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)
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 AWeatherView *view = aweather_gui_get_view(gui);
31 aweather_view_set_location(view, site);
34 void on_time_changed(GtkTreeView *view, GtkTreePath *path,
35 GtkTreeViewColumn *column, AWeatherGui *gui)
39 GtkTreeModel *model = gtk_tree_view_get_model(view);
40 gtk_tree_model_get_iter(model, &iter, path);
41 gtk_tree_model_get(model, &iter, 0, &time, -1);
42 AWeatherView *aview = aweather_gui_get_view(gui);
43 aweather_view_set_time(aview, time);
46 static gboolean map(GtkWidget *da, GdkEventConfigure *event, AWeatherGui *gui)
48 //g_message("map:map");
49 AWeatherView *view = aweather_gui_get_view(gui);
50 aweather_view_set_location(view, "IND");
54 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
55 glClearColor(0.8f, 0.8f, 1.0f, 0.0f);
57 /* Tessellation, "finding intersecting triangles" */
58 /* http://research.microsoft.com/pubs/70307/tr-2006-81.pdf */
59 /* http://www.opengl.org/wiki/Alpha_Blending */
60 glAlphaFunc(GL_GREATER,0.1);
61 glEnable(GL_ALPHA_TEST);
65 glDepthFunc(GL_LEQUAL);
66 glEnable(GL_DEPTH_TEST);
68 aweather_gui_gl_end(gui);
72 static gboolean configure(GtkWidget *da, GdkEventConfigure *event, AWeatherGui *gui)
74 aweather_gui_gl_begin(gui);
76 double width = da->allocation.width;
77 double height = da->allocation.height;
78 double dist = 500*1000; // 500 km
80 glViewport(0, 0, width, height);
83 glMatrixMode(GL_PROJECTION);
85 double rad = atan(height/2*1000.0/dist); // 1px = 1000 meters
86 double deg = (rad*180)/M_PI;
87 gluPerspective(deg*2, width/height, dist-20, dist+20);
89 /* Camera position? */
90 glMatrixMode(GL_MODELVIEW);
92 glTranslatef(0.0, 0.0, -dist);
93 //glRotatef(-45, 1, 0, 0);
95 aweather_gui_gl_end(gui);
99 static gboolean expose_begin(GtkWidget *da, GdkEventExpose *event, AWeatherGui *gui)
101 aweather_gui_gl_begin(gui);
104 static gboolean expose_end(GtkWidget *da, GdkEventExpose *event, AWeatherGui *gui)
106 g_message("aweather:espose_end\n");
107 aweather_gui_gl_end(gui);
108 aweather_gui_gl_flush(gui);
115 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
116 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
118 gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
119 g_object_set(cell, "sensitive", sensitive, NULL);
122 static void site_setup(AWeatherGui *gui)
124 GtkTreeIter state, city;
125 GtkTreeStore *store = gtk_tree_store_new(2, G_TYPE_STRING, G_TYPE_STRING);
126 for (int i = 0; cities[i].label; i++) {
127 if (cities[i].type == LOCATION_STATE) {
128 gtk_tree_store_append(store, &state, NULL);
129 gtk_tree_store_set (store, &state, 0, cities[i].label,
130 1, cities[i].code, -1);
132 gtk_tree_store_append(store, &city, &state);
133 gtk_tree_store_set (store, &city, 0, cities[i].label,
134 1, cities[i].code, -1);
138 GtkWidget *combo = aweather_gui_get_widget(gui, "site");
139 GtkCellRenderer *renderer = gtk_cell_renderer_text_new();
140 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), renderer, FALSE);
141 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), renderer, "text", 0, NULL);
142 gtk_combo_box_set_model(GTK_COMBO_BOX(combo), GTK_TREE_MODEL(store));
143 gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo), renderer,
144 combo_sensitive, NULL, NULL);
146 g_signal_connect(combo, "changed", G_CALLBACK(on_site_changed), gui);
149 static void time_setup(AWeatherGui *gui)
151 GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time"));
152 GtkTreeModel *store = GTK_TREE_MODEL(gtk_list_store_new(1, G_TYPE_STRING));
153 gtk_tree_view_set_model(tview, store);
155 GtkCellRenderer *rend = gtk_cell_renderer_text_new();
156 GtkTreeViewColumn *col = gtk_tree_view_column_new_with_attributes(
157 "Time", rend, "text", 0, NULL);
158 gtk_tree_view_append_column(tview, col);
160 g_signal_connect(tview, "row-activated", G_CALLBACK(on_time_changed), gui);
163 gboolean opengl_setup(AWeatherGui *gui)
165 GtkDrawingArea *drawing = GTK_DRAWING_AREA(aweather_gui_get_widget(gui, "drawing"));
167 GdkGLConfig *glconfig = gdk_gl_config_new_by_mode(
168 GDK_GL_MODE_RGBA | GDK_GL_MODE_DEPTH |
169 GDK_GL_MODE_DOUBLE | GDK_GL_MODE_ALPHA);
171 g_error("Failed to create glconfig");
172 if (!gtk_widget_set_gl_capability(GTK_WIDGET(drawing), glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE))
173 g_error("GL lacks required capabilities");
175 /* Set up OpenGL Stuff */
176 g_signal_connect (drawing, "map-event", G_CALLBACK(map), gui);
177 g_signal_connect (drawing, "configure-event", G_CALLBACK(configure), gui);
178 g_signal_connect (drawing, "expose-event", G_CALLBACK(expose_begin), gui);
179 g_signal_connect_after(drawing, "expose-event", G_CALLBACK(expose_end), gui);
187 G_DEFINE_TYPE(AWeatherGui, aweather_gui, G_TYPE_OBJECT);
189 /* Constructor / destructors */
190 static void aweather_gui_init(AWeatherGui *gui)
192 //g_message("aweather_gui_init");
195 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
196 GObjectConstructParam *properties)
198 //g_message("aweather_gui_constructor");
199 GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
200 return parent_class->constructor(gtype, n_properties, properties);
203 static void aweather_gui_dispose (GObject *gobject)
205 //g_message("aweather_gui_dispose");
206 AWeatherGui *gui = AWEATHER_GUI(gobject);
207 g_object_unref(gui->view );
208 g_object_unref(gui->builder);
209 g_object_unref(gui->window );
210 g_object_unref(gui->tabs );
211 g_object_unref(gui->drawing);
212 G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(gobject);
215 static void aweather_gui_finalize(GObject *gobject)
217 //g_message("aweather_gui_finalize");
218 G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(gobject);
221 static void aweather_gui_class_init(AWeatherGuiClass *klass)
223 //g_message("aweather_gui_class_init");
224 GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
225 gobject_class->constructor = aweather_gui_constructor;
226 gobject_class->dispose = aweather_gui_dispose;
227 gobject_class->finalize = aweather_gui_finalize;
231 AWeatherGui *aweather_gui_new()
233 //g_message("aweather_gui_new");
234 GError *error = NULL;
236 AWeatherGui *gui = g_object_new(AWEATHER_TYPE_GUI, NULL);
238 gui->builder = gtk_builder_new();
239 if (!gtk_builder_add_from_file(gui->builder, DATADIR "/aweather/aweather.xml", &error))
240 g_error("Failed to create gtk builder: %s", error->message);
241 gui->view = aweather_view_new();
242 gui->window = GTK_WINDOW (gtk_builder_get_object(gui->builder, "window"));
243 gui->tabs = GTK_NOTEBOOK (gtk_builder_get_object(gui->builder, "tabs"));
244 gui->drawing = GTK_DRAWING_AREA(gtk_builder_get_object(gui->builder, "drawing"));
245 gtk_builder_connect_signals(gui->builder, NULL);
247 /* Load components */
253 AWeatherView *aweather_gui_get_view(AWeatherGui *gui)
255 g_assert(AWEATHER_IS_GUI(gui));
258 GtkBuilder *aweather_gui_get_builder(AWeatherGui *gui)
260 g_assert(AWEATHER_IS_GUI(gui));
263 GtkWidget *aweather_gui_get_widget(AWeatherGui *gui, const gchar *name)
265 g_assert(AWEATHER_IS_GUI(gui));
266 GObject *widget = gtk_builder_get_object(gui->builder, name);
267 g_assert(GTK_IS_WIDGET(widget));
268 return GTK_WIDGET(widget);
270 void aweather_gui_gl_begin(AWeatherGui *gui)
272 g_assert(AWEATHER_IS_GUI(gui));
274 GtkDrawingArea *drawing = GTK_DRAWING_AREA(aweather_gui_get_widget(gui, "drawing"));
275 GdkGLContext *glcontext = gtk_widget_get_gl_context(GTK_WIDGET(drawing));
276 GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(drawing));
278 if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
279 g_assert_not_reached();
281 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
283 void aweather_gui_gl_end(AWeatherGui *gui)
285 g_assert(AWEATHER_IS_GUI(gui));
286 GdkGLDrawable *gldrawable = gdk_gl_drawable_get_current();
287 gdk_gl_drawable_gl_end(gldrawable);
289 void aweather_gui_gl_flush(AWeatherGui *gui)
291 g_assert(AWEATHER_IS_GUI(gui));
292 GdkGLDrawable *gldrawable = gdk_gl_drawable_get_current();
293 if (gdk_gl_drawable_is_double_buffered(gldrawable))
294 gdk_gl_drawable_swap_buffers(gldrawable);
297 gdk_gl_drawable_gl_end(gldrawable);
299 //void aweather_gui_register_plugin(AWeatherGui *gui, AWeatherPlugin *plugin);