cpython/Mac/Demo/PICTbrowse/PICTbrowse.py

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"""browsepict - Display all "PICT" resources found"""
import FrameWork
import EasyDialogs
import Res
import Qd
import Win
import Controls
import List
import sys
import struct
#
# Resource definitions
ID_MAIN=512
MAIN_LIST=1
MAIN_SHOW=2
# Where is the picture window?
LEFT=200
TOP=64
def main():
try:
dummy = Res.GetResource('DLOG', ID_MAIN)
except Res.Error:
try:
Res.FSpOpenResFile("PICTbrowse.rsrc", 1)
except Res.Error, arg:
EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
sys.exit(1)
PICTbrowse()
class PICTbrowse(FrameWork.Application):
def __init__(self):
# First init menus, etc.
FrameWork.Application.__init__(self)
# Next create our dialog
self.main_dialog = MyDialog(self)
# Now open the dialog
contents = self.findPICTresources()
self.main_dialog.open(ID_MAIN, contents)
# Finally, go into the event loop
self.mainloop()
def makeusermenus(self):
self.filemenu = m = FrameWork.Menu(self.menubar, "File")
self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
def quit(self, *args):
self._quit()
def showPICT(self, resid):
w = PICTwindow(self)
w.open(resid)
#EasyDialogs.Message('Show PICT '+`resid`)
def findPICTresources(self):
num = Res.CountResources('PICT')
rv = []
for i in range(1, num+1):
Res.SetResLoad(0)
try:
r = Res.GetIndResource('PICT', i)
finally:
Res.SetResLoad(1)
id, type, name = r.GetResInfo()
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rv.append((id, name))
return rv
class PICTwindow(FrameWork.Window):
def open(self, (resid, resname)):
if not resname:
resname = '#'+`resid`
self.resid = resid
picture = Qd.GetPicture(self.resid)
# Get rect for picture
print `picture.data[:16]`
sz, t, l, b, r = struct.unpack('hhhhh', picture.data[:10])
print 'pict:', t, l, b, r
width = r-l
height = b-t
if width < 64: width = 64
elif width > 480: width = 480
if height < 64: height = 64
elif height > 320: height = 320
bounds = (LEFT, TOP, LEFT+width, TOP+height)
print 'bounds:', bounds
self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
self.wid.SetWindowPic(picture)
self.do_postopen()
class MyDialog(FrameWork.DialogWindow):
"Main dialog window for PICTbrowse"
def open(self, id, contents):
self.id = id
FrameWork.DialogWindow.open(self, ID_MAIN)
self.dlg.SetDialogDefaultItem(MAIN_SHOW)
self.contents = contents
self.ctl = self.dlg.GetDialogItemAsControl(MAIN_LIST)
h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart,
Controls.kControlListBoxListHandleTag)
self.list = List.as_List(h)
self.setlist()
def setlist(self):
self.list.LDelRow(0, 0)
self.list.LSetDrawingMode(0)
if self.contents:
self.list.LAddRow(len(self.contents), 0)
for i in range(len(self.contents)):
v = `self.contents[i][0]`
if self.contents[i][1]:
v = v + '"' + self.contents[i][1] + '"'
self.list.LSetCell(v, (0, i))
self.list.LSetDrawingMode(1)
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self.list.LUpdate(self.wid.GetWindowPort().visRgn)
def getselection(self):
items = []
point = (0,0)
while 1:
ok, point = self.list.LGetSelect(1, point)
if not ok:
break
items.append(point[1])
point = point[0], point[1]+1
values = []
for i in items:
values.append(self.contents[i])
return values
def do_show(self, *args):
selection = self.getselection()
for resid in selection:
self.parent.showPICT(resid)
def do_close(self):
self.close()
def do_itemhit(self, item, event):
if item == MAIN_SHOW:
self.do_show()
main()