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41
42 #include "qtgradientview.h"
43 #include "qtgradientmanager.h"
44 #include "qtgradientdialog.h"
45 #include "qtgradientutils.h"
46 #include <QtGui/QPainter>
47 #include <QtGui/QMessageBox>
48 #include <QtGui/QClipboard>
49
50 QT_BEGIN_NAMESPACE
51
slotGradientAdded(const QString & id,const QGradient & gradient)52 void QtGradientView::slotGradientAdded(const QString &id, const QGradient &gradient)
53 {
54 QListWidgetItem *item = new QListWidgetItem(QtGradientUtils::gradientPixmap(gradient), id, m_ui.listWidget);
55 item->setToolTip(id);
56 item->setSizeHint(QSize(72, 84));
57 item->setFlags(item->flags() | Qt::ItemIsEditable);
58
59 m_idToItem[id] = item;
60 m_itemToId[item] = id;
61 }
62
slotGradientRenamed(const QString & id,const QString & newId)63 void QtGradientView::slotGradientRenamed(const QString &id, const QString &newId)
64 {
65 if (!m_idToItem.contains(id))
66 return;
67
68 QListWidgetItem *item = m_idToItem.value(id);
69 item->setText(newId);
70 item->setToolTip(newId);
71 m_itemToId[item] = newId;
72 m_idToItem.remove(id);
73 m_idToItem[newId] = item;
74 }
75
slotGradientChanged(const QString & id,const QGradient & newGradient)76 void QtGradientView::slotGradientChanged(const QString &id, const QGradient &newGradient)
77 {
78 if (!m_idToItem.contains(id))
79 return;
80
81 QListWidgetItem *item = m_idToItem.value(id);
82 item->setIcon(QtGradientUtils::gradientPixmap(newGradient));
83 }
84
slotGradientRemoved(const QString & id)85 void QtGradientView::slotGradientRemoved(const QString &id)
86 {
87 if (!m_idToItem.contains(id))
88 return;
89
90 QListWidgetItem *item = m_idToItem.value(id);
91 delete item;
92 m_itemToId.remove(item);
93 m_idToItem.remove(id);
94 }
95
slotNewGradient()96 void QtGradientView::slotNewGradient()
97 {
98 bool ok;
99 QListWidgetItem *item = m_ui.listWidget->currentItem();
100 QGradient grad = QLinearGradient();
101 if (item)
102 grad = m_manager->gradients().value(m_itemToId.value(item));
103 QGradient gradient = QtGradientDialog::getGradient(&ok, grad, this);
104 if (!ok)
105 return;
106
107 QString id = m_manager->addGradient(tr("Grad"), gradient);
108 m_ui.listWidget->setCurrentItem(m_idToItem.value(id));
109 }
110
slotEditGradient()111 void QtGradientView::slotEditGradient()
112 {
113 bool ok;
114 QListWidgetItem *item = m_ui.listWidget->currentItem();
115 if (!item)
116 return;
117
118 const QString id = m_itemToId.value(item);
119 QGradient grad = m_manager->gradients().value(id);
120 QGradient gradient = QtGradientDialog::getGradient(&ok, grad, this);
121 if (!ok)
122 return;
123
124 m_manager->changeGradient(id, gradient);
125 }
126
slotRemoveGradient()127 void QtGradientView::slotRemoveGradient()
128 {
129 QListWidgetItem *item = m_ui.listWidget->currentItem();
130 if (!item)
131 return;
132
133 if (QMessageBox::question(this, tr("Remove Gradient"),
134 tr("Are you sure you want to remove the selected gradient?"),
135 QMessageBox::Yes | QMessageBox::Cancel, QMessageBox::Cancel) != QMessageBox::Yes)
136 return;
137
138 const QString id = m_itemToId.value(item);
139 m_manager->removeGradient(id);
140 }
141
slotRenameGradient()142 void QtGradientView::slotRenameGradient()
143 {
144 QListWidgetItem *item = m_ui.listWidget->currentItem();
145 if (!item)
146 return;
147
148 m_ui.listWidget->editItem(item);
149 }
150
slotRenameGradient(QListWidgetItem * item)151 void QtGradientView::slotRenameGradient(QListWidgetItem *item)
152 {
153 if (!item)
154 return;
155
156 const QString id = m_itemToId.value(item);
157 m_manager->renameGradient(id, item->text());
158 }
159
slotCurrentItemChanged(QListWidgetItem * item)160 void QtGradientView::slotCurrentItemChanged(QListWidgetItem *item)
161 {
162 m_editAction->setEnabled(item);
163 m_renameAction->setEnabled(item);
164 m_removeAction->setEnabled(item);
165 emit currentGradientChanged(m_itemToId.value(item));
166 }
167
slotGradientActivated(QListWidgetItem * item)168 void QtGradientView::slotGradientActivated(QListWidgetItem *item)
169 {
170 const QString id = m_itemToId.value(item);
171 if (!id.isEmpty())
172 emit gradientActivated(id);
173 }
174
QtGradientView(QWidget * parent)175 QtGradientView::QtGradientView(QWidget *parent)
176 : QWidget(parent)
177 {
178 m_manager = 0;
179
180 m_ui.setupUi(this);
181
182 m_ui.listWidget->setViewMode(QListView::IconMode);
183 m_ui.listWidget->setMovement(QListView::Static);
184 m_ui.listWidget->setTextElideMode(Qt::ElideRight);
185 m_ui.listWidget->setResizeMode(QListWidget::Adjust);
186 m_ui.listWidget->setIconSize(QSize(64, 64));
187 m_ui.listWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
188
189 QPalette pal = m_ui.listWidget->viewport()->palette();
190 int pixSize = 18;
191 QPixmap pm(2 * pixSize, 2 * pixSize);
192
193 QColor c1 = palette().color(QPalette::Midlight);
194 QColor c2 = palette().color(QPalette::Dark);
195 QPainter pmp(&pm);
196 pmp.fillRect(0, 0, pixSize, pixSize, c1);
197 pmp.fillRect(pixSize, pixSize, pixSize, pixSize, c1);
198 pmp.fillRect(0, pixSize, pixSize, pixSize, c2);
199 pmp.fillRect(pixSize, 0, pixSize, pixSize, c2);
200
201 pal.setBrush(QPalette::Base, QBrush(pm));
202 m_ui.listWidget->viewport()->setPalette(pal);
203
204 connect(m_ui.listWidget, SIGNAL(itemDoubleClicked(QListWidgetItem*)), this, SLOT(slotGradientActivated(QListWidgetItem*)));
205 connect(m_ui.listWidget, SIGNAL(itemChanged(QListWidgetItem*)), this, SLOT(slotRenameGradient(QListWidgetItem*)));
206 connect(m_ui.listWidget, SIGNAL(currentItemChanged(QListWidgetItem*,QListWidgetItem*)), this, SLOT(slotCurrentItemChanged(QListWidgetItem*)));
207
208 m_newAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/plus.png")), tr("New..."), this);
209 m_editAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/edit.png")), tr("Edit..."), this);
210 m_renameAction = new QAction(tr("Rename"), this);
211 m_removeAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/minus.png")), tr("Remove"), this);
212
213 connect(m_newAction, SIGNAL(triggered()), this, SLOT(slotNewGradient()));
214 connect(m_editAction, SIGNAL(triggered()), this, SLOT(slotEditGradient()));
215 connect(m_removeAction, SIGNAL(triggered()), this, SLOT(slotRemoveGradient()));
216 connect(m_renameAction, SIGNAL(triggered()), this, SLOT(slotRenameGradient()));
217
218 m_ui.listWidget->addAction(m_newAction);
219 m_ui.listWidget->addAction(m_editAction);
220 m_ui.listWidget->addAction(m_renameAction);
221 m_ui.listWidget->addAction(m_removeAction);
222
223 m_ui.newButton->setDefaultAction(m_newAction);
224 m_ui.editButton->setDefaultAction(m_editAction);
225 m_ui.renameButton->setDefaultAction(m_renameAction);
226 m_ui.removeButton->setDefaultAction(m_removeAction);
227
228 m_ui.listWidget->setContextMenuPolicy(Qt::ActionsContextMenu);
229 }
230
setGradientManager(QtGradientManager * manager)231 void QtGradientView::setGradientManager(QtGradientManager *manager)
232 {
233 if (m_manager == manager)
234 return;
235
236 if (m_manager) {
237 disconnect(m_manager, SIGNAL(gradientAdded(QString,QGradient)),
238 this, SLOT(slotGradientAdded(QString,QGradient)));
239 disconnect(m_manager, SIGNAL(gradientRenamed(QString,QString)),
240 this, SLOT(slotGradientRenamed(QString,QString)));
241 disconnect(m_manager, SIGNAL(gradientChanged(QString,QGradient)),
242 this, SLOT(slotGradientChanged(QString,QGradient)));
243 disconnect(m_manager, SIGNAL(gradientRemoved(QString)),
244 this, SLOT(slotGradientRemoved(QString)));
245
246 m_ui.listWidget->clear();
247 m_idToItem.clear();
248 m_itemToId.clear();
249 }
250
251 m_manager = manager;
252
253 if (!m_manager)
254 return;
255
256 QMap<QString, QGradient> gradients = m_manager->gradients();
257 QMapIterator<QString, QGradient> itGrad(gradients);
258 while (itGrad.hasNext()) {
259 itGrad.next();
260 slotGradientAdded(itGrad.key(), itGrad.value());
261 }
262
263 connect(m_manager, SIGNAL(gradientAdded(QString,QGradient)),
264 this, SLOT(slotGradientAdded(QString,QGradient)));
265 connect(m_manager, SIGNAL(gradientRenamed(QString,QString)),
266 this, SLOT(slotGradientRenamed(QString,QString)));
267 connect(m_manager, SIGNAL(gradientChanged(QString,QGradient)),
268 this, SLOT(slotGradientChanged(QString,QGradient)));
269 connect(m_manager, SIGNAL(gradientRemoved(QString)),
270 this, SLOT(slotGradientRemoved(QString)));
271 }
272
gradientManager() const273 QtGradientManager *QtGradientView::gradientManager() const
274 {
275 return m_manager;
276 }
277
setCurrentGradient(const QString & id)278 void QtGradientView::setCurrentGradient(const QString &id)
279 {
280 QListWidgetItem *item = m_idToItem.value(id);
281 if (!item)
282 return;
283
284 m_ui.listWidget->setCurrentItem(item);
285 }
286
currentGradient() const287 QString QtGradientView::currentGradient() const
288 {
289 return m_itemToId.value(m_ui.listWidget->currentItem());
290 }
291
292 QT_END_NAMESPACE
293
