terminator/terminatorlib/terminator.py

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#!/usr/bin/python
# Terminator - multiple gnome terminals in one window
# Copyright (C) 2006-2008 cmsj@tenshu.net
#
# This program 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, version 2 only.
#
# This program 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
"""Terminator by Chris Jones <cmsj@tenshu.net>"""
import gobject, gtk, pango
#import version details
from terminatorlib.version import *
# import our configuration loader
from terminatorlib import config
from terminatorlib.config import dbg, err
#import TerminatorTerm
from terminatorlib.terminatorterm import TerminatorTerm
class Terminator:
def __init__ (self, profile = None, command = None, fullscreen = False, maximise = False, borderless = False):
self.profile = profile
self.command = command
self._zoomed = False
self._maximised = False
self._fullscreen = False
self._f11_modifier = False
self.term_list = []
stores = []
stores.append (config.TerminatorConfValuestoreRC ())
try:
import gconf
if self.profile:
self.profile = gconf.escape_key (self.profile, -1)
store = config.TerminatorConfValuestoreGConf (self.profile)
store.set_reconfigure_callback (self.reconfigure_vtes)
dbg ('Terminator__init__: comparing %s and %s'%(self.profile, store.profile.split ('/').pop ()))
if self.profile == store.profile.split ('/').pop ():
# If we have been given a profile, and we loaded it, we should be higher priority than RC
dbg ('Terminator__init__: placing GConf before RC')
stores.insert (0, store)
else:
stores.append (store)
except:
pass
self.conf = config.TerminatorConfig (stores)
self.icon_theme = gtk.IconTheme ()
if self.conf.f11_modifier:
self._f11_modifier = True
if self.conf.handle_size in range (0,6):
gtk.rc_parse_string("""
style "terminator-paned-style" {
GtkPaned::handle_size = %s
}
class "GtkPaned" style "terminator-paned-style"
""" % self.conf.handle_size)
self.window = gtk.Window ()
self.window.set_title (APP_NAME.capitalize())
try:
self.window.set_icon (self.icon_theme.load_icon (APP_NAME, 48, 0))
except:
self.icon = self.window.render_icon (gtk.STOCK_DIALOG_INFO, gtk.ICON_SIZE_BUTTON)
self.window.set_icon (self.icon)
self.window.connect ("key-press-event", self.on_key_press)
self.window.connect ("delete_event", self.on_delete_event)
self.window.connect ("destroy", self.on_destroy_event)
self.window.connect ("window-state-event", self.on_window_state_changed)
self.window.set_property ('allow-shrink', True)
if fullscreen or self.conf.fullscreen:
self.fullscreen_toggle ()
if maximise or self.conf.maximise:
self.maximize ()
if borderless or self.conf.borderless:
self.window.set_decorated (False)
# Set RGBA colormap if possible so VTE can use real alpha
# channels for transparency.
screen = self.window.get_screen()
colormap = screen.get_rgba_colormap()
if colormap:
self.window.set_colormap(colormap)
# Start out with just one terminal
# FIXME: This should be really be decided from some kind of profile
term = (TerminatorTerm (self, self.profile, self.command))
self.term_list = [term]
self.window.add (term)
term._titlebox.hide()
self.window.show ()
term.spawn_child ()
def maximize (self):
""" Maximize the Terminator window."""
self.window.maximize ()
def fullscreen_toggle (self):
""" Toggle the fullscreen state of the window. If it is in
fullscreen state, it will be unfullscreened. If it is not, it
will be set to fullscreen state.
"""
if self._fullscreen:
self.window.unfullscreen ()
else:
self.window.fullscreen ()
def on_window_state_changed (self, window, event):
state = event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN
self._fullscreen = bool (state)
return (False)
def on_delete_event (self, window, event, data=None):
if len (self.term_list) == 1:
return False
# show dialog
dialog = gtk.Dialog (_("Close?"), window, gtk.DIALOG_MODAL,
(gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT, gtk.STOCK_CLOSE, gtk.RESPONSE_ACCEPT))
dialog.set_has_separator (False)
dialog.set_resizable (False)
primairy = gtk.Label (_('<big><b>Close all terminals?</b></big>'))
primairy.set_use_markup (True)
primairy.set_alignment (0, 0.5)
secundairy = gtk.Label (_("This window has %s terminals open. Closing the window will also close all terminals.") % len(self.term_list))
secundairy.set_line_wrap(True)
primairy.set_alignment (0, 0.5)
labels = gtk.VBox ()
labels.pack_start (primairy, False, False, 6)
labels.pack_start (secundairy, False, False, 6)
image = gtk.image_new_from_stock(gtk.STOCK_DIALOG_WARNING, gtk.ICON_SIZE_DIALOG)
image.set_alignment (0.5, 0)
box = gtk.HBox()
box.pack_start (image, False, False, 6)
box.pack_start (labels, False, False, 6)
dialog.vbox.pack_start (box, False, False, 12)
dialog.show_all ()
result = dialog.run ()
dialog.destroy ()
return not (result == gtk.RESPONSE_ACCEPT)
def on_destroy_event (self, widget, data=None):
gtk.main_quit ()
# keybindings for the whole terminal window (affects the main
# windows containing the splited terminals)
def on_key_press (self, window, event):
""" Callback for the window to determine what to do with special
keys. Currently handled key-combo's:
* F11: toggle fullscreen state of the window.
* CTRL - SHIFT - Q: close all terminals
"""
keyname = gtk.gdk.keyval_name (event.keyval)
mask = gtk.gdk.CONTROL_MASK | gtk.gdk.SHIFT_MASK
if (keyname == 'F11' and (self._f11_modifier == False or event.state & mask)):
self.fullscreen_toggle ()
return (True)
if (event.state & mask) == mask:
if keyname == 'Q':
if not self.on_delete_event (window, gtk.gdk.Event (gtk.gdk.DELETE)):
self.on_destroy_event (window, gtk.gdk.Event (gtk.gdk.DESTROY))
def set_window_title(self, title):
"""
Modifies Terminator window title
"""
self.window.set_title(title)
def add(self, widget, terminal, pos = "bottom"):
"""
Add a term to another at position pos
"""
vertical = pos in ("top", "bottom")
pane = (vertical) and gtk.VPaned () or gtk.HPaned ()
# get the parent of the provided terminal
parent = widget.get_parent ()
dbg ('SEGBUG: add() Got parent')
if isinstance (parent, gtk.Window):
dbg ('SEGBUG: parent is a gtk.Window')
# We have just one term
parent.remove(widget)
dbg ('SEGBUG: removed widget from window')
if pos in ("top", "left"):
dbg ('SEGBUG: pos is in top/left')
pane.pack1 (terminal, True, True)
dbg ('SEGBUG: packed terminal')
pane.pack2 (widget, True, True)
dbg ('SEGBUG: packed widget')
else:
dbg ('SEGBUG: pos is not in top/left')
pane.pack1 (widget, True, True)
dbg ('SEGBUG: packed widget')
pane.pack2 (terminal, True, True)
dbg ('SEGBUG: packed terminal')
parent.add (pane)
dbg ('SEGBUG: added pane to parent')
position = (vertical) and parent.allocation.height \
or parent.allocation.width
if (isinstance (parent, gtk.Notebook) or isinstance (parent, gtk.Window)) and widget.conf.titlebars:
#not the only term in the notebook/window anymore, need to reshow the title
dbg ('SEGBUG: Showing _titlebox')
widget._titlebox.show()
if isinstance (parent, gtk.Notebook):
dbg ('SEGBUG: Parent is a notebook')
page = -1
for i in range(0, parent.get_n_pages()):
if parent.get_nth_page(i) == widget:
page = i
break
widget.reparent (pane)
if pos in ("top", "left"):
pane.remove(widget)
pane.pack1 (terminal, True, True)
pane.pack2 (widget, True, True)
else:
pane.pack1 (widget, True, True)
pane.pack2 (terminal, True, True)
#parent.remove_page(page)
pane.show()
parent.insert_page(pane, None, page)
parent.set_tab_label_text(pane, widget._vte.get_window_title())
parent.set_tab_label_packing(pane, True, True, gtk.PACK_START)
parent.set_tab_reorderable(pane, True)
parent.set_current_page(page)
position = (vertical) and parent.allocation.height \
or parent.allocation.width
if isinstance (parent, gtk.Paned):
dbg ('SEGBUG: parent is a Paned')
# We are inside a split term
position = (vertical) and widget.allocation.height \
or widget.allocation.width
dbg ('SEGBUG: Preparing to reparent sibling')
if (widget == parent.get_child1 ()):
widget.reparent (pane)
parent.pack1 (pane, True, True)
else:
widget.reparent (pane)
parent.pack2 (pane, True, True)
if pos in ("top", "left"):
dbg ('SEGBUG: pos is in top/left. Removing and re-ordering')
pane.remove(widget)
pane.pack1 (terminal, True, True)
pane.pack2 (widget, True, True)
else:
dbg ('SEGBUG: pos is not in top/left. Packing')
pane.pack1 (widget, True, True)
pane.pack2 (terminal, True, True)
dbg ('SEGBUG: packing widget and terminal')
pane.pack1 (widget, True, True)
pane.pack2 (terminal, True, True)
dbg ('SEGBUG: packed widget and terminal')
# show all, set position of the divider
dbg ('SEGBUG: Showing pane')
pane.show ()
dbg ('SEGBUG: Showed pane')
pane.set_position (position / 2)
dbg ('SEGBUG: Set position')
terminal.show ()
# insert the term reference into the list
index = self.term_list.index (widget)
if pos in ('bottom', 'right'):
index = index + 1
self.term_list.insert (index, terminal)
# make the new terminal grab the focus
terminal._vte.grab_focus ()
return (terminal)
def on_page_reordered(self, notebook, child, page_num):
#page has been reordered, we need to get the
# first term and last term
dbg ("Reordered: %d"%page_num)
nbpages = notebook.get_n_pages()
if nbpages == 1:
dbg("[ERROR] only one page in on_page_reordered")
first = self._notebook_first_term(notebook.get_nth_page(page_num))
last = self._notebook_last_term(notebook.get_nth_page(page_num))
firstidx = self.term_list.index(first)
lastidx = self.term_list.index(last)
termslice = self.term_list[firstidx:lastidx+1]
#remove them from the list
for term in termslice:
self.term_list.remove(term)
if page_num == 0:
#first page, we insert before the first term of next page
nexttab = notebook.get_nth_page(1)
sibling = self._notebook_first_term(nexttab)
siblingindex = self.term_list.index(sibling)
for term in termslice:
self.term_list.insert(siblingindex, term)
siblingindex += 1
else:
#other pages, we insert after the last term of previous page
previoustab = notebook.get_nth_page(page_num - 1)
sibling = self._notebook_last_term(previoustab)
siblingindex = self.term_list.index(sibling)
for term in termslice:
siblingindex += 1
self.term_list.insert(siblingindex, term)
#for page reorder, we need to get the first term of a notebook
def notebook_first_term(self, notebook):
return self._notebook_first_term(notebook.get_nth_page(0))
def _notebook_first_term(self, child):
if isinstance(child, TerminatorTerm):
return child
elif isinstance(child, gtk.Paned):
return self._notebook_first_term(child.get_child1())
elif isinstance(child, gtk.Notebook):
return self._notebook_first_term(child.get_nth_page(0))
dbg("[ERROR] unsupported class %s in _notebook_first_term" % child.__class__.__name__)
return None
#for page reorder, we need to get the last term of a notebook
def notebook_last_term(self, notebook):
return self._notebook_last_term(notebook.get_nth_page(notebook.get_n_pages()-1))
def _notebook_last_term(self, child):
if isinstance(child, TerminatorTerm):
return child
elif isinstance(child, gtk.Paned):
return self._notebook_last_term(child.get_child2())
elif isinstance(child, gtk.Notebook):
return self._notebook_last_term(child.get_nth_page(child.get_n_pages()-1))
dbg("[ERROR] unsupported class %s in _notebook_last_term" % child.__class__.__name__)
return None
def newtab(self,widget, toplevel = False):
if self._zoomed:
# We don't want to add a new tab while we are zoomed in on a terminal
dbg ("newtab function called, but Terminator was in zoomed terminal mode.")
return
terminal = TerminatorTerm (self, self.profile, None, widget.get_cwd())
#only one term, we don't show the title
terminal._titlebox.hide()
if self.conf.extreme_tabs and not toplevel:
parent = widget.get_parent ()
child = widget
else:
child = self.window.get_children()[0]
parent = child.get_parent()
if isinstance(parent, gtk.Paned) or (isinstance(parent, gtk.Window)
and
((self.conf.extreme_tabs and not toplevel) or not isinstance(child, gtk.Notebook))):
#no notebook yet.
notebook = gtk.Notebook()
notebook.set_tab_pos(gtk.POS_TOP)
notebook.connect('page-reordered',self.on_page_reordered)
notebook.set_property('homogeneous', True)
notebook.set_tab_reorderable(widget, True)
if isinstance(parent, gtk.Paned):
if parent.get_child1() == child:
child.reparent(notebook)
parent.pack1(notebook)
else:
child.reparent(notebook)
parent.pack2(notebook)
elif isinstance(parent, gtk.Window):
child.reparent(notebook)
parent.add(notebook)
notebook.set_tab_reorderable(child,True)
notebooklabel = ""
if isinstance(child, TerminatorTerm):
child._titlebox.hide()
if widget._vte.get_window_title() is not None:
notebooklabel = widget._vte.get_window_title()
notebook.set_tab_label_text(child, notebooklabel)
notebook. set_tab_label_packing(child, True, True, gtk.PACK_START)
notebook.show()
elif isinstance(parent, gtk.Notebook):
notebook = parent
elif isinstance(parent, gtk.Window) and isinstance(child, gtk.Notebook):
notebook = child
else:
return (False)
## NOTE
## Here we need to append to the notebook before we can
## spawn the terminal (WINDOW_ID needs to be set)
notebook.append_page(terminal,None)
terminal.show ()
terminal.spawn_child ()
## Some gtk/vte weirdness
## If we don't use this silly test,
## terminal._vte.get_window_title() might return
## bogus values
notebooklabel = ""
if terminal._vte.get_window_title() is not None:
notebooklabel = terminal._vte.get_window_title()
notebook.set_tab_label_text(terminal, notebooklabel)
notebook.set_tab_label_packing(terminal, True, True, gtk.PACK_START)
notebook.set_tab_reorderable(terminal,True)
## Now, we set focus on the new term
notebook.set_current_page(-1)
terminal._vte.grab_focus ()
#adding a new tab, thus we need to get the
# last term of the previous tab and add
# the new term just after
sibling = self._notebook_last_term(notebook.get_nth_page(notebook.page_num(terminal)-1))
index = self.term_list.index(sibling)
self.term_list.insert (index + 1, terminal)
return (True)
return terminal
def splitaxis (self, widget, vertical=True):
""" Split the provided widget on the horizontal or vertical axis. """
if self._zoomed:
# We don't want to split the terminal while we are in zoomed mode
dbg ("splitaxis function called, but Terminator was in zoomed mode.")
return
# create a new terminal and parent pane.
dbg ('SEGBUG: Creating TerminatorTerm')
terminal = TerminatorTerm (self, self.profile, None, widget.get_cwd())
dbg ('SEGBUG: Created TerminatorTerm')
pos = vertical and "right" or "bottom"
dbg ('SEGBUG: Position is: %s'%pos)
self.add(widget, terminal, pos)
dbg ('SEGBUG: added TerminatorTerm to container')
terminal.show ()
dbg ('SEGBUG: showed TerminatorTerm')
terminal.spawn_child ()
dbg ('SEGBUG: spawned child')
return terminal
def remove(self, widget):
"""Remove a TerminatorTerm from the Terminator view and terms list
Returns True on success, False on failure"""
parent = widget.get_parent ()
sibling = None
focus_on_close = 'prev'
if isinstance (parent, gtk.Window):
# We are the only term
if not self.on_delete_event (parent, gtk.gdk.Event (gtk.gdk.DELETE)):
self.on_destroy_event (parent, gtk.gdk.Event (gtk.gdk.DESTROY))
return
if isinstance (parent, gtk.Paned):
index = self.term_list.index (widget)
grandparent = parent.get_parent ()
# Discover sibling while all objects exist
if widget == parent.get_child1 ():
sibling = parent.get_child2 ()
focus_on_close = 'next'
if widget == parent.get_child2 ():
sibling = parent.get_child1 ()
if not sibling:
# something is wrong, give up
err ("Error: %s is not a child of %s"%(widget, parent))
return False
parent.remove(widget)
if isinstance(grandparent, gtk.Notebook):
page = -1
for i in range(0, grandparent.get_n_pages()):
if grandparent.get_nth_page(i) == parent:
page = i
break
parent.remove(sibling)
grandparent.remove_page(page)
grandparent.insert_page(sibling, None,page)
grandparent.set_tab_label_packing(sibling, True, True, gtk.PACK_START)
grandparent.set_tab_reorderable(sibling, True)
grandparent.set_current_page(page)
else:
grandparent.remove (parent)
sibling.reparent (grandparent)
if not self._zoomed:
grandparent.resize_children()
parent.destroy ()
if isinstance(sibling, TerminatorTerm) and isinstance(sibling.get_parent(), gtk.Notebook):
sibling._titlebox.hide()
self.term_list.remove (widget)
elif isinstance (parent, gtk.Notebook):
parent.remove(widget)
nbpages = parent.get_n_pages()
index = self.term_list.index (widget)
self.term_list.remove (widget)
if nbpages == 1:
sibling = parent.get_nth_page(0)
parent.remove(sibling)
gdparent = parent.get_parent()
if isinstance(gdparent, gtk.Window):
gdparent.remove(parent)
gdparent.add(sibling)
elif isinstance(gdparent, gtk.Paned):
if gdparent.get_child1() == parent:
gdparent.remove(parent)
gdparent.pack1(sibling)
else:
gdparent.remove(parent)
gdparent.pack2(sibling)
if isinstance(sibling, TerminatorTerm) and sibling.conf.titlebars and sibling.conf.extreme_tabs:
sibling._titlebox.show()
parent.destroy()
if self.conf.focus_on_close == 'prev' or ( self.conf.focus_on_close == 'auto' and focus_on_close == 'prev'):
if index == 0: index = 1
self.term_list[index - 1]._vte.grab_focus ()
self._set_current_notebook_page_recursive(self.term_list[index - 1])
elif self.conf.focus_on_close == 'next' or ( self.conf.focus_on_close == 'auto' and focus_on_close == 'next'):
if index == len(self.term_list): index = index - 1
self.term_list[index]._vte.grab_focus ()
self._set_current_notebook_page_recursive(self.term_list[index])
if len(self.term_list) == 1:
self.term_list[0]._titlebox.hide()
return True
def closeterm (self, widget):
if self._zoomed:
# We are zoomed, pop back out to normal layout before closing
dbg ("closeterm function called while in zoomed mode. Restoring previous layout before closing.")
self.toggle_zoom(widget, not self._maximised)
if self.remove(widget):
widget.destroy ()
return True
return False
def go_next (self, term):
current = self.term_list.index (term)
next = None
if self.conf.cycle_term_tab:
notebookpage = self.get_first_notebook_page(term)
if notebookpage:
last = self._notebook_last_term(notebookpage[1])
first = self._notebook_first_term(notebookpage[1])
if term == last:
next = self.term_list.index(first)
if next is None:
if current == len (self.term_list) - 1:
next = 0
else:
next = current + 1
nextterm = self.term_list[next]
##we need to set the current page of each notebook
self._set_current_notebook_page_recursive(nextterm)
nextterm._vte.grab_focus ()
def go_prev (self, term):
current = self.term_list.index (term)
previous = None
if self.conf.cycle_term_tab:
notebookpage = self.get_first_notebook_page(term)
if notebookpage:
last = self._notebook_last_term(notebookpage[1])
first = self._notebook_first_term(notebookpage[1])
if term == first:
previous = self.term_list.index(last)
if previous is None:
if current == 0:
previous = len (self.term_list) - 1
else:
previous = current - 1
#self.window.set_title(self.term_list[previous]._vte.get_window_title())
previousterm = self.term_list[previous]
##we need to set the current page of each notebook
self._set_current_notebook_page_recursive(previousterm)
previousterm._vte.grab_focus ()
def _set_current_notebook_page_recursive(self, widget):
page = self.get_first_notebook_page(widget)
while page:
child = None
page_num = page[0].page_num(page[1])
page[0].set_current_page(page_num)
page = self.get_first_notebook_page(page[0])
def resizeterm (self, widget, keyname):
vertical = False
if keyname in ('Up', 'Down'):
vertical = True
elif keyname in ('Left', 'Right'):
vertical = False
else:
return
parent = self.get_first_parent_paned(widget,vertical)
if parent == None:
return
#We have a corresponding parent pane
#
#allocation = parent.get_allocation()
if keyname in ('Up', 'Down'):
maxi = parent.get_child1().get_allocation().height + parent.get_child2().get_allocation().height - 1
else:
maxi = parent.get_child1().get_allocation().width + parent.get_child2().get_allocation().width - 1
move = 10
if keyname in ('Up', 'Left'):
move = -10
move = max(2, parent.get_position() + move)
move = min(maxi, move)
parent.set_position(move)
def previous_tab(self, term):
notebook = self.get_first_parent_notebook(term)
notebook.prev_page()
return
def next_tab(self, term):
notebook = self.get_first_parent_notebook(term)
notebook.next_page()
return
def move_tab(self, term, direction):
dbg("moving to direction %s" % direction)
(notebook, page) = self.get_first_notebook_page(term)
page_num = notebook.page_num(page)
nbpages = notebook.get_n_pages()
#dbg ("%s %s %s %s" % (page_num, nbpages,notebook, page))
if page_num == 0 and direction == 'left':
new_page_num = nbpages
elif page_num == nbpages - 1 and direction == 'right':
new_page_num = 0
elif direction == 'left':
new_page_num = page_num - 1
elif direction == 'right':
new_page_num = page_num + 1
else:
dbg("[ERROR] unhandled combination in move_tab: direction = %s page_num = %d" % (direction, page_num))
return False
notebook.reorder_child(page, new_page_num)
return True
def get_first_parent_notebook(self, widget):
if isinstance (widget, gtk.Window):
return None
parent = widget.get_parent()
if isinstance (parent, gtk.Notebook):
return parent
return self.get_first_parent_notebook(parent)
def get_first_parent_paned (self, widget, vertical = None):
"""This method returns the first parent pane of a widget.
if vertical is True returns the first VPaned
if vertical is False return the first Hpaned
if is None return the First Paned"""
if isinstance (widget, gtk.Window):
return None
parent = widget.get_parent()
if isinstance (parent, gtk.Paned) and vertical is None:
return parent
if isinstance (parent, gtk.VPaned) and vertical:
return parent
elif isinstance (parent, gtk.HPaned) and not vertical:
return parent
return self.get_first_parent_paned(parent, vertical)
def get_first_notebook_page(self, widget):
if isinstance (widget, gtk.Window):
return None
parent = widget.get_parent()
if isinstance (parent, gtk.Notebook):
page = -1
for i in range(0, parent.get_n_pages()):
if parent.get_nth_page(i) == widget:
return (parent, widget)
return self.get_first_notebook_page(parent)
def reconfigure_vtes (self):
for term in self.term_list:
term.reconfigure_vte ()
def toggle_zoom(self, widget, fontscale = False):
if not self._zoomed:
widget._titlebars = widget._titlebox.get_property ('visible')
dbg ('toggle_zoom: not zoomed. remembered titlebar setting of %s'%widget._titlebars)
if widget._titlebars:
widget._titlebox.hide()
self.zoom_term (widget, fontscale)
else:
dbg ('toggle_zoom: zoomed. restoring titlebar setting of %s'%widget._titlebars)
self.unzoom_term (widget, True)
if widget._titlebars and \
len(self.term_list) > 1 \
and \
(isinstance(widget, TerminatorTerm) and isinstance(widget.get_parent(),gtk.Paned))\
:
widget._titlebox.show()
widget._vte.grab_focus()
def zoom_term (self, widget, fontscale = False):
"""Maximize to full window an instance of TerminatorTerm."""
self.old_font = widget._vte.get_font ()
self.old_columns = widget._vte.get_column_count ()
self.old_rows = widget._vte.get_row_count ()
self.old_parent = widget.get_parent()
if isinstance(self.old_parent, gtk.Window):
return
if isinstance(self.old_parent, gtk.Notebook):
self.old_page = self.old_parent.get_current_page()
self.window_child = self.window.get_children()[0]
self.window.remove(self.window_child)
self.old_parent.remove(widget)
self.window.add(widget)
self._zoomed = True
if fontscale:
self.cnid = widget.connect ("size-allocate", self.zoom_scale_font)
else:
self._maximised = True
widget._vte.grab_focus ()
def zoom_scale_font (self, widget, allocation):
new_columns = widget._vte.get_column_count ()
new_rows = widget._vte.get_row_count ()
new_font = widget._vte.get_font ()
dbg ('zoom_scale_font: I just went from %dx%d to %dx%d. Raa!'%(self.old_columns, self.old_rows, new_columns, new_rows))
if new_rows != self.old_rows:
titleheight = widget._titlebox.get_allocation().height
vtecharheight = widget._vte.get_char_height()
rowdiff = new_rows - self.old_rows + 2
dbg ('zoom_scale_font: titlebox height is %d, char_height is %d'%(titleheight, vtecharheight))
dbg ('zoom_scale_font: lhs: %d, rhs: %f'%((titleheight / vtecharheight), rowdiff))
care_height = (rowdiff <= vtecharheight / rowdiff)
dbg ('zoom_scale_font: caring about height difference: %s'%care_height)
else:
care_height = False
if (new_rows <= self.old_rows) or care_height or (new_columns <= self.old_columns):
dbg ('zoom_scale_font: Which means I didnt scale on one axis (col: %s, row: %s). Bailing'%((new_columns <= self.old_columns), (new_rows <= self.old_rows)))
return
old_area = self.old_columns * self.old_rows
new_area = new_columns * new_rows
area_factor = new_area / old_area
dbg ('zoom_scale_font: My area changed from %d characters to %d characters, a factor of %f.'%(old_area, new_area, area_factor))
new_font.set_size (self.old_font.get_size() * (area_factor / 2))
dbg ('zoom_scale_font: Scaled font from %f to %f'%(self.old_font.get_size () / pango.SCALE, new_font.get_size () / pango.SCALE))
widget._vte.set_font (new_font)
widget.disconnect (self.cnid)
def unzoom_term (self, widget, fontscale = False):
"""Proof of concept: Go back to previous application
widget structure.
"""
if self._zoomed:
if fontscale:
widget._vte.set_font (self.old_font)
self._zoomed = False
self._maximised = False
self.window.remove(widget)
self.window.add(self.window_child)
self.old_parent.add(widget)
if isinstance(self.old_parent, gtk.Notebook):
self.old_parent.set_current_page(self.old_page)
widget._vte.grab_focus ()