New Layer System

1 files changed, 83 insertions, 0 deletions

diff --git a/src/FbTk/MultLayers.cc b/src/FbTk/MultLayers.cc
new file mode 100644
index 0000000..a7a2e60
--- /dev/null
+++ b/src/FbTk/MultLayers.cc
@@ -0,0 +1,83 @@
+// MultLayers.cc for FbTk - fluxbox toolkit
+// Copyright (c) 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
+//                and Simon Bowden    (rathnor at users.sourceforge.net)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// 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 $
+
+#include "MultLayers.hh"
+#include "XLayer.hh"
+#include "XLayerItem.hh"
+
+using namespace FbTk;
+
+MultLayers::MultLayers(int numlayers) :
+    m_numlayers(numlayers), m_layers(numlayers) {
+    for (int i=0; i < numlayers; i++) {
+        m_layers[i] = new XLayer(*this, i);
+    }
+}
+
+MultLayers::~MultLayers() {
+    // TODO delete all the layers
+}
+
+
+XLayerItem *MultLayers::getLowestItemAboveLayer(int layernum) {
+    if (layernum >= (m_numlayers) || layernum <= 0) 
+        return 0;
+
+    layernum--; // next one up
+    XLayerItem *item = 0;
+    while (layernum >= 0 && (item = m_layers[layernum]->getLowestItem()) == 0) layernum--;
+    return item;
+
+}    
+
+void MultLayers::addToTop(XLayerItem &item, int layernum) {
+    if (layernum < 0 || layernum >= m_numlayers) return;
+    m_layers[layernum]->insert(item);
+}
+
+/* raise the item one level */
+void MultLayers::raise(XLayerItem &item) {
+    // get the layer it is in
+    XLayer *curr_layer = item.getLayer();
+    if (!curr_layer || curr_layer->getLayerNum() == 0 || m_numlayers == 1) {
+        // do nothing
+        return;
+    }
+    
+    curr_layer->remove(item);
+    m_layers[curr_layer->getLayerNum()-1]->insert(item);
+}
+
+/* lower the item one level */
+void MultLayers::lower(XLayerItem &item) {
+    // get the layer it is in
+    XLayer *curr_layer = item.getLayer();
+    if (!curr_layer || curr_layer->getLayerNum() >= (m_numlayers-1) || m_numlayers == 1) {
+        // do nothing
+        return;
+    }
+    
+    curr_layer->remove(item);
+    m_layers[curr_layer->getLayerNum()+1]->insert(item);
+}