forked from enlightenment/terminology
parent
9511fe6f01
commit
8208428e89
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@ -469,6 +469,93 @@ termpty_write(Termpty *ty, const char *input, int len)
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if (write(ty->fd, input, len) < 0) ERR("write %s", strerror(errno));
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}
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static void
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_termpty_horizontally_expand(Termpty *ty, int old_w, int old_h,
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Termcell *old_screen, Termcell *old_screen2)
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{
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int old_y,
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old_x,
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old_circular_offset = ty->circular_offset,
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x = 0,
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y = 0;
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Eina_Bool rewrapping = EINA_FALSE;
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if (ty->altbuf)
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return;
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ty->circular_offset = 0;
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/* TODO:
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* backscroll
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* change of height (handle later?)
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* double-width :)
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* remove empty lines created because of reflowing
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*/
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#define OLD_SCREEN(_X, _Y) \
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old_screen[_X + (((_Y + old_circular_offset) % old_h) * old_w)]
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for (old_y = 0; old_y < old_h; old_y++)
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{
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if (rewrapping)
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{
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int remaining_width = ty->w - x,
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len = old_w;
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old_x = 0;
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if (old_w >= remaining_width)
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{
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/* TODO: use termpty_cell_copy */
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memcpy(ty->screen + (y * ty->w) + x,
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&OLD_SCREEN(0, old_y),
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remaining_width * sizeof(Termcell));
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TERMPTY_SCREEN(ty, ty->w - 1, y).att.autowrapped = 1;
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y++;
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x = 0;
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old_x = remaining_width;
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len -= remaining_width;
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}
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if (len)
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{
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/* TODO: use termpty_cell_copy */
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memcpy(ty->screen + (y * ty->w) + x,
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&OLD_SCREEN(old_x, old_y),
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len * sizeof(Termcell));
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x += len;
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TERMPTY_SCREEN(ty, x - 1, y).att.autowrapped = 0;
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}
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rewrapping = OLD_SCREEN(old_w - 1, old_y).att.autowrapped;
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if (!rewrapping)
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y++;
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}
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else
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{
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/* TODO: use termpty_cell_copy */
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memcpy(ty->screen + (y * ty->w),
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&OLD_SCREEN(0, old_y),
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old_w * sizeof(Termcell));
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if (OLD_SCREEN(old_w - 1, old_y).att.autowrapped)
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{
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rewrapping = EINA_TRUE;
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TERMPTY_SCREEN(ty, old_w - 1, old_y).att.autowrapped = 0;
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x = old_w;
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}
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else
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{
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y++;
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}
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}
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}
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#undef OLD_SCREEN
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}
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static void
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_termpty_horizontally_shrink(Termpty *ty, int oldw, int oldh,
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Termcell *oldscreen, Termcell *oldscreen2)
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{
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/* TODO */
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}
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void
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termpty_resize(Termpty *ty, int w, int h)
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{
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@ -503,6 +590,20 @@ termpty_resize(Termpty *ty, int w, int h)
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ww = ty->w;
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hh = ty->h;
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if (oldh == ty->h && oldw != ty->w)
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{
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if (ty->w > oldw)
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{
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_termpty_horizontally_expand(ty, oldw, oldh, olds, olds2);
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return;
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}
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else
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{
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_termpty_horizontally_shrink(ty, oldw, oldh, olds, olds2);
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}
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}
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if (ww > oldw) ww = oldw;
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if (hh > oldh) hh = oldh;
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