1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
3 * LADI Session Handler (ladish)
5 * Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
7 **************************************************************************
8 * This file contains implementation of the graph view object
9 **************************************************************************
11 * LADI Session Handler is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * LADI Session Handler is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
23 * or write to the Free Software Foundation, Inc.,
24 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include "graph_view.h"
30 #include "world_tree.h"
34 struct list_head siblings
;
36 graph_canvas_handle graph_canvas
;
38 GtkWidget
* canvas_widget
;
41 struct list_head g_views
;
43 GtkScrolledWindow
* g_main_scrolledwin
;
47 g_main_scrolledwin
= GTK_SCROLLED_WINDOW(get_glade_widget("main_scrolledwin"));
48 INIT_LIST_HEAD(&g_views
);
51 bool create_view(const char * name
, const char * service
, const char * object
, bool force_activate
, graph_view_handle
* handle_ptr
)
53 struct graph_view
* view_ptr
;
55 view_ptr
= malloc(sizeof(struct graph_view
));
58 lash_error("malloc() failed for struct graph_view");
62 view_ptr
->name
= strdup(name
);
63 if (view_ptr
->name
== NULL
)
65 lash_error("strdup() failed for \"%s\"", name
);
69 if (!graph_create(service
, object
, &view_ptr
->graph
))
74 if (!graph_canvas_create(1600 * 2, 1200 * 2, &view_ptr
->graph_canvas
))
79 if (!graph_canvas_attach(view_ptr
->graph_canvas
, view_ptr
->graph
))
81 goto destroy_graph_canvas
;
84 if (!graph_activate(view_ptr
->graph
))
86 goto detach_graph_canvas
;
89 view_ptr
->canvas_widget
= canvas_get_widget(graph_canvas_get_canvas(view_ptr
->graph_canvas
));
91 list_add_tail(&view_ptr
->siblings
, &g_views
);
93 gtk_widget_show(view_ptr
->canvas_widget
);
95 world_tree_add((graph_view_handle
)view_ptr
, force_activate
);
97 *handle_ptr
= (graph_view_handle
)view_ptr
;
102 graph_canvas_detach(view_ptr
->graph_canvas
);
103 destroy_graph_canvas
:
104 graph_canvas_destroy(view_ptr
->graph_canvas
);
106 graph_destroy(view_ptr
->graph
);
108 free(view_ptr
->name
);
115 static void attach_canvas(struct graph_view
* view_ptr
)
119 child
= gtk_bin_get_child(GTK_BIN(g_main_scrolledwin
));
121 if (child
== view_ptr
->canvas_widget
)
128 gtk_container_remove(GTK_CONTAINER(g_main_scrolledwin
), child
);
131 gtk_container_add(GTK_CONTAINER(g_main_scrolledwin
), view_ptr
->canvas_widget
);
133 //_canvas->scroll_to(static_cast<int>(_canvas->width()/2 - 320), static_cast<int>(_canvas->height()/2 - 240)); // FIXME: hardcoded
134 //_main_scrolledwin->property_hadjustment().get_value()->set_step_increment(10);
135 //_main_scrolledwin->property_vadjustment().get_value()->set_step_increment(10);
138 static void detach_canvas(struct graph_view
* view_ptr
)
142 child
= gtk_bin_get_child(GTK_BIN(g_main_scrolledwin
));
143 if (child
== view_ptr
->canvas_widget
)
145 gtk_container_remove(GTK_CONTAINER(g_main_scrolledwin
), view_ptr
->canvas_widget
);
149 static void activate_view_internal(struct graph_view
* view_ptr
)
151 attach_canvas(view_ptr
);
154 #define view_ptr ((struct graph_view *)view)
156 void destroy_view(graph_view_handle view
)
158 list_del(&view_ptr
->siblings
);
159 if (!list_empty(&g_views
))
161 activate_view_internal(list_entry(g_views
.next
, struct graph_view
, siblings
));
164 detach_canvas(view_ptr
);
166 world_tree_remove(view
);
168 graph_canvas_detach(view_ptr
->graph_canvas
);
169 graph_canvas_destroy(view_ptr
->graph_canvas
);
170 graph_destroy(view_ptr
->graph
);
171 free(view_ptr
->name
);
175 void activate_view(graph_view_handle view
)
177 activate_view_internal(view_ptr
);
180 const char * get_view_name(graph_view_handle view
)
182 return view_ptr
->name
;