Log Message:
x11/fltk: Update to 1.4.1

Part of FLTK 1.4 transition (Step 1).

- Switch to Github
- Add license
- Take maintainership

Changes in FLTK 1.4.1                                   Released: Dec 12 2024

  FLTK 1.4.1 is a maintenance release with bug fixes and improvements.

  Bug Fixes

  - Fix rounding issues with Fl_RGB_Image::draw() + window scaling (#1128)
  - Fix fullscreen regression on macOS( #1129)
  - Fix fl_draw_image sometimes crashes when window is scaled (#1134)
  - Fix: Can't control scale of Fl_Copy_Surface dimensions on Linux (#1135)
  - Improve output of 'fltk-options -h' and 'fltk-options -L*'
  - Windows: Fix rescale bug while window is maximized or fullscreen
  - Fix graphical glitches on 101 DPI screen (#1138)
  - Fix changed flag for radio buttons (#1146)
  - Fix Fl_Scroll with real *_BOX draws over scrollbars at non-default scales (#1149)
  - Fix drawing bugs on Windows at very large scales (#1144)
  - Fix button down state when triggered by shortcut (#1145)
  - Give access to some Fl_Text_Display member variables (#1153)
  - Fix: Mouse hover + Enter key selects inactive menu items (#1159)
  - Fix hang/infinite loop on submenu with all inactive/invisible items (#1158)
  - Fix triggering callback for inactive menu items (#1159)
  - Fix inconsistencies with Tab/Backspace handling in menus (#1157)
  - Fix Fl_Menu_Item::measure() width calculation (#1164)
  - Fix drawing issue for checkbox buttons with bad box type (#1130)
  - Fix: Window can be moved while menu is open (#1166)

  Image libraries

  - Update bundled libpng to version 1.6.44

  Fixes and Improvements in Fluid:

  - Fix autodocs file leak and memory leak
  - Fix autodoc image memory allocation
  - Fix project modflags when adding shell commands
  - Avoid generating undo on spurious relayout events (#1152)
  - Minor improvements to buffer handling (#1152)
  - Clear cached browser values and cached pointers (#1152)
  - Fix default settings tab
  - Avoid trailing spaces in empty comment lines (#1161)
  - Command line arguments '-v' and '--version' show fltk version
  - Command line argument '--help' shows brief usage information

  Optional ABI changes: these require configure or CMake option
    to define FL_ABI_VERSION = 10401

  - Increase clipping stack size from 10 to 64 entries (#1139)
  - Fix potential (likely false positive) compiler warning in Fl_Help_View

  Documentation Improvements

  - Update build instructions in README.Unix.txt (#67)
  - Update README.Windows.txt
  - Update README.CMake.txt for cross-building (#1154)
  - Document that fl_scroll() doesn't work OK with non-integral scaling factors
  - Add details about fl_override_scale() and clip
  - Clarify use of Fl_Tabs::client_area()
  - Fix Makefile example in chapter "FLTK Basics"

  Improvements and minor Fixes in Test and Demo Programs

  - MSVC: Fix array allocation in test/fltk-versions (#1131)
  - Enable building the CubeView demo w/o requiring '<config.h>'
  - Use a constant frame rate (25 fps) in test/cube demo
  - Add comment linking source code to related information in issue #1149
  - Improve timer statistics in test/cube demo
  - glpuzzle: fix timer and trackball max speed, make smoother animation at 72fps

  Technical Details and Build Procedure Improvements

  - Fix FL_EXPORT qualifiers
  - Fix compiler warnings
  - Remove unnecessary friend declaration
  - Restore building with configure --disable-print (#1147)
  - macOS: Improve procedure to construct best link command
  - Fix: Building with FLTK_BUILD_GL=0 fails on systems without opengl installed \ 
(#1151)
  - Don't link to libgtk when using package libdecor-0-dev
  - Update makesrcdist for releases on GitHub (1.4.1 and higher)
  - Update CHANGES.txt for release 1.4.1

Changes in FLTK 1.4.0                                   Released: Nov 17 2024

  Bug Fixes:

  - Windows: Fix "fullscreen_off does not correctly preserve window \ 
size" (#1116)
  - Fix rounding issues with Fl_RGB_Image::draw() + Fl_Copy_Surface (#1120, #1124)
  - Windows: Fix "Keyboard shortcut (alt+letter) does not work in input \ 
widget" (#1122)
  - macOS: Fix Alt-modifier handling in Fl_Shorcut_Button
  - Windows: Fix flicker/animation when transitioning from fullscreen to maximized
  - Wayland: protect against rounding errors in copy_region()

  Documentation and other Improvements:

  - Revert gtk+ specific "chevron style" arrow drawing (#1117)
  - Update CREDITS.txt
  - Improve 'test/fltk-versions' demo program