def _PositionWidgets(self): # Retrieve the screen. screen = GetScreen() screenDimensions = GetDimensions(screen) # Calculate the positions of texts and buttons. titleDimensions = self._titleLabel.GetDimensions() messageDimensions = self._messageLabel.GetDimensions() continueButtonDimensions = self._continueButton.GetDimensions() titleAndMessageBundleHeight = titleDimensions.Y + messageDimensions.Y self._titleLabel.SetPosition(Vector( (screenDimensions.X - titleDimensions.X) / 2, (screenDimensions.Y - Parameters.Margin - continueButtonDimensions.Y - titleAndMessageBundleHeight) / 2, )) self._messageLabel.SetPosition(Vector( (screenDimensions.X - messageDimensions.X) / 2, self._titleLabel.GetPosition().Y + titleDimensions.Y, )) self._continueButton.SetPosition(Vector( (screenDimensions.X - continueButtonDimensions.X) / 2, screenDimensions.Y - Parameters.Margin - continueButtonDimensions.Y, ))
def SpreadHorizontally(destinationSurface,
widgets,
verticalPosition,
margin=None):
destinationDimensions = GetDimensions(destinationSurface)
if margin:
destinationDimensions.X -= 2 * margin
widgetDimensions = [x.GetDimensions() for x in widgets]
totalWidth = sum([x.X for x in widgetDimensions])
spaceCount = len(widgets) - 1
spaceWidth = (destinationDimensions.X - totalWidth) / spaceCount
sumOfWidths = 0
numberOfSpaces = 0
for index in range(len(widgets)):
currentPosition = (0 if not margin else
margin) + sumOfWidths + numberOfSpaces * spaceWidth
position = Vector(currentPosition, verticalPosition)
widgets[index].SetPosition(position)
sumOfWidths += widgetDimensions[index].X
numberOfSpaces += 1
def _GenerateSprites(self):
# Render the text itself.
textSurface = RenderText(self._text, self._font, self._textColor)
textSurfaceDimensions = GetDimensions(textSurface)
# Create both surfaces.
surfaceDimensions = textSurfaceDimensions + (Padding * 2)
if self._minimumWidth:
surfaceDimensions.X = max(self._minimumWidth, surfaceDimensions.X)
self._activeSurface = Surface(tuple(surfaceDimensions), SRCALPHA)
self._inactiveSurface = self._activeSurface.copy()
RenderRoundedRectangle(self._activeSurface, Vector(),
surfaceDimensions, (50, 50, 255, 255))
RenderRoundedRectangle(self._inactiveSurface, Vector(),
surfaceDimensions, (50, 50, 255, 32))
# Draw text on both surfaces.
textPosition = Vector(
(surfaceDimensions.X - textSurfaceDimensions.X) / 2, Padding.Y)
Blit(self._activeSurface, textSurface, textPosition)
Blit(self._inactiveSurface, textSurface, textPosition)
# Set the inactive surface as the current surface.
self.SetSurface(self._inactiveSurface)
def InterpolateToScale(surface, scale):
dimensions = GetDimensions(surface) * scale
dimensions.X = int(dimensions.X)
dimensions.Y = int(dimensions.Y)
return InterpolateToDimensions(surface, dimensions)
def MoveToTheBottom(destinationSurface, widgets, margin=None):
destinationDimensions = GetDimensions(destinationSurface)
for widget in widgets:
position = widget.GetPosition()
dimensions = widget.GetDimensions()
position.Y = destinationDimensions.Y - (margin if margin else
0) - dimensions.Y
widget.SetPosition(position)
def _GenerateSurface(self):
if not self._text:
self.SetSurface(None)
return
# Render the text.
textSurface = RenderText(self._text, self._font, self._textColor)
textSurfaceDimensions = GetDimensions(textSurface)
# Set the text surface as the current surface.
self.SetSurface(textSurface)
def _PositionWidgets(self):
# Retrieve the screen and its dimensions.
screen = GetScreen()
screenDimensions = GetDimensions(screen)
# Position the top labels.
labels = [self._creator, self._version]
SpreadHorizontally(screen, labels, Parameters.Margin,
Parameters.Margin)
# Position the buttons.
buttons = [self._newGameButton, self._quitButton]
SpreadHorizontally(screen, buttons, 0, Parameters.Margin)
MoveToTheBottom(screen, buttons, Parameters.Margin)
# Position the title.
labelsPartHeight = Parameters.Margin + max(
[x.GetDimensions().Y for x in labels])
buttonsPartHeight = Parameters.Margin + max(
[x.GetDimensions().Y for x in buttons])
titleDimensions = self._title.GetDimensions()
self._title.SetPosition(
Vector(
(screenDimensions - titleDimensions).X / 2,
labelsPartHeight + (screenDimensions.Y - titleDimensions.Y -
labelsPartHeight - buttonsPartHeight) / 2,
))
def SetSurface(self, surface):
self._surface = surface
self._dimensions = GetDimensions(self._surface)
def GetDimensions(self): return GetDimensions(self._surfaces[0])