如何解决将文本添加到彩色输入文本框 pygame
这是我正在尝试的代码:
import pygame
class InputBox:
def __init__(self,x,y,w,h,color_active,color_inactive,font,text=''):
self.rect = pygame.Rect(x,h)
self.inner_rect = pygame.Rect(x+2,y+2,w-4,h-4)
self.color_active = color_active
self.color_inactive = color_inactive
self.color = self.color_inactive
self.text = text
self.font = font
self.txt_surface = font.render(text,True,self.color)
self.active = False
def handle_event(self,event):
if event.type == pygame.MOUSEBUTTONDOWN:
# If the user clicked on the input_Box rect.
if self.rect.collidepoint(event.pos):
# Toggle the active variable.
self.active = not self.active
else:
self.active = False
# Change the current color of the input Box.
self.color = self.color_active if self.active else self.color_inactive
if event.type == pygame.KEYDOWN:
if self.active:
if event.key == pygame.K_RETURN:
print(self.text)
self.text = ''
elif event.key == pygame.K_BACKSPACE:
self.text = self.text[:-1]
else:
self.text += event.unicode
# Re-render the text.
self.txt_surface = font.render(self.text,self.color)
def update(self):
# Resize the Box if the text is too long.
width = max(200,self.txt_surface.get_width()+10)
self.rect.w = width
def draw(self,screen):
# Blit the text.
screen.blit(self.txt_surface,(self.rect.x+5,self.rect.y+5))
# Blit the rect.
pygame.draw.rect(screen,self.color,self.rect,2)
pygame.draw.rect(screen,(255,255,255),self.inner_rect)
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((640,480))
color_inactive = pygame.Color('lightskyblue3')
color_active = pygame.Color('dodgerblue2')
font = pygame.font.Font(None,32)
input_Box1 = InputBox(100,100,140,32,font)
input_Box2 = InputBox(100,300,font)
input_Boxes = [input_Box1,input_Box2]
done = False
while not done:
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
for Box in input_Boxes:
Box.handle_event(event)
for Box in input_Boxes:
Box.update()
screen.fill((30,30,30))
for Box in input_Boxes:
Box.draw(screen)
pygame.display.flip()
我得到的结果是文本在输入文本框背景后面(查看屏幕截图)
我希望文本位于前景中。
我试图改变循环开始和结束处 screen.fill((30,30))
的位置,但没有奏效。
有谁知道如何解决这个问题?
提前致谢。
解决方法
我得到的结果是文本在输入后面
因此,您必须在文本之前绘制背景:
class InputBox:
# [...]
def draw(self,screen):
# Draw the background of the text box
pygame.draw.rect(screen,(255,255,255),self.inner_rect)
# Blit the text.
screen.blit(self.txt_surface,(self.rect.x+5,self.rect.y+5))
# Blit the rect.
pygame.draw.rect(screen,self.color,self.rect,2)
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