#include "stage/timeline/display-manager.hpp"

Description

Interface for coordination of the overall timeline display.

Todo:: WIP-WIP as of 12/2019

Definition at line 146 of file display-manager.hpp.

Public Types
using	SignalStructureChange = sigc::signal< void >

Public Attributes
SignalStructureChange	signalStructureChange_
	signal to be invoked whenever the virtual structure of the corresponding timeline changes, thus necessitating a new arrangement of the timeline layout.

Public Member Functions
virtual	~DisplayManager ()
	this is an interface

virtual void	triggerDisplayEvaluation ()=0
	cause a re-allocation of the complete layout

PixSpan	getPixSpan ()
	the overall horizontal pixel span to cover by this timeline

Public Member Functions inherited from DisplayViewHooks
virtual	~DisplayViewHooks ()
	this is an interface

virtual model::ViewHook< TrackHeadWidget > &	getHeadHook ()=0

virtual model::ViewHook< TrackBody > &	getBodyHook ()=0

virtual model::CanvasHook< Gtk::Widget > &	getClipHook ()=0

Public Member Functions inherited from DisplayMetric
virtual	~DisplayMetric ()
	this is an interface

virtual TimeSpan	coveredTime () const =0
	the overall time Duration covered by this timeline canvas

virtual int	translateTimeToPixels (TimeValue) const =0
	extension point for time axis zoom management.

virtual int	translateScreenDelta (Offset) const =0
	translate a temporal offset into a pixel Δ

virtual TimeValue	applyScreenDelta (Time anchor, double deltaPx) const =0
	translate an offset in pixel coordinates into a temporal position

Additional Inherited Members
Private Member Functions inherited from NonCopyable
	~NonCopyable ()=default

	NonCopyable ()=default

	NonCopyable (NonCopyable const &)=delete

NonCopyable &	operator= (NonCopyable const &)=delete

Constructor & Destructor Documentation

◆ ~DisplayManager()

~DisplayManager ( )

virtual

this is an interface

Definition at line 53 of file display-manager.cpp.

Member Typedef Documentation

◆ SignalStructureChange

using SignalStructureChange = sigc::signal<void>

Definition at line 159 of file display-manager.hpp.

Member Function Documentation

◆ triggerDisplayEvaluation()

virtual void triggerDisplayEvaluation ( )

pure virtual

cause a re-allocation of the complete layout

Referenced by BodyCanvasWidget::maybeRebuildLayout().

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◆ getPixSpan()

PixSpan getPixSpan ( )

inline

the overall horizontal pixel span to cover by this timeline

Definition at line 173 of file display-manager.hpp.

References DisplayMetric::coveredTime(), and DisplayMetric::translateTimeToPixels().

Referenced by BodyCanvasWidget::establishLayout().

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Member Data Documentation

◆ signalStructureChange_

SignalStructureChange signalStructureChange_

signal to be invoked whenever the virtual structure of the corresponding timeline changes, thus necessitating a new arrangement of the timeline layout.

Remarks: connected to BodyCanvasWidget::slotStructureChange, which causes the drawing code to triggerDisplayEvaluation()

Definition at line 168 of file display-manager.hpp.

Referenced by BodyCanvasWidget::BodyCanvasWidget().

Inheritance diagram for DisplayManager:

Collaboration diagram for DisplayManager:

The documentation for this class was generated from the following files: