first commit

libraries/lvgl/examples/layouts/grid/lv_example_grid_5.py

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+def row_gap_anim(obj, v):
+    obj.set_style_pad_row(v, 0)
+
+def column_gap_anim(obj, v):
+    obj.set_style_pad_column(v, 0)
+
+#
+# Demonstrate column and row gap
+#
+
+# 60x60 cells
+col_dsc = [60, 60, 60, lv.GRID_TEMPLATE.LAST]
+row_dsc = [40, 40, 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)
+    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}".format(col, row))
+    label.center()
+
+    a_row = lv.anim_t()
+    a_row.init()
+    a_row.set_var(cont)
+    a_row.set_values(0, 10)
+    a_row.set_repeat_count(lv.ANIM_REPEAT.INFINITE)
+    a_row.set_time(500)
+    a_row.set_playback_time(500)
+    a_row. set_custom_exec_cb(lambda a,val: row_gap_anim(cont,val))
+    lv.anim_t.start(a_row)
+
+    a_col = lv.anim_t()
+    a_col.init()
+    a_col.set_var(cont)
+    a_col.set_values(0, 10)
+    a_col.set_repeat_count(lv.ANIM_REPEAT.INFINITE)
+    a_col.set_time(500)
+    a_col.set_playback_time(500)
+    a_col. set_custom_exec_cb(lambda a,val: column_gap_anim(cont,val))
+    lv.anim_t.start(a_col)
+
+