import pygame
+import pygame.locals as pgl
-from naja.constants import FONT, FONT_SIZE, EIGHT_BIT_SCALE, PALETTE
+from naja.constants import FONT, FONT_SIZE, EIGHT_BIT_SCALE, PALETTE, KEYS
from naja.resources import resources
from naja.resources.mutators import EIGHT_BIT, blender
from naja.utils import convert_colour
class TextWidget(Widget):
- def __init__(self, pos, text, size=None, fontname=None, fontsize=None,
- colour=None, unselectable_colour=None):
- super(TextWidget, self).__init__(pos, size)
+ VIEW_PORT_DY = 50
+
+ def __init__(self, pos, text, fontname=None, fontsize=None,
+ colour=None, unselectable_colour=None, view_port=None):
+ super(TextWidget, self).__init__(pos)
self.text = text
self.fontname = fontname or FONT
if unselectable_colour is not None:
unselectable_colour = convert_colour(unselectable_colour)
self.unselectable_colour = unselectable_colour
+ self.view_port = (
+ pygame.Rect((0, 0), view_port) if view_port is not None else None)
def render_line(self, text):
colour = self.colour
text_surf, (text_rect.width * EIGHT_BIT_SCALE,
text_rect.height * EIGHT_BIT_SCALE))
+ def update_size(self):
+ if self.view_port is not None:
+ self.size = self.view_port.size
+ else:
+ self.size = self.surface.get_rect().size
+
def prepare(self):
self.font = resources.get_font(self.fontname, self.fontsize)
self.surface = self.render_line(self.text)
- self.size = self.surface.get_rect().size
+ self.update_size()
+
+ def handle_event(self, ev):
+ if self.view_port is None:
+ return super(TextWidget, self).handle_event(ev)
+ if ev.type == pgl.KEYDOWN:
+ if ev.key in KEYS.DOWN:
+ self.view_port.move_ip(0, self.VIEW_PORT_DY)
+ if self.view_port.bottom > self.surface.get_rect().bottom:
+ self.view_port.bottom = self.surface.get_rect().bottom
+ return True
+ elif ev.key in KEYS.UP:
+ self.view_port.move_ip(0, -self.VIEW_PORT_DY)
+ if self.view_port.top < 0:
+ self.view_port.top = 0
+ return True
+ return super(TextWidget, self).handle_event(ev)
def draw(self, surface):
- surface.blit(self.surface, self.rect)
+ if self.view_port is None:
+ rect = self.rect
+ area = None
+ else:
+ rect = self.pos
+ area = self.view_port
+ surface.blit(self.surface, rect, area)
class TextBoxWidget(TextWidget):
line_count = 0
for line in self.text.splitlines():
+ line = line.strip()
+ if not line:
+ line_count += 1
+ yield line
+ continue
current_words = []
remaining_words = line.split()
while remaining_words:
self.surface = pygame.surface.Surface((width, height),
pygame.locals.SRCALPHA)
self.surface.fill(self.bg_colour)
- self.size = self.surface.get_rect().size
+ self.update_size()
x, y = self.padding, self.padding
for line_surface in rendered_lines: