1 # Copyright (C) 2009, Thomas Leonard
2 # See the README file for details, or visit http://0install.net.
4 import gtk
, gobject
, pango
6 from zeroinstall
.support
import tasks
, pretty_size
7 from zeroinstall
.injector
.iface_cache
import iface_cache
8 from zeroinstall
.injector
import model
, reader
10 from zeroinstall
.gtkui
.treetips
import TreeTips
11 from zeroinstall
.gtkui
.icon
import load_icon
12 from zeroinstall
import support
13 from logging
import warn
, info
18 if impl
.user_stability
is None:
19 return _(str(impl
.upstream_stability
))
20 return _("%(implementation_user_stability)s (was %(implementation_upstream_stability)s)") \
21 % {'implementation_user_stability': _(str(impl
.user_stability
)),
22 'implementation_upstream_stability': _(str(impl
.upstream_stability
))}
25 CELL_TEXT_INDENT
= int(ICON_SIZE
) + 4
27 class InterfaceTips(TreeTips
):
30 def __init__(self
, mainwindow
):
31 self
.mainwindow
= mainwindow
33 def get_tooltip_text(self
):
34 interface
, model_column
= self
.item
36 if model_column
== InterfaceBrowser
.INTERFACE_NAME
:
37 return _("Full name: %s") % interface
.uri
38 elif model_column
== InterfaceBrowser
.SUMMARY
:
39 if not interface
.description
:
41 first_para
= interface
.description
.split('\n\n', 1)[0]
42 return first_para
.replace('\n', ' ')
43 elif model_column
is None:
44 return _("Click here for more options...")
46 impl
= self
.mainwindow
.policy
.implementation
.get(interface
, None)
48 return _("No suitable implementation was found. Check the "
49 "interface properties to find out why.")
51 if model_column
== InterfaceBrowser
.VERSION
:
52 text
= _("Currently preferred version: %(version)s (%(stability)s)") % \
53 {'version': impl
.get_version(), 'stability': _stability(impl
)}
54 old_impl
= self
.mainwindow
.original_implementation
.get(interface
, None)
55 if old_impl
is not None and old_impl
is not impl
:
56 text
+= '\n' + _('Previously preferred version: %(version)s (%(stability)s)') % \
57 {'version': old_impl
.get_version(), 'stability': _stability(old_impl
)}
60 assert model_column
== InterfaceBrowser
.DOWNLOAD_SIZE
62 if self
.mainwindow
.policy
.get_cached(impl
):
63 return _("This version is already stored on your computer.")
65 src
= self
.mainwindow
.policy
.fetcher
.get_best_source(impl
)
67 return _("No downloads available!")
68 return _("Need to download %(pretty_size)s (%(size)s bytes)") % \
69 {'pretty_size': support
.pretty_size(src
.size
), 'size': src
.size
}
71 class MenuIconRenderer(gtk
.GenericCellRenderer
):
73 gtk
.GenericCellRenderer
.__init
__(self
)
74 self
.set_property('mode', gtk
.CELL_RENDERER_MODE_ACTIVATABLE
)
76 def do_set_property(self
, prop
, value
):
77 setattr(self
, prop
.name
, value
)
79 def on_get_size(self
, widget
, cell_area
, layout
= None):
82 def on_render(self
, window
, widget
, background_area
, cell_area
, expose_area
, flags
):
83 if flags
& gtk
.CELL_RENDERER_PRELIT
:
84 state
= gtk
.STATE_PRELIGHT
86 state
= gtk
.STATE_NORMAL
88 widget
.style
.paint_box(window
, state
, gtk
.SHADOW_OUT
, expose_area
, widget
, None,
89 cell_area
.x
, cell_area
.y
, cell_area
.width
, cell_area
.height
)
90 widget
.style
.paint_arrow(window
, state
, gtk
.SHADOW_NONE
, expose_area
, widget
, None,
91 gtk
.ARROW_RIGHT
, True,
92 cell_area
.x
+ 5, cell_area
.y
+ 5, cell_area
.width
- 10, cell_area
.height
- 10)
94 class IconAndTextRenderer(gtk
.GenericCellRenderer
):
96 "image": (gobject
.TYPE_OBJECT
, "Image", "Image", gobject
.PARAM_READWRITE
),
97 "text": (gobject
.TYPE_STRING
, "Text", "Text", "-", gobject
.PARAM_READWRITE
),
100 def do_set_property(self
, prop
, value
):
101 setattr(self
, prop
.name
, value
)
103 def on_get_size(self
, widget
, cell_area
, layout
= None):
105 layout
= widget
.create_pango_layout(self
.text
)
106 a
, rect
= layout
.get_pixel_extents()
108 pixmap_height
= self
.image
.get_height()
110 both_height
= max(rect
[1] + rect
[3], pixmap_height
)
113 rect
[0] + rect
[2] + CELL_TEXT_INDENT
,
116 def on_render(self
, window
, widget
, background_area
, cell_area
, expose_area
, flags
):
117 layout
= widget
.create_pango_layout(self
.text
)
118 a
, rect
= layout
.get_pixel_extents()
120 if flags
& gtk
.CELL_RENDERER_SELECTED
:
121 state
= gtk
.STATE_SELECTED
122 elif flags
& gtk
.CELL_RENDERER_PRELIT
:
123 state
= gtk
.STATE_PRELIGHT
125 state
= gtk
.STATE_NORMAL
127 image_y
= int(0.5 * (cell_area
.height
- self
.image
.get_height()))
128 window
.draw_pixbuf(widget
.style
.white_gc
, self
.image
, 0, 0,
130 cell_area
.y
+ image_y
)
132 text_y
= int(0.5 * (cell_area
.height
- (rect
[1] + rect
[3])))
134 widget
.style
.paint_layout(window
, state
, True,
135 expose_area
, widget
, "cellrenderertext",
136 cell_area
.x
+ CELL_TEXT_INDENT
,
137 cell_area
.y
+ text_y
,
140 if gtk
.pygtk_version
< (2, 8, 0):
141 # Note sure exactly which versions need this.
142 # 2.8.0 gives a warning if you include it, though.
143 gobject
.type_register(IconAndTextRenderer
)
144 gobject
.type_register(MenuIconRenderer
)
146 class InterfaceBrowser
:
151 original_implementation
= None
161 columns
= [(_('Component'), INTERFACE_NAME
),
162 (_('Version'), VERSION
),
163 (_('Fetch'), DOWNLOAD_SIZE
),
164 (_('Description'), SUMMARY
),
167 def __init__(self
, policy
, widgets
):
168 tips
= InterfaceTips(self
)
170 tree_view
= widgets
.get_widget('components')
173 self
.cached_icon
= {} # URI -> GdkPixbuf
174 self
.default_icon
= tree_view
.style
.lookup_icon_set(gtk
.STOCK_EXECUTE
).render_icon(tree_view
.style
,
175 gtk
.TEXT_DIR_NONE
, gtk
.STATE_NORMAL
, gtk
.ICON_SIZE_SMALL_TOOLBAR
, tree_view
, None)
177 self
.model
= gtk
.TreeStore(object, str, str, str, str, gtk
.gdk
.Pixbuf
)
178 self
.tree_view
= tree_view
179 tree_view
.set_model(self
.model
)
183 text
= gtk
.CellRendererText()
185 for name
, model_column
in self
.columns
:
186 if model_column
== InterfaceBrowser
.INTERFACE_NAME
:
187 column
= gtk
.TreeViewColumn(name
, IconAndTextRenderer(),
189 image
= InterfaceBrowser
.ICON
)
190 elif model_column
== None:
191 menu_column
= column
= gtk
.TreeViewColumn('', MenuIconRenderer())
193 if model_column
== InterfaceBrowser
.SUMMARY
:
194 text_ellip
= gtk
.CellRendererText()
196 text_ellip
.set_property('ellipsize', pango
.ELLIPSIZE_END
)
199 column
= gtk
.TreeViewColumn(name
, text_ellip
, text
= model_column
)
200 column
.set_expand(True)
202 column
= gtk
.TreeViewColumn(name
, text
, text
= model_column
)
203 tree_view
.append_column(column
)
204 column_objects
.append(column
)
206 tree_view
.set_enable_search(True)
208 selection
= tree_view
.get_selection()
210 def motion(tree_view
, ev
):
211 if ev
.window
is not tree_view
.get_bin_window():
213 pos
= tree_view
.get_path_at_pos(int(ev
.x
), int(ev
.y
))
217 col_index
= column_objects
.index(pos
[1])
221 col
= self
.columns
[col_index
][1]
222 row
= self
.model
[path
]
223 item
= (row
[InterfaceBrowser
.INTERFACE
], col
)
224 if item
!= tips
.item
:
225 tips
.prime(tree_view
, item
)
229 tree_view
.connect('motion-notify-event', motion
)
230 tree_view
.connect('leave-notify-event', lambda tv
, ev
: tips
.hide())
232 def button_press(tree_view
, bev
):
233 pos
= tree_view
.get_path_at_pos(int(bev
.x
), int(bev
.y
))
236 path
, col
, x
, y
= pos
238 if (bev
.button
== 3 or (bev
.button
< 4 and col
is menu_column
)) \
239 and bev
.type == gtk
.gdk
.BUTTON_PRESS
:
240 selection
.select_path(path
)
241 iface
= self
.model
[path
][InterfaceBrowser
.INTERFACE
]
242 self
.show_popup_menu(iface
, bev
)
244 if bev
.button
!= 1 or bev
.type != gtk
.gdk
._2BUTTON
_PRESS
:
246 properties
.edit(policy
, self
.model
[path
][InterfaceBrowser
.INTERFACE
], self
.compile)
247 tree_view
.connect('button-press-event', button_press
)
249 tree_view
.connect('destroy', lambda s
: policy
.watchers
.remove(self
.build_tree
))
250 policy
.watchers
.append(self
.build_tree
)
252 def set_root(self
, root
):
253 assert isinstance(root
, model
.Interface
)
256 def set_update_icons(self
, update_icons
):
258 # Clear icons cache to make sure they're really updated
259 self
.cached_icon
= {}
260 self
.update_icons
= update_icons
262 def get_icon(self
, iface
):
263 """Get an icon for this interface. If the icon is in the cache, use that.
264 If not, start a download. If we already started a download (successful or
265 not) do nothing. Returns None if no icon is currently available."""
267 # Try the in-memory cache
268 return self
.cached_icon
[iface
.uri
]
270 # Try the on-disk cache
271 iconpath
= iface_cache
.get_icon_path(iface
)
274 icon
= load_icon(iconpath
, ICON_SIZE
, ICON_SIZE
)
275 # (if icon is None, cache the fact that we can't load it)
276 self
.cached_icon
[iface
.uri
] = icon
280 # Download a new icon if we don't have one, or if the
281 # user did a 'Refresh'
282 if iconpath
is None or self
.update_icons
:
283 fetcher
= self
.policy
.download_icon(iface
)
285 if iface
.uri
not in self
.cached_icon
:
286 self
.cached_icon
[iface
.uri
] = None # Only try once
289 def update_display():
293 # Try to insert new icon into the cache
294 # If it fails, we'll be left with None in the cached_icon so
295 # we don't try again.
296 iconpath
= iface_cache
.get_icon_path(iface
)
298 self
.cached_icon
[iface
.uri
] = load_icon(iconpath
, ICON_SIZE
, ICON_SIZE
)
301 warn("Failed to download icon for '%s'", iface
)
302 except Exception, ex
:
304 traceback
.print_exc()
305 self
.policy
.handler
.report_error(ex
)
307 # elif fetcher is None: don't store anything in cached_icon
309 # Note: if no icon is available for downloading,
310 # more attempts are made later.
311 # It can happen that no icon is yet available because
312 # the interface was not downloaded yet, in which case
313 # it's desireable to try again once the interface is available
318 def build_tree(self
):
319 if self
.original_implementation
is None:
320 self
.set_original_implementations()
322 done
= {} # Detect cycles
326 commands
= self
.policy
.solver
.selections
.commands
327 def add_node(parent
, iface
, command
):
328 # (command is the index into commands, if any)
333 iter = self
.model
.append(parent
)
334 self
.model
[iter][InterfaceBrowser
.INTERFACE
] = iface
335 self
.model
[iter][InterfaceBrowser
.INTERFACE_NAME
] = iface
.get_name()
336 self
.model
[iter][InterfaceBrowser
.SUMMARY
] = iface
.summary
337 self
.model
[iter][InterfaceBrowser
.ICON
] = self
.get_icon(iface
) or self
.default_icon
339 sel
= self
.policy
.solver
.selections
.selections
.get(iface
.uri
, None)
342 old_impl
= self
.original_implementation
.get(iface
, None)
343 version_str
= impl
.get_version()
344 if old_impl
is not None and old_impl
.id != impl
.id:
345 version_str
+= _(' (was %s)') % old_impl
.get_version()
346 self
.model
[iter][InterfaceBrowser
.VERSION
] = version_str
348 self
.model
[iter][InterfaceBrowser
.DOWNLOAD_SIZE
] = utils
.get_fetch_info(self
.policy
, impl
)
350 deps
= sel
.dependencies
351 if command
is not None:
352 deps
+= commands
[command
].requires
354 if isinstance(child
, model
.InterfaceDependency
):
355 if child
.qdom
.name
== 'runner':
356 child_command
= command
+ 1
359 add_node(iter, iface_cache
.get_interface(child
.interface
), child_command
)
361 child_iter
= self
.model
.append(parent
)
362 self
.model
[child_iter
][InterfaceBrowser
.INTERFACE_NAME
] = '?'
363 self
.model
[child_iter
][InterfaceBrowser
.SUMMARY
] = \
364 _('Unknown dependency type : %s') % child
365 self
.model
[child_iter
][InterfaceBrowser
.ICON
] = self
.default_icon
367 self
.model
[iter][InterfaceBrowser
.VERSION
] = _('(choose)')
369 add_node(None, self
.root
, 0)
371 # Nothing could be selected, or no command requested
372 add_node(None, self
.root
, None)
373 self
.tree_view
.expand_all()
375 def show_popup_menu(self
, iface
, bev
):
378 have_source
= properties
.have_source_for(self
.policy
, iface
)
381 for label
, cb
in [(_('Show Feeds'), lambda: properties
.edit(self
.policy
, iface
, self
.compile)),
382 (_('Show Versions'), lambda: properties
.edit(self
.policy
, iface
, self
.compile, show_versions
= True)),
383 (_('Report a Bug...'), lambda: bugs
.report_bug(self
.policy
, iface
))]:
384 item
= gtk
.MenuItem(label
)
386 item
.connect('activate', lambda item
, cb
=cb
: cb())
388 item
.set_sensitive(False)
392 item
= gtk
.MenuItem(_('Compile'))
396 compile_menu
= gtk
.Menu()
397 item
.set_submenu(compile_menu
)
399 item
= gtk
.MenuItem(_('Automatic'))
400 item
.connect('activate', lambda item
: self
.compile(iface
, autocompile
= True))
402 compile_menu
.append(item
)
404 item
= gtk
.MenuItem(_('Manual...'))
405 item
.connect('activate', lambda item
: self
.compile(iface
, autocompile
= False))
407 compile_menu
.append(item
)
409 item
.set_sensitive(False)
411 menu
.popup(None, None, None, bev
.button
, bev
.time
)
413 def compile(self
, interface
, autocompile
= False):
416 # A new local feed may have been registered, so reload it from the disk cache
417 info(_("0compile command completed successfully. Reloading interface details."))
418 reader
.update_from_cache(interface
)
419 for feed
in interface
.extra_feeds
:
420 iface_cache
.get_feed(feed
.uri
, force
= True)
421 self
.policy
.recalculate()
422 compile.compile(on_success
, interface
.uri
, autocompile
= autocompile
)
424 def set_original_implementations(self
):
425 assert self
.original_implementation
is None
426 self
.original_implementation
= self
.policy
.implementation
.copy()
428 def update_download_status(self
):
429 """Called at regular intervals while there are downloads in progress,
430 and once at the end. Also called when things are added to the store.
431 Update the TreeView with the interfaces."""
433 # A download may be for a feed, an interface or an implementation.
434 # Create the reverse mapping (item -> download)
436 for dl
in self
.policy
.handler
.monitored_downloads
.values():
438 if dl
.hint
not in hints
:
440 hints
[dl
.hint
].append(dl
)
442 selections
= self
.policy
.solver
.selections
447 for x
in walk(self
.model
.iter_children(it
)): yield x
448 it
= self
.model
.iter_next(it
)
450 for row
in walk(self
.model
.get_iter_root()):
451 iface
= row
[InterfaceBrowser
.INTERFACE
]
453 # Is this interface the download's hint?
454 downloads
= hints
.get(iface
, []) # The interface itself
455 downloads
+= hints
.get(iface
.uri
, []) # The main feed
456 for feed
in self
.policy
.usable_feeds(iface
):
457 downloads
+= hints
.get(feed
.uri
, []) # Other feeds
458 impl
= selections
.get(iface
, None)
460 downloads
+= hints
.get(impl
, []) # The chosen implementation
467 expected
= (expected
or 0) + dl
.expected_size
468 so_far
+= dl
.get_bytes_downloaded_so_far()
470 summary
= ngettext("(downloading %(downloaded)s/%(expected)s [%(percentage).2f%%])",
471 "(downloading %(downloaded)s/%(expected)s [%(percentage).2f%%] in %(number)d downloads)",
473 values_dict
= {'downloaded': pretty_size(so_far
), 'expected': pretty_size(expected
), 'percentage': 100 * so_far
/ float(expected
), 'number': len(downloads
)}
475 summary
= ngettext("(downloading %(downloaded)s/unknown)",
476 "(downloading %(downloaded)s/unknown in %(number)d downloads)",
478 values_dict
= {'downloaded': pretty_size(so_far
), 'number': len(downloads
)}
479 row
[InterfaceBrowser
.SUMMARY
] = summary
% values_dict
481 row
[InterfaceBrowser
.DOWNLOAD_SIZE
] = utils
.get_fetch_info(self
.policy
, impl
)
482 row
[InterfaceBrowser
.SUMMARY
] = iface
.summary