/
MultilineTextInput.py
executable file
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/
MultilineTextInput.py
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# This file is part of BobGUI, a free GUI library for Pygame.
# Copyright (C) 2016 Lumidify Productions <lumidify@openmailbox.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import pygame
from Cursor import Cursor
from SelectableText import SelectableText
from helper_functions import calc_size_list, get_index, refine_index, textwrap
from pygame.locals import *
SHIFT = 1
CTRL = 64
ALT = 256
class TextInput():
def __init__(self, screen, pos, size, font, **kwargs):
self.screen = screen
self.pos = pos
self.size = size
self.rect = Rect(self.pos, self.size)
self.font = font
self.font_height = self.font.get_height()
self.command = kwargs.get("command", None)
self.maxlines = kwargs.get("maxlines", -1)
self.maxlinelength = kwargs.get("maxlinelength", -1)
self.focused = False
self.highlighted = False
self.cursor = Cursor("|", 700, 500, self.pos)
self.text = SelectableText(self.screen, "", self.font, self.pos, textwrap=kwargs.get("textwrap", False), maxlinelength=kwargs.get("maxlinelength", -1))
self.update_text("")
pygame.key.set_repeat(500, 20)
def update_text(self, text):
self.text.change_text(text)
def get_text(self):
return self.text.text.get_text()
def update(self, event):
significant_event = False
mouse_pos = pygame.mouse.get_pos()
if event.type == MOUSEBUTTONDOWN and event.button == 1 and self.rect.collidepoint(mouse_pos):
self.focused = True
self.cursor.start()
elif event.type == MOUSEBUTTONDOWN and event.button == 1 and not self.rect.collidepoint(mouse_pos):
self.focused = False
self.cursor.stop()
elif event.type == MOUSEMOTION:
if self.rect.collidepoint(mouse_pos):
self.highlighted = True
else:
self.highlighted = False
elif event.type == KEYDOWN and self.focused:
mod = event.mod
mods = pygame.key.get_mods()
significant_event = True
if event.key == K_BACKSPACE:
if self.text.get_selected_text() != None:
points = self.text.get_ordered_points()
self.cursor.x, self.cursor.y = points[0]
self.text.removeslice(points)
else:
if self.cursor.x > 0:
self.text.remove([self.cursor.x - 1, self.cursor.y])
self.cursor.x -= 1
else:
if self.cursor.y > 0:
self.cursor.x = len(self.text.lines[self.cursor.y - 1])
self.text.remove([-1, self.cursor.y])
self.cursor.y -= 1
elif event.key == K_DELETE:
if self.text.get_selected_text() != None:
points = self.text.get_ordered_points()
self.cursor.x, self.cursor.y = points[0]
self.text.removeslice(points)
else:
self.text.remove((self.cursor.x, self.cursor.y))
elif event.key == K_RETURN:
self.text.insertline((self.cursor.x, self.cursor.y))
self.cursor.y += 1
self.cursor.x = 0
#if self.command != None:
# self.command()
elif event.key == K_LEFT:
if self.cursor.x > 0:
self.cursor.x -= 1
else:
if self.cursor.y > 0:
self.cursor.y -= 1
self.cursor.x = len(self.text.lines[self.cursor.y])
elif event.key == K_RIGHT:
if self.cursor.x < len(self.text.lines[self.cursor.y]):
self.cursor.x += 1
else:
if self.cursor.y < len(self.text.lines) - 1:
self.cursor.y += 1
self.cursor.x = 0
elif event.key == K_UP:
self.cursor.move_up(self.text.size_list)
if self.cursor.x > len(self.text.lines[self.cursor.y]):
self.cursor.x = len(self.text.lines[self.cursor.y]) - 1
elif event.key == K_DOWN:
self.cursor.move_down(self.text.size_list)
if self.cursor.x > len(self.text.lines[self.cursor.y]):
self.cursor.x = len(self.text.lines[self.cursor.y]) -1
else:
if event.unicode != "" and mods in [0, 1, 2, 4096, 8192, 4097, 4098, 8193, 8194]:
if self.text.get_selected_text() != None:
self.text.replaceslice(self.text.get_ordered_points(), event.unicode)
self.cursor.x = self.text.get_ordered_points()[0][0] + 1
self.cursor.y = self.text.get_ordered_points()[0][1]
else:
self.text.insert((self.cursor.x, self.cursor.y), event.unicode)
self.cursor.x += 1
if mods == 0:
self.text.selectnone()
if significant_event:
self.cursor.event()
self.change_color()
self.text.update(event)
def change_color(self):
if self.highlighted:
self.color = (0, 0, 200)
elif self.focused:
self.color = (0, 0, 150)
else:
self.color = (0, 0, 100)
def draw(self):
self.cursor.x, self.cursor.y = self.text.wrap([self.cursor.x, self.cursor.y])
self.cursor.update()
if self.cursor.visible:
if self.text.get_selected_text() != None:
self.cursor.x = self.text.x2
self.cursor.y = self.text.y2
self.cursor.calc_pixel_pos(self.text.size_list, self.font.get_height())
self.screen.blit(self.font.render(self.cursor.string, 1, (255, 255, 255)), (self.cursor.pixelx, self.cursor.pixely))
pygame.draw.rect(self.screen, self.color, self.rect, 2)
self.text.draw()
if __name__ == "__main__":
pygame.init()
font = pygame.font.Font(os.path.join("Lumidify_Casual.ttf"), 25)
screen = pygame.display.set_mode((500, 500))
clock = pygame.time.Clock()
gui = [TextInput(screen, [0, 0], [400, 200], font, textwrap=True, maxlinelength=400)]
while True:
clock.tick(30)
screen.fill((0, 0, 0))
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
else:
for widget in gui:
widget.update(event)
for widget in gui:
widget.draw()
pygame.display.update()