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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.
features/potocpav-newer-lines-2
ocornut ago%!(EXTRA string=3 years)
parent f5c5926fb9
commit 508c9aaf60
5 changed files with 28 additions and 26 deletions
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  1. 1
      docs/CHANGELOG.txt
  2. 2
      imgui.h
  3. 2
      imgui_demo.cpp
  4. 2
      imgui_internal.h
  5. 47
      imgui_widgets.cpp

1
docs/CHANGELOG.txt
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@ -53,6 +53,7 @@ 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)
- 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 18713
#define IMGUI_VERSION_NUM 18714
#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_demo.cpp
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@ -1921,6 +1921,7 @@ static void ShowDemoWindowWidgets()
ImGui::DragFloat("DragFloat (-inf -> 1)", &drag_f, 0.005f, -FLT_MAX, 1.0f, "%.3f", flags);
ImGui::DragFloat("DragFloat (-inf -> +inf)", &drag_f, 0.005f, -FLT_MAX, +FLT_MAX, "%.3f", flags);
ImGui::DragInt("DragInt (0 -> 100)", &drag_i, 0.5f, 0, 100, "%d", flags);
ImGui::DragInt("DragInt (gex)", &drag_i, 0.5f, 0, 100, "0x%04X", flags);
// Sliders
static float slider_f = 0.5f;
@ -1928,6 +1929,7 @@ static void ShowDemoWindowWidgets()
ImGui::Text("Underlying float value: %f", slider_f);
ImGui::SliderFloat("SliderFloat (0 -> 1)", &slider_f, 0.0f, 1.0f, "%.3f", flags);
ImGui::SliderInt("SliderInt (0 -> 100)", &slider_i, 0, 100, "%d", flags);
ImGui::SliderInt("SliderInt (hex)", &slider_i, 0, 100, "0x%04X", flags);
ImGui::TreePop();
}

2
imgui_internal.h
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@ -2823,7 +2823,7 @@ namespace ImGui
template<typename T, typename SIGNED_T, typename FLOAT_T> IMGUI_API T ScaleValueFromRatioT(ImGuiDataType data_type, float t, T v_min, T v_max, bool is_logarithmic, float logarithmic_zero_epsilon, float zero_deadzone_size);
template<typename T, typename SIGNED_T, typename FLOAT_T> IMGUI_API bool DragBehaviorT(ImGuiDataType data_type, T* v, float v_speed, T v_min, T v_max, const char* format, ImGuiSliderFlags flags);
template<typename T, typename SIGNED_T, typename FLOAT_T> IMGUI_API bool SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, T* v, T v_min, T v_max, const char* format, ImGuiSliderFlags flags, ImRect* out_grab_bb);
template<typename T, typename SIGNED_T> IMGUI_API T RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, T v);
template<typename T> IMGUI_API T RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, T v);
template<typename T> IMGUI_API bool CheckboxFlagsT(const char* label, T* flags, T flags_value);
// Data type helpers

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)

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