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imgui 各类组件库

3576字约12分钟

2024-09-08

环境搭建

opengl 3 默认启动

// Dear ImGui: standalone example application for Win32 + OpenGL 3
#include "imgui.h"
#include "imgui_impl_opengl3.h"
#include "imgui_impl_win32.h"
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <GL/GL.h>
#include <tchar.h>

// Data stored per platform window
struct WGL_WindowData { HDC hDC; };

// Data
static HGLRC            g_hRC;
static WGL_WindowData   g_MainWindow;
static int              g_Width;
static int              g_Height;

// Forward declarations of helper functions
bool CreateDeviceWGL(HWND hWnd, WGL_WindowData* data);
void CleanupDeviceWGL(HWND hWnd, WGL_WindowData* data);
void ResetDeviceWGL();
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);

// Main code
int main(int, char**)
{
    // Create application window
    //ImGui_ImplWin32_EnableDpiAwareness();
    WNDCLASSEXW wc = { sizeof(wc), CS_OWNDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr };
    ::RegisterClassExW(&wc);
    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+OpenGL3 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr);

    // Initialize OpenGL
    if (!CreateDeviceWGL(hwnd, &g_MainWindow))
    {
        CleanupDeviceWGL(hwnd, &g_MainWindow);
        ::DestroyWindow(hwnd);
        ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
        return 1;
    }
    wglMakeCurrent(g_MainWindow.hDC, g_hRC);

    // Show the window
    ::ShowWindow(hwnd, SW_SHOWDEFAULT);
    ::UpdateWindow(hwnd);

    // Setup Dear ImGui context
    IMGUI_CHECKVERSION();
    ImGui::CreateContext();
    ImGuiIO& io = ImGui::GetIO(); (void)io;
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;   // Enable Keyboard Controls
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;    // Enable Gamepad Controls

    // Setup Dear ImGui style
    ImGui::StyleColorsDark();
    //ImGui::StyleColorsClassic();

    // Setup Platform/Renderer backends
    ImGui_ImplWin32_InitForOpenGL(hwnd);
    ImGui_ImplOpenGL3_Init();

    //io.Fonts->AddFontDefault();
    io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\Deng.ttf", 18.0f);
    io.Fonts->GetGlyphRangesChineseFull();
    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese());
    //IM_ASSERT(font != nullptr); 

    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);

    // Main loop
    bool done = false;
    while (!done)
    {
        // Poll and handle messages (inputs, window resize, etc.)
        // See the WndProc() function below for our to dispatch events to the Win32 backend.
        MSG msg;
        while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE))
        {
            ::TranslateMessage(&msg);
            ::DispatchMessage(&msg);
            if (msg.message == WM_QUIT)
                done = true;
        }
        if (done)
            break;
        if (::IsIconic(hwnd))
        {
            ::Sleep(10);
            continue;
        }

        // Start the Dear ImGui frame
        ImGui_ImplOpenGL3_NewFrame();
        ImGui_ImplWin32_NewFrame();
        ImGui::NewFrame();

        // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
        if (show_demo_window)
            ImGui::ShowDemoWindow(&show_demo_window);

        // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window.
        {
            static float f = 0.0f;
            static int counter = 0;

            ImGui::Begin("Hello, world!");                          // Create a window called "Hello, world!" and append into it.

            ImGui::Text("This is some useful text.");               // Display some text (you can use a format strings too)
            ImGui::Checkbox("Demo Window", &show_demo_window);      // Edit bools storing our window open/close state
            ImGui::Checkbox("Another Window", &show_another_window);

            ImGui::SliderFloat("float", &f, 0.0f, 1.0f);            // Edit 1 float using a slider from 0.0f to 1.0f
            ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color

            if (ImGui::Button("Button"))                            // Buttons return true when clicked (most widgets return true when edited/activated)
                counter++;
            ImGui::SameLine();
            ImGui::Text("counter = %d", counter);

            ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
            ImGui::End();
        }

        // 3. Show another simple window.
        if (show_another_window)
        {
            ImGui::Begin("Another Window", &show_another_window);   // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
            ImGui::Text("Hello from another window!");
            if (ImGui::Button("Close Me"))
                show_another_window = false;
            ImGui::End();
        }

        // Rendering
        ImGui::Render();
        glViewport(0, 0, g_Width, g_Height);
        glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
        glClear(GL_COLOR_BUFFER_BIT);
        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());

        // Present
        ::SwapBuffers(g_MainWindow.hDC);
    }

    ImGui_ImplOpenGL3_Shutdown();
    ImGui_ImplWin32_Shutdown();
    ImGui::DestroyContext();

    CleanupDeviceWGL(hwnd, &g_MainWindow);
    wglDeleteContext(g_hRC);
    ::DestroyWindow(hwnd);
    ::UnregisterClassW(wc.lpszClassName, wc.hInstance);

    return 0;
}

// Helper functions
bool CreateDeviceWGL(HWND hWnd, WGL_WindowData* data)
{
    HDC hDc = ::GetDC(hWnd);
    PIXELFORMATDESCRIPTOR pfd = { 0 };
    pfd.nSize = sizeof(pfd);
    pfd.nVersion = 1;
    pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
    pfd.iPixelType = PFD_TYPE_RGBA;
    pfd.cColorBits = 32;

    const int pf = ::ChoosePixelFormat(hDc, &pfd);
    if (pf == 0)
        return false;
    if (::SetPixelFormat(hDc, pf, &pfd) == FALSE)
        return false;
    ::ReleaseDC(hWnd, hDc);

    data->hDC = ::GetDC(hWnd);
    if (!g_hRC)
        g_hRC = wglCreateContext(data->hDC);
    return true;
}

void CleanupDeviceWGL(HWND hWnd, WGL_WindowData* data)
{
    wglMakeCurrent(nullptr, nullptr);
    ::ReleaseDC(hWnd, data->hDC);
}

// Forward declare message handler from imgui_impl_win32.cpp
extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);

// Win32 message handler
// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data.
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam))
        return true;

    switch (msg)
    {
    case WM_SIZE:
        if (wParam != SIZE_MINIMIZED)
        {
            g_Width = LOWORD(lParam);
            g_Height = HIWORD(lParam);
        }
        return 0;
    case WM_SYSCOMMAND:
        if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu
            return 0;
        break;
    case WM_DESTROY:
        ::PostQuitMessage(0);
        return 0;
    }
    return ::DefWindowProcW(hWnd, msg, wParam, lParam);
}

实用代码

一些有一定参考价值的代码

面板菜单栏（1）

硬编码实现

#include "../include/imgui/imgui.h"
#include "../include/imgui/imgui_internal.h"

// 定义面板状态
enum PanelState
{
    None,
    Authorization,
    Data,
    Customization,
    Features
};

// 定义主题数量
const int THEME_COUNT = 2;
const char *themes[THEME_COUNT] = {"Theme 1", "Theme 2"};

// 全局变量
int curButton = 0;
int curTheme = 0;
char buf[128] = "";
bool opened = true;

// 显示授权窗口
void ShowAuthorizationWindow()
{
    ImGui::BeginChild("AuthorizationWindow", ImVec2(440, 350), false); // 添加边框和背景
    ImGui::SetCursorPos(ImVec2(150, 16));
    ImGui::Text("   Authorization");
    ImGui::SetCursorPos(ImVec2(150, 38));
    ImGui::Text("  Enter your key");
    ImGui::SetCursorPos(ImVec2(19, 60));
    ImGui::InputText("###Key", buf, IM_ARRAYSIZE(buf));
    ImGui::SetCursorPos(ImVec2(125, 95));
    if (ImGui::Button("Sign in", ImVec2(165, 40)))
    {
        // 处理登录逻辑
    }
    ImGui::SetCursorPos(ImVec2(120, 200));
    ImGui::Text("   Subscribe Expire Day");
    ImGui::EndChild();
}

// 显示数据窗口
void ShowDataWindow()
{
    ImGui::BeginChild("DataWindow", ImVec2(440, 388), true); // 添加边框和背景
    ImGui::SetCursorPos(ImVec2(148, 10));
    ImGui::Text("   Welcome User.");
    ImGui::SetCursorPos(ImVec2(150, 28));
    ImGui::Text("     DashBoard:");
    ImGui::GetWindowDrawList()->AddRectFilled(ImVec2(200, 90), ImVec2(518, 206), IM_COL32(255, 0, 0, 40));
    ImGui::SetCursorPos(ImVec2(0, 60));
    ImGui::Text("                    -          Added 1tick doubletap.");
    ImGui::Text("                    -          Added Neverlose resolver.");
    ImGui::Text("                    -          Added Nemesis fakelag.");
    ImGui::Text("                    -          Added gamesense api.");
    ImGui::SetCursorPos(ImVec2(0, 180));
    ImGui::Text("    Cheat: Simplicity External / Game: CS:GO / Version: 1.0");
    ImGui::EndChild();
}

// 显示自定义窗口
void ShowCustomizationWindow()
{
    ImGui::BeginChild("CustomizableWindow", ImVec2(440, 388), true); // 添加边框和背景
    ImGui::SetCursorPos(ImVec2(120, 16));
    ImGui::Text("    Menu Customization");
    ImGui::SetCursorPos(ImVec2(16, 38));
    ImGui::Combo("Menu Theme", &curTheme, themes, THEME_COUNT);
    ImGui::EndChild();
}

// 显示功能窗口
void ShowFeaturesWindow()
{
    ImGui::BeginChild("FeaturesWindow", ImVec2(440, 388), true); // 添加边框和背景
    ImGui::Text("   Features content goes here.");
    ImGui::EndChild();
}

// 显示主窗口
void ShowMainWindow()
{
    ImGui::SetNextWindowSize(ImVec2(450, 350), ImGuiCond_FirstUseEver);
    ImGui::Begin("Simplicity.cc Loader", &opened, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);

    // TODO: 左侧按钮
    ImGui::BeginChild("TabsBar", ImVec2(150, 350), true); // 添加边框和背景
    if (ImGui::Button("Authorization", ImVec2(130, 42)))
        curButton = 1;
    if (ImGui::Button("Data", ImVec2(130, 42)))
        curButton = 4;
    if (ImGui::Button("Customization", ImVec2(130, 42)))
        curButton = 2;
    if (ImGui::Button("Features", ImVec2(130, 42)))
        curButton = 3;
    ImGui::EndChild();

    // TODO: 右侧内容
    ImGui::SameLine();                                        // 使右侧内容与左侧按钮在同一行
    ImGui::BeginChild("ContentArea", ImVec2(450, 350), true); // 添加边框和背景

    // 自定义背景
    ImGui::GetWindowDrawList()->AddRectFilled(ImGui::GetWindowPos(), ImVec2(ImGui::GetWindowPos().x + 440, ImGui::GetWindowPos().y + 450), IM_COL32(24, 24, 26, 255));

    switch (curButton)
    {
    case 1:
        ShowAuthorizationWindow();
        break;
    case 4:
        ShowDataWindow();
        break;
    case 2:
        ShowCustomizationWindow();
        break;
    case 3:
        ShowFeaturesWindow();
        break;
    default:
        break;
    }

    ImGui::EndChild();
    ImGui::End();
}

面板菜单栏(2)-配置化

第二阶段

#include "../include/imgui/imgui.h"
#include "../include/imgui/imgui_internal.h"

// 定义面板状态
enum PanelState
{
    None,
    Authorization,
    Data,
    Customization,
    Features
};

// 定义主题数量
const int THEME_COUNT = 2;
const char *themes[THEME_COUNT] = {"Theme 1", "Theme 2"};

// 全局变量
int curButton = 0;
int curTheme = 0;
char buf[128] = "";
bool opened = true;

// 边框配置结构体
struct BorderConfig {
    bool show = false;          // 是否显示边框
    float radius = 0.0f;       // 圆角半径
    ImU32 color = IM_COL32(255, 255, 255, 255); // 边框颜色
};

// 窗口配置结构体
struct WindowConfig {
    ImVec2 mainWindowSize = ImVec2(600, 450);     // 主窗口大小
    ImVec2 tabsSize = ImVec2(150, 450);            // 标签栏大小
    ImVec2 contentSize = ImVec2(450, 450);         // 右侧内容区域大小
    BorderConfig mainBorder;                         // 主窗口边框配置
    BorderConfig tabsBorder;                         // 标签栏边框配置
    BorderConfig contentBorder;                      // 内容区域边框配置
};

// 全局配置
WindowConfig config;

// 绘制带圆角的边框
void DrawRoundedBorder(const ImVec2& pos, const ImVec2& size, float radius, ImU32 color)
{
    ImGui::GetWindowDrawList()->AddRect(pos, ImVec2(pos.x + size.x, pos.y + size.y), color, radius);
}

// 显示授权窗口
void ShowAuthorizationWindow()
{
    ImGui::BeginChild("AuthorizationWindow", ImVec2(440, 350), config.contentBorder.show); // 添加边框和背景
    ImGui::SetCursorPos(ImVec2(150, 16));
    ImGui::Text("   Authorization");
    ImGui::SetCursorPos(ImVec2(150, 38));
    ImGui::Text("  Enter your key");
    ImGui::SetCursorPos(ImVec2(19, 60));
    ImGui::InputText("###Key", buf, IM_ARRAYSIZE(buf));
    ImGui::SetCursorPos(ImVec2(125, 95));
    if (ImGui::Button("Sign in", ImVec2(165, 40)))
    {
        // 处理登录逻辑
    }
    ImGui::SetCursorPos(ImVec2(120, 200));
    ImGui::Text("   Subscribe Expire Day");
    ImGui::EndChild();
}

// 显示数据窗口
void ShowDataWindow()
{
    ImGui::BeginChild("DataWindow", ImVec2(440, 388), config.contentBorder.show); // 添加边框和背景
    ImGui::SetCursorPos(ImVec2(148, 10));
    ImGui::Text("   Welcome User.");
    ImGui::SetCursorPos(ImVec2(150, 28));
    ImGui::Text("     DashBoard:");
    ImGui::GetWindowDrawList()->AddRectFilled(ImVec2(200, 90), ImVec2(518, 206), IM_COL32(255, 0, 0, 40));
    ImGui::SetCursorPos(ImVec2(0, 60));
    ImGui::Text("                    -          Added 1tick doubletap.");
    ImGui::Text("                    -          Added Neverlose resolver.");
    ImGui::Text("                    -          Added Nemesis fakelag.");
    ImGui::Text("                    -          Added gamesense api.");
    ImGui::SetCursorPos(ImVec2(0, 180));
    ImGui::Text("    Cheat: Simplicity External / Game: CS:GO / Version: 1.0");
    ImGui::EndChild();
}

// 显示自定义窗口
void ShowCustomizationWindow()
{
    ImGui::BeginChild("CustomizableWindow", ImVec2(440, 388), config.contentBorder.show); // 添加边框和背景
    ImGui::SetCursorPos(ImVec2(120, 16));
    ImGui::Text("    Menu Customization");
    ImGui::SetCursorPos(ImVec2(16, 38));
    ImGui::Combo("Menu Theme", &curTheme, themes, THEME_COUNT);
    ImGui::EndChild();
}

// 显示功能窗口
void ShowFeaturesWindow()
{
    ImGui::BeginChild("FeaturesWindow", ImVec2(440, 388), config.contentBorder.show); // 添加边框和背景
    ImGui::Text("   Features content goes here.");
    ImGui::EndChild();
}

// 显示主窗口
void ShowMainWindow()
{
    ImGui::SetNextWindowSize(config.mainWindowSize, ImGuiCond_FirstUseEver);
    ImGui::Begin("Simplicity.cc Loader", &opened, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);

    // 绘制主窗口边框
    if (config.mainBorder.show)
        DrawRoundedBorder(ImGui::GetWindowPos(), config.mainWindowSize, config.mainBorder.radius, config.mainBorder.color);

    // 左侧按钮
    ImGui::BeginChild("TabsBar", config.tabsSize, config.tabsBorder.show); // 添加边框和背景
    // 绘制标签栏边框
    if (config.tabsBorder.show)
        DrawRoundedBorder(ImGui::GetCursorScreenPos(), config.tabsSize, config.tabsBorder.radius, config.tabsBorder.color);

    if (ImGui::Button("Authorization", ImVec2(130, 42))) curButton = 1;
    if (ImGui::Button("Data", ImVec2(130, 42))) curButton = 4;
    if (ImGui::Button("Customization", ImVec2(130, 42))) curButton = 2;
    if (ImGui::Button("Features", ImVec2(130, 42))) curButton = 3;
    ImGui::EndChild();

    ImGui::SameLine(); // 使右侧内容与左侧按钮在同一行
    ImGui::BeginChild("ContentArea", config.contentSize, config.contentBorder.show); // 添加边框和背景

    // 绘制内容区域边框
    if (config.contentBorder.show)
        DrawRoundedBorder(ImGui::GetCursorScreenPos(), config.contentSize, config.contentBorder.radius, config.contentBorder.color);

    // 自定义背景
    ImGui::GetWindowDrawList()->AddRectFilled(ImGui::GetWindowPos(), 
        ImVec2(ImGui::GetWindowPos().x + config.contentSize.x, ImGui::GetWindowPos().y + config.contentSize.y), 
        IM_COL32(24, 24, 26, 255));

    switch (curButton)
    {
    case 1:
        ShowAuthorizationWindow();
        break;
    case 4:
        ShowDataWindow();
        break;
    case 2:
        ShowCustomizationWindow();
        break;
    case 3:
        ShowFeaturesWindow();
        break;
    default:
        break;
    }

    ImGui::EndChild();
    ImGui::End();
}

面板(3)

增加圆角和边框细致控制

#include <iostream>
#include <cstdlib>
#include "../include/imgui/imgui.h"
#include "../include/imgui/imgui_internal.h"

// 定义面板状态
enum PanelState
{
    None,
    Authorization,
    Data,
    Customization,
    Features
};

// 定义主题数量
const int THEME_COUNT = 2;
const char *themes[THEME_COUNT] = {"Theme 1", "Theme 2"};

// 全局变量
int curButton = 0;
int curTheme = 0;
char buf[128] = "";
bool opened = true;

// 边框配置结构体
struct BorderConfig
{
    bool show = true;                           // 是否显示边框
    float radius = 5.0f;                        // 圆角半径
    ImU32 color = IM_COL32(255, 255, 255, 255); // 边框颜色

    // 默认构造函数
    BorderConfig(bool show = true, float radius = 5.0f, ImU32 color = IM_COL32(255, 255, 255, 255))
        : show(show), radius(radius), color(color) {}
};

// 窗口配置结构体
struct WindowConfig
{
    ImVec2 mainWindowSize = ImVec2(600, 450); // 主窗口大小
    ImVec2 tabsSize = ImVec2(150, 400);       // 标签栏大小
    ImVec2 contentSize = ImVec2(420, 400);    // 调整内容区域大小，减少50像素

    // 直接指定默认值
    BorderConfig mainBorder = {false, 5.0f, IM_COL32(255, 0, 0, 255)};    // 主窗口边框配置
    BorderConfig tabsBorder = {true, 5.0f};                               // 标签栏边框配置
    BorderConfig contentBorder = {false, 5.0f, IM_COL32(0, 0, 255, 255)}; // 内容区域边框配置

    // 默认构造函数
    WindowConfig() {}
};

// 全局配置
WindowConfig config;

// 绘制带圆角的边框
void DrawRoundedBorder(const ImVec2 &pos, const ImVec2 &size, float radius, ImU32 color)
{
    ImGui::GetWindowDrawList()->AddRect(pos, ImVec2(pos.x + size.x, pos.y + size.y), radius);
}

// 显示授权窗口
void ShowAuthorizationWindow()
{
    ImGui::BeginChild("AuthorizationWindow", ImVec2(config.contentSize.x - 20, config.contentSize.y - 20), config.contentBorder.show); // 使用配置的内容区域大小
    ImGui::SetCursorPos(ImVec2(150, 16));
    ImGui::Text("   Authorization");
    ImGui::SetCursorPos(ImVec2(150, 38));
    ImGui::Text("  Enter your key");
    ImGui::SetCursorPos(ImVec2(19, 60));
    ImGui::InputText("###Key", buf, IM_ARRAYSIZE(buf));
    ImGui::SetCursorPos(ImVec2(125, 95));
    if (ImGui::Button("Sign in", ImVec2(165, 40)))
    {
        // 处理登录逻辑
    }
    ImGui::SetCursorPos(ImVec2(120, 200));
    ImGui::Text("   Subscribe Expire Day");
    ImGui::EndChild();
}

// 显示数据窗口
void ShowDataWindow()
{
    ImGui::BeginChild("DataWindow", ImVec2(config.contentSize.x - 20, config.contentSize.y - 20), config.contentBorder.show); // 使用配置的内容区域大小
    ImGui::SetCursorPos(ImVec2(148, 10));
    ImGui::Text("   Welcome User.");
    ImGui::SetCursorPos(ImVec2(150, 28));
    ImGui::Text("     DashBoard:");
    ImGui::GetWindowDrawList()->AddRectFilled(ImVec2(200, 90), ImVec2(518, 206), IM_COL32(255, 0, 0, 40));
    ImGui::SetCursorPos(ImVec2(0, 60));
    ImGui::Text("                    -          Added 1tick doubletap.");
    ImGui::Text("                    -          Added Neverlose resolver.");
    ImGui::Text("                    -          Added Nemesis fakelag.");
    ImGui::Text("                    -          Added gamesense api.");
    ImGui::SetCursorPos(ImVec2(0, 180));
    ImGui::Text("    Cheat: Simplicity External / Game: CS:GO / Version: 1.0");
    ImGui::EndChild();
}

// 显示自定义窗口
void ShowCustomizationWindow()
{
    ImGui::BeginChild("CustomizableWindow", ImVec2(config.contentSize.x - 20, config.contentSize.y - 20), config.contentBorder.show); // 使用配置的内容区域大小
    ImGui::SetCursorPos(ImVec2(120, 16));
    ImGui::Text("    Menu Customization");
    ImGui::SetCursorPos(ImVec2(16, 38));
    ImGui::Combo("Menu Theme", &curTheme, themes, THEME_COUNT);
    ImGui::EndChild();
}

// 显示功能窗口
void ShowFeaturesWindow()
{
    ImGui::BeginChild("FeaturesWindow", ImVec2(config.contentSize.x - 20, config.contentSize.y - 20), config.contentBorder.show); // 使用配置的内容区域大小
    ImGui::Text("   Features content goes here.");
    ImGui::EndChild();
}

// 显示主窗口
void ShowMainWindow()
{
    ImGui::SetNextWindowSize(config.mainWindowSize, ImGuiCond_FirstUseEver);
    ImGui::Begin("Simplicity.cc Loader", &opened, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);

    // 绘制主窗口边框
    if (config.mainBorder.show)
        DrawRoundedBorder(ImGui::GetWindowPos(), config.mainWindowSize, config.mainBorder.radius, config.mainBorder.color);

    // 左侧按钮
    ImGui::BeginChild("TabsBar", config.tabsSize, config.tabsBorder.show); // 使用配置的标签栏大小
    // 绘制标签栏边框
    if (config.tabsBorder.show)
        DrawRoundedBorder(ImGui::GetCursorScreenPos(), config.tabsSize, config.tabsBorder.radius, config.tabsBorder.color);

    if (ImGui::Button("Authorization", ImVec2(130, 42)))
        curButton = 1;
    if (ImGui::Button("Data", ImVec2(130, 42)))
        curButton = 4;
    if (ImGui::Button("Customization", ImVec2(130, 42)))
        curButton = 2;
    if (ImGui::Button("Features", ImVec2(130, 42)))
        curButton = 3;
    ImGui::EndChild();

    ImGui::SameLine();                                                               // 使右侧内容与左侧按钮在同一行
    ImGui::BeginChild("ContentArea", config.contentSize, config.contentBorder.show); // 使用配置的内容区域大小

    // 绘制内容区域边框
    if (config.contentBorder.show)
        DrawRoundedBorder(ImGui::GetCursorScreenPos(), config.contentSize, config.contentBorder.radius, config.contentBorder.color);

    // 自定义背景
    ImGui::GetWindowDrawList()->AddRectFilled(ImGui::GetWindowPos(),
                                              ImVec2(ImGui::GetWindowPos().x + config.contentSize.x, ImGui::GetWindowPos().y + config.contentSize.y),
                                              IM_COL32(24, 24, 26, 255));

    switch (curButton)
    {
    case 1:
        ShowAuthorizationWindow();
        break;
    case 4:
        ShowDataWindow();
        break;
    case 2:
        ShowCustomizationWindow();
        break;
    case 3:
        ShowFeaturesWindow();
        break;
    default:
        break;
    }

    ImGui::EndChild();
    ImGui::End();
}

面板(4) 工厂模式

#include <iostream>
#include <cstdlib>
#include <vector>
#include "../include/imgui/imgui.h"
#include "../include/imgui/imgui_internal.h"

// 定义面板状态
enum PanelState
{
    None,
    Authorization,
    Data,
    Customization,
    Features
};

// 定义主题数量
const int THEME_COUNT = 2;
const char *themes[THEME_COUNT] = {"Theme 1", "Theme 2"};

// 边框配置结构体
struct BorderConfig
{
    bool show = true;
    float radius = 5.0f;
    ImU32 color = IM_COL32(255, 255, 255, 255);
    // 默认构造函数
    BorderConfig() : show(true), radius(5.0f), color(IM_COL32(255, 255, 255, 255)) {}

    // 带参数的构造函数
    BorderConfig(bool show, float radius, ImU32 color) : show(show), radius(radius), color(color) {}
};

// 窗口配置结构体
struct WindowConfig
{
    ImVec2 mainWindowSize = ImVec2(600, 450);
    ImVec2 tabsSize = ImVec2(150, 400);
    ImVec2 contentSize = ImVec2(420, 400);
    BorderConfig mainBorder = {false, 5.0f, IM_COL32(255, 0, 0, 255)};
    BorderConfig tabsBorder = {true, 5.0f, IM_COL32(255, 255, 255, 255)};
    BorderConfig contentBorder = {false, 5.0f, IM_COL32(0, 0, 255, 255)};
};

// 全局变量
int curButton = 0;
int curTheme = 0;
char buf[128] = "";
bool opened = true;
WindowConfig config;

// 功能页面基类
class Panel
{
public:
    virtual ~Panel() {}
    virtual void Render() = 0; // 纯虚函数，派生类需要实现
};

// 授权面板
class AuthorizationPanel : public Panel
{
public:
    void Render() override
    {
        ImGui::BeginChild("AuthorizationWindow", ImVec2(config.contentSize.x - 20, config.contentSize.y - 20), config.contentBorder.show);
        ImGui::SetCursorPos(ImVec2(150, 16));
        ImGui::Text("   Authorization");
        ImGui::SetCursorPos(ImVec2(150, 38));
        ImGui::Text("  Enter your key");
        ImGui::SetCursorPos(ImVec2(19, 60));
        ImGui::InputText("###Key", buf, IM_ARRAYSIZE(buf));
        ImGui::SetCursorPos(ImVec2(125, 95));
        if (ImGui::Button("Sign in", ImVec2(165, 40)))
        {
            // 处理登录逻辑
        }
        ImGui::SetCursorPos(ImVec2(120, 200));
        ImGui::Text("   Subscribe Expire Day");
        ImGui::EndChild();
    }
};

// 数据面板
class DataPanel : public Panel
{
public:
    void Render() override
    {
        ImGui::BeginChild("DataWindow", ImVec2(config.contentSize.x - 20, config.contentSize.y - 20), config.contentBorder.show);
        ImGui::SetCursorPos(ImVec2(148, 10));
        ImGui::Text("   Welcome User.");
        ImGui::SetCursorPos(ImVec2(150, 28));
        ImGui::Text("     DashBoard:");
        ImGui::GetWindowDrawList()->AddRectFilled(ImVec2(200, 90), ImVec2(518, 206), IM_COL32(255, 0, 0, 40));
        ImGui::SetCursorPos(ImVec2(0, 60));
        ImGui::Text("                    -          Added 1tick doubletap.");
        ImGui::Text("                    -          Added Neverlose resolver.");
        ImGui::Text("                    -          Added Nemesis fakelag.");
        ImGui::Text("                    -          Added gamesense api.");
        ImGui::SetCursorPos(ImVec2(0, 180));
        ImGui::Text("    Cheat: Simplicity External / Game: CS:GO / Version: 1.0");
        ImGui::EndChild();
    }
};

// 自定义面板
class CustomizationPanel : public Panel
{
public:
    void Render() override
    {
        ImGui::BeginChild("CustomizableWindow", ImVec2(config.contentSize.x - 20, config.contentSize.y - 20), config.contentBorder.show);
        ImGui::SetCursorPos(ImVec2(120, 16));
        ImGui::Text("    Menu Customization");
        ImGui::SetCursorPos(ImVec2(16, 38));
        ImGui::Combo("Menu Theme", &curTheme, themes, THEME_COUNT);
        ImGui::EndChild();
    }
};

// 功能面板工厂
class PanelFactory
{
public:
    static Panel *CreatePanel(PanelState state)
    {
        switch (state)
        {
        case Authorization:
            return new AuthorizationPanel();
        case Data:
            return new DataPanel();
        case Customization:
            return new CustomizationPanel();
        default:
            return nullptr;
        }
    }
};

// 绘制带圆角的边框
void DrawRoundedBorder(const ImVec2 &pos, const ImVec2 &size, float radius)
{
    ImGui::GetWindowDrawList()->AddRect(pos, ImVec2(pos.x + size.x, pos.y + size.y), radius);
}

// 显示主窗口
void ShowMainWindowTwo()
{
    ImGui::SetNextWindowSize(config.mainWindowSize, ImGuiCond_FirstUseEver);
    ImGui::Begin("Simplicity.cc Loader", &opened, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);

    // 绘制主窗口边框
    if (config.mainBorder.show)
        DrawRoundedBorder(ImGui::GetWindowPos(), config.mainWindowSize, config.mainBorder.radius);

    // 左侧按钮
    ImGui::BeginChild("TabsBar", config.tabsSize, config.tabsBorder.show);
    // 绘制标签栏边框
    if (config.tabsBorder.show)
        DrawRoundedBorder(ImGui::GetCursorScreenPos(), config.tabsSize, config.tabsBorder.radius);

    if (ImGui::Button("Authorization", ImVec2(130, 42)))
        curButton = Authorization;
    if (ImGui::Button("Data", ImVec2(130, 42)))
        curButton = Data;
    if (ImGui::Button("Customization", ImVec2(130, 42)))
        curButton = Customization;

    ImGui::EndChild();

    ImGui::SameLine();
    ImGui::BeginChild("ContentArea", config.contentSize, config.contentBorder.show);

    // 绘制内容区域边框
    if (config.contentBorder.show)
        DrawRoundedBorder(ImGui::GetCursorScreenPos(), config.contentSize, config.contentBorder.radius);

    // 自定义背景
    ImGui::GetWindowDrawList()->AddRectFilled(ImGui::GetWindowPos(),
                                              ImVec2(ImGui::GetWindowPos().x + config.contentSize.x, ImGui::GetWindowPos().y + config.contentSize.y),
                                              IM_COL32(24, 24, 26, 255));

    // 根据当前按钮渲染对应的面板
    Panel *panel = PanelFactory::CreatePanel(static_cast<PanelState>(curButton));
    if (panel)
    {
        panel->Render();
        delete panel; // 使用完后释放内存
    }

    ImGui::EndChild();
    ImGui::End();
}

文本居中

void TextCentered(std::string text) {
    auto windowWidth = ImGui::GetWindowSize().x;
    auto textWidth   = ImGui::CalcTextSize(text.c_str()).x;

    ImGui::SetCursorPosX((windowWidth - textWidth) * 0.5f);
    ImGui::Text(text.c_str());
}