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adding micropython examples (#2286)

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* adding micropython examples

* adding micropython examples
This commit is contained in:
Uli Raich
2021-06-07 13:56:08 +02:00
committed by GitHub
parent ac8f4534a5
commit c60ed68e94
114 changed files with 4136 additions and 657 deletions
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29
examples/layouts/grid/lv_example_grid_1.py Normal file
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#
# A simple grid
#
col_dsc = [70, 70, 70, lv.COORD.MAX]
row_dsc = [50, 50, 50, lv.COORD.MAX]
# Create a container with grid
cont = lv.obj(lv.scr_act())
cont.set_style_grid_column_dsc_array(col_dsc, 0)
cont.set_style_grid_row_dsc_array(row_dsc, 0)
cont.set_size(300, 220)
cont.center()
cont.set_layout(lv.LAYOUT_GRID.value)
for i in range(9):
col = i % 3
row = i // 3
obj = lv.btn(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("c" +str(col) + "r" +str(row))
label.center()

53
examples/layouts/grid/lv_example_grid_2.py Normal file
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#
# Demonstrate cell placement and span
#
col_dsc = [70, 70, 70, lv.GRID_TEMPLATE.LAST]
row_dsc = [50, 50, 50, lv.GRID_TEMPLATE.LAST]
# Create a container with grid
cont = lv.obj(lv.scr_act())
cont.set_grid_dsc_array(col_dsc, row_dsc)
cont.set_size(300, 220)
cont.center()
# Cell to 0;0 and align to to the start (left/top) horizontally and vertically too
obj = lv.obj(cont)
obj.set_size(lv.SIZE.CONTENT, lv.SIZE.CONTENT)
obj.set_grid_cell(lv.GRID_ALIGN.START, 0, 1,
lv.GRID_ALIGN.START, 0, 1)
label = lv.label(obj);
label.set_text("c0, r0")
# Cell to 1;0 and align to to the start (left) horizontally and center vertically too
obj = lv.obj(cont)
obj.set_size(lv.SIZE.CONTENT, lv.SIZE.CONTENT)
obj.set_grid_cell(lv.GRID_ALIGN.START, 1, 1,
lv.GRID_ALIGN.CENTER, 0, 1)
label = lv.label(obj)
label.set_text("c1, r0")
# Cell to 2;0 and align to to the start (left) horizontally and end (bottom) vertically too
obj = lv.obj(cont)
obj.set_size(lv.SIZE.CONTENT, lv.SIZE.CONTENT)
obj.set_grid_cell(lv.GRID_ALIGN.START, 2, 1,
lv.GRID_ALIGN.END, 0, 1)
label = lv.label(obj)
label.set_text("c2, r0");
# Cell to 1;1 but 2 column wide (span = 2).Set width and height to stretched.
obj = lv.obj(cont)
obj.set_size(lv.SIZE.CONTENT, lv.SIZE.CONTENT)
obj.set_grid_cell(lv.GRID_ALIGN.STRETCH, 1, 2,
lv.GRID_ALIGN.STRETCH, 1, 1)
label = lv.label(obj)
label.set_text("c1-2, r1")
# Cell to 0;1 but 2 rows tall (span = 2).Set width and height to stretched.
obj = lv.obj(cont)
obj.set_size(lv.SIZE.CONTENT, lv.SIZE.CONTENT)
obj.set_grid_cell(lv.GRID_ALIGN.STRETCH, 0, 1,
lv.GRID_ALIGN.STRETCH, 1, 2)
label = lv.label(obj)
label.set_text("c0\nr1-2")

38
examples/layouts/grid/lv_example_grid_3.py Normal file
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def LV_GRID_FR(x):
return lv.COORD.MAX - 100 + x
#
# 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.COORD.MAX]
# 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.COORD.MAX]
# 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()

32
examples/layouts/grid/lv_example_grid_4.py Normal file
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#
# Demonstrate track placement
#
col_dsc = [60, 60, 60, lv.GRID_TEMPLATE.LAST]
row_dsc = [40, 40, 40, lv.GRID_TEMPLATE.LAST]
# Add space between the columns and move the rows to the bottom (end)
# Create a container with grid
cont = lv.obj(lv.scr_act())
cont.set_grid_align(lv.GRID_ALIGN.SPACE_BETWEEN, lv.GRID_ALIGN.END)
cont.set_grid_dsc_array(col_dsc, row_dsc)
cont.set_size(300, 220)
cont.center()
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}".format(col, row))
label.center()

52
examples/layouts/grid/lv_example_grid_5.py Normal file
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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)

27
examples/layouts/grid/lv_example_grid_6.py Normal file
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#
# Demonstrate RTL direction on grid
#
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_style_base_dir(lv.BASE_DIR.RTL,0)
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}".format(col, row))
label.center()