/b-gtk/fix-viz

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/b-gtk/fix-viz

« back to all changes in this revision

Viewing changes to branchview/graphcell.py

  • Committer: Curtis Hovey
  • Date: 2011-08-27 18:35:08 UTC
  • mto: This revision was merged to the branch mainline in revision 741.
  • Revision ID: sinzui.is@verizon.net-20110827183508-ugqbp58na4mtt1no
Updated the pixbuf calls to gtk3.

Show diffs side-by-side

added added

removed removed

Lines of Context:
16
16
 
17
17
import math
18
18
 
19
 
import gtk
20
 
import gobject
21
 
import pango
22
 
import cairo
23
 
 
24
 
 
25
 
class CellRendererGraph(gtk.GenericCellRenderer):
 
19
from gi.repository import Gtk
 
20
from gi.repository import GObject
 
21
from gi.repository import Pango
 
22
from gi.repository import cairo
 
23
 
 
24
 
 
25
class CellRendererGraph(Gtk.CellRenderer):
26
26
    """Cell renderer for directed graph.
27
27
 
28
28
    Properties:
30
30
      in_lines          (start, end, colour) tuple list to draw inward lines,
31
31
      out_lines         (start, end, colour) tuple list to draw outward lines.
32
32
    """
33
 
    
 
33
 
34
34
    columns_len = 0
35
35
 
36
36
    __gproperties__ = {
37
 
        "node":         ( gobject.TYPE_PYOBJECT, "node",
 
37
        "node":         ( GObject.TYPE_PYOBJECT, "node",
38
38
                          "revision node instruction",
39
 
                          gobject.PARAM_WRITABLE
 
39
                          GObject.PARAM_WRITABLE
40
40
                        ),
41
 
        "tags":         ( gobject.TYPE_PYOBJECT, "tags",
 
41
        "tags":         ( GObject.TYPE_PYOBJECT, "tags",
42
42
                          "list of tags associated with the node",
43
 
                          gobject.PARAM_WRITABLE
 
43
                          GObject.PARAM_WRITABLE
44
44
                        ),
45
 
        "in-lines":     ( gobject.TYPE_PYOBJECT, "in-lines",
 
45
        "in-lines":     ( GObject.TYPE_PYOBJECT, "in-lines",
46
46
                          "instructions to draw lines into the cell",
47
 
                          gobject.PARAM_WRITABLE
 
47
                          GObject.PARAM_WRITABLE
48
48
                        ),
49
 
        "out-lines":    ( gobject.TYPE_PYOBJECT, "out-lines",
 
49
        "out-lines":    ( GObject.TYPE_PYOBJECT, "out-lines",
50
50
                          "instructions to draw lines out of the cell",
51
 
                          gobject.PARAM_WRITABLE
 
51
                          GObject.PARAM_WRITABLE
52
52
                        ),
53
53
        }
54
 
    
 
54
 
55
55
    def do_set_property(self, property, value):
56
56
        """Set properties from GObject properties."""
57
57
        if property.name == "node":
78
78
            font_desc = widget.get_style().font_desc
79
79
            metrics = pango_ctx.get_metrics(font_desc)
80
80
 
81
 
            ascent = pango.PIXELS(metrics.get_ascent())
82
 
            descent = pango.PIXELS(metrics.get_descent())
 
81
            ascent = Pango.PIXELS(metrics.get_ascent())
 
82
            descent = Pango.PIXELS(metrics.get_descent())
83
83
 
84
84
            self._box_size = ascent + descent + 6
85
85
            return self._box_size
168
168
                cell_area.y + cell_area.height / 2,
169
169
                box_size / 4, 0, 2 * math.pi)
170
170
 
171
 
        if flags & gtk.CELL_RENDERER_SELECTED:
 
171
        if flags & Gtk.CELL_RENDERER_SELECTED:
172
172
            ctx.set_source_rgb(1.0, 1.0, 1.0)
173
173
            ctx.set_line_width(box_size / 4)
174
174
            ctx.stroke_preserve()
181
181
        ctx.fill()
182
182
 
183
183
        self.render_tags(ctx, widget.create_pango_context(), cell_area, box_size)
184
 
    
 
184
 
185
185
    def render_line(self, ctx, cell_area, box_size, mid, height, start, end, colour, flags):
186
186
        if start is None:
187
187
            ctx.set_line_cap(cairo.LINE_CAP_ROUND)
190
190
            ctx.line_to(x, mid + height / 3)
191
191
            ctx.move_to(x, mid + height / 6)
192
192
            ctx.line_to(x, mid + height / 6)
193
 
            
 
193
 
194
194
        elif end is None:
195
195
            ctx.set_line_cap(cairo.LINE_CAP_ROUND)
196
196
            x = cell_area.x + box_size * start + box_size / 2
203
203
            ctx.set_line_cap(cairo.LINE_CAP_BUTT)
204
204
            startx = cell_area.x + box_size * start + box_size / 2
205
205
            endx = cell_area.x + box_size * end + box_size / 2
206
 
            
 
206
 
207
207
            ctx.move_to(startx, mid - height / 2)
208
 
            
 
208
 
209
209
            if start - end == 0 :
210
210
                ctx.line_to(endx, mid + height / 2 + 1)
211
211
            else:
217
217
                             endx, mid + height / 5 ,
218
218
                             endx, mid + height / 2 + 1)
219
219
 
220
 
        if flags & gtk.CELL_RENDERER_SELECTED:
 
220
        if flags & Gtk.CELL_RENDERER_SELECTED:
221
221
            ctx.set_source_rgb(1.0, 1.0, 1.0)
222
222
            ctx.set_line_width(box_size / 5)
223
223
            ctx.stroke_preserve()
233
233
 
234
234
        (column, colour) = self.node
235
235
 
236
 
        font_desc = pango.FontDescription()
237
 
        font_desc.set_size(pango.SCALE * 7)
 
236
        font_desc = Pango.FontDescription()
 
237
        font_desc.set_size(Pango.SCALE * 7)
238
238
 
239
 
        tag_layout = pango.Layout(pango_ctx)
 
239
        tag_layout = Pango.Layout(pango_ctx)
240
240
        tag_layout.set_font_description(font_desc)
241
241
 
242
242
        # The width of the tag label stack