Method m_FlashableSelectable

ImGuiFileDialog.cpp:3560–3738

}

bool IGFD::KeyExplorerFeature::m_FlashableSelectable(const char* label, bool selected, ImGuiSelectableFlags flags, bool vFlashing, const ImVec2& size_arg) {
    using namespace ImGui;

    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems) return false;

    ImGuiContext& g         = *GImGui;
    const ImGuiStyle& style = g.Style;

    // Submit label or explicit size to ItemSize(), whereas ItemAdd() will submit a larger/spanning rectangle.
    ImGuiID id        = window->GetID(label);
    ImVec2 label_size = CalcTextSize(label, NULL, true);
    ImVec2 size(size_arg.x != 0.0f ? size_arg.x : label_size.x, size_arg.y != 0.0f ? size_arg.y : label_size.y);
    ImVec2 pos = window->DC.CursorPos;
    pos.y += window->DC.CurrLineTextBaseOffset;
    ItemSize(size, 0.0f);

    // Fill horizontal space
    // We don't support (size < 0.0f) in Selectable() because the ItemSpacing extension would make explicitly right-aligned sizes not visibly match other widgets.
    const bool span_all_columns = (flags & ImGuiSelectableFlags_SpanAllColumns) != 0;
    const float min_x           = span_all_columns ? window->ParentWorkRect.Min.x : pos.x;
    const float max_x           = span_all_columns ? window->ParentWorkRect.Max.x : window->WorkRect.Max.x;
    if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_SpanAvailWidth)) size.x = ImMax(label_size.x, max_x - min_x);

    // Text stays at the submission position, but bounding box may be extended on both sides
    const ImVec2 text_min = pos;
    const ImVec2 text_max(min_x + size.x, pos.y + size.y);

    // Selectables are meant to be tightly packed together with no click-gap, so we extend their box to cover spacing between selectable.
    // FIXME: Not part of layout so not included in clipper calculation, but ItemSize currenty doesn't allow offsetting CursorPos.
    ImRect bb(min_x, pos.y, text_max.x, text_max.y);
    if ((flags & ImGuiSelectableFlags_NoPadWithHalfSpacing) == 0) {
        const float spacing_x = span_all_columns ? 0.0f : style.ItemSpacing.x;
        const float spacing_y = style.ItemSpacing.y;
        const float spacing_L = IM_TRUNC(spacing_x * 0.50f);
        const float spacing_U = IM_TRUNC(spacing_y * 0.50f);
        bb.Min.x -= spacing_L;
        bb.Min.y -= spacing_U;
        bb.Max.x += (spacing_x - spacing_L);
        bb.Max.y += (spacing_y - spacing_U);
    }
    // if (g.IO.KeyCtrl) { GetForegroundDrawList()->AddRect(bb.Min, bb.Max, IM_COL32(0, 255, 0, 255)); }

    // Modify ClipRect for the ItemAdd(), faster than doing a PushColumnsBackground/PushTableBackgroundChannel for every Selectable..
    const float backup_clip_rect_min_x = window->ClipRect.Min.x;
    const float backup_clip_rect_max_x = window->ClipRect.Max.x;
    if (span_all_columns) {
        window->ClipRect.Min.x = window->ParentWorkRect.Min.x;
        window->ClipRect.Max.x = window->ParentWorkRect.Max.x;
    }

    const bool disabled_item = (flags & ImGuiSelectableFlags_Disabled) != 0;
    const bool is_visible    = ItemAdd(bb, id, NULL, disabled_item ? (ImGuiItemFlags)ImGuiItemFlags_Disabled : ImGuiItemFlags_None);

    if (span_all_columns) {
        window->ClipRect.Min.x = backup_clip_rect_min_x;
        window->ClipRect.Max.x = backup_clip_rect_max_x;
    }