summaryrefslogtreecommitdiffstats
path: root/tools/designer/src/lib/shared/iconselector.cpp
blob: a6b37ed0109b00c94585d04351bd79a029c385e7 (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
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "iconselector_p.h"
#include "qdesigner_utils_p.h"
#include "qtresourcemodel_p.h"
#include "qtresourceview_p.h"
#include "iconloader_p.h"
#include "qdesigner_integration_p.h"
#include "formwindowbase_p.h"

#include <abstractdialoggui_p.h>
#include <qdesigner_integration_p.h>
#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerResourceBrowserInterface>
#include <QtDesigner/QDesignerLanguageExtension>
#include <QtDesigner/QExtensionManager>

#include <QtGui/QToolButton>
#include <QtCore/QSignalMapper>
#include <QtGui/QComboBox>
#include <QtGui/QAction>
#include <QtGui/QDialogButtonBox>
#include <QtGui/QPushButton>
#include <QtGui/QDialog>
#include <QtGui/QMenu>
#include <QtGui/QApplication>
#include <QtGui/QVBoxLayout>
#include <QtGui/QImageReader>
#include <QtGui/QDialogButtonBox>
#include <QtGui/QVBoxLayout>
#include <QtCore/QDebug>

QT_BEGIN_NAMESPACE

namespace qdesigner_internal {

// -------------------- LanguageResourceDialogPrivate
class LanguageResourceDialogPrivate {
    LanguageResourceDialog *q_ptr;
    Q_DECLARE_PUBLIC(LanguageResourceDialog)

public:
    LanguageResourceDialogPrivate(QDesignerResourceBrowserInterface *rb);
    void init(LanguageResourceDialog *p);

    void setCurrentPath(const QString &filePath);
    QString currentPath() const;

    void slotAccepted();
    void slotPathChanged(const QString &);

private:
    void setOkButtonEnabled(bool v)         { m_dialogButtonBox->button(QDialogButtonBox::Ok)->setEnabled(v); }
    static bool checkPath(const QString &p);

    QDesignerResourceBrowserInterface *m_browser;
    QDialogButtonBox *m_dialogButtonBox;
};

LanguageResourceDialogPrivate::LanguageResourceDialogPrivate(QDesignerResourceBrowserInterface *rb) :
    q_ptr(0),
    m_browser(rb),
    m_dialogButtonBox(new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel))
{
     setOkButtonEnabled(false);
}

void LanguageResourceDialogPrivate::init(LanguageResourceDialog *p)
{
    q_ptr = p;
    QLayout *layout = new QVBoxLayout(p);
    layout->addWidget(m_browser);
    layout->addWidget(m_dialogButtonBox);
    QObject::connect(m_dialogButtonBox, SIGNAL(accepted()), p, SLOT(slotAccepted()));
    QObject::connect(m_dialogButtonBox, SIGNAL(rejected()), p, SLOT(reject()));
    QObject::connect(m_browser, SIGNAL(currentPathChanged(QString)), p, SLOT(slotPathChanged(QString)));
    QObject::connect(m_browser, SIGNAL(pathActivated(QString)), p, SLOT(slotAccepted()));
    p->setModal(true);
    p->setWindowTitle(LanguageResourceDialog::tr("Choose Resource"));
    p->setWindowFlags(p->windowFlags() & ~Qt::WindowContextHelpButtonHint);
    setOkButtonEnabled(false);
}

void LanguageResourceDialogPrivate::setCurrentPath(const QString &filePath)
{
    m_browser->setCurrentPath(filePath);
    setOkButtonEnabled(checkPath(filePath));
}

QString LanguageResourceDialogPrivate::currentPath() const
{
    return m_browser->currentPath();
}

bool LanguageResourceDialogPrivate::checkPath(const QString &p)
{
    return p.isEmpty() ? false : IconSelector::checkPixmap(p, IconSelector::CheckFast);
}

void LanguageResourceDialogPrivate::slotAccepted()
{
    if (checkPath(currentPath()))
        q_ptr->accept();
}

void LanguageResourceDialogPrivate::slotPathChanged(const QString &p)
{
    setOkButtonEnabled(checkPath(p));
}

// ------------ LanguageResourceDialog
LanguageResourceDialog::LanguageResourceDialog(QDesignerResourceBrowserInterface *rb, QWidget *parent) :
    QDialog(parent),
    d_ptr(new LanguageResourceDialogPrivate(rb))
{
    d_ptr->init( this);
}

LanguageResourceDialog::~LanguageResourceDialog()
{
    delete d_ptr;
}

void LanguageResourceDialog::setCurrentPath(const QString &filePath)
{
    d_ptr->setCurrentPath(filePath);
}

QString LanguageResourceDialog::currentPath() const
{
    return d_ptr->currentPath();
}

LanguageResourceDialog* LanguageResourceDialog::create(QDesignerFormEditorInterface *core, QWidget *parent)
{
    if (QDesignerLanguageExtension *lang = qt_extension<QDesignerLanguageExtension *>(core->extensionManager(), core))
        if (QDesignerResourceBrowserInterface *rb = lang->createResourceBrowser(0))
            return new LanguageResourceDialog(rb, parent);
    if (QDesignerIntegration *di = qobject_cast<QDesignerIntegration*>(core->integration()))
        if (QDesignerResourceBrowserInterface *rb = di->createResourceBrowser(0))
            return new LanguageResourceDialog(rb, parent);
    return 0;
}

// ------------ IconSelectorPrivate
class IconSelectorPrivate
{
    IconSelector *q_ptr;
    Q_DECLARE_PUBLIC(IconSelector)
public:
    IconSelectorPrivate();

    void slotStateActivated();
    void slotSetActivated();
    void slotSetResourceActivated();
    void slotSetFileActivated();
    void slotResetActivated();
    void slotResetAllActivated();
    void slotUpdate();

    QList<QPair<QPair<QIcon::Mode, QIcon::State>, QString> > m_stateToName; // could be static map

    QMap<QPair<QIcon::Mode, QIcon::State>, int>  m_stateToIndex;
    QMap<int, QPair<QIcon::Mode, QIcon::State> > m_indexToState;

    QIcon m_emptyIcon;
    QComboBox *m_stateComboBox;
    QToolButton *m_iconButton;
    QAction *m_resetAction;
    QAction *m_resetAllAction;
    PropertySheetIconValue m_icon;
    DesignerIconCache *m_iconCache;
    DesignerPixmapCache *m_pixmapCache;
    QtResourceModel *m_resourceModel;
    QDesignerFormEditorInterface *m_core;
};

IconSelectorPrivate::IconSelectorPrivate() :
    q_ptr(0),
    m_stateComboBox(0),
    m_iconButton(0),
    m_resetAction(0),
    m_resetAllAction(0),
    m_iconCache(0),
    m_pixmapCache(0),
    m_resourceModel(0),
    m_core(0)
{
}
void IconSelectorPrivate::slotUpdate()
{
    QIcon icon;
    if (m_iconCache)
        icon = m_iconCache->icon(m_icon);

    QMap<QPair<QIcon::Mode, QIcon::State>, PropertySheetPixmapValue> paths = m_icon.paths();
    QMapIterator<QPair<QIcon::Mode, QIcon::State>, int> itIndex(m_stateToIndex);
    while (itIndex.hasNext()) {
        const QPair<QIcon::Mode, QIcon::State> state = itIndex.next().key();
        const PropertySheetPixmapValue pixmap = paths.value(state);
        const int index = itIndex.value();

        QIcon pixmapIcon = QIcon(icon.pixmap(16, 16, state.first, state.second));
        if (pixmapIcon.isNull())
            pixmapIcon = m_emptyIcon;
        m_stateComboBox->setItemIcon(index, pixmapIcon);
        QFont font = q_ptr->font();
        if (!pixmap.path().isEmpty())
            font.setBold(true);
        m_stateComboBox->setItemData(index, font, Qt::FontRole);
    }

    QPair<QIcon::Mode, QIcon::State> state = m_indexToState.value(m_stateComboBox->currentIndex());
    PropertySheetPixmapValue currentPixmap = paths.value(state);
    m_resetAction->setEnabled(!currentPixmap.path().isEmpty());
    m_resetAllAction->setEnabled(!paths.isEmpty());
    m_stateComboBox->update();
}

void IconSelectorPrivate::slotStateActivated()
{
    slotUpdate();
}

void IconSelectorPrivate::slotSetActivated()
{
    QPair<QIcon::Mode, QIcon::State> state = m_indexToState.value(m_stateComboBox->currentIndex());
    const PropertySheetPixmapValue pixmap = m_icon.pixmap(state.first, state.second);
    // Default to resource
    const PropertySheetPixmapValue::PixmapSource ps = pixmap.path().isEmpty() ? PropertySheetPixmapValue::ResourcePixmap : pixmap.pixmapSource(m_core);
    switch (ps) {
    case PropertySheetPixmapValue::LanguageResourcePixmap:
    case PropertySheetPixmapValue::ResourcePixmap:
        slotSetResourceActivated();
        break;
    case PropertySheetPixmapValue::FilePixmap:
        slotSetFileActivated();
        break;
    }
}

// Choose a pixmap from resource; use language-dependent resource browser if present
QString IconSelector::choosePixmapResource(QDesignerFormEditorInterface *core, QtResourceModel *resourceModel, const QString &oldPath, QWidget *parent)
{
    Q_UNUSED(resourceModel)
    QString rc;

    if (LanguageResourceDialog* ldlg = LanguageResourceDialog::create(core, parent)) {
        ldlg->setCurrentPath(oldPath);
        if (ldlg->exec() == QDialog::Accepted)
            rc = ldlg->currentPath();
        delete ldlg;
    } else {
        QtResourceViewDialog dlg(core, parent);

        QDesignerIntegration *designerIntegration = qobject_cast<QDesignerIntegration *>(core->integration());
        if (designerIntegration)
            dlg.setResourceEditingEnabled(designerIntegration->isResourceEditingEnabled());

        dlg.selectResource(oldPath);
        if (dlg.exec() == QDialog::Accepted)
            rc = dlg.selectedResource();
    }
    return rc;
}

void IconSelectorPrivate::slotSetResourceActivated()
{
    const QPair<QIcon::Mode, QIcon::State> state = m_indexToState.value(m_stateComboBox->currentIndex());

    PropertySheetPixmapValue pixmap = m_icon.pixmap(state.first, state.second);
    const QString oldPath = pixmap.path();
    const QString newPath = IconSelector::choosePixmapResource(m_core, m_resourceModel, oldPath, q_ptr);
    if (newPath.isEmpty() || newPath == oldPath)
        return;
    const PropertySheetPixmapValue newPixmap = PropertySheetPixmapValue(newPath);
    if (newPixmap != pixmap) {
        m_icon.setPixmap(state.first, state.second, newPixmap);
        slotUpdate();
        emit q_ptr->iconChanged(m_icon);
    }
}

// Helpers for choosing image files: Check for valid image.
bool IconSelector::checkPixmap(const QString &fileName, CheckMode cm, QString *errorMessage)
{
    const QFileInfo fi(fileName);
    if (!fi.exists() || !fi.isFile() || !fi.isReadable()) {
        if (errorMessage)
            *errorMessage = tr("The pixmap file '%1' cannot be read.").arg(fileName);
        return false;
    }
    QImageReader reader(fileName);
    if (!reader.canRead()) {
        if (errorMessage)
            *errorMessage = tr("The file '%1' does not appear to be a valid pixmap file: %2").arg(fileName).arg(reader.errorString());
        return false;
    }
    if (cm == CheckFast)
        return true;

    const QImage image = reader.read();
    if (image.isNull()) {
        if (errorMessage)
            *errorMessage = tr("The file '%1' could not be read: %2").arg(fileName).arg(reader.errorString());
        return false;
    }
    return true;
}

// Helpers for choosing image files: Return an image filter for QFileDialog, courtesy of StyledButton
static QString imageFilter()
{
    QString filter = QApplication::translate("IconSelector", "All Pixmaps (");
    const QList<QByteArray> supportedImageFormats = QImageReader::supportedImageFormats();
    const QString jpeg = QLatin1String("JPEG");
    const int count = supportedImageFormats.count();
    for (int i = 0; i< count; ++i) {
        if (i)
            filter += QLatin1Char(' ');
        filter += QLatin1String("*.");
        const QString outputFormat = QString::fromUtf8(supportedImageFormats.at(i));
        if (outputFormat != jpeg)
            filter += outputFormat.toLower();
        else
            filter += QLatin1String("jpg *.jpeg");
    }
    filter += QLatin1Char(')');
    return filter;
}

// Helpers for choosing image files: Choose a file
QString IconSelector::choosePixmapFile(const QString &directory, QDesignerDialogGuiInterface *dlgGui,QWidget *parent)
{
    QString errorMessage;
    QString newPath;
    do {
        const QString title = tr("Choose a Pixmap");
        static const  QString filter = imageFilter();
        newPath =  dlgGui->getOpenImageFileName(parent, title, directory, filter);
        if (newPath.isEmpty())
            break;
        if (checkPixmap(newPath, CheckFully, &errorMessage))
            break;
        dlgGui->message(parent, QDesignerDialogGuiInterface::ResourceEditorMessage, QMessageBox::Warning, tr("Pixmap Read Error"), errorMessage);
    } while(true);
    return  newPath;
}

void IconSelectorPrivate::slotSetFileActivated()
{
    QPair<QIcon::Mode, QIcon::State> state = m_indexToState.value(m_stateComboBox->currentIndex());

    PropertySheetPixmapValue pixmap = m_icon.pixmap(state.first, state.second);
    const QString newPath = IconSelector::choosePixmapFile(pixmap.path(), m_core->dialogGui(), q_ptr);
    if (!newPath.isEmpty()) {
        const PropertySheetPixmapValue newPixmap = PropertySheetPixmapValue(newPath);
        if (!(newPixmap == pixmap)) {
            m_icon.setPixmap(state.first, state.second, newPixmap);
            slotUpdate();
            emit q_ptr->iconChanged(m_icon);
        }
    }
}

void IconSelectorPrivate::slotResetActivated()
{
    QPair<QIcon::Mode, QIcon::State> state = m_indexToState.value(m_stateComboBox->currentIndex());

    PropertySheetPixmapValue pixmap = m_icon.pixmap(state.first, state.second);
    const PropertySheetPixmapValue newPixmap;
    if (!(newPixmap == pixmap)) {
        m_icon.setPixmap(state.first, state.second, newPixmap);
        slotUpdate();
        emit q_ptr->iconChanged(m_icon);
    }
}

void IconSelectorPrivate::slotResetAllActivated()
{
    const PropertySheetIconValue newIcon;
    if (!(m_icon == newIcon)) {
        m_icon = newIcon;
        slotUpdate();
        emit q_ptr->iconChanged(m_icon);
    }
}

// ------------- IconSelector
IconSelector::IconSelector(QWidget *parent) :
    QWidget(parent)
{
    d_ptr = new IconSelectorPrivate();
    d_ptr->q_ptr = this;

    d_ptr->m_stateComboBox = new QComboBox(this);

    QHBoxLayout *l = new QHBoxLayout(this);
    d_ptr->m_iconButton = new QToolButton(this);
    d_ptr->m_iconButton->setText(tr("..."));
    d_ptr->m_iconButton->setPopupMode(QToolButton::MenuButtonPopup);
    l->addWidget(d_ptr->m_stateComboBox);
    l->addWidget(d_ptr->m_iconButton);
    l->setMargin(0);

    d_ptr->m_stateToName << qMakePair(qMakePair(QIcon::Normal,   QIcon::Off), tr("Normal Off")   );
    d_ptr->m_stateToName << qMakePair(qMakePair(QIcon::Normal,   QIcon::On),  tr("Normal On")    );
    d_ptr->m_stateToName << qMakePair(qMakePair(QIcon::Disabled, QIcon::Off), tr("Disabled Off") );
    d_ptr->m_stateToName << qMakePair(qMakePair(QIcon::Disabled, QIcon::On),  tr("Disabled On")  );
    d_ptr->m_stateToName << qMakePair(qMakePair(QIcon::Active,   QIcon::Off), tr("Active Off")   );
    d_ptr->m_stateToName << qMakePair(qMakePair(QIcon::Active,   QIcon::On),  tr("Active On")    );
    d_ptr->m_stateToName << qMakePair(qMakePair(QIcon::Selected, QIcon::Off), tr("Selected Off") );
    d_ptr->m_stateToName << qMakePair(qMakePair(QIcon::Selected, QIcon::On),  tr("Selected On")  );

    QImage img(16, 16, QImage::Format_ARGB32_Premultiplied);
    img.fill(0);
    d_ptr->m_emptyIcon = QIcon(QPixmap::fromImage(img));

    QMenu *setMenu = new QMenu(this);

    QAction *setResourceAction = new QAction(tr("Choose Resource..."), this);
    QAction *setFileAction = new QAction(tr("Choose File..."), this);
    d_ptr->m_resetAction = new QAction(tr("Reset"), this);
    d_ptr->m_resetAllAction = new QAction(tr("Reset All"), this);
    d_ptr->m_resetAction->setEnabled(false);
    d_ptr->m_resetAllAction->setEnabled(false);
    //d_ptr->m_resetAction->setIcon(createIconSet(QString::fromUtf8("resetproperty.png")));

    setMenu->addAction(setResourceAction);
    setMenu->addAction(setFileAction);
    setMenu->addSeparator();
    setMenu->addAction(d_ptr->m_resetAction);
    setMenu->addAction(d_ptr->m_resetAllAction);

    int index = 0;
    QStringList items;
    QListIterator<QPair<QPair<QIcon::Mode, QIcon::State>, QString> > itName(d_ptr->m_stateToName);
    while (itName.hasNext()) {
        QPair<QPair<QIcon::Mode, QIcon::State>, QString> item = itName.next();
        const QPair<QIcon::Mode, QIcon::State> state = item.first;
        const QString name = item.second;

        items.append(name);
        d_ptr->m_stateToIndex[state] = index;
        d_ptr->m_indexToState[index] = state;
        index++;
    }
    d_ptr->m_stateComboBox->addItems(items);

    d_ptr->m_iconButton->setMenu(setMenu);

    connect(d_ptr->m_stateComboBox, SIGNAL(activated(int)), this, SLOT(slotStateActivated()));
    connect(d_ptr->m_iconButton, SIGNAL(clicked()), this, SLOT(slotSetActivated()));
    connect(setResourceAction, SIGNAL(triggered()), this, SLOT(slotSetResourceActivated()));
    connect(setFileAction, SIGNAL(triggered()), this, SLOT(slotSetFileActivated()));
    connect(d_ptr->m_resetAction, SIGNAL(triggered()), this, SLOT(slotResetActivated()));
    connect(d_ptr->m_resetAllAction, SIGNAL(triggered()), this, SLOT(slotResetAllActivated()));

    d_ptr->slotUpdate();
}

IconSelector::~IconSelector()
{
    delete d_ptr;
}

void IconSelector::setIcon(const PropertySheetIconValue &icon)
{
    if (d_ptr->m_icon == icon)
        return;

    d_ptr->m_icon = icon;
    d_ptr->slotUpdate();
}

PropertySheetIconValue IconSelector::icon() const
{
    return d_ptr->m_icon;
}

void IconSelector::setFormEditor(QDesignerFormEditorInterface *core)
{
    d_ptr->m_core = core;
    d_ptr->m_resourceModel = core->resourceModel();
    d_ptr->slotUpdate();
}

void IconSelector::setIconCache(DesignerIconCache *iconCache)
{
    d_ptr->m_iconCache = iconCache;
    connect(iconCache, SIGNAL(reloaded()), this, SLOT(slotUpdate()));
    d_ptr->slotUpdate();
}

void IconSelector::setPixmapCache(DesignerPixmapCache *pixmapCache)
{
    d_ptr->m_pixmapCache = pixmapCache;
    connect(pixmapCache, SIGNAL(reloaded()), this, SLOT(slotUpdate()));
    d_ptr->slotUpdate();
}

} // qdesigner_internal

QT_END_NAMESPACE

#include "moc_iconselector_p.cpp"