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Fix cell selection drawing in wxDVC on MSW with system theme

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Keyboard focus rect when selecting a column was nearly invisible against the
light background. Now the correct theme parts are used when drawing with UX
theme and the old behavior (white focus rect) is used everywhere else.

See #16414
This commit is contained in:
Tobias Taschner
2015-09-30 19:07:24 +02:00
committed by Vadim Zeitlin
parent 515fcc66e6
commit 4ac0250f90
5 changed files with 121 additions and 87 deletions
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141
src/generic/datavgen.cpp
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@@ -1801,44 +1801,6 @@ wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
#endif // wxUSE_DRAG_AND_DROP
// Draw focus rect for individual cell. Unlike native focus rect, we render
// this in foreground text color (typically white) to enhance contrast and
// make it visible.
static void DrawSelectedCellFocusRect(wxDC& dc, const wxRect& rect)
{
// (This code is based on wxRendererGeneric::DrawFocusRect and modified.)
// draw the pixels manually because the "dots" in wxPen with wxDOT style
// may be short traits and not really dots
//
// note that to behave in the same manner as DrawRect(), we must exclude
// the bottom and right borders from the rectangle
wxCoord x1 = rect.GetLeft(),
y1 = rect.GetTop(),
x2 = rect.GetRight(),
y2 = rect.GetBottom();
wxDCPenChanger pen(dc, wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
wxCoord z;
for ( z = x1 + 1; z < x2; z += 2 )
dc.DrawPoint(z, rect.GetTop());
wxCoord shift = z == x2 ? 0 : 1;
for ( z = y1 + shift; z < y2; z += 2 )
dc.DrawPoint(x2, z);
shift = z == y2 ? 0 : 1;
for ( z = x2 - shift; z > x1; z -= 2 )
dc.DrawPoint(z, y2);
shift = z == x1 ? 0 : 1;
for ( z = y2 - shift; z > y1; z -= 2 )
dc.DrawPoint(x1, z);
}
void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
wxDataViewModel *model = GetModel();
@@ -1994,29 +1956,18 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
if (selected || item == m_currentRow)
{
wxRect rect( x_start, GetLineStart( item ),
wxRect rowRect( x_start, GetLineStart( item ),
x_last - x_start, GetLineHeight( item ) );
// draw selection and whole-item focus:
if ( selected )
{
int flags = wxCONTROL_SELECTED;
if (m_hasFocus)
flags |= wxCONTROL_FOCUSED;
bool renderColumnFocus = false;
wxRendererNative::Get().DrawItemSelectionRect
(
this,
dc,
rect,
flags
);
}
int flags = wxCONTROL_SELECTED;
if ( m_hasFocus )
flags |= wxCONTROL_FOCUSED;
// draw keyboard focus rect if applicable
if ( item == m_currentRow && m_hasFocus )
{
bool renderColumnFocus = false;
if ( m_useCellFocus && m_currentCol && m_currentColSetByKeyboard )
{
@@ -2033,54 +1984,76 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
if ( renderColumnFocus )
{
wxRect colRect(rowRect);
for ( unsigned int i = col_start; i < col_last; i++ )
{
wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
if ( col->IsHidden() )
continue;
rect.width = col->GetWidth();
colRect.width = col->GetWidth();
if ( col == m_currentCol )
{
// make the rect more visible by adding a small
// margin around it:
rect.Deflate(1, 1);
// Draw selection rect left of column
{
wxRect clipRect(rowRect);
clipRect.width = colRect.x;
if ( selected )
{
// DrawFocusRect() uses XOR and is all but
// invisible against dark-blue background. Use
// the same color used for selected text.
DrawSelectedCellFocusRect(dc, rect);
wxDCClipper clip(dc, clipRect);
wxRendererNative::Get().DrawItemSelectionRect
(
this,
dc,
rowRect,
flags
);
}
else
// Draw selection rect right of column
{
wxRendererNative::Get().DrawFocusRect
(
this,
dc,
rect,
0
);
wxRect clipRect(rowRect);
clipRect.x = colRect.x + colRect.width;
clipRect.width = rowRect.width - clipRect.x;
wxDCClipper clip(dc, clipRect);
wxRendererNative::Get().DrawItemSelectionRect
(
this,
dc,
rowRect,
flags
);
}
// Draw column selection rect
wxRendererNative::Get().DrawItemSelectionRect
(
this,
dc,
colRect,
flags | wxCONTROL_CURRENT | wxCONTROL_CELL
);
break;
}
rect.x += rect.width;
colRect.x += colRect.width;
}
}
else
{
// render focus rectangle for the whole row
wxRendererNative::Get().DrawFocusRect
(
this,
dc,
rect,
selected ? (int)wxCONTROL_SELECTED : 0
);
}
}
// draw selection and whole-item focus:
if ( selected && !renderColumnFocus )
{
wxRendererNative::Get().DrawItemSelectionRect
(
this,
dc,
rowRect,
flags | wxCONTROL_CURRENT
);
}
}
}