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 "kernel/screen.h"
   6 #include "kernel/parse.h"
   7 #include "history.h"
   8 #include <glib.h>
   9 #include <string.h>
  10 #ifdef HAVE_STDLIB_H
  11 #  include <stdlib.h>
  12 #endif
  13
  14 #define PLACED        (1 << 0)
  15
  16 #define HAVE_POSITION (1 << 1)
  17 #define HAVE_SIZE     (1 << 2)
  18 #define HAVE_DESKTOP  (1 << 3)
  19
  20 struct HistoryItem {
  21     char *name;
  22     char *class;
  23     char *role;
  24
  25     int flags;
  26
  27     int x, y;
  28     int w, h;
  29     guint desk;
  30 };
  31
  32 static GSList *history_list = NULL;
  33 static char *history_path = NULL;
  34
  35 static struct HistoryItem *history_find(const char *name, const char *class,
  36                                  const char *role)
  37 {
  38     GSList *it;
  39     struct HistoryItem *hi = NULL;
  40
  41     /* find the client */
  42     for (it = history_list; it != NULL; it = it->next) {
  43         hi = it->data;
  44         if (!g_utf8_collate(hi->name, name) &&
  45             !g_utf8_collate(hi->class, class) &&
  46             !g_utf8_collate(hi->role, role))
  47             return hi;
  48     }
  49     return NULL;
  50 }
  51
  52 gboolean place_history(Client *c)
  53 {
  54     struct HistoryItem *hi;
  55     int x, y, w, h;
  56
  57     hi = history_find(c->name, c->class, c->role);
  58
  59     if (hi && !(hi->flags & PLACED)) {
  60         hi->flags |= PLACED;
  61         if (ob_state != State_Starting) {
  62             if (hi->flags & HAVE_POSITION ||
  63                 hi->flags & HAVE_SIZE) {
  64                 if (hi->flags & HAVE_POSITION) {
  65                     x = hi->x;
  66                     y = hi->y;
  67                     /* get where the client should be */
  68                     frame_frame_gravity(c->frame, &x, &y);
  69                 } else {
  70                     x = c->area.x;
  71                     y = c->area.y;
  72                 }
  73                 if (hi->flags & HAVE_SIZE) {
  74                     w = hi->w * c->size_inc.width;
  75                     h = hi->h * c->size_inc.height;
  76                 } else {
  77                     w = c->area.width;
  78                     h = c->area.height;
  79                 }
  80                 client_configure(c, Corner_TopLeft, x, y, w, h,
  81                                  TRUE, TRUE);
  82             }
  83             if (hi->flags & HAVE_DESKTOP) {
  84                 client_set_desktop(c, hi->desk, FALSE);
  85             }
  86         }
  87         return hi->flags & HAVE_POSITION;
  88     }
  89
  90     return FALSE;
  91 }
  92
  93 static void set_history(Client *c)
  94 {
  95     struct HistoryItem *hi;
  96
  97     hi = history_find(c->name, c->class, c->role);
  98
  99     if (hi == NULL) {
 100         hi = g_new(struct HistoryItem, 1);
 101         history_list = g_slist_append(history_list, hi);
 102         hi->name = g_strdup(c->name);
 103         hi->class = g_strdup(c->class);
 104         hi->role = g_strdup(c->role);
 105         hi->flags = HAVE_POSITION;
 106     }
 107
 108     if (hi->flags & HAVE_POSITION) {
 109         hi->x = c->frame->area.x;
 110         hi->y = c->frame->area.y;
 111     }
 112
 113     hi->flags &= ~PLACED;
 114 }
 115
 116 static void event(ObEvent *e, void *foo)
 117 {
 118     g_assert(e->type == Event_Client_Destroy);
 119
 120     set_history(e->data.c.client);
 121 }
 122
 123 /*
 124
 125 <entry name="name" class="class" role="role">
 126   <x>0</x>
 127   <y>0</y>
 128   <width>300</width>
 129   <height>200</height>
 130   <desktop>1</desktop>
 131 </entry>
 132
 133 */
 134
 135 static void save_history()
 136 {
 137     xmlDocPtr doc;
 138     xmlNodePtr root, node;
 139     char *s;
 140     GSList *it;
 141
 142     doc = xmlNewDoc(NULL);
 143     root = xmlNewNode(NULL, (const xmlChar*) "openbox_history");
 144     xmlDocSetRootElement(doc, root);
 145
 146     for (it = history_list; it; it = g_slist_next(it)) {
 147         struct HistoryItem *hi = it->data;
 148         g_message("adding %s", hi->name);
 149         node = xmlNewChild(root, NULL, (const xmlChar*) "entry", NULL);
 150         xmlNewProp(node, (const xmlChar*) "name", (const xmlChar*) hi->name);
 151         xmlNewProp(node, (const xmlChar*) "class", (const xmlChar*) hi->class);
 152         xmlNewProp(node, (const xmlChar*) "role", (const xmlChar*) hi->role);
 153         if (hi->flags & HAVE_POSITION) {
 154             s = g_strdup_printf("%d", hi->x);
 155             xmlNewTextChild(node, NULL,
 156                             (const xmlChar*) "x", (const xmlChar*) s);
 157             g_free(s);
 158             s = g_strdup_printf("%d", hi->y);
 159             xmlNewTextChild(node, NULL,
 160                             (const xmlChar*) "y", (const xmlChar*) s);
 161             g_free(s);
 162         }
 163         if (hi->flags & HAVE_SIZE) {
 164             s = g_strdup_printf("%d", hi->w);
 165             xmlNewTextChild(node, NULL,
 166                             (const xmlChar*) "width", (const xmlChar*) s);
 167             g_free(s);
 168             s = g_strdup_printf("%d", hi->h);
 169             xmlNewTextChild(node, NULL,
 170                             (const xmlChar*) "height", (const xmlChar*) s);
 171             g_free(s);
 172         }
 173         if (hi->flags & HAVE_DESKTOP) {
 174             s = g_strdup_printf("%d", hi->desk < 0 ? hi->desk : hi->desk + 1);
 175             xmlNewTextChild(node, NULL,
 176                             (const xmlChar*) "desktop", (const xmlChar*) s);
 177             g_free(s);
 178         }
 179     }
 180
 181     xmlIndentTreeOutput = 1;
 182     xmlSaveFormatFile(history_path, doc, 1);
 183
 184     xmlFree(doc);
 185 }
 186
 187 static void load_history()
 188 {
 189     xmlDocPtr doc;
 190     xmlNodePtr node, n;
 191     char *name;
 192     char *class;
 193     char *role;
 194     struct HistoryItem *hi;
 195
 196     if (!(doc = xmlParseFile(history_path)))
 197         return;
 198     if (!(node = xmlDocGetRootElement(doc))) {
 199         xmlFreeDoc(doc);
 200         doc = NULL;
 201         return;
 202     }
 203     if (xmlStrcasecmp(node->name, (const xmlChar*)"openbox_history")) {
 204         xmlFreeDoc(doc);
 205         doc = NULL;
 206         return;
 207     }
 208
 209     node = parse_find_node("entry", node->xmlChildrenNode);
 210     while (node) {
 211         name = class = role = NULL;
 212         if (parse_attr_string("name", node, &name) &&
 213             parse_attr_string("class", node, &class) &&
 214             parse_attr_string("role", node, &role)) {
 215
 216             hi = history_find(name, class, role);
 217             if (!hi) {
 218                 hi = g_new(struct HistoryItem, 1);
 219                 hi->name = g_strdup(name);
 220                 hi->class = g_strdup(class);
 221                 hi->role = g_strdup(role);
 222                 hi->flags = 0;
 223             }
 224             if ((n = parse_find_node("x", node->xmlChildrenNode))) {
 225                 hi->x = parse_int(doc, n);
 226                 if ((n = parse_find_node("y", node->xmlChildrenNode))) {
 227                     hi->y = parse_int(doc, n);
 228                     hi->flags |= HAVE_POSITION;
 229                 }
 230             }
 231             if ((n = parse_find_node("width", node->xmlChildrenNode))) {
 232                 hi->w = parse_int(doc, n);
 233                 if ((n = parse_find_node("height", node->xmlChildrenNode))) {
 234                     hi->h = parse_int(doc, n);
 235                     hi->flags |= HAVE_SIZE;
 236                 }
 237             }
 238             if ((n = parse_find_node("desktop", node->xmlChildrenNode))) {
 239                 hi->desk = parse_int(doc, n);
 240                 if (hi->desk > 0) --hi->desk;
 241                 hi->flags |= HAVE_DESKTOP;
 242             }
 243
 244             history_list = g_slist_append(history_list, hi);
 245         }
 246         g_free(name); g_free(class); g_free(role);
 247         node = parse_find_node("entry", node->next);
 248     }
 249     xmlFree(doc);
 250 }
 251
 252 void history_startup()
 253 {
 254     char *path;
 255
 256     history_list = NULL;
 257
 258     path = g_build_filename(g_get_home_dir(), ".openbox", "history", NULL);
 259     history_path = g_strdup_printf("%s.%d", path, ob_screen);
 260     g_free(path);
 261
 262     load_history(); /* load from the historydb file */
 263
 264     dispatch_register(Event_Client_Destroy, (EventHandler)event, NULL);
 265 }
 266
 267 void history_shutdown()
 268 {
 269     GSList *it;
 270
 271     save_history(); /* save to the historydb file */
 272     for (it = history_list; it != NULL; it = it->next) {
 273         struct HistoryItem *hi = it->data;
 274         g_free(hi->name);
 275         g_free(hi->class);
 276         g_free(hi->role);
 277         g_free(hi);
 278     }
 279     g_slist_free(history_list);
 280
 281     dispatch_register(0, (EventHandler)event, NULL);
 282
 283     g_free(history_path);
 284 }