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267 lines
5.8 KiB
C
267 lines
5.8 KiB
C
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/*
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gui-statusbar.c : irssi
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Copyright (C) 1999 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "module.h"
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#include "signals.h"
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#include "server.h"
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#include "windows.h"
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#include "screen.h"
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#include "statusbar.h"
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#include "gui-windows.h"
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void statusbar_items_init(void);
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void statusbar_items_deinit(void);
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static GSList *statusbars;
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static int sbar_uppest, sbar_lowest, sbars_up, sbars_down;
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static void statusbar_item_destroy(SBAR_ITEM_REC *rec)
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{
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rec->bar->items = g_slist_remove(rec->bar->items, rec);
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g_free(rec);
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}
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static void statusbar_redraw_line(STATUSBAR_REC *bar)
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{
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static int recurses = 0, resized = FALSE;
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STATUSBAR_FUNC func;
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GSList *tmp;
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int xpos, rxpos, old_resized;
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old_resized = resized;
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resized = FALSE;
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recurses++;
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xpos = 1;
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for (tmp = bar->items; tmp != NULL; tmp = tmp->next) {
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SBAR_ITEM_REC *rec = tmp->data;
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if (!rec->right_justify && xpos+rec->size < COLS) {
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rec->xpos = xpos;
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func = rec->func;
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func(rec, bar->ypos);
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if (resized) break;
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if (rec->size > 0) xpos += rec->size+1;
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}
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}
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rxpos = COLS-1;
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for (tmp = bar->items; tmp != NULL; tmp = tmp->next) {
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SBAR_ITEM_REC *rec = tmp->data;
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if (rec->right_justify && rxpos-rec->size > xpos) {
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rec->xpos = rxpos-rec->size;
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func = rec->func;
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func(rec, bar->ypos);
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if (resized) break;
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if (rec->size > 0) rxpos -= rec->size+1;
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}
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}
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resized = old_resized;
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if (--recurses > 0) resized = TRUE;
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}
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static void statusbar_redraw_all(void)
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{
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GSList *tmp;
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screen_refresh_freeze();
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for (tmp = statusbars; tmp != NULL; tmp = tmp->next)
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statusbar_redraw(tmp->data);
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screen_refresh_thaw();
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}
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STATUSBAR_REC *statusbar_find(int pos, int line)
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{
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GSList *tmp;
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for (tmp = statusbars; tmp != NULL; tmp = tmp->next) {
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STATUSBAR_REC *rec = tmp->data;
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if (rec->pos == pos && rec->line == line)
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return rec;
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}
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return NULL;
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}
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void statusbar_redraw(STATUSBAR_REC *bar)
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{
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if (bar == NULL) {
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statusbar_redraw_all();
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return;
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}
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set_bg((1<<4)+15);
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move(bar->ypos, 0); clrtoeol();
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set_bg(0);
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statusbar_redraw_line(bar);
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}
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void statusbar_item_redraw(SBAR_ITEM_REC *item)
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{
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STATUSBAR_FUNC func;
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g_return_if_fail(item != NULL);
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func = item->func;
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func(item, item->bar->ypos);
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}
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/* ypos is used only when pos == STATUSBAR_POS_MIDDLE */
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STATUSBAR_REC *statusbar_create(int pos, int ypos)
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{
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STATUSBAR_REC *rec;
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rec = g_new0(STATUSBAR_REC, 1);
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statusbars = g_slist_append(statusbars, rec);
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rec->pos = pos;
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rec->line = pos == STATUSBAR_POS_MIDDLE ? ypos :
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mainwindows_reserve_lines(1, pos == STATUSBAR_POS_UP);
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rec->ypos = pos == STATUSBAR_POS_MIDDLE ? ypos :
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pos == STATUSBAR_POS_UP ? rec->line : LINES-1-rec->line;
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if (pos == STATUSBAR_POS_UP) {
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if (sbars_up == 0) sbar_uppest = rec->line;
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sbars_up++;
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rec->line -= sbar_uppest;
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} else if (pos == STATUSBAR_POS_DOWN) {
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if (sbars_down == 0) sbar_lowest = rec->line;
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sbars_down++;
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rec->line -= sbar_lowest;
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}
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set_bg((1<<4)+15);
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move(rec->ypos, 0); clrtoeol();
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set_bg(0);
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return rec;
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}
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static void statusbars_pack(int pos, int line)
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{
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GSList *tmp;
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for (tmp = statusbars; tmp != NULL; tmp = tmp->next) {
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STATUSBAR_REC *rec = tmp->data;
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if (rec->pos == pos && rec->line > line) {
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rec->line--;
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rec->ypos += pos == STATUSBAR_POS_UP ? -1 : 1;
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}
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}
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}
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void statusbar_destroy(STATUSBAR_REC *bar)
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{
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g_return_if_fail(bar != NULL);
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if (bar->pos != STATUSBAR_POS_MIDDLE)
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mainwindows_reserve_lines(-1, bar->pos == STATUSBAR_POS_UP);
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if (bar->pos == STATUSBAR_POS_UP) sbars_up--;
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if (bar->pos == STATUSBAR_POS_DOWN) sbars_down--;
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statusbars = g_slist_remove(statusbars, bar);
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while (bar->items != NULL)
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statusbar_item_destroy(bar->items->data);
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if (bar->pos != STATUSBAR_POS_MIDDLE)
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statusbars_pack(bar->pos, bar->pos);
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g_free(bar);
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if (!quitting) statusbar_redraw_all();
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}
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SBAR_ITEM_REC *statusbar_item_create(STATUSBAR_REC *bar, int size, int right_justify, STATUSBAR_FUNC func)
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{
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SBAR_ITEM_REC *rec;
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g_return_val_if_fail(bar != NULL, NULL);
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g_return_val_if_fail(func != NULL, NULL);
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rec = g_new0(SBAR_ITEM_REC, 1);
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rec->bar = bar;
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bar->items = g_slist_append(bar->items, rec);
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rec->xpos = -1;
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rec->size = size;
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rec->right_justify = right_justify;
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rec->func = func;
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return rec;
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}
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void statusbar_item_resize(SBAR_ITEM_REC *item, int size)
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{
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g_return_if_fail(item != NULL);
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item->size = size;
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statusbar_redraw_all();
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}
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void statusbar_item_remove(SBAR_ITEM_REC *item)
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{
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g_return_if_fail(item != NULL);
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statusbar_item_destroy(item);
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if (!quitting) statusbar_redraw_all();
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}
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static void sig_mainwindow_resized(MAIN_WINDOW_REC *window)
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{
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STATUSBAR_REC *rec;
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rec = window->statusbar;
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rec->ypos = window->last_line+1;
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}
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void statusbar_init(void)
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{
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statusbars = NULL;
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sbars_up = sbars_down = 0;
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statusbar_items_init();
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signal_add("mainwindow resized", (SIGNAL_FUNC) sig_mainwindow_resized);
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signal_add("mainwindow moved", (SIGNAL_FUNC) sig_mainwindow_resized);
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}
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void statusbar_deinit(void)
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{
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statusbar_items_deinit();
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while (statusbars != NULL)
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statusbar_destroy(statusbars->data);
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signal_remove("mainwindow resized", (SIGNAL_FUNC) sig_mainwindow_resized);
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signal_remove("mainwindow moved", (SIGNAL_FUNC) sig_mainwindow_resized);
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}
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