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1"""browsepict - Display all "PICT" resources found"""
2
3import FrameWork
4import EasyDialogs
5from Carbon import Res
6from Carbon import Qd
7from Carbon import Win
8from Carbon import Controls
9from Carbon import List
10import struct
11import macresource
12
13#
14# Resource definitions
15ID_MAIN=512
16MAIN_LIST=1
17MAIN_SHOW=2
18
19# Where is the picture window?
20LEFT=200
21TOP=64
22MINWIDTH=64
23MINHEIGHT=64
24MAXWIDTH=320
25MAXHEIGHT=320
26
27def main():
28    macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
29    PICTbrowse()
30
31class PICTbrowse(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.findPICTresources()
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 showPICT(self, resid):
51        w = PICTwindow(self)
52        w.open(resid)
53        #EasyDialogs.Message('Show PICT %r' % (resid,))
54
55    def findPICTresources(self):
56        num = Res.CountResources('PICT')
57        rv = []
58        for i in range(1, num+1):
59            Res.SetResLoad(0)
60            try:
61                r = Res.GetIndResource('PICT', i)
62            finally:
63                Res.SetResLoad(1)
64            id, type, name = r.GetResInfo()
65            rv.append((id, name))
66        return rv
67
68class PICTwindow(FrameWork.Window):
69    def open(self, (resid, resname)):
70        if not resname:
71            resname = '#%r' % (resid,)
72        self.resid = resid
73        self.picture = Qd.GetPicture(self.resid)
74        # Get rect for picture
75        sz, t, l, b, r = struct.unpack('hhhhh', self.picture.data[:10])
76        self.pictrect = (l, t, r, b)
77        width = r-l
78        height = b-t
79        if width < MINWIDTH: width = MINWIDTH
80        elif width > MAXWIDTH: width = MAXWIDTH
81        if height < MINHEIGHT: height = MINHEIGHT
82        elif height > MAXHEIGHT: height = MAXHEIGHT
83        bounds = (LEFT, TOP, LEFT+width, TOP+height)
84
85        self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
86        self.do_postopen()
87
88    def do_update(self, *args):
89        currect = self.fitrect()
90        Qd.DrawPicture(self.picture, currect)
91
92    def fitrect(self):
93        """Return self.pictrect scaled to fit in window"""
94        graf = self.dlg.GetWindowPort()
95        screenrect = graf.GetPortBounds()
96        picwidth = self.pictrect[2] - self.pictrect[0]
97        picheight = self.pictrect[3] - self.pictrect[1]
98        if picwidth > screenrect[2] - screenrect[0]:
99            factor = float(picwidth) / float(screenrect[2]-screenrect[0])
100            picwidth = picwidth / factor
101            picheight = picheight / factor
102        if picheight > screenrect[3] - screenrect[1]:
103            factor = float(picheight) / float(screenrect[3]-screenrect[1])
104            picwidth = picwidth / factor
105            picheight = picheight / factor
106        return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth),
107                        screenrect[1]+int(picheight))
108
109class MyDialog(FrameWork.DialogWindow):
110    "Main dialog window for PICTbrowse"
111
112    def open(self, id, contents):
113        self.id = id
114        FrameWork.DialogWindow.open(self, ID_MAIN)
115        self.dlg.SetDialogDefaultItem(MAIN_SHOW)
116        self.contents = contents
117        self.ctl = self.dlg.GetDialogItemAsControl(MAIN_LIST)
118        h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart,
119                        Controls.kControlListBoxListHandleTag)
120        self.list = List.as_List(h)
121        self.setlist()
122
123    def setlist(self):
124        self.list.LDelRow(0, 0)
125        self.list.LSetDrawingMode(0)
126        if self.contents:
127            self.list.LAddRow(len(self.contents), 0)
128            for i in range(len(self.contents)):
129                v = repr(self.contents[i][0])
130                if self.contents[i][1]:
131                    v = v + '"' + self.contents[i][1] + '"'
132                self.list.LSetCell(v, (0, i))
133        self.list.LSetDrawingMode(1)
134        self.list.LUpdate(self.wid.GetWindowPort().visRgn)
135
136    def getselection(self):
137        items = []
138        point = (0,0)
139        while 1:
140            ok, point = self.list.LGetSelect(1, point)
141            if not ok:
142                break
143            items.append(point[1])
144            point = point[0], point[1]+1
145        values = []
146        for i in items:
147            values.append(self.contents[i])
148        return values
149
150    def do_show(self, *args):
151        selection = self.getselection()
152        for resid in selection:
153            self.parent.showPICT(resid)
154
155    def do_close(self):
156        self.close()
157
158    def do_itemhit(self, item, event):
159        if item == MAIN_SHOW:
160            self.do_show()
161
162main()
163