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various input line improvements

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This commit is contained in:
Bill Currie 2001-09-26 16:31:36 +00:00
parent 9eae11b67e
commit cb4f7eb808
3 changed files with 61 additions and 36 deletions
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5
include/QF/console.h
View file

@ -48,14 +48,17 @@ typedef struct inputline_s
{
char **lines; // array of lines for input history
int num_lines; // number of lines in arry. 1 == no history
int line_width; // space available in each line. includes \0
int line_size; // space available in each line. includes \0
char prompt_char; // char placed at the beginning of the line
int edit_line; // current line being edited
int history_line; // current history line
int linepos; // cursor position within the current edit line
int scroll; // beginning of displayed line
int width; // viewable widht for horizontal scrolling
void *user_data; // eg: window pointer
void (*complete)(struct inputline_s *); // tab key pressed
void (*enter)(const char *line); // enter key pressed
void (*draw)(struct inputline_s *); // draw input line to screen
} inputline_t;
extern console_t con_main;

20
libs/console/inputline.c
View file

@ -44,6 +44,8 @@
#include "QF/console.h"
#include "QF/keys.h"
#include "compat.h"
struct inputline_s *
Con_CreateInputLine (int lines, int width, char prompt)
{
@ -62,7 +64,7 @@ Con_CreateInputLine (int lines, int width, char prompt)
inputline->lines = p;
inputline->num_lines = lines;
inputline->line_width = width;
inputline->line_size = width;
while (lines--) {
*p++ = l;
l += width;
@ -85,6 +87,7 @@ void
Con_ProcessInputLine (inputline_t *il, int ch)
{
int i;
char *text;
switch (ch) {
case K_RETURN:
@ -152,7 +155,7 @@ Con_ProcessInputLine (inputline_t *il, int ch)
default:
if (ch >= ' ' && ch < 256 && ch != 127) {
i = strlen (il->lines[il->edit_line]);
if (i >= il->line_width - 1)
if (i >= il->line_size - 1)
break;
// This also moves the ending \0
memmove (il->lines[il->edit_line] + il->linepos + 1,
@ -163,4 +166,17 @@ Con_ProcessInputLine (inputline_t *il, int ch)
}
break;
}
i = il->linepos - 1;
if (il->scroll > i)
il->scroll = i;
if (il->scroll < i - (il->width - 2) + 1)
il->scroll = i - (il->width - 2) + 1;
text = il->lines[il->edit_line] + il->scroll;
if ((int)strlen (text + 1) < il->width - 2) {
text = il->lines[il->edit_line];
il->scroll = strlen (text + 1) - (il->width - 2);
il->scroll = max (il->scroll, 0);
}
if (il->draw)
il->draw (il);
}

72
libs/console/server.c
View file

@ -109,6 +109,38 @@ C_ExecLine (const char *line)
Cbuf_AddText (line);
}
static void
C_DrawInputLine (inputline_t *il)
{
WINDOW *win = (WINDOW *) il->user_data;
int i;
const char *text;
text = il->lines[il->edit_line] + il->scroll;
wmove (win, 0, 0);
if (il->scroll) {
waddch (win, '<' | COLOR_PAIR (5));
text++;
} else {
waddch (win, *text++);
}
for (i = 0; i < il->width - 2 && *text; i++) {
chtype ch = (byte)*text++;
ch = sys_char_map[ch] | attr_table[attr_map[ch]];
waddch (win, ch);
}
while (i++ < il->width - 2) {
waddch (win, ' ');
}
if (*text) {
waddch (win, '>' | COLOR_PAIR (5));
} else {
waddch (win, ' ');
}
wmove (win, 0, il->linepos - il->scroll);
wrefresh (win);
}
static void
sigwinch (int sig)
{
@ -145,6 +177,7 @@ C_Init (void)
init_pair (2, COLOR_GREEN, COLOR_BLACK);
init_pair (3, COLOR_RED, COLOR_BLACK);
init_pair (4, COLOR_YELLOW, COLOR_BLUE);
init_pair (5, COLOR_CYAN, COLOR_BLACK);
scrollok (output, TRUE);
leaveok (output, TRUE);
@ -169,8 +202,13 @@ C_Init (void)
input_line = Con_CreateInputLine (16, MAXCMDLINE, ']');
input_line->complete = Con_BasicCompleteCommandLine;
input_line->enter = C_ExecLine;
input_line->width = screen_x;
input_line->user_data = input;
input_line->draw = C_DrawInputLine;
con_linewidth = screen_x;
C_DrawInputLine (input_line);
} else
#endif
setvbuf (stdout, 0, _IOLBF, BUFSIZ);
@ -232,8 +270,6 @@ C_ProcessInput (void)
#ifdef HAVE_CURSES_H
if (use_curses) {
int ch;
int i;
const char *text;
if (interrupted) {
struct winsize size;
@ -243,9 +279,9 @@ C_ProcessInput (void)
resizeterm (size.ws_row, size.ws_col);
getmaxyx (stdscr, screen_y, screen_x);
con_linewidth = screen_x;
input_line->width = screen_x;
wrefresh (curscr);
}
return;
}
ch = wgetch (input);
@ -294,36 +330,6 @@ C_ProcessInput (void)
return;
}
Con_ProcessInputLine (input_line, ch);
i = input_line->linepos - 1;
if (input_line->scroll > i)
input_line->scroll = i;
if (input_line->scroll < i - (screen_x - 2) + 1)
input_line->scroll = i - (screen_x - 2) + 1;
text = input_line->lines[input_line->edit_line] + input_line->scroll;
if ((int)strlen (text + 1) < screen_x - 2) {
text = input_line->lines[input_line->edit_line];
input_line->scroll = strlen (text + 1) - (screen_x - 2);
input_line->scroll = max (input_line->scroll, 0);
text += input_line->scroll;
}
wmove (input, 0, 0);
if (input_line->scroll) {
waddch (input, '<');
} else {
waddch (input, *text++);
}
for (i = 0; i < screen_x - 2 && *text; i++)
waddch (input, *text++);
while (i++ < screen_x - 2)
waddch (input, ' ');
if (*text) {
waddch (input, '>');
} else {
waddch (input, ' ');
}
wmove (input, 0, input_line->linepos - input_line->scroll);
touchline (stdscr, screen_y - 1, 1);
wrefresh (input);
} else
#endif
while (1) {