Make "Close" button affirmative ID in standard dialog button sizer.

This allows to use the Escape key to close a dialog with the "Close" button
only.

Closes #16185.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76421 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix problems due to using "%i" format with size_t in propgrid sample.

Cast size_t value to int when passing it to "%i" format specifier as it has a
different size on LP64 platforms.

Closes #16213.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76423 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
backport, fix memory leak, see #15666

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76427 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
backport, fix multiline texts for drawing rotated text, see #16216

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76429 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
backport, supporting alpha channel from clipboard correctly, closes #16198

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76432 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix wxGetClientDisplayRect() when _NET_WORKAREA is not supported.

Don't intersect the total rectangle with the uninitialized work area one
resulting in an empty rectangle being returned from wxGetClientDisplayRect()
if X11 server doesn't support _NET_WORKAREA (this is the case for at least
Cygwin X11 server).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76433 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
avoid referencing xml and html libs when they are not enabled

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76435 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
send changed event when selecting a special directory from wxDirPickerCtrl combobox
closes #16064


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76436 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775