* wip: adds NodeValidationState info to NodeDelegateModel

* makes the nodeObject red in case of an invalid state and adds a tooltip for the error msg

* adds warning state and adapts calculator example

* adds validation icon and adapts calculation example

* improves NodeValidationState struct

* qt6 for linux-gcc

* reverts qt_version changes in cmake build

* changes validation coloring scheme to border instead of whole node

* replaces info-tooltip with a better contrast

* improves node ui for invalid state

* clang-format improvements

…de is locked (paceholder#489)

Co-authored-by: lsouder-ozone3d <131193069+lsouder-ozone3d@users.noreply.github.com>

…aceholder#496)

Co-authored-by: lsouder-ozone3d <131193069+lsouder-ozone3d@users.noreply.github.com>

…aceholder#492)

* Make GraphicView on* methods virtual
* Added BasicGraphicsScene::setNodeGeometry

* BUGFIX: GraphicsView::setScene(nullptr)

* Make revisions based on the review results.

* wip: adds NodeValidationState info to NodeDelegateModel

* makes the nodeObject red in case of invalid state and adds a tooltip for error msg

* adds warning state and adapts calculator example

* adds validation icon and adapts calculation example

* core improvements to develop node processing status

* first commit on the creation of a processing status example

* fixes nodeprocessingstatus cast

* creation of random gen example, and fix of icon color

* Connect delegate UI update signal

* fix random number node dynamic

* clean up test code in multiplication node

* revert unnecessary changes in multiplication model

* revert unnecessary changes

* solve icon size and refactor NodeProcessingStatus code

* remove duplicate code

* add space to better organize processing status in node display

* remove processing value default value

* fix bugs in node processing status

* add Q_DECLARE_METATYPE to solve linux build problems

* declaring metatype in the correct place

* uniformizes icon files attributes

* removes commented code

* improves processing status icon resolution

* solves situations where icons should not appear

* adds docstring to each nodeprocessingstatus

* adds possibility to change the node processing status icon style

* moves all status logic to NodeStyle

* removes unnecessary code

* adds declaration of QPixmap

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Co-authored-by: Taiguara Tupinambás <tatatupi@gmail.com>

…DataFlowGraphicsScene (paceholder#465)

* useful if we want to inherit BasicGraphicsScene with similarities to DataFlowGraphicsScene

* Update UndoCommands.hpp

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Co-authored-by: Dmitry Pinaev <dimitry.pinaev@gmail.com>