428 lines
16 KiB
Python
428 lines
16 KiB
Python
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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DB_PATH = 'songs.db'
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SETTINGS_PATH = 'settings.json'
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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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self.conn = sqlite3.connect(DB_PATH)
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self.cursor = self.conn.cursor()
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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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if not os.path.exists(SETTINGS_PATH):
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self.settings = {
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"font_name": "Times New Roman",
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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": True,
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"show_song_info": True
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}
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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)
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else:
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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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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("<minus>", self.prev_page)
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root.bind("<slash>", 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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# 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.keysym.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 pesmi
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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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subprocess.Popen(["shutdown", "/s", "/f", "/t", "0"])
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return
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elif self.song_number == "7777":
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subprocess.Popen(["python", "nastavitve.py"])
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self.exit_program()
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return
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elif self.song_number == "8888":
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self.exit_program()
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return
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elif self.song_number == "6666":
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subprocess.Popen(["python", "add_song.py"])
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self.exit_program()
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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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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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self.waiting_for_song = True
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# ------------------------------------------------------
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# Iskanje pesmi
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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"])),
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wraplength=self.color_width,
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justify="center"
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)
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self.search_label.pack(pady=(40, 10))
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self.search_entry = tk.Entry(
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self.color_frame,
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font=(self.settings["font_name"], int(self.settings["font_size"])),
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justify="center",
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bg=self.settings["bg_color"],
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fg=self.settings["fg_color"],
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insertbackground=self.settings["fg_color"],
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borderwidth=0,
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highlightthickness=0
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)
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self.search_entry.pack()
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self.search_entry.focus()
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self.search_entry.bind("<Return>", self.perform_search)
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def perform_search(self, event=None):
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query = self.search_entry.get().strip().lower()
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self.search_label.destroy()
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self.search_entry.destroy()
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if query:
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self.cursor.execute("SELECT id, title FROM songs")
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all_results = self.cursor.fetchall()
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matched = []
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for song_id, title in all_results:
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if query in title.lower():
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matched.append((song_id, title))
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if matched:
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found = "\n".join(f"{id}: {title}" for id, title in matched)
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self.label.pack(expand=True)
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self.label.config(text=found)
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else:
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self.label.pack(expand=True)
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self.label.config(text="Ni zadetkov.")
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# ------------------------------------------------------
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# Izhod
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# ------------------------------------------------------
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def exit_program(self, event=None):
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self.conn.close()
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self.root.destroy()
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# ----------------------------------------------------------
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# Zagon aplikacije
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# ----------------------------------------------------------
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if __name__ == "__main__":
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root = tk.Tk()
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app = SongProjector(root)
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root.mainloop()
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