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Stepped sliders

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This commit is contained in:
cropinghigh
2020-12-26 21:00:09 +03:00
parent db279d2b36
commit 153b58fbbd
3 changed files with 113 additions and 6 deletions
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1
core/src/imgui/imgui.h
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@ -481,6 +481,7 @@ namespace ImGui
// - CTRL+Click on any slider to turn them into an input box. Manually input values aren't clamped and can go off-bounds.
// - Adjust format string to decorate the value with a prefix, a suffix, or adapt the editing and display precision e.g. "%.3f" -> 1.234; "%5.2f secs" -> 01.23 secs; "Biscuit: %.0f" -> Biscuit: 1; etc.
IMGUI_API bool SliderFloat(const char* label, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f); // adjust format to decorate the value with a prefix or a suffix for in-slider labels or unit display. Use power!=1.0 for power curve sliders
IMGUI_API bool SliderFloatWithSteps(const char* label, float* v, float v_min, float v_max, float v_step, const char* display_format = "%.3f");
IMGUI_API bool SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* format = "%.3f", float power = 1.0f);
IMGUI_API bool SliderFloat3(const char* label, float v[3], float v_min, float v_max, const char* format = "%.3f", float power = 1.0f);
IMGUI_API bool SliderFloat4(const char* label, float v[4], float v_min, float v_max, const char* format = "%.3f", float power = 1.0f);

19
core/src/imgui/imgui_widgets.cpp
View File

@ -2702,6 +2702,25 @@ bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, c
return SliderScalar(label, ImGuiDataType_Float, v, &v_min, &v_max, format, power);
}
bool ImGui::SliderFloatWithSteps(const char* label, float* v, float v_min, float v_max, float v_step, const char* display_format)
{
if (!display_format)
display_format = "%.3f";
char text_buf[64] = {};
ImFormatString(text_buf, IM_ARRAYSIZE(text_buf), display_format, *v);
// Map from [v_min,v_max] to [0,N]
const int countValues = int((v_max-v_min)/v_step);
int v_i = int((*v - v_min)/v_step);
const bool value_changed = ImGui::SliderInt(label, &v_i, 0, countValues, text_buf);
// Remap from [0,N] to [v_min,v_max]
*v = v_min + float(v_i) * v_step;
return value_changed;
}
bool ImGui::SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* format, float power)
{
return SliderScalarN(label, ImGuiDataType_Float, v, 2, &v_min, &v_max, format, power);