I am a helper class to draw the fading effect of the background Call my methods start() and stop() to control the fading.
| Function | __init__ | Undocumented |
| Function | _merge_colors | Change the background of widget from src_color to dst_color |
| Function | _start_merging | Undocumented |
| Function | start | Schedules a start of the countdown. |
| Function | stop | Stops the fadeout and restores the background color |
Change the background of widget from src_color to dst_color in the number of steps specified
Schedules a start of the countdown.
Stops the fadeout and restores the background color