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Add check against NULL pointer (fix for issue #338).

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ManoloFLTK
2021-12-19 08:50:15 +01:00
parent 29531873ea
commit 4d934e003a
1 changed files with 2 additions and 1 deletions
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src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx
+2 -1
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@@ -275,7 +275,8 @@ void Fl_GDI_Graphics_Driver::set_spot(int font, int size, int X, int Y, int W, i
cfs.ptCurrentPos.y = int(Y * s) - int(tw->labelsize() * s); cfs.ptCurrentPos.y = int(Y * s) - int(tw->labelsize() * s);
// Attempt to have temporary text entered by input method use scaled font. // Attempt to have temporary text entered by input method use scaled font.
// Does good, but still not always effective. // Does good, but still not always effective.
SelectObject((HDC)gc(), ((Fl_GDI_Font_Descriptor*)font_descriptor())->fid); Fl_GDI_Font_Descriptor *desc = (Fl_GDI_Font_Descriptor*)font_descriptor();
if (desc) SelectObject((HDC)gc(), desc->fid);
MapWindowPoints(fl_xid(win), fl_xid(tw), &cfs.ptCurrentPos, 1); MapWindowPoints(fl_xid(win), fl_xid(tw), &cfs.ptCurrentPos, 1);
flImmSetCompositionWindow(himc, &cfs); flImmSetCompositionWindow(himc, &cfs);
flImmReleaseContext(fl_xid(tw), himc); flImmReleaseContext(fl_xid(tw), himc);