mirror of https://github.com/GNOME/gimp.git
365 lines
10 KiB
Python
365 lines
10 KiB
Python
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'''This module implements the UI items found in the libgimpui library.
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It requires pygtk to work. These functions take use to callbacks -- one
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is a constraint function, and the other is the callback object. The
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constraint function takes an image object as its first argument, and
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a drawable object as its second if appropriate. The callback functions
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get the selected object as their first argument, and the user data as
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the second.
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It also implements a number of selector widgets, which can be used to select
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various gimp data types. Each of these selectors takes default as an argument
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to the constructor, and has a get_value() method for retrieving the result.
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'''
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import gtk, gimp
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def _callbackWrapper(menu_item, callback, data):
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callback(menu_item.get_data("Gimp-ID"), data)
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def _createMenu(items, callback, data):
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menu = gtk.GtkMenu()
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if not items:
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items = [("(none)", None)]
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for label, id in items:
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menu_item = gtk.GtkMenuItem(label)
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menu_item.set_data("Gimp-ID", id)
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menu.add(menu_item)
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if callback:
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menu_item.connect("activate", _callbackWrapper,
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callback, data)
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menu_item.show()
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return menu
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def ImageMenu(constraint=None, callback=None, data=None):
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items = []
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for img in gimp.query_images():
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if constraint and not constraint(img):
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continue
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items.append((img.filename, img))
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items.sort()
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return _createMenu(items, callback, data)
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def LayerMenu(constraint=None, callback=None, data=None):
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items = []
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for img in gimp.query_images():
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filename = img.filename
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for layer in img.layers:
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if constraint and not constraint(img, layer):
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continue
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name = filename + "/" + layer.name
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items.append((name, layer))
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items.sort()
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return _createMenu(items, callback, data)
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def ChannelMenu(constraint=None, callback=None, data=None):
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items = []
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for img in gimp.query_images():
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filename = img.filename
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for channel in img.channels:
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if constraint and not constraint(img, channel):
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continue
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name = filename + "/" + channel.name
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items.append((name, channel))
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items.sort()
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return _createMenu(items, callback, data)
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def DrawableMenu(constraint=None, callback=None, data=None):
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items = []
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for img in gimp.query_images():
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filename = img.filename
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for drawable in img.layers + img.channels:
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if constraint and not constraint(img, drawable):
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continue
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name = filename + "/" + drawable.name
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items.append((name, drawable))
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items.sort()
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return _createMenu(items, callback, data)
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class ImageSelector(gtk.GtkOptionMenu):
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def __init__(self, default=None):
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gtk.GtkOptionMenu.__init__(self)
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self.menu = ImageMenu(None, self.clicked)
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self.set_menu(self.menu)
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self.selected = default
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children = self.menu.children()
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for child in range(len(children)):
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if children[child].get_data("Gimp-ID") == default:
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self.set_history(child)
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break
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def clicked(self, img, data=None):
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self.selected = img
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def get_value(self):
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return self.selected
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class LayerSelector(gtk.GtkOptionMenu):
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def __init__(self, default=None):
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gtk.GtkOptionMenu.__init__(self)
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self.menu = LayerMenu(None, self.clicked)
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self.set_menu(self.menu)
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self.selected = default
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children = self.menu.children()
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for child in range(len(children)):
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if children[child].get_data("Gimp-ID") == default:
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self.set_history(child)
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break
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def clicked(self, layer, data=None):
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self.selected = layer
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def get_value(self):
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return self.selected
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class ChannelSelector(gtk.GtkOptionMenu):
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def __init__(self, default=None):
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gtk.GtkOptionMenu.__init__(self)
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self.menu = ChannelMenu(None, self.clicked)
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self.set_menu(self.menu)
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self.selected = default
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children = self.menu.children()
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for child in range(len(children)):
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if children[child].get_data("Gimp-ID") == default:
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self.set_history(child)
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break
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def clicked(self, channel, data=None):
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self.selected = channel
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def get_value(self):
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return self.selected
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class DrawableSelector(gtk.GtkOptionMenu):
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def __init__(self, default=None):
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gtk.GtkOptionMenu.__init__(self)
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self.menu = DrawableMenu(None, self.clicked)
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self.set_menu(self.menu)
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self.selected = default
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children = self.menu.children()
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for child in range(len(children)):
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if children[child].get_data("Gimp-ID") == default:
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self.set_history(child)
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break
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def clicked(self, drawable, data=None):
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self.selected = drawable
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def get_value(self):
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return self.selected
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class ColourSelector(gtk.GtkButton):
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def __init__(self, default=(255, 0, 0)):
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gtk.GtkButton.__init__(self)
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self.set_usize(100, 20)
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self.colour = default
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self.update_colour()
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self.dialog = None
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self.connect("clicked", self.show_dialog)
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def update_colour(self):
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r, g, b = self.colour
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colour = self.get_colormap().alloc(r*256, g*256, b*256)
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style = self.get_style().copy()
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style.bg[gtk.STATE_NORMAL] = colour
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style.bg[gtk.STATE_PRELIGHT] = colour
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self.set_style(style)
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self.queue_draw()
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def show_dialog(self, button):
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if self.dialog:
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self.dialog.show()
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return
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self.dialog = gtk.GtkColorSelectionDialog("Colour")
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self.dialog.colorsel.set_color(tuple(map(lambda x: x/255.0,
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self.colour)))
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def delete_event(win, event):
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win.hide()
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return gtk.TRUE
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self.dialog.connect("delete_event", delete_event)
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self.dialog.ok_button.connect("clicked", self.selection_ok)
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self.dialog.cancel_button.connect("clicked", self.dialog.hide)
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self.dialog.show()
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def selection_ok(self, button):
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colour = self.dialog.colorsel.get_color()
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self.colour = tuple(map(lambda x: int(x*255.99), colour))
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self.update_colour()
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self.dialog.hide()
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def get_value(self):
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return self.colour
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class _Selector(gtk.GtkHBox):
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def __init__(self):
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gtk.GtkHBox.__init__(self, gtk.FALSE, 5)
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self.entry = gtk.GtkEntry()
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self.pack_start(self.entry)
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self.entry.show()
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self.button = gtk.GtkButton("...")
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self.button.connect("clicked", self.show_dialog)
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self.pack_start(self.button, expand=gtk.FALSE)
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self.button.show()
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self.dialog = gtk.GtkDialog()
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self.dialog.set_title(self.get_title())
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def delete_event(win, event):
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win.hide()
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return gtk.TRUE
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self.dialog.connect("delete_event", delete_event)
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box = gtk.GtkVBox()
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box.set_border_width(5)
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self.dialog.vbox.pack_start(box)
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box.show()
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swin = gtk.GtkScrolledWindow()
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swin.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
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box.pack_start(swin)
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swin.show()
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items = map(None, self.get_list())
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list = gtk.GtkList()
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list.set_selection_mode(gtk.SELECTION_BROWSE)
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self.selected = self.get_default()
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self.entry.set_text(self.selected)
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items.sort()
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for s in items:
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item = gtk.GtkListItem(s)
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list.add(item)
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if s == self.selected:
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list.select_child(item)
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item.show()
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swin.add_with_viewport(list)
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list.show()
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b = gtk.GtkButton("OK")
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self.dialog.action_area.pack_start(b)
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b.set_flags(gtk.CAN_DEFAULT)
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b.grab_default()
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b.show()
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b.connect("clicked", self.selection_ok, list)
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b = gtk.GtkButton("Cancel")
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self.dialog.action_area.pack_start(b)
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b.set_flags(gtk.CAN_DEFAULT)
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b.show()
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b.connect("clicked", self.dialog.hide)
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self.dialog.set_usize(300, 225)
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def show_dialog(self, button):
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self.dialog.show()
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def selection_ok(self, button, list):
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self.dialog.hide()
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sel = list.get_selection()
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if not sel: return
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self.selected = sel[0].children()[0].get()
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self.entry.set_text(self.selected)
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def get_value(self):
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return self.selected
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class PatternSelector(_Selector):
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def __init__(self, default=""):
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self.default = default
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_Selector.__init__(self)
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def get_default(self):
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return self.default
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def get_title(self):
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return "Patterns"
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def get_list(self):
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num, patterns = gimp.pdb.gimp_patterns_list()
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return patterns
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class BrushSelector(_Selector):
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def __init__(self, default=""):
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self.default = default
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_Selector.__init__(self)
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def get_default(self):
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return self.default
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def get_title(self):
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return "Brushes"
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def get_list(self):
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num, brushes = gimp.pdb.gimp_brushes_list()
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return brushes
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class GradientSelector(_Selector):
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def __init__(self, default=""):
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self.default = default
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_Selector.__init__(self)
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def get_default(self):
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return self.default
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def get_title(self):
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return "Gradients"
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def get_list(self):
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num, gradients = gimp.pdb.gimp_gradients_get_list()
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return gradients
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class FontSelector(gtk.GtkHBox):
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def __init__(self, default="fixed"):
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gtk.GtkHBox.__init__(self, gtk.FALSE, 5)
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self.entry = gtk.GtkEntry()
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self.pack_start(self.entry)
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self.entry.show()
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self.button = gtk.GtkButton("...")
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self.button.connect("clicked", self.show_dialog)
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self.pack_start(self.button, expand=gtk.FALSE)
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self.button.show()
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self.dialog = gtk.GtkFontSelectionDialog("Fonts")
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self.dialog.set_default_size(400, 300)
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def delete_event(win, event):
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win.hide()
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return gtk.TRUE
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self.dialog.connect("delete_event", delete_event)
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self.dialog.ok_button.connect("clicked", self.selection_ok)
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self.dialog.cancel_button.connect("clicked", self.dialog.hide)
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self.dialog.set_font_name(default)
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self.selected = default
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self.entry.set_text(self.selected)
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def show_dialog(self, button):
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self.dialog.show()
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def selection_ok(self, button):
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self.dialog.hide()
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self.selected = self.dialog.get_font_name()
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self.entry.set_text(self.selected)
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def get_value(self):
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return self.selected
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class FileSelector(gtk.GtkHBox):
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def __init__(self, default=""):
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gtk.GtkHBox.__init__(self, gtk.FALSE, 5)
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self.entry = gtk.GtkEntry()
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self.pack_start(self.entry)
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self.entry.show()
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self.button = gtk.GtkButton("...")
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self.button.connect("clicked", self.show_dialog)
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self.pack_start(self.button, expand=gtk.FALSE)
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self.button.show()
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self.dialog = gtk.GtkFileSelection("Fonts")
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self.dialog.set_default_size(400, 300)
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def delete_event(win, event):
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win.hide()
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return gtk.TRUE
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self.dialog.connect("delete_event", delete_event)
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self.dialog.ok_button.connect("clicked", self.selection_ok)
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self.dialog.cancel_button.connect("clicked", self.dialog.hide)
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self.dialog.set_filename(default)
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self.selected = self.dialog.get_filename()
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self.entry.set_text(self.selected)
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def show_dialog(self, button):
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self.dialog.show()
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def selection_ok(self, button):
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self.dialog.hide()
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self.selected = self.dialog.get_filename()
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self.entry.set_text(self.selected)
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def get_value(self):
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return self.selected
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