removed useless intermediate var
[psensor.git] / src / ui_sensorlist.c
1 /*
2  * Copyright (C) 2010-2013 jeanfi@gmail.com
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301 USA
18  */
19 #include <stdlib.h>
20 #include <string.h>
21
22 #include "ui.h"
23 #include "ui_pref.h"
24 #include "ui_sensorlist.h"
25 #include "ui_sensorpref.h"
26 #include "cfg.h"
27 #include "ui_color.h"
28
29 enum {
30         COL_NAME = 0,
31         COL_TEMP,
32         COL_TEMP_MIN,
33         COL_TEMP_MAX,
34         COL_COLOR,
35         COL_COLOR_STR,
36         COL_ENABLED,
37         COL_EMPTY,
38         COL_SENSOR,
39 };
40
41 struct cb_data {
42         struct ui_psensor *ui;
43         struct psensor *sensor;
44 };
45
46 static int col_index_to_col(int idx)
47 {
48         if (idx == 5)
49                 return COL_ENABLED;
50         else if (idx > 5)
51                 return -1;
52
53         return idx;
54 }
55
56 void ui_sensorlist_update(struct ui_psensor *ui, bool complete)
57 {
58         char *scolor, *value, *min, *max;
59         struct psensor *s;
60         GtkTreeIter iter;
61         GtkTreeModel *model;
62         gboolean valid;
63         int use_celcius;
64         GdkColor color;
65         GtkListStore *store;
66
67         model = gtk_tree_view_get_model(ui->sensors_tree);
68         store = GTK_LIST_STORE(model);
69
70         use_celcius = ui->config->temperature_unit == CELCIUS;
71
72         valid = gtk_tree_model_get_iter_first(model, &iter);
73         while (valid) {
74                 gtk_tree_model_get(model, &iter, COL_SENSOR, &s, -1);
75
76                 value = psensor_value_to_str(s->type,
77                                              psensor_get_current_value(s),
78                                              use_celcius);
79                 min = psensor_value_to_str(s->type, s->min, use_celcius);
80                 max = psensor_value_to_str(s->type, s->max, use_celcius);
81
82                 gtk_list_store_set(store, &iter,
83                                    COL_TEMP, value,
84                                    COL_TEMP_MIN, min,
85                                    COL_TEMP_MAX, max,
86                                    -1);
87                 free(value);
88                 free(min);
89                 free(max);
90
91                 if (complete) {
92                         color.red = s->color->red;
93                         color.green = s->color->green;
94                         color.blue = s->color->blue;
95
96                         scolor = gdk_color_to_string(&color);
97
98                         gtk_list_store_set(store, &iter,
99                                            COL_NAME, s->name,
100                                            COL_COLOR_STR, scolor,
101                                            COL_ENABLED, s->enabled,
102                                            -1);
103                         free(scolor);
104                 }
105
106                 valid = gtk_tree_model_iter_next(model, &iter);
107         }
108 }
109
110 /*
111  * Returns the sensor corresponding to the x/y position
112  * in the table.
113  *
114  * <null> if none.
115  */
116 static struct psensor *
117 get_sensor_at_pos(GtkTreeView *view, int x, int y, struct ui_psensor *ui)
118 {
119         GtkTreePath *path;
120         GtkTreeModel *model;
121         GtkTreeIter iter;
122         struct psensor *s;
123
124         gtk_tree_view_get_path_at_pos(view, x, y, &path, NULL, NULL, NULL);
125         model = gtk_tree_view_get_model(ui->sensors_tree);
126
127         if (path) {
128                 if (gtk_tree_model_get_iter(model, &iter, path)) {
129                         gtk_tree_model_get(model, &iter, COL_SENSOR, &s, -1);
130                         return s;
131                 }
132         }
133         return NULL;
134 }
135
136 /*
137  * Returns the index of the column corresponding
138  * to the x position in the table.
139  *
140  * -1 if none
141  */
142 static int get_col_index_at_pos(GtkTreeView *view, int x)
143 {
144         GList *columns = gtk_tree_view_get_columns(view);
145         GList *node;
146         int colx = 0;
147         int coli = 0;
148
149         for (node = columns; node; node = node->next) {
150                 GtkTreeViewColumn *checkcol = (GtkTreeViewColumn *) node->data;
151
152                 if (x >= colx &&
153                     x < (colx + gtk_tree_view_column_get_width(checkcol)))
154                         return coli;
155                 else
156                         colx += gtk_tree_view_column_get_width(checkcol);
157
158                 coli++;
159         }
160
161         return -1;
162 }
163
164 static void on_preferences_activated(GtkWidget *menu_item, gpointer data)
165 {
166         struct cb_data *cb_data = data;
167
168         ui_sensorpref_dialog_run(cb_data->sensor, cb_data->ui);
169 }
170
171 static GtkWidget *create_sensor_popup(struct ui_psensor *ui,
172                                       struct psensor *sensor)
173 {
174         GtkWidget *menu, *item, *separator;
175         struct cb_data *data;
176
177         menu = gtk_menu_new();
178
179         item = gtk_menu_item_new_with_label(sensor->name);
180         gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
181
182         separator = gtk_separator_menu_item_new();
183         gtk_menu_shell_append(GTK_MENU_SHELL(menu), separator);
184
185         item = gtk_menu_item_new_with_label(_("Preferences"));
186         gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
187
188         data = malloc(sizeof(struct cb_data));
189         data->ui = ui;
190         data->sensor = sensor;
191
192         g_signal_connect(item,
193                          "activate",
194                          G_CALLBACK(on_preferences_activated), data);
195
196         gtk_widget_show_all(menu);
197
198         return menu;
199 }
200
201 static int on_clicked(GtkWidget *widget, GdkEventButton *event, gpointer data)
202 {
203         GtkWidget *menu;
204         struct ui_psensor *ui;
205         GtkTreeView *view;
206         struct psensor *s;
207         int coli;
208
209         if (event->button != 3)
210                 return FALSE;
211
212         ui = (struct ui_psensor *)data;
213         view = ui->sensors_tree;
214
215         s = get_sensor_at_pos(view, event->x, event->y, ui);
216
217         if (s) {
218                 coli = col_index_to_col(get_col_index_at_pos(view, event->x));
219
220                 if (coli == COL_COLOR) {
221                         if (ui_change_color(_("Select foreground color"),
222                                             s->color)) {
223                                 ui_sensorlist_update(ui, 1);
224                                 config_set_sensor_color(s->id, s->color);
225                         }
226                 } else if (coli >= 0 && coli != COL_ENABLED) {
227                         menu = create_sensor_popup(ui, s);
228
229                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
230                                        event->button, event->time);
231                 }
232
233         }
234         return TRUE;
235 }
236
237 static void
238 toggled_cbk(GtkCellRendererToggle *cell, gchar *path_str, gpointer data)
239 {
240         struct ui_psensor *ui;
241         GtkTreeModel *model;
242         GtkTreeIter iter;
243         GtkTreePath *path;
244         struct psensor *s;
245
246         ui = (struct ui_psensor *)data;
247         model = gtk_tree_view_get_model(ui->sensors_tree);
248         path = gtk_tree_path_new_from_string(path_str);
249
250         gtk_tree_model_get_iter(model, &iter, path);
251
252         gtk_tree_model_get(model, &iter, COL_SENSOR, &s, -1);
253
254         s->enabled ^= 1;
255         config_set_sensor_enabled(s->id, s->enabled);
256
257         gtk_list_store_set(GTK_LIST_STORE(model), &iter,
258                            COL_ENABLED, s->enabled, -1);
259
260         gtk_tree_path_free(path);
261 }
262
263 static int cmp_sensors(const void *p1, const void *p2)
264 {
265         const struct psensor *s1, *s2;
266         int pos1, pos2;
267
268         s1 = *(void **)p1;
269         s2 = *(void **)p2;
270
271         pos1 = config_get_sensor_position(s1->id);
272         pos2 = config_get_sensor_position(s2->id);
273
274         return pos1 - pos2;
275 }
276
277 void ui_sensorlist_create(struct ui_psensor *ui)
278 {
279         GtkListStore *store;
280         GtkCellRenderer *renderer;
281         struct psensor **s_cur;
282         GtkTreeIter iter;
283         struct psensor **ordered_sensors;
284
285         log_debug("ui_sensorlist_create()");
286
287         renderer = gtk_cell_renderer_text_new();
288         gtk_tree_view_insert_column_with_attributes(ui->sensors_tree,
289                                                     -1,
290                                                     _("Sensor"),
291                                                     renderer,
292                                                     "text", COL_NAME, NULL);
293
294         gtk_tree_view_insert_column_with_attributes(ui->sensors_tree,
295                                                     -1,
296                                                     _("Value"),
297                                                     renderer,
298                                                     "text", COL_TEMP, NULL);
299
300         gtk_tree_view_insert_column_with_attributes(ui->sensors_tree,
301                                                     -1,
302                                                     _("Min"),
303                                                     renderer,
304                                                     "text", COL_TEMP_MIN, NULL);
305
306         gtk_tree_view_insert_column_with_attributes(ui->sensors_tree,
307                                                     -1,
308                                                     _("Max"),
309                                                     renderer,
310                                                     "text", COL_TEMP_MAX, NULL);
311
312         renderer = gtk_cell_renderer_text_new();
313         gtk_tree_view_insert_column_with_attributes(ui->sensors_tree,
314                                                     -1,
315                                                     _("Color"),
316                                                     renderer,
317                                                     "text", COL_COLOR,
318                                                     "background", COL_COLOR_STR,
319                                                     NULL);
320
321         g_signal_connect(ui->sensors_tree,
322                          "button-press-event", (GCallback) on_clicked, ui);
323
324         renderer = gtk_cell_renderer_toggle_new();
325         gtk_tree_view_insert_column_with_attributes(ui->sensors_tree,
326                                                     -1,
327                                                     _("Graph"),
328                                                     renderer,
329                                                     "active", COL_ENABLED,
330                                                     NULL);
331         g_signal_connect(G_OBJECT(renderer),
332                          "toggled", (GCallback) toggled_cbk, ui);
333
334         renderer = gtk_cell_renderer_text_new();
335         gtk_tree_view_insert_column_with_attributes(ui->sensors_tree,
336                                                     -1,
337                                                     "",
338                                                     renderer,
339                                                     "text", COL_EMPTY, NULL);
340
341         ordered_sensors = psensor_list_copy(ui->sensors);
342         qsort(ordered_sensors,
343               psensor_list_size(ordered_sensors),
344               sizeof(struct psensor *),
345               cmp_sensors);
346
347         store = ui->sensors_store;
348         for (s_cur = ordered_sensors; *s_cur; s_cur++) {
349                 gtk_list_store_append(store, &iter);
350                 gtk_list_store_set(store, &iter, COL_SENSOR, *s_cur, -1);
351         }
352         free(ordered_sensors);
353
354         ui_sensorlist_update(ui, 1);
355 }