Navigation

class tools.manual.frame_viewer.control.Navigation(display_frame)

Bases: object

Handles playback and frame navigation for the Frame Viewer Window.

Parameters:

display_frame (DisplayFrame) – The parent frame viewer window

Attributes Summary

tk_is_playing

Whether the stream is currently playing.

Methods Summary

decrement_frame()	Update The frame navigation position to the previous frame based on filter.
goto_first_frame()	Go to the first frame that meets the filter criteria.
goto_last_frame()	Go to the last frame that meets the filter criteria.
handle_play_button()	Handle the play button.
increment_frame([frame_count, is_playing])	Update The frame navigation position to the next frame based on filter.
nav_scale_callback(*args[, reset_progress])	Adjust transport slider scale for different filters.
stop_playback()	Stop play back if playing

Attributes Documentation

tk_is_playing

Whether the stream is currently playing.

Type:

tkinter.BooleanVar

Methods Documentation

decrement_frame()

Update The frame navigation position to the previous frame based on filter.

goto_first_frame()

Go to the first frame that meets the filter criteria.

goto_last_frame()

Go to the last frame that meets the filter criteria.

handle_play_button()

Handle the play button.

Switches the tk_is_playing variable.

increment_frame(frame_count=None, is_playing=False)

Update The frame navigation position to the next frame based on filter.

nav_scale_callback(*args, reset_progress=True)

Adjust transport slider scale for different filters. Hide or display optional filter controls.

stop_playback()

Stop play back if playing

decrement_frame()

Update The frame navigation position to the previous frame based on filter.

goto_first_frame()

Go to the first frame that meets the filter criteria.

goto_last_frame()

Go to the last frame that meets the filter criteria.

handle_play_button()

Handle the play button.

Switches the tk_is_playing variable.

increment_frame(frame_count=None, is_playing=False)

Update The frame navigation position to the next frame based on filter.

nav_scale_callback(*args, reset_progress=True)

Adjust transport slider scale for different filters. Hide or display optional filter controls.

stop_playback()

Stop play back if playing

property tk_is_playing

Whether the stream is currently playing.

Type:

tkinter.BooleanVar