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Welcome to the Fast Light Tool Kit general discussion group.
This is for general discussions about the FLTK library; questions, problems compiling/installing, etc.
This group is mirrored at fltk.org for read access via NNTP and web browsing.

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Sep 11

Fl_Slider events after deactivate()

Unsurprisingly, this was an issue on my end. Rob On Wednesday, September 10, 2025 at 4:12:51 PM UTC-7

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Fl_Slider events after deactivate()

Unsurprisingly, this was an issue on my end. Rob On Wednesday, September 10, 2025 at 4:12:51 PM UTC-7

Sep 11

Eric Sokolowsky

Sep 10

Sensitivity for touch screens

I'm writing an application with FLTK 1.4.4 that is primarily intended to be run on a touch screen

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Sensitivity for touch screens

I'm writing an application with FLTK 1.4.4 that is primarily intended to be run on a touch screen

Sep 10

Eric Sokolowsky, Albrecht Schlosser5

Sep 10

Customizing the look of Fl_Scroll

Albrecht, This sounds like a good approach. I can share parts of my code. Note that I don't have

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Customizing the look of Fl_Scroll

Albrecht, This sounds like a good approach. I can share parts of my code. Note that I don't have

Sep 10

Basile Starynkevitch, … Manolo3

Sep 10

mention how to compile FLTK 1.5 on Linux as shared library with debug and optimization

Le mardi 9 septembre 2025 à 11:03:54 UTC+2, bas...@starynkevitch.net a écrit : Please mention on the

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mention how to compile FLTK 1.5 on Linux as shared library with debug and optimization

Le mardi 9 septembre 2025 à 11:03:54 UTC+2, bas...@starynkevitch.net a écrit : Please mention on the

Sep 10

Gonzalo Garramuño, Matthias Melcher2

Sep 5

FLUID: How can I make Live Resize work?

The Live Resize feature is meant as a verification for setting the resizable hierarchy correctly for

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FLUID: How can I make Live Resize work?

The Live Resize feature is meant as a verification for setting the resizable hierarchy correctly for

Sep 5

Aug 30

fltk.org server slowness

We were having some pretty slow page loads on fltk.org. This was hopefully solved this morning (Sat

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fltk.org server slowness

We were having some pretty slow page loads on fltk.org. This was hopefully solved this morning (Sat

Aug 30

Gonzalo Garramuño, … Matthias Melcher8

Aug 23

Handling composed key for international text

„Compare“ originates from OS's that use several keystrokes to write one character. For example,

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Handling composed key for international text

„Compare“ originates from OS's that use several keystrokes to write one character. For example,

Aug 23

danielc...@gmail.com, … Gonzalo Garramuño10

Aug 22

fltk resizable fixed height

El 22/8/25 a las 15:35, 'Albrecht Schlosser' via fltk.general escribió: If there are other

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fltk resizable fixed height

El 22/8/25 a las 15:35, 'Albrecht Schlosser' via fltk.general escribió: If there are other

Aug 22

Daniel G., Manolo3

Aug 14

Remove border/shadow of Fl_Choice.H widget

Thank you for your help, not satisfying but works well! :) Manolo schrieb am Donnerstag, 14. August

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Remove border/shadow of Fl_Choice.H widget

Thank you for your help, not satisfying but works well! :) Manolo schrieb am Donnerstag, 14. August

Aug 14

duncan gibson, … Greg Ercolano4

Aug 12

C++ Weekly - Ep 493 - C++ GUI Quick Start with FLTK

On 8/12/25 03:04, Ian MacArthur wrote: I'm slightly "confused" by the conjunction of

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C++ Weekly - Ep 493 - C++ GUI Quick Start with FLTK

On 8/12/25 03:04, Ian MacArthur wrote: I'm slightly "confused" by the conjunction of

Aug 12

Lucas Sanner, … Ian MacArthur6

Aug 12

Multiple Document Interface system ?

Thank you guys for your help and advice. After checking out Albrecht's link I think I'm gonna

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Multiple Document Interface system ?

Thank you guys for your help and advice. After checking out Albrecht's link I think I'm gonna

Aug 12

Rob McDonald, … Ian MacArthur9

Aug 11

Key-mouse combined event on Mac

On Saturday, 9 August 2025 at 15:16:41 UTC+1 Phill wrote: Yes the fact that US and UK keyboards

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Key-mouse combined event on Mac

On Saturday, 9 August 2025 at 15:16:41 UTC+1 Phill wrote: Yes the fact that US and UK keyboards

Aug 11

Albrecht Schlosser

Aug 9

FYI: Debian 13 (Trixie) has been released with FLTK 1.4.3

... and is on its way to the mirrors (my own mirror got it already). Debian Trixie is now 'Stable

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FYI: Debian 13 (Trixie) has been released with FLTK 1.4.3

... and is on its way to the mirrors (my own mirror got it already). Debian Trixie is now 'Stable

Aug 9

Nikolay Tomov, … Albrecht Schlosser5

Aug 9

FLTK as a service.

On 8/9/25 14:03 e...@ohnezutaten.de wrote: Hi Nikolay, Am Freitag, 8. August 2025, 22:12 schrieb

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FLTK as a service.

On 8/9/25 14:03 e...@ohnezutaten.de wrote: Hi Nikolay, Am Freitag, 8. August 2025, 22:12 schrieb

Aug 9

Lucas Sanner, … Albrecht Schlosser5

Jul 30

Make only the main window resizable ?

Thanks for the code, it helped. In the end, the dummy invisible box is unnecessary. g->resizable(

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Make only the main window resizable ?

Thanks for the code, it helped. In the end, the dummy invisible box is unnecessary. g->resizable(

Jul 30

Dave Allured - NOAA Affiliate, … Manolo9

Jul 30

Option to specify applications directory

On Wednesday, July 30, 2025 at 12:37:49 AM UTC-6 Manolo wrote: As Albrecht previously wrote here,

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Option to specify applications directory

On Wednesday, July 30, 2025 at 12:37:49 AM UTC-6 Manolo wrote: As Albrecht previously wrote here,

Jul 30

Mo_Al_, … Manolo3

Jul 28

Crash when hovering menu item

Neither do I get a crash here with the C++ repo program under Wayand and Ubuntu 25.04 with 2 displays

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Crash when hovering menu item

Neither do I get a crash here with the C++ repo program under Wayand and Ubuntu 25.04 with 2 displays

Jul 28

Albrecht Schlosser, Matthias Melcher2

Jul 20

FLTK 1.4.4 released on July 20, 2025

Thank you very much for your work, Albrecht!

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FLTK 1.4.4 released on July 20, 2025

Thank you very much for your work, Albrecht!

Jul 20

Pierre Jasmin, Gonzalo Garramuño7

Jul 10

On 7/10/25 1:56 PM, Gonzalo Garramuño wrote: > > Can you share with me the Linux pipeline that

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On 7/10/25 1:56 PM, Gonzalo Garramuño wrote: > > Can you share with me the Linux pipeline that

Jul 10

danielc...@gmail.com, … Manolo8

Jul 5

default Fl::gl_visual

Le vendredi 4 juillet 2025 à 16:59:55 UTC+2, danielc...@gmail.com a écrit : And how to know if

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default Fl::gl_visual

Le vendredi 4 juillet 2025 à 16:59:55 UTC+2, danielc...@gmail.com a écrit : And how to know if

Jul 5

danielc...@gmail.com, … Ian MacArthur4

Jun 27

FL gl rendering on software rendering and delayed events

I solved with this: case FL_DRAG: static std::chrono::steady_clock::time_point last_event=std::chrono

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FL gl rendering on software rendering and delayed events

I solved with this: case FL_DRAG: static std::chrono::steady_clock::time_point last_event=std::chrono

Jun 27

Gonzalo Garramuño, … Greg Ercolano5

Jun 26

What was Nuke's first scripting language?

On 6/26/2025 12:05 PM, Greg Ercolano wrote: > > On 6/26/25 01:27, 'Matthias Melcher'

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What was Nuke's first scripting language?

On 6/26/2025 12:05 PM, Greg Ercolano wrote: > > On 6/26/25 01:27, 'Matthias Melcher'

Jun 26

Gonzalo Garramuño

Jun 26

For Bill: What was Nuke's first coding language?

-- ggar...@gmail.com

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For Bill: What was Nuke's first coding language?

-- ggar...@gmail.com

Jun 26

Roberto Panetta, … Manolo8

Jun 25

Correct settings for CMake to compile FLTK for Mac universal (target 10.13)

I forgot to add that you need to select the Release mode to obtain 2-architecture products. The Debug

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Correct settings for CMake to compile FLTK for Mac universal (target 10.13)

I forgot to add that you need to select the Release mode to obtain 2-architecture products. The Debug

Jun 25

Gonzalo Garramuño, Heart Bleed5

Jun 24

Re: [fltk.general] Need advice respected members

On Monday, 23 June 2025 at 23:27:16 UTC+5:30 wrote: >Don't call me, Sir. I did not get

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Re: [fltk.general] Need advice respected members

On Monday, 23 June 2025 at 23:27:16 UTC+5:30 wrote: >Don't call me, Sir. I did not get

Jun 24

david allen, … Albrecht Schlosser13

Jun 22

Problem with Windows development

On 6/19/25 17:32 Gonzalo Garramuño wrote: > > El 19/6/25 a las 12:06, david allen escribió:

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Problem with Windows development

On 6/19/25 17:32 Gonzalo Garramuño wrote: > > El 19/6/25 a las 12:06, david allen escribió:

Jun 22

danielc...@gmail.com, Greg Ercolano3

Jun 22

Fl::awake on linux dont work

That's it, thank you Em domingo, 22 de junho de 2025 às 04:36:09 UTC+1, er...@seriss.com escreveu

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Fl::awake on linux dont work

That's it, thank you Em domingo, 22 de junho de 2025 às 04:36:09 UTC+1, er...@seriss.com escreveu

Jun 22

Franck Barbenoire, … Albrecht Schlosser6

Jun 22

strange behaviour with Fl_Scroll

On 6/22/25 11:57 'Albrecht Schlosser' via fltk.general wrote: In a first attempt I used

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strange behaviour with Fl_Scroll

On 6/22/25 11:57 'Albrecht Schlosser' via fltk.general wrote: In a first attempt I used

Jun 22

Franck Barbenoire

Jun 20

Uncheckable check boxes in a scrolling area

Hello all, I noticed a problem involving Fl_Scroll and a list of check boxes. I don't know

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Uncheckable check boxes in a scrolling area

Hello all, I noticed a problem involving Fl_Scroll and a list of check boxes. I don't know

Jun 20

fischer...@gmail.com, … Heart Bleed14

Jun 20

FLTK-based cross-platform CSV editor Tablecruncher now open source

@Er..... Yes sir. I was looking for something like that @fisher..... I really think I would learn a

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FLTK-based cross-platform CSV editor Tablecruncher now open source

@Er..... Yes sir. I was looking for something like that @fisher..... I really think I would learn a

Jun 20

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