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225 lines
7.5 KiB
225 lines
7.5 KiB
'''
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Textinput
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and
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Textoutput
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using pygame
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'''
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import pygame
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from pygame.locals import *
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class Keyinput():
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def __init__(self):
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self.text = ""
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self.uppercase = False
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self.line = False
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def set_letter(self,letter):
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# Convert to uppercase if uppercase is true
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if self.uppercase:
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self.text += letter.upper()
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else:
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self.text += letter
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def event_handler(self,event):
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if event.type == pygame.KEYDOWN:
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if event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
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self.uppercase = True
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# Check for all the letter
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elif event.key == pygame.K_a:
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self.set_letter("a")
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elif event.key == pygame.K_b:
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self.set_letter("b")
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elif event.key == pygame.K_c:
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self.set_letter("c")
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elif event.key == pygame.K_d:
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self.set_letter("d")
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elif event.key == pygame.K_e:
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self.set_letter("e")
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elif event.key == pygame.K_f:
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self.set_letter("f")
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elif event.key == pygame.K_g:
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self.set_letter("g")
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elif event.key == pygame.K_h:
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self.set_letter("h")
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elif event.key == pygame.K_i:
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self.set_letter("i")
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elif event.key == pygame.K_j:
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self.set_letter("j")
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elif event.key == pygame.K_k:
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self.set_letter("k")
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elif event.key == pygame.K_l:
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self.set_letter("l")
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elif event.key == pygame.K_m:
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self.set_letter("m")
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elif event.key == pygame.K_n:
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self.set_letter("n")
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elif event.key == pygame.K_o:
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self.set_letter("o")
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elif event.key == pygame.K_p:
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self.set_letter("p")
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elif event.key == pygame.K_q:
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self.set_letter("q")
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elif event.key == pygame.K_r:
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self.set_letter("r")
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elif event.key == pygame.K_s:
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self.set_letter("s")
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elif event.key == pygame.K_t:
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self.set_letter("t")
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elif event.key == pygame.K_u:
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self.set_letter("u")
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elif event.key == pygame.K_v:
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self.set_letter("v")
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elif event.key == pygame.K_w:
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self.set_letter("w")
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elif event.key == pygame.K_x:
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self.set_letter("x")
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elif event.key == pygame.K_y:
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self.set_letter("y")
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elif event.key == pygame.K_z:
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self.set_letter("z")
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# Check for space
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elif event.key == pygame.K_SPACE:
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self.text += " "
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# Check for period
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elif event.key == pygame.K_PERIOD:
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self.text += "."
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# Check for comma
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elif event.key == pygame.K_COMMA:
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self.text += ","
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# Check for numbers
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elif event.key == pygame.K_0:
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self.text += "0"
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elif event.key == pygame.K_1:
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self.text += "1"
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elif event.key == pygame.K_2:
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self.text += "2"
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elif event.key == pygame.K_3:
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self.text += "3"
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elif event.key == pygame.K_4:
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self.text += "4"
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elif event.key == pygame.K_5:
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self.text += "5"
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elif event.key == pygame.K_6:
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self.text += "6"
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elif event.key == pygame.K_7:
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self.text += "7"
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elif event.key == pygame.K_8:
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self.text += "8"
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elif event.key == pygame.K_9:
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self.text += "9"
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# check for backspace to delete the last character
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elif event.key == pygame.K_BACKSPACE:
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if len(self.text) > 1:
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self.text = self.text[:len(self.text)-1]
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else:
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self.text = ""
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if event.key == pygame.K_RETURN:
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self.line = True
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self.linetext=self.text
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elif event.type == pygame.KEYUP:
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if event.key == pygame.K_LSHIFT or event.key == pygame.K_RSHIFT:
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self.uppercase = False
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def draw_text_in (text,area, color_rect=(0,0,255), color_text=(255,255,255),font_name="arial", font_size=25 ):
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font = pygame.font.SysFont(font_name, font_size)
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y_pos = x_pos = 2
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area_out=pygame.Surface(area.get_size())
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area_out.fill(color_rect)
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#
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for line in text.splitlines():
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#
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out_text = font.render(line, 1, color_text)
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area_out.blit(out_text, (x_pos, y_pos))
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y_pos += font_size
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x_pos = 0
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return area_out
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def text_input (answer_surf,answer_rect, color_rect=(0,0,255), color_text=(255,255,255),font_name="arial", font_size=25):
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answer = Keyinput()
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area_for_answer = pygame.Surface((answer_rect.w,answer_rect.h))
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while answer.line == False:
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for event in pygame.event.get(): # User did something
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if event.type == pygame.QUIT: # If user clicked close
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pygame.quit()
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exit()
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elif event.type == pygame.KEYDOWN:
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if event.key == 27:
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pygame.quit()
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exit()
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# Run keyboard event handler
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answer.event_handler(event)
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#print (answer.text)
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area_ausgabe= draw_text_in ( answer.text,area_for_answer,color_rect , color_text,font_name,font_size)
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answer_surf.blit(area_ausgabe,(answer_rect.x,answer_rect.y))
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pygame.display.update()
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return answer.linetext
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def text_output (surf,text_rect, text_to_display, color_rect=(0,0,255), color_text=(255,255,255),font_name="arial", font_size=25):
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area_for_text = pygame.Surface((text_rect.w,text_rect.h))
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area_out= draw_text_in ( text_to_display,area_for_text,color_rect , color_text,font_name,font_size)
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surf.blit(area_out,(text_rect.x,text_rect.y))
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#pygame.display.update()
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def main():
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# Constants
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# COLORS
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BLACK = (0,0,0)
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WHITE = (255,255,255)
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RED = (255,0,0)
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YELLOW= (255,255,0)
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GREEN = (0,255,0)
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BLUE = (0,0,200)
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# Initialize all imported pygame modules
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pygame.init()
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# Dimension of the display Window
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x_dim =600
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y_dim =308
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# Set the width and height of the screen [width, height]
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screen = pygame.display.set_mode((x_dim,y_dim))
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# Set the current window caption
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pygame.display.set_caption("Text input and output in Pygame")
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#
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# Test of text_input() and text_output()
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#
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text_output (screen,pygame.Rect(0,180,400,70),"text_output\nexample",BLUE,YELLOW,font_name="ocra",font_size=30)
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# Use Surface at Rect to print Text, with BGColor, TextColor in Font With Size
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text_output (screen,pygame.Rect(160,30,400,60),"WAS ist die Antwort?",BLUE,YELLOW,font_name="ocra",font_size=30)
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# Use Surface at Rect to input Text, with BGColor, TextColor in Font With Size
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answer= text_input (screen,pygame.Rect(160,90,400,90),YELLOW,RED,font_name="arial",font_size=50)
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print (answer)
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# Use Surface at Rect to print Text with default settings
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text_output (screen,pygame.Rect(60,240,200,60),answer)
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# Example: Waiting for RETURN - KEY
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# Use Surface at Rect to input Text WITHOUT GETTING THE RESULT with default settings
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text_input (screen,pygame.Rect(160,90,400,90))
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if __name__ == '__main__':
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main()
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