def test_pbosf_get_rect(self):
sf = cairo.ImageSurface(cairo.FORMAT_RGB24, 10, 11)
self.assertEqual(pbosf_get_rect(sf), (0, 0, 10, 11))
pixbuf = GdkPixbuf.Pixbuf.new(GdkPixbuf.Colorspace.RGB, True, 8, 4, 5)
self.assertEqual(pbosf_get_rect(pixbuf), (0, 0, 4, 5))
def create_multi_row_drag_icon(self, paths, max_rows):
"""Similar to create_row_drag_icon() but creates a drag icon
for multiple paths or None.
The resulting surface will draw max_rows rows and point out
if there are more rows selected.
"""
if not paths:
return
if len(paths) == 1:
return self.create_row_drag_icon(paths[0])
# create_row_drag_icon can return None
icons = [self.create_row_drag_icon(p) for p in paths[:max_rows]]
icons = [i for i in icons if i is not None]
if not icons:
return
sizes = [pbosf_get_rect(s) for s in icons]
if None in sizes:
return
width = max([s[2] for s in sizes])
height = sum([s[3] for s in sizes])
# this is the border width we see in the gtk provided surface, not
# much we can do besides hardcoding it here
bw = 1
layout = None
if len(paths) > max_rows:
more = _(u"and %d more…") % (len(paths) - max_rows)
more = "<i>%s</i>" % more
layout = self.create_pango_layout("")
layout.set_markup(more)
layout.set_alignment(Pango.Alignment.CENTER)
layout.set_width(Pango.SCALE * (width - 2 * bw))
lw, lh = layout.get_pixel_size()
height += lh
height += 6 # padding
surface = icons[0].create_similar(
cairo.CONTENT_COLOR_ALPHA, width, height)
ctx = cairo.Context(surface)
# render background
style_ctx = self.get_style_context()
Gtk.render_background(style_ctx, ctx, 0, 0, width, height)
# render rows
count_y = 0
for icon, (x, y, icon_width, icon_height) in zip(icons, sizes):
ctx.save()
ctx.set_source_surface(icon, -x, count_y + -y)
ctx.rectangle(bw, count_y + bw,
icon_width - 2 * bw,
icon_height - 2 * bw)
ctx.clip()
ctx.paint()
ctx.restore()
count_y += icon_height
if layout:
Gtk.render_layout(style_ctx, ctx, bw, count_y, layout)
# render border
Gtk.render_line(style_ctx, ctx, 0, 0, 0, height - 1)
Gtk.render_line(style_ctx, ctx, 0, height - 1, width - 1, height - 1)
Gtk.render_line(style_ctx, ctx, width - 1, height - 1, width - 1, 0)
Gtk.render_line(style_ctx, ctx, width - 1, 0, 0, 0)
return surface
def create_multi_row_drag_icon(self, paths, max_rows):
"""Similar to create_row_drag_icon() but creates a drag icon
for multiple paths or None.
The resulting surface will draw max_rows rows and point out
if there are more rows selected.
"""
if not paths:
return
if len(paths) == 1:
return self.create_row_drag_icon(paths[0])
# create_row_drag_icon can return None
icons = [self.create_row_drag_icon(p) for p in paths[:max_rows]]
icons = [i for i in icons if i is not None]
if not icons:
return
sizes = [pbosf_get_rect(s) for s in icons]
if None in sizes:
return
width = max([s[2] for s in sizes])
height = sum([s[3] for s in sizes])
# this is the border width we see in the gtk provided surface, not
# much we can do besides hardcoding it here
bw = 1
layout = None
if len(paths) > max_rows:
more = _(u"and %d more…") % (len(paths) - max_rows)
more = "<i>%s</i>" % more
layout = self.create_pango_layout("")
layout.set_markup(more)
layout.set_alignment(Pango.Alignment.CENTER)
layout.set_width(Pango.SCALE * (width - 2 * bw))
lw, lh = layout.get_pixel_size()
height += lh
height += 6 # padding
surface = icons[0].create_similar(
cairo.CONTENT_COLOR_ALPHA, width, height)
ctx = cairo.Context(surface)
# render background
style_ctx = self.get_style_context()
Gtk.render_background(style_ctx, ctx, 0, 0, width, height)
# render rows
count_y = 0
for icon, (x, y, icon_width, icon_height) in zip(icons, sizes):
ctx.save()
ctx.set_source_surface(icon, -x, count_y + -y)
ctx.rectangle(bw, count_y + bw,
icon_width - 2 * bw,
icon_height - 2 * bw)
ctx.clip()
ctx.paint()
ctx.restore()
count_y += icon_height
if layout:
Gtk.render_layout(style_ctx, ctx, bw, count_y, layout)
# render border
Gtk.render_line(style_ctx, ctx, 0, 0, 0, height - 1)
Gtk.render_line(style_ctx, ctx, 0, height - 1, width - 1, height - 1)
Gtk.render_line(style_ctx, ctx, width - 1, height - 1, width - 1, 0)
Gtk.render_line(style_ctx, ctx, width - 1, 0, 0, 0)
return surface
def test_pbosf_get_rect(self):
sf = cairo.ImageSurface(cairo.FORMAT_RGB24, 10, 11)
self.assertEqual(pbosf_get_rect(sf), (0, 0, 10, 11))
pixbuf = GdkPixbuf.Pixbuf.new(GdkPixbuf.Colorspace.RGB, True, 8, 4, 5)
self.assertEqual(pbosf_get_rect(pixbuf), (0, 0, 4, 5))
