Touchpad: allow simultaneous smartphone-like pinch zoom and pan gestures in culling layouts#20888

da-phil wants to merge 2 commits intodarktable-org:masterdarktable-org/darktable:masterfrom

da-phil:touchpad_seamless_pinch_zoom_and_pan_in_culling_layoutsda-phil/darktable:touchpad_seamless_pinch_zoom_and_pan_in_culling_layoutsCopy head branch name to clipboard