Mercurial > projects > qtd

comparison demos/browser/modelmenu.d @ 94:87bb4e622f9e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
more porting
author mandel
date Thu, 28 May 2009 22:11:52 +0000
parents 0654fc9bac95
children
comparison
equal deleted inserted replaced
93:55fd7080c4b9 94:87bb4e622f9e
42 42
43 43
44 import qt.gui.QMenu; 44 import qt.gui.QMenu;
45 import qt.core.QAbstractItemModel; 45 import qt.core.QAbstractItemModel;
46 46
47 import qt.core.QAbstractItemModel; 47 import qt.core.QPersistentModelIndex;
48 import qdebug; 48 //import qdebug;
49 49
50 50
51 // A QMenu that is dynamically populated from a QAbstractItemModel 51 // A QMenu that is dynamically populated from a QAbstractItemModel
52 class ModelMenu : public QMenu 52 class ModelMenu : public QMenu
53 { 53 {
54 54
55 mixin Signal!("activated", QModelIndex /*index*/); 55 mixin Signal!("activated", QModelIndex /*index*/);
56 mixin Signal!("hovered", string /*text*/); 56 mixin Signal!("linkHovered", string /*text*/);
57 57
58 public: 58 public:
59 59
60 this(QWidget parent = null) 60 this(QWidget parent = null)
61 { 61 {
158 string title = parent.data().toString(); 158 string title = parent.data().toString();
159 menu = new QMenu(title, this); 159 menu = new QMenu(title, this);
160 QIcon icon = cast(QIcon) parent.data(Qt.DecorationRole); 160 QIcon icon = cast(QIcon) parent.data(Qt.DecorationRole);
161 menu.setIcon(icon); 161 menu.setIcon(icon);
162 parentMenu.addMenu(menu); 162 parentMenu.addMenu(menu);
163 QVariant v; 163 auto v = new QVariant;
164 v.setValue(parent); 164 v.setValue(parent);
165 menu.menuAction().setData(v); 165 menu.menuAction().setData(v);
166 connect(menu, SIGNAL(aboutToShow()), this, SLOT(aboutToShow())); 166 menu.aboutToShow.connect(&this.aboutToShow);
167 return; 167 return;
168 } 168 }
169 169
170 int end = m_model.rowCount(parent); 170 int end = m_model.rowCount(parent);
171 if (max != -1) 171 if (max != -1)
172 end = qMin(max, end); 172 end = qMin(max, end);
173 173
174 menu.triggered.connect(&this.triggered); 174 menu.triggered.connect(&this.triggered);
175 menu.hovered.connect(&this.hovered); 175 menu.linkHovered.connect(&this.linkHovered);
176 176
177 for (int i = 0; i < end; ++i) { 177 for (int i = 0; i < end; ++i) {
178 QModelIndex idx = m_model.index(i, 0, parent); 178 QModelIndex idx = m_model.index(i, 0, parent);
179 if (m_model.hasChildren(idx)) { 179 if (m_model.hasChildren(idx)) {
180 createMenu(idx, -1, menu); 180 createMenu(idx, -1, menu);
220 QModelIndex idx = cast(QModelIndex) v; 220 QModelIndex idx = cast(QModelIndex) v;
221 activated.emit(idx); 221 activated.emit(idx);
222 } 222 }
223 } 223 }
224 224
225 void hovered(QAction action) 225 void linkHovered(QAction action)
226 { 226 {
227 QVariant v = action.data(); 227 QVariant v = action.data();
228 if (v.canConvert!(QModelIndex)()) { 228 if (v.canConvert!(QModelIndex)()) {
229 QModelIndex idx = cast(QModelIndex) v; 229 QModelIndex idx = cast(QModelIndex) v;
230 string hoveredString = idx.data(m_hoverRole).toString(); 230 string hoveredString = idx.data(m_hoverRole).toString();
231 if (!hoveredString.isEmpty()) 231 if (!hoveredString.isEmpty())
232 hovered.emit(hoveredString); 232 linkHovered.emit(hoveredString);
233 } 233 }
234 } 234 }
235 235
236 private: 236 private:
237 237
238 QAction makeAction(QModelIndex index) 238 QAction makeAction(QModelIndex index)
239 { 239 {
240 QIcon icon = cast(QIcon) index.data(Qt.DecorationRole); 240 QIcon icon = cast(QIcon) index.data(Qt.DecorationRole);
241 QAction action = makeAction(icon, index.data().toString(), this); 241 QAction action = makeAction(icon, index.data().toString(), this);
242 QVariant v; 242 auto v = new QVariant;
243 v.setValue(index); 243 v.setValue(index);
244 action.setData(v); 244 action.setData(v);
245 return action; 245 return action;
246 } 246 }
247 247