openbox/hooks.c

   1 #include "hooks.h"
   2 #include "actions.h"
   3 #include "client.h"
   4 #include "focus.h"
   5 #include "debug.h"
   6 #include "obt/display.h"
   7
   8 #include <glib.h>
   9
  10 static GSList *hooks[OB_NUM_HOOKS];
  11 static const gchar *names[OB_NUM_HOOKS];
  12
  13 typedef struct {
  14     ObHook hook;
  15     struct _ObClient *client;
  16 } ObHookQueue;
  17
  18 #define QUEUE_SIZE 20
  19 ObHookQueue run_queue[QUEUE_SIZE];
  20 gint        queue_size;
  21
  22 void hooks_startup(gboolean reconfig)
  23 {
  24     gint i;
  25
  26     for (i = 0; i < OB_NUM_HOOKS; ++i)
  27         hooks[i] = NULL;
  28
  29     queue_size = 0;
  30
  31     names[OB_HOOK_WIN_NEW] = "WindowNew";
  32     names[OB_HOOK_WIN_CLOSE] = "WindowClosed";
  33     names[OB_HOOK_WIN_VISIBLE] = "WindowVisible";
  34     names[OB_HOOK_WIN_INVISIBLE] = "WindowInvisible";
  35     names[OB_HOOK_WIN_ICONIC] = "WindowIconified";
  36     names[OB_HOOK_WIN_UNICONIC] = "WindowUniconified";
  37     names[OB_HOOK_WIN_MAX] = "WindowMaximized";
  38     names[OB_HOOK_WIN_UNMAX] = "WindowUnmaximized";
  39     names[OB_HOOK_WIN_SHADE] = "WindowShaded";
  40     names[OB_HOOK_WIN_UNSHADE] = "WindowUnshaded";
  41     names[OB_HOOK_WIN_FOCUS] = "WindowFocused";
  42     names[OB_HOOK_WIN_UNFOCUS] = "WindowUnfocused";
  43     names[OB_HOOK_WIN_DESK_CHANGE] = "WindowOnNewDesktop";
  44     names[OB_HOOK_WIN_DECORATED] = "WindowDecorated";
  45     names[OB_HOOK_WIN_UNDECORATED] = "WindowUndecorated";
  46     names[OB_HOOK_SCREEN_DESK_CHANGE] = "DesktopChanged";
  47 }
  48
  49 void hooks_shutdown(gboolean reconfig)
  50 {
  51     gint i;
  52
  53     for (i = 0; i < OB_NUM_HOOKS; ++i)
  54         while (hooks[i]) {
  55             actions_act_unref(hooks[i]->data);
  56             hooks[i] = g_slist_delete_link(hooks[i], hooks[i]);
  57         }
  58 }
  59
  60 ObHook hooks_hook_from_name(const gchar *n)
  61 {
  62     gint i;
  63
  64     for (i = 1; i < OB_NUM_HOOKS; ++i)
  65         if (!g_ascii_strcasecmp(n, names[i]))
  66             return (ObHook)i;
  67     return OB_HOOK_INVALID;
  68 }
  69
  70 void hooks_queue(ObHook hook, struct _ObClient *client)
  71 {
  72     ObHookQueue *q;
  73
  74     g_assert(hook < OB_NUM_HOOKS && hook > OB_HOOK_INVALID);
  75
  76     //ob_debug("Queing hook %s for client 0x%x", names[hook],
  77     //         (client ? client->window : 0));
  78     q = &run_queue[queue_size++];
  79     q->hook = hook;
  80     q->client = client;
  81
  82     if (queue_size == QUEUE_SIZE)
  83         /* queue is full */
  84         hooks_run_queue();
  85 }
  86
  87 void hooks_run(ObHook hook, struct _ObClient *c)
  88 {
  89     hooks_queue(hook, c);
  90     hooks_run_queue();
  91 }
  92
  93 void hooks_add(ObHook hook, struct _ObActionsAct *act)
  94 {
  95     g_assert(hook < OB_NUM_HOOKS && hook > OB_HOOK_INVALID);
  96
  97     /* append so they are executed in the same order as they appear in the
  98        config file */
  99     hooks[hook] = g_slist_append(hooks[hook], act);
 100 }
 101
 102 void hooks_run_queue(void)
 103 {
 104     gint i;
 105
 106     for (i = 0; i < queue_size; ++i) {
 107         const ObHookQueue *q = &run_queue[i];
 108
 109         //ob_debug("Running hook %s for client 0x%x", names[q->hook],
 110         //         (q->client ? q->client->window : 0));
 111         actions_run_acts(hooks[q->hook],
 112                          OB_USER_ACTION_HOOK,
 113                          0, -1, -1, 0,
 114                          OB_FRAME_CONTEXT_NONE,
 115                          q->client);
 116     }
 117     queue_size = 0;
 118 }