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terminal.py
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terminal.py
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import pygame
import os
import tkinter
from tkinter.filedialog import askopenfilename, asksaveasfile
from tkinter.messagebox import showinfo
from gapbuffer import GapBuffor, CellType
from typing import List, Optional
WORKING_DIR = os.path.dirname(os.path.abspath(__file__))
class TerminalButton():
def __init__(self, text: str, pos: List[int], width: Optional[int] = None, height: Optional[int] = None):
self.pos = pos
self.width = width
self.height = height
self.font = pygame.font.Font(os.path.join(WORKING_DIR, 'font/Roboto-Regular.ttf'), 16)
self.text_surface = self.font.render(text, True, (255, 255, 255))
if width is None:
self.width = self.text_surface.get_rect().width
if height is None:
self.height = self.text_surface.get_rect().height
self.rect = pygame.Rect(pos[0], pos[1], self.width, self.height)
self.is_clicked = False
self.clicked = False
self.hover = False
def catch_events(self, events: List[pygame.event.Event]) -> None:
mouse = pygame.mouse.get_pos()
self.hover = self.rect.collidepoint(mouse[0], mouse[1])
self.clicked = False
self.is_clicked = False
for e in events:
if e.type == pygame.MOUSEBUTTONDOWN:
if self.hover:
self.clicked = True
if self.hover and pygame.mouse.get_pressed()[0]:
self.is_clicked = True
def click(self) -> bool:
return self.clicked
def draw(self, window) -> None:
if self.is_clicked:
pygame.draw.rect(window, (0, 200, 0), self.rect)
else:
pygame.draw.rect(window, (0, 150 if self.hover else 100, 0), self.rect)
window.blit(self.text_surface, self.text_surface.get_rect(center=(self.pos[0] + self.width//2, self.pos[1] + self.height//2)))
class Terminal:
def __init__(self):
self.menu_height = 100
self.width = 500
self.height = 500 + self.menu_height
self.cell_size = 20
self.cells_width = self.width // self.cell_size
self.cells_height = (self.height - self.menu_height) // self.cell_size
self.buffor = GapBuffor()
self.debug_mode = False
self.start()
def start(self) -> None:
pygame.init()
window = pygame.display.set_mode((self.width, self.height))
font = pygame.font.Font(os.path.join(WORKING_DIR, 'font/RobotoMono-Regular.ttf'), 24)
exit_button = TerminalButton('Exit', (0, 0), self.width/4, self.cell_size)
load_button = TerminalButton('Load', (self.width * (1/4), 0), self.width/4, self.cell_size)
save_button = TerminalButton('Save', (self.width * (2/4), 0), self.width/4, self.cell_size)
debug_mode_button = TerminalButton('Debug Mode', (self.width * (3/4), 0), self.width/4, self.cell_size)
tk = tkinter.Tk()
tk.withdraw()
clock = pygame.time.Clock()
run = True
while run:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
run = False
if e.type == pygame.KEYDOWN:
if e.key == pygame.K_RIGHT:
self.buffor.move_cursor(1)
elif e.key == pygame.K_LEFT:
self.buffor.move_cursor(-1)
elif e.key == pygame.K_BACKSPACE:
self.buffor.delete(1)
else:
self.buffor.write(e.unicode)
exit_button.catch_events(events)
load_button.catch_events(events)
save_button.catch_events(events)
debug_mode_button.catch_events(events)
if exit_button.click():
run = False
if load_button.click():
self.load_file()
if save_button.click():
self.save_file()
if debug_mode_button.click():
self.debug_mode = not self.debug_mode
window.fill((0, 0, 0))
stop_draw = False
buffor_index = -1
for y in range(0, self.cells_height):
for x in range(0, self.cells_width):
pos = [x * self.cell_size, (y + 1) * self.cell_size]
new_line = False
try:
while True:
buffor_index += 1
char = self.buffor.get_char(buffor_index)
if self.buffor.cursor == buffor_index:
pygame.draw.line(
window, (255, 255, 255),
(pos[0] + 1, pos[1] + 1),
(pos[0] + 1, pos[1] + self.cell_size - 1)
)
if self.debug_mode and char == CellType.GAP:
char = ''
break
if type(char) == str:
if ord(char) in [10, 13]: # eneter
new_line = True
break
except IndexError:
stop_draw = True
break
if new_line:
break
surface = font.render(char, True, (255, 255, 255))
surface = pygame.transform.scale(surface, (int(surface.get_rect().width * (9/10)), self.cell_size))
window.blit(surface, surface.get_rect(center=(pos[0] + self.cell_size//2, pos[1] + self.cell_size//2)))
if self.debug_mode:
pygame.draw.rect(window, (100, 100, 100), pygame.Rect(pos[0], pos[1], self.cell_size, self.cell_size), 1)
if buffor_index in range(self.buffor.cursor, self.buffor.cursor + self.buffor.current_gap_size):
pygame.draw.line(
window, (0, 0, 255),
(pos[0], pos[1] + self.cell_size - 1),
(pos[0] + self.cell_size, pos[1] + self.cell_size - 1)
)
if buffor_index == self.buffor.cursor:
pygame.draw.line(
window, (255, 0, 0),
(pos[0], pos[1] + self.cell_size - 1),
(pos[0] + self.cell_size, pos[1] + self.cell_size - 1)
)
if stop_draw:
break
exit_button.draw(window)
load_button.draw(window)
save_button.draw(window)
debug_mode_button.draw(window)
pygame.display.flip()
clock.tick_busy_loop(60)
def load_file(self) -> bool:
path = askopenfilename()
if type(path) != str:
return False
try:
with open(path) as file:
try:
text = file.read()
except UnicodeDecodeError:
showinfo('Error', f'Can\'t load {path}')
return
self.buffor.load(text)
return True
except FileNotFoundError:
return False
return False
def save_file(self) -> bool:
file = asksaveasfile()
if file is None:
return False
file.write(self.buffor.get_text())
return True