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add buffer yanking, clean up input functions

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This commit is contained in:
Jfreegman 2014-07-14 14:32:38 -04:00
parent 190e1e73e8
commit b23ae5a4c3
9 changed files with 150 additions and 124 deletions
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4
build/Makefile
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@ -1,4 +1,4 @@
TOXIC_VERSION = 0.4.4
TOXIC_VERSION = 0.4.5
REV = $(shell git rev-list HEAD --count)
VERSION = $(TOXIC_VERSION)_r$(REV)
@ -15,7 +15,7 @@ MANFILES = toxic.1 toxic.conf.5
LIBS = libtoxcore ncursesw
CFLAGS = -std=gnu99 -pthread -Wall
CFLAGS = -std=gnu99 -pthread -Wall -g
CFLAGS += -DTOXICVER="\"$(VERSION)\"" -DHAVE_WIDECHAR -D_XOPEN_SOURCE_EXTENDED
CFLAGS += -DPACKAGE_DATADIR="\"$(abspath $(DATADIR))\""
CFLAGS += $(USER_CFLAGS)

6
src/chat.c
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@ -20,6 +20,10 @@
*
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE /* needed for wcswidth() */
#endif
#include <stdlib.h>
#include <string.h>
#include <time.h>
@ -847,7 +851,7 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
int y, x;
getyx(self->window, y, x);
(void) x;
int new_x = ctx->start ? x2 - 1 : ctx->pos;
int new_x = ctx->start ? x2 - 1 : wcswidth(ctx->line, ctx->pos);
wmove(self->window, y + 1, new_x);
wrefresh(self->window);

4
src/groupchat.c
View File

@ -21,7 +21,7 @@
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE /* needed for strcasestr() */
#define _GNU_SOURCE /* needed for strcasestr() and wcswidth() */
#endif
#include <stdlib.h>
@ -474,7 +474,7 @@ static void groupchat_onDraw(ToxWindow *self, Tox *m)
int y, x;
getyx(self->window, y, x);
(void) x;
int new_x = ctx->start ? x2 - 1 : ctx->pos;
int new_x = ctx->start ? x2 - 1 : wcswidth(ctx->line, ctx->pos);
wmove(self->window, y + 1, new_x);
wrefresh(self->window);

153
src/input.c
View File

@ -37,99 +37,87 @@ void input_new_char(ToxWindow *self, wint_t key, int x, int y, int mx_x, int mx_
{
ChatContext *ctx = self->chatwin;
if (ctx->len >= MAX_STR_SIZE - 1) {
int cur_len = wcwidth(key);
/* this is the only place we need to do this check */
if (cur_len == -1) {
beep();
return;
}
int cur_len = wcwidth(key);
/* this is the only place we need to do this check */
if (cur_len == -1)
if (add_char_to_buf(ctx, key) == -1) {
beep();
return;
add_char_to_buf(ctx, key);
}
if (x + cur_len >= mx_x) {
int s_len = wcwidth(ctx->line[ctx->start]);
int cdiff = cur_len - s_len;
ctx->start += 1 + MAX(0, cdiff);
wmove(self->window, y, wcswidth(&ctx->line[ctx->start], mx_x));
} else {
wmove(self->window, y, x + cur_len);
ctx->start += 1 + MAX(0, cur_len - s_len);
}
}
/* delete a char via backspace key from input field and buffer */
static void input_backspace(ToxWindow *self, int x, int y, int mx_x, int mx_y)
static void input_backspace(ToxWindow *self, int x, int mx_x)
{
ChatContext *ctx = self->chatwin;
if (ctx->pos <= 0) {
if (del_char_buf_bck(ctx) == -1) {
beep();
return;
}
int cur_len = wcwidth(ctx->line[ctx->pos - 1]);
del_char_buf_bck(ctx);
int s_len = wcwidth(ctx->line[ctx->start - 1]);
int cdiff = s_len - cur_len;
if (ctx->start && (x >= mx_x - cur_len)) {
ctx->start = MAX(0, ctx->start - 1 + cdiff);
wmove(self->window, y, wcswidth(&ctx->line[ctx->start], mx_x));
} else if (ctx->start && (ctx->pos == ctx->len)) {
if (ctx->start && (x >= mx_x - cur_len))
ctx->start = MAX(0, ctx->start - 1 + (s_len - cur_len));
else if (ctx->start && (ctx->pos == ctx->len))
ctx->start = MAX(0, ctx->start - cur_len);
wmove(self->window, y, wcswidth(&ctx->line[ctx->start], mx_x));
} else if (ctx->start) {
else if (ctx->start)
ctx->start = MAX(0, ctx->start - cur_len);
} else {
wmove(self->window, y, x - cur_len);
}
}
/* delete a char via delete key from input field and buffer */
static void input_delete(ToxWindow *self)
{
ChatContext *ctx = self->chatwin;
if (ctx->pos >= ctx->len) {
if (del_char_buf_frnt(self->chatwin) == -1)
beep();
return;
}
del_char_buf_frnt(ctx);
}
/* deletes entire line before cursor from input field and buffer */
static void input_discard(ToxWindow *self, int mx_y)
static void input_discard(ToxWindow *self)
{
ChatContext *ctx = self->chatwin;
if (ctx->pos <= 0) {
if (discard_buf(self->chatwin) == -1)
beep();
return;
}
discard_buf(ctx);
wmove(self->window, mx_y - CURS_Y_OFFSET, 0);
}
/* deletes entire line after cursor from input field and buffer */
static void input_kill(ChatContext *ctx)
{
if (ctx->pos != ctx->len) {
kill_buf(ctx);
return;
}
if (kill_buf(ctx) == -1)
beep();
}
static void input_yank(ToxWindow *self, int x, int mx_x)
{
ChatContext *ctx = self->chatwin;
if (yank_buf(ctx) == -1) {
beep();
return;
}
int yank_cols = MAX(0, wcswidth(ctx->yank, ctx->yank_len));
if (x + yank_cols >= mx_x) {
int rmdr = MAX(0, (x + yank_cols) - mx_x);
int s_len = wcswidth(&ctx->line[ctx->start], rmdr);
ctx->start += s_len + 1;
}
}
/* moves cursor/line position to end of line in input field and buffer */
static void input_mv_end(ToxWindow *self, int x, int y, int mx_x, int mx_y)
static void input_mv_end(ToxWindow *self, int y, int mx_x)
{
ChatContext *ctx = self->chatwin;
@ -137,90 +125,67 @@ static void input_mv_end(ToxWindow *self, int x, int y, int mx_x, int mx_y)
int wlen = wcswidth(ctx->line, sizeof(ctx->line));
ctx->start = MAX(0, 1 + (mx_x * (wlen / mx_x) - mx_x) + (wlen % mx_x));
int llen = wcswidth(&ctx->line[ctx->start], mx_x);
int new_x = wlen >= mx_x ? mx_x - 1 : llen;
wmove(self->window, y, new_x);
}
/* moves cursor/line position to start of line in input field and buffer */
static void input_mv_home(ToxWindow *self, int mx_y)
static void input_mv_home(ToxWindow *self)
{
ChatContext *ctx = self->chatwin;
if (ctx->pos <= 0) {
beep();
if (ctx->pos <= 0)
return;
}
ctx->pos = 0;
ctx->start = 0;
wmove(self->window, mx_y - CURS_Y_OFFSET, 0);
}
/* moves cursor/line position left in input field and buffer */
static void input_mv_left(ToxWindow *self, int x, int y, int mx_x, int mx_y)
static void input_mv_left(ToxWindow *self, int x, int mx_x)
{
ChatContext *ctx = self->chatwin;
if (ctx->pos <= 0) {
beep();
if (ctx->pos <= 0)
return;
}
int cur_len = wcwidth(ctx->line[ctx->pos - 1]);
--ctx->pos;
int s_len = wcwidth(ctx->line[ctx->start - 1]);
int cdiff = s_len - cur_len;
if (ctx->start && (x >= mx_x - cur_len)) {
ctx->start = MAX(0, ctx->start - 1 + cdiff);
wmove(self->window, y, wcswidth(&ctx->line[ctx->start], mx_x));
} else if (ctx->start && (ctx->pos == ctx->len)) {
if (ctx->start && (x >= mx_x - cur_len))
ctx->start = MAX(0, ctx->start - 1 + (s_len - cur_len));
else if (ctx->start && (ctx->pos == ctx->len))
ctx->start = MAX(0, ctx->start - cur_len);
wmove(self->window, y, wcswidth(&ctx->line[ctx->start], mx_x));
} else if (ctx->start) {
else if (ctx->start)
ctx->start = MAX(0, ctx->start - cur_len);
} else {
wmove(self->window, y, x - cur_len);
}
}
/* moves cursor/line position right in input field and buffer */
static void input_mv_right(ToxWindow *self, int x, int y, int mx_x, int mx_y)
static void input_mv_right(ToxWindow *self, int x, int mx_x)
{
ChatContext *ctx = self->chatwin;
if (ctx->pos >= ctx->len) {
beep();
if (ctx->pos >= ctx->len)
return;
}
++ctx->pos;
int cur_len = MAX(1, wcwidth(ctx->line[ctx->pos - 1]));
int cur_len = wcwidth(ctx->line[ctx->pos - 1]);
if (x + cur_len >= mx_x) {
int s_len = wcwidth(ctx->line[ctx->start]);
int cdiff = cur_len - s_len;
ctx->start += 1 + MAX(0, cdiff);
wmove(self->window, y, wcswidth(&ctx->line[ctx->start], mx_x));
} else {
wmove(self->window, y, x + cur_len);
ctx->start += 1 + MAX(0, cur_len - s_len);
}
}
/* puts a line history item in input field and buffer */
static void input_history(ToxWindow *self, wint_t key, int x, int y, int mx_x, int mx_y)
static void input_history(ToxWindow *self, wint_t key, int mx_x)
{
ChatContext *ctx = self->chatwin;
fetch_hist_item(ctx, key);
ctx->start = mx_x * (ctx->len / mx_x);
input_mv_end(self, x, y, mx_x, mx_y);
}
/* Handles non-printable input keys that behave the same for all types of chat windows.
@ -232,7 +197,7 @@ bool input_handle(ToxWindow *self, wint_t key, int x, int y, int mx_x, int mx_y)
switch (key) {
case 0x7f:
case KEY_BACKSPACE:
input_backspace(self, x, y, mx_x, mx_y);
input_backspace(self, x, mx_x);
break;
case KEY_DC:
@ -240,34 +205,38 @@ bool input_handle(ToxWindow *self, wint_t key, int x, int y, int mx_x, int mx_y)
break;
case T_KEY_DISCARD:
input_discard(self, mx_y);
input_discard(self);
break;
case T_KEY_KILL:
input_kill(self->chatwin);
break;
case T_KEY_C_Y:
input_yank(self, x, mx_x);
break;
case KEY_HOME:
case T_KEY_C_A:
input_mv_home(self, mx_y);
input_mv_home(self);
break;
case KEY_END:
case T_KEY_C_E:
input_mv_end(self, x, y, mx_x, mx_y);
input_mv_end(self, y, mx_x);
break;
case KEY_LEFT:
input_mv_left(self, x, y, mx_x, mx_y);
input_mv_left(self, x, mx_x);
break;
case KEY_RIGHT:
input_mv_right(self, x, y, mx_x, mx_y);
input_mv_right(self, x, mx_x);
break;
case KEY_UP:
case KEY_DOWN:
input_history(self, key, x, y, mx_x, mx_y);
input_history(self, key, mx_x);
break;
default:

6
src/prompt.c
View File

@ -20,6 +20,10 @@
*
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE /* needed for wcswidth() */
#endif
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
@ -275,7 +279,7 @@ static void prompt_onDraw(ToxWindow *self, Tox *m)
getyx(self->window, y, x);
(void) x;
int new_x = ctx->start ? x2 - 1 : ctx->pos;
int new_x = ctx->start ? x2 - 1 : wcswidth(ctx->line, ctx->pos);
wmove(self->window, y + 1, new_x);
wrefresh(self->window);

1
src/toxic.h
View File

@ -62,6 +62,7 @@
#define T_KEY_C_V 0x16 /* ctrl-v */
#define T_KEY_C_F 0x06 /* ctrl-f */
#define T_KEY_C_H 0x08 /* ctrl-h */
#define T_KEY_C_Y 0x19 /* ctrl-y */
typedef enum _FATAL_ERRS {
FATALERR_MEMORY = -1, /* malloc() or calloc() failed */

75
src/toxic_strings.c
View File

@ -29,59 +29,98 @@
#include "misc_tools.h"
#include "toxic_strings.h"
/* Adds char to line at pos */
void add_char_to_buf(ChatContext *ctx, wint_t ch)
/* Adds char to line at pos. Return 0 on success, -1 if line buffer is full */
int add_char_to_buf(ChatContext *ctx, wint_t ch)
{
if (ctx->len >= MAX_STR_SIZE)
return;
if (ctx->len >= MAX_STR_SIZE - 1)
return -1;
wmemmove(&ctx->line[ctx->pos + 1], &ctx->line[ctx->pos], ctx->len - ctx->pos);
ctx->line[ctx->pos++] = ch;
ctx->line[++ctx->len] = L'\0';
return 0;
}
/* Deletes the character before pos */
void del_char_buf_bck(ChatContext *ctx)
/* Deletes the character before pos. Return 0 on success, -1 if nothing to delete */
int del_char_buf_bck(ChatContext *ctx)
{
if (ctx->pos == 0)
return;
if (ctx->pos <= 0)
return -1;
wmemmove(&ctx->line[ctx->pos - 1], &ctx->line[ctx->pos], ctx->len - ctx->pos);
--ctx->pos;
ctx->line[--ctx->len] = L'\0';
return 0;
}
/* Deletes the character at pos */
void del_char_buf_frnt(ChatContext *ctx)
/* Deletes the character at pos. Return 0 on success, -1 if nothing to delete. */
int del_char_buf_frnt(ChatContext *ctx)
{
if (ctx->pos >= ctx->len)
return;
return -1;
wmemmove(&ctx->line[ctx->pos], &ctx->line[ctx->pos + 1], ctx->len - ctx->pos - 1);
ctx->line[--ctx->len] = L'\0';
return 0;
}
/* Deletes the line from beginning to pos */
void discard_buf(ChatContext *ctx)
/* Deletes the line from beginning to pos and puts discarded portion in yank buffer.
Return 0 on success, -1 if noting to discard. */
int discard_buf(ChatContext *ctx)
{
if (ctx->pos <= 0)
return;
return -1;
ctx->yank_len = ctx->pos;
wmemcpy(ctx->yank, ctx->line, ctx->yank_len);
ctx->yank[ctx->yank_len] = L'\0';
wmemmove(ctx->line, &ctx->line[ctx->pos], ctx->len - ctx->pos);
ctx->len -= ctx->pos;
ctx->pos = 0;
ctx->start = 0;
ctx->line[ctx->len] = L'\0';
return 0;
}
/* Deletes the line from pos to len */
void kill_buf(ChatContext *ctx)
/* Deletes the line from pos to len and puts killed portion in yank buffer.
Return 0 on success, -1 if nothing to kill. */
int kill_buf(ChatContext *ctx)
{
if (ctx->len == ctx->pos)
return;
if (ctx->len <= ctx->pos)
return -1;
ctx->yank_len = ctx->len - ctx->pos;
wmemcpy(ctx->yank, &ctx->line[ctx->pos], ctx->yank_len);
ctx->yank[ctx->yank_len] = L'\0';
ctx->line[ctx->pos] = L'\0';
ctx->len = ctx->pos;
return 0;
}
/* Inserts string in ctx->yank into line at pos.
Return 0 on success, -1 if yank buffer is empty or too long */
int yank_buf(ChatContext *ctx)
{
if (!ctx->yank[0])
return -1;
if (ctx->yank_len + ctx->len >= MAX_STR_SIZE - 1)
return -1;
wmemmove(&ctx->line[ctx->pos + ctx->yank_len], &ctx->line[ctx->pos], ctx->len - ctx->pos);
wmemcpy(&ctx->line[ctx->pos], ctx->yank, ctx->yank_len);
ctx->pos += ctx->yank_len;
ctx->len += ctx->yank_len;
ctx->line[ctx->len] = L'\0';
return 0;
}
/* nulls line and sets pos, len and start to 0 */

26
src/toxic_strings.h
View File

@ -25,24 +25,30 @@
#include "windows.h"
/* Adds char to line at pos */
void add_char_to_buf(ChatContext *ctx, wint_t ch);
/* Adds char to line at pos. Return 0 on success, -1 if line buffer is full */
int add_char_to_buf(ChatContext *ctx, wint_t ch);
/* Deletes the character before pos */
void del_char_buf_bck(ChatContext *ctx);
/* Deletes the character before pos. Return 0 on success, -1 if nothing to delete */
int del_char_buf_bck(ChatContext *ctx);
/* Deletes the character at pos */
void del_char_buf_frnt(ChatContext *ctx);
/* Deletes the character at pos. Return 0 on success, -1 if nothing to delete. */
int del_char_buf_frnt(ChatContext *ctx);
/* Deletes the line from beginning to pos */
void discard_buf(ChatContext *ctx);
/* Deletes the line from beginning to pos and puts discarded portion in yank buffer.
Return 0 on success, -1 if noting to discard */
int discard_buf(ChatContext *ctx);
/* Deletes the line from pos to len */
void kill_buf(ChatContext *ctx);
/* Deletes the line from pos to len and puts killed portion in yank buffer.
Return 0 on success, -1 if nothing to kill. */
int kill_buf(ChatContext *ctx);
/* nulls line and sets pos, len and start to 0 */
void reset_buf(ChatContext *ctx);
/* Inserts string in ctx->yank into line at pos.
Return 0 on success, -1 if yank buffer is empty or too long */
int yank_buf(ChatContext *ctx);
/* Removes trailing spaces from line. */
void rm_trailing_spaces_buf(ChatContext *ctx);

3
src/windows.h
View File

@ -183,6 +183,9 @@ struct ChatContext {
int hst_pos;
int hst_tot;
wchar_t yank[MAX_STR_SIZE]; /* contains last killed/discarded line */
int yank_len;
struct history *hst;
struct chatlog *log;