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Sliders, Drags: Fixed using hexadecimal display format strings (pretty much never worked). (#5165, #3133)

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Ditched unnecessary code. When transitioning from float in 3e8087458 we added an unnecessary path there, which evolved in c5fb92955.
This commit is contained in:
ocornut
2022-04-04 14:20:26 +02:00
parent f5c5926fb9
commit 508c9aaf60
5 changed files with 28 additions and 26 deletions
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47
imgui_widgets.cpp
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@ -2104,19 +2104,6 @@ static float GetMinimumStepAtDecimalPrecision(int decimal_precision)
return (decimal_precision < IM_ARRAYSIZE(min_steps)) ? min_steps[decimal_precision] : ImPow(10.0f, (float)-decimal_precision);
}
template<typename TYPE>
static const char* ImAtoi(const char* src, TYPE* output)
{
int negative = 0;
if (*src == '-') { negative = 1; src++; }
if (*src == '+') { src++; }
TYPE v = 0;
while (*src >= '0' && *src <= '9')
v = (v * 10) + (*src++ - '0');
*output = negative ? -v : v;
return src;
}
// 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.
@ -2134,9 +2121,10 @@ static void SanitizeFormatString(const char* fmt, char* fmt_out, size_t fmt_out_
*fmt_out = 0; // Zero-terminate
}
template<typename TYPE, typename SIGNEDTYPE>
template<typename TYPE>
TYPE ImGui::RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, TYPE v)
{
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
return v;
@ -2152,10 +2140,8 @@ TYPE ImGui::RoundScalarWithFormatT(const char* format, ImGuiDataType data_type,
const char* p = v_str;
while (*p == ' ')
p++;
if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
v = (TYPE)ImAtof(p);
else
ImAtoi(p, (SIGNEDTYPE*)&v);
v = (TYPE)ImAtof(p);
return v;
}
@ -2259,8 +2245,8 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
}
// Round to user desired precision based on format string
if (!(flags & ImGuiSliderFlags_NoRoundToFormat))
v_cur = RoundScalarWithFormatT<TYPE, SIGNEDTYPE>(format, data_type, v_cur);
if (is_floating_point && !(flags & ImGuiSliderFlags_NoRoundToFormat))
v_cur = RoundScalarWithFormatT<TYPE>(format, data_type, v_cur);
// Preserve remainder after rounding has been applied. This also allow slow tweaking of values.
g.DragCurrentAccumDirty = false;
@ -2856,8 +2842,8 @@ bool ImGui::SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_typ
// Calculate what our "new" clicked_t will be, and thus how far we actually moved the slider, and subtract this from the accumulator
TYPE v_new = ScaleValueFromRatioT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, clicked_t, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);
if (!(flags & ImGuiSliderFlags_NoRoundToFormat))
v_new = RoundScalarWithFormatT<TYPE, SIGNEDTYPE>(format, data_type, v_new);
if (is_floating_point && !(flags & ImGuiSliderFlags_NoRoundToFormat))
v_new = RoundScalarWithFormatT<TYPE>(format, data_type, v_new);
float new_clicked_t = ScaleRatioFromValueT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, v_new, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);
if (delta > 0)
@ -2875,8 +2861,8 @@ bool ImGui::SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_typ
TYPE v_new = ScaleValueFromRatioT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, clicked_t, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);
// Round to user desired precision based on format string
if (!(flags & ImGuiSliderFlags_NoRoundToFormat))
v_new = RoundScalarWithFormatT<TYPE, SIGNEDTYPE>(format, data_type, v_new);
if (is_floating_point && !(flags & ImGuiSliderFlags_NoRoundToFormat))
v_new = RoundScalarWithFormatT<TYPE>(format, data_type, v_new);
// Apply result
if (*v != v_new)
@ -3282,6 +3268,19 @@ const char* ImParseFormatTrimDecorations(const char* fmt, char* buf, size_t buf_
return buf;
}
template<typename TYPE>
static const char* ImAtoi(const char* src, TYPE* output)
{
int negative = 0;
if (*src == '-') { negative = 1; src++; }
if (*src == '+') { src++; }
TYPE v = 0;
while (*src >= '0' && *src <= '9')
v = (v * 10) + (*src++ - '0');
*output = negative ? -v : v;
return src;
}
// Parse display precision back from the display format string
// FIXME: This is still used by some navigation code path to infer a minimum tweak step, but we should aim to rework widgets so it isn't needed.
int ImParseFormatPrecision(const char* fmt, int default_precision)