sumatradialogs.cc.svn-base

来自「SumatraPDF是一款小型开源的pdf阅读工具。虽然玲珑小巧（只有800多K」· SVN-BASE 代码 · 共 456 行 · 第 1/2 页

    assert(win);
    if (!win) return INVALID_PAGE_NO;

    data.currPageNo = win->dm->startPage();
    data.pageCount = win->dm->pageCount();
    dialogResult = DialogBoxParam(NULL, MAKEINTRESOURCE(IDD_DIALOG_GOTO_PAGE), win->hwndFrame, Dialog_GoToPage_Proc, (LPARAM)&data);
    if (DIALOG_OK_PRESSED == dialogResult) {
        if (win->dm->validPageNo(data.pageEnteredOut)) {
            return data.pageEnteredOut;
        }
    }
    return INVALID_PAGE_NO;
}

/* For passing data to/from AssociateWithPdf dialog */
typedef struct {
    BOOL    dontAskAgain;
} Dialog_PdfAssociate_Data;

static BOOL CALLBACK Dialog_PdfAssociate_Proc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    Dialog_PdfAssociate_Data *  data;

    if (WM_INITDIALOG == message)
    {
        /* TODO: intelligently center the dialog within the parent window? */
        data = (Dialog_PdfAssociate_Data*)lParam;
        assert(data);
        SetWindowLongPtr(hDlg, GWL_USERDATA, (LONG_PTR)data);
        win_set_textw(hDlg, _TRW("Associate with PDF files?"));
        SetDlgItemTextW(hDlg, IDC_STATIC, _TRW("Make SumatraPDF default application for PDF files?"));
        SetDlgItemTextW(hDlg, IDC_DONT_ASK_ME_AGAIN, _TRW("Don't ask me again"));
        CheckDlgButton(hDlg, IDC_DONT_ASK_ME_AGAIN, BST_UNCHECKED);
        SetFocus(GetDlgItem(hDlg, IDOK));
        return FALSE;
    }

    switch (message)
    {
        case WM_COMMAND:
            data = (Dialog_PdfAssociate_Data*)GetWindowLongPtr(hDlg, GWL_USERDATA);
            assert(data);
            data->dontAskAgain = FALSE;
            switch (LOWORD(wParam))
            {
                case IDOK:
                    if (BST_CHECKED == IsDlgButtonChecked(hDlg, IDC_DONT_ASK_ME_AGAIN))
                        data->dontAskAgain = TRUE;
                    EndDialog(hDlg, DIALOG_OK_PRESSED);
                    return TRUE;

                case IDCANCEL:
                    if (BST_CHECKED == IsDlgButtonChecked(hDlg, IDC_DONT_ASK_ME_AGAIN))
                        data->dontAskAgain = TRUE;
                    EndDialog(hDlg, DIALOG_NO_PRESSED);
                    return TRUE;

                case IDC_DONT_ASK_ME_AGAIN:
                    return TRUE;
            }
            break;
    }
    return FALSE;
}

/* Show "associate this application with PDF files" dialog.
   Returns DIALOG_YES_PRESSED if "Yes" button was pressed or
   DIALOG_NO_PRESSED if "No" button was pressed.
   Returns the state of "don't ask me again" checkbox" in <dontAskAgain> */
int Dialog_PdfAssociate(HWND hwnd, BOOL *dontAskAgainOut)
{
    assert(dontAskAgainOut);

    Dialog_PdfAssociate_Data data;
    int dialogResult = DialogBoxParam(NULL, MAKEINTRESOURCE(IDD_DIALOG_PDF_ASSOCIATE), hwnd, Dialog_PdfAssociate_Proc, (LPARAM)&data);
    if (dontAskAgainOut)
        *dontAskAgainOut = data.dontAskAgain;
    return dialogResult;
}

/* For passing data to/from ChangeLanguage dialog */
typedef struct {
    int langId;
} Dialog_ChangeLanguage_Data;

static BOOL CALLBACK Dialog_ChangeLanguage_Proc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    Dialog_ChangeLanguage_Data *  data;
    HWND                          langList;
    int                           sel;

    if (WM_INITDIALOG == message)
    {
        DIALOG_SIZER_START(sz)
            DIALOG_SIZER_ENTRY(IDOK, DS_MoveY)
            DIALOG_SIZER_ENTRY(IDCANCEL, DS_MoveX | DS_MoveY)
            DIALOG_SIZER_ENTRY(IDC_CHANGE_LANG_LANG_LIST, DS_SizeY | DS_SizeX)
        DIALOG_SIZER_END()
        DialogSizer_Set(hDlg, sz, TRUE, NULL);
        data = (Dialog_ChangeLanguage_Data*)lParam;
        assert(data);
        SetWindowLongPtr(hDlg, GWL_USERDATA, (LONG_PTR)data);
        /* TODO: for some reason this doesn't work well e.g. when using
           russion translation, the russian part of window title is garbage (?)
           not russian text. Maybe I need to change the font ? */
        win_set_textw(hDlg, _TRW("Change language"));
        WCHAR *langName;
        langList = GetDlgItem(hDlg, IDC_CHANGE_LANG_LANG_LIST);
        int idx = 0;
        for (int i=0; i < LANGS_COUNT; i++) {
            langName = utf8_to_utf16(g_menuDefLang[i].m_title);
            lb_append_stringw_no_sort(langList, langName);
            free(langName);
            if (g_menuDefLang[i].m_id == data->langId)
                idx = i;
        }
        lb_set_selection(langList, idx);
        SetFocus(langList);
        return FALSE;
    }

    switch (message)
    {
        case WM_COMMAND:
            data = (Dialog_ChangeLanguage_Data*)GetWindowLongPtr(hDlg, GWL_USERDATA);
            assert(data);
            if (HIWORD(wParam) == LBN_DBLCLK) {
                assert(IDC_CHANGE_LANG_LANG_LIST == LOWORD(wParam));
                langList = GetDlgItem(hDlg, IDC_CHANGE_LANG_LANG_LIST);
                assert(langList == (HWND)lParam);
                sel = lb_get_selection(langList);                    
                data->langId = g_menuDefLang[sel].m_id;
                EndDialog(hDlg, DIALOG_OK_PRESSED);
                return FALSE;
            }
            switch (LOWORD(wParam))
            {
                case IDOK:
                    langList = GetDlgItem(hDlg, IDC_CHANGE_LANG_LANG_LIST);
                    sel = lb_get_selection(langList);                    
                    data->langId = g_menuDefLang[sel].m_id;
                    EndDialog(hDlg, DIALOG_OK_PRESSED);
                    return TRUE;

                case IDCANCEL:
                    EndDialog(hDlg, DIALOG_CANCEL_PRESSED);
                    return TRUE;
            }
            break;
    }

    return FALSE;
}

/* Show "Change Language" dialog.
   Returns language id (as stored in g_langs[]._langId) or -1 if the user 
   chose 'cancel' */
int Dialog_ChangeLanguge(HWND hwnd, int currLangId)
{
    Dialog_ChangeLanguage_Data data;
    data.langId = currLangId;
    int dialogResult = DialogBoxParam(NULL, MAKEINTRESOURCE(IDD_DIALOG_CHANGE_LANGUAGE), hwnd, Dialog_ChangeLanguage_Proc, (LPARAM)&data);
    if (DIALOG_CANCEL_PRESSED == dialogResult)
        return -1;
    return data.langId;
}

static BOOL CALLBACK Dialog_NewVersion_Proc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    Dialog_NewVersion_Data *  data;
    WCHAR *txt;

    if (WM_INITDIALOG == message)
    {
        /* TODO: intelligently center the dialog within the parent window? */
        data = (Dialog_NewVersion_Data*)lParam;
        assert(NULL != data);
        SetWindowLongPtr(hDlg, GWL_USERDATA, (LONG_PTR)data);
        win_set_textw(hDlg, _TRW("New version available."));

        txt = wstr_printf(_TRW("You have version %s"), data->currVersion);
        SetDlgItemTextW(hDlg, IDC_YOU_HAVE, txt);
        free((void*)txt);

        txt = wstr_printf(_TRW("New version %s is available. Download new version?"), data->newVersion);
        SetDlgItemTextW(hDlg, IDC_NEW_AVAILABLE, txt);
        free(txt);

        SetDlgItemTextW(hDlg, IDC_SKIP_THIS_VERSION, _TRW("Skip this version"));
        CheckDlgButton(hDlg, IDC_SKIP_THIS_VERSION, BST_UNCHECKED);
        SetFocus(GetDlgItem(hDlg, IDOK));
        return FALSE;
    }

    switch (message)
    {
        case WM_COMMAND:
            data = (Dialog_NewVersion_Data*)GetWindowLongPtr(hDlg, GWL_USERDATA);
            assert(data);
            data->skipThisVersion= FALSE;
            switch (LOWORD(wParam))
            {
                case IDOK:
                    if (BST_CHECKED == IsDlgButtonChecked(hDlg, IDC_SKIP_THIS_VERSION))
                        data->skipThisVersion= TRUE;
                    EndDialog(hDlg, DIALOG_OK_PRESSED);
                    return TRUE;

                case IDCANCEL:
                    if (BST_CHECKED == IsDlgButtonChecked(hDlg, IDC_SKIP_THIS_VERSION))
                        data->skipThisVersion= TRUE;
                    EndDialog(hDlg, DIALOG_NO_PRESSED);
                    return TRUE;

                case IDC_SKIP_THIS_VERSION:
                    return TRUE;
            }
            break;
    }
    return FALSE;
}

int Dialog_NewVersionAvailable(HWND hwnd, Dialog_NewVersion_Data *data)
{
    int dialogResult = DialogBoxParam(NULL, MAKEINTRESOURCE(IDD_DIALOG_NEW_VERSION), hwnd, Dialog_NewVersion_Proc, (LPARAM)data);
    return dialogResult;
}