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InputText: numerical fields automatically accept full-width characters (U+FF01..U+FF5E) by converting them to half-width (U+0021..U+007E).

This commit is contained in:
ocornut 2022-08-08 17:06:11 +02:00
parent a396233cb6
commit 268565079c
2 changed files with 12 additions and 1 deletions

View File

@ -65,6 +65,8 @@ Other Changes:
- InputText: added experimental io.ConfigInputTextEnterKeepActive feature to make pressing
Enter keep the input active and select all text.
- InputText: numerical fields automatically accept full-width characters (U+FF01..U+FF5E)
by converting them to half-width (U+0021..U+007E).
- Tables,Columns: fixed a layout issue where SameLine() prior to a row change would set the
next row in such state where subsequent SameLine() would move back to previous row.
- Tabs: Fixed a crash when closing multiple windows (possible with docking only) with an

View File

@ -3923,6 +3923,13 @@ static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags f
ImGuiContext& g = *GImGui;
const unsigned c_decimal_point = (unsigned int)g.PlatformLocaleDecimalPoint;
// Full-width -> half-width conversion for numeric fields (https://en.wikipedia.org/wiki/Halfwidth_and_Fullwidth_Forms_(Unicode_block)
// While this is mostly convenient, this has the side-effect for uninformed users accidentally inputting full-width characters that they may
// scratch their head as to why it works in numerical fields vs in generic text fields it would require support in the font.
if (flags & (ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_CharsScientific | ImGuiInputTextFlags_CharsHexadecimal))
if (c >= 0xFF01 && c <= 0xFF5E)
c = c - 0xFF01 + 0x21;
// Allow 0-9 . - + * /
if (flags & ImGuiInputTextFlags_CharsDecimal)
if (!(c >= '0' && c <= '9') && (c != c_decimal_point) && (c != '-') && (c != '+') && (c != '*') && (c != '/'))
@ -3941,11 +3948,13 @@ static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags f
// Turn a-z into A-Z
if (flags & ImGuiInputTextFlags_CharsUppercase)
if (c >= 'a' && c <= 'z')
*p_char = (c += (unsigned int)('A' - 'a'));
c += (unsigned int)('A' - 'a');
if (flags & ImGuiInputTextFlags_CharsNoBlank)
if (ImCharIsBlankW(c))
return false;
*p_char = c;
}
// Custom callback filter