CorelDRAW-CPG/08_SmartGroup/ToolsBox.cpp

#include <stdio.h>
#include <windows.h>
#include "cdrapi.h"
#include "resource.h"
#include "cdrapp.h"

corel *cdr = NULL;
static HINSTANCE g_hResource = NULL;

BOOL APIENTRY DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
    if (fdwReason == DLL_PROCESS_ATTACH) {
        g_hResource = (HINSTANCE)hinstDLL;
    }
    return TRUE;
}

class ToolsBoxPlugin : public VGCore::IVGAppPlugin
{
private:

    volatile ULONG m_ulRefCount;
    long m_lCookie;

    static intptr_t CALLBACK DlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
    void OpenToolsBox();


public:
    ToolsBoxPlugin();
    VGCore::IVGApplication* m_pApp;

// IUnknown
public:
    STDMETHOD(QueryInterface)(REFIID riid, void** ppvObject);
    STDMETHOD_(ULONG, AddRef)(void) { return ++m_ulRefCount; }
    STDMETHOD_(ULONG, Release)(void)
    {
        ULONG ulCount = --m_ulRefCount;
        if (ulCount == 0) {
            delete this;
        }
        return ulCount;
    }

// IDispatch
public:
    STDMETHOD(GetTypeInfoCount)(UINT* pctinfo) { return E_NOTIMPL; }
    STDMETHOD(GetTypeInfo)(UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo) { return E_NOTIMPL; }
    STDMETHOD(GetIDsOfNames)(REFIID riid, LPOLESTR* rgszNames, UINT cNames, LCID lcid, DISPID* rgDispId) { return E_NOTIMPL; }
    STDMETHOD(Invoke)(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult, EXCEPINFO* pExcepInfo, UINT* puArgErr);

// IVGAppPlugin
public:
    STDMETHOD(raw_OnLoad)(VGCore::IVGApplication* Application);
    STDMETHOD(raw_StartSession)();
    STDMETHOD(raw_StopSession)();
    STDMETHOD(raw_OnUnload)();

};

ToolsBoxPlugin::ToolsBoxPlugin()
{
    m_pApp = NULL;
    m_lCookie = 0;
    m_ulRefCount = 1;
}

STDMETHODIMP ToolsBoxPlugin::QueryInterface(REFIID riid, void** ppvObject)
{
    HRESULT hr = S_OK;
    m_ulRefCount++;
    if (riid == IID_IUnknown) {
        *ppvObject = (IUnknown*)this;
    } else if (riid == IID_IDispatch) {
        *ppvObject = (IDispatch*)this;
    } else if (riid == __uuidof(VGCore::IVGAppPlugin)) {
        *ppvObject = (VGCore::IVGAppPlugin*)this;
    } else {
        m_ulRefCount--;
        hr = E_NOINTERFACE;
    }
    return hr;
}

STDMETHODIMP ToolsBoxPlugin::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult, EXCEPINFO* pExcepInfo, UINT* puArgErr)
{
    switch (dispIdMember) {

    case 0x0014: // DISPID_APP_ONPLUGINCMD
        if (pDispParams != NULL && pDispParams->cArgs == 1) {
            _bstr_t strCmd(pDispParams->rgvarg[0].bstrVal);
            if (strCmd == _bstr_t("OpenToolsBox")) {
                //   MessageBox(NULL, _bstr_t("OpenToolsBox"), _bstr_t("OpenToolsBox"), MB_ICONSTOP);
                OpenToolsBox();
            }
        }
        break;

    case 0x0015: // DISPID_APP_ONPLUGINCMDSTATE
        if (pDispParams != NULL && pDispParams->cArgs == 3) {
            _bstr_t strCmd(pDispParams->rgvarg[2].bstrVal);
            if (strCmd == _bstr_t("OpenToolsBox")) {
                *pDispParams->rgvarg[1].pboolVal = VARIANT_TRUE;
            }
        }
        break;
    }
    return S_OK;
}

STDMETHODIMP ToolsBoxPlugin::raw_OnLoad(VGCore::IVGApplication* Application)
{
    m_pApp = Application;
    if (m_pApp) {
        m_pApp->AddRef();
    }
    return S_OK;
}

STDMETHODIMP ToolsBoxPlugin::raw_StartSession()
{
    // 接口转交给cdr
    cdr = m_pApp;

    try {
        m_pApp->AddPluginCommand(_bstr_t("OpenToolsBox"), _bstr_t("Tools Box"), _bstr_t("打开工具窗口"));

        VGCore::ICUIControlPtr ctl = m_pApp->CommandBars->Item[_bstr_t("Standard")]->Controls->AddCustomButton(VGCore::cdrCmdCategoryPlugins, _bstr_t("OpenToolsBox"), 10, VARIANT_FALSE);
        ctl->SetIcon2(_bstr_t("guid://d2fdc0d9-09f8-4948-944c-4297395c05b7"));
        m_lCookie = m_pApp->AdviseEvents(this);
    } catch (_com_error &e) {
        MessageBox(NULL, e.Description(), _bstr_t("Error"), MB_ICONSTOP);
    }
    return S_OK;
}

STDMETHODIMP ToolsBoxPlugin::raw_StopSession()
{
    try {
        m_pApp->UnadviseEvents(m_lCookie);
        m_pApp->RemovePluginCommand(_bstr_t("OpenToolsBox"));
    } catch (_com_error &e) {
        MessageBox(NULL, e.Description(), _bstr_t("Error"), MB_ICONSTOP);
    }
    return S_OK;
}

STDMETHODIMP ToolsBoxPlugin::raw_OnUnload()
{
    if (m_pApp) {
        m_pApp->Release();
        m_pApp = NULL;
    }
    return S_OK;
}

void ToolsBoxPlugin::OpenToolsBox()
{
    m_pApp->StartupMode = VGCore::cdrStartupDoNothing;

    intptr_t nHandle = m_pApp->AppWindow->Handle;
    HWND hAppWnd = reinterpret_cast<HWND>(nHandle);

    // 创建非模态对话框
    HWND hDlgWnd = CreateDialogParam(g_hResource, MAKEINTRESOURCE(IDD_TOOLS_BOX), hAppWnd, DlgProc, (LPARAM)m_pApp);
    // 在创建对话框之前存储 m_pApp 指针
    SetWindowLongPtr(hDlgWnd, DWLP_USER, (LONG_PTR)m_pApp);

    // 获取屏幕的宽度和高度
    RECT rect;
    GetWindowRect(GetDesktopWindow(), &rect);
    int screenWidth = rect.right - rect.left;
    int screenHeight = rect.bottom - rect.top;

    // 计算对话框窗口的宽度和高度
    RECT dlgRect;
    GetWindowRect(hDlgWnd, &dlgRect);
    int dlgWidth = dlgRect.right - dlgRect.left;
    int dlgHeight = dlgRect.bottom - dlgRect.top;

    // 计算对话框窗口的左上角坐标,使其居中显示
    int x = (screenWidth - dlgWidth) / 2;
    int y = (screenHeight - dlgHeight) / 2;

    // 设置对话框窗口的位置
    SetWindowPos(hDlgWnd, NULL, x, y, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
    // 设置对话框窗口的父窗口  // #define GWL_HWNDPARENT      (-8)
    SetWindowLong(hDlgWnd, -8, (LONG)hAppWnd);
    // 显示对话框窗口
    ShowWindow(hDlgWnd, SW_SHOW);
}


intptr_t CALLBACK ToolsBoxPlugin::DlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    // 从附加数据中获取 m_pApp 指针
    VGCore::IVGApplication* cdr = reinterpret_cast<VGCore::IVGApplication*>(GetWindowLongPtr(hDlg, DWLP_USER));

    if (uMsg == WM_COMMAND) {
        try {
            switch (LOWORD(wParam)) {
            case IDC_RED :{
                    double exp = GetTextValue(hDlg, EXP_TEXT);
                    AutoMakeSelection(cdr);
                    Box_AutoGroup(cdr, exp);

// MessageBox(NULL, "方框智能群组:Union-Find 算法\n 分组记录请查看: D:\\group.txt", "CPG代码测试", MB_ICONSTOP);
                    Active_CorelWindows(hDlg);
                }
                break;

            case IDC_CQL_OUTLINE:
                cql_OutlineColor(cdr);
                Active_CorelWindows(hDlg);
                break;

            case IDC_CQL_FILL:
                cql_FillColor(cdr);
                Active_CorelWindows(hDlg);
                break;

            case IDC_CQL_SIZE:
                cql_SameSize(cdr);
                Active_CorelWindows(hDlg);
                break;

            case IDC_CLEAR_FILL:{
                    double exp = GetTextValue(hDlg, EXP_TEXT);
                    AutoMakeSelection(cdr);
                    BBox_DrawRectangle(cdr, exp);
                    Active_CorelWindows(hDlg);
                // Clear_Fill(cdr);
                }
                break;

            case IDC_SR_FLIP:
                Shapes_Filp(cdr);
                break;

            case IDC_CDR2AI:
                CdrCopy_to_AdobeAI(cdr);
                break;

            case IDC_AI2CDR:
                AdobeAI_Copy_ImportCdr(cdr);
                break;

            case IDOK:
            case IDCANCEL:
                EndDialog(hDlg, 0);
                break;
            }

        } catch (_com_error &e) {
            MessageBox(NULL, e.Description(), "Error", MB_ICONSTOP);
        }

    } else if (uMsg == WM_INITDIALOG) {
             SetWindowText(::GetDlgItem(hDlg, EXP_TEXT), "0");
        return 1;
    }
    return 0;
}

extern "C" __declspec(dllexport) DWORD APIENTRY AttachPlugin(VGCore::IVGAppPlugin** ppIPlugin)
{
    *ppIPlugin = new ToolsBoxPlugin;
    return 0x100;
}