Add visibility toggle to Property base class

Restructure GuiPropertyComponent to take a source function that returns a list of PropertyOwner%s instead of registering individual properties
Apply restructuring

modules/base/rendering/screenspaceframebuffer.cpp

@@ -21,10 +21,10 @@
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE  *
 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                         *
 ****************************************************************************************/
+
 #include <modules/base/rendering/screenspaceframebuffer.h>
 #include <openspace/engine/openspaceengine.h>
 #include <openspace/rendering/renderengine.h>
-#include <modules/onscreengui/include/gui.h>
 #include <openspace/util/camera.h>
 
 #include <openspace/rendering/renderer.h>
@@ -40,11 +40,9 @@ ScreenSpaceFramebuffer::ScreenSpaceFramebuffer(const ghoul::Dictionary& dictiona
 {
     _id = id();
     setName("ScreenSpaceFramebuffer" + std::to_string(_id));
-    registerProperties();
 
     glm::vec2 resolution = OsEng.windowWrapper().currentWindowResolution();
     addProperty(_size);
-    OsEng.gui()._screenSpaceProperty.registerProperty(&_size);
     _size.set(glm::vec4(0, 0, resolution.x,resolution.y));
 
     _scale.setValue(1.0f);
@@ -63,8 +61,6 @@ bool ScreenSpaceFramebuffer::initialize(){
 }
 
 bool ScreenSpaceFramebuffer::deinitialize(){
-    unregisterProperties();
-
     glDeleteVertexArrays(1, &_quad);
     _quad = 0;
 

modules/base/rendering/screenspaceimage.cpp

@@ -31,8 +31,6 @@
 #include <ghoul/io/texture/texturereader.h>
 #include <ghoul/filesystem/filesystem>
 
-#include <modules/onscreengui/include/gui.h>
-
 namespace {
     const std::string _loggerCat = "ScreenSpaceImage";
 
@@ -58,12 +56,10 @@ ScreenSpaceImage::ScreenSpaceImage(const ghoul::Dictionary& dictionary)
     }
 
     addProperty(_texturePath);
-    registerProperties();
 
     std::string texturePath;
     if (dictionary.getValue(KeyTexturePath, texturePath)) {
         _texturePath = texturePath;
-        OsEng.gui()._screenSpaceProperty.registerProperty(&_texturePath);    
         _texturePath.onChange([this](){ loadTexture(); });
     }
 
@@ -85,7 +81,6 @@ bool ScreenSpaceImage::initialize() {
 }
 
 bool ScreenSpaceImage::deinitialize() {
-    unregisterProperties();
 
     glDeleteVertexArrays(1, &_quad);
     _quad = 0;