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Added RGBA color markers to ColorEdit3/ColorEdit4 + opt-in ImGuiSliderFlags_ColorMarkers for Drags/Sliders.

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+ Added ImGuiColorEditFlags_NoColorMarkers
+ Added style.ColorMarkerSize.
This commit is contained in:
ocornut
2025-12-05 16:29:15 +01:00
parent a7ecbcdeba
commit fa4b47c5e2
6 changed files with 66 additions and 9 deletions
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14
imgui.cpp
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@@ -1453,6 +1453,7 @@ ImGuiStyle::ImGuiStyle()
DragDropTargetRounding = 0.0f; // Radius of the drag and drop target frame.
DragDropTargetBorderSize = 2.0f; // Thickness of the drag and drop target border.
DragDropTargetPadding = 3.0f; // Size to expand the drag and drop target from actual target item size.
ColorMarkerSize = 3.0f; // Size of R/G/B/A color markers for ColorEdit4() and for Drags/Sliders when using ImGuiSliderFlags_ColorMarkers.
ColorButtonPosition = ImGuiDir_Right; // Side of the color button in the ColorEdit4 widget (left/right). Defaults to ImGuiDir_Right.
ButtonTextAlign = ImVec2(0.5f,0.5f);// Alignment of button text when button is larger than text.
SelectableTextAlign = ImVec2(0.0f,0.0f);// Alignment of selectable text. Defaults to (0.0f, 0.0f) (top-left aligned). It's generally important to keep this left-aligned if you want to lay multiple items on a same line.
@@ -1520,6 +1521,7 @@ void ImGuiStyle::ScaleAllSizes(float scale_factor)
DragDropTargetRounding = ImTrunc(DragDropTargetRounding * scale_factor);
DragDropTargetBorderSize = ImTrunc(DragDropTargetBorderSize * scale_factor);
DragDropTargetPadding = ImTrunc(DragDropTargetPadding * scale_factor);
ColorMarkerSize = ImTrunc(ColorMarkerSize * scale_factor);
SeparatorTextPadding = ImTrunc(SeparatorTextPadding * scale_factor);
DisplayWindowPadding = ImTrunc(DisplayWindowPadding * scale_factor);
DisplaySafeAreaPadding = ImTrunc(DisplaySafeAreaPadding * scale_factor);
@@ -3923,6 +3925,18 @@ void ImGui::RenderFrameBorder(ImVec2 p_min, ImVec2 p_max, float rounding)
}
}
// FIXME: Might move those to style if there is a real need.
static const ImU32 GColorMarkers[4] = { IM_COL32(240,20,20,255), IM_COL32(20,240,20,255), IM_COL32(20,20,240,255), IM_COL32(140,140,140,255) };
void ImGui::RenderColorComponentMarker(int component_idx, const ImRect& bb, float rounding)
{
if (!(component_idx >= 0 && component_idx < 4) || (bb.Min.x + 1 >= bb.Max.x))
return;
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
RenderRectFilledInRangeH(window->DrawList, bb, GetColorU32(GColorMarkers[component_idx]), bb.Min.x, ImMin(bb.Min.x + g.Style.ColorMarkerSize, bb.Max.x), rounding);
}
void ImGui::RenderNavCursor(const ImRect& bb, ImGuiID id, ImGuiNavRenderCursorFlags flags)
{
ImGuiContext& g = *GImGui;