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/*
** Uzbl event routines
** (c) 2009 by Robert Manea
*/
#include "uzbl-core.h"
#include "events.h"
#include "util.h"
UzblCore uzbl;
/* Event id to name mapping
* Event names must be in the same
* order as in 'enum event_type'
*
* TODO: Add more useful events
*/
const char *event_table[LAST_EVENT] = {
"LOAD_START" ,
"LOAD_COMMIT" ,
"LOAD_FINISH" ,
"LOAD_ERROR" ,
"REQUEST_STARTING" ,
"KEY_PRESS" ,
"KEY_RELEASE" ,
"COMMAND_EXECUTED" ,
"LINK_HOVER" ,
"TITLE_CHANGED" ,
"GEOMETRY_CHANGED" ,
"WEBINSPECTOR" ,
"NEW_WINDOW" ,
"SELECTION_CHANGED",
"VARIABLE_SET" ,
"FIFO_SET" ,
"SOCKET_SET" ,
"INSTANCE_START" ,
"INSTANCE_EXIT" ,
"LOAD_PROGRESS" ,
"LINK_UNHOVER" ,
"FORM_ACTIVE" ,
"ROOT_ACTIVE" ,
"FOCUS_LOST" ,
"FOCUS_GAINED" ,
"FILE_INCLUDED" ,
"PLUG_CREATED" ,
"COMMAND_ERROR" ,
"BUILTINS" ,
"PTR_MOVE" ,
"SCROLL_VERT" ,
"SCROLL_HORIZ" ,
"DOWNLOAD_STARTED" ,
"DOWNLOAD_PROGRESS",
"DOWNLOAD_COMPLETE",
"ADD_COOKIE" ,
"DELETE_COOKIE"
};
void
event_buffer_timeout(guint sec) {
struct itimerval t;
memset(&t, 0, sizeof t);
t.it_value.tv_sec = sec;
t.it_value.tv_usec = 0;
setitimer(ITIMER_REAL, &t, NULL);
}
static void
send_event_sockets(GPtrArray *sockets, GString *msg) {
GError *error = NULL;
GIOStatus ret;
gsize len;
guint i=0;
while(i < sockets->len) {
GIOChannel *gio = g_ptr_array_index(sockets, i++);
if(gio && gio->is_writeable && msg) {
ret = g_io_channel_write_chars (gio,
msg->str, msg->len,
&len, &error);
if (ret == G_IO_STATUS_ERROR) {
g_warning ("Error sending event to socket: %s", error->message);
g_clear_error (&error);
} else {
if (g_io_channel_flush(gio, &error) == G_IO_STATUS_ERROR) {
g_warning ("Error flushing: %s", error->message);
g_clear_error (&error);
}
}
}
}
}
void
replay_buffered_events() {
guint i = 0;
event_buffer_timeout(0);
/* replay buffered events */
while(i < uzbl.state.event_buffer->len) {
GString *tmp = g_ptr_array_index(uzbl.state.event_buffer, i++);
send_event_sockets(uzbl.comm.connect_chan, tmp);
g_string_free(tmp, TRUE);
}
g_ptr_array_free(uzbl.state.event_buffer, TRUE);
uzbl.state.event_buffer = NULL;
}
void
send_event_socket(GString *msg) {
/* write to all --connect-socket sockets */
if(uzbl.comm.connect_chan) {
send_event_sockets(uzbl.comm.connect_chan, msg);
if(uzbl.state.event_buffer)
replay_buffered_events();
}
/* buffer events until a socket is set and connected
* or a timeout is encountered
*/
else {
if(!uzbl.state.event_buffer)
uzbl.state.event_buffer = g_ptr_array_new();
g_ptr_array_add(uzbl.state.event_buffer, (gpointer)g_string_new(msg->str));
}
/* write to all client sockets */
if(msg && uzbl.comm.client_chan) {
send_event_sockets(uzbl.comm.client_chan, msg);
}
}
void
send_event_stdout(GString *msg) {
printf("%s", msg->str);
fflush(stdout);
}
void
vsend_event(int type, const gchar *custom_event, va_list vargs) {
GString *event_message = g_string_sized_new (512);
if (type >= LAST_EVENT)
return;
const gchar *event = custom_event ? custom_event : event_table[type];
char* str;
int next;
g_string_printf (event_message, "EVENT [%s] %s",
uzbl.state.instance_name, event);
while ((next = va_arg (vargs, int)) != 0) {
g_string_append_c(event_message, ' ');
switch(next) {
case TYPE_INT:
g_string_append_printf (event_message, "%d", va_arg (vargs, int));
break;
case TYPE_STR:
g_string_append_c (event_message, '\'');
append_escaped (event_message, va_arg (vargs, char*));
g_string_append_c (event_message, '\'');
break;
case TYPE_FORMATTEDSTR:
g_string_append (event_message, va_arg (vargs, char*));
break;
case TYPE_NAME:
str = va_arg (vargs, char*);
g_assert (valid_name (str));
g_string_append (event_message, str);
break;
case TYPE_FLOAT:
// ‘float’ is promoted to ‘double’ when passed through ‘...’
g_string_append_printf (event_message, "%.2f", va_arg (vargs, double));
break;
}
}
g_string_append_c(event_message, '\n');
if (uzbl.state.events_stdout)
send_event_stdout (event_message);
send_event_socket (event_message);
g_string_free (event_message, TRUE);
}
/*
* build event string and send over the supported interfaces
* custom_event == NULL indicates an internal event
*/
void
send_event(int type, const gchar *custom_event, ...) {
va_list vargs, vacopy;
va_start (vargs, custom_event);
va_copy (vacopy, vargs);
vsend_event (type, custom_event, vacopy);
va_end (vacopy);
va_end (vargs);
}
/* Transform gdk key events to our own events */
void
key_to_event(guint keyval, gint mode) {
gchar ucs[7];
gint ulen;
gchar *keyname;
guint32 ukval = gdk_keyval_to_unicode(keyval);
/* check for printable unicode char */
/* TODO: Pass the keyvals through a GtkIMContext so that
* we also get combining chars right
*/
if(g_unichar_isgraph(ukval)) {
ulen = g_unichar_to_utf8(ukval, ucs);
ucs[ulen] = 0;
send_event(mode == GDK_KEY_PRESS ? KEY_PRESS : KEY_RELEASE,
NULL, TYPE_FORMATTEDSTR, ucs, NULL);
}
/* send keysym for non-printable chars */
else if((keyname = gdk_keyval_name(keyval))){
send_event(mode == GDK_KEY_PRESS ? KEY_PRESS : KEY_RELEASE,
NULL, TYPE_NAME, keyname , NULL);
}
}
/* vi: set et ts=4: */
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