This is a trivial accessor which somehow was never added before even though we
had GetToolsCount() and even DeleteToolByPos().
Closes#11120.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64004 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Stretchable spaces consume all extra toolbar space not allocated to the fixed
size items. They can in particular be used to right-align (some) toolbar tools.
Add and document the new API, change the sample to show it and implement it
for MSW, GTK and OS X/Cocoa.
Also refactor MSW background erasing/repainting code to avoid duplicated calls
to DrawThemeBackground(), call it from a new helper MSWEraseRect() function.
Note that we may want to add support for "invisible" separators, IOW
non-stretchable spaces. This could be easily done for MSW after the changes in
this commit and is supported natively by GTK+ and Cocoa so implementing this
would be trivial if there is any interest.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62850 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Added a helper DoInsertNewTool() function to avoid code duplication and ensure
that we never forget to delete a new tool if inserting it into the toolbar
failed.
Also explicitly document that the tool passed to the public InsertTool() is
not owned by the toolbar and so must be deleted by the caller if its insertion
failed.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62846 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
