Mac/Demo/PICTbrowse/cicnbrowse.py

   1 """browsepict - Display all "cicn" resources found"""
   2
   3 import FrameWork
   4 import EasyDialogs
   5 from Carbon import Res
   6 from Carbon import Qd
   7 from Carbon import Win
   8 from Carbon import Controls
   9 from Carbon import List
  10 from Carbon import Icn
  11 import macresource
  12
  13 #
  14 # Resource definitions
  15 ID_MAIN=512
  16 MAIN_LIST=1
  17 MAIN_SHOW=2
  18
  19 # Where is the picture window?
  20 LEFT=200
  21 TOP=64
  22 MINWIDTH=32
  23 MINHEIGHT=32
  24 MAXWIDTH=320
  25 MAXHEIGHT=320
  26
  27 def main():
  28     macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
  29     CIconbrowse()
  30
  31 class CIconbrowse(FrameWork.Application):
  32     def __init__(self):
  33         # First init menus, etc.
  34         FrameWork.Application.__init__(self)
  35         # Next create our dialog
  36         self.main_dialog = MyDialog(self)
  37         # Now open the dialog
  38         contents = self.findcicnresources()
  39         self.main_dialog.open(ID_MAIN, contents)
  40         # Finally, go into the event loop
  41         self.mainloop()
  42
  43     def makeusermenus(self):
  44         self.filemenu = m = FrameWork.Menu(self.menubar, "File")
  45         self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
  46
  47     def quit(self, *args):
  48         self._quit()
  49
  50     def showCIcon(self, resid):
  51         w = CIconwindow(self)
  52         w.open(resid)
  53         #EasyDialogs.Message('Show cicn %r' % (resid,))
  54
  55     def findcicnresources(self):
  56         num = Res.CountResources('cicn')
  57         rv = []
  58         for i in range(1, num+1):
  59             Res.SetResLoad(0)
  60             try:
  61                 r = Res.GetIndResource('cicn', i)
  62             finally:
  63                 Res.SetResLoad(1)
  64             id, type, name = r.GetResInfo()
  65             rv.append((id, name))
  66         return rv
  67
  68 class CIconwindow(FrameWork.Window):
  69     def open(self, (resid, resname)):
  70         if not resname:
  71             resname = '#%r' % (resid,)
  72         self.resid = resid
  73         self.picture = Icn.GetCIcon(self.resid)
  74         l, t, r, b = 0, 0, 32, 32
  75         self.pictrect = (l, t, r, b)
  76         width = r-l
  77         height = b-t
  78         if width < MINWIDTH: width = MINWIDTH
  79         elif width > MAXWIDTH: width = MAXWIDTH
  80         if height < MINHEIGHT: height = MINHEIGHT
  81         elif height > MAXHEIGHT: height = MAXHEIGHT
  82         bounds = (LEFT, TOP, LEFT+width, TOP+height)
  83
  84         self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
  85         self.do_postopen()
  86
  87     def do_update(self, *args):
  88         currect = self.fitrect()
  89         Icn.PlotCIcon(currect, self.picture)
  90
  91     def fitrect(self):
  92         """Return self.pictrect scaled to fit in window"""
  93         graf = self.wid.GetWindowPort()
  94         screenrect = graf.GetPortBounds()
  95         picwidth = self.pictrect[2] - self.pictrect[0]
  96         picheight = self.pictrect[3] - self.pictrect[1]
  97         if picwidth > screenrect[2] - screenrect[0]:
  98             factor = float(picwidth) / float(screenrect[2]-screenrect[0])
  99             picwidth = picwidth / factor
 100             picheight = picheight / factor
 101         if picheight > screenrect[3] - screenrect[1]:
 102             factor = float(picheight) / float(screenrect[3]-screenrect[1])
 103             picwidth = picwidth / factor
 104             picheight = picheight / factor
 105         return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth),
 106                         screenrect[1]+int(picheight))
 107
 108 class MyDialog(FrameWork.DialogWindow):
 109     "Main dialog window for cicnbrowse"
 110
 111     def open(self, id, contents):
 112         self.id = id
 113         FrameWork.DialogWindow.open(self, ID_MAIN)
 114         self.dlg.SetDialogDefaultItem(MAIN_SHOW)
 115         self.contents = contents
 116         self.ctl = self.dlg.GetDialogItemAsControl(MAIN_LIST)
 117         h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart,
 118                         Controls.kControlListBoxListHandleTag)
 119         self.list = List.as_List(h)
 120         self.setlist()
 121
 122     def setlist(self):
 123         self.list.LDelRow(0, 0)
 124         self.list.LSetDrawingMode(0)
 125         if self.contents:
 126             self.list.LAddRow(len(self.contents), 0)
 127             for i in range(len(self.contents)):
 128                 v = repr(self.contents[i][0])
 129                 if self.contents[i][1]:
 130                     v = v + '"' + self.contents[i][1] + '"'
 131                 self.list.LSetCell(v, (0, i))
 132         self.list.LSetDrawingMode(1)
 133         self.list.LUpdate(self.wid.GetWindowPort().visRgn)
 134
 135     def getselection(self):
 136         items = []
 137         point = (0,0)
 138         while 1:
 139             ok, point = self.list.LGetSelect(1, point)
 140             if not ok:
 141                 break
 142             items.append(point[1])
 143             point = point[0], point[1]+1
 144         values = []
 145         for i in items:
 146             values.append(self.contents[i])
 147         return values
 148
 149     def do_show(self, *args):
 150         selection = self.getselection()
 151         for resid in selection:
 152             self.parent.showCIcon(resid)
 153
 154     def do_close(self):
 155         self.close()
 156
 157     def do_itemhit(self, item, event):
 158         if item == MAIN_SHOW:
 159             self.do_show()
 160
 161 main()