Paint dynamics specification

not a spec yet, just a lash-up to begin with…

the new dockable:

some notes:

• the pop-up list at the top has all the inputs and outputs listed in two sections. it addresses the questions: “what does this input control?” and “what control this output?”
• depending if at the top an input or an out put is chosen, all valid outputs or input are shown in the scrolling list at the bottom;
• the scrolling list has checkboxes on the left to switch on/off a input->output mapping;
• only curves for mappings that are on are shown
• the highlighted and on mapping is editable as a curve, its line color is fg (black here), all other curver are 50% fg/bg (grey here);
• the min/max triangles on the right of the curves track the min and max of the highlighted curve; dragging one of the triangles itself moves the min or max of the curve and scales the whole curve;
• the ‘Show input checkbox’ enables the tracking of the input (either the one selected in the pop-up or highlighted in the scrolling list) in a way similar as the color sampling is shown in the Curves dialog (vertical line at current value);