +89,7 @@ void
 Ruler::set_font_description (Pango::FontDescription fd)
 {
 	begin_visual_change ();
+	delete _font_description;
 	_font_description = new Pango::FontDescription (fd);
 	end_visual_change ();
 }
@@ -94,19 +103,19 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 	}
 
 	Rect self (item_to_window (get()));
-	boost::optional<Rect> i = self.intersection (area);
+	Rect i = self.intersection (area);
 
 	if (!i) {
 		return;
 	}
 
-	Rect intersection (i.get());
+	Rect intersection (i);
 
 	Distance height = self.height();
 
 	if (_need_marks) {
 		marks.clear ();
-		_metric.get_marks (marks, _lower, _upper, 50);
+		_metric->get_marks (marks, _lower, _upper, 50);
 		_need_marks = false;
 	}
 
@@ -133,7 +142,7 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 	cr->stroke ();
 
 	/* draw ticks + text */
-	
+
 	Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (cr);
 	if (_font_description) {
 		layout->set_font_description (*_font_description);
@@ -142,7 +151,7 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 	for (vector<Mark>::const_iterator m = marks.begin(); m != marks.end(); ++m) {
 		Duple pos;
 
-		pos.x = floor ((m->position - _lower) / _metric.units_per_pixel);
+		pos.x = floor ((m->position - _lower) / _metric->units_per_pixel);
 		pos.y = self.y1; /* bottom edge */
 
 		if (_outline_width == 1.0) {
@@ -151,17 +160,21 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 		} else {
 			cr->move_to (pos.x, pos.y);
 		}
-		
+
 		switch (m->style) {
-		case Mark::Major:
-			cr->rel_line_to (0, -height);
-			break;
-		case Mark::Minor:
-			cr->rel_line_to (0, -height/2.0);
-			break;
-		case Mark::Micro:
-			cr->rel_line_to (0, -height/4.0);
-			break;
+			case Mark::Major:
+				if (_divide_height >= 0) {
+					cr->rel_line_to (0, -_divide_height);
+				} else {
+					cr->rel_line_to (0, -height);
+				}
+				break;
+			case Mark::Minor:
+				cr->rel_line_to (0, -height/3.0);
+				break;
+			case Mark::Micro:
+				cr->rel_line_to (0, -height/5.0);
+				break;
 		}
 		cr->stroke ();
 
@@ -172,11 +185,53 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 
 			layout->set_text (m->label);
 			logical = layout->get_pixel_logical_extents ();
-			
-			cr->move_to (pos.x + 2.0, self.y0 + logical.get_y());
+
+			if (_divide_height >= 0) {
+				cr->move_to (pos.x + 2.0, self.y0 + _divide_height + logical.get_y() + 2.0); /* 2 pixel padding below divider */
+			} else {
+				cr->move_to (pos.x + 2.0, self.y0 + logical.get_y() + .5 * (height - logical.get_height()));
+			}
 			layout->show_in_cairo_context (cr);
 		}
 	}
 
+	if (_divide_height >= 0.0) {
+
+		cr->set_line_width (1.0);
+
+		set_source_rgba (cr, _divider_color_top);
+		cr->move_to (self.x0, self.y0 + _divide_height-1.0+0.5);
+		cr->line_to (self.x1, self.y0 + _divide_height-1.0+0.5);
+		cr->stroke ();
+
+		set_source_rgba (cr, _divider_color_bottom);
+		cr->move_to (self.x0, self.y0 + _divide_height+0.5);
+		cr->line_to (self.x1, self.y0 + _divide_height+0.5);
+		cr->stroke ();
+
+
+	}
+
 	/* done! */
 }
+
+void
+Ruler::set_divide_height (double h)
+{
+        _divide_height = h;
+}
+
+void
+Ruler::set_divide_colors (Color t, Color b)
+{
+        _divider_color_bottom = b;
+        _divider_color_top = t;
+}
+
+void
+Ruler::set_metric (const Metric& m)
+{
+        _metric = &m;
+        _need_marks = true;
+        redraw ();
+}