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 List
   9 import sys
  10 import struct
  11
  12 #
  13 # Resource definitions
  14 ID_MAIN=512
  15 MAIN_LIST=1
  16 MAIN_SHOW=2
  17
  18 # Where is the picture window?
  19 LEFT=200
  20 TOP=64
  21
  22 def main():
  23         try:
  24                 dummy = Res.GetResource('DLOG', ID_MAIN)
  25         except Res.Error:
  26                 try:
  27                         Res.OpenResFile("PICTbrowse.rsrc")
  28                 except Res.Error, arg:
  29                         EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
  30                         sys.exit(1)
  31         PICTbrowse()
  32
  33 class PICTbrowse(FrameWork.Application):
  34         def __init__(self):
  35                 # First init menus, etc.
  36                 FrameWork.Application.__init__(self)
  37                 # Next create our dialog
  38                 self.main_dialog = MyDialog(self)
  39                 # Now open the dialog
  40                 contents = self.findPICTresources()
  41                 self.main_dialog.open(ID_MAIN, contents)
  42                 # Finally, go into the event loop
  43                 self.mainloop()
  44
  45         def makeusermenus(self):
  46                 self.filemenu = m = FrameWork.Menu(self.menubar, "File")
  47                 self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
  48
  49         def quit(self, *args):
  50                 self._quit()
  51
  52         def showPICT(self, resid):
  53                 w = PICTwindow(self)
  54                 w.open(resid)
  55                 #EasyDialogs.Message('Show PICT '+`resid`)
  56
  57         def findPICTresources(self):
  58                 num = Res.CountResources('PICT')
  59                 rv = []
  60                 for i in range(1, num+1):
  61                         Res.SetResLoad(0)
  62                         try:
  63                                 r = Res.GetIndResource('PICT', i)
  64                         finally:
  65                                 Res.SetResLoad(1)
  66                         id, type, name = r.GetResInfo()
  67                         rv.append(id, name)
  68                 return rv
  69
  70 class PICTwindow(FrameWork.Window):
  71         def open(self, (resid, resname)):
  72                 if not resname:
  73                         resname = '#'+`resid`
  74                 self.resid = resid
  75                 picture = Qd.GetPicture(self.resid)
  76                 # Get rect for picture
  77                 print `picture.data[:16]`
  78                 sz, t, l, b, r = struct.unpack('hhhhh', picture.data[:10])
  79                 print 'pict:', t, l, b, r
  80                 width = r-l
  81                 height = b-t
  82                 if width < 64: width = 64
  83                 elif width > 480: width = 480
  84                 if height < 64: height = 64
  85                 elif height > 320: height = 320
  86                 bounds = (LEFT, TOP, LEFT+width, TOP+height)
  87                 print 'bounds:', bounds
  88
  89                 self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
  90                 self.wid.SetWindowPic(picture)
  91                 self.do_postopen()
  92
  93 class MyDialog(FrameWork.DialogWindow):
  94         "Main dialog window for PICTbrowse"
  95
  96         def open(self, id, contents):
  97                 self.id = id
  98                 FrameWork.DialogWindow.open(self, ID_MAIN)
  99                 self.wid.SetDialogDefaultItem(MAIN_SHOW)
 100                 tp, h, rect = self.wid.GetDialogItem(MAIN_LIST)
 101                 rect2 = rect[0]+1, rect[1]+1, rect[2]-17, rect[3]-17    # Scroll bar space
 102                 self.list = List.LNew(rect2, (0, 0, 1, len(contents)), (0,0), 0, self.wid,
 103                                 0, 1, 1, 1)
 104                 self.contents = contents
 105                 self.setlist()
 106
 107         def setlist(self):
 108                 self.list.LDelRow(0, 0)
 109                 self.list.LSetDrawingMode(0)
 110                 if self.contents:
 111                         self.list.LAddRow(len(self.contents), 0)
 112                         for i in range(len(self.contents)):
 113                                 v = `self.contents[i][0]`
 114                                 if self.contents[i][1]:
 115                                         v = v + '"' + self.contents[i][1] + '"'
 116                                 self.list.LSetCell(v, (0, i))
 117                 self.list.LSetDrawingMode(1)
 118                 self.list.LUpdate(self.wid.GetWindowPort().visRgn)
 119
 120         def do_listhit(self, event):
 121                 (what, message, when, where, modifiers) = event
 122                 Qd.SetPort(self.wid)
 123                 where = Qd.GlobalToLocal(where)
 124                 print 'LISTHIT', where
 125                 if self.list.LClick(where, modifiers):
 126                         self.do_show()
 127
 128         def getselection(self):
 129                 items = []
 130                 point = (0,0)
 131                 while 1:
 132                         ok, point = self.list.LGetSelect(1, point)
 133                         if not ok:
 134                                 break
 135                         items.append(point[1])
 136                         point = point[0], point[1]+1
 137                 values = []
 138                 for i in items:
 139                         values.append(self.contents[i])
 140                 return values
 141
 142         def do_show(self, *args):
 143                 selection = self.getselection()
 144                 for resid in selection:
 145                         self.parent.showPICT(resid)
 146
 147         def do_rawupdate(self, window, event):
 148                 tp, h, rect = self.wid.GetDialogItem(MAIN_LIST)
 149                 Qd.SetPort(self.wid)
 150                 Qd.FrameRect(rect)
 151                 self.list.LUpdate(self.wid.GetWindowPort().visRgn)
 152
 153         def do_activate(self, activate, event):
 154                 self.list.LActivate(activate)
 155
 156         def do_close(self):
 157                 self.close()
 158
 159         def do_itemhit(self, item, event):
 160                 if item == MAIN_LIST:
 161                         self.do_listhit(event)
 162                 if item == MAIN_SHOW:
 163                         self.do_show()
 164
 165 main()