Dogcows Code - chaz/openbox/blob - openbox/actions/resizerelative.c

   1 #include "openbox/actions.h"
   2 #include "openbox/client.h"
   3 #include "openbox/screen.h"
   4 #include "openbox/frame.h"
   5 #include "openbox/config.h"
   6 #include <stdlib.h> /* for atoi */
   7
   8 typedef struct {
   9     gint left;
  10     gint left_denom;
  11     gint right;
  12     gint right_denom;
  13     gint top;
  14     gint top_denom;
  15     gint bottom;
  16     gint bottom_denom;
  17 } Options;
  18
  19 static gpointer setup_func(xmlNodePtr node);
  20 static void     free_func(gpointer options);
  21 static gboolean run_func(ObActionsData *data, gpointer options);
  22
  23 void action_resizerelative_startup(void)
  24 {
  25     actions_register("ResizeRelative", setup_func, free_func, run_func);
  26 }
  27
  28 static void xml_node_relative(xmlNodePtr n, gint *num, gint *denom)
  29 {
  30     gchar *s;
  31
  32     s = obt_xml_node_string(n);
  33     config_parse_relative_number(s, num, denom);
  34     g_free(s);
  35 }
  36
  37 static gpointer setup_func(xmlNodePtr node)
  38 {
  39     xmlNodePtr n;
  40     Options *o;
  41
  42     o = g_slice_new0(Options);
  43
  44     if ((n = obt_xml_find_node(node, "left")))
  45         xml_node_relative(n, &o->left, &o->left_denom);
  46     if ((n = obt_xml_find_node(node, "right")))
  47         xml_node_relative(n, &o->right, &o->right_denom);
  48     if ((n = obt_xml_find_node(node, "top")) ||
  49         (n = obt_xml_find_node(node, "up")))
  50         xml_node_relative(n, &o->top, &o->top_denom);
  51     if ((n = obt_xml_find_node(node, "bottom")) ||
  52         (n = obt_xml_find_node(node, "down")))
  53         xml_node_relative(n, &o->bottom, &o->bottom_denom);
  54
  55     return o;
  56 }
  57
  58 static void free_func(gpointer o)
  59 {
  60     g_slice_free(Options, o);
  61 }
  62
  63 /* Always return FALSE because its not interactive */
  64 static gboolean run_func(ObActionsData *data, gpointer options)
  65 {
  66     Options *o = options;
  67
  68     if (data->client) {
  69         ObClient *c = data->client;
  70         gint x, y, ow, xoff, nw, oh, yoff, nh, lw, lh;
  71         gint left = o->left, right = o->right, top = o->top, bottom = o->bottom;
  72
  73         if (o->left_denom)
  74             left = (left * c->area.width / c->size_inc.width) / o->left_denom;
  75         if (o->right_denom)
  76             right = (right * c->area.width / c->size_inc.width) / o->right_denom;
  77         if (o->top_denom)
  78             top = (top * c->area.height / c->size_inc.height) / o->top_denom;
  79         if (o->bottom_denom)
  80             bottom = (bottom * c->area.height / c->size_inc.height) / o->bottom_denom;
  81
  82         x = c->area.x;
  83         y = c->area.y;
  84         ow = c->area.width;
  85         xoff = -left * c->size_inc.width;
  86         nw = ow + right * c->size_inc.width
  87             + left * c->size_inc.width;
  88         oh = c->area.height;
  89         yoff = -top * c->size_inc.height;
  90         nh = oh + bottom * c->size_inc.height
  91             + top * c->size_inc.height;
  92
  93         client_try_configure(c, &x, &y, &nw, &nh, &lw, &lh, TRUE);
  94         xoff = xoff == 0 ? 0 :
  95             (xoff < 0 ? MAX(xoff, ow-nw) : MIN(xoff, ow-nw));
  96         yoff = yoff == 0 ? 0 :
  97             (yoff < 0 ? MAX(yoff, oh-nh) : MIN(yoff, oh-nh));
  98
  99         actions_client_move(data, TRUE);
 100         client_move_resize(c, x + xoff, y + yoff, nw, nh);
 101         actions_client_move(data, FALSE);
 102     }
 103
 104     return FALSE;
 105 }