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 gboolean run_func(ObActionsData *data, gpointer options);
  16 /* 3.4-compatibility */
  17 static gpointer setup_north_func(xmlNodePtr node);
  18 static gpointer setup_south_func(xmlNodePtr node);
  19 static gpointer setup_east_func(xmlNodePtr node);
  20 static gpointer setup_west_func(xmlNodePtr node);
  21
  22 void action_growtoedge_startup(void)
  23 {
  24     actions_register("GrowToEdge", setup_func,
  25                      g_free, run_func);
  26     actions_register("ShrinkToEdge", setup_shrink_func,
  27                      g_free, run_func);
  28     /* 3.4-compatibility */
  29     actions_register("GrowToEdgeNorth", setup_north_func, g_free, run_func);
  30     actions_register("GrowToEdgeSouth", setup_south_func, g_free, run_func);
  31     actions_register("GrowToEdgeEast", setup_east_func, g_free, run_func);
  32     actions_register("GrowToEdgeWest", setup_west_func, g_free, run_func);
  33 }
  34
  35 static gpointer setup_func(xmlNodePtr node)
  36 {
  37     xmlNodePtr n;
  38     Options *o;
  39
  40     o = g_new0(Options, 1);
  41     o->dir = OB_DIRECTION_NORTH;
  42     o->shrink = FALSE;
  43
  44     if ((n = obt_parse_find_node(node, "direction"))) {
  45         gchar *s = obt_parse_node_string(n);
  46         if (!g_ascii_strcasecmp(s, "north") ||
  47             !g_ascii_strcasecmp(s, "up"))
  48             o->dir = OB_DIRECTION_NORTH;
  49         else if (!g_ascii_strcasecmp(s, "south") ||
  50                  !g_ascii_strcasecmp(s, "down"))
  51             o->dir = OB_DIRECTION_SOUTH;
  52         else if (!g_ascii_strcasecmp(s, "west") ||
  53                  !g_ascii_strcasecmp(s, "left"))
  54             o->dir = OB_DIRECTION_WEST;
  55         else if (!g_ascii_strcasecmp(s, "east") ||
  56                  !g_ascii_strcasecmp(s, "right"))
  57             o->dir = OB_DIRECTION_EAST;
  58         g_free(s);
  59     }
  60
  61     return o;
  62 }
  63
  64 static gpointer setup_shrink_func(xmlNodePtr node)
  65 {
  66     Options *o;
  67
  68     o = setup_func(node);
  69     o->shrink = TRUE;
  70
  71     return o;
  72 }
  73
  74 static gboolean do_grow(ObActionsData *data, gint x, gint y, gint w, gint h)
  75 {
  76     gint realw, realh, lw, lh;
  77
  78     realw = w;
  79     realh = h;
  80     client_try_configure(data->client, &x, &y, &realw, &realh,
  81                          &lw, &lh, TRUE);
  82     /* if it's going to be resized smaller than it intended, don't
  83        move the window over */
  84     if (x != data->client->area.x) x += w - realw;
  85     if (y != data->client->area.y) y += h - realh;
  86
  87     if (x != data->client->area.x || y != data->client->area.y ||
  88         realw != data->client->area.width ||
  89         realh != data->client->area.height)
  90     {
  91         actions_client_move(data, TRUE);
  92         client_move_resize(data->client, x, y, realw, realh);
  93         actions_client_move(data, FALSE);
  94         return TRUE;
  95     }
  96     return FALSE;
  97 }
  98
  99 /* Always return FALSE because its not interactive */
 100 static gboolean run_func(ObActionsData *data, gpointer options)
 101 {
 102     Options *o = options;
 103     gint x, y, w, h;
 104     ObDirection opp;
 105     gint half;
 106
 107     if (!data->client ||
 108         /* don't allow vertical resize if shaded */
 109         ((o->dir == OB_DIRECTION_NORTH || o->dir == OB_DIRECTION_SOUTH) &&
 110          data->client->shaded))
 111     {
 112         return FALSE;
 113     }
 114
 115     if (!o->shrink) {
 116         /* try grow */
 117         client_find_resize_directional(data->client, o->dir, TRUE,
 118                                        &x, &y, &w, &h);
 119         if (do_grow(data, x, y, w, h))
 120             return FALSE;
 121     }
 122
 123     /* we couldn't grow, so try shrink! */
 124     opp = (o->dir == OB_DIRECTION_NORTH ? OB_DIRECTION_SOUTH :
 125            (o->dir == OB_DIRECTION_SOUTH ? OB_DIRECTION_NORTH :
 126             (o->dir == OB_DIRECTION_EAST ? OB_DIRECTION_WEST :
 127              OB_DIRECTION_EAST)));
 128     client_find_resize_directional(data->client, opp, FALSE,
 129                                    &x, &y, &w, &h);
 130     switch (opp) {
 131     case OB_DIRECTION_NORTH:
 132         half = data->client->area.y + data->client->area.height / 2;
 133         if (y > half) {
 134             h += y - half;
 135             y = half;
 136         }
 137         break;
 138     case OB_DIRECTION_SOUTH:
 139         half = data->client->area.height / 2;
 140         if (h < half)
 141             h = half;
 142         break;
 143     case OB_DIRECTION_WEST:
 144         half = data->client->area.x + data->client->area.width / 2;
 145         if (x > half) {
 146             w += x - half;
 147             x = half;
 148         }
 149         break;
 150     case OB_DIRECTION_EAST:
 151         half = data->client->area.width / 2;
 152         if (w < half)
 153             w = half;
 154         break;
 155     default: g_assert_not_reached();
 156     }
 157     if (do_grow(data, x, y, w, h))
 158         return FALSE;
 159
 160     return FALSE;
 161 }
 162
 163 /* 3.4-compatibility */
 164 static gpointer setup_north_func(xmlNodePtr node)
 165 {
 166     Options *o = g_new0(Options, 1);
 167     o->shrink = FALSE;
 168     o->dir = OB_DIRECTION_NORTH;
 169     return o;
 170 }
 171
 172 static gpointer setup_south_func(xmlNodePtr node)
 173 {
 174     Options *o = g_new0(Options, 1);
 175     o->shrink = FALSE;
 176     o->dir = OB_DIRECTION_SOUTH;
 177     return o;
 178 }
 179
 180 static gpointer setup_east_func(xmlNodePtr node)
 181 {
 182     Options *o = g_new0(Options, 1);
 183     o->shrink = FALSE;
 184     o->dir = OB_DIRECTION_EAST;
 185     return o;
 186 }
 187
 188 static gpointer setup_west_func(xmlNodePtr node)
 189 {
 190     Options *o = g_new0(Options, 1);
 191     o->shrink = FALSE;
 192     o->dir = OB_DIRECTION_WEST;
 193     return o;
 194 }