56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
# Will be called when the styles of the base theme are already added
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# to add new styles
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class NewTheme(lv.theme_t):
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def __init__(self):
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super().__init__()
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# Initialize the styles
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self.style_btn = lv.style_t()
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self.style_btn.init()
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self.style_btn.set_bg_color(lv.palette_main(lv.PALETTE.GREEN))
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self.style_btn.set_border_color(lv.palette_darken(lv.PALETTE.GREEN, 3))
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self.style_btn.set_border_width(3)
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# This theme is based on active theme
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th_act = lv.theme_get_from_obj(lv.scr_act())
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# This theme will be applied only after base theme is applied
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self.set_parent(th_act)
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class ExampleStyle_14:
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def __init__(self):
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#
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# Extending the current theme
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#
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btn = lv.btn(lv.scr_act())
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btn.align(lv.ALIGN.TOP_MID, 0, 20)
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label = lv.label(btn)
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label.set_text("Original theme")
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self.new_theme_init_and_set()
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btn = lv.btn(lv.scr_act())
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btn.align(lv.ALIGN.BOTTOM_MID, 0, -20)
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label = lv.label(btn)
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label.set_text("New theme")
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def new_theme_apply_cb(self, th, obj):
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print(th,obj)
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if obj.get_class() == lv.btn_class:
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obj.add_style(self.th_new.style_btn, 0)
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def new_theme_init_and_set(self):
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print("new_theme_init_and_set")
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# Initialize the new theme from the current theme
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self.th_new = NewTheme()
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self.th_new.set_apply_cb(self.new_theme_apply_cb)
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lv.disp_get_default().set_theme(self.th_new)
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exampleStyle_14 = ExampleStyle_14()
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