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DragFloat: Fixed a situation where dragging with value rounding enabled or with a power curve erroneously wrapped the value to one of the min/max edge. (#2024, #708, #320, #2075).

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This commit is contained in:
omar 2018-09-11 10:55:52 +02:00
parent e2436ca625
commit af6cf25255
2 changed files with 11 additions and 8 deletions
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2
docs/CHANGELOG.txt
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@ -41,6 +41,8 @@ Other Changes:
accidental alteration of window position. We now round the provided size. (#2067)
- Nav, Focus: Fixed ImGuiWindowFlags_NoBringToFrontOnFocus windows not being restoring focus
properly after the main menu bar or last focused window is deactivated.
- DragFloat: Fixed a situation where dragging with value rounding enabled or with a power curve
erroneously wrapped the value to one of the min/max edge. (#2024, #708, #320, #2075).
-----------------------------------------------------------------------

17
imgui_widgets.cpp
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@ -1708,9 +1708,10 @@ template<typename TYPE, typename SIGNEDTYPE, typename FLOATTYPE>
bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const TYPE v_min, const TYPE v_max, const char* format, float power)
{
ImGuiContext& g = *GImGui;
const bool is_decimal = (data_type == ImGuiDataType_Float) || (data_type == ImGuiDataType_Double);
const bool has_min_max = (v_min != v_max) && (v_max - v_max < FLT_MAX);
// Default tweak speed
bool has_min_max = (v_min != v_max) && (v_max - v_max < FLT_MAX);
if (v_speed == 0.0f && has_min_max)
v_speed = (float)((v_max - v_min) * g.DragSpeedDefaultRatio);
@ -1720,14 +1721,14 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
{
adjust_delta = g.IO.MouseDelta.x;
if (g.IO.KeyAlt)
adjust_delta *= 1.0f/100.0f;
adjust_delta *= 1.0f / 100.0f;
if (g.IO.KeyShift)
adjust_delta *= 10.0f;
}
else if (g.ActiveIdSource == ImGuiInputSource_Nav)
{
int decimal_precision = (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) ? ImParseFormatPrecision(format, 3) : 0;
adjust_delta = GetNavInputAmount2d(ImGuiNavDirSourceFlags_Keyboard|ImGuiNavDirSourceFlags_PadDPad, ImGuiInputReadMode_RepeatFast, 1.0f/10.0f, 10.0f).x;
int decimal_precision = is_decimal ? ImParseFormatPrecision(format, 3) : 0;
adjust_delta = GetNavInputAmount2d(ImGuiNavDirSourceFlags_Keyboard | ImGuiNavDirSourceFlags_PadDPad, ImGuiInputReadMode_RepeatFast, 1.0f / 10.0f, 10.0f).x;
v_speed = ImMax(v_speed, GetMinimumStepAtDecimalPrecision(decimal_precision));
}
adjust_delta *= v_speed;
@ -1753,7 +1754,7 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
TYPE v_cur = *v;
FLOATTYPE v_old_ref_for_accum_remainder = (FLOATTYPE)0.0f;
const bool is_power = (power != 1.0f && (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) && has_min_max);
const bool is_power = (power != 1.0f && is_decimal && has_min_max);
if (is_power)
{
// 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
@ -1786,12 +1787,12 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
if (v_cur == (TYPE)-0)
v_cur = (TYPE)0;
// Clamp values (handle overflow/wrap-around)
// Clamp values (+ handle overflow/wrap-around for integer types)
if (*v != v_cur && has_min_max)
{
if (v_cur < v_min || (v_cur > *v && adjust_delta < 0.0f))
if (v_cur < v_min || (v_cur > *v && adjust_delta < 0.0f && !is_decimal))
v_cur = v_min;
if (v_cur > v_max || (v_cur < *v && adjust_delta > 0.0f))
if (v_cur > v_max || (v_cur < *v && adjust_delta > 0.0f && !is_decimal))
v_cur = v_max;
}