#!/usr/bin/python # Terminator by Chris Jones # GPL v2 only """window.py - class for the main Terminator window""" import copy import time import pygtk pygtk.require('2.0') import gobject import gtk from util import dbg, err import util from translation import _ from version import APP_NAME from container import Container from factory import Factory from terminator import Terminator try: import keybinder except ImportError: err('Warning: python-keybinder is not installed. This means the \ hide_window shortcut will be unavailable') # pylint: disable-msg=R0904 class Window(Container, gtk.Window): """Class implementing a top-level Terminator window""" terminator = None title = None isfullscreen = None ismaximised = None hidebound = None hidefunc = None losefocus_time = 0 position = None ignore_startup_show = None zoom_data = None term_zoomed = False __gproperties__ = { 'term_zoomed': (gobject.TYPE_BOOLEAN, 'terminal zoomed', 'whether the terminal is zoomed', False, gobject.PARAM_READWRITE) } def __init__(self): """Class initialiser""" self.terminator = Terminator() self.terminator.register_window(self) Container.__init__(self) gtk.Window.__init__(self) gobject.type_register(Window) self.register_signals(Window) self.set_property('allow-shrink', True) self.apply_icon() self.register_callbacks() self.apply_config() self.title = WindowTitle(self) self.title.update() options = self.config.options_get() if options: if options.forcedtitle is not None: self.title.force_title(options.forcedtitle) if options.role is not None: self.set_role(options.role) if options.classname is not None: self.set_wmclass(options.classname, self.wmclass_class) if options.geometry is not None: if not self.parse_geometry(options.geometry): err('Window::__init__: Unable to parse geometry: %s' % options.geometry) self.pending_set_rough_geometry_hint = False def do_get_property(self, prop): """Handle gobject getting a property""" if prop.name in ['term_zoomed', 'term-zoomed']: return(self.term_zoomed) else: raise AttributeError('unknown property %s' % prop.name) def do_set_property(self, prop, value): """Handle gobject setting a property""" if prop.name in ['term_zoomed', 'term-zoomed']: self.term_zoomed = value else: raise AttributeError('unknown property %s' % prop.name) def register_callbacks(self): """Connect the GTK+ signals we care about""" self.connect('key-press-event', self.on_key_press) self.connect('button-press-event', self.on_button_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) self.connect('focus-out-event', self.on_focus_out) self.connect('focus-in-event', self.on_focus_in) # Attempt to grab a global hotkey for hiding the window. # If we fail, we'll never hide the window, iconifying instead. try: self.hidebound = keybinder.bind( self.config['keybindings']['hide_window'], self.on_hide_window) except (KeyError, NameError): pass if not self.hidebound: err('Unable to bind hide_window key, another instance/window has it.') self.hidefunc = self.iconify else: self.hidefunc = self.hide def apply_config(self): """Apply various configuration options""" options = self.config.options_get() maximise = self.config['window_state'] == 'maximise' fullscreen = self.config['window_state'] == 'fullscreen' hidden = self.config['window_state'] == 'hidden' borderless = self.config['borderless'] skiptaskbar = self.config['hide_from_taskbar'] alwaysontop = self.config['always_on_top'] sticky = self.config['sticky'] if options: if options.maximise: maximise = True if options.fullscreen: fullscreen = True if options.hidden: hidden = True if options.borderless: borderless = True self.set_fullscreen(fullscreen) self.set_maximised(maximise) self.set_borderless(borderless) self.set_always_on_top(alwaysontop) self.set_real_transparency() self.set_sticky(sticky) if self.hidebound: self.set_hidden(hidden) self.set_skip_taskbar_hint(skiptaskbar) else: self.set_iconified(hidden) def apply_icon(self): """Set the window icon""" icon_theme = gtk.IconTheme() try: icon = icon_theme.load_icon(APP_NAME, 48, 0) except (NameError, gobject.GError): dbg('Unable to load 48px Terminator icon') icon = self.render_icon(gtk.STOCK_DIALOG_INFO, gtk.ICON_SIZE_BUTTON) self.set_icon(icon) def on_key_press(self, window, event): """Handle a keyboard event""" maker = Factory() self.set_urgency_hint(False) 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': self.tab_new(self.get_focussed_terminal()) else: return(False) return(True) def on_button_press(self, window, event): """Handle a mouse button event. Mainly this is just a clean way to cancel any urgency hints that are set.""" self.set_urgency_hint(False) return(False) def on_focus_out(self, window, event): """Focus has left the window""" for terminal in self.get_visible_terminals(): terminal.on_window_focus_out() self.losefocus_time = time.time() if self.config['hide_on_lose_focus'] and self.get_property('visible'): self.position = self.get_position() self.hidefunc() def on_focus_in(self, window, event): """Focus has entered the window""" self.set_urgency_hint(False) # FIXME: Cause the terminal titlebars to update here def is_child_notebook(self): """Returns True if this Window's child is a Notebook""" maker = Factory() return(maker.isinstance(self.get_child(), 'Notebook')) def tab_new(self, widget=None, debugtab=False, _param1=None, _param2=None): """Make a new tab""" cwd = None if self.get_property('term_zoomed') == True: err("You can't create a tab while a terminal is maximised/zoomed") return if widget: cwd = widget.get_cwd() maker = Factory() if not self.is_child_notebook(): dbg('Making a new Notebook') notebook = maker.make('Notebook', window=self) self.get_child().newtab(debugtab, cwd=cwd) def on_delete_event(self, window, event, data=None): """Handle a window close request""" maker = Factory() if maker.isinstance(self.get_child(), 'Terminal'): dbg('Window::on_delete_event: Only one child, closing is fine') return(False) elif maker.isinstance(self.get_child(), 'Container'): return(self.confirm_close(window, _('window'))) else: dbg('unknown child: %s' % self.get_child()) def confirm_close(self, window, type): """Display a confirmation dialog when the user is closing multiple terminals in one window""" return(not (self.construct_confirm_close(window, type) == gtk.RESPONSE_ACCEPT)) def on_destroy_event(self, widget, data=None): """Handle window destruction""" dbg('destroying self') for terminal in self.get_visible_terminals(): terminal.close() self.cnxids.remove_all() self.terminator.deregister_window(self) self.destroy() del(self) def on_hide_window(self, data=None): """Handle a request to hide/show the window""" if not self.get_property('visible'): #Don't show if window has just been hidden because of #lost focus if (time.time() - self.losefocus_time < 0.1) and \ self.config['hide_on_lose_focus']: return if self.position: self.move(self.position[0], self.position[1]) self.show() else: self.position = self.get_position() self.hidefunc() # pylint: disable-msg=W0613 def on_window_state_changed(self, window, event): """Handle the state of the window changing""" 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' \ % (self.isfullscreen, self.ismaximised)) return(False) def set_maximised(self, value): """Set the maximised state of the window from the supplied value""" if value == True: self.maximize() else: self.unmaximize() def set_fullscreen(self, value): """Set the fullscreen state of the window from the supplied value""" if value == True: self.fullscreen() else: self.unfullscreen() def set_borderless(self, value): """Set the state of the window border from the supplied value""" self.set_decorated (not value) def set_hidden(self, value): """Set the visibility of the window from the supplied value""" if value == True: self.ignore_startup_show = True else: self.ignore_startup_show = False def set_iconified(self, value): """Set the minimised state of the window from the supplied value""" if value == True: self.iconify() def set_always_on_top(self, value): """Set the always on top window hint from the supplied value""" self.set_keep_above(value) def set_sticky(self, value): """Set the sticky hint from the supplied value""" if value == True: self.stick() def set_real_transparency(self, value=True): """Enable RGBA if supported on the current screen""" if self.is_composited() == False: value = False screen = self.get_screen() if value: dbg('setting rgba colormap') colormap = screen.get_rgba_colormap() else: dbg('setting rgb colormap') colormap = screen.get_rgb_colormap() if colormap: self.set_colormap(colormap) def show(self, startup=False): """Undo the startup show request if started in hidden mode""" gtk.Window.show(self) #Present is necessary to grab focus when window is hidden from taskbar self.present() #Window must be shown, then hidden for the hotkeys to be registered if (self.ignore_startup_show and startup == True): self.hide() def add(self, widget, metadata=None): """Add a widget to the window by way of gtk.Window.add()""" maker = Factory() gtk.Window.add(self, widget) if maker.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, 'tab-change': self.tab_change, 'group-all': self.group_all, 'ungroup-all': self.ungroup_all, 'group-tab': self.group_tab, 'ungroup-tab': self.ungroup_tab, 'move-tab': self.move_tab, 'tab-new': [self.tab_new, widget], 'navigate': self.navigate_terminal} for signal in signals: args = [] handler = signals[signal] if isinstance(handler, list): args = handler[1:] handler = handler[0] self.connect_child(widget, signal, handler, *args) 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) def get_children(self): """Return a single list of our child""" children = [] children.append(self.get_child()) return(children) def hoover(self): """Ensure we still have a reason to exist""" if not self.get_child(): self.emit('destroy') def closeterm(self, widget): """Handle a terminal closing""" Container.closeterm(self, widget) self.hoover() def split_axis(self, widget, vertical=True, cwd=None, sibling=None, widgetfirst=True): """Split the window""" if self.get_property('term_zoomed') == True: err("You can't split while a terminal is maximised/zoomed") return order = None maker = Factory() self.remove(widget) if vertical: container = maker.make('VPaned') else: container = maker.make('HPaned') if not sibling: sibling = maker.make('Terminal') sibling.set_cwd(cwd) sibling.spawn_child() self.add(container) container.show_all() order = [widget, sibling] if widgetfirst is False: order.reverse() for term in order: container.add(term) container.show_all() def zoom(self, widget, font_scale=True): """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.cnxids.new(widget, 'size-allocate', widget.zoom_scale, self.zoom_data) widget.grab_focus() def unzoom(self, widget): """Restore normal terminal layout""" if not self.get_property('term_zoomed'): # We're not zoomed anyway dbg('Window::unzoom: not zoomed, no-op') 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) def rotate(self, widget, clockwise): """Rotate children in this window""" maker = Factory() # collect all paned children in breadth-first order paned = [] for child in self.get_children(): if maker.isinstance(child, 'Paned'): paned.append(child) for p in paned: for child in p.get_children(): if child not in paned and maker.isinstance(child, 'Paned'): paned.append(child) # then propagate the rotation for p in paned: p.rotate(widget, clockwise) self.show_all() widget.grab_focus() def get_visible_terminals(self): """Walk down the widget tree to find all of the visible terminals. Mostly using Container::get_visible_terminals()""" terminals = {} if not hasattr(self, 'cached_maker'): self.cached_maker = Factory() maker = self.cached_maker child = self.get_child() if not child: return([]) # If our child is a Notebook, reset to work from its visible child if maker.isinstance(child, 'Notebook'): pagenum = child.get_current_page() child = child.get_nth_page(pagenum) if maker.isinstance(child, 'Container'): terminals.update(child.get_visible_terminals()) elif maker.isinstance(child, 'Terminal'): terminals[child] = child.get_allocation() else: err('Unknown child type %s' % type(child)) return(terminals) def get_focussed_terminal(self): """Find which terminal we want to have focus""" terminals = self.get_visible_terminals() for terminal in terminals: if terminal.vte.is_focus(): return(terminal) return(None) def deferred_set_rough_geometry_hints(self): # no parameters are used in set_rough_geometry_hints, so we can # use the set_rough_geometry_hints if self.pending_set_rough_geometry_hint == True: return self.pending_set_rough_geometry_hint = True gobject.idle_add(self.do_deferred_set_rough_geometry_hints) def do_deferred_set_rough_geometry_hints(self): self.pending_set_rough_geometry_hint = False self.set_rough_geometry_hints() def set_rough_geometry_hints(self): """Walk all the terminals along the top and left edges to fake up how many columns/rows we sort of have""" if not hasattr(self, 'cached_maker'): self.cached_maker = Factory() maker = self.cached_maker if maker.isinstance(self.get_child(), 'Notebook'): dbg("We don't currently support geometry hinting with tabs") return terminals = self.get_visible_terminals() column_sum = 0 row_sum = 0 for terminal in terminals: rect = terminal.get_allocation() if rect.x == 0: cols, rows = terminal.get_size() row_sum = row_sum + rows if rect.y == 0: cols, rows = terminal.get_size() column_sum = column_sum + cols if column_sum == 0 or row_sum == 0: dbg('column_sum=%s,row_sum=%s. No terminals found in >=1 axis' % (column_sum, row_sum)) return # FIXME: I don't think we should just use whatever font size info is on # the last terminal we inspected. Looking up the default profile font # size and calculating its character sizes would be rather expensive # though. font_width, font_height = terminal.get_font_size() total_font_width = font_width * column_sum total_font_height = font_height * row_sum win_width, win_height = self.get_size() extra_width = win_width - total_font_width extra_height = win_height - total_font_height dbg('setting geometry hints: (ewidth:%s)(eheight:%s),\ (fwidth:%s)(fheight:%s)' % (extra_width, extra_height, font_width, font_height)) self.set_geometry_hints(self, -1, -1, -1, -1, extra_width, extra_height, font_width, font_height, -1.0, -1.0) def tab_change(self, widget, num=None): """Change to a specific tab""" if num is None: err('must specify a tab to change to') maker = Factory() child = self.get_child() if not maker.isinstance(child, 'Notebook'): dbg('child is not a notebook, nothing to change to') return if num == -1: # Go to the next tab cur = child.get_current_page() pages = child.get_n_pages() if cur == pages - 1: num = 0 else: num = cur + 1 elif num == -2: # Go to the previous tab cur = child.get_current_page() if cur > 0: num = cur - 1 else: num = child.get_n_pages() - 1 child.set_current_page(num) # Work around strange bug in gtk-2.12.11 and pygtk-2.12.1 # Without it, the selection changes, but the displayed page doesn't # change child.set_current_page(child.get_current_page()) # FIXME: All of these (un)group_(all|tab) methods need refactoring work def group_all(self, widget): """Group all terminals""" # FIXME: Why isn't this being done by Terminator() ? group = _('All') self.terminator.create_group(group) for terminal in self.terminator.terminals: terminal.set_group(None, group) def ungroup_all(self, widget): """Ungroup all terminals""" for terminal in self.terminator.terminals: terminal.set_group(None, None) def group_tab(self, widget): """Group all terminals in the current tab""" maker = Factory() notebook = self.get_child() if not maker.isinstance(notebook, 'Notebook'): dbg('not in a notebook, refusing to group tab') return pagenum = notebook.get_current_page() while True: group = _('Tab %d') % pagenum if group not in self.terminator.groups: break pagenum += 1 for terminal in self.get_visible_terminals(): terminal.set_group(None, group) def ungroup_tab(self, widget): """Ungroup all terminals in the current tab""" maker = Factory() notebook = self.get_child() if not maker.isinstance(notebook, 'Notebook'): dbg('note in a notebook, refusing to ungroup tab') return for terminal in self.get_visible_terminals(): terminal.set_group(None, None) def move_tab(self, widget, direction): """Handle a keyboard shortcut for moving tab positions""" maker = Factory() notebook = self.get_child() if not maker.isinstance(notebook, 'Notebook'): dbg('not in a notebook, refusing to move tab %s' % direction) return dbg('moving tab %s' % direction) numpages = notebook.get_n_pages() page = notebook.get_current_page() child = notebook.get_nth_page(page) if direction == 'left': if page == 0: page = numpages else: page = page - 1 elif direction == 'right': if page == numpages - 1: page = 0 else: page = page + 1 else: err('unknown direction: %s' % direction) return notebook.reorder_child(child, page) def navigate_terminal(self, terminal, direction): """Navigate around terminals""" _containers, terminals = util.enumerate_descendants(self) visibles = self.get_visible_terminals() current = terminals.index(terminal) length = len(terminals) next = None if length <= 1 or len(visibles) <= 1: return if direction in ['next', 'prev']: tmpterms = copy.copy(terminals) tmpterms = tmpterms[current+1:] tmpterms.extend(terminals[0:current]) if direction == 'next': tmpterms.reverse() next = 0 while len(tmpterms) > 0: tmpitem = tmpterms.pop() if tmpitem in visibles: next = terminals.index(tmpitem) break elif direction in ['left', 'right', 'up', 'down']: layout = self.get_visible_terminals() allocation = terminal.get_allocation() possibles = [] # Get the co-ordinate of the appropriate edge for this direction edge = util.get_edge(allocation, direction) # Find all visible terminals which are, in their entirity, in the # direction we want to move for term in layout: rect = layout[term] if util.get_nav_possible(edge, rect, direction): possibles.append(term) if len(possibles) == 0: return # Find out how far away each of the possible terminals is, then # find the smallest distance. The winning terminals are all of # those who are that distance away. offsets = {} for term in possibles: rect = layout[term] offsets[term] = util.get_nav_offset(edge, rect, direction) keys = offsets.values() keys.sort() winners = [k for k, v in offsets.iteritems() if v == keys[0]] next = terminals.index(winners[0]) if len(winners) > 1: # Break an n-way tie using the cursor position term_alloc = terminal.allocation cursor_x = term_alloc.x + term_alloc.width / 2 cursor_y = term_alloc.y + term_alloc.height / 2 for term in winners: rect = layout[term] if util.get_nav_tiebreak(direction, cursor_x, cursor_y, rect): next = terminals.index(term) break; else: err('Unknown navigation direction: %s' % direction) if next is not None: terminals[next].grab_focus() def create_layout(self, layout): """Apply any config items from our layout""" if not layout.has_key('children'): err('layout describes no children: %s' % layout) return children = layout['children'] if len(children) != 1: # We're a Window, we can only have one child err('incorrect number of children for Window: %s' % layout) return child = children[children.keys()[0]] terminal = self.get_children()[0] dbg('Making a child of type: %s' % child['type']) if child['type'] == 'VPaned': self.split_axis(terminal, True) elif child['type'] == 'HPaned': self.split_axis(terminal, False) elif child['type'] == 'Notebook': self.tab_new() i = 2 while i < len(child['children']): self.tab_new() i = i + 1 elif child['type'] == 'Terminal': pass else: err('unknown child type: %s' % child['type']) return self.get_children()[0].create_layout(child) 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): """Set the title""" if not self.forced: self.text = text self.update() def force_title(self, newtext): """Force a specific title""" if newtext: self.set_title(None, 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) # vim: set expandtab ts=4 sw=4: