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Mailing lists / lazarus

lazarus · 2019-05

  1. really strange messagedlg hang

    I have a relatively complex, multithreaded application, compiled with lazarus 1.6.4/fpc 2.6.4 (it's the same application I reported in fpc-devel having a problem with…

    Luca Olivetti, Martin Frb
    4
  2. Win32 TPenStyle psDot is ugly

    According to MS docs, psDot style must give nice looking 1 pixel dots. https://docs.microsoft.com/en-us/windows/desktop/gdi/pen-style Lazarus creates pen via Widgetset's…

    AlexeyT, Nigel Lightfoot
    2
  3. tiOPF is looking for a new project maintainer

    I have really enjoyed working with tiOPF for 15+ years and have written tons of database and non-database applications that used tiOPF. It was also the project that…

    Graeme Geldenhuys, Joe
    1
  4. Lazarus 2.0.2 can no longer rename procedures/methods?

    As per the subject, right clicking on a procedure/method, the "refactoring->rename identifier" item is greyed out. It was available in 1.8.x. Is there some setting to…

    Luca Olivetti
    1
  5. How to switch a project from 32 to 64 bit (on Windows 7 x64)?

    I started out on a project using Lazarus/Fpc 32 bit (2.0.0/3.0.4) and now I want to switch to the 64 bit version of Lazarus/Fpc. I have installed both 32 and 64 bit…

    Bo Berglund, Patrick Chevalley, Werner Pamler
    8
  6. is there a free Grid component better than the default TStringGrid?

    I am hoping one that supports different column types editing without much coding on my side. thanks in advance. Dennis -------------- next part -------------- An HTML…

    Dennis, John Landmesser, Luca Olivetti
    6
  7. Compile time varies dependiong on usage, why?

    Lazarus 2.0.0 / FPC 3.0.4 (both 32 bit) on Windows 7-x64 When I am working on my project and for example make a small change like moving a few controls on the form, then…

    Bo Berglund, Luca Olivetti, Mattias Gaertner
    5
  8. Patch for TreeFontTyle AVLTree

    https://github.com/graemeg/lazarus/commit/34d02cea12df535b67cb07f45d02e2b06134dc66 better this (Result can be any int!) begin   Result:= TFreeTypeGlyph(Item1).Index -…

    AlexeyT
    0
  9. Another update sound shop

    For those that have been following along I've posted another update to my sound shop program. Sound shop is a program to help kids learn programming where they can write…

    Anthony Walter
    1
  10. Displaying additional chm help files in the IDE for other packages

    Motivated by Don Siders' updates to lcl xml help files I began to add to the help files for TAChart, too. The new hints do show up in the code editor, and now I am able…

    Werner Pamler, Sergey Bodrov
    1
  11. Jedi Code Formatter (JCF) issues

    Is there an actual JCF (included with Lazarus) maintainer? I've recently been using it quite a bit and noticed a couple of problems. I'll obviously try and fix them…

    Graeme Geldenhuys, Tom Lisjac
    1
  12. Hints not working - what is wrong?

    32 bit Lazarus 2.0.0, Fpc 3.0.4 on Windows 7 x64 I have tried in vain to make hints show up in the GUI of my application. I have set the hint strings for TButton,…

    Bo Berglund, Bart
    2
  13. CHM doc snapshot (FPC 3.2, Lazarus trunk branches)

    I worked a bit on the chm package, and as a test I regenerated the CHMs as a test. So why not release for alpha testing? This contains both FPC 3.2 branch and Lazarus…

    Marco van de Voort
    0
  14. Grids micro issue

    procedure TCustomGrid.AutoAdjustColumns;   For i:=0 to ColCount do     AutoAdjustColumn(i); //must be ColCount-1 Alexey

    AlexeyT, Jesus Reyes A.
    1
  15. Update sound shop my next tutoring project

    I have summer camp with several successive week long classes coming up and am trying to put together some fun programming materials to engage the kids and hopefully…

    Anthony Walter, José Mejuto, Marc Weustink
    19
  16. small cleanup utf8process

    When I redid TProcess for trunk, I saw some legacy FPC 2.6.x code in utf8process (OLDTProcess define), I assume that can be cleaned up?  It mostly has to do with old…

    Marco van de Voort
    0
  17. TProgressbar moves slowly, is there a hidden setting for faster response?

    I am trying to use a TProgressbar to display the position of a playing video. This works OK while playing. Now I want to reposition the video by clicking on the progress…

    Bo Berglund, Alexey, Ondrej Pokorny
    8
  18. IDE target names

    In the IDE "Target" sheet page we have OS names 1- "Beos"- consider to change to better casing "BeOS" (Wikipedia) 2- "go32v2" - the same--> "Go32v2" 3- "iphonesim" - the…

    AlexeyT, Marco van de Voort
    1
  19. TBitBtn image, how to make background transparent?

    I am trying to make a bitmap image for a TBitBtn button such that the background of the image will be transpoarent and therefore the button color will be visible. But I…

    Bo Berglund, Ondrej Pokorny
    3
  20. PasLibVlc error handling?

    Does anyone here know how to make PasLibVlc supply an error code or error message when an error occurs? I have implemented the event OnMediaPlayerEncounteredError in…

    Bo Berglund
    1
  21. Lazarus throws error when trying to open an event procedure from the form

    FPC 3.0.4 / Lazarus 2.0.0 32 bit on Windows 7 x64 A project that builds without errors or warnings throws up an error dialog whenever in order to see its event function…

    Bo Berglund, Ondrej Pokorny
    2
  22. Qt4: circle painted with artifact

    I noticed that Qt4 build of CudaText paints tabs' X on mouse-over wrong. Picture attached (1K). It is ATTabs code - see here…

    AlexeyT, zeljko
    1
  23. Detailed message about "incompatible ppu=..."

    wsgrids.pp(13,30) Fatal: Cannot find WSGrids used by Grids, incompatible ppu=/home/user/lazarus/lcl/units/x86_64-linux/wsgrids.ppu, package LCLBase I didn't show that…

    AlexeyT, Alexey Tor., Mattias Gaertner
    2
  24. IDE: ColorBox not ok height

    In /Environment - Messages Window/ pane of options dialog, we have 2 colorbox'es. They have same height on Linux gtk2. On Win10 with High-dpi 150%, they have different…

    AlexeyT
    0
  25. Info on the big-O notation

    [not Lazarus specific, but more a general programming question] Has anybody got a good URL or document or summary email that explains the big-O notation? It is often…

    Graeme Geldenhuys, Alexander Klenin
    2
  26. Dark theme suggestion

    Over on mantis I submitted a request to add a new dark theme for the Pascal Editor. Bellow are two screenshots, one is of the dark theme colors, and the other is of the…

    Anthony Walter, Graeme Geldenhuys, Martin Frb
    4
  27. TTrackBar alternative allowing slider move by clicking the bar?

    I am navigating a video using a TTrackBar component using an example from a blogpost. It works well to drag the handle and reposition the video when the handle is…

    Bo Berglund
    0
  28. Bug: TPortableNetworkGraphic deson't work correclty on gtk2 Linux

    Can someone take a look at this bug? There are two issues here. 1) The ScanLine property of a 32 bpp TPortableNetworkGraphic misbehaves if the image width falls into…

    Anthony Walter
    0
  29. How to install lazvlc?

    I would like to add a video player to my Lazarus program (currently on Windows using Laz 2.0.0). I have browsed through the article "Displaying video files using Free…

    Bo Berglund, Michael Van Canneyt
    7
  30. Self-set breakpoint on a procedure?

    I have been using Lazarus IDE v2.0.0 r60307 with fpc 3.0.4 on a 64bit Windows 10 machine without major issues. However, the debugger inserted a breakpoint on the first…

    Pedro Restrepo, Martin Frb
    2
  31. Soliciting help with next tutoring project, playing sounds and music

    In my current thread on the subject of "Next tutoring project" I believe I've nailed down my idea. The project will be a node based sound and effect generation program…

    Anthony Walter, José Mejuto, Mehmet Erol Sanliturk
    6
  32. Feedback Wanted: Next tutoring project

    As some of you may have been following, a little more than a week ago I asked for community feedback on an a project I was planning. The project turned out very well and…

    Anthony Walter, Howard Page-Clark, Koenraad Lelong
    7
  33. LCL customdraw and LCL fpGUI bug

    Hi! I'm trying to test some features on LCL CustomDraw and fpGUI. CustomDraw compiles fine, fpGUI needs some fixes, but this isn't the problem. The problem is that both…

    Fabio Luis Girardi, Graeme Geldenhuys
    3
  34. FHandle causes AV in TMonitor.GetPixelsPerInch()

    I'm debugging the issue reported about LCL-CustomDraw and lcl-fpgui causing an AV at application start up. I traced the issue back to TMonitor.GetPixelsPerInch() which…

    Graeme Geldenhuys
    0
  35. Image Shop, a tool for students learning to program

    I wanted to follow up on a concept OI ran past everyone last Friday. Here is the final product of a tool I created to encourage programming students to learn programming…

    Anthony Walter, José Marques Pessoa, Marcos Douglas B. Santos
    5
  36. Cross platform font from file?

    Does anyone know if the LCL contains a wrapper to allow for loading and using a font from a file across Windows, Mac, and Linux platforms? -------------- next part…

    Anthony Walter, Ondrej Pokorny
    1