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allow friendlist to scroll up and down if friends overflow the window

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This commit is contained in:
Jfreegman 2013-12-02 18:23:04 -05:00
parent 81c48f7b2b
commit 7a89229375
5 changed files with 19 additions and 12 deletions
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2
src/chat.c
View File

@ -335,7 +335,7 @@ static void chat_onKey(ToxWindow *self, Tox *m, wint_t key)
#endif #endif
{ /* prevents buffer overflows and strange behaviour when cursor goes past the window */ { /* prevents buffer overflows and strange behaviour when cursor goes past the window */
if ( (ctx->len < MAX_STR_SIZE-1) && (ctx->len < (x2 * (CHATBOX_HEIGHT - 1)-1)) ) { if ( (ctx->len < MAX_STR_SIZE-1) && (ctx->len < (x2 * (CHATBOX_HEIGHT - 1)-1)) ) {
add_char_to_buf(key, ctx->line, &ctx->pos, &ctx->len); add_char_to_buf(ctx->line, &ctx->pos, &ctx->len, key);
if (x == x2-1) if (x == x2-1)
wmove(self->window, y+1, 0); wmove(self->window, y+1, 0);

19
src/friendlist.c
View File

@ -256,14 +256,16 @@ static void friendlist_onKey(ToxWindow *self, Tox *m, wint_t key)
} }
} }
#define FLIST_OFST 3 /* Accounts for the three lines of text at top */
static void friendlist_onDraw(ToxWindow *self, Tox *m) static void friendlist_onDraw(ToxWindow *self, Tox *m)
{ {
curs_set(0); curs_set(0);
werase(self->window); werase(self->window);
int x, y; int x2, y2;
getmaxyx(self->window, y, x); getmaxyx(self->window, y2, x2);
bool fix_statuses = x != self->x; /* true if window x axis has changed */ bool fix_statuses = x2 != self->x; /* true if window x axis has changed */
if (num_friends == 0) { if (num_friends == 0) {
wprintw(self->window, "Empty. Add some friends! :-)\n"); wprintw(self->window, "Empty. Add some friends! :-)\n");
@ -274,9 +276,14 @@ static void friendlist_onDraw(ToxWindow *self, Tox *m)
wattroff(self->window, COLOR_PAIR(CYAN) | A_BOLD); wattroff(self->window, COLOR_PAIR(CYAN) | A_BOLD);
} }
/* Determine which portion of friendlist to draw based on current position */
int page = num_selected / (y2 - FLIST_OFST);
int start = (y2 - FLIST_OFST) * page;
int end = y2 - FLIST_OFST + start;
int i; int i;
for (i = 0; i < num_friends && i < y-3; ++i) { for (i = start; i < num_friends && i < end; ++i) {
int f = friendlist_index[i]; int f = friendlist_index[i];
bool f_selected = false; bool f_selected = false;
@ -329,7 +336,7 @@ static void friendlist_onDraw(ToxWindow *self, Tox *m)
} }
/* Truncate note if it doesn't fit on one line */ /* Truncate note if it doesn't fit on one line */
uint16_t maxlen = x - getcurx(self->window) - 4; uint16_t maxlen = x2 - getcurx(self->window) - 4;
if (friends[f].statusmsg_len > maxlen) { if (friends[f].statusmsg_len > maxlen) {
friends[f].statusmsg[maxlen-3] = '\0'; friends[f].statusmsg[maxlen-3] = '\0';
strcat(friends[f].statusmsg, "..."); strcat(friends[f].statusmsg, "...");
@ -352,7 +359,7 @@ static void friendlist_onDraw(ToxWindow *self, Tox *m)
} }
} }
self->x = x; self->x = x2;
wrefresh(self->window); wrefresh(self->window);
} }

2
src/groupchat.c
View File

@ -275,7 +275,7 @@ static void groupchat_onKey(ToxWindow *self, Tox *m, wint_t key)
#endif #endif
{ /* prevents buffer overflows and strange behaviour when cursor goes past the window */ { /* prevents buffer overflows and strange behaviour when cursor goes past the window */
if ( (ctx->len < MAX_STR_SIZE-1) && (ctx->len < (x2 * (CHATBOX_HEIGHT - 1)-1)) ) { if ( (ctx->len < MAX_STR_SIZE-1) && (ctx->len < (x2 * (CHATBOX_HEIGHT - 1)-1)) ) {
add_char_to_buf(key, ctx->line, &ctx->pos, &ctx->len); add_char_to_buf(ctx->line, &ctx->pos, &ctx->len, key);
if (x == x2-1) if (x == x2-1)
wmove(self->window, y+1, 0); wmove(self->window, y+1, 0);

4
src/misc_tools.c
View File

@ -166,7 +166,7 @@ bool valid_nick(uint8_t *nick)
*/ */
/* Adds char to buffer at pos */ /* Adds char to buffer at pos */
void add_char_to_buf(wint_t ch, wchar_t *buf, size_t *pos, size_t *len) void add_char_to_buf(wchar_t *buf, size_t *pos, size_t *len, wint_t ch)
{ {
if (*pos < 0 || *len >= MAX_STR_SIZE) if (*pos < 0 || *len >= MAX_STR_SIZE)
return; return;
@ -197,7 +197,7 @@ void del_char_buf_bck(wchar_t *buf, size_t *pos, size_t *len)
--(*len); --(*len);
} }
/* Deletes the character at pos */ /* Deletes the character after pos */
void del_char_buf_frnt(wchar_t *buf, size_t *pos, size_t *len) void del_char_buf_frnt(wchar_t *buf, size_t *pos, size_t *len)
{ {
if (*pos < 0 || *pos >= *len) if (*pos < 0 || *pos >= *len)

4
src/misc_tools.h
View File

@ -42,12 +42,12 @@ bool valid_nick(uint8_t *nick);
*/ */
/* Adds char to buffer at pos */ /* Adds char to buffer at pos */
void add_char_to_buf(wint_t ch, wchar_t *buf, size_t *pos, size_t *len); void add_char_to_buf(wchar_t *buf, size_t *pos, size_t *len, wint_t ch);
/* Deletes the character before pos */ /* Deletes the character before pos */
void del_char_buf_bck(wchar_t *buf, size_t *pos, size_t *len); void del_char_buf_bck(wchar_t *buf, size_t *pos, size_t *len);
/* Deletes the character at pos */ /* Deletes the character after pos */
void del_char_buf_frnt(wchar_t *buf, size_t *pos, size_t *len); void del_char_buf_frnt(wchar_t *buf, size_t *pos, size_t *len);
/* nulls buf and sets pos and len to 0 */ /* nulls buf and sets pos and len to 0 */