Mac/Demo/PICTbrowse/PICTbrowse.py

   1 """browsepict - Display all "PICT" resources found"""
   2
   3 import FrameWork
   4 import EasyDialogs
   5 import Res
   6 import Qd
   7 import Win
   8 import Controls
   9 import List
  10 import sys
  11 import struct
  12
  13 #
  14 # Resource definitions
  15 ID_MAIN=512
  16 MAIN_LIST=1
  17 MAIN_SHOW=2
  18
  19 # Where is the picture window?
  20 LEFT=200
  21 TOP=64
  22
  23 def main():
  24         try:
  25                 dummy = Res.GetResource('DLOG', ID_MAIN)
  26         except Res.Error:
  27                 try:
  28                         Res.FSpOpenResFile("PICTbrowse.rsrc", 1)
  29                 except Res.Error, arg:
  30                         EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
  31                         sys.exit(1)
  32         PICTbrowse()
  33
  34 class PICTbrowse(FrameWork.Application):
  35         def __init__(self):
  36                 # First init menus, etc.
  37                 FrameWork.Application.__init__(self)
  38                 # Next create our dialog
  39                 self.main_dialog = MyDialog(self)
  40                 # Now open the dialog
  41                 contents = self.findPICTresources()
  42                 self.main_dialog.open(ID_MAIN, contents)
  43                 # Finally, go into the event loop
  44                 self.mainloop()
  45
  46         def makeusermenus(self):
  47                 self.filemenu = m = FrameWork.Menu(self.menubar, "File")
  48                 self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
  49
  50         def quit(self, *args):
  51                 self._quit()
  52
  53         def showPICT(self, resid):
  54                 w = PICTwindow(self)
  55                 w.open(resid)
  56                 #EasyDialogs.Message('Show PICT '+`resid`)
  57
  58         def findPICTresources(self):
  59                 num = Res.CountResources('PICT')
  60                 rv = []
  61                 for i in range(1, num+1):
  62                         Res.SetResLoad(0)
  63                         try:
  64                                 r = Res.GetIndResource('PICT', i)
  65                         finally:
  66                                 Res.SetResLoad(1)
  67                         id, type, name = r.GetResInfo()
  68                         rv.append((id, name))
  69                 return rv
  70
  71 class PICTwindow(FrameWork.Window):
  72         def open(self, (resid, resname)):
  73                 if not resname:
  74                         resname = '#'+`resid`
  75                 self.resid = resid
  76                 picture = Qd.GetPicture(self.resid)
  77                 # Get rect for picture
  78                 print `picture.data[:16]`
  79                 sz, t, l, b, r = struct.unpack('hhhhh', picture.data[:10])
  80                 print 'pict:', t, l, b, r
  81                 width = r-l
  82                 height = b-t
  83                 if width < 64: width = 64
  84                 elif width > 480: width = 480
  85                 if height < 64: height = 64
  86                 elif height > 320: height = 320
  87                 bounds = (LEFT, TOP, LEFT+width, TOP+height)
  88                 print 'bounds:', bounds
  89
  90                 self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
  91                 self.wid.SetWindowPic(picture)
  92                 self.do_postopen()
  93
  94 class MyDialog(FrameWork.DialogWindow):
  95         "Main dialog window for PICTbrowse"
  96
  97         def open(self, id, contents):
  98                 self.id = id
  99                 FrameWork.DialogWindow.open(self, ID_MAIN)
 100                 self.wid.SetDialogDefaultItem(MAIN_SHOW)
 101                 self.contents = contents
 102                 self.ctl = self.wid.GetDialogItemAsControl(MAIN_LIST)
 103                 h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart,
 104                                 Controls.kControlListBoxListHandleTag)
 105                 self.list = List.as_List(h)
 106                 self.setlist()
 107
 108         def setlist(self):
 109                 self.list.LDelRow(0, 0)
 110                 self.list.LSetDrawingMode(0)
 111                 if self.contents:
 112                         self.list.LAddRow(len(self.contents), 0)
 113                         for i in range(len(self.contents)):
 114                                 v = `self.contents[i][0]`
 115                                 if self.contents[i][1]:
 116                                         v = v + '"' + self.contents[i][1] + '"'
 117                                 self.list.LSetCell(v, (0, i))
 118                 self.list.LSetDrawingMode(1)
 119                 self.list.LUpdate(self.wid.GetWindowPort().visRgn)
 120
 121         def getselection(self):
 122                 items = []
 123                 point = (0,0)
 124                 while 1:
 125                         ok, point = self.list.LGetSelect(1, point)
 126                         if not ok:
 127                                 break
 128                         items.append(point[1])
 129                         point = point[0], point[1]+1
 130                 values = []
 131                 for i in items:
 132                         values.append(self.contents[i])
 133                 return values
 134
 135         def do_show(self, *args):
 136                 selection = self.getselection()
 137                 for resid in selection:
 138                         self.parent.showPICT(resid)
 139
 140         def do_close(self):
 141                 self.close()
 142
 143         def do_itemhit(self, item, event):
 144                 if item == MAIN_SHOW:
 145                         self.do_show()
 146
 147 main()