lazarus · 2010-11
- StringGrid performance problems14
Op 2010-11-16 18:14, Lee Jenkins het geskryf: Following up from Lee's post, but related to StringGrids. I too tried to used LCL again, for a External Tracing/Debugging…
- Form position and size not preserved9
Since some time the UI position and size of the forms of Lazarus are not preserved anymore. If I for instance organize them in a certain way and then press compile, the…
- What is a TSQLTransaction and why do I need one?70
Before anything else I'd like to say that I'm entirely familiar with transactions in the SQL context. However I've been having a bit of difficulty sorting out the…
- GUI development for web UI111
Well I know about the framework fur Javascript library in Lazarus, but I'm thinking in the past year or so, what will it take to design a gui application using Lazarus,…
- I desperately need some ideas of reducing edit, compile, debug cycle35
One thing that has always gottem to me when using Delphi and now Lazarus is the tedious edit, compile, debug cycle. It has been growing worse of late that now I am…
- How to use environment variables in lazarus IDE config?6
I would like to specify things like the base location of files using environment variables rather than entering full paths. In Delphi this can be done by using the…
- How to tell lazarus the location of a used package?26
I have switched to using the SVN version of lazarus. I put it in parallel to the binary distribution lazarus so now I have two of them. After I retrieved lazarus from…
- changing some FPC units3
I'm trying to make modification in some units that are part of the FPC (the .o and .ppu are in the units folder). I took the source code, made my modification, rebuilt…
- Locking down a string grid1
If using a string grid in a panel on a form, with the grid set r/o and the containers sized to be a good fit, what's the right way to prevent the user from moving the…
- New unit with resource with some components on it by default4
Is it possible to add a 'new module' option to the ide which has by default some components on it? With a TFileDescPascalUnitWithResource, it is possible to add a new…
- Lazarus add-in for fpmake1
I've implemented something new for fpmake. It now supports 'add-inns'. This are regular packages, but they can be used to compile fpmake's. So you can extend the…
- Loading old project into Lazarus_fixes causes lock-up...28
All of this is on Windows XP SP3 in a VMWare virtual machine. Originally I installed Lazarus + FPC from the downloadable setup file for Windows. It installed FPC 2.2.4…
- WebData - Formatting ExtJSon fields2
Hi, I'm using WebData and I need to format some numbers as Currency before sending back from my app to the browser. How can I do that? Leonardo M. Ram?…
- Syntax checking from Lazarus3
In Delphi I use the "Syntax check" function a lot to verify that my project does not contain any illegal constructs or missing begin-end terminators etc. In Lazarus the…
- Small question regarding SpinEdit1
Hello together! Is it intended that a SpinEdit displays its name when it's dropped on a form at design time? It's working correctly at runtime (the default value is…
- Customizing IDE Toolbar1
Hi. Is there a tutorial or wiki file, on customizing (adding new toolbars or buttons) to the Lazarus IDE Toolbar. Not the component toolbar, but the toolbars for saving…
- TPicture beginupdate or similar3
Hi again, I'm doing some transformations on a TImage using Canvas.CopyRect and don't want to show intermediate steps before the final one is done, I need to do something…
- Portable way to enumerate serial ports?4
Is there a way that one can use to list the actual serial ports available on a system that will work on both Windows and Linux? That is, is there a class/method or such…
- Problem with revision 283446
Hello all When updating from svn, applying revision 28344 causes my app to fail with runtime error 202. Is there a problem with this patch or do I need a workround or…
- When do I need a component rather than a plain object?37
Does TObject have all the capabilities of TComponent apart from things like streaming and being used from the IDE component palette? I want to create an object which has…
- gnu debugger7
a I use Lazarus on Arch Linux 64bit. I installed gdb and configured this debugger. But when add a breakpoint in my source and start compilation this not effect. What can…
- TImage wrong image format4
Hi, I think I found a bug after following the next steps: 1) Place a TImage on a newly created form. 2) Click on "..." on Object Inspector -> Picture and load an image (I
- TBitmap magnifying glass effect3
Hi, I'm can anyone point me to an example on how to do a simple magnifying glass over a TImage?. What I want to do is to draw a zoomed area over a TImage at mouse…
- Rev 28494 breaks building lazarus on non-windows (Martin?).7
Revision 28494 in the cmdlinedebugger.pp (Martin) breaks compiling on Linux. GetTickCount is a windows-only call. Please fix this ASAP. Michael.
- Component Palette Image1
I have 2 trivial questions about the images that appear in the component palette. After download the last version of Lazarus (Windowze), I noticed that the component's…
- Applying optimization to the project units13
sometimes it takes time for a Delphi developer to understand the logic of fpc/lazarus packages and it's indeed content and full. Recently tried to measure different…
- Reading std::ostream from dll2
Hi, I'm working with a dll/so created with C++, that has a function which fills an std::ostream, and I need to read it from a FreePascal app using a buffer or TStream.…
- Displaying system menu8
Is there an easy and portable way of telling a form to display its system menu, for example in rsponse to a right-click? I'm trying to do something without border etc.…
- Carbon: Print out is mirrored5
When I print out over my printing module on Carbon then after second page it starts to print out mirrored where left is with right exchanged. This continues until I…
- Web Module not works on Linux33
Attached I send a project to reproduce the error. To reproduce the error, adds in "cgitest.lpr" the directive: {$DEFINE SOLVES_ERROR} On Ubuntu-10.10 I receive this…
- Debugging Lazarus IDE (Package access violation)6
I encountered several times when Package window fired access violation on different operations. I suppose I should report an issue, but just wondering, is it hard (if it…
- Property TComponent.Tag change3
To remain compatible with the upcoming Delphi 64-bit release, I've changed the 'Tag' property type from Integer -> PtrInt. The practical upshot from this is that you can…
- object casting to pointer3
Hi. I'm working witha TTreeview, and trying to assign a object to a TTreeNode.data property: <code> MyTreeNode := myTreeview.add(nil, "MyTreeNode"); // any "TObject"…
- Is there a Lazarus component that allows setting of visual properties at runtime and saving them?1
Is there a Lazarus component that allows setting of visual properties at runtime and saving them? I am thinking along the lines of the Object Debugger component by Marco…
- Installing LazReport - 8.0 or 0.9.7 - what version??5
For the first time I tried to add the package lazreport but I got this error: Unable to load package "lazreport (> = 8.00)" Steps I did: 1 - I clicked in menu: Package >…
- Windows Explorer context menu plug-in with fpc?9
Is it possible to make a Windows Explorer plug-in DLL using FPC/Lazarus? What I mean is the type where you see a submenu in the rightclick menu in Explorer like for…
- false "disk is full" messages4
Has anybody else received false "Disk is full" error messages from Lazarus IDE? Lazarus 0.9.29 r28160 FPC 2.4.3 x86_64-linux-gtk 2 I restarted Lazarus IDE a few times,…
- Compiling error with GLScene1
when I compile Lazarus (FPC 2.5.1) with official GLScene >= r5319 ( svn co https://glscene.svn.sourceforge.net/svnroot/glscene/trunk GLScene ) I get this error on…
- Delphi converter translations2
This mail is inspired by issue #17982: Replacement of dfm file The converter settings have a radiogroup for targets. I had to reorder them at one point when more options…
- New convert guidance2
Sorry if I posted in the wrong list. That's part of the question. I have just found Lazarus/FPC and I am blown away after a life of mainframe and PC VB6 and VB.net. …
- CI ( Continuous Integration )10
i realize that Lazarus is a "hobby" / volunteers project but is it possible to use some sort of Continuous Integration…
- Turn a TGroupBox into a TPanel3
The "ChildSizing" property allow several nice things with TGroupBox [1], congratulations to the team. Under GTK2, the TPanel still have some annoying bugs. If we had in…
- clDefault for brushes and fonts5
Hello, Lazarus mailing list. I want to inform you that starting with r28344 all controls default fonts an brushes will have clDefault color instead of clBtnFace/clWindow…
- trunk WinCE broken3
i just updated my local tree and got the following errors. C:\Users\dimitris\Documents\Programming\FreePascal\lazarus\ideintf>make LCL_PLAT FORM=wince OS_TARGET=wince…
- How do you create some kind of type definition based on adding a set if identical functions to different objects with different ancestors?2
I don't know whether interfaces are what I am looking for here. I am creating an object called TStateInfoSource which needs to display its state using different objects,…
- OnMouseWheel event issue2
I have a TPanel on a TForm and an event on the TForm.OnMouseWheel. This works when I use the mousewheel on the form. But as soon as the cursor is over the TPanel, the…
- Lazarus download page15
I've been playing to build some more user-friendly download page with installation instructions. Before I continue, I would like to know whay you guys find of the basic…
- Make option for specific package8
I was wondering how I can "make" Lazarus build with specific packages. Right now I need lazdaemon installed in the ide when I use make clean bigide. But I'm always…
- Does Lazarus support component templates?3
Does Lazarus support component templates, like in http://docwiki.embarcadero.com/RADStudio/en/Creating_and_using_component_templates_%28C%2B%2B%29 ? I think I saw them…
- LCL Defines2
where can i find all the current LCL defines ? For example -dUseVistaDialogs or -UseCLDefault ... Dimitrios Chr. Ioannidis