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libraries/lvgl/examples/layouts/grid/lv_example_grid_3.py

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+#
+# Demonstrate grid's "free unit"
+#
+
+# Column 1: fix width 60 px
+# Column 2: 1 unit from the remaining free space
+# Column 3: 2 unit from the remaining free space
+
+col_dsc = [60, lv.grid_fr(1), lv.grid_fr(2), lv.GRID_TEMPLATE.LAST]
+
+# Row 1: fix width 60 px
+# Row 2: 1 unit from the remaining free space
+# Row 3: fix width 60 px
+
+row_dsc = [40, lv.grid_fr(1), 40, lv.GRID_TEMPLATE.LAST]
+
+# Create a container with grid
+cont = lv.obj(lv.scr_act())
+cont.set_size(300, 220)
+cont.center()
+cont.set_grid_dsc_array(col_dsc, row_dsc)
+
+for i in range(9):
+    col = i % 3
+    row = i // 3
+
+    obj = lv.obj(cont)
+    # Stretch the cell horizontally and vertically too
+    # Set span to 1 to make the cell 1 column/row sized
+    obj.set_grid_cell(lv.GRID_ALIGN.STRETCH, col, 1,
+                      lv.GRID_ALIGN.STRETCH, row, 1)
+
+    label = lv.label(obj)
+    label.set_text("%d,%d"%(col, row))
+    label.center()
+