make backport closer to 3.4-working for merging purposes
[dana/openbox.git] / 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(void)
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     focus_cycle(o->forward,
116                 o->all_desktops,
117                 o->dock_windows,
118                 o->desktop_windows,
119                 o->linear,
120                 TRUE,
121                 o->dialog,
122                 FALSE, FALSE);
123     cycling = TRUE;
124
125     return TRUE;
126 }
127
128 static gboolean i_input_func(guint initial_state,
129                              XEvent *e,
130                              gpointer options,
131                              gboolean *used)
132 {
133     if (e->type == KeyPress) {
134         /* Escape cancels no matter what */
135         if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE)) {
136             end_cycle(TRUE, e->xkey.state, options);
137             return FALSE;
138         }
139
140         /* There were no modifiers and they pressed enter */
141         else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN) &&
142                  !initial_state)
143         {
144             end_cycle(FALSE, e->xkey.state, options);
145             return FALSE;
146         }
147     }
148     /* They released the modifiers */
149     else if (e->type == KeyRelease && initial_state &&
150              (e->xkey.state & initial_state) == 0)
151     {
152         end_cycle(FALSE, e->xkey.state, options);
153         return FALSE;
154     }
155
156     return TRUE;
157 }
158
159 static void i_cancel_func(gpointer options)
160 {
161     /* we get cancelled when we move focus, but we're not cycling anymore, so
162        just ignore that */
163     if (cycling)
164         end_cycle(TRUE, 0, options);
165 }
166
167 static void end_cycle(gboolean cancel, guint state, Options *o)
168 {
169     struct _ObClient *ft;
170
171     ft = focus_cycle(o->forward,
172                      o->all_desktops,
173                      o->dock_windows,
174                      o->desktop_windows,
175                      o->linear,
176                      TRUE,
177                      o->dialog,
178                      TRUE, cancel);
179     cycling = FALSE;
180
181     if (ft)
182         actions_run_acts(o->actions, OB_USER_ACTION_KEYBOARD_KEY,
183                          state, -1, -1, 0, OB_FRAME_CONTEXT_NONE, ft);
184 }