/*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
+ * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <glib.h>
+#include <config.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
#include "gis-marshal.h"
-#include "gis-view.h"
+#include "gis-viewer.h"
+
+#include "gis-util.h"
+
/* Constants */
-enum {
- PROP_0,
- PROP_TIME,
- PROP_SITE,
- PROP_OFFLINE,
-};
enum {
SIG_TIME_CHANGED,
- SIG_SITE_CHANGED,
SIG_LOCATION_CHANGED,
SIG_ROTATION_CHANGED,
SIG_REFRESH,
};
static guint signals[NUM_SIGNALS];
+
+/***********
+ * Helpers *
+ ***********/
/* Misc helpers */
-static void _gis_view_fix_location(GisView *self)
+static void _gis_viewer_fix_location(GisViewer *self)
{
while (self->location[0] < -90) self->location[0] += 180;
while (self->location[0] > 90) self->location[0] -= 180;
}
/* Signal helpers */
-static void _gis_view_emit_location_changed(GisView *self)
+static void _gis_viewer_emit_location_changed(GisViewer *self)
{
g_signal_emit(self, signals[SIG_LOCATION_CHANGED], 0,
self->location[0],
self->location[1],
self->location[2]);
}
-static void _gis_view_emit_rotation_changed(GisView *self)
+static void _gis_viewer_emit_rotation_changed(GisViewer *self)
{
g_signal_emit(self, signals[SIG_ROTATION_CHANGED], 0,
self->rotation[0],
self->rotation[1],
self->rotation[2]);
}
-static void _gis_view_emit_time_changed(GisView *self)
+static void _gis_viewer_emit_time_changed(GisViewer *self)
{
g_signal_emit(self, signals[SIG_TIME_CHANGED], 0,
self->time);
}
-static void _gis_view_emit_site_changed(GisView *self)
+static void _gis_viewer_emit_refresh(GisViewer *self)
{
- g_signal_emit(self, signals[SIG_SITE_CHANGED], 0,
- self->site);
+ g_signal_emit(self, signals[SIG_REFRESH], 0);
}
-static void _gis_world_emit_refresh(GisWorld *world)
+static void _gis_viewer_emit_offline(GisViewer *self)
{
- g_signal_emit(world, signals[SIG_REFRESH], 0);
+ g_signal_emit(self, signals[SIG_OFFLINE], 0,
+ self->offline);
}
-static void _gis_world_emit_offline(GisWorld *world)
+
+/*************
+ * Callbacks *
+ *************/
+static gboolean on_button_press(GisViewer *self, GdkEventButton *event, gpointer _)
{
- g_signal_emit(world, signals[SIG_OFFLINE], 0,
- world->offline);
+ g_debug("GisViewer: on_button_press - Grabbing focus");
+ gtk_widget_grab_focus(GTK_WIDGET(self));
+ return TRUE;
}
+static gboolean on_key_press(GisViewer *self, GdkEventKey *event, gpointer _)
+{
+ g_debug("GisViewer: on_key_press - key=%x, state=%x, plus=%x",
+ event->keyval, event->state, GDK_plus);
+ double lat, lon, elev, pan;
+ gis_viewer_get_location(self, &lat, &lon, &elev);
+ pan = MIN(elev/(EARTH_R/2), 30);
+ guint kv = event->keyval;
+ gdk_threads_leave();
+ if (kv == GDK_Left || kv == GDK_h) gis_viewer_pan(self, 0, -pan, 0);
+ else if (kv == GDK_Down || kv == GDK_j) gis_viewer_pan(self, -pan, 0, 0);
+ else if (kv == GDK_Up || kv == GDK_k) gis_viewer_pan(self, pan, 0, 0);
+ else if (kv == GDK_Right || kv == GDK_l) gis_viewer_pan(self, 0, pan, 0);
+ else if (kv == GDK_minus || kv == GDK_o) gis_viewer_zoom(self, 10./9);
+ else if (kv == GDK_plus || kv == GDK_i) gis_viewer_zoom(self, 9./10);
+ else if (kv == GDK_H) gis_viewer_rotate(self, 0, 0, -2);
+ else if (kv == GDK_J) gis_viewer_rotate(self, 2, 0, 0);
+ else if (kv == GDK_K) gis_viewer_rotate(self, -2, 0, 0);
+ else if (kv == GDK_L) gis_viewer_rotate(self, 0, 0, 2);
+ return FALSE;
+}
+static void on_view_changed(GisViewer *self,
+ gdouble _1, gdouble _2, gdouble _3)
+{
+ gtk_widget_queue_draw(GTK_WIDGET(self));
+}
/***********
* Methods *
***********/
-GisView *gis_view_new()
-{
- g_debug("GisView: new");
- return g_object_new(GIS_TYPE_VIEW, NULL);
-}
-
-void gis_view_set_time(GisView *self, const char *time)
+void gis_viewer_set_time(GisViewer *self, const char *time)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: set_time - time=%s", time);
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: set_time - time=%s", time);
g_free(self->time);
self->time = g_strdup(time);
- _gis_view_emit_time_changed(self);
+ _gis_viewer_emit_time_changed(self);
}
-gchar *gis_view_get_time(GisView *self)
+gchar *gis_viewer_get_time(GisViewer *self)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: get_time");
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: get_time");
return self->time;
}
-void gis_view_set_location(GisView *self, gdouble lat, gdouble lon, gdouble elev)
+void gis_viewer_set_location(GisViewer *self, gdouble lat, gdouble lon, gdouble elev)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: set_location");
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: set_location");
self->location[0] = lat;
self->location[1] = lon;
self->location[2] = elev;
- _gis_view_fix_location(self);
- _gis_view_emit_location_changed(self);
+ _gis_viewer_fix_location(self);
+ _gis_viewer_emit_location_changed(self);
}
-void gis_view_get_location(GisView *self, gdouble *lat, gdouble *lon, gdouble *elev)
+void gis_viewer_get_location(GisViewer *self, gdouble *lat, gdouble *lon, gdouble *elev)
{
- g_assert(GIS_IS_VIEW(self));
- //g_debug("GisView: get_location");
+ g_assert(GIS_IS_VIEWER(self));
+ //g_debug("GisViewer: get_location");
*lat = self->location[0];
*lon = self->location[1];
*elev = self->location[2];
}
-void gis_view_pan(GisView *self, gdouble lat, gdouble lon, gdouble elev)
+void gis_viewer_pan(GisViewer *self, gdouble lat, gdouble lon, gdouble elev)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: pan - lat=%8.3f, lon=%8.3f, elev=%8.3f", lat, lon, elev);
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: pan - lat=%8.3f, lon=%8.3f, elev=%8.3f", lat, lon, elev);
self->location[0] += lat;
self->location[1] += lon;
self->location[2] += elev;
- _gis_view_fix_location(self);
- _gis_view_emit_location_changed(self);
+ _gis_viewer_fix_location(self);
+ _gis_viewer_emit_location_changed(self);
}
-void gis_view_zoom(GisView *self, gdouble scale)
+void gis_viewer_zoom(GisViewer *self, gdouble scale)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: zoom");
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: zoom");
self->location[2] *= scale;
- _gis_view_emit_location_changed(self);
+ _gis_viewer_emit_location_changed(self);
}
-void gis_view_set_rotation(GisView *self, gdouble x, gdouble y, gdouble z)
+void gis_viewer_set_rotation(GisViewer *self, gdouble x, gdouble y, gdouble z)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: set_rotation");
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: set_rotation");
self->rotation[0] = x;
self->rotation[1] = y;
self->rotation[2] = z;
- _gis_view_emit_rotation_changed(self);
+ _gis_viewer_emit_rotation_changed(self);
}
-void gis_view_get_rotation(GisView *self, gdouble *x, gdouble *y, gdouble *z)
+void gis_viewer_get_rotation(GisViewer *self, gdouble *x, gdouble *y, gdouble *z)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: get_rotation");
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: get_rotation");
*x = self->rotation[0];
*y = self->rotation[1];
*z = self->rotation[2];
}
-void gis_view_rotate(GisView *self, gdouble x, gdouble y, gdouble z)
+void gis_viewer_rotate(GisViewer *self, gdouble x, gdouble y, gdouble z)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: rotate - x=%.0f, y=%.0f, z=%.0f", x, y, z);
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: rotate - x=%.0f, y=%.0f, z=%.0f", x, y, z);
self->rotation[0] += x;
self->rotation[1] += y;
self->rotation[2] += z;
- _gis_view_emit_rotation_changed(self);
+ _gis_viewer_emit_rotation_changed(self);
+}
+
+void gis_viewer_refresh(GisViewer *self)
+{
+ g_debug("GisViewer: refresh");
+ _gis_viewer_emit_refresh(self);
+}
+
+void gis_viewer_set_offline(GisViewer *self, gboolean offline)
+{
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: set_offline - %d", offline);
+ self->offline = offline;
+ _gis_viewer_emit_offline(self);
+}
+
+gboolean gis_viewer_get_offline(GisViewer *self)
+{
+ g_assert(GIS_IS_VIEWER(self));
+ g_debug("GisViewer: get_offline - %d", self->offline);
+ return self->offline;
+}
+
+/* To be implemented by subclasses */
+void gis_viewer_center_position(GisViewer *self,
+ gdouble lat, gdouble lon, gdouble elev)
+{
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->center_position)
+ g_warning("GisViewer: center_position - Unimplemented");
+ klass->center_position(self, lat, lon, elev);
}
-/* To be deprecated, use {get,set}_location */
-void gis_view_set_site(GisView *self, const gchar *site)
+void gis_viewer_project(GisViewer *self,
+ gdouble lat, gdouble lon, gdouble elev,
+ gdouble *px, gdouble *py, gdouble *pz)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: set_site");
- g_free(self->site);
- self->site = g_strdup(site);
- _gis_view_emit_site_changed(self);
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->project)
+ g_warning("GisViewer: project - Unimplemented");
+ klass->project(self, lat, lon, elev, px, py, pz);
}
-gchar *gis_view_get_site(GisView *self)
+void gis_viewer_clear_height_func(GisViewer *self)
{
- g_assert(GIS_IS_VIEW(self));
- g_debug("GisView: get_site - %s", self->site);
- return self->site;
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->clear_height_func)
+ g_warning("GisViewer: clear_height_func - Unimplemented");
+ klass->clear_height_func(self);
}
-void gis_world_refresh(GisWorld *world)
+void gis_viewer_set_height_func(GisViewer *self, GisTile *tile,
+ GisHeightFunc height_func, gpointer user_data,
+ gboolean update)
{
- g_debug("GisWorld: refresh");
- _gis_world_emit_refresh(world);
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->set_height_func)
+ g_warning("GisViewer: set_height_func - Unimplemented");
+ klass->set_height_func(self, tile, height_func, user_data, update);
}
-void gis_world_set_offline(GisWorld *world, gboolean offline)
+void gis_viewer_render_tile(GisViewer *self, GisTile *tile)
{
- g_assert(GIS_IS_WORLD(world));
- g_debug("GisWorld: set_offline - %d", offline);
- world->offline = offline;
- _gis_world_emit_offline(world);
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->render_tile)
+ g_warning("GisViewer: render_tile - Unimplemented");
+ klass->render_tile(self, tile);
}
-gboolean gis_world_get_offline(GisWorld *world)
+void gis_viewer_render_tiles(GisViewer *self, GisTile *root)
{
- g_assert(GIS_IS_WORLD(world));
- g_debug("GisWorld: get_offline - %d", world->offline);
- return world->offline;
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->render_tiles)
+ g_warning("GisViewer: render_tiles - Unimplemented");
+ klass->render_tiles(self, root);
}
+void gis_viewer_begin(GisViewer *self)
+{
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->begin)
+ g_warning("GisViewer: begin - Unimplemented");
+ klass->begin(self);
+}
+
+void gis_viewer_end(GisViewer *self)
+{
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->end)
+ g_warning("GisViewer: end - Unimplemented");
+ klass->end(self);
+}
+
+gpointer gis_viewer_add(GisViewer *self, GisObject *object,
+ gint level, gboolean sort)
+{
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->add)
+ g_warning("GisViewer: add - Unimplemented");
+ return klass->add(self, object, level, sort);
+}
+
+void gis_viewer_remove(GisViewer *self, gpointer ref)
+{
+ GisViewerClass *klass = GIS_VIEWER_GET_CLASS(self);
+ if (!klass->remove)
+ g_warning("GisViewer: remove - Unimplemented");
+ klass->remove(self, ref);
+}
/****************
* GObject code *
****************/
-G_DEFINE_TYPE(GisView, gis_view, G_TYPE_OBJECT);
-static void gis_view_init(GisView *self)
+G_DEFINE_ABSTRACT_TYPE(GisViewer, gis_viewer, GTK_TYPE_DRAWING_AREA);
+static void gis_viewer_init(GisViewer *self)
{
- g_debug("GisView: init");
+ g_debug("GisViewer: init");
/* Default values */
self->time = g_strdup("");
- self->site = g_strdup("");
self->location[0] = 40;
self->location[1] = -100;
self->location[2] = 1.5*EARTH_R;
self->rotation[0] = 0;
self->rotation[1] = 0;
self->rotation[2] = 0;
+
+ g_signal_connect(self, "key-press-event", G_CALLBACK(on_key_press), NULL);
+ g_signal_connect(self, "button-press-event", G_CALLBACK(on_button_press), NULL);
+
+ g_signal_connect(self, "location-changed", G_CALLBACK(on_view_changed), NULL);
+ g_signal_connect(self, "rotation-changed", G_CALLBACK(on_view_changed), NULL);
}
-static void gis_view_dispose(GObject *gobject)
+static void gis_viewer_finalize(GObject *gobject)
{
- g_debug("GisView: dispose");
- /* Drop references to other GObjects */
- G_OBJECT_CLASS(gis_view_parent_class)->dispose(gobject);
+ g_debug("GisViewer: finalize");
+ GisViewer *self = GIS_VIEWER(gobject);
+ g_free(self->time);
+ G_OBJECT_CLASS(gis_viewer_parent_class)->finalize(gobject);
}
-static void gis_view_finalize(GObject *gobject)
+static void gis_viewer_class_init(GisViewerClass *klass)
{
- 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;
- case PROP_OFFLINE: gis_view_set_site(self, g_value_get_boolean(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;
- case PROP_OFFLINE: g_value_set_boolean(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");
+ g_debug("GisViewer: 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));
- g_object_class_install_property(gobject_class, PROP_OFFLINE,
- g_param_spec_pointer(
- "offline",
- "whether the viewer should access the network",
- "Offline state of the viewer. If set to true, the viewer will not access the network",
- G_PARAM_READWRITE));
+ gobject_class->finalize = gis_viewer_finalize;
signals[SIG_TIME_CHANGED] = g_signal_new(
"time-changed",
G_TYPE_FROM_CLASS(gobject_class),
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),
projects / grits / blobdiff