Lazarus doesn't show components in the Form at runtime.
lazarus / 32-Linux

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freeman · 2020-11-25 11:34

Hi,
I am new. I installed Lazarus IDE on Ubuntu 20.04.1 LTS from apt
package manager. IDE is working very well. I am adding the components
at design time to the Form.
But when I run the application, no components appear in the form.  I
am facing an empty form.

Here is the terminal output:
Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i
TLazarusManager.Run starting /home/freeman/.lazarus/bin/lazarus
...Hint: (lazarus) [TMainIDE.ParseCmdLineOptions]
PrimaryConfigPath="/home/freeman/.lazarus"Hint: (lazarus)
[TMainIDE.ParseCmdLineOptions]
SecondaryConfigPath="/etc/lazarus"Looking for code tools config file:
 "/home/freeman/.lazarus/codetoolsoptions.xml"NOTE: codetools config
file not found - using defaultsHint: (lazarus)
[TBuildManager.SetBuildTarget] Old=x86_64-linux-gtk2 New=x86_64-linux-
gtk2 Changed: OS/CPU=True LCL=FalseLoadLFM Creating designer for
hidden component of /home/freeman/fp/unit1.pasInitOpenedProjectFile
select form in designer: Form1:TForm1 TDesignerHint: (lazarus)
[TMainIDE.DoRunProject] INITError: (lazarus) [TMainIDE.DoBuildProject]
MainBuildBoss.DoCheckIfProjectNeedsCompilation nothing to be
done[TCmdLineDebugger] Debug PID: 23642Hint: (lazarus)
[TMainIDE.DoRunProject] Debugger=TGDBMIDebuggerHint: (lazarus)
[TMainIDE.DoRunProject] ENDTGDBMIDebugger.StartDebugging
WorkingDir="/home/freeman/fp/"LAZARUS END - cleaning up ...Hint:
(lazarus) [TMainIDE.Destroy] B  -> inherited Destroy... TMainIDEHint:
(lazarus) [TMainIDE.Destroy] END  

Example:
https://imgur.com/a/U8I7ekI

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Sieben · 2020-11-25 11:51

Can you close that form the conventional way then or do you have to
'kill' it? Anyway, you might want to have a look at:

https://forum.lazarus.freepascal.org/index.php/topic,35958.0.html

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freeman · 2020-11-25 12:01

I have to 'kill' it and  Project1 is not responding.  ... ... ... 
Force Quit/Wait window appears automatically.

I'm looking at the thread you posted.
I will post  the result here.

Thanks.

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lucamar · 2020-11-25 12:45

Can you post your project here (use "Project->Publish project", see
Sharing large pieces of code)?

That way we can test it thoroughly. I'm normally on Xubuntu 20.04 and
this have never (yet, cross fingers) happened.

From your description it looks like something is preventing the form
from initializing, so it never gets to the point of loading/creating
the controls, but I've no idea what it might be ... unless you don't
have a proper GTK setup or some libraries are missing. I kind of
recall someone having this kind of problem in Ubuntu 18+

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wp · 2020-11-25 13:04

I had a similar case recently: Are you sure that the resource is
linked? There are two ways:
- .res resource: In this case, your form unit must contain the line {R
*.lfm} after the "implementation" keyword.
- .lrs resource: In this case, your form unit must "use" the unit
"LResources" and have and "initialization" section with the line {$I
<unit name>.lrs}

If you cannot find any of these lines, add the {$R *.lfm} after
"implemenation".