This class implements a concrete tool to geographic zoom operation using the mouse wheel. More...
#include <ZoomWheel.h>
Public Types | |
enum | ZoomType { In, Out } |
Defines the zoom type. More... | |
Public Member Functions | |
void | applyZoom (const QPointF &point=QPointF()) |
Performs the zoom operation on map display, considering the zoom factor, zoom type and the given point. More... | |
virtual void | setCursor (const QCursor &cursor) |
It sets the tool cursor. More... | |
void | setZoomType (const ZoomType &type) |
Sets the zoom operation type. More... | |
Initializer Methods | |
Methods related to instantiation and destruction. | |
ZoomWheel (MapDisplay *display, const double &zoomFactor=2.0, QObject *parent=0) | |
It constructs a zoom wheel tool associated with the given map display. More... | |
~ZoomWheel () | |
Destructor. More... | |
AbstractTool Methods | |
Methods related with tool behavior. | |
bool | eventFilter (QObject *watched, QEvent *e) |
Filters events if this object has been installed as an event filter for the watched object. More... | |
AbstractTool Methods | |
Methods related with tool behavior. | |
virtual bool | mousePressEvent (QMouseEvent *e) |
This event handler can be reimplemented in a concrete tool class to receive mouse press events for the watched object. More... | |
virtual bool | mouseMoveEvent (QMouseEvent *e) |
This event handler can be reimplemented in a concrete tool class to receive mouse move events for the watched object. More... | |
virtual bool | mouseReleaseEvent (QMouseEvent *e) |
This event handler can be reimplemented in a concrete tool class to receive mouse release events for the watched object. More... | |
virtual bool | mouseDoubleClickEvent (QMouseEvent *e) |
This event handler can be reimplemented in a concrete tool class to receive mouse double click events for the watched object. More... | |
Protected Attributes | |
QCursor | m_cursor |
The default tool cursor. More... | |
MapDisplay * | m_display |
The map display associated with the tool. More... | |
double | m_zoomFactor |
Factor used to zoom. i.e. A factor value of 2.0 (default) will generate a new extent twice (%) bigger or smaller, depending of ZoomType. More... | |
ZoomType | m_zoomType |
Enum that indicates the zoom type. More... | |
This class implements a concrete tool to geographic zoom operation using the mouse wheel.
Definition at line 49 of file ZoomWheel.h.
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inherited |
te::qt::widgets::ZoomWheel::ZoomWheel | ( | MapDisplay * | display, |
const double & | zoomFactor = 2.0 , |
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QObject * | parent = 0 |
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It constructs a zoom wheel tool associated with the given map display.
display | The map display associated with the tool. |
zoomFactor | The factor used to zoom. i.e. A factor value of 2.0 (default) will generate a new extent twice (%) bigger or smaller. |
parent | The tool's parent. |
Definition at line 34 of file ZoomWheel.cpp.
te::qt::widgets::ZoomWheel::~ZoomWheel | ( | ) |
Destructor.
Definition at line 39 of file ZoomWheel.cpp.
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inherited |
Performs the zoom operation on map display, considering the zoom factor, zoom type and the given point.
point | A point in world coordinates. |
Definition at line 48 of file Zoom.cpp.
References te::gm::Envelope::getCenter(), te::gm::Envelope::getHeight(), te::gm::Envelope::getWidth(), te::gm::Envelope::isValid(), te::gm::Coord2D::x, and te::gm::Coord2D::y.
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virtual |
Filters events if this object has been installed as an event filter for the watched object.
watched | The watched object. |
event | The last event sent to watched object. |
Reimplemented from te::qt::widgets::AbstractTool.
Definition at line 43 of file ZoomWheel.cpp.
References te::qt::widgets::AbstractTool::eventFilter().
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virtualinherited |
This event handler can be reimplemented in a concrete tool class to receive mouse double click events for the watched object.
e | The mouse event. |
Reimplemented in te::edit::VertexTool, te::qt::widgets::Measure, te::edit::CreateLineTool, te::edit::CreatePolygonTool, te::edit::MoveGeometryTool, and te::qt::widgets::PolygonAcquire.
Definition at line 93 of file AbstractTool.cpp.
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virtualinherited |
This event handler can be reimplemented in a concrete tool class to receive mouse move events for the watched object.
e | The mouse event. |
Reimplemented in te::edit::VertexTool, te::qt::widgets::Measure, te::qt::widgets::Selection, te::edit::CreateLineTool, te::edit::CreatePolygonTool, te::edit::MoveGeometryTool, te::qt::widgets::PolygonAcquire, te::qt::widgets::PanExtent, te::qt::widgets::ExtentAcquire, te::qt::widgets::RubberBand, te::qt::widgets::CoordTracking, te::qt::widgets::Pan, and te::qt::widgets::ZoomArea.
Definition at line 83 of file AbstractTool.cpp.
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virtualinherited |
This event handler can be reimplemented in a concrete tool class to receive mouse press events for the watched object.
e | The mouse event. |
Reimplemented in te::edit::VertexTool, te::qt::widgets::Measure, te::qt::widgets::Selection, te::edit::CreateLineTool, te::edit::CreatePolygonTool, te::edit::MoveGeometryTool, te::qt::widgets::PolygonAcquire, te::qt::widgets::PanExtent, te::qt::widgets::ExtentAcquire, te::qt::widgets::RubberBand, te::qt::widgets::Pan, te::qt::widgets::ZoomClick, te::qt::widgets::ZoomArea, and te::qt::widgets::ZoomLeftAndRightClick.
Definition at line 78 of file AbstractTool.cpp.
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virtualinherited |
This event handler can be reimplemented in a concrete tool class to receive mouse release events for the watched object.
e | The mouse event. |
Reimplemented in te::edit::VertexTool, te::qt::widgets::Measure, te::qt::widgets::Info, te::qt::widgets::Selection, te::edit::CreateLineTool, te::edit::CreatePolygonTool, te::edit::MoveGeometryTool, te::qt::widgets::PolygonAcquire, te::qt::widgets::PanExtent, te::qt::widgets::ExtentAcquire, te::qt::widgets::RubberBand, te::qt::widgets::Pan, te::qt::widgets::ZoomArea, te::qt::widgets::PointPicker, and te::qt::widgets::ReadPixelTool.
Definition at line 88 of file AbstractTool.cpp.
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virtualinherited |
It sets the tool cursor.
cursor | The cursor that will be used during the tool operation. |
Definition at line 98 of file AbstractTool.cpp.
Referenced by te::edit::CreateLineTool::CreateLineTool(), te::edit::CreatePolygonTool::CreatePolygonTool(), te::qt::widgets::ExtentAcquire::ExtentAcquire(), te::qt::widgets::Info::Info(), te::qt::widgets::Measure::Measure(), te::qt::widgets::Pan::Pan(), te::qt::widgets::PanExtent::PanExtent(), te::qt::widgets::PointPicker::PointPicker(), te::qt::widgets::Selection::Selection(), te::qt::widgets::ZoomArea::ZoomArea(), and te::qt::widgets::ZoomClick::ZoomClick().
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inherited |
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protectedinherited |
The default tool cursor.
Definition at line 161 of file AbstractTool.h.
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protectedinherited |
The map display associated with the tool.
Definition at line 160 of file AbstractTool.h.
Referenced by te::qt::widgets::AbstractTool::AbstractTool(), te::qt::widgets::CoordTracking::CoordTracking(), te::edit::CreateLineTool::CreateLineTool(), te::edit::CreatePolygonTool::CreatePolygonTool(), te::qt::widgets::Measure::Measure(), te::edit::MoveGeometryTool::MoveGeometryTool(), te::qt::widgets::PolygonAcquire::PolygonAcquire(), te::edit::VertexTool::VertexTool(), and te::qt::widgets::ZoomKeyboard::ZoomKeyboard().
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protectedinherited |
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protectedinherited |