Hi Antonio,
Thank you very much for looking into it. I finally figured out the
issue. In my multiple monitor display my main display is in the center. So
the screen on the left actually has negative X coordinates. So CURSORPOS
returns negative values correctly. But my Match pattern was not accounting
for the negative sign so was returning nil.
Thanks,
Milind
On Wed, Apr 29, 2020, 4:41 AM Antonio Scuri <antonio.sc...@gmail.com> wrote:
> Hi,
>
> Finally I had some time to test this. I created a timer and inside it I
> call:
>
> printf("CURSORPOS=%s\n", IupGetGlobal("CURSORPOS"));
>
> It kept printing valid values even when I move the mouse to other
> monitors. Also I activated other applications in the secondary monitor and
> it kept working. I move the application itself for the second monitor and
> it kept working. It is still working while I type this in a different
> monitor...
>
> There is something else going on. I'm on Windows 10.
>
> This is a sample from the log:
>
> CURSORPOS=8080x1181
> CURSORPOS=8080x1181
> CURSORPOS=7902x1062
> CURSORPOS=7902x1062
> CURSORPOS=7773x1061
> CURSORPOS=6325x914
> CURSORPOS=1913x715
> CURSORPOS=1880x725
> CURSORPOS=877x727
> CURSORPOS=393x387
> CURSORPOS=1x230
> CURSORPOS=46x40
> CURSORPOS=18x24
> CURSORPOS=19x25
> CURSORPOS=19x25
> CURSORPOS=19x25
> CURSORPOS=1167x703
> CURSORPOS=1604x943
> CURSORPOS=2388x1379
> CURSORPOS=3509x1964
> CURSORPOS=3752x2046
> CURSORPOS=6419x1595
> CURSORPOS=7381x1410
> CURSORPOS=8955x1726
> CURSORPOS=9211x1488
> CURSORPOS=9202x1602
> CURSORPOS=9206x1605
> CURSORPOS=8272x1043
>
> Best,
> Scuri
>
>
>
> Em qua., 22 de abr. de 2020 às 12:56, Milind Gupta <milind.gu...@gmail.com>
> escreveu:
>
>> I use a timer.
>>
>> On Wed, Apr 22, 2020, 5:58 AM Antonio Scuri <antonio.sc...@gmail.com>
>> wrote:
>>
>>> Do you use a timer or the idle callback to do that?
>>>
>>> Em qua., 22 de abr. de 2020 às 05:54, Milind Gupta <
>>> milind.gu...@gmail.com> escreveu:
>>>
>>>> I don't have control over the motion_cb or button_cb call backs since
>>>> they may change due to a selected operation. But if I want to display the
>>>> coordinates on the canvas of the mouse position independently then to query
>>>> the coordinates I use CURSORPOS and screenposition to determine it without
>>>> depending on the callbacks.
>>>>
>>>> On Tue, Apr 21, 2020 at 6:27 PM Antonio Scuri <antonio.sc...@gmail.com>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I will have to do some tests here tomorrow. But the way to get mouse
>>>>> coordinates in canvas is using those callbacks...
>>>>>
>>>>> What you are trying to do? Why you have to use CURSORPOS?
>>>>>
>>>>> Best,
>>>>> Scuri
>>>>>
>>>>>
>>>>> Em ter, 21 de abr de 2020 20:43, Milind Gupta <milind.gu...@gmail.com>
>>>>> escreveu:
>>>>>
>>>>>> Hi Antonio,
>>>>>> I am using CURSORPOS to determine the mouse position on
>>>>>> the screen. I see that if I have a multi display setup as soon as my
>>>>>> mouse
>>>>>> goes to the other display it returns nil. There is no error message. Is
>>>>>> there any particular way to handle multiple displays.
>>>>>> Also is there a way to directly get the mouse position in
>>>>>> terms of the canvas coordinate system. Right now I determine the screen
>>>>>> position of the mouse and then find the canvas position using
>>>>>> SCREENPOSITION attribute and then take the difference. Basically I want
>>>>>> to
>>>>>> directly access the x,y coordinates without depending on the motion_cb or
>>>>>> button_cb.
>>>>>>
>>>>>> Thanks,
>>>>>> Milind
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