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d4b0b98933ee32ee81b66dc2e4cbfb017af4693f
weechat/src/gui/curses/gui-curses-bar-window.c
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/*
* Copyright (c) 2003-2009 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* gui-curses-bar-window.c: bar window functions for Curses GUI */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include "../../core/weechat.h"
#include "../../core/wee-config.h"
#include "../../core/wee-log.h"
#include "../../core/wee-string.h"
#include "../../core/wee-utf8.h"
#include "../gui-bar.h"
#include "../gui-bar-item.h"
#include "../gui-bar-window.h"
#include "../gui-chat.h"
#include "../gui-color.h"
#include "../gui-window.h"
#include "gui-curses.h"
/*
* gui_bar_window_objects_init: init Curses windows for bar window
*/
int
gui_bar_window_objects_init (struct t_gui_bar_window *bar_window)
{
struct t_gui_bar_window_curses_objects *new_objects;
new_objects = malloc (sizeof (*new_objects));
if (new_objects)
{
bar_window->gui_objects = new_objects;
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar = NULL;
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator = NULL;
return 1;
}
return 0;
}
/*
* gui_window_objects_free: free Curses windows for a bar window
*/
void
gui_bar_window_objects_free (struct t_gui_bar_window *bar_window)
{
if (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar)
{
delwin (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar = NULL;
}
if (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator)
{
delwin (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator);
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator = NULL;
}
}
/*
* gui_bar_window_create_win: create curses window for bar
*/
void
gui_bar_window_create_win (struct t_gui_bar_window *bar_window)
{
if (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar)
{
delwin (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar = NULL;
}
if (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator)
{
delwin (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator);
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator = NULL;
}
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar = newwin (bar_window->height,
bar_window->width,
bar_window->y,
bar_window->x);
if (CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_SEPARATOR]))
{
switch (CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_POSITION]))
{
case GUI_BAR_POSITION_BOTTOM:
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator = newwin (1,
bar_window->width,
bar_window->y - 1,
bar_window->x);
break;
case GUI_BAR_POSITION_TOP:
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator = newwin (1,
bar_window->width,
bar_window->y + bar_window->height,
bar_window->x);
break;
case GUI_BAR_POSITION_LEFT:
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator = newwin (bar_window->height,
1,
bar_window->y,
bar_window->x + bar_window->width);
break;
case GUI_BAR_POSITION_RIGHT:
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator = newwin (bar_window->height,
1,
bar_window->y,
bar_window->x - 1);
break;
case GUI_BAR_NUM_POSITIONS:
break;
}
}
}
/*
* gui_bar_window_print_string: print a string text on a bar window
* return 1 if all was printed, 0 if some text
* was not displayed (wrapped due to bar window
* width)
*/
int
gui_bar_window_print_string (struct t_gui_bar_window *bar_window,
int *x, int *y,
const char *string,
int reset_color_before_display,
int hide_chars_if_scrolling)
{
int weechat_color, x_with_hidden, size_on_screen, fg, bg, low_char;
char str_fg[3], str_bg[3], utf_char[16], *next_char, *output;
if (!string || !string[0])
return 1;
wmove (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, *y, *x);
if (reset_color_before_display)
{
gui_window_set_custom_color_fg_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_FG]),
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
}
x_with_hidden = *x;
while (string && string[0])
{
switch (string[0])
{
case GUI_COLOR_COLOR_CHAR:
string++;
switch (string[0])
{
case GUI_COLOR_FG_CHAR: /* fg color */
if (string[1] && string[2])
{
str_fg[0] = string[1];
str_fg[1] = string[2];
str_fg[2] = '\0';
sscanf (str_fg, "%d", &fg);
gui_window_set_custom_color_fg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
fg);
string += 3;
}
break;
case GUI_COLOR_BG_CHAR: /* bg color */
if (string[1] && string[2])
{
str_bg[0] = string[1];
str_bg[1] = string[2];
str_bg[2] = '\0';
sscanf (str_bg, "%d", &bg);
gui_window_set_custom_color_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
bg);
string += 3;
}
break;
case GUI_COLOR_FG_BG_CHAR: /* fg + bg color */
if (string[1] && string[2] && (string[3] == ',')
&& string[4] && string[5])
{
str_fg[0] = string[1];
str_fg[1] = string[2];
str_fg[2] = '\0';
str_bg[0] = string[4];
str_bg[1] = string[5];
str_bg[2] = '\0';
sscanf (str_fg, "%d", &fg);
sscanf (str_bg, "%d", &bg);
gui_window_set_custom_color_fg_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
fg, bg);
string += 6;
}
break;
case GUI_COLOR_BAR_CHAR: /* bar color */
switch (string[1])
{
case GUI_COLOR_BAR_FG_CHAR:
/* bar foreground */
gui_window_set_custom_color_fg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_COLOR_FG]));
string += 2;
break;
case GUI_COLOR_BAR_DELIM_CHAR:
/* bar delimiter */
gui_window_set_custom_color_fg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_COLOR_DELIM]));
string += 2;
break;
case GUI_COLOR_BAR_BG_CHAR:
/* bar background */
gui_window_set_custom_color_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
string += 2;
break;
case GUI_COLOR_BAR_START_INPUT_CHAR:
string += 2;
break;
case GUI_COLOR_BAR_MOVE_CURSOR_CHAR:
/* move cursor to current position on screen */
getyx (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
bar_window->cursor_y, bar_window->cursor_x);
bar_window->cursor_x += bar_window->x;
bar_window->cursor_y += bar_window->y;
string += 2;
break;
default:
string++;
break;
}
break;
default:
if (isdigit (string[0]) && isdigit (string[1]))
{
str_fg[0] = string[0];
str_fg[1] = string[1];
str_fg[2] = '\0';
sscanf (str_fg, "%d", &weechat_color);
gui_window_set_weechat_color (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
weechat_color);
string += 2;
}
break;
}
break;
case GUI_COLOR_RESET_CHAR:
gui_window_set_custom_color_fg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_COLOR_FG]));
gui_window_set_custom_color_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
string++;
break;
case GUI_COLOR_SET_WEECHAT_CHAR:
string++;
switch (string[0])
{
case GUI_COLOR_ATTR_BOLD_CHAR:
string++;
gui_window_set_color_style (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
A_BOLD);
break;
case GUI_COLOR_ATTR_REVERSE_CHAR:
string++;
gui_window_set_color_style (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
A_REVERSE);
break;
case GUI_COLOR_ATTR_ITALIC_CHAR:
/* not available in Curses GUI */
string++;
break;
case GUI_COLOR_ATTR_UNDERLINE_CHAR:
string++;
gui_window_set_color_style (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
A_UNDERLINE);
break;
}
break;
case GUI_COLOR_REMOVE_WEECHAT_CHAR:
string++;
switch (string[0])
{
case GUI_COLOR_ATTR_BOLD_CHAR:
string++;
gui_window_remove_color_style (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
A_BOLD);
break;
case GUI_COLOR_ATTR_REVERSE_CHAR:
string++;
gui_window_remove_color_style (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
A_REVERSE);
break;
case GUI_COLOR_ATTR_ITALIC_CHAR:
/* not available in Curses GUI */
string++;
break;
case GUI_COLOR_ATTR_UNDERLINE_CHAR:
string++;
gui_window_remove_color_style (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
A_UNDERLINE);
break;
}
break;
default:
next_char = utf8_next_char (string);
if (!next_char)
break;
memcpy (utf_char, string, next_char - string);
utf_char[next_char - string] = '\0';
if ((((unsigned char)utf_char[0]) < 32) && (!utf_char[1]))
{
low_char = 1;
snprintf (utf_char, sizeof (utf_char), "%c",
'A' + ((unsigned char)utf_char[0]) - 1);
}
else
{
low_char = 0;
if (!gui_window_utf_char_valid (utf_char))
snprintf (utf_char, sizeof (utf_char), ".");
}
size_on_screen = utf8_char_size_screen (utf_char);
if (size_on_screen > 0)
{
if (hide_chars_if_scrolling
&& (x_with_hidden < bar_window->scroll_x))
{
/* hidden char (before scroll_x value) */
x_with_hidden++;
}
else
{
if (*x + size_on_screen > bar_window->width)
{
if (gui_bar_get_filling (bar_window->bar) == GUI_BAR_FILLING_VERTICAL)
return 0;
if (*y >= bar_window->height - 1)
return 0;
*x = 0;
(*y)++;
wmove (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, *y, *x);
}
output = string_iconv_from_internal (NULL, utf_char);
if (low_char)
wattron (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, A_REVERSE);
wprintw (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, "%s",
(output) ? output : utf_char);
if (low_char)
wattroff (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, A_REVERSE);
if (output)
free (output);
*x += size_on_screen;
}
}
string = next_char;
break;
}
}
return 1;
}
/*
* gui_bar_window_draw: draw a bar for a window
*/
void
gui_bar_window_draw (struct t_gui_bar_window *bar_window,
struct t_gui_window *window)
{
int x, y, items_count, num_lines, line;
enum t_gui_bar_filling filling;
char *content, **items;
char str_start_input[16], str_cursor[16];
char *pos_start_input, *pos_cursor, *buf, *new_start_input;
int length_on_screen, chars_available;
int length_screen_before_cursor, length_screen_after_cursor;
int total_length_screen, diff, max_length, optimal_number_of_lines;
int some_data_not_displayed, hline_char;
if (!gui_init_ok)
return;
snprintf (str_start_input, sizeof (str_start_input), "%c%c%c",
GUI_COLOR_COLOR_CHAR,
GUI_COLOR_BAR_CHAR,
GUI_COLOR_BAR_START_INPUT_CHAR);
snprintf (str_cursor, sizeof (str_cursor), "%c%c%c",
GUI_COLOR_COLOR_CHAR,
GUI_COLOR_BAR_CHAR,
GUI_COLOR_BAR_MOVE_CURSOR_CHAR);
/* these values will be overwritten later (by gui_bar_window_print_string)
if cursor has to move somewhere in bar window */
bar_window->cursor_x = -1;
bar_window->cursor_y = -1;
filling = gui_bar_get_filling (bar_window->bar);
content = gui_bar_window_content_get_with_filling (bar_window, window);
if (content)
{
items = string_split (content, "\n", 0, 0, &items_count);
if (items_count == 0)
{
if (CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_SIZE]) == 0)
gui_bar_window_set_current_size (bar_window, window, 1);
gui_window_clear (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
}
else
{
/* bar with auto size ? then compute new size, according to content */
if (CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_SIZE]) == 0)
{
/* search longer line and optimal number of lines */
max_length = 0;
optimal_number_of_lines = 0;
for (line = 0; line < items_count; line++)
{
length_on_screen = gui_chat_strlen_screen (items[line]);
pos_cursor = strstr (items[line], str_cursor);
if (pos_cursor && (gui_chat_strlen_screen (pos_cursor) == 0))
length_on_screen++;
if (length_on_screen > max_length)
max_length = length_on_screen;
if (length_on_screen % bar_window->width == 0)
num_lines = length_on_screen / bar_window->width;
else
num_lines = (length_on_screen / bar_window->width) + 1;
if (num_lines == 0)
num_lines = 1;
optimal_number_of_lines += num_lines;
}
if (max_length == 0)
max_length = 1;
switch (CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_POSITION]))
{
case GUI_BAR_POSITION_BOTTOM:
case GUI_BAR_POSITION_TOP:
if (filling == GUI_BAR_FILLING_HORIZONTAL)
num_lines = optimal_number_of_lines;
else
num_lines = items_count;
gui_bar_window_set_current_size (bar_window, window,
num_lines);
break;
case GUI_BAR_POSITION_LEFT:
case GUI_BAR_POSITION_RIGHT:
gui_bar_window_set_current_size (bar_window, window,
max_length);
break;
case GUI_BAR_NUM_POSITIONS:
break;
}
}
gui_window_clear (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
x = 0;
y = 0;
some_data_not_displayed = 0;
if ((bar_window->scroll_y > 0)
&& (bar_window->scroll_y > items_count - bar_window->height))
{
bar_window->scroll_y = items_count - bar_window->height;
if (bar_window->scroll_y < 0)
bar_window->scroll_y = 0;
}
for (line = 0;
(line < items_count) && (y < bar_window->height);
line++)
{
pos_start_input = strstr (items[line], str_start_input);
if (pos_start_input)
{
pos_cursor = strstr (items[line], str_cursor);
if (pos_cursor && (pos_cursor > pos_start_input))
{
pos_start_input += strlen (str_start_input);
chars_available =
((bar_window->height - y - 1) * bar_window->width) + /* next lines */
(bar_window->width - x - 1); /* chars on current line */
length_screen_before_cursor = -1;
length_screen_after_cursor = -1;
if (pos_cursor && (pos_cursor > items[line]))
{
buf = string_strndup (items[line], pos_cursor - items[line]);
if (buf)
{
length_screen_before_cursor = gui_chat_strlen_screen (buf);
length_screen_after_cursor = gui_chat_strlen_screen (pos_cursor);
free (buf);
}
}
if ((length_screen_before_cursor < 0) || (length_screen_after_cursor < 0))
{
length_screen_before_cursor = gui_chat_strlen_screen (items[line]);
length_screen_after_cursor = 0;
}
total_length_screen = length_screen_before_cursor + length_screen_after_cursor;
diff = length_screen_before_cursor - chars_available;
if (diff > 0)
{
new_start_input = pos_start_input + gui_chat_string_real_pos (pos_start_input, diff);
if (pos_cursor && (new_start_input > pos_cursor))
new_start_input = pos_cursor;
memmove (pos_start_input, new_start_input, strlen (new_start_input) + 1);
}
}
}
if ((bar_window->scroll_y == 0)
|| (line >= bar_window->scroll_y))
{
if (!gui_bar_window_print_string (bar_window, &x, &y,
items[line], 1, 1))
{
some_data_not_displayed = 1;
}
while (x < bar_window->width)
{
gui_bar_window_print_string (bar_window,
&x, &y,
" ", 0, 0);
}
x = 0;
y++;
}
}
if ((bar_window->cursor_x < 0) && (bar_window->cursor_y < 0)
&& ((bar_window->scroll_x > 0) || (bar_window->scroll_y > 0)))
{
x = (bar_window->height > 1) ? bar_window->width - 2 : 0;
if (x < 0)
x = 0;
y = 0;
gui_window_set_custom_color_fg_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(config_color_bar_more),
CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
mvwprintw (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
y, x, "--");
}
if ((bar_window->cursor_x < 0) && (bar_window->cursor_y < 0)
&& (some_data_not_displayed || (line < items_count)))
{
x = bar_window->width - 2;
if (x < 0)
x = 0;
y = (bar_window->height > 1) ? bar_window->height - 1 : 0;
gui_window_set_custom_color_fg_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(config_color_bar_more),
CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
mvwprintw (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
y, x, "++");
}
}
if (items)
string_free_split (items);
free (content);
}
else
{
if (CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_SIZE]) == 0)
gui_bar_window_set_current_size (bar_window, window, 1);
gui_window_clear (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
}
/* move cursor if it was asked in an item content (input_text does that
to move cursor in user input text) */
if ((!window || (gui_current_window == window))
&& (bar_window->cursor_x >= 0) && (bar_window->cursor_y >= 0))
{
move (bar_window->cursor_y, bar_window->cursor_x);
}
wnoutrefresh (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
hline_char = gui_window_get_hline_char ();
if (CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_SEPARATOR]))
{
switch (CONFIG_INTEGER(bar_window->bar->options[GUI_BAR_OPTION_POSITION]))
{
case GUI_BAR_POSITION_BOTTOM:
gui_window_set_weechat_color (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator,
GUI_COLOR_SEPARATOR);
mvwhline (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator, 0, 0,
hline_char, bar_window->width);
break;
case GUI_BAR_POSITION_TOP:
gui_window_set_weechat_color (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator,
GUI_COLOR_SEPARATOR);
mvwhline (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator,
0, 0,
hline_char,
bar_window->width);
break;
case GUI_BAR_POSITION_LEFT:
gui_window_set_weechat_color (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator,
GUI_COLOR_SEPARATOR);
mvwvline (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator,
0, 0, ACS_VLINE, bar_window->height);
break;
case GUI_BAR_POSITION_RIGHT:
gui_window_set_weechat_color (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator,
GUI_COLOR_SEPARATOR);
mvwvline (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator,
0, 0, ACS_VLINE, bar_window->height);
break;
case GUI_BAR_NUM_POSITIONS:
break;
}
wnoutrefresh (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator);
}
refresh ();
}
/*
* gui_bar_window_objects_print_log: print bar window infos in log (usually for crash dump)
*/
void
gui_bar_window_objects_print_log (struct t_gui_bar_window *bar_window)
{
log_printf (" bar window specific objects for Curses:");
log_printf (" win_bar. . . . . . . : 0x%lx", GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
log_printf (" win_separator. . . . : 0x%lx", GUI_BAR_WINDOW_OBJECTS(bar_window)->win_separator);
}
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