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68 lines
2.7 KiB
Python
68 lines
2.7 KiB
Python
#
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# Create styles from scratch for buttons.
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#
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style_button = lv.style_t()
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style_button_red = lv.style_t()
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style_button_pressed = lv.style_t()
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# Create a simple button style
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style_button.init()
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style_button.set_radius(10)
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style_button.set_bg_opa(lv.OPA.COVER)
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style_button.set_bg_color(lv.palette_lighten(lv.PALETTE.GREY, 3))
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style_button.set_bg_grad_color(lv.palette_main(lv.PALETTE.GREY))
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style_button.set_bg_grad_dir(lv.GRAD_DIR.VER)
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# Add a border
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style_button.set_border_color(lv.color_white())
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style_button.set_border_opa(lv.OPA._70)
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style_button.set_border_width(2)
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# Set the text style
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style_button.set_text_color(lv.color_white())
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# Create a red style. Change only some colors.
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style_button_red.init()
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style_button_red.set_bg_color(lv.palette_main(lv.PALETTE.RED))
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style_button_red.set_bg_grad_color(lv.palette_lighten(lv.PALETTE.RED, 2))
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# Create a style for the pressed state.
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style_button_pressed.init()
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style_button_pressed.set_bg_color(lv.palette_main(lv.PALETTE.BLUE))
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style_button_pressed.set_bg_grad_color(lv.palette_darken(lv.PALETTE.RED, 3))
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# Create a button and use the new styles
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button = lv.button(lv.scr_act()) # Add a button the current screen
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# Remove the styles coming from the theme
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# Note that size and position are also stored as style properties
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# so lv_obj_remove_style_all will remove the set size and position too
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button.remove_style_all() # Remove the styles coming from the theme
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button.set_pos(10, 10) # Set its position
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button.set_size(120, 50) # Set its size
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button.add_style(style_button, 0)
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button.add_style(style_button_pressed, lv.STATE.PRESSED)
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label = lv.label(button) # Add a label to the button
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label.set_text("Button") # Set the labels text
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label.center()
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# Create a slider in the center of the display
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slider = lv.slider(lv.scr_act())
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slider.set_width(200) # Set the width
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slider.center() # Align to the center of the parent (screen)
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# Create another button and use the red style too
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button2 = lv.button(lv.scr_act())
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button2.remove_style_all() # Remove the styles coming from the theme
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button2.set_pos(10, 80) # Set its position
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button2.set_size(120, 50) # Set its size
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button2.add_style(style_button, 0)
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button2.add_style(style_button_red, 0)
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button2.add_style(style_button_pressed, lv.STATE.PRESSED)
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button2.set_style_radius(lv.RADIUS_CIRCLE, 0) # Add a local style
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label = lv.label(button2) # Add a label to the button
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label.set_text("Button 2") # Set the labels text
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label.center()
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