code_app/modules/twainui/twainui.cpp

#include "twainui.h"
#include "dialog_device_select.h"
#include "dialog_progress_ui.h"
#include "hg_settingdialog.h"

#ifdef HG_CMP_MSC
#include "qwinwidget.hpp"
extern HINSTANCE g_hInst;
extern bool g_ownApplication;
#endif

int choose_scanner(const std::vector<DEVQUE> &devs)
{
    QWidget* qParent = nullptr;
#ifdef HG_CMP_MSC
    if (!g_ownApplication)
        g_ownApplication = QMfcApp::pluginInstance(g_hInst);
    QWinWidget win(nullptr);
#else
    qParent = parent;
#endif

    QTranslator translator;
    int cp = lang_get_cur_code_page();
    if (20127 == cp)
        translator.load(":translation/TwainUI_zh_EN.qm");
    else
        translator.load(":translation/TwainUI_zh_CN.qm");
    QCoreApplication::installTranslator(&translator);

    Dialog_device_select dlg(devs);
    dlg.exec();
    QCoreApplication::removeTranslator(&translator);

    return dlg.getDevId();
}

char *apply_current_config(const char *dev_name, SANE_Handle device, LPSANEAPI api)
{
    return NULL;
}

void twain_ui_free(void *buf)
{
    if (buf != nullptr)
    {
        delete buf;
        buf = nullptr;
    }
}

int show_setting_ui(SANE_Handle device, HWND parent, LPSANEAPI api, bool with_scan)
{
    if (nullptr == api || nullptr == device)
        return -1;

    QWidget *qParent = nullptr;
#ifdef HG_CMP_MSC
    if (!g_ownApplication)
        g_ownApplication = QMfcApp::pluginInstance(g_hInst);
    QWinWidget win(parent);
    if (nullptr != parent)
    {
        win.showCentered();
        qParent = &win;
    }
#else
    qParent = parent;
#endif

    QTranslator translator;
    int cp = lang_get_cur_code_page();
    if (20127 == cp)
        translator.load(":translation/TwainUI_zh_EN.qm");
    else
        translator.load(":translation/TwainUI_zh_CN.qm");
    QCoreApplication::installTranslator(&translator);

    hg_settingdialog dlg(device, api, with_scan, qParent);
    dlg.exec();
    QCoreApplication::removeTranslator(&translator);

    int ret = dlg.getCloseButtonCliked();
    if (ret == dlg.closeButtonScan)
        return UI_RESULT_START_SCAN;
    else if (ret == dlg.closeButtonCancel)
        return UI_RESULT_CLOSE_CANCEL;
    else
        return UI_RESULT_CLOSE_NORMAL;
}

int show_progress_ui(HWND parent, std::function<void (ui_result)> callback, std::function<void (int, void *, int)> *notify)
{
    QWidget *qParent = nullptr;
#ifdef HG_CMP_MSC
    if (!g_ownApplication)
        g_ownApplication = QMfcApp::pluginInstance(g_hInst);
    QWinWidget *win = new QWinWidget(parent);
    if (nullptr != parent)
    {
        win->showCentered();
        qParent = win;
    }
#else
    qParent = parent;
#endif

    Dialog_progress_ui *dlg = new Dialog_progress_ui(callback, notify, qParent);
    dlg->show();

    return 0;
}