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
|
/****************************************************************************
**
** 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 "qdesigner_command2_p.h"
#include "formwindowbase_p.h"
#include "layoutinfo_p.h"
#include "qdesigner_command_p.h"
#include "widgetfactory_p.h"
#include "qlayout_widget_p.h"
#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerMetaDataBaseInterface>
#include <QtGui/QApplication>
#include <QtGui/QLayout>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
MorphLayoutCommand::MorphLayoutCommand(QDesignerFormWindowInterface *formWindow) :
QDesignerFormWindowCommand(QString(), formWindow),
m_breakLayoutCommand(new BreakLayoutCommand(formWindow)),
m_layoutCommand(new LayoutCommand(formWindow)),
m_newType(LayoutInfo::VBox),
m_layoutBase(0)
{
}
MorphLayoutCommand::~MorphLayoutCommand()
{
delete m_layoutCommand;
delete m_breakLayoutCommand;
}
bool MorphLayoutCommand::init(QWidget *w, int newType)
{
int oldType;
QDesignerFormWindowInterface *fw = formWindow();
if (!canMorph(fw, w, &oldType) || oldType == newType)
return false;
m_layoutBase = w;
m_newType = newType;
// Find all managed widgets
m_widgets.clear();
const QLayout *layout = LayoutInfo::managedLayout(fw->core(), w);
const int count = layout->count();
for (int i = 0; i < count ; i++) {
if (QWidget *w = layout->itemAt(i)->widget())
if (fw->isManaged(w))
m_widgets.push_back(w);
}
const bool reparentLayoutWidget = false; // leave QLayoutWidget intact
m_breakLayoutCommand->init(m_widgets, m_layoutBase, reparentLayoutWidget);
m_layoutCommand->init(m_layoutBase, m_widgets, static_cast<LayoutInfo::Type>(m_newType), m_layoutBase, reparentLayoutWidget);
setText(formatDescription(core(), m_layoutBase, oldType, newType));
return true;
}
bool MorphLayoutCommand::canMorph(const QDesignerFormWindowInterface *formWindow, QWidget *w, int *ptrToCurrentType)
{
if (ptrToCurrentType)
*ptrToCurrentType = LayoutInfo::NoLayout;
// We want a managed widget or a container page
// with a level-0 managed layout
QDesignerFormEditorInterface *core = formWindow->core();
QLayout *layout = LayoutInfo::managedLayout(core, w);
if (!layout)
return false;
const LayoutInfo::Type type = LayoutInfo::layoutType(core, layout);
if (ptrToCurrentType)
*ptrToCurrentType = type;
switch (type) {
case LayoutInfo::HBox:
case LayoutInfo::VBox:
case LayoutInfo::Grid:
case LayoutInfo::Form:
return true;
break;
case LayoutInfo::NoLayout:
case LayoutInfo::HSplitter: // Nothing doing
case LayoutInfo::VSplitter:
case LayoutInfo::UnknownLayout:
break;
}
return false;
}
void MorphLayoutCommand::redo()
{
m_breakLayoutCommand->redo();
m_layoutCommand->redo();
/* Transfer applicable properties which is a cross-section of the modified
* properties except object name. */
if (const LayoutProperties *properties = m_breakLayoutCommand->layoutProperties()) {
const int oldMask = m_breakLayoutCommand->propertyMask();
QLayout *newLayout = LayoutInfo::managedLayout(core(), m_layoutBase);
const int newMask = LayoutProperties::visibleProperties(newLayout);
const int applicableMask = (oldMask & newMask) & ~LayoutProperties::ObjectNameProperty;
if (applicableMask)
properties->toPropertySheet(core(), newLayout, applicableMask);
}
}
void MorphLayoutCommand::undo()
{
m_layoutCommand->undo();
m_breakLayoutCommand->undo();
}
QString MorphLayoutCommand::formatDescription(QDesignerFormEditorInterface * /* core*/, const QWidget *w, int oldType, int newType)
{
const QString oldName = LayoutInfo::layoutName(static_cast<LayoutInfo::Type>(oldType));
const QString newName = LayoutInfo::layoutName(static_cast<LayoutInfo::Type>(newType));
const QString widgetName = qobject_cast<const QLayoutWidget*>(w) ? w->layout()->objectName() : w->objectName();
return QApplication::translate("Command", "Change layout of '%1' from %2 to %3").arg(widgetName, oldName, newName);
}
} // namespace qdesigner_internal
QT_END_NAMESPACE
|
