If you wish to create your own theme, create a class with this interface, and - pass it to gui.App via gui.App(theme=MyTheme()).
- - Default Theme - -Theme(dirs='default')-
- theme = gui.Theme("default")
- theme = gui.Theme(["mytheme","mytheme2"])
-
- """
- def __init__(self,dirs='default'):
- self.config = {}
- self.dict = {}
- self._loaded = []
- self.cache = {}
- self._preload(dirs)
- pygame.font.init()
-
- def _preload(self,ds):
- if not isinstance(ds, list):
- ds = [ds]
- for d in ds:
- if d not in self._loaded:
- self._load(d)
- self._loaded.append(d)
-
- def _load(self, name):
- #theme_dir = themes[name]
-
- #try to load the local dir, or absolute path
- dnames = [name]
-
- #if the package isn't installed and people are just
- #trying out the scripts or examples
- dnames.append(os.path.join(os.path.dirname(__file__),"..","..","data","themes",name))
-
- #if the package is installed, and the package is installed
- #in /usr/lib/python2.3/site-packages/pgu/
- #or c:\python23\lib\site-packages\pgu\
- #the data is in ... lib/../share/ ...
- dnames.append(os.path.join(os.path.dirname(__file__),"..","..","..","..","share","pgu","themes",name))
- dnames.append(os.path.join(os.path.dirname(__file__),"..","..","..","..","..","share","pgu","themes",name))
- dnames.append(os.path.join(os.path.dirname(__file__),"..","..","share","pgu","themes",name))
- for dname in dnames:
- if os.path.isdir(dname): break
- if not os.path.isdir(dname):
- raise 'could not find theme '+name
-
- fname = os.path.join(dname,"config.txt")
- if os.path.isfile(fname):
- try:
- f = open(fname)
- for line in f.readlines():
- vals = line.strip().split()
- if len(vals) < 3: continue
- cls = vals[0]
- del vals[0]
- pcls = ""
- if cls.find(":")>=0:
- cls,pcls = cls.split(":")
- attr = vals[0]
- del vals[0]
- self.config[cls+":"+pcls+" "+attr] = (dname, vals)
- finally:
- f.close()
- fname = os.path.join(dname,"style.ini")
- if os.path.isfile(fname):
- import ConfigParser
- cfg = ConfigParser.ConfigParser()
- f = open(fname,'r')
- cfg.readfp(f)
- for section in cfg.sections():
- cls = section
- pcls = ''
- if cls.find(":")>=0:
- cls,pcls = cls.split(":")
- for attr in cfg.options(section):
- vals = cfg.get(section,attr).strip().split()
- self.config[cls+':'+pcls+' '+attr] = (dname,vals)
-
- is_image = re.compile('\.(gif|jpg|bmp|png|tga)$', re.I)
- def _get(self,key):
- if not key in self.config: return
- if key in self.dict: return self.dict[key]
- dvals = self.config[key]
- dname, vals = dvals
- #theme_dir = themes[name]
- v0 = vals[0]
- if v0[0] == '#':
- v = parse_color(v0)
- #if (len(v0) == 7):
- # # Due to a bug in pygame 1.8 (?) we need to explicitly
- # # specify the alpha value (otherwise it defaults to zero)
- # v0 += "FF"
- #v = pygame.color.Color(v0)
- elif v0.endswith(".ttf") or v0.endswith(".TTF"):
- v = pygame.font.Font(os.path.join(dname, v0),int(vals[1]))
- elif self.is_image.search(v0) is not None:
- v = pygame.image.load(os.path.join(dname, v0))
- else:
- try: v = int(v0)
- except: v = pygame.font.SysFont(v0, int(vals[1]))
- self.dict[key] = v
- return v
-
- def get(self,cls,pcls,attr):
- """Interface method -- get the value of a style attribute.
-
- Theme.get(cls,pcls,attr): return value- -
returns the value of the attribute.
- -This method is called from [[gui-style]].
- """ - - if not self._loaded: self._preload("default") - - o = cls+":"+pcls+" "+attr - - #if not hasattr(self,'_count'): - # self._count = {} - #if o not in self._count: self._count[o] = 0 - #self._count[o] += 1 - - if o in self.cache: - return self.cache[o] - - v = self._get(cls+":"+pcls+" "+attr) - if v: - self.cache[o] = v - return v - - pcls = "" - v = self._get(cls+":"+pcls+" "+attr) - if v: - self.cache[o] = v - return v - - cls = "default" - v = self._get(cls+":"+pcls+" "+attr) - if v: - self.cache[o] = v - return v - - v = 0 - self.cache[o] = v - return v - - def box(self,w,s): - style = w.style - - c = (0,0,0) - if style.border_color != 0: c = style.border_color - w,h = s.get_width(),s.get_height() - - s.fill(c,(0,0,w,style.border_top)) - s.fill(c,(0,h-style.border_bottom,w,style.border_bottom)) - s.fill(c,(0,0,style.border_left,h)) - s.fill(c,(w-style.border_right,0,style.border_right,h)) - - - def getspacing(self,w): - # return the top, right, bottom, left spacing around the widget - if not hasattr(w,'_spacing'): #HACK: assume spacing doesn't change re pcls - s = w.style - xt = s.margin_top+s.border_top+s.padding_top - xr = s.padding_right+s.border_right+s.margin_right - xb = s.padding_bottom+s.border_bottom+s.margin_bottom - xl = s.margin_left+s.border_left+s.padding_left - w._spacing = xt,xr,xb,xl - return w._spacing - - - def resize(self,w,m): - # Returns the rectangle expanded in each direction - def expand_rect(rect, left, top, right, bottom): - return pygame.Rect(rect.x - left, - rect.y - top, - rect.w + left + right, - rect.h + top + bottom) - - def func(width=None,height=None): - s = w.style - - pt,pr,pb,pl = s.padding_top,s.padding_right,s.padding_bottom,s.padding_left - bt,br,bb,bl = s.border_top,s.border_right,s.border_bottom,s.border_left - mt,mr,mb,ml = s.margin_top,s.margin_right,s.margin_bottom,s.margin_left - # Calculate the total space on each side - top = pt+bt+mt - right = pr+br+mr - bottom = pb+bb+mb - left = pl+bl+ml - ttw = left+right - tth = top+bottom - - ww,hh = None,None - if width != None: ww = width-ttw - if height != None: hh = height-tth - ww,hh = m(ww,hh) - - if width == None: width = ww - if height == None: height = hh - - #if the widget hasn't respected the style.width, - #style height, we'll add in the space for it... - width = max(width-ttw, ww, w.style.width) - height = max(height-tth, hh, w.style.height) - - #width = max(ww,w.style.width-tw) - #height = max(hh,w.style.height-th) - - r = pygame.Rect(left,top,width,height) - - w._rect_padding = expand_rect(r, pl, pt, pr, pb) - w._rect_border = expand_rect(w._rect_padding, bl, bt, br, bb) - w._rect_margin = expand_rect(w._rect_border, ml, mt, mr, mb) - - #w._rect_padding = pygame.Rect(r.x-pl,r.y-pt,r.w+pl+pr,r.h+pt+pb) - #r = w._rect_padding - #w._rect_border = pygame.Rect(r.x-bl,r.y-bt,r.w+bl+br,r.h+bt+bb) - #r = w._rect_border - #w._rect_margin = pygame.Rect(r.x-ml,r.y-mt,r.w+ml+mr,r.h+mt+mb) - - # align it within it's zone of power. - rect = pygame.Rect(left, top, ww, hh) - dx = width-rect.w - dy = height-rect.h - rect.x += (w.style.align+1)*dx/2 - rect.y += (w.style.valign+1)*dy/2 - - w._rect_content = rect - - return (w._rect_margin.w, w._rect_margin.h) - return func - - - def paint(self,w,m): - def func(s): -# if w.disabled: -# if not hasattr(w,'_disabled_bkgr'): -# w._disabled_bkgr = s.convert() -# orig = s -# s = w._disabled_bkgr.convert() - -# if not hasattr(w,'_theme_paint_bkgr'): -# w._theme_paint_bkgr = s.convert() -# else: -# s.blit(w._theme_paint_bkgr,(0,0)) -# -# if w.disabled: -# orig = s -# s = w._theme_paint_bkgr.convert() - - if w.disabled: - if (not (hasattr(w,'_theme_bkgr') and - w._theme_bkgr.get_width() == s.get_width() and - w._theme_bkgr.get_height() == s.get_height())): - w._theme_bkgr = s.copy() - orig = s - s = w._theme_bkgr - s.fill((0,0,0,0)) - s.blit(orig,(0,0)) - - if hasattr(w,'background'): - w.background.paint(surface.subsurface(s,w._rect_border)) - self.box(w,surface.subsurface(s,w._rect_border)) - r = m(surface.subsurface(s,w._rect_content)) - - if w.disabled: - s.set_alpha(128) - orig.blit(s,(0,0)) - -# if w.disabled: -# orig.blit(w._disabled_bkgr,(0,0)) -# s.set_alpha(128) -# orig.blit(s,(0,0)) - - w._painted = True - return r - return func - - def event(self,w,m): - def func(e): - rect = w._rect_content - if e.type == MOUSEBUTTONUP or e.type == MOUSEBUTTONDOWN: - sub = pygame.event.Event(e.type,{ - 'button':e.button, - 'pos':(e.pos[0]-rect.x,e.pos[1]-rect.y)}) - elif e.type == CLICK: - sub = pygame.event.Event(e.type,{ - 'button':e.button, - 'pos':(e.pos[0]-rect.x,e.pos[1]-rect.y)}) - elif e.type == MOUSEMOTION: - sub = pygame.event.Event(e.type,{ - 'buttons':e.buttons, - 'pos':(e.pos[0]-rect.x,e.pos[1]-rect.y), - 'rel':e.rel}) - else: - sub = e - r = m(sub) - return r - return func - - def update(self,w,m): - def func(s): - if w.disabled: return [] - r = m(surface.subsurface(s,w._rect_content)) - if type(r) == list: - dx,dy = w._rect_content.topleft - for rr in r: - rr.x,rr.y = rr.x+dx,rr.y+dy - return r - return func - - def open(self,w,m): - def func(widget=None,x=None,y=None): - if not hasattr(w,'_rect_content'): w.rect.w,w.rect.h = w.resize() #HACK: so that container.open won't resize again! - rect = w._rect_content - ##print w.__class__.__name__, rect - if x != None: x += rect.x - if y != None: y += rect.y - return m(widget,x,y) - return func - - #def open(self,w,m): - # def func(widget=None): - # return m(widget) - # return func - - def decorate(self,widget,level): - """Interface method -- decorate a widget. - -The theme system is given the opportunity to decorate a widget methods at the - end of the Widget initializer.
- -Theme.decorate(widget,level)- -
Theme.render(s,box,r)- -