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     gboolean shrink;
  11 } Options;
  12
  13 static gpointer setup_func(xmlNodePtr node);
  14 static gpointer setup_shrink_func(xmlNodePtr node);
  15 static void free_func(gpointer o);
  16 static gboolean run_func(ObActionsData *data, gpointer options);
  17 /* 3.4-compatibility */
  18 static gpointer setup_north_func(xmlNodePtr node);
  19 static gpointer setup_south_func(xmlNodePtr node);
  20 static gpointer setup_east_func(xmlNodePtr node);
  21 static gpointer setup_west_func(xmlNodePtr node);
  22
  23 void action_growtoedge_startup(void)
  24 {
  25     actions_register("GrowToEdge", setup_func,
  26                      free_func, run_func);
  27     actions_register("ShrinkToEdge", setup_shrink_func,
  28                      free_func, run_func);
  29     /* 3.4-compatibility */
  30     actions_register("GrowToEdgeNorth", setup_north_func, free_func, run_func);
  31     actions_register("GrowToEdgeSouth", setup_south_func, free_func, run_func);
  32     actions_register("GrowToEdgeEast", setup_east_func, free_func, run_func);
  33     actions_register("GrowToEdgeWest", setup_west_func, free_func, run_func);
  34 }
  35
  36 static gpointer setup_func(xmlNodePtr node)
  37 {
  38     xmlNodePtr n;
  39     Options *o;
  40
  41     o = g_slice_new0(Options);
  42     o->dir = OB_DIRECTION_NORTH;
  43     o->shrink = FALSE;
  44
  45     if ((n = obt_xml_find_node(node, "direction"))) {
  46         gchar *s = obt_xml_node_string(n);
  47         if (!g_ascii_strcasecmp(s, "north") ||
  48             !g_ascii_strcasecmp(s, "up"))
  49             o->dir = OB_DIRECTION_NORTH;
  50         else if (!g_ascii_strcasecmp(s, "south") ||
  51                  !g_ascii_strcasecmp(s, "down"))
  52             o->dir = OB_DIRECTION_SOUTH;
  53         else if (!g_ascii_strcasecmp(s, "west") ||
  54                  !g_ascii_strcasecmp(s, "left"))
  55             o->dir = OB_DIRECTION_WEST;
  56         else if (!g_ascii_strcasecmp(s, "east") ||
  57                  !g_ascii_strcasecmp(s, "right"))
  58             o->dir = OB_DIRECTION_EAST;
  59         g_free(s);
  60     }
  61
  62     return o;
  63 }
  64
  65 static gpointer setup_shrink_func(xmlNodePtr node)
  66 {
  67     Options *o;
  68
  69     o = setup_func(node);
  70     o->shrink = TRUE;
  71
  72     return o;
  73 }
  74
  75 static gboolean do_grow(ObActionsData *data, gint x, gint y, gint w, gint h)
  76 {
  77     gint realw, realh, lw, lh;
  78
  79     realw = w;
  80     realh = h;
  81     client_try_configure(data->client, &x, &y, &realw, &realh,
  82                          &lw, &lh, TRUE);
  83     /* if it's going to be resized smaller than it intended, don't
  84        move the window over */
  85     if (x != data->client->area.x) x += w - realw;
  86     if (y != data->client->area.y) y += h - realh;
  87
  88     if (x != data->client->area.x || y != data->client->area.y ||
  89         realw != data->client->area.width ||
  90         realh != data->client->area.height)
  91     {
  92         actions_client_move(data, TRUE);
  93         client_move_resize(data->client, x, y, realw, realh);
  94         actions_client_move(data, FALSE);
  95         return TRUE;
  96     }
  97     return FALSE;
  98 }
  99
 100 static void free_func(gpointer o)
 101 {
 102     g_slice_free(Options, o);
 103 }
 104
 105 /* Always return FALSE because its not interactive */
 106 static gboolean run_func(ObActionsData *data, gpointer options)
 107 {
 108     Options *o = options;
 109     gint x, y, w, h;
 110     ObDirection opp;
 111     gint half;
 112
 113     if (!data->client ||
 114         /* don't allow vertical resize if shaded */
 115         ((o->dir == OB_DIRECTION_NORTH || o->dir == OB_DIRECTION_SOUTH) &&
 116          data->client->shaded))
 117     {
 118         return FALSE;
 119     }
 120
 121     if (!o->shrink) {
 122         /* try grow */
 123         client_find_resize_directional(data->client, o->dir, TRUE,
 124                                        &x, &y, &w, &h);
 125         if (do_grow(data, x, y, w, h))
 126             return FALSE;
 127     }
 128
 129     /* we couldn't grow, so try shrink! */
 130     opp = (o->dir == OB_DIRECTION_NORTH ? OB_DIRECTION_SOUTH :
 131            (o->dir == OB_DIRECTION_SOUTH ? OB_DIRECTION_NORTH :
 132             (o->dir == OB_DIRECTION_EAST ? OB_DIRECTION_WEST :
 133              OB_DIRECTION_EAST)));
 134     client_find_resize_directional(data->client, opp, FALSE,
 135                                    &x, &y, &w, &h);
 136     switch (opp) {
 137     case OB_DIRECTION_NORTH:
 138         half = data->client->area.y + data->client->area.height / 2;
 139         if (y > half) {
 140             h += y - half;
 141             y = half;
 142         }
 143         break;
 144     case OB_DIRECTION_SOUTH:
 145         half = data->client->area.height / 2;
 146         if (h < half)
 147             h = half;
 148         break;
 149     case OB_DIRECTION_WEST:
 150         half = data->client->area.x + data->client->area.width / 2;
 151         if (x > half) {
 152             w += x - half;
 153             x = half;
 154         }
 155         break;
 156     case OB_DIRECTION_EAST:
 157         half = data->client->area.width / 2;
 158         if (w < half)
 159             w = half;
 160         break;
 161     default: g_assert_not_reached();
 162     }
 163     if (do_grow(data, x, y, w, h))
 164         return FALSE;
 165
 166     return FALSE;
 167 }
 168
 169 /* 3.4-compatibility */
 170 static gpointer setup_north_func(xmlNodePtr node)
 171 {
 172     Options *o = g_slice_new0(Options);
 173     o->shrink = FALSE;
 174     o->dir = OB_DIRECTION_NORTH;
 175     return o;
 176 }
 177
 178 static gpointer setup_south_func(xmlNodePtr node)
 179 {
 180     Options *o = g_slice_new0(Options);
 181     o->shrink = FALSE;
 182     o->dir = OB_DIRECTION_SOUTH;
 183     return o;
 184 }
 185
 186 static gpointer setup_east_func(xmlNodePtr node)
 187 {
 188     Options *o = g_slice_new0(Options);
 189     o->shrink = FALSE;
 190     o->dir = OB_DIRECTION_EAST;
 191     return o;
 192 }
 193
 194 static gpointer setup_west_func(xmlNodePtr node)
 195 {
 196     Options *o = g_slice_new0(Options);
 197     o->shrink = FALSE;
 198     o->dir = OB_DIRECTION_WEST;
 199     return o;
 200 }