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Internal: DragScalar(), InputScalar() now support signed/unsigned, 32/64 bits, float/double data types. (#320, #643, #708, #1011)
This commit is contained in:
omar
parent
93b8580a8d
commit
6c932479f2
@ -60,9 +60,10 @@ Other Changes:
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- InputFloat,InputFloat2,InputFloat3,InputFloat4: Added variations taking a more flexible and consistent optional "const char* format" parameter instead of "int decimal_precision".
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This allow using custom formats to display values in scientific notation, and is generally more consistent with other API. Obsoleted functions using the optional "int decimal_precision" parameter. (#648)
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- DragFloat, DragInt: Cancel mouse tweak when current value is initially past the min/max boundaries and mouse is pushing in the same direction (keyboard/gamepad version already did this).
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- DragFloat, DragInt: Honor natural type limits (e.g. INT_MAX, FLT_MAX) instead of wrapping around. (#708, #320)
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- DragFloat, SliderFloat: Fixes to allow input of scientific notation numbers when using CTRL+Click to input the value. (~#648, #1011)
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- DragFloat, SliderFloat: Rounding-on-write uses the provided format string instead of parsing the precision from the string, which allows for finer uses of %e %g etc. (#648, #642)
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- DragFloat: Improved computation when using the power curve. Reduced lost of input precision with small steps. Added an assert than power-curve requires a min/max range. (~#642)
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- DragFloat: Improved computation when using the power curve. Improved lost of input precision with very small steps. Added an assert than power-curve requires a min/max range. (~#642)
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- Nav: Fixed hovering a Selectable() with the mouse so that it update the navigation cursor (as it happened in the pre 1.60 navigation branch). (#787)
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- Style: Changed default style.DisplaySafeAreaPadding values from (4,4) to (3,3) so it is smaller than FramePadding and has no effect on main menu bar on a computer. (#1439)
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- Misc: Added IMGUI_CHECKVERSION() macro to compare version string and data structure sizes in order to catch issues with mismatching compilation unit settings. (#1695, #1769)
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@ -70,6 +71,7 @@ Other Changes:
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- Examples: Calling IMGUI_CHECKVERSION() in the main.cpp of every example application.
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- Examples: Allegro 5: Added support for 32-bit indices setup via defining ImDrawIdx, to avoid an unnecessary conversion (Allegro 5 doesn't support 16-bit indices).
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- Examples: Allegro 5: Renamed bindings from imgui_impl_a5.cpp to imgui_impl_allegro5.cpp.
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- Internal: DragScalar(), InputScalar() now support signed/unsigned, 32/64 bits, float/double data types. (#320, #643, #708, #1011)
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- Various minor fixes, tweaks, refactoring, comments.
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-----------------------------------------------------------------------
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208
imgui.cpp
208
imgui.cpp
@ -761,6 +761,10 @@ static void UpdateMovingWindow();
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static void UpdateMouseInputs();
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static void UpdateManualResize(ImGuiWindow* window, const ImVec2& size_auto_fit, int* border_held, int resize_grip_count, ImU32 resize_grip_col[4]);
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static void FocusFrontMostActiveWindow(ImGuiWindow* ignore_window);
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template<typename TYPE, typename SIGNEDTYPE, typename FLOATTYPE>
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static bool DragBehaviorT(ImGuiID id, ImGuiDataType data_type, TYPE* v, float v_speed, const TYPE v_min, const TYPE v_max, const char* format, float power);
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static bool DragBehavior(ImGuiID id, ImGuiDataType data_type, void* v, float v_speed, const void* v_min, const void* v_max, const char* format, float power);
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}
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//-----------------------------------------------------------------------------
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@ -1088,12 +1092,13 @@ void ImStrTrimBlanks(char* buf)
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buf[p - p_start] = 0; // Zero terminate
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}
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static const char* ImAtoi(const char* src, int* output)
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template<typename TYPE>
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static const char* ImAtoi(const char* src, TYPE* output)
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{
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int negative = 0;
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if (*src == '-') { negative = 1; src++; }
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if (*src == '+') { src++; }
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int v = 0;
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TYPE v = 0;
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while (*src >= '0' && *src <= '9')
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v = (v * 10) + (*src++ - '0');
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*output = negative ? -v : v;
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@ -8693,7 +8698,7 @@ int ImGui::ParseFormatPrecision(const char* fmt, int default_precision)
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int precision = INT_MAX;
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if (*fmt == '.')
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{
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fmt = ImAtoi(fmt + 1, &precision);
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fmt = ImAtoi<int>(fmt + 1, &precision);
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if (precision < 0 || precision > 99)
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precision = default_precision;
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}
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@ -9117,15 +9122,10 @@ bool ImGui::SliderInt4(const char* label, int v[4], int v_min, int v_max, const
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return SliderIntN(label, v, 4, v_min, v_max, format);
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}
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bool ImGui::DragBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v_speed, float v_min, float v_max, const char* format, float power)
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template<typename TYPE, typename SIGNEDTYPE, typename FLOATTYPE>
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static bool ImGui::DragBehaviorT(ImGuiID id, ImGuiDataType data_type, TYPE* v, float v_speed, const TYPE v_min, const TYPE v_max, const char* format, float power)
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{
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ImGuiContext& g = *GImGui;
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const ImGuiStyle& style = g.Style;
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// Draw frame
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const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg);
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RenderNavHighlight(frame_bb, id);
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RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, style.FrameRounding);
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// Process interacting with the drag
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if (g.ActiveId == id)
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@ -9139,10 +9139,11 @@ bool ImGui::DragBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v_s
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return false;
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// Default tweak speed
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if (v_speed == 0.0f && (v_max - v_min) != 0.0f && (v_max - v_min) < FLT_MAX)
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v_speed = (v_max - v_min) * g.DragSpeedDefaultRatio;
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bool has_min_max = (v_min != v_max) && (v_max - v_max < FLT_MAX);
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if (v_speed == 0.0f && has_min_max)
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v_speed = (float)((v_max - v_min) * g.DragSpeedDefaultRatio);
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// Inputs accumulate into g.DragCurrentAccum, which is flushed into the current value as soon as it makes a difference with our precision settings
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// Inputs accumulates into g.DragCurrentAccum, which is flushed into the current value as soon as it makes a difference with our precision settings
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float adjust_delta = 0.0f;
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if (g.ActiveIdSource == ImGuiInputSource_Mouse && IsMousePosValid() && g.IO.MouseDragMaxDistanceSqr[0] > 1.0f*1.0f)
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{
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@ -9163,7 +9164,7 @@ bool ImGui::DragBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v_s
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// Clear current value on activation
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// Avoid altering values and clamping when we are _already_ past the limits and heading in the same direction, so e.g. if range is 0..255, current value is 300 and we are pushing to the right side, keep the 300.
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bool is_just_activated = g.ActiveIdIsJustActivated;
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bool is_already_past_limits_and_pushing_outward = (v_min < v_max) && ((*v >= v_max && adjust_delta > 0.0f) || (*v <= v_min && adjust_delta < 0.0f));
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bool is_already_past_limits_and_pushing_outward = has_min_max && ((*v >= v_max && adjust_delta > 0.0f) || (*v <= v_min && adjust_delta < 0.0f));
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if (is_just_activated || is_already_past_limits_and_pushing_outward)
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{
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g.DragCurrentAccum = 0.0f;
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@ -9175,46 +9176,92 @@ bool ImGui::DragBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v_s
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g.DragCurrentAccumDirty = true;
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}
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bool value_changed = false;
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if (g.DragCurrentAccumDirty)
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if (!g.DragCurrentAccumDirty)
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return false;
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TYPE v_cur = *v;
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FLOATTYPE v_old_ref_for_accum_remainder = (FLOATTYPE)0.0f;
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const bool is_power = (power != 1.0f && (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) && has_min_max);
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if (is_power)
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{
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float v_cur = *v;
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if (power != 1.0f && v_min != v_max)
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{
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// Offset + round to user desired precision, with a curve on the v_min..v_max range to get more precision on one side of the range
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IM_ASSERT(v_min != v_max); // When using a power curve the drag needs to have known bounds
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float v_old_norm_curved = powf((v_cur - v_min) / (v_max - v_min), 1.0f / power);
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float v_new_norm_curved = v_old_norm_curved + (g.DragCurrentAccum / (v_max - v_min));
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v_cur = v_min + powf(ImSaturate(v_new_norm_curved), power) * (v_max - v_min);
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v_cur = RoundScalarWithFormat(format, v_cur);
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float v_cur_norm_curved = powf((v_cur - v_min) / (v_max - v_min), 1.0f / power);
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g.DragCurrentAccum -= (v_cur_norm_curved - v_old_norm_curved); // Preserve remainder
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}
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else
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{
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// Offset + round to user desired precision
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v_cur += g.DragCurrentAccum;
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v_cur = RoundScalarWithFormat(format, v_cur);
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g.DragCurrentAccum -= (v_cur - *v); // Preserve remainder
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}
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// Clamp
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if (*v != v_cur && v_min < v_max)
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v_cur = ImClamp(v_cur, v_min, v_max);
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// Apply result
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if (*v != v_cur)
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{
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*v = v_cur;
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value_changed = true;
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}
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g.DragCurrentAccumDirty = false;
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// Offset + round to user desired precision, with a curve on the v_min..v_max range to get more precision on one side of the range
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FLOATTYPE v_old_norm_curved = (FLOATTYPE)pow((FLOATTYPE)(v_cur - v_min) / (FLOATTYPE)(v_max - v_min), (FLOATTYPE)1.0f / power);
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FLOATTYPE v_new_norm_curved = v_old_norm_curved + (g.DragCurrentAccum / (v_max - v_min));
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v_cur = v_min + (TYPE)pow(ImSaturate((float)v_new_norm_curved), power) * (v_max - v_min);
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v_old_ref_for_accum_remainder = v_old_norm_curved;
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}
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else
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{
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v_cur += (TYPE)g.DragCurrentAccum;
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}
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return value_changed;
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// Round to user desired precision based on format string
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char v_str[64];
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ImFormatString(v_str, IM_ARRAYSIZE(v_str), ParseFormatTrimDecorationsLeading(format), v_cur);
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if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
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v_cur = (TYPE)atof(v_str);
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else
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ImAtoi(v_str, (SIGNEDTYPE*)&v_cur);
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// Preserve remainder after rounding has been applied. This also allow slow tweaking of values.
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g.DragCurrentAccumDirty = false;
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if (is_power)
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{
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FLOATTYPE v_cur_norm_curved = (FLOATTYPE)pow((FLOATTYPE)(v_cur - v_min) / (FLOATTYPE)(v_max - v_min), (FLOATTYPE)1.0f / power);
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g.DragCurrentAccum -= (float)(v_cur_norm_curved - v_old_ref_for_accum_remainder);
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}
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else
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{
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g.DragCurrentAccum -= (float)((SIGNEDTYPE)v_cur - (SIGNEDTYPE)*v);
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}
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// Lose zero sign for float/double
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if (v_cur == (TYPE)-0)
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v_cur = (TYPE)0;
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// Clamp values (handle overflow/wrap-around)
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if (*v != v_cur && has_min_max)
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{
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if (v_cur < v_min || (v_cur > *v && adjust_delta < 0.0f))
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v_cur = v_min;
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if (v_cur > v_max || (v_cur < *v && adjust_delta > 0.0f))
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v_cur = v_max;
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}
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// Apply result
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if (*v == v_cur)
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return false;
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*v = v_cur;
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return true;
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}
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bool ImGui::DragFloat(const char* label, float* v, float v_speed, float v_min, float v_max, const char* format, float power)
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static const ImS32 IM_S32_MIN = 0x80000000; // INT_MIN;
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static const ImS32 IM_S32_MAX = 0x7FFFFFFF; // INT_MAX;
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static const ImU32 IM_U32_MIN = 0;
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static const ImU32 IM_U32_MAX = 0xFFFFFFFF;
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static const ImS64 IM_S64_MIN = -9223372036854775807ll - 1ll;
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static const ImS64 IM_S64_MAX = 9223372036854775807ll;
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static const ImU64 IM_U64_MIN = 0;
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static const ImU64 IM_U64_MAX = 0xFFFFFFFFFFFFFFFFull;
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bool ImGui::DragBehavior(ImGuiID id, ImGuiDataType data_type, void* v, float v_speed, const void* v_min, const void* v_max, const char* format, float power)
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{
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switch (data_type)
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{
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case ImGuiDataType_S32: return DragBehaviorT<ImS32, ImS32, float >(id, data_type, (ImS32*)v, v_speed, v_min ? *(const ImS32* )v_min : IM_S32_MIN, v_max ? *(const ImS32* )v_max : IM_S32_MAX, format, power);
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case ImGuiDataType_U32: return DragBehaviorT<ImU32, ImS32, float >(id, data_type, (ImU32*)v, v_speed, v_min ? *(const ImU32* )v_min : IM_U32_MIN, v_max ? *(const ImU32* )v_max : IM_U32_MAX, format, power);
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case ImGuiDataType_S64: return DragBehaviorT<ImS64, ImS64, double>(id, data_type, (ImS64*)v, v_speed, v_min ? *(const ImS64* )v_min : IM_S64_MIN, v_max ? *(const ImS64* )v_max : IM_S64_MAX, format, power);
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case ImGuiDataType_U64: return DragBehaviorT<ImU64, ImS64, double>(id, data_type, (ImU64*)v, v_speed, v_min ? *(const ImU64* )v_min : IM_U64_MIN, v_max ? *(const ImU64* )v_max : IM_U64_MAX, format, power);
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case ImGuiDataType_Float: return DragBehaviorT<float, float, float >(id, data_type, (float*)v, v_speed, v_min ? *(const float* )v_min : -FLT_MAX, v_max ? *(const float* )v_max : FLT_MAX, format, power);
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case ImGuiDataType_Double: return DragBehaviorT<double,double,double>(id, data_type, (double*)v, v_speed, v_min ? *(const double*)v_min : -DBL_MAX, v_max ? *(const double*)v_max : DBL_MAX, format, power);
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case ImGuiDataType_COUNT: break;
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}
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IM_ASSERT(0);
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return false;
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}
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bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* v, float v_speed, const void* v_min, const void* v_max, const char* format, float power)
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{
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ImGuiWindow* window = GetCurrentWindow();
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if (window->SkipItems)
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@ -9260,16 +9307,21 @@ bool ImGui::DragFloat(const char* label, float* v, float v_speed, float v_min, f
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}
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}
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if (start_text_input || (g.ActiveId == id && g.ScalarAsInputTextId == id))
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return InputScalarAsWidgetReplacement(frame_bb, id, label, ImGuiDataType_Float, v, format);
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return InputScalarAsWidgetReplacement(frame_bb, id, label, data_type, v, format);
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// Actual drag behavior
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ItemSize(total_bb, style.FramePadding.y);
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const bool value_changed = DragBehavior(frame_bb, id, v, v_speed, v_min, v_max, format, power);
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const bool value_changed = DragBehavior(id, data_type, v, v_speed, v_min, v_max, format, power);
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// Draw frame
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const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg);
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RenderNavHighlight(frame_bb, id);
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RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, style.FrameRounding);
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// Display value using user-provided display format so user can add prefix/suffix/decorations to the value.
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char value_buf[64];
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const char* value_buf_end = value_buf + ImFormatString(value_buf, IM_ARRAYSIZE(value_buf), format, *v);
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RenderTextClipped(frame_bb.Min, frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f,0.5f));
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const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, v, format);
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RenderTextClipped(frame_bb.Min, frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.5f));
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if (label_size.x > 0.0f)
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RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, inner_bb.Min.y), label);
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@ -9277,7 +9329,7 @@ bool ImGui::DragFloat(const char* label, float* v, float v_speed, float v_min, f
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return value_changed;
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}
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bool ImGui::DragFloatN(const char* label, float* v, int components, float v_speed, float v_min, float v_max, const char* format, float power)
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bool ImGui::DragScalarN(const char* label, ImGuiDataType data_type, void* v, int components, float v_speed, const void* v_min, const void* v_max, const char* format, float power)
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{
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ImGuiWindow* window = GetCurrentWindow();
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if (window->SkipItems)
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@ -9288,13 +9340,15 @@ bool ImGui::DragFloatN(const char* label, float* v, int components, float v_spee
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BeginGroup();
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PushID(label);
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PushMultiItemsWidths(components);
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size_t type_size = GDataTypeInfo[data_type].Size;
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for (int i = 0; i < components; i++)
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{
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PushID(i);
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value_changed |= DragFloat("##v", &v[i], v_speed, v_min, v_max, format, power);
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value_changed |= DragScalar("##v", data_type, v, v_speed, v_min, v_max, format, power);
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SameLine(0, g.Style.ItemInnerSpacing.x);
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PopID();
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PopItemWidth();
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v = (void*)((char*)v + type_size);
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}
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PopID();
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@ -9304,19 +9358,24 @@ bool ImGui::DragFloatN(const char* label, float* v, int components, float v_spee
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return value_changed;
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}
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bool ImGui::DragFloat(const char* label, float* v, float v_speed, float v_min, float v_max, const char* format, float power)
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{
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return DragScalar(label, ImGuiDataType_Float, v, v_speed, &v_min, &v_max, format, power);
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}
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bool ImGui::DragFloat2(const char* label, float v[2], float v_speed, float v_min, float v_max, const char* format, float power)
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{
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return DragFloatN(label, v, 2, v_speed, v_min, v_max, format, power);
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return DragScalarN(label, ImGuiDataType_Float, v, 2, v_speed, &v_min, &v_max, format, power);
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}
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bool ImGui::DragFloat3(const char* label, float v[3], float v_speed, float v_min, float v_max, const char* format, float power)
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{
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return DragFloatN(label, v, 3, v_speed, v_min, v_max, format, power);
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return DragScalarN(label, ImGuiDataType_Float, v, 3, v_speed, &v_min, &v_max, format, power);
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}
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bool ImGui::DragFloat4(const char* label, float v[4], float v_speed, float v_min, float v_max, const char* format, float power)
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{
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return DragFloatN(label, v, 4, v_speed, v_min, v_max, format, power);
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return DragScalarN(label, ImGuiDataType_Float, v, 4, v_speed, &v_min, &v_max, format, power);
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}
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bool ImGui::DragFloatRange2(const char* label, float* v_current_min, float* v_current_max, float v_speed, float v_min, float v_max, const char* format, const char* format_max, float power)
|
||||
@ -9355,46 +9414,19 @@ bool ImGui::DragInt(const char* label, int* v, float v_speed, int v_min, int v_m
|
||||
return value_changed;
|
||||
}
|
||||
|
||||
bool ImGui::DragIntN(const char* label, int* v, int components, float v_speed, int v_min, int v_max, const char* format)
|
||||
{
|
||||
ImGuiWindow* window = GetCurrentWindow();
|
||||
if (window->SkipItems)
|
||||
return false;
|
||||
|
||||
ImGuiContext& g = *GImGui;
|
||||
bool value_changed = false;
|
||||
BeginGroup();
|
||||
PushID(label);
|
||||
PushMultiItemsWidths(components);
|
||||
for (int i = 0; i < components; i++)
|
||||
{
|
||||
PushID(i);
|
||||
value_changed |= DragInt("##v", &v[i], v_speed, v_min, v_max, format);
|
||||
SameLine(0, g.Style.ItemInnerSpacing.x);
|
||||
PopID();
|
||||
PopItemWidth();
|
||||
}
|
||||
PopID();
|
||||
|
||||
TextUnformatted(label, FindRenderedTextEnd(label));
|
||||
EndGroup();
|
||||
|
||||
return value_changed;
|
||||
}
|
||||
|
||||
bool ImGui::DragInt2(const char* label, int v[2], float v_speed, int v_min, int v_max, const char* format)
|
||||
{
|
||||
return DragIntN(label, v, 2, v_speed, v_min, v_max, format);
|
||||
return DragScalarN(label, ImGuiDataType_S32, v, 2, v_speed, &v_min, &v_max, format);
|
||||
}
|
||||
|
||||
bool ImGui::DragInt3(const char* label, int v[3], float v_speed, int v_min, int v_max, const char* format)
|
||||
{
|
||||
return DragIntN(label, v, 3, v_speed, v_min, v_max, format);
|
||||
return DragScalarN(label, ImGuiDataType_S32, v, 3, v_speed, &v_min, &v_max, format);
|
||||
}
|
||||
|
||||
bool ImGui::DragInt4(const char* label, int v[4], float v_speed, int v_min, int v_max, const char* format)
|
||||
{
|
||||
return DragIntN(label, v, 4, v_speed, v_min, v_max, format);
|
||||
return DragScalarN(label, ImGuiDataType_S32, v, 4, v_speed, &v_min, &v_max, format);
|
||||
}
|
||||
|
||||
bool ImGui::DragIntRange2(const char* label, int* v_current_min, int* v_current_max, float v_speed, int v_min, int v_max, const char* format, const char* format_max)
|
||||
|
||||
@ -1101,14 +1101,13 @@ namespace ImGui
|
||||
IMGUI_API bool SliderFloatN(const char* label, float* v, int components, float v_min, float v_max, const char* format, float power);
|
||||
IMGUI_API bool SliderIntN(const char* label, int* v, int components, int v_min, int v_max, const char* format);
|
||||
|
||||
IMGUI_API bool DragBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v_speed, float v_min, float v_max, const char* format, float power);
|
||||
IMGUI_API bool DragFloatN(const char* label, float* v, int components, float v_speed, float v_min, float v_max, const char* format, float power);
|
||||
IMGUI_API bool DragIntN(const char* label, int* v, int components, float v_speed, int v_min, int v_max, const char* format);
|
||||
IMGUI_API bool DragScalar(const char* label, ImGuiDataType data_type, void* v, float v_speed, const void* v_min, const void* v_max, const char* format, float power = 1.0f);
|
||||
IMGUI_API bool DragScalarN(const char* label, ImGuiDataType data_type, void* v, int components, float v_speed, const void* v_min, const void* v_max, const char* format, float power = 1.0f);
|
||||
|
||||
IMGUI_API bool InputScalar(const char* label, ImGuiDataType data_type, void* v, void* step_ptr, void* step_fast_ptr, const char* format, ImGuiInputTextFlags extra_flags = 0);
|
||||
IMGUI_API bool InputTextEx(const char* label, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
|
||||
IMGUI_API bool InputFloatN(const char* label, float* v, int components, const char* format, ImGuiInputTextFlags extra_flags);
|
||||
IMGUI_API bool InputIntN(const char* label, int* v, int components, ImGuiInputTextFlags extra_flags);
|
||||
IMGUI_API bool InputScalar(const char* label, ImGuiDataType data_type, void* data_ptr, void* step_ptr, void* step_fast_ptr, const char* format, ImGuiInputTextFlags extra_flags = 0);
|
||||
IMGUI_API bool InputScalarAsWidgetReplacement(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* data_ptr, const char* format);
|
||||
|
||||
IMGUI_API void ColorTooltip(const char* text, const float* col, ImGuiColorEditFlags flags);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user