+++ /dev/null
-"""All sliders and scroll bar widgets have the same parameters.
-
-<pre>Slider(value,min,max,size)</pre>
-<dl>
-<dt>value<dd>initial value
-<dt>min<dd>minimum value
-<dt>max<dd>maximum value
-<dt>size<dd>size of bar in pixels
-</dl>
-"""
-import pygame
-from pygame.locals import *
-
-from const import *
-import widget
-import table
-import basic
-import pguglobals
-
-_SLIDER_HORIZONTAL = 0
-_SLIDER_VERTICAL = 1
-
-class _slider(widget.Widget):
- def __init__(self,value,orient,min,max,size,step=1,**params):
- params.setdefault('cls','slider')
- widget.Widget.__init__(self,**params)
- self.min,self.max,self.value,self.orient,self.size,self.step = min,max,value,orient,size,step
-
-
- def paint(self,s):
-
- self.value = self.value
- r = pygame.rect.Rect(0,0,self.style.width,self.style.height)
- if self.orient == _SLIDER_HORIZONTAL:
- r.x = (self.value-self.min) * (r.w-self.size) / max(1,self.max-self.min);
- r.w = self.size;
- else:
- r.y = (self.value-self.min) * (r.h-self.size) / max(1,self.max-self.min);
- r.h = self.size;
-
- self.bar = r
-
- pguglobals.app.theme.render(s,self.style.bar,r)
-
- def event(self,e):
- used = None
- r = pygame.rect.Rect(0,0,self.style.width,self.style.height)
- adj = 0
- if e.type == ENTER: self.repaint()
- elif e.type == EXIT: self.repaint()
- elif e.type == MOUSEBUTTONDOWN:
- if self.bar.collidepoint(e.pos):
- self.grab = e.pos[0],e.pos[1]
- self.grab_value = self.value
- else:
- x,y,adj = e.pos[0],e.pos[1],1
- self.grab = None
- self.repaint()
- elif e.type == MOUSEBUTTONUP:
- #x,y,adj = e.pos[0],e.pos[1],1
- self.repaint()
- elif e.type == MOUSEMOTION:
- if 1 in e.buttons and self.container.myfocus is self:
- if self.grab != None:
- rel = e.pos[0]-self.grab[0],e.pos[1]-self.grab[1]
- if self.orient == _SLIDER_HORIZONTAL:
- d = (r.w - self.size)
- if d != 0: self.value = self.grab_value + ((self.max-self.min) * rel[0] / d)
- else:
- d = (r.h - self.size)
- if d != 0: self.value = self.grab_value + ((self.max-self.min) * rel[1] / d)
- else:
- x,y,adj = e.pos[0],e.pos[1],1
-
- elif e.type is KEYDOWN:
- if self.orient == _SLIDER_HORIZONTAL and e.key == K_LEFT:
- self.value -= self.step
- used = True
- elif self.orient == _SLIDER_HORIZONTAL and e.key == K_RIGHT:
- self.value += self.step
- used = True
- elif self.orient == _SLIDER_VERTICAL and e.key == K_UP:
- self.value -= self.step
- used = True
- elif self.orient == _SLIDER_VERTICAL and e.key == K_DOWN:
- self.value += self.step
- used = True
-
- if adj:
- if self.orient == _SLIDER_HORIZONTAL:
- d = self.size/2 - (r.w/(self.max-self.min+1))/2
- self.value = (x-d) * (self.max-self.min) / (r.w-self.size+1) + self.min
- else:
- d = self.size/2 - (r.h/(self.max-self.min+1))/2
- self.value = (y-d) * (self.max-self.min) / (r.h-self.size+1) + self.min
-
- self.pcls = ""
- if self.container.myhover is self: self.pcls = "hover"
- if (self.container.myfocus is self and 1 in pygame.mouse.get_pressed()): self.pcls = "down"
-
- return used
-
-
- def __setattr__(self,k,v):
- if k == 'value':
- v = int(v)
- v = max(v,self.min)
- v = min(v,self.max)
- _v = self.__dict__.get(k,NOATTR)
- self.__dict__[k]=v
- if k == 'value' and _v != NOATTR and _v != v:
- self.send(CHANGE)
- self.repaint()
-
- if hasattr(self,'size'):
- sz = min(self.size,max(self.style.width,self.style.height))
- sz = max(sz,min(self.style.width,self.style.height))
- self.__dict__['size'] = sz
-
- if hasattr(self,'max') and hasattr(self,'min'):
- if self.max < self.min: self.max = self.min
-
-class VSlider(_slider):
- """A verticle slider.
-
- <pre>VSlider(value,min,max,size)</pre>
- """
- def __init__(self,value,min,max,size,step=1,**params):
- params.setdefault('cls','vslider')
- _slider.__init__(self,value,_SLIDER_VERTICAL,min,max,size,step,**params)
-
-class HSlider(_slider):
- """A horizontal slider.
-
- <pre>HSlider(value,min,max,size)</pre>
- """
- def __init__(self,value,min,max,size,step=1,**params):
- params.setdefault('cls','hslider')
- _slider.__init__(self,value,_SLIDER_HORIZONTAL,min,max,size,step,**params)
-
-class HScrollBar(table.Table):
- """A horizontal scroll bar.
-
- <pre>HScrollBar(value,min,max,size,step=1)</pre>
- """
- def __init__(self,value,min,max,size,step=1,**params):
- params.setdefault('cls','hscrollbar')
-
- table.Table.__init__(self,**params)
-
- self.slider = _slider(value,_SLIDER_HORIZONTAL,min,max,size,step=step,cls=self.cls+'.slider')
-
- self.minus = basic.Image(self.style.minus)
- self.minus.connect(MOUSEBUTTONDOWN,self._click,-1)
- self.slider.connect(CHANGE,self.send,CHANGE)
-
- self.minus2 = basic.Image(self.style.minus)
- self.minus2.connect(MOUSEBUTTONDOWN,self._click,-1)
-
- self.plus = basic.Image(self.style.plus)
- self.plus.connect(MOUSEBUTTONDOWN,self._click,1)
-
- self.size = size
-
- def _click(self,value):
- self.slider.value += self.slider.step*value
-
- def resize(self,width=None,height=None):
- self.clear()
- self.tr()
-
- w = self.style.width
- h = self.slider.style.height
- ww = 0
-
- if w > (h*2 + self.minus.style.width+self.plus.style.width):
- self.td(self.minus)
- ww += self.minus.style.width
-
- self.td(self.slider)
-
- if w > (h*2 + self.minus.style.width+self.minus2.style.width+self.plus.style.width):
- self.td(self.minus2)
- ww += self.minus2.style.width
-
- if w > (h*2 + self.minus.style.width+self.plus.style.width):
- self.td(self.plus)
- ww += self.plus.style.width
-
-
- #HACK: handle theme sizing properly
- xt,xr,xb,xl = pguglobals.app.theme.getspacing(self.slider)
- ww += xr+xl
-
- self.slider.style.width = self.style.width - ww
- setattr(self.slider,'size',self.size * self.slider.style.width / max(1,self.style.width))
- return table.Table.resize(self,width,height)
-
-
- def __setattr__(self,k,v):
- if k in ('min','max','value','step'):
- return setattr(self.slider,k,v)
- self.__dict__[k]=v
-
- def __getattr__(self,k):
- if k in ('min','max','value','step'):
- return getattr(self.slider,k)
- return table.Table.__getattr__(self,k) #self.__dict__[k]
-
-class VScrollBar(table.Table):
- """A vertical scroll bar.
-
- <pre>VScrollBar(value,min,max,size,step=1)</pre>
- """
- def __init__(self,value,min,max,size,step=1,**params):
- params.setdefault('cls','vscrollbar')
-
- table.Table.__init__(self,**params)
-
- self.minus = basic.Image(self.style.minus)
- self.minus.connect(MOUSEBUTTONDOWN,self._click,-1)
-
- self.minus2 = basic.Image(self.style.minus)
- self.minus2.connect(MOUSEBUTTONDOWN,self._click,-1)
-
- self.plus = basic.Image(self.style.plus)
- self.plus.connect(MOUSEBUTTONDOWN,self._click,1)
-
- self.slider = _slider(value,_SLIDER_VERTICAL,min,max,size,step=step,cls=self.cls+'.slider')
- self.slider.connect(CHANGE,self.send,CHANGE)
-
- self.size = size
-
- def _click(self,value):
- self.slider.value += self.slider.step*value
-
- def resize(self,width=None,height=None):
- self.clear()
-
- h = self.style.height
- w = self.slider.style.width
- hh = 0
-
- if h > (w*2 + self.minus.style.height+self.plus.style.height):
- self.tr()
- self.td(self.minus)
- hh += self.minus.style.height
-
- self.tr()
- self.td(self.slider)
-
- if h > (w*2 + self.minus.style.height+self.minus2.style.height+self.plus.style.height):
- self.tr()
- self.td(self.minus2)
- hh += self.minus2.style.height
-
- if h > (w*2 + self.minus.style.height+self.plus.style.height):
- self.tr()
- self.td(self.plus)
- hh += self.plus.style.height
-
-
- #HACK: handle theme sizing properly
- xt,xr,xb,xl = pguglobals.app.theme.getspacing(self.slider)
- hh += xt+xb
-
- self.slider.style.height = self.style.height - hh
- setattr(self.slider,'size',self.size * self.slider.style.height / max(1,self.style.height))
- return table.Table.resize(self,width,height)
-
- def __setattr__(self,k,v):
- if k in ('min','max','value','step'):
- return setattr(self.slider,k,v)
- self.__dict__[k]=v
-
- def __getattr__(self,k):
- if k in ('min','max','value','step'):
- return getattr(self.slider,k)
- return table.Table.__getattr__(self,k)
projects / minwii.git / blobdiff