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Add ability to install event handlers from mouse picking

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This commit is contained in:
Dan Paulat 2024-01-13 23:16:38 -06:00
parent ff882f5c06
commit b3e035c53d
26 changed files with 222 additions and 76 deletions
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58
scwx-qt/source/scwx/qt/map/map_widget.cpp
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@ -98,7 +98,6 @@ public:
// Initialize ImGui Qt backend
ImGui_ImplQt_Init();
ImGui_ImplQt_RegisterWidget(widget_);
// Set Map Provider Details
mapProvider_ = GetMapProvider(generalSettings.map_provider().GetValue());
@ -204,6 +203,8 @@ public:
const MapStyle* currentStyle_;
std::string initialStyleName_ {};
std::shared_ptr<types::EventHandler> pickedEventHandler_ {nullptr};
uint64_t frameDraws_;
double prevLatitude_;
@ -979,6 +980,17 @@ void MapWidgetImpl::AddLayer(const std::string& id,
}
}
bool MapWidget::event(QEvent* e)
{
if (p->pickedEventHandler_ != nullptr &&
p->pickedEventHandler_->event_ != nullptr)
{
p->pickedEventHandler_->event_(e);
}
return QOpenGLWidget::event(e);
}
void MapWidget::enterEvent(QEnterEvent* /* ev */)
{
p->hasMouse_ = true;
@ -1083,6 +1095,7 @@ void MapWidget::initializeGL()
// Initialize ImGui OpenGL3 backend
ImGui::SetCurrentContext(p->imGuiContext_);
ImGui_ImplQt_RegisterWidget(this);
ImGui_ImplOpenGL3_Init();
p->imGuiFontsBuildCount_ =
manager::FontManager::Instance().imgui_fonts_build_count();
@ -1209,7 +1222,8 @@ void MapWidgetImpl::RunMousePicking()
util::maplibre::LatLongToScreenCoordinate(coordinate);
// For each layer in reverse
bool itemPicked = false;
bool itemPicked = false;
std::shared_ptr<types::EventHandler> eventHandler = nullptr;
for (auto it = genericLayers_.rbegin(); it != genericLayers_.rend(); ++it)
{
// Run mouse picking for each layer
@ -1217,7 +1231,8 @@ void MapWidgetImpl::RunMousePicking()
lastPos_,
lastGlobalPos_,
mouseScreenCoordinate,
{coordinate.first, coordinate.second}))
{coordinate.first, coordinate.second},
eventHandler))
{
// If a draw item was picked, don't process additional layers
itemPicked = true;
@ -1229,6 +1244,43 @@ void MapWidgetImpl::RunMousePicking()
if (!itemPicked)
{
util::tooltip::Hide();
if (pickedEventHandler_ != nullptr)
{
// Send leave event to picked event handler
if (pickedEventHandler_->event_ != nullptr)
{
QEvent event(QEvent::Type::Leave);
pickedEventHandler_->event_(&event);
}
// Reset picked event handler
pickedEventHandler_ = nullptr;
}
}
else if (eventHandler != nullptr)
{
// If the event handler changed
if (pickedEventHandler_ != eventHandler)
{
// Send leave event to old event handler
if (pickedEventHandler_ != nullptr &&
pickedEventHandler_->event_ != nullptr)
{
QEvent event(QEvent::Type::Leave);
pickedEventHandler_->event_(&event);
}
// Send enter event to new event handler
if (eventHandler->event_ != nullptr)
{
QEvent event(QEvent::Type::Enter);
eventHandler->event_(&event);
}
// Store picked event handler
pickedEventHandler_ = eventHandler;
}
}
Q_EMIT widget_->MouseCoordinateChanged(