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
   7 typedef struct {
   8     gint left;
   9     gint left_denom;
  10     gint right;
  11     gint right_denom;
  12     gint top;
  13     gint top_denom;
  14     gint bottom;
  15     gint bottom_denom;
  16 } Options;
  17
  18 static gpointer setup_func(xmlNodePtr node);
  19 static void     free_func(gpointer options);
  20 static gboolean run_func(ObActionsData *data, gpointer options);
  21
  22 void action_resizerelative_startup(void)
  23 {
  24     actions_register("ResizeRelative", setup_func, free_func, run_func);
  25 }
  26
  27 static void xml_node_relative(xmlNodePtr n, gint *num, gint *denom)
  28 {
  29     gchar *s;
  30
  31     s = obt_xml_node_string(n);
  32     config_parse_relative_number(s, num, denom);
  33     g_free(s);
  34 }
  35
  36 static gpointer setup_func(xmlNodePtr node)
  37 {
  38     xmlNodePtr n;
  39     Options *o;
  40
  41     o = g_slice_new0(Options);
  42
  43     if ((n = obt_xml_find_node(node, "left")))
  44         xml_node_relative(n, &o->left, &o->left_denom);
  45     if ((n = obt_xml_find_node(node, "right")))
  46         xml_node_relative(n, &o->right, &o->right_denom);
  47     if ((n = obt_xml_find_node(node, "top")) ||
  48         (n = obt_xml_find_node(node, "up")))
  49         xml_node_relative(n, &o->top, &o->top_denom);
  50     if ((n = obt_xml_find_node(node, "bottom")) ||
  51         (n = obt_xml_find_node(node, "down")))
  52         xml_node_relative(n, &o->bottom, &o->bottom_denom);
  53
  54     return o;
  55 }
  56
  57 static void free_func(gpointer o)
  58 {
  59     g_slice_free(Options, o);
  60 }
  61
  62 /* Always return FALSE because its not interactive */
  63 static gboolean run_func(ObActionsData *data, gpointer options)
  64 {
  65     Options *o = options;
  66
  67     if (data->client) {
  68         ObClient *c = data->client;
  69         gint x, y, ow, xoff, nw, oh, yoff, nh, lw, lh;
  70         gint left = o->left, right = o->right, top = o->top, bottom = o->bottom;
  71
  72         if (o->left_denom)
  73             left = left * c->area.width / o->left_denom;
  74         if (o->right_denom)
  75             right = right * c->area.width / o->right_denom;
  76         if (o->top_denom)
  77             top = top * c->area.height / o->top_denom;
  78         if (o->bottom_denom)
  79             bottom = bottom * c->area.height / o->bottom_denom;
  80
  81         // When resizing, if the resize has a non-zero value then make sure it
  82         // is at least as big as the size increment so the window does actually
  83         // resize.
  84         x = c->area.x;
  85         y = c->area.y;
  86         ow = c->area.width;
  87         xoff = -MAX(left, (left ? c->size_inc.width : 0));
  88         nw = ow + MAX(right + left, (right + left ? c->size_inc.width : 0));
  89         oh = c->area.height;
  90         yoff = -MAX(top, (top ? c->size_inc.height : 0));
  91         nh = oh + MAX(bottom + top, (bottom + top ? c->size_inc.height : 0));
  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 }