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jfjoch_viewer: mouse events are handled by JFJochImage, but this is not working properly for neither of the modes (TBD)

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This commit is contained in:
leonarski_f
2025-11-07 16:11:34 +01:00
parent 1f37bb3fd6
commit bb58849543
6 changed files with 187 additions and 252 deletions
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viewer/widgets/JFJochDiffractionImage.cpp
+5 -91
View File
@@ -12,57 +12,12 @@
#include <cmath>
#include <QMouseEvent>
#include "JFJochSimpleImage.h"
// Constructor
JFJochDiffractionImage::JFJochDiffractionImage(QWidget *parent) : JFJochImage(parent) {}
void JFJochDiffractionImage::mousePressEvent(QMouseEvent *event) {
if (!scene() || !image) return;
mouse_event_type = MouseEventType::None;
bool mouse_inside_roi = false;
if (roiStartPos != roiEndPos) {
if (roi_type == RoiType::RoiBox) {
QRectF roiRect = QRectF(roiStartPos, roiEndPos).normalized();
mouse_inside_roi = roiRect.contains(mapToScene(event->pos()));
} else {
auto curr_position = mapToScene(event->pos());
auto delta = roiStartPos - curr_position;
auto radius_vec = roiStartPos - roiEndPos;
auto radius_2 = radius_vec.x() * radius_vec.x() + radius_vec.y() * radius_vec.y();
mouse_inside_roi = (delta.x() * delta.x() + delta.y() * delta.y() < radius_2);
}
}
if (event->button() == Qt::LeftButton) {
if (event->modifiers() & Qt::Modifier::SHIFT) {
setCursor(Qt::CursorShape::CrossCursor);
if (mouse_inside_roi) {
roiEndPos = RoundPoint(mapToScene(event->pos()));
} else {
roiStartPos = RoundPoint(mapToScene(event->pos()));
roi_type = (event->modifiers() & Qt::Modifier::CTRL) ? RoiType::RoiCircle : RoiType::RoiBox;
}
mouse_event_type = MouseEventType::DrawingROI;
} else {
setCursor(Qt::ClosedHandCursor); // Change cursor to indicate panning
lastMousePos = event->pos();
if (mouse_inside_roi)
mouse_event_type = MouseEventType::MovingROI;
else
mouse_event_type = MouseEventType::Panning;
}
}
QGraphicsView::mousePressEvent(event); // Call base implementation
}
// Handle panning while moving the mouse
void JFJochDiffractionImage::mouseMoveEvent(QMouseEvent *event) {
if (!scene() || !image) return;
void JFJochDiffractionImage::mouseHover(QMouseEvent *event) {
auto coord = mapToScene(event->pos());
if (image && (coord.x() >= 0)
@@ -91,50 +46,9 @@ void JFJochDiffractionImage::mouseMoveEvent(QMouseEvent *event) {
.arg(coord.y(), 0, 'f', 1)
.arg(intensity_str)
.arg(res, 0, 'f', 2));
} else
emit writeStatusBar("");
} else
emit writeStatusBar("");
QPointF delta;
switch (mouse_event_type) {
case MouseEventType::Panning:
delta = coord - mapToScene(lastMousePos);
lastMousePos = event->pos();
translate(delta.x(), delta.y()); // Adjust the view's pan
updateOverlay();
break;
case MouseEventType::DrawingROI:
roiEndPos = RoundPoint(coord);
updateROI();
break;
case MouseEventType::MovingROI:
delta = coord - mapToScene(lastMousePos);
roiStartPos += delta;
roiEndPos += delta;
lastMousePos = event->pos();
updateROI();
break;
default:
break;
}
QGraphicsView::mouseMoveEvent(event);
}
void JFJochDiffractionImage::mouseReleaseEvent(QMouseEvent *event) {
if (!scene() || !image) return;
setCursor(Qt::CursorShape::ArrowCursor);
if (mouse_event_type == MouseEventType::MovingROI) {
if (roi_type == RoiType::RoiBox) {
roiStartPos = RoundPoint(roiStartPos);
roiEndPos = RoundPoint(roiEndPos);
}
updateROI();
}
mouse_event_type = MouseEventType::None;
QGraphicsView::mouseReleaseEvent(event);
}
void JFJochDiffractionImage::LoadImageInternal() {