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Fonts, Text: Fixed wrapped-text not doing a fast-forward on lines above the clipping region. (#5720)
which would result in an abnormal number of vertices created.
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@ -138,6 +138,9 @@ Other Changes:
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- Nav: Fixed moving/resizing window with gamepad or keyboard when running at very high framerate.
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- Nav: Pressing Space/GamepadFaceDown on a repeating button uses the same repeating rate as a mouse hold.
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- Nav: Fixed an issue opening a menu with Right key from a non-menu window.
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- Fonts, Text: Fixed wrapped-text not doing a fast-forward on lines above the clipping region,
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which would result in an abnormal number of vertices created (was slower and more likely to
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asserts with 16-bits ImDrawVtx). (#5720)
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- Platform IME: [Windows] Removed call to ImmAssociateContextEx() leading to freeze on some setups.
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(#2589, #5535, #5264, #4972)
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- Misc: ImGuiKey is now a typed enum, allowing ImGuiKey_XXX symbols to be named in debuggers. (#4921)
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@ -3563,11 +3563,22 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im
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// Fast-forward to first visible line
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const char* s = text_begin;
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if (y + line_height < clip_rect.y && !word_wrap_enabled)
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if (y + line_height < clip_rect.y)
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while (y + line_height < clip_rect.y && s < text_end)
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{
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s = (const char*)memchr(s, '\n', text_end - s);
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s = s ? s + 1 : text_end;
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const char* line_end = (const char*)memchr(s, '\n', text_end - s);
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if (word_wrap_enabled)
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{
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// FIXME-OPT: This is not optimal as do first do a search for \n before calling CalcWordWrapPositionA().
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// If the specs for CalcWordWrapPositionA() were reworked to optionally return on \n we could combine both.
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// However it is still better than nothing performing the fast-forward!
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s = CalcWordWrapPositionA(scale, s, line_end, wrap_width);
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s = CalcWordWrapNextLineStartA(s, text_end);
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}
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else
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{
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s = line_end ? line_end + 1 : text_end;
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}
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y += line_height;
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}
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@ -334,8 +334,10 @@ IMGUI_API const ImWchar*ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* bu
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IMGUI_API const char* ImStristr(const char* haystack, const char* haystack_end, const char* needle, const char* needle_end);
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IMGUI_API void ImStrTrimBlanks(char* str);
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IMGUI_API const char* ImStrSkipBlank(const char* str);
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IM_MSVC_RUNTIME_CHECKS_OFF
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static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; }
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static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c == '\t' || c == 0x3000; }
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IM_MSVC_RUNTIME_CHECKS_RESTORE
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// Helpers: Formatting
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IMGUI_API int ImFormatString(char* buf, size_t buf_size, const char* fmt, ...) IM_FMTARGS(3);
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