comparison: src/model.cpp
src/model.cpp
- changeset 208
- 930928b760a2
- parent 204
- 52e10e8d88cc
- child 232
- 8efa3a33172e
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replaced
| 207:5315358a7d91 | 208:930928b760a2 |
|---|---|
| 14 * | 14 * |
| 15 * You should have received a copy of the GNU General Public License | 15 * You should have received a copy of the GNU General Public License |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 */ | 17 */ |
| 18 | 18 |
| 19 #include <QPixmap> | |
| 19 #include "model.h" | 20 #include "model.h" |
| 21 | |
| 22 static const char* iconPathForElement(const ModelElement& element) | |
| 23 { | |
| 24 return std::visit(overloaded{ | |
| 25 [](const Colored<SubfileReference>&) { | |
| 26 return ":/icons/linetype-subfile.png"; | |
| 27 }, | |
| 28 [](const Colored<LineSegment>&) { | |
| 29 return ":/icons/linetype-edgeline.png"; | |
| 30 }, | |
| 31 [](const Colored<Triangle>&) { | |
| 32 return ":/icons/linetype-triangle.png"; | |
| 33 }, | |
| 34 [](const Colored<Quadrilateral>&) { | |
| 35 return ":/icons/linetype-quadrilateral.png"; | |
| 36 }, | |
| 37 [](const Colored<ConditionalEdge>&) { | |
| 38 return ":/icons/linetype-conditionaledge.png"; | |
| 39 }, | |
| 40 [](const Comment&) { | |
| 41 return ":/icons/chatbubble-ellipses-outline.png"; | |
| 42 }, | |
| 43 [](const Empty&) { | |
| 44 return ""; | |
| 45 }, | |
| 46 [](const ParseError&) { | |
| 47 return ":/icons/linetype-errorline.png"; | |
| 48 }, | |
| 49 }, element); | |
| 50 } | |
| 51 | |
| 52 static QPixmap iconForElement(const ModelElement& element) | |
| 53 { | |
| 54 // We avoid processing the same image over and over again by storing it | |
| 55 // in a static constant. However, we need one per each possible type | |
| 56 // of ModelElement, so we put the pixmap constant inside a templated lambda, | |
| 57 // which gets instiated once for each type of ModelElement. | |
| 58 return std::visit([](auto&& element){ | |
| 59 static const QPixmap pixmap = QPixmap::fromImage( | |
| 60 QImage{iconPathForElement(element)} | |
| 61 .scaledToHeight(24, Qt::SmoothTransformation) | |
| 62 ); | |
| 63 return pixmap; | |
| 64 }, element); | |
| 65 } | |
| 20 | 66 |
| 21 QString modelElementToString(const ModelElement &element) | 67 QString modelElementToString(const ModelElement &element) |
| 22 { | 68 { |
| 23 return std::visit(overloaded{ | 69 return std::visit(overloaded{ |
| 24 [](const Colored<SubfileReference>& ref) { | 70 [](const Colored<SubfileReference>& ref) { |
| 139 } | 185 } |
| 140 | 186 |
| 141 QVariant Model::data(const QModelIndex &index, int role) const | 187 QVariant Model::data(const QModelIndex &index, int role) const |
| 142 { | 188 { |
| 143 const int i = index.row(); | 189 const int i = index.row(); |
| 190 const ModelElement& element = this->body[i].data; | |
| 144 switch(role) | 191 switch(role) |
| 145 { | 192 { |
| 146 /* | |
| 147 case Qt::DecorationRole: | 193 case Qt::DecorationRole: |
| 148 return QPixmap{object->iconName()}.scaledToHeight(24); | 194 return iconForElement(element); |
| 149 */ | |
| 150 case Qt::DisplayRole: | 195 case Qt::DisplayRole: |
| 151 return modelElementToString(this->body[i].data); | 196 return modelElementToString(element); |
| 152 /* | 197 /* |
| 153 case Qt::ForegroundRole: | 198 case Qt::ForegroundRole: |
| 154 return object->textRepresentationForeground(); | 199 return object->textRepresentationForeground(); |
| 155 case Qt::BackgroundRole: | 200 case Qt::BackgroundRole: |
| 156 return object->textRepresentationBackground(); | 201 return object->textRepresentationBackground(); |
