Create a dialog to show the list of markers, and handle their visibility

laserstudio/widgets/toolbars/markerslistdialog.py

@@ -0,0 +1,93 @@
+from PyQt6.QtCore import Qt
+from PyQt6.QtGui import QColor
+from PyQt6.QtWidgets import QPushButton, QDialog, QTreeWidget, QTreeWidgetItem, QVBoxLayout, QHBoxLayout
+from ..viewer import Viewer
+from ..marker import Marker
+
+class MarkerListItem(QTreeWidgetItem):
+    def __init__(self, group: QTreeWidgetItem, marker: Marker):
+        super().__init__(group)
+        x, y  = marker.pos().x(), marker.pos().y()
+        self.marker = marker
+        self.setCheckState(0, Qt.CheckState.Checked if marker.isVisible() else Qt.CheckState.Unchecked)
+        self.setText(0, f"{x:.02f}µm {y:.02f}µm")
+        self.setForeground(0, marker.fillcolor)
+
+class MarkerListDialog(QDialog):
+    def open(self):
+        super().open()
+        self.refresh_list()
+        self.activateWindow()
+
+    def show_selected(self):
+        for item in self.list.selectedItems():
+            item.setCheckState(0, Qt.CheckState.Checked)
+
+    def hide_selected(self):
+        for item in self.list.selectedItems():
+            item.setCheckState(0, Qt.CheckState.Unchecked)
+
+    def refresh_list(self):
+        self.list.clear()
+        markers_by_colors: dict[str, list[Marker]] = {}
+        for marker in self.viewer.markers:
+            if type(marker.fillcolor) is QColor:
+                name: str = f"{marker.fillcolor.hue():02x}{marker.fillcolor.saturation():02x}{marker.fillcolor.lightness():02x}{marker.fillcolor.alpha():02x}"
+            else:
+                name = str(marker.color)
+            if name not in markers_by_colors:
+                markers_by_colors[name] = [marker]
+            else:
+                markers_by_colors[name].append(marker)
+        for color in sorted(markers_by_colors.keys()):
+            markers = markers_by_colors[color]
+            group = QTreeWidgetItem(self.list)
+            group.setForeground(0, markers[0].fillcolor)
+            group.setText(0, f"{len(markers)} marker(s)")
+            group.setCheckState(0, Qt.CheckState.Checked)
+
+            for marker in markers:
+                MarkerListItem(group, marker)
+
+    def __init__(self, viewer: Viewer):
+        super().__init__()
+        self.viewer = viewer
+        self.list = QTreeWidget()
+        self.list.setHeaderHidden(True)
+        self.list.setSelectionMode(QTreeWidget.SelectionMode.ExtendedSelection)
+        self.list.itemChanged.connect(self.item_changed)
+
+        vbox = QVBoxLayout()
+        self.setLayout(vbox)
+
+        w = QPushButton("Refresh")
+        w.clicked.connect(self.refresh_list)
+        vbox.addWidget(w)
+
+        hbox = QHBoxLayout()
+        w = QPushButton("Show")
+        w.clicked.connect(self.show_selected)
+        hbox.addWidget(w)
+        w = QPushButton("Hide")
+        w.clicked.connect(self.hide_selected)
+        hbox.addWidget(w)
+        vbox.addLayout(hbox)
+
+        vbox.addWidget(self.list)
+
+        self.list.itemDoubleClicked.connect(self.show_marker)
+
+    def show_marker(self, item: QTreeWidgetItem):
+        if isinstance(item, MarkerListItem):
+            self.viewer.follow_stage_sight = False
+            self.viewer.cam_pos_zoom = item.marker.pos(), self.viewer.cam_pos_zoom[1]
+
+    def item_changed(self, item: QTreeWidgetItem):
+        if isinstance(item, MarkerListItem):
+            item.marker.setVisible(item.checkState(0) == Qt.CheckState.Checked)
+        else:
+            for i in range(item.childCount()):
+                child = item.child(i)
+                if child is None: continue
+                child.setCheckState(0, item.checkState(0))
+

laserstudio/widgets/toolbars/markerstoolbar.py

@@ -5,7 +5,7 @@
 from ..return_line_edit import ReturnSpinBox
 from ...utils.util import colored_image
 from ..viewer import Viewer
-
+from .markerslistdialog import MarkerListDialog
 
 class MarkersToolbar(QToolBar):
     def __init__(self, viewer: Viewer):
@@ -43,3 +43,13 @@ def __init__(self, viewer: Viewer):
             lambda: viewer.marker_size(float(self.marker_size_sp.value()))
         )
         self.addWidget(self.marker_size_sp)
+
+        # Markers categories
+        self.makers_list_dialog = MarkerListDialog(viewer)
+        self.makers_list_dialog.setModal(False)
+        self.makers_list_dialog.setWindowTitle("Markers list")
+
+        self.show_list = w = QPushButton("Show List")
+        w.clicked.connect(lambda: self.makers_list_dialog.open())  
+
+        self.addWidget(w)