display::MapDrawingArea Class Reference

Responsible for drawing data provided by DisplayProviders. More...

#include <MapDrawingArea.h>

Public Member Functions
	MapDrawingArea (BaseObjectType *cobject, Glib::RefPtr< Gtk::Builder > const &)
	Constructs a MapDrawingArea.
void	add_dp (int priority, std::shared_ptr< DisplayProvider > dp)
	Adds a DisplayProvider to considered DisplayProviders.
void	set_latitude (double lat)
	Sets latitude to look at.
void	set_longitude (double lon)
	Sets longitude to look at.
int	set_zoom (int zoom)
	Sets zoom level.
int	get_zoom ()
virtual	~MapDrawingArea ()
Data Fields
boost::signal< void(int)>	zoom_changed
	This signal gets signalled when zoom level is changed.
boost::signal< void(std::vector < std::unique_ptr < osm::Element > > const &elem)>	element_clicked
	This signal gets signalled when element is clicked.
Protected Member Functions
bool	on_draw (Cairo::RefPtr< Cairo::Context > const &cr)
bool	on_button_press_event (GdkEventButton *event)
bool	on_button_release_event (GdkEventButton *event)
bool	on_motion_notify_event (GdkEventMotion *event)
bool	on_leave_notify_event (GdkEventCrossing *event)
bool	on_enter_notify_event (GdkEventCrossing *event)
bool	on_scroll_event (GdkEventScroll *event)
void	on_size_allocate (Gtk::Allocation &alloc)

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Detailed Description

Responsible for drawing data provided by DisplayProviders.

Definition at line 25 of file MapDrawingArea.h.

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Constructor & Destructor Documentation

display::MapDrawingArea::MapDrawingArea	(	BaseObjectType *	cobject,
		Glib::RefPtr< Gtk::Builder > const &
	)

Constructs a MapDrawingArea.

Parameters:

cobject

Definition at line 17 of file MapDrawingArea.cpp.

display::MapDrawingArea::~MapDrawingArea

(

)

[virtual]

Definition at line 45 of file MapDrawingArea.cpp.

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Member Function Documentation

void display::MapDrawingArea::add_dp	(	int	priority,
		std::shared_ptr< DisplayProvider >	dp
	)

Adds a DisplayProvider to considered DisplayProviders.

Priority determines order. Lower priorities go first and DisplayElements are not drawn over.

Parameters:

priority
dp

Definition at line 34 of file MapDrawingArea.cpp.

int display::MapDrawingArea::get_zoom

(

)

Returns:

current zoom level

Definition at line 278 of file MapDrawingArea.cpp.

bool display::MapDrawingArea::on_button_press_event

(

GdkEventButton *

event

)

[protected]

Definition at line 57 of file MapDrawingArea.cpp.

bool display::MapDrawingArea::on_button_release_event

(

GdkEventButton *

event

)

[protected]

Definition at line 78 of file MapDrawingArea.cpp.

bool display::MapDrawingArea::on_draw

(

Cairo::RefPtr< Cairo::Context > const &

cr

)

[protected]

Definition at line 49 of file MapDrawingArea.cpp.

bool display::MapDrawingArea::on_enter_notify_event

(

GdkEventCrossing *

event

)

[protected]

Definition at line 107 of file MapDrawingArea.cpp.

bool display::MapDrawingArea::on_leave_notify_event

(

GdkEventCrossing *

event

)

[protected]

Definition at line 102 of file MapDrawingArea.cpp.

bool display::MapDrawingArea::on_motion_notify_event

(

GdkEventMotion *

event

)

[protected]

Definition at line 91 of file MapDrawingArea.cpp.

bool display::MapDrawingArea::on_scroll_event

(

GdkEventScroll *

event

)

[protected]

Definition at line 112 of file MapDrawingArea.cpp.

void display::MapDrawingArea::on_size_allocate

(

Gtk::Allocation &

alloc

)

[protected]

Definition at line 134 of file MapDrawingArea.cpp.

void display::MapDrawingArea::set_latitude

(

double

lat

)

Sets latitude to look at.

Parameters:

lat

Definition at line 268 of file MapDrawingArea.cpp.

void display::MapDrawingArea::set_longitude

(

double

lon

)

Sets longitude to look at.

Parameters:

lon

Definition at line 273 of file MapDrawingArea.cpp.

int display::MapDrawingArea::set_zoom

(

int

zoom

)

Sets zoom level.

Parameters:

zoom

Returns:

zoom level afterwards

Definition at line 260 of file MapDrawingArea.cpp.

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Field Documentation

boost::signal<void (std::vector<std::unique_ptr<osm::Element> > const& elem)> display::MapDrawingArea::element_clicked

This signal gets signalled when element is clicked.

The parameter is a vector of displayed elements that are in the vicinity of point clicked.

Definition at line 70 of file MapDrawingArea.h.

boost::signal<void (int)> display::MapDrawingArea::zoom_changed

This signal gets signalled when zoom level is changed.

The parameter is new zoom level.

Definition at line 65 of file MapDrawingArea.h.

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

• /home/martin/workspace/OpenStreetNav/src/displayer/MapDrawingArea.h
• /home/martin/workspace/OpenStreetNav/src/displayer/MapDrawingArea.cpp