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virt-manager
076-console-Cleanup-and-improve-console-menu-ha...
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File 076-console-Cleanup-and-improve-console-menu-handling.patch of Package virt-manager
Subject: console: Cleanup and improve console menu handling From: Cole Robinson crobinso@redhat.com Sat Mar 2 16:22:53 2024 -0500 Date: Sun Mar 3 12:52:37 2024 -0500: Git: 014d1ef99b6bf1bd34050914fc3485395d6dd9ad - Rework the ConsolePages abstraction to carry the Gtk.Menu. makes it all less messy - Make the console menu the single source of truth for console embeddability, and error message reporting - Small misc cleanups here and there Signed-off-by: Cole Robinson <crobinso@redhat.com> diff --git a/tests/uitests/test_details.py b/tests/uitests/test_details.py index b873004d..1e8362f2 100644 --- a/tests/uitests/test_details.py +++ b/tests/uitests/test_details.py @@ -839,7 +839,7 @@ def testDetailsConsoleChecksSSH(app): # Check initial state _checkcon("Graphical console not configured") _stop() - _check_textconsole_menu("No graphical console available") + _check_textconsole_menu("Graphical console not configured") # Add a SDL graphics device which can't be displayed detailsbtn.click() diff --git a/virtManager/details/console.py b/virtManager/details/console.py index b3616bfb..00ed002b 100644 --- a/virtManager/details/console.py +++ b/virtManager/details/console.py @@ -188,22 +188,37 @@ class vmmOverlayToolbar: self.timed_revealer = None -class _ConsoleMenu: +def _cant_embed_graphics(ginfo): + if ginfo.gtype in ["vnc", "spice"]: + return + + msg = _("Cannot display graphical console type '%s'") % ginfo.gtype + return msg + + +class _ConsoleMenu(vmmGObject): """ Helper class for building the text/graphical console menu list """ + def __init__(self, show_cb, toggled_cb): + vmmGObject.__init__(self) + self._menu = Gtk.Menu() + self._menu.connect("show", show_cb) + self._toggled_cb = toggled_cb + + def _cleanup(self): + self._menu.destroy() + self._menu = None + self._toggled_cb = None + ################ # Internal API # ################ def _build_serial_menu_items(self, vm): - devs = vmmSerialConsole.get_serialcon_devices(vm) - if len(devs) == 0: - return [[_("No text console available"), None, None]] - ret = [] - for dev in devs: + for dev in vmmSerialConsole.get_serialcon_devices(vm): if dev.DEVICE_TYPE == "console": label = _("Text Console %d") % (dev.get_xml_idx() + 1) else: @@ -211,48 +226,58 @@ class _ConsoleMenu: tooltip = vmmSerialConsole.can_connect(vm, dev) ret.append([label, dev, tooltip]) + + if not ret: + ret = [[_("No text console available"), None, None]] return ret def _build_graphical_menu_items(self, vm): - devs = vm.xmlobj.devices.graphics - if len(devs) == 0: - return [[_("No graphical console available"), None, None]] from ..device.gfxdetails import vmmGraphicsDetails ret = [] - preferred = None - for idx, dev in enumerate(devs): - label = (_("Graphical Console") + " " + - vmmGraphicsDetails.graphics_pretty_type_simple(dev.type)) + found_default = False + for gdev in vm.xmlobj.devices.graphics: + idx = gdev.get_xml_idx() + ginfo = ConnectionInfo(vm.conn, gdev) + label = (_("Graphical Console") + " " + + vmmGraphicsDetails.graphics_pretty_type_simple(gdev.type)) if idx > 0: label += " %s" % (idx + 1) - tooltip = None - if dev.type not in self.embeddable_graphics(): - tooltip = _("virt-manager cannot display graphical " - "console type '%s'") % (dev.type) - elif preferred is not None: - tooltip = _("virt-manager does not support more " - "than one graphical console") - else: - preferred = idx + tooltip = _cant_embed_graphics(ginfo) + if not tooltip: + if not found_default: + found_default = True + else: + tooltip = _("virt-manager does not support more " + "than one graphical console") - ret.append([label, dev, tooltip]) + ret.append([label, ginfo, tooltip]) + + if not ret: + ret = [[_("Graphical console not configured for guest"), + None, None]] return ret + def _get_selected_menu_item(self): + for child in self._menu.get_children(): + if hasattr(child, 'get_active') and child.get_active(): + return child + ############## # Public API # ############## - def rebuild_menu(self, vm, submenu, toggled_cb): - oldlabel = None - for child in submenu.get_children(): - if hasattr(child, 'get_active') and child.get_active(): - oldlabel = child.get_label() - submenu.remove(child) + def rebuild_menu(self, vm): + olditem = self._get_selected_menu_item() + oldlabel = olditem and olditem.get_label() or None + + # Clear menu + for child in self._menu.get_children(): + self._menu.remove(child) graphics = self._build_graphical_menu_items(vm) serials = self._build_serial_menu_items(vm) @@ -263,12 +288,12 @@ class _ConsoleMenu: last_item = None for (label, dev, tooltip) in items: if label is None: - submenu.add(Gtk.SeparatorMenuItem()) + self._menu.add(Gtk.SeparatorMenuItem()) continue - cb = toggled_cb - cbdata = dev sensitive = bool(dev and not tooltip) + if not sensitive and not tooltip: + tooltip = label active = False if oldlabel is None and sensitive: @@ -285,25 +310,30 @@ class _ConsoleMenu: item.set_label(label) item.set_active(active and sensitive) - if cbdata and sensitive: - item.connect("toggled", cb, cbdata) - item.set_sensitive(sensitive) item.set_tooltip_text(tooltip or None) - submenu.add(item) + item.vmm_data = dev + if sensitive: + item.connect("toggled", self._toggled_cb) + self._menu.add(item) - submenu.show_all() + self._menu.show_all() - def activate_default(self, menu): - for child in menu.get_children(): + def activate_default(self): + for child in self._menu.get_children(): if child.get_sensitive() and hasattr(child, "toggled"): child.toggled() return True return False - def embeddable_graphics(self): - ret = ["vnc", "spice"] - return ret + def get_selected(self): + row = self._get_selected_menu_item() + if not row: + row = self._menu.get_children()[0] + return row.get_label(), row.vmm_data, row.get_tooltip_text() + + def get_menu(self): + return self._menu class vmmConsolePages(vmmGObjectUI): @@ -336,9 +366,6 @@ class vmmConsolePages(vmmGObjectUI): # Fullscreen toolbar self._keycombo_menu = build_keycombo_menu(self._do_send_key) - self._console_list_menu = Gtk.Menu() - self._console_list_menu.connect("show", - self._populate_console_list_menu) self._overlay_toolbar_fullscreen = vmmOverlayToolbar( on_leave_fn=self._leave_fullscreen, @@ -358,7 +385,9 @@ class vmmConsolePages(vmmGObjectUI): self.widget("serial-pages").set_show_tabs(False) self.widget("console-gfx-pages").set_show_tabs(False) - self._consolemenu = _ConsoleMenu() + self._consolemenu = _ConsoleMenu( + self._on_console_menu_show_cb, + self._on_console_menu_toggled_cb) self._serial_consoles = [] # Signals are added by vmmVMWindow. Don't use connect_signals here @@ -390,6 +419,9 @@ class vmmConsolePages(vmmGObjectUI): serial.cleanup() self._serial_consoles = [] + self._consolemenu.cleanup() + self._consolemenu = None + ################# # Internal APIs # @@ -689,38 +721,13 @@ class vmmConsolePages(vmmGObjectUI): # Viewer login attempts # ######################### - def _init_viewer(self): + def _init_viewer(self, ginfo, errmsg): if self._viewer or not self.is_visible(): - # Don't try and login for these cases return - ginfo = None - try: - gdevs = self.vm.xmlobj.devices.graphics - for idx, dev in enumerate(gdevs): - if dev.type in self._consolemenu.embeddable_graphics(): - ginfo = ConnectionInfo(self.vm.conn, gdevs[idx], idx) - break - except Exception as e: # pragma: no cover - # We can fail here if VM is destroyed: xen is a bit racy - # and can't handle domain lookups that soon after - log.exception("Getting graphics console failed: %s", str(e)) - return - - if ginfo is None: - log.debug("No graphics configured for guest") - self._activate_gfx_unavailable_page( - _("Graphical console not configured for guest")) - return - - if ginfo.gtype not in self._consolemenu.embeddable_graphics(): - log.debug("Don't know how to show graphics type '%s' " - "disabling console page", ginfo.gtype) - - msg = (_("Cannot display graphical console type '%s'") - % ginfo.gtype) - - self._activate_gfx_unavailable_page(msg) + if errmsg: + log.debug("No acceptable graphics to connect to") + self._activate_gfx_unavailable_page(errmsg) return if (not self.vm.get_console_autoconnect() and @@ -736,6 +743,9 @@ class vmmConsolePages(vmmGObjectUI): if ginfo.gtype == "vnc": viewer_class = VNCViewer elif ginfo.gtype == "spice": + # We do this here and not in the embed check, since user + # is probably expecting their spice console to work, so we + # should show an explicit failure if SPICE_GTK_IMPORT_ERROR: raise RuntimeError( "Error opening SPICE console: %s" % @@ -893,16 +903,18 @@ class vmmConsolePages(vmmGObjectUI): # Console list menu handling # ############################## - def _console_list_menu_toggled(self, src, dev): - if not dev or dev.DEVICE_TYPE == "graphics": + def _console_menu_view_selected(self): + name, dev, errmsg = self._consolemenu.get_selected() + is_graphics = hasattr(dev, "gtype") + + if errmsg or not dev or is_graphics: self.widget("console-pages").set_current_page( _CONSOLE_PAGE_GRAPHICS) - self.idle_add(self._init_viewer) + self.idle_add(self._init_viewer, dev, errmsg) return target_port = dev.get_xml_idx() serial = None - name = src.get_label() for s in self._serial_consoles: if s.name == name: serial = s @@ -922,20 +934,18 @@ class vmmConsolePages(vmmGObjectUI): self.widget("console-pages").set_current_page(_CONSOLE_PAGE_SERIAL) self.widget("serial-pages").set_current_page(page_idx) - def _populate_console_list_menu(self, ignore=None): - self._consolemenu.rebuild_menu( - self.vm, self._console_list_menu, - self._console_list_menu_toggled) + def _populate_console_menu(self): + self._consolemenu.rebuild_menu(self.vm) def _toggle_first_console_menu_item(self): # We iterate through the 'console' menu and activate the first # valid entry... hacky but it works - self._populate_console_list_menu() - found = self._consolemenu.activate_default(self._console_list_menu) + self._populate_console_menu() + found = self._consolemenu.activate_default() if not found: # Calling this with dev=None will trigger _init_viewer # which shows some meaningful errors - self._console_list_menu_toggled(None, None) + self._console_menu_view_selected() def _activate_default_console_page(self): if self.vm.is_runable(): @@ -954,6 +964,12 @@ class vmmConsolePages(vmmGObjectUI): # just started, so connect to the default page self._toggle_first_console_menu_item() + def _on_console_menu_toggled_cb(self, src): + self._console_menu_view_selected() + + def _on_console_menu_show_cb(self, src): + self._populate_console_menu() + ################ # UI listeners # @@ -964,7 +980,7 @@ class vmmConsolePages(vmmGObjectUI): def _connect_button_clicked_cb(self, src): self._viewer_connect_clicked = True - self._init_viewer() + self._console_menu_view_selected() def _page_changed_cb(self, src, origpage, newpage): # Hide the contents of all other pages, so they don't screw @@ -1009,7 +1025,7 @@ class vmmConsolePages(vmmGObjectUI): def vmwindow_get_keycombo_menu(self): return self._keycombo_menu def vmwindow_get_console_list_menu(self): - return self._console_list_menu + return self._consolemenu.get_menu() def vmwindow_get_viewer_is_visible(self): return self._viewer_is_visible() def vmwindow_get_can_usb_redirect(self): diff --git a/virtManager/details/sshtunnels.py b/virtManager/details/sshtunnels.py index f2b37f5a..f3463cae 100644 --- a/virtManager/details/sshtunnels.py +++ b/virtManager/details/sshtunnels.py @@ -20,9 +20,9 @@ class ConnectionInfo(object): """ Holds all the bits needed to make a connection to a graphical console """ - def __init__(self, conn, gdev, gidx): - self.gidx = gidx + def __init__(self, conn, gdev): self.gtype = gdev.type + self.gidx = gdev.get_xml_idx() self.gport = str(gdev.port) if gdev.port else None self.gsocket = (gdev.listens and gdev.listens[0].socket) or gdev.socket self.gaddr = gdev.listen or "127.0.0.1"
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