summaryrefslogtreecommitdiff
path: root/src/perl/textui/Statusbar.xs
blob: 67b88e40ab509d0ed2ad604653393aef14bf1850 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
#include "module.h"

static GHashTable *perl_sbar_defs;

static int check_sbar_destroy(char *key, char *value, char *script)
{
	if (strncmp(value, script, strlen(script)) == 0 &&
	    value[strlen(script)] == ':') {
                statusbar_item_unregister(key);
		g_free(key);
                g_free(value);
		return TRUE;
	}

        return FALSE;
}

static void script_unregister_statusbars(PERL_SCRIPT_REC *script)
{
	g_hash_table_foreach_remove(perl_sbar_defs,
				    (GHRFunc) check_sbar_destroy,
				    script->package);
}

void perl_statusbar_init(void)
{
	perl_sbar_defs = g_hash_table_new((GHashFunc) g_str_hash,
					  (GCompareFunc) g_str_equal);
	signal_add("script destroyed", (SIGNAL_FUNC) script_unregister_statusbars);
}

static void statusbar_item_def_destroy(void *key, void *value)
{
	g_free(key);
        g_free(value);
}

void perl_statusbar_deinit(void)
{
	signal_remove("script destroyed", (SIGNAL_FUNC) script_unregister_statusbars);

	g_hash_table_foreach(perl_sbar_defs,
			     (GHFunc) statusbar_item_def_destroy, NULL);
	g_hash_table_destroy(perl_sbar_defs);
}

static void perl_statusbar_event(char *function, SBAR_ITEM_REC *item,
				 int get_size_only)
{
	dSP;
	int retcount;
	SV *item_sv, **sv;
        HV *hv;

	ENTER;
	SAVETMPS;

	PUSHMARK(SP);
        item_sv = plain_bless(item, "Irssi::TextUI::StatusbarItem");
	XPUSHs(sv_2mortal(item_sv));
	XPUSHs(sv_2mortal(newSViv(get_size_only)));
	PUTBACK;

	retcount = perl_call_pv(function, G_EVAL|G_DISCARD);
	SPAGAIN;

	if (SvTRUE(ERRSV)) {
                PERL_SCRIPT_REC *script;
                char *package;

                package = perl_function_get_package(function);
                script = perl_script_find_package(package);
                g_free(package);

		if (script != NULL) {
                        /* make sure we don't get back here */
			script_unregister_statusbars(script);
		}
		signal_emit("script error", 2, script, SvPV(ERRSV, PL_na));
	} else {
		/* min_size and max_size can be changed, move them to SBAR_ITEM_REC */
		hv = hvref(item_sv);
		if (hv != NULL) {
			sv = hv_fetch(hv, "min_size", 8, 0);
			if (sv != NULL) item->min_size = SvIV(*sv);
			sv = hv_fetch(hv, "max_size", 8, 0);
			if (sv != NULL) item->max_size = SvIV(*sv);
		}
	}

	PUTBACK;
	FREETMPS;
	LEAVE;
}


static void sig_perl_statusbar(SBAR_ITEM_REC *item, int get_size_only)
{
	char *function;

	function = g_hash_table_lookup(perl_sbar_defs, item->config->name);
	if (function != NULL)
		perl_statusbar_event(function, item, get_size_only);
	else {
		/* use default function - this shouldn't actually happen.. */
		statusbar_item_default_handler(item, get_size_only, NULL, "", TRUE);
	}
}

MODULE = Irssi::TextUI::Statusbar  PACKAGE = Irssi
PROTOTYPES: ENABLE

void
statusbar_item_register(name, value, func = NULL)
	char *name
	char *value
	char *func
CODE:
	statusbar_item_register(name, value, func == NULL || *func == '\0' ? NULL : sig_perl_statusbar);
	if (func != NULL) {
		g_hash_table_insert(perl_sbar_defs, g_strdup(name),
				    g_strdup_printf("%s::%s", perl_get_package(), func));
	}

void
statusbar_item_unregister(name)
	char *name
PREINIT:
        gpointer key, value;
CODE:
	if (g_hash_table_lookup_extended(perl_sbar_defs, name, &key, &value)) {
                g_hash_table_remove(perl_sbar_defs, name);
		g_free(key);
                g_free(value);
	}
	statusbar_item_unregister(name);

void
statusbar_items_redraw(name)
	char *name

void
statusbars_recreate_items()

#*******************************
MODULE = Irssi::TextUI::Statusbar  PACKAGE = Irssi::TextUI::StatusbarItem  PREFIX = statusbar_item_
#*******************************

void
statusbar_item_default_handler(item, get_size_only, str, data, escape_vars = TRUE)
	Irssi::TextUI::StatusbarItem item
	int get_size_only
	char *str
	char *data
	int escape_vars
PREINIT:
	HV *hv;
CODE:
	statusbar_item_default_handler(item, get_size_only,
				       *str == '\0' ? NULL : str,
				       data, escape_vars);
	hv = hvref(ST(0));
	hv_store(hv, "min_size", 8, newSViv(item->min_size), 0);
	hv_store(hv, "max_size", 8, newSViv(item->max_size), 0);