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#
# Ceibal Chess - A chess activity for Sugar.
# Copyright (C) 2008, 2009 Alejandro Segovia <asegovi@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
import pygame
import os
import logging
from resourcemanager import image_manager
log = logging.getLogger()
class Menu:
def __init__(self, screen_w, screen_h, options):
'''The Game menu for selecting the play mode or quitting.
options contains a list of options, such as:
["New CPU Game", "New PvP Game", "Quit Ceibal-Chess"].
The option clicked by the user is returned by the on_click
method'''
self.scr_w = screen_w
self.scr_h = screen_h
self.bg_w = 2 * screen_w / 3
self.bg_h = 2 * screen_h / 3 + 20
self.font = None
self.visible = False
self.btn_back_img = None
self.menu_back_img = None
self.options = options
self.option_coords = []
for option in self.options:
self.option_coords.append((0,0))
def toggle_visible(self):
if self.visible:
self.visible = False
else:
self.visible = True
def render(self, surface):
if not self.visible:
return
if self.font is None:
self.font = pygame.font.Font(None, 30)
#Render bg:
bg_x = (self.scr_w - self.bg_w) / 2
bg_y = (self.scr_h - self.bg_h) / 2
if not self.menu_back_img:
self.load_menu_bg("menu_back.png")
surface.blit(self.menu_back_img, pygame.Rect(bg_x, bg_y, self.bg_w, self.bg_h))
#Render menu options:
entry_w = 2 * self.bg_w / 3
entry_x = bg_x + (self.bg_w - entry_w) / 2
entry_y = bg_y + (self.bg_h - (self.font.get_height()+ 40 + 20)*len(self.options)) / 2
#print "bg_h:", self.bg_h, "entries_height:", (self.font.get_height()+20)*len(self.options)
for i in range(0, len(self.options)):
option = self.options[i]
#text_sface = self.font.render(option, 1, (255, 255, 255))
text_sface = self.font.render(option, 1, (170, 88, 0))
entry_h = text_sface.get_height() + 20
#Button background:
if not self.btn_back_img:
self.btn_back_img = image_manager.get_image("btn_back.png")
entry_x = bg_x + (self.bg_w - self.btn_back_img.get_width()) / 2
surface.blit(self.btn_back_img, pygame.Rect(entry_x, entry_y, entry_w, entry_h))
#Button text:
x = entry_x + (self.btn_back_img.get_width() - text_sface.get_width())/2
surface.blit(text_sface, (x, entry_y+(self.btn_back_img.get_height()-text_sface.get_height())/2))
#self.option_coords[i] = (entry_x, entry_y, entry_x+entry_w, entry_y+entry_h)
self.option_coords[i] = (entry_x, entry_y, entry_x+self.btn_back_img.get_width(), \
entry_y+self.btn_back_img.get_height())
entry_y += entry_h + 40
def on_click(self, x, y):
if not self.visible:
raise Exception("Called on_click on the menu while it was hidden!")
for i in range(0, len(self.options)):
coords = self.option_coords[i]
if x > coords[0] and x < coords[2] and y > coords[1] and y < coords[3]:
log.debug("Selected %s", self.options[i])
return self.options[i]
return None
def load_menu_bg(self, filename):
'''Load an image file from the data directory and store it in dest'''
bg1 = image_manager.get_image(filename)
bg2 = image_manager.get_image("menu_back2.png")
bg1 = pygame.transform.scale(bg1, (self.bg_w, self.bg_h))
bg2 = pygame.transform.scale(bg2, (int(self.bg_w/1.1), int(self.bg_h/1.1)))
self.menu_back_img = bg1
tx = (bg1.get_width()-bg2.get_width())/2
ty = (bg1.get_height()-bg2.get_height())/2
self.menu_back_img.blit(bg2, bg2.get_rect().move(tx, ty))
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