ImguiFloattingInfo.cpp

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/**
* @file ImguiGizmos.cpp.
* @brief The ImguiGizmos Class Implementation.
* @author Spices.
*/
 
#include "Pchheader.h"
#include "ImguiFloatingInfo.h"
 
#include "Systems/SlateSystem.h"
#include "World/World/World.h"
#include "World/Entity.h"
#include "Core/Library/ProcessLibrary.h"
 
namespace Spices {
 
    void ImguiFloatingInfo::OnRender()
    {
        SPICES_PROFILE_ZONE;
 
        const ImVec2 work_pos  = m_Owner->GetPanelPos();
        const ImVec2 work_size = m_Owner->GetPanelSize();
 
        ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(4.0f, 4.0f));
        ImGui::PushStyleColor(ImGuiCol_WindowBg, ImGui::GetStyleColorVec4(ImGuiCol_FrameBg));
 
        static int location = 1;
        const ImGuiIO& io = ImGui::GetIO();
        ImGuiWindowFlags window_flags =
            ImGuiWindowFlags_NoDecoration        |
            ImGuiWindowFlags_NoDocking           |
            ImGuiWindowFlags_AlwaysAutoResize    |
            ImGuiWindowFlags_NoSavedSettings     |
            ImGuiWindowFlags_NoFocusOnAppearing  |
            ImGuiWindowFlags_NoNav               |
            ImGuiWindowFlags_NoTitleBar;
 
        if (location >= 0)
        {
            const float PAD = ImGui::GetStyle().WindowPadding.x;
 
            ImVec2 window_pos, window_pos_pivot;
            window_pos.x = (location & 1) ? (work_pos.x + work_size.x - PAD) : (work_pos.x + PAD);
            window_pos.y = (location & 2) ? (work_pos.y + work_size.y - PAD) : (work_pos.y + PAD + ImGuiH::GetLineItemSize().x * 1.5f + 2.0f + ImGui::GetStyle().WindowPadding.y);
            window_pos_pivot.x = (location & 1) ? 1.0f : 0.0f;
            window_pos_pivot.y = (location & 2) ? 1.0f : 0.0f;
 
            ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot);
 
            window_flags |= ImGuiWindowFlags_NoMove;
        }
        else if (location == -2)
        {
            // Center window
            ImGui::SetNextWindowPos(work_pos + work_size * 0.5, ImGuiCond_Always, ImVec2(0.5f, 0.5f));
            window_flags |= ImGuiWindowFlags_NoMove;
        }
 
        ImGui::SetNextWindowBgAlpha(0.7f); // Transparent background
        bool open = true;
 
        std::stringstream ss;
        ss << m_Owner->GetName() << "_" << m_PanelName;
        if (ImGui::Begin(ss.str().c_str(), &open, window_flags))
        {
            ImGui::Text("FPS: %.2f | Frame time: %.2f ms", io.Framerate, 1000.0f / io.Framerate);
            ImGui::Text("ViewPort Size: ( %d, %d )", (int)work_size.x, (int)work_size.y);
 
            if (ImGui::IsMousePosValid())
            {
                ImGui::Text("Mouse Position: ( %d, %d )", (int)io.MousePos.x, (int)io.MousePos.y);
            }
            else
            {
                ImGui::Text("Mouse Position: <invalid>");
            }
 
            float size = ProcessLibrary::ProcessMemoryInUsed();
            ImGui::Text("Memory in Used: %.2f GB", size);
 
            if (ImGui::BeginPopupContextWindow())
            {
                if (ImGui::MenuItem("Custom",       NULL, location == -1)) location = -1;
                if (ImGui::MenuItem("Center",       NULL, location == -2)) location = -2;
                if (ImGui::MenuItem("Top-left",     NULL, location == 0))  location = 0;
                if (ImGui::MenuItem("Top-right",    NULL, location == 1))  location = 1;
                if (ImGui::MenuItem("Bottom-left",  NULL, location == 2))  location = 2;
                if (ImGui::MenuItem("Bottom-right", NULL, location == 3))  location = 3;
                if (open && ImGui::MenuItem("Close")) open = false;
                ImGui::EndPopup();
            }
        }
 
        ImGui::PopStyleColor();
        ImGui::PopStyleVar();
        ImGui::End();
    }
}