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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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window: connect action handlers using a function decorator
A bit esoteric, but better than maintaining the list of action names.
This commit is contained in:
René Stadler
Stefan Sauer
parent
421b437167
commit
50dd570f3a
1 changed files with 51 additions and 12 deletions
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@ -43,6 +43,31 @@ from GstDebugViewer.GUI.models import (FilteredLogModel,
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LogModelBase,
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RangeFilteredLogModel)
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def action (func):
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func.is_action_handler = True
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return func
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def iter_actions (manager):
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cls = type (manager)
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it = cls.__dict__.iteritems ()
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for name, member in it:
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try:
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member.is_action_handler
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except AttributeError:
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continue
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bound_method = getattr (manager, name)
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assert name.startswith ("handle_")
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assert name.endswith ("_action_activate")
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action_name = name[len ("handle_"):-len ("_action_activate")]
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action_name = action_name.replace ("_", "-")
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yield (action_name, bound_method,)
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class LineView (object):
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def __init__ (self):
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@ -51,9 +76,11 @@ class LineView (object):
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def attach (self, window):
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for action_name, handler in iter_actions (self):
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action = getattr (window.actions, action_name)
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action.connect ("activate", handler)
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self.clear_action = window.actions.clear_line_view
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handler = self.handle_clear_line_view_action_activate
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self.clear_action.connect ("activate", handler)
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self.line_view = window.widgets.line_view
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self.line_view.connect ("row-activated", self.handle_line_view_row_activated)
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@ -144,6 +171,7 @@ class LineView (object):
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else:
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line_model.replace_line (0, line_index)
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@action
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def handle_clear_line_view_action_activate (self, action):
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self.clear ()
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@ -300,16 +328,8 @@ class Window (object):
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self.clipboard = gtk.Clipboard (self.gtk_window.get_display (),
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gtk.gdk.SELECTION_CLIPBOARD)
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for action_name in ("new-window", "open-file", "reload-file",
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"close-window", "cancel-load",
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"hide-before-line", "hide-after-line", "show-hidden-lines",
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"edit-copy-line", "edit-copy-message", "set-base-time",
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"hide-log-level", "hide-log-category", "hide-log-object",
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"hide-filename", "show-about", "enlarge-text", "shrink-text",
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"reset-text"):
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name = action_name.replace ("-", "_")
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action = getattr (self.actions, name)
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handler = getattr (self, "handle_%s_action_activate" % (name,))
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for action_name, handler in iter_actions (self):
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action = getattr (self.actions, action_name)
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action.connect ("activate", handler)
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self.gtk_window.connect ("delete-event", self.handle_window_delete_event)
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@ -479,10 +499,12 @@ class Window (object):
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self.actions.close_window.activate ()
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@action
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def handle_new_window_action_activate (self, action):
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self.app.open_window ()
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@action
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def handle_open_file_action_activate (self, action):
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dialog = gtk.FileChooserDialog (None, self.gtk_window,
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@ -495,6 +517,7 @@ class Window (object):
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self.set_log_file (dialog.get_filename ())
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dialog.destroy ()
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@action
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def handle_reload_file_action_activate (self, action):
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if self.log_file is None:
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@ -502,6 +525,7 @@ class Window (object):
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self.set_log_file (self.log_file.path)
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@action
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def handle_cancel_load_action_activate (self, action):
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self.logger.debug ("cancelling data load")
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@ -515,14 +539,17 @@ class Window (object):
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gobject.source_remove (self.update_progress_id)
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self.update_progress_id = None
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@action
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def handle_close_window_action_activate (self, action):
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self.close ()
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@action
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def handle_hide_after_line_action_activate (self, action):
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self.hide_range (after = True)
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@action
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def handle_hide_before_line_action_activate (self, action):
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self.hide_range (after = False)
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@ -562,6 +589,7 @@ class Window (object):
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self.pop_view_state ()
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self.actions.show_hidden_lines.props.sensitive = True
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@action
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def handle_show_hidden_lines_action_activate (self, action):
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self.logger.info ("restoring model filter to show all lines")
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@ -572,6 +600,7 @@ class Window (object):
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self.pop_view_state (scroll_to_selection = True)
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self.actions.show_hidden_lines.props.sensitive = False
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@action
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def handle_edit_copy_line_action_activate (self, action):
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# TODO: Should probably copy the _exact_ line as taken from the file.
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@ -580,19 +609,23 @@ class Window (object):
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log_line = Data.LogLine (line)
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self.clipboard.set_text (log_line.line_string ())
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@action
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def handle_edit_copy_message_action_activate (self, action):
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col_id = LogModelBase.COL_MESSAGE
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self.clipboard.set_text (self.get_active_line ()[col_id])
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@action
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def handle_enlarge_text_action_activate (self, action):
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self.update_zoom_level (1)
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@action
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def handle_shrink_text_action_activate (self, action):
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self.update_zoom_level (-1)
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@action
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def handle_reset_text_action_activate (self, action):
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self.update_zoom_level (-self.zoom_level)
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@ -671,35 +704,41 @@ class Window (object):
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self.actions.show_hidden_lines.props.sensitive = True
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@action
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def handle_set_base_time_action_activate (self, action):
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row = self.get_active_line ()
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self.column_manager.set_base_time (row[LogModelBase.COL_TIME])
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@action
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def handle_hide_log_level_action_activate (self, action):
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row = self.get_active_line ()
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debug_level = row[LogModelBase.COL_LEVEL]
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self.add_model_filter (DebugLevelFilter (debug_level))
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@action
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def handle_hide_log_category_action_activate (self, action):
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row = self.get_active_line ()
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category = row[LogModelBase.COL_CATEGORY]
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self.add_model_filter (CategoryFilter (category))
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@action
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def handle_hide_log_object_action_activate (self, action):
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row = self.get_active_line ()
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object_ = row[LogModelBase.COL_OBJECT]
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self.add_model_filter (ObjectFilter (object_))
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@action
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def handle_hide_filename_action_activate (self, action):
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row = self.get_active_line ()
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filename = row[LogModelBase.COL_FILENAME]
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self.add_model_filter (FilenameFilter (filename))
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@action
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def handle_show_about_action_activate (self, action):
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from GstDebugViewer import version
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