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weechat/src/gui/curses/gui-curses-window.c
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/*
* Copyright (C) 2003-2011 Sebastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat 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.
*
* WeeChat 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 WeeChat. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* gui-curses-window.c: window display functions for Curses GUI
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <libgen.h>
#include <sys/ioctl.h>
#include "../../core/weechat.h"
#include "../../core/wee-config.h"
#include "../../core/wee-hook.h"
#include "../../core/wee-log.h"
#include "../../core/wee-string.h"
#include "../../core/wee-utf8.h"
#include "../../plugins/plugin.h"
#include "../gui-window.h"
#include "../gui-bar.h"
#include "../gui-bar-window.h"
#include "../gui-buffer.h"
#include "../gui-chat.h"
#include "../gui-color.h"
#include "../gui-hotlist.h"
#include "../gui-input.h"
#include "../gui-main.h"
#include "../gui-line.h"
#include "../gui-nicklist.h"
#include "gui-curses.h"
int window_current_style_fg; /* current foreground color */
int window_current_style_bg; /* current background color */
int window_current_style_attr; /* current attributes (bold, ..) */
int window_current_color_attr; /* attr sum of last color(s) used */
/*
* gui_window_get_width: get screen width (terminal width in chars for Curses)
*/
int
gui_window_get_width ()
{
return gui_term_cols;
}
/*
* gui_window_get_height: get screen height (terminal height in chars for Curses)
*/
int
gui_window_get_height ()
{
return gui_term_lines;
}
/*
* gui_window_read_terminal_size: read terminal size
*/
void
gui_window_read_terminal_size ()
{
struct winsize size;
int new_width, new_height;
if (ioctl (fileno (stdout), TIOCGWINSZ, &size) == 0)
{
resizeterm (size.ws_row, size.ws_col);
gui_term_cols = size.ws_col;
gui_term_lines = size.ws_row;
}
else
{
getmaxyx (stdscr, new_height, new_width);
gui_term_cols = new_width;
gui_term_lines = new_height;
}
gui_ok = ((gui_term_cols >= GUI_WINDOW_MIN_WIDTH)
&& (gui_term_lines >= GUI_WINDOW_MIN_HEIGHT));
}
/*
* gui_window_objects_init: init Curses windows
*/
int
gui_window_objects_init (struct t_gui_window *window)
{
struct t_gui_window_curses_objects *new_objects;
new_objects = malloc (sizeof (*new_objects));
if (new_objects)
{
window->gui_objects = new_objects;
GUI_WINDOW_OBJECTS(window)->win_chat = NULL;
GUI_WINDOW_OBJECTS(window)->win_separator = NULL;
return 1;
}
return 0;
}
/*
* gui_window_objects_free: free Curses windows for a window
*/
void
gui_window_objects_free (struct t_gui_window *window, int free_separator)
{
if (GUI_WINDOW_OBJECTS(window)->win_chat)
{
delwin (GUI_WINDOW_OBJECTS(window)->win_chat);
GUI_WINDOW_OBJECTS(window)->win_chat = NULL;
}
if (free_separator && GUI_WINDOW_OBJECTS(window)->win_separator)
{
delwin (GUI_WINDOW_OBJECTS(window)->win_separator);
GUI_WINDOW_OBJECTS(window)->win_separator = NULL;
}
}
/*
* gui_window_get_hline_char: get char used to draw horizontal lines
* Note: ACS_HLINE from ncurses is better for
* render, but it introduces bug with URLs
* selected by terminal: below this line,
* some URLs are not visible or shifted
*/
int
gui_window_get_hline_char ()
{
const char *hline_char;
hline_char = CONFIG_STRING(config_look_hline_char);
if (!hline_char || !hline_char[0])
return ACS_HLINE;
return utf8_char_int (hline_char);
}
/*
* gui_window_wprintw: decode then display string with wprintw
*/
void
gui_window_wprintw (WINDOW *window, const char *data, ...)
{
va_list argptr;
static char buf[4096];
char *buf2;
va_start (argptr, data);
vsnprintf (buf, sizeof (buf) - 1, data, argptr);
va_end (argptr);
buf2 = string_iconv_from_internal (NULL, buf);
wprintw (window, "%s", (buf2) ? buf2 : buf);
if (buf2)
free (buf2);
}
/*
* gui_window_clear_weechat: clear a Curses window with a weechat color
*/
void
gui_window_clear_weechat (WINDOW *window, int weechat_color)
{
if (!gui_ok)
return;
wbkgdset (window, ' ' | COLOR_PAIR (gui_color_weechat_get_pair (weechat_color)));
werase (window);
wmove (window, 0, 0);
}
/*
* gui_window_clear: clear a Curses window
*/
void
gui_window_clear (WINDOW *window, int fg, int bg)
{
if (!gui_ok)
return;
if ((fg > 0) && (fg & GUI_COLOR_PAIR_FLAG))
fg &= GUI_COLOR_PAIR_MASK;
else
fg = gui_weechat_colors[fg].foreground;
if ((bg > 0) && (bg & GUI_COLOR_PAIR_FLAG))
bg &= GUI_COLOR_PAIR_MASK;
else
bg = gui_weechat_colors[bg].background;
wbkgdset (window, ' ' | COLOR_PAIR (gui_color_get_pair (fg, bg)));
werase (window);
wmove (window, 0, 0);
}
/*
* gui_window_reset_style: reset style (color and attr) with a weechat color
* for a window
*/
void
gui_window_reset_style (WINDOW *window, int weechat_color)
{
window_current_style_fg = -1;
window_current_style_bg = -1;
window_current_style_attr = 0;
window_current_color_attr = 0;
wattroff (window, A_BOLD | A_UNDERLINE | A_REVERSE);
wattron (window, COLOR_PAIR(gui_color_weechat_get_pair (weechat_color)) |
gui_color[weechat_color]->attributes);
}
/*
* gui_window_set_color_style: set style for color
*/
void
gui_window_set_color_style (WINDOW *window, int style)
{
window_current_color_attr |= style;
wattron (window, style);
}
/*
* gui_window_remove_color_style: remove style for color
*/
void
gui_window_remove_color_style (WINDOW *window, int style)
{
window_current_color_attr &= !style;
wattroff (window, style);
}
/*
* gui_window_set_color: set color for a window
*/
void
gui_window_set_color (WINDOW *window, int fg, int bg)
{
window_current_style_fg = fg;
window_current_style_bg = bg;
wattron (window, COLOR_PAIR(gui_color_get_pair (fg, bg)));
}
/*
* gui_window_set_weechat_color: set WeeChat color for window
*/
void
gui_window_set_weechat_color (WINDOW *window, int num_color)
{
int fg, bg;
if ((num_color >= 0) && (num_color < GUI_COLOR_NUM_COLORS))
{
gui_window_reset_style (window, num_color);
wattron (window, gui_color[num_color]->attributes);
fg = gui_color[num_color]->foreground;
bg = gui_color[num_color]->background;
/*
* if not real white, we use default terminal foreground instead of
* white if bold attribute is set
*/
if ((fg == COLOR_WHITE) && (gui_color[num_color]->attributes & A_BOLD)
&& !CONFIG_BOOLEAN(config_look_color_real_white))
{
fg = -1;
}
if ((fg > 0) && (fg & GUI_COLOR_PAIR_FLAG))
fg &= GUI_COLOR_PAIR_MASK;
if ((bg > 0) && (bg & GUI_COLOR_PAIR_FLAG))
bg &= GUI_COLOR_PAIR_MASK;
gui_window_set_color (window, fg, bg);
}
}
/*
* gui_window_set_custom_color_fg_bg: set a custom color for a window
* (foreground and background)
*/
void
gui_window_set_custom_color_fg_bg (WINDOW *window, int fg, int bg)
{
int attributes;
if ((fg >= 0) && (bg >= 0))
{
gui_window_remove_color_style (window, A_BOLD);
if ((fg > 0) && (fg & GUI_COLOR_PAIR_FLAG))
fg &= GUI_COLOR_PAIR_MASK;
else
{
attributes = gui_weechat_colors[fg].attributes;
wattron (window, attributes);
fg = gui_weechat_colors[fg].foreground;
/*
* if not real white, we use default terminal foreground instead of
* white if bold attribute is set
*/
if ((fg == COLOR_WHITE) && (attributes & A_BOLD)
&& !CONFIG_BOOLEAN(config_look_color_real_white))
{
fg = -1;
}
}
if ((bg > 0) && (bg & GUI_COLOR_PAIR_FLAG))
bg &= GUI_COLOR_PAIR_MASK;
else
{
bg = (gui_color_num_bg > 8) ?
gui_weechat_colors[bg].background : gui_weechat_colors[bg].foreground;
}
gui_window_set_color (window, fg, bg);
}
}
/*
* gui_window_set_custom_color_fg: set a custom color for a window
* (foreground only)
*/
void
gui_window_set_custom_color_fg (WINDOW *window, int fg)
{
int current_bg, attributes;
if (fg >= 0)
{
current_bg = window_current_style_bg;
if ((fg > 0) && (fg & GUI_COLOR_PAIR_FLAG))
{
gui_window_set_color (window, fg & GUI_COLOR_PAIR_MASK, current_bg);
}
else if (fg < GUI_CURSES_NUM_WEECHAT_COLORS)
{
gui_window_remove_color_style (window, A_BOLD);
attributes = gui_weechat_colors[fg].attributes;
gui_window_set_color_style (window, attributes);
fg = gui_weechat_colors[fg].foreground;
/*
* if not real white, we use default terminal foreground instead of
* white if bold attribute is set
*/
if ((fg == COLOR_WHITE) && (attributes & A_BOLD)
&& !CONFIG_BOOLEAN(config_look_color_real_white))
{
fg = -1;
}
gui_window_set_color (window, fg, current_bg);
}
}
}
/*
* gui_window_set_custom_color_bg: set a custom color for a window
* (background only)
*/
void
gui_window_set_custom_color_bg (WINDOW *window, int bg)
{
int current_attr, current_fg;
if (bg >= 0)
{
current_attr = window_current_style_attr;
current_fg = window_current_style_fg;
if ((bg > 0) && (bg & GUI_COLOR_PAIR_FLAG))
{
gui_window_set_color (window, current_fg, bg & GUI_COLOR_PAIR_MASK);
}
else if (bg < GUI_CURSES_NUM_WEECHAT_COLORS)
{
gui_window_set_color_style (window, current_attr);
gui_window_set_color (window, current_fg,
(gui_color_num_bg > 8) ?
gui_weechat_colors[bg].background : gui_weechat_colors[bg].foreground);
}
}
}
/*
* gui_window_set_custom_color_pair: set a custom color for a window
* (pair number)
*/
void
gui_window_set_custom_color_pair (WINDOW *window, int pair)
{
if ((pair >= 0) && (pair <= gui_color_num_pairs))
{
gui_window_remove_color_style (window, A_BOLD);
wattron (window, COLOR_PAIR(pair));
}
}
/*
* gui_window_clrtoeol: clear until end of line with current background
*/
void
gui_window_clrtoeol (WINDOW *window)
{
wbkgdset (window,
' ' | COLOR_PAIR (gui_color_get_pair (window_current_style_fg,
window_current_style_bg)));
wclrtoeol (window);
}
/*
* gui_window_calculate_pos_size: calculate position and size for a buffer and
* subwindows
*/
void
gui_window_calculate_pos_size (struct t_gui_window *window)
{
struct t_gui_bar_window *ptr_bar_win;
int add_top, add_bottom, add_left, add_right;
if ((window->win_width < GUI_WINDOW_MIN_WIDTH)
|| (window->win_height < GUI_WINDOW_MIN_HEIGHT))
{
gui_ok = 0;
return;
}
for (ptr_bar_win = window->bar_windows; ptr_bar_win;
ptr_bar_win = ptr_bar_win->next_bar_window)
{
gui_bar_window_calculate_pos_size (ptr_bar_win, window);
}
add_bottom = gui_bar_window_get_size (NULL, window, GUI_BAR_POSITION_BOTTOM);
add_top = gui_bar_window_get_size (NULL, window, GUI_BAR_POSITION_TOP);
add_left = gui_bar_window_get_size (NULL, window, GUI_BAR_POSITION_LEFT);
add_right = gui_bar_window_get_size (NULL, window, GUI_BAR_POSITION_RIGHT);
window->win_chat_x = window->win_x + add_left;
window->win_chat_y = window->win_y + add_top;
window->win_chat_width = window->win_width - add_left - add_right;
window->win_chat_height = window->win_height - add_top - add_bottom;
window->win_chat_cursor_x = window->win_x + add_left;
window->win_chat_cursor_y = window->win_y + add_top;
if ((window->win_chat_width <= 1) || (window->win_chat_height <= 0))
gui_ok = 0;
}
/*
* gui_window_draw_separator: draw window separation
*/
void
gui_window_draw_separator (struct t_gui_window *window)
{
if (GUI_WINDOW_OBJECTS(window)->win_separator)
{
delwin (GUI_WINDOW_OBJECTS(window)->win_separator);
GUI_WINDOW_OBJECTS(window)->win_separator = NULL;
}
if (window->win_x > gui_bar_root_get_size (NULL, GUI_BAR_POSITION_LEFT))
{
GUI_WINDOW_OBJECTS(window)->win_separator = newwin (window->win_height,
1,
window->win_y,
window->win_x - 1);
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_separator,
GUI_COLOR_SEPARATOR);
mvwvline (GUI_WINDOW_OBJECTS(window)->win_separator, 0, 0, ACS_VLINE,
window->win_height);
wnoutrefresh (GUI_WINDOW_OBJECTS(window)->win_separator);
refresh ();
}
}
/*
* gui_window_redraw_buffer: redraw a buffer
*/
void
gui_window_redraw_buffer (struct t_gui_buffer *buffer)
{
if (!gui_ok)
return;
gui_chat_draw (buffer, 1);
}
/*
* gui_window_redraw_all_buffers: redraw all buffers
*/
void
gui_window_redraw_all_buffers ()
{
struct t_gui_buffer *ptr_buffer;
if (!gui_ok)
return;
for (ptr_buffer = gui_buffers; ptr_buffer;
ptr_buffer = ptr_buffer->next_buffer)
{
gui_window_redraw_buffer (ptr_buffer);
}
}
/*
* gui_window_switch_to_buffer: switch to another buffer in a window
*/
void
gui_window_switch_to_buffer (struct t_gui_window *window,
struct t_gui_buffer *buffer,
int set_last_read)
{
struct t_gui_bar_window *ptr_bar_window;
struct t_gui_buffer *old_buffer;
if (!gui_ok)
return;
gui_buffer_add_value_num_displayed (window->buffer, -1);
old_buffer = window->buffer;
if (window->buffer->number != buffer->number)
{
window->start_line = NULL;
window->start_line_pos = 0;
if (!gui_buffers_visited_frozen)
{
gui_buffer_visited_add (window->buffer);
gui_buffer_visited_add (buffer);
}
if (set_last_read)
{
if (window->buffer->num_displayed == 0)
{
window->buffer->lines->last_read_line = window->buffer->lines->last_line;
window->buffer->lines->first_line_not_read = 0;
}
if (buffer->lines->last_read_line == buffer->lines->last_line)
{
buffer->lines->last_read_line = NULL;
buffer->lines->first_line_not_read = 0;
}
}
}
window->buffer = buffer;
gui_buffer_add_value_num_displayed (buffer, 1);
gui_hotlist_remove_buffer (buffer);
if (gui_ok)
{
gui_bar_window_remove_unused_bars (window);
gui_bar_window_add_missing_bars (window);
/* create bar windows */
for (ptr_bar_window = window->bar_windows; ptr_bar_window;
ptr_bar_window = ptr_bar_window->next_bar_window)
{
gui_bar_window_content_build (ptr_bar_window, window);
gui_bar_window_calculate_pos_size (ptr_bar_window, window);
gui_bar_window_create_win (ptr_bar_window);
}
gui_window_calculate_pos_size (window);
/* destroy Curses windows */
gui_window_objects_free (window, 0);
/* create Curses windows */
if (GUI_WINDOW_OBJECTS(window)->win_chat)
delwin (GUI_WINDOW_OBJECTS(window)->win_chat);
GUI_WINDOW_OBJECTS(window)->win_chat = newwin (window->win_chat_height,
window->win_chat_width,
window->win_chat_y,
window->win_chat_x);
gui_window_draw_separator (window);
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
if (window->buffer->type == GUI_BUFFER_TYPE_FREE)
{
window->scroll = 0;
window->scroll_lines_after = 0;
}
gui_buffer_set_active_buffer (buffer);
for (ptr_bar_window = window->bar_windows; ptr_bar_window;
ptr_bar_window = ptr_bar_window->next_bar_window)
{
ptr_bar_window->bar->bar_refresh_needed = 1;
}
if (CONFIG_BOOLEAN(config_look_read_marker_always_show)
&& set_last_read && !window->buffer->lines->last_read_line)
{
window->buffer->lines->last_read_line = window->buffer->lines->last_line;
}
gui_input_move_to_buffer (old_buffer, window->buffer);
hook_signal_send ("buffer_switch",
WEECHAT_HOOK_SIGNAL_POINTER, buffer);
}
/*
* gui_window_switch: switch to another window
*/
void
gui_window_switch (struct t_gui_window *window)
{
struct t_gui_window *old_window;
int changes;
if (gui_current_window == window)
return;
old_window = gui_current_window;
gui_current_window = window;
changes = gui_bar_window_remove_unused_bars (old_window)
|| gui_bar_window_add_missing_bars (old_window);
if (changes)
{
gui_current_window = old_window;
gui_window_switch_to_buffer (gui_current_window,
gui_current_window->buffer, 1);
gui_current_window = window;
}
gui_window_switch_to_buffer (gui_current_window,
gui_current_window->buffer, 1);
gui_input_move_to_buffer (old_window->buffer, window->buffer);
}
/*
* gui_window_page_up: display previous page on buffer
*/
void
gui_window_page_up (struct t_gui_window *window)
{
char scroll[32];
int num_lines;
if (!gui_ok)
return;
num_lines = ((window->win_chat_height - 1) *
CONFIG_INTEGER(config_look_scroll_page_percent)) / 100;
if (num_lines < 1)
num_lines = 1;
else if (num_lines > window->win_chat_height - 1)
num_lines = window->win_chat_height - 1;
switch (window->buffer->type)
{
case GUI_BUFFER_TYPE_FORMATTED:
if (!window->first_line_displayed)
{
gui_chat_calculate_line_diff (window, &window->start_line,
&window->start_line_pos,
(window->start_line) ?
(-1) * (num_lines) :
(-1) * (num_lines + window->win_chat_height - 1));
window->scroll_reset_allowed = 1;
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
break;
case GUI_BUFFER_TYPE_FREE:
if (window->start_line)
{
snprintf (scroll, sizeof (scroll), "-%d",
num_lines + 1);
gui_window_scroll (window, scroll);
hook_signal_send ("window_scrolled",
WEECHAT_HOOK_SIGNAL_POINTER, window);
}
break;
case GUI_BUFFER_NUM_TYPES:
break;
}
}
/*
* gui_window_page_down: display next page on buffer
*/
void
gui_window_page_down (struct t_gui_window *window)
{
struct t_gui_line *ptr_line;
int line_pos, num_lines;
char scroll[32];
if (!gui_ok)
return;
num_lines = ((window->win_chat_height - 1) *
CONFIG_INTEGER(config_look_scroll_page_percent)) / 100;
if (num_lines < 1)
num_lines = 1;
else if (num_lines > window->win_chat_height - 1)
num_lines = window->win_chat_height - 1;
switch (window->buffer->type)
{
case GUI_BUFFER_TYPE_FORMATTED:
if (window->start_line)
{
gui_chat_calculate_line_diff (window, &window->start_line,
&window->start_line_pos,
num_lines);
/* check if we can display all */
ptr_line = window->start_line;
line_pos = window->start_line_pos;
gui_chat_calculate_line_diff (window, &ptr_line,
&line_pos,
num_lines);
if (!ptr_line)
{
window->start_line = NULL;
window->start_line_pos = 0;
}
window->scroll_reset_allowed = 1;
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
break;
case GUI_BUFFER_TYPE_FREE:
snprintf (scroll, sizeof (scroll), "+%d",
num_lines + 1);
gui_window_scroll (window, scroll);
hook_signal_send ("window_scrolled",
WEECHAT_HOOK_SIGNAL_POINTER, window);
break;
case GUI_BUFFER_NUM_TYPES:
break;
}
}
/*
* gui_window_scroll_up: display previous few lines in buffer
*/
void
gui_window_scroll_up (struct t_gui_window *window)
{
char scroll[32];
if (!gui_ok)
return;
switch (window->buffer->type)
{
case GUI_BUFFER_TYPE_FORMATTED:
if (!window->first_line_displayed)
{
gui_chat_calculate_line_diff (window, &window->start_line,
&window->start_line_pos,
(window->start_line) ?
(-1) * CONFIG_INTEGER(config_look_scroll_amount) :
(-1) * ( (window->win_chat_height - 1) +
CONFIG_INTEGER(config_look_scroll_amount)));
window->scroll_reset_allowed = 1;
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
break;
case GUI_BUFFER_TYPE_FREE:
if (window->start_line)
{
snprintf (scroll, sizeof (scroll), "-%d",
CONFIG_INTEGER(config_look_scroll_amount));
gui_window_scroll (window, scroll);
hook_signal_send ("window_scrolled",
WEECHAT_HOOK_SIGNAL_POINTER, window);
}
break;
case GUI_BUFFER_NUM_TYPES:
break;
}
}
/*
* gui_window_scroll_down: display next few lines in buffer
*/
void
gui_window_scroll_down (struct t_gui_window *window)
{
struct t_gui_line *ptr_line;
int line_pos;
char scroll[32];
if (!gui_ok)
return;
switch (window->buffer->type)
{
case GUI_BUFFER_TYPE_FORMATTED:
if (window->start_line)
{
gui_chat_calculate_line_diff (window, &window->start_line,
&window->start_line_pos,
CONFIG_INTEGER(config_look_scroll_amount));
/* check if we can display all */
ptr_line = window->start_line;
line_pos = window->start_line_pos;
gui_chat_calculate_line_diff (window, &ptr_line,
&line_pos,
window->win_chat_height - 1);
if (!ptr_line)
{
window->start_line = NULL;
window->start_line_pos = 0;
}
window->scroll_reset_allowed = 1;
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
break;
case GUI_BUFFER_TYPE_FREE:
snprintf (scroll, sizeof (scroll), "+%d",
CONFIG_INTEGER(config_look_scroll_amount));
gui_window_scroll (window, scroll);
hook_signal_send ("window_scrolled",
WEECHAT_HOOK_SIGNAL_POINTER, window);
break;
case GUI_BUFFER_NUM_TYPES:
break;
}
}
/*
* gui_window_scroll_top: scroll to top of buffer
*/
void
gui_window_scroll_top (struct t_gui_window *window)
{
if (!gui_ok)
return;
switch (window->buffer->type)
{
case GUI_BUFFER_TYPE_FORMATTED:
if (!window->first_line_displayed)
{
window->start_line = gui_line_get_first_displayed (window->buffer);
window->start_line_pos = 0;
window->scroll_reset_allowed = 1;
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
break;
case GUI_BUFFER_TYPE_FREE:
if (window->start_line)
{
window->start_line = NULL;
gui_buffer_ask_chat_refresh (window->buffer, 2);
hook_signal_send ("window_scrolled",
WEECHAT_HOOK_SIGNAL_POINTER, window);
}
break;
case GUI_BUFFER_NUM_TYPES:
break;
}
}
/*
* gui_window_scroll_bottom: scroll to bottom of buffer
*/
void
gui_window_scroll_bottom (struct t_gui_window *window)
{
char scroll[32];
if (!gui_ok)
return;
switch (window->buffer->type)
{
case GUI_BUFFER_TYPE_FORMATTED:
if (window->start_line)
{
window->start_line = NULL;
window->start_line_pos = 0;
window->scroll_reset_allowed = 1;
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
break;
case GUI_BUFFER_TYPE_FREE:
window->start_line = NULL;
if (window->buffer->lines->lines_count > window->win_chat_height)
{
snprintf (scroll, sizeof (scroll), "-%d",
window->win_chat_height - 1);
gui_window_scroll (window, scroll);
}
else
{
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
hook_signal_send ("window_scrolled",
WEECHAT_HOOK_SIGNAL_POINTER, window);
break;
case GUI_BUFFER_NUM_TYPES:
break;
}
}
/*
* gui_window_auto_resize: auto-resize all windows, according to % of global size
* This function is called after a terminal resize.
* Returns 0 if ok, -1 if all window should be merged
* (not enough space according to windows %)
*/
int
gui_window_auto_resize (struct t_gui_window_tree *tree,
int x, int y, int width, int height,
int simulate)
{
int size1, size2;
if (!gui_ok)
return 0;
if (tree)
{
if (tree->window)
{
if ((width < GUI_WINDOW_MIN_WIDTH) || (height < GUI_WINDOW_MIN_HEIGHT))
return -1;
if (!simulate)
{
tree->window->win_x = x;
tree->window->win_y = y;
tree->window->win_width = width;
tree->window->win_height = height;
}
}
else
{
if (tree->split_horizontal)
{
size1 = (height * tree->split_pct) / 100;
size2 = height - size1;
if (gui_window_auto_resize (tree->child1, x, y + size1,
width, size2, simulate) < 0)
return -1;
if (gui_window_auto_resize (tree->child2, x, y,
width, size1, simulate) < 0)
return -1;
}
else
{
size1 = (width * tree->split_pct) / 100;
size2 = width - size1 - 1;
if (gui_window_auto_resize (tree->child1, x, y,
size1, height, simulate) < 0)
return -1;
if (gui_window_auto_resize (tree->child2, x + size1 + 1, y,
size2, height, simulate) < 0)
return -1;
}
}
}
return 0;
}
/*
* gui_window_refresh_windows: auto resize and refresh all windows
*/
void
gui_window_refresh_windows ()
{
struct t_gui_window *ptr_win, *old_current_window;
struct t_gui_bar *ptr_bar;
int add_bottom, add_top, add_left, add_right;
if (!gui_ok)
return;
old_current_window = gui_current_window;
for (ptr_bar = gui_bars; ptr_bar; ptr_bar = ptr_bar->next_bar)
{
if (CONFIG_INTEGER(ptr_bar->options[GUI_BAR_OPTION_TYPE]) == GUI_BAR_TYPE_ROOT)
{
gui_bar_window_calculate_pos_size (ptr_bar->bar_window, NULL);
gui_bar_window_create_win (ptr_bar->bar_window);
gui_bar_ask_refresh (ptr_bar);
}
}
add_bottom = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_BOTTOM);
add_top = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_TOP);
add_left = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_LEFT);
add_right = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_RIGHT);
if (gui_window_auto_resize (gui_windows_tree, add_left, add_top,
gui_window_get_width () - add_left - add_right,
gui_window_get_height () - add_top - add_bottom,
0) < 0)
{
gui_window_merge_all (gui_current_window);
}
for (ptr_win = gui_windows; ptr_win; ptr_win = ptr_win->next_window)
{
ptr_win->refresh_needed = 1;
}
gui_current_window = old_current_window;
}
/*
* gui_window_split_horizontal: split a window horizontally
*/
struct t_gui_window *
gui_window_split_horizontal (struct t_gui_window *window, int percentage)
{
struct t_gui_window *new_window;
int height1, height2;
if (!gui_ok)
return NULL;
new_window = NULL;
height1 = (window->win_height * percentage) / 100;
height2 = window->win_height - height1;
if ((height1 >= GUI_WINDOW_MIN_HEIGHT) && (height2 >= GUI_WINDOW_MIN_HEIGHT)
&& (percentage > 0) && (percentage <= 100))
{
new_window = gui_window_new (window, window->buffer,
window->win_x, window->win_y,
window->win_width, height1,
100, percentage);
if (new_window)
{
/* reduce old window height (bottom window) */
window->win_y = new_window->win_y + new_window->win_height;
window->win_height = height2;
window->win_height_pct = 100 - percentage;
/* assign same buffer for new window (top window) */
gui_buffer_add_value_num_displayed (new_window->buffer, 1);
window->refresh_needed = 1;
new_window->refresh_needed = 1;
gui_window_switch (new_window);
}
}
return new_window;
}
/*
* gui_window_split_vertical: split a window vertically
*/
struct t_gui_window *
gui_window_split_vertical (struct t_gui_window *window, int percentage)
{
struct t_gui_window *new_window;
int width1, width2;
if (!gui_ok)
return NULL;
new_window = NULL;
width1 = (window->win_width * percentage) / 100;
width2 = window->win_width - width1 - 1;
if ((width1 >= GUI_WINDOW_MIN_WIDTH) && (width2 >= GUI_WINDOW_MIN_WIDTH)
&& (percentage > 0) && (percentage <= 100))
{
new_window = gui_window_new (window, window->buffer,
window->win_x + width1 + 1, window->win_y,
width2, window->win_height,
percentage, 100);
if (new_window)
{
/* reduce old window height (left window) */
window->win_width = width1;
window->win_width_pct = 100 - percentage;
/* assign same buffer for new window (right window) */
gui_buffer_add_value_num_displayed (new_window->buffer, 1);
window->refresh_needed = 1;
new_window->refresh_needed = 1;
gui_window_switch (new_window);
/* create & draw separator */
gui_window_draw_separator (gui_current_window);
}
}
return new_window;
}
/*
* gui_window_resize: resize window
*/
void
gui_window_resize (struct t_gui_window *window, int percentage)
{
struct t_gui_window_tree *parent;
int old_split_pct, add_bottom, add_top, add_left, add_right;
if (!gui_ok)
return;
parent = window->ptr_tree->parent_node;
if (parent)
{
old_split_pct = parent->split_pct;
if (((parent->split_horizontal) && (window->ptr_tree == parent->child2))
|| ((!(parent->split_horizontal)) && (window->ptr_tree == parent->child1)))
parent->split_pct = percentage;
else
parent->split_pct = 100 - percentage;
add_bottom = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_BOTTOM);
add_top = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_TOP);
add_left = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_LEFT);
add_right = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_RIGHT);
if (gui_window_auto_resize (gui_windows_tree, add_left, add_top,
gui_window_get_width () - add_left - add_right,
gui_window_get_height () - add_top - add_bottom,
1) < 0)
parent->split_pct = old_split_pct;
else
gui_window_ask_refresh (1);
}
}
/*
* gui_window_merge: merge window with its sister
*/
int
gui_window_merge (struct t_gui_window *window)
{
struct t_gui_window_tree *parent, *sister;
if (!gui_ok)
return 0;
parent = window->ptr_tree->parent_node;
if (parent)
{
sister = (parent->child1->window == window) ?
parent->child2 : parent->child1;
if (!(sister->window))
return 0;
if (window->win_y == sister->window->win_y)
{
/* horizontal merge */
window->win_width += sister->window->win_width + 1;
window->win_width_pct += sister->window->win_width_pct;
}
else
{
/* vertical merge */
window->win_height += sister->window->win_height;
window->win_height_pct += sister->window->win_height_pct;
}
if (sister->window->win_x < window->win_x)
window->win_x = sister->window->win_x;
if (sister->window->win_y < window->win_y)
window->win_y = sister->window->win_y;
gui_window_free (sister->window);
gui_window_tree_node_to_leaf (parent, window);
gui_window_switch_to_buffer (window, window->buffer, 1);
return 1;
}
return 0;
}
/*
* gui_window_merge_all: merge all windows into only one
*/
void
gui_window_merge_all (struct t_gui_window *window)
{
int num_deleted, add_bottom, add_top, add_left, add_right;
if (!gui_ok)
return;
num_deleted = 0;
while (gui_windows->next_window)
{
gui_window_free ((gui_windows == window) ? gui_windows->next_window : gui_windows);
num_deleted++;
}
if (num_deleted > 0)
{
gui_window_tree_free (&gui_windows_tree);
gui_window_tree_init (window);
window->ptr_tree = gui_windows_tree;
add_bottom = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_BOTTOM);
add_top = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_TOP);
add_left = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_LEFT);
add_right = gui_bar_root_get_size (NULL, GUI_BAR_POSITION_RIGHT);
window->win_x = add_left;
window->win_y = add_top;
window->win_width = gui_window_get_width () - add_left - add_right;
window->win_height = gui_window_get_height () - add_top - add_bottom;
window->win_width_pct = 100;
window->win_height_pct = 100;
gui_current_window = window;
gui_window_switch_to_buffer (window, window->buffer, 1);
}
}
/*
* gui_window_side_by_side: return a code about position of 2 windows:
* 0 = they're not side by side
* 1 = side by side (win2 is over the win1)
* 2 = side by side (win2 on the right)
* 3 = side by side (win2 below win1)
* 4 = side by side (win2 on the left)
*/
int
gui_window_side_by_side (struct t_gui_window *win1, struct t_gui_window *win2)
{
if (!gui_ok)
return 0;
/* win2 over win1 ? */
if (win2->win_y + win2->win_height == win1->win_y)
{
if (win2->win_x >= win1->win_x + win1->win_width)
return 0;
if (win2->win_x + win2->win_width <= win1->win_x)
return 0;
return 1;
}
/* win2 on the right ? */
if (win2->win_x == win1->win_x + win1->win_width + 1)
{
if (win2->win_y >= win1->win_y + win1->win_height)
return 0;
if (win2->win_y + win2->win_height <= win1->win_y)
return 0;
return 2;
}
/* win2 below win1 ? */
if (win2->win_y == win1->win_y + win1->win_height)
{
if (win2->win_x >= win1->win_x + win1->win_width)
return 0;
if (win2->win_x + win2->win_width <= win1->win_x)
return 0;
return 3;
}
/* win2 on the left ? */
if (win2->win_x + win2->win_width + 1 == win1->win_x)
{
if (win2->win_y >= win1->win_y + win1->win_height)
return 0;
if (win2->win_y + win2->win_height <= win1->win_y)
return 0;
return 4;
}
return 0;
}
/*
* gui_window_switch_up: search and switch to a window over current window
*/
void
gui_window_switch_up (struct t_gui_window *window)
{
struct t_gui_window *ptr_win;
if (!gui_ok)
return;
for (ptr_win = gui_windows; ptr_win;
ptr_win = ptr_win->next_window)
{
if ((ptr_win != window) &&
(gui_window_side_by_side (window, ptr_win) == 1))
{
gui_window_switch (ptr_win);
return;
}
}
}
/*
* gui_window_switch_down: search and switch to a window below current window
*/
void
gui_window_switch_down (struct t_gui_window *window)
{
struct t_gui_window *ptr_win;
if (!gui_ok)
return;
for (ptr_win = gui_windows; ptr_win;
ptr_win = ptr_win->next_window)
{
if ((ptr_win != window) &&
(gui_window_side_by_side (window, ptr_win) == 3))
{
gui_window_switch (ptr_win);
return;
}
}
}
/*
* gui_window_switch_left: search and switch to a window on the left of current window
*/
void
gui_window_switch_left (struct t_gui_window *window)
{
struct t_gui_window *ptr_win;
if (!gui_ok)
return;
for (ptr_win = gui_windows; ptr_win;
ptr_win = ptr_win->next_window)
{
if ((ptr_win != window) &&
(gui_window_side_by_side (window, ptr_win) == 4))
{
gui_window_switch (ptr_win);
return;
}
}
}
/*
* gui_window_switch_right: search and switch to a window on the right of current window
*/
void
gui_window_switch_right (struct t_gui_window *window)
{
struct t_gui_window *ptr_win;
if (!gui_ok)
return;
for (ptr_win = gui_windows; ptr_win;
ptr_win = ptr_win->next_window)
{
if ((ptr_win != window) &&
(gui_window_side_by_side (window, ptr_win) == 2))
{
gui_window_switch (ptr_win);
return;
}
}
}
/*
* gui_window_refresh_screen: called when term size is modified
* full_refresh == 1 when Ctrl+L is pressed,
* or if terminal is resized
*/
void
gui_window_refresh_screen (int full_refresh)
{
if (full_refresh)
{
endwin ();
refresh ();
gui_window_read_terminal_size ();
refresh ();
}
gui_window_refresh_windows ();
}
/*
* gui_window_set_title: set terminal title
*/
void
gui_window_set_title (const char *title)
{
char *shell, *shellname;
char *envterm = getenv ("TERM");
char *envshell = getenv ("SHELL");
if (envterm)
{
if (title && title[0])
{
if (strcmp (envterm, "sun-cmd") == 0)
{
printf ("\033]l%s\033\\", title);
}
else if (strcmp (envterm, "hpterm") == 0)
{
printf ("\033&f0k%dD%s", (int)(strlen(title) + 1), title);
}
/* the following term supports the xterm excapes */
else if ((strncmp (envterm, "xterm", 5) == 0)
|| (strncmp (envterm, "rxvt", 4) == 0)
|| (strcmp (envterm, "Eterm") == 0)
|| (strcmp (envterm, "aixterm") == 0)
|| (strcmp (envterm, "iris-ansi") == 0)
|| (strcmp (envterm, "dtterm") == 0))
{
printf ("\33]0;%s\7", title);
}
else if (strncmp (envterm, "screen", 6) == 0)
{
printf ("\033k%s\033\\", title);
/* trying to set the title of a backgrounded xterm like terminal */
printf ("\33]0;%s\7", title);
}
}
else
{
if (strcmp (envterm, "sun-cmd") == 0)
{
printf ("\033]l%s\033\\", "Terminal");
}
else if (strcmp (envterm, "hpterm") == 0)
{
printf ("\033&f0k%dD%s", (int)strlen("Terminal"), "Terminal");
}
/* the following term supports the xterm excapes */
else if ((strncmp (envterm, "xterm", 5) == 0)
|| (strncmp (envterm, "rxvt", 4) == 0)
|| (strcmp (envterm, "Eterm") == 0)
|| (strcmp( envterm, "aixterm") == 0)
|| (strcmp( envterm, "iris-ansi") == 0)
|| (strcmp( envterm, "dtterm") == 0))
{
printf ("\33]0;%s\7", "Terminal");
}
else if (strncmp (envterm, "screen", 6) == 0)
{
if (envshell)
{
shell = strdup (envshell);
if (shell)
{
shellname = basename (shell);
printf ("\033k%s\033\\", (shellname) ? shellname : shell);
free (shell);
}
else
{
printf ("\033k%s\033\\", envterm);
}
}
else
{
printf ("\033k%s\033\\", envterm);
}
/* tryning to reset the title of a backgrounded xterm like terminal */
printf ("\33]0;%s\7", "Terminal");
}
}
}
}
/*
* gui_window_term_display_infos: display some infos about terminal and colors
*/
void
gui_window_term_display_infos ()
{
gui_chat_printf (NULL, "");
gui_chat_printf (NULL, _("Terminal infos:"));
gui_chat_printf (NULL, _(" TERM='%s', size: %dx%d"),
getenv("TERM"), gui_term_cols, gui_term_lines);
}
/*
* gui_window_objects_print_log: print window Curses objects infos in log
* (usually for crash dump)
*/
void
gui_window_objects_print_log (struct t_gui_window *window)
{
log_printf (" window specific objects for Curses:");
log_printf (" win_chat. . . . . : 0x%lx", GUI_WINDOW_OBJECTS(window)->win_chat);
log_printf (" win_separator . . : 0x%lx", GUI_WINDOW_OBJECTS(window)->win_separator);
}
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