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Make InheritAttributes and ShouldInheritColours public so they can be

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called from derived Python classes.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26841 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
2004-04-17 02:13:53 +00:00
parent 97149f1898
commit 75b39b4c0b
1 changed files with 39 additions and 12 deletions
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51
wxPython/src/_window.i
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@@ -1721,19 +1721,46 @@ the window can remove itself from the sizer when it is destroyed.");
#endif
// TODO: These are currently protected, but woudl be nice ot have them in wxPython...
//
// // inherit the parents visual attributes if they had been explicitly set
// // by the user (i.e. we don't inherit default attributes) and if we don't
// // have our own explicitly set
// virtual void InheritAttributes();
// // returns false from here if this window doesn't want to inherit the
// // parents colours even if InheritAttributes() would normally do it
// //
// // this just provides a simple way to customize InheritAttributes()
// // behaviour in the most common case
// virtual bool ShouldInheritColours() const { return false; }
DocDeclStr(
virtual void , InheritAttributes(),
"This function is (or should be, in case of custom controls)
called during window creation to intelligently set up the window
visual attributes, that is the font and the foreground and
background colours.
By 'intelligently' the following is meant: by default, all
windows use their own default attributes. However if some of the
parent's attributes are explicitly changed (that is, using
SetFont and not SetDefaultFont) and if the corresponding
attribute hadn't been explicitly set for this window itself, then
this window takes the same value as used by the parent. In
addition, if the window overrides ShouldInheritColours to return
false, the colours will not be changed no matter what and only
the font might.
This rather complicated logic is necessary in order to accomodate
the different usage scenarius. The most common one is when all
default attributes are used and in this case, nothing should be
inherited as in modern GUIs different controls use different
fonts (and colours) than their siblings so they can't inherit the
same value from the parent. However it was also deemed desirable
to allow to simply change the attributes of all children at once
by just changing the font or colour of their common parent, hence
in this case we do inherit the parents attributes.");
// TODO: Virtualize this with directors
DocDeclStr(
virtual bool , ShouldInheritColours() const,
"Return true from here to allow the colours of this window to be
changed by InheritAttributes, returning false forbids inheriting
them from the parent window.
The base class version returns false, but this method is
overridden in wxControl where it returns true.");
%pythoncode {