Re: [Lazarus] Form events firing order and count

El 25/02/2018 a las 9:03, Gabor Boros via Lazarus escribió: For me the good order is the real order independently from the other widgetsets. For example at form maximize, the form moved to 0,0 coordinates then it's size increased. At form restore, form's size decreased then moved to the

Re: [Lazarus] Form events firing order and count

On Mon, Feb 19, 2018 at 7:09 AM, Ondrej Pokorny via Lazarus wrote: > True words. IMO we can apply the same to LCL events: the order/count is an > implementation detail and depends on the underlying widgetset. > I agree, and am glad to find this was brought up. On

Re: [Lazarus] Form events firing order and count

> I will mention 1 case in point. Const parameters. > > For years, people mistakenly assumed that Const parameters were > be passed by reference if they were "big" (records), a behaviour which > Delphi exhibited. People actually believed that? When the documentation explicitly stated that var

Re: [Lazarus] Form events firing order and count

On Mon, 19 Feb 2018, DougC via Lazarus wrote: On Mon, 19 Feb 2018 13:47:14 -0500 Michael Van Canneyt via Lazarus lazarus@lists.lazarus-ide.org wrote And documented behaviour is what the language guide of Delphi states. Is there such a language guide for the language features

Re: [Lazarus] Form events firing order and count

On Mon, 19 Feb 2018 13:47:14 -0500 Michael Van Canneyt via Lazarus lazarus@lists.lazarus-ide.org wrote And documented behaviour is what the language guide of Delphi states. Is there such a language guide for the language features introduced in the last 10 years? AFAIK

Re: [Lazarus] Form events firing order and count

On Mon, 19 Feb 2018, Martok via Lazarus wrote: Am 19.02.2018 um 11:10 schrieb Sven Barth via Lazarus: As long as the code does not rely on undocumented behavior, yes. And therein lies the issue. Things that worked the same way for >25 years and are mentioned explicitly in numerous secondary

Re: [Lazarus] Form events firing order and count

Am 19.02.2018 um 11:10 schrieb Sven Barth via Lazarus: > As long as the code does not rely on undocumented behavior, yes. And therein lies the issue. Things that worked the same way for >25 years and are mentioned explicitly in numerous secondary literature are considered "undocumented". And

Re: [Lazarus] Form events firing order and count

On 19.02.2018 13:51, Michael Van Canneyt via Lazarus wrote: If your code relies on implementation details, it won't always work obviously. But if you spot differences in behaviour, you can notify the devs. There are then 2 options: - They try to fix the behaviour. - They explain why it works

Re: [Lazarus] Form events firing order and count

On Mon, 19 Feb 2018, Martok via Lazarus wrote: Am 19.02.2018 um 00:18 schrieb Michael Van Canneyt via Lazarus: Why is it obviously not true ? It's obviously not true that it is compatible at the binary level. FPC does not produce the same binary code I'm more talking about the macroscopic

Re: [Lazarus] Form events firing order and count

Am 19.02.2018 10:29 schrieb "Martok via Lazarus" < lazarus@lists.lazarus-ide.org>: > But source code written for Delphi must compile in FPC. Should it also do something *similar*? As long as the code does not rely on undocumented behavior, yes. Regards, Sven --

Re: [Lazarus] Form events firing order and count

Am 19.02.2018 um 00:18 schrieb Michael Van Canneyt via Lazarus: > Why is it obviously not true ? It's obviously not true that it is compatible > at the binary level. FPC does not produce the same binary code I'm more talking about the macroscopic perspective. Of course the binary code may be

Re: [Lazarus] Form events firing order and count

On Sun, 18 Feb 2018, Martok via Lazarus wrote: Am 18.02.2018 um 20:39 schrieb Michael Van Canneyt via Lazarus: It's already fixed in SVN :) FYI: Line 121 contains a double http:// Line 234 is missing a "y" on "necessar_y_". Also, while we're apparently in the off-topic section of this

Re: [Lazarus] Form events firing order and count

Il 18/02/2018 19:06, Graeme Geldenhuys via Lazarus ha scritto: Are there any defined tests or test projects that can confirm LCL-Win32 is compatible with Delphi's VCL? I'm talking about events, order of events firing. I hope that nobody will spend time which could be used for constructive

Re: [Lazarus] Form events firing order and count

Il 18/02/2018 19:42, Ondrej Pokorny via Lazarus ha scritto: Do you mean TForm.OnPaint? Yes, sorry for the typo. Giuliano -- ___ Lazarus mailing list Lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus

Re: [Lazarus] Form events firing order and count

Am 18.02.2018 um 20:39 schrieb Michael Van Canneyt via Lazarus: > It's already fixed in SVN :) FYI: Line 121 contains a double http:// Line 234 is missing a "y" on "necessar_y_". Also, while we're apparently in the off-topic section of this thread, a thought: """ fpc is designed to be, as much

Re: [Lazarus] Form events firing order and count

On 18.02.2018 20:39, Michael Van Canneyt via Lazarus wrote: On Sun, 18 Feb 2018, Ondrej Pokorny via Lazarus wrote: The FPC team just forgot to update an outdated page. It's already fixed in SVN :) I expected Graeme to send a patch and help a little bit but you were obviously eager to fix

Re: [Lazarus] Form events firing order and count

On Sun, 18 Feb 2018, Ondrej Pokorny via Lazarus wrote: On 18.02.2018 19:48, Graeme Geldenhuys via Lazarus wrote: I understood that, I just wasn't sure if that was a "FPC goal" like the statement mentioned the D7 goal. I assumed any features post D7 was just a bonus - thanks to development

Re: [Lazarus] Form events firing order and count

On 18.02.2018 19:06, Graeme Geldenhuys via Lazarus wrote: On 2018-02-18 10:09, Ondrej Pokorny via Lazarus wrote: Yes, it does. It is Delphi. 1) Not everybody owns a copy of Delphi to compare. Since when is it a good idea to have a Open Source project rely on a Commercial product. Come on,

Re: [Lazarus] Form events firing order and count

Am 18.02.2018 um 19:48 schrieb Graeme Geldenhuys via Lazarus: > On 2018-02-18 18:34, Michael Van Canneyt via Lazarus wrote: >> That said, a small look at the language guide will of course convince even >> the most malicious person that we also aim to be compatible - at the >> language level -

Re: [Lazarus] Form events firing order and count

On 2018-02-18 18:34, Michael Van Canneyt via Lazarus wrote: That said, a small look at the language guide will of course convince even the most malicious person that we also aim to be compatible - at the language level - with recent Delphis... I understood that, I just wasn't sure if that

Re: [Lazarus] Form events firing order and count

On 18.02.2018 17:19, Giuliano Colla wrote: Il 18/02/2018 11:54, Ondrej Pokorny ha scritto: What events are generated? onFormPaint Do you mean TForm.OnPaint? --- No, no, no, no. Setting MyLabel.Color and any other visual property does NOT fire any paint event/method/whatever - neither in

Re: [Lazarus] Form events firing order and count

On Sun, 18 Feb 2018, Florian Klämpfl via Lazarus wrote: Am 18.02.2018 um 19:18 schrieb Graeme Geldenhuys via Lazarus: On 2018-02-18 18:14, Graeme Geldenhuys via Lazarus wrote: On 2018-02-18 18:10, Florian Klämpfl via Lazarus wrote: What makes you think so? Michael van Canneyt. And

Re: [Lazarus] Form events firing order and count

Am 18.02.2018 um 19:18 schrieb Graeme Geldenhuys via Lazarus: > On 2018-02-18 18:14, Graeme Geldenhuys via Lazarus wrote: >> On 2018-02-18 18:10, Florian Klämpfl via Lazarus wrote: >>> What makes you think so? >> >> Michael van Canneyt. > > > And quoting the official FPC documentation from the

Re: [Lazarus] Form events firing order and count

On 2018-02-18 18:06, Graeme Geldenhuys via Lazarus wrote: 1) Not everybody owns a copy of Delphi to compare. Since when is it a good idea to have a Open Source project rely on a Commercial product. By that I also mean forcing people to own a copy of Windows and a copy of Delphi just to see

Re: [Lazarus] Form events firing order and count

Am 18.02.2018 um 19:06 schrieb Graeme Geldenhuys via Lazarus: > > 2) FPC seems to target Delphi 7 compatibility - What makes you think so? -- ___ Lazarus mailing list Lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus

Re: [Lazarus] Form events firing order and count

On 18.02.2018 19:08, Graeme Geldenhuys via Lazarus wrote: On 2018-02-18 10:44, Giuliano Colla via Lazarus wrote: To achieve the Delphi behavior in Lazarus I should code: MyLabel.Color := clRed; Application:ProcessMessages; MyLabel.Color := clGreen; If that's true No, it is not true.

Re: [Lazarus] Form events firing order and count

On 2018-02-18 10:44, Giuliano Colla via Lazarus wrote: To achieve the Delphi behavior in Lazarus I should code: MyLabel.Color := clRed; Application:ProcessMessages; MyLabel.Color := clGreen; If that's true, then the above is not Delphi compatible, and thus LCL is back to square one, of

Re: [Lazarus] Form events firing order and count

On 2018-02-18 10:09, Ondrej Pokorny via Lazarus wrote: Yes, it does. It is Delphi. 1) Not everybody owns a copy of Delphi to compare. Since when is it a good idea to have a Open Source project rely on a Commercial product. 2) FPC seems to target Delphi 7 compatibility - but considering how

Re: [Lazarus] Form events firing order and count

Il 18/02/2018 11:54, Ondrej Pokorny ha scritto: What events are generated? onFormPaint Giuliano -- ___ Lazarus mailing list Lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus

Re: [Lazarus] Form events firing order and count

El 18/02/2018 a las 0:52, Graeme Geldenhuys via Lazarus escribió: On 2018-02-17 16:59, Gabor Boros via Lazarus wrote: to answer your question I'm hoping that effort translates well to LCL-fpGUI too. Hello, I was talking about LCL-fpGUI with reation to other LCL based platforms. As I do

Re: [Lazarus] Form events firing order and count

On 18.02.2018 11:44, Giuliano Colla wrote: Il 18/02/2018 11:09, Ondrej Pokorny via Lazarus ha scritto: On 18.02.2018 0:59, Graeme Geldenhuys via Lazarus wrote: Now comes the BIG question... Does LCL have a reference implementation? Yes, it does. It is Delphi. That's not true, as far as

Re: [Lazarus] Form events firing order and count

Il 18/02/2018 11:09, Ondrej Pokorny via Lazarus ha scritto: On 18.02.2018 0:59, Graeme Geldenhuys via Lazarus wrote: Now comes the BIG question... Does LCL have a reference implementation? Yes, it does. It is Delphi. That's not true, as far as events triggering is concerned. Delphi

Re: [Lazarus] Form events firing order and count

Il 18/02/2018 00:59, Graeme Geldenhuys via Lazarus ha scritto: Now comes the BIG question... Does LCL have a reference implementation? Which LCL widgetset gives the correct behaviour and feature list, that the other LCL widgetsets need to follow or mimic? IMHO that's impossible to achieve.

Re: [Lazarus] Form events firing order and count

On 18.02.2018 0:59, Graeme Geldenhuys via Lazarus wrote: Now comes the BIG question... Does LCL have a reference implementation? Yes, it does. It is Delphi. Ondrej -- ___ Lazarus mailing list Lazarus@lists.lazarus-ide.org

Re: [Lazarus] Form events firing order and count

On 2018-02-17 18:37, José Mejuto via Lazarus wrote: Is that nightmare exists with LCL-fpGUI also? Probably in LCL-fpGUI the order is not the same Now comes the BIG question... Does LCL have a reference implementation? Which LCL widgetset gives the correct behaviour and feature list, that

Re: [Lazarus] Form events firing order and count

On 2018-02-17 16:59, Gabor Boros via Lazarus wrote: Is that nightmare exists with LCL-fpGUI also? I can't speak much for LCL-fpGUI, but in "pure fpGUI" I spent probably a year of testing and development making sure the same events fire in the same order under all fpGUI supported platforms. I

Re: [Lazarus] Form events firing order and count

El 17/02/2018 a las 17:59, Gabor Boros via Lazarus escribió: 2018. 02. 17. 17:26 keltezéssel, Graeme Geldenhuys via Lazarus írta: event orders and LCL was a nightmare - to the point that we moved to a completely different solution/toolkit. Is that nightmare exists with LCL-fpGUI also? Gabor

Re: [Lazarus] Form events firing order and count

2018. 02. 17. 17:26 keltezéssel, Graeme Geldenhuys via Lazarus írta: At the time (circa 2006) our application relied heavily on specific event orders and LCL was a nightmare - to the point that we moved to a completely different solution/toolkit. Is that nightmare exists with LCL-fpGUI

Re: [Lazarus] Form events firing order and count

On 2018-02-16 17:40, Gabor Boros via Lazarus wrote: I want to know when a form maximized, restored or moved. But completely lost between form's events. I reported the LCL problem of inconsistent events and order of events between LCL widgetsets (at the time I compared LCL-QT3, LCL-Win32 and

Re: [Lazarus] Form events firing order and count

When I was in the same situation, I modified each procedure / function to read procedure xxx begin {first line} write('procedure xx opened'); ... {last line} writeln('procedure xxx closed'); end; This produced on the console an easy trace of who called whom, and how they were stacked.

[Lazarus] Form events firing order and count

Hi All, I want to know when a form maximized, restored or moved. But completely lost between form's events. See below what I got with the attached example project. For example 1 WindowPosChanged at application start with Linux-Qt and 3 with Windows, with Linux-Qt form maximize and restore