# Base classes for the graphical user interface. # # Copyright (C) 2011-2012 Red Hat, Inc. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions of # the GNU General Public License v.2, or (at your option) any later version. # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY expressed or implied, including the implied warranties of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. You should have received a copy of the # GNU General Public License along with this program; if not, write to the # Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA # 02110-1301, USA. Any Red Hat trademarks that are incorporated in the # source code or documentation are not subject to the GNU General Public # License and may only be used or replicated with the express permission of # Red Hat, Inc. # # Red Hat Author(s): Chris Lumens # import inspect, os, sys, time, site, signal import meh.ui.gui from contextlib import contextmanager from gi.repository import Gdk, Gtk, AnacondaWidgets, Keybinder, GdkPixbuf, GLib, GObject from pyanaconda.i18n import _ from pyanaconda.constants import IPMI_ABORTED from pyanaconda import product, iutil from pyanaconda import threads from pyanaconda.ui import UserInterface, common from pyanaconda.ui.gui.utils import gtk_action_wait, unbusyCursor from pyanaconda import ihelp import os.path import logging log = logging.getLogger("anaconda") __all__ = ["GraphicalUserInterface", "QuitDialog"] _screenshotIndex = 0 _last_screenshot_timestamp = 0 SCREENSHOT_DELAY = 1 # in seconds ANACONDA_WINDOW_GROUP = Gtk.WindowGroup() # Stylesheet priorities to use for product-specific stylesheets. # installclass stylesheets should be higher than our base stylesheet, and # stylesheets from updates.img and product.img should be higher than that. All # levels should be lower than GTK_STYLE_PROVIDER_PRIORITY_USER. STYLE_PROVIDER_PRIORITY_INSTALLCLASS = Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION + 15 STYLE_PROVIDER_PRIORITY_UPDATES = Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION + 20 assert STYLE_PROVIDER_PRIORITY_UPDATES < Gtk.STYLE_PROVIDER_PRIORITY_USER class GUIObject(common.UIObject): """This is the base class from which all other GUI classes are derived. It thus contains only attributes and methods that are common to everything else. It should not be directly instantiated. Class attributes: builderObjects -- A list of UI object names that should be extracted from uiFile and exposed for this class to use. If this list is empty, all objects will be exposed. Only the following kinds of objects need to be exported: (1) Top-level objects (like GtkDialogs) that are directly used in Python. (2) Top-level objects that are not directly used in Python, but are used by another object somewhere down in the hierarchy. This includes things like a custom GtkImage used by a button that is part of an exported dialog, and a GtkListStore that is the model of a Gtk*View that is part of an exported object. mainWidgetName -- The name of the top-level widget this object object implements. This will be the widget searched for in uiFile by the window property. focusWidgetName -- The name of the widget to focus when the object is entered, or None. uiFile -- The location of an XML file that describes the layout of widgets shown by this object. UI files are searched for relative to the same directory as this object's module. translationDomain-- The gettext translation domain for the given GUIObject subclass. By default the "anaconda" translation domain is used, but external applications, such as Initial Setup, that use GUI elements (Hubs & Spokes) from Anaconda can override the translation domain with their own, so that their subclasses are properly translated. helpFile -- The location of the yelp-compatible help file for the given GUI object. The default value of "" indicates that the object has not specific help file assigned and the default help file should be used. """ builderObjects = [] mainWidgetName = None # Since many of the builder files do not define top-level widgets, the usual # {get,can,is,has}_{focus,default} properties don't work real good. Define the # widget to be focused in python, instead. focusWidgetName = None uiFile = "" helpFile = None translationDomain = "anaconda" screenshots_directory = "/tmp/anaconda-screenshots" def __init__(self, data): """Create a new UIObject instance, including loading its uiFile and all UI-related objects. Instance attributes: data -- An instance of a pykickstart Handler object. The Hub never directly uses this instance. Instead, it passes it down into Spokes when they are created and applied. The Hub simply stores this instance so it doesn't need to be passed by the user. skipTo -- If this attribute is set to something other than None, it must be the name of a class (as a string). Then, the interface will skip to the first instance of that class in the action list instead of going on to whatever the next action is normally. Note that actions may only skip ahead, never backwards. Also, standalone spokes may not skip to an individual spoke off a hub. They can only skip to the hub itself. """ common.UIObject.__init__(self, data) if self.__class__ is GUIObject: raise TypeError("GUIObject is an abstract class") self.skipTo = None self.applyOnSkip = False self.builder = Gtk.Builder() self.builder.set_translation_domain(self.translationDomain) self._window = None if self.builderObjects: self.builder.add_objects_from_file(self._findUIFile(), self.builderObjects) else: self.builder.add_from_file(self._findUIFile()) self.builder.connect_signals(self) # Keybinder from GI needs to be initialized before use Keybinder.init() Keybinder.bind("Print", self._handlePrntScreen, []) def _findUIFile(self): path = os.environ.get("UIPATH", "./:/tmp/updates/:/tmp/updates/ui/:/usr/share/anaconda/ui/") dirs = path.split(":") # append the directory where this UIObject is defined dirs.append(os.path.dirname(inspect.getfile(self.__class__))) for d in dirs: testPath = os.path.join(d, self.uiFile) if os.path.isfile(testPath) and os.access(testPath, os.R_OK): return testPath raise IOError("Could not load UI file '%s' for object '%s'" % (self.uiFile, self)) def _handlePrntScreen(self, *args, **kwargs): global _screenshotIndex global _last_screenshot_timestamp # as a single press of the assigned key generates # multiple callbacks, we need to skip additional # callbacks for some time once a screenshot is taken if (time.time() - _last_screenshot_timestamp) >= SCREENSHOT_DELAY: # Make sure the screenshot directory exists. if not os.access(self.screenshots_directory, os.W_OK): os.makedirs(self.screenshots_directory) fn = os.path.join(self.screenshots_directory, "screenshot-%04d.png" % _screenshotIndex) root_window = Gdk.get_default_root_window() pixbuf = Gdk.pixbuf_get_from_window(root_window, 0, 0, root_window.get_width(), root_window.get_height()) pixbuf.savev(fn, 'png', [], []) log.info("screenshot nr. %d taken", _screenshotIndex) _screenshotIndex += 1 # start counting from the time the screenshot operation is done _last_screenshot_timestamp = time.time() @property def window(self): """Return the object out of the GtkBuilder representation previously loaded by the load method. """ # This will raise an AttributeError if the subclass failed to set a # mainWidgetName attribute, which is exactly what I want. if not self._window: self._window = self.builder.get_object(self.mainWidgetName) return self._window @property def main_window(self): """Return the top-level window containing this GUIObject.""" return self.window.get_toplevel() def clear_info(self): """Clear any info bar from the bottom of the screen.""" self.window.clear_info() def set_error(self, msg): """Display an info bar along the bottom of the screen with the provided message. This method is used to display critical errors anaconda may not be able to do anything about, but that the user may. A suitable background color and icon will be displayed. """ self.window.set_error(msg) def set_info(self, msg): """Display an info bar along the bottom of the screen with the provided message. This method is used to display informational text - non-critical warnings during partitioning, for instance. The user should investigate these messages but doesn't have to. A suitable background color and icon will be displayed. """ self.window.set_info(msg) def set_warning(self, msg): """Display an info bar along the bottom of the screen with the provided message. This method is used to display errors the user needs to attend to in order to continue installation. This is the bulk of messages. A suitable background color and icon will be displayed. """ self.window.set_warning(msg) class QuitDialog(GUIObject): builderObjects = ["quitDialog"] mainWidgetName = "quitDialog" uiFile = "main.glade" MESSAGE = "" def run(self): if self.MESSAGE: self.builder.get_object("quit_message").set_label(_(self.MESSAGE)) rc = self.window.run() return rc class ErrorDialog(GUIObject): builderObjects = ["errorDialog", "errorTextBuffer"] mainWidgetName = "errorDialog" uiFile = "main.glade" # pylint: disable=arguments-differ def refresh(self, msg): buf = self.builder.get_object("errorTextBuffer") buf.set_text(msg, -1) def run(self): rc = self.window.run() return rc class MainWindow(Gtk.Window): """This is a top-level, full size window containing the Anaconda screens.""" def __init__(self, fullscreen): """Create a new anaconda main window. :param bool fullscreen: if True, fullscreen the window, if false maximize """ Gtk.Window.__init__(self) # Hide the titlebar when maximized if the window manager allows it. # This makes anaconda look full-screenish but without covering parts # needed to interact with the window manager, like the GNOME top bar. self.set_hide_titlebar_when_maximized(True) # The Anaconda and Initial Setup windows might sometimes get decorated with # a titlebar which contains the __init__.py header text by default. # As all Anaconda and Initial Setup usually have a very distinct title text # inside the window, the titlebar text is redundant and should be disabled. self.set_title("") # Treat an attempt to close the window the same as hitting quit self.connect("delete-event", self._on_delete_event) # Create a black, 50% opacity pixel that will be scaled to fit the lightbox overlay # The confusing list of unnamed parameters is: # bytes, colorspace (there is no other colorspace), has-alpha, # bits-per-sample (has to be 8), width, height, # rowstride (bytes between row starts, but we only have one row) self._transparent_base = GdkPixbuf.Pixbuf.new_from_bytes(GLib.Bytes.new([0, 0, 0, 127]), GdkPixbuf.Colorspace.RGB, True, 8, 1, 1, 1) # Contain everything in an overlay so the window can be overlayed with the transparency # for the lightbox effect self._overlay = Gtk.Overlay() self._overlay_img = None self._overlay.connect("get-child-position", self._on_overlay_get_child_position) self._overlay_depth = 0 # Create a stack and a list of what's been added to the stack # Double the stack transition duration since the default 200ms is too # quick to get the point across self._stack = Gtk.Stack(transition_duration=400) self._stack_contents = set() # Create an accel group for the F12 accelerators added after window transitions self._accel_group = Gtk.AccelGroup() self.add_accel_group(self._accel_group) # Make the window big if fullscreen: self.fullscreen() else: self.maximize() self._overlay.add(self._stack) self.add(self._overlay) self.show_all() self._current_action = None # Help button mnemonics handling self._mnemonic_signal = None # we have a sensible initial value, just in case self._saved_help_button_label = _("Help!") def _on_delete_event(self, widget, event, user_data=None): # Use the quit-clicked signal on the the current standalone, even if the # standalone is not currently displayed. if self.current_action: self.current_action.window.emit("quit-clicked") # Stop the window from being closed here return True def _on_overlay_get_child_position(self, overlay_container, overlayed_widget, allocation, user_data=None): overlay_allocation = overlay_container.get_allocation() # Scale the overlayed image's pixbuf to the size of the GtkOverlay overlayed_widget.set_from_pixbuf(self._transparent_base.scale_simple( overlay_allocation.width, overlay_allocation.height, GdkPixbuf.InterpType.NEAREST)) # Return False to indicate that the child allocation is not yet set return False def _on_mnemonics_visible_changed(self, window, property_type, obj): # mnemonics display has been activated or deactivated, # add or remove the F1 mnemonics display from the help button help_button = obj.window.get_help_button() if window.props.mnemonics_visible: # save current label old_label = help_button.get_label() self._saved_help_button_label = old_label # add the (F1) "mnemonics" to the help button help_button.set_label("%s (F1)" % old_label) else: # restore the old label help_button.set_label(self._saved_help_button_label) @property def current_action(self): return self._current_action def _setVisibleChild(self, child): # Remove the F12 accelerator from the old window old_screen = self._stack.get_visible_child() if old_screen: old_screen.remove_accelerator(self._accel_group, Gdk.KEY_F12, 0) old_screen.remove_accelerator(self._accel_group, Gdk.KEY_F1, 0) old_screen.remove_accelerator(self._accel_group, Gdk.KEY_F1, Gdk.ModifierType.MOD1_MASK) # Check if the widget is already on the stack if child not in self._stack_contents: self._stack.add(child.window) self._stack_contents.add(child) child.window.show_all() # It would be handy for F12 to continue to work like it did in the old # UI, by skipping you to the next screen or sending you back to the hub if isinstance(child.window, AnacondaWidgets.BaseStandalone): child.window.add_accelerator("continue-clicked", self._accel_group, Gdk.KEY_F12, 0, 0) elif isinstance(child.window, AnacondaWidgets.SpokeWindow): child.window.add_accelerator("button-clicked", self._accel_group, Gdk.KEY_F12, 0, 0) # Configure the help button child.window.add_accelerator("help-button-clicked", self._accel_group, Gdk.KEY_F1, 0, 0) child.window.add_accelerator("help-button-clicked", self._accel_group, Gdk.KEY_F1, Gdk.ModifierType.MOD1_MASK, 0) # Connect to mnemonics-visible to add the (F1) mnemonic to the button label if self._mnemonic_signal: self.disconnect(self._mnemonic_signal) self._mnemonic_signal = self.connect("notify::mnemonics-visible", self._on_mnemonics_visible_changed, child) self._stack.set_visible_child(child.window) if child.focusWidgetName: child.builder.get_object(child.focusWidgetName).grab_focus() def setCurrentAction(self, standalone): """Set the current standalone widget. This changes the currently displayed screen and, if the standalone is a hub, sets the hub as the screen to which spokes will return. :param AnacondaWidgets.BaseStandalone standalone: the new standalone action """ # Slide the old hub/standalone off of the new one self._stack.set_transition_type(Gtk.StackTransitionType.UNDER_LEFT) self._current_action = standalone self._setVisibleChild(standalone) def enterSpoke(self, spoke): """Enter a spoke. The spoke will be displayed as the current screen, but the current-action to which the spoke will return will not be changed. :param AnacondaWidgets.SpokeWindow spoke: a spoke to enter """ # Slide up, as if the spoke is under the hub self._stack.set_transition_type(Gtk.StackTransitionType.UNDER_UP) self._setVisibleChild(spoke) def returnToHub(self): """Exit a spoke and return to a hub.""" # Slide back down over the spoke self._stack.set_transition_type(Gtk.StackTransitionType.OVER_DOWN) self._setVisibleChild(self._current_action) def lightbox_on(self): self._overlay_depth += 1 if not self._overlay_img: # Add an overlay image that will be filled and scaled in get-child-position self._overlay_img = Gtk.Image() self._overlay_img.show_all() self._overlay.add_overlay(self._overlay_img) def lightbox_off(self): self._overlay_depth -= 1 if self._overlay_depth == 0 and self._overlay_img: # Remove the overlay image self._overlay_img.destroy() self._overlay_img = None @contextmanager def enlightbox(self, dialog): """Display a dialog in a lightbox over the main window. :param GtkDialog: the dialog to display """ self.lightbox_on() # Set the dialog as transient for ourself ANACONDA_WINDOW_GROUP.add_window(dialog) dialog.set_position(Gtk.WindowPosition.CENTER_ALWAYS) dialog.set_transient_for(self) yield self.lightbox_off() class GraphicalUserInterface(UserInterface): """This is the standard GTK+ interface we try to steer everything to using. It is suitable for use both directly and via VNC. """ def __init__(self, storage, payload, instclass, distributionText = product.distributionText, isFinal = product.isFinal, quitDialog = QuitDialog, gui_lock = None, fullscreen=False): UserInterface.__init__(self, storage, payload, instclass) self._actions = [] self._currentAction = None self._ui = None self._gui_lock = gui_lock self.data = None self.mainWindow = MainWindow(fullscreen=fullscreen) self._distributionText = distributionText self._isFinal = isFinal self._quitDialog = quitDialog self._mehInterface = GraphicalExceptionHandlingIface( self.mainWindow.lightbox_on) ANACONDA_WINDOW_GROUP.add_window(self.mainWindow) basemask = "pyanaconda.ui" basepath = os.path.dirname(__file__) updatepath = "/tmp/updates/pyanaconda/ui" sitepackages = [os.path.join(dir, "pyanaconda", "ui") for dir in site.getsitepackages()] pathlist = set([updatepath, basepath] + sitepackages) paths = UserInterface.paths + { "categories": [(basemask + ".categories.%s", os.path.join(path, "categories")) for path in pathlist], "spokes": [(basemask + ".gui.spokes.%s", os.path.join(path, "gui/spokes")) for path in pathlist], "hubs": [(basemask + ".gui.hubs.%s", os.path.join(path, "gui/hubs")) for path in pathlist] } def _widgetScale(self): # First, check if the GDK_SCALE environment variable is already set. If so, # leave it alone. if "GDK_SCALE" in os.environ: log.debug("GDK_SCALE already set to %s, not scaling", os.environ["GDK_SCALE"]) return # Next, check if a scaling factor is already being applied via XSETTINGS, # such as by gnome-settings-daemon display = Gdk.Display.get_default() screen = display.get_default_screen() val = GObject.Value() val.init(GObject.TYPE_INT) if screen.get_setting("gdk-window-scaling-factor", val): log.debug("Window scale set to %s by XSETTINGS, not scaling", val.get_int()) return # Get the primary monitor dimensions in pixels and mm from Gdk primary = screen.get_primary_monitor() monitor_geometry = screen.get_monitor_geometry(primary) monitor_scale = screen.get_monitor_scale_factor(primary) monitor_width_mm = screen.get_monitor_width_mm(primary) monitor_height_mm = screen.get_monitor_height_mm(primary) # Sometimes gdk returns 0 for physical widths and heights if monitor_height_mm == 0 or monitor_width_mm == 0: return # Check if this monitor is high DPI, using heuristics from gnome-settings-dpi. # If the monitor has a height >= 1200 pixels and a resolution > 192 dpi in both # x and y directions, apply a scaling factor of 2 so that anaconda isn't all tiny monitor_width_px = monitor_geometry.width * monitor_scale monitor_height_px = monitor_geometry.height * monitor_scale monitor_dpi_x = monitor_width_px / (monitor_width_mm / 25.4) monitor_dpi_y = monitor_height_px / (monitor_height_mm / 25.4) log.debug("Detected primary monitor: %dx%d %ddpix %ddpiy", monitor_width_px, monitor_height_px, monitor_dpi_x, monitor_dpi_y) if monitor_height_px >= 1200 and monitor_dpi_x > 192 and monitor_dpi_y > 192: display.set_window_scale(2) # Export the scale so that Gtk programs launched by anaconda are also scaled iutil.setenv("GDK_SCALE", "2") def _convertSignals(self): # What tends to happen when we receive a signal is that the signal will # be received by the python interpreter's C handler, python will do # what it needs to do to set the python handler we registered to run, # the C handler returns, and then nothing happens because Gtk is # holding the global interpreter lock. The signal then gets delivered # to our python code when you move the mouse or something. We can get # around this by doing signals the GLib way. The conversion assumes # that none of our signal handlers care about the frame parameter, # which is generally true. # # After the unix_signal_add call, signal.getsignal will tell a half # truth: the method returned will still be called, by way of # _signal_converter, but GLib will have replaced the actual signal # handler for that signal. # Convert everything except SIGCHLD, because that's a different can of worms def _signal_converter(user_data): (handler, signum) = user_data handler(signum, None) for signum in (s for s in range(1, signal.NSIG) if s != signal.SIGCHLD): handler = signal.getsignal(signum) if handler and handler not in (signal.SIG_DFL, signal.SIG_IGN): # NB: if you are looking at the glib documentation you are in for # some surprises because gobject-introspection is a minefield. # g_unix_signal_add_full comes out as GLib.unix_signal_add, and # g_unix_signal_add doesn't come out at all. GLib.unix_signal_add(GLib.PRIORITY_DEFAULT, signum, _signal_converter, (handler, signum)) @property def tty_num(self): return 6 @property def meh_interface(self): return self._mehInterface def _list_hubs(self): """Return a list of Hub classes to be imported to this interface""" from pyanaconda.ui.gui.hubs.summary import SummaryHub from pyanaconda.ui.gui.hubs.progress import ProgressHub return [SummaryHub, ProgressHub] def _is_standalone(self, obj): """Is the spoke passed as obj standalone?""" from pyanaconda.ui.gui.spokes import StandaloneSpoke return isinstance(obj, StandaloneSpoke) def setup(self, data): self._actions = self.getActionClasses(self._list_hubs()) self.data = data def getActionClasses(self, hubs): """Grab all relevant standalone spokes, add them to the passed list of hubs and order the list according to the relationships between hubs and standalones.""" from pyanaconda.ui.gui.spokes import StandaloneSpoke # First, grab a list of all the standalone spokes. standalones = self._collectActionClasses(self.paths["spokes"], StandaloneSpoke) # Second, order them according to their relationship return self._orderActionClasses(standalones, hubs) def _instantiateAction(self, actionClass): # Instantiate an action on-demand, passing the arguments defining our # spoke API and setting up continue/quit signal handlers. obj = actionClass(self.data, self.storage, self.payload, self.instclass) # set spoke search paths in Hubs if hasattr(obj, "set_path"): obj.set_path("spokes", self.paths["spokes"]) obj.set_path("categories", self.paths["categories"]) # If we are doing a kickstart install, some standalone spokes # could already be filled out. In that case, we do not want # to display them. if self._is_standalone(obj) and obj.completed: del(obj) return None # Use connect_after so classes can add actions before we change screens obj.window.connect_after("continue-clicked", self._on_continue_clicked) obj.window.connect_after("help-button-clicked", self._on_help_clicked, obj) obj.window.connect_after("quit-clicked", self._on_quit_clicked) return obj def run(self): (success, args) = Gtk.init_check(None) if not success: raise RuntimeError("Failed to initialize Gtk") # Check if the GUI lock has already been taken if self._gui_lock and not self._gui_lock.acquire(False): # Gtk main loop running. That means python-meh caught exception # and runs its main loop. Do not crash Gtk by running another one # from a different thread and just wait until python-meh is # finished, then quit. unbusyCursor() log.error("Unhandled exception caught, waiting for python-meh to "\ "exit") threads.threadMgr.wait_for_error_threads() sys.exit(1) try: # Apply a widget-scale to hidpi monitors self._widgetScale() while not self._currentAction: self._currentAction = self._instantiateAction(self._actions[0]) if not self._currentAction: self._actions.pop(0) if not self._actions: return self._currentAction.initialize() self._currentAction.entry_logger() self._currentAction.refresh() self._currentAction.window.set_beta(not self._isFinal) self._currentAction.window.set_property("distribution", self._distributionText().upper()) # Set some program-wide settings. settings = Gtk.Settings.get_default() settings.set_property("gtk-font-name", "Cantarell") settings.set_property("gtk-icon-theme-name", "gnome") # Apply the application stylesheet provider = Gtk.CssProvider() provider.load_from_path("/usr/share/anaconda/anaconda-gtk.css") Gtk.StyleContext.add_provider_for_screen(Gdk.Screen.get_default(), provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION) # Apply the installclass stylesheet if self.instclass.stylesheet: provider = Gtk.CssProvider() provider.load_from_path(self.instclass.stylesheet) Gtk.StyleContext.add_provider_for_screen(Gdk.Screen.get_default(), provider, STYLE_PROVIDER_PRIORITY_INSTALLCLASS) # Look for updates to the stylesheet and apply them at a higher priority for updates_dir in ("updates", "product"): updates_css = "/run/install/%s/anaconda-gtk.css" % updates_dir if os.path.exists(updates_css): provider = Gtk.CssProvider() provider.load_from_path(updates_css) Gtk.StyleContext.add_provider_for_screen(Gdk.Screen.get_default(), provider, STYLE_PROVIDER_PRIORITY_UPDATES) self.mainWindow.setCurrentAction(self._currentAction) # Do this at the last possible minute. unbusyCursor() # If anything went wrong before we start the Gtk main loop, release # the gui lock and re-raise the exception so that meh can take over except Exception: self._gui_lock.release() raise Gtk.main() ### ### MESSAGE HANDLING METHODS ### @gtk_action_wait def showError(self, message): dlg = ErrorDialog(None) with self.mainWindow.enlightbox(dlg.window): dlg.refresh(message) dlg.run() dlg.window.destroy() # the dialog has the only button -- "Exit installer", so just do so sys.exit(1) @gtk_action_wait def showDetailedError(self, message, details): from pyanaconda.ui.gui.spokes.lib.detailederror import DetailedErrorDialog dlg = DetailedErrorDialog(None, buttons=[_("_Quit")], label=message) with self.mainWindow.enlightbox(dlg.window): dlg.refresh(details) dlg.run() dlg.window.destroy() @gtk_action_wait def showYesNoQuestion(self, message): dlg = Gtk.MessageDialog(flags=Gtk.DialogFlags.MODAL, message_type=Gtk.MessageType.QUESTION, buttons=Gtk.ButtonsType.NONE, message_format=message) dlg.set_decorated(False) dlg.add_buttons(_("_No"), 0, _("_Yes"), 1) dlg.set_default_response(1) with self.mainWindow.enlightbox(dlg): rc = dlg.run() dlg.destroy() return bool(rc) ### ### SIGNAL HANDLING METHODS ### def _on_continue_clicked(self, win, user_data=None): if not win.get_may_continue() or win != self._currentAction.window: return # If we're on the last screen, clicking Continue quits. if len(self._actions) == 1: Gtk.main_quit() return nextAction = None ndx = 0 # If the current action wants us to jump to an arbitrary point ahead, # look for where that is now. if self._currentAction.skipTo: found = False for ndx in range(1, len(self._actions)): if self._actions[ndx].__class__.__name__ == self._currentAction.skipTo: found = True break # If we found the point in question, compose a new actions list # consisting of the current action, the one to jump to, and all # the ones after. That means the rest of the code below doesn't # have to change. if found: self._actions = [self._actions[0]] + self._actions[ndx:] # _instantiateAction returns None for actions that should not be # displayed (because they're already completed, for instance) so skip # them here. while not nextAction: nextAction = self._instantiateAction(self._actions[1]) if not nextAction: self._actions.pop(1) if not self._actions: sys.exit(0) return nextAction.initialize() nextAction.window.set_beta(self._currentAction.window.get_beta()) nextAction.window.set_property("distribution", self._distributionText().upper()) if not nextAction.showable: self._currentAction.window.hide() self._actions.pop(0) self._on_continue_clicked(nextAction) return self._currentAction.exit_logger() nextAction.entry_logger() nextAction.refresh() # Do this last. Setting up curAction could take a while, and we want # to leave something on the screen while we work. self.mainWindow.setCurrentAction(nextAction) self._currentAction = nextAction self._actions.pop(0) def _on_help_clicked(self, window, obj): # the help button has been clicked, start the yelp viewer with # content for the current screen ihelp.start_yelp(ihelp.get_help_path(obj.helpFile, self.instclass)) def _on_quit_clicked(self, win, userData=None): if not win.get_quit_button(): return dialog = self._quitDialog(None) with self.mainWindow.enlightbox(dialog.window): rc = dialog.run() dialog.window.destroy() if rc == 1: self._currentAction.exit_logger() iutil.ipmi_report(IPMI_ABORTED) sys.exit(0) class GraphicalExceptionHandlingIface(meh.ui.gui.GraphicalIntf): """ Class inheriting from python-meh's GraphicalIntf and overriding methods that need some modification in Anaconda. """ def __init__(self, lightbox_func): """ :param lightbox_func: a function that creates lightbox for a given window :type lightbox_func: None -> None """ meh.ui.gui.GraphicalIntf.__init__(self) self._lightbox_func = lightbox_func def mainExceptionWindow(self, text, exn_file, *args, **kwargs): meh_intf = meh.ui.gui.GraphicalIntf() exc_window = meh_intf.mainExceptionWindow(text, exn_file) exc_window.main_window.set_decorated(False) self._lightbox_func() ANACONDA_WINDOW_GROUP.add_window(exc_window.main_window) # the busy cursor may be set unbusyCursor() return exc_window