multicam: show highlight around selected source

2022-09-27 18:22:47 -07:00
parent c0d8d24c47
commit 80a900d105
10 changed files with 207 additions and 31 deletions
@@ -0,0 +1,63 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2022 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 "multicamdisplay.h"
+
+namespace olive {
+
+#define super ViewerDisplayWidget
+
+MulticamDisplay::MulticamDisplay(QWidget *parent) :
+  super(parent),
+  node_(nullptr)
+{
+}
+
+void MulticamDisplay::OnPaint()
+{
+  super::OnPaint();
+
+  if (node_) {
+    QPainter p(paint_device());
+
+    p.setPen(QPen(Qt::yellow, fontMetrics().height()/4));
+    p.setBrush(Qt::NoBrush);
+
+    int rows, cols;
+    node_->GetRowsAndColumns(&rows, &cols);
+
+    int multi = std::max(rows, cols);
+    int cell_width = width() / multi;
+    int cell_height = height() / multi;
+
+    int col, row;
+    node_->IndexToRowCols(node_->GetCurrentSource(), rows, cols, &row, &col);
+
+    QRect r(cell_width * col, cell_height * row, cell_width, cell_height);
+    p.drawRect(GenerateWorldTransform().mapRect(r));
+  }
+}
+
+void MulticamDisplay::SetMulticamNode(MultiCamNode *n)
+{
+  node_ = n;
+}
+
+}