wmhdplop/gkrellm_hdplop.c

   1 /*
   2  *
   3  * gkrellm_hdplop.c
   4  * dae (jolly.frederic@fnac.net)
   5  *
   6  * gkrellm plugin for wmhdplop:
   7  * http://hules.free.fr/wmhdplop/
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  22  *     02111-1307, USA.
  23  *
  24  */
  25
  26 #include <libgen.h>
  27 #include <unistd.h>
  28 #include <errno.h>
  29 #include <stdlib.h>
  30 #include <time.h>
  31
  32 #include "config.h"
  33 #include "global.h"
  34 #include "wmhdplop.h"
  35 #define PLUGIN_VERSION  VERSION
  36
  37 #define PLUGIN_NAME     "gkhdplop"
  38 #define PLUGIN_DESC     "wmhdplop gkrellm port"
  39 #define PLUGIN_URL      "http://hules.free.fr/wmhdplop/"
  40 #define PLUGIN_STYLE    PLUGIN_NAME
  41 #define PLUGIN_KEYWORD  PLUGIN_NAME
  42
  43
  44 static GkrellmMonitor *mon = NULL;
  45 static GkrellmChart *chart = NULL;
  46 static GkrellmChartconfig *chart_config = NULL;
  47
  48 #define TIMER1 50            /* main updates every 40 ms */
  49 #define TIMER2 50 * TIMER1   /* small updates every 1600 ms */
  50
  51 #define PLUGIN_HEIGHT 64
  52
  53 static gint timeout_id;
  54 static int option_timer = 0;
  55
  56 /* Options stuffs */
  57 GtkWidget *swap_check = NULL;
  58 GtkWidget *io_check = NULL;
  59 GtkWidget *leds_check = NULL;
  60 GtkWidget *colormap = NULL;
  61 GtkWidget *hdlist_check = NULL;
  62 GtkWidget *throughput_threshold = NULL;
  63 GtkWidget *hddtemp_check = NULL;
  64 GtkWidget *entry_smallfont = NULL, *entry_bigfont = NULL;
  65
  66 static gboolean update_plugin(void)
  67 {
  68   GdkEventExpose event;
  69   gint ret_val;
  70   gtk_signal_emit_by_name(GTK_OBJECT(chart->drawing_area), "expose_event", &event, &ret_val);
  71   return TRUE;  /* restart timer */
  72 }
  73
  74 static gint chart_expose_event(GtkWidget *widget UNUSED, GdkEventExpose *ev UNUSED)
  75 {
  76   int update_options = 0;
  77   option_timer++;
  78   if (option_timer == TIMER2 / TIMER1) {
  79     option_timer = 0;
  80     update_options = 1;
  81   }
  82   gkrellm_hdplop_update(update_options);
  83   gkrellm_draw_chart_to_screen(chart);
  84   return TRUE;
  85 }
  86
  87 static gint wheel_event(GtkWidget *widget UNUSED, GdkEventScroll *ev)
  88 {
  89   if (ev->direction == GDK_SCROLL_UP)
  90     next_displayed_hd(); //change_displayed_hd(+1);
  91   else if (ev->direction == GDK_SCROLL_DOWN)
  92     prev_displayed_hd(); //change_displayed_hd(-1);
  93   return TRUE;
  94 }
  95
  96 static gint button_release_event(GtkWidget *widget UNUSED, GdkEventButton *ev, gpointer data UNUSED)
  97 {
  98   if (ev->button == 3) {
  99     gkrellm_open_config_window(mon);
 100   } else if (ev->button == 1) {
 101     change_displayed_hd(+1);
 102   }
 103   return TRUE;
 104 }
 105
 106 static void disable_plugin(void)
 107 {
 108   if (timeout_id)
 109     gtk_timeout_remove(timeout_id);
 110   timeout_id = 0;
 111 }
 112
 113 static void create_plugin(GtkWidget *vbox, gint first_create)
 114 {
 115   if(first_create) {
 116     chart = gkrellm_chart_new0();
 117   }
 118
 119   gkrellm_set_chart_height_default(chart, PLUGIN_HEIGHT);
 120   gkrellm_chart_create(vbox, mon, chart, &chart_config);
 121
 122   if (first_create) {
 123     hdplop_main(chart->w, chart->h, chart->drawing_area->window);
 124   } else {
 125     dockimlib2_gkrellm_xinit(app->dock, chart->drawing_area->window);
 126     reshape(chart->w, chart->h);
 127   }
 128   if (first_create) {
 129     //printf("chart : w=%d, h=%d\n", chart->w, chart->h);
 130     gtk_signal_connect(GTK_OBJECT(chart->drawing_area),
 131                        "expose_event", (GtkSignalFunc) chart_expose_event, NULL);
 132     gtk_signal_connect(GTK_OBJECT(chart->drawing_area),
 133                        "button_release_event", GTK_SIGNAL_FUNC(button_release_event), NULL);
 134     g_signal_connect(G_OBJECT(chart->drawing_area),
 135                        "scroll_event", G_CALLBACK(wheel_event), NULL);
 136   }
 137   /* Update plugin every TIMER1 ms */
 138   if (!timeout_id)
 139     timeout_id = g_timeout_add(TIMER1, (GtkFunction) update_plugin, NULL);
 140   gkrellm_disable_plugin_connect(mon, disable_plugin);
 141 }
 142
 143 static void option_toggled_cb(GtkToggleButton *button, gpointer user_data UNUSED)
 144 {
 145   gboolean active = gtk_toggle_button_get_active(button);
 146   GtkWidget *togglebutton = GTK_WIDGET(button);
 147
 148   if (togglebutton == swap_check) {
 149      Prefs.disable_swap_matrix = !active;
 150   }
 151   else if (togglebutton == io_check) {
 152     Prefs.disable_io_matrix = !active;
 153   }
 154   else if (togglebutton == hdlist_check) {
 155     if (active) {
 156       Prefs.hdlist_pos = AL_BOTTOM + AL_LEFT;
 157       gtk_widget_set_sensitive(leds_check, TRUE);
 158       gtk_widget_set_sensitive(hddtemp_check, TRUE);
 159     }
 160     else {
 161       Prefs.hdlist_pos = AL_NONE;
 162       gtk_widget_set_sensitive(leds_check, FALSE);
 163       gtk_widget_set_sensitive(hddtemp_check, FALSE);
 164     }
 165   }
 166   else if (togglebutton == leds_check) {
 167     Prefs.disable_hd_leds = !active;
 168   }
 169   else if (togglebutton == hddtemp_check) {
 170     Prefs.enable_hddtemp = active;
 171     app->displayed_hd_changed = 1;
 172   }
 173 }
 174
 175 static void cb_colormap_modified(GtkWidget *widget UNUSED, GtkSpinButton *spin)
 176 {
 177   Prefs.iomatrix_colormap = gtk_spin_button_get_value_as_int(spin);
 178 }
 179
 180 static void cb_spinbutton_modified(GtkWidget *widget UNUSED, GtkSpinButton *spin)
 181 {
 182   if (GTK_WIDGET(spin) == throughput_threshold) {
 183     Prefs.popup_throughput_threshold = gtk_spin_button_get_value_as_float(spin);
 184   }
 185 }
 186
 187 static void cb_reload_fonts(GtkWidget *widget) {
 188   (void) widget;
 189   if (strcmp(gtk_entry_get_text(GTK_ENTRY(entry_smallfont)), app->current_smallfont_name) ||
 190       strcmp(gtk_entry_get_text(GTK_ENTRY(entry_bigfont)), app->current_bigfont_name)) {
 191     ASSIGN_STRING(Prefs.smallfontname, gtk_entry_get_text(GTK_ENTRY(entry_smallfont)));
 192     ASSIGN_STRING(Prefs.bigfontname, gtk_entry_get_text(GTK_ENTRY(entry_bigfont)));
 193     init_fonts(app);
 194     if (app->smallfont == NULL) {
 195       gkrellm_config_message_dialog("font problem..", "could not load the small font");
 196     } else gtk_entry_set_text(GTK_ENTRY(entry_smallfont), app->current_smallfont_name);
 197     if (app->bigfont == NULL) {
 198       gkrellm_config_message_dialog("font problem..", "could not load the big font");
 199     } else gtk_entry_set_text(GTK_ENTRY(entry_bigfont), app->current_bigfont_name);
 200     /* force recomputations of some dimensions */
 201     app->displayed_hd_changed = 1; app->reshape_cnt++;
 202   }
 203 }
 204
 205 static void create_plugin_tab(GtkWidget *tab_vbox)
 206 {
 207   GtkWidget *tabs = NULL;
 208   GtkWidget *options_tab = NULL;
 209   GtkWidget *info_tab = NULL;
 210   GtkWidget *info = NULL;
 211   GtkWidget *about_tab = NULL;
 212   GtkWidget *about = NULL;
 213   GtkWidget *main_box;
 214
 215   static gchar *info_text[] =
 216     {
 217       "<b>" PLUGIN_NAME "\n\n",
 218       PLUGIN_DESC "\n\n",
 219       "improve your productivity with " PLUGIN_NAME ":\n",
 220       "It monitors your hard-drives by sending visual stimuli to your cortex\n",
 221       "each time your /dev/hdx writes or reads anything.\n",
 222       "Try to launch openoffice and enjoy the gkhdplop show!\n\n",
 223       "<i>Usage:\n\n",
 224       "- Change the hard drive with the mouse wheel\n",
 225       "- Animation reflecting swap activity...\n",
 226       "- Background animation reflecting disk activity...\n",
 227       "- Small led indicating disk activity...\n",
 228       "- Several glittering color schemes...\n",
 229       "- Popup display with the io throughput...\n",
 230     };
 231
 232   static gchar *about_text =
 233     _(
 234       PLUGIN_NAME " " PLUGIN_VERSION "\n"
 235       "a " PLUGIN_DESC "\n\n"
 236       "Copyright (c) 2004 dae\n"
 237       "jolly.frederic@fnac.net\n"
 238       "http://quadaemon.free.fr\n\n"
 239       "Based on wmhdplop\nCopyright (c) 2003,2004 pouaite\n"
 240       PLUGIN_URL "\n\n"
 241       "Released under the GNU Public Licence"
 242       );
 243
 244   tabs = gtk_notebook_new();
 245   gtk_notebook_set_tab_pos(GTK_NOTEBOOK(tabs), GTK_POS_TOP);
 246   gtk_box_pack_start(GTK_BOX(tab_vbox), tabs, TRUE, TRUE, 0);
 247
 248   /* Options tab */
 249   options_tab = gkrellm_gtk_notebook_page(tabs, _("Options"));
 250
 251   main_box = gtk_vbox_new(FALSE, 0);
 252   gtk_widget_set_name(main_box, "main_box");
 253   gtk_widget_ref(main_box);
 254   gtk_object_set_data_full(GTK_OBJECT (options_tab), "main_box", main_box,
 255                            (GtkDestroyNotify) gtk_widget_unref);
 256   gtk_widget_show(main_box);
 257   gtk_container_add(GTK_CONTAINER (options_tab), main_box);
 258
 259   /* io button */
 260   gkrellm_gtk_check_button_connected(main_box, &io_check, !Prefs.disable_io_matrix, 1, 1, 0,
 261                                      option_toggled_cb, NULL, _("Show disk activity"));
 262   /* swap button */
 263   gkrellm_gtk_check_button_connected(main_box, &swap_check, !Prefs.disable_swap_matrix, 1, 1, 0,
 264                                      option_toggled_cb, NULL, _("Show swap activity"));
 265   /* hdlist button */
 266   gkrellm_gtk_check_button_connected(main_box, &hdlist_check,
 267                                      (Prefs.hdlist_pos == AL_NONE)?FALSE:TRUE, 1, 1, 0,
 268                                      option_toggled_cb, NULL, _("Show disk name"));
 269   /* leds button */
 270   gkrellm_gtk_check_button_connected(main_box, &leds_check, !Prefs.disable_hd_leds, 1, 1, 0,
 271                                      option_toggled_cb, NULL, _("Led indicating disk activity"));
 272   gtk_widget_set_sensitive(leds_check, (Prefs.hdlist_pos == AL_NONE)?FALSE:TRUE);
 273   /* hddtemp button */
 274   gkrellm_gtk_check_button_connected(main_box, &hddtemp_check, Prefs.enable_hddtemp, 1, 1, 0,
 275                                      option_toggled_cb, NULL,
 276                                      _("Display hd temperature (requires hddtemp daemon running on port 7634)"));
 277   gtk_widget_set_sensitive(hddtemp_check, (Prefs.hdlist_pos == AL_NONE)?FALSE:TRUE);
 278   /* colormap spin button */
 279   gkrellm_gtk_spin_button(main_box, NULL, Prefs.iomatrix_colormap, 0, 4, 1, 1, 0, 0,
 280                           cb_colormap_modified, NULL, FALSE, _("Colormap"));
 281
 282   /* threshold spin button */
 283   gkrellm_gtk_spin_button(main_box, &throughput_threshold, Prefs.popup_throughput_threshold, 0., 500, 0.1, 1, 1, 0,
 284                           cb_spinbutton_modified, NULL, FALSE, _("minimum io throughput (MB/s)"));
 285
 286   {
 287     GtkWidget *frame = gtk_frame_new("Fonts");
 288     gtk_box_pack_start(GTK_BOX(main_box), frame, TRUE, FALSE, 0);
 289
 290     GtkWidget *hbox0 = gtk_hbox_new(FALSE, 4);
 291     gtk_container_add(GTK_CONTAINER(frame), hbox0);
 292
 293     GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
 294     gtk_box_pack_start(GTK_BOX(hbox0), vbox, TRUE, FALSE, 0);
 295
 296     GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
 297     gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
 298     entry_smallfont = gtk_entry_new();
 299     gtk_box_pack_start(GTK_BOX(hbox), entry_smallfont, TRUE, FALSE, 0);
 300     GtkWidget *pLabel = gtk_label_new("Small font (without .ttf extension):");
 301     gtk_entry_set_text(GTK_ENTRY(entry_smallfont), app->current_smallfont_name);
 302     gtk_box_pack_start(GTK_BOX(hbox), pLabel, TRUE, FALSE, 0);
 303
 304     hbox = gtk_hbox_new(FALSE, 0);
 305     gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
 306     entry_bigfont = gtk_entry_new();
 307     gtk_box_pack_start(GTK_BOX(hbox), entry_bigfont, TRUE, FALSE, 0);
 308     gtk_entry_set_text(GTK_ENTRY(entry_bigfont), app->current_bigfont_name);
 309     pLabel = gtk_label_new("Big font (without .ttf extension)");
 310     gtk_box_pack_start(GTK_BOX(hbox), pLabel, TRUE, FALSE, 0);
 311
 312     gkrellm_gtk_button_connected(hbox0, NULL, TRUE/* expand*/, TRUE /* fill*/, 0 /*pad*/,
 313                                  G_CALLBACK(cb_reload_fonts), NULL, "reload fonts");
 314   }
 315
 316   /* Info tab */
 317   info_tab = gkrellm_gtk_framed_notebook_page(tabs, _("Info"));
 318   info = gkrellm_gtk_scrolled_text_view(info_tab, NULL, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 319
 320   gkrellm_gtk_text_view_append_strings(info, info_text, sizeof(info_text) / sizeof(gchar *));
 321
 322   /* About tab */
 323   about_tab = gkrellm_gtk_notebook_page(tabs, _("About"));
 324   about = gtk_label_new(about_text);
 325   gtk_box_pack_start(GTK_BOX(about_tab), about, TRUE, TRUE, 0);
 326 }
 327
 328 static void save_plugin_config(FILE *f)
 329 {
 330   fprintf(f, "%s options %d %d %d %d %d %d %f smallfont=%s bigfont=%s\n", PLUGIN_KEYWORD,
 331           Prefs.disable_swap_matrix,
 332           Prefs.disable_io_matrix,
 333           Prefs.disable_hd_leds,
 334           Prefs.hdlist_pos,
 335           Prefs.enable_hddtemp,
 336           Prefs.iomatrix_colormap,
 337           Prefs.popup_throughput_threshold,
 338           app->current_smallfont_name, app->current_bigfont_name);
 339 }
 340
 341 static void load_plugin_config(gchar *config_line)
 342 {
 343   char sf[1000], bf[1000]; sf[0] = bf[0] = 0;
 344   int n =sscanf(config_line, "options %d %d %d %d %d %d %f smallfont=%1000s bigfont=%1000s",
 345                 &Prefs.disable_swap_matrix,
 346                 &Prefs.disable_io_matrix,
 347                 &Prefs.disable_hd_leds,
 348                 &Prefs.hdlist_pos,
 349                 &Prefs.enable_hddtemp,
 350                 &Prefs.iomatrix_colormap,
 351                 &Prefs.popup_throughput_threshold,
 352                 sf, bf);
 353   if (n>= 8) Prefs.smallfontname = strdup(sf);
 354   if (n>= 9) Prefs.bigfontname = strdup(bf);
 355 }
 356
 357 static GkrellmMonitor hdplop_mon =
 358 {
 359   PLUGIN_NAME,         /* Name, for config tab.                    */
 360   0,                   /* Id,  0 if a plugin                       */
 361   create_plugin,       /* The create_plugin() function             */
 362   NULL,                /* The update_plugin() function             */
 363   create_plugin_tab,   /* The create_plugin_tab() config function  */
 364   NULL,                /* The apply_plugin_config() function       */
 365
 366   save_plugin_config,  /* The save_plugin_config() function        */
 367   load_plugin_config,  /* The load_plugin_config() function        */
 368   PLUGIN_KEYWORD,      /* config keyword                           */
 369
 370   NULL,                /* Undefined 2                              */
 371   NULL,                /* Undefined 1                              */
 372   NULL,                /* private                                  */
 373
 374   MON_CPU,             /* Insert plugin before this monitor.       */
 375   NULL,                /* Handle if a plugin, filled in by GKrellM */
 376   NULL                 /* path if a plugin, filled in by GKrellM   */
 377 };
 378
 379
 380 GkrellmMonitor *gkrellm_init_plugin(void)
 381 {
 382   gkrellm_add_meter_style(&hdplop_mon, PLUGIN_STYLE);
 383   return (mon = &hdplop_mon);
 384 }
 385
 386
 387