restructured layering a little so that a XLayerItem now contains several

windows that are to remain equivalent in depth (e.g. tabs, or grouped
windows) - (Simon)

src/FbTk/MultLayers.cc

@@ -20,7 +20,7 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-// $Id: MultLayers.cc,v 1.1 2003/01/16 12:41:27 rathnor Exp $
+// $Id: MultLayers.cc,v 1.2 2003/01/29 21:42:52 rathnor Exp $
 
 #include "MultLayers.hh"
 #include "XLayer.hh"
@@ -51,11 +51,21 @@ XLayerItem *MultLayers::getLowestItemAboveLayer(int layernum) {
 
 }    
 
+
 void MultLayers::addToTop(XLayerItem &item, int layernum) {
     if (layernum < 0 || layernum >= m_numlayers) return;
     m_layers[layernum]->insert(item);
 }
 
+void MultLayers::remove(XLayerItem &item) {
+    XLayer *curr_layer = item.getLayer();
+    if (!curr_layer || curr_layer->getLayerNum() < 0 || curr_layer->getLayerNum() >= m_numlayers) {
+        // do nothing
+        return;
+    }
+    curr_layer->remove(item);
+}
+
 /* raise the item one level */
 void MultLayers::raise(XLayerItem &item) {
     // get the layer it is in

src/FbTk/MultLayers.hh

@@ -20,7 +20,7 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-// $Id: MultLayers.hh,v 1.1 2003/01/16 12:41:27 rathnor Exp $
+// $Id: MultLayers.hh,v 1.2 2003/01/29 21:42:53 rathnor Exp $
 
 #ifndef FBTK_MULTLAYERS_HH
 #define FBTK_MULTLAYERS_HH
@@ -38,9 +38,14 @@ public:
     ~MultLayers();
     XLayerItem *getLowestItemAboveLayer(int layernum);
     void addToTop(XLayerItem &item, int layernum);
+    void remove(XLayerItem &item);
+    
     //void move(XLayerItem &item, int layernum);
+
+    // raise/lower the item a whole layer, not just to top of current layer
     void raise(XLayerItem &item);
     void lower(XLayerItem &item);
+
     //void moveToTop(XLayerItem &item);
     //void moveToBottom(XLayerItem &item);
 

src/FbTk/XLayer.cc

@@ -20,7 +20,7 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-// $Id: XLayer.cc,v 1.1 2003/01/16 12:41:27 rathnor Exp $
+// $Id: XLayer.cc,v 1.2 2003/01/29 21:42:53 rathnor Exp $
 
 #include "XLayer.hh"
 #include "XLayerItem.hh"
@@ -38,13 +38,24 @@ XLayer::~XLayer() {
 }
 
 void XLayer::restack() {
-    int numWindows = size();
-    Window *winlist = new Window[numWindows];
-    typedef FbTk::Layer<XLayerItem> BaseClass;
+    int numWindows = 0;
     iterator it = itemList().begin();
     iterator it_end = itemList().end();
     for (size_t i=0; it != it_end; ++it, i++) {
-        winlist[i] = (*it)->window();
+        numWindows += (*it)->numWindows();
+    }
+
+    // each LayerItem can contain several windows
+    it = itemList().begin();
+    it_end = itemList().end();
+    Window *winlist = new Window[numWindows];
+    size_t j=0;
+    for (size_t i=0; it != it_end; ++it, i++) {
+        XLayerItem::Windows::const_iterator wit = (*it)->getWindows().begin();
+        XLayerItem::Windows::const_iterator wit_end = (*it)->getWindows().end();
+        for (; wit != wit_end; ++wit, j++) {
+            winlist[j] = (*wit);
+        }
     }
 
     XRestackWindows(FbTk::App::instance()->display(), winlist, numWindows);
@@ -54,16 +65,36 @@ void XLayer::restack() {
 
 void XLayer::stackBelowItem(XLayerItem *item, XLayerItem *above) {
     // little optimisation
+    Window *winlist;
+    size_t i, size, num = item->numWindows();
+
     if (!above) { // must need to go right to top
-        XRaiseWindow(FbTk::App::instance()->display(), item->window());
-        return;
+        XRaiseWindow(FbTk::App::instance()->display(), item->getWindows().front());
+        if (num > 1) {
+            i = 0;
+            // stack relative to top one (just raised)
+            size = num;
+            winlist = new Window[size];
+        } else {
+            return;
+        }
+    } else {
+        i=1;
+        // stack relative to one above
+
+        size = num+1;
+        winlist = new Window[size];
+        winlist[0] = above->getWindows().front();
     }
 
-    Window * winlist = new Window[2];
-    winlist[0] = above->window();
-    winlist[1] = item->window();
     
-    XRestackWindows(FbTk::App::instance()->display(), winlist, 2);
+    XLayerItem::Windows::iterator it = item->getWindows().begin();
+    XLayerItem::Windows::iterator it_end = item->getWindows().end();
+    for (; it != it_end; ++it, i++) {
+        winlist[i] = (*it);
+    }
+    
+    XRestackWindows(FbTk::App::instance()->display(), winlist, size);
 
     delete [] winlist;
 }

src/FbTk/XLayerItem.cc

@@ -20,15 +20,17 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-// $Id: XLayerItem.cc,v 1.1 2003/01/16 12:41:27 rathnor Exp $
+// $Id: XLayerItem.cc,v 1.2 2003/01/29 21:42:53 rathnor Exp $
 
 #include "XLayerItem.hh"
 #include "XLayer.hh"
 
 using namespace FbTk;
 
-XLayerItem::XLayerItem() :
-    m_layer(0), m_layeriterator(0) {}
+XLayerItem::XLayerItem(Window win) :
+    m_layer(0), m_layeriterator(0) {
+    m_windows.push_front(win);
+}
 
 /*
 XLayerItem::XLayerItem(XLayer &layer): 
@@ -60,3 +62,22 @@ void XLayerItem::stepUp() {
 void XLayerItem::stepDown() {
     m_layer->stepDown(*this);
 }
+
+void XLayerItem::addWindow(Window win) {
+  // I'd like to think we can trust ourselves that it won't be added twice...
+  // Otherwise we're always scanning through the list.
+  m_windows.push_back(win);
+}
+
+void XLayerItem::removeWindow(Window win) {
+  // I'd like to think we can trust ourselves that it won't be added twice...
+  // Otherwise we're always scanning through the list.
+
+  XLayerItem::Windows::iterator it = std::find(m_windows.begin(), m_windows.end(), win);
+  m_windows.erase(it);
+}
+
+void XLayerItem::bringToTop(Window win) {
+  removeWindow(win);
+  addWindow(win);
+}

src/FbTk/XLayerItem.hh

@@ -20,7 +20,7 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-// $Id: XLayerItem.hh,v 1.1 2003/01/16 12:41:27 rathnor Exp $
+// $Id: XLayerItem.hh,v 1.2 2003/01/29 21:42:53 rathnor Exp $
 
 #ifndef FBTK_XLAYERITEM_HH
 #define FBTK_XLAYERITEM_HH
@@ -34,22 +34,37 @@ namespace FbTk {
 
 class XLayerItem : public LayerItem {
 public:
-    XLayerItem();
+    typedef std::list<Window> Windows;
+
+    XLayerItem(Window win);
     ~XLayerItem();
     void setLayer(XLayer &layer);
     XLayer *getLayer() const { return m_layer; }
-    void raise(); 
+    void raise();
     void lower();
     void stepUp();
     void stepDown();
     XLayer::iterator getLayerIterator() const { return m_layeriterator; };
     void setLayerIterator(XLayer::iterator it) { m_layeriterator = it; };
-    virtual Window window() const = 0;
-    virtual bool visible() const = 0 ;
+    
+    // not currently implemented
+    bool visible() { return true; }
+
+    // an XLayerItem holds several windows that are equivalent in a layer 
+    // (i.e. if one is raised, then they should all be).
+    void addWindow(Window win);
+    void removeWindow(Window win);
+
+    // using this you can bring one window to the top (equivalent to add then remove)
+    void bringToTop(Window win);
+
+    Windows &getWindows() { return m_windows; }
+    size_t numWindows() const { return m_windows.size(); }
 
 private:
     XLayer *m_layer;
     XLayer::iterator m_layeriterator;
+    Windows m_windows;
 };
 
 };