Mac/Demo/PICTbrowse/PICTbrowse.py

   1 """browsepict - Display all "PICT" resources found"""
   2
   3 import FrameWork
   4 import EasyDialogs
   5 from Carbon import Res
   6 from Carbon import Qd
   7 from Carbon import Win
   8 from Carbon import Controls
   9 from Carbon import List
  10 import sys
  11 import struct
  12 import macresource
  13
  14 #
  15 # Resource definitions
  16 ID_MAIN=512
  17 MAIN_LIST=1
  18 MAIN_SHOW=2
  19
  20 # Where is the picture window?
  21 LEFT=200
  22 TOP=64
  23
  24 def main():
  25         macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
  26         PICTbrowse()
  27
  28 class PICTbrowse(FrameWork.Application):
  29         def __init__(self):
  30                 # First init menus, etc.
  31                 FrameWork.Application.__init__(self)
  32                 # Next create our dialog
  33                 self.main_dialog = MyDialog(self)
  34                 # Now open the dialog
  35                 contents = self.findPICTresources()
  36                 self.main_dialog.open(ID_MAIN, contents)
  37                 # Finally, go into the event loop
  38                 self.mainloop()
  39
  40         def makeusermenus(self):
  41                 self.filemenu = m = FrameWork.Menu(self.menubar, "File")
  42                 self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
  43
  44         def quit(self, *args):
  45                 self._quit()
  46
  47         def showPICT(self, resid):
  48                 w = PICTwindow(self)
  49                 w.open(resid)
  50                 #EasyDialogs.Message('Show PICT '+`resid`)
  51
  52         def findPICTresources(self):
  53                 num = Res.CountResources('PICT')
  54                 rv = []
  55                 for i in range(1, num+1):
  56                         Res.SetResLoad(0)
  57                         try:
  58                                 r = Res.GetIndResource('PICT', i)
  59                         finally:
  60                                 Res.SetResLoad(1)
  61                         id, type, name = r.GetResInfo()
  62                         rv.append((id, name))
  63                 return rv
  64
  65 class PICTwindow(FrameWork.Window):
  66         def open(self, (resid, resname)):
  67                 if not resname:
  68                         resname = '#'+`resid`
  69                 self.resid = resid
  70                 picture = Qd.GetPicture(self.resid)
  71                 # Get rect for picture
  72                 print `picture.data[:16]`
  73                 sz, t, l, b, r = struct.unpack('hhhhh', picture.data[:10])
  74                 print 'pict:', t, l, b, r
  75                 width = r-l
  76                 height = b-t
  77                 if width < 64: width = 64
  78                 elif width > 480: width = 480
  79                 if height < 64: height = 64
  80                 elif height > 320: height = 320
  81                 bounds = (LEFT, TOP, LEFT+width, TOP+height)
  82                 print 'bounds:', bounds
  83
  84                 self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
  85                 self.wid.SetWindowPic(picture)
  86                 self.do_postopen()
  87
  88 class MyDialog(FrameWork.DialogWindow):
  89         "Main dialog window for PICTbrowse"
  90
  91         def open(self, id, contents):
  92                 self.id = id
  93                 FrameWork.DialogWindow.open(self, ID_MAIN)
  94                 self.dlg.SetDialogDefaultItem(MAIN_SHOW)
  95                 self.contents = contents
  96                 self.ctl = self.dlg.GetDialogItemAsControl(MAIN_LIST)
  97                 h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart,
  98                                 Controls.kControlListBoxListHandleTag)
  99                 self.list = List.as_List(h)
 100                 self.setlist()
 101
 102         def setlist(self):
 103                 self.list.LDelRow(0, 0)
 104                 self.list.LSetDrawingMode(0)
 105                 if self.contents:
 106                         self.list.LAddRow(len(self.contents), 0)
 107                         for i in range(len(self.contents)):
 108                                 v = `self.contents[i][0]`
 109                                 if self.contents[i][1]:
 110                                         v = v + '"' + self.contents[i][1] + '"'
 111                                 self.list.LSetCell(v, (0, i))
 112                 self.list.LSetDrawingMode(1)
 113                 self.list.LUpdate(self.wid.GetWindowPort().visRgn)
 114
 115         def getselection(self):
 116                 items = []
 117                 point = (0,0)
 118                 while 1:
 119                         ok, point = self.list.LGetSelect(1, point)
 120                         if not ok:
 121                                 break
 122                         items.append(point[1])
 123                         point = point[0], point[1]+1
 124                 values = []
 125                 for i in items:
 126                         values.append(self.contents[i])
 127                 return values
 128
 129         def do_show(self, *args):
 130                 selection = self.getselection()
 131                 for resid in selection:
 132                         self.parent.showPICT(resid)
 133
 134         def do_close(self):
 135                 self.close()
 136
 137         def do_itemhit(self, item, event):
 138                 if item == MAIN_SHOW:
 139                         self.do_show()
 140
 141 main()