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Unicode: UTF32 support improvements (#2541, #2538, #2815)

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- Make ImWchar32 unsigned.
 - Fix Win32 version of ImFileOpen by including windows.h sooner.
 - Make ImGuiIO::AddInputCharacterUTF16() more robust by disallowing illegal
surrogate pairs.
 - Allow pushing higher plane codepoints through ImGuiIO::AddInputCharacter().
 - Minor cleaning up in the high-plane Unicode support.
 - Fix Clang -Wunreachable-code warning
This commit is contained in:
Sam Hocevar
2019-09-29 12:15:13 +02:00
committed by ocornut
parent 6d59653e82
commit c8ea0a017d
3 changed files with 46 additions and 35 deletions
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4
imgui_draw.cpp
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@ -2724,7 +2724,7 @@ void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
{
if (c >= IndexLookup.Size)
if (c >= (size_t)IndexLookup.Size)
return FallbackGlyph;
const ImWchar i = IndexLookup.Data[c];
if (i == (ImWchar)-1)
@ -2734,7 +2734,7 @@ const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
{
if (c >= IndexLookup.Size)
if (c >= (size_t)IndexLookup.Size)
return NULL;
const ImWchar i = IndexLookup.Data[c];
if (i == (ImWchar)-1)