164 lines
4.2 KiB
Python
164 lines
4.2 KiB
Python
"""browsepict - Display all "PICT" resources found"""
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import FrameWork
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import EasyDialogs
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from Carbon import Res
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from Carbon import Qd
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from Carbon import Win
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from Carbon import Controls
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from Carbon import List
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import sys
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import struct
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import macresource
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#
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# Resource definitions
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ID_MAIN=512
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MAIN_LIST=1
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MAIN_SHOW=2
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# Where is the picture window?
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LEFT=200
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TOP=64
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MINWIDTH=64
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MINHEIGHT=64
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MAXWIDTH=320
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MAXHEIGHT=320
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def main():
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macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
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PICTbrowse()
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class PICTbrowse(FrameWork.Application):
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def __init__(self):
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# First init menus, etc.
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FrameWork.Application.__init__(self)
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# Next create our dialog
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self.main_dialog = MyDialog(self)
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# Now open the dialog
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contents = self.findPICTresources()
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self.main_dialog.open(ID_MAIN, contents)
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# Finally, go into the event loop
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self.mainloop()
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def makeusermenus(self):
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self.filemenu = m = FrameWork.Menu(self.menubar, "File")
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self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
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def quit(self, *args):
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self._quit()
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def showPICT(self, resid):
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w = PICTwindow(self)
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w.open(resid)
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#EasyDialogs.Message('Show PICT '+`resid`)
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def findPICTresources(self):
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num = Res.CountResources('PICT')
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rv = []
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for i in range(1, num+1):
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Res.SetResLoad(0)
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try:
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r = Res.GetIndResource('PICT', i)
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finally:
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Res.SetResLoad(1)
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id, type, name = r.GetResInfo()
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rv.append((id, name))
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return rv
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class PICTwindow(FrameWork.Window):
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def open(self, (resid, resname)):
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if not resname:
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resname = '#'+`resid`
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self.resid = resid
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self.picture = Qd.GetPicture(self.resid)
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# Get rect for picture
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sz, t, l, b, r = struct.unpack('hhhhh', self.picture.data[:10])
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self.pictrect = (l, t, r, b)
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width = r-l
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height = b-t
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if width < MINWIDTH: width = MINWIDTH
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elif width > MAXWIDTH: width = MAXWIDTH
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if height < MINHEIGHT: height = MINHEIGHT
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elif height > MAXHEIGHT: height = MAXHEIGHT
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bounds = (LEFT, TOP, LEFT+width, TOP+height)
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self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
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self.do_postopen()
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def do_update(self, *args):
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currect = self.fitrect()
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Qd.DrawPicture(self.picture, currect)
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def fitrect(self):
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"""Return self.pictrect scaled to fit in window"""
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graf = self.dlg.GetWindowPort()
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screenrect = graf.GetPortBounds()
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picwidth = self.pictrect[2] - self.pictrect[0]
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picheight = self.pictrect[3] - self.pictrect[1]
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if picwidth > screenrect[2] - screenrect[0]:
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factor = float(picwidth) / float(screenrect[2]-screenrect[0])
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picwidth = picwidth / factor
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picheight = picheight / factor
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if picheight > screenrect[3] - screenrect[1]:
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factor = float(picheight) / float(screenrect[3]-screenrect[1])
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picwidth = picwidth / factor
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picheight = picheight / factor
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return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth),
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screenrect[1]+int(picheight))
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class MyDialog(FrameWork.DialogWindow):
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"Main dialog window for PICTbrowse"
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def open(self, id, contents):
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self.id = id
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FrameWork.DialogWindow.open(self, ID_MAIN)
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self.dlg.SetDialogDefaultItem(MAIN_SHOW)
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self.contents = contents
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self.ctl = self.dlg.GetDialogItemAsControl(MAIN_LIST)
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h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart,
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Controls.kControlListBoxListHandleTag)
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self.list = List.as_List(h)
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self.setlist()
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def setlist(self):
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self.list.LDelRow(0, 0)
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self.list.LSetDrawingMode(0)
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if self.contents:
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self.list.LAddRow(len(self.contents), 0)
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for i in range(len(self.contents)):
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v = `self.contents[i][0]`
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if self.contents[i][1]:
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v = v + '"' + self.contents[i][1] + '"'
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self.list.LSetCell(v, (0, i))
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self.list.LSetDrawingMode(1)
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self.list.LUpdate(self.wid.GetWindowPort().visRgn)
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def getselection(self):
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items = []
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point = (0,0)
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while 1:
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ok, point = self.list.LGetSelect(1, point)
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if not ok:
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break
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items.append(point[1])
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point = point[0], point[1]+1
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values = []
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for i in items:
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values.append(self.contents[i])
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return values
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def do_show(self, *args):
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selection = self.getselection()
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for resid in selection:
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self.parent.showPICT(resid)
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def do_close(self):
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self.close()
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def do_itemhit(self, item, event):
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if item == MAIN_SHOW:
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self.do_show()
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main()
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