コード例 #1
0
ファイル: selectcardset.py プロジェクト: iske/PySolFC
class CardsetInfoDialog(MfxDialog):
    def __init__(self, parent, title, cardset, images, **kw):
        kw = self.initKw(kw)
        MfxDialog.__init__(self, parent, title, kw.resizable, kw.default)
        top_frame, bottom_frame = self.createFrames(kw)
        self.createBitmaps(top_frame, kw)
        frame = ttk.Frame(top_frame)
        frame.pack(fill="both", expand=True, padx=5, pady=10)
        #
        #
        row = 0
        info_frame = ttk.LabelFrame(frame, text=_('About cardset'))
        info_frame.grid(row=row, column=0, columnspan=2, sticky='ew',
                        padx=0, pady=5, ipadx=5, ipady=5)
        row += 1
        styles = nationalities = year = None
        if cardset.si.styles:
            styles = '\n'.join([CSI.STYLE[i] for i in cardset.si.styles])
        if cardset.si.nationalities:
            nationalities = '\n'.join([CSI.NATIONALITY[i]
                                       for i in cardset.si.nationalities])
        if cardset.year:
            year = str(cardset.year)
        frow = 0
        for n, t in (
            ##('Version:', str(cardset.version)),
            (_('Type:'),          CSI.TYPE[cardset.type]),
            (_('Styles:'),        styles),
            (_('Nationality:'),   nationalities),
            (_('Year:'),          year),
            ##(_('Number of cards:'), str(cardset.ncards)),
            (_('Size:'), '%d x %d' % (cardset.CARDW, cardset.CARDH)),
            ):
            if t is not None:
                l = ttk.Label(info_frame, text=n,
                              anchor='w', justify='left')
                l.grid(row=frow, column=0, sticky='nw', padx=4)
                l = ttk.Label(info_frame, text=t,
                              anchor='w', justify='left')
                l.grid(row=frow, column=1, sticky='nw', padx=4)
                frow += 1
        if images:
            try:
                from random import choice
                im = choice(images)
                f = os.path.join(cardset.dir, cardset.backname)
                self.back_image = loadImage(file=f) # store the image
                l = ttk.Label(info_frame, image=im, padding=5)
                l.grid(row=0, column=2, rowspan=frow+1, sticky='ne')
                l = ttk.Label(info_frame, image=self.back_image,
                              padding=(0,5,5,5)) # left margin = 0
                l.grid(row=0, column=3, rowspan=frow+1, sticky='ne')

                info_frame.columnconfigure(2, weight=1)
                info_frame.rowconfigure(frow, weight=1)
            except:
                traceback.print_exc()
                pass
        if USE_PIL:
            padx = 4
            pady = 0
            settings_frame = ttk.LabelFrame(frame, text=_('Settings'))
            settings_frame.grid(row=row, column=0, columnspan=2, sticky='ew',
                                padx=0, pady=5, ipadx=5, ipady=5)
            row += 1
            var = Tkinter.IntVar()
            self.x_offset = PysolScale(
                settings_frame, label=_('X offset:'),
                from_=5, to=40, resolution=1,
                orient='horizontal', variable=var,
                value=cardset.CARD_XOFFSET,
                #command=self._updateScale
                )
            self.x_offset.grid(row=0, column=0, sticky='ew',
                               padx=padx, pady=pady)
            var = Tkinter.IntVar()
            self.y_offset = PysolScale(
                settings_frame, label=_('Y offset:'),
                from_=5, to=40, resolution=1,
                orient='horizontal', variable=var,
                value=cardset.CARD_YOFFSET,
                #command=self._updateScale
                )
            self.y_offset.grid(row=1, column=0, sticky='ew',
                               padx=padx, pady=pady)
            row += 1

        ##bg = top_frame["bg"]
        bg = 'white'
        text_w = Tkinter.Text(frame, bd=1, relief="sunken", wrap="word",
                              padx=4, width=64, height=16, bg=bg)
        text_w.grid(row=row, column=0, sticky='nsew')
        sb = ttk.Scrollbar(frame)
        sb.grid(row=row, column=1, sticky='ns')
        text_w.configure(yscrollcommand=sb.set)
        sb.configure(command=text_w.yview)
        frame.columnconfigure(0, weight=1)
        frame.rowconfigure(1, weight=1)
        #
        text = ''
        f = os.path.join(cardset.dir, "COPYRIGHT")
        try:
            text = open(f).read()
        except:
            pass
        if text:
            text_w.config(state="normal")
            text_w.insert("insert", text)
        text_w.config(state="disabled")
        #
        focus = self.createButtons(bottom_frame, kw)
        #focus = text_w
        self.mainloop(focus, kw.timeout)

    def initKw(self, kw):
        if USE_PIL:
            strings = (_("&Save"),_("&Cancel"))
        else:
            strings = (_("&OK"),)
        kw = KwStruct(kw,
                      strings=strings,
                      default=0,
                      resizable=True,
                      separator=True,
                      )
        return MfxDialog.initKw(self, kw)

    def mDone(self, button):
        if USE_PIL and button == 0:
            self.cardset_values = self.x_offset.get(), self.y_offset.get()
        else:
            self.cardset_values = None
        MfxDialog.mDone(self, button)
コード例 #2
0
ファイル: selectcardset.py プロジェクト: hayate891/PySolFC
class CardsetInfoDialog(MfxDialog):
    def __init__(self, parent, title, cardset, images, **kw):
        kw = self.initKw(kw)
        MfxDialog.__init__(self, parent, title, kw.resizable, kw.default)
        top_frame, bottom_frame = self.createFrames(kw)
        self.createBitmaps(top_frame, kw)
        frame = ttk.Frame(top_frame)
        frame.pack(fill="both", expand=True, padx=5, pady=10)
        #
        #
        row = 0
        info_frame = ttk.LabelFrame(frame, text=_('About cardset'))
        info_frame.grid(row=row,
                        column=0,
                        columnspan=2,
                        sticky='ew',
                        padx=0,
                        pady=5,
                        ipadx=5,
                        ipady=5)
        row += 1
        styles = nationalities = year = None
        if cardset.si.styles:
            styles = '\n'.join([CSI.STYLE[i] for i in cardset.si.styles])
        if cardset.si.nationalities:
            nationalities = '\n'.join(
                [CSI.NATIONALITY[i] for i in cardset.si.nationalities])
        if cardset.year:
            year = str(cardset.year)
        frow = 0
        for n, t in (
                # ('Version:', str(cardset.version)),
            (_('Type:'), CSI.TYPE[cardset.type]),
            (_('Styles:'), styles),
            (_('Nationality:'), nationalities),
            (_('Year:'), year),
                # (_('Number of cards:'), str(cardset.ncards)),
            (_('Size:'), '%d x %d' % (cardset.CARDW, cardset.CARDH)),
        ):
            if t is not None:
                l = ttk.Label(info_frame, text=n, anchor='w', justify='left')
                l.grid(row=frow, column=0, sticky='nw', padx=4)
                l = ttk.Label(info_frame, text=t, anchor='w', justify='left')
                l.grid(row=frow, column=1, sticky='nw', padx=4)
                frow += 1
        if images:
            try:
                from random import choice
                im = choice(images)
                f = os.path.join(cardset.dir, cardset.backname)
                self.back_image = loadImage(file=f)  # store the image
                l = ttk.Label(info_frame, image=im, padding=5)
                l.grid(row=0, column=2, rowspan=frow + 1, sticky='ne')
                l = ttk.Label(info_frame,
                              image=self.back_image,
                              padding=(0, 5, 5, 5))  # left margin = 0
                l.grid(row=0, column=3, rowspan=frow + 1, sticky='ne')

                info_frame.columnconfigure(2, weight=1)
                info_frame.rowconfigure(frow, weight=1)
            except:
                pass
        if USE_PIL:
            padx = 4
            pady = 0
            settings_frame = ttk.LabelFrame(frame, text=_('Settings'))
            settings_frame.grid(row=row,
                                column=0,
                                columnspan=2,
                                sticky='ew',
                                padx=0,
                                pady=5,
                                ipadx=5,
                                ipady=5)
            row += 1
            var = Tkinter.IntVar()
            self.x_offset = PysolScale(
                settings_frame,
                label=_('X offset:'),
                from_=5,
                to=40,
                resolution=1,
                orient='horizontal',
                variable=var,
                value=cardset.CARD_XOFFSET,
                # command=self._updateScale
            )
            self.x_offset.grid(row=0,
                               column=0,
                               sticky='ew',
                               padx=padx,
                               pady=pady)
            var = Tkinter.IntVar()
            self.y_offset = PysolScale(
                settings_frame,
                label=_('Y offset:'),
                from_=5,
                to=40,
                resolution=1,
                orient='horizontal',
                variable=var,
                value=cardset.CARD_YOFFSET,
                # command=self._updateScale
            )
            self.y_offset.grid(row=1,
                               column=0,
                               sticky='ew',
                               padx=padx,
                               pady=pady)
            row += 1

        # bg = top_frame["bg"]
        bg = 'white'
        text_w = Tkinter.Text(frame,
                              bd=1,
                              relief="sunken",
                              wrap="word",
                              padx=4,
                              width=64,
                              height=16,
                              bg=bg)
        text_w.grid(row=row, column=0, sticky='nsew')
        sb = ttk.Scrollbar(frame)
        sb.grid(row=row, column=1, sticky='ns')
        text_w.configure(yscrollcommand=sb.set)
        sb.configure(command=text_w.yview)
        frame.columnconfigure(0, weight=1)
        frame.rowconfigure(1, weight=1)
        #
        text = ''
        f = os.path.join(cardset.dir, "COPYRIGHT")
        try:
            text = open(f).read()
        except:
            pass
        if text:
            text_w.config(state="normal")
            text_w.insert("insert", text)
        text_w.config(state="disabled")
        #
        focus = self.createButtons(bottom_frame, kw)
        # focus = text_w
        self.mainloop(focus, kw.timeout)

    def initKw(self, kw):
        if USE_PIL:
            strings = (_("&Save"), _("&Cancel"))
        else:
            strings = (_("&OK"), )
        kw = KwStruct(
            kw,
            strings=strings,
            default=0,
            resizable=True,
            separator=True,
        )
        return MfxDialog.initKw(self, kw)

    def mDone(self, button):
        if USE_PIL and button == 0:
            self.cardset_values = self.x_offset.get(), self.y_offset.get()
        else:
            self.cardset_values = None
        MfxDialog.mDone(self, button)
コード例 #3
0
ファイル: selectcardset.py プロジェクト: iske/PySolFC
class SelectCardsetDialogWithPreview(MfxDialog):
    Tree_Class = SelectCardsetTree
    TreeDataHolder_Class = SelectCardsetTree
    TreeData_Class = SelectCardsetData

    def __init__(self, parent, title, app, manager, key=None, **kw):
        kw = self.initKw(kw)
        MfxDialog.__init__(self, parent, title, kw.resizable, kw.default)
        top_frame, bottom_frame = self.createFrames(kw)
        self.createBitmaps(top_frame, kw)
        #
        if key is None:
            key = manager.getSelected()
        self.manager = manager
        self.key = key
        self.app = app
        self.cardset_values = None
        #padx, pady = kw.padx, kw.pady
        padx, pady = 5, 5
        if self.TreeDataHolder_Class.data is None:
            self.TreeDataHolder_Class.data = self.TreeData_Class(manager, key)
        #
        self.top.wm_minsize(400, 200)
        if self.top.winfo_screenwidth() >= 800:
            w1, w2 = 240, 400
        else:
            w1, w2 = 200, 300
        paned_window = ttk.PanedWindow(top_frame, orient='horizontal')
        paned_window.pack(expand=True, fill='both')
        left_frame = ttk.Frame(paned_window)
        right_frame = ttk.Frame(paned_window)
        paned_window.add(left_frame)
        paned_window.add(right_frame)
        font = app.getFont("default")
        self.tree = self.Tree_Class(self, left_frame, key=key,
                                    default=kw.default,
                                    font=font, width=w1)
        self.tree.frame.grid(row=0, column=0, sticky='nsew',
                             padx=padx, pady=pady)
        if USE_PIL:
            #
            var = Tkinter.DoubleVar()
            var.set(app.opt.scale_x)
            self.scale_x = PysolScale(
                left_frame, label=_('Scale X:'),
                from_=0.5, to=4.0, resolution=0.1,
                orient='horizontal', variable=var,
                value=app.opt.scale_x,
                command=self._updateScale)
            self.scale_x.grid(row=1, column=0, sticky='ew', padx=padx, pady=pady)
            #
            var = Tkinter.DoubleVar()
            var.set(app.opt.scale_y)
            self.scale_y = PysolScale(
                left_frame, label=_('Scale Y:'),
                from_=0.5, to=4.0, resolution=0.1,
                orient='horizontal', variable=var,
                value=app.opt.scale_y,
                command=self._updateScale)
            self.scale_y.grid(row=2, column=0, sticky='ew', padx=padx, pady=pady)
            #
            self.auto_scale = Tkinter.BooleanVar()
            self.auto_scale.set(app.opt.auto_scale)
            check = ttk.Checkbutton(
                left_frame, text=_('Auto scaling'),
                variable=self.auto_scale,
                takefocus=False,
                command=self._updateAutoScale
                )
            check.grid(row=3, column=0, columnspan=2, sticky='ew',
                       padx=padx, pady=pady)
            #
            self.preserve_aspect = Tkinter.BooleanVar()
            self.preserve_aspect.set(app.opt.preserve_aspect_ratio)
            self.aspect_check = ttk.Checkbutton(
                left_frame, text=_('Preserve aspect ratio'),
                variable=self.preserve_aspect,
                takefocus=False,
                #command=self._updateScale
                )
            self.aspect_check.grid(row=4, column=0, sticky='ew',
                                   padx=padx, pady=pady)
            self._updateAutoScale()
        #
        left_frame.rowconfigure(0, weight=1)
        left_frame.columnconfigure(0, weight=1)
        #
        self.preview = MfxScrolledCanvas(right_frame, width=w2)
        self.preview.setTile(app, app.tabletile_index, force=True)
        self.preview.pack(fill='both', expand=True, padx=padx, pady=pady)
        self.preview.canvas.preview = 1
        # create a preview of the current state
        self.preview_key = -1
        self.preview_images = []
        self.scale_images = []
        self.updatePreview(key)
        #
        focus = self.createButtons(bottom_frame, kw)
        focus = self.tree.frame
        self.mainloop(focus, kw.timeout)

    def destroy(self):
        self.tree.updateNodesWithTree(self.tree.rootnodes, None)
        self.tree.destroy()
        self.preview.unbind_all()
        self.preview_images = []
        MfxDialog.destroy(self)

    def initKw(self, kw):
        if USE_PIL:
            s = (_("&Info / Settings..."), 10)
        else:
            s = (_("&Info..."), 10)
        kw = KwStruct(kw,
                      strings = (s, 'sep',
                                 _("&OK"), _("&Cancel"),),
                      default=0,
                      resizable=True,
                      )
        return MfxDialog.initKw(self, kw)

    def mDone(self, button):
        if button in (0, 1):            # Load/Cancel
            self.key = self.tree.selection_key
            self.tree.n_expansions = 1  # save xyview in any case
            if USE_PIL:
                auto_scale = bool(self.auto_scale.get())
                if button == 1:
                    self.app.menubar.tkopt.auto_scale.set(auto_scale)
                if auto_scale:
                    self.scale_values = (self.app.opt.scale_x,
                                         self.app.opt.scale_y,
                                         auto_scale,
                                         bool(self.preserve_aspect.get()))
                else:
                    self.scale_values = (self.scale_x.get(),
                                         self.scale_y.get(),
                                         auto_scale,
                                         self.app.opt.preserve_aspect_ratio)
        if button == 10:                # Info
            cs = self.manager.get(self.tree.selection_key)
            if not cs:
                return
            ##title = CARDSET+" "+cs.name
            title = CARDSET.capitalize()+" "+cs.name
            d = CardsetInfoDialog(self.top, title=title, cardset=cs,
                                  images=self.preview_images)
            self.cardset_values = d.cardset_values
            return
        MfxDialog.mDone(self, button)

    def _updateAutoScale(self, v=None):
        if self.auto_scale.get():
            self.aspect_check.config(state='normal')
            self.scale_x.state('disabled')
            self.scale_y.state('disabled')
        else:
            self.aspect_check.config(state='disabled')
            self.scale_x.state('!disabled')
            self.scale_y.state('!disabled')

    def _updateScale(self, v):
        self.updatePreview()

    def updatePreview(self, key=None):
        if key == self.preview_key:
            return
        if key is None:
            key = self.key
        canvas = self.preview.canvas
        canvas.deleteAllItems()
        self.preview_images = []
        cs = self.manager.get(key)
        if not cs:
            self.preview_key = -1
            return
        names, columns = cs.getPreviewCardNames()
        try:
            #???names, columns = cs.getPreviewCardNames()
            for n in names:
                f = os.path.join(cs.dir, n + cs.ext)
                self.preview_images.append(loadImage(file=f))
        except:
            self.preview_key = -1
            self.preview_images = []
            return
        i, x, y, sx, sy, dx, dy = 0, 10, 10, 0, 0, cs.CARDW + 10, cs.CARDH + 10
        if USE_PIL:
            xf = self.scale_x.get()
            yf = self.scale_y.get()
            dx = int(dx*xf)
            dy = int(dy*yf)
            self.scale_images = []
        for image in self.preview_images:
            if USE_PIL:
                image = image.resize(xf, yf)
                self.scale_images.append(image)
            MfxCanvasImage(canvas, x, y, anchor="nw", image=image)
            sx, sy = max(x, sx), max(y, sy)
            i = i + 1
            if i % columns == 0:
                x, y = 10, y + dy
            else:
                x = x + dx
        canvas.config(scrollregion=(0, 0, sx+dx, sy+dy),
                      width=sx+dx, height=sy+dy)
        #canvas.config(xscrollincrement=dx, yscrollincrement=dy)
        canvas.event_generate('<Configure>') # update bg image
        self.preview_key = key
        self.key = key
コード例 #4
0
ファイル: selectcardset.py プロジェクト: hayate891/PySolFC
class SelectCardsetDialogWithPreview(MfxDialog):
    Tree_Class = SelectCardsetTree
    TreeDataHolder_Class = SelectCardsetTree
    TreeData_Class = SelectCardsetData

    def __init__(self, parent, title, app, manager, key=None, **kw):
        kw = self.initKw(kw)
        MfxDialog.__init__(self, parent, title, kw.resizable, kw.default)
        top_frame, bottom_frame = self.createFrames(kw)
        self.createBitmaps(top_frame, kw)
        #
        if key is None:
            key = manager.getSelected()
        self.manager = manager
        self.key = key
        self.app = app
        self.cardset_values = None
        # padx, pady = kw.padx, kw.pady
        padx, pady = 5, 5
        if self.TreeDataHolder_Class.data is None:
            self.TreeDataHolder_Class.data = self.TreeData_Class(manager, key)
        #
        self.top.wm_minsize(400, 200)
        if self.top.winfo_screenwidth() >= 800:
            w1, w2 = 240, 400
        else:
            w1, w2 = 200, 300
        paned_window = ttk.PanedWindow(top_frame, orient='horizontal')
        paned_window.pack(expand=True, fill='both')
        left_frame = ttk.Frame(paned_window)
        right_frame = ttk.Frame(paned_window)
        paned_window.add(left_frame)
        paned_window.add(right_frame)
        font = app.getFont("default")
        self.tree = self.Tree_Class(self,
                                    left_frame,
                                    key=key,
                                    default=kw.default,
                                    font=font,
                                    width=w1)
        self.tree.frame.grid(row=0,
                             column=0,
                             sticky='nsew',
                             padx=padx,
                             pady=pady)
        if USE_PIL:
            #
            var = Tkinter.DoubleVar()
            var.set(app.opt.scale_x)
            self.scale_x = PysolScale(left_frame,
                                      label=_('Scale X:'),
                                      from_=0.5,
                                      to=4.0,
                                      resolution=0.1,
                                      orient='horizontal',
                                      variable=var,
                                      value=app.opt.scale_x,
                                      command=self._updateScale)
            self.scale_x.grid(row=1,
                              column=0,
                              sticky='ew',
                              padx=padx,
                              pady=pady)
            #
            var = Tkinter.DoubleVar()
            var.set(app.opt.scale_y)
            self.scale_y = PysolScale(left_frame,
                                      label=_('Scale Y:'),
                                      from_=0.5,
                                      to=4.0,
                                      resolution=0.1,
                                      orient='horizontal',
                                      variable=var,
                                      value=app.opt.scale_y,
                                      command=self._updateScale)
            self.scale_y.grid(row=2,
                              column=0,
                              sticky='ew',
                              padx=padx,
                              pady=pady)
            #
            self.auto_scale = Tkinter.BooleanVar()
            self.auto_scale.set(app.opt.auto_scale)
            check = ttk.Checkbutton(left_frame,
                                    text=_('Auto scaling'),
                                    variable=self.auto_scale,
                                    takefocus=False,
                                    command=self._updateAutoScale)
            check.grid(row=3,
                       column=0,
                       columnspan=2,
                       sticky='ew',
                       padx=padx,
                       pady=pady)
            #
            self.preserve_aspect = Tkinter.BooleanVar()
            self.preserve_aspect.set(app.opt.preserve_aspect_ratio)
            self.aspect_check = ttk.Checkbutton(
                left_frame,
                text=_('Preserve aspect ratio'),
                variable=self.preserve_aspect,
                takefocus=False,
                # command=self._updateScale
            )
            self.aspect_check.grid(row=4,
                                   column=0,
                                   sticky='ew',
                                   padx=padx,
                                   pady=pady)
            self._updateAutoScale()
        #
        left_frame.rowconfigure(0, weight=1)
        left_frame.columnconfigure(0, weight=1)
        #
        self.preview = MfxScrolledCanvas(right_frame, width=w2)
        self.preview.setTile(app, app.tabletile_index, force=True)
        self.preview.pack(fill='both', expand=True, padx=padx, pady=pady)
        self.preview.canvas.preview = 1
        # create a preview of the current state
        self.preview_key = -1
        self.preview_images = []
        self.scale_images = []
        self.updatePreview(key)
        #
        focus = self.createButtons(bottom_frame, kw)
        focus = self.tree.frame
        self.mainloop(focus, kw.timeout)

    def destroy(self):
        self.tree.updateNodesWithTree(self.tree.rootnodes, None)
        self.tree.destroy()
        self.preview.unbind_all()
        self.preview_images = []
        MfxDialog.destroy(self)

    def initKw(self, kw):
        if USE_PIL:
            s = (_("&Info / Settings..."), 10)
        else:
            s = (_("&Info..."), 10)
        kw = KwStruct(
            kw,
            strings=(
                s,
                'sep',
                _("&OK"),
                _("&Cancel"),
            ),
            default=0,
            resizable=True,
        )
        return MfxDialog.initKw(self, kw)

    def mDone(self, button):
        if button in (0, 1):  # Load/Cancel
            self.key = self.tree.selection_key
            self.tree.n_expansions = 1  # save xyview in any case
            if USE_PIL:
                auto_scale = bool(self.auto_scale.get())
                if button == 1:
                    self.app.menubar.tkopt.auto_scale.set(auto_scale)
                if auto_scale:
                    self.scale_values = (self.app.opt.scale_x,
                                         self.app.opt.scale_y, auto_scale,
                                         bool(self.preserve_aspect.get()))
                else:
                    self.scale_values = (self.scale_x.get(),
                                         self.scale_y.get(), auto_scale,
                                         self.app.opt.preserve_aspect_ratio)
        if button == 10:  # Info
            cs = self.manager.get(self.tree.selection_key)
            if not cs:
                return
            # title = CARDSET+" "+cs.name
            title = CARDSET.capitalize() + " " + cs.name
            d = CardsetInfoDialog(self.top,
                                  title=title,
                                  cardset=cs,
                                  images=self.preview_images)
            self.cardset_values = d.cardset_values
            return
        MfxDialog.mDone(self, button)

    def _updateAutoScale(self, v=None):
        if self.auto_scale.get():
            self.aspect_check.config(state='normal')
            self.scale_x.state('disabled')
            self.scale_y.state('disabled')
        else:
            self.aspect_check.config(state='disabled')
            self.scale_x.state('!disabled')
            self.scale_y.state('!disabled')

    def _updateScale(self, v):
        self.updatePreview()

    def updatePreview(self, key=None):
        if key == self.preview_key:
            return
        if key is None:
            key = self.key
        canvas = self.preview.canvas
        canvas.deleteAllItems()
        self.preview_images = []
        cs = self.manager.get(key)
        if not cs:
            self.preview_key = -1
            return
        names, columns = cs.getPreviewCardNames()
        try:
            # ???names, columns = cs.getPreviewCardNames()
            for n in names:
                f = os.path.join(cs.dir, n + cs.ext)
                self.preview_images.append(loadImage(file=f))
        except:
            self.preview_key = -1
            self.preview_images = []
            return
        i, x, y, sx, sy, dx, dy = 0, 10, 10, 0, 0, cs.CARDW + 10, cs.CARDH + 10
        if USE_PIL:
            xf = self.scale_x.get()
            yf = self.scale_y.get()
            dx = int(dx * xf)
            dy = int(dy * yf)
            self.scale_images = []
        for image in self.preview_images:
            if USE_PIL:
                image = image.resize(xf, yf)
                self.scale_images.append(image)
            MfxCanvasImage(canvas, x, y, anchor="nw", image=image)
            sx, sy = max(x, sx), max(y, sy)
            i = i + 1
            if i % columns == 0:
                x, y = 10, y + dy
            else:
                x = x + dx
        canvas.config(scrollregion=(0, 0, sx + dx, sy + dy),
                      width=sx + dx,
                      height=sy + dy)
        # canvas.config(xscrollincrement=dx, yscrollincrement=dy)
        canvas.event_generate('<Configure>')  # update bg image
        self.preview_key = key
        self.key = key