summaryrefslogtreecommitdiff
path: root/src/gui/dialogs/qprintdialog_win.cpp
blob: ac4f1627e42e473e70c9a154c7471394612831af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QT_NO_PRINTDIALOG

#include "qprintdialog.h"

#include <qwidget.h>
#include <qapplication.h>
#include <qmessagebox.h>
#include <private/qapplication_p.h>

#include <private/qabstractprintdialog_p.h>
#include <private/qprintengine_win_p.h>
#include <private/qprinter_p.h>

#if !defined(PD_NOCURRENTPAGE)
#define PD_NOCURRENTPAGE    0x00800000
#define PD_RESULT_PRINT	1
#define PD_RESULT_APPLY	2
#define START_PAGE_GENERAL  0XFFFFFFFF
#endif

QT_BEGIN_NAMESPACE

extern void qt_win_eatMouseMove();

class QPrintDialogPrivate : public QAbstractPrintDialogPrivate
{
    Q_DECLARE_PUBLIC(QPrintDialog)
public:
    QPrintDialogPrivate()
        : ep(0)
    {
    }

    inline void _q_printToFileChanged(int) {}
    inline void _q_rbPrintRangeToggled(bool) {}
    inline void _q_printerChanged(int) {}
    inline void _q_chbPrintLastFirstToggled(bool) {}
    inline void _q_paperSizeChanged(int) {}
    inline void _q_btnBrowseClicked() {}
    inline void _q_btnPropertiesClicked() {}
    int openWindowsPrintDialogModally();

    QWin32PrintEnginePrivate *ep;
};

static void qt_win_setup_PRINTDLGEX(PRINTDLGEX *pd, QWidget *parent,
                                    QPrintDialog *pdlg,
                                    QPrintDialogPrivate *d, HGLOBAL *tempDevNames)
{
    DEVMODE *devMode = d->ep->devMode;

    if (devMode) {
        int size = sizeof(DEVMODE) + devMode->dmDriverExtra;
        pd->hDevMode = GlobalAlloc(GHND, size);
        {
            void *dest = GlobalLock(pd->hDevMode);
            memcpy(dest, devMode, size);
            GlobalUnlock(pd->hDevMode);
        }
    } else {
        pd->hDevMode = NULL;
    }
    pd->hDevNames  = tempDevNames;

    pd->Flags = PD_RETURNDC;
    pd->Flags |= PD_USEDEVMODECOPIESANDCOLLATE;

    if (!pdlg->isOptionEnabled(QPrintDialog::PrintSelection))
        pd->Flags |= PD_NOSELECTION;
    if (pdlg->isOptionEnabled(QPrintDialog::PrintPageRange)) {
        pd->nMinPage = pdlg->minPage();
        pd->nMaxPage = pdlg->maxPage();
    }

    if(!pdlg->isOptionEnabled(QPrintDialog::PrintToFile))
        pd->Flags |= PD_DISABLEPRINTTOFILE;

    if (pdlg->printRange() == QPrintDialog::Selection)
        pd->Flags |= PD_SELECTION;
    else if (pdlg->printRange() == QPrintDialog::PageRange)
        pd->Flags |= PD_PAGENUMS;
    else
        pd->Flags |= PD_ALLPAGES;

    // As stated by MSDN, to enable collate option when minpage==maxpage==0
    // set the PD_NOPAGENUMS flag
    if (pd->nMinPage==0 && pd->nMaxPage==0)
        pd->Flags |= PD_NOPAGENUMS;

    // Disable Current Page option if not required as default is Enabled
    if (!pdlg->isOptionEnabled(QPrintDialog::PrintCurrentPage))
        pd->Flags |= PD_NOCURRENTPAGE;

    // Default to showing the General tab first
    pd->nStartPage = START_PAGE_GENERAL;

    // We don't support more than one page range in the QPrinter API yet.
    pd->nPageRanges = 1;
    pd->nMaxPageRanges = 1;

    if (d->ep->printToFile)
        pd->Flags |= PD_PRINTTOFILE;
    Q_ASSERT(parent);
    pd->hwndOwner = parent->window()->winId();
    pd->lpPageRanges[0].nFromPage = qMax(pdlg->fromPage(), pdlg->minPage());
    pd->lpPageRanges[0].nToPage   = (pdlg->toPage() > 0) ? qMin(pdlg->toPage(), pdlg->maxPage()) : 1;
    pd->nCopies = d->ep->num_copies;
}

static void qt_win_read_back_PRINTDLGEX(PRINTDLGEX *pd, QPrintDialog *pdlg, QPrintDialogPrivate *d)
{
    if (pd->Flags & PD_SELECTION) {
        pdlg->setPrintRange(QPrintDialog::Selection);
        pdlg->setFromTo(0, 0);
    } else if (pd->Flags & PD_PAGENUMS) {
        pdlg->setPrintRange(QPrintDialog::PageRange);
        pdlg->setFromTo(pd->lpPageRanges[0].nFromPage, pd->lpPageRanges[0].nToPage);
    } else if (pd->Flags & PD_CURRENTPAGE) {
        pdlg->setPrintRange(QPrintDialog::CurrentPage);
        pdlg->setFromTo(0, 0);
    } else { // PD_ALLPAGES
        pdlg->setPrintRange(QPrintDialog::AllPages);
        pdlg->setFromTo(0, 0);
    }

    d->ep->printToFile = (pd->Flags & PD_PRINTTOFILE) != 0;

    d->ep->readDevnames(pd->hDevNames);
    d->ep->readDevmode(pd->hDevMode);
    d->ep->updateCustomPaperSize();

    if (d->ep->printToFile && d->ep->fileName.isEmpty())
        d->ep->fileName = d->ep->port;
    else if (!d->ep->printToFile && d->ep->fileName == QLatin1String("FILE:"))
        d->ep->fileName.clear();
}

static bool warnIfNotNative(QPrinter *printer)
{
    if (printer->outputFormat() != QPrinter::NativeFormat) {
        qWarning("QPrintDialog: Cannot be used on non-native printers");
        return false;
    }
    return true;
}

QPrintDialog::QPrintDialog(QPrinter *printer, QWidget *parent)
    : QAbstractPrintDialog( *(new QPrintDialogPrivate), printer, parent)
{
    Q_D(QPrintDialog);
    if (!warnIfNotNative(d->printer))
        return;
    d->ep = static_cast<QWin32PrintEngine *>(d->printer->paintEngine())->d_func();
}

QPrintDialog::QPrintDialog(QWidget *parent)
    : QAbstractPrintDialog( *(new QPrintDialogPrivate), 0, parent)
{
    Q_D(QPrintDialog);
    if (!warnIfNotNative(d->printer))
        return;
    d->ep = static_cast<QWin32PrintEngine *>(d->printer->paintEngine())->d_func();
}

QPrintDialog::~QPrintDialog()
{
}

int QPrintDialog::exec()
{
    if (!warnIfNotNative(printer()))
        return 0;

    Q_D(QPrintDialog);
    return d->openWindowsPrintDialogModally();
}

int QPrintDialogPrivate::openWindowsPrintDialogModally()
{
    Q_Q(QPrintDialog);
    QWidget *parent = q->parentWidget();
    if (parent)
        parent = parent->window();
    else
        parent = QApplication::activeWindow();

    // If there is no window, fall back to the print dialog itself
    if (parent == 0)
        parent = q;

    QWidget modal_widget;
    modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
    modal_widget.setParent(parent, Qt::Window);
    QApplicationPrivate::enterModal(&modal_widget);

    HGLOBAL *tempDevNames = ep->createDevNames();

    bool done;
    bool result;
    bool doPrinting;

    PRINTPAGERANGE pageRange;
    PRINTDLGEX pd;
    memset(&pd, 0, sizeof(PRINTDLGEX));
    pd.lStructSize = sizeof(PRINTDLGEX);
    pd.lpPageRanges = &pageRange;
    qt_win_setup_PRINTDLGEX(&pd, parent, q, this, tempDevNames);

    do {
        done = true;
        doPrinting = false;
        result = (PrintDlgEx(&pd) == S_OK);
        if (result && (pd.dwResultAction == PD_RESULT_PRINT
                       || pd.dwResultAction == PD_RESULT_APPLY))
        {
            doPrinting = (pd.dwResultAction == PD_RESULT_PRINT);
            if ((pd.Flags & PD_PAGENUMS)
                && (pd.lpPageRanges[0].nFromPage > pd.lpPageRanges[0].nToPage))
            {
                pd.lpPageRanges[0].nFromPage = 1;
                pd.lpPageRanges[0].nToPage = 1;
                done = false;
            }
            if (pd.hDC == 0)
                result = false;
        }

        if (!done) {
            QMessageBox::warning(0, QPrintDialog::tr("Print"),
                                 QPrintDialog::tr("The 'From' value cannot be greater than the 'To' value."),
                                 QPrintDialog::tr("OK"));
        }
    } while (!done);

    QApplicationPrivate::leaveModal(&modal_widget);

    qt_win_eatMouseMove();

    // write values back...
    if (result && (pd.dwResultAction == PD_RESULT_PRINT
                   || pd.dwResultAction == PD_RESULT_APPLY))
    {
        qt_win_read_back_PRINTDLGEX(&pd, q, this);
        // update printer validity
        printer->d_func()->validPrinter = !ep->name.isEmpty();
    }

    // Cleanup...
    GlobalFree(tempDevNames);

    q->done(result && doPrinting);

    return result && doPrinting;
}

void QPrintDialog::setVisible(bool visible)
{
    Q_D(QPrintDialog);

    // its always modal, so we cannot hide a native print dialog
    if (!visible)
        return;

    if (!warnIfNotNative(d->printer))
        return;

    (void)d->openWindowsPrintDialogModally();
    return;
}

QT_END_NAMESPACE

#include "moc_qprintdialog.cpp"

#endif // QT_NO_PRINTDIALOG