XCEngine/editor/src/UI/ScalarControls.h

#pragma once

#include <imgui.h>

namespace XCEngine {
namespace Editor {
namespace UI {

inline bool DrawFloat(
    const char* label,
    float& value,
    float columnWidth = 100.0f,
    float dragSpeed = 0.1f,
    float min = 0.0f,
    float max = 0.0f,
    const char* format = "%.2f"
) {
    bool changed = false;
    ImGui::PushID(label);

    ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2{0, 1});
    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{4, 1});

    if (ImGui::BeginTable("##FloatTable", 2, ImGuiTableFlags_NoSavedSettings)) {
        ImGui::TableSetupColumn("##label", ImGuiTableColumnFlags_WidthFixed, columnWidth);
        ImGui::TableSetupColumn("##control", ImGuiTableColumnFlags_WidthStretch);

        ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetFontSize() + 2.0f);

        ImGui::TableNextColumn();
        ImGui::AlignTextToFramePadding();
        ImGui::Text(label);

        ImGui::TableNextColumn();

        if (max != min) {
            if (ImGui::SliderFloat("##value", &value, min, max, format)) {
                changed = true;
            }
        } else {
            if (ImGui::DragFloat("##value", &value, dragSpeed, min, max, format)) {
                changed = true;
            }
        }

        ImGui::EndTable();
    }

    ImGui::PopStyleVar(2);
    ImGui::PopID();

    return changed;
}

inline bool DrawInt(
    const char* label,
    int& value,
    float columnWidth = 100.0f,
    int step = 1,
    int min = 0,
    int max = 0
) {
    bool changed = false;
    ImGui::PushID(label);

    ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2{0, 1});
    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{4, 1});

    if (ImGui::BeginTable("##IntTable", 2, ImGuiTableFlags_NoSavedSettings)) {
        ImGui::TableSetupColumn("##label", ImGuiTableColumnFlags_WidthFixed, columnWidth);
        ImGui::TableSetupColumn("##control", ImGuiTableColumnFlags_WidthStretch);

        ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetFontSize() + 2.0f);

        ImGui::TableNextColumn();
        ImGui::AlignTextToFramePadding();
        ImGui::Text(label);

        ImGui::TableNextColumn();

        if (ImGui::DragInt("##value", &value, static_cast<float>(step), min, max)) {
            changed = true;
        }

        ImGui::EndTable();
    }

    ImGui::PopStyleVar(2);
    ImGui::PopID();

    return changed;
}

inline bool DrawBool(
    const char* label,
    bool& value,
    float columnWidth = 100.0f
) {
    bool changed = false;
    ImGui::PushID(label);

    ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2{0, 1});
    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{4, 1});

    if (ImGui::BeginTable("##BoolTable", 2, ImGuiTableFlags_NoSavedSettings)) {
        ImGui::TableSetupColumn("##label", ImGuiTableColumnFlags_WidthFixed, columnWidth);
        ImGui::TableSetupColumn("##control", ImGuiTableColumnFlags_WidthStretch);

        ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetFontSize() + 2.0f);

        ImGui::TableNextColumn();
        ImGui::AlignTextToFramePadding();
        ImGui::Text(label);

        ImGui::TableNextColumn();

        if (ImGui::Checkbox("##value", &value)) {
            changed = true;
        }

        ImGui::EndTable();
    }

    ImGui::PopStyleVar(2);
    ImGui::PopID();

    return changed;
}

inline bool DrawColor3(
    const char* label,
    float color[3],
    float columnWidth = 100.0f
) {
    bool changed = false;
    ImGui::PushID(label);

    ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2{0, 1});
    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{4, 1});

    if (ImGui::BeginTable("##Color3Table", 2, ImGuiTableFlags_NoSavedSettings)) {
        ImGui::TableSetupColumn("##label", ImGuiTableColumnFlags_WidthFixed, columnWidth);
        ImGui::TableSetupColumn("##control", ImGuiTableColumnFlags_WidthStretch);

        ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetFontSize() + 2.0f);

        ImGui::TableNextColumn();
        ImGui::AlignTextToFramePadding();
        ImGui::Text(label);

        ImGui::TableNextColumn();

        if (ImGui::ColorEdit3("##value", color, ImGuiColorEditFlags_NoInputs)) {
            changed = true;
        }

        ImGui::EndTable();
    }

    ImGui::PopStyleVar(2);
    ImGui::PopID();

    return changed;
}

inline bool DrawColor4(
    const char* label,
    float color[4],
    float columnWidth = 100.0f
) {
    bool changed = false;
    ImGui::PushID(label);

    ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2{0, 1});
    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{4, 1});

    if (ImGui::BeginTable("##Color4Table", 2, ImGuiTableFlags_NoSavedSettings)) {
        ImGui::TableSetupColumn("##label", ImGuiTableColumnFlags_WidthFixed, columnWidth);
        ImGui::TableSetupColumn("##control", ImGuiTableColumnFlags_WidthStretch);

        ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetFontSize() + 2.0f);

        ImGui::TableNextColumn();
        ImGui::AlignTextToFramePadding();
        ImGui::Text(label);

        ImGui::TableNextColumn();

        if (ImGui::ColorEdit4("##value", color, ImGuiColorEditFlags_NoInputs)) {
            changed = true;
        }

        ImGui::EndTable();
    }

    ImGui::PopStyleVar(2);
    ImGui::PopID();

    return changed;
}

inline bool DrawSliderFloat(
    const char* label,
    float& value,
    float min,
    float max,
    float columnWidth = 100.0f,
    const char* format = "%.2f"
) {
    bool changed = false;
    ImGui::PushID(label);

    ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2{0, 1});
    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{4, 1});

    if (ImGui::BeginTable("##SliderTable", 2, ImGuiTableFlags_NoSavedSettings)) {
        ImGui::TableSetupColumn("##label", ImGuiTableColumnFlags_WidthFixed, columnWidth);
        ImGui::TableSetupColumn("##control", ImGuiTableColumnFlags_WidthStretch);

        ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetFontSize() + 2.0f);

        ImGui::TableNextColumn();
        ImGui::AlignTextToFramePadding();
        ImGui::Text(label);

        ImGui::TableNextColumn();

        if (ImGui::SliderFloat("##value", &value, min, max, format)) {
            changed = true;
        }

        ImGui::EndTable();
    }

    ImGui::PopStyleVar(2);
    ImGui::PopID();

    return changed;
}

inline bool DrawSliderInt(
    const char* label,
    int& value,
    int min,
    int max,
    float columnWidth = 100.0f
) {
    bool changed = false;
    ImGui::PushID(label);

    ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2{0, 1});
    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{4, 1});

    if (ImGui::BeginTable("##SliderIntTable", 2, ImGuiTableFlags_NoSavedSettings)) {
        ImGui::TableSetupColumn("##label", ImGuiTableColumnFlags_WidthFixed, columnWidth);
        ImGui::TableSetupColumn("##control", ImGuiTableColumnFlags_WidthStretch);

        ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetFontSize() + 2.0f);

        ImGui::TableNextColumn();
        ImGui::AlignTextToFramePadding();
        ImGui::Text(label);

        ImGui::TableNextColumn();

        if (ImGui::SliderInt("##value", &value, min, max)) {
            changed = true;
        }

        ImGui::EndTable();
    }

    ImGui::PopStyleVar(2);
    ImGui::PopID();

    return changed;
}

inline int DrawCombo(
    const char* label,
    int currentItem,
    const char* const items[],
    int itemCount,
    float columnWidth = 100.0f,
    int heightInItems = -1
) {
    ImGui::PushID(label);

    ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2{0, 1});
    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2{4, 1});

    int changedItem = currentItem;

    if (ImGui::BeginTable("##ComboTable", 2, ImGuiTableFlags_NoSavedSettings)) {
        ImGui::TableSetupColumn("##label", ImGuiTableColumnFlags_WidthFixed, columnWidth);
        ImGui::TableSetupColumn("##control", ImGuiTableColumnFlags_WidthStretch);

        ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetFontSize() + 2.0f);

        ImGui::TableNextColumn();
        ImGui::AlignTextToFramePadding();
        ImGui::Text(label);

        ImGui::TableNextColumn();

        ImGui::SetNextItemWidth(-1);
        if (ImGui::Combo("##value", &currentItem, items, itemCount, heightInItems)) {
            changedItem = currentItem;
        }

        ImGui::EndTable();
    }

    ImGui::PopStyleVar(2);
    ImGui::PopID();

    return changedItem;
}

}
}
}