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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
MINWIDTH=64
MINHEIGHT=64
MAXWIDTH=320
MAXHEIGHT=320
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
self.picture = Qd.GetPicture(self.resid)
# Get rect for picture
sz, t, l, b, r = struct.unpack('hhhhh', self.picture.data[:10])
self.pictrect = (l, t, r, b)
width = r-l
height = b-t
if width < MINWIDTH: width = MINWIDTH
elif width > MAXWIDTH: width = MAXWIDTH
if height < MINHEIGHT: height = MINHEIGHT
elif height > MAXHEIGHT: height = MAXHEIGHT
bounds = (LEFT, TOP, LEFT+width, TOP+height)
self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
self.do_postopen()
def do_update(self, *args):
currect = self.fitrect()
Qd.DrawPicture(self.picture, currect)
def fitrect(self):
"""Return self.pictrect scaled to fit in window"""
graf = self.dlg.GetWindowPort()
screenrect = graf.GetPortBounds()
picwidth = self.pictrect[2] - self.pictrect[0]
picheight = self.pictrect[3] - self.pictrect[1]
if picwidth > screenrect[2] - screenrect[0]:
factor = float(picwidth) / float(screenrect[2]-screenrect[0])
picwidth = picwidth / factor
picheight = picheight / factor
if picheight > screenrect[3] - screenrect[1]:
factor = float(picheight) / float(screenrect[3]-screenrect[1])
picwidth = picwidth / factor
picheight = picheight / factor
return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth),
screenrect[1]+int(picheight))
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()
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