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Add invoking functions when UiButton click

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This commit is contained in:
Michał Czekański 2020-04-04 18:26:19 +02:00
parent 6fc3a3155d
commit b01eaafdc4
1 changed files with 14 additions and 2 deletions
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16
src/ui/UiButton.py
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@ -1,5 +1,4 @@
from enum import Enum
import pygame
from src.ui.UiElement import UiElement
@ -8,7 +7,10 @@ from src.ui.UiElement import UiElement
class UiButton(UiElement):
def __init__(self, rect: pygame.Rect, notClickedBtnColor=(125, 125, 125), clickedBtnColor=(255, 255, 255),
text="Click", textColor=(0, 0, 0), font=None):
text="Click", textColor=(0, 0, 0), font=None, functionsToInvokeWhenClicked=[]):
"""
:type functionsToInvokeWhenClicked : list of tuple(function, args*), args are function arguments
"""
super().__init__(rect)
if font is None:
self.font = pygame.font.Font(None, 25)
@ -21,6 +23,8 @@ class UiButton(UiElement):
self.beingClicked = False
self.image = self._images[0]
self.functionsToInvokeWhenClicked = functionsToInvokeWhenClicked
def eventHandler(self, event):
# change selected color if rectangle clicked
if event.type == pygame.MOUSEBUTTONDOWN:
@ -28,6 +32,8 @@ class UiButton(UiElement):
if self.rect.collidepoint(event.pos): # is mouse over button
self.image = self._images[ButtonImages.CLICKING_IMAGE.value]
self.beingClicked = True
for func, *args in self.functionsToInvokeWhenClicked:
func(*args)
elif event.type == pygame.MOUSEBUTTONUP and self.beingClicked:
if event.button == 1:
self.beingClicked = False
@ -46,6 +52,12 @@ class UiButton(UiElement):
self._images[0].blit(self.textSurface, self.textSurfaceDest)
self._images[1].blit(self.textSurface, self.textSurfaceDest)
def addFuncToInvoke(self, tupleOfFuncAndArgs):
"""
:type tupleOfFuncAndArgs: tuple(function, *args)
"""
self.functionsToInvokeWhenClicked.append(tupleOfFuncAndArgs)
class ButtonImages(Enum):
DEFAULT_IMAGE = 0