def load_graphics(self):
theme = self.theme[self.get_path()]
self._button = theme['image'].generate(theme['gui_color'],
**self.get_batch('background'))
self._label = Label(self.label,
font_name=theme['font'],
font_size=theme['font_size'],
color=theme['text_color'],
**self.get_batch('foreground'))
def load_graphics(self):
theme = self.theme[self.get_path()]
self._button = theme['image'].generate(theme['gui_color'], **self.get_batch('background'))
self._label = Label(self.label,
font_name=theme['font'],
font_size=theme['font_size'],
color=theme['text_color'],
**self.get_batch('foreground'))
class Button(TwoStateController, Viewer):
def __init__(self, label="", is_pressed=False, on_press=None):
TwoStateController.__init__(self, is_pressed=is_pressed, on_press=on_press)
Viewer.__init__(self)
self.label = label
# graphics
self._label = None
self._button = None
def change_state(self):
self._is_pressed = not self._is_pressed
self.reload()
self.reset_size()
self._on_press(self._is_pressed)
def hit_test(self, x, y):
return self.is_inside(x, y)
def on_mouse_press(self, x, y, button, modifiers):
self.change_state()
def get_path(self):
path = ['button']
if self.is_pressed:
path.append('down')
else:
path.append('up')
return path
def load_graphics(self):
theme = self.theme[self.get_path()]
self._button = theme['image'].generate(theme['gui_color'], **self.get_batch('background'))
self._label = Label(self.label,
font_name=theme['font'],
font_size=theme['font_size'],
color=theme['text_color'],
**self.get_batch('foreground'))
def unload_graphics(self):
self._button.unload()
self._label.unload()
def compute_size(self):
# Treat the height of the label as ascent + descent
font = self._label.document.get_font()
height = font.ascent - font.descent
return self._button.get_needed_size(self._label.content_width, height)
def layout(self):
self._button.update(self.x, self.y, self.width, self.height)
# centers the label on the middle of the button
x, y, width, height = self._button.get_content_region()
font = self._label.document.get_font()
self._label.x = x + width/2 - self._label.content_width/2
self._label.y = y + height/2 - font.ascent/2 - font.descent
self._label.update()
def delete(self):
TwoStateController.delete(self)
Viewer.delete(self)
class Button(TwoStateController, Viewer):
def __init__(self, label="", is_pressed=False, on_press=None):
TwoStateController.__init__(self,
is_pressed=is_pressed,
on_press=on_press)
Viewer.__init__(self)
self.label = label
# graphics
self._label = None
self._button = None
def change_state(self):
self._is_pressed = not self._is_pressed
self.reload()
self.reset_size()
self._on_press(self._is_pressed)
def hit_test(self, x, y):
return self.is_inside(x, y)
def on_mouse_press(self, x, y, button, modifiers):
self.change_state()
def get_path(self):
path = ['button']
if self.is_pressed:
path.append('down')
else:
path.append('up')
return path
def load_graphics(self):
theme = self.theme[self.get_path()]
self._button = theme['image'].generate(theme['gui_color'],
**self.get_batch('background'))
self._label = Label(self.label,
font_name=theme['font'],
font_size=theme['font_size'],
color=theme['text_color'],
**self.get_batch('foreground'))
def unload_graphics(self):
self._button.unload()
self._label.unload()
def compute_size(self):
# Treat the height of the label as ascent + descent
font = self._label.document.get_font()
height = font.ascent - font.descent
return self._button.get_needed_size(self._label.content_width, height)
def layout(self):
self._button.update(self.x, self.y, self.width, self.height)
# centers the label on the middle of the button
x, y, width, height = self._button.get_content_region()
font = self._label.document.get_font()
self._label.x = x + width / 2 - self._label.content_width / 2
self._label.y = y + height / 2 - font.ascent / 2 - font.descent
self._label.update()
def delete(self):
TwoStateController.delete(self)
Viewer.delete(self)
