cpython/Mac/Demo/PICTbrowse/PICTbrowse.py

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"""browsepict - Display all "PICT" resources found"""
import FrameWork
import EasyDialogs
from Carbon import Res
from Carbon import Qd
from Carbon import Win
from Carbon import Controls
from Carbon import List
import struct
import macresource
#
# Resource definitions
ID_MAIN=512
MAIN_LIST=1
MAIN_SHOW=2
# Where is the picture window?
LEFT=200
TOP=64
def main():
macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
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 %r' % (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()
rv.append((id, name))
return rv
class PICTwindow(FrameWork.Window):
def open(self, (resid, resname)):
if not resname:
resname = '#%r' % (resid,)
self.resid = resid
picture = Qd.GetPicture(self.resid)
# Get rect for picture
print repr(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 = repr(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)
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()