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

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