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fix prompt bug, improve comments, and give prompt its own window struct

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This commit is contained in:
Jfreegman 2013-12-04 22:33:04 -05:00
parent a57f94306a
commit 3740cb6763
2 changed files with 62 additions and 34 deletions
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81
src/prompt.c
View File

@ -72,7 +72,7 @@ static int add_friend_request(uint8_t *public_key)
static void prompt_onKey(ToxWindow *self, Tox *m, wint_t key)
{
ChatContext *ctx = self->chatwin;
PromptBuf *prt = self->promptbuf;
int x, y, y2, x2;
getyx(self->window, y, x);
@ -80,34 +80,37 @@ static void prompt_onKey(ToxWindow *self, Tox *m, wint_t key)
/* BACKSPACE key: Remove one character from line */
if (key == 0x107 || key == 0x8 || key == 0x7f) {
if (ctx->pos > 0)
del_char_buf_bck(ctx->line, &ctx->pos, &ctx->len);
if (prt->pos > 0)
del_char_buf_bck(prt->line, &prt->pos, &prt->len);
wmove(self->window, y, x-1); /* not necessary but fixes a display glitch */
prt->scroll = false;
}
else if (key == KEY_DC) { /* DEL key: Remove character at pos */
if (ctx->pos != ctx->len)
del_char_buf_frnt(ctx->line, &ctx->pos, &ctx->len);
if (prt->pos != prt->len) {
del_char_buf_frnt(prt->line, &prt->pos, &prt->len);
prt->scroll = false;
}
}
else if (key == KEY_HOME) { /* HOME key: Move cursor to beginning of line */
if (ctx->pos != 0)
ctx->pos = 0;
if (prt->pos != 0)
prt->pos = 0;
}
else if (key == KEY_END) { /* END key: move cursor to end of line */
if (ctx->pos != ctx->len)
ctx->pos = ctx->len;
if (prt->pos != prt->len)
prt->pos = prt->len;
}
else if (key == KEY_LEFT) {
if (ctx->pos > 0)
--ctx->pos;
if (prt->pos > 0)
--prt->pos;
}
else if (key == KEY_RIGHT) {
if (ctx->pos < ctx->len)
++ctx->pos;
if (prt->pos < prt->len)
++prt->pos;
} else
#if HAVE_WIDECHAR
if (iswprint(key))
@ -115,42 +118,54 @@ static void prompt_onKey(ToxWindow *self, Tox *m, wint_t key)
if (isprint(key))
#endif
{
if (ctx->len < (MAX_STR_SIZE-1))
add_char_to_buf(ctx->line, &ctx->pos, &ctx->len, key);
if (prt->len < (MAX_STR_SIZE-1)) {
add_char_to_buf(prt->line, &prt->pos, &prt->len, key);
prt->scroll = true;
}
}
/* RETURN key: execute command */
else if (key == '\n') {
wprintw(self->window, "\n");
uint8_t *line = wcs_to_char(ctx->line);
uint8_t *line = wcs_to_char(prt->line);
execute(self->window, self, m, line, GLOBAL_COMMAND_MODE);
reset_buf(ctx->line, &ctx->pos, &ctx->len);
reset_buf(prt->line, &prt->pos, &prt->len);
}
}
static void prompt_onDraw(ToxWindow *self, Tox *m)
{
ChatContext *ctx = self->chatwin;
PromptBuf *prt = self->promptbuf;
curs_set(1);
int x, y, x2, y2;
getyx(self->window, y, x);
getmaxyx(self->window, y2, x2);
int px2 = ctx->len >= x2 ? x2 : x2 - X_OFST; /* max x to account for prompt char */
int p_ofst = px2 != x2 ? 0 : X_OFST; /* line pos offset to account for prompt char */
wclrtobot(self->window);
/* Mark point of origin for new line */
if (ctx->len > 0) {
mvwprintw(self->window, ctx->orig_y, X_OFST, wcs_to_char(ctx->line));
/* if len is >= screen width offset max x by X_OFST to account for prompt char */
int px2 = prt->len >= x2 ? x2 : x2 - X_OFST;
if (px2 <= 0)
return;
/* len offset to account for prompt char (0 if len is < width of screen) */
int p_ofst = px2 != x2 ? 0 : X_OFST;
if (prt->len > 0) {
mvwprintw(self->window, prt->orig_y, X_OFST, wcs_to_char(prt->line));
/* y distance between pos and len */
int d = prt->pos < (prt->len - px2) ? (y2 - y - 1) : 0;
/* move point of line origin up when input scrolls screen down */
if (y == y2-1 && (ctx->len + p_ofst) % px2 == 0)
--ctx->orig_y;
if ( (prt->scroll) && (y + d == y2-1) && ((prt->len + p_ofst) % px2 == 0) ) {
--prt->orig_y;
prt->scroll = false;
}
} else {
ctx->orig_y = y;
prt->orig_y = y; /* Mark point of origin for new line */
wattron(self->window, COLOR_PAIR(GREEN));
mvwprintw(self->window, y, 0, "# ");
wattroff(self->window, COLOR_PAIR(GREEN));
@ -198,8 +213,8 @@ static void prompt_onDraw(ToxWindow *self, Tox *m)
wattroff(statusbar->topline, A_BOLD);
/* put cursor back in correct spot */
int y_m = ctx->pos <= 0 ? ctx->orig_y : ctx->orig_y + ((ctx->pos + p_ofst) / px2);
int x_m = ctx->pos > 0 ? (ctx->pos + X_OFST) % x2 : X_OFST;
int y_m = prt->pos <= 0 ? prt->orig_y : prt->orig_y + ((prt->pos + p_ofst) / px2);
int x_m = prt->pos > 0 ? (prt->pos + X_OFST) % x2 : X_OFST;
wmove(self->window, y_m, x_m);
}
@ -297,11 +312,11 @@ ToxWindow new_prompt(void)
strcpy(ret.name, "prompt");
ChatContext *chatwin = calloc(1, sizeof(ChatContext));
PromptBuf *promptbuf = calloc(1, sizeof(PromptBuf));
StatusBar *stb = calloc(1, sizeof(StatusBar));
if (stb != NULL && chatwin != NULL) {
ret.chatwin = chatwin;
if (stb != NULL && promptbuf != NULL) {
ret.promptbuf = promptbuf;
ret.stb = stb;
} else {
endwin();

15
src/toxic_windows.h
View File

@ -52,6 +52,7 @@ enum {
typedef struct ToxWindow ToxWindow;
typedef struct StatusBar StatusBar;
typedef struct PromptBuf PromptBuf;
typedef struct ChatContext ChatContext;
struct ToxWindow {
@ -81,11 +82,13 @@ struct ToxWindow {
int x;
ChatContext *chatwin;
PromptBuf *promptbuf;
StatusBar *stb;
WINDOW *window;
};
/* statusbar info holder */
struct StatusBar {
WINDOW *topline;
uint8_t statusmsg[TOX_MAX_STATUSMESSAGE_LENGTH];
@ -96,16 +99,26 @@ struct StatusBar {
bool is_online;
};
/* chat and groupchat window/buffer holder */
struct ChatContext {
wchar_t line[MAX_STR_SIZE];
size_t pos;
size_t len;
int orig_y;
WINDOW *history;
WINDOW *linewin;
WINDOW *sidebar;
};
/* prompt window/buffer holder */
struct PromptBuf {
wchar_t line[MAX_STR_SIZE];
size_t pos;
size_t len;
int orig_y;
bool scroll; /* used for prompt window hack to determine when to scroll down */
WINDOW *linewin;
};
/* Start file transfer code */
#define MAX_FILES 256