started parameter editor

app/panel/CMakeLists.txt

@@ -15,6 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 add_subdirectory(node)
+add_subdirectory(param)
 add_subdirectory(project)
 add_subdirectory(taskmanager)
 add_subdirectory(timeline)

app/panel/node/node.cpp

@@ -26,6 +26,9 @@ NodePanel::NodePanel(QWidget *parent) :
   // Create NodeView widget
   node_view_ = new NodeView(this);
 
+  // Connect node view signals to this panel
+  connect(node_view_, SIGNAL(SelectionChanged(QList<Node*>)), this, SIGNAL(SelectionChanged(QList<Node*>)));
+
   // Set it as the main widget of this panel
   setWidget(node_view_);
 

app/panel/node/node.h

@@ -38,6 +38,12 @@ public:
 protected:
   virtual void changeEvent(QEvent* e) override;
 
+signals:
+  /**
+   * @brief Wrapper for NodeView::SelectionChanged()
+   */
+  void SelectionChanged(QList<Node*> selected_nodes);
+
 private:
   void Retranslate();
 

app/panel/param/CMakeLists.txt

@@ -0,0 +1,22 @@
+# Olive - Non-Linear Video Editor
+# Copyright (C) 2019 Olive Team
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set(OLIVE_SOURCES
+  ${OLIVE_SOURCES}
+  panel/param/param.h
+  panel/param/param.cpp
+  PARENT_SCOPE
+)

app/panel/param/param.cpp

@@ -0,0 +1,50 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program 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
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "param.h"
+
+ParamPanel::ParamPanel(QWidget* parent) :
+  PanelWidget(parent)
+{
+  view_ = new NodeParamView(this);
+
+  setWidget(view_);
+
+  Retranslate();
+}
+
+void ParamPanel::SetNodes(QList<Node *> nodes)
+{
+  view_->SetNodes(nodes);
+}
+
+void ParamPanel::changeEvent(QEvent *e)
+{
+  if (e->type() == QEvent::LanguageChange) {
+    Retranslate();
+  }
+  QDockWidget::changeEvent(e);
+}
+
+void ParamPanel::Retranslate()
+{
+  SetTitle(tr("Parameter Editor"));
+  SetSubtitle(tr("(none)"));
+}

app/panel/param/param.h

@@ -0,0 +1,45 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program 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
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef PARAM_H
+#define PARAM_H
+
+#include "widget/nodeparamview/nodeparamview.h"
+#include "widget/panel/panel.h"
+
+class ParamPanel : public PanelWidget
+{
+  Q_OBJECT
+public:
+  ParamPanel(QWidget* parent);
+
+public slots:
+  void SetNodes(QList<Node*> nodes);
+
+protected:
+  virtual void changeEvent(QEvent* e);
+
+private:
+  void Retranslate();
+
+  NodeParamView* view_;
+};
+
+#endif // PARAM_H

app/widget/CMakeLists.txt

@@ -17,6 +17,7 @@
 add_subdirectory(flowlayout)
 add_subdirectory(menu)
 add_subdirectory(nodeview)
+add_subdirectory(nodeparamview)
 add_subdirectory(panel)
 add_subdirectory(playbackcontrols)
 add_subdirectory(projectexplorer)

app/widget/nodeparamview/CMakeLists.txt

@@ -0,0 +1,24 @@
+# Olive - Non-Linear Video Editor
+# Copyright (C) 2019 Olive Team
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set(OLIVE_SOURCES
+  ${OLIVE_SOURCES}
+  widget/nodeparamview/nodeparamview.h
+  widget/nodeparamview/nodeparamview.cpp
+  widget/nodeparamview/nodeparamviewitem.h
+  widget/nodeparamview/nodeparamviewitem.cpp
+  PARENT_SCOPE
+)

app/widget/nodeparamview/nodeparamview.cpp

@@ -0,0 +1,73 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program 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
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "nodeparamview.h"
+
+NodeParamView::NodeParamView(QWidget *parent) :
+  QWidget(parent)
+{
+  // Set new layout
+  layout_ = new QVBoxLayout(this);
+  layout_->setSpacing(0);
+  layout_->setMargin(0);
+
+  // Add a stretch to allow empty space at the bottom of the layout
+  layout_->addStretch();
+}
+
+void NodeParamView::SetNodes(QList<Node *> nodes)
+{
+  // If we already have item widgets, delete them all now
+  foreach (NodeParamViewItem* item, items_) {
+    delete item;
+  }
+  items_.clear();
+
+  // Set the internal list to the one we've received
+  nodes_ = nodes;
+
+  // For each node, create a widget
+  foreach (Node* node, nodes_) {
+
+    // See if we already have an item for this node type
+
+    bool merged_node = false;
+
+    foreach (NodeParamViewItem* existing_item, items_) {
+      if (existing_item->CanAddNode(node)) {
+        existing_item->AttachNode(node);
+        merged_node = true;
+        break;
+      }
+    }
+
+    // If we couldn't merge this node into the existing item, create a new one
+    if (!merged_node) {
+      NodeParamViewItem* item = new NodeParamViewItem(this);
+
+      item->AttachNode(node);
+
+      // Insert the widget before the stretch
+      layout_->insertWidget(layout_->count() - 1, item);
+
+      items_.append(item);
+    }
+  }
+}

app/widget/nodeparamview/nodeparamview.h

@@ -0,0 +1,45 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program 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
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef NODEPARAMVIEW_H
+#define NODEPARAMVIEW_H
+
+#include <QVBoxLayout>
+#include <QWidget>
+
+#include "node/node.h"
+#include "nodeparamviewitem.h"
+
+class NodeParamView : public QWidget
+{
+public:
+  NodeParamView(QWidget* parent);
+
+  void SetNodes(QList<Node*> nodes);
+
+private:
+  QVBoxLayout* layout_;
+
+  QList<Node*> nodes_;
+
+  QList<NodeParamViewItem*> items_;
+};
+
+#endif // NODEPARAMVIEW_H

app/widget/nodeparamview/nodeparamviewitem.cpp

@@ -0,0 +1,142 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program 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
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "nodeparamviewitem.h"
+
+#include <QDebug>
+#include <QPainter>
+
+#include "ui/icons/icons.h"
+
+NodeParamViewItem::NodeParamViewItem(QWidget *parent) :
+  QWidget(parent)
+{
+  QVBoxLayout* main_layout = new QVBoxLayout(this);
+  main_layout->setSpacing(0);
+  main_layout->setMargin(0);
+
+  // Create title bar widget
+  title_bar_ = new NodeParamViewItemTitleBar(this);
+  title_bar_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
+
+  QHBoxLayout* title_bar_layout = new QHBoxLayout(title_bar_);
+
+  title_bar_collapse_btn_ = new QPushButton();
+  title_bar_collapse_btn_->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
+  title_bar_collapse_btn_->setStyleSheet("border: none; background: none;");
+  title_bar_collapse_btn_->setCheckable(true);
+  title_bar_collapse_btn_->setChecked(true);
+  connect(title_bar_collapse_btn_, SIGNAL(clicked(bool)), this, SLOT(SetExpanded(bool)));
+  title_bar_layout->addWidget(title_bar_collapse_btn_);
+
+  title_bar_lbl_ = new QLabel(title_bar_);
+  title_bar_layout->addWidget(title_bar_lbl_);
+
+  // Add title bar to widget
+  main_layout->addWidget(title_bar_);
+
+  // Create and add contents widget
+  contents_ = new QWidget(this);
+  content_layout_ = new QGridLayout(contents_);
+  main_layout->addWidget(contents_);
+
+  // Set correct widget state
+  SetExpanded(title_bar_collapse_btn_->isChecked());
+}
+
+void NodeParamViewItem::AttachNode(Node *n)
+{
+  // Make sure we can attach this node (CanAddNode() should be run by the caller to make sure this node is valid)
+  Q_ASSERT(CanAddNode(n));
+
+  // Add node to the list
+  nodes_.append(n);
+
+  // If the added node was the first node, set up the UI
+  if (nodes_.size() == 1) {
+    SetupUI();
+  }
+}
+
+bool NodeParamViewItem::CanAddNode(Node* n)
+{
+  // Ensures that all Nodes have the same ID
+  return (nodes_.isEmpty() || nodes_.first()->id() == n->id());
+}
+
+void NodeParamViewItem::changeEvent(QEvent *e)
+{
+  // FIXME: Retranslate all UI elements
+
+  QWidget::changeEvent(e);
+}
+
+void NodeParamViewItem::SetupUI()
+{
+  Q_ASSERT(!nodes_.isEmpty());
+
+  Node* first_node = nodes_.first();
+
+  title_bar_lbl_->setText(first_node->Name());
+
+  int row_count = 0;
+
+  for (int i=0;i<first_node->ParameterCount();i++) {
+    NodeParam* param = first_node->ParamAt(i);
+
+    // This widget only needs to show input parameters
+    if (param->type() == NodeParam::kInput) {
+      QLabel* param_label = new QLabel(tr("%1:").arg(param->name()));
+
+      content_layout_->addWidget(param_label, row_count, 0);
+
+      row_count++;
+    }
+  }
+}
+
+void NodeParamViewItem::SetExpanded(bool e)
+{
+  expanded_ = e;
+
+  contents_->setVisible(e);
+
+  if (expanded_) {
+    title_bar_collapse_btn_->setIcon(olive::icon::TriDown);
+  } else {
+    title_bar_collapse_btn_->setIcon(olive::icon::TriRight);
+  }
+}
+
+NodeParamViewItemTitleBar::NodeParamViewItemTitleBar(QWidget *parent) :
+  QWidget(parent)
+{
+}
+
+void NodeParamViewItemTitleBar::paintEvent(QPaintEvent *event)
+{
+  QWidget::paintEvent(event);
+
+  QPainter p(this);
+
+  // Draw bottom border using text color
+  p.setPen(palette().text().color());
+  p.drawLine(0, height() - 1, width(), height() - 1);
+}

app/widget/nodeparamview/nodeparamviewitem.h

@@ -0,0 +1,74 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program 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
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef NODEPARAMVIEWITEM_H
+#define NODEPARAMVIEWITEM_H
+
+#include <QGridLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QVBoxLayout>
+#include <QWidget>
+
+#include "node/node.h"
+
+class NodeParamViewItemTitleBar : public QWidget {
+public:
+  NodeParamViewItemTitleBar(QWidget* parent = nullptr);
+
+protected:
+  virtual void paintEvent(QPaintEvent *event) override;
+};
+
+class NodeParamViewItem : public QWidget
+{
+  Q_OBJECT
+public:
+  NodeParamViewItem(QWidget* parent);
+
+  void AttachNode(Node* n);
+
+  bool CanAddNode(Node *n);
+
+protected:
+  void changeEvent(QEvent *e) override;
+
+private:
+  void SetupUI();
+
+  bool expanded_;
+
+  NodeParamViewItemTitleBar* title_bar_;
+
+  QLabel* title_bar_lbl_;
+
+  QPushButton* title_bar_collapse_btn_;
+
+  QWidget* contents_;
+
+  QGridLayout* content_layout_;
+
+  QList<Node*> nodes_;
+
+private slots:
+  void SetExpanded(bool e);
+};
+
+#endif // NODEPARAMVIEWITEM_H

app/widget/nodeview/nodeview.cpp

@@ -29,6 +29,7 @@ NodeView::NodeView(QWidget *parent) :
   setDragMode(RubberBandDrag);
 
   connect(&scene_, SIGNAL(changed(const QList<QRectF>&)), this, SLOT(ItemsChanged()));
+  connect(&scene_, SIGNAL(selectionChanged()), this, SLOT(SceneSelectionChangedSlot()));
 }
 
 void NodeView::SetGraph(NodeGraph *graph)
@@ -149,3 +150,22 @@ void NodeView::ItemsChanged()
     }
   }
 }
+
+void NodeView::SceneSelectionChangedSlot()
+{
+  // Get the scene's selected items and convert it into a list of selected nodes
+  QList<QGraphicsItem*> selected_items = scene_.selectedItems();
+
+  QList<Node*> selected_nodes;
+
+  for (int i=0;i<selected_items.size();i++) {
+    // Try to dynamically cast to a widget holding a Node
+    NodeViewItem* item = dynamic_cast<NodeViewItem*>(selected_items.at(i));
+
+    if (item != nullptr) {
+      selected_nodes.append(item->node());
+    }
+  }
+
+  emit SelectionChanged(selected_nodes);
+}

app/widget/nodeview/nodeview.h

@@ -74,6 +74,12 @@ public:
    */
   NodeViewEdge* EdgeToUIObject(NodeEdgePtr n);
 
+signals:
+  /**
+   * @brief Signal emitted when the selected nodes have changed
+   */
+  void SelectionChanged(QList<Node*> selected_nodes);
+
 private:
   NodeGraph* graph_;
 
@@ -103,6 +109,11 @@ private slots:
    */
   void ItemsChanged();
 
+  /**
+   * @brief Receiver for when the scene's selected items change
+   */
+  void SceneSelectionChangedSlot();
+
 };
 
 #endif // NODEVIEW_H

app/window/mainwindow/mainwindow.cpp

@@ -23,8 +23,9 @@
 #include <QDebug>
 
 // Panel objects
-#include "panel/project/project.h"
 #include "panel/node/node.h"
+#include "panel/param/param.h"
+#include "panel/project/project.h"
 #include "panel/timeline/timeline.h"
 #include "panel/tool/tool.h"
 #include "panel/viewer/viewer.h"
@@ -74,12 +75,17 @@ void olive::MainWindow::ProjectOpen(Project* p)
   ToolPanel* tool_panel = new ToolPanel(this);
   addDockWidget(Qt::BottomDockWidgetArea, tool_panel);
 
-  NodePanel* task_panel = new NodePanel(this);
-  addDockWidget(Qt::BottomDockWidgetArea, task_panel);
+  NodePanel* node_panel = new NodePanel(this);
+  addDockWidget(Qt::BottomDockWidgetArea, node_panel);
+
+  ParamPanel* param_panel = new ParamPanel(this);
+  addDockWidget(Qt::BottomDockWidgetArea, param_panel);
 
   TimelinePanel* timeline_panel = new TimelinePanel(this);
   addDockWidget(Qt::BottomDockWidgetArea, timeline_panel);
 
+  connect(node_panel, SIGNAL(SelectionChanged(QList<Node*>)), param_panel, SLOT(SetNodes(QList<Node*>)));
+
   // FIXME: Test code
   NodeGraph* graph = new NodeGraph();
   graph->setParent(this);
@@ -92,6 +98,6 @@ void olive::MainWindow::ProjectOpen(Project* p)
   graph->AddNode(sg);
   ImageInput* ii = new ImageInput();
   graph->AddNode(ii);
-  task_panel->SetGraph(graph);
+  node_panel->SetGraph(graph);
   // End test code
 }