diff options
Diffstat (limited to 'services/console/lib/graphics/frequency.py')
| -rw-r--r-- | services/console/lib/graphics/frequency.py | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/services/console/lib/graphics/frequency.py b/services/console/lib/graphics/frequency.py deleted file mode 100644 index 94c55cf..0000000 --- a/services/console/lib/graphics/frequency.py +++ /dev/null @@ -1,147 +0,0 @@ -# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com). -# -# 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; either version 2 of the License, or -# (at your option) any later version. -# -# 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 St, Fifth Floor, Boston, MA 02110-1301 USA - -import gtk - -class HorizontalGraphic(gtk.DrawingArea): - _MARGIN = 5 - _LINE_WIDTH = 2 - _GRAPH_OFFSET = 7 - _range_x = [] - _range_y = [] - _frequency_timer = 0 - - def __init__(self): - gtk.DrawingArea.__init__(self) - self._width = 0 - self._height = 0 - self._buffer = [0] - self.connect('expose-event', self.do_expose) - self.connect('size-allocate', self._change_size_cb) - - def do_expose(self, widget, event): - context = widget.window.cairo_create() - context.rectangle(0, 0, self._width - 1, self._height - 1) - context.set_source_rgb (0,0,0) - context.fill_preserve() - context.set_line_width(self._LINE_WIDTH) - - if event.area.x == 0: - draw_all = True - self._draw_border_lines(context) - context.stroke() - else: - draw_all = False - context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height) - context.clip() - - context.set_source_rgb(1, 1, 1) - self._draw_buffer(event, widget, context, draw_all) - context.stroke() - - self._updated = False - return False - - def draw_value(self, percent): - redraw_all = False - - if (len(self._buffer) + 1) *self._GRAPH_OFFSET >= self._width: - redraw_all = True - self._buffer = [self._buffer[-1]] - length = 1 - else: - length = len(self._buffer) - 1 - - self._buffer.append(percent) - self._updated = True - - if redraw_all: - area_x = 0 - area_y = 0 - height = self._height - width = self._width - else: - area_x = self._graph_x + (length*self._GRAPH_OFFSET) - area_y = self._graph_y - width = self._GRAPH_OFFSET*2 - height = self._graph_height - - self.queue_draw_area(area_x, area_y, width, height) - self._frequency_timer += 1 - - return True - - def _draw_border_lines(self, context): - context.set_source_rgb(1, 1, 1) - self._draw_line(context, self._MARGIN, self._MARGIN, self._MARGIN, self._height - self._MARGIN) - self._draw_line(context, self._MARGIN, self._height - self._MARGIN - 1, self._width - self._MARGIN, self._height - self._MARGIN - 1) - - def _draw_line(self, context, from_x, from_y, to_x, to_y): - context.move_to(from_x, from_y) - context.line_to(to_x, to_y) - - def _draw_buffer(self, event, drwarea, context, draw_all=True): - buffer_offset = 0 - freq = 1 # Frequency timer - - length = len(self._buffer) - - if length == 0: - return - - # Context properties - context.set_line_width(self._LINE_WIDTH) - context.set_source_rgb(0,1,0) - - if draw_all == True: - buffer_offset = 0 - freq = 0 - else: - freq = buffer_offset = (event.area.x/self._GRAPH_OFFSET) - - for percent in self._buffer[buffer_offset:length]: - if buffer_offset == 0: - from_y = self._get_y(self._buffer[0]) - from_x = self._graph_x - else: - from_y = self._get_y(self._buffer[buffer_offset-1]) - from_x = (freq * self._GRAPH_OFFSET) - - to_x = (freq+1) * self._GRAPH_OFFSET - to_y = self._get_y(percent) - - self._draw_line(context, from_x, from_y, to_x, to_y) - buffer_offset+=1 - freq+=1 - - context.stroke() - - def _get_y(self, percent): - if percent==0: - percent = 1 - - graph_y = ((self._height)/(100 - 1))*(percent - 1) - y = self._LINE_WIDTH + abs(abs(self._height - graph_y) - self._MARGIN*2) - return int(y) - - def _change_size_cb(self, widget, allocation): - self._width = allocation.width - self._height = allocation.height - - self._graph_x = self._MARGIN + self._LINE_WIDTH - self._graph_y = self._MARGIN - self._graph_width = self._width - (self._MARGIN*2 + self._LINE_WIDTH) - self._graph_height = self._height - ((self._MARGIN*2 + self._LINE_WIDTH)) |