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Graph/fltk

Component

fltk

fltk

fltk

Node Details

Public graph metadata

Updated5/1/2026

PageRank0.0000

Connections

4 linked nodes

WRITTEN_INLanguage

AFFECTSRootCause

a Cairo context is retrieved from XLib — when running under Wayland. Tension: This can obviously not work when running under Wayland. Outcome: cairo_xlib_surface_create(fl_display, fl_window, fl_visual->visual, Fl_Window::current()->w() * scale, Fl_Window::current()->h() * scale);.

PERTAIN_TOProblem

we just get a SEGFAULT in that case — This can obviously not work when running under Wayland, which is now sometimes the case with FLTK-1.4. Tension: how best to approach the task to port our custom drawing code, so that it runs both under X11 and Wayland? Outcome: Check out cairowidget for ideas.

INVOLVESSolution

it allocates an off-screen buffer, paints into it using `cairo` and then draws the buffer with `FLTK` — portable solution. Tension: portable solution. Outcome: Check out cairowidget for ideas.

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