cadabra::ImageView Class Reference

Description

An image viewing widget.

#include <ImageView.hh>

Inheritance diagram for cadabra::ImageView:

Public Member Functions
	ImageView (double display_scale, int logical_width)
virtual	~ImageView ()
void	on_save_as () const
void	on_pointer_motion (double x, double y)
	Drag-to-resize, shared between the toolkits.
virtual bool	on_motion_notify_event (GdkEventMotion *event) override
void	on_button_pressed (int n_press, double x, double y)
	Button handling goes through a gesture controller rather than the on_button_{press,release}_event vfuncs, which are removed in GTK4.
void	on_button_released (int n_press, double x, double y)
void	set_image_from_base64 (const std::string &b64)
void	set_image_from_svg (const std::string &svg)

Private Attributes
ImageArea	area
bool	sizing
double	prev_x
double	prev_y
int	height_at_press
int	width_at_press
cdb::ContextMenu	context_menu
Glib::RefPtr< cdb::ClickGesture >	click_gesture

Constructor & Destructor Documentation

ImageView()

ImageView::ImageView	(	double	display_scale,
		int	logical_width
	)

~ImageView()

ImageView::~ImageView ( )

virtual

Member Function Documentation

on_button_pressed()

void ImageView::on_button_pressed	(	int	n_press,
		double	x,
		double	y
	)

Button handling goes through a gesture controller rather than the on_button_{press,release}_event vfuncs, which are removed in GTK4.

Motion is still a vfunc: gtkmm-3 has no EventControllerMotion.

on_button_released()

void ImageView::on_button_released	(	int	n_press,
		double	x,
		double	y
	)

on_motion_notify_event()

bool ImageView::on_motion_notify_event ( GdkEventMotion *  event )

overridevirtual

on_pointer_motion()

void ImageView::on_pointer_motion	(	double	x,
		double	y
	)

Drag-to-resize, shared between the toolkits.

Drag-to-resize.

Shared between gtkmm-3's on_motion_notify_event vfunc and GTK4's Gtk::EventControllerMotion, which gtkmm-3 does not wrap.

on_save_as()

void ImageView::on_save_as

(

)

const

set_image_from_base64()

void ImageView::set_image_from_base64

(

const std::string &

b64

)

set_image_from_svg()

void ImageView::set_image_from_svg

(

const std::string &

svg

)

Member Data Documentation

area

ImageArea cadabra::ImageView::area

private

click_gesture

Glib::RefPtr<cdb::ClickGesture> cadabra::ImageView::click_gesture

private

context_menu

cdb::ContextMenu cadabra::ImageView::context_menu

private

height_at_press

int cadabra::ImageView::height_at_press

private

prev_x

double cadabra::ImageView::prev_x

private

prev_y

double cadabra::ImageView::prev_y

private

sizing

bool cadabra::ImageView::sizing

private

width_at_press

int cadabra::ImageView::width_at_press

private

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

• frontend/gtkmm/ImageView.hh
• frontend/gtkmm/ImageView.cc