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gnuradio-companion/gui/Actions.py
Sebastian Koslowski 8b374557a7 grc: gtk3: make screnshots as png, pdf and svg
2016-09-12 12:15:35 -06:00

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"""
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
"""
from __future__ import absolute_import
import six
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GObject
from . import Preferences
NO_MODS_MASK = 0
########################################################################
# Actions API
########################################################################
_actions_keypress_dict = dict()
_keymap = 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.
Args:
event: a gtk key press event
Returns:
true if handled
"""
# extract the key value and the consumed modifiers
_unused, keyval, egroup, level, consumed = _keymap.translate_keyboard_state(
event.hardware_keycode, event.get_state(), event.group)
# get the modifier mask and ignore irrelevant modifiers
mod_mask = event.get_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
else:
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 _ActionBase(object):
"""
Base class for Action and ToggleAction
Register actions and keypresses with this module.
"""
def __init__(self, label, keypresses):
global _used_mods_mask
_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 (keyval, mod_mask) in _actions_keypress_dict:
raise KeyError('keyval/mod_mask pair already registered "%s"' % str((keyval, mod_mask)))
_actions_keypress_dict[(keyval, mod_mask)] = self
_used_mods_mask |= mod_mask
# 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 = '<main>/' + self.get_name()
self.set_accel_group(get_accel_group())
self.set_accel_path(accel_path)
Gtk.AccelMap.add_entry(accel_path, keyval, mod_mask)
self.args = None
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.
"""
for name, value in six.iteritems(globals()):
if value == self:
return name
return self.get_name()
def __repr__(self): return str(self)
def __call__(self, *args):
"""
Emit the activate signal when called with ().
"""
self.args = args
self.emit('activate')
class Action(Gtk.Action, _ActionBase):
"""
A custom Action class based on Gtk.Action.
Pass additional arguments such as keypresses.
"""
def __init__(self, keypresses=(), name=None, label=None, tooltip=None,
stock_id=None):
"""
Create a new Action instance.
Args:
key_presses: a tuple of (keyval1, mod_mask1, keyval2, mod_mask2, ...)
the: regular Gtk.Action parameters (defaults to None)
"""
if name is None:
name = label
GObject.GObject.__init__(self, name=name, label=label, tooltip=tooltip,
stock_id=stock_id)
_ActionBase.__init__(self, label, keypresses)
class ToggleAction(Gtk.ToggleAction, _ActionBase):
"""
A custom Action class based on Gtk.ToggleAction.
Pass additional arguments such as keypresses.
"""
def __init__(self, keypresses=(), name=None, label=None, tooltip=None,
stock_id=None, preference_name=None, default=True):
"""
Create a new ToggleAction instance.
Args:
key_presses: a tuple of (keyval1, mod_mask1, keyval2, mod_mask2, ...)
the: regular Gtk.Action parameters (defaults to None)
"""
if name is None:
name = label
GObject.GObject.__init__(self, name=name, label=label,
tooltip=tooltip, stock_id=stock_id)
_ActionBase.__init__(self, label, keypresses)
self.preference_name = preference_name
self.default = default
def load_from_preferences(self):
if self.preference_name is not None:
self.set_active(Preferences.entry(
self.preference_name, default=bool(self.default)))
def save_to_preferences(self):
if self.preference_name is not None:
Preferences.entry(self.preference_name, value=self.get_active())
########################################################################
# Actions
########################################################################
PAGE_CHANGE = Action()
EXTERNAL_UPDATE = Action()
VARIABLE_EDITOR_UPDATE = Action()
FLOW_GRAPH_NEW = Action(
label='_New',
tooltip='Create a new flow graph',
stock_id=Gtk.STOCK_NEW,
keypresses=(Gdk.KEY_n, Gdk.ModifierType.CONTROL_MASK),
)
FLOW_GRAPH_OPEN = Action(
label='_Open',
tooltip='Open an existing flow graph',
stock_id=Gtk.STOCK_OPEN,
keypresses=(Gdk.KEY_o, Gdk.ModifierType.CONTROL_MASK),
)
FLOW_GRAPH_OPEN_RECENT = Action(
label='Open _Recent',
tooltip='Open a recently used flow graph',
stock_id=Gtk.STOCK_OPEN,
)
FLOW_GRAPH_SAVE = Action(
label='_Save',
tooltip='Save the current flow graph',
stock_id=Gtk.STOCK_SAVE,
keypresses=(Gdk.KEY_s, Gdk.ModifierType.CONTROL_MASK),
)
FLOW_GRAPH_SAVE_AS = Action(
label='Save _As',
tooltip='Save the current flow graph as...',
stock_id=Gtk.STOCK_SAVE_AS,
keypresses=(Gdk.KEY_s, Gdk.ModifierType.CONTROL_MASK | Gdk.ModifierType.SHIFT_MASK),
)
FLOW_GRAPH_CLOSE = Action(
label='_Close',
tooltip='Close the current flow graph',
stock_id=Gtk.STOCK_CLOSE,
keypresses=(Gdk.KEY_w, Gdk.ModifierType.CONTROL_MASK),
)
APPLICATION_INITIALIZE = Action()
APPLICATION_QUIT = Action(
label='_Quit',
tooltip='Quit program',
stock_id=Gtk.STOCK_QUIT,
keypresses=(Gdk.KEY_q, Gdk.ModifierType.CONTROL_MASK),
)
FLOW_GRAPH_UNDO = Action(
label='_Undo',
tooltip='Undo a change to the flow graph',
stock_id=Gtk.STOCK_UNDO,
keypresses=(Gdk.KEY_z, Gdk.ModifierType.CONTROL_MASK),
)
FLOW_GRAPH_REDO = Action(
label='_Redo',
tooltip='Redo a change to the flow graph',
stock_id=Gtk.STOCK_REDO,
keypresses=(Gdk.KEY_y, Gdk.ModifierType.CONTROL_MASK),
)
NOTHING_SELECT = Action()
SELECT_ALL = Action(
label='Select _All',
tooltip='Select all blocks and connections in the flow graph',
stock_id=Gtk.STOCK_SELECT_ALL,
keypresses=(Gdk.KEY_a, Gdk.ModifierType.CONTROL_MASK),
)
ELEMENT_SELECT = Action()
ELEMENT_CREATE = Action()
ELEMENT_DELETE = Action(
label='_Delete',
tooltip='Delete the selected blocks',
stock_id=Gtk.STOCK_DELETE,
keypresses=(Gdk.KEY_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=(Gdk.KEY_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=(Gdk.KEY_Right, NO_MODS_MASK),
)
BLOCK_VALIGN_TOP = Action(
label='Vertical Align Top',
tooltip='Align tops of selected blocks',
keypresses=(Gdk.KEY_t, Gdk.ModifierType.SHIFT_MASK),
)
BLOCK_VALIGN_MIDDLE = Action(
label='Vertical Align Middle',
tooltip='Align centers of selected blocks vertically',
keypresses=(Gdk.KEY_m, Gdk.ModifierType.SHIFT_MASK),
)
BLOCK_VALIGN_BOTTOM = Action(
label='Vertical Align Bottom',
tooltip='Align bottoms of selected blocks',
keypresses=(Gdk.KEY_b, Gdk.ModifierType.SHIFT_MASK),
)
BLOCK_HALIGN_LEFT = Action(
label='Horizontal Align Left',
tooltip='Align left edges of blocks selected blocks',
keypresses=(Gdk.KEY_l, Gdk.ModifierType.SHIFT_MASK),
)
BLOCK_HALIGN_CENTER = Action(
label='Horizontal Align Center',
tooltip='Align centers of selected blocks horizontally',
keypresses=(Gdk.KEY_c, Gdk.ModifierType.SHIFT_MASK),
)
BLOCK_HALIGN_RIGHT = Action(
label='Horizontal Align Right',
tooltip='Align right edges of selected blocks',
keypresses=(Gdk.KEY_r, Gdk.ModifierType.SHIFT_MASK),
)
BLOCK_ALIGNMENTS = [
BLOCK_VALIGN_TOP,
BLOCK_VALIGN_MIDDLE,
BLOCK_VALIGN_BOTTOM,
None,
BLOCK_HALIGN_LEFT,
BLOCK_HALIGN_CENTER,
BLOCK_HALIGN_RIGHT,
]
BLOCK_PARAM_MODIFY = Action(
label='_Properties',
tooltip='Modify params for the selected block',
stock_id=Gtk.STOCK_PROPERTIES,
keypresses=(Gdk.KEY_Return, NO_MODS_MASK),
)
BLOCK_ENABLE = Action(
label='E_nable',
tooltip='Enable the selected blocks',
stock_id=Gtk.STOCK_CONNECT,
keypresses=(Gdk.KEY_e, NO_MODS_MASK),
)
BLOCK_DISABLE = Action(
label='D_isable',
tooltip='Disable the selected blocks',
stock_id=Gtk.STOCK_DISCONNECT,
keypresses=(Gdk.KEY_d, NO_MODS_MASK),
)
BLOCK_BYPASS = Action(
label='_Bypass',
tooltip='Bypass the selected block',
stock_id=Gtk.STOCK_MEDIA_FORWARD,
keypresses=(Gdk.KEY_b, NO_MODS_MASK),
)
TOGGLE_SNAP_TO_GRID = ToggleAction(
label='_Snap to grid',
tooltip='Snap blocks to a grid for an easier connection alignment',
preference_name='snap_to_grid'
)
TOGGLE_HIDE_DISABLED_BLOCKS = ToggleAction(
label='Hide _Disabled Blocks',
tooltip='Toggle visibility of disabled blocks and connections',
stock_id=Gtk.STOCK_MISSING_IMAGE,
keypresses=(Gdk.KEY_d, Gdk.ModifierType.CONTROL_MASK),
)
TOGGLE_HIDE_VARIABLES = ToggleAction(
label='Hide Variables',
tooltip='Hide all variable blocks',
preference_name='hide_variables',
default=False,
)
TOGGLE_FLOW_GRAPH_VAR_EDITOR = ToggleAction(
label='Show _Variable Editor',
tooltip='Show the variable editor. Modify variables and imports in this flow graph',
stock_id=Gtk.STOCK_EDIT,
default=True,
keypresses=(Gdk.KEY_e, Gdk.ModifierType.CONTROL_MASK),
preference_name='variable_editor_visable',
)
TOGGLE_FLOW_GRAPH_VAR_EDITOR_SIDEBAR = ToggleAction(
label='Move the Variable Editor to the Sidebar',
tooltip='Move the variable editor to the sidebar',
default=False,
preference_name='variable_editor_sidebar',
)
TOGGLE_AUTO_HIDE_PORT_LABELS = ToggleAction(
label='Auto-Hide _Port Labels',
tooltip='Automatically hide port labels',
preference_name='auto_hide_port_labels'
)
TOGGLE_SHOW_BLOCK_COMMENTS = ToggleAction(
label='Show Block Comments',
tooltip="Show comment beneath each block",
preference_name='show_block_comments'
)
TOGGLE_SHOW_CODE_PREVIEW_TAB = ToggleAction(
label='Generated Code Preview',
tooltip="Show a preview of the code generated for each Block in its "
"Properties Dialog",
preference_name='show_generated_code_tab',
default=False,
)
TOGGLE_SHOW_FLOWGRAPH_COMPLEXITY = ToggleAction(
label='Show Flowgraph Complexity',
tooltip="How many Balints is the flowgraph...",
preference_name='show_flowgraph_complexity',
default=False,
)
BLOCK_CREATE_HIER = Action(
label='C_reate Hier',
tooltip='Create hier block from selected blocks',
stock_id=Gtk.STOCK_CONNECT,
# keypresses=(Gdk.KEY_c, NO_MODS_MASK),
)
BLOCK_CUT = Action(
label='Cu_t',
tooltip='Cut',
stock_id=Gtk.STOCK_CUT,
keypresses=(Gdk.KEY_x, Gdk.ModifierType.CONTROL_MASK),
)
BLOCK_COPY = Action(
label='_Copy',
tooltip='Copy',
stock_id=Gtk.STOCK_COPY,
keypresses=(Gdk.KEY_c, Gdk.ModifierType.CONTROL_MASK),
)
BLOCK_PASTE = Action(
label='_Paste',
tooltip='Paste',
stock_id=Gtk.STOCK_PASTE,
keypresses=(Gdk.KEY_v, Gdk.ModifierType.CONTROL_MASK),
)
ERRORS_WINDOW_DISPLAY = Action(
label='Flowgraph _Errors',
tooltip='View flow graph errors',
stock_id=Gtk.STOCK_DIALOG_ERROR,
)
TOGGLE_CONSOLE_WINDOW = ToggleAction(
label='Show _Console Panel',
tooltip='Toggle visibility of the console',
keypresses=(Gdk.KEY_r, Gdk.ModifierType.CONTROL_MASK),
preference_name='console_window_visible'
)
TOGGLE_BLOCKS_WINDOW = ToggleAction(
label='Show _Block Tree Panel',
tooltip='Toggle visibility of the block tree widget',
keypresses=(Gdk.KEY_b, Gdk.ModifierType.CONTROL_MASK),
preference_name='blocks_window_visible'
)
TOGGLE_SCROLL_LOCK = ToggleAction(
label='Console Scroll _Lock',
tooltip='Toggle scroll lock for the console window',
preference_name='scroll_lock'
)
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=(Gdk.KEY_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=(Gdk.KEY_F5, NO_MODS_MASK),
)
FLOW_GRAPH_EXEC = Action(
label='_Execute',
tooltip='Execute the flow graph',
stock_id=Gtk.STOCK_MEDIA_PLAY,
keypresses=(Gdk.KEY_F6, NO_MODS_MASK),
)
FLOW_GRAPH_KILL = Action(
label='_Kill',
tooltip='Kill the flow graph',
stock_id=Gtk.STOCK_STOP,
keypresses=(Gdk.KEY_F7, NO_MODS_MASK),
)
FLOW_GRAPH_SCREEN_CAPTURE = Action(
label='Screen Ca_pture',
tooltip='Create a screen capture of the flow graph',
stock_id=Gtk.STOCK_PRINT,
keypresses=(Gdk.KEY_p, Gdk.ModifierType.CONTROL_MASK),
)
PORT_CONTROLLER_DEC = Action(
keypresses=(Gdk.KEY_minus, NO_MODS_MASK, Gdk.KEY_KP_Subtract, NO_MODS_MASK),
)
PORT_CONTROLLER_INC = Action(
keypresses=(Gdk.KEY_plus, NO_MODS_MASK, Gdk.KEY_KP_Add, NO_MODS_MASK),
)
BLOCK_INC_TYPE = Action(
keypresses=(Gdk.KEY_Down, NO_MODS_MASK),
)
BLOCK_DEC_TYPE = Action(
keypresses=(Gdk.KEY_Up, NO_MODS_MASK),
)
RELOAD_BLOCKS = Action(
label='Reload _Blocks',
tooltip='Reload Blocks',
stock_id=Gtk.STOCK_REFRESH
)
FIND_BLOCKS = Action(
label='_Find Blocks',
tooltip='Search for a block by name (and key)',
stock_id=Gtk.STOCK_FIND,
keypresses=(Gdk.KEY_f, Gdk.ModifierType.CONTROL_MASK,
Gdk.KEY_slash, NO_MODS_MASK),
)
CLEAR_CONSOLE = Action(
label='_Clear Console',
tooltip='Clear Console',
stock_id=Gtk.STOCK_CLEAR,
)
SAVE_CONSOLE = Action(
label='_Save Console',
tooltip='Save Console',
stock_id=Gtk.STOCK_SAVE,
)
OPEN_HIER = Action(
label='Open H_ier',
tooltip='Open the source of the selected hierarchical block',
stock_id=Gtk.STOCK_JUMP_TO,
)
BUSSIFY_SOURCES = Action(
label='Toggle So_urce Bus',
tooltip='Gang source ports into a single bus port',
stock_id=Gtk.STOCK_JUMP_TO,
)
BUSSIFY_SINKS = Action(
label='Toggle S_ink Bus',
tooltip='Gang sink ports into a single bus port',
stock_id=Gtk.STOCK_JUMP_TO,
)
XML_PARSER_ERRORS_DISPLAY = Action(
label='_Parser Errors',
tooltip='View errors that occurred while parsing XML files',
stock_id=Gtk.STOCK_DIALOG_ERROR,
)
FLOW_GRAPH_OPEN_QSS_THEME = Action(
label='Set Default QT GUI _Theme',
tooltip='Set a default QT Style Sheet file to use for QT GUI',
stock_id=Gtk.STOCK_OPEN,
)
TOOLS_RUN_FDESIGN = Action(
label='Filter Design Tool',
tooltip='Execute gr_filter_design',
stock_id=Gtk.STOCK_EXECUTE,
)
TOOLS_MORE_TO_COME = Action(
label='More to come',
)
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