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decoupled attributes inheritance and m_hasXXX flags

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28100 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík 2004-06-30 13:05:20 +00:00
parent b70b68a9ba
commit f8ff87ed6d
2 changed files with 19 additions and 8 deletions
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15
include/wx/window.h
View File

@ -725,13 +725,13 @@ public:
// set/retrieve the window colours (system defaults are used by
// default): SetXXX() functions return true if colour was changed,
// SetDefaultXXX() reset the "m_hasXXX" flag after setting the value
// to prevent it from being inherited by our children
// SetDefaultXXX() reset the "m_inheritXXX" flag after setting the
// value to prevent it from being inherited by our children
virtual bool SetBackgroundColour(const wxColour& colour);
void SetDefaultBackgroundColour(const wxColour& colour)
{
if ( SetBackgroundColour(colour) )
m_hasBgCol = false;
m_inheritBgCol = false;
}
wxColour GetBackgroundColour() const;
@ -739,7 +739,7 @@ public:
void SetDefaultForegroundColour(const wxColour& colour)
{
if ( SetForegroundColour(colour) )
m_hasFgCol = false;
m_inheritFgCol = false;
}
wxColour GetForegroundColour() const;
@ -749,7 +749,7 @@ public:
void SetDefaultFont(const wxFont& font)
{
if ( SetFont(font) )
m_hasFont = false;
m_inheritFont = false;
}
wxFont GetFont() const;
@ -1120,6 +1120,11 @@ protected:
bool m_hasBgCol:1;
bool m_hasFgCol:1;
bool m_hasFont:1;
// and should it be inherited by children?
bool m_inheritBgCol:1;
bool m_inheritFgCol:1;
bool m_inheritFont:1;
// window attributes
long m_windowStyle,

12
src/common/wincmn.cpp
View File

@ -145,6 +145,9 @@ wxWindowBase::wxWindowBase()
m_hasBgCol =
m_hasFgCol =
m_hasFont = false;
m_inheritBgCol =
m_inheritFgCol =
m_inheritFont = false;
// no style bits
m_exStyle =
@ -942,17 +945,17 @@ void wxWindowBase::InheritAttributes()
// which ensures that this only happens if the user really wants it and
// not by default which wouldn't make any sense in modern GUIs where the
// controls don't all use the same fonts (nor colours)
if ( parent->m_hasFont && !m_hasFont )
if ( parent->m_inheritFont && !m_hasFont )
SetFont(parent->GetFont());
// in addition, there is a possibility to explicitly forbid inheriting
// colours at each class level by overriding ShouldInheritColours()
if ( ShouldInheritColours() )
{
if ( parent->m_hasFgCol && !m_hasFgCol )
if ( parent->m_inheritFgCol && !m_hasFgCol )
SetForegroundColour(parent->GetForegroundColour());
if ( parent->m_hasBgCol && !m_hasBgCol )
if ( parent->m_inheritBgCol && !m_hasBgCol )
SetBackgroundColour(parent->GetBackgroundColour());
}
}
@ -1017,6 +1020,7 @@ bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
return false;
m_hasBgCol = colour.Ok();
m_inheritBgCol = m_hasBgCol;
m_backgroundColour = colour;
SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
return true;
@ -1028,6 +1032,7 @@ bool wxWindowBase::SetForegroundColour( const wxColour &colour )
return false;
m_hasFgCol = colour.Ok();
m_inheritFgCol = m_hasFgCol;
m_foregroundColour = colour;
SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
return true;
@ -1075,6 +1080,7 @@ bool wxWindowBase::SetFont(const wxFont& font)
m_font = font;
m_hasFont = font.Ok();
m_inheritFont = m_hasFont;
return true;
}