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
|
/****************************************************************************
**
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "filterwidget_p.h"
#include "iconloader_p.h"
#include <QtGui/QVBoxLayout>
#include <QtGui/QHBoxLayout>
#include <QtGui/QPushButton>
#include <QtGui/QLineEdit>
#include <QtGui/QFocusEvent>
#include <QtGui/QPalette>
#include <QtGui/QCursor>
#include <QtCore/QDebug>
enum { debugFilter = 0 };
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
HintLineEdit::HintLineEdit(QWidget *parent) :
QLineEdit(parent),
m_defaultFocusPolicy(focusPolicy()),
m_hintColor(QColor(0xbbbbbb)),
m_refuseFocus(false),
m_showingHintText(false)
{
}
bool HintLineEdit::refuseFocus() const
{
return m_refuseFocus;
}
void HintLineEdit::setRefuseFocus(bool v)
{
if (v == m_refuseFocus)
return;
m_refuseFocus = v;
setFocusPolicy(m_refuseFocus ? Qt::NoFocus : m_defaultFocusPolicy);
}
void HintLineEdit::mousePressEvent(QMouseEvent *e)
{
if (debugFilter)
qDebug() << Q_FUNC_INFO;
// Explicitly focus on click.
if (m_refuseFocus && !hasFocus())
setFocus(Qt::OtherFocusReason);
QLineEdit::mousePressEvent(e);
}
void HintLineEdit::focusInEvent(QFocusEvent *e)
{
if (debugFilter)
qDebug() << Q_FUNC_INFO;
if (m_refuseFocus) {
// Refuse the focus if the mouse it outside. In addition to the mouse
// press logic, this prevents a re-focussing which occurs once
// we actually had focus
const Qt::FocusReason reason = e->reason();
if (reason == Qt::ActiveWindowFocusReason || reason == Qt::PopupFocusReason) {
const QPoint mousePos = mapFromGlobal(QCursor::pos());
const bool refuse = !geometry().contains(mousePos);
if (debugFilter)
qDebug() << Q_FUNC_INFO << refuse ;
if (refuse) {
e->ignore();
return;
}
}
}
hideHintText();
QLineEdit::focusInEvent(e);
}
void HintLineEdit::focusOutEvent(QFocusEvent *e)
{
if (debugFilter)
qDebug() << Q_FUNC_INFO;
// Focus out: Switch to displaying the hint text unless there is user input
showHintText();
QLineEdit::focusOutEvent(e);
}
QString HintLineEdit::hintText() const
{
return m_hintText;
}
void HintLineEdit::setHintText(const QString &ht)
{
if (ht == m_hintText)
return;
hideHintText();
m_hintText = ht;
if (!hasFocus() && !ht.isEmpty())
showHintText();
}
void HintLineEdit::showHintText(bool force)
{
if (m_showingHintText || m_hintText.isEmpty())
return;
if (force || text().isEmpty()) {
m_showingHintText = true;
setText(m_hintText);
setTextColor(m_hintColor, &m_textColor);
}
}
void HintLineEdit::hideHintText()
{
if (m_showingHintText && !m_hintText.isEmpty()) {
m_showingHintText = false;
setText(QString());
setTextColor(m_textColor);
}
}
bool HintLineEdit::isShowingHintText() const
{
return m_showingHintText;
}
QString HintLineEdit::typedText() const
{
return m_showingHintText ? QString() : text();
}
void HintLineEdit::setTextColor(const QColor &newColor, QColor *oldColor)
{
QPalette pal = palette();
if (oldColor)
*oldColor = pal.color(QPalette::Text);
pal.setColor(QPalette::Text, newColor);
setPalette(pal);}
// ------------------- FilterWidget
FilterWidget::FilterWidget(QWidget *parent, LayoutMode lm) :
QWidget(parent),
m_button(new QPushButton),
m_editor(new HintLineEdit)
{
m_editor->setHintText(tr("<Filter>"));
QHBoxLayout *l = new QHBoxLayout(this);
l->setMargin(0);
l->setSpacing(0);
if (lm == LayoutAlignRight)
l->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
l->addWidget(m_editor);
m_button->setIcon(createIconSet(QLatin1String("resetproperty.png")));
m_button->setIconSize(QSize(8, 8));
m_button->setFlat(true);
l->addWidget(m_button);
connect(m_button, SIGNAL(clicked()), this, SLOT(reset()));
connect(m_editor, SIGNAL(textChanged(QString)), this, SLOT(checkButton(QString)));
connect(m_editor, SIGNAL(textEdited(QString)), this, SIGNAL(filterChanged(QString)));
}
QString FilterWidget::text() const
{
return m_editor->typedText();
}
void FilterWidget::checkButton(const QString &)
{
m_button->setEnabled(!text().isEmpty());
}
void FilterWidget::reset()
{
if (debugFilter)
qDebug() << Q_FUNC_INFO;
if (!text().isEmpty()) {
// Editor has lost focus once this is pressed
m_editor->showHintText(true);
emit filterChanged(QString());
}
}
bool FilterWidget::refuseFocus() const
{
return m_editor->refuseFocus();
}
void FilterWidget::setRefuseFocus(bool v)
{
m_editor->setRefuseFocus(v);
}
} // namespace qdesigner_internal
QT_END_NAMESPACE
|