Re: [Development] Item creation time in QML

2015-02-12 Thread Andrew den Exter
> > Is creation expensive because of constructor code, making too many > signal/slot connections, or something else? > First of all it's accumulative, any QML application is going to end up constructing many items, hundreds, thousands even and costs, even small ones add up. Secondly yes construct

Re: [Development] QSsl: finer-grained protocol selection

2015-02-12 Thread Mikkel Krautz
I've opened a code review for adding TlsV1_0OrLater and friends at: https://codereview.qt-project.org/#/c/106080/ We obviously haven't reached agreement on the actual API for this, but as I said, we're pretty happy with the 'OrLater' variant, which the patchset implements. Hopefully, the patchse

Re: [Development] Item creation time in QML

2015-02-12 Thread Gunnar Roth
Hello Gunnar yes i meant y-axis. ok so it is operations/frame and i assume a modern pc is used for Robin Burchells measurements as you did with using you MacBook Pro. After my vacation I will try to do execute your benchmarking measurements on our wec2013 imx6 device, using 5.4 and qt 5.5 git.

Re: [Development] Item creation time in QML

2015-02-12 Thread Gunnar Sletta
> On 12 Feb 2015, at 18:03, Gunnar Roth wrote: > > Hi, > after downloading it to my cell phone and picking it with usb connection, i > was finally able to read pdf document. > I am curious what the unit of the x-axis is in your diagrams, i fugure higher > is better, but what is measured there?

Re: [Development] Item creation time in QML

2015-02-12 Thread Gunnar Roth
Hi, after downloading it to my cell phone and picking it with usb connection, i was finally able to read pdf document. I am curious what the unit of the x-axis is in your diagrams, i fugure higher is better, but what is measured there? IMO QuickItemText is too complicated for the simple case, w

Re: [Development] Why can't QString use UTF-8 internally?

2015-02-12 Thread Knoll Lars
On 12/02/15 10:11, "Rutledge Shawn" wrote: > >On 12 Feb 2015, at 08:55, Konstantin Ritt wrote: > >> 2015-02-12 11:53 GMT+04:00 Konstantin Ritt : >> 2015-02-12 11:39 GMT+04:00 Rutledge Shawn >>: >> >> On 11 Feb 2015, at 18:15, Konstantin Ritt wrote: >> >> > FYI: Unicode codepoint != character

Re: [Development] Item creation time in QML

2015-02-12 Thread Robin Burchell
On Wed, Feb 11, 2015 at 2:49 PM, Rutledge Shawn wrote: >> Being able to do 500+items rectangles in one frame is decent, but not >> awesome. Being able todo 130 text items in one frame, is less than ideal, >> given that we often use several text items per cell in a list or table. Text >> is prob

Re: [Development] Why can't QString use UTF-8 internally?

2015-02-12 Thread Konstantin Ritt
2015-02-12 13:11 GMT+04:00 Rutledge Shawn : > Consequently we have to do conversion each time we need the renderable > text, and/or cache the results to avoid converting repeatedly. Right? > Pnrftm... what? Cache what? And where? I've missed the point... > And we still need to be able to do

Re: [Development] Upgrading the sources to C++11 keywords (Q_NULLPTR, etc.)

2015-02-12 Thread Ziller Eike
> On Feb 10, 2015, at 10:51 AM, Marc Mutz wrote: > > On Tuesday 10 February 2015 08:41:47 Ziller Eike wrote: >>> On Feb 9, 2015, at 3:40 PM, Marc Mutz wrote: >>> >>> On Monday 09 February 2015 09:54:12 Smith Martin wrote: This is the kind of thing we should add to the documentation, but c

Re: [Development] Why can't QString use UTF-8 internally?

2015-02-12 Thread Rutledge Shawn
On 12 Feb 2015, at 08:55, Konstantin Ritt wrote: > 2015-02-12 11:53 GMT+04:00 Konstantin Ritt : > 2015-02-12 11:39 GMT+04:00 Rutledge Shawn : > > On 11 Feb 2015, at 18:15, Konstantin Ritt wrote: > > > FYI: Unicode codepoint != character visual representation. Moreover, a > > single character