Interface mockup 4

src/interface/CMakeLists.txt

@@ -29,8 +29,8 @@ set(INTERFACE_FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/MainWindow.h
     ${CMAKE_CURRENT_SOURCE_DIR}/components/SvgIcon.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/components/SvgIcon.h
-    ${CMAKE_CURRENT_SOURCE_DIR}/components/CollapsibleSection.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/components/Section.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/components/CollapsibleSection.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/components/Section.h
     ${CMAKE_CURRENT_SOURCE_DIR}/components/PanelChrome.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/components/PanelChrome.h
     ${CMAKE_CURRENT_SOURCE_DIR}/panels/models/ModelsPanelTypes.h
@@ -38,6 +38,8 @@ set(INTERFACE_FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/panels/models/ModelsPanelWidget.h
     ${CMAKE_CURRENT_SOURCE_DIR}/panels/models/ModelsPanelView.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/panels/models/ModelsPanelView.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/panels/todo/TodoPanelWidget.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/panels/todo/TodoPanelWidget.h
     ${CMAKE_CURRENT_SOURCE_DIR}/panels/properties/PropertiesPanelTypes.h
     ${CMAKE_CURRENT_SOURCE_DIR}/panels/properties/PropertiesPanelWidget.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/panels/properties/PropertiesPanelWidget.h

src/interface/MainWindow.cpp

@@ -25,6 +25,7 @@
 #include "../ifcviewer/ViewportWindow.h"
 #include "components/PanelChrome.h"
 #include "components/SvgIcon.h"
+#include "panels/todo/TodoPanelWidget.h"
 #include "panels/models/ModelsPanelView.h"
 #include "panels/models/ModelsPanelWidget.h"
 #include "panels/properties/PropertiesPanelView.h"
@@ -155,6 +156,9 @@ void MainWindow::setupChrome() {
             border: 1px solid #3e444e;
             border-radius: 3px;
         }
+        QWidget#panelBody {
+            background: #2b2f36;
+        }
         QTreeWidget, QListWidget, QTableWidget, QAbstractScrollArea {
             background: #2b2f36;
             border: none;
@@ -268,10 +272,10 @@ void MainWindow::setupChrome() {
         QGroupBox#propertySetCard > QWidget {
             background: #26292f;
         }
-        QWidget#inspectorSection {
+        QWidget#panelSection {
             background: transparent;
         }
-        QWidget#inspectorFilterWrapper {
+        QWidget#panelSectionFilterWrapper {
             background: transparent;
         }
         QWidget#relationshipRow {
@@ -283,7 +287,10 @@ void MainWindow::setupChrome() {
         QWidget#inspectorPanel {
             background: #2b2f36;
         }
-        QToolButton#inspectorSectionButton {
+        QFrame#panelSectionHeader {
+            background: #26292f;
+        }
+        QToolButton#panelSectionHeaderButton {
             background: transparent;
             border: none;
             color: #e1e7f0;
@@ -292,25 +299,22 @@ void MainWindow::setupChrome() {
             padding: 2px;
             margin: 0;
         }
-        QToolButton#inspectorSectionButton:hover {
+        QToolButton#panelSectionHeaderButton:hover {
             color: #ffffff;
         }
-        QToolButton#inspectorSectionButton::menu-indicator {
+        QToolButton#panelSectionHeaderButton::menu-indicator {
             image: none;
             width: 0;
         }
-        QFrame#inspectorSectionHeader {
+        QToolButton#panelSectionFilterToggle {
-            background: #26292f;
-        }
-        QToolButton#inspectorFilterToggle {
             background: transparent;
             border: none;
             padding: 2px;
         }
-        QToolButton#inspectorFilterToggle:hover {
+        QToolButton#panelSectionFilterToggle:hover {
             background: #353a42;
         }
-        QWidget#inspectorSectionBody {
+        QWidget#panelSectionBody {
             background: transparent;
         }
         QLabel#propertyKeyLabel {
@@ -325,6 +329,16 @@ void MainWindow::setupChrome() {
             color: #dce2eb;
             background: transparent;
         }
+        QLabel#todoPanelTitle {
+            font-size: 14px;
+            font-weight: 600;
+            color: #e1e6ee;
+            background: transparent;
+        }
+        QLabel#todoPanelBody {
+            color: #8f98a6;
+            background: transparent;
+        }
     )");
 }
 
@@ -363,19 +377,7 @@ QWidget* MainWindow::makeRibbonGroup(const QString& title, const QList<QToolButt
 }
 
 QWidget* MainWindow::makeComingSoonPanel(const QString& title) {
-    auto* widget = new QWidget(this);
+    return new panels::todo::TodoPanelWidget(title, this);
-    auto* layout = new QVBoxLayout(widget);
-    layout->setContentsMargins(12, 12, 12, 12);
-    auto* heading = new QLabel(title, widget);
-    heading->setStyleSheet("font-size:14px; font-weight:600; color:#e1e6ee;");
-    auto* body = new QLabel("Coming soon", widget);
-    body->setAlignment(Qt::AlignCenter);
-    body->setStyleSheet("color:#8f98a6;");
-    layout->addWidget(heading);
-    layout->addStretch(1);
-    layout->addWidget(body);
-    layout->addStretch(1);
-    return widget;
 }
 
 void MainWindow::setStatusMessage(const QString& mode, const QString& detail) {
@@ -661,7 +663,7 @@ void MainWindow::setupDocks() {
     spatial_dock_ = components::panel::makeDock(
         "Spatial Hierarchy", components::panel::wrapPanel(spatial_panel), this);
     properties_dock_ = components::panel::makeDock(
-        "Properties", components::panel::wrapInspectorPanel(properties_panel), this);
+        "Properties", components::panel::wrapPanel(properties_panel), this);
     layers_dock_ = components::panel::makeDock(
         "Layers", components::panel::wrapPanel(makeComingSoonPanel("Layers")), this);
     stored_views_dock_ = components::panel::makeDock(

src/interface/components/CollapsibleSection.cpp

@@ -1,113 +0,0 @@
-// This file was generated with the assistance of an AI coding tool.
-/********************************************************************************
- *                                                                              *
- * This file is part of IfcOpenShell.                                           *
- *                                                                              *
- * IfcOpenShell is free software: you can redistribute it and/or modify         *
- * it under the terms of the Lesser GNU General Public License as published by  *
- * the Free Software Foundation, either version 3.0 of the License, or          *
- * (at your option) any later version.                                          *
- *                                                                              *
- * IfcOpenShell is distributed in the hope that it will be useful,              *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of               *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 *
- * Lesser GNU General Public License for more details.                          *
- *                                                                              *
- * You should have received a copy of the Lesser GNU General Public License     *
- * along with this program. If not, see <http://www.gnu.org/licenses/>.         *
- *                                                                              *
- ********************************************************************************/
-
-#include "CollapsibleSection.h"
-
-#include "SvgIcon.h"
-
-#include <QFrame>
-#include <QHBoxLayout>
-#include <QLineEdit>
-#include <QToolButton>
-#include <QVBoxLayout>
-
-namespace ifcinterface::components::inspector {
-
-namespace {
-
-QWidget* makeInspectorFilterField(const QString& placeholder, QWidget* parent = nullptr) {
-    auto* field = new QLineEdit(parent);
-    field->setPlaceholderText(placeholder);
-    field->setClearButtonEnabled(true);
-    field->addAction(icons::makePanelSvgIcon(":/icons/filter.svg"), QLineEdit::LeadingPosition);
-    return field;
-}
-
-} // namespace
-
-CollapsibleSection::CollapsibleSection(const QString& title, const QString& filter_placeholder, QWidget* parent)
-    : QWidget(parent)
-{
-    setObjectName("inspectorSection");
-    auto* layout = new QVBoxLayout(this);
-    layout->setContentsMargins(0, 0, 0, 0);
-    layout->setSpacing(6);
-
-    auto* header = new QFrame(this);
-    header->setObjectName("inspectorSectionHeader");
-    auto* header_layout = new QHBoxLayout(header);
-    header_layout->setContentsMargins(0, 0, 0, 0);
-    header_layout->setSpacing(6);
-
-    auto* toggle = new QToolButton(header);
-    toggle->setObjectName("inspectorSectionButton");
-    toggle->setText(title);
-    toggle->setCheckable(true);
-    toggle->setChecked(true);
-    toggle->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
-    toggle->setArrowType(Qt::DownArrow);
-    header_layout->addWidget(toggle);
-    header_layout->addStretch(1);
-
-    if (!filter_placeholder.isEmpty()) {
-        auto* filter_toggle = new QToolButton(header);
-        filter_toggle->setObjectName("inspectorFilterToggle");
-        filter_toggle->setCheckable(true);
-        filter_toggle->setIcon(icons::makePanelSvgIcon(":/icons/filter.svg"));
-        filter_toggle->setAutoRaise(true);
-        header_layout->addWidget(filter_toggle);
-
-        filter_field_ = qobject_cast<QLineEdit*>(makeInspectorFilterField(filter_placeholder, this));
-        filter_field_->setVisible(false);
-        connect(filter_toggle, &QToolButton::toggled, filter_field_, [this](bool visible) {
-            filter_field_->setVisible(visible);
-            if (visible) filter_field_->setFocus();
-        });
-    }
-
-    body_ = new QWidget(this);
-    body_->setObjectName("inspectorSectionBody");
-    body_layout_ = new QVBoxLayout(body_);
-    body_layout_->setContentsMargins(10, 6, 10, 0);
-    body_layout_->setSpacing(6);
-
-    connect(toggle, &QToolButton::toggled, body_, [toggle, this](bool expanded) {
-        toggle->setArrowType(expanded ? Qt::DownArrow : Qt::RightArrow);
-        body_->setVisible(expanded);
-    });
-
-    layout->addWidget(header);
-    if (filter_field_) {
-        auto* filter_wrapper = new QWidget(this);
-        filter_wrapper->setObjectName("inspectorFilterWrapper");
-        auto* filter_wrapper_layout = new QVBoxLayout(filter_wrapper);
-        filter_wrapper_layout->setContentsMargins(10, 0, 10, 0);
-        filter_wrapper_layout->setSpacing(0);
-        filter_wrapper_layout->addWidget(filter_field_);
-        layout->addWidget(filter_wrapper);
-    }
-    layout->addWidget(body_);
-}
-
-void CollapsibleSection::addBodyWidget(QWidget* widget) {
-    body_layout_->addWidget(widget);
-}
-
-} // namespace ifcinterface::components::inspector

src/interface/components/PanelChrome.cpp

@@ -86,23 +86,6 @@ QFrame* wrapPanel(QWidget* inner) {
     outer_layout->setContentsMargins(6, 6, 6, 6);
     outer_layout->setSpacing(0);
 
-    auto* frame = new QFrame(outer);
-    frame->setObjectName("panelFrame");
-    auto* layout = new QVBoxLayout(frame);
-    layout->setContentsMargins(8, 8, 8, 8);
-    layout->setSpacing(0);
-    layout->addWidget(inner);
-
-    outer_layout->addWidget(frame);
-    return outer;
-}
-
-QFrame* wrapInspectorPanel(QWidget* inner) {
-    auto* outer = new QFrame();
-    auto* outer_layout = new QVBoxLayout(outer);
-    outer_layout->setContentsMargins(6, 6, 6, 6);
-    outer_layout->setSpacing(0);
-
     auto* frame = new QFrame(outer);
     frame->setObjectName("panelFrame");
     auto* layout = new QVBoxLayout(frame);

src/interface/components/PanelChrome.h

@@ -31,7 +31,6 @@ namespace ifcinterface::components::panel {
 
 QDockWidget* makeDock(const QString& title, QWidget* content, QWidget* parent, bool has_settings = false);
 QFrame* wrapPanel(QWidget* inner);
-QFrame* wrapInspectorPanel(QWidget* inner);
 
 } // namespace ifcinterface::components::panel
 

src/interface/components/Section.cpp

@@ -0,0 +1,133 @@
+// This file was generated with the assistance of an AI coding tool.
+/********************************************************************************
+ *                                                                              *
+ * This file is part of IfcOpenShell.                                           *
+ *                                                                              *
+ * IfcOpenShell is free software: you can redistribute it and/or modify         *
+ * it under the terms of the Lesser GNU General Public License as published by  *
+ * the Free Software Foundation, either version 3.0 of the License, or          *
+ * (at your option) any later version.                                          *
+ *                                                                              *
+ * IfcOpenShell is distributed in the hope that it will be useful,              *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of               *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 *
+ * Lesser GNU General Public License for more details.                          *
+ *                                                                              *
+ * You should have received a copy of the Lesser GNU General Public License     *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.         *
+ *                                                                              *
+ ********************************************************************************/
+
+#include "Section.h"
+
+#include "SvgIcon.h"
+
+#include <QFrame>
+#include <QHBoxLayout>
+#include <QLineEdit>
+#include <QToolButton>
+#include <QVBoxLayout>
+
+namespace ifcinterface::components {
+
+namespace {
+
+QWidget* makeSectionFilterField(const QString& placeholder, QWidget* parent = nullptr) {
+    auto* field = new QLineEdit(parent);
+    field->setPlaceholderText(placeholder);
+    field->setClearButtonEnabled(true);
+    field->addAction(icons::makePanelSvgIcon(":/icons/filter.svg"), QLineEdit::LeadingPosition);
+    return field;
+}
+
+} // namespace
+
+Section::Section(const QString& title, SectionHeaderMode header_mode,
+                 const QString& filter_placeholder, QWidget* parent)
+    : QWidget(parent)
+{
+    setObjectName("panelSection");
+    auto* layout = new QVBoxLayout(this);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(6);
+
+    if (header_mode == SectionHeaderMode::Visible) {
+        auto* header = new QFrame(this);
+        header->setObjectName("panelSectionHeader");
+        auto* header_layout = new QHBoxLayout(header);
+        header_layout->setContentsMargins(0, 0, 0, 0);
+        header_layout->setSpacing(6);
+
+        auto* toggle = new QToolButton(header);
+        toggle->setObjectName("panelSectionHeaderButton");
+        toggle->setText(title);
+        toggle->setCheckable(true);
+        toggle->setChecked(true);
+        toggle->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+        toggle->setArrowType(Qt::DownArrow);
+        header_layout->addWidget(toggle);
+        header_layout->addStretch(1);
+
+        if (!filter_placeholder.isEmpty()) {
+            auto* filter_toggle = new QToolButton(header);
+            filter_toggle->setObjectName("panelSectionFilterToggle");
+            filter_toggle->setCheckable(true);
+            filter_toggle->setIcon(icons::makePanelSvgIcon(":/icons/filter.svg"));
+            filter_toggle->setAutoRaise(true);
+            header_layout->addWidget(filter_toggle);
+
+            filter_field_ = qobject_cast<QLineEdit*>(makeSectionFilterField(filter_placeholder, this));
+            filter_field_->setVisible(false);
+            connect(filter_toggle, &QToolButton::toggled, filter_field_, [this](bool visible) {
+                filter_field_->setVisible(visible);
+                if (visible) filter_field_->setFocus();
+            });
+        }
+
+        layout->addWidget(header);
+        if (filter_field_) {
+            auto* filter_wrapper = new QWidget(this);
+            filter_wrapper->setObjectName("panelSectionFilterWrapper");
+            auto* filter_wrapper_layout = new QVBoxLayout(filter_wrapper);
+            filter_wrapper_layout->setContentsMargins(10, 0, 10, 0);
+            filter_wrapper_layout->setSpacing(0);
+            filter_wrapper_layout->addWidget(filter_field_);
+            layout->addWidget(filter_wrapper);
+        }
+
+        connect(toggle, &QToolButton::toggled, this, [this, toggle](bool expanded) {
+            toggle->setArrowType(expanded ? Qt::DownArrow : Qt::RightArrow);
+            body_->setVisible(expanded);
+            if (filter_field_) {
+                auto* wrapper = filter_field_->parentWidget();
+                if (wrapper) wrapper->setVisible(expanded && filter_field_->isVisible());
+            }
+        });
+    } else if (!filter_placeholder.isEmpty()) {
+        filter_field_ = qobject_cast<QLineEdit*>(makeSectionFilterField(filter_placeholder, this));
+        auto* filter_wrapper = new QWidget(this);
+        filter_wrapper->setObjectName("panelSectionFilterWrapper");
+        auto* filter_wrapper_layout = new QVBoxLayout(filter_wrapper);
+        filter_wrapper_layout->setContentsMargins(8, 0, 8, 0);
+        filter_wrapper_layout->setSpacing(0);
+        filter_wrapper_layout->addWidget(filter_field_);
+        layout->addWidget(filter_wrapper);
+    }
+
+    body_ = new QWidget(this);
+    body_->setObjectName("panelSectionBody");
+    body_layout_ = new QVBoxLayout(body_);
+    if (header_mode == SectionHeaderMode::Visible) {
+        body_layout_->setContentsMargins(10, 6, 10, 0);
+    } else {
+        body_layout_->setContentsMargins(8, 0, 8, 0);
+    }
+    body_layout_->setSpacing(6);
+    layout->addWidget(body_);
+}
+
+void Section::addBodyWidget(QWidget* widget) {
+    body_layout_->addWidget(widget);
+}
+
+} // namespace ifcinterface::components

src/interface/components/Section.h

@@ -18,22 +18,28 @@
  *                                                                              *
  ********************************************************************************/
 
-#ifndef IFCINTERFACE_COMPONENTS_INSPECTOR_COLLAPSIBLESECTION_H
+#ifndef IFCINTERFACE_COMPONENTS_SECTION_H
-#define IFCINTERFACE_COMPONENTS_INSPECTOR_COLLAPSIBLESECTION_H
+#define IFCINTERFACE_COMPONENTS_SECTION_H
 
 #include <QWidget>
 
 class QLineEdit;
 class QVBoxLayout;
 
-namespace ifcinterface::components::inspector {
+namespace ifcinterface::components {
 
-class CollapsibleSection : public QWidget {
+enum class SectionHeaderMode {
+    Visible,
+    Hidden,
+};
+
+class Section : public QWidget {
     Q_OBJECT
 public:
-    explicit CollapsibleSection(const QString& title,
+    explicit Section(const QString& title,
-                                const QString& filter_placeholder = {},
+                     SectionHeaderMode header_mode = SectionHeaderMode::Visible,
-                                QWidget* parent = nullptr);
+                     const QString& filter_placeholder = {},
+                     QWidget* parent = nullptr);
 
     void addBodyWidget(QWidget* widget);
 
@@ -43,6 +49,6 @@ private:
     QLineEdit* filter_field_ = nullptr;
 };
 
-} // namespace ifcinterface::components::inspector
+} // namespace ifcinterface::components
 
 #endif

src/interface/panels/properties/PropertiesPanelWidget.cpp

@@ -20,7 +20,7 @@
 
 #include "PropertiesPanelWidget.h"
 
-#include "../../components/CollapsibleSection.h"
+#include "../../components/Section.h"
 #include "../../components/SvgIcon.h"
 
 #include <QFormLayout>
@@ -157,13 +157,6 @@ void PropertiesPanelWidget::setState(const PropertiesPanelState& state) {
     entity_layout->addWidget(entity_icon, 0, Qt::AlignVCenter);
     entity_layout->addWidget(entity_text, 1, Qt::AlignVCenter);
 
-    auto* entity_wrapper = new QWidget(content);
-    entity_wrapper->setObjectName("inspectorSectionBody");
-    auto* entity_wrapper_layout = new QVBoxLayout(entity_wrapper);
-    entity_wrapper_layout->setContentsMargins(10, 0, 10, 0);
-    entity_wrapper_layout->setSpacing(0);
-    entity_wrapper_layout->addWidget(entity_card);
-
     QList<QWidget*> property_set_widgets;
     for (const auto& property_set : state.property_sets) {
         property_set_widgets.append(makePropertySetPanel(property_set, content));
@@ -174,16 +167,18 @@ void PropertiesPanelWidget::setState(const PropertiesPanelState& state) {
         quantity_set_widgets.append(makePropertySetPanel(property_set, content));
     }
 
-    auto* attributes_section = new components::inspector::CollapsibleSection("Attributes", "", content);
+    auto* entity_section = new components::Section("", components::SectionHeaderMode::Hidden, "", content);
+    entity_section->addBodyWidget(entity_card);
+    auto* attributes_section = new components::Section("Attributes", components::SectionHeaderMode::Visible, "", content);
     attributes_section->addBodyWidget(makeAttributeList(state.attributes, content));
-    auto* relationships_section = new components::inspector::CollapsibleSection("Relationships", "", content);
+    auto* relationships_section = new components::Section("Relationships", components::SectionHeaderMode::Visible, "", content);
     relationships_section->addBodyWidget(makeRelationshipList(state.relationships, content));
-    auto* properties_section = new components::inspector::CollapsibleSection("Properties", "Filter properties or sets", content);
+    auto* properties_section = new components::Section("Properties", components::SectionHeaderMode::Visible, "Filter properties or sets", content);
     for (auto* widget : property_set_widgets) properties_section->addBodyWidget(widget);
-    auto* quantities_section = new components::inspector::CollapsibleSection("Quantities", "Filter quantities or sets", content);
+    auto* quantities_section = new components::Section("Quantities", components::SectionHeaderMode::Visible, "Filter quantities or sets", content);
     for (auto* widget : quantity_set_widgets) quantities_section->addBodyWidget(widget);
 
-    content_layout->addWidget(entity_wrapper);
+    content_layout->addWidget(entity_section);
     content_layout->addWidget(attributes_section);
     content_layout->addWidget(relationships_section);
     content_layout->addWidget(properties_section);

src/interface/panels/spatial_hierarchy/SpatialHierarchyPanelWidget.cpp

@@ -20,6 +20,7 @@
 
 #include "SpatialHierarchyPanelWidget.h"
 
+#include "../../components/Section.h"
 #include "../../components/SvgIcon.h"
 
 #include <QHeaderView>
@@ -36,7 +37,9 @@ SpatialHierarchyPanelWidget::SpatialHierarchyPanelWidget(QWidget* parent)
     layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
 
-    tree_ = new QTreeWidget(this);
+    auto* section = new components::Section("", components::SectionHeaderMode::Hidden, "", this);
+
+    tree_ = new QTreeWidget(section);
     tree_->setColumnCount(2);
     tree_->setHeaderLabels({"Spatial Item", ""});
     tree_->setIconSize(QSize(16, 16));
@@ -47,7 +50,8 @@ SpatialHierarchyPanelWidget::SpatialHierarchyPanelWidget(QWidget* parent)
     tree_->header()->setSectionResizeMode(1, QHeaderView::Fixed);
     tree_->header()->resizeSection(1, 28);
     tree_->header()->hide();
-    layout->addWidget(tree_);
+    section->addBodyWidget(tree_);
+    layout->addWidget(section);
 
     connect(tree_, &QTreeWidget::itemClicked, this, [this](QTreeWidgetItem* item, int column) {
         if (!item || column != 1) return;

src/interface/panels/todo/TodoPanelWidget.cpp

@@ -0,0 +1,60 @@
+// This file was generated with the assistance of an AI coding tool.
+/********************************************************************************
+ *                                                                              *
+ * This file is part of IfcOpenShell.                                           *
+ *                                                                              *
+ * IfcOpenShell is free software: you can redistribute it and/or modify         *
+ * it under the terms of the Lesser GNU General Public License as published by  *
+ * the Free Software Foundation, either version 3.0 of the License, or          *
+ * (at your option) any later version.                                          *
+ *                                                                              *
+ * IfcOpenShell is distributed in the hope that it will be useful,              *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of               *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 *
+ * Lesser GNU General Public License for more details.                          *
+ *                                                                              *
+ * You should have received a copy of the Lesser GNU General Public License     *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.         *
+ *                                                                              *
+ ********************************************************************************/
+
+#include "TodoPanelWidget.h"
+
+#include "../../components/Section.h"
+
+#include <QLabel>
+#include <QVBoxLayout>
+
+namespace ifcinterface::panels::todo {
+
+TodoPanelWidget::TodoPanelWidget(const QString& title, QWidget* parent)
+    : QWidget(parent)
+{
+    auto* layout = new QVBoxLayout(this);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+
+    auto* section = new components::Section("", components::SectionHeaderMode::Hidden, "", this);
+
+    auto* body = new QWidget(section);
+    auto* body_layout = new QVBoxLayout(body);
+    body_layout->setContentsMargins(0, 12, 0, 12);
+    body_layout->setSpacing(12);
+
+    auto* heading = new QLabel(title, body);
+    heading->setObjectName("todoPanelTitle");
+
+    auto* content = new QLabel("Coming soon", body);
+    content->setObjectName("todoPanelBody");
+    content->setAlignment(Qt::AlignCenter);
+
+    body_layout->addWidget(heading);
+    body_layout->addStretch(1);
+    body_layout->addWidget(content);
+    body_layout->addStretch(1);
+
+    section->addBodyWidget(body);
+    layout->addWidget(section);
+}
+
+} // namespace ifcinterface::panels::todo

src/interface/panels/todo/TodoPanelWidget.h

@@ -0,0 +1,36 @@
+// This file was generated with the assistance of an AI coding tool.
+/********************************************************************************
+ *                                                                              *
+ * This file is part of IfcOpenShell.                                           *
+ *                                                                              *
+ * IfcOpenShell is free software: you can redistribute it and/or modify         *
+ * it under the terms of the Lesser GNU General Public License as published by  *
+ * the Free Software Foundation, either version 3.0 of the License, or          *
+ * (at your option) any later version.                                          *
+ *                                                                              *
+ * IfcOpenShell is distributed in the hope that it will be useful,              *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of               *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 *
+ * Lesser GNU General Public License for more details.                          *
+ *                                                                              *
+ * You should have received a copy of the Lesser GNU General Public License     *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.         *
+ *                                                                              *
+ ********************************************************************************/
+
+#ifndef IFCINTERFACE_PANELS_TODO_TODOPANELWIDGET_H
+#define IFCINTERFACE_PANELS_TODO_TODOPANELWIDGET_H
+
+#include <QWidget>
+
+namespace ifcinterface::panels::todo {
+
+class TodoPanelWidget : public QWidget {
+    Q_OBJECT
+public:
+    explicit TodoPanelWidget(const QString& title, QWidget* parent = nullptr);
+};
+
+} // namespace ifcinterface::panels::todo
+
+#endif