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Code Issues Releases Activity

Tidied up the zoom code in the map widget plug-in.

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git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1719 ebee16cc-31ac-478f-84a7-5cbb03baadba
This commit is contained in:
pip 2010-09-22 08:42:38 +00:00 committed by pip
parent 3dec1b4105
commit c734584b01
1 changed files with 49 additions and 23 deletions
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72
ground/src/plugins/opmap/opmapgadgetwidget.cpp
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@ -38,6 +38,11 @@
// *************************************************************************************
#define minimum_zoom 2 // minimum allowed zoom level
#define maximum_zoom 19 // maximum allowed zoom level
// *************************************************************************************
// constructor
OPMapGadgetWidget::OPMapGadgetWidget(QWidget *parent) : QWidget(parent)
{
@ -76,24 +81,30 @@ OPMapGadgetWidget::OPMapGadgetWidget(QWidget *parent) : QWidget(parent)
// **************
// create the central map widget
m_map = new mapcontrol::OPMapWidget();
m_map = new mapcontrol::OPMapWidget(); // create the map object
m_map->setFrameStyle(QFrame::NoFrame); // no border frame
m_map->setBackgroundBrush(Qt::black); // black background
m_map->configuration->DragButton = Qt::LeftButton; // use the left mouse button for map dragging
m_map->SetMinZoom(2);
// m_map->SetMaxZoom(19);
m_map->configuration->DragButton = Qt::LeftButton; // use the left mouse button for map dragging
m_map->SetMinZoom(minimum_zoom);
// m_map->SetMaxZoom(maximum_zoom); // set the maximum zoom level
m_widget->horizontalSliderZoom->setMinimum(minimum_zoom); //
m_widget->horizontalSliderZoom->setMaximum(m_map->MaxZoom()); // set the widget zoom slider maximum value to the map objects maximum zoom value
m_map->SetMouseWheelZoomType(internals::MouseWheelZoomType::MousePositionWithoutCenter); // set how the mouse wheel zoom functions
m_map->SetFollowMouse(true); // we want a contiuous mouse position reading
m_map->SetShowHome(true); // display the HOME position on the map
m_map->SetShowUAV(true); // display the UAV position on the map
m_map->SetFollowMouse(true); // we want a contiuous mouse position reading
// m_map->UAV->SetTrailTime(1); // seconds
// m_map->UAV->SetTrailDistance(0.1); // kilometers
m_map->SetShowHome(true); // display the HOME position on the map
m_map->SetShowUAV(true); // display the UAV position on the map
m_map->UAV->SetTrailType(UAVTrailType::ByTimeElapsed);
// m_map->UAV->SetTrailType(UAVTrailType::ByDistance);
m_map->UAV->SetTrailTime(0.5); // seconds
m_map->UAV->SetTrailDistance(0.01); // kilometers
// m_map->UAV->SetTrailType(UAVTrailType::ByTimeElapsed);
m_map->UAV->SetTrailType(UAVTrailType::ByDistance);
// **************
@ -552,18 +563,25 @@ void OPMapGadgetWidget::updateMousePos()
void OPMapGadgetWidget::zoomChanged(double zoom)
{
if (!m_widget)
return;
int min_zoom = m_widget->horizontalSliderZoom->minimum(); // minimum zoom we can accept
int max_zoom = m_widget->horizontalSliderZoom->maximum(); // maximum zoom we can accept
int i_zoom = (int)(zoom + 0.5);
if (i_zoom < 2 || i_zoom > 19) return;
if (m_widget)
{
// m_widget->labelZoom->setText(" " + QString::number(zoom));
if (m_widget->horizontalSliderZoom->value() != i_zoom)
m_widget->horizontalSliderZoom->setValue(i_zoom);
}
if (i_zoom < min_zoom) i_zoom = min_zoom;
else
if (i_zoom > max_zoom) i_zoom = max_zoom;
if (i_zoom - 2 < zoomAct.count())
zoomAct.at(i_zoom - 2)->setChecked(true);
// m_widget->labelZoom->setText(" " + QString::number(zoom));
if (m_widget->horizontalSliderZoom->value() != i_zoom)
m_widget->horizontalSliderZoom->setValue(i_zoom); // set the GUI zoom slider position
int index0_zoom = i_zoom - min_zoom; // zoom level starting at index level '0'
if (index0_zoom < zoomAct.count())
zoomAct.at(index0_zoom)->setChecked(true); // set the right-click context menu zoom level
}
void OPMapGadgetWidget::OnMapDrag()
@ -1023,7 +1041,8 @@ void OPMapGadgetWidget::createActions()
zoomActGroup = new QActionGroup(this);
connect(zoomActGroup, SIGNAL(triggered(QAction *)), this, SLOT(onZoomActGroup_triggered(QAction *)));
zoomAct.clear();
for (int i = 2; i <= 19; i++)
int max_zoom = m_widget->horizontalSliderZoom->maximum();
for (int i = minimum_zoom; i <= max_zoom; i++)
{
QAction *zoom_act = new QAction(QString::number(i), zoomActGroup);
zoom_act->setCheckable(true);
@ -1140,10 +1159,17 @@ void OPMapGadgetWidget::onGoZoomOutAct_triggered()
void OPMapGadgetWidget::onZoomActGroup_triggered(QAction *action)
{
if (!action) return;
if (!m_widget || !action)
return;
int min_zoom = m_widget->horizontalSliderZoom->minimum(); // minimum zoom we can accept
int max_zoom = m_widget->horizontalSliderZoom->maximum(); // maximum zoom we can accept
int zoom = action->data().toInt();
if (zoom < 2 || zoom > 19) return;
if (zoom < min_zoom) zoom = min_zoom;
else
if (zoom > max_zoom) zoom = max_zoom;
setZoom(zoom);
}