terminator/terminatorlib/window.py

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#!/usr/bin/python
# Terminator by Chris Jones <cmsj@tenshu.net>
# GPL v2 only
"""window.py - class for the main Terminator window"""
import pygtk
pygtk.require('2.0')
import gobject
import gtk
from util import dbg, err
from translation import _
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from version import APP_NAME
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from container import Container
from notebook import Notebook
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from newterminator import Terminator
from terminal import Terminal
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from paned import HPaned, VPaned
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try:
import deskbar.core.keybinder as bindkey
except ImportError:
err('Unable to find python bindings for deskbar, "hide_window" is not' \
'available.')
# pylint: disable-msg=R0904
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class Window(Container, gtk.Window):
"""Class implementing a top-level Terminator window"""
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terminator = None
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title = None
isfullscreen = None
ismaximised = None
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hidebound = None
hidefunc = None
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zoom_data = None
term_zoomed = gobject.property(type=bool, default=False)
def __init__(self):
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"""Class initialiser"""
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self.terminator = Terminator()
self.terminator.register_window(self)
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Container.__init__(self)
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gtk.Window.__init__(self)
gobject.type_register(Window)
self.register_signals(Window)
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self.set_property('allow-shrink', True)
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self.apply_icon()
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self.register_callbacks()
self.apply_config()
self.title = WindowTitle(self)
self.title.update()
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def register_callbacks(self):
"""Connect the GTK+ signals we care about"""
self.connect('key-press-event', self.on_key_press)
self.connect('delete_event', self.on_delete_event)
self.connect('destroy', self.on_destroy_event)
self.connect('window-state-event', self.on_window_state_changed)
# Attempt to grab a global hotkey for hiding the window.
# If we fail, we'll never hide the window, iconifying instead.
try:
self.hidebound = bindkey.tomboy_keybinder_bind(
self.config['keybindings']['hide_window'],
self.on_hide_window)
except NameError:
pass
if not self.hidebound:
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dbg('Unable to bind hide_window key, another instance has it.')
self.hidefunc = self.iconify
else:
self.hidefunc = self.hide
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def apply_config(self):
"""Apply various configuration options"""
self.set_fullscreen(self.config['fullscreen'])
self.set_maximised(self.config['maximise'])
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self.set_borderless(self.config['borderless'])
self.set_real_transparency()
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if self.hidebound:
self.set_hidden(self.config['hidden'])
else:
self.set_iconified(self.config['hidden'])
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def apply_icon(self):
"""Set the window icon"""
icon_theme = gtk.IconTheme()
try:
icon = icon_theme.load_icon(APP_NAME, 48, 0)
except NameError:
dbg('Unable to load 48px Terminator icon')
icon = self.render_icon(gtk.STOCK_DIALOG_INFO, gtk.ICON_SIZE_BUTTON)
self.set_icon(icon)
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def on_key_press(self, window, event):
"""Handle a keyboard event"""
# FIXME: We probably want to cancel window urgency here
mapping = self.terminator.keybindings.lookup(event)
if mapping:
dbg('Window::on_key_press: looked up %r' % mapping)
if mapping == 'full_screen':
self.set_fullscreen(not self.isfullscreen)
elif mapping == 'close_window':
if not self.on_delete_event(window,
gtk.gdk.Event(gtk.gdk.DELETE)):
self.on_destroy_event(window,
gtk.gdk.Event(gtk.gdk.DESTROY))
elif mapping == 'new_tab':
if not isinstance(self.get_child(), Notebook):
notebook = Notebook(self)
self.get_child().newtab()
else:
return(False)
return(True)
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def on_delete_event(self, window, event, data=None):
"""Handle a window close request"""
if isinstance(self.get_child(), Terminal):
dbg('Window::on_delete_event: Only one child, closing is fine')
return(False)
return(self.confirm_close(window, _('window')))
def confirm_close(self, window, type):
"""Display a confirmation dialog when the user is closing multiple
terminals in one window"""
dialog = self.construct_confirm_close(window, type)
result = dialog.run()
dialog.destroy()
return(not (result == gtk.RESPONSE_ACCEPT))
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def on_destroy_event(self, widget, data=None):
"""Handle window descruction"""
self.terminator.deregister_window(self)
self.destroy()
del(self)
def on_hide_window(self, data):
"""Handle a request to hide/show the window"""
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pass
# pylint: disable-msg=W0613
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def on_window_state_changed(self, window, event):
"""Handle the state of the window changing"""
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self.isfullscreen = bool(event.new_window_state &
gtk.gdk.WINDOW_STATE_FULLSCREEN)
self.ismaximised = bool(event.new_window_state &
gtk.gdk.WINDOW_STATE_MAXIMIZED)
dbg('Window::on_window_state_changed: fullscreen=%s, maximised=%s' %
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(self.isfullscreen, self.ismaximised))
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return(False)
def set_maximised(self, value):
"""Set the maximised state of the window from the supplied value"""
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if value == True:
self.maximize()
else:
self.unmaximize()
def set_fullscreen(self, value):
"""Set the fullscreen state of the window from the supplied value"""
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if value == True:
self.fullscreen()
else:
self.unfullscreen()
def set_borderless(self, value):
"""Set the state of the window border from the supplied value"""
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self.set_decorated (not value)
def set_hidden(self, value):
"""Set the visibility of the window from the supplied value"""
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pass
def set_iconified(self, value):
"""Set the minimised state of the window from the value"""
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pass
def set_real_transparency(self, value=True):
"""Enable RGBA if supported on the current screen"""
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screen = self.get_screen()
if value:
colormap = screen.get_rgba_colormap()
else:
colormap = screen.get_rgb_colormap()
if colormap:
self.set_colormap(colormap)
def add(self, widget):
"""Add a widget to the window by way of gtk.Window.add()"""
gtk.Window.add(self, widget)
if isinstance(widget, Terminal):
signals = {'close-term': self.closeterm,
'title-change': self.title.set_title,
'split-horiz': self.split_horiz,
'split-vert': self.split_vert,
'unzoom': self.unzoom}
for signal in signals:
self.connect_child(widget, signal, signals[signal])
widget.grab_focus()
def remove(self, widget):
"""Remove our child widget by way of gtk.Window.remove()"""
gtk.Window.remove(self, widget)
self.disconnect_child(widget)
return(True)
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def split_axis(self, widget, vertical=True, sibling=None):
"""Split the window"""
self.remove(widget)
# FIXME: we should be creating proper containers, not these gtk widgets
if vertical:
container = VPaned()
else:
container = HPaned()
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if not sibling:
sibling = Terminal()
self.terminator.register_terminal(sibling)
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self.add(container)
container.show_all()
for term in [widget, sibling]:
container.add(term)
container.show_all()
sibling.spawn_child()
def zoom(self, widget, font_scale=True):
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"""Zoom a terminal widget"""
children = self.get_children()
if widget in children:
# This widget is a direct child of ours and we're a Window
# so zooming is a no-op
return
self.zoom_data = widget.get_zoom_data()
self.zoom_data['widget'] = widget
self.zoom_data['old_child'] = children[0]
self.zoom_data['font_scale'] = font_scale
self.remove(self.zoom_data['old_child'])
self.zoom_data['old_parent'].remove(widget)
self.add(widget)
self.set_property('term_zoomed', True)
if font_scale:
widget.zoomcnxid = widget.connect('size-allocate',
widget.zoom_scale, self.zoom_data)
widget.grab_focus()
def unzoom(self, widget):
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"""Restore normal terminal layout"""
if not self.get_property('term_zoomed'):
# We're not zoomed anyway
dbg('Window::unzoom: not zoomed, no-op')
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return
widget = self.zoom_data['widget']
if self.zoom_data['font_scale']:
widget.vte.set_font(self.zoom_data['old_font'])
self.remove(widget)
self.add(self.zoom_data['old_child'])
self.zoom_data['old_parent'].add(widget)
widget.grab_focus()
self.zoom_data = None
self.set_property('term_zoomed', False)
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class WindowTitle(object):
"""Class to handle the setting of the window title"""
window = None
text = None
forced = None
def __init__(self, window):
"""Class initialiser"""
self.window = window
self.forced = False
def set_title(self, widget, text):
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"""Set the title"""
if not self.forced:
self.text = text
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self.update()
def force_title(self, newtext):
"""Force a specific title"""
if newtext:
self.set_title(newtext)
self.forced = True
else:
self.forced = False
def update(self):
"""Update the title automatically"""
title = None
# FIXME: What the hell is this for?!
if self.forced:
title = self.text
else:
title = "%s" % self.text
self.window.set_title(title)
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# vim: set expandtab ts=4 sw=4: