lib/python/Screens/PiPSetup.py

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