Re: Fw: [pgadmin-support] No high resolution support in Windows - Mailing list pgadmin-hackers

On Fri, Nov 21, 2014 at 8:06 PM, Dave Page <dpage@pgadmin.org> wrote:

Akshay, please look into this ASAP.

   Sure Dave. 

Thanks.

On Fri, Nov 21, 2014 at 2:29 PM,  <vladnc@gmail.com> wrote:
> About a month ago I created this patch for Windows and sent it to the
> pg-admin support list, but received no reply.
>
> Today another user complains about similar issues on Linux.
>
> Maybe my patch could be adapted to fix both issues.
>
> Thanks,
> Sent from Windows Mail
>
> From: Vladimir Nicolici
> Sent: ‎Saturday‎, ‎25‎ ‎October‎, ‎2014 ‎19‎:‎37
>
> To: Guillaume Lelarge
> Cc: pgadmin-support@postgresql.org
>
> BTW, i found another related bug:
>
> If you resize a row manually, then you try to zoom in/out using the mouse
> wheel, the text size changes, but the row height no longer changes.
>
> I think that is because the default value for the resizeExistingRows
> parameter of the SetDefaultRowSize method is “false”, and once you make a
> manual change the defaults no longer apply automatically.
>
> Attached a new version of my patch, that attempts to fix that too.
>
> Sent from Windows Mail
>
> From: Vladimir Nicolici
> Sent: ‎Saturday‎, ‎25‎ ‎October‎, ‎2014 ‎16‎:‎54
> To: Guillaume Lelarge
> Cc: pgadmin-support@postgresql.org
>
> Found the reason the “Edit” grid looks better, rows have 2 more pixels.
>
> in frmEditGrid.cpp:
>
> #ifdef __WXMSW__
>  sqlGrid->SetDefaultRowSize(sqlGrid->GetDefaultRowSize() + 2, true);
> #endif
>
> The commit comment is:
>
> commit ec4098968604f0acd3ef34fad56afb63b9add062
>
> Author: Steffen Kuhn <pg@kuhnsteffen.de> 2010-09-02 19:15:35
>
> Committer: Guillaume Lelarge <guillaume@lelarge.info> 2010-09-02 19:18:03
>
> Fix an issue when editing date value in frmEditGrid
>
> There was a bug which makes the date value invisible. Adding two pixels to
> the
>
> height of the widget fixes that.
>
> Patch from Steffen Kuhn.
>
>
> A quick and safe fix would be to move that code to ctlSqlGrid.cpp, after the
> “ SetDefaultRowSize(fntCells.GetPointSize() * 2);” lines in both the
> constructor and the OnMouseWheel method, making the frmEditGrid and frmQuery
> grids look the same.
>
> The only potentially negative side effect is that, depending on the font
> settings, about 10% less rows will fit on the screen in the query result.
>
> BTW, nice undocumented feature, being able to zoom in/out with [Control] +
> [Mouse Wheel]. Not that I would read the documentation anyway. Funny that I
> discovered that reading the source code. This shows the truth of Robert C.
> Martin’s quote: “Truth can only be found in one place: the code.”
>
> Probably it would be better to have zoom in/out buttons on the toolbar, with
> a hover tooltip “you can also use control+mouse wheel to zoom” to make it
> more discoverable. But I digress.
>
> Another issue is that the code for mouse wheel zoom doesn’t to take into
> account those additional 2 pixels for edit grids, and after scrolling in/out
> those two pixels are lost, so the edit grid looks just as bad as the SQL
> results grid, and probably the bug fixed by that patch resurfaces. Moving
> that code as I recommended will also fix this.
>
> Digging some more and playing with the zoom in/out feature, I noticed that
> the row labels are not affected by this issue, and look fine for both query
> grids and edit grids, at all zoom levels.
>
> Looking at the wxwidgets source code, the default cell alignment is:
>
>     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
>
> and the default row label alignment is:
>
>     m_rowLabelVertAlign  = wxALIGN_CENTRE;
>
> This seems to fix the issue for the row labels.
>
> So, in addition to moving that code, I think this should be added:
>
> SetDefaultCellAlignment(wxALIGN_LEFT, wxALIGN_CENTER);
>
> under
>
>  SetColLabelAlignment(wxALIGN_LEFT, wxALIGN_CENTER);
>
> in ctlSqlGrid.cpp . Maybe enclosed in a #ifdef __WXMSW__, if you don’t want
> this on other operating systems, although it should be fine.
>
> Also, since we’re here, the column headers are affected by the same issue,
> and need about 4 more pixels for the two rows, something like this:
>
> #ifdef __WXMSW__
>  SetDefaultRowSize(GetDefaultRowSize() + 2);
>  SetColLabelSize(GetColLabelSize() + 4);
> #endif
>
> Anyway, I attached a patch.
>
> While I tried to be very careful and I’m quite confident it will work and
> fix the issues, it’s not tested in any way, it may not even compile, since I
> usually work with Java and I don’t have a C++ development environment.
>
> Sent from Windows Mail
>
> From: Vladimir Nicolici
> Sent: ‎Sunday‎, ‎19‎ ‎October‎, ‎2014 ‎15‎:‎40
> To: Guillaume Lelarge
> Cc: pgadmin-support@postgresql.org
>
> Is there any way to increase the default row height in SQL Data Output
> grids? Because grids having rows that are too narrow to show the text
> properly is the only annoying thing when I disable high resolution scaling
> for pgAdmin.
>
> The “Edit Data” grids look much better because the rows are a few pixels
> taller, for some reason. They still truncate a few pixels from the bottom of
> the content, but it’s acceptable.
>
> SQL Data Output vs Edit Data grids with high resolution scaling disabled:
> http://i.imgur.com/yyLcFYE.png
>
> And for that matter, unrelated to the resolution issues, is there a way to
> increase the default column width? I hate having to resize each column,
> especially when the grid has many columns, because by default they are not
> wide enough in most cases:
>
> http://i.imgur.com/ewSW8kP.png
>
> Sent from Windows Mail
>
> From: Guillaume Lelarge
> Sent: ‎Wednesday‎, ‎1‎ ‎October‎, ‎2014 ‎14‎:‎44
> To: Vladimir Nicolici
> Cc: pgadmin-support@postgresql.org
>
> Hi,
>
> Le 26 sept. 2014 16:33, <vladnc@gmail.com> a écrit :
>>
>> pgAdmin Version: 1.18.1
>>
>> OS: Microsoft Windows [Version 6.3.9600] (8.1 Pro 64 bit)
>>
>> 1. Use Control Panel\Appearance and Personalisation\Display to set a high
>> dpi:
>>
>> http://i.imgur.com/WQJmlWe.png
>>
>> 2. Logout/login again to make sure the changes are fully applied.
>>
>> 3. Open pgAdmin
>>
>> Result - pgAdmin is very blury, because it doesn’t support high DPIs and
>> is up-scaled by Windows:
>>
>> http://i.imgur.com/0L8l3Yh.png
>>
>> http://i.imgur.com/fBV09X5.png
>>
>> Disabling scaling for the application resulted in even worse behavior,
>> like overlapping UI elements, because some of them were resized and some
>> not.
>>
>
> Well, yeah, PgAdmin is not fully compatible with high DPI display. We need
> to provide icons with better resolution. And we need a fully compatible
> wxwidgets library. As far as I can tell, it isn't, at least on windows. Mac
> os x retinas displays seem to work fine though.
>
>
>

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