/b-gtk/fix-viz

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Viewing changes to branchview/graphcell.py

  • Committer: Curtis Hovey
  • Date: 2011-09-03 01:25:04 UTC
  • mto: This revision was merged to the branch mainline in revision 741.
  • Revision ID: sinzui.is@verizon.net-20110903012504-0jr4diz9033g5df2
Menu fixes.

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branchview/graphcell.py
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import math
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import gtk
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import gobject
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import pango
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import cairo
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class CellRendererGraph(gtk.GenericCellRenderer):
 
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from gi.repository import Gtk
 
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from gi.repository import GObject
 
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from gi.repository import Pango
 
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from gi.repository import cairo
 
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class CellRendererGraph(Gtk.CellRenderer):
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    """Cell renderer for directed graph.
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    Properties:
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    columns_len = 0
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    __gproperties__ = {
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        "node":         ( gobject.TYPE_PYOBJECT, "node",
 
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        "node":         ( GObject.TYPE_PYOBJECT, "node",
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                          "revision node instruction",
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                          gobject.PARAM_WRITABLE
 
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                          GObject.PARAM_WRITABLE
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                        ),
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        "tags":         ( gobject.TYPE_PYOBJECT, "tags",
 
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        "tags":         ( GObject.TYPE_PYOBJECT, "tags",
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                          "list of tags associated with the node",
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                          gobject.PARAM_WRITABLE
 
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                          GObject.PARAM_WRITABLE
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                        ),
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        "in-lines":     ( gobject.TYPE_PYOBJECT, "in-lines",
 
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        "in-lines":     ( GObject.TYPE_PYOBJECT, "in-lines",
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                          "instructions to draw lines into the cell",
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                          gobject.PARAM_WRITABLE
 
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                          GObject.PARAM_WRITABLE
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                        ),
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        "out-lines":    ( gobject.TYPE_PYOBJECT, "out-lines",
 
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        "out-lines":    ( GObject.TYPE_PYOBJECT, "out-lines",
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                          "instructions to draw lines out of the cell",
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                          gobject.PARAM_WRITABLE
 
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                          GObject.PARAM_WRITABLE
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                        ),
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        }
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        except AttributeError:
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            pango_ctx = widget.get_pango_context()
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            font_desc = widget.get_style().font_desc
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            metrics = pango_ctx.get_metrics(font_desc)
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            ascent = pango.PIXELS(metrics.get_ascent())
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            descent = pango.PIXELS(metrics.get_descent())
 
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            metrics = pango_ctx.get_metrics(font_desc, None)
 
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            def PANGO_PIXELS(d):
 
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                # Macro from  Pango header.
 
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                return (d + 512) / 1000
 
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            ascent = PANGO_PIXELS(metrics.get_ascent())
 
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            descent = PANGO_PIXELS(metrics.get_descent())
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            self._box_size = ascent + descent + 6
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            return self._box_size
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                cell_area.y + cell_area.height / 2,
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                box_size / 4, 0, 2 * math.pi)
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        if flags & gtk.CELL_RENDERER_SELECTED:
 
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        if flags & Gtk.CELL_RENDERER_SELECTED:
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            ctx.set_source_rgb(1.0, 1.0, 1.0)
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            ctx.set_line_width(box_size / 4)
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            ctx.stroke_preserve()
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                             endx, mid + height / 5 ,
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                             endx, mid + height / 2 + 1)
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        if flags & gtk.CELL_RENDERER_SELECTED:
 
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        if flags & Gtk.CELL_RENDERER_SELECTED:
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            ctx.set_source_rgb(1.0, 1.0, 1.0)
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            ctx.set_line_width(box_size / 5)
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            ctx.stroke_preserve()
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        (column, colour) = self.node
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        font_desc = pango.FontDescription()
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        font_desc.set_size(pango.SCALE * 7)
 
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        font_desc = Pango.FontDescription()
 
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        font_desc.set_size(Pango.SCALE * 7)
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        tag_layout = pango.Layout(pango_ctx)
 
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        tag_layout = Pango.Layout(pango_ctx)
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        tag_layout.set_font_description(font_desc)
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        # The width of the tag label stack