openbox/actions/growtoedge.c

   1 #include "openbox/actions.h"
   2 #include "openbox/misc.h"
   3 #include "openbox/client.h"
   4 #include "openbox/frame.h"
   5 #include "openbox/screen.h"
   6 #include <glib.h>
   7
   8 typedef struct {
   9     ObDirection dir;
  10 } Options;
  11
  12 static gpointer setup_func(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node);
  13 static void     free_func(gpointer options);
  14 static gboolean run_func(ObActionsData *data, gpointer options);
  15
  16 void action_growtoedge_startup()
  17 {
  18     actions_register("GrowToEdge",
  19                      setup_func,
  20                      free_func,
  21                      run_func,
  22                      NULL, NULL);
  23 }
  24
  25 static gpointer setup_func(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node)
  26 {
  27     xmlNodePtr n;
  28     Options *o;
  29
  30     o = g_new0(Options, 1);
  31     o->dir = OB_DIRECTION_NORTH;
  32
  33     if ((n = parse_find_node("direction", node))) {
  34         gchar *s = parse_string(doc, n);
  35         if (!g_ascii_strcasecmp(s, "north") ||
  36             !g_ascii_strcasecmp(s, "up"))
  37             o->dir = OB_DIRECTION_NORTH;
  38         else if (!g_ascii_strcasecmp(s, "south") ||
  39                  !g_ascii_strcasecmp(s, "down"))
  40             o->dir = OB_DIRECTION_SOUTH;
  41         else if (!g_ascii_strcasecmp(s, "west") ||
  42                  !g_ascii_strcasecmp(s, "left"))
  43             o->dir = OB_DIRECTION_WEST;
  44         else if (!g_ascii_strcasecmp(s, "east") ||
  45                  !g_ascii_strcasecmp(s, "right"))
  46             o->dir = OB_DIRECTION_EAST;
  47         g_free(s);
  48     }
  49
  50     return o;
  51 }
  52
  53 static void free_func(gpointer options)
  54 {
  55     Options *o = options;
  56
  57     g_free(o);
  58 }
  59
  60 static gboolean do_grow(ObActionsData *data, gint x, gint y, gint w, gint h)
  61 {
  62     gint realw, realh, lw, lh;
  63
  64     realw = w;
  65     realh = h;
  66     client_try_configure(data->client, &x, &y, &realw, &realh,
  67                          &lw, &lh, TRUE);
  68     /* if it's going to be resized smaller than it intended, don't
  69        move the window over */
  70     if (x != data->client->area.x) x += w - realw;
  71     if (y != data->client->area.y) y += h - realh;
  72
  73     if (x != data->client->area.x || y != data->client->area.y ||
  74         realw != data->client->area.width ||
  75         realh != data->client->area.height)
  76     {
  77         actions_client_move(data, TRUE);
  78         client_move_resize(data->client, x, y, realw, realh);
  79         actions_client_move(data, FALSE);
  80         return TRUE;
  81     }
  82     return FALSE;
  83 }
  84
  85 /* Always return FALSE because its not interactive */
  86 static gboolean run_func(ObActionsData *data, gpointer options)
  87 {
  88     Options *o = options;
  89     gint x, y, w, h;
  90     ObDirection opp;
  91     gint half;
  92
  93     if (!data->client ||
  94         /* don't allow vertical resize if shaded */
  95         ((o->dir == OB_DIRECTION_NORTH || o->dir == OB_DIRECTION_SOUTH) &&
  96          data->client->shaded))
  97     {
  98         return FALSE;
  99     }
 100
 101     /* try grow */
 102     client_find_resize_directional(data->client, o->dir, TRUE,
 103                                    &x, &y, &w, &h);
 104     if (do_grow(data, x, y, w, h))
 105         return FALSE;
 106
 107     /* we couldn't grow, so try shrink! */
 108     opp = (o->dir == OB_DIRECTION_NORTH ? OB_DIRECTION_SOUTH :
 109            (o->dir == OB_DIRECTION_SOUTH ? OB_DIRECTION_NORTH :
 110             (o->dir == OB_DIRECTION_EAST ? OB_DIRECTION_WEST :
 111              OB_DIRECTION_EAST)));
 112     client_find_resize_directional(data->client, opp, FALSE,
 113                                    &x, &y, &w, &h);
 114     switch (opp) {
 115     case OB_DIRECTION_NORTH:
 116         half = data->client->area.y + data->client->area.height / 2;
 117         if (y > half) {
 118             h += y - half;
 119             y = half;
 120         }
 121         break;
 122     case OB_DIRECTION_SOUTH:
 123         half = data->client->area.height / 2;
 124         if (h < half)
 125             h = half;
 126         break;
 127     case OB_DIRECTION_WEST:
 128         half = data->client->area.x + data->client->area.width / 2;
 129         if (x > half) {
 130             w += x - half;
 131             x = half;
 132         }
 133         break;
 134     case OB_DIRECTION_EAST:
 135         half = data->client->area.width / 2;
 136         if (w < half)
 137             w = half;
 138         break;
 139     default: g_assert_not_reached();
 140     }
 141     if (do_grow(data, x, y, w, h))
 142         return FALSE;
 143
 144     return FALSE;
 145 }