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Sliders, Drags: Fixed manual input when using hexadecimal display format string. (#5165, #3133)

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InputScalar: Fixed manual input when using %03d style width in display format string.
(amended once)
This commit is contained in:
ocornut 2022-04-04 18:20:04 +02:00
parent 508c9aaf60
commit c521883be4
4 changed files with 63 additions and 36 deletions
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4
docs/CHANGELOG.txt
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@ -53,7 +53,9 @@ Other Changes:
or interacting with a game/3D view).
- Clipper: Fixed a regression in 1.86 when not calling clipper.End() and late destructing the
clipper instance. High-level languages (Lua,Rust etc.) would typically be affected. (#4822)
- Sliders, Drags: Fixed using hexadecimal display format strings (it never worked). (#5165, #3133)
- Sliders, Drags: Fixed dragging when using hexadecimal display format string. (#5165, #3133)
- Sliders, Drags: Fixed manual input when using hexadecimal display format string. (#5165, #3133)
- InputScalar: Fixed manual input when using %03d style width in display format string. (#5165, #3133)
- IsItemHovered(): added ImGuiHoveredFlags_NoNavOverride to disable the behavior where the
return value is overriden by focus when gamepad/keyboard navigation is active.
- InputText: Fixed pressing Tab emitting two tabs characters because of dual Keys/Chars events being

2
imgui.h
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@ -65,7 +65,7 @@ Index of this file:
// Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
#define IMGUI_VERSION "1.88 WIP"
#define IMGUI_VERSION_NUM 18714
#define IMGUI_VERSION_NUM 18715
#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
#define IMGUI_HAS_TABLE

2
imgui_internal.h
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@ -334,6 +334,8 @@ IMGUI_API int ImFormatStringV(char* buf, size_t buf_size, const char*
IMGUI_API const char* ImParseFormatFindStart(const char* format);
IMGUI_API const char* ImParseFormatFindEnd(const char* format);
IMGUI_API const char* ImParseFormatTrimDecorations(const char* format, char* buf, size_t buf_size);
IMGUI_API void ImParseFormatSanitizeForPrinting(const char* fmt_in, char* fmt_out, size_t fmt_out_size);
IMGUI_API const char* ImParseFormatSanitizeForScanning(const char* fmt_in, char* fmt_out, size_t fmt_out_size);
IMGUI_API int ImParseFormatPrecision(const char* format, int default_value);
// Helpers: UTF-8 <> wchar conversions

91
imgui_widgets.cpp
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@ -2007,23 +2007,20 @@ bool ImGui::DataTypeApplyFromText(const char* buf, ImGuiDataType data_type, void
ImGuiDataTypeTempStorage data_backup;
memcpy(&data_backup, p_data, type_info->Size);
if (format == NULL)
// Sanitize format
// For float/double we have to ignore format with precision (e.g. "%.2f") because sscanf doesn't take them in, so force them into %f and %lf
char format_sanitized[32];
if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
format = type_info->ScanFmt;
if (data_type == ImGuiDataType_S32 || data_type == ImGuiDataType_U32 || data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64 || data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
{
// For float/double we have to ignore format with precision (e.g. "%.2f") because sscanf doesn't take them in, so force them into %f and %lf
if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
format = type_info->ScanFmt;
if (sscanf(buf, format, p_data) < 1)
return false;
}
else
format = ImParseFormatSanitizeForScanning(format, format_sanitized, IM_ARRAYSIZE(format_sanitized));
// Small types need a 32-bit buffer to receive the result from scanf()
int v32 = 0;
if (sscanf(buf, format, type_info->Size >= 4 ? p_data : &v32) < 1)
return false;
if (type_info->Size < 4)
{
// Small types need a 32-bit buffer to receive the result from scanf()
int v32;
if (sscanf(buf, format, &v32) < 1)
return false;
if (data_type == ImGuiDataType_S8)
*(ImS8*)p_data = (ImS8)ImClamp(v32, (int)IM_S8_MIN, (int)IM_S8_MAX);
else if (data_type == ImGuiDataType_U8)
@ -2104,26 +2101,10 @@ static float GetMinimumStepAtDecimalPrecision(int decimal_precision)
return (decimal_precision < IM_ARRAYSIZE(min_steps)) ? min_steps[decimal_precision] : ImPow(10.0f, (float)-decimal_precision);
}
// Sanitize format
// - Zero terminate so extra characters after format (e.g. "%f123") don't confuse atof/atoi
// - stb_sprintf.h supports several new modifiers which format numbers in a way that also makes them incompatible atof/atoi.
static void SanitizeFormatString(const char* fmt, char* fmt_out, size_t fmt_out_size)
{
IM_UNUSED(fmt_out_size);
const char* fmt_end = ImParseFormatFindEnd(fmt);
IM_ASSERT((size_t)(fmt_end - fmt + 1) < fmt_out_size); // Format is too long, let us know if this happens to you!
while (fmt < fmt_end)
{
char c = *(fmt++);
if (c != '\'' && c != '$' && c != '_') // Custom flags provided by stb_sprintf.h. POSIX 2008 also supports '.
*(fmt_out++) = c;
}
*fmt_out = 0; // Zero-terminate
}
template<typename TYPE>
TYPE ImGui::RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, TYPE v)
{
IM_UNUSED(data_type);
IM_ASSERT(data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double);
const char* fmt_start = ImParseFormatFindStart(format);
if (fmt_start[0] != '%' || fmt_start[1] == '%') // Don't apply if the value is not visible in the format string
@ -2131,7 +2112,7 @@ TYPE ImGui::RoundScalarWithFormatT(const char* format, ImGuiDataType data_type,
// Sanitize format
char fmt_sanitized[32];
SanitizeFormatString(fmt_start, fmt_sanitized, IM_ARRAYSIZE(fmt_sanitized));
ImParseFormatSanitizeForPrinting(fmt_start, fmt_sanitized, IM_ARRAYSIZE(fmt_sanitized));
fmt_start = fmt_sanitized;
// Format value with our rounding, and read back
@ -3205,6 +3186,8 @@ bool ImGui::SliderScalarN(const char* label, ImGuiDataType data_type, void* v, i
// - ImParseFormatFindStart() [Internal]
// - ImParseFormatFindEnd() [Internal]
// - ImParseFormatTrimDecorations() [Internal]
// - ImParseFormatSanitizeForPrinting() [Internal]
// - ImParseFormatSanitizeForScanning() [Internal]
// - ImParseFormatPrecision() [Internal]
// - TempInputTextScalar() [Internal]
// - InputScalar()
@ -3268,6 +3251,44 @@ const char* ImParseFormatTrimDecorations(const char* fmt, char* buf, size_t buf_
return buf;
}
// Sanitize format
// - Zero terminate so extra characters after format (e.g. "%f123") don't confuse atof/atoi
// - stb_sprintf.h supports several new modifiers which format numbers in a way that also makes them incompatible atof/atoi.
void ImParseFormatSanitizeForPrinting(const char* fmt_in, char* fmt_out, size_t fmt_out_size)
{
const char* fmt_end = ImParseFormatFindEnd(fmt_in);
IM_UNUSED(fmt_out_size);
IM_ASSERT((size_t)(fmt_end - fmt_in + 1) < fmt_out_size); // Format is too long, let us know if this happens to you!
while (fmt_in < fmt_end)
{
char c = *fmt_in++;
if (c != '\'' && c != '$' && c != '_') // Custom flags provided by stb_sprintf.h. POSIX 2008 also supports '.
*(fmt_out++) = c;
}
*fmt_out = 0; // Zero-terminate
}
// - For scanning we need to remove all width and precision fields "%3.7f" -> "%f". BUT don't strip types like "%I64d" which includes digits. ! "%07I64d" -> "%I64d"
const char* ImParseFormatSanitizeForScanning(const char* fmt_in, char* fmt_out, size_t fmt_out_size)
{
const char* fmt_end = ImParseFormatFindEnd(fmt_in);
const char* fmt_out_begin = fmt_out;
IM_UNUSED(fmt_out_size);
IM_ASSERT((size_t)(fmt_end - fmt_in + 1) < fmt_out_size); // Format is too long, let us know if this happens to you!
bool has_type = false;
while (fmt_in < fmt_end)
{
char c = *fmt_in++;
if (!has_type && ((c >= '0' && c <= '9') || c == '.'))
continue;
has_type |= ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')); // Stop skipping digits
if (c != '\'' && c != '$' && c != '_') // Custom flags provided by stb_sprintf.h. POSIX 2008 also supports '.
*(fmt_out++) = c;
}
*fmt_out = 0; // Zero-terminate
return fmt_out_begin;
}
template<typename TYPE>
static const char* ImAtoi(const char* src, TYPE* output)
{
@ -3337,9 +3358,11 @@ bool ImGui::TempInputScalar(const ImRect& bb, ImGuiID id, const char* label, ImG
format = ImParseFormatTrimDecorations(format, fmt_buf, IM_ARRAYSIZE(fmt_buf));
DataTypeFormatString(data_buf, IM_ARRAYSIZE(data_buf), data_type, p_data, format);
ImStrTrimBlanks(data_buf);
const bool is_floating_point = (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double);
const bool is_hexadecimal = !is_floating_point && format[0] && toupper(format[strlen(format) - 1]) == 'X';
ImGuiInputTextFlags flags = ImGuiInputTextFlags_AutoSelectAll | ImGuiInputTextFlags_NoMarkEdited;
flags |= ((data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) ? ImGuiInputTextFlags_CharsScientific : ImGuiInputTextFlags_CharsDecimal);
flags |= is_floating_point ? ImGuiInputTextFlags_CharsScientific : is_hexadecimal ? ImGuiInputTextFlags_CharsHexadecimal : ImGuiInputTextFlags_CharsDecimal;
bool value_changed = false;
if (TempInputText(bb, id, label, data_buf, IM_ARRAYSIZE(data_buf), flags))
{
@ -3349,7 +3372,7 @@ bool ImGui::TempInputScalar(const ImRect& bb, ImGuiID id, const char* label, ImG
memcpy(&data_backup, p_data, data_type_size);
// Apply new value (or operations) then clamp
DataTypeApplyFromText(data_buf, data_type, p_data, NULL);
DataTypeApplyFromText(data_buf, data_type, p_data, format);
if (p_clamp_min || p_clamp_max)
{
if (p_clamp_min && p_clamp_max && DataTypeCompare(data_type, p_clamp_min, p_clamp_max) > 0)