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

   1 #include "kernel/dispatch.h"
   2 #include "kernel/client.h"
   3 #include "kernel/group.h"
   4 #include "kernel/frame.h"
   5 #include "kernel/screen.h"
   6 #include "kernel/openbox.h"
   7 #include "parser/parse.h"
   8 #include "history.h"
   9 #include <glib.h>
  10
  11 static gboolean history;
  12
  13 static void parse_xml(xmlDocPtr doc, xmlNodePtr node, void *d)
  14 {
  15     xmlNodePtr n;
  16
  17     node = node->xmlChildrenNode;
  18     if ((n = parse_find_node("remember", node)))
  19         history = parse_bool(doc, n);
  20 }
  21
  22 void plugin_setup_config()
  23 {
  24     history = TRUE;
  25
  26     parse_register("placement", parse_xml, NULL);
  27 }
  28
  29 static void place_random(ObClient *c)
  30 {
  31     int l, r, t, b;
  32     int x, y;
  33     Rect *area;
  34
  35     if (ob_state() == OB_STATE_STARTING) return;
  36
  37     area = screen_area_monitor(c->desktop,
  38                                g_random_int_range(0, screen_num_monitors));
  39
  40     l = area->x;
  41     t = area->y;
  42     r = area->x + area->width - c->frame->area.width;
  43     b = area->y + area->height - c->frame->area.height;
  44
  45     if (r > l) x = g_random_int_range(l, r + 1);
  46     else       x = 0;
  47     if (b > t) y = g_random_int_range(t, b + 1);
  48     else       y = 0;
  49
  50     frame_frame_gravity(c->frame, &x, &y); /* get where the client should be */
  51     client_configure(c, OB_CORNER_TOPLEFT, x, y, c->area.width, c->area.height,
  52                      TRUE, TRUE);
  53 }
  54
  55 static void event(ObEvent *e, void *foo)
  56 {
  57     g_assert(e->type == Event_Client_New);
  58
  59     if (e->data.c.client->transient_for) {
  60         if (e->data.c.client->transient_for != OB_TRAN_GROUP) {
  61             ObClient *c = e->data.c.client;
  62             ObClient *p = e->data.c.client->transient_for;
  63             int x = (p->frame->area.width - c->frame->area.width) / 2 +
  64                 p->frame->area.x;
  65             int y = (p->frame->area.height - c->frame->area.height) / 2 +
  66                 p->frame->area.y;
  67             client_configure(c, OB_CORNER_TOPLEFT, x, y,
  68                              c->area.width, c->area.height,
  69                              TRUE, TRUE);
  70             return;
  71         } else {
  72             GSList *it;
  73             ObClient *c = e->data.c.client;
  74             gboolean first = TRUE;
  75             int l, r, t, b;
  76             for (it = c->group->members; it; it = it->next) {
  77                 ObClient *m = it->data;
  78                 if (!(m == c || m->transient_for)) {
  79                     if (first) {
  80                         l = m->frame->area.x;
  81                         t = m->frame->area.y;
  82                         r = m->frame->area.x + m->frame->area.width - 1;
  83                         b = m->frame->area.y + m->frame->area.height - 1;
  84                         first = FALSE;
  85                     } else {
  86                         l = MIN(l, m->frame->area.x);
  87                         t = MIN(t, m->frame->area.y);
  88                         r = MAX(r, m->frame->area.x +m->frame->area.width - 1);
  89                         b = MAX(b, m->frame->area.y +m->frame->area.height -1);
  90                     }
  91                 }
  92             }
  93             if (!first) {
  94                 int x = ((r + 1 - l) - c->frame->area.width) / 2 + l;
  95                 int y = ((b + 1 - t) - c->frame->area.height) / 2 + t;
  96                 client_configure(c, OB_CORNER_TOPLEFT, x, y,
  97                                  c->area.width, c->area.height,
  98                                  TRUE, TRUE);
  99                 return;
 100             }
 101         }
 102     }
 103
 104     /* requested a position */
 105     if (e->data.c.client->positioned) return;
 106
 107     if (!history || !place_history(e->data.c.client))
 108         place_random(e->data.c.client);
 109 }
 110
 111 void plugin_startup()
 112 {
 113     dispatch_register(Event_Client_New, (EventHandler)event, NULL);
 114
 115     history_startup();
 116 }
 117
 118 void plugin_shutdown()
 119 {
 120     dispatch_register(0, (EventHandler)event, NULL);
 121
 122     history_shutdown();
 123 }