1 files changed, 135 insertions, 0 deletions
diff --git a/navit/gui/qt5_qml/backend.cpp b/navit/gui/qt5_qml/backend.cpp
new file mode 100644
index 000000000..89e92ffa9
--- /dev/null
+++ b/navit/gui/qt5_qml/backend.cpp
@@ -0,0 +1,135 @@
+#include "item.h"
+#include "attr.h"
+#include "navit.h"
+#include "map.h"
+#include "glib.h"
+#include "transform.h"
+#include "backend.h"
+
+#include "qml_map.h"
+#include "qml_poi.h"
+
+#include "mapset.h"
+
+#include <QQmlContext>
+
+
+Backend::Backend(QObject * parent):QObject(parent)
+{
+}
+
+void
+ Backend::showMenu(struct point *p)
+{
+	struct coord co;
+
+	transform_reverse(navit_get_trans(nav), p, &co);
+	dbg(lvl_debug, "Point 0x%x 0x%x\n", co.x, co.y);
+	dbg(lvl_debug, "Screen coord : %d %d\n", p->x, p->y);
+	transform_to_geo(transform_get_projection(navit_get_trans(nav)), &co, &(this->g));
+	dbg(lvl_debug, "%f %f\n", this->g.lat, this->g.lng);
+	dbg(lvl_debug, "%p %p\n", nav, &c);
+	this->c.pro = transform_get_projection(navit_get_trans(nav));
+	this->c.x = co.x;
+	this->c.y = co.y;
+	dbg(lvl_debug, "c : %x %x\n", this->c.x, this->c.y);
+
+	emit displayMenu();
+}
+
+void
+ Backend::list_maps(int cause)
+{
+	struct attr attr, on, off, description, type, data, active;
+	char * label;
+	bool is_active;
+	struct attr_iter * iter;
+	QList < QObject * >dataList;
+
+	iter = navit_attr_iter_new();
+	on.type = off.type = attr_active;
+	on.u.num = 1;
+	off.u.num = 0;
+	while (navit_get_attr(this->nav, attr_map, &attr, iter)) {
+		if (map_get_attr(attr.u.map, attr_description, &description, NULL)) {
+			label = g_strdup(description.u.str);
+		} else {
+			if (!map_get_attr(attr.u.map, attr_type, &type, NULL))
+				type.u.str = "";
+			if (!map_get_attr(attr.u.map, attr_data, &data, NULL))
+				data.u.str = "";
+			label = g_strdup_printf("%s:%s", type.u.str, data.u.str);
+		}
+		is_active = false;
+		if (map_get_attr(attr.u.map, attr_active, &active, NULL)) {
+			if (active.u.num == 1) {
+				is_active = true;
+			}
+		}
+		dataList.append(new MapObject(label, is_active));
+	}
+
+	this->engine->rootContext()->setContextProperty("maps", QVariant::fromValue(dataList));
+
+}
+
+void
+ Backend::set_navit(struct navit *nav)
+{
+	this->nav = nav;
+}
+
+void
+ Backend::set_engine(QQmlApplicationEngine * engine)
+{
+	this->engine = engine;
+}
+
+void
+ Backend::get_pois()
+{
+
+	struct map_selection * sel, * selm;
+	struct coord c, center;
+	struct mapset_handle * h;
+	struct map * m;
+	struct map_rect * mr;
+	struct item * item;
+	enum projection pro = this->c.pro;
+	int idist, dist;
+
+	QList < QObject * >dataList;
+
+	sel = map_selection_rect_new(&(this->c), dist * transform_scale(abs(this->c.y) + dist * 1.5), 18);
+	center.x = this->c.x;
+	center.y = this->c.y;
+
+	dbg(lvl_debug, "center is at %x, %x\n", center.x, center.y);
+
+	h = mapset_open(navit_get_mapset(this->nav));
+	while ((m = mapset_next(h, 1))) {
+		selm = map_selection_dup_pro(sel, pro, map_projection(m));
+		mr = map_rect_new(m, selm);
+		dbg(lvl_debug, "mr=%p\n", mr);
+		if (mr) {
+			while ((item = map_rect_get_item(mr))) {
+				struct attr
+				    attr;
+				char *
+				    label;
+				idist = transform_distance(pro, &center, &c);
+				if (item_attr_get(item, attr_label, &attr)) {
+					label = map_convert_string(item->map, attr.u.str);
+					dataList.append(new PoiObject(label, true, idist));
+				}
+			}
+			map_rect_destroy(mr);
+		}
+		map_selection_destroy(selm);
+	}
+	map_selection_destroy(sel);
+	mapset_close(h);
+
+	this->engine->rootContext()->setContextProperty("pois", QVariant::fromValue(dataList));
+
+}