X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogressbar.cpp;fp=source%2Fprogressbar.cpp;h=aed83c3e7212c7d727d964edbe9b46cc5cc872ea;hb=9f032a71201e6ad964e46a2a06c4003503b7dd54;hp=0000000000000000000000000000000000000000;hpb=43625734822bdaaea4e42505b7040d404298721c;p=libs%2Fgltk.git

diff --git a/source/progressbar.cpp b/source/progressbar.cpp
new file mode 100644
index 0000000..aed83c3
--- /dev/null
+++ b/source/progressbar.cpp
@@ -0,0 +1,63 @@
+#include <msp/gl/meshbuilder.h>
+#include "graphic.h"
+#include "part.h"
+#include "progressbar.h"
+
+using namespace std;
+
+namespace Msp {
+namespace GLtk {
+
+ProgressBar::ProgressBar():
+	range(1),
+	fraction(0)
+{ }
+
+void ProgressBar::set_range(float r)
+{
+	if(r<=0)
+		throw invalid_argument("ProgressBar::set_range");
+
+	range = r;
+	mark_rebuild();
+}
+
+void ProgressBar::set_value(float v)
+{
+	if(v<0 || v>range)
+		throw invalid_argument("ProgressBar::set_value");
+
+	fraction = v/range;
+	mark_rebuild();
+}
+
+void ProgressBar::autosize_special(const Part &part, Geometry &ageom) const
+{
+	const Geometry &pgeom = part.get_geometry();
+	const Sides &pmargin = part.get_margin();
+	ageom.w = max(ageom.w, pgeom.w+pmargin.left+pmargin.right);
+	ageom.h = max(ageom.h, pgeom.h+pmargin.top+pmargin.bottom);
+}
+
+void ProgressBar::rebuild_special(const Part &part)
+{
+	if(part.get_name()=="bar")
+	{
+		const Graphic *graphic = part.get_graphic(state);
+		if(!graphic || !graphic->get_texture())
+			return;
+
+		Geometry rgeom = part.get_geometry();
+		Alignment align = part.get_alignment();
+		align.w += (1-align.w)*fraction;
+		align.h += (1-align.h)*fraction;
+		align.apply(rgeom, geom, part.get_margin());
+
+		GL::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture()));
+		bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
+		graphic->build(rgeom.w, rgeom.h, bld);
+	}
+}
+
+} // namespace GLtk
+} // namespace Msp