681 lines
26 KiB
Python
Executable File
681 lines
26 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Projekcija - Lyrics Projector
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#
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# Izvorna zasnova in implementacija: Uroš Urbanija
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# Nadgradnje in vzdrževanje: Valentin Korenjak
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import sqlite3
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import tkinter as tk
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import json
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import os
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import math
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import subprocess
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import sys
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import ctypes
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import tkinter.messagebox as messagebox
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from web.server import start_server_thread
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import urllib.request
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import tempfile
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DB_PATH = 'songs.db'
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SETTINGS_PATH = 'settings.json'
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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class SongProjector:
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def __init__(self, root):
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self.root = root
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# ...
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try:
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# Odpri read-only; ne bo ustvaril prazne baze, če datoteka manjka
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# check_same_thread=False omogoča uporabo v večih nitih
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self.conn = sqlite3.connect(DB_PATH, check_same_thread=False)
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self.cursor = self.conn.cursor()
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except sqlite3.OperationalError as e:
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# Jasno sporočilo in varen izhod
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messagebox.showerror("Napaka baze", f"Ne morem odpreti baze '{DB_PATH}':\n{e}")
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root.destroy()
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sys.exit(1)
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self.current_song = None
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self.pages = []
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self.current_page_index = 0
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self.song_number = ""
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self.song_number_last = ""
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self.all_caps_mode = False
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# --------------------------------------------------
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# Nastavitve
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# --------------------------------------------------
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DEFAULT_SETTINGS = {
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"font_name": "Noto Sans",
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"bg_color": "#000000",
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"fg_color": "#FFFFFF",
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"font_size": 32,
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"screen_width_percent": 60,
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"font_bold": False,
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"show_song_info": True,
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"split_by_stanza": False,
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"web_port": 5000,
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"db_update_url": "",
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"ntfy_topic": "",
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"installation_label": "Projekcija"
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}
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if not os.path.exists(SETTINGS_PATH):
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self.settings = DEFAULT_SETTINGS.copy()
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with open(SETTINGS_PATH, "w", encoding="utf-8") as f:
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json.dump(self.settings, f, indent=4, ensure_ascii=False)
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else:
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try:
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with open(SETTINGS_PATH, "r", encoding="utf-8") as f:
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self.settings = json.load(f)
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except (json.JSONDecodeError, OSError):
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# Povratek na varne privzete
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self.settings = DEFAULT_SETTINGS.copy()
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self.line_height = int(int(self.settings["font_size"]) * 1.5)
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# --------------------------------------------------
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# Okno
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# --------------------------------------------------
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root.attributes('-fullscreen', True)
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root.configure(bg=self.settings["bg_color"])
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root.bind("<Return>", self.enter_pressed)
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root.bind("<KP_Enter>", self.enter_pressed)
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root.bind("<plus>", self.clear_screen)
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root.bind("<KP_Add>", self.clear_screen)
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root.bind("<minus>", self.prev_page)
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root.bind("<KP_Subtract>", self.prev_page)
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root.bind("<slash>", self.search_song)
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root.bind("<KP_Divide>", self.search_song)
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root.bind("<Key>", self.key_pressed)
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screen_width = root.winfo_screenwidth()
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screen_height = root.winfo_screenheight()
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screen_width_percent = self.settings["screen_width_percent"]
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color_width = int(screen_width * screen_width_percent / 100)
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self.screen_height = screen_height
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self.color_width = color_width
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black_side_width = (screen_width - color_width) // 2
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self.left_frame = tk.Frame(root, bg="black", width=black_side_width, height=screen_height)
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self.left_frame.pack(side="left", fill="y")
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self.color_frame = tk.Frame(root, bg=self.settings["bg_color"], width=color_width, height=screen_height)
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self.color_frame.place(relx=0.5, rely=0.5, anchor="center")
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self.right_frame = tk.Frame(root, bg="black", width=black_side_width, height=screen_height)
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self.right_frame.pack(side="right", fill="y")
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font_weight = "bold" if self.settings.get("font_bold", False) else "normal"
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self.label = tk.Label(
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self.color_frame,
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text="",
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bg=self.settings["bg_color"],
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fg=self.settings["fg_color"],
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font=(self.settings["font_name"], int(self.settings["font_size"]), font_weight),
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wraplength=color_width,
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justify="center"
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)
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self.label.pack(expand=True)
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right_edge_x = int((screen_width - color_width) / 2 + color_width)
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self.song_info_label = tk.Label(
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root,
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text="",
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bg=self.settings["bg_color"],
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fg=self.settings["fg_color"],
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font=(self.settings["font_name"], int(self.settings["font_size"]) - 5),
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anchor="se",
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justify="right"
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)
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self.song_info_label.place(x=right_edge_x - 10, y=screen_height - 10, anchor="se")
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self.search_label = None
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self.search_entry = None
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self.waiting_for_song = True
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# --------------------------------------------------
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# Samodejno skrivanje kazalca
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# --------------------------------------------------
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def hide_cursor_after_delay():
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self.root.config(cursor="none")
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def reset_cursor_timer(event=None):
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self.root.config(cursor="")
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if hasattr(self, "cursor_job"):
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self.root.after_cancel(self.cursor_job)
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self.cursor_job = self.root.after(0, hide_cursor_after_delay)
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self.root.bind_all('<Any-Motion>', reset_cursor_timer)
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self.root.bind_all('<Key>', reset_cursor_timer)
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self.cursor_job = self.root.after(0, hide_cursor_after_delay)
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self.clear_screen()
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# --------------------------------------------------
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# Zagon Flask web serverja (če je port nastavljen)
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# --------------------------------------------------
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web_port = self.settings.get("web_port", 0)
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if web_port and web_port > 0:
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try:
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start_server_thread(self, host='0.0.0.0', port=web_port)
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print(f"Web server zagnan na http://0.0.0.0:{web_port}")
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except Exception as e:
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print(f"Napaka pri zagonu web serverja: {e}")
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# --------------------------------------------------
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# Preprečevanje ohranjevalnika zaslona
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# --------------------------------------------------
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self.keep_awake()
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def keep_awake(self):
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"""
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Prepreči vklop ohranjevalnika zaslona ali spanja.
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"""
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self.inhibitor_cookie = None
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try:
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if sys.platform.startswith("win"):
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# Windows: ES_CONTINUOUS | ES_DISPLAY_REQUIRED | ES_SYSTEM_REQUIRED
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# 0x80000000 | 0x00000002 | 0x00000001
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# Uporabimo c_uint za zagotovitev pravilnega tipa
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ctypes.windll.kernel32.SetThreadExecutionState(ctypes.c_uint(0x80000003))
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elif sys.platform == "linux":
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# GNOME DBus inhibitor (org.gnome.SessionManager)
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# Flags: 1=logout, 2=switch user, 4=suspend, 8=idle
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# Uporabimo 12 (4+8) za suspend in idle.
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# toplevel_xid=0 (uint32:0)
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cmd = [
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"dbus-send", "--print-reply", "--dest=org.gnome.SessionManager",
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"/org/gnome/SessionManager", "org.gnome.SessionManager.Inhibit",
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"string:projector", "uint32:0", "string:Projecting lyrics", "uint32:12"
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]
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output = subprocess.check_output(cmd, stderr=subprocess.STDOUT).decode()
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# Output format: uint32 12345678
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for line in output.splitlines():
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if "uint32" in line:
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self.inhibitor_cookie = line.split()[-1]
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break
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except Exception as e:
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print(f"Napaka pri preprečevanju spanja: {e}")
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# ------------------------------------------------------
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# NOVA METODA: enakomeren prelom predolgih vrstic
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# ------------------------------------------------------
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def split_long_line(self, line):
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"""
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Vrne seznam pod-vrstic, ki skupaj tvorijo `line`,
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pri čemer so (približno) enako dolge glede na število znakov.
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"""
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avg_char_width = int(self.settings["font_size"]) * 0.57
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wraplength_px = self.color_width
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# Koliko znakov približno gre v eno vrstico
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approx_chars_per_line = max(1, int(wraplength_px / avg_char_width))
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if len(line) <= approx_chars_per_line:
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return [line]
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# Potrebno število pod‑vrstic
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n_sub = math.ceil(len(line) / approx_chars_per_line)
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words = line.split()
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total_chars = sum(len(w) for w in words) + len(words) - 1 # vključno s presledki
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target_len = total_chars / n_sub
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sub_lines = []
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current_words = []
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current_len = 0
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for word in words:
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added_len = len(word) + (1 if current_words else 0) # presledek pred besedo, če ni prva
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if current_len + added_len > target_len and len(sub_lines) < n_sub - 1:
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# Začni novo vrstico
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sub_lines.append(" ".join(current_words))
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current_words = [word]
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current_len = len(word)
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else:
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current_words.append(word)
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current_len += added_len
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if current_words:
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sub_lines.append(" ".join(current_words))
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return sub_lines
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# ------------------------------------------------------
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# Upravljanje tipkovnice
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# ------------------------------------------------------
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def key_pressed(self, event):
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if event.char and event.char.isdigit():
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self.song_number += event.char
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elif event.keysym == "BackSpace":
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self.song_number = self.song_number[:-1]
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elif event.char == "*":
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self.all_caps_mode = not self.all_caps_mode
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self.show_page()
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def enter_pressed(self, event=None):
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if self.song_number:
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self.load_song()
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elif not self.waiting_for_song:
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self.next_page()
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# ------------------------------------------------------
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# Nalaganje in obdelava besedila
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# ------------------------------------------------------
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def load_song(self):
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if not self.song_number:
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return
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if self.song_number == "0":
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self.clear_screen()
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self.song_number = ""
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return
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# Ponastavitev izgleda barvnega območja
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self.color_frame.config(bg=self.settings["bg_color"], width=self.color_width, height=self.screen_height)
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self.color_frame.place(relx=0.5, rely=0.5, anchor="center")
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self.label.config(bg=self.settings["bg_color"], fg=self.settings["fg_color"])
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self.label.pack(expand=True)
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# Posebni ukazi
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if self.song_number == "9999":
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if sys.platform.startswith("win"):
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subprocess.Popen(["shutdown", "/s", "/t", "0"]) # brez /f - manj agresivno
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else:
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subprocess.Popen(["shutdown", "-h", "now"])
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return
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elif self.song_number == "9998":
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if sys.platform.startswith("win"):
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subprocess.Popen(["shutdown", "/r", "/t", "0"])
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else:
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subprocess.Popen(["shutdown", "-r", "now"])
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return
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elif self.song_number == "9997":
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self.restart_program()
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return
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elif self.song_number == "9988":
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self.exit_program()
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return
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elif self.song_number == "9901":
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self.update_songs_database()
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return
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try:
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song_id = int(self.song_number)
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self.cursor.execute("SELECT lyrics FROM songs WHERE id=?", (song_id,))
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result = self.cursor.fetchone()
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if result:
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lyrics = result[0]
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max_height = self.screen_height - (self.line_height * 1.5)
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avg_char_width = int(self.settings["font_size"]) * 0.57
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wraplength = self.color_width
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# -------------------------------------------
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# 1. Razbijanje besedila na (pod-)vrstice
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# -------------------------------------------
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raw_lines = lyrics.strip().splitlines()
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processed_lines = []
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for raw in raw_lines:
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if raw.strip() == "":
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processed_lines.append("") # ohranimo prazno vrstico
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else:
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processed_lines.extend(self.split_long_line(raw))
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# -------------------------------------------
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# 2. Razdeljevanje vrstic na strani
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# -------------------------------------------
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pages = []
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current_page_lines = []
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current_height = 0
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blank_line_count = 0
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for line in processed_lines:
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is_blank = (line.strip() == "")
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if is_blank:
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blank_line_count += 1
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else:
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blank_line_count = 0
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approx_line_length = len(line)
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approx_line_count = 1 if is_blank else math.ceil((approx_line_length * avg_char_width) / wraplength)
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needed_height = self.line_height * approx_line_count
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# Prazna vrstica več kot 1‑krat pomeni nova kitica ⇒ nova stran
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if blank_line_count >= 2:
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if current_page_lines:
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pages.append("\n".join(current_page_lines).strip())
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current_page_lines = []
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current_height = 0
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blank_line_count = 0
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continue
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# Če čez spodnji rob strani …
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if current_height + needed_height > max_height + self.line_height // 2:
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# poskusimo prelomiti na prazni vrstici znotraj strani
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found_split = False
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for i in reversed(range(len(current_page_lines))):
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if current_page_lines[i].strip() == "":
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pages.append("\n".join(current_page_lines[:i]).strip())
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current_page_lines = current_page_lines[i + 1:]
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current_height = sum(
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self.line_height * (
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1 if l.strip() == "" else math.ceil(len(l) * avg_char_width / wraplength)
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)
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for l in current_page_lines
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)
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found_split = True
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break
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if not found_split:
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pages.append("\n".join(current_page_lines).strip())
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current_page_lines = []
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current_height = 0
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current_page_lines.append(line)
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current_height += needed_height
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if current_page_lines:
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pages.append("\n".join(current_page_lines).strip())
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self.pages = pages
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self.current_page_index = 0
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self.waiting_for_song = False
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self.song_number_last = self.song_number
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self.show_page()
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else:
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self.label.config(text="")
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self.pages = []
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self.current_page_index = 0
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self.waiting_for_song = True
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self.song_number_last = self.song_number
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self.song_info_label.config(text=self.song_number_last)
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self.song_info_label.lift()
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except Exception as e:
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self.label.config(text=f"Napaka: {e}")
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finally:
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self.song_number = ""
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# ------------------------------------------------------
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# Prikaz trenutne strani
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# ------------------------------------------------------
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def show_page(self):
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if self.pages:
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text = self.pages[self.current_page_index]
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if self.all_caps_mode:
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text = text.upper()
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self.label.config(text=text)
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if self.settings.get("show_song_info", False):
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current_page = self.current_page_index + 1
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total_pages = len(self.pages)
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self.song_info_label.config(text=f"{self.song_number_last} {current_page}/{total_pages}")
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self.song_info_label.lift()
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else:
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self.song_info_label.config(text="")
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# ------------------------------------------------------
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# Navigacija po straneh
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# ------------------------------------------------------
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def next_page(self, event=None):
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if self.pages and self.current_page_index + 1 < len(self.pages):
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self.current_page_index += 1
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self.show_page()
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def prev_page(self, event=None):
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if self.pages and self.current_page_index > 0:
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self.current_page_index -= 1
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self.show_page()
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# ------------------------------------------------------
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# Očisti zaslon
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# ------------------------------------------------------
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def clear_screen(self, event=None):
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# odstranimo vse strani, da se tudi API posodobi
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self.pages = []
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self.current_page_index = 0
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self.waiting_for_song = True
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self.label.config(text="")
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self.label.pack_forget()
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self.color_frame.config(bg="black", width=self.color_width, height=self.screen_height)
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self.color_frame.place(relx=0.5, rely=0.5, anchor="center")
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self.song_info_label.config(text="")
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# ------------------------------------------------------
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# Iskanje po naslovu
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# ------------------------------------------------------
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def search_song(self, event=None):
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self.clear_screen()
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if self.search_label:
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self.search_label.destroy()
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if self.search_entry:
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self.search_entry.destroy()
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self.search_label = tk.Label(
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self.color_frame,
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text="Vpiši del naslova:",
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bg=self.settings["bg_color"],
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fg=self.settings["fg_color"],
|
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font=(self.settings["font_name"], int(self.settings["font_size"])),
|
||
wraplength=self.color_width,
|
||
justify="center"
|
||
)
|
||
self.search_label.pack(pady=(40, 10))
|
||
|
||
self.search_entry = tk.Entry(
|
||
self.color_frame,
|
||
font=(self.settings["font_name"], int(self.settings["font_size"])),
|
||
justify="center",
|
||
bg=self.settings["bg_color"],
|
||
fg=self.settings["fg_color"],
|
||
insertbackground=self.settings["fg_color"],
|
||
borderwidth=0,
|
||
highlightthickness=0
|
||
)
|
||
self.search_entry.pack()
|
||
self.search_entry.focus()
|
||
self.search_entry.bind("<Return>", self.perform_search)
|
||
|
||
def perform_search(self, event=None):
|
||
query = self.search_entry.get().strip()
|
||
self.search_label.destroy()
|
||
self.search_entry.destroy()
|
||
self.label.pack(expand=True)
|
||
|
||
if not query:
|
||
self.label.config(text="(Prazno iskanje)")
|
||
return
|
||
|
||
try:
|
||
self.cursor.execute(
|
||
"SELECT id, title FROM songs WHERE title LIKE ? COLLATE NOCASE",
|
||
(f"%{query}%",)
|
||
)
|
||
matched = self.cursor.fetchall()
|
||
except Exception as e:
|
||
self.label.config(text=f"Napaka pri iskanju: {e}")
|
||
return
|
||
|
||
if matched:
|
||
found = "\n".join(f"{sid}: {title}" for sid, title in matched)
|
||
self.label.config(text=found)
|
||
else:
|
||
self.label.config(text="Ni zadetkov.")
|
||
|
||
# ------------------------------------------------------
|
||
# Posodobitev baze pesmi
|
||
# ------------------------------------------------------
|
||
def update_songs_database(self):
|
||
url = self.settings.get("db_update_url", "").strip()
|
||
if not url:
|
||
msg = "URL za posodobitev ni nastavljen v settings.json."
|
||
print(msg)
|
||
self.label.config(text=msg)
|
||
self.song_number = ""
|
||
return
|
||
|
||
msg = f"Prenašam posodobitev iz: {url}..."
|
||
print(msg)
|
||
self.label.config(text=msg)
|
||
self.root.update()
|
||
|
||
temp_db_path = None
|
||
try:
|
||
# Prenos datoteke
|
||
with tempfile.NamedTemporaryFile(delete=False) as tmp_file:
|
||
temp_db_path = tmp_file.name
|
||
with urllib.request.urlopen(url) as response:
|
||
tmp_file.write(response.read())
|
||
|
||
# Preverjanje integritete
|
||
print("Preverjam integriteto prenesene baze...")
|
||
check_conn = sqlite3.connect(temp_db_path)
|
||
check_cursor = check_conn.cursor()
|
||
|
||
# PRAGMA integrity_check
|
||
check_cursor.execute("PRAGMA integrity_check")
|
||
integrity_result = check_cursor.fetchone()[0]
|
||
if integrity_result != "ok":
|
||
raise Exception(f"Integriteta baze ni OK: {integrity_result}")
|
||
|
||
# Preverjanje obstoja tabele songs
|
||
check_cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='songs'")
|
||
if not check_cursor.fetchone():
|
||
raise Exception("Tabela 'songs' ne obstaja v preneseni bazi.")
|
||
|
||
# Upsert v trenutno bazo
|
||
print("Izvajam upsert v lokalno bazo...")
|
||
check_cursor.execute("SELECT id, title, lyrics FROM songs")
|
||
new_songs = check_cursor.fetchall()
|
||
|
||
upsert_count = 0
|
||
for song_id, title, lyrics in new_songs:
|
||
self.cursor.execute("""
|
||
INSERT INTO songs (id, title, lyrics) VALUES (?, ?, ?)
|
||
ON CONFLICT(id) DO UPDATE SET title=excluded.title, lyrics=excluded.lyrics
|
||
""", (song_id, title, lyrics))
|
||
upsert_count += 1
|
||
|
||
self.conn.commit()
|
||
check_conn.close()
|
||
|
||
final_msg = f"Posodobitev uspešna! Posodobljenih/dodanih {upsert_count} pesmi."
|
||
print(final_msg)
|
||
self.label.config(text=final_msg)
|
||
|
||
except Exception as e:
|
||
error_msg = f"Napaka pri posodobitvi: {e}"
|
||
print(error_msg)
|
||
self.label.config(text=error_msg)
|
||
finally:
|
||
if temp_db_path and os.path.exists(temp_db_path):
|
||
try:
|
||
os.remove(temp_db_path)
|
||
except:
|
||
pass
|
||
self.song_number = ""
|
||
|
||
# ------------------------------------------------------
|
||
# Izhod
|
||
# ------------------------------------------------------
|
||
def exit_program(self, event=None):
|
||
# Ponastavi stanje preprečevanja spanja na Windows
|
||
if sys.platform.startswith("win"):
|
||
try:
|
||
# ES_CONTINUOUS (0x80000000)
|
||
ctypes.windll.kernel32.SetThreadExecutionState(ctypes.c_uint(0x80000000))
|
||
except:
|
||
pass
|
||
elif sys.platform == "linux":
|
||
try:
|
||
# Sprostimo DBus inhibitor, če ga imamo
|
||
if hasattr(self, "inhibitor_cookie") and self.inhibitor_cookie:
|
||
subprocess.Popen([
|
||
"dbus-send", "--dest=org.gnome.SessionManager",
|
||
"/org/gnome/SessionManager", "org.gnome.SessionManager.UnInhibit",
|
||
f"uint32:{self.inhibitor_cookie}"
|
||
], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
|
||
except:
|
||
pass
|
||
|
||
self.conn.close()
|
||
self.root.destroy()
|
||
# ------------------------------------------------------
|
||
# Restart programa
|
||
# ------------------------------------------------------
|
||
def restart_program(self):
|
||
try:
|
||
if self.conn:
|
||
self.conn.close()
|
||
except Exception:
|
||
pass
|
||
|
||
python = sys.executable
|
||
args = [python] + sys.argv
|
||
subprocess.Popen(args)
|
||
|
||
self.root.after(200, self.exit_program)
|
||
|
||
# ------------------------------------------------------
|
||
# Pošiljanje ntfy obvestil
|
||
# ------------------------------------------------------
|
||
def send_ntfy_notification(self, song_id, title, lyrics):
|
||
"""
|
||
Pošlje obvestilo o spremembi besedila preko ntfy.sh.
|
||
"""
|
||
topic = self.settings.get("ntfy_topic", "").strip()
|
||
if not topic:
|
||
return
|
||
|
||
label = self.settings.get("installation_label", "Projekcija")
|
||
# ntfy.sh headers must be ASCII. We'll use base64 encoding for the title to support non-ASCII characters.
|
||
import base64
|
||
encoded_label = "=?UTF-8?B?" + base64.b64encode(label.encode('utf-8')).decode('utf-8') + "?="
|
||
|
||
message = f"{song_id}\n{title}\n{lyrics}"
|
||
|
||
try:
|
||
url = f"https://ntfy.sh/{topic}"
|
||
req = urllib.request.Request(
|
||
url,
|
||
data=message.encode('utf-8'),
|
||
method='POST',
|
||
headers={ "Title": encoded_label,
|
||
"Priority": "high",
|
||
"Tags": "loudspeaker" }
|
||
)
|
||
# Uporabimo kratek timeout, da ne blokiramo aplikacije
|
||
with urllib.request.urlopen(req, timeout=5) as response:
|
||
pass
|
||
except Exception as e:
|
||
print(f"Napaka pri pošiljanju ntfy obvestila: {e}")
|
||
|
||
# ----------------------------------------------------------
|
||
# Zagon aplikacije
|
||
# ----------------------------------------------------------
|
||
if __name__ == "__main__":
|
||
root = tk.Tk()
|
||
app = SongProjector(root)
|
||
root.mainloop()
|