/b-gtk/fix-viz

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  • Committer: Daniel Schierbeck
  • Date: 2007-10-21 16:09:12 UTC
  • Revision ID: daniel.schierbeck@gmail.com-20071021160912-pim0pdnh30whp1bm
Moved branch locking into treeview.

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# -*- coding: UTF-8 -*-
 
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"""Branch window.
 
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This module contains the code to manage the branch information window,
 
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which contains both the revision graph and details panes.
 
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"""
 
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__copyright__ = "Copyright © 2005 Canonical Ltd."
 
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__author__    = "Scott James Remnant <scott@ubuntu.com>"
 
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import gtk
 
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import gobject
 
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import pango
 
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import treemodel
 
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from bzrlib.osutils import format_date
 
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from linegraph import linegraph, same_branch
 
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from graphcell import CellRendererGraph
 
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from treemodel import TreeModel
 
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from treeview  import TreeView
 
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class BranchWindow(gtk.Window):
 
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    """Branch window.
 
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    This object represents and manages a single window containing information
 
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    for a particular branch.
 
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    """
 
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    def __init__(self, parent=None):
 
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        gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
 
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        self.set_border_width(0)
 
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        self.set_title("Revision history")
 
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        self._parent = parent
 
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        self.connect('key-press-event', self._on_key_pressed)
 
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        # Use three-quarters of the screen by default
 
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        screen = self.get_screen()
 
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        monitor = screen.get_monitor_geometry(0)
 
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        width = int(monitor.width * 0.75)
 
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        height = int(monitor.height * 0.75)
 
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        self.set_default_size(width, height)
 
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        # FIXME AndyFitz!
 
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        icon = self.render_icon(gtk.STOCK_INDEX, gtk.ICON_SIZE_BUTTON)
 
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        self.set_icon(icon)
 
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        self.accel_group = gtk.AccelGroup()
 
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        self.add_accel_group(self.accel_group)
 
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        self.construct()
 
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    def construct(self):
 
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        """Construct the window contents."""
 
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        vbox = gtk.VBox(spacing=0)
 
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        self.add(vbox)
 
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        vbox.pack_start(self.construct_navigation(), expand=False, fill=True)
 
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        vbox.pack_start(self.construct_loading_msg(), expand=False, fill=True)
 
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        paned = gtk.VPaned()
 
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        paned.pack1(self.construct_top(), resize=True, shrink=False)
 
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        paned.pack2(self.construct_bottom(), resize=False, shrink=True)
 
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        paned.show()
 
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        vbox.pack_start(paned, expand=True, fill=True)
 
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        vbox.set_focus_child(paned)
 
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        vbox.show()
 
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    def construct_loading_msg(self):
 
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        image_loading = gtk.image_new_from_stock(gtk.STOCK_REFRESH,
 
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                                                 gtk.ICON_SIZE_BUTTON)
 
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        image_loading.show()
 
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        label_loading = gtk.Label(_("Please wait, loading ancestral graph..."))
 
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        label_loading.set_alignment(0.0, 0.5)        
 
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        label_loading.show()
 
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        self.loading_msg_box = gtk.HBox()
 
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        self.loading_msg_box.set_spacing(5)
 
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        self.loading_msg_box.set_border_width(5)        
 
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        self.loading_msg_box.pack_start(image_loading, False, False)
 
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        self.loading_msg_box.pack_start(label_loading, True, True)
 
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        self.loading_msg_box.show()
 
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        return self.loading_msg_box
 
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    def construct_top(self):
 
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        """Construct the top-half of the window."""
 
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        self.treeview = TreeView()
 
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        self.treeview.connect("revision-selected",
 
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                self._treeselection_changed_cb)
 
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        self.treeview.connect('revisions-loaded', 
 
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                lambda x: self.loading_msg_box.hide())
 
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        self.treeview.show()
 
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        return self.treeview
 
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    def construct_navigation(self):
 
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        """Construct the navigation buttons."""
 
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        frame = gtk.Frame()
 
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        frame.set_shadow_type(gtk.SHADOW_OUT)
 
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        frame.show()
 
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        hbox = gtk.HBox(spacing=12)
 
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        frame.add(hbox)
 
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        hbox.show()
 
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        self.back_button = gtk.Button(stock=gtk.STOCK_GO_BACK)
 
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        self.back_button.set_relief(gtk.RELIEF_NONE)
 
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        self.back_button.add_accelerator("clicked", self.accel_group, ord('['),
 
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                                         0, 0)
 
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        self.back_button.connect("clicked", self._back_clicked_cb)
 
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        hbox.pack_start(self.back_button, expand=False, fill=True)
 
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        self.back_button.show()
 
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        self.fwd_button = gtk.Button(stock=gtk.STOCK_GO_FORWARD)
 
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        self.fwd_button.set_relief(gtk.RELIEF_NONE)
 
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        self.fwd_button.add_accelerator("clicked", self.accel_group, ord(']'),
 
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                                        0, 0)
 
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        self.fwd_button.connect("clicked", self._fwd_clicked_cb)
 
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        hbox.pack_start(self.fwd_button, expand=False, fill=True)
 
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        self.fwd_button.show()
 
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        return frame
 
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    def construct_bottom(self):
 
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        """Construct the bottom half of the window."""
 
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        from bzrlib.plugins.gtk.logview import LogView
 
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        self.logview = LogView(None, True, [], True)
 
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        (width, height) = self.get_size()
 
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        self.logview.set_size_request(width, int(height / 2.5))
 
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        self.logview.show()
 
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        self.logview.set_show_callback(self._show_clicked_cb)
 
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        self.logview.set_go_callback(self._go_clicked_cb)
 
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        return self.logview
 
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    def set_branch(self, branch, start, maxnum):
 
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        """Set the branch and start position for this window.
 
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        Creates a new TreeModel and populates it with information about
 
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        the new branch before updating the window title and model of the
 
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        treeview itself.
 
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        """
 
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        self.branch = branch
 
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        self.set_title(branch.nick + " - revision history")
 
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        self.treeview.set_branch(branch, start, maxnum)
 
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    def _on_key_pressed(self, widget, event):
 
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        """ Key press event handler. """
 
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        keyname = gtk.gdk.keyval_name(event.keyval)
 
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        func = getattr(self, '_on_key_press_' + keyname, None)
 
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        if func:
 
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            return func(event)
 
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    def _on_key_press_w(self, event):
 
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        if event.state & gtk.gdk.CONTROL_MASK:
 
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            self.destroy()
 
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            if self._parent is None:
 
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                gtk.main_quit()
 
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    def _on_key_press_q(self, event):
 
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        if event.state & gtk.gdk.CONTROL_MASK:
 
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            gtk.main_quit()
 
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    def _treeselection_changed_cb(self, selection, *args):
 
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        """callback for when the treeview changes."""
 
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        revision = self.treeview.get_revision()
 
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        parents  = self.treeview.get_parents()
 
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        children = self.treeview.get_children()
 
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        if revision is not None:
 
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            self.back_button.set_sensitive(len(parents) > 0)
 
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            self.fwd_button.set_sensitive(len(children) > 0)
 
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            tags = []
 
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            if self.branch.supports_tags():
 
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                tagdict = self.branch.tags.get_reverse_tag_dict()
 
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                if tagdict.has_key(revision.revision_id):
 
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                    tags = tagdict[revision.revision_id]
 
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            self.logview.set_revision(revision, tags, children)
 
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    def _back_clicked_cb(self, *args):
 
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        """Callback for when the back button is clicked."""
 
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        self.treeview.back()
 
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    def _fwd_clicked_cb(self, *args):
 
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        """Callback for when the forward button is clicked."""
 
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        self.treeview.forward()
 
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    def _go_clicked_cb(self, revid):
 
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        """Callback for when the go button for a parent is clicked."""
 
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        self.treeview.set_revision(revid)
 
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    def _show_clicked_cb(self, revid, parentid):
 
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        """Callback for when the show button for a parent is clicked."""
 
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        self.treeview.show_diff(self.branch, revid, parentid)
 
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        self.treeview.grab_focus()
 
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