115 lines
3.0 KiB
Python
115 lines
3.0 KiB
Python
"""
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NAVTEX
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- Meldungen anzeigen
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"""
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import cairo
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from .page import Page
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class Navtex(Page):
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def __init__(self, pageno, cfg, appdata, boatdata):
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super().__init__(pageno, cfg, appdata, boatdata)
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self.disabled = self.app.navtex is None
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if self.disabled:
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return
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self.ids = self.app.navtex.get_ids()
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if len(self.ids) > 0:
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self.current = 1
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self.msgid = self.ids[self.current - 1]
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else:
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self.current = 0
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self.msgid = None
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self.buttonlabel[1] = 'PREV'
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self.buttonlabel[2] = 'NEXT'
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self.buttonlabel[5] = 'MORE'
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self.skip = 0
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def handle_key(self, buttonid):
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if buttonid == 1:
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if self.current > 1:
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self.current -= 1
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else:
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self.current = len(self.ids)
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self.msgid = self.ids[self.current - 1]
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self.skip = 0
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return True
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if buttonid == 2:
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if self.current < len(self.ids):
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self.current += 1
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else:
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self.current = 1
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self.msgid = self.ids[self.current - 1]
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self.skip = 0
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return True
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if buttonid == 5:
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self.skip += 1
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return True
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return False
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def draw(self, ctx):
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# Title
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ctx.select_font_face("Ubuntu", cairo.FontSlant.NORMAL, cairo.FontWeight.BOLD)
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ctx.set_font_size(24)
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ctx.move_to(8, 40)
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ctx.show_text("NAVTEX")
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ctx.set_line_width(1)
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ctx.move_to(4.5, 42.5)
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ctx.line_to(395.5, 42.5)
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ctx.move_to(4.5, 272.5)
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ctx.line_to(395.5, 272.5)
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ctx.move_to(4.5, 32.5)
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ctx.line_to(4.5, 272.5)
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ctx.move_to(396.5, 32.5)
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ctx.line_to(396.5, 272.5)
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#ctx.rectangle(4.5, 20.5, 392, 250)
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ctx.stroke()
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ctx.set_font_size(16)
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if self.disabled:
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ctx.move_to(8, 75)
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ctx.show_text("Feature ist disabled by configuration")
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return
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ctx.move_to(150, 40)
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self.draw_text_ralign(ctx, 392, 38, "Message {} of {}".format(self.current, len(self.ids)))
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ctx.select_font_face("AtariST8x16SystemFont")
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ctx.move_to(8, 59)
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if self.current == 0:
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ctx.show_text("NIL")
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return
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# 48 Zeichen je Zeile möglich
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# Max. 14 Zeilen auf dem Bildschirm
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rawmsg = self.app.navtex.get_message(self.msgid).splitlines()
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output = []
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for line in rawmsg:
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if len(line) <= 48:
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output.append(line)
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else:
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i = 0
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j = 48
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while i < len(line):
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output.append(line[i:j])
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i += 48
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j += 48
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x = 8
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y = 59
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n = 0
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for line in output:
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if n >= self.skip:
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ctx.move_to(x, y)
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ctx.show_text(line)
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y += 16
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n += 1
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if n >= 14 + self.skip:
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break
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