149
149
box_size = self.box_size(widget)
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ctx.set_line_width(box_size / 8)
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ctx.set_line_cap(cairo.LINE_CAP_ROUND)
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# Draw lines into the cell
155
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for start, end, colour in self.in_lines:
156
155
self.render_line (ctx, cell_area, box_size,
157
156
bg_area.y, bg_area.height,
157
start, end, colour, flags)
160
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# Draw lines out of the cell
161
160
for start, end, colour in self.out_lines:
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161
self.render_line (ctx, cell_area, box_size,
163
162
bg_area.y + bg_area.height, bg_area.height,
163
start, end, colour, flags)
166
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# Draw the revision node in the right column
167
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(column, colour) = self.node
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168
cell_area.y + cell_area.height / 2,
170
169
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)
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ctx.set_line_width(box_size / 4)
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ctx.stroke_preserve()
175
ctx.set_line_width(box_size / 8)
172
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self.set_colour(ctx, colour, 0.0, 0.5)
173
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ctx.stroke_preserve()
178
183
self.render_tags(ctx, widget.create_pango_context(), cell_area, box_size)
180
def render_line(self, ctx, cell_area, box_size, mid, height, start, end, colour):
185
def render_line(self, ctx, cell_area, box_size, mid, height, start, end, colour, flags):
181
186
if start is None:
187
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
182
188
x = cell_area.x + box_size * end + box_size / 2
183
189
ctx.move_to(x, mid + height / 3)
184
190
ctx.line_to(x, mid + height / 3)
186
192
ctx.line_to(x, mid + height / 6)
188
194
elif end is None:
195
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
189
196
x = cell_area.x + box_size * start + box_size / 2
190
197
ctx.move_to(x, mid - height / 3)
191
198
ctx.line_to(x, mid - height / 3)
192
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ctx.move_to(x, mid - height / 6)
193
200
ctx.line_to(x, mid - height / 6)
203
ctx.set_line_cap(cairo.LINE_CAP_BUTT)
195
204
startx = cell_area.x + box_size * start + box_size / 2
196
205
endx = cell_area.x + box_size * end + box_size / 2
198
207
ctx.move_to(startx, mid - height / 2)
200
209
if start - end == 0 :
201
ctx.line_to(endx, mid + height / 2)
210
ctx.line_to(endx, mid + height / 2 + 1)
203
212
ctx.curve_to(startx, mid - height / 5,
204
213
startx, mid - height / 5,
205
214
startx + (endx - startx) / 2, mid)
207
216
ctx.curve_to(endx, mid + height / 5,
208
217
endx, mid + height / 5 ,
209
endx, mid + height / 2)
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)
211
226
self.set_colour(ctx, colour, 0.0, 0.65)
214
230
def render_tags(self, ctx, pango_ctx, cell_area, box_size):
231
# colour ID used in self.set_colour on the tags
215
234
(column, colour) = self.node
236
font_desc = pango.FontDescription()
237
font_desc.set_size(pango.SCALE * 7)
216
239
tag_layout = pango.Layout(pango_ctx)
240
tag_layout.set_font_description(font_desc)
242
# The width of the tag label stack
218
245
for tag_idx, tag in enumerate(self.tags):
219
tag_layout.set_text(tag)
246
tag_layout.set_text(" " + tag + " ")
220
247
text_width, text_height = tag_layout.get_pixel_size()
222
x0 = cell_area.x + box_size * (column + 1.3)
250
box_size * (column + 1.3) + width
223
252
y0 = cell_area.y + \
224
cell_area.height * (tag_idx + 1) / (len(self.tags) + 1) - \
253
cell_area.height / 2 - \
256
width += text_width + 5
227
258
# Draw the tag border
228
259
ctx.move_to(x0 - box_size / 3, y0 + text_height / 2)
232
263
ctx.line_to(x0, y0 + text_height)
233
264
ctx.line_to(x0 - box_size / 3, y0 + text_height / 2)
235
self.set_colour(ctx, colour, 0.0, 0.5)
267
ctx.arc(x0 - box_size / 12,
268
y0 + text_height / 2,
272
self.set_colour(ctx, TAG_COLOUR_ID, 0.0, 0.5)
236
273
ctx.stroke_preserve()
238
self.set_colour(ctx, colour, 0.5, 1.0)
275
ctx.set_fill_rule (cairo.FILL_RULE_EVEN_ODD)
276
self.set_colour(ctx, TAG_COLOUR_ID, 0.5, 1.0)
241
279
# Draw the tag text
242
self.set_colour(ctx, 0.0, 0.0, 0.0)
280
self.set_colour(ctx, 0, 0.0, 0.0)
243
281
ctx.move_to(x0, y0)
244
282
ctx.show_layout(tag_layout)