Avoid redundant redraws on resize

Use a global flag to record whether the terminal was resized instead of
redrawing everything each time a KEY_RESIZE is read.

Add some additional checks to help_write_pad() as invalid actions may be
passed now due to using signals instead of virtual key presses.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
This commit is contained in:
Lukas Fleischer 2011-06-28 11:05:05 +02:00
parent 6636232bc7
commit fec37db06b
7 changed files with 105 additions and 76 deletions

View File

@ -179,9 +179,7 @@ main (int argc, char **argv)
break;
case KEY_GENERIC_REDRAW:
case KEY_RESIZE:
do_update = 0;
wins_reset ();
resize = 1;
break;
case KEY_GENERIC_CHANGE_VIEW:
@ -567,6 +565,14 @@ main (int argc, char **argv)
apoint_hilt_set (1);
}
}
if (resize)
{
resize = 0;
do_update = 0;
wins_reset ();
}
if (do_update)
wins_update ();
}

View File

@ -864,6 +864,7 @@ void psleep (unsigned);
/* vars.c */
extern int col, row;
extern int resize;
extern unsigned colorize;
extern enum ui_mode ui_mode;
extern int days[12];

View File

@ -549,12 +549,6 @@ custom_layout_config (void)
need_reset = 0;
switch (ch)
{
case KEY_RESIZE:
endwin ();
wins_refresh ();
curs_set (0);
need_reset = 1;
break;
case KEY_GENERIC_HELP:
help_wins_init (&hwin, 0, 0,
(notify_bar ()) ? row - 3 : row - 2, col);
@ -588,6 +582,16 @@ custom_layout_config (void)
need_reset = 1;
break;
}
if (resize)
{
resize = 0;
endwin ();
wins_refresh ();
curs_set (0);
need_reset = 1;
}
display_layout_config (&conf_win, mark, cursor, need_reset);
}
wins_set_layout (mark + 1);
@ -863,13 +867,6 @@ custom_color_config (void)
switch (ch)
{
case KEY_RESIZE:
endwin ();
wins_refresh ();
curs_set (0);
need_reset = 1;
break;
case KEY_GENERIC_SELECT:
colorize = 1;
need_reset = 1;
@ -905,6 +902,16 @@ custom_color_config (void)
need_reset = 1;
break;
}
if (resize)
{
resize = 0;
endwin ();
wins_refresh ();
curs_set (0);
need_reset = 1;
}
display_color_config (&conf_win, &mark_fore, &mark_back, cursor,
need_reset, theme_changed);
}
@ -1114,24 +1121,6 @@ custom_general_config (struct conf *conf)
switch (ch)
{
case KEY_RESIZE:
wins_get_config ();
wins_reset ();
wins_scrollwin_delete (&cwin);
wins_scrollwin_init (&cwin);
custom_set_swsiz (&cwin);
wins_show (cwin.win.p, cwin.label);
cwin.first_visible_line = 0;
delwin (win[STA].p);
win[STA].p = newwin (win[STA].h, win[STA].w, win[STA].y,
win[STA].x);
keypad (win[STA].p, TRUE);
if (notify_bar ())
{
notify_reinit_bar ();
notify_update_bar ();
}
break;
case CTRL ('N'):
wins_scrollwin_down (&cwin, 1);
break;
@ -1191,6 +1180,27 @@ custom_general_config (struct conf *conf)
status_mesg (number_str, keys);
break;
}
if (resize)
{
resize = 0;
wins_reset ();
wins_scrollwin_delete (&cwin);
wins_scrollwin_init (&cwin);
custom_set_swsiz (&cwin);
wins_show (cwin.win.p, cwin.label);
cwin.first_visible_line = 0;
delwin (win[STA].p);
win[STA].p = newwin (win[STA].h, win[STA].w, win[STA].y,
win[STA].x);
keypad (win[STA].p, TRUE);
if (notify_bar ())
{
notify_reinit_bar ();
notify_update_bar ();
}
}
status_mesg (number_str, keys);
cwin.total_lines = print_general_options (cwin.pad.p, conf);
wins_scrollwin_display (&cwin);

View File

@ -107,7 +107,7 @@ help_write_pad (struct window *win, char *title, char *text, enum key action)
erase_window_part (win->p, rownum, colnum, BUFSIZ, win->w);
custom_apply_attr (win->p, ATTR_HIGHEST);
mvwprintw (win->p, rownum, colnum, "%s", title);
if ((int) action != KEY_RESIZE) {
if ((int) action != KEY_RESIZE && action < NBKEYS) {
switch (action)
{
case KEY_END_OF_WEEK:
@ -131,8 +131,12 @@ help_write_pad (struct window *win, char *title, char *text, enum key action)
break;
default:
bindings = keys_action_allkeys (action);
colnum = win->w - strlen (bindings_title) - strlen (bindings);
mvwprintw (win->p, rownum, colnum, bindings_title, bindings);
if (bindings)
{
colnum = win->w - strlen (bindings_title) - strlen (bindings);
mvwprintw (win->p, rownum, colnum, bindings_title, bindings);
}
}
}
colnum = 0;
@ -744,34 +748,35 @@ help_screen (void)
erase_window_part (hwin.win.p, 1, hwin.pad.y, col - 2,
hwin.win.h - 2);
if ((int) ch == KEY_RESIZE) {
wins_get_config ();
help_wins_reset (&hwin);
hwin.first_visible_line = 0;
hwin.total_lines = help_write_pad (&hwin.pad, hscr[oldpage].title,
hscr[oldpage].text, ch);
need_resize = 1;
switch (ch) {
case KEY_GENERIC_SCROLL_DOWN:
wins_scrollwin_down (&hwin, 1);
break;
case KEY_GENERIC_SCROLL_UP:
wins_scrollwin_up (&hwin, 1);
break;
default:
page = wanted_page (ch);
if (page != NOPAGE) {
hwin.first_visible_line = 0;
hwin.total_lines = help_write_pad (&hwin.pad, hscr[page].title,
hscr[page].text, ch);
oldpage = page;
}
}
else {
switch (ch) {
case KEY_GENERIC_SCROLL_DOWN:
wins_scrollwin_down (&hwin, 1);
break;
case KEY_GENERIC_SCROLL_UP:
wins_scrollwin_up (&hwin, 1);
break;
default:
page = wanted_page (ch);
if (page != NOPAGE) {
hwin.first_visible_line = 0;
hwin.total_lines = help_write_pad (&hwin.pad, hscr[page].title,
hscr[page].text, ch);
oldpage = page;
}
if (resize)
{
resize = 0;
wins_get_config ();
help_wins_reset (&hwin);
hwin.first_visible_line = 0;
hwin.total_lines = help_write_pad (&hwin.pad, hscr[oldpage].title,
hscr[oldpage].text, ch);
need_resize = 1;
}
}
wins_scrollwin_display (&hwin);
ch = keys_getch (win[STA].p);

View File

@ -728,20 +728,6 @@ notify_config_bar (void)
switch (ch)
{
case KEY_RESIZE:
wins_get_config ();
wins_reset ();
reinit_conf_win (&cwin);
delwin (win[STA].p);
win[STA].p = newwin (win[STA].h, win[STA].w, win[STA].y,
win[STA].x);
keypad (win[STA].p, TRUE);
if (notify_bar ())
{
notify_reinit_bar ();
notify_update_bar ();
}
break;
case CTRL ('N'):
wins_scrollwin_down (&cwin, 1);
break;
@ -815,6 +801,25 @@ notify_config_bar (void)
dmon.log = !dmon.log;
break;
}
if (resize)
{
resize = 0;
wins_get_config ();
wins_reset ();
reinit_conf_win (&cwin);
delwin (win[STA].p);
win[STA].p = newwin (win[STA].h, win[STA].w, win[STA].y,
win[STA].x);
keypad (win[STA].p, TRUE);
if (notify_bar ())
{
notify_reinit_bar ();
notify_update_bar ();
}
clearok (curscr, TRUE);
}
status_mesg (number_str, keys);
cwin.total_lines = print_config_options (cwin.pad.p);
wins_scrollwin_display (&cwin);

View File

@ -59,6 +59,7 @@ generic_hdlr (int sig)
;
break;
case SIGWINCH:
resize = 1;
clearok (curscr, TRUE);
(void)ungetch (KEY_RESIZE);
break;

View File

@ -43,6 +43,7 @@
* variables to store window size
*/
int col = 0, row = 0;
int resize = 0;
/* variable to tell if the terminal supports color */
unsigned colorize = 0;