/*
* 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/>.
*/
+/* Tessellation, "finding intersecting triangles" */
+/* http://research.microsoft.com/pubs/70307/tr-2006-81.pdf */
+/* http://www.opengl.org/wiki/Alpha_Blending */
+
#include <config.h>
#include <math.h>
#include <gdk/gdkkeysyms.h>
#include <GL/gl.h>
#include <GL/glu.h>
-#include "misc.h"
-#include "aweather-gui.h"
-#include "gis-world.h"
-#include "gis-view.h"
#include "gis-opengl.h"
+#include "roam.h"
-/****************
- * GObject code *
- ****************/
-G_DEFINE_TYPE(GisOpenGL, gis_opengl, G_TYPE_OBJECT);
-static void gis_opengl_init(GisOpenGL *self)
-{
- g_debug("GisOpenGL: init");
-}
-static GObject *gis_opengl_constructor(GType gtype, guint n_properties,
- GObjectConstructParam *properties)
-{
- g_debug("gis_opengl: constructor");
- GObjectClass *parent_class = G_OBJECT_CLASS(gis_opengl_parent_class);
- return parent_class->constructor(gtype, n_properties, properties);
-}
-static void gis_opengl_dispose(GObject *gobject)
-{
- g_debug("GisOpenGL: dispose");
- GisOpenGL *self = GIS_OPENGL(gobject);
- if (self->world) {
- g_object_unref(self->world);
- self->world = NULL;
- }
- if (self->view) {
- g_object_unref(self->view);
- self->view = NULL;
- }
- if (self->drawing) {
- g_object_unref(self->drawing);
- self->drawing = NULL;
- }
- G_OBJECT_CLASS(gis_opengl_parent_class)->dispose(gobject);
-}
-static void gis_opengl_finalize(GObject *gobject)
-{
- g_debug("GisOpenGL: finalize");
- G_OBJECT_CLASS(gis_opengl_parent_class)->finalize(gobject);
- gtk_main_quit();
+#define FOV_DIST 2000.0
+#define MPPX(dist) (4*dist/FOV_DIST)
-}
-static void gis_opengl_class_init(GisOpenGLClass *klass)
-{
- g_debug("GisOpenGL: class_init");
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
- gobject_class->constructor = gis_opengl_constructor;
- gobject_class->dispose = gis_opengl_dispose;
- gobject_class->finalize = gis_opengl_finalize;
-}
+// #define ROAM_DEBUG
/*************
- * Callbacks *
+ * ROAM Code *
*************/
-gboolean on_button_press(GtkWidget *widget, GdkEventButton *event, GisOpenGL *self)
+static void set_visuals(GisOpenGL *self)
{
- g_debug("GisOpenGL: on_drawing_button_press - Grabbing focus");
- gtk_widget_grab_focus(GTK_WIDGET(self->drawing));
- return TRUE;
-}
-gboolean on_key_press(GtkWidget *widget, GdkEventKey *event, GisOpenGL *self)
-{
- g_debug("GisOpenGL: on_drawing_key_press - key=%x, state=%x, plus=%x",
- event->keyval, event->state, GDK_plus);
- double x,y,z;
- gis_view_get_location(self->view, &x, &y, &z);
- guint kv = event->keyval;
- if (kv == GDK_Left || kv == GDK_h) gis_view_pan(self->view, -z/10, 0, 0);
- else if (kv == GDK_Down || kv == GDK_j) gis_view_pan(self->view, 0, -z/10, 0);
- else if (kv == GDK_Up || kv == GDK_k) gis_view_pan(self->view, 0, z/10, 0);
- else if (kv == GDK_Right || kv == GDK_l) gis_view_pan(self->view, z/10, 0, 0);
- else if (kv == GDK_minus || kv == GDK_o) gis_view_zoom(self->view, 10./9);
- else if (kv == GDK_plus || kv == GDK_i) gis_view_zoom(self->view, 9./10);
- else if (kv == GDK_H ) gis_view_rotate(self->view, 0, -10, 0);
- else if (kv == GDK_J ) gis_view_rotate(self->view, 10, 0, 0);
- else if (kv == GDK_K ) gis_view_rotate(self->view, -10, 0, 0);
- else if (kv == GDK_L ) gis_view_rotate(self->view, 0, 10, 0);
- return TRUE;
-}
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ /* Camera 1 */
+ double lat, lon, elev, rx, ry, rz;
+ gis_view_get_location(self->view, &lat, &lon, &elev);
+ gis_view_get_rotation(self->view, &rx, &ry, &rz);
+ glRotatef(rx, 1, 0, 0);
+ glRotatef(rz, 0, 0, 1);
-gboolean on_map(GtkWidget *drawing, GdkEventConfigure *event, GisOpenGL *self)
-{
- g_debug("GisOpenGL: on_map");
+ /* Lighting */
+#ifdef ROAM_DEBUG
+ float light_ambient[] = {0.7f, 0.7f, 0.7f, 1.0f};
+ float light_diffuse[] = {2.0f, 2.0f, 2.0f, 1.0f};
+#else
+ float light_ambient[] = {0.2f, 0.2f, 0.2f, 1.0f};
+ float light_diffuse[] = {5.0f, 5.0f, 5.0f, 1.0f};
+#endif
+ float light_position[] = {-13*EARTH_R, 1*EARTH_R, 3*EARTH_R, 1.0f};
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_LIGHTING);
+
+ float material_ambient[] = {0.2, 0.2, 0.2, 1.0};
+ float material_diffuse[] = {0.8, 0.8, 0.8, 1.0};
+ float material_specular[] = {0.0, 0.0, 0.0, 1.0};
+ float material_emission[] = {0.0, 0.0, 0.0, 1.0};
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, material_ambient);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, material_diffuse);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, material_specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, material_emission);
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_COLOR_MATERIAL);
+
+ /* Camera 2 */
+ glTranslatef(0, 0, -elev2rad(elev));
+ glRotatef(lat, 1, 0, 0);
+ glRotatef(-lon, 0, 1, 0);
/* Misc */
- glEnable(GL_BLEND);
+ gdouble rg = MAX(0, 1-(elev/20000));
+ gdouble blue = MAX(0, 1-(elev/50000));
+ glClearColor(MIN(0.65,rg), MIN(0.65,rg), MIN(1,blue), 1.0f);
+
+ glDisable(GL_ALPHA_TEST);
+
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+ glEnable(GL_BLEND);
- /* Tessellation, "finding intersecting triangles" */
- /* http://research.microsoft.com/pubs/70307/tr-2006-81.pdf */
- /* http://www.opengl.org/wiki/Alpha_Blending */
- glAlphaFunc(GL_GREATER,0.1);
- glEnable(GL_ALPHA_TEST);
+#ifndef ROAM_DEBUG
+ glCullFace(GL_BACK);
+ glEnable(GL_CULL_FACE);
+#endif
- /* Depth test */
glClearDepth(1.0);
glDepthFunc(GL_LEQUAL);
glEnable(GL_DEPTH_TEST);
- gis_opengl_end(self);
- return FALSE;
+ glEnable(GL_LINE_SMOOTH);
+
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+ //glShadeModel(GL_FLAT);
}
-gboolean on_configure(GtkWidget *drawing, GdkEventConfigure *event, GisOpenGL *self)
+
+/*************
+ * Callbacks *
+ *************/
+static void on_realize(GisOpenGL *self, gpointer _)
+{
+ g_debug("GisOpenGL: on_realize");
+ set_visuals(self);
+ roam_sphere_update_errors(self->sphere);
+}
+static gboolean on_configure(GisOpenGL *self, GdkEventConfigure *event, gpointer _)
{
- g_debug("GisOpenGL: on_confiure");
+ g_debug("GisOpenGL: on_configure");
gis_opengl_begin(self);
- double x, y, z;
- gis_view_get_location(self->view, &x, &y, &z);
-
- /* Window is at 500 m from camera */
- double width = GTK_WIDGET(self->drawing)->allocation.width;
- double height = GTK_WIDGET(self->drawing)->allocation.height;
-
+ double width = GTK_WIDGET(self)->allocation.width;
+ double height = GTK_WIDGET(self)->allocation.height;
glViewport(0, 0, width, height);
- /* Perspective */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
- double ang = atan((height/2)/500);
+ double ang = atan(height/FOV_DIST);
+ gluPerspective(rad2deg(ang)*2, width/height, 1, 20*EARTH_R);
- //gluPerspective(r2d(ang)*2, width/height, -z-20, -z+20);
- gluPerspective(r2d(ang)*2, width/height, 1, 500*1000);
+#ifndef ROAM_DEBUG
+ roam_sphere_update_errors(self->sphere);
+#endif
gis_opengl_end(self);
return FALSE;
}
-gboolean on_expose(GtkWidget *drawing, GdkEventExpose *event, GisOpenGL *self)
+static void on_expose_plugin(GisPlugin *plugin, gchar *name, GisOpenGL *self)
+{
+ set_visuals(self);
+ glMatrixMode(GL_PROJECTION); glPushMatrix();
+ glMatrixMode(GL_MODELVIEW); glPushMatrix();
+ gis_plugin_expose(plugin);
+ glMatrixMode(GL_PROJECTION); glPopMatrix();
+ glMatrixMode(GL_MODELVIEW); glPopMatrix();
+}
+static gboolean on_expose(GisOpenGL *self, GdkEventExpose *event, gpointer _)
{
g_debug("GisOpenGL: on_expose - begin");
gis_opengl_begin(self);
- double lx, ly, lz;
- double rx, ry, rz;
- gis_view_get_location(self->view, &lx, &ly, &lz);
- gis_view_get_rotation(self->view, &rx, &ry, &rz);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(lx, ly, lz);
- glRotatef(rx, 1, 0, 0);
- glRotatef(ry, 0, 1, 0);
- glRotatef(rz, 0, 0, 1);
+#ifndef ROAM_DEBUG
+ gis_plugins_foreach(self->plugins, G_CALLBACK(on_expose_plugin), self);
- /* Expose plugins */
- /* TODO: Figure out how to handle plugins:
- * - Do they belong to AWeatherGui, GisOpenGL, etc?
- */
- for (GList *cur = self->plugins; cur; cur = cur->next) {
- AWeatherPlugin *plugin = AWEATHER_PLUGIN(cur->data);
- aweather_plugin_expose(plugin);
+ if (self->wireframe) {
+ set_visuals(self);
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ roam_sphere_draw(self->sphere);
}
+#else
+ set_visuals(self);
+ glColor4f(0.0, 0.0, 9.0, 0.6);
+ glDisable(GL_TEXTURE_2D);
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ roam_sphere_draw(self->sphere);
+ //roam_sphere_draw_normals(self->sphere);
+#endif
+
+ set_visuals(self);
gis_opengl_end(self);
gis_opengl_flush(self);
g_debug("GisOpenGL: on_expose - end\n");
return FALSE;
}
-void on_state_changed(GisView *view,
- gdouble x, gdouble y, gdouble z, GisOpenGL *self)
+static gboolean on_button_press(GisOpenGL *self, GdkEventButton *event, gpointer _)
+{
+ g_debug("GisOpenGL: on_button_press - Grabbing focus");
+ gtk_widget_grab_focus(GTK_WIDGET(self));
+ return TRUE;
+}
+
+static gboolean on_key_press(GisOpenGL *self, GdkEventKey *event, gpointer _)
+{
+ g_debug("GisOpenGL: on_key_press - key=%x, state=%x, plus=%x",
+ event->keyval, event->state, GDK_plus);
+
+ double lat, lon, elev, pan;
+ gis_view_get_location(self->view, &lat, &lon, &elev);
+ pan = MIN(elev/(EARTH_R/2), 30);
+ guint kv = event->keyval;
+ if (kv == GDK_Left || kv == GDK_h) gis_view_pan(self->view, 0, -pan, 0);
+ else if (kv == GDK_Down || kv == GDK_j) gis_view_pan(self->view, -pan, 0, 0);
+ else if (kv == GDK_Up || kv == GDK_k) gis_view_pan(self->view, pan, 0, 0);
+ else if (kv == GDK_Right || kv == GDK_l) gis_view_pan(self->view, 0, pan, 0);
+ else if (kv == GDK_minus || kv == GDK_o) gis_view_zoom(self->view, 10./9);
+ else if (kv == GDK_plus || kv == GDK_i) gis_view_zoom(self->view, 9./10);
+ else if (kv == GDK_H) gis_view_rotate(self->view, 0, 0, -2);
+ else if (kv == GDK_J) gis_view_rotate(self->view, 2, 0, 0);
+ else if (kv == GDK_K) gis_view_rotate(self->view, -2, 0, 0);
+ else if (kv == GDK_L) gis_view_rotate(self->view, 0, 0, 2);
+
+ /* Testing */
+ else if (kv == GDK_w) {self->wireframe = !self->wireframe; gtk_widget_queue_draw(GTK_WIDGET(self));}
+#ifdef ROAM_DEBUG
+ else if (kv == GDK_n) roam_sphere_split_one(self->sphere);
+ else if (kv == GDK_p) roam_sphere_merge_one(self->sphere);
+ else if (kv == GDK_r) roam_sphere_split_merge(self->sphere);
+ else if (kv == GDK_u) roam_sphere_update_errors(self->sphere);
+ gtk_widget_queue_draw(GTK_WIDGET(self));
+#endif
+
+ return TRUE;
+}
+
+static void on_view_changed(GisView *view,
+ gdouble _1, gdouble _2, gdouble _3, GisOpenGL *self)
{
- /* Reset clipping area and redraw */
- on_configure(NULL, NULL, self);
+ g_debug("GisOpenGL: on_view_changed");
+ gis_opengl_begin(self);
+ set_visuals(self);
+#ifndef ROAM_DEBUG
+ roam_sphere_update_errors(self->sphere);
+#endif
gis_opengl_redraw(self);
+ gis_opengl_end(self);
}
+static gboolean on_idle(GisOpenGL *self)
+{
+ //g_debug("GisOpenGL: on_idle");
+ gis_opengl_begin(self);
+ if (roam_sphere_split_merge(self->sphere))
+ gis_opengl_redraw(self);
+ gis_opengl_end(self);
+ return TRUE;
+}
+
+
/***********
* Methods *
***********/
-GisOpenGL *gis_opengl_new(GisWorld *world, GisView *view, GtkDrawingArea *drawing)
+GisOpenGL *gis_opengl_new(GisWorld *world, GisView *view, GisPlugins *plugins)
{
g_debug("GisOpenGL: new");
GisOpenGL *self = g_object_new(GIS_TYPE_OPENGL, NULL);
self->world = world;
self->view = view;
- self->drawing = drawing;
+ self->plugins = plugins;
g_object_ref(world);
g_object_ref(view);
- g_object_ref(drawing);
- /* OpenGL setup */
- GdkGLConfig *glconfig = gdk_gl_config_new_by_mode(
- GDK_GL_MODE_RGBA | GDK_GL_MODE_DEPTH |
- GDK_GL_MODE_DOUBLE | GDK_GL_MODE_ALPHA);
- if (!glconfig)
- g_error("Failed to create glconfig");
- if (!gtk_widget_set_gl_capability(GTK_WIDGET(self->drawing),
- glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE))
- g_error("GL lacks required capabilities");
+ g_signal_connect(self->view, "location-changed", G_CALLBACK(on_view_changed), self);
+ g_signal_connect(self->view, "rotation-changed", G_CALLBACK(on_view_changed), self);
+
+ self->sphere = roam_sphere_new(self);
- g_signal_connect(self->view, "location-changed", G_CALLBACK(on_state_changed), self);
- g_signal_connect(self->view, "rotation-changed", G_CALLBACK(on_state_changed), self);
+ return g_object_ref(self);
+}
- g_signal_connect(self->drawing, "map-event", G_CALLBACK(on_map), self);
- g_signal_connect(self->drawing, "configure-event", G_CALLBACK(on_configure), self);
- g_signal_connect(self->drawing, "expose-event", G_CALLBACK(on_expose), self);
+void gis_opengl_center_position(GisOpenGL *self, gdouble lat, gdouble lon, gdouble elev)
+{
+ glRotatef(lon, 0, 1, 0);
+ glRotatef(-lat, 1, 0, 0);
+ glTranslatef(0, 0, elev2rad(elev));
+}
- g_signal_connect(self->drawing, "button-press-event", G_CALLBACK(on_button_press), self);
- g_signal_connect(self->drawing, "enter-notify-event", G_CALLBACK(on_button_press), self);
- g_signal_connect(self->drawing, "key-press-event", G_CALLBACK(on_key_press), self);
- return self;
+void gis_opengl_render_tile(GisOpenGL *self, GisTile *tile)
+{
+ if (!tile || !tile->data)
+ return;
+ GList *triangles = roam_sphere_get_intersect(self->sphere,
+ tile->edge.n, tile->edge.s, tile->edge.e, tile->edge.w);
+ if (!triangles)
+ g_warning("GisOpenGL: render_tiles - No triangles to draw: edges=%f,%f,%f,%f",
+ tile->edge.n, tile->edge.s, tile->edge.e, tile->edge.w);
+ //g_message("rendering %4d triangles for tile edges=%7.2f,%7.2f,%7.2f,%7.2f",
+ // g_list_length(triangles), tile->edge.n, tile->edge.s, tile->edge.e, tile->edge.w);
+ for (GList *cur = triangles; cur; cur = cur->next) {
+ RoamTriangle *tri = cur->data;
+
+ gdouble lat[3] = {tri->p.r->lat, tri->p.m->lat, tri->p.l->lat};
+ gdouble lon[3] = {tri->p.r->lon, tri->p.m->lon, tri->p.l->lon};
+
+ if (lon[0] < -90 || lon[1] < -90 || lon[2] < -90) {
+ if (lon[0] > 90) lon[0] -= 360;
+ if (lon[1] > 90) lon[1] -= 360;
+ if (lon[2] > 90) lon[2] -= 360;
+ }
+
+ gdouble n = tile->edge.n;
+ gdouble s = tile->edge.s;
+ gdouble e = tile->edge.e;
+ gdouble w = tile->edge.w;
+
+ gdouble londist = e - w;
+ gdouble latdist = n - s;
+
+ gdouble xy[][3] = {
+ {(lon[0]-w)/londist, 1-(lat[0]-s)/latdist},
+ {(lon[1]-w)/londist, 1-(lat[1]-s)/latdist},
+ {(lon[2]-w)/londist, 1-(lat[2]-s)/latdist},
+ };
+
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, *(guint*)tile->data);
+ glBegin(GL_TRIANGLES);
+ glNormal3dv(tri->p.r->norm); glTexCoord2dv(xy[0]); glVertex3dv((double*)tri->p.r);
+ glNormal3dv(tri->p.m->norm); glTexCoord2dv(xy[1]); glVertex3dv((double*)tri->p.m);
+ glNormal3dv(tri->p.l->norm); glTexCoord2dv(xy[2]); glVertex3dv((double*)tri->p.l);
+ glEnd();
+ }
+ g_list_free(triangles);
}
+void gis_opengl_render_tiles(GisOpenGL *opengl, GisTile *tile)
+{
+ /* Only render children if possible */
+ gboolean has_children = TRUE;
+ GisTile *child;
+ gis_tile_foreach(tile, child)
+ if (!child || !child->data)
+ has_children = FALSE;
+ if (has_children)
+ /* Only render children */
+ gis_tile_foreach(tile, child)
+ gis_opengl_render_tiles(opengl, child);
+ else
+ /* No children, render this tile */
+ gis_opengl_render_tile(opengl, tile);
+}
void gis_opengl_redraw(GisOpenGL *self)
{
- g_debug("GisOpenGL: gl_redraw");
- gtk_widget_queue_draw(GTK_WIDGET(self->drawing));
+ g_debug("GisOpenGL: redraw");
+ gtk_widget_queue_draw(GTK_WIDGET(self));
}
void gis_opengl_begin(GisOpenGL *self)
{
g_assert(GIS_IS_OPENGL(self));
- GdkGLContext *glcontext = gtk_widget_get_gl_context(GTK_WIDGET(self->drawing));
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(self->drawing));
+ GdkGLContext *glcontext = gtk_widget_get_gl_context(GTK_WIDGET(self));
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(self));
if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
g_assert_not_reached();
-
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
void gis_opengl_end(GisOpenGL *self)
{
g_assert(GIS_IS_OPENGL(self));
- GdkGLDrawable *gldrawable = gdk_gl_drawable_get_current();
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(self));
gdk_gl_drawable_gl_end(gldrawable);
}
void gis_opengl_flush(GisOpenGL *self)
{
g_assert(GIS_IS_OPENGL(self));
- GdkGLDrawable *gldrawable = gdk_gl_drawable_get_current();
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(self));
if (gdk_gl_drawable_is_double_buffered(gldrawable))
gdk_gl_drawable_swap_buffers(gldrawable);
else
glFlush();
gdk_gl_drawable_gl_end(gldrawable);
}
+
+
+/****************
+ * GObject code *
+ ****************/
+G_DEFINE_TYPE(GisOpenGL, gis_opengl, GTK_TYPE_DRAWING_AREA);
+static void gis_opengl_init(GisOpenGL *self)
+{
+ g_debug("GisOpenGL: init");
+ /* OpenGL setup */
+ GdkGLConfig *glconfig = gdk_gl_config_new_by_mode(
+ GDK_GL_MODE_RGBA | GDK_GL_MODE_DEPTH |
+ GDK_GL_MODE_DOUBLE | GDK_GL_MODE_ALPHA);
+ if (!glconfig)
+ g_error("Failed to create glconfig");
+ if (!gtk_widget_set_gl_capability(GTK_WIDGET(self),
+ glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE))
+ g_error("GL lacks required capabilities");
+ g_object_unref(glconfig);
+
+ gtk_widget_set_size_request(GTK_WIDGET(self), 600, 550);
+ gtk_widget_set_events(GTK_WIDGET(self),
+ GDK_BUTTON_PRESS_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_KEY_PRESS_MASK);
+ g_object_set(self, "can-focus", TRUE, NULL);
+
+#ifndef ROAM_DEBUG
+ self->sm_source = g_timeout_add(10, (GSourceFunc)on_idle, self);
+#endif
+
+ g_signal_connect(self, "realize", G_CALLBACK(on_realize), NULL);
+ g_signal_connect(self, "configure-event", G_CALLBACK(on_configure), NULL);
+ g_signal_connect(self, "expose-event", G_CALLBACK(on_expose), NULL);
+
+ g_signal_connect(self, "button-press-event", G_CALLBACK(on_button_press), NULL);
+ g_signal_connect(self, "enter-notify-event", G_CALLBACK(on_button_press), NULL);
+ g_signal_connect(self, "key-press-event", G_CALLBACK(on_key_press), NULL);
+}
+static GObject *gis_opengl_constructor(GType gtype, guint n_properties,
+ GObjectConstructParam *properties)
+{
+ g_debug("GisOpengl: constructor");
+ GObjectClass *parent_class = G_OBJECT_CLASS(gis_opengl_parent_class);
+ return parent_class->constructor(gtype, n_properties, properties);
+}
+static void gis_opengl_dispose(GObject *_self)
+{
+ g_debug("GisOpenGL: dispose");
+ GisOpenGL *self = GIS_OPENGL(_self);
+ if (self->sm_source) {
+ g_source_remove(self->sm_source);
+ self->sm_source = 0;
+ }
+ if (self->sphere) {
+ roam_sphere_free(self->sphere);
+ self->sphere = NULL;
+ }
+ if (self->world) {
+ g_object_unref(self->world);
+ self->world = NULL;
+ }
+ if (self->view) {
+ g_object_unref(self->view);
+ self->view = NULL;
+ }
+ G_OBJECT_CLASS(gis_opengl_parent_class)->dispose(_self);
+}
+static void gis_opengl_finalize(GObject *_self)
+{
+ g_debug("GisOpenGL: finalize");
+ GisOpenGL *self = GIS_OPENGL(_self);
+ G_OBJECT_CLASS(gis_opengl_parent_class)->finalize(_self);
+}
+static void gis_opengl_class_init(GisOpenGLClass *klass)
+{
+ g_debug("GisOpenGL: class_init");
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+ gobject_class->constructor = gis_opengl_constructor;
+ gobject_class->dispose = gis_opengl_dispose;
+ gobject_class->finalize = gis_opengl_finalize;
+}
projects / grits / blobdiff