95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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from efl.evas import EVAS_HINT_EXPAND, EVAS_HINT_FILL, EXPAND_BOTH, FILL_BOTH, \
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EVAS_CALLBACK_RENDER_PRE, EVAS_CALLBACK_RENDER_POST, \
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EVAS_CALLBACK_CANVAS_FOCUS_IN, EVAS_CALLBACK_CANVAS_FOCUS_OUT, \
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EVAS_CALLBACK_CANVAS_OBJECT_FOCUS_IN, \
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EVAS_CALLBACK_CANVAS_OBJECT_FOCUS_OUT, \
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EVAS_CALLBACK_RENDER_FLUSH_PRE, EVAS_CALLBACK_RENDER_FLUSH_POST, \
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Text, Rectangle
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# edje is imported because the canvas callbacks point to an edje obj,
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# an instance cannot be created unless the class is available.
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# (it's not mapped in efl.eo object_mapping)
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from efl import edje
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from efl import elementary
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from efl.elementary.window import StandardWindow
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from efl.elementary.box import Box
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from efl.elementary.button import Button
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def btn_del_cbs_cb(button):
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canvas = button.evas_get()
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canvas.event_callback_del(EVAS_CALLBACK_CANVAS_FOCUS_IN, events_cb1)
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canvas.event_callback_del(EVAS_CALLBACK_CANVAS_FOCUS_OUT, events_cb1)
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canvas.event_callback_del(EVAS_CALLBACK_CANVAS_OBJECT_FOCUS_IN, events_cb2)
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canvas.event_callback_del(EVAS_CALLBACK_CANVAS_OBJECT_FOCUS_OUT, events_cb2)
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canvas.event_callback_del(EVAS_CALLBACK_RENDER_FLUSH_PRE, events_cb1)
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canvas.event_callback_del(EVAS_CALLBACK_RENDER_FLUSH_POST, events_cb1)
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canvas.event_callback_del(EVAS_CALLBACK_RENDER_PRE, events_cb1)
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canvas.event_callback_del(EVAS_CALLBACK_RENDER_POST, events_cb1)
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def events_cb1(rect, event_name):
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print(event_name + " No data for event")
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def events_cb2(rect, evtinfo, event_name):
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print(event_name + " " + str(evtinfo))
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def core_evas_canvas_callbacks_clicked(obj, item=None):
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win = StandardWindow("evascanvascbs", "Evas canvas callbacks", autodel=True,
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size=(320,320))
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if obj is None:
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win.callback_delete_request_add(lambda o: elementary.exit())
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text = Text(win.evas, text="Events printed on console", size=(300, 30),
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color=(0,0,0,255))
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text.font_set("Sans", 12)
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text.pos = (10, 10)
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text.show()
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canvas = win.evas_get()
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canvas.event_callback_add(EVAS_CALLBACK_CANVAS_FOCUS_IN,
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events_cb1, "EVAS_CALLBACK_CANVAS_FOCUS_IN")
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canvas.event_callback_add(EVAS_CALLBACK_CANVAS_FOCUS_OUT,
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events_cb1, "EVAS_CALLBACK_CANVAS_FOCUS_OUT")
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canvas.event_callback_add(EVAS_CALLBACK_CANVAS_OBJECT_FOCUS_IN,
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events_cb2, "EVAS_CALLBACK_CANVAS_OBJECT_FOCUS_IN")
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canvas.event_callback_add(EVAS_CALLBACK_CANVAS_OBJECT_FOCUS_OUT,
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events_cb2, "EVAS_CALLBACK_CANVAS_OBJECT_FOCUS_OUT")
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canvas.event_callback_add(EVAS_CALLBACK_RENDER_FLUSH_PRE,
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events_cb1, "EVAS_CALLBACK_RENDER_FLUSH_PRE")
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canvas.event_callback_add(EVAS_CALLBACK_RENDER_FLUSH_POST,
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events_cb1, "EVAS_CALLBACK_RENDER_FLUSH_POST")
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canvas.event_callback_add(EVAS_CALLBACK_RENDER_PRE,
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events_cb1, "EVAS_CALLBACK_RENDER_PRE")
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canvas.event_callback_add(EVAS_CALLBACK_RENDER_POST,
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events_cb1, "EVAS_CALLBACK_RENDER_POST")
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r2 = Rectangle(win.evas, size=(120,70), color=(0,100,0,100), pos=(70,70))
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r2.show()
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hbox = Box(win, size_hint_weight=EXPAND_BOTH, size_hint_align=FILL_BOTH,
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horizontal=True)
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win.resize_object_add(hbox)
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hbox.show()
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b = Button(win, text="del cbs", size_hint_align=(0.5, 1.0))
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hbox.pack_end(b)
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b.callback_clicked_add(btn_del_cbs_cb)
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b.show()
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win.show()
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if __name__ == "__main__":
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core_evas_canvas_callbacks_clicked(None)
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elementary.run()
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