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Data types: Fixed empty format string (or no % specifier) breaking the parsing back of values.

This commit is contained in:
omar 2018-05-04 21:02:26 +02:00
parent 3e8087458d
commit c5fb929555
1 changed files with 17 additions and 12 deletions
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29
imgui.cpp
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@ -8744,6 +8744,21 @@ static float GetMinimumStepAtDecimalPrecision(int decimal_precision)
return (decimal_precision >= 0 && decimal_precision < 10) ? min_steps[decimal_precision] : ImPow(10.0f, (float)-decimal_precision); return (decimal_precision >= 0 && decimal_precision < 10) ? min_steps[decimal_precision] : ImPow(10.0f, (float)-decimal_precision);
} }
template<typename TYPE, typename SIGNEDTYPE>
static inline TYPE RoundScalarWithFormat(const char* format, ImGuiDataType data_type, TYPE v)
{
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;
char v_str[64];
ImFormatString(v_str, IM_ARRAYSIZE(v_str), fmt_start, v);
if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
v = (TYPE)atof(v_str);
else
ImAtoi(v_str, (SIGNEDTYPE*)&v);
return v;
}
template<typename TYPE, typename FLOATTYPE> template<typename TYPE, typename FLOATTYPE>
static inline float SliderBehaviorCalcRatioFromValue(ImGuiDataType data_type, TYPE v, TYPE v_min, TYPE v_max, float power, float linear_zero_pos) static inline float SliderBehaviorCalcRatioFromValue(ImGuiDataType data_type, TYPE v, TYPE v_min, TYPE v_max, float power, float linear_zero_pos)
{ {
@ -8914,12 +8929,7 @@ static bool ImGui::SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType d
} }
// Round to user desired precision based on format string // Round to user desired precision based on format string
char v_str[64]; v_new = RoundScalarWithFormat<TYPE,SIGNEDTYPE>(format, data_type, v_new);
ImFormatString(v_str, IM_ARRAYSIZE(v_str), ImParseFormatFindStart(format), v_new);
if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
v_new = (TYPE)atof(v_str);
else
ImAtoi(v_str, (SIGNEDTYPE*)&v_new);
// Apply result // Apply result
if (*v != v_new) if (*v != v_new)
@ -9262,12 +9272,7 @@ static bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed
} }
// Round to user desired precision based on format string // Round to user desired precision based on format string
char v_str[64]; v_cur = RoundScalarWithFormat<TYPE, SIGNEDTYPE>(format, data_type, v_cur);
ImFormatString(v_str, IM_ARRAYSIZE(v_str), ImParseFormatFindStart(format), v_cur);
if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
v_cur = (TYPE)atof(v_str);
else
ImAtoi(v_str, (SIGNEDTYPE*)&v_cur);
// Preserve remainder after rounding has been applied. This also allow slow tweaking of values. // Preserve remainder after rounding has been applied. This also allow slow tweaking of values.
g.DragCurrentAccumDirty = false; g.DragCurrentAccumDirty = false;