lib/python/Screens/PiPSetup.py

   1 from Screens.Screen import Screen
   2 from Components.ActionMap import NumberActionMap
   3 from Components.Label import Label
   4
   5 # this is not so great.
   6 MAX_X = 720
   7 MAX_Y = 576
   8 MAX_W = MAX_X * 3 / 4
   9 MAX_H = MAX_Y * 3 / 4
  10 MIN_W = MAX_X / 8
  11 MIN_H = MAX_Y / 8
  12
  13 def clip(val, min, max):
  14         if min <= val <= max:
  15                 return val
  16         if min <= val:
  17                 return max
  18         return min
  19
  20 class PiPSetup(Screen):
  21         def __init__(self, session, pip):
  22                 Screen.__init__(self, session)
  23
  24                 self.pip = pip
  25
  26                 self.pos = (self.pip.instance.position().x(), self.pip.instance.position().y())
  27                 self.size = self.pip.getSize()
  28
  29                 self.orgpos = self.pos
  30                 self.orgsize = self.size
  31
  32                 self.resize = 100
  33
  34                 self["text"] = Label(_("Please use direction keys to move the PiP window.\nPress Bouquet +/- to resize the window.\nPress OK to go back to the TV mode or EXIT to cancel the moving."))
  35
  36                 self["actions"] = NumberActionMap(["PiPSetupActions", "NumberActions"],
  37                 {
  38                         "ok": self.go,
  39                         "cancel": self.cancel,
  40                         "up": self.up,
  41                         "down": self.down,
  42                         "left": self.left,
  43                         "right": self.right,
  44                         "size+": self.bigger,
  45                         "size-": self.smaller,
  46                         "1": self.keyNumberGlobal,
  47                         "2": self.keyNumberGlobal,
  48                         "3": self.keyNumberGlobal,
  49                         "4": self.keyNumberGlobal,
  50                         "5": self.keyNumberGlobal,
  51                         "6": self.keyNumberGlobal,
  52                         "7": self.keyNumberGlobal,
  53                         "8": self.keyNumberGlobal,
  54                         "9": self.keyNumberGlobal,
  55                         "0": self.keyNumberGlobal
  56                 }, -1)
  57
  58         def go(self):
  59                 self.close()
  60
  61         def cancel(self):
  62                 self.pos = self.orgpos
  63                 self.size = self.orgsize
  64                 self.setPiPPosition()
  65                 self.close()
  66
  67         def setPiPPosition(self):
  68                 self.pip.move(self.pos[0], self.pos[1])
  69                 self.pip.resize(self.size[0], self.size[1])
  70
  71         def resizePiP(self, resize):
  72                 resize += 100 # resize is in percent, so resize=+20 means: 120%
  73
  74                 oldsize = self.size
  75                 w = clip(self.size[0] * resize / 100, MIN_W, MAX_W)
  76                 h = clip(self.size[1] * resize / 100, MIN_H, MAX_H)
  77
  78                 # calculate offset from center
  79                 mx = (oldsize[0] - w) / 2
  80                 my = (oldsize[1] - h) / 2
  81
  82                 self.size = (w, h)
  83                 # reclip, account for new center
  84                 self.moveRelative(x=mx, y=my)
  85
  86         def moveRelative(self, x=0, y=0):
  87                 self.pos = (clip(self.pos[0] + x, 0, MAX_X - self.size[0]), clip(self.pos[1] + y, 0, MAX_Y - self.size[1]))
  88                 self.setPiPPosition()
  89
  90         def up(self):
  91                 self.moveRelative(y=-32)
  92
  93         def down(self):
  94                 self.moveRelative(y=+32)
  95
  96         def left(self):
  97                 self.moveRelative(x=-24)
  98
  99         def right(self):
 100                 self.moveRelative(x=+24)
 101
 102         def bigger(self):
 103                 self.resizePiP(+10)
 104
 105         def smaller(self):
 106                 self.resizePiP(-10)
 107
 108         def keyNumberGlobal(self, number):
 109
 110                 if number > 0:
 111                         colsize = MAX_X / 3
 112                         rowsize = MAX_Y / 3
 113                         col = (number-1) % 3
 114                         row = (number-1) / 3
 115
 116                         self.size = (180, 135)
 117
 118                         # offset to keep center
 119                         ox = (colsize - self.size[0]) / 2
 120                         oy = (rowsize - self.size[1]) / 2
 121
 122                         self.pos = (col * colsize + ox, row * rowsize + oy)
 123                 else:
 124                         # restore old position
 125                         self.pos = self.orgpos
 126                         self.size = self.orgsize
 127                 # reclip
 128                 self.moveRelative()