def drawTimes(self, context, offset, spacing, interval_seconds):
# figure out what the optimal offset is
interval = int(Gst.SECOND * interval_seconds)
current_time = self.pixelToNs(self.pixbuf_offset)
paintpos = TIMES_LEFT_MARGIN_PIXELS
if offset > 0:
current_time = current_time - (current_time % interval) + interval
paintpos += spacing - offset
set_cairo_color(context, self._color_normal)
y_bearing = context.text_extents("0")[1]
def split(x):
# Seven elements: h : mm : ss . mmm
# Using negative indices because the first element (hour)
# can have a variable length.
return x[:-10], x[-10], x[-9:-7], x[-7], x[-6:-4], x[-4], x[-3:]
previous = split(time_to_string(max(0, current_time - interval)))
width = context.get_target().get_width()
while paintpos < width:
context.move_to(int(paintpos), 1 - y_bearing)
current = split(time_to_string(int(current_time)))
millis = current_time % Gst.SECOND > 0
self._drawTime(context, current, previous, millis)
previous = current
paintpos += spacing
current_time += interval
def drawTimes(self, context, offset, spacing, interval_seconds):
# figure out what the optimal offset is
interval = int(Gst.SECOND * interval_seconds)
current_time = self.pixelToNs(self.pixbuf_offset)
paintpos = TIMES_LEFT_MARGIN_PIXELS
if offset > 0:
current_time = current_time - (current_time % interval) + interval
paintpos += spacing - offset
set_cairo_color(context, self._color_normal)
y_bearing = context.text_extents("0")[1]
def split(x):
# Seven elements: h : mm : ss . mmm
# Using negative indices because the first element (hour)
# can have a variable length.
return x[:-10], x[-10], x[-9:-7], x[-7], x[-6:-4], x[-4], x[-3:]
previous = split(time_to_string(max(0, current_time - interval)))
width = context.get_target().get_width()
while paintpos < width:
context.move_to(int(paintpos), 1 - y_bearing)
current = split(time_to_string(int(current_time)))
millis = current_time % Gst.SECOND > 0
self._drawTime(context, current, previous, millis)
previous = current
paintpos += spacing
current_time += interval
def _getSpacing(self, context):
textwidth = context.text_extents(time_to_string(0))[2]
zoom = Zoomable.zoomratio
for scale in self.scales:
spacing = scale * zoom
if spacing >= textwidth * 1.5:
return spacing, scale
raise Exception("Failed to find an interval size for textwidth:%s, zoomratio:%s" % (textwidth, Zoomable.zoomratio))
def _getSpacing(self, context):
textwidth = context.text_extents(time_to_string(0))[2]
zoom = Zoomable.zoomratio
for scale in self.scales:
spacing = scale * zoom
if spacing >= textwidth * 1.5:
return spacing, scale
raise Exception("Failed to find an interval size for textwidth:%s, zoomratio:%s" % (textwidth, Zoomable.zoomratio))
def drawRuler(self, cr):
# FIXME use system defaults
cr.set_font_face(cairo.ToyFontFace("Cantarell"))
cr.set_font_size(13)
textwidth = cr.text_extents(time_to_string(0))[2]
for scale in self.scale:
spacing = Zoomable.zoomratio * scale
if spacing >= textwidth * 1.5:
break
offset = self.pixbuf_offset % spacing
self.drawFrameBoundaries(cr)
self.drawTicks(cr, offset, spacing, scale)
self.drawTimes(cr, offset, spacing, scale)
def drawTimes(self, cr, offset, spacing, scale):
# figure out what the optimal offset is
interval = long(gst.SECOND * scale)
seconds = self.pixelToNs(self.pixbuf_offset)
paintpos = float(self.border) + 2
if offset > 0:
seconds = seconds - (seconds % interval) + interval
paintpos += spacing - offset
while paintpos < cr.get_target().get_width():
if paintpos < self.nsToPixel(gst.CLOCK_TIME_NONE):
state = gtk.STATE_ACTIVE
else:
state = gtk.STATE_NORMAL
timevalue = time_to_string(long(seconds))
setCairoColor(cr, self.style.fg[state])
x_bearing, y_bearing = cr.text_extents("0")[:2]
cr.move_to(int(paintpos), 1 - y_bearing)
cr.show_text(timevalue)
paintpos += spacing
seconds += interval
def drawTimes(self, cr, offset, spacing, scale):
# figure out what the optimal offset is
interval = long(Gst.SECOND * scale)
seconds = self.pixelToNs(self.pixbuf_offset)
paintpos = float(self.border) + 2
if offset > 0:
seconds = seconds - (seconds % interval) + interval
paintpos += spacing - offset
while paintpos < cr.get_target().get_width():
if paintpos < self.nsToPixel(Gst.CLOCK_TIME_NONE):
state = Gtk.StateType.ACTIVE
else:
state = Gtk.StateType.NORMAL
timevalue = time_to_string(long(seconds))
style = self.get_style_context()
setCairoColor(cr, style.get_color(state))
x_bearing, y_bearing = cr.text_extents("0")[:2]
cr.move_to(int(paintpos), 1 - y_bearing)
cr.show_text(timevalue)
paintpos += spacing
seconds += interval
def setWidgetValue(self, timeNanos, send_signal=True):
timecode = time_to_string(timeNanos)
if timecode.startswith("0:"):
timecode = timecode[2:]
TextWidget.setWidgetValue(self, timecode, send_signal=send_signal)
def setWidgetValue(self, value, send_signal=True):
TextWidget.setWidgetValue(self,
time_to_string(value),
send_signal=send_signal)
def setWidgetValue(self, value, send_signal=True):
TextWidget.setWidgetValue(self, time_to_string(value), send_signal=send_signal)
def setWidgetValue(self, timeNanos, send_signal=True):
timecode = time_to_string(timeNanos)
if timecode.startswith("0:"):
timecode = timecode[2:]
TextWidget.setWidgetValue(self, timecode, send_signal=send_signal)
