QGIS API Documentation
2.18.21-Las Palmas (9fba24a)
Main Page
Related Pages
Modules
+
Namespaces
Namespace List
+
Namespace Members
+
All
a
b
c
d
e
f
g
i
l
m
n
o
p
s
t
+
Functions
a
b
c
d
f
g
i
l
m
n
o
p
t
Variables
Typedefs
Enumerations
Enumerator
+
Classes
Class List
Class Index
Class Hierarchy
+
Class Members
+
All
2
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
~
+
Functions
2
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
~
+
Variables
a
b
c
d
e
f
g
h
i
j
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
+
Typedefs
a
e
f
g
h
i
l
m
o
p
r
s
t
u
v
w
+
Enumerations
a
b
c
d
e
f
g
h
i
j
l
m
n
o
p
q
r
s
t
u
v
w
z
+
Enumerator
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
+
Properties
a
b
c
d
e
f
h
i
l
m
n
o
p
r
s
t
u
v
+
Related Functions
a
c
d
e
f
g
l
n
o
p
q
r
s
t
v
+
Files
File List
+
File Members
+
All
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
y
z
+
Functions
_
a
b
c
d
e
f
g
h
i
j
l
m
n
o
p
q
r
s
t
u
v
w
z
+
Variables
a
c
d
e
f
g
h
i
l
m
n
o
p
q
r
s
u
z
+
Typedefs
a
b
c
d
e
f
g
h
i
l
m
n
o
p
q
r
s
t
u
v
Enumerations
Enumerator
+
Macros
a
b
c
d
e
f
h
i
k
l
m
n
o
p
q
r
s
t
u
v
w
y
•
All
Classes
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Properties
Friends
Macros
Modules
Pages
src
gui
qgsmaptoolemitpoint.cpp
Go to the documentation of this file.
1
/***************************************************************************
2
qgsmaptoolemitpoint.cpp - map tool that emits a signal on click
3
---------------------
4
begin : June 2007
5
copyright : (C) 2007 by Martin Dobias
6
email : wonder.sk at gmail dot com
7
***************************************************************************
8
* *
9
* This program is free software; you can redistribute it and/or modify *
10
* it under the terms of the GNU General Public License as published by *
11
* the Free Software Foundation; either version 2 of the License, or *
12
* (at your option) any later version. *
13
* *
14
***************************************************************************/
15
16
17
#include "
qgsmaptoolemitpoint.h
"
18
#include "
qgsmapcanvas.h
"
19
#include <QMouseEvent>
20
21
22
QgsMapToolEmitPoint::QgsMapToolEmitPoint
(
QgsMapCanvas
* canvas )
23
:
QgsMapTool
( canvas )
24
{
25
}
26
27
void
QgsMapToolEmitPoint::canvasMoveEvent
(
QgsMapMouseEvent
* e )
28
{
29
Q_UNUSED( e );
30
}
31
32
void
QgsMapToolEmitPoint::canvasPressEvent
(
QgsMapMouseEvent
* e )
33
{
34
QgsPoint
pnt =
toMapCoordinates
( e->
pos
() );
35
emit
canvasClicked
( pnt, e->
button
() );
36
}
37
38
void
QgsMapToolEmitPoint::canvasReleaseEvent
(
QgsMapMouseEvent
* e )
39
{
40
Q_UNUSED( e );
41
}
QgsMapToolEmitPoint::canvasClicked
void canvasClicked(const QgsPoint &point, Qt::MouseButton button)
signal emitted on canvas click
QgsMapMouseEvent
A QgsMapMouseEvent is the result of a user interaction with the mouse on a QgsMapCanvas.
Definition:
qgsmapmouseevent.h:34
qgsmapcanvas.h
QgsMapToolEmitPoint::QgsMapToolEmitPoint
QgsMapToolEmitPoint(QgsMapCanvas *canvas)
constructor
Definition:
qgsmaptoolemitpoint.cpp:22
QgsMapCanvas
Map canvas is a class for displaying all GIS data types on a canvas.
Definition:
qgsmapcanvas.h:109
QMouseEvent::button
Qt::MouseButton button() const
qgsmaptoolemitpoint.h
QgsMapToolEmitPoint::canvasMoveEvent
virtual void canvasMoveEvent(QgsMapMouseEvent *e) override
Overridden mouse move event.
Definition:
qgsmaptoolemitpoint.cpp:27
QgsPoint
A class to represent a point.
Definition:
qgspoint.h:117
QgsMapTool
Abstract base class for all map tools.
Definition:
qgsmaptool.h:50
QgsMapToolEmitPoint::canvasPressEvent
virtual void canvasPressEvent(QgsMapMouseEvent *e) override
Overridden mouse press event - emits the signal.
Definition:
qgsmaptoolemitpoint.cpp:32
QgsMapToolEmitPoint::canvasReleaseEvent
virtual void canvasReleaseEvent(QgsMapMouseEvent *e) override
Overridden mouse release event.
Definition:
qgsmaptoolemitpoint.cpp:38
QgsMapTool::toMapCoordinates
QgsPoint toMapCoordinates(QPoint point)
transformation from screen coordinates to map coordinates
Definition:
qgsmaptool.cpp:42
QMouseEvent::pos
const QPoint & pos() const
Generated on Sun Jun 24 2018 11:42:48 for QGIS API Documentation by
1.8.13