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#!/usr/bin/env python
# Copyright (c) 2007 Randal Barlow
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import gtk
from gtk import gdk
import gobject
import pango
import awn
from stacks_backend import *
from stacks_backend_file import *
from stacks_backend_folder import *
from stacks_config import StacksConfig
from stacks_launcher import LaunchManager
from stacks_icons import IconFactory
from stacks_vfs import *
"""
Main Applet class
"""
class StacksGuiDialog:
# Structures
dialog = None
hbox = None
table = None
navbuttons = None
bt_left = None
bt_right = None
applet = None
config = None
store = None
current_page = 0
# Status values
context_menu_visible = False
just_dragged = False
hide_timer = None
hide_timeout = 500
dnd_targets = [("text/uri-list", 0, 0), ("text/plain", 0, 1)]
signal_ids = []
def __init__ (self, applet):
# connect to events
self.applet = applet
self.signal_ids.append(applet.connect("stacks-gui-hide", self._stacks_gui_hide_cb))
self.signal_ids.append(applet.connect("stacks-gui-show", self._stacks_gui_show_cb))
self.signal_ids.append(applet.connect("stacks-gui-toggle", self._stacks_gui_toggle_cb))
self.signal_ids.append(applet.connect("stacks-gui-destroy", self._destroy_cb))
self.signal_ids.append(applet.connect("stacks-config-changed", self._stacks_config_changed_cb))
self.signal_ids.append(applet.connect("stacks-item-removed", self._item_removed_cb))
self.signal_ids.append(applet.connect("stacks-item-created", self._item_created_cb))
self.signal_ids.append(applet.connect("stacks-gui-request-hide", self._stacks_gui_request_hide))
def is_visible(self):
if self.dialog is None: return False
return self.dialog.flags() & gtk.VISIBLE != 0
def _destroy_cb(self, widget):
for id in self.signal_ids: self.applet.disconnect(id)
if self.dialog: self.dialog.destroy()
def _stacks_gui_hide_cb(self, widget = None):
self.reset_hide_timer()
if self.dialog:
self.dialog.hide()
def _stacks_gui_show_cb(self, widget):
self.dialog_show_new(self.current_page)
def _stacks_gui_toggle_cb(self, widget):
if self.is_visible(): return self._stacks_gui_hide_cb(None)
return self._stacks_gui_show_cb(None)
def reset_hide_timer(self):
#print "hide timer reset"
if self.hide_timer:
gobject.source_remove(self.hide_timer)
self.hide_timer = None
def _stacks_gui_request_hide(self, widget = None):
#print "request hide"
#if self.hide_timer == None:
# self.hide_timer = gobject.timeout_add (self.hide_timeout, self._stacks_gui_hide_cb )
return True
def _stacks_config_changed_cb(self, widget, config):
self.config = config
def _item_removed_cb(self, widget, store, iter):
self.store = store
if self.is_visible():
return self._stacks_gui_show_cb(None)
# launches the command for a stack icon
# -distinguishes desktop items
def item_button_cb(self, widget, event, user_data):
uri, mimetype = user_data
if event.button == 3:
self.context_menu_visible = True
self.dialog.props.hide_on_unfocus = False
self.item_context_menu(uri).popup(None, None, None, event.button, event.time)
elif event.button == 1:
if self.just_dragged:
self.just_dragged = False
else:
self.item_activated_cb(None, user_data)
def item_activated_cb(self, widget, user_data):
uri, mimetype = user_data
if uri.as_string().endswith(".desktop"):
LaunchManager().launch_dot_desktop(uri.as_string())
else:
LaunchManager().launch_uri(uri.as_string(), mimetype)
self._stacks_gui_hide_cb(widget)
def item_drag_data_get(
self, widget, context, selection, info, time, vfs_uri):
selection.set_uris([vfs_uri.as_string()])
def item_drag_begin(self, widget, context):
self.just_dragged = True
def button_drag_motion(self, widget, context, x, y, time):
return True
def button_drag_leave(self, widget, context, time):
self.applet.effects.stop(awn.EFFECT_LAUNCHING)
return
def button_drag_drop(self, widget, context, x, y,
selection, targetType, time, target_uri):
self._stacks_gui_hide_cb(widget)
self.applet.effects.stop(awn.EFFECT_LAUNCHING)
vfs_uris = []
for uri in selection.data.split():
try:
vfs_uris.append(VfsUri(uri))
except TypeError:
pass
src_lst = []
dst_lst = []
vfs_uri_lst = []
for vfs_uri in vfs_uris:
dst_uri = target_uri.create_child(vfs_uri.as_uri())
src_lst.append(vfs_uri.as_uri())
dst_lst.append(dst_uri)
GUITransfer(src_lst, dst_lst, context.action)
return True
def item_clear_cb(self, widget, uri):
self.applet.backend.remove([uri])
def item_menu_hide_cb(self, widget):
self.context_menu_visible = False
self.dialog.props.hide_on_unfocus = True
def item_context_menu(self, uri):
self.context_menu_visible = True
context_menu = gtk.Menu()
del_item = gtk.ImageMenuItem(stock_id=gtk.STOCK_CLEAR)
context_menu.append(del_item)
del_item.connect_object("activate", self.item_clear_cb, self, uri)
context_menu.connect("hide", self.item_menu_hide_cb)
context_menu.show_all()
return context_menu
def _item_created_cb(self, widget, store, iter):
if store:
self.store = store
# get values from store
vfs_uri, lbl_text, mime_type, icon, button = self.store.get(
iter, COL_URI, COL_LABEL, COL_MIMETYPE, COL_ICON, COL_BUTTON)
if button:
return button
icon_size = self.config['icon_size']
# create new button
button = gtk.Button()
button.set_relief(gtk.RELIEF_NONE)
button.add_events(gtk.gdk.BUTTON_PRESS_MASK |
gtk.gdk.BUTTON_RELEASE_MASK |
gtk.gdk.POINTER_MOTION_MASK |
gtk.gdk.LEAVE_NOTIFY)
button.drag_source_set( gtk.gdk.BUTTON1_MASK,
self.applet.dnd_targets,
self.config['fileops'])
button.drag_source_set_icon_pixbuf(icon)
button.connect( "button-release-event",
self.item_button_cb,
(vfs_uri, mime_type))
button.connect( "activate",
self.item_activated_cb,
(vfs_uri, mime_type))
button.connect( "drag-data-get",
self.item_drag_data_get,
vfs_uri)
button.connect( "drag-begin",
self.item_drag_begin)
if mime_type == "x-directory/normal":
button.connect("drag-motion", self.button_drag_motion)
button.connect("drag-leave", self.button_drag_leave)
button.connect("drag-data-received", self.button_drag_drop,vfs_uri)
button.drag_dest_set( gtk.DEST_DEFAULT_ALL,
self.dnd_targets,
self.config['fileops'])
# add to vbox
vbox = gtk.VBox(False, 4)
button.add(vbox)
# icon -> button.image
image = gtk.Image()
image.set_from_pixbuf(icon)
image.set_size_request(icon_size, icon_size)
vbox.pack_start(image, False, False, 0)
# label
label = gtk.Label(lbl_text)
label.set_justify(gtk.JUSTIFY_CENTER)
label.set_line_wrap(True)
# pango layout
layout = label.get_layout()
lw, lh = layout.get_size()
layout.set_width(int(1.5 * icon_size) * pango.SCALE)
layout.set_wrap(pango.WRAP_WORD_CHAR)
layout.set_alignment(pango.ALIGN_CENTER)
_lbltxt = label.get_text()
lbltxt = ""
for i in range(layout.get_line_count()):
length = layout.get_line(i).length
lbltxt += str(_lbltxt[0:length]) + '\n'
_lbltxt = _lbltxt[length:]
label.set_text(lbltxt)
label.set_size_request(-1, lh*2/pango.SCALE)
# add to vbox
vbox.pack_start(label, True, True, 0)
vbox.set_size_request(int(1.5 * icon_size), -1)
self.store.set_value(iter, COL_BUTTON, button)
return button
def dialog_show_prev_page(self, widget):
self.dialog_show_new(self.current_page-1)
def dialog_show_next_page(self, widget):
self.dialog_show_new(self.current_page+1)
def stack_drag_motion_event(self, *args):
self.reset_hide_timer()
def dialog_focus_out(self, widget, event):
if self.context_menu_visible: return
if self.config['close_on_focusout']:
self._stacks_gui_hide_cb(widget)
def dialog_drag_leave_event(self, *args):
self._stacks_gui_request_hide()
def dialog_show_new(self, page=0):
assert page >= 0
self.current_page = page
# create new dialog if it does not exists yet
if not self.dialog:
self.dialog = awn.Dialog (self.applet)
self.dialog.add_events(gtk.gdk.BUTTON_PRESS_MASK |
gtk.gdk.BUTTON_RELEASE_MASK |
gtk.gdk.POINTER_MOTION_MASK |
gtk.gdk.LEAVE_NOTIFY |
gtk.gdk.DRAG_MOTION |
gtk.gdk.DRAG_ENTER |
gtk.gdk.DRAG_LEAVE |
gtk.gdk.DRAG_STATUS |
gtk.gdk.DROP_START |
gtk.gdk.DROP_FINISHED)
self.dialog.set_focus_on_map(True)
self.dialog.set_keep_above(True)
self.dialog.props.hide_on_unfocus = True
#self.dialog.connect("focus-out-event", self.dialog_focus_out)
self.dialog.connect("drag-leave", self.dialog_drag_leave_event)
self.dialog.connect("drag-motion", self.stack_drag_motion_event)
self.dialog.set_title(self.applet.backend.get_title())
self.hbox = gtk.HBox(False, 0)
self.dialog.add(self.hbox)
# create dialog's internals
rows = self.config['rows']
cols = self.config['cols']
self.store = self.applet.backend.get_store()
iter = self.store.iter_nth_child(None, page * rows * cols)
if self.table:
for item in self.table.get_children():
self.table.remove(item)
self.table.destroy()
if page > 0:
self.table = gtk.Table(rows, cols, True)
else:
self.table = gtk.Table(1, 1, True)
self.table.set_resize_mode(gtk.RESIZE_PARENT)
self.table.set_row_spacings(0)
self.table.set_col_spacings(0)
x=y=0
theres_more = False
while iter:
button = self.store.get_value(iter, COL_BUTTON)
if not button:
button = self._item_created_cb(None, None, iter)
t = button.get_parent()
if t:
t.remove(button)
self.table.attach(button, x, x+1, y, y+1)
iter = self.store.iter_next(iter)
x += 1
if x == cols:
x = 0
y += 1
if y == rows:
theres_more = (iter is not None)
break
self.hbox.add(self.table)
# if we have more than 1 page and browsing is enabled
if self.config['browsing'] and (theres_more or page > 0):
if self.navbuttons is None:
self.navbuttons = gtk.HButtonBox()
self.navbuttons.set_layout(gtk.BUTTONBOX_EDGE)
self.dialog.add(self.navbuttons)
self.bt_left = gtk.Button(stock=gtk.STOCK_GO_BACK)
self.bt_left.set_use_stock(True)
self.bt_left.set_relief(gtk.RELIEF_NONE)
self.bt_left.connect("clicked", self.dialog_show_prev_page)
self.navbuttons.add(self.bt_left)
self.bt_right = gtk.Button(stock=gtk.STOCK_GO_FORWARD)
self.bt_right.set_use_stock(True)
self.bt_right.set_relief(gtk.RELIEF_NONE)
self.bt_right.connect("clicked", self.dialog_show_next_page)
self.navbuttons.add(self.bt_right)
# enable appropriate navigation buttons
if page > 0:
self.bt_left.set_sensitive(True)
else:
self.bt_left.set_sensitive(False)
if theres_more:
self.bt_right.set_sensitive(True)
else:
self.bt_right.set_sensitive(False)
# show everything on the dialog
self.dialog.present()
self.dialog.show_all()
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