Merge lp:~3v1n0/compiz/maximized-window-decor-adjust into lp:compiz/0.9.11

[Marco Trevisan (Treviño)]

Window: resize a maximized window if the decorations changed, so that it will fill all the available space

Set back the "resize hack" on extents changes for maximized windows.
In case they get decorated/undecorated, they need to resize in order
to fill the available space.

[lp:~3v1n0/compiz/maximized-window-decor-adjust]

3815. By Marco Trevisan (Treviño) on 2014-01-17

Window: resize a maximized window if the decorations changed, so that it will fill all the available space

[PS Jenkins bot (ps-jenkins)]

PASSED: Continuous integration, rev:3815
http://jenkins.qa.ubuntu.com/job/compiz-0.9.11-ci/23/
Executed test runs:
    SUCCESS: http://jenkins.qa.ubuntu.com/job/compiz-0.9.11-trusty-amd64-ci/23
    SUCCESS: http://jenkins.qa.ubuntu.com/job/compiz-0.9.11-trusty-armhf-ci/23
    SUCCESS: http://jenkins.qa.ubuntu.com/job/compiz-0.9.11-trusty-i386-ci/23

Click here to trigger a rebuild:
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review: Approve (continuous-integration)

[Christopher Townsend (townsend)]

+1

review: Approve

=== modified file 'src/window.cpp'
--- src/window.cpp	2014-01-13 15:52:59 +0000
+++ src/window.cpp	2014-01-17 12:25:36 +0000
@@ -6585,6 +6585,19 @@
 	    compiz::window::extents::shift (priv->border,
 					    priv->sizeHints.win_gravity);
 
+	CompSize sizeDelta;
+
+	/* We don't want to change the size of the window in general, but this is
+	 * needed in case that the window is maximized, so that it will extend
+	 * to use the whole available space. */
+	if ((state() & MAXIMIZE_STATE) == MAXIMIZE_STATE)
+	{
+	    sizeDelta.setWidth (-((b->left + b->right) -
+				  (priv->border.left + priv->border.right)));
+	    sizeDelta.setHeight (-((b->top + b->bottom) -
+				   (priv->border.top + priv->border.bottom)));
+	}
+
 	priv->serverInput = *i;
 	priv->border      = *b;
 
@@ -6593,8 +6606,8 @@
 
 	xwc.x = movement.x () + priv->serverGeometry.x ();
 	xwc.y = movement.y () + priv->serverGeometry.y ();
-	xwc.width = priv->serverGeometry.width ();
-	xwc.height = priv->serverGeometry.height ();
+	xwc.width = sizeDelta.width () + priv->serverGeometry.width ();
+	xwc.height = sizeDelta.height () + priv->serverGeometry.height ();
 
 	configureXWindow (CWX | CWY | CWWidth | CWHeight, &xwc);