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 = [get_surface_extents(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_get_surface_extents(self):
sf = cairo.ImageSurface(cairo.FORMAT_RGB24, 10, 11)
self.assertEqual(get_surface_extents(sf), (0, 0, 10, 11))
def test_get_surface_extents(self):
sf = cairo.ImageSurface(cairo.FORMAT_RGB24, 10, 11)
self.assertEqual(get_surface_extents(sf), (0, 0, 10, 11))
def draw_title_info(self, cr):
cr.save()
do_shadow = (self.conf.shadow[0] != -1.0)
do_outline = (self.conf.outline[0] != -1.0)
self.set_name("osd_bubble")
qltk.add_css(self, """
#osd_bubble {
background-color:rgba(0,0,0,0);
}
""")
cr.set_operator(cairo.OPERATOR_OVER)
cr.set_source_rgba(*self.conf.fill)
radius = min(25, self.corners_factor * min(*self.get_size()))
self.draw_conf_rect(cr, 0, 0, self.get_size()[0],
self.get_size()[1], radius)
cr.fill()
# draw border
if do_outline:
# Make border darker and more translucent than the fill
f = self.conf.fill
rgba = (f[0] / 1.25, f[1] / 1.25, f[2] / 1.25, f[3] / 2.0)
cr.set_source_rgba(*rgba)
self.draw_conf_rect(cr,
1, 1,
self.get_size()[0] - 2, self.get_size()[1] - 2,
radius)
cr.set_line_width(2.0)
cr.stroke()
textx = self.BORDER
if self.cover_surface is not None:
rect = self.cover_rectangle
textx += rect.width + self.BORDER
surface = self.cover_surface
transmat = cairo.Matrix()
if do_shadow:
cr.set_source_rgba(*self.conf.shadow)
self.draw_conf_rect(cr,
rect.x + 2, rect.y + 2,
rect.width, rect.height,
0.6 * self.corners_factor * rect.width)
cr.fill()
if do_outline:
cr.set_source_rgba(*self.conf.outline)
self.draw_conf_rect(cr,
rect.x, rect.y,
rect.width, rect.height,
0.6 * self.corners_factor * rect.width)
cr.stroke()
cr.set_source_surface(surface, 0, 0)
width, height = get_surface_extents(surface)[2:]
transmat.scale(width / float(rect.width),
height / float(rect.height))
transmat.translate(-rect.x, -rect.y)
cr.get_source().set_matrix(transmat)
self.draw_conf_rect(cr,
rect.x, rect.y,
rect.width, rect.height,
0.6 * self.corners_factor * rect.width)
cr.fill()
PangoCairo.update_layout(cr, self.title_layout)
height = self.title_layout.get_pixel_size()[1]
texty = (self.get_size()[1] - height) // 2
if do_shadow:
cr.set_source_rgba(*self.conf.shadow)
cr.move_to(textx + 2, texty + 2)
PangoCairo.show_layout(cr, self.title_layout)
if do_outline:
cr.set_source_rgba(*self.conf.outline)
cr.move_to(textx, texty)
PangoCairo.layout_path(cr, self.title_layout)
cr.stroke()
cr.set_source_rgb(*self.conf.text[:3])
cr.move_to(textx, texty)
PangoCairo.show_layout(cr, self.title_layout)
cr.restore()
def draw_title_info(self, cr):
cr.save()
do_shadow = (self.conf.shadow[0] != -1.0)
do_outline = (self.conf.outline[0] != -1.0)
self.set_name("osd_bubble")
qltk.add_css(self, """
#osd_bubble {
background-color:rgba(0,0,0,0);
}
""")
cr.set_operator(cairo.OPERATOR_OVER)
cr.set_source_rgba(*self.conf.fill)
radius = min(25, self.corners_factor * min(*self.get_size()))
self.draw_conf_rect(cr, 0, 0, self.get_size()[0],
self.get_size()[1], radius)
cr.fill()
# draw border
if do_outline:
# Make border darker and more translucent than the fill
f = self.conf.fill
rgba = (f[0] / 1.25, f[1] / 1.25, f[2] / 1.25, f[3] / 2.0)
cr.set_source_rgba(*rgba)
self.draw_conf_rect(cr,
1, 1,
self.get_size()[0] - 2, self.get_size()[1] - 2,
radius)
cr.set_line_width(2.0)
cr.stroke()
textx = self.BORDER
if self.cover_surface is not None:
rect = self.cover_rectangle
textx += rect.width + self.BORDER
surface = self.cover_surface
transmat = cairo.Matrix()
if do_shadow:
cr.set_source_rgba(*self.conf.shadow)
self.draw_conf_rect(cr,
rect.x + 2, rect.y + 2,
rect.width, rect.height,
0.6 * self.corners_factor * rect.width)
cr.fill()
if do_outline:
cr.set_source_rgba(*self.conf.outline)
self.draw_conf_rect(cr,
rect.x, rect.y,
rect.width, rect.height,
0.6 * self.corners_factor * rect.width)
cr.stroke()
cr.set_source_surface(surface, 0, 0)
width, height = get_surface_extents(surface)[2:]
transmat.scale(width / float(rect.width),
height / float(rect.height))
transmat.translate(-rect.x, -rect.y)
cr.get_source().set_matrix(transmat)
self.draw_conf_rect(cr,
rect.x, rect.y,
rect.width, rect.height,
0.6 * self.corners_factor * rect.width)
cr.fill()
PangoCairo.update_layout(cr, self.title_layout)
height = self.title_layout.get_pixel_size()[1]
texty = (self.get_size()[1] - height) // 2
if do_shadow:
cr.set_source_rgba(*self.conf.shadow)
cr.move_to(textx + 2, texty + 2)
PangoCairo.show_layout(cr, self.title_layout)
if do_outline:
cr.set_source_rgba(*self.conf.outline)
cr.move_to(textx, texty)
PangoCairo.layout_path(cr, self.title_layout)
cr.stroke()
cr.set_source_rgb(*self.conf.text[:3])
cr.move_to(textx, texty)
PangoCairo.show_layout(cr, self.title_layout)
cr.restore()
