i3
src/assignments.c
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00001 /*
00002  * vim:ts=4:sw=4:expandtab
00003  *
00004  * i3 - an improved dynamic tiling window manager
00005  * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
00006  *
00007  */
00008 #include "all.h"
00009 
00010 /*
00011  * Checks the list of assignments for the given window and runs all matching
00012  * ones (unless they have already been run for this specific window).
00013  *
00014  */
00015 void run_assignments(i3Window *window) {
00016     DLOG("Checking assignments...\n");
00017 
00018     /* Check if any assignments match */
00019     Assignment *current;
00020     TAILQ_FOREACH(current, &assignments, assignments) {
00021         if (!match_matches_window(&(current->match), window))
00022             continue;
00023 
00024         bool skip = false;
00025         for (int c = 0; c < window->nr_assignments; c++) {
00026             if (window->ran_assignments[c] != current)
00027                 continue;
00028 
00029             DLOG("This assignment already ran for the given window, not executing it again.\n");
00030             skip = true;
00031             break;
00032         }
00033 
00034         if (skip)
00035             continue;
00036 
00037         DLOG("matching assignment, would do:\n");
00038         if (current->type == A_COMMAND) {
00039             DLOG("execute command %s\n", current->dest.command);
00040             char *full_command;
00041             asprintf(&full_command, "[id=\"%d\"] %s", window->id, current->dest.command);
00042             parse_cmd(full_command);
00043         }
00044 
00045         /* Store that we ran this assignment to not execute it again */
00046         window->nr_assignments++;
00047         window->ran_assignments = srealloc(window->ran_assignments, sizeof(Assignment*) * window->nr_assignments);
00048         window->ran_assignments[window->nr_assignments-1] = current;
00049     }
00050 }
00051 
00052 /*
00053  * Returns the first matching assignment for the given window.
00054  *
00055  */
00056 Assignment *assignment_for(i3Window *window, int type) {
00057     Assignment *assignment;
00058 
00059     TAILQ_FOREACH(assignment, &assignments, assignments) {
00060         if ((type != A_ANY && (assignment->type & type) == 0) ||
00061             !match_matches_window(&(assignment->match), window))
00062             continue;
00063         DLOG("got a matching assignment (to %s)\n", assignment->dest.workspace);
00064         return assignment;
00065     }
00066 
00067     return NULL;
00068 }