Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-03-05 Thread Martin Gräßlin

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(Updated March 5, 2014, 10:11 a.m.)


Status
--

This change has been discarded.


Review request for KDE Frameworks, kdewin and kwin.


Repository: kwindowsystem


Description
---

The rational for these changes is based on the discussion in 
http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/

Plasma needs to know which is the active screen and so far only KWin knows it, 
so we need to make everybody aware of it.

---
Add convenient wrapper for active screen to KWindowSystem

A method is added to get the identifier of the active screen as a
QString and a signal whenever the active screen changes. This method
is only provided for X11, on Windows and Mac a null QString is returned
as the identifier.

Add an active screen property to NETRootInfo

The active screen is intended to be set by KWin to the active screen
it's using. This can be used by a Client to manually position e.g.
override redirect windows on the active screen. It's intended as a help
for multi-screen setups where a Client can only do guesses on where to
position e.g. a notification window.

It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
announced in the supported properties.


Diffs
-

  tests/activeoutputtest.cpp PRE-CREATION 
  tests/CMakeLists.txt ce68cc505a69ea9a3cf645e9ae587bd89abe1648 
  src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
  src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
  src/netwm.cpp 84eb137492e0afaaac80e8d26561fd8f8aff9c27 
  src/netwm.h 393a29de3153a8b291b9fb249bd3eaeb1ba4e7d5 
  src/kwindowsystem_x11.cpp 01c78c1debf95d5a176e2153139da19abf383c41 
  src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
  autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
  src/kwindowsystem.h 3de0fea179dd468a78a265808fc64704027ec30d 
  src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 

Diff: https://git.reviewboard.kde.org/r/115137/diff/


Testing
---

* wm part of NETWM is unit tested
* KWindowSystem is only compile tested (unit testing is difficult as we need a 
window manager which supports this property which is at the moment of this 
writing: none)
* Windows and Mac is not even compile tested, that's why kdewin is included in 
the review. If you have the time for it, please do a compile test.


Thanks,

Martin Gräßlin

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Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-03-04 Thread Kevin Ottens


 On Feb. 20, 2014, 12:07 p.m., Kevin Ottens wrote:
  Aren't the concern raised initially on that patch addressed now? Please 
  make a second round of reviews or ship it.

More than a week with no reaction, should it be discarded?


- Kevin


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On Jan. 31, 2014, 1:01 p.m., Martin Gräßlin wrote:
 
 ---
 This is an automatically generated e-mail. To reply, visit:
 https://git.reviewboard.kde.org/r/115137/
 ---
 
 (Updated Jan. 31, 2014, 1:01 p.m.)
 
 
 Review request for KDE Frameworks, kdewin and kwin.
 
 
 Repository: kwindowsystem
 
 
 Description
 ---
 
 The rational for these changes is based on the discussion in 
 http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/
 
 Plasma needs to know which is the active screen and so far only KWin knows 
 it, so we need to make everybody aware of it.
 
 ---
 Add convenient wrapper for active screen to KWindowSystem
 
 A method is added to get the identifier of the active screen as a
 QString and a signal whenever the active screen changes. This method
 is only provided for X11, on Windows and Mac a null QString is returned
 as the identifier.
 
 Add an active screen property to NETRootInfo
 
 The active screen is intended to be set by KWin to the active screen
 it's using. This can be used by a Client to manually position e.g.
 override redirect windows on the active screen. It's intended as a help
 for multi-screen setups where a Client can only do guesses on where to
 position e.g. a notification window.
 
 It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
 announced in the supported properties.
 
 
 Diffs
 -
 
   tests/activeoutputtest.cpp PRE-CREATION 
   tests/CMakeLists.txt ce68cc505a69ea9a3cf645e9ae587bd89abe1648 
   src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
   src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
   src/netwm.cpp 84eb137492e0afaaac80e8d26561fd8f8aff9c27 
   src/netwm.h 393a29de3153a8b291b9fb249bd3eaeb1ba4e7d5 
   src/kwindowsystem_x11.cpp 01c78c1debf95d5a176e2153139da19abf383c41 
   src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
   autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
   src/kwindowsystem.h 3de0fea179dd468a78a265808fc64704027ec30d 
   src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 
 
 Diff: https://git.reviewboard.kde.org/r/115137/diff/
 
 
 Testing
 ---
 
 * wm part of NETWM is unit tested
 * KWindowSystem is only compile tested (unit testing is difficult as we need 
 a window manager which supports this property which is at the moment of this 
 writing: none)
 * Windows and Mac is not even compile tested, that's why kdewin is included 
 in the review. If you have the time for it, please do a compile test.
 
 
 Thanks,
 
 Martin Gräßlin
 


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Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-03-04 Thread Thomas Lübking

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src/kwindowsystem_x11.cpp
https://git.reviewboard.kde.org/r/115137/#comment36936

Brainstorm.
Assuming this is of rare interest and we would want to limit X11 roundtrips 
and pointer tracking.

The WM could then simply set the strategy (mouse/active window) and 
::activeOutput() could check that to calculate the reult on request.
KWindowSystem could (on connect notify) track the mouse/active window to 
emit the signal.
This way tracking would only be required if/while some client is really 
interested.

Downside is that 2 or more clients could be tracking simultanously.
Benefit would be that other WMs can adapt this very easily and we don't 
rely on XI2 support (what will probably also not work if the mouse is navigated 
by the keyboard?)



src/netwm.cpp
https://git.reviewboard.kde.org/r/115137/#comment36930

The API says the parameter can be NULL, nstrdup will then return a casted 
nullptr and this will segfault. (Or I missed something?)


- Thomas Lübking


On Jan. 31, 2014, 1:01 p.m., Martin Gräßlin wrote:
 
 ---
 This is an automatically generated e-mail. To reply, visit:
 https://git.reviewboard.kde.org/r/115137/
 ---
 
 (Updated Jan. 31, 2014, 1:01 p.m.)
 
 
 Review request for KDE Frameworks, kdewin and kwin.
 
 
 Repository: kwindowsystem
 
 
 Description
 ---
 
 The rational for these changes is based on the discussion in 
 http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/
 
 Plasma needs to know which is the active screen and so far only KWin knows 
 it, so we need to make everybody aware of it.
 
 ---
 Add convenient wrapper for active screen to KWindowSystem
 
 A method is added to get the identifier of the active screen as a
 QString and a signal whenever the active screen changes. This method
 is only provided for X11, on Windows and Mac a null QString is returned
 as the identifier.
 
 Add an active screen property to NETRootInfo
 
 The active screen is intended to be set by KWin to the active screen
 it's using. This can be used by a Client to manually position e.g.
 override redirect windows on the active screen. It's intended as a help
 for multi-screen setups where a Client can only do guesses on where to
 position e.g. a notification window.
 
 It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
 announced in the supported properties.
 
 
 Diffs
 -
 
   tests/activeoutputtest.cpp PRE-CREATION 
   tests/CMakeLists.txt ce68cc505a69ea9a3cf645e9ae587bd89abe1648 
   src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
   src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
   src/netwm.cpp 84eb137492e0afaaac80e8d26561fd8f8aff9c27 
   src/netwm.h 393a29de3153a8b291b9fb249bd3eaeb1ba4e7d5 
   src/kwindowsystem_x11.cpp 01c78c1debf95d5a176e2153139da19abf383c41 
   src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
   autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
   src/kwindowsystem.h 3de0fea179dd468a78a265808fc64704027ec30d 
   src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 
 
 Diff: https://git.reviewboard.kde.org/r/115137/diff/
 
 
 Testing
 ---
 
 * wm part of NETWM is unit tested
 * KWindowSystem is only compile tested (unit testing is difficult as we need 
 a window manager which supports this property which is at the moment of this 
 writing: none)
 * Windows and Mac is not even compile tested, that's why kdewin is included 
 in the review. If you have the time for it, please do a compile test.
 
 
 Thanks,
 
 Martin Gräßlin
 


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Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-31 Thread Martin Gräßlin

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This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/115137/
---

(Updated Jan. 31, 2014, 2:01 p.m.)


Review request for KDE Frameworks, kdewin and kwin.


Changes
---

* changed from active screen to active output
* added a small test application which places an override redirect window in 
the center of the active output and updates whenever the signal is emitted.


Repository: kwindowsystem


Description
---

The rational for these changes is based on the discussion in 
http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/

Plasma needs to know which is the active screen and so far only KWin knows it, 
so we need to make everybody aware of it.

---
Add convenient wrapper for active screen to KWindowSystem

A method is added to get the identifier of the active screen as a
QString and a signal whenever the active screen changes. This method
is only provided for X11, on Windows and Mac a null QString is returned
as the identifier.

Add an active screen property to NETRootInfo

The active screen is intended to be set by KWin to the active screen
it's using. This can be used by a Client to manually position e.g.
override redirect windows on the active screen. It's intended as a help
for multi-screen setups where a Client can only do guesses on where to
position e.g. a notification window.

It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
announced in the supported properties.


Diffs (updated)
-

  tests/activeoutputtest.cpp PRE-CREATION 
  tests/CMakeLists.txt ce68cc505a69ea9a3cf645e9ae587bd89abe1648 
  src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
  src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
  src/netwm.cpp 84eb137492e0afaaac80e8d26561fd8f8aff9c27 
  src/netwm.h 393a29de3153a8b291b9fb249bd3eaeb1ba4e7d5 
  src/kwindowsystem_x11.cpp 01c78c1debf95d5a176e2153139da19abf383c41 
  src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
  autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
  src/kwindowsystem.h 3de0fea179dd468a78a265808fc64704027ec30d 
  src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 

Diff: https://git.reviewboard.kde.org/r/115137/diff/


Testing
---

* wm part of NETWM is unit tested
* KWindowSystem is only compile tested (unit testing is difficult as we need a 
window manager which supports this property which is at the moment of this 
writing: none)
* Windows and Mac is not even compile tested, that's why kdewin is included in 
the review. If you have the time for it, please do a compile test.


Thanks,

Martin Gräßlin

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Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-30 Thread Fredrik Höglund


 On Jan. 20, 2014, 5 p.m., Thomas Lübking wrote:
  given the ratio by this property is set (often) and read (rarely), i wonder 
  whether we could establish a semi-async functionality, where the client 
  sends a message to have the property updated, then syncs, reads and returns 
  the updated property?
  
  reg. screen ./. output terminology:
  we've active screen everywhere and we can probably not expose the 
  screen/output problem to end users.
  Also Qt talks of screen in this regard.
  I'd suggest to keep activeScreen and specify the meaning in the comment.
 
 
 Martin Gräßlin wrote:
  i wonder whether we could establish a semi-async functionality, where 
 the client sends a message to have the property updated, then syncs, reads 
 and returns the updated property?
 
 That would be different to how all the other methods in KWindowSystem 
 works. What could be considered is not having a signal to not wake up the 
 clients or only emit the signal if connect-notify is called.
 
  Also Qt talks of screen in this regard.
 
 This was the reason why I went with screen in the first place. The class 
 is called QScreen and not QOutput. Calling it output didn't occur to me at 
 all. I don't mind how it is called and from a technical perspective 
 (especially considering XRandR) I agree with Fredrik. But from a user point 
 of view I think screen is the better name due to the QScreen anology. What 
 could be done is using output in the NET class to be closer to the X11 world, 
 but keep the name screen in the abstraction. I don't know whether output 
 makes sense on Windows or Mac (in case they ever implement it).
 
 Thomas Lübking wrote:
  That would be different to how all the other methods in KWindowSystem 
 works.
 My major concern would be the mouse driven active screen.
 Right now, when the active screen is required, kwin just checks the 
 current mouse position.
 When we need to keep the info updated (signal or not), that means that 
 kwin has to poll the mouse all the time (even if we would smoothen the 
 update by a timer so the active screen isn't updated a 1000 times when moving 
 the cursor around a screen edge).
 
 And while knowing the active screen is certainly nice, our main concern 
 right now is the occasional raiseOrLower taskbar case.
 
 A 2-pass query would nicely circumvent this as the data only needs to be 
 updated when really and likely rarely required.

kwin should be using XI2 instead of polling.

We already have properties that are updated every time the stacking order 
changes
and every time the active window changes.  Given that, I don't think the update
frequency for this property is going to be a problem.

So with regards to the terminology, this is what we're looking at:

X   | Qt
+-
Output  | Screen
Screen  | Virtual desktop
Virtual desktop | ?

Which is just really unfortunate.  It's bound to cause confusion no matter
which name we pick, and it doesn't help that the QScreen documentation
doesn't explain the terminology.

Windows and Wayland also use output, while I think Mac OS uses display.


- Fredrik


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On Jan. 20, 2014, 1:14 p.m., Martin Gräßlin wrote:
 
 ---
 This is an automatically generated e-mail. To reply, visit:
 https://git.reviewboard.kde.org/r/115137/
 ---
 
 (Updated Jan. 20, 2014, 1:14 p.m.)
 
 
 Review request for KDE Frameworks, kdewin and kwin.
 
 
 Repository: kwindowsystem
 
 
 Description
 ---
 
 The rational for these changes is based on the discussion in 
 http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/
 
 Plasma needs to know which is the active screen and so far only KWin knows 
 it, so we need to make everybody aware of it.
 
 ---
 Add convenient wrapper for active screen to KWindowSystem
 
 A method is added to get the identifier of the active screen as a
 QString and a signal whenever the active screen changes. This method
 is only provided for X11, on Windows and Mac a null QString is returned
 as the identifier.
 
 Add an active screen property to NETRootInfo
 
 The active screen is intended to be set by KWin to the active screen
 it's using. This can be used by a Client to manually position e.g.
 override redirect windows on the active screen. It's intended as a help
 for multi-screen setups where a Client can only do guesses on where to
 position e.g. a notification window.
 
 It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
 announced in the supported properties.
 
 
 Diffs
 -
 
   autotests/netrootinfotestwm.cpp 

Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-30 Thread Thomas Lübking


 On Jan. 20, 2014, 5 p.m., Thomas Lübking wrote:
  given the ratio by this property is set (often) and read (rarely), i wonder 
  whether we could establish a semi-async functionality, where the client 
  sends a message to have the property updated, then syncs, reads and returns 
  the updated property?
  
  reg. screen ./. output terminology:
  we've active screen everywhere and we can probably not expose the 
  screen/output problem to end users.
  Also Qt talks of screen in this regard.
  I'd suggest to keep activeScreen and specify the meaning in the comment.
 
 
 Martin Gräßlin wrote:
  i wonder whether we could establish a semi-async functionality, where 
 the client sends a message to have the property updated, then syncs, reads 
 and returns the updated property?
 
 That would be different to how all the other methods in KWindowSystem 
 works. What could be considered is not having a signal to not wake up the 
 clients or only emit the signal if connect-notify is called.
 
  Also Qt talks of screen in this regard.
 
 This was the reason why I went with screen in the first place. The class 
 is called QScreen and not QOutput. Calling it output didn't occur to me at 
 all. I don't mind how it is called and from a technical perspective 
 (especially considering XRandR) I agree with Fredrik. But from a user point 
 of view I think screen is the better name due to the QScreen anology. What 
 could be done is using output in the NET class to be closer to the X11 world, 
 but keep the name screen in the abstraction. I don't know whether output 
 makes sense on Windows or Mac (in case they ever implement it).
 
 Thomas Lübking wrote:
  That would be different to how all the other methods in KWindowSystem 
 works.
 My major concern would be the mouse driven active screen.
 Right now, when the active screen is required, kwin just checks the 
 current mouse position.
 When we need to keep the info updated (signal or not), that means that 
 kwin has to poll the mouse all the time (even if we would smoothen the 
 update by a timer so the active screen isn't updated a 1000 times when moving 
 the cursor around a screen edge).
 
 And while knowing the active screen is certainly nice, our main concern 
 right now is the occasional raiseOrLower taskbar case.
 
 A 2-pass query would nicely circumvent this as the data only needs to be 
 updated when really and likely rarely required.
 
 Fredrik Höglund wrote:
 kwin should be using XI2 instead of polling.
 
 We already have properties that are updated every time the stacking order 
 changes
 and every time the active window changes.  Given that, I don't think the 
 update
 frequency for this property is going to be a problem.
 
 So with regards to the terminology, this is what we're looking at:
 
 X   | Qt
 +-
 Output  | Screen
 Screen  | Virtual desktop
 Virtual desktop | ?
 
 Which is just really unfortunate.  It's bound to cause confusion no matter
 which name we pick, and it doesn't help that the QScreen documentation
 doesn't explain the terminology.
 
 Windows and Wayland also use output, while I think Mac OS uses 
 display.


 kwin should be using XI2 instead of polling
yes, should - https://git.reviewboard.kde.org/r/111875/


- Thomas


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---


On Jan. 20, 2014, 1:14 p.m., Martin Gräßlin wrote:
 
 ---
 This is an automatically generated e-mail. To reply, visit:
 https://git.reviewboard.kde.org/r/115137/
 ---
 
 (Updated Jan. 20, 2014, 1:14 p.m.)
 
 
 Review request for KDE Frameworks, kdewin and kwin.
 
 
 Repository: kwindowsystem
 
 
 Description
 ---
 
 The rational for these changes is based on the discussion in 
 http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/
 
 Plasma needs to know which is the active screen and so far only KWin knows 
 it, so we need to make everybody aware of it.
 
 ---
 Add convenient wrapper for active screen to KWindowSystem
 
 A method is added to get the identifier of the active screen as a
 QString and a signal whenever the active screen changes. This method
 is only provided for X11, on Windows and Mac a null QString is returned
 as the identifier.
 
 Add an active screen property to NETRootInfo
 
 The active screen is intended to be set by KWin to the active screen
 it's using. This can be used by a Client to manually position e.g.
 override redirect windows on the active screen. It's intended as a help
 for multi-screen setups where a Client can only do guesses on where to
 

Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-21 Thread Thomas Lübking


 On Jan. 20, 2014, 5 p.m., Thomas Lübking wrote:
  given the ratio by this property is set (often) and read (rarely), i wonder 
  whether we could establish a semi-async functionality, where the client 
  sends a message to have the property updated, then syncs, reads and returns 
  the updated property?
  
  reg. screen ./. output terminology:
  we've active screen everywhere and we can probably not expose the 
  screen/output problem to end users.
  Also Qt talks of screen in this regard.
  I'd suggest to keep activeScreen and specify the meaning in the comment.
 
 
 Martin Gräßlin wrote:
  i wonder whether we could establish a semi-async functionality, where 
 the client sends a message to have the property updated, then syncs, reads 
 and returns the updated property?
 
 That would be different to how all the other methods in KWindowSystem 
 works. What could be considered is not having a signal to not wake up the 
 clients or only emit the signal if connect-notify is called.
 
  Also Qt talks of screen in this regard.
 
 This was the reason why I went with screen in the first place. The class 
 is called QScreen and not QOutput. Calling it output didn't occur to me at 
 all. I don't mind how it is called and from a technical perspective 
 (especially considering XRandR) I agree with Fredrik. But from a user point 
 of view I think screen is the better name due to the QScreen anology. What 
 could be done is using output in the NET class to be closer to the X11 world, 
 but keep the name screen in the abstraction. I don't know whether output 
 makes sense on Windows or Mac (in case they ever implement it).

 That would be different to how all the other methods in KWindowSystem works.
My major concern would be the mouse driven active screen.
Right now, when the active screen is required, kwin just checks the current 
mouse position.
When we need to keep the info updated (signal or not), that means that kwin has 
to poll the mouse all the time (even if we would smoothen the update by a 
timer so the active screen isn't updated a 1000 times when moving the cursor 
around a screen edge).

And while knowing the active screen is certainly nice, our main concern right 
now is the occasional raiseOrLower taskbar case.

A 2-pass query would nicely circumvent this as the data only needs to be 
updated when really and likely rarely required.


- Thomas


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This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/115137/#review47824
---


On Jan. 20, 2014, 1:14 p.m., Martin Gräßlin wrote:
 
 ---
 This is an automatically generated e-mail. To reply, visit:
 https://git.reviewboard.kde.org/r/115137/
 ---
 
 (Updated Jan. 20, 2014, 1:14 p.m.)
 
 
 Review request for KDE Frameworks, kdewin and kwin.
 
 
 Repository: kwindowsystem
 
 
 Description
 ---
 
 The rational for these changes is based on the discussion in 
 http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/
 
 Plasma needs to know which is the active screen and so far only KWin knows 
 it, so we need to make everybody aware of it.
 
 ---
 Add convenient wrapper for active screen to KWindowSystem
 
 A method is added to get the identifier of the active screen as a
 QString and a signal whenever the active screen changes. This method
 is only provided for X11, on Windows and Mac a null QString is returned
 as the identifier.
 
 Add an active screen property to NETRootInfo
 
 The active screen is intended to be set by KWin to the active screen
 it's using. This can be used by a Client to manually position e.g.
 override redirect windows on the active screen. It's intended as a help
 for multi-screen setups where a Client can only do guesses on where to
 position e.g. a notification window.
 
 It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
 announced in the supported properties.
 
 
 Diffs
 -
 
   autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
   src/kwindowsystem.h 5bcfd062dcca42d282b70d0683d4ee1da88cc814 
   src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 
   src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
   src/kwindowsystem_x11.cpp 8634240cabc708a608277b34f21c41cee295e48a 
   src/netwm.h aee6cea5e3b65cf6252b50515e4920cb9c96f240 
   src/netwm.cpp 266afccaf111e6707493b18dad1d9c03dde1d912 
   src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
   src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
 
 Diff: https://git.reviewboard.kde.org/r/115137/diff/
 
 
 Testing
 ---
 
 * wm part of NETWM is unit tested
 * KWindowSystem is only compile tested (unit testing is difficult as we need 
 a window manager which supports this property which is at the moment of 

Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-20 Thread Martin Gräßlin

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Review request for KDE Frameworks, kdewin and kwin.


Repository: kwindowsystem


Description
---

The rational for these changes is based on the discussion in 
http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/

Plasma needs to know which is the active screen and so far only KWin knows it, 
so we need to make everybody aware of it.

---
Add convenient wrapper for active screen to KWindowSystem

A method is added to get the identifier of the active screen as a
QString and a signal whenever the active screen changes. This method
is only provided for X11, on Windows and Mac a null QString is returned
as the identifier.

Add an active screen property to NETRootInfo

The active screen is intended to be set by KWin to the active screen
it's using. This can be used by a Client to manually position e.g.
override redirect windows on the active screen. It's intended as a help
for multi-screen setups where a Client can only do guesses on where to
position e.g. a notification window.

It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
announced in the supported properties.


Diffs
-

  src/kwindowsystem_x11.cpp 8634240cabc708a608277b34f21c41cee295e48a 
  src/netwm.h aee6cea5e3b65cf6252b50515e4920cb9c96f240 
  src/netwm.cpp 266afccaf111e6707493b18dad1d9c03dde1d912 
  src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
  src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
  autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
  src/kwindowsystem.h 5bcfd062dcca42d282b70d0683d4ee1da88cc814 
  src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 
  src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 

Diff: https://git.reviewboard.kde.org/r/115137/diff/


Testing
---

* wm part of NETWM is unit tested
* KWindowSystem is only compile tested (unit testing is difficult as we need a 
window manager which supports this property which is at the moment of this 
writing: none)
* Windows and Mac is not even compile tested, that's why kdewin is included in 
the review. If you have the time for it, please do a compile test.


Thanks,

Martin Gräßlin

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Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-20 Thread Alex Merry

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src/kwindowsystem.h
https://git.reviewboard.kde.org/r/115137/#comment33862

Suggest rewording: This is typically the screen which contains... (given 
that you say the definition is up to the windowing system platform).


- Alex Merry


On Jan. 20, 2014, 8:06 a.m., Martin Gräßlin wrote:
 
 ---
 This is an automatically generated e-mail. To reply, visit:
 https://git.reviewboard.kde.org/r/115137/
 ---
 
 (Updated Jan. 20, 2014, 8:06 a.m.)
 
 
 Review request for KDE Frameworks, kdewin and kwin.
 
 
 Repository: kwindowsystem
 
 
 Description
 ---
 
 The rational for these changes is based on the discussion in 
 http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/
 
 Plasma needs to know which is the active screen and so far only KWin knows 
 it, so we need to make everybody aware of it.
 
 ---
 Add convenient wrapper for active screen to KWindowSystem
 
 A method is added to get the identifier of the active screen as a
 QString and a signal whenever the active screen changes. This method
 is only provided for X11, on Windows and Mac a null QString is returned
 as the identifier.
 
 Add an active screen property to NETRootInfo
 
 The active screen is intended to be set by KWin to the active screen
 it's using. This can be used by a Client to manually position e.g.
 override redirect windows on the active screen. It's intended as a help
 for multi-screen setups where a Client can only do guesses on where to
 position e.g. a notification window.
 
 It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
 announced in the supported properties.
 
 
 Diffs
 -
 
   src/kwindowsystem_x11.cpp 8634240cabc708a608277b34f21c41cee295e48a 
   src/netwm.h aee6cea5e3b65cf6252b50515e4920cb9c96f240 
   src/netwm.cpp 266afccaf111e6707493b18dad1d9c03dde1d912 
   src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
   src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
   autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
   src/kwindowsystem.h 5bcfd062dcca42d282b70d0683d4ee1da88cc814 
   src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 
   src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
 
 Diff: https://git.reviewboard.kde.org/r/115137/diff/
 
 
 Testing
 ---
 
 * wm part of NETWM is unit tested
 * KWindowSystem is only compile tested (unit testing is difficult as we need 
 a window manager which supports this property which is at the moment of this 
 writing: none)
 * Windows and Mac is not even compile tested, that's why kdewin is included 
 in the review. If you have the time for it, please do a compile test.
 
 
 Thanks,
 
 Martin Gräßlin
 


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Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-20 Thread Martin Gräßlin

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This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/115137/
---

(Updated Jan. 20, 2014, 2:14 p.m.)


Review request for KDE Frameworks, kdewin and kwin.


Changes
---

Improved documentation wording as suggested.


Repository: kwindowsystem


Description
---

The rational for these changes is based on the discussion in 
http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/

Plasma needs to know which is the active screen and so far only KWin knows it, 
so we need to make everybody aware of it.

---
Add convenient wrapper for active screen to KWindowSystem

A method is added to get the identifier of the active screen as a
QString and a signal whenever the active screen changes. This method
is only provided for X11, on Windows and Mac a null QString is returned
as the identifier.

Add an active screen property to NETRootInfo

The active screen is intended to be set by KWin to the active screen
it's using. This can be used by a Client to manually position e.g.
override redirect windows on the active screen. It's intended as a help
for multi-screen setups where a Client can only do guesses on where to
position e.g. a notification window.

It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
announced in the supported properties.


Diffs (updated)
-

  autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
  src/kwindowsystem.h 5bcfd062dcca42d282b70d0683d4ee1da88cc814 
  src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 
  src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
  src/kwindowsystem_x11.cpp 8634240cabc708a608277b34f21c41cee295e48a 
  src/netwm.h aee6cea5e3b65cf6252b50515e4920cb9c96f240 
  src/netwm.cpp 266afccaf111e6707493b18dad1d9c03dde1d912 
  src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
  src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 

Diff: https://git.reviewboard.kde.org/r/115137/diff/


Testing
---

* wm part of NETWM is unit tested
* KWindowSystem is only compile tested (unit testing is difficult as we need a 
window manager which supports this property which is at the moment of this 
writing: none)
* Windows and Mac is not even compile tested, that's why kdewin is included in 
the review. If you have the time for it, please do a compile test.


Thanks,

Martin Gräßlin

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Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-20 Thread Fredrik Höglund

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https://git.reviewboard.kde.org/r/115137/#review4
---


s/screen/output

A screen is a virtual surface that may cover multiple outputs. An output 
represents
a section of the screen geometry that's visible on a monitor. The ID returned by
activeScreen() is an output ID.

The documentation should explain how the active output relates to the primary 
output,
and how the client is expected to use each.


- Fredrik Höglund


On Jan. 20, 2014, 1:14 p.m., Martin Gräßlin wrote:
 
 ---
 This is an automatically generated e-mail. To reply, visit:
 https://git.reviewboard.kde.org/r/115137/
 ---
 
 (Updated Jan. 20, 2014, 1:14 p.m.)
 
 
 Review request for KDE Frameworks, kdewin and kwin.
 
 
 Repository: kwindowsystem
 
 
 Description
 ---
 
 The rational for these changes is based on the discussion in 
 http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/
 
 Plasma needs to know which is the active screen and so far only KWin knows 
 it, so we need to make everybody aware of it.
 
 ---
 Add convenient wrapper for active screen to KWindowSystem
 
 A method is added to get the identifier of the active screen as a
 QString and a signal whenever the active screen changes. This method
 is only provided for X11, on Windows and Mac a null QString is returned
 as the identifier.
 
 Add an active screen property to NETRootInfo
 
 The active screen is intended to be set by KWin to the active screen
 it's using. This can be used by a Client to manually position e.g.
 override redirect windows on the active screen. It's intended as a help
 for multi-screen setups where a Client can only do guesses on where to
 position e.g. a notification window.
 
 It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
 announced in the supported properties.
 
 
 Diffs
 -
 
   autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
   src/kwindowsystem.h 5bcfd062dcca42d282b70d0683d4ee1da88cc814 
   src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 
   src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
   src/kwindowsystem_x11.cpp 8634240cabc708a608277b34f21c41cee295e48a 
   src/netwm.h aee6cea5e3b65cf6252b50515e4920cb9c96f240 
   src/netwm.cpp 266afccaf111e6707493b18dad1d9c03dde1d912 
   src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
   src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
 
 Diff: https://git.reviewboard.kde.org/r/115137/diff/
 
 
 Testing
 ---
 
 * wm part of NETWM is unit tested
 * KWindowSystem is only compile tested (unit testing is difficult as we need 
 a window manager which supports this property which is at the moment of this 
 writing: none)
 * Windows and Mac is not even compile tested, that's why kdewin is included 
 in the review. If you have the time for it, please do a compile test.
 
 
 Thanks,
 
 Martin Gräßlin
 


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Re: Review Request 115137: Provide information about the active screen in KWindowSystem

2014-01-20 Thread Thomas Lübking

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---


given the ratio by this property is set (often) and read (rarely), i wonder 
whether we could establish a semi-async functionality, where the client sends a 
message to have the property updated, then syncs, reads and returns the updated 
property?

reg. screen ./. output terminology:
we've active screen everywhere and we can probably not expose the 
screen/output problem to end users.
Also Qt talks of screen in this regard.
I'd suggest to keep activeScreen and specify the meaning in the comment.


- Thomas Lübking


On Jan. 20, 2014, 1:14 p.m., Martin Gräßlin wrote:
 
 ---
 This is an automatically generated e-mail. To reply, visit:
 https://git.reviewboard.kde.org/r/115137/
 ---
 
 (Updated Jan. 20, 2014, 1:14 p.m.)
 
 
 Review request for KDE Frameworks, kdewin and kwin.
 
 
 Repository: kwindowsystem
 
 
 Description
 ---
 
 The rational for these changes is based on the discussion in 
 http://article.gmane.org/gmane.comp.kde.devel.plasma/27579/
 
 Plasma needs to know which is the active screen and so far only KWin knows 
 it, so we need to make everybody aware of it.
 
 ---
 Add convenient wrapper for active screen to KWindowSystem
 
 A method is added to get the identifier of the active screen as a
 QString and a signal whenever the active screen changes. This method
 is only provided for X11, on Windows and Mac a null QString is returned
 as the identifier.
 
 Add an active screen property to NETRootInfo
 
 The active screen is intended to be set by KWin to the active screen
 it's using. This can be used by a Client to manually position e.g.
 override redirect windows on the active screen. It's intended as a help
 for multi-screen setups where a Client can only do guesses on where to
 position e.g. a notification window.
 
 It's a KDE specific extension as property _KDE_NET_ACTIVE_SCREEN and
 announced in the supported properties.
 
 
 Diffs
 -
 
   autotests/netrootinfotestwm.cpp 120fbee92d0b22862d8ce746b3b30891ecd9f056 
   src/kwindowsystem.h 5bcfd062dcca42d282b70d0683d4ee1da88cc814 
   src/kwindowsystem_mac.cpp 8bd2ac763fa26ba49e7733fc3ba93e755383928c 
   src/kwindowsystem_win.cpp 96148b2d808396a3046204e55fd19d767db017c5 
   src/kwindowsystem_x11.cpp 8634240cabc708a608277b34f21c41cee295e48a 
   src/netwm.h aee6cea5e3b65cf6252b50515e4920cb9c96f240 
   src/netwm.cpp 266afccaf111e6707493b18dad1d9c03dde1d912 
   src/netwm_def.h 8b1ccb8bd731aefb9559c8f2b450337b0312ed4d 
   src/netwm_p.h 41792b330f7405034f4d51fb31a4de5dd674b6d0 
 
 Diff: https://git.reviewboard.kde.org/r/115137/diff/
 
 
 Testing
 ---
 
 * wm part of NETWM is unit tested
 * KWindowSystem is only compile tested (unit testing is difficult as we need 
 a window manager which supports this property which is at the moment of this 
 writing: none)
 * Windows and Mac is not even compile tested, that's why kdewin is included 
 in the review. If you have the time for it, please do a compile test.
 
 
 Thanks,
 
 Martin Gräßlin
 


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