python-efl/examples/elementary/test_label.py

#!/usr/bin/env python
# encoding: utf-8

from efl import evas
from efl import elementary
from efl.elementary.window import Window
from efl.elementary.background import Background
from efl.elementary.box import Box
from efl.elementary.grid import Grid
from efl.elementary.label import Label
from efl.elementary.radio import Radio
from efl.elementary.separator import Separator
from efl.elementary.slider import Slider


def cb_slide_radio(radio, lb):
    lb.style = radio.text

def cb_slider_duration(slider, lb):
    lb.slide = False
    lb.slide_duration = slider.value
    lb.slide = True

def label_clicked(obj):
    win = Window("label", elementary.ELM_WIN_BASIC)
    win.title = "Label test"
    win.autodel = True
    if obj is None:
        win.callback_delete_request_add(lambda o: elementary.exit())

    bg = Background(win)
    win.resize_object_add(bg)
    bg.size_hint_weight = (evas.EVAS_HINT_EXPAND, evas.EVAS_HINT_EXPAND)
    bg.show()

    vbox = Box(win)
    vbox.size_hint_weight = (evas.EVAS_HINT_EXPAND, evas.EVAS_HINT_EXPAND)
    vbox.size_hint_align = (evas.EVAS_HINT_FILL, evas.EVAS_HINT_FILL)
    win.resize_object_add(vbox)
    vbox.show()

    lb = Label(win)
    lb.text = "<b>This is a small label</b>"
    lb.size_hint_align = (0.0, 0.5)
    vbox.pack_end(lb)
    lb.show()

    lb = Label(win)
    lb.text = "This is a larger label with newlines<br/>" \
              "to make it bigger, bit it won't expand or wrap<br/>" \
              "just be a block of text that can't change its<br/>" \
              "formatting as it's fixed based on text<br/>"
    lb.size_hint_align = (0.0, 0.5)
    vbox.pack_end(lb)
    lb.show()

    lb = Label(win)
    lb.line_wrap_set(elementary.ELM_WRAP_CHAR)
    lb.text =  "<b>This is more text designed to line-wrap here as " \
               "This object is resized horizontally. As it is " \
               "resized vertically though, nothing should change. " \
               "The amount of space allocated vertically should " \
               "change as horizontal size changes.</b>"
    lb.size_hint_weight = (evas.EVAS_HINT_EXPAND, 0.0)
    lb.size_hint_align = (evas.EVAS_HINT_FILL, evas.EVAS_HINT_FILL)
    vbox.pack_end(lb)
    lb.show()

    lb = Label(win)
    lb.text = "This small label set to wrap"
    lb.size_hint_weight = (evas.EVAS_HINT_EXPAND, 0.0)
    lb.size_hint_align = (evas.EVAS_HINT_FILL, evas.EVAS_HINT_FILL)
    vbox.pack_end(lb)
    lb.show()

    sp = Separator(win)
    sp.horizontal = True
    vbox.pack_end(sp)
    sp.show()

    gd = Grid(win)
    gd.size = (100, 100)
    gd.size_hint_weight = (evas.EVAS_HINT_EXPAND, evas.EVAS_HINT_EXPAND)
    gd.size_hint_align = (evas.EVAS_HINT_FILL, evas.EVAS_HINT_FILL)
    vbox.pack_end(gd)
    gd.show()
    
    lb = Label(win)
    lb.text = "Test Label Ellipsis:"
    lb.size_hint_align = (0.0, 0.5)
    gd.pack(lb, 5, 5, 90, 15)
    lb.show()

    rect = evas.Rectangle(win.evas)
    rect.color = (255, 125, 125, 255)
    gd.pack(rect, 5, 15, 90, 15)
    rect.show()

    lb = Label(win)
    lb.text = "This is a label set to ellipsis. " \
              "If set ellipsis to true and the text doesn't fit " \
              "in the label an ellipsis(\"...\") will be shown " \
              "at the end of the widget."
    lb.ellipsis = True
    lb.size_hint_align = (0.0, 0.5)
    gd.pack(lb, 5, 15, 90, 15)
    lb.show()

    lb = Label(win)
    lb.text = "Test Label Slide:"
    lb.size_hint_align = (0.0, 0.5)
    gd.pack(lb, 5, 40, 90, 15)
    lb.show()

    rect = evas.Rectangle(win.evas)
    rect.color = (255, 125, 125, 255)
    gd.pack(rect, 5, 50, 90, 15)
    rect.show()

    lb = Label(win)
    lb.text = "This is a label set to slide. " \
              "If set slide to true the text of the label " \
              "will slide/scroll through the length of label." \
              "This only works with the themes \"slide_short\", " \
              "\"slide_long\" and \"slide_bounce\"."
    lb.slide_mode = elementary.ELM_LABEL_SLIDE_MODE_AUTO
    lb.style = ("slide_short")
    lb.size_hint_align = (0.0, 0.5)
    gd.pack(lb, 5, 50, 90, 15)
    lb.show()

    rd = Radio(win)
    rd.state_value = 1
    rd.text = "slide_short"
    gd.pack(rd, 5, 65, 30, 15)
    rd.callback_changed_add(cb_slide_radio, lb)
    rd.show()
    rdg = rd

    rd = Radio(win)
    rd.group_add(rdg)
    rd.state_value = 2
    rd.text = "slide_long"
    gd.pack(rd, 35, 65, 30, 15)
    rd.callback_changed_add(cb_slide_radio, lb)
    rd.show()

    rd = Radio(win)
    rd.group_add(rdg)
    rd.state_value = 3
    rd.text = "slide_bounce"
    gd.pack(rd, 65, 65, 30, 15)
    rd.callback_changed_add(cb_slide_radio, lb)
    rd.show()

    sl = Slider(win)
    sl.text = "Slide Duration"
    sl.unit_format = "%1.1f units"
    sl.min_max = (1, 20)
    sl.value = 10
    sl.size_hint_align = (evas.EVAS_HINT_FILL, 0.5)
    sl.size_hint_weight = (evas.EVAS_HINT_EXPAND, 0.0)
    sl.callback_changed_add(cb_slider_duration, lb)
    gd.pack(sl, 5, 80, 90, 15)
    sl.show()

    win.resize(280, 400)
    win.show()


if __name__ == "__main__":
    elementary.init()

    label_clicked(None)

    elementary.run()
    elementary.shutdown()