hi all,
As said in the subject this is about snapping windows to the left/right
edge of the screen with the mouse.
I have developed an extension (put window) which allows you to move and
resize windows using /apps/metacity/window_keybindings. I use a a resize
function that looks like to manipulate the windows:
_resize = function(win, x, y, width, height) {
win.resize(true, width, height, true);
win.move(true, x, y);
}
Where win is a reference to global.display.focus_window.
After a window was snapped to an edge with the mouse it is not possible
to move or resize it with the above code.
Ok thats not absolutely true. After snapping a window to the right edge
open lg an try the following code. It manipulates the window but not in
the expected way:
global.display.focus_window.maximize(Meta.MaximizeFlags.HORIZONTAL)
* changes the height and the y position of the window.
global.display.focus_window.resize(true, 400, 400, true);
* changes the height
* win.width will not changed because it is maximized horizontal
global.display.focus_window.move(true, 200, 200);
* changes win.y correctly
* win.x will not changed because it is maximized horizontal
If you call unmaximize the window is restored to the snapped position.
(both statements have this effect)
global.display.focus_window.unmaximize(Meta.MaximizeFlags.HORIZONTAL);
global.display.focus_window.unmaximize(Meta.MaximizeFlags.VERTICAL);
This behaviour is not expected but i don't thing it is a bug. I thing
this just happens because i use it the wrong way.
Another thing i have noticed is that the window changes a little bit
(take right edge again):
1) the round edge on the left top and bottom corner disappear.
* really nice!. If you just "vertical maximize" the window
the corners are not changed.
* I guess this is done by the snap function. But how?
2) Resizing
+ "global.display.focus_window.resizeable" returnes true
+ It is possible to resize the window with the keyboard
+mouse combination (for me its <Super>Mouse_3
- It is not possible to enter the "resize mode" (right click the header
-> resize, keyboardbinding)
When I started to develop my extension i used the "snap feature" very
frequently and run into this problem. I checked the gnome-shell and
metacity sources but haven't found anything that really helped me. Now
some other people are using this extension too and a bug is a bug :).
Can someone give me a hint where i can find the "snap function"?
Or even better, how i can check if a window is snapped and how to
"unsnap" it?
kind regards
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