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Centre() supports wxCENTER_FRAME flag now

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3138 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-07-26 09:46:53 +00:00
parent fa834f81d7
commit c39eda949d
3 changed files with 20 additions and 35 deletions
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4
docs/latex/wx/window.tex
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@@ -137,7 +137,9 @@ Centres the window.
\wxheading{Parameters}
\docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
or {\tt wxBOTH}.}
or {\tt wxBOTH}. It may also include {\tt wxCENTER\_FRAME} flag if you want to center the window
on its parent and not on the screen (actually, this flag is added automatically for all controls
because it makes no sense to center them on the screen)}
\wxheading{Remarks}

8
include/wx/window.h
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@@ -257,10 +257,10 @@ public:
}
// centre with respect to the the parent window
void Centre( int direction = wxHORIZONTAL );
void Center( int direction = wxHORIZONTAL ) { Centre(direction); }
void CentreOnParent(int direction = wxHORIZONTAL );
void CenterOnParent(int direction = wxHORIZONTAL ) { CentreOnParent(direction); }
void Centre( int direction = wxBOTH );
void Center( int direction = wxBOTH ) { Centre(direction); }
void CentreOnParent( int dir = wxBOTH ) { Centre(dir | wxCENTER_FRAME); }
void CenterOnParent( int dir = wxBOTH ) { Centre(dir | wxCENTER_FRAME); }
// set window size to wrap around its children
virtual void Fit();

41
src/common/wincmn.cpp
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@@ -314,44 +314,27 @@ void wxWindowBase::Centre(int direction)
int width, height;
GetSize(&width, &height);
int new_x = -1,
new_y = -1;
int xNew = -1,
yNew = -1;
if ( direction & wxHORIZONTAL )
new_x = (widthParent - width)/2;
xNew = (widthParent - width)/2;
if ( direction & wxVERTICAL )
new_y = (heightParent - height)/2;
yNew = (heightParent - height)/2;
Move(new_x, new_y);
}
// Center TopLevel windows over thier parent instead of the whole screen
void wxWindowBase::CentreOnParent(int direction)
// controls are always centered on their parent because it doesn't make
// sense to centre them on the screen
if ( (direction & wxCENTER_FRAME) || wxDynamicCast(this, wxControl) )
{
wxPoint ppos;
wxSize psze;
wxSize wsze;
wxWindow* parent = GetParent();
int x, y;
// adjust to the parents client area origin
wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0));
if (!parent || !IsTopLevel()) {
Centre(direction);
return;
xNew += posParent.x;
yNew += posParent.y;
}
psze = parent->GetSize();
ppos = parent->ClientToScreen(wxPoint(0,0));
wsze = GetSize();
x = y = -1;
if (direction == wxBOTH || direction == wxHORIZONTAL)
x = ppos.x + (psze.x - wsze.x)/2;
if (direction == wxBOTH || direction == wxVERTICAL)
y = ppos.y + (psze.y - wsze.y)/2;
Move(x, y);
Move(xNew, yNew);
}
// fits the window around the children