src/ui/grid.h

   1 #ifndef GRID_H_
   2 #define GRID_H_
   3
   4 #include <assert.h>
   5
   6 #include "system/nth_alloc.h"
   7 #include "math/rect.h"
   8
   9 typedef struct {
  10     Rect boundary;
  11 } Widget;
  12
  13 typedef struct {
  14     size_t rows;
  15     size_t columns;
  16     Widget *cells[];
  17 } Grid;
  18
  19 static inline
  20 void grid_put_widget(Grid *grid, Widget *widget,
  21                      size_t row, size_t column)
  22 {
  23     assert(grid);
  24     assert(widget);
  25     assert(row < grid->rows);
  26     assert(column < grid->columns);
  27     grid->cells[row * grid->columns + column] = widget;
  28 }
  29
  30 void grid_relayout(Grid *grid, Rect boundary);
  31
  32 #endif  // GRID_H_