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irssi/src/fe-text/statusbar.c

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/*
statusbar.c : irssi
Copyright (C) 1999-2001 Timo Sirainen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "signals.h"
#include "expandos.h"
#include "special-vars.h"
#include "themes.h"
#include "statusbar.h"
#include "statusbar-config.h"
#include "gui-windows.h"
#include "gui-printtext.h"
void statusbar_items_init(void);
void statusbar_items_deinit(void);
GSList *statusbar_groups;
STATUSBAR_GROUP_REC *active_statusbar_group;
/*
sbar_item_defs: char *name => char *value
sbar_item_funcs: char *name => STATUSBAR_FUNC func
sbar_signal_items: int signal_id => GSList *(SBAR_ITEM_REC *items)
sbar_item_signals: SBAR_ITEM_REC *item => GSList *(int *signal_ids)
named_sbar_items: const char *name => GSList *(SBAR_ITEM_REC *items)
*/
static GHashTable *sbar_item_defs, *sbar_item_funcs;
static GHashTable *sbar_signal_items, *sbar_item_signals;
static GHashTable *named_sbar_items;
static int statusbar_need_recreate_items;
void statusbar_item_register(const char *name, const char *value,
STATUSBAR_FUNC func)
{
gpointer hkey, hvalue;
statusbar_need_recreate_items = TRUE;
if (value != NULL) {
if (g_hash_table_lookup_extended(sbar_item_defs,
name, &hkey, &hvalue)) {
g_hash_table_remove(sbar_item_defs, name);
g_free(hkey);
g_free(hvalue);
}
g_hash_table_insert(sbar_item_defs,
g_strdup(name), g_strdup(value));
}
if (func != NULL) {
if (g_hash_table_lookup(sbar_item_funcs, name) == NULL) {
g_hash_table_insert(sbar_item_funcs,
g_strdup(name), (void *) func);
}
}
}
void statusbar_item_unregister(const char *name)
{
gpointer key, value;
statusbar_need_recreate_items = TRUE;
if (g_hash_table_lookup_extended(sbar_item_defs,
name, &key, &value)) {
g_hash_table_remove(sbar_item_defs, key);
g_free(key);
g_free(value);
}
if (g_hash_table_lookup_extended(sbar_item_funcs,
name, &key, &value)) {
g_hash_table_remove(sbar_item_funcs, key);
g_free(key);
}
}
STATUSBAR_GROUP_REC *statusbar_group_create(const char *name)
{
STATUSBAR_GROUP_REC *rec;
rec = g_new0(STATUSBAR_GROUP_REC, 1);
rec->name = g_strdup(name);
statusbar_groups = g_slist_append(statusbar_groups, rec);
return rec;
}
void statusbar_group_destroy(STATUSBAR_GROUP_REC *rec)
{
statusbar_groups = g_slist_remove(statusbar_groups, rec);
while (rec->bars != NULL)
statusbar_destroy(rec->bars->data);
while (rec->config_bars != NULL)
statusbar_config_destroy(rec, rec->config_bars->data);
g_free(rec->name);
g_free(rec);
}
STATUSBAR_GROUP_REC *statusbar_group_find(const char *name)
{
GSList *tmp;
for (tmp = statusbar_groups; tmp != NULL; tmp = tmp->next) {
STATUSBAR_GROUP_REC *rec = tmp->data;
if (strcmp(rec->name, name) == 0)
return rec;
}
return NULL;
}
static int sbar_item_cmp(SBAR_ITEM_REC *item1, SBAR_ITEM_REC *item2)
{
return item1->config->priority == item2->config->priority ? 0 :
item1->config->priority < item2->config->priority ? -1 : 1;
}
static int sbar_cmp_position(STATUSBAR_REC *bar1, STATUSBAR_REC *bar2)
{
return bar1->config->position < bar2->config->position ? -1 : 1;
}
/* Shink all items in statusbar to their minimum requested size.
The items list should be sorted by priority, highest first. */
static int statusbar_shrink_to_min(GSList *items, int size, int max_width)
{
GSList *tmp;
for (tmp = items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_REC *rec = tmp->data;
size -= (rec->max_size-rec->min_size);
rec->size = rec->min_size;
if (size <= max_width) {
rec->size += max_width-size;
break;
}
if (rec->size == 0) {
/* min_size was 0, item removed.
remove the marginal too */
size--;
}
}
return size;
}
/* shink the items in statusbar, even if their size gets smaller than
their minimum requested size. The items list should be sorted by
priority, highest first. */
static void statusbar_shrink_forced(GSList *items, int size, int max_width)
{
GSList *tmp;
for (tmp = items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_REC *rec = tmp->data;
if (size-rec->size > max_width) {
/* remove the whole item */
size -= rec->size;
rec->size = 0;
} else {
/* shrink the item */
rec->size -= size-max_width;
break;
}
}
}
static void statusbar_resize_items(STATUSBAR_REC *bar, int max_width)
{
GSList *tmp, *prior_sorted;
int width;
/* first give items their max. size */
prior_sorted = NULL;
width = 0;
for (tmp = bar->items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_REC *rec = tmp->data;
rec->func(rec, TRUE);
rec->size = rec->max_size;
if (rec->size > 0) {
width += rec->max_size;
prior_sorted = g_slist_insert_sorted(prior_sorted, rec,
(GCompareFunc)
sbar_item_cmp);
}
}
if (width > max_width) {
/* too big, start shrinking from items with lowest priority
and shrink until everything fits or until we've shrinked
all items. */
width = statusbar_shrink_to_min(prior_sorted, width,
max_width);
if (width > max_width) {
/* still need to shrink, remove the items with lowest
priority until everything fits to screen */
statusbar_shrink_forced(prior_sorted, width,
max_width);
}
}
g_slist_free(prior_sorted);
}
#define SBAR_ITEM_REDRAW_NEEDED(_bar, _item, _xpos) \
(((_bar)->dirty_xpos != -1 && (_xpos) >= (_bar)->dirty_xpos) || \
(_item)->xpos != (_xpos) || (_item)->current_size != (_item)->size)
static void statusbar_calc_item_positions(STATUSBAR_REC *bar)
{
WINDOW_REC *old_active_win;
GSList *tmp, *right_items;
int xpos, rxpos;
old_active_win = active_win;
if (bar->parent_window != NULL)
active_win = bar->parent_window->active;
statusbar_resize_items(bar, term_width);
/* left-aligned items */
xpos = 0;
for (tmp = bar->items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_REC *rec = tmp->data;
if (!rec->config->right_alignment &&
(rec->size > 0 || rec->current_size > 0)) {
if (SBAR_ITEM_REDRAW_NEEDED(bar, rec, xpos)) {
/* redraw the item */
rec->dirty = TRUE;
if (bar->dirty_xpos == -1 ||
xpos < bar->dirty_xpos) {
irssi_set_dirty();
bar->dirty = TRUE;
bar->dirty_xpos = xpos;
}
rec->xpos = xpos;
}
xpos += rec->size;
}
}
/* right-aligned items - first copy them to a new list backwards,
easier to draw them in right order */
right_items = NULL;
for (tmp = bar->items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_REC *rec = tmp->data;
if (rec->config->right_alignment) {
if (rec->size > 0)
right_items = g_slist_prepend(right_items, rec);
else if (rec->current_size > 0 &&
(bar->dirty_xpos == -1 ||
rec->xpos < bar->dirty_xpos)) {
/* item was hidden - set the dirty position
to begin from the item's old xpos */
irssi_set_dirty();
bar->dirty = TRUE;
bar->dirty_xpos = rec->xpos;
}
}
}
rxpos = term_width;
for (tmp = right_items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_REC *rec = tmp->data;
rxpos -= rec->size;
if (SBAR_ITEM_REDRAW_NEEDED(bar, rec, rxpos)) {
rec->dirty = TRUE;
if (bar->dirty_xpos == -1 ||
rxpos < bar->dirty_xpos) {
irssi_set_dirty();
bar->dirty = TRUE;
bar->dirty_xpos = rxpos;
}
rec->xpos = rxpos;
}
}
g_slist_free(right_items);
active_win = old_active_win;
}
void statusbar_redraw(STATUSBAR_REC *bar, int force)
{
if (statusbar_need_recreate_items)
return; /* don't bother yet */
if (bar != NULL) {
if (force) {
irssi_set_dirty();
bar->dirty = TRUE;
bar->dirty_xpos = 0;
}
statusbar_calc_item_positions(bar);
} else if (active_statusbar_group != NULL) {
g_slist_foreach(active_statusbar_group->bars,
(GFunc) statusbar_redraw,
GINT_TO_POINTER(force));
}
}
void statusbar_item_redraw(SBAR_ITEM_REC *item)
{
WINDOW_REC *old_active_win;
g_return_if_fail(item != NULL);
old_active_win = active_win;
if (item->bar->parent_window != NULL)
active_win = item->bar->parent_window->active;
item->func(item, TRUE);
item->dirty = TRUE;
item->bar->dirty = TRUE;
irssi_set_dirty();
if (item->max_size != item->size) {
/* item wants a new size - we'll need to redraw
the statusbar to see if this is allowed */
statusbar_redraw(item->bar, FALSE);
}
active_win = old_active_win;
}
void statusbar_items_redraw(const char *name)
{
g_slist_foreach(g_hash_table_lookup(named_sbar_items, name),
(GFunc) statusbar_item_redraw, NULL);
}
static void statusbars_recalc_ypos(STATUSBAR_REC *bar)
{
GSList *tmp, *bar_group;
int ypos;
/* get list of statusbars with same type and placement,
sorted by position */
bar_group = NULL;
tmp = bar->config->type == STATUSBAR_TYPE_ROOT ? bar->group->bars :
bar->parent_window->statusbars;
for (; tmp != NULL; tmp = tmp->next) {
STATUSBAR_REC *rec = tmp->data;
if (rec->config->type == bar->config->type &&
rec->config->placement == bar->config->placement) {
bar_group = g_slist_insert_sorted(bar_group, rec,
(GCompareFunc)
sbar_cmp_position);
}
}
if (bar_group == NULL) {
/* we just destroyed the last statusbar in this
type/placement group */
return;
}
/* get the Y-position for the first statusbar */
if (bar->config->type == STATUSBAR_TYPE_ROOT) {
ypos = bar->config->placement == STATUSBAR_TOP ? 0 :
term_height - g_slist_length(bar_group);
} else {
ypos = bar->config->placement == STATUSBAR_TOP ?
bar->parent_window->first_line :
bar->parent_window->last_line -
(g_slist_length(bar_group)-1);
}
/* set the Y-positions */
while (bar_group != NULL) {
bar = bar_group->data;
if (bar->real_ypos != ypos) {
bar->real_ypos = ypos;
statusbar_redraw(bar, TRUE);
}
ypos++;
bar_group = g_slist_remove(bar_group, bar_group->data);
}
}
static void sig_terminal_resized(void)
{
GSList *tmp;
for (tmp = active_statusbar_group->bars; tmp != NULL; tmp = tmp->next) {
STATUSBAR_REC *bar = tmp->data;
if (bar->config->type == STATUSBAR_TYPE_ROOT &&
bar->config->placement == STATUSBAR_BOTTOM) {
statusbars_recalc_ypos(bar);
break;
}
}
}
static void mainwindow_recalc_ypos(MAIN_WINDOW_REC *window, int placement)
{
GSList *tmp;
for (tmp = window->statusbars; tmp != NULL; tmp = tmp->next) {
STATUSBAR_REC *bar = tmp->data;
if (bar->config->placement == placement) {
statusbars_recalc_ypos(bar);
break;
}
}
}
static void sig_mainwindow_resized(MAIN_WINDOW_REC *window)
{
mainwindow_recalc_ypos(window, STATUSBAR_TOP);
mainwindow_recalc_ypos(window, STATUSBAR_BOTTOM);
}
STATUSBAR_REC *statusbar_create(STATUSBAR_GROUP_REC *group,
STATUSBAR_CONFIG_REC *config,
MAIN_WINDOW_REC *parent_window)
{
STATUSBAR_REC *bar;
THEME_REC *theme;
GSList *tmp;
char *name, *value;
g_return_val_if_fail(group != NULL, NULL);
g_return_val_if_fail(config != NULL, NULL);
g_return_val_if_fail(config->type != STATUSBAR_TYPE_WINDOW ||
parent_window != NULL, NULL);
bar = g_new0(STATUSBAR_REC, 1);
group->bars = g_slist_append(group->bars, bar);
bar->group = group;
bar->config = config;
bar->parent_window = parent_window;
irssi_set_dirty();
bar->dirty = TRUE;
bar->dirty_xpos = 0;
signal_remove("terminal resized", (SIGNAL_FUNC) sig_terminal_resized);
signal_remove("mainwindow resized", (SIGNAL_FUNC) sig_mainwindow_resized);
signal_remove("mainwindow moved", (SIGNAL_FUNC) sig_mainwindow_resized);
if (config->type == STATUSBAR_TYPE_ROOT) {
/* top/bottom of the screen */
mainwindows_reserve_lines(config->placement == STATUSBAR_TOP,
config->placement == STATUSBAR_BOTTOM);
theme = current_theme;
} else {
/* top/bottom of the window */
parent_window->statusbars =
g_slist_append(parent_window->statusbars, bar);
mainwindow_set_statusbar_lines(parent_window,
config->placement == STATUSBAR_TOP,
config->placement == STATUSBAR_BOTTOM);
theme = parent_window != NULL && parent_window->active != NULL &&
parent_window->active->theme != NULL ?
parent_window->active->theme : current_theme;
}
signal_add("terminal resized", (SIGNAL_FUNC) sig_terminal_resized);
signal_add("mainwindow resized", (SIGNAL_FUNC) sig_mainwindow_resized);
signal_add("mainwindow moved", (SIGNAL_FUNC) sig_mainwindow_resized);
/* get background color from sb_background abstract */
name = g_strdup_printf("{sb_%s_bg}", config->name);
value = theme_format_expand(theme, name);
g_free(name);
if (*value == '\0') {
/* try with the statusbar group name */
g_free(value);
name = g_strdup_printf("{sb_%s_bg}", group->name);
value = theme_format_expand(theme, name);
g_free(name);
if (*value == '\0') {
/* fallback to default statusbar background
(also provides backwards compatibility..) */
g_free(value);
value = theme_format_expand(theme, "{sb_background}");
}
}
if (*value == '\0') {
g_free(value);
value = g_strdup("%8");
}
bar->color = g_strconcat("%n", value, NULL);
g_free(value);
statusbars_recalc_ypos(bar);
signal_emit("statusbar created", 1, bar);
/* create the items to statusbar */
for (tmp = config->items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_CONFIG_REC *rec = tmp->data;
statusbar_item_create(bar, rec);
}
return bar;
}
void statusbar_destroy(STATUSBAR_REC *bar)
{
int top;
g_return_if_fail(bar != NULL);
bar->group->bars = g_slist_remove(bar->group->bars, bar);
if (bar->parent_window != NULL) {
bar->parent_window->statusbars =
g_slist_remove(bar->parent_window->statusbars, bar);
}
signal_emit("statusbar destroyed", 1, bar);
while (bar->items != NULL)
statusbar_item_destroy(bar->items->data);
g_free(bar->color);
if (bar->config->type != STATUSBAR_TYPE_WINDOW ||
bar->parent_window != NULL)
statusbars_recalc_ypos(bar);
top = bar->config->placement == STATUSBAR_TOP;
if (bar->config->type == STATUSBAR_TYPE_ROOT) {
/* top/bottom of the screen */
mainwindows_reserve_lines(top ? -1 : 0, !top ? -1 : 0);
} else if (bar->parent_window != NULL) {
/* top/bottom of the window */
mainwindow_set_statusbar_lines(bar->parent_window,
top ? -1 : 0, !top ? -1 : 0);
}
g_free(bar);
}
void statusbar_recreate_items(STATUSBAR_REC *bar)
{
GSList *tmp;
/* destroy */
while (bar->items != NULL)
statusbar_item_destroy(bar->items->data);
/* create */
for (tmp = bar->config->items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_CONFIG_REC *rec = tmp->data;
statusbar_item_create(bar, rec);
}
statusbar_redraw(bar, TRUE);
}
void statusbars_recreate_items(void)
{
if (active_statusbar_group != NULL) {
g_slist_foreach(active_statusbar_group->bars,
(GFunc) statusbar_recreate_items, NULL);
}
}
STATUSBAR_REC *statusbar_find(STATUSBAR_GROUP_REC *group, const char *name,
MAIN_WINDOW_REC *window)
{
GSList *tmp;
for (tmp = group->bars; tmp != NULL; tmp = tmp->next) {
STATUSBAR_REC *rec = tmp->data;
if (rec->parent_window == window &&
strcmp(rec->config->name, name) == 0)
return rec;
}
return NULL;
}
static char *update_statusbar_bg(const char *str, const char *color)
{
GString *out;
char *ret;
out = g_string_new(color);
while (*str != '\0') {
if (*str == '%' && str[1] == 'n') {
g_string_append(out, color);
str += 2;
continue;
}
g_string_append_c(out, *str);
str++;
}
ret = out->str;
g_string_free(out, FALSE);
return ret;
}
const char *statusbar_item_get_value(SBAR_ITEM_REC *item)
{
const char *value;
value = item->config->value;
if (value == NULL) {
value = g_hash_table_lookup(sbar_item_defs,
item->config->name);
}
return value;
}
void statusbar_item_default_handler(SBAR_ITEM_REC *item, int get_size_only,
const char *str, const char *data,
int escape_vars)
{
SERVER_REC *server;
WI_ITEM_REC *wiitem;
char *tmpstr, *tmpstr2;
int len;
if (str == NULL)
str = statusbar_item_get_value(item);
if (str == NULL || *str == '\0') {
item->min_size = item->max_size = 0;
return;
}
if (active_win == NULL) {
server = NULL;
wiitem = NULL;
} else {
server = active_win->active_server;
wiitem = active_win->active;
}
/* expand templates */
tmpstr = theme_format_expand_data(current_theme, &str,
'n', 'n',
NULL, NULL,
EXPAND_FLAG_ROOT |
EXPAND_FLAG_IGNORE_REPLACES |
EXPAND_FLAG_IGNORE_EMPTY);
/* expand $variables */
tmpstr2 = parse_special_string(tmpstr, server, wiitem, data, NULL,
(escape_vars ? PARSE_FLAG_ESCAPE_VARS : 0 ));
g_free(tmpstr);
/* remove color codes (not %formats) */
tmpstr = strip_codes(tmpstr2);
g_free(tmpstr2);
if (get_size_only) {
item->min_size = item->max_size = format_get_length(tmpstr);
} else {
if (item->size < item->min_size) {
/* they're forcing us smaller than minimum size.. */
len = format_real_length(tmpstr, item->size);
tmpstr[len] = '\0';
}
tmpstr2 = update_statusbar_bg(tmpstr, item->bar->color);
gui_printtext(item->xpos, item->bar->real_ypos, tmpstr2);
g_free(tmpstr2);
}
g_free(tmpstr);
}
static void statusbar_item_default_func(SBAR_ITEM_REC *item, int get_size_only)
{
statusbar_item_default_handler(item, get_size_only, NULL, "", TRUE);
}
static void statusbar_update_item(void)
{
GSList *items;
items = g_hash_table_lookup(sbar_signal_items,
GINT_TO_POINTER(signal_get_emitted_id()));
while (items != NULL) {
SBAR_ITEM_REC *item = items->data;
statusbar_item_redraw(item);
items = items->next;
}
}
static void statusbar_update_server(SERVER_REC *server)
{
SERVER_REC *item_server;
GSList *items;
items = g_hash_table_lookup(sbar_signal_items,
GINT_TO_POINTER(signal_get_emitted_id()));
while (items != NULL) {
SBAR_ITEM_REC *item = items->data;
item_server = item->bar->parent_window != NULL ?
item->bar->parent_window->active->active_server :
active_win->active_server;
if (item_server == server)
statusbar_item_redraw(item);
items = items->next;
}
}
static void statusbar_update_window(WINDOW_REC *window)
{
WINDOW_REC *item_window;
GSList *items;
items = g_hash_table_lookup(sbar_signal_items,
GINT_TO_POINTER(signal_get_emitted_id()));
while (items != NULL) {
SBAR_ITEM_REC *item = items->data;
item_window = item->bar->parent_window != NULL ?
item->bar->parent_window->active : active_win;
if (item_window == window)
statusbar_item_redraw(item);
items = items->next;
}
}
static void statusbar_update_window_item(WI_ITEM_REC *wiitem)
{
WI_ITEM_REC *item_wi;
GSList *items;
items = g_hash_table_lookup(sbar_signal_items,
GINT_TO_POINTER(signal_get_emitted_id()));
while (items != NULL) {
SBAR_ITEM_REC *item = items->data;
item_wi = item->bar->parent_window != NULL ?
item->bar->parent_window->active->active :
active_win->active;
if (item_wi == wiitem)
statusbar_item_redraw(item);
items = items->next;
}
}
static void statusbar_item_default_signals(SBAR_ITEM_REC *item)
{
SIGNAL_FUNC func;
GSList *list;
const char *value;
void *signal_id;
int *signals, *pos;
value = statusbar_item_get_value(item);
if (value == NULL)
return;
signals = special_vars_get_signals(value);
if (signals == NULL)
return;
for (pos = signals; *pos != -1; pos += 2) {
/* update signal -> item mappings */
signal_id = GINT_TO_POINTER(*pos);
list = g_hash_table_lookup(sbar_signal_items, signal_id);
if (list == NULL) {
switch (pos[1]) {
case EXPANDO_ARG_NONE:
func = (SIGNAL_FUNC) statusbar_update_item;
break;
case EXPANDO_ARG_SERVER:
func = (SIGNAL_FUNC) statusbar_update_server;
break;
case EXPANDO_ARG_WINDOW:
func = (SIGNAL_FUNC) statusbar_update_window;
break;
case EXPANDO_ARG_WINDOW_ITEM:
func = (SIGNAL_FUNC) statusbar_update_window_item;
break;
default:
func = NULL;
break;
}
if (func != NULL)
signal_add_to_id(MODULE_NAME, 1, *pos, func);
}
if (g_slist_find(list, item) == NULL)
list = g_slist_append(list, item);
g_hash_table_insert(sbar_signal_items, signal_id, list);
/* update item -> signal mappings */
list = g_hash_table_lookup(sbar_item_signals, item);
if (g_slist_find(list, signal_id) == NULL)
list = g_slist_append(list, signal_id);
g_hash_table_insert(sbar_item_signals, item, list);
}
g_free(signals);
}
SBAR_ITEM_REC *statusbar_item_create(STATUSBAR_REC *bar,
SBAR_ITEM_CONFIG_REC *config)
{
SBAR_ITEM_REC *rec;
GSList *items;
g_return_val_if_fail(bar != NULL, NULL);
g_return_val_if_fail(config != NULL, NULL);
rec = g_new0(SBAR_ITEM_REC, 1);
bar->items = g_slist_append(bar->items, rec);
rec->bar = bar;
rec->config = config;
rec->func = (STATUSBAR_FUNC) g_hash_table_lookup(sbar_item_funcs,
config->name);
if (rec->func == NULL)
rec->func = statusbar_item_default_func;
statusbar_item_default_signals(rec);
items = g_hash_table_lookup(named_sbar_items, config->name);
items = g_slist_append(items, rec);
g_hash_table_insert(named_sbar_items, config->name, items);
irssi_set_dirty();
rec->dirty = TRUE;
bar->dirty = TRUE;
signal_emit("statusbar item created", 1, rec);
return rec;
}
static void statusbar_signal_remove(int signal_id)
{
signal_remove_id(signal_id, (SIGNAL_FUNC) statusbar_update_item);
signal_remove_id(signal_id, (SIGNAL_FUNC) statusbar_update_server);
signal_remove_id(signal_id, (SIGNAL_FUNC) statusbar_update_window);
signal_remove_id(signal_id, (SIGNAL_FUNC) statusbar_update_window_item);
}
static void statusbar_item_remove_signal(SBAR_ITEM_REC *item, int signal_id)
{
GSList *list;
/* update signal -> item hash */
list = g_hash_table_lookup(sbar_signal_items,
GINT_TO_POINTER(signal_id));
list = g_slist_remove(list, item);
if (list != NULL) {
g_hash_table_insert(sbar_signal_items,
GINT_TO_POINTER(signal_id), list);
} else {
g_hash_table_remove(sbar_signal_items,
GINT_TO_POINTER(signal_id));
statusbar_signal_remove(signal_id);
}
}
void statusbar_item_destroy(SBAR_ITEM_REC *item)
{
GSList *list;
g_return_if_fail(item != NULL);
item->bar->items = g_slist_remove(item->bar->items, item);
list = g_hash_table_lookup(named_sbar_items, item->config->name);
list = g_slist_remove(list, item);
if (list == NULL)
g_hash_table_remove(named_sbar_items, item->config->name);
else
g_hash_table_insert(named_sbar_items, item->config->name, list);
signal_emit("statusbar item destroyed", 1, item);
list = g_hash_table_lookup(sbar_item_signals, item);
g_hash_table_remove(sbar_item_signals, item);
while (list != NULL) {
statusbar_item_remove_signal(item, GPOINTER_TO_INT(list->data));
list = g_slist_remove(list, list->data);
}
g_free(item);
}
static void statusbar_redraw_needed_items(STATUSBAR_REC *bar)
{
WINDOW_REC *old_active_win;
GSList *tmp;
char *str;
old_active_win = active_win;
if (bar->parent_window != NULL)
active_win = bar->parent_window->active;
if (bar->dirty_xpos >= 0) {
str = g_strconcat(bar->color, "%>", NULL);
gui_printtext(bar->dirty_xpos, bar->real_ypos, str);
g_free(str);
}
for (tmp = bar->items; tmp != NULL; tmp = tmp->next) {
SBAR_ITEM_REC *rec = tmp->data;
if (rec->dirty ||
(bar->dirty_xpos != -1 &&
rec->xpos >= bar->dirty_xpos)) {
rec->current_size = rec->size;
rec->func(rec, FALSE);
rec->dirty = FALSE;
}
}
active_win = old_active_win;
}
void statusbar_redraw_dirty(void)
{
GSList *tmp;
if (statusbar_need_recreate_items) {
statusbar_need_recreate_items = FALSE;
statusbars_recreate_items();
}
for (tmp = active_statusbar_group->bars; tmp != NULL; tmp = tmp->next) {
STATUSBAR_REC *rec = tmp->data;
if (rec->dirty) {
statusbar_redraw_needed_items(rec);
rec->dirty = FALSE;
rec->dirty_xpos = -1;
}
}
}
#define STATUSBAR_IS_VISIBLE(bar, window) \
((bar)->visible == STATUSBAR_VISIBLE_ALWAYS || \
(active_mainwin == (window) && \
(bar)->visible == STATUSBAR_VISIBLE_ACTIVE) || \
(active_mainwin != (window) && \
(bar)->visible == STATUSBAR_VISIBLE_INACTIVE))
static void statusbars_remove_unvisible(MAIN_WINDOW_REC *window)
{
GSList *tmp, *next;
for (tmp = window->statusbars; tmp != NULL; tmp = next) {
STATUSBAR_REC *bar = tmp->data;
next = tmp->next;
if (!STATUSBAR_IS_VISIBLE(bar->config, window))
statusbar_destroy(bar);
}
}
static void statusbars_add_visible(MAIN_WINDOW_REC *window)
{
STATUSBAR_GROUP_REC *group;
STATUSBAR_REC *bar;
GSList *tmp;
group = active_statusbar_group;
for (tmp = group->config_bars; tmp != NULL; tmp = tmp->next) {
STATUSBAR_CONFIG_REC *config = tmp->data;
if (config->type == STATUSBAR_TYPE_WINDOW &&
STATUSBAR_IS_VISIBLE(config, window) &&
statusbar_find(group, config->name, window) == NULL) {
bar = statusbar_create(group, config, window);
statusbar_redraw(bar, TRUE);
}
}
}
static void sig_mainwindow_destroyed(MAIN_WINDOW_REC *window)
{
while (window->statusbars != NULL) {
STATUSBAR_REC *bar = window->statusbars->data;
bar->parent_window->statusbars =
g_slist_remove(bar->parent_window->statusbars, bar);
bar->parent_window = NULL;
statusbar_destroy(bar);
}
}
static void sig_window_changed(void)
{
GSList *tmp;
for (tmp = mainwindows; tmp != NULL; tmp = tmp->next) {
MAIN_WINDOW_REC *rec = tmp->data;
statusbars_remove_unvisible(rec);
statusbars_add_visible(rec);
}
}
static void sig_gui_window_created(WINDOW_REC *window)
{
statusbars_add_visible(WINDOW_MAIN(window));
}
static void statusbar_item_def_destroy(void *key, void *value)
{
g_free(key);
g_free(value);
}
static void statusbar_signal_item_destroy(void *key, GSList *value)
{
while (value != NULL) {
statusbar_signal_remove(GPOINTER_TO_INT(value->data));
value->data = g_slist_remove(value, value->data);
}
}
static void statusbar_item_signal_destroy(void *key, GSList *value)
{
g_slist_free(value);
}
void statusbars_create_window_bars(void)
{
g_slist_foreach(mainwindows, (GFunc) statusbars_add_visible, NULL);
}
void statusbar_init(void)
{
statusbar_need_recreate_items = FALSE;
statusbar_groups = NULL;
active_statusbar_group = NULL;
sbar_item_defs = g_hash_table_new((GHashFunc) g_str_hash,
(GCompareFunc) g_str_equal);
sbar_item_funcs = g_hash_table_new((GHashFunc) g_str_hash,
(GCompareFunc) g_str_equal);
sbar_signal_items = g_hash_table_new((GHashFunc) g_direct_hash,
(GCompareFunc) g_direct_equal);
sbar_item_signals = g_hash_table_new((GHashFunc) g_direct_hash,
(GCompareFunc) g_direct_equal);
named_sbar_items = g_hash_table_new((GHashFunc) g_str_hash,
(GCompareFunc) g_str_equal);
signal_add("terminal resized", (SIGNAL_FUNC) sig_terminal_resized);
signal_add("mainwindow resized", (SIGNAL_FUNC) sig_mainwindow_resized);
signal_add("mainwindow moved", (SIGNAL_FUNC) sig_mainwindow_resized);
signal_add("gui window created", (SIGNAL_FUNC) sig_gui_window_created);
signal_add("window changed", (SIGNAL_FUNC) sig_window_changed);
signal_add("mainwindow destroyed", (SIGNAL_FUNC) sig_mainwindow_destroyed);
statusbar_items_init();
statusbar_config_init(); /* signals need to be before this call */
}
void statusbar_deinit(void)
{
while (statusbar_groups != NULL)
statusbar_group_destroy(statusbar_groups->data);
g_hash_table_foreach(sbar_item_defs,
(GHFunc) statusbar_item_def_destroy, NULL);
g_hash_table_destroy(sbar_item_defs);
g_hash_table_foreach(sbar_item_funcs, (GHFunc) g_free, NULL);
g_hash_table_destroy(sbar_item_funcs);
g_hash_table_foreach(sbar_signal_items,
(GHFunc) statusbar_signal_item_destroy, NULL);
g_hash_table_destroy(sbar_signal_items);
g_hash_table_foreach(sbar_item_signals,
(GHFunc) statusbar_item_signal_destroy, NULL);
g_hash_table_destroy(sbar_item_signals);
g_hash_table_destroy(named_sbar_items);
signal_remove("terminal resized", (SIGNAL_FUNC) sig_terminal_resized);
signal_remove("mainwindow resized", (SIGNAL_FUNC) sig_mainwindow_resized);
signal_remove("mainwindow moved", (SIGNAL_FUNC) sig_mainwindow_resized);
signal_remove("gui window created", (SIGNAL_FUNC) sig_gui_window_created);
signal_remove("window changed", (SIGNAL_FUNC) sig_window_changed);
signal_remove("mainwindow destroyed", (SIGNAL_FUNC) sig_mainwindow_destroyed);
statusbar_items_deinit();
statusbar_config_deinit();
}