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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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19
src/friendlist.c
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@ -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)
{
curs_set(0);
werase(self->window);
int x, y;
getmaxyx(self->window, y, x);
int x2, y2;
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) {
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);
}
/* 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;
for (i = 0; i < num_friends && i < y-3; ++i) {
for (i = start; i < num_friends && i < end; ++i) {
int f = friendlist_index[i];
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 */
uint16_t maxlen = x - getcurx(self->window) - 4;
uint16_t maxlen = x2 - getcurx(self->window) - 4;
if (friends[f].statusmsg_len > maxlen) {
friends[f].statusmsg[maxlen-3] = '\0';
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);
}