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Fix size of owner-drawn checkbox at non-standard DPI

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Get the correct size from wxRendererNative instead of wxGetSystemMetrics.
Simplify positioning the button and label rectangles.

Closes #19095
This commit is contained in:
Maarten Bent
2021-03-10 23:46:24 +01:00
parent 18edbe93f2
commit 3a1576f74c
1 changed files with 9 additions and 14 deletions
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23
src/msw/control.cpp
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@@ -542,34 +542,29 @@ bool wxMSWOwnerDrawnButtonBase::MSWDrawButton(WXDRAWITEMSTRUCT *item)
// choose the values consistent with those used for native, non
// owner-drawn, buttons
static const int MARGIN = 3;
int CXMENUCHECK = wxGetSystemMetrics(SM_CXMENUCHECK, m_win) + 1;
// the buttons were even bigger under Windows XP
if ( wxGetWinVersion() < wxWinVersion_6 )
CXMENUCHECK += 2;
const int spacing = m_win->FromDIP(3);
const wxSize cbSize = wxRendererNative::Get().GetCheckBoxSize(m_win, flags);
// The space between the button and the label
// is included in the button bitmap.
const int buttonSize = wxMin(CXMENUCHECK - MARGIN, m_win->GetSize().y);
const int buttonSize = wxMin(cbSize.y, m_win->GetSize().y);
rectButton.top = rect.top + (rect.bottom - rect.top - buttonSize) / 2;
rectButton.bottom = rectButton.top + buttonSize;
const bool isRightAligned = m_win->HasFlag(wxALIGN_RIGHT);
if ( isRightAligned )
{
rectLabel.right = rect.right - CXMENUCHECK;
rectLabel.left = rect.left;
rectButton.right = rect.right;
rectButton.left = rectButton.right - buttonSize;
rectButton.left = rectLabel.right + ( CXMENUCHECK + MARGIN - buttonSize ) / 2;
rectButton.right = rectButton.left + buttonSize;
rectLabel.right = rectButton.left - spacing;
rectLabel.left = rect.left;
}
else // normal, left-aligned button
{
rectButton.left = rect.left + ( CXMENUCHECK - MARGIN - buttonSize ) / 2;
rectButton.left = rect.left;
rectButton.right = rectButton.left + buttonSize;
rectLabel.left = rect.left + CXMENUCHECK;
rectLabel.left = spacing + rectButton.right;
rectLabel.right = rect.right;
}