[Lazarus] TStringGrid and cancelling a modal form
Mark Morgan Lloyd
markMLl.lazarus at telemetry.co.uk
Tue Mar 13 09:21:31 CET 2018
On 13/03/18 08:00, zeljko wrote:
> On 03/12/2018 08:05 PM, Mark Morgan Lloyd via Lazarus wrote:
>> On 12/03/18 17:45, José Mejuto via Lazarus wrote:
>>> El 12/03/2018 a las 18:25, Mark Morgan Lloyd via Lazarus escribió:>
>>
>>> On the main form I've got (a tabbed notebook containing multiple >
>>> instances of) a TStringGrid. The OnSelection event invokes a modal
>>> form > (containing nothing of significant complexity) with OK and
>>> Cancel > buttons, and stripped down looks like this:
>>> Hello,
>>> Just for testing the OnSelection is raised by mouse click ? If the
>>> answer is yes, try to click the cell and keep the mouse button
>>> pressed. If the form appears the grid is still waiting for a MOUSE_UP
>>> (thinking you are holding MOUSE_DOWN to perform a selection) and the
>>> modal form has its own queue, so MOUSE_UP never arrives.
>>
>> Yes, the modal form appears while the mouse button is held down (for
>> both GTK2 and Qt).
>>
>
> So, yes, seem that grid expects mouseup
Is there a portable way this can be sent? Otherwise I presume I could
fudge it with something like QueueAsyncCall()... unless that also went
through before the mouse activity was sorted out.
I'm fairly keen to hack this in such a way that it's not tied to one
version of the LCL since I want this program to be fairly easy to build
even for people with an old (or no existing) copy of Lazarus etc.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
More information about the Lazarus
mailing list