245 lines
8.2 KiB
Python
245 lines
8.2 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""Input handling for Storm Games.
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Provides functionality for:
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- Text input dialogs
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- Game pause functionality
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- Exit handling
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"""
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import pygame
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import time
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from .speech import speak
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def get_input(prompt="Enter text:", text=""):
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"""Display an accessible text input dialog using pygame.
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Features:
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- Speaks each character as typed
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- Left/Right arrows navigate and speak characters
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- Up/Down arrows read full text content
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- Backspace announces deletions
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- Enter submits, Escape cancels
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- Control key repeats the original prompt message
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- Fully accessible without screen reader dependency
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Args:
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prompt (str): Prompt text to display (default: "Enter text:")
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text (str): Initial text in input box (default: "")
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Returns:
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str: User input text, or None if cancelled
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"""
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# Initialize text buffer and cursor
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text_buffer = list(text) # Use list for easier character manipulation
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cursor_pos = len(text_buffer) # Start at end of initial text
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# Announce the prompt and initial text as a single message
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if text:
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initial_message = f"{prompt} Default text: {text}"
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else:
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initial_message = f"{prompt} Empty text field"
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speak(initial_message)
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# Main input loop
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while True:
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event = pygame.event.wait()
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if event.type == pygame.KEYDOWN:
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if event.key == pygame.K_RETURN:
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# Submit the input
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result = ''.join(text_buffer)
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speak(f"Submitted: {result if result else 'empty'}")
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return result
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elif event.key == pygame.K_ESCAPE:
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# Cancel input
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speak("Cancelled")
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return None
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elif event.key == pygame.K_BACKSPACE:
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# Delete character before cursor
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if cursor_pos > 0:
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deleted_char = text_buffer.pop(cursor_pos - 1)
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cursor_pos -= 1
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speak(f"{deleted_char} deleted")
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else:
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speak("Nothing to delete")
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elif event.key == pygame.K_DELETE:
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# Delete character at cursor
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if cursor_pos < len(text_buffer):
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deleted_char = text_buffer.pop(cursor_pos)
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speak(f"{deleted_char} deleted")
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else:
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speak("Nothing to delete")
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elif event.key == pygame.K_LEFT:
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# Move cursor left and speak character
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if cursor_pos > 0:
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cursor_pos -= 1
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if cursor_pos == 0:
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speak("Beginning of text")
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else:
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speak(text_buffer[cursor_pos])
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else:
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speak("Beginning of text")
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elif event.key == pygame.K_RIGHT:
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# Move cursor right and speak character
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if cursor_pos < len(text_buffer):
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speak(text_buffer[cursor_pos])
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cursor_pos += 1
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if cursor_pos == len(text_buffer):
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speak("End of text")
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else:
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speak("End of text")
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elif event.key == pygame.K_UP or event.key == pygame.K_DOWN:
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# Read entire text content
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if text_buffer:
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speak(''.join(text_buffer))
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else:
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speak("Empty text field")
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elif event.key == pygame.K_HOME:
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# Move to beginning
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cursor_pos = 0
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speak("Beginning of text")
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elif event.key == pygame.K_END:
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# Move to end
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cursor_pos = len(text_buffer)
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speak("End of text")
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elif event.key == pygame.K_LCTRL or event.key == pygame.K_RCTRL:
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# Repeat the original prompt message
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speak(initial_message)
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else:
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# Handle regular character input
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if event.unicode and event.unicode.isprintable():
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char = event.unicode
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# Insert character at cursor position
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text_buffer.insert(cursor_pos, char)
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cursor_pos += 1
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# Speak the character name
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if char == ' ':
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speak("space")
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elif char == '\\':
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speak("backslash")
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elif char == '/':
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speak("slash")
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elif char == '!':
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speak("exclamation mark")
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elif char == '"':
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speak("quotation mark")
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elif char == '#':
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speak("hash")
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elif char == '$':
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speak("dollar sign")
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elif char == '%':
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speak("percent")
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elif char == '&':
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speak("ampersand")
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elif char == "'":
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speak("apostrophe")
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elif char == '(':
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speak("left parenthesis")
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elif char == ')':
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speak("right parenthesis")
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elif char == '*':
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speak("asterisk")
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elif char == '+':
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speak("plus")
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elif char == ',':
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speak("comma")
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elif char == '-':
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speak("minus")
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elif char == '.':
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speak("period")
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elif char == ':':
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speak("colon")
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elif char == ';':
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speak("semicolon")
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elif char == '<':
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speak("less than")
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elif char == '=':
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speak("equals")
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elif char == '>':
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speak("greater than")
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elif char == '?':
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speak("question mark")
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elif char == '@':
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speak("at sign")
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elif char == '[':
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speak("left bracket")
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elif char == ']':
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speak("right bracket")
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elif char == '^':
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speak("caret")
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elif char == '_':
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speak("underscore")
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elif char == '`':
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speak("grave accent")
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elif char == '{':
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speak("left brace")
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elif char == '|':
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speak("pipe")
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elif char == '}':
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speak("right brace")
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elif char == '~':
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speak("tilde")
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else:
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# For regular letters, numbers, and other characters
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speak(char)
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# Allow other events to be processed
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pygame.event.pump()
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def pause_game():
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"""Pauses the game until user presses backspace."""
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speak("Game paused, press backspace to resume.")
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pygame.event.clear()
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try:
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pygame.mixer.pause()
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except:
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pass
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try:
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pygame.mixer.music.pause()
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except:
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pass
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while True:
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event = pygame.event.wait()
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if event.type == pygame.KEYDOWN and event.key == pygame.K_BACKSPACE:
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break
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try:
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pygame.mixer.unpause()
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except:
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pass
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try:
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pygame.mixer.music.unpause()
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except:
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pass
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pygame.event.pump()
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def check_for_exit():
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"""Check if user has pressed escape key.
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Returns:
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bool: True if escape was pressed, False otherwise
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"""
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for event in pygame.event.get():
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if event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE:
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return True
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return False
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pygame.event.pump()
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