Mac/Demo/PICTbrowse/ICONbrowse.py

   1 """browsepict - Display all "ICON" 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 import sys
  11 import struct
  12 from Carbon import Icn
  13 import macresource
  14
  15 #
  16 # Resource definitions
  17 ID_MAIN=512
  18 MAIN_LIST=1
  19 MAIN_SHOW=2
  20
  21 # Where is the picture window?
  22 LEFT=200
  23 TOP=64
  24 MINWIDTH=32
  25 MINHEIGHT=32
  26 MAXWIDTH=320
  27 MAXHEIGHT=320
  28
  29 def main():
  30         macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
  31         ICONbrowse()
  32
  33 class ICONbrowse(FrameWork.Application):
  34         def __init__(self):
  35                 # First init menus, etc.
  36                 FrameWork.Application.__init__(self)
  37                 # Next create our dialog
  38                 self.main_dialog = MyDialog(self)
  39                 # Now open the dialog
  40                 contents = self.findICONresources()
  41                 self.main_dialog.open(ID_MAIN, contents)
  42                 # Finally, go into the event loop
  43                 self.mainloop()
  44
  45         def makeusermenus(self):
  46                 self.filemenu = m = FrameWork.Menu(self.menubar, "File")
  47                 self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
  48
  49         def quit(self, *args):
  50                 self._quit()
  51
  52         def showICON(self, resid):
  53                 w = ICONwindow(self)
  54                 w.open(resid)
  55                 #EasyDialogs.Message('Show ICON '+`resid`)
  56
  57         def findICONresources(self):
  58                 num = Res.CountResources('ICON')
  59                 rv = []
  60                 for i in range(1, num+1):
  61                         Res.SetResLoad(0)
  62                         try:
  63                                 r = Res.GetIndResource('ICON', i)
  64                         finally:
  65                                 Res.SetResLoad(1)
  66                         id, type, name = r.GetResInfo()
  67                         rv.append((id, name))
  68                 return rv
  69
  70 class ICONwindow(FrameWork.Window):
  71         def open(self, (resid, resname)):
  72                 if not resname:
  73                         resname = '#'+`resid`
  74                 self.resid = resid
  75                 self.picture = Icn.GetIcon(self.resid)
  76                 l, t, r, b = 0, 0, 32, 32
  77                 self.pictrect = (l, t, r, b)
  78                 width = r-l
  79                 height = b-t
  80                 if width < MINWIDTH: width = MINWIDTH
  81                 elif width > MAXWIDTH: width = MAXWIDTH
  82                 if height < MINHEIGHT: height = MINHEIGHT
  83                 elif height > MAXHEIGHT: height = MAXHEIGHT
  84                 bounds = (LEFT, TOP, LEFT+width, TOP+height)
  85
  86                 self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
  87                 self.do_postopen()
  88
  89         def do_update(self, *args):
  90                 currect = self.fitrect()
  91                 Icn.PlotIcon(currect, self.picture)
  92
  93         def fitrect(self):
  94                 """Return self.pictrect scaled to fit in window"""
  95                 graf = self.wid.GetWindowPort()
  96                 screenrect = graf.GetPortBounds()
  97                 picwidth = self.pictrect[2] - self.pictrect[0]
  98                 picheight = self.pictrect[3] - self.pictrect[1]
  99                 if picwidth > screenrect[2] - screenrect[0]:
 100                         factor = float(picwidth) / float(screenrect[2]-screenrect[0])
 101                         picwidth = picwidth / factor
 102                         picheight = picheight / factor
 103                 if picheight > screenrect[3] - screenrect[1]:
 104                         factor = float(picheight) / float(screenrect[3]-screenrect[1])
 105                         picwidth = picwidth / factor
 106                         picheight = picheight / factor
 107                 return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth),
 108                                 screenrect[1]+int(picheight))
 109
 110 class MyDialog(FrameWork.DialogWindow):
 111         "Main dialog window for ICONbrowse"
 112
 113         def open(self, id, contents):
 114                 self.id = id
 115                 FrameWork.DialogWindow.open(self, ID_MAIN)
 116                 self.dlg.SetDialogDefaultItem(MAIN_SHOW)
 117                 self.contents = contents
 118                 self.ctl = self.dlg.GetDialogItemAsControl(MAIN_LIST)
 119                 h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart,
 120                                 Controls.kControlListBoxListHandleTag)
 121                 self.list = List.as_List(h)
 122                 self.setlist()
 123
 124         def setlist(self):
 125                 self.list.LDelRow(0, 0)
 126                 self.list.LSetDrawingMode(0)
 127                 if self.contents:
 128                         self.list.LAddRow(len(self.contents), 0)
 129                         for i in range(len(self.contents)):
 130                                 v = `self.contents[i][0]`
 131                                 if self.contents[i][1]:
 132                                         v = v + '"' + self.contents[i][1] + '"'
 133                                 self.list.LSetCell(v, (0, i))
 134                 self.list.LSetDrawingMode(1)
 135                 self.list.LUpdate(self.wid.GetWindowPort().visRgn)
 136
 137         def getselection(self):
 138                 items = []
 139                 point = (0,0)
 140                 while 1:
 141                         ok, point = self.list.LGetSelect(1, point)
 142                         if not ok:
 143                                 break
 144                         items.append(point[1])
 145                         point = point[0], point[1]+1
 146                 values = []
 147                 for i in items:
 148                         values.append(self.contents[i])
 149                 return values
 150
 151         def do_show(self, *args):
 152                 selection = self.getselection()
 153                 for resid in selection:
 154                         self.parent.showICON(resid)
 155
 156         def do_close(self):
 157                 self.close()
 158
 159         def do_itemhit(self, item, event):
 160                 if item == MAIN_SHOW:
 161                         self.do_show()
 162
 163 main()