Mac/Demo/PICTbrowse/ICONbrowse.py

   1 """browsepict - Display all "ICON" resources found"""
   2
   3 import FrameWork
   4 import EasyDialogs
   5 import Res
   6 import Qd
   7 import Win
   8 import Controls
   9 import List
  10 import sys
  11 import struct
  12 import Icn
  13
  14 #
  15 # Resource definitions
  16 ID_MAIN=512
  17 MAIN_LIST=1
  18 MAIN_SHOW=2
  19
  20 # Where is the picture window?
  21 LEFT=200
  22 TOP=64
  23 MINWIDTH=32
  24 MINHEIGHT=32
  25 MAXWIDTH=320
  26 MAXHEIGHT=320
  27
  28 def main():
  29         try:
  30                 dummy = Res.GetResource('DLOG', ID_MAIN)
  31         except Res.Error:
  32                 try:
  33                         Res.FSpOpenResFile("PICTbrowse.rsrc", 1)
  34                 except Res.Error, arg:
  35                         EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
  36                         sys.exit(1)
  37         ICONbrowse()
  38
  39 class ICONbrowse(FrameWork.Application):
  40         def __init__(self):
  41                 # First init menus, etc.
  42                 FrameWork.Application.__init__(self)
  43                 # Next create our dialog
  44                 self.main_dialog = MyDialog(self)
  45                 # Now open the dialog
  46                 contents = self.findICONresources()
  47                 self.main_dialog.open(ID_MAIN, contents)
  48                 # Finally, go into the event loop
  49                 self.mainloop()
  50
  51         def makeusermenus(self):
  52                 self.filemenu = m = FrameWork.Menu(self.menubar, "File")
  53                 self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
  54
  55         def quit(self, *args):
  56                 self._quit()
  57
  58         def showICON(self, resid):
  59                 w = ICONwindow(self)
  60                 w.open(resid)
  61                 #EasyDialogs.Message('Show ICON '+`resid`)
  62
  63         def findICONresources(self):
  64                 num = Res.CountResources('ICON')
  65                 rv = []
  66                 for i in range(1, num+1):
  67                         Res.SetResLoad(0)
  68                         try:
  69                                 r = Res.GetIndResource('ICON', i)
  70                         finally:
  71                                 Res.SetResLoad(1)
  72                         id, type, name = r.GetResInfo()
  73                         rv.append((id, name))
  74                 return rv
  75
  76 class ICONwindow(FrameWork.Window):
  77         def open(self, (resid, resname)):
  78                 if not resname:
  79                         resname = '#'+`resid`
  80                 self.resid = resid
  81                 self.picture = Icn.GetIcon(self.resid)
  82                 l, t, r, b = 0, 0, 32, 32
  83                 self.pictrect = (l, t, r, b)
  84                 width = r-l
  85                 height = b-t
  86                 if width < MINWIDTH: width = MINWIDTH
  87                 elif width > MAXWIDTH: width = MAXWIDTH
  88                 if height < MINHEIGHT: height = MINHEIGHT
  89                 elif height > MAXHEIGHT: height = MAXHEIGHT
  90                 bounds = (LEFT, TOP, LEFT+width, TOP+height)
  91
  92                 self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
  93                 self.do_postopen()
  94
  95         def do_update(self, *args):
  96                 currect = self.fitrect()
  97                 Icn.PlotIcon(currect, self.picture)
  98
  99         def fitrect(self):
 100                 """Return self.pictrect scaled to fit in window"""
 101                 graf = self.wid.GetWindowPort()
 102                 screenrect = graf.portRect
 103                 picwidth = self.pictrect[2] - self.pictrect[0]
 104                 picheight = self.pictrect[3] - self.pictrect[1]
 105                 if picwidth > screenrect[2] - screenrect[0]:
 106                         factor = float(picwidth) / float(screenrect[2]-screenrect[0])
 107                         picwidth = picwidth / factor
 108                         picheight = picheight / factor
 109                 if picheight > screenrect[3] - screenrect[1]:
 110                         factor = float(picheight) / float(screenrect[3]-screenrect[1])
 111                         picwidth = picwidth / factor
 112                         picheight = picheight / factor
 113                 return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth),
 114                                 screenrect[1]+int(picheight))
 115
 116 class MyDialog(FrameWork.DialogWindow):
 117         "Main dialog window for ICONbrowse"
 118
 119         def open(self, id, contents):
 120                 self.id = id
 121                 FrameWork.DialogWindow.open(self, ID_MAIN)
 122                 self.wid.SetDialogDefaultItem(MAIN_SHOW)
 123                 self.contents = contents
 124                 self.ctl = self.wid.GetDialogItemAsControl(MAIN_LIST)
 125                 h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart,
 126                                 Controls.kControlListBoxListHandleTag)
 127                 self.list = List.as_List(h)
 128                 self.setlist()
 129
 130         def setlist(self):
 131                 self.list.LDelRow(0, 0)
 132                 self.list.LSetDrawingMode(0)
 133                 if self.contents:
 134                         self.list.LAddRow(len(self.contents), 0)
 135                         for i in range(len(self.contents)):
 136                                 v = `self.contents[i][0]`
 137                                 if self.contents[i][1]:
 138                                         v = v + '"' + self.contents[i][1] + '"'
 139                                 self.list.LSetCell(v, (0, i))
 140                 self.list.LSetDrawingMode(1)
 141                 self.list.LUpdate(self.wid.GetWindowPort().visRgn)
 142
 143         def getselection(self):
 144                 items = []
 145                 point = (0,0)
 146                 while 1:
 147                         ok, point = self.list.LGetSelect(1, point)
 148                         if not ok:
 149                                 break
 150                         items.append(point[1])
 151                         point = point[0], point[1]+1
 152                 values = []
 153                 for i in items:
 154                         values.append(self.contents[i])
 155                 return values
 156
 157         def do_show(self, *args):
 158                 selection = self.getselection()
 159                 for resid in selection:
 160                         self.parent.showICON(resid)
 161
 162         def do_close(self):
 163                 self.close()
 164
 165         def do_itemhit(self, item, event):
 166                 if item == MAIN_SHOW:
 167                         self.do_show()
 168
 169 main()