Shamusworld >> Repos - architektonas/blob - src/widgets/qg_layerbox.cpp

   1 // qg_layerbox.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // Originally part of QCad Community Edition by Andrew Mustun
   5 // Extensively rewritten and refactored by James L. Hammons
   6 // (C) 2010 Underground Software
   7 //
   8 // JLH = James L. Hammons <jlhamm@acm.org>
   9 //
  10 // Who  When        What
  11 // ---  ----------  -----------------------------------------------------------
  12 // JLH  05/11/2010  Added this text. :-)
  13 //
  14
  15 #include "qg_layerbox.h"
  16
  17 #include "rs_layer.h"
  18 #include "rs_layerlist.h"
  19
  20 /**
  21  * Default Constructor. You must call init manually before using
  22  * this class.
  23  */
  24 QG_LayerBox::QG_LayerBox(QWidget * parent, const char */*name*/): QComboBox(parent)
  25 {
  26         showByBlock = false;
  27         showUnchanged = false;
  28         unchanged = false;
  29         layerList = NULL;
  30         currentLayer = NULL;
  31 }
  32
  33 /**
  34  * Destructor
  35  */
  36 QG_LayerBox::~QG_LayerBox()
  37 {
  38 }
  39
  40 RS_Layer * QG_LayerBox::getLayer()
  41 {
  42         return currentLayer;
  43 }
  44
  45 /**
  46  * Initialisation (called manually only once).
  47  *
  48  * @param layerList Layer list which provides the layer names that are
  49  *                  available.
  50  * @param showByBlock true: Show attribute ByBlock.
  51  */
  52 void QG_LayerBox::init(RS_LayerList & layerList, bool showByBlock, bool showUnchanged)
  53 {
  54         this->showByBlock = showByBlock;
  55         this->showUnchanged = showUnchanged;
  56         this->layerList = &layerList;
  57
  58         if (showUnchanged)
  59 //              insertItem(tr("- Unchanged -"));
  60                 addItem(tr("- Unchanged -"));
  61
  62         for(uint i=0; i<layerList.count(); ++i)
  63         {
  64                 RS_Layer * lay = layerList.at(i);
  65
  66                 if (lay != NULL && (lay->getName() != "ByBlock" || showByBlock))
  67 //                      insertItem(lay->getName());
  68                         addItem(lay->getName());
  69         }
  70
  71         connect(this, SIGNAL(activated(int)), this, SLOT(slotLayerChanged(int)));
  72         setCurrentIndex(0);
  73         slotLayerChanged(currentIndex());
  74 }
  75
  76 /**
  77  * Sets the layer shown in the combobox to the given layer.
  78  */
  79 void QG_LayerBox::setLayer(RS_Layer & layer)
  80 {
  81         currentLayer = &layer;
  82
  83         //if (layer.getName()=="ByBlock" && showByBlock) {
  84         //    setCurrentItem(0);
  85         //} else {
  86
  87 //      setCurrentText(layer.getName());
  88         setItemText(currentIndex(), layer.getName());
  89         //}
  90
  91         //if (currentItem()!=7+(int)showByBlock*2) {
  92         slotLayerChanged(currentIndex());
  93         //}
  94 }
  95
  96 /**
  97  * Sets the layer shown in the combobox to the given layer.
  98  */
  99 void QG_LayerBox::setLayer(QString & layer)
 100 {
 101     //if (layer.getName()=="ByBlock" && showByBlock) {
 102     //    setCurrentItem(0);
 103     //} else {
 104 //    setCurrentText(layer);
 105     setItemText(currentIndex(), layer);
 106     //}
 107
 108     //if (currentItem()!=7+(int)showByBlock*2) {
 109     slotLayerChanged(currentIndex());
 110     //}
 111 }
 112
 113 bool QG_LayerBox::isUnchanged()
 114 {
 115         return unchanged;
 116 }
 117
 118 /**
 119  * Called when the color has changed. This method
 120  * sets the current color to the value chosen or even
 121  * offers a dialog to the user that allows him/ her to
 122  * choose an individual color.
 123  */
 124 void QG_LayerBox::slotLayerChanged(int index)
 125 {
 126         //currentLayer.resetFlags();
 127
 128         if (index == 0 && showUnchanged)
 129                 unchanged = true;
 130         else
 131                 unchanged = false;
 132
 133 //      currentLayer = layerList->find(text(index));
 134         currentLayer = layerList->find(itemText(index));
 135
 136         //printf("Current color is (%d): %s\n",
 137         //       index, currentLayer.name().latin1());
 138
 139         emit layerChanged(currentLayer);
 140 }