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Fix determining shift of the drawn scrolled contents

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Position of the visible portion of the window should be taken as a drawing offset.

See #18313.
This commit is contained in:
Artur Wieczorek
2018-12-27 10:01:51 +01:00
parent cc32ebc979
commit 73b5d3420e
1 changed files with 5 additions and 16 deletions
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21
src/propgrid/propgrid.cpp
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@@ -2028,7 +2028,7 @@ void wxPropertyGrid::DrawItems( wxDC& dc,
#if WXWIN_COMPATIBILITY_3_0
int wxPropertyGrid::DoDrawItemsBase( wxDC& dc,
const wxRect* itemsRect,
bool isBuffered ) const
bool WXUNUSED(isBuffered) ) const
#else
int wxPropertyGrid::DoDrawItems( wxDC& dc,
const wxRect* itemsRect ) const
@@ -2043,8 +2043,9 @@ int wxPropertyGrid::DoDrawItems( wxDC& dc,
if ( !lastItem )
lastItem = GetLastItem( wxPG_ITERATE_VISIBLE );
int vy;
GetViewStart(NULL, &vy);
int vx, vy;
GetViewStart(&vx, &vy);
vx *= wxPG_PIXELS_PER_UNIT;
vy *= wxPG_PIXELS_PER_UNIT;
if ( IsFrozen() || m_height < 1 || firstItem == NULL )
@@ -2090,22 +2091,10 @@ int wxPropertyGrid::DoDrawItems( wxDC& dc,
long windowStyle = m_windowStyle;
#if WXWIN_COMPATIBILITY_3_0
int xRelMod = 0;
if ( isBuffered )
{
xRelMod = itemsRect->x;
// itemsRect conversion
firstItemTopY -= vy;
lastItemBottomY -= vy;
}
#else
int xRelMod = itemsRect->x;
int xRelMod = vx;
// itemsRect conversion
firstItemTopY -= vy;
lastItemBottomY -= vy;
#endif
int x = m_marginWidth - xRelMod;