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