MixiD/imgui-custom.cpp at master · TheOnlyJoey/MixiD · GitHub

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#include "imgui-custom.h"

namespace ImGui {

bool VFaderScalar(const char* label, const ImVec2& size, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format, ImGuiSliderFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);

    const ImVec2 label_size = CalcTextSize(label, NULL, true);
    ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + size);
    ImRect bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));

    ItemSize(bb, style.FramePadding.y);
    if (!ItemAdd(frame_bb, id))
        return false;

    // Default format string when passing NULL
    if (format == NULL)
        format = DataTypeGetInfo(data_type)->PrintFmt;

    const bool hovered = ItemHoverable(frame_bb, id, g.LastItemData.ItemFlags);
    const bool clicked = hovered && IsMouseClicked(0, ImGuiInputFlags_None, id);
    if (clicked || g.NavActivateId == id)
    {
        if (clicked)
            SetKeyOwner(ImGuiKey_MouseLeft, id);
        SetActiveID(id, window);
        SetFocusID(id, window);
        FocusWindow(window);
        g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Up) | (1 << ImGuiDir_Down);
    }

    // Draw frame
    //const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg);
    float contrast = 0.1;
    const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg, 1.0f + contrast);
    const ImU32 frame_col_after = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg, 1.0f - contrast);
    RenderNavCursor(frame_bb, id);
    //RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, g.Style.FrameRounding);

    // Slider behavior
    ImRect grab_bb;
    const bool value_changed = SliderBehavior(frame_bb, id, data_type, p_data, p_min, p_max, format, flags | ImGuiSliderFlags_Vertical, &grab_bb);
    if (value_changed)
        MarkItemEdited(id);

    float thickness = 0.4;
    ImRect draw_bb = frame_bb;
    if (thickness != 1.0f)
    {
        float shrink_amount = (float)(int)((frame_bb.Max.x - frame_bb.Min.x) * 0.5f * (1.0f - thickness));
        draw_bb.Min.x += shrink_amount;
        draw_bb.Max.x -= shrink_amount;
    }

    // Render track
    window->DrawList->AddRectFilled(ImVec2(draw_bb.Min.x, grab_bb.Max.y - (grab_bb.Max.y - grab_bb.Min.y) * 0.65f), draw_bb.Max, frame_col, style.FrameRounding, ImDrawFlags_RoundCornersBottom);
    window->DrawList->AddRectFilled(draw_bb.Min, ImVec2(draw_bb.Max.x, grab_bb.Min.y + (grab_bb.Max.y - grab_bb.Min.y) * 0.35f), frame_col_after, style.FrameRounding, ImDrawFlags_RoundCornersTop);

    // Render grab
    ImRect modgrab_bb = grab_bb;
    modgrab_bb.Min.y -= 20;
    modgrab_bb.Max.y += 20;
    grab_bb.Min.y += 4;
    grab_bb.Max.y -= 4;
    if (grab_bb.Max.y > grab_bb.Min.y) {
        window->DrawList->AddRectFilled(modgrab_bb.Min, modgrab_bb.Max, GetColorU32(ImVec4(0,0,0.1,255)), style.GrabRounding);
        window->DrawList->AddRectFilled(grab_bb.Min, grab_bb.Max, GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding);
    }

    // Display value using user-provided display format so user can add prefix/suffix/decorations to the value.
    // For the vertical slider we allow centered text to overlap the frame padding
    //char value_buf[64];
    //const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, p_data, format);
    //RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y), frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.0f));
    //if (label_size.x > 0.0f)
    //    RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);

    return value_changed;
}

bool VFaderFloat(const char* label, const ImVec2& size, float* v, float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return VFaderScalar(label, size, ImGuiDataType_Float, v, &v_min, &v_max, format, flags);
}

bool VFaderInt(const char* label, const ImVec2& size, int* v, int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return VFaderScalar(label, size, ImGuiDataType_S32, v, &v_min, &v_max, format, flags);
}

void StyleColorsMixiD(ImGuiStyle* dst)
{
    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
    ImVec4* colors = style->Colors;

    colors[ImGuiCol_Text]                   = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
    colors[ImGuiCol_TextDisabled]           = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
    colors[ImGuiCol_WindowBg]               = ImVec4(0.04f, 0.04f, 0.04f, 0.94f);
    colors[ImGuiCol_ChildBg]                = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
    colors[ImGuiCol_PopupBg]                = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
    colors[ImGuiCol_Border]                 = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
    colors[ImGuiCol_BorderShadow]           = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
    colors[ImGuiCol_FrameBg]                = ImVec4(0.29f, 0.29f, 0.29f, 0.54f);
    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.26f, 0.29f, 0.38f, 0.40f);
    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.26f, 0.29f, 0.48f, 0.67f);
    colors[ImGuiCol_TitleBg]                = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
    colors[ImGuiCol_CheckMark]              = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
    colors[ImGuiCol_SliderGrab]             = ImVec4(0.44f, 0.44f, 0.98f, 1.00f);
    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
    colors[ImGuiCol_Button]                 = ImVec4(0.18f, 0.18f, 0.18f, 0.40f);
    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.88f, 0.88f, 0.98f, 1.00f);
    colors[ImGuiCol_ButtonActive]           = ImVec4(0.78f, 0.78f, 0.78f, 1.00f);
    colors[ImGuiCol_Header]                 = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
    colors[ImGuiCol_HeaderActive]           = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
    colors[ImGuiCol_Separator]              = colors[ImGuiCol_Border];
    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
    colors[ImGuiCol_ResizeGrip]             = ImVec4(0.26f, 0.59f, 0.98f, 0.20f);
    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
    colors[ImGuiCol_ResizeGripActive]       = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
    colors[ImGuiCol_InputTextCursor]        = colors[ImGuiCol_Text];
    colors[ImGuiCol_TabHovered]             = colors[ImGuiCol_HeaderHovered];
    colors[ImGuiCol_Tab]                    = ImLerp(colors[ImGuiCol_Header],       colors[ImGuiCol_TitleBgActive], 0.80f);
    colors[ImGuiCol_TabSelected]            = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
    colors[ImGuiCol_TabSelectedOverline]    = colors[ImGuiCol_HeaderActive];
    colors[ImGuiCol_TabDimmed]              = ImLerp(colors[ImGuiCol_Tab],          colors[ImGuiCol_TitleBg], 0.80f);
    colors[ImGuiCol_TabDimmedSelected]      = ImLerp(colors[ImGuiCol_TabSelected],  colors[ImGuiCol_TitleBg], 0.40f);
    colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.50f, 0.50f, 0.50f, 0.00f);
    colors[ImGuiCol_PlotLines]              = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
    colors[ImGuiCol_TableHeaderBg]          = ImVec4(0.19f, 0.19f, 0.20f, 1.00f);
    colors[ImGuiCol_TableBorderStrong]      = ImVec4(0.31f, 0.31f, 0.35f, 1.00f);   // Prefer using Alpha=1.0 here
    colors[ImGuiCol_TableBorderLight]       = ImVec4(0.23f, 0.23f, 0.25f, 1.00f);   // Prefer using Alpha=1.0 here
    colors[ImGuiCol_TableRowBg]             = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
    colors[ImGuiCol_TableRowBgAlt]          = ImVec4(1.00f, 1.00f, 1.00f, 0.06f);
    colors[ImGuiCol_TextLink]               = colors[ImGuiCol_HeaderActive];
    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
    colors[ImGuiCol_TreeLines]              = colors[ImGuiCol_Border];
    colors[ImGuiCol_DragDropTarget]         = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
    colors[ImGuiCol_UnsavedMarker]          = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
    colors[ImGuiCol_NavCursor]              = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
    colors[ImGuiCol_NavWindowingHighlight]  = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
    colors[ImGuiCol_NavWindowingDimBg]      = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
    colors[ImGuiCol_ModalWindowDimBg]       = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
};
}