git.sur5r.net Git - i3/i3/blob - src/assignments.c

   1 /*
   2  * vim:ts=4:sw=4:expandtab
   3  *
   4  * i3 - an improved dynamic tiling window manager
   5  * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
   6  *
   7  * assignments.c: Assignments for specific windows (for_window).
   8  *
   9  */
  10 #include "all.h"
  11
  12 /*
  13  * Checks the list of assignments for the given window and runs all matching
  14  * ones (unless they have already been run for this specific window).
  15  *
  16  */
  17 void run_assignments(i3Window *window) {
  18     DLOG("Checking if any assignments match this window\n");
  19
  20     /* Check if any assignments match */
  21     Assignment *current;
  22     TAILQ_FOREACH(current, &assignments, assignments) {
  23         if (!match_matches_window(&(current->match), window))
  24             continue;
  25
  26         bool skip = false;
  27         for (int c = 0; c < window->nr_assignments; c++) {
  28             if (window->ran_assignments[c] != current)
  29                 continue;
  30
  31             DLOG("This assignment already ran for the given window, not executing it again.\n");
  32             skip = true;
  33             break;
  34         }
  35
  36         if (skip)
  37             continue;
  38
  39         DLOG("matching assignment, would do:\n");
  40         if (current->type == A_COMMAND) {
  41             DLOG("execute command %s\n", current->dest.command);
  42             char *full_command;
  43             sasprintf(&full_command, "[id=\"%d\"] %s", window->id, current->dest.command);
  44             struct CommandResult *command_output = parse_command(full_command);
  45             free(full_command);
  46
  47             if (command_output->needs_tree_render)
  48                 tree_render();
  49
  50             free(command_output->json_output);
  51         }
  52
  53         /* Store that we ran this assignment to not execute it again */
  54         window->nr_assignments++;
  55         window->ran_assignments = srealloc(window->ran_assignments, sizeof(Assignment*) * window->nr_assignments);
  56         window->ran_assignments[window->nr_assignments-1] = current;
  57     }
  58 }
  59
  60 /*
  61  * Returns the first matching assignment for the given window.
  62  *
  63  */
  64 Assignment *assignment_for(i3Window *window, int type) {
  65     Assignment *assignment;
  66
  67     TAILQ_FOREACH(assignment, &assignments, assignments) {
  68         if ((type != A_ANY && (assignment->type & type) == 0) ||
  69             !match_matches_window(&(assignment->match), window))
  70             continue;
  71         DLOG("got a matching assignment (to %s)\n", assignment->dest.workspace);
  72         return assignment;
  73     }
  74
  75     return NULL;
  76 }