summaryrefslogtreecommitdiffstats
path: root/tools/designer/src/components/taskmenu/containerwidget_taskmenu.cpp
blob: 14385bac37dc39384be8b998befd602508b49a99 (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
/****************************************************************************
**
** 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 "containerwidget_taskmenu.h"

#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerFormWindowInterface>
#include <QtDesigner/QExtensionManager>
#include <QtDesigner/QDesignerContainerExtension>

#include <qdesigner_command_p.h>
#include <qdesigner_dockwidget_p.h>
#include <promotiontaskmenu_p.h>
#include <widgetdatabase_p.h>

#include <QtGui/QAction>
#include <QtGui/QMainWindow>
#include <QtGui/QToolBox>
#include <QtGui/QStackedWidget>
#include <QtGui/QTabWidget>
#include <QtGui/QScrollArea>
#include <QtGui/QMdiArea>
#include <QtGui/QWorkspace>
#include <QtGui/QWizard>
#include <QtGui/QMenu>

#include <QtCore/qdebug.h>

QT_BEGIN_NAMESPACE

namespace qdesigner_internal {

ContainerWidgetTaskMenu::ContainerWidgetTaskMenu(QWidget *widget, ContainerType type, QObject *parent) :
    QDesignerTaskMenu(widget, parent),
    m_type(type),
    m_containerWidget(widget),
    m_core(formWindow()->core()),
    m_pagePromotionTaskMenu(new PromotionTaskMenu(0, PromotionTaskMenu::ModeSingleWidget, this)),
    m_pageMenuAction(new QAction(this)),
    m_pageMenu(new QMenu),
    m_actionDeletePage(new QAction(tr("Delete"), this))
{
    Q_ASSERT(m_core);
    m_taskActions.append(createSeparator());

    connect(m_actionDeletePage, SIGNAL(triggered()), this, SLOT(removeCurrentPage()));

    QAction *actionInsertPageAfter = new QAction(this);
    connect(actionInsertPageAfter, SIGNAL(triggered()), this, SLOT(addPageAfter()));
    // Empty Per-Page submenu, deletion and promotion. Updated on demand due to promotion state
    switch (m_type) {
    case WizardContainer:
    case PageContainer:
        m_taskActions.append(createSeparator()); // for the browse actions
        break;
    case MdiContainer:
        break;
    }
    // submenu
    m_pageMenuAction->setMenu(m_pageMenu);
    m_taskActions.append(m_pageMenuAction);
    // Insertion
    switch (m_type) {
    case WizardContainer:
    case PageContainer: { // Before and after in a submenu
        QAction *insertMenuAction = new QAction(tr("Insert"), this);
        QMenu *insertMenu = new QMenu;
        // before
        QAction *actionInsertPage = new QAction(tr("Insert Page Before Current Page"), this);
        connect(actionInsertPage, SIGNAL(triggered()), this, SLOT(addPage()));
        insertMenu->addAction(actionInsertPage);
        // after
        actionInsertPageAfter->setText(tr("Insert Page After Current Page"));
        insertMenu->addAction(actionInsertPageAfter);

        insertMenuAction->setMenu(insertMenu);
        m_taskActions.append(insertMenuAction);
    }
        break;
    case MdiContainer: // No concept of order
        actionInsertPageAfter->setText(tr("Add Subwindow"));
        m_taskActions.append(actionInsertPageAfter);
        break;
    }
}

ContainerWidgetTaskMenu::~ContainerWidgetTaskMenu()
{
}

QAction *ContainerWidgetTaskMenu::preferredEditAction() const
{
    return 0;
}

bool ContainerWidgetTaskMenu::canDeletePage() const
{
    switch (pageCount()) {
    case 0:
        return false;
    case 1:
        return m_type != PageContainer; // Do not delete last page of page-type container
    default:
        break;
    }
    return true;
}

int ContainerWidgetTaskMenu::pageCount() const
{
    if (const QDesignerContainerExtension *ce = containerExtension())
        return ce->count();
    return 0;
}

QString ContainerWidgetTaskMenu::pageMenuText(ContainerType ct, int index, int count)
{
    if (ct == MdiContainer)
        return tr("Subwindow"); // No concept of order, same text everywhere
    if (index < 0)
        return tr("Page");
    return tr("Page %1 of %2").arg(index + 1).arg(count);
}

QList<QAction*> ContainerWidgetTaskMenu::taskActions() const
{
    QList<QAction*> actions = QDesignerTaskMenu::taskActions();
    actions += m_taskActions;
    // Update the page submenu, deletion and promotion. Updated on demand due to promotion state.
    m_pageMenu->clear();
    m_pageMenu->addAction(m_actionDeletePage);
    m_actionDeletePage->setEnabled(canDeletePage());
    const QDesignerContainerExtension *ce = containerExtension();
    const int index = ce->currentIndex();
    m_pageMenuAction->setText(pageMenuText(m_type, index, ce->count()));
    if (index != -1) { // Has a page
        m_pageMenuAction->setEnabled(true);
        m_pagePromotionTaskMenu->setWidget(ce->widget(index));
        m_pagePromotionTaskMenu->addActions(PromotionTaskMenu::LeadingSeparator|PromotionTaskMenu::SuppressGlobalEdit, m_pageMenu);
    } else { // No page
        m_pageMenuAction->setEnabled(false);
    }

    return actions;
}

QDesignerFormWindowInterface *ContainerWidgetTaskMenu::formWindow() const
{
    return QDesignerFormWindowInterface::findFormWindow(m_containerWidget);
}

QDesignerContainerExtension *ContainerWidgetTaskMenu::containerExtension() const
{
    QExtensionManager *mgr = m_core->extensionManager();
    return qt_extension<QDesignerContainerExtension*>(mgr, m_containerWidget);
}

void ContainerWidgetTaskMenu::removeCurrentPage()
{
    if (QDesignerContainerExtension *c = containerExtension()) {
        if (c->currentIndex() == -1)
            return;

        QDesignerFormWindowInterface *fw = formWindow();
        DeleteContainerWidgetPageCommand *cmd = new DeleteContainerWidgetPageCommand(fw);
        cmd->init(m_containerWidget, m_type);
        fw->commandHistory()->push(cmd);
    }
}

void ContainerWidgetTaskMenu::addPage()
{
    if (containerExtension()) {
        QDesignerFormWindowInterface *fw = formWindow();
        AddContainerWidgetPageCommand *cmd = new AddContainerWidgetPageCommand(fw);
        cmd->init(m_containerWidget, m_type, AddContainerWidgetPageCommand::InsertBefore);
        fw->commandHistory()->push(cmd);
    }
}

void ContainerWidgetTaskMenu::addPageAfter()
{
    if (containerExtension()) {
        QDesignerFormWindowInterface *fw = formWindow();
        AddContainerWidgetPageCommand *cmd = new AddContainerWidgetPageCommand(fw);
        cmd->init(m_containerWidget, m_type, AddContainerWidgetPageCommand::InsertAfter);
        fw->commandHistory()->push(cmd);
    }
}

// -------------- WizardContainerWidgetTaskMenu
WizardContainerWidgetTaskMenu::WizardContainerWidgetTaskMenu(QWizard *w, QObject *parent) :
    ContainerWidgetTaskMenu(w, WizardContainer, parent),
    m_nextAction(new QAction(tr("Next"), this)),
    m_previousAction(new QAction(tr("Back"), this))
{
    connect(m_nextAction, SIGNAL(triggered()), w, SLOT(next()));
    connect(m_previousAction, SIGNAL(triggered()), w, SLOT(back()));
    QList<QAction*> &l = containerActions();
    l.push_front(createSeparator());
    l.push_front(m_nextAction);
    l.push_front(m_previousAction);
    l.push_front(createSeparator());
}

QList<QAction*> WizardContainerWidgetTaskMenu::taskActions() const
{
    // Enable
    const QDesignerContainerExtension *ce = containerExtension();
    const int index = ce->currentIndex();
    m_previousAction->setEnabled(index > 0);
    m_nextAction->setEnabled(index >= 0 && index < (ce->count() - 1));
    return ContainerWidgetTaskMenu::taskActions();
}

// -------------- MdiContainerWidgetTaskMenu

MdiContainerWidgetTaskMenu::MdiContainerWidgetTaskMenu(QMdiArea *m, QObject *parent) :
    ContainerWidgetTaskMenu(m, MdiContainer, parent)
{
    initializeActions();
    connect(m_nextAction, SIGNAL(triggered()), m, SLOT( activateNextSubWindow ()));
    connect(m_previousAction, SIGNAL(triggered()), m , SLOT(activatePreviousSubWindow()));
    connect(m_tileAction, SIGNAL(triggered()), m, SLOT(tileSubWindows()));
    connect(m_cascadeAction, SIGNAL(triggered()), m, SLOT(cascadeSubWindows ()));
}

MdiContainerWidgetTaskMenu::MdiContainerWidgetTaskMenu(QWorkspace *m, QObject *parent) :
    ContainerWidgetTaskMenu(m, MdiContainer, parent)
{
    initializeActions();
    connect(m_nextAction, SIGNAL(triggered()), m, SLOT(activateNextWindow()));
    connect(m_previousAction, SIGNAL(triggered()), m, SLOT(activatePreviousWindow()));
    connect(m_tileAction, SIGNAL(triggered()),m , SLOT(tile()));
    connect(m_cascadeAction, SIGNAL(triggered()), m, SLOT(cascade()));
}

void MdiContainerWidgetTaskMenu::initializeActions()
{
    m_nextAction =new QAction(tr("Next Subwindow"), this);
    m_previousAction = new QAction(tr("Previous Subwindow"), this);
    m_tileAction = new QAction(tr("Tile"), this);
    m_cascadeAction = new QAction(tr("Cascade"), this);

    QList<QAction*> &l = containerActions();
    l.push_front(createSeparator());
    l.push_front(m_tileAction);
    l.push_front(m_cascadeAction);
    l.push_front(m_previousAction);
    l.push_front(m_nextAction);
    l.push_front(createSeparator());
}

QList<QAction*> MdiContainerWidgetTaskMenu::taskActions() const
{
    const QList<QAction*> rc = ContainerWidgetTaskMenu::taskActions();
    // Enable
    const int count = pageCount();
    m_nextAction->setEnabled(count > 1);
    m_previousAction->setEnabled(count > 1);
    m_tileAction->setEnabled(count);
    m_cascadeAction->setEnabled(count);
    return rc;
}

// --------------  ContainerWidgetTaskMenuFactory

ContainerWidgetTaskMenuFactory::ContainerWidgetTaskMenuFactory(QDesignerFormEditorInterface *core, QExtensionManager *extensionManager) :
    QExtensionFactory(extensionManager),
    m_core(core)
{
}

QObject *ContainerWidgetTaskMenuFactory::createExtension(QObject *object, const QString &iid, QObject *parent) const
{
    if (iid != QLatin1String("QDesignerInternalTaskMenuExtension") || !object->isWidgetType())
        return 0;

    QWidget *widget = qobject_cast<QWidget*>(object);

    if (qobject_cast<QStackedWidget*>(widget)
            || qobject_cast<QToolBox*>(widget)
            || qobject_cast<QTabWidget*>(widget)
            || qobject_cast<QDesignerDockWidget*>(widget)
            || qobject_cast<QScrollArea*>(widget)
            || qobject_cast<QMainWindow*>(widget)) {
        // Are we using Designer's own container extensions and task menus or did
        // someone provide an extra one with an addpage method, for example for a QScrollArea?
        if (const WidgetDataBase *wb = qobject_cast<const WidgetDataBase *>(m_core->widgetDataBase())) {
            const int idx = wb->indexOfObject(widget);
            const WidgetDataBaseItem *item = static_cast<const WidgetDataBaseItem *>(wb->item(idx));
            if (item->addPageMethod().isEmpty())
                return 0;
        }
    }

    if (qt_extension<QDesignerContainerExtension*>(extensionManager(), object) == 0)
        return 0;

    if (QMdiArea* ma = qobject_cast<QMdiArea*>(widget))
        return new MdiContainerWidgetTaskMenu(ma, parent);
    if (QWorkspace *ws = qobject_cast<QWorkspace*>(widget))
        return new MdiContainerWidgetTaskMenu(ws, parent);
    if (QWizard *wz = qobject_cast<QWizard *>(widget))
        return new WizardContainerWidgetTaskMenu(wz, parent);
    return new ContainerWidgetTaskMenu(widget, PageContainer, parent);
}

}
QT_END_NAMESPACE