A variation on PICTbrowse.py that displays the picture using

DrawPicture.

diff --git a/Mac/Demo/PICTbrowse/PICTbrowse2.py b/Mac/Demo/PICTbrowse/PICTbrowse2.py
new file mode 100644 (file)
index 0000000..deffba6
--- /dev/null
+++ b/Mac/Demo/PICTbrowse/PICTbrowse2.py
@@ -0,0 +1,187 @@
+"""browsepict - Display all "PICT" resources found"""
+
+import FrameWork
+import EasyDialogs
+import Res
+import Qd
+import Win
+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
+MINWIDTH=64
+MINHEIGHT=64
+MAXWIDTH=320
+MAXHEIGHT=320
+
+def main():
+       try:
+               dummy = Res.GetResource('DLOG', ID_MAIN)
+       except Res.Error:
+               try:
+                       Res.OpenResFile("PICTbrowse.rsrc")
+               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):
+               raise self
+               
+       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()
+                       rv.append(id, name)
+               return rv
+               
+class PICTwindow(FrameWork.Window):
+       def open(self, (resid, resname)):
+               if not resname:
+                       resname = '#'+`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.wid.GetWindowPort()
+               screenrect = graf.portRect
+               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.wid.SetDialogDefaultItem(MAIN_SHOW)
+               tp, h, rect = self.wid.GetDialogItem(MAIN_LIST)
+               rect2 = rect[0]+1, rect[1]+1, rect[2]-17, rect[3]-17    # Scroll bar space
+               self.list = List.LNew(rect2, (0, 0, 1, len(contents)), (0,0), 0, self.wid,
+                               0, 1, 1, 1)
+               self.contents = contents
+               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)
+               self.list.LUpdate()
+               
+       def do_listhit(self, event):
+               (what, message, when, where, modifiers) = event
+               Qd.SetPort(self.wid)
+               where = Qd.GlobalToLocal(where)
+               print 'LISTHIT', where
+               if self.list.LClick(where, modifiers):
+                       self.do_show()
+               
+       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_rawupdate(self, window, event):
+               tp, h, rect = self.wid.GetDialogItem(MAIN_LIST)
+               Qd.SetPort(self.wid)
+               Qd.FrameRect(rect)
+               self.list.LUpdate()
+               
+       def do_activate(self, activate, event):
+               self.list.LActivate(activate)
+               
+       def do_close(self):
+               self.close()
+               
+       def do_itemhit(self, item, event):
+               if item == MAIN_LIST:
+                       self.do_listhit(event)
+               if item == MAIN_SHOW:
+                       self.do_show()
+
+main()