""" Copyright 2007-2011 Free Software Foundation, Inc. This file is part of GNU Radio GNU Radio Companion is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. GNU Radio Companion is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty 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 """ import pygtk pygtk.require('2.0') import gtk NO_MODS_MASK = 0 ######################################################################## # Actions API ######################################################################## _actions_keypress_dict = dict() _keymap = gtk.gdk.keymap_get_default() _used_mods_mask = NO_MODS_MASK def handle_key_press(event): """ Call the action associated with the key press event. Both the key value and the mask must have a match. @param event a gtk key press event @return true if handled """ _used_mods_mask = reduce(lambda x, y: x | y, [mod_mask for keyval, mod_mask in _actions_keypress_dict], NO_MODS_MASK) #extract the key value and the consumed modifiers keyval, egroup, level, consumed = _keymap.translate_keyboard_state( event.hardware_keycode, event.state, event.group) #get the modifier mask and ignore irrelevant modifiers mod_mask = event.state & ~consumed & _used_mods_mask #look up the keypress and call the action try: _actions_keypress_dict[(keyval, mod_mask)]() except KeyError: return False #not handled return True #handled here _all_actions_list = list() def get_all_actions(): return _all_actions_list _accel_group = gtk.AccelGroup() def get_accel_group(): return _accel_group class Action(gtk.Action): """ A custom Action class based on gtk.Action. Pass additional arguments such as keypresses. Register actions and keypresses with this module. """ def __init__(self, keypresses=(), name=None, label=None, tooltip=None, stock_id=None): """ Create a new Action instance. @param key_presses a tuple of (keyval1, mod_mask1, keyval2, mod_mask2, ...) @param the regular gtk.Action parameters (defaults to None) """ if name is None: name = label gtk.Action.__init__(self, name=name, label=label, tooltip=tooltip, stock_id=stock_id, ) #register this action _all_actions_list.append(self) for i in range(len(keypresses)/2): keyval, mod_mask = keypresses[i*2:(i+1)*2] #register this keypress if _actions_keypress_dict.has_key((keyval, mod_mask)): raise KeyError('keyval/mod_mask pair already registered "%s"'%str((keyval, mod_mask))) _actions_keypress_dict[(keyval, mod_mask)] = self #set the accelerator group, and accelerator path #register the key name and mod mask with the accelerator path if label is None: continue #dont register accel accel_path = '
/'+self.get_name() self.set_accel_group(get_accel_group()) self.set_accel_path(accel_path) gtk.accel_map_add_entry(accel_path, keyval, mod_mask) def __str__(self): """ The string representation should be the name of the action id. Try to find the action id for this action by searching this module. """ try: import Actions return filter(lambda attr: getattr(Actions, attr) == self, dir(Actions))[0] except: return self.get_name() def __repr__(self): return str(self) def __call__(self): """ Emit the activate signal when called with (). """ self.emit('activate') ######################################################################## # Actions ######################################################################## PAGE_CHANGE = Action() FLOW_GRAPH_NEW = Action( label='_New', tooltip='Create a new flow graph', stock_id=gtk.STOCK_NEW, keypresses=(gtk.keysyms.n, gtk.gdk.CONTROL_MASK), ) FLOW_GRAPH_OPEN = Action( label='_Open', tooltip='Open an existing flow graph', stock_id=gtk.STOCK_OPEN, keypresses=(gtk.keysyms.o, gtk.gdk.CONTROL_MASK), ) FLOW_GRAPH_SAVE = Action( label='_Save', tooltip='Save the current flow graph', stock_id=gtk.STOCK_SAVE, keypresses=(gtk.keysyms.s, gtk.gdk.CONTROL_MASK), ) FLOW_GRAPH_SAVE_AS = Action( label='Save _As', tooltip='Save the current flow graph as...', stock_id=gtk.STOCK_SAVE_AS, keypresses=(gtk.keysyms.s, gtk.gdk.CONTROL_MASK | gtk.gdk.SHIFT_MASK), ) FLOW_GRAPH_CLOSE = Action( label='_Close', tooltip='Close the current flow graph', stock_id=gtk.STOCK_CLOSE, keypresses=(gtk.keysyms.w, gtk.gdk.CONTROL_MASK), ) APPLICATION_INITIALIZE = Action() APPLICATION_QUIT = Action( label='_Quit', tooltip='Quit program', stock_id=gtk.STOCK_QUIT, keypresses=(gtk.keysyms.q, gtk.gdk.CONTROL_MASK), ) FLOW_GRAPH_UNDO = Action( label='_Undo', tooltip='Undo a change to the flow graph', stock_id=gtk.STOCK_UNDO, keypresses=(gtk.keysyms.z, gtk.gdk.CONTROL_MASK), ) FLOW_GRAPH_REDO = Action( label='_Redo', tooltip='Redo a change to the flow graph', stock_id=gtk.STOCK_REDO, keypresses=(gtk.keysyms.y, gtk.gdk.CONTROL_MASK), ) NOTHING_SELECT = Action() ELEMENT_SELECT = Action() ELEMENT_CREATE = Action() ELEMENT_DELETE = Action( label='_Delete', tooltip='Delete the selected blocks', stock_id=gtk.STOCK_DELETE, keypresses=(gtk.keysyms.Delete, NO_MODS_MASK), ) BLOCK_MOVE = Action() BLOCK_ROTATE_CCW = Action( label='Rotate Counterclockwise', tooltip='Rotate the selected blocks 90 degrees to the left', stock_id=gtk.STOCK_GO_BACK, keypresses=(gtk.keysyms.Left, NO_MODS_MASK), ) BLOCK_ROTATE_CW = Action( label='Rotate Clockwise', tooltip='Rotate the selected blocks 90 degrees to the right', stock_id=gtk.STOCK_GO_FORWARD, keypresses=(gtk.keysyms.Right, NO_MODS_MASK), ) BLOCK_PARAM_MODIFY = Action( label='_Properties', tooltip='Modify params for the selected block', stock_id=gtk.STOCK_PROPERTIES, keypresses=(gtk.keysyms.Return, NO_MODS_MASK), ) BLOCK_ENABLE = Action( label='E_nable', tooltip='Enable the selected blocks', stock_id=gtk.STOCK_CONNECT, keypresses=(gtk.keysyms.e, NO_MODS_MASK), ) BLOCK_DISABLE = Action( label='D_isable', tooltip='Disable the selected blocks', stock_id=gtk.STOCK_DISCONNECT, keypresses=(gtk.keysyms.d, NO_MODS_MASK), ) BLOCK_CREATE_HIER = Action( label='C_reate Hier', tooltip='Create hier block from selected blocks', stock_id=gtk.STOCK_CONNECT, # keypresses=(gtk.keysyms.c, NO_MODS_MASK), ) BLOCK_CUT = Action( label='Cu_t', tooltip='Cut', stock_id=gtk.STOCK_CUT, keypresses=(gtk.keysyms.x, gtk.gdk.CONTROL_MASK), ) BLOCK_COPY = Action( label='_Copy', tooltip='Copy', stock_id=gtk.STOCK_COPY, keypresses=(gtk.keysyms.c, gtk.gdk.CONTROL_MASK), ) BLOCK_PASTE = Action( label='_Paste', tooltip='Paste', stock_id=gtk.STOCK_PASTE, keypresses=(gtk.keysyms.v, gtk.gdk.CONTROL_MASK), ) ERRORS_WINDOW_DISPLAY = Action( label='_Errors', tooltip='View flow graph errors', stock_id=gtk.STOCK_DIALOG_ERROR, ) ABOUT_WINDOW_DISPLAY = Action( label='_About', tooltip='About this program', stock_id=gtk.STOCK_ABOUT, ) HELP_WINDOW_DISPLAY = Action( label='_Help', tooltip='Usage tips', stock_id=gtk.STOCK_HELP, keypresses=(gtk.keysyms.F1, NO_MODS_MASK), ) TYPES_WINDOW_DISPLAY = Action( label='_Types', tooltip='Types color mapping', stock_id=gtk.STOCK_DIALOG_INFO, ) FLOW_GRAPH_GEN = Action( label='_Generate', tooltip='Generate the flow graph', stock_id=gtk.STOCK_CONVERT, keypresses=(gtk.keysyms.F5, NO_MODS_MASK), ) FLOW_GRAPH_EXEC = Action( label='_Execute', tooltip='Execute the flow graph', stock_id=gtk.STOCK_EXECUTE, keypresses=(gtk.keysyms.F6, NO_MODS_MASK), ) FLOW_GRAPH_KILL = Action( label='_Kill', tooltip='Kill the flow graph', stock_id=gtk.STOCK_STOP, keypresses=(gtk.keysyms.F7, NO_MODS_MASK), ) FLOW_GRAPH_SCREEN_CAPTURE = Action( label='S_creen Capture', tooltip='Create a screen capture of the flow graph', stock_id=gtk.STOCK_PRINT, keypresses=(gtk.keysyms.Print, NO_MODS_MASK), ) PORT_CONTROLLER_DEC = Action( keypresses=(gtk.keysyms.minus, NO_MODS_MASK, gtk.keysyms.KP_Subtract, NO_MODS_MASK), ) PORT_CONTROLLER_INC = Action( keypresses=(gtk.keysyms.plus, NO_MODS_MASK, gtk.keysyms.KP_Add, NO_MODS_MASK), ) BLOCK_INC_TYPE = Action( keypresses=(gtk.keysyms.Down, NO_MODS_MASK), ) BLOCK_DEC_TYPE = Action( keypresses=(gtk.keysyms.Up, NO_MODS_MASK), ) RELOAD_BLOCKS = Action( label='Reload _Blocks', tooltip='Reload Blocks', stock_id=gtk.STOCK_REFRESH ) OPEN_HIER = Action( label='Open H_ier', tooltip='Open the source of the selected hierarchical block', stock_id=gtk.STOCK_JUMP_TO, )