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comparison demos/browser/modelmenu.d @ 77:0654fc9bac95

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more porting
author mandel
date Sun, 24 May 2009 13:46:32 +0000
parents 37caa90ce503
children 87bb4e622f9e
comparison
equal deleted inserted replaced
76:454e4b4beb59 77:0654fc9bac95
39 ** 39 **
40 ****************************************************************************/ 40 ****************************************************************************/
41 module modelmenu; 41 module modelmenu;
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.QAbstractItemModel;
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", QString /*text*/); 56 mixin Signal!("hovered", string /*text*/);
57 57
58 public: 58 public:
59 59
60 this(QWidget parent = null) 60 this(QWidget parent = null)
61 { 61 {
127 int separatorRole() 127 int separatorRole()
128 { 128 {
129 return m_separatorRole; 129 return m_separatorRole;
130 } 130 }
131 131
132 QAction makeAction(QIcon icon, QString text, QObject parent) 132 QAction makeAction(QIcon icon, string text, QObject parent)
133 { 133 {
134 auto fm = new QFontMetrics(font()); 134 auto fm = new QFontMetrics(font());
135 if (-1 == m_maxWidth) 135 if (-1 == m_maxWidth)
136 m_maxWidth = fm.width(QLatin1Char('m')) * 30; 136 m_maxWidth = fm.width(QLatin1Char('m')) * 30;
137 QString smallText = fm.elidedText(text, Qt.ElideMiddle, m_maxWidth); 137 string smallText = fm.elidedText(text, Qt.ElideMiddle, m_maxWidth);
138 return new QAction(icon, smallText, parent); 138 return new QAction(icon, smallText, parent);
139 } 139 }
140 140
141 protected: 141 protected:
142 142
153 153
154 // put all of the children of parent into menu up to max 154 // put all of the children of parent into menu up to max
155 void createMenu(QModelIndex parent, int max, QMenu parentMenu = null, QMenu menu = null) 155 void createMenu(QModelIndex parent, int max, QMenu parentMenu = null, QMenu menu = null)
156 { 156 {
157 if (!menu) { 157 if (!menu) {
158 QString 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 = qvariant_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 QVariant v;
164 v.setValue(parent); 164 v.setValue(parent);
165 menu.menuAction().setData(v); 165 menu.menuAction().setData(v);
191 191
192 private: 192 private:
193 193
194 void aboutToShow() 194 void aboutToShow()
195 { 195 {
196 if (QMenu menu = qobject_cast<QMenu>(sender())) { 196 if (QMenu menu = cast(QMenu) signalSender()) {
197 QVariant v = menu.menuAction().data(); 197 QVariant v = menu.menuAction().data();
198 if (v.canConvert<QModelIndex>()) { 198 if (v.canConvert!(QModelIndex)()) {
199 QModelIndex idx = qvariant_cast<QModelIndex>(v); 199 QModelIndex idx = cast(QModelIndex) v;
200 createMenu(idx, -1, menu, menu); 200 createMenu(idx, -1, menu, menu);
201 menu.aboutToShow.disconnect(&this.aboutToShow); 201 menu.aboutToShow.disconnect(&this.aboutToShow);
202 return; 202 return;
203 } 203 }
204 } 204 }
214 } 214 }
215 215
216 void triggered(QAction action) 216 void triggered(QAction action)
217 { 217 {
218 QVariant v = action.data(); 218 QVariant v = action.data();
219 if (v.canConvert<QModelIndex>()) { 219 if (v.canConvert!(QModelIndex)()) {
220 QModelIndex idx = qvariant_cast<QModelIndex>(v); 220 QModelIndex idx = cast(QModelIndex) v;
221 emit activated(idx); 221 activated.emit(idx);
222 } 222 }
223 } 223 }
224 224
225 void hovered(QAction action) 225 void hovered(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 = qvariant_cast<QModelIndex>(v); 229 QModelIndex idx = cast(QModelIndex) v;
230 QString hoveredString = idx.data(m_hoverRole).toString(); 230 string hoveredString = idx.data(m_hoverRole).toString();
231 if (!hoveredString.isEmpty()) 231 if (!hoveredString.isEmpty())
232 emit hovered(hoveredString); 232 hovered.emit(hoveredString);
233 } 233 }
234 } 234 }
235 235
236 private: 236 private:
237 237