Function apply_callback

lib/matplotlib/backends/qt_editor/figureoptions.py:183–265

A callback to apply changes.

(data)

        datalist.append((mappables, "Images, etc.", ""))

    def apply_callback(data):
        """A callback to apply changes."""
        orig_limits = {
            name: getattr(axes, f"get_{name}lim")()
            for name in axis_map
        }

        general = data.pop(0)
        curves = data.pop(0) if has_curve else []
        mappables = data.pop(0) if has_sm else []
        if data:
            raise ValueError("Unexpected field")

        title = general.pop(0)
        axes.title.set_text(title)
        generate_legend = general.pop()

        for i, (name, axis) in enumerate(axis_map.items()):
            axis_min = general[4*i]
            axis_max = general[4*i + 1]
            axis_label = general[4*i + 2]
            axis_scale = general[4*i + 3]
            if axis.get_scale() != axis_scale:
                getattr(axes, f"set_{name}scale")(axis_scale)

            axis._set_lim(axis_min, axis_max, auto=False)
            axis.set_label_text(axis_label)

            # Restore the unit data
            axis._set_converter(axis_converter[name])
            axis.set_units(axis_units[name])

        # Set / Curves
        for index, curve in enumerate(curves):
            line = labeled_lines[index][1]
            (label, linestyle, drawstyle, linewidth, color, marker, markersize,
             markerfacecolor, markeredgecolor) = curve
            line.set_label(label)
            line.set_linestyle(linestyle)
            line.set_drawstyle(drawstyle)
            line.set_linewidth(linewidth)
            rgba = mcolors.to_rgba(color)
            line.set_alpha(None)
            line.set_color(rgba)
            if marker != 'none':
                line.set_marker(marker)
                line.set_markersize(markersize)
                line.set_markerfacecolor(markerfacecolor)
                line.set_markeredgecolor(markeredgecolor)

        # Set ScalarMappables.
        for index, mappable_settings in enumerate(mappables):
            mappable = labeled_mappables[index][1]
            if len(mappable_settings) == 6:
                label, cmap, low, high, interpolation, interpolation_stage = \
                  mappable_settings
                mappable.set_interpolation(interpolation)
                mappable.set_interpolation_stage(interpolation_stage)