Fixes for the Layer widget.

[architektonas] / src / layerwidget.cpp

diff --git a/src/layerwidget.cpp b/src/layerwidget.cpp
index 227225374b30f0e24cb31af833009be4af9293a4..faaf5b999854423f546b39724f854e7419900fa3 100644 (file)
--- a/src/layerwidget.cpp
+++ b/src/layerwidget.cpp
@@ -12,3 +12,175 @@
 //
 
 #include "layerwidget.h"
+#include "global.h"
+#include "layeritemwidget.h"
+
+
+LayerWidget::LayerWidget(void): QWidget(),
+       addLayer(new QToolButton), removeLayer(new QToolButton),
+       editLayer(new QToolButton), layerUp(new QToolButton),
+       layerDown(new QToolButton), list(new QListWidget)
+{
+       LayerItemWidget * liw = new LayerItemWidget("Background");
+       QListWidgetItem * qlwi = new QListWidgetItem(list);
+       list->setItemWidget(qlwi, liw);
+
+//     QToolButton * pb1 = new QToolButton;
+//     QToolButton * pb2 = new QToolButton;
+//     QToolButton * pb3 = new QToolButton;
+//     QToolButton * pb4 = new QToolButton;
+//     QToolButton * pb5 = new QToolButton;
+
+       addLayer->setIcon(QIcon(":/res/layer-add.png"));
+       removeLayer->setIcon(QIcon(":/res/layer-delete.png"));
+       editLayer->setIcon(QIcon(":/res/layer-edit.png"));
+       layerUp->setIcon(QIcon(":/res/layer-up.png"));
+       layerDown->setIcon(QIcon(":/res/layer-down.png"));
+
+       addLayer->setToolTip(tr("Add layer"));
+       removeLayer->setToolTip(tr("Remove layer"));
+       editLayer->setToolTip(tr("Edit layer"));
+       layerUp->setToolTip(tr("Move layer up"));
+       layerDown->setToolTip(tr("Move layer down"));
+
+       QHBoxLayout * hbox1 = new QHBoxLayout;
+       hbox1->addWidget(addLayer);
+       hbox1->addWidget(removeLayer);
+       hbox1->addWidget(editLayer);
+       hbox1->addWidget(layerUp);
+       hbox1->addWidget(layerDown);
+       hbox1->addStretch();
+
+       QVBoxLayout * mainLayout = new QVBoxLayout;
+       mainLayout->addWidget(list);
+       mainLayout->addLayout(hbox1);
+
+       setLayout(mainLayout);
+
+       connect(list, SIGNAL(currentRowChanged(int)), this, SLOT(HandleLayerSelected(int)));
+       connect(addLayer, SIGNAL(clicked()), this, SLOT(AddLayer()));
+       connect(removeLayer, SIGNAL(clicked()), this, SLOT(DeleteLayer()));
+       connect(editLayer, SIGNAL(clicked()), this, SLOT(EditLayer()));
+       connect(layerUp, SIGNAL(clicked()), this, SLOT(MoveLayerUp()));
+       connect(layerDown, SIGNAL(clicked()), this, SLOT(MoveLayerDown()));
+
+       list->setCurrentRow(0);
+}
+
+
+LayerWidget::~LayerWidget()
+{
+}
+
+
+void LayerWidget::HandleLayerSelected(int currentRow)
+{
+//printf("LayerWidget::HandleLayerSelected(): currentRow = %i\n", currentRow);
+//     emit(LayerSelected(currentRow));
+
+       QListWidgetItem * qlwi = list->item(currentRow);
+       LayerItemWidget * li = (LayerItemWidget *)list->itemWidget(qlwi);
+       Global::activeLayer = currentRow;
+       Global::layerIsLocked = li->editibility->isChecked();
+
+       // Set button states to sane values
+       SetButtonStates();
+}
+
+
+void LayerWidget::AddLayer(void)
+{
+       int count = list->count();
+       QString text = QString("Layer #%1").arg(count);
+       LayerItemWidget * liw = new LayerItemWidget(text);
+       QListWidgetItem * qlwi = new QListWidgetItem();
+       list->insertItem(0, qlwi);
+       list->setItemWidget(qlwi, liw);
+
+       SetButtonStates();
+}
+
+
+void LayerWidget::DeleteLayer(void)
+{
+       int numItems = list->count();
+
+       if (numItems == 1)
+               return;
+
+       QListWidgetItem * qlwi = list->currentItem();
+       list->removeItemWidget(qlwi);
+       delete qlwi;
+
+       SetButtonStates();
+
+       // N.B.: Also, we need to delete the layer in the Drawing as well!
+}
+
+
+void LayerWidget::EditLayer(void)
+{
+       // Get the LayerItemWidget so we can edit it (its name, anyway)...
+       QListWidgetItem * qlwi = list->currentItem();
+       LayerItemWidget * li = (LayerItemWidget *)list->itemWidget(qlwi);
+       QString s = li->name->text();
+
+       bool ok;
+       QString result = QInputDialog::getText(this, tr("Edit Layer Name"), tr("Layer Name:"), QLineEdit::Normal, s, &ok);
+
+       if (ok && !result.isEmpty())
+               li->name->setText(result);
+}
+
+
+void LayerWidget::MoveLayerUp(void)
+{
+       // Get information out of the LayerItemWidget (& get it from the list!)
+       int currentRow = list->currentRow();
+       QListWidgetItem * qlwi = list->currentItem();
+       LayerItemWidget * li = (LayerItemWidget *)list->itemWidget(qlwi);
+       QString s = li->name->text();
+       bool visible = li->visibility->isChecked();
+       bool editible = li->editibility->isChecked();
+
+       // We have to make a new LayerItemWidget because it destroys the old one!
+       list->takeItem(currentRow);
+       list->insertItem(currentRow - 1, qlwi);
+       li = new LayerItemWidget(s, visible, editible);
+       list->setItemWidget(qlwi, li);
+       list->setCurrentItem(qlwi);
+}
+
+
+void LayerWidget::MoveLayerDown(void)
+{
+       // Get information out of the LayerItemWidget (& get it from the list!)
+       int currentRow = list->currentRow();
+       QListWidgetItem * qlwi = list->currentItem();
+       LayerItemWidget * li = (LayerItemWidget *)list->itemWidget(qlwi);
+       QString s = li->name->text();
+       bool visible = li->visibility->isChecked();
+       bool editible = li->editibility->isChecked();
+
+       // We have to make a new LayerItemWidget because it destroys the old one!
+       list->takeItem(currentRow);
+       list->insertItem(currentRow + 1, qlwi);
+       li = new LayerItemWidget(s, visible, editible);
+       list->setItemWidget(qlwi, li);
+       list->setCurrentItem(qlwi);
+}
+
+
+//
+// Set button states in this widget to sane values
+//
+void LayerWidget::SetButtonStates(void)
+{
+       int numItems = list->count();
+       int currentRow = list->currentRow();
+
+       layerDown->setEnabled(currentRow == (numItems - 1) ? false : true);
+       layerUp->setEnabled(currentRow == 0 ? false : true);
+       removeLayer->setEnabled(numItems == 1 ? false : true);
+}
+