I think that in any GUI toolkit the solution wouldn't involve creating a
control with size 1131x8581.
I don't know any application that does that. Usually the controls will
use the size available on screen and internally implement a virtual space
that can be incrementally navigated.
Why do you need such a space?
Best,
Scuri
On Mon, Dec 1, 2014 at 10:55 PM, Milind Gupta <[email protected]>
wrote:
> Actually my problem is that the custom control I was trying to create
> using iupglcanvas is not possible with this limitation. I need to have a
> composition of controls like the text boxes, images, etc. on the canvas and
> scroll them. I am unable to find a solution to scroll these controls. Just
> the glcanvas scrolling also seems to behave weirdly when I just use the
> canvas scroll bar instead of a scroll box: it does not scroll the controls
> in the canvas box, just the canvas and if the canvasbox is large the
> canvasbox scrollbar somehow does not allow the mouse cursor over the scroll
> bar. As soon as the mouse goes over it the whole screen goes black and when
> it comes back the mouse cursor is on the center of the canvas rather than
> the scroll bar (attached script shows this issue). Also the scroll bar dx
> is not correct.
>
> Any suggestions how I can implement this type of UI using IUP? I am trying
> to implement a test case using wxLua so we can compare IUP scrolling script
> with wxLua since both use native controls.
>
> Milind
>
> On Mon, Dec 1, 2014 at 4:12 PM, Antonio Scuri <[email protected]>
> wrote:
>
>> I think you should let the IupText do its job. As long as text is
>> being added to it it will program and expand its own scrollbar. The chances
>> that internally would overcame this limitation are much more possible.
>>
>> Best,
>> Scuri
>>
>>
>> On Mon, Dec 1, 2014 at 8:39 PM, Milind Gupta <[email protected]>
>> wrote:
>>
>>> Thanks for looking into this. I am curious how do programs get around
>>> this. For example Microsoft word can have a document with 100s of pages and
>>> it is still able to scroll to all of them. Same for say notepad. Do you
>>> know how to get around the limitation?
>>>
>>> Thanks,
>>> Milind
>>>
>>> On Mon, Dec 1, 2014 at 2:23 PM, Antonio Scuri <[email protected]>
>>> wrote:
>>>
>>>> It is a system limitation. Your control is too big and although its
>>>> size is correct, the windows scrollbar has some limitation that prevents
>>>> the scrollbox to work.
>>>>
>>>> This code:
>>>>
>>>> tb1 = iup.text{rastersize = "1131x8581",multiline="YES"}
>>>>
>>>> sb = iup.scrollbox{
>>>> tb1
>>>> }
>>>> dlg = iup.dialog{
>>>> sb;
>>>> title="Dialog"
>>>> }
>>>> dlg:show()
>>>>
>>>> Works ok. But if you change 8581 to 38581 it will crop the visible
>>>> area.
>>>>
>>>> Best,
>>>> Scuri
>>>>
>>>>
>>>> On Fri, Nov 28, 2014 at 6:44 PM, Milind Gupta <[email protected]>
>>>> wrote:
>>>>
>>>>> I modified the test case to just have a text box instead of the
>>>>> canvas. After pasting a large text chunk in the text box it is more easily
>>>>> visible that the scroll box actually stops scrolling after the scroll
>>>>> thumb
>>>>> is about 9/10th of all the way down. Is this a limitation of the scroll
>>>>> box
>>>>> or is this a bug?
>>>>>
>>>>> Thanks,
>>>>> Milind
>>>>>
>>>>>
>>>>> On Fri, Nov 28, 2014 at 10:48 AM, Milind Gupta <[email protected]
>>>>> > wrote:
>>>>>
>>>>>> Hi,
>>>>>> I have attached a test case which on my system stops
>>>>>> generating the canvas action call back when the scroll box is about 9/10
>>>>>> ths of all the way down.
>>>>>> Please let me know if I am doing something wrong or is there a
>>>>>> limitation on scroll box or the canvas in any way.
>>>>>>
>>>>>> Thanks,
>>>>>> Milind
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
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