openbox/actions/cyclewindows.c

   1 #include "openbox/actions.h"
   2 #include "openbox/event.h"
   3 #include "openbox/focus_cycle.h"
   4 #include "openbox/openbox.h"
   5 #include "gettext.h"
   6
   7 typedef struct {
   8     gboolean linear;
   9     gboolean dialog;
  10     gboolean dock_windows;
  11     gboolean desktop_windows;
  12     gboolean all_desktops;
  13     gboolean forward;
  14     GSList *actions;
  15 } Options;
  16
  17 static gboolean cycling = FALSE;
  18
  19 static gpointer setup_func(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node);
  20 static gpointer setup_forward_func(ObParseInst *i, xmlDocPtr doc,
  21                                    xmlNodePtr node);
  22 static gpointer setup_backward_func(ObParseInst *i, xmlDocPtr doc,
  23                                     xmlNodePtr node);
  24 static void     free_func(gpointer options);
  25 static gboolean run_func(ObActionsData *data, gpointer options);
  26 static gboolean i_input_func(guint initial_state,
  27                              XEvent *e,
  28                              gpointer options,
  29                              gboolean *used);
  30 static void     i_cancel_func(gpointer options);
  31
  32 static void     end_cycle(gboolean cancel, guint state, Options *o);
  33
  34 void action_cyclewindows_startup()
  35 {
  36     actions_register("NextWindow", setup_forward_func, free_func,
  37                      run_func, i_input_func, i_cancel_func);
  38     actions_register("PreviousWindow", setup_backward_func, free_func,
  39                      run_func, i_input_func, i_cancel_func);
  40 }
  41
  42 static gpointer setup_func(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node)
  43 {
  44     xmlNodePtr n;
  45     Options *o;
  46
  47     o = g_new0(Options, 1);
  48     o->dialog = TRUE;
  49
  50     if ((n = parse_find_node("linear", node)))
  51         o->linear = parse_bool(doc, n);
  52     if ((n = parse_find_node("dialog", node)))
  53         o->dialog = parse_bool(doc, n);
  54     if ((n = parse_find_node("panels", node)))
  55         o->dock_windows = parse_bool(doc, n);
  56     if ((n = parse_find_node("desktop", node)))
  57         o->desktop_windows = parse_bool(doc, n);
  58     if ((n = parse_find_node("allDesktops", node)))
  59         o->all_desktops = parse_bool(doc, n);
  60
  61     if ((n = parse_find_node("finalactions", node))) {
  62         xmlNodePtr m;
  63
  64         m = parse_find_node("action", n->xmlChildrenNode);
  65         while (m) {
  66             ObActionsAct *action = actions_parse(i, doc, m);
  67             if (action) o->actions = g_slist_prepend(o->actions, action);
  68             m = parse_find_node("action", m->next);
  69         }
  70     }
  71     else {
  72         o->actions = g_slist_prepend(o->actions,
  73                                      actions_parse_string("Focus"));
  74         o->actions = g_slist_prepend(o->actions,
  75                                      actions_parse_string("Raise"));
  76         o->actions = g_slist_prepend(o->actions,
  77                                      actions_parse_string("Unshade"));
  78     }
  79
  80     return o;
  81 }
  82
  83 static gpointer setup_forward_func(ObParseInst *i, xmlDocPtr doc,
  84                                    xmlNodePtr node)
  85 {
  86     Options *o = setup_func(i, doc, node);
  87     o->forward = TRUE;
  88     return o;
  89 }
  90
  91 static gpointer setup_backward_func(ObParseInst *i, xmlDocPtr doc,
  92                                     xmlNodePtr node)
  93 {
  94     Options *o = setup_func(i, doc, node);
  95     o->forward = FALSE;
  96     return o;
  97 }
  98
  99 static void free_func(gpointer options)
 100 {
 101     Options *o = options;
 102
 103     while (o->actions) {
 104         actions_act_unref(o->actions->data);
 105         o->actions = g_slist_delete_link(o->actions, o->actions);
 106     }
 107
 108     g_free(o);
 109 }
 110
 111 static gboolean run_func(ObActionsData *data, gpointer options)
 112 {
 113     Options *o = options;
 114
 115     /* if using focus_delay, stop the timer now so that focus doesn't go moving
 116        on us */
 117     event_halt_focus_delay();
 118
 119     focus_cycle(o->forward,
 120                 o->all_desktops,
 121                 o->dock_windows,
 122                 o->desktop_windows,
 123                 o->linear,
 124                 TRUE,
 125                 o->dialog,
 126                 FALSE, FALSE);
 127     cycling = TRUE;
 128
 129     return TRUE;
 130 }
 131
 132 static gboolean i_input_func(guint initial_state,
 133                              XEvent *e,
 134                              gpointer options,
 135                              gboolean *used)
 136 {
 137     if (e->type == KeyPress) {
 138         /* Escape cancels no matter what */
 139         if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE)) {
 140             end_cycle(TRUE, e->xkey.state, options);
 141             return FALSE;
 142         }
 143
 144         /* There were no modifiers and they pressed enter */
 145         else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN) &&
 146                  !initial_state)
 147         {
 148             end_cycle(FALSE, e->xkey.state, options);
 149             return FALSE;
 150         }
 151     }
 152     /* They released the modifiers */
 153     else if (e->type == KeyRelease && initial_state &&
 154              (e->xkey.state & initial_state) == 0)
 155     {
 156         end_cycle(FALSE, e->xkey.state, options);
 157         return FALSE;
 158     }
 159
 160     return TRUE;
 161 }
 162
 163 static void i_cancel_func(gpointer options)
 164 {
 165     /* we get cancelled when we move focus, but we're not cycling anymore, so
 166        just ignore that */
 167     if (cycling)
 168         end_cycle(TRUE, 0, options);
 169 }
 170
 171 static void end_cycle(gboolean cancel, guint state, Options *o)
 172 {
 173     struct _ObClient *ft;
 174
 175     ft = focus_cycle(o->forward,
 176                      o->all_desktops,
 177                      o->dock_windows,
 178                      o->desktop_windows,
 179                      o->linear,
 180                      TRUE,
 181                      o->dialog,
 182                      TRUE, cancel);
 183
 184     if (ft) {
 185         actions_run_acts(o->actions, OB_USER_ACTION_KEYBOARD_KEY,
 186                          state, -1, -1, 0, OB_FRAME_CONTEXT_NONE, ft);
 187     }
 188     cycling = FALSE;
 189 }