display

Layout and Rendering TUI library

git clone git://git.dimitrijedobrota.com/display.git

window_pivot.cpp (1189B)

1 #include "display/window_pivot.hpp" 2 3 #include "display/utility.hpp" 4 5 namespace display 6 { 7 8 plc_t WindowPivot::place(plc_t aplc, piv_t piv, dim_t dim) 9 { 10 const auto [awth, ahth] = aplc.dim; 11 const auto [wth, hgt] = dim; 12 13 dim_t start(0, 0); 14 dim_t end(0, 0); 15 16 using display::add_lim, display::sub_lim; 17 18 switch (piv.x) { 19 case PvtX::Left: 20 start.width = wth_t(0); 21 end.width = add_lim(start.width, wth, awth); 22 break; 23 case PvtX::Center: 24 start.width = sub_lim((awth / 2), (wth / 2), wth_t(0)); 25 end.width = add_lim(start.width, wth, awth); 26 break; 27 case PvtX::Right: 28 end.width = awth; 29 start.width = sub_lim(end.width, wth, wth_t(0)); 30 break; 31 } 32 33 switch (piv.y) { 34 case PvtY::Top: 35 start.height = hgt_t(0); 36 end.height = add_lim(start.height, hgt, ahth); 37 break; 38 case PvtY::Center: 39 start.height = sub_lim((ahth / 2), (hgt / 2), hgt_t(0)); 40 end.height = add_lim(start.height, hgt, ahth); 41 break; 42 case PvtY::Bottom: 43 end.height = ahth; 44 start.height = sub_lim(end.height, hgt, hgt_t(0)); 45 break; 46 } 47 48 return {aplc.pos + start, end - start}; 49 } 50 51 } // namespace display