def add_pango_attributes(self, attrs, start_index, end_index):
"""Insert attributes for this StyleSpec into a pango.AttrList. Not every
property of StyleSpec maps into a pango.Attribute - the ones that don't
map are ignored and need to be handled separately.
@param attrs: pango.AttrList to insert attributes into.
@param start_index: byte offset of the start of the range this spec applies to
@param end_index: byte offset of the ned of the range this spec applies to
"""
if self.family is not None:
attrs.insert(pango.AttrFamily(self.family, start_index, end_index))
if self.foreground is not None:
color = pango.Color(self.foreground)
attrs.insert(
pango.AttrForeground(color.red, color.green, color.blue,
start_index, end_index))
if self.style is not None:
attrs.insert(pango.AttrStyle(self.style, start_index, end_index))
if self.underline is not None:
attrs.insert(
pango.AttrUnderline(self.underline, start_index, end_index))
if self.weight is not None:
attrs.insert(pango.AttrWeight(self.weight, start_index, end_index))
if self.weight is not None:
attrs.insert(pango.AttrWeight(self.weight, start_index, end_index))
def override_font_attributes(self, attr, text):
window_width, window_height = self.get_size()
lines = text.count('\n') + 1
attr.insert(
pango.AttrSizeAbsolute((50 * window_height // lines // 100) * 1000,
0, -1))
attr.insert(pango.AttrFamily(self.font.get_family(), 0, -1))
attr.insert(pango.AttrWeight(self.font.get_weight(), 0, -1))
def __init__(self):
gtk.EventBox.__init__(self)
self.label = gtk.Label()
attrs = pango.AttrList()
font_attr = pango.AttrFamily("monospace")
attrs.insert(font_attr)
self.label.set_attributes(attrs)
self.add(self.label)
self.connect("button-press-event", self.on_mouse)
self.peak = fpconst.NegInf
def set_window_size(self, setting):
"""Set window and label size."""
window_width = self.screen_width
window_height = -1
window_height = setting * self.screen_height / 100
attr = pango.AttrList()
attr.change(pango.AttrSize((50 * window_height / 100) * 1000, 0, -1))
attr.change(pango.AttrFamily(self.options['font'], 0, -1))
attr.change(pango.AttrWeight(pango.WEIGHT_BOLD, 0, -1))
attr.change(pango.AttrForeground(*self.options['color']))
self.label.set_attributes(attr)
self.resize(window_width, window_height)
def set_window_size(self, setting):
"""Set window and label size."""
window_width = self.screen_width
window_height = -1
if setting == SIZE_LARGE:
window_height = 24 * self.screen_height / 100
if setting == SIZE_MEDIUM:
window_height = 12 * self.screen_height / 100
if setting == SIZE_SMALL:
window_height = 8 * self.screen_height / 100
attr = pango.AttrList()
attr.change(pango.AttrSize((50 * window_height / 100) * 1000, 0, -1))
attr.change(pango.AttrFamily("Sans", 0, -1))
attr.change(pango.AttrWeight(pango.WEIGHT_BOLD, 0, -1))
attr.change(pango.AttrForeground(65535, 65535, 65535, 0, -1))
self.label.set_attributes(attr)
self.resize(window_width, window_height)
def _generate_thumb_with_text(self):
""" Generate the text on the pixbuf """
# This technique is used to compose image with text
# create a pixmap with the data of the pixbuf then insert text
# cf. pygtk FAQ How do I draw a text [or something else] on a gtk.gdk.pixbuf? for mor explication
# (http://faq.pygtk.org/index.py?req=show&file=faq08.020.htp )
pixmap, mask = self._pixbuf_thumb.render_pixmap_and_mask()
# graphic context and Drawarea any created to allow generation of pixbuf composition
gc = pixmap.new_gc()
area = gtk.DrawingArea()
# create pango layout
self.pangolayout = area.create_pango_layout("")
# extract only the image name without extenstion
text_buffer, ext = os.path.splitext(self._name)
text_buffer = " " + text_buffer + " "
self.pangolayout.set_text(text_buffer)
# set text attributes
attrs = pango.AttrList()
attrs.insert(pango.AttrFamily(LCONST.THUMB_TEXT_FAMILY, 0, -1))
attrs.insert(pango.AttrStyle(pango.STYLE_ITALIC, 0, -1))
attrs.insert(
pango.AttrForeground(LCONST.THUMB_TEXT_COLOR[0],
LCONST.THUMB_TEXT_COLOR[1],
LCONST.THUMB_TEXT_COLOR[2], 0, -1))
attrs.insert(pango.AttrBackground(0, 0, 0, 0, -1))
attrs.insert(pango.AttrSize(LCONST.THUMB_TEXT_SIZE, 0, -1))
self.pangolayout.set_attributes(attrs)
# compute text layout position and set it on pixmap
(w, h) = (self._pixbuf_thumb.get_width(),
self._pixbuf_thumb.get_height())
(lw, lh) = self.pangolayout.get_pixel_size()
pixmap.draw_layout(gc, (w - lw) // 2, (h - lh - 2), self.pangolayout)
# function get_from_drawable gets the the pixbuf from the pixmap
# no need to affect resuly to a new pisbuf: self._pixbuf_thumb is changed whe get_from_drawable is used
self._pixbuf_thumb.get_from_drawable(pixmap, pixmap.get_colormap(), 0,
0, 0, 0, -1, -1)
def on_configure(self, _, event):
window_height = event.height
attr = pango.AttrList()
attr.change(pango.AttrSize(int(self.options['fontsize']) * 1000, 0, -1))
attr.change(pango.AttrFamily(self.options['font'], 0, -1))
attr.change(pango.AttrWeight(pango.WEIGHT_BOLD, 0, -1))
fgcolor = gtk.gdk.color_parse(self.fg)
attr.change(pango.AttrForeground(
fgcolor.red, fgcolor.green, fgcolor.blue, 0, -1))
self.pos_x = event.x
self.pos_y = event.y
if self.timer:
self.timer.cancel()
self.timer = Timer(self.options['timeout'], self.on_timeout)
self.timer.start()
self.label.set_attributes(attr)
