--- /dev/null
+/*
+ * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <glib.h>
+
+#include "marshal.h"
+#include "gis-view.h"
+
+/****************
+ * GObject code *
+ ****************/
+/* Constants */
+enum {
+ PROP_0,
+ PROP_TIME,
+ PROP_SITE,
+};
+enum {
+ SIG_TIME_CHANGED,
+ SIG_SITE_CHANGED,
+ SIG_LOCATION_CHANGED,
+ SIG_ROTATION_CHANGED,
+ NUM_SIGNALS,
+};
+static guint signals[NUM_SIGNALS];
+
+/* Class/Object init */
+G_DEFINE_TYPE(GisView, gis_view, G_TYPE_OBJECT);
+static void gis_view_init(GisView *self)
+{
+ g_debug("GisView: init");
+ /* Default values */
+ self->time = g_strdup("");
+ self->site = g_strdup("");
+ self->location[0] = 0;
+ self->location[1] = 0;
+ self->location[2] = -300*1000;
+ self->rotation[0] = 0;
+ self->rotation[1] = 0;
+ self->rotation[2] = 0;
+}
+static void gis_view_dispose(GObject *gobject)
+{
+ g_debug("GisView: dispose");
+ /* Drop references to other GObjects */
+ G_OBJECT_CLASS(gis_view_parent_class)->dispose(gobject);
+}
+static void gis_view_finalize(GObject *gobject)
+{
+ g_debug("GisView: finalize");
+ GisView *self = GIS_VIEW(gobject);
+ g_free(self->time);
+ g_free(self->site);
+ G_OBJECT_CLASS(gis_view_parent_class)->finalize(gobject);
+}
+static void gis_view_set_property(GObject *object, guint property_id,
+ const GValue *value, GParamSpec *pspec)
+{
+ g_debug("GisView: set_property");
+ GisView *self = GIS_VIEW(object);
+ switch (property_id) {
+ case PROP_TIME: gis_view_set_time(self, g_value_get_string(value)); break;
+ case PROP_SITE: gis_view_set_site(self, g_value_get_string(value)); break;
+ default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
+ }
+}
+static void gis_view_get_property(GObject *object, guint property_id,
+ GValue *value, GParamSpec *pspec)
+{
+ g_debug("GisView: get_property");
+ GisView *self = GIS_VIEW(object);
+ switch (property_id) {
+ case PROP_TIME: g_value_set_string(value, gis_view_get_time(self)); break;
+ case PROP_SITE: g_value_set_string(value, gis_view_get_site(self)); break;
+ default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
+ }
+}
+static void gis_view_class_init(GisViewClass *klass)
+{
+ g_debug("GisView: class_init");
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+ gobject_class->dispose = gis_view_dispose;
+ gobject_class->finalize = gis_view_finalize;
+ gobject_class->get_property = gis_view_get_property;
+ gobject_class->set_property = gis_view_set_property;
+ g_object_class_install_property(gobject_class, PROP_TIME,
+ g_param_spec_pointer(
+ "time",
+ "time of the current frame",
+ "(format unknown)",
+ G_PARAM_READWRITE));
+ g_object_class_install_property(gobject_class, PROP_SITE,
+ g_param_spec_pointer(
+ "site",
+ "site seen by the viewport",
+ "Site of the viewport. Currently this is the name of the radar site.",
+ G_PARAM_READWRITE));
+ signals[SIG_TIME_CHANGED] = g_signal_new(
+ "time-changed",
+ G_TYPE_FROM_CLASS(gobject_class),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__STRING,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_STRING);
+ signals[SIG_SITE_CHANGED] = g_signal_new(
+ "site-changed",
+ G_TYPE_FROM_CLASS(gobject_class),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__STRING,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_STRING);
+ signals[SIG_LOCATION_CHANGED] = g_signal_new(
+ "location-changed",
+ G_TYPE_FROM_CLASS(gobject_class),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ aweather_cclosure_marshal_VOID__DOUBLE_DOUBLE_DOUBLE,
+ G_TYPE_NONE,
+ 3,
+ G_TYPE_DOUBLE,
+ G_TYPE_DOUBLE,
+ G_TYPE_DOUBLE);
+ signals[SIG_ROTATION_CHANGED] = g_signal_new(
+ "rotation-changed",
+ G_TYPE_FROM_CLASS(gobject_class),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ aweather_cclosure_marshal_VOID__DOUBLE_DOUBLE_DOUBLE,
+ G_TYPE_NONE,
+ 3,
+ G_TYPE_DOUBLE,
+ G_TYPE_DOUBLE,
+ G_TYPE_DOUBLE);
+}
+
+/* Signal helpers */
+static void _gis_view_emit_location_changed(GisView *view)
+{
+ g_signal_emit(view, signals[SIG_LOCATION_CHANGED], 0,
+ view->location[0],
+ view->location[1],
+ view->location[2]);
+}
+static void _gis_view_emit_rotation_changed(GisView *view)
+{
+ g_signal_emit(view, signals[SIG_ROTATION_CHANGED], 0,
+ view->rotation[0],
+ view->rotation[1],
+ view->rotation[2]);
+}
+static void _gis_view_emit_time_changed(GisView *view)
+{
+ g_signal_emit(view, signals[SIG_TIME_CHANGED], 0,
+ view->time);
+}
+static void _gis_view_emit_site_changed(GisView *view)
+{
+ g_signal_emit(view, signals[SIG_SITE_CHANGED], 0,
+ view->site);
+}
+
+
+/***********
+ * Methods *
+ ***********/
+GisView *gis_view_new()
+{
+ g_debug("GisView: new");
+ return g_object_new(GIS_TYPE_VIEW, NULL);
+}
+
+void gis_view_set_time(GisView *view, const char *time)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: set_time - time=%s", time);
+ g_free(view->time);
+ view->time = g_strdup(time);
+ _gis_view_emit_time_changed(view);
+}
+
+gchar *gis_view_get_time(GisView *view)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: get_time");
+ return view->time;
+}
+
+void gis_view_set_location(GisView *view, gdouble x, gdouble y, gdouble z)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: set_location");
+ view->location[0] = x;
+ view->location[1] = y;
+ view->location[2] = z;
+ _gis_view_emit_location_changed(view);
+}
+
+void gis_view_get_location(GisView *view, gdouble *x, gdouble *y, gdouble *z)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: get_location");
+ *x = view->location[0];
+ *y = view->location[1];
+ *z = view->location[2];
+}
+
+void gis_view_pan(GisView *view, gdouble x, gdouble y, gdouble z)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: pan - x=%.0f, y=%.0f, z=%.0f", x, y, z);
+ view->location[0] += x;
+ view->location[1] += y;
+ view->location[2] += z;
+ _gis_view_emit_location_changed(view);
+}
+
+void gis_view_zoom(GisView *view, gdouble scale)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: zoom");
+ view->location[2] *= scale;
+ _gis_view_emit_location_changed(view);
+}
+
+void gis_view_set_rotation(GisView *view, gdouble x, gdouble y, gdouble z)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: set_rotation");
+ view->rotation[0] = x;
+ view->rotation[1] = y;
+ view->rotation[2] = z;
+ _gis_view_emit_rotation_changed(view);
+}
+
+void gis_view_get_rotation(GisView *view, gdouble *x, gdouble *y, gdouble *z)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: get_rotation");
+ *x = view->rotation[0];
+ *y = view->rotation[1];
+ *z = view->rotation[2];
+}
+
+void gis_view_rotate(GisView *view, gdouble x, gdouble y, gdouble z)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: rotate - x=%.0f, y=%.0f, z=%.0f", x, y, z);
+ view->rotation[0] += x;
+ view->rotation[1] += y;
+ view->rotation[2] += z;
+ _gis_view_emit_rotation_changed(view);
+}
+
+/* To be deprecated, use {get,set}_location */
+void gis_view_set_site(GisView *view, const gchar *site)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: set_site");
+ g_free(view->site);
+ view->site = g_strdup(site);
+ _gis_view_emit_site_changed(view);
+}
+
+gchar *gis_view_get_site(GisView *view)
+{
+ g_assert(GIS_IS_VIEW(view));
+ g_debug("GisView: get_site");
+ return view->site;
+}
projects / aweather / blobdiff