4 #include <gdk/gdkkeysyms.h>
9 #include "aweather-gui.h"
10 #include "aweather-view.h"
16 gboolean on_window_key_press_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
18 if (event->keyval == GDK_q)
23 void on_site_changed(GtkComboBox *combo, AWeatherGui *gui) {
26 AWeatherView *view = aweather_gui_get_view(gui);
27 GtkTreeModel *model = gtk_combo_box_get_model(combo);
28 gtk_combo_box_get_active_iter(combo, &iter);
29 gtk_tree_model_get(model, &iter, 1, &site, -1);
30 aweather_view_set_location(view, site);
33 void on_time_changed() {
36 //AWeatherView *view = aweather_gui_get_view(gui);
37 //GtkTreeModel *model = gtk_combo_box_get_model(combo);
38 //gtk_combo_box_get_active_iter(combo, &iter);
39 //gtk_tree_model_get(model, &iter, 1, &site, 0);
40 //aweather_view_set_time(view, site);
43 static gboolean map(GtkWidget *da, GdkEventConfigure *event, AWeatherGui *gui)
45 //g_message("map:map");
46 AWeatherView *view = aweather_gui_get_view(gui);
47 aweather_view_set_location(view, "IND");
51 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
52 glClearColor(0.8f, 0.8f, 1.0f, 0.0f);
54 /* Tessellation, "finding intersecting triangles" */
55 /* http://research.microsoft.com/pubs/70307/tr-2006-81.pdf */
56 /* http://www.opengl.org/wiki/Alpha_Blending */
57 glAlphaFunc(GL_GREATER,0.1);
58 glEnable(GL_ALPHA_TEST);
62 glDepthFunc(GL_LEQUAL);
63 glEnable(GL_DEPTH_TEST);
65 aweather_gui_gl_end(gui);
69 static gboolean configure(GtkWidget *da, GdkEventConfigure *event, AWeatherGui *gui)
71 aweather_gui_gl_begin(gui);
73 double width = da->allocation.width;
74 double height = da->allocation.height;
75 double dist = 500*1000; // 500 km
77 glViewport(0, 0, width, height);
80 glMatrixMode(GL_PROJECTION);
82 double rad = atan(height/2*1000.0/dist); // 1px = 1000 meters
83 double deg = (rad*180)/M_PI;
84 gluPerspective(deg*2, width/height, dist-20, dist+20);
86 /* Camera position? */
87 glMatrixMode(GL_MODELVIEW);
89 glTranslatef(0.0, 0.0, -dist);
90 //glRotatef(-45, 1, 0, 0);
92 aweather_gui_gl_end(gui);
96 static gboolean expose_begin(GtkWidget *da, GdkEventExpose *event, AWeatherGui *gui)
98 aweather_gui_gl_begin(gui);
101 static gboolean expose_end(GtkWidget *da, GdkEventExpose *event, AWeatherGui *gui)
103 g_message("aweather:espose_end\n");
104 aweather_gui_gl_end(gui);
105 aweather_gui_gl_flush(gui);
112 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
113 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
115 gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
116 g_object_set(cell, "sensitive", sensitive, NULL);
119 static void site_setup(AWeatherGui *gui)
121 GtkTreeIter state, city;
122 GtkTreeStore *store = gtk_tree_store_new(2, G_TYPE_STRING, G_TYPE_STRING);
123 for (int i = 0; cities[i].label; i++) {
124 if (cities[i].type == LOCATION_STATE) {
125 gtk_tree_store_append(store, &state, NULL);
126 gtk_tree_store_set (store, &state, 0, cities[i].label,
127 1, cities[i].code, -1);
129 gtk_tree_store_append(store, &city, &state);
130 gtk_tree_store_set (store, &city, 0, cities[i].label,
131 1, cities[i].code, -1);
135 GtkBuilder *builder = aweather_gui_get_builder(gui);
136 GtkWidget *combo = GTK_WIDGET(gtk_builder_get_object(builder, "site"));
137 GtkCellRenderer *renderer = gtk_cell_renderer_text_new();
138 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), renderer, FALSE);
139 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), renderer, "text", 0, NULL);
140 gtk_combo_box_set_model(GTK_COMBO_BOX(combo), GTK_TREE_MODEL(store));
141 gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo), renderer,
142 combo_sensitive, NULL, NULL);
144 g_signal_connect(combo, "changed", G_CALLBACK(on_site_changed), gui);
147 static void time_setup(AWeatherGui *gui)
149 GtkBuilder *builder = aweather_gui_get_builder(gui);
150 GtkWidget *time = GTK_WIDGET(gtk_builder_get_object(builder, "time"));
151 GtkCellRenderer *rend = gtk_cell_renderer_text_new();
152 GtkTreeViewColumn *col = gtk_tree_view_column_new_with_attributes(
153 "Time", rend, 0, "text", NULL);
154 gtk_tree_view_append_column(GTK_TREE_VIEW(time), col);
156 GtkTreeStore *store = gtk_tree_store_new(1, G_TYPE_STRING);
157 gtk_tree_view_set_model(GTK_TREE_VIEW(time), GTK_TREE_MODEL(store));
159 g_signal_connect(time, "row-activated", G_CALLBACK(on_time_changed), gui);
162 gboolean opengl_setup(AWeatherGui *gui)
164 GtkDrawingArea *drawing = aweather_gui_get_drawing(gui);
166 GdkGLConfig *glconfig = gdk_gl_config_new_by_mode(
167 GDK_GL_MODE_RGBA | GDK_GL_MODE_DEPTH |
168 GDK_GL_MODE_DOUBLE | GDK_GL_MODE_ALPHA);
170 g_error("Failed to create glconfig");
171 if (!gtk_widget_set_gl_capability(GTK_WIDGET(drawing), glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE))
172 g_error("GL lacks required capabilities");
174 /* Set up OpenGL Stuff */
175 g_signal_connect (drawing, "map-event", G_CALLBACK(map), gui);
176 g_signal_connect (drawing, "configure-event", G_CALLBACK(configure), gui);
177 g_signal_connect (drawing, "expose-event", G_CALLBACK(expose_begin), gui);
178 g_signal_connect_after(drawing, "expose-event", G_CALLBACK(expose_end), gui);
186 G_DEFINE_TYPE(AWeatherGui, aweather_gui, G_TYPE_OBJECT);
188 /* Constructor / destructors */
189 static void aweather_gui_init(AWeatherGui *gui)
191 //g_message("aweather_gui_init");
194 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
195 GObjectConstructParam *properties)
197 //g_message("aweather_gui_constructor");
198 GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
199 return parent_class->constructor(gtype, n_properties, properties);
202 static void aweather_gui_dispose (GObject *gobject)
204 //g_message("aweather_gui_dispose");
205 AWeatherGui *gui = AWEATHER_GUI(gobject);
206 g_object_unref(gui->view );
207 g_object_unref(gui->builder);
208 g_object_unref(gui->window );
209 g_object_unref(gui->tabs );
210 g_object_unref(gui->drawing);
211 G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(gobject);
214 static void aweather_gui_finalize(GObject *gobject)
216 //g_message("aweather_gui_finalize");
217 G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(gobject);
220 static void aweather_gui_class_init(AWeatherGuiClass *klass)
222 //g_message("aweather_gui_class_init");
223 GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
224 gobject_class->constructor = aweather_gui_constructor;
225 gobject_class->dispose = aweather_gui_dispose;
226 gobject_class->finalize = aweather_gui_finalize;
230 AWeatherGui *aweather_gui_new()
232 //g_message("aweather_gui_new");
233 GError *error = NULL;
235 AWeatherGui *gui = g_object_new(AWEATHER_TYPE_GUI, NULL);
237 gui->builder = gtk_builder_new();
238 if (!gtk_builder_add_from_file(gui->builder, DATADIR "/aweather/aweather.xml", &error))
239 g_error("Failed to create gtk builder: %s", error->message);
240 gui->view = aweather_view_new();
241 gui->window = GTK_WINDOW (gtk_builder_get_object(gui->builder, "window"));
242 gui->tabs = GTK_NOTEBOOK (gtk_builder_get_object(gui->builder, "tabs"));
243 gui->drawing = GTK_DRAWING_AREA(gtk_builder_get_object(gui->builder, "drawing"));
244 gtk_builder_connect_signals(gui->builder, NULL);
246 /* Load components */
252 AWeatherView *aweather_gui_get_view(AWeatherGui *gui)
254 g_assert(AWEATHER_IS_GUI(gui));
257 GtkBuilder *aweather_gui_get_builder(AWeatherGui *gui)
259 g_assert(AWEATHER_IS_GUI(gui));
262 GtkWindow *aweather_gui_get_window(AWeatherGui *gui)
264 g_assert(AWEATHER_IS_GUI(gui));
267 GtkNotebook *aweather_gui_get_tabs(AWeatherGui *gui)
269 g_assert(AWEATHER_IS_GUI(gui));
272 GtkDrawingArea *aweather_gui_get_drawing(AWeatherGui *gui)
274 g_assert(AWEATHER_IS_GUI(gui));
277 void aweather_gui_gl_begin(AWeatherGui *gui)
279 g_assert(AWEATHER_IS_GUI(gui));
281 GtkDrawingArea *drawing = aweather_gui_get_drawing(gui);
282 GdkGLContext *glcontext = gtk_widget_get_gl_context(GTK_WIDGET(drawing));
283 GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(drawing));
285 if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
286 g_assert_not_reached();
288 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
290 void aweather_gui_gl_end(AWeatherGui *gui)
292 g_assert(AWEATHER_IS_GUI(gui));
293 GdkGLDrawable *gldrawable = gdk_gl_drawable_get_current();
294 gdk_gl_drawable_gl_end(gldrawable);
296 void aweather_gui_gl_flush(AWeatherGui *gui)
298 g_assert(AWEATHER_IS_GUI(gui));
299 GdkGLDrawable *gldrawable = gdk_gl_drawable_get_current();
300 if (gdk_gl_drawable_is_double_buffered(gldrawable))
301 gdk_gl_drawable_swap_buffers(gldrawable);
304 gdk_gl_drawable_gl_end(gldrawable);
306 //void aweather_gui_register_plugin(AWeatherGui *gui, AWeatherPlugin *plugin);