| #  This file is part of pybootchartgui. | 
 |  | 
 | #  pybootchartgui 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, either version 3 of the License, or | 
 | #  (at your option) any later version. | 
 |  | 
 | #  pybootchartgui 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 pybootchartgui. If not, see <http://www.gnu.org/licenses/>. | 
 |  | 
 | import gobject | 
 | import gtk | 
 | import gtk.gdk | 
 | import gtk.keysyms | 
 | from . import draw | 
 | from .draw import RenderOptions | 
 |  | 
 | class PyBootchartWidget(gtk.DrawingArea): | 
 |     __gsignals__ = { | 
 |             'expose-event': 'override', | 
 |             'clicked' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_STRING, gtk.gdk.Event)), | 
 |             'position-changed' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_INT, gobject.TYPE_INT)), | 
 |             'set-scroll-adjustments' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gtk.Adjustment, gtk.Adjustment)) | 
 |     } | 
 |  | 
 |     def __init__(self, trace, options, xscale): | 
 |         gtk.DrawingArea.__init__(self) | 
 |  | 
 |         self.trace = trace | 
 |         self.options = options | 
 |  | 
 |         self.set_flags(gtk.CAN_FOCUS) | 
 |  | 
 |         self.add_events(gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK) | 
 |         self.connect("button-press-event", self.on_area_button_press) | 
 |         self.connect("button-release-event", self.on_area_button_release) | 
 |         self.add_events(gtk.gdk.POINTER_MOTION_MASK | gtk.gdk.POINTER_MOTION_HINT_MASK | gtk.gdk.BUTTON_RELEASE_MASK) | 
 |         self.connect("motion-notify-event", self.on_area_motion_notify) | 
 |         self.connect("scroll-event", self.on_area_scroll_event) | 
 |         self.connect('key-press-event', self.on_key_press_event) | 
 |  | 
 |         self.connect('set-scroll-adjustments', self.on_set_scroll_adjustments) | 
 |         self.connect("size-allocate", self.on_allocation_size_changed) | 
 |         self.connect("position-changed", self.on_position_changed) | 
 |  | 
 |         self.zoom_ratio = 1.0 | 
 |         self.xscale = xscale | 
 |         self.x, self.y = 0.0, 0.0 | 
 |  | 
 |         self.chart_width, self.chart_height = draw.extents(self.options, self.xscale, self.trace) | 
 |         self.hadj = None | 
 |         self.vadj = None | 
 |         self.hadj_changed_signal_id = None | 
 |         self.vadj_changed_signal_id = None | 
 |  | 
 |     def do_expose_event(self, event): | 
 |         cr = self.window.cairo_create() | 
 |  | 
 |         # set a clip region for the expose event | 
 |         cr.rectangle( | 
 |                 event.area.x, event.area.y, | 
 |                 event.area.width, event.area.height | 
 |         ) | 
 |         cr.clip() | 
 |         self.draw(cr, self.get_allocation()) | 
 |         return False | 
 |  | 
 |     def draw(self, cr, rect): | 
 |         cr.set_source_rgba(1.0, 1.0, 1.0, 1.0) | 
 |         cr.paint() | 
 |         cr.scale(self.zoom_ratio, self.zoom_ratio) | 
 |         cr.translate(-self.x, -self.y) | 
 |         draw.render(cr, self.options, self.xscale, self.trace) | 
 |  | 
 |     def position_changed(self): | 
 |         self.emit("position-changed", self.x, self.y) | 
 |  | 
 |     ZOOM_INCREMENT = 1.25 | 
 |  | 
 |     def zoom_image (self, zoom_ratio): | 
 |         self.zoom_ratio = zoom_ratio | 
 |         self._set_scroll_adjustments (self.hadj, self.vadj) | 
 |         self.queue_draw() | 
 |  | 
 |     def zoom_to_rect (self, rect): | 
 |         zoom_ratio = float(rect.width)/float(self.chart_width) | 
 |         self.zoom_image(zoom_ratio) | 
 |         self.x = 0 | 
 |         self.position_changed() | 
 |  | 
 |     def set_xscale(self, xscale): | 
 |         old_mid_x = self.x + self.hadj.page_size / 2 | 
 |         self.xscale = xscale | 
 |         self.chart_width, self.chart_height = draw.extents(self.options, self.xscale, self.trace) | 
 |         new_x = old_mid_x | 
 |         self.zoom_image (self.zoom_ratio) | 
 |  | 
 |     def on_expand(self, action): | 
 |         self.set_xscale (int(self.xscale * 1.5 + 0.5)) | 
 |  | 
 |     def on_contract(self, action): | 
 |         self.set_xscale (max(int(self.xscale / 1.5), 1)) | 
 |  | 
 |     def on_zoom_in(self, action): | 
 |         self.zoom_image(self.zoom_ratio * self.ZOOM_INCREMENT) | 
 |  | 
 |     def on_zoom_out(self, action): | 
 |         self.zoom_image(self.zoom_ratio / self.ZOOM_INCREMENT) | 
 |  | 
 |     def on_zoom_fit(self, action): | 
 |         self.zoom_to_rect(self.get_allocation()) | 
 |  | 
 |     def on_zoom_100(self, action): | 
 |         self.zoom_image(1.0) | 
 |         self.set_xscale(1.0) | 
 |  | 
 |     def show_toggled(self, button): | 
 |         self.options.app_options.show_all = button.get_property ('active') | 
 |         self.chart_width, self.chart_height = draw.extents(self.options, self.xscale, self.trace) | 
 |         self._set_scroll_adjustments(self.hadj, self.vadj) | 
 |         self.queue_draw() | 
 |  | 
 |     POS_INCREMENT = 100 | 
 |  | 
 |     def on_key_press_event(self, widget, event): | 
 |         if event.keyval == gtk.keysyms.Left: | 
 |             self.x -= self.POS_INCREMENT/self.zoom_ratio | 
 |         elif event.keyval == gtk.keysyms.Right: | 
 |             self.x += self.POS_INCREMENT/self.zoom_ratio | 
 |         elif event.keyval == gtk.keysyms.Up: | 
 |             self.y -= self.POS_INCREMENT/self.zoom_ratio | 
 |         elif event.keyval == gtk.keysyms.Down: | 
 |             self.y += self.POS_INCREMENT/self.zoom_ratio | 
 |         else: | 
 |             return False | 
 |         self.queue_draw() | 
 |         self.position_changed() | 
 |         return True | 
 |  | 
 |     def on_area_button_press(self, area, event): | 
 |         if event.button == 2 or event.button == 1: | 
 |             area.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.FLEUR)) | 
 |             self.prevmousex = event.x | 
 |             self.prevmousey = event.y | 
 |         if event.type not in (gtk.gdk.BUTTON_PRESS, gtk.gdk.BUTTON_RELEASE): | 
 |             return False | 
 |         return False | 
 |  | 
 |     def on_area_button_release(self, area, event): | 
 |         if event.button == 2 or event.button == 1: | 
 |             area.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.ARROW)) | 
 |             self.prevmousex = None | 
 |             self.prevmousey = None | 
 |             return True | 
 |         return False | 
 |  | 
 |     def on_area_scroll_event(self, area, event): | 
 |         if event.state & gtk.gdk.CONTROL_MASK: | 
 |             if event.direction == gtk.gdk.SCROLL_UP: | 
 |                 self.zoom_image(self.zoom_ratio * self.ZOOM_INCREMENT) | 
 |                 return True | 
 |             if event.direction == gtk.gdk.SCROLL_DOWN: | 
 |                 self.zoom_image(self.zoom_ratio / self.ZOOM_INCREMENT) | 
 |                 return True | 
 |             return False | 
 |  | 
 |     def on_area_motion_notify(self, area, event): | 
 |         state = event.state | 
 |         if state & gtk.gdk.BUTTON2_MASK or state & gtk.gdk.BUTTON1_MASK: | 
 |             x, y = int(event.x), int(event.y) | 
 |             # pan the image | 
 |             self.x += (self.prevmousex - x)/self.zoom_ratio | 
 |             self.y += (self.prevmousey - y)/self.zoom_ratio | 
 |             self.queue_draw() | 
 |             self.prevmousex = x | 
 |             self.prevmousey = y | 
 |             self.position_changed() | 
 |         return True | 
 |  | 
 |     def on_set_scroll_adjustments(self, area, hadj, vadj): | 
 |         self._set_scroll_adjustments (hadj, vadj) | 
 |  | 
 |     def on_allocation_size_changed(self, widget, allocation): | 
 |         self.hadj.page_size = allocation.width | 
 |         self.hadj.page_increment = allocation.width * 0.9 | 
 |         self.vadj.page_size = allocation.height | 
 |         self.vadj.page_increment = allocation.height * 0.9 | 
 |  | 
 |     def _set_adj_upper(self, adj, upper): | 
 |         changed = False | 
 |         value_changed = False | 
 |  | 
 |         if adj.upper != upper: | 
 |             adj.upper = upper | 
 |             changed = True | 
 |  | 
 |         max_value = max(0.0, upper - adj.page_size) | 
 |         if adj.value > max_value: | 
 |             adj.value = max_value | 
 |             value_changed = True | 
 |  | 
 |         if changed: | 
 |             adj.changed() | 
 |         if value_changed: | 
 |             adj.value_changed() | 
 |  | 
 |     def _set_scroll_adjustments(self, hadj, vadj): | 
 |         if hadj == None: | 
 |             hadj = gtk.Adjustment(0.0, 0.0, 0.0, 0.0, 0.0, 0.0) | 
 |         if vadj == None: | 
 |             vadj = gtk.Adjustment(0.0, 0.0, 0.0, 0.0, 0.0, 0.0) | 
 |  | 
 |         if self.hadj_changed_signal_id != None and \ | 
 |            self.hadj != None and hadj != self.hadj: | 
 |             self.hadj.disconnect (self.hadj_changed_signal_id) | 
 |         if self.vadj_changed_signal_id != None and \ | 
 |            self.vadj != None and vadj != self.vadj: | 
 |             self.vadj.disconnect (self.vadj_changed_signal_id) | 
 |  | 
 |         if hadj != None: | 
 |             self.hadj = hadj | 
 |             self._set_adj_upper (self.hadj, self.zoom_ratio * self.chart_width) | 
 |             self.hadj_changed_signal_id = self.hadj.connect('value-changed', self.on_adjustments_changed) | 
 |  | 
 |         if vadj != None: | 
 |             self.vadj = vadj | 
 |             self._set_adj_upper (self.vadj, self.zoom_ratio * self.chart_height) | 
 |             self.vadj_changed_signal_id = self.vadj.connect('value-changed', self.on_adjustments_changed) | 
 |  | 
 |     def on_adjustments_changed(self, adj): | 
 |         self.x = self.hadj.value / self.zoom_ratio | 
 |         self.y = self.vadj.value / self.zoom_ratio | 
 |         self.queue_draw() | 
 |  | 
 |     def on_position_changed(self, widget, x, y): | 
 |         self.hadj.value = x * self.zoom_ratio | 
 |         self.vadj.value = y * self.zoom_ratio | 
 |  | 
 | PyBootchartWidget.set_set_scroll_adjustments_signal('set-scroll-adjustments') | 
 |  | 
 | class PyBootchartShell(gtk.VBox): | 
 |     ui = ''' | 
 |     <ui> | 
 |             <toolbar name="ToolBar"> | 
 |                     <toolitem action="Expand"/> | 
 |                     <toolitem action="Contract"/> | 
 |                     <separator/> | 
 |                     <toolitem action="ZoomIn"/> | 
 |                     <toolitem action="ZoomOut"/> | 
 |                     <toolitem action="ZoomFit"/> | 
 |                     <toolitem action="Zoom100"/> | 
 |             </toolbar> | 
 |     </ui> | 
 |     ''' | 
 |     def __init__(self, window, trace, options, xscale): | 
 |         gtk.VBox.__init__(self) | 
 |  | 
 |         self.widget = PyBootchartWidget(trace, options, xscale) | 
 |  | 
 |         # Create a UIManager instance | 
 |         uimanager = self.uimanager = gtk.UIManager() | 
 |  | 
 |         # Add the accelerator group to the toplevel window | 
 |         accelgroup = uimanager.get_accel_group() | 
 |         window.add_accel_group(accelgroup) | 
 |  | 
 |         # Create an ActionGroup | 
 |         actiongroup = gtk.ActionGroup('Actions') | 
 |         self.actiongroup = actiongroup | 
 |  | 
 |         # Create actions | 
 |         actiongroup.add_actions(( | 
 |                 ('Expand', gtk.STOCK_ADD, None, None, None, self.widget.on_expand), | 
 |                 ('Contract', gtk.STOCK_REMOVE, None, None, None, self.widget.on_contract), | 
 |                 ('ZoomIn', gtk.STOCK_ZOOM_IN, None, None, None, self.widget.on_zoom_in), | 
 |                 ('ZoomOut', gtk.STOCK_ZOOM_OUT, None, None, None, self.widget.on_zoom_out), | 
 |                 ('ZoomFit', gtk.STOCK_ZOOM_FIT, 'Fit Width', None, None, self.widget.on_zoom_fit), | 
 |                 ('Zoom100', gtk.STOCK_ZOOM_100, None, None, None, self.widget.on_zoom_100), | 
 |         )) | 
 |  | 
 |         # Add the actiongroup to the uimanager | 
 |         uimanager.insert_action_group(actiongroup, 0) | 
 |  | 
 |         # Add a UI description | 
 |         uimanager.add_ui_from_string(self.ui) | 
 |  | 
 |         # Scrolled window | 
 |         scrolled = gtk.ScrolledWindow() | 
 |         scrolled.add(self.widget) | 
 |  | 
 |         # toolbar / h-box | 
 |         hbox = gtk.HBox(False, 8) | 
 |  | 
 |         # Create a Toolbar | 
 |         toolbar = uimanager.get_widget('/ToolBar') | 
 |         hbox.pack_start(toolbar, True, True) | 
 |  | 
 |         if not options.kernel_only: | 
 |             # Misc. options | 
 |             button = gtk.CheckButton("Show more") | 
 |             button.connect ('toggled', self.widget.show_toggled) | 
 |             button.set_active(options.app_options.show_all) | 
 |             hbox.pack_start (button, False, True) | 
 |  | 
 |         self.pack_start(hbox, False) | 
 |         self.pack_start(scrolled) | 
 |         self.show_all() | 
 |  | 
 |     def grab_focus(self, window): | 
 |         window.set_focus(self.widget) | 
 |  | 
 |  | 
 | class PyBootchartWindow(gtk.Window): | 
 |  | 
 |     def __init__(self, trace, app_options): | 
 |         gtk.Window.__init__(self) | 
 |  | 
 |         window = self | 
 |         window.set_title("Bootchart %s" % trace.filename) | 
 |         window.set_default_size(750, 550) | 
 |  | 
 |         tab_page = gtk.Notebook() | 
 |         tab_page.show() | 
 |         window.add(tab_page) | 
 |  | 
 |         full_opts = RenderOptions(app_options) | 
 |         full_tree = PyBootchartShell(window, trace, full_opts, 1.0) | 
 |         tab_page.append_page (full_tree, gtk.Label("Full tree")) | 
 |  | 
 |         if trace.kernel is not None and len (trace.kernel) > 2: | 
 |             kernel_opts = RenderOptions(app_options) | 
 |             kernel_opts.cumulative = False | 
 |             kernel_opts.charts = False | 
 |             kernel_opts.kernel_only = True | 
 |             kernel_tree = PyBootchartShell(window, trace, kernel_opts, 5.0) | 
 |             tab_page.append_page (kernel_tree, gtk.Label("Kernel boot")) | 
 |  | 
 |         full_tree.grab_focus(self) | 
 |         self.show() | 
 |  | 
 |  | 
 | def show(trace, options): | 
 |     win = PyBootchartWindow(trace, options) | 
 |     win.connect('destroy', gtk.main_quit) | 
 |     gtk.main() |