def add_new_block(self, key, coor=None):
"""
Add a block of the given key to this flow graph.
@param key the block key
@param coor an optional coordinate or None for random
"""
id = self._get_unique_id(key)
#calculate the position coordinate
h_adj = self.get_scroll_pane().get_hadjustment()
v_adj = self.get_scroll_pane().get_vadjustment()
if coor is None:
coor = (
int(
random.uniform(.25, .75) * h_adj.page_size +
h_adj.get_value()),
int(
random.uniform(.25, .75) * v_adj.page_size +
v_adj.get_value()),
)
#get the new block
block = self.get_new_block(key)
block.set_coordinate(coor)
block.set_rotation(0)
block.get_param('id').set_value(id)
Actions.ELEMENT_CREATE()
return id
def update_selected_elements(self):
"""
Update the selected elements.
The update behavior depends on the state of the mouse button.
When the mouse button pressed the selection will change when
the control mask is set or the new selection is not in the current group.
When the mouse button is released the selection will change when
the mouse has moved and the control mask is set or the current group is empty.
Attempt to make a new connection if the old and ports are filled.
If the control mask is set, merge with the current elements.
"""
selected_elements = None
if self.mouse_pressed:
new_selections = self.what_is_selected(self.get_coordinate())
#update the selections if the new selection is not in the current selections
#allows us to move entire selected groups of elements
if self.get_ctrl_mask() or not (new_selections
and new_selections[0]
in self.get_selected_elements()):
selected_elements = new_selections
if self._old_selected_port:
self._old_selected_port.force_label_unhidden(False)
self.create_shapes()
self.queue_draw()
elif self._new_selected_port:
self._new_selected_port.force_label_unhidden()
else: # called from a mouse release
if not self.element_moved and (not self.get_selected_elements()
or self.get_ctrl_mask()):
selected_elements = self.what_is_selected(
self.get_coordinate(), self.press_coor)
#this selection and the last were ports, try to connect them
if self._old_selected_port and self._new_selected_port:
try:
self.connect(self._old_selected_port, self._new_selected_port)
Actions.ELEMENT_CREATE()
except:
Messages.send_fail_connection()
self._old_selected_port = None
self._new_selected_port = None
return
#update selected elements
if selected_elements is None: return
old_elements = set(self.get_selected_elements())
self._selected_elements = list(set(selected_elements))
new_elements = set(self.get_selected_elements())
#if ctrl, set the selected elements to the union - intersection of old and new
if self.get_ctrl_mask():
self._selected_elements = list(
set.union(old_elements, new_elements) -
set.intersection(old_elements, new_elements))
Actions.ELEMENT_SELECT()
elif action == Actions.FIND_BLOCKS:
self.main_window.btwin.show()
self.main_window.btwin.search_entry.show()
self.main_window.btwin.search_entry.grab_focus()
elif action == Actions.OPEN_HIER:
for b in self.get_flow_graph().get_selected_blocks():
if b._grc_source:
self.main_window.new_page(b._grc_source, show=True)
elif action == Actions.BUSSIFY_SOURCES:
n = {'name': 'bus', 'type': 'bus'}
for b in self.get_flow_graph().get_selected_blocks():
b.bussify(n, 'source')
self.get_flow_graph()._old_selected_port = None
self.get_flow_graph()._new_selected_port = None
Actions.ELEMENT_CREATE()
elif action == Actions.BUSSIFY_SINKS:
n = {'name': 'bus', 'type': 'bus'}
for b in self.get_flow_graph().get_selected_blocks():
b.bussify(n, 'sink')
self.get_flow_graph()._old_selected_port = None
self.get_flow_graph()._new_selected_port = None
Actions.ELEMENT_CREATE()
elif action == Actions.TOOLS_RUN_FDESIGN:
subprocess.Popen('gr_filter_design',
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
def _handle_action(self, action):
#print action
##################################################
# Initalize/Quit
##################################################
if action == Actions.APPLICATION_INITIALIZE:
for action in Actions.get_all_actions(): action.set_sensitive(False) #set all actions disabled
#enable a select few actions
for action in (
Actions.APPLICATION_QUIT, Actions.FLOW_GRAPH_NEW,
Actions.FLOW_GRAPH_OPEN, Actions.FLOW_GRAPH_SAVE_AS,
Actions.FLOW_GRAPH_CLOSE, Actions.ABOUT_WINDOW_DISPLAY,
Actions.FLOW_GRAPH_SCREEN_CAPTURE, Actions.HELP_WINDOW_DISPLAY,
Actions.TYPES_WINDOW_DISPLAY, Actions.TOGGLE_BLOCKS_WINDOW,
Actions.TOGGLE_REPORTS_WINDOW, Actions.TOGGLE_HIDE_DISABLED_BLOCKS,
Actions.TOOLS_RUN_FDESIGN, Actions.TOGGLE_SCROLL_LOCK,
Actions.CLEAR_REPORTS, Actions.SAVE_REPORTS,
Actions.TOGGLE_AUTO_HIDE_PORT_LABELS, Actions.TOGGLE_SNAP_TO_GRID
): action.set_sensitive(True)
if ParseXML.xml_failures:
Messages.send_xml_errors_if_any(ParseXML.xml_failures)
Actions.XML_PARSER_ERRORS_DISPLAY.set_sensitive(True)
if not self.init_file_paths:
self.init_file_paths = Preferences.files_open()
if not self.init_file_paths: self.init_file_paths = ['']
for file_path in self.init_file_paths:
if file_path: self.main_window.new_page(file_path) #load pages from file paths
if Preferences.file_open() in self.init_file_paths:
self.main_window.new_page(Preferences.file_open(), show=True)
if not self.get_page(): self.main_window.new_page() #ensure that at least a blank page exists
self.main_window.btwin.search_entry.hide()
for action in (
Actions.TOGGLE_REPORTS_WINDOW,
Actions.TOGGLE_BLOCKS_WINDOW,
Actions.TOGGLE_AUTO_HIDE_PORT_LABELS,
Actions.TOGGLE_SCROLL_LOCK,
Actions.TOGGLE_SNAP_TO_GRID
): action.load_from_preferences()
elif action == Actions.APPLICATION_QUIT:
if self.main_window.close_pages():
gtk.main_quit()
exit(0)
##################################################
# Selections
##################################################
elif action == Actions.ELEMENT_SELECT:
pass #do nothing, update routines below
elif action == Actions.NOTHING_SELECT:
self.get_flow_graph().unselect()
##################################################
# Enable/Disable
##################################################
elif action == Actions.BLOCK_ENABLE:
if self.get_flow_graph().enable_selected(True):
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
elif action == Actions.BLOCK_DISABLE:
if self.get_flow_graph().enable_selected(False):
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
##################################################
# Cut/Copy/Paste
##################################################
elif action == Actions.BLOCK_CUT:
Actions.BLOCK_COPY()
Actions.ELEMENT_DELETE()
elif action == Actions.BLOCK_COPY:
self.clipboard = self.get_flow_graph().copy_to_clipboard()
elif action == Actions.BLOCK_PASTE:
if self.clipboard:
self.get_flow_graph().paste_from_clipboard(self.clipboard)
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
##################################################
# Create heir block
##################################################
elif action == Actions.BLOCK_CREATE_HIER:
# keeping track of coordinates for pasting later
coords = self.get_flow_graph().get_selected_blocks()[0].get_coordinate()
x,y = coords
x_min = x
y_min = y
pads = [];
params = [];
# Save the state of the leaf blocks
for block in self.get_flow_graph().get_selected_blocks():
# Check for string variables within the blocks
for param in block.get_params():
for variable in self.get_flow_graph().get_variables():
# If a block parameter exists that is a variable, create a parameter for it
if param.get_value() == variable.get_id():
params.append(param.get_value())
for flow_param in self.get_flow_graph().get_parameters():
# If a block parameter exists that is a parameter, create a parameter for it
if param.get_value() == flow_param.get_id():
params.append(param.get_value())
# keep track of x,y mins for pasting later
(x,y) = block.get_coordinate()
if x < x_min:
x_min = x
if y < y_min:
y_min = y
for connection in block.get_connections():
# Get id of connected blocks
source_id = connection.get_source().get_parent().get_id()
sink_id = connection.get_sink().get_parent().get_id()
# If connected block is not in the list of selected blocks create a pad for it
if self.get_flow_graph().get_block(source_id) not in self.get_flow_graph().get_selected_blocks():
pads.append({'key': connection.get_sink().get_key(), 'coord': connection.get_source().get_coordinate(), 'block_id' : block.get_id(), 'direction': 'source'})
if self.get_flow_graph().get_block(sink_id) not in self.get_flow_graph().get_selected_blocks():
pads.append({'key': connection.get_source().get_key(), 'coord': connection.get_sink().get_coordinate(), 'block_id' : block.get_id(), 'direction': 'sink'})
# Copy the selected blocks and paste them into a new page
# then move the flowgraph to a reasonable position
Actions.BLOCK_COPY()
self.main_window.new_page()
Actions.BLOCK_PASTE()
coords = (x_min,y_min)
self.get_flow_graph().move_selected(coords)
# Set flow graph to heir block type
top_block = self.get_flow_graph().get_block("top_block")
top_block.get_param('generate_options').set_value('hb')
# this needs to be a unique name
top_block.get_param('id').set_value('new_heir')
# Remove the default samp_rate variable block that is created
remove_me = self.get_flow_graph().get_block("samp_rate")
self.get_flow_graph().remove_element(remove_me)
# Add the param blocks along the top of the window
x_pos = 150
for param in params:
param_id = self.get_flow_graph().add_new_block('parameter',(x_pos,10))
param_block = self.get_flow_graph().get_block(param_id)
param_block.get_param('id').set_value(param)
x_pos = x_pos + 100
for pad in pads:
# Add the pad sources and sinks within the new heir block
if pad['direction'] == 'sink':
# Add new PAD_SINK block to the canvas
pad_id = self.get_flow_graph().add_new_block('pad_sink', pad['coord'])
# setup the references to the sink and source
pad_block = self.get_flow_graph().get_block(pad_id)
pad_sink = pad_block.get_sinks()[0]
source_block = self.get_flow_graph().get_block(pad['block_id'])
source = source_block.get_source(pad['key'])
# Ensure the port types match
while pad_sink.get_type() != source.get_type():
# Special case for some blocks that have non-standard type names, e.g. uhd
if pad_sink.get_type() == 'complex' and source.get_type() == 'fc32':
break;
pad_block.type_controller_modify(1)
# Connect the pad to the proper sinks
new_connection = self.get_flow_graph().connect(source,pad_sink)
elif pad['direction'] == 'source':
pad_id = self.get_flow_graph().add_new_block('pad_source', pad['coord'])
# setup the references to the sink and source
pad_block = self.get_flow_graph().get_block(pad_id)
pad_source = pad_block.get_sources()[0]
sink_block = self.get_flow_graph().get_block(pad['block_id'])
sink = sink_block.get_sink(pad['key'])
# Ensure the port types match
while sink.get_type() != pad_source.get_type():
# Special case for some blocks that have non-standard type names, e.g. uhd
if pad_source.get_type() == 'complex' and sink.get_type() == 'fc32':
break;
pad_block.type_controller_modify(1)
# Connect the pad to the proper sinks
new_connection = self.get_flow_graph().connect(pad_source,sink)
# update the new heir block flow graph
self.get_flow_graph().update()
##################################################
# Move/Rotate/Delete/Create
##################################################
elif action == Actions.BLOCK_MOVE:
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
elif action == Actions.BLOCK_ROTATE_CCW:
if self.get_flow_graph().rotate_selected(90):
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
elif action == Actions.BLOCK_ROTATE_CW:
if self.get_flow_graph().rotate_selected(-90):
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
elif action == Actions.ELEMENT_DELETE:
if self.get_flow_graph().remove_selected():
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
Actions.NOTHING_SELECT()
self.get_page().set_saved(False)
elif action == Actions.ELEMENT_CREATE:
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
Actions.NOTHING_SELECT()
self.get_page().set_saved(False)
elif action == Actions.BLOCK_INC_TYPE:
if self.get_flow_graph().type_controller_modify_selected(1):
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
elif action == Actions.BLOCK_DEC_TYPE:
if self.get_flow_graph().type_controller_modify_selected(-1):
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
elif action == Actions.PORT_CONTROLLER_INC:
if self.get_flow_graph().port_controller_modify_selected(1):
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
elif action == Actions.PORT_CONTROLLER_DEC:
if self.get_flow_graph().port_controller_modify_selected(-1):
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
##################################################
# Window stuff
##################################################
elif action == Actions.ABOUT_WINDOW_DISPLAY:
Dialogs.AboutDialog(self.get_flow_graph().get_parent())
elif action == Actions.HELP_WINDOW_DISPLAY:
Dialogs.HelpDialog()
elif action == Actions.TYPES_WINDOW_DISPLAY:
Dialogs.TypesDialog(self.get_flow_graph().get_parent())
elif action == Actions.ERRORS_WINDOW_DISPLAY:
Dialogs.ErrorsDialog(self.get_flow_graph())
elif action == Actions.TOGGLE_REPORTS_WINDOW:
if action.get_active():
self.main_window.reports_scrolled_window.show()
else:
self.main_window.reports_scrolled_window.hide()
action.save_to_preferences()
elif action == Actions.TOGGLE_BLOCKS_WINDOW:
if action.get_active():
self.main_window.btwin.show()
else:
self.main_window.btwin.hide()
action.save_to_preferences()
elif action == Actions.TOGGLE_SCROLL_LOCK:
active = action.get_active()
self.main_window.text_display.scroll_lock = active
if active:
self.main_window.text_display.scroll_to_end()
action.save_to_preferences()
elif action == Actions.CLEAR_REPORTS:
self.main_window.text_display.clear()
elif action == Actions.SAVE_REPORTS:
file_path = SaveReportsFileDialog(self.get_page().get_file_path()).run()
if file_path is not None:
self.main_window.text_display.save(file_path)
elif action == Actions.TOGGLE_HIDE_DISABLED_BLOCKS:
Actions.NOTHING_SELECT()
elif action == Actions.TOGGLE_AUTO_HIDE_PORT_LABELS:
action.save_to_preferences()
self.main_window.get_flow_graph().create_shapes()
elif action == Actions.TOGGLE_SNAP_TO_GRID:
action.save_to_preferences()
##################################################
# Param Modifications
##################################################
elif action == Actions.BLOCK_PARAM_MODIFY:
selected_block = self.get_flow_graph().get_selected_block()
if selected_block:
if PropsDialog(selected_block).run():
#save the new state
self.get_flow_graph().update()
self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
self.get_page().set_saved(False)
else:
#restore the current state
n = self.get_page().get_state_cache().get_current_state()
self.get_flow_graph().import_data(n)
self.get_flow_graph().update()
##################################################
# View Parser Errors
##################################################
elif action == Actions.XML_PARSER_ERRORS_DISPLAY:
ParserErrorsDialog(ParseXML.xml_failures).run()
##################################################
# Undo/Redo
##################################################
elif action == Actions.FLOW_GRAPH_UNDO:
n = self.get_page().get_state_cache().get_prev_state()
if n:
self.get_flow_graph().unselect()
self.get_flow_graph().import_data(n)
self.get_flow_graph().update()
self.get_page().set_saved(False)
elif action == Actions.FLOW_GRAPH_REDO:
n = self.get_page().get_state_cache().get_next_state()
if n:
self.get_flow_graph().unselect()
self.get_flow_graph().import_data(n)
self.get_flow_graph().update()
self.get_page().set_saved(False)
##################################################
# New/Open/Save/Close
##################################################
elif action == Actions.FLOW_GRAPH_NEW:
self.main_window.new_page()
elif action == Actions.FLOW_GRAPH_OPEN:
file_paths = OpenFlowGraphFileDialog(self.get_page().get_file_path()).run()
if file_paths: #open a new page for each file, show only the first
for i,file_path in enumerate(file_paths):
self.main_window.new_page(file_path, show=(i==0))
elif action == Actions.FLOW_GRAPH_CLOSE:
self.main_window.close_page()
elif action == Actions.FLOW_GRAPH_SAVE:
#read-only or undefined file path, do save-as
if self.get_page().get_read_only() or not self.get_page().get_file_path():
Actions.FLOW_GRAPH_SAVE_AS()
#otherwise try to save
else:
try:
ParseXML.to_file(self.get_flow_graph().export_data(), self.get_page().get_file_path())
self.get_flow_graph().grc_file_path = self.get_page().get_file_path()
self.get_page().set_saved(True)
except IOError:
Messages.send_fail_save(self.get_page().get_file_path())
self.get_page().set_saved(False)
elif action == Actions.FLOW_GRAPH_SAVE_AS:
file_path = SaveFlowGraphFileDialog(self.get_page().get_file_path()).run()
if file_path is not None:
self.get_page().set_file_path(file_path)
Actions.FLOW_GRAPH_SAVE()
elif action == Actions.FLOW_GRAPH_SCREEN_CAPTURE:
file_path = SaveImageFileDialog(self.get_page().get_file_path()).run()
if file_path is not None:
pixbuf = self.get_flow_graph().get_drawing_area().get_pixbuf()
pixbuf.save(file_path, IMAGE_FILE_EXTENSION[1:])
##################################################
# Gen/Exec/Stop
##################################################
elif action == Actions.FLOW_GRAPH_GEN:
if not self.get_page().get_proc():
if not self.get_page().get_saved() or not self.get_page().get_file_path():
Actions.FLOW_GRAPH_SAVE() #only save if file path missing or not saved
if self.get_page().get_saved() and self.get_page().get_file_path():
generator = self.get_page().get_generator()
try:
Messages.send_start_gen(generator.get_file_path())
generator.write()
except Exception,e: Messages.send_fail_gen(e)
else: self.generator = None
elif action == Actions.FLOW_GRAPH_EXEC:
if not self.get_page().get_proc():
Actions.FLOW_GRAPH_GEN()
if self.get_page().get_saved() and self.get_page().get_file_path():
ExecFlowGraphThread(self)
elif action == Actions.FLOW_GRAPH_KILL:
if self.get_page().get_proc():
try: self.get_page().get_proc().kill()
except: print "could not kill process: %d"%self.get_page().get_proc().pid
elif action == Actions.PAGE_CHANGE: #pass and run the global actions
pass
elif action == Actions.RELOAD_BLOCKS:
self.platform.load_blocks()
self.main_window.btwin.clear()
self.platform.load_block_tree(self.main_window.btwin)
Actions.XML_PARSER_ERRORS_DISPLAY.set_sensitive(bool(ParseXML.xml_failures))
Messages.send_xml_errors_if_any(ParseXML.xml_failures)
# Force a redraw of the graph, by getting the current state and re-importing it
self.main_window.update_pages()
elif action == Actions.FIND_BLOCKS:
self.main_window.btwin.show()
self.main_window.btwin.search_entry.show()
self.main_window.btwin.search_entry.grab_focus()
elif action == Actions.OPEN_HIER:
for b in self.get_flow_graph().get_selected_blocks():
if b._grc_source:
self.main_window.new_page(b._grc_source, show=True)
elif action == Actions.BUSSIFY_SOURCES:
n = {'name':'bus', 'type':'bus'}
for b in self.get_flow_graph().get_selected_blocks():
b.bussify(n, 'source')
self.get_flow_graph()._old_selected_port = None
self.get_flow_graph()._new_selected_port = None
Actions.ELEMENT_CREATE()
elif action == Actions.BUSSIFY_SINKS:
n = {'name':'bus', 'type':'bus'}
for b in self.get_flow_graph().get_selected_blocks():
b.bussify(n, 'sink')
self.get_flow_graph()._old_selected_port = None
self.get_flow_graph()._new_selected_port = None
Actions.ELEMENT_CREATE()
elif action == Actions.TOOLS_RUN_FDESIGN:
subprocess.Popen('gr_filter_design',
shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
else:
print '!!! Action "%s" not handled !!!' % action
##################################################
# Global Actions for all States
##################################################
#update general buttons
Actions.ERRORS_WINDOW_DISPLAY.set_sensitive(not self.get_flow_graph().is_valid())
Actions.ELEMENT_DELETE.set_sensitive(bool(self.get_flow_graph().get_selected_elements()))
Actions.BLOCK_PARAM_MODIFY.set_sensitive(bool(self.get_flow_graph().get_selected_block()))
Actions.BLOCK_ROTATE_CCW.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.BLOCK_ROTATE_CW.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
#update cut/copy/paste
Actions.BLOCK_CUT.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.BLOCK_COPY.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.BLOCK_PASTE.set_sensitive(bool(self.clipboard))
#update enable/disable
Actions.BLOCK_ENABLE.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.BLOCK_DISABLE.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.BLOCK_CREATE_HIER.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.OPEN_HIER.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.BUSSIFY_SOURCES.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.BUSSIFY_SINKS.set_sensitive(bool(self.get_flow_graph().get_selected_blocks()))
Actions.RELOAD_BLOCKS.set_sensitive(True)
Actions.FIND_BLOCKS.set_sensitive(True)
#set the exec and stop buttons
self.update_exec_stop()
#saved status
Actions.FLOW_GRAPH_SAVE.set_sensitive(not self.get_page().get_saved())
self.main_window.update()
try: #set the size of the flow graph area (if changed)
new_size = self.get_flow_graph().get_option('window_size')
if self.get_flow_graph().get_size() != tuple(new_size):
self.get_flow_graph().set_size(*new_size)
except: pass
#draw the flow graph
self.get_flow_graph().update_selected()
self.get_flow_graph().queue_draw()
return True #action was handled
