Add file headers

README.md

@@ -7,7 +7,7 @@
 On Debian 12:
 
 ```bash
-$ sudo apt install cmake qt6-base-dev qt6-svg-dev libtbb-dev
+$ sudo apt install cmake qt6-base-dev qt6-svg-dev libtbb-dev libfontconfig1-dev
 $ sudo apt install libocct-foundation-dev libocct-modeling-data-dev libocct-modeling-algorithms-dev libocct-visualization-dev
 
 $ mkdir build
@@ -22,7 +22,7 @@ $ ./OpenCAD
 
 ## License
 
-This program is free and open-source software licensed under the GNU GPLv3. Please see the `LICENSE.txt` file for details.
+This program is free and open-source software licensed under the GNU GPLv3 (or later). Please see the `LICENSE.txt` file for details.
 
 That means you have the right to study, change, and distribute the software and source code to anyone and for any purpose as long as you grant the same rights when distributing it.
 

src/ApplicationController.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/ApplicationController.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/Camera.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/Camera.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/CircleTool.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/CircleTool.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/DebugWindow.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/DebugWindow.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/Document.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/Document.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/Feature.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/Feature.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/FeatureBrowser.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/FeatureBrowser.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/LineTool.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/LineTool.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/MainWindow.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/MainWindow.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/RectangleTool.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/RectangleTool.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchCircle.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchCircle.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchFeature.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchFeature.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchGrid.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchGrid.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchLine.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchLine.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchObject.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchRectangle.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchRectangle.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchTool.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/SketchTool.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/Snapping.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/Snapping.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/ViewCube.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/ViewCube.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/ViewportWidget.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/ViewportWidget.h

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE

src/main.cpp

@@ -1,6 +1,6 @@
 // Unnamed CAD Software
 //
-// License: GPLv3, see LICENSE.txt
+// License: GPLv3 (or later)
 // Language: C++17
 // Notes:
 //     - use a right-handed, Z-up coordinate system to match Open CASCADE