149
140
box_size = self.box_size(widget)
151
142
ctx.set_line_width(box_size / 8)
143
ctx.set_line_cap(cairo.LINE_CAP_SQUARE)
153
145
# Draw lines into the cell
154
146
for start, end, colour in self.in_lines:
155
self.render_line (ctx, cell_area, box_size,
156
bg_area.y, bg_area.height,
157
start, end, colour, flags)
147
ctx.move_to(cell_area.x + box_size * start + box_size / 2,
148
bg_area.y - bg_area.height / 2)
151
ctx.line_to(cell_area.x + box_size * start, bg_area.y)
152
ctx.line_to(cell_area.x + box_size * end + box_size, bg_area.y)
153
elif start - end < -1:
154
ctx.line_to(cell_area.x + box_size * start + box_size,
156
ctx.line_to(cell_area.x + box_size * end, bg_area.y)
158
ctx.line_to(cell_area.x + box_size * end + box_size / 2,
159
bg_area.y + bg_area.height / 2)
161
self.set_colour(ctx, colour, 0.0, 0.65)
159
164
# Draw lines out of the cell
160
165
for start, end, colour in self.out_lines:
161
self.render_line (ctx, cell_area, box_size,
162
bg_area.y + bg_area.height, bg_area.height,
163
start, end, colour, flags)
166
ctx.move_to(cell_area.x + box_size * start + box_size / 2,
167
bg_area.y + bg_area.height / 2)
170
ctx.line_to(cell_area.x + box_size * start,
171
bg_area.y + bg_area.height)
172
ctx.line_to(cell_area.x + box_size * end + box_size,
173
bg_area.y + bg_area.height)
174
elif start - end < -1:
175
ctx.line_to(cell_area.x + box_size * start + box_size,
176
bg_area.y + bg_area.height)
177
ctx.line_to(cell_area.x + box_size * end,
178
bg_area.y + bg_area.height)
180
ctx.line_to(cell_area.x + box_size * end + box_size / 2,
181
bg_area.y + bg_area.height / 2 + bg_area.height)
183
self.set_colour(ctx, colour, 0.0, 0.65)
165
186
# Draw the revision node in the right column
166
187
(column, colour) = self.node
168
189
cell_area.y + cell_area.height / 2,
169
190
box_size / 4, 0, 2 * math.pi)
171
if flags & gtk.CELL_RENDERER_SELECTED:
172
ctx.set_source_rgb(1.0, 1.0, 1.0)
173
ctx.set_line_width(box_size / 4)
174
ctx.stroke_preserve()
175
ctx.set_line_width(box_size / 8)
177
192
self.set_colour(ctx, colour, 0.0, 0.5)
178
193
ctx.stroke_preserve()
180
195
self.set_colour(ctx, colour, 0.5, 1.0)
183
self.render_tags(ctx, widget.create_pango_context(), cell_area, box_size)
185
def render_line(self, ctx, cell_area, box_size, mid, height, start, end, colour, flags):
187
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
188
x = cell_area.x + box_size * end + box_size / 2
189
ctx.move_to(x, mid + height / 3)
190
ctx.line_to(x, mid + height / 3)
191
ctx.move_to(x, mid + height / 6)
192
ctx.line_to(x, mid + height / 6)
195
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
196
x = cell_area.x + box_size * start + box_size / 2
197
ctx.move_to(x, mid - height / 3)
198
ctx.line_to(x, mid - height / 3)
199
ctx.move_to(x, mid - height / 6)
200
ctx.line_to(x, mid - height / 6)
203
ctx.set_line_cap(cairo.LINE_CAP_BUTT)
204
startx = cell_area.x + box_size * start + box_size / 2
205
endx = cell_area.x + box_size * end + box_size / 2
207
ctx.move_to(startx, mid - height / 2)
209
if start - end == 0 :
210
ctx.line_to(endx, mid + height / 2 + 1)
212
ctx.curve_to(startx, mid - height / 5,
213
startx, mid - height / 5,
214
startx + (endx - startx) / 2, mid)
216
ctx.curve_to(endx, mid + height / 5,
217
endx, mid + height / 5 ,
218
endx, mid + height / 2 + 1)
220
if flags & gtk.CELL_RENDERER_SELECTED:
221
ctx.set_source_rgb(1.0, 1.0, 1.0)
222
ctx.set_line_width(box_size / 5)
223
ctx.stroke_preserve()
224
ctx.set_line_width(box_size / 8)
226
self.set_colour(ctx, colour, 0.0, 0.65)
230
def render_tags(self, ctx, pango_ctx, cell_area, box_size):
231
# colour ID used in self.set_colour on the tags
234
(column, colour) = self.node
236
font_desc = pango.FontDescription()
237
font_desc.set_size(pango.SCALE * 7)
239
tag_layout = pango.Layout(pango_ctx)
240
tag_layout.set_font_description(font_desc)
242
# The width of the tag label stack
245
for tag_idx, tag in enumerate(self.tags):
246
tag_layout.set_text(" " + tag + " ")
247
text_width, text_height = tag_layout.get_pixel_size()
250
box_size * (column + 1.3) + width
253
cell_area.height / 2 - \
256
width += text_width + 5
258
# Draw the tag border
259
ctx.move_to(x0 - box_size / 3, y0 + text_height / 2)
261
ctx.line_to(x0 + text_width, y0)
262
ctx.line_to(x0 + text_width, y0 + text_height)
263
ctx.line_to(x0, y0 + text_height)
264
ctx.line_to(x0 - box_size / 3, y0 + text_height / 2)
267
ctx.arc(x0 - box_size / 12,
268
y0 + text_height / 2,
272
self.set_colour(ctx, TAG_COLOUR_ID, 0.0, 0.5)
273
ctx.stroke_preserve()
275
ctx.set_fill_rule (cairo.FILL_RULE_EVEN_ODD)
276
self.set_colour(ctx, TAG_COLOUR_ID, 0.5, 1.0)
280
self.set_colour(ctx, 0, 0.0, 0.0)
282
ctx.show_layout(tag_layout)