Dogcows Code - chaz/openbox/blob - plugins/placement/history.c

   1 #include "kernel/openbox.h"
   2 #include "kernel/dispatch.h"
   3 #include "kernel/frame.h"
   4 #include "kernel/client.h"
   5 #include <glib.h>
   6 #include <string.h>
   7 #ifdef HAVE_STDLIB_H
   8 #  include <stdlib.h>
   9 #endif
  10
  11 struct HistoryItem {
  12     char *name;
  13     char *class;
  14     char *role;
  15     int x;
  16     int y;
  17     gboolean placed;
  18 };
  19
  20 static GSList *history = NULL;
  21 static char *history_path = NULL;
  22
  23 static struct HistoryItem *find_history(Client *c)
  24 {
  25     GSList *it;
  26     struct HistoryItem *hi = NULL;
  27
  28     /* find the client */
  29     for (it = history; it != NULL; it = it->next) {
  30         hi = it->data;
  31         g_assert(hi->name != NULL);
  32         g_assert(hi->class != NULL);
  33         g_assert(hi->role != NULL);
  34         g_assert(c->name != NULL);
  35         g_assert(c->class != NULL);
  36         g_assert(c->role != NULL);
  37         if (!strcmp(hi->name, c->name) &&
  38             !strcmp(hi->class, c->class) &&
  39             !strcmp(hi->role, c->role))
  40             return hi;
  41     }
  42     return NULL;
  43 }
  44
  45 gboolean place_history(Client *c)
  46 {
  47     struct HistoryItem *hi;
  48     int x, y;
  49
  50     hi = find_history(c);
  51
  52     if (hi != NULL && !hi->placed) {
  53         hi->placed = TRUE;
  54         if (ob_state != State_Starting) {
  55             x = hi->x;
  56             y = hi->y;
  57
  58             frame_frame_gravity(c->frame, &x, &y); /* get where the client
  59                                                       should be */
  60             client_configure(c, Corner_TopLeft, x, y,
  61                              c->area.width, c->area.height,
  62                              TRUE, TRUE);
  63         }
  64         return TRUE;
  65     }
  66
  67     return FALSE;
  68 }
  69
  70 static void strip_tabs(char *s)
  71 {
  72     while (*s != '\0') {
  73         if (*s == '\t')
  74             *s = ' ';
  75         ++s;
  76     }
  77 }
  78
  79 static void set_history(Client *c)
  80 {
  81     struct HistoryItem *hi;
  82
  83     hi = find_history(c);
  84
  85     if (hi == NULL) {
  86         hi = g_new(struct HistoryItem, 1);
  87         history = g_slist_append(history, hi);
  88         hi->name = g_strdup(c->name);
  89         strip_tabs(hi->name);
  90         hi->class = g_strdup(c->class);
  91         strip_tabs(hi->class);
  92         hi->role = g_strdup(c->role);
  93         strip_tabs(hi->role);
  94     }
  95
  96     hi->x = c->frame->area.x;
  97     hi->y = c->frame->area.y;
  98     hi->placed = FALSE;
  99 }
 100
 101 static void event(ObEvent *e, void *foo)
 102 {
 103     g_assert(e->type == Event_Client_Destroy);
 104
 105     set_history(e->data.c.client);
 106 }
 107
 108 static void save_history()
 109 {
 110     GError *err = NULL;
 111     GIOChannel *io;
 112     GString *buf;
 113     GSList *it;
 114     struct HistoryItem *hi;
 115     gsize ret;
 116
 117     io = g_io_channel_new_file(history_path, "w", &err);
 118     if (io != NULL) {
 119         for (it = history; it != NULL; it = it->next) {
 120             hi = it->data;
 121             buf = g_string_sized_new(0);
 122             buf=g_string_append(buf, hi->name);
 123             g_string_append_c(buf, '\t');
 124             buf=g_string_append(buf, hi->class);
 125             g_string_append_c(buf, '\t');
 126             buf=g_string_append(buf, hi->role);
 127             g_string_append_c(buf, '\t');
 128             g_string_append_printf(buf, "%d", hi->x);
 129             buf=g_string_append_c(buf, '\t');
 130             g_string_append_printf(buf, "%d", hi->y);
 131             buf=g_string_append_c(buf, '\n');
 132             if (g_io_channel_write_chars(io, buf->str, buf->len, &ret, &err) !=
 133                 G_IO_STATUS_NORMAL)
 134                 break;
 135             g_string_free(buf, TRUE);
 136         }
 137         g_io_channel_unref(io);
 138     }
 139 }
 140
 141 static void load_history()
 142 {
 143     GError *err = NULL;
 144     GIOChannel *io;
 145     char *buf = NULL;
 146     char *b, *c;
 147     struct HistoryItem *hi = NULL;
 148
 149     io = g_io_channel_new_file(history_path, "r", &err);
 150     if (io != NULL) {
 151         while (g_io_channel_read_line(io, &buf, NULL, NULL, &err) ==
 152                G_IO_STATUS_NORMAL) {
 153             hi = g_new0(struct HistoryItem, 1);
 154
 155             b = buf;
 156             if ((c = strchr(b, '\t')) == NULL) break;
 157             *c = '\0';
 158             hi->name = g_strdup(b);
 159
 160             b = c + 1;
 161             if ((c = strchr(b, '\t')) == NULL) break;
 162             *c = '\0';
 163             hi->class = g_strdup(b);
 164
 165             b = c + 1;
 166             if ((c = strchr(b, '\t')) == NULL) break;
 167             *c = '\0';
 168             hi->role = g_strdup(b);
 169
 170             b = c + 1;
 171             if ((c = strchr(b, '\t')) == NULL) break;
 172             *c = '\0';
 173             hi->x = atoi(b);
 174
 175             b = c + 1;
 176             if ((c = strchr(b, '\n')) == NULL) break;
 177             *c = '\0';
 178             hi->y = atoi(b);
 179
 180             hi->placed = FALSE;
 181
 182             g_free(buf);
 183             buf = NULL;
 184
 185             history = g_slist_append(history, hi);
 186             hi = NULL;
 187         }
 188         g_io_channel_unref(io);
 189     }
 190
 191     g_free(buf);
 192
 193     if (hi != NULL) {
 194         g_free(hi->name);
 195         g_free(hi->class);
 196         g_free(hi->role);
 197     }
 198     g_free(hi);
 199 }
 200
 201 void history_startup()
 202 {
 203     char *path;
 204
 205     history = NULL;
 206
 207     path = g_build_filename(g_get_home_dir(), ".openbox", "history", NULL);
 208     history_path = g_strdup_printf("%s.%d", path, ob_screen);
 209     g_free(path);
 210
 211     load_history(); /* load from the historydb file */
 212
 213     dispatch_register(Event_Client_Destroy, (EventHandler)event, NULL);
 214 }
 215
 216 void history_shutdown()
 217 {
 218     GSList *it;
 219
 220     save_history(); /* save to the historydb file */
 221     for (it = history; it != NULL; it = it->next)
 222         g_free(it->data);
 223     g_slist_free(history);
 224
 225     dispatch_register(0, (EventHandler)event, NULL);
 226
 227     g_free(history_path);
 228 }