def render(self, size, focus=False):
c = self._original_widget.render(size, focus)
if focus:
# create a new canvas so we can add a cursor
c = CompositeCanvas(c)
c.cursor = self.get_cursor_coords(size)
return c
def render(self, size, focus=False):
canvas = super().render(size, focus)
if self._pop_up_widget:
canvas = CompositeCanvas(canvas)
canvas.set_pop_up(self._pop_up_widget,
**self.get_pop_up_parameters(size=size))
return canvas
def render(self, size, focus=False):
"""
Render edit widget and return canvas. Include cursor when in
focus.
>>> c = Edit("? ","yes").render((10,), focus=True)
>>> c.text # ... = b in Python 3
[...'? yes ']
>>> c.cursor
(5, 0)
"""
if self.has_focus and not focus:
self.has_focus = False
self.on_blur()
self.has_focus = focus
(maxcol,) = size
self._shift_view_to_cursor = bool(focus)
canv = Text.render(self,(maxcol,))
if focus:
canv = CompositeCanvas(canv)
canv.cursor = self.get_cursor_coords((maxcol,))
# .. will need to FIXME if I want highlight to work again
#if self.highlight:
# hstart, hstop = self.highlight_coords()
# d.coords['highlight'] = [ hstart, hstop ]
return canv
def render(self, size, focus):
maxcols, maxrows = size
rows = self._original_widget.rows((maxcols, ), focus)
if rows <= maxrows:
# no clipping, so just fill as normal
return super().render(size, focus)
# limit scroll_top to top of last page
self.scroll_top = min(self.scroll_top, rows - maxrows)
ocanv = self._original_widget.render((maxcols, ), focus)
if ocanv.cursor is not None:
# ensure selected field is within scroll window
cx, cy = ocanv.cursor
if self.scroll_top <= cy < self.scroll_top + maxrows:
pass # already in view
elif cy < maxrows / 2:
self.scroll_top = 0
elif cy > rows - maxrows / 2:
self.scroll_top = rows - maxrows
else:
self.scroll_top = int(cy - maxrows / 2)
# calculate top / bottom values for pad_trim_top_bottom
top = -self.scroll_top
bottom = -(rows - self.scroll_top - maxrows)
canv = CompositeCanvas(ocanv)
canv.pad_trim_top_bottom(top, bottom)
if rows != 0:
# calculate top and bottom of scroll thumb as percentage of maxrows
sf = maxrows / rows
thumb_top = int(self.scroll_top * sf)
thumb_bottom = int((rows - (self.scroll_top + maxrows)) * sf)
thumb_size = maxrows - thumb_top - thumb_bottom
else:
thumb_size = maxrows
thumb_top = thumb_bottom = 0
# create canvases to draw scrollbar
scroll_top = SolidCanvas(self.trough_char, 1, thumb_top)
scroll_thumb = SolidCanvas(self.thumb_char, 1, thumb_size)
scroll_bottom = SolidCanvas(self.trough_char, 1, thumb_bottom)
scroll_bar = CanvasCombine([
(scroll_top, None, False),
(scroll_thumb, None, False),
(scroll_bottom, None, False),
])
return CanvasJoin([
(canv, None, True, maxcols - 1),
(scroll_bar, None, False, 1),
])