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path: root/cesar/common/tools/traceviewer/gui.py
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import pygtk
pygtk.require('2.0')
import gtk
import gtk.glade
import gobject
import os.path

from trace import Trace
from trace_view import TraceView
from trace_tree_model import TraceTreeModel

class TraceTreeWindow (gtk.Expander):

    def __init__ (self, trace, box = None, remove_cb = None,
            cursor_cb = None, highlight_cb = None):
        gtk.Expander.__init__ (self, trace.name)
        self.trace = trace
        self.set_expanded (True)
        ttm = TraceTreeModel (trace)
        # TreeView.
        tv = gtk.TreeView ()
        self.tv = tv
        cell = gtk.CellRendererText ()
        tvc = gtk.TreeViewColumn (ttm.column_names[0], cell, text=0)
        tv.append_column (tvc)
        cell = gtk.CellRendererText ()
        tvc = gtk.TreeViewColumn (ttm.column_names[2], cell, text=2)
        tv.append_column (tvc)
        tv.set_model (ttm)
        tv.set_search_column (2)
        tv.connect ('cursor-changed', self.row_selected)
        self.no_update = False
        self.cursor_cb = cursor_cb
        # Actions.
        action_box = gtk.VBox ()
        remove_button = gtk.Button ()
        remove_button.add (gtk.image_new_from_stock (gtk.STOCK_DELETE,
            gtk.ICON_SIZE_MENU))
        action_box.pack_start (remove_button, expand = False)
        remove_button.connect ('clicked', self.remove_clicked)
        self.remove_cb = remove_cb
        # Add.
        sw = gtk.ScrolledWindow ()
        sw.set_policy (gtk.POLICY_AUTOMATIC, gtk.POLICY_ALWAYS)
        sw.add (tv)
        hbox = gtk.HBox ()
        hbox.add (sw)
        hbox.pack_start (action_box, expand = False)
        self.add (hbox)
        # Handle expansion.
        self.box = box
        if box:
            self.connect ('notify::expanded', self.notify_expanded)
        # Handle highlight.
        self.highlight_cb = highlight_cb
        if highlight_cb:
            self.connect ('enter-notify-event', self.highlight_on)
            self.connect ('leave-notify-event', self.highlight_off)

    def notify_expanded (self, expander, param_spec):
        if self.get_expanded ():
            self.box.set_child_packing (self, True, True, 0, gtk.PACK_START)
        else:
            self.box.set_child_packing (self, False, True, 0, gtk.PACK_START)

    def set_cursor (self, date):
        if not self.no_update:
            self.no_update = True
            row = self.trace.row (date)
            self.tv.set_cursor (row)
            self.no_update = False

    def row_selected (self, treeview):
        if not self.no_update:
            self.no_update = True
            row = treeview.get_cursor ()[0][0]
            tracerow = self.trace.trace[row]
            date = tracerow.date
            aux = tracerow.aux ()
            if self.cursor_cb:
                self.cursor_cb (date, aux)
            self.no_update = False

    def remove_clicked (self, button):
        self.remove_cb (self.trace)

    def highlight_on (self, widget, event):
        self.highlight_cb (self.trace)

    def highlight_off (self, widget, event):
        self.highlight_cb ()

class TracesListView (gtk.TreeView):

    def __init__ (self, trace_visible_toggle_cb):
        self.model = gtk.ListStore (bool, str, object)
        gtk.TreeView.__init__ (self, self.model)
        cell = gtk.CellRendererToggle ()
        cell.set_property ('activatable', True)
        cell.connect ('toggled', self.visible_toggle_cb, None)
        tvc = gtk.TreeViewColumn ("Show", cell, active = 0)
        self.append_column (tvc)
        cell = gtk.CellRendererText ()
        tvc = gtk.TreeViewColumn ("Trace", cell, text = 1)
        self.append_column (tvc)
        self.trace_visible_toggle_cb = trace_visible_toggle_cb

    def add (self, trace):
        self.model.append ((trace.visible, trace.name, trace))

    def remove (self, trace):
        for l in self.model:
            if l[2] is trace:
                self.model.remove (l.iter)

    def show (self, trace, state = True):
        for l in self.model:
            if l[2] is trace:
                l[0] = state

    def hide (self, trace):
        self.show (trace, False)

    def visible_toggle_cb (self, cell, path, user):
        self.trace_visible_toggle_cb (self.model[path][2])

class Gui:

    def __init__ (self, zoom = 1.0):
        traceviewerdir = os.path.dirname (__file__)
        xml = gtk.glade.XML (os.path.join (traceviewerdir,
            'traceviewer.glade'))
        self.window = xml.get_widget ('main_window')
        self.window.connect ('destroy', lambda w: gtk.main_quit ())
        xml.signal_autoconnect (self)
        self.trace_view = TraceView ()
        self.trace_view.zoom = zoom
        self.trace_sw = xml.get_widget ('trace_sw')
        self.trace_sw.add_with_viewport (self.trace_view)
        self.trace_view.connect ('cursor-tck', self.on_cursor_tck)
        self.trace_sw.connect ('scroll-event', self.on_zoom_scroll_event)
        self.trace_tree_box = xml.get_widget ('trace_tree_box')
        self.traces_list_view = TracesListView (self.on_trace_visible_toggle)
        control_box = xml.get_widget ('control_box')
        control_box.pack_start (self.traces_list_view, expand = False)
        self.zoom_entry = xml.get_widget ('zoom_entry')
        self.user_cursor_entry = (
                xml.get_widget ('user_cursor_1_entry'),
                xml.get_widget ('user_cursor_2_entry'),
                )
        for uce, i in zip (self.user_cursor_entry,
                range (len (self.user_cursor_entry))):
            uce.child.i = i
            uce.child.connect ('changed', self.on_user_cursor_entry_change)
            ucem = gtk.ListStore (gobject.TYPE_STRING)
            uce.set_model (ucem)
            uce.set_text_column (0)
        self.user_cursor_diff_label = xml.get_widget (
                'user_cursor_diff_label')
        self.update_zoom ()
        self.update_cursors ()
        self.window.show_all ()
        self.no_cursor_update = False

    def add (self, trace):
        self.trace_view.add (trace)
        self.traces_list_view.add (trace)
        ttw = TraceTreeWindow (trace, self.trace_tree_box, self.remove,
                self.set_cursor, self.trace_view.highlight)
        self.trace_tree_box.add (ttw)
        ttw.show_all ()

    def remove (self, trace):
        for ttw in self.trace_tree_box.get_children ():
            if ttw.trace is trace:
                self.trace_view.remove (trace)
                self.traces_list_view.remove (trace)
                self.trace_tree_box.remove (ttw)

    def show (self, trace):
        for ttw in self.trace_tree_box.get_children ():
            if ttw.trace is trace:
                self.trace_view.show (trace)
                self.traces_list_view.show (trace)
                ttw.show ()

    def hide (self, trace):
        for ttw in self.trace_tree_box.get_children ():
            if ttw.trace is trace:
                self.trace_view.hide (trace)
                self.traces_list_view.hide (trace)
                ttw.hide ()

    def show_all (self):
        self.window.show_all ()

    def zoom (self, zoom, x = None):
        zoom_change = zoom / self.trace_view.zoom
        adj = self.trace_sw.get_hadjustment ()
        if x is None:
            offset = adj.page_size * 0.5
        else:
            offset = x - adj.value
        old_pos = adj.value + offset
        self.trace_view.zoom_set (zoom)
        self.update_zoom ()
        new_value = zoom_change * old_pos - offset
        new_value = min (new_value, self.trace_view.get_size_request ()[0]
                - adj.page_size)
        new_value = max (0, new_value)
        adj.value = new_value

    def on_zoom_scroll_event (self, button, event):
        if event.direction == gtk.gdk.SCROLL_UP:
            self.zoom (self.trace_view.zoom * 2, event.x)
        else:
            self.zoom (self.trace_view.zoom * 0.5, event.x)
        return True

    def on_zoom_fit_clicked (self, button):
        self.trace_view.zoom_fit (self.trace_sw.get_allocation ().width - 40)
        self.update_zoom ()

    def on_zoom_in_clicked (self, button):
        self.zoom (self.trace_view.zoom * 2)

    def on_zoom_out_clicked (self, button):
        self.zoom (self.trace_view.zoom * 0.5)

    def on_center_clicked (self, button):
        self.center ()

    def on_zoom_entry_activate (self, entry):
        self.zoom (float (self.zoom_entry.get_text ()))

    def on_user_cursor_entry_change (self, entry):
        try:
            date = eval (entry.get_text ())
        except:
            date = None
        else:
            date = long (date)
        self.trace_view.set_cursor_user (entry.i, date)
        self.update_cursors ()

    def on_quit_clicked (self, button):
        gtk.main_quit ()

    def on_cursor_tck (self, trace_view, date):
        for i in self.trace_tree_box.get_children ():
            i.set_cursor (date)
        self.set_cursor (date)

    def set_cursor (self, date, aux = None):
        if not self.no_cursor_update:
            self.no_cursor_update = True
            self.trace_view.set_cursor (date, aux)
            for uce in self.user_cursor_entry:
                uce.get_model ().clear ()
                uce.get_model ().append (('0x%08x' % date, ))
                if aux:
                    for a in aux:
                        uce.get_model ().append (('0x%08x' % a, ))
            self.no_cursor_update = False
        self.update_cursors ()

    def update_cursors (self):
        cu = self.trace_view.cursor_user
        c = self.trace_view.cursor
        label = ''
        if cu[0] is not None and cu[1] is not None:
            diff = cu[1] - cu[0]
            label += '%d (%.2f)' % (diff, float (diff) / 25)
        label += '\n'
        for i in xrange (len (cu)):
            if c is not None and cu[i] is not None:
                diff = c - cu[i]
                label += 'c%d%+d (%+.2f)' % (i + 1, diff, float (diff) / 25)
            label += '\n'
        self.user_cursor_diff_label.set_label (label)

    def update_zoom (self):
        self.zoom_entry.set_text ('%g' % self.trace_view.zoom)

    def on_trace_visible_toggle (self, trace):
        if trace.visible:
            self.hide (trace)
        else:
            self.show (trace)

    def center (self, date = None):
        if date is None:
            date = self.trace_view.cursor
        if date is not None:
            date_x = self.trace_view.date_to_coord_x (date)
            adj = self.trace_sw.get_hadjustment ()
            value = date_x - adj.page_size // 2
            value = max (value, 0)
            value = min (value, adj.upper - adj.page_size)
            adj.value = value

    def run (self):
        gtk.main ()

if __name__ == '__main__':
    gui = Gui ()
    # Traces.
    trace = Trace ('test')
    tf = [
            '[.] first undated\r\n',
            '[.] second undated\r\n',
            '[0x00000011] first dated\r\n',
            '[0x00000022] second dated date=0x00000011 date=0x00000033\r\n',
            '[.] third undated\r\n',
            '[0x00000033] third dated\r\n',
            '[0x00000033] third dated bis\r\n',
            ]
    trace.from_dump (tf)
    gui.add (trace)
    trace = Trace ('test 2')
    tf = [
            '[.] foo\r\n',
            '[.] bar\r\n',
            '[0x00000015] foo bar\r\n',
            '[0x00000022] bar foo\r\n',
            '[0x00000040] bar bar\r\n',
            '[.] foo foo\r\n',
            '[0x00000050] bar foo bar\r\n',
            ]
    trace.from_dump (tf)
    gui.add (trace)
    gtk.main ()