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ColorEdit4: Fixed a bug when text input or drag and drop leading to unsaturated HSL values would erroneously alter the resulting color. (#2050)

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This commit is contained in:
omar 2018-08-29 13:26:25 +02:00
parent f9634feb66
commit 2598d26c73
2 changed files with 12 additions and 4 deletions
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3
CHANGELOG.txt
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@ -75,7 +75,8 @@ Other Changes:
- Drag and Drop: Added ImGuiDragDropFlags_SourceAutoExpirePayload flag to force payload to expire if the source stops being submitted. (#1725, #143).
- IsItemHovered(): Added ImGuiHoveredFlags_AllowWhenDisabled flag to query hovered status on disabled items. (#1940, #211)
- Selectable: Added ImGuiSelectableFlags_Disabled flag in the public API. (#211)
- Misc; Added optional misc/stl/imgui_stl.h wrapper to use with STL types (e.g. InputText with std::string). (#2006, #1443, #1008)
- ColorEdit4: Fixed a bug when text input or drag and drop leading to unsaturated HSL values would erroneously alter the resulting color. (#2050)
- Misc: Added optional misc/stl/imgui_stl.h wrapper to use with STL types (e.g. InputText with std::string). (#2006, #1443, #1008)
- Misc: Added IMGUI_VERSION_NUM for easy compile-time testing. (#2025)
- Misc: Added ImGuiMouseCursor_Hand cursor enum + corresponding software cursor. (#1913, 1914) [@aiekick, @ocornut]
- Misc: Tweaked software mouse cursor offset to match the offset of the corresponding Windows 10 cursors.

13
imgui.cpp
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@ -12944,13 +12944,20 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
ColorConvertHSVtoRGB(H >= 1.0f ? H - 10 * 1e-6f : H, S > 0.0f ? S : 10*1e-6f, V > 0.0f ? V : 1e-6f, col[0], col[1], col[2]);
// R,G,B and H,S,V slider color editor
bool value_changed_fix_hue_wrap = false;
if ((flags & ImGuiColorEditFlags_NoInputs) == 0)
{
PushItemWidth((alpha_bar ? bar1_pos_x : bar0_pos_x) + bars_width - picker_pos.x);
ImGuiColorEditFlags sub_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_NoSmallPreview | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf;
ImGuiColorEditFlags sub_flags = (flags & sub_flags_to_forward) | ImGuiColorEditFlags_NoPicker;
if (flags & ImGuiColorEditFlags_RGB || (flags & ImGuiColorEditFlags__InputsMask) == 0)
value_changed |= ColorEdit4("##rgb", col, sub_flags | ImGuiColorEditFlags_RGB);
if (ColorEdit4("##rgb", col, sub_flags | ImGuiColorEditFlags_RGB))
{
// FIXME: Hackily differenciating using the DragInt (ActiveId != 0 && !ActiveIdAllowOverlap) vs. using the InputText or DropTarget.
// For the later we don't want to run the hue-wrap canceling code. If you are well versed in HSV picker please provide your input! (See #2050)
value_changed_fix_hue_wrap = (g.ActiveId != 0 && !g.ActiveIdAllowOverlap);
value_changed = true;
}
if (flags & ImGuiColorEditFlags_HSV || (flags & ImGuiColorEditFlags__InputsMask) == 0)
value_changed |= ColorEdit4("##hsv", col, sub_flags | ImGuiColorEditFlags_HSV);
if (flags & ImGuiColorEditFlags_HEX || (flags & ImGuiColorEditFlags__InputsMask) == 0)
@ -12958,8 +12965,8 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
PopItemWidth();
}
// Try to cancel hue wrap (after ColorEdit), if any
if (value_changed)
// Try to cancel hue wrap (after ColorEdit4 call), if any
if (value_changed_fix_hue_wrap)
{
float new_H, new_S, new_V;
ColorConvertRGBtoHSV(col[0], col[1], col[2], new_H, new_S, new_V);