SRDOP: Some refactoring.

1 files changed, 102 insertions, 0 deletions

diff --git a/dw/tools.cc b/dw/tools.cc
new file mode 100644
index 00000000..1db83306
--- /dev/null
+++ b/dw/tools.cc
@@ -0,0 +1,102 @@
+#include "tools.hh"
+
+namespace dw {
+namespace core {
+
+SizeParams::SizeParams ()
+{
+   init ();
+}
+   
+SizeParams::~SizeParams ()
+{
+   cleanup ();
+}
+
+void SizeParams::init ()
+{
+   numPos = 0;
+   references = NULL;
+   x = y = NULL;
+}
+
+void SizeParams::cleanup ()
+{
+   if (references)
+      delete[] references;
+   if (x)
+      delete[] x;
+   if (y)
+      delete[] y;
+
+   init ();
+}
+
+void SizeParams::fill (int numPos, Widget **references, int *x, int *y)
+{
+   cleanup ();
+   
+   this->numPos = numPos;
+
+   this->references = new Widget*[numPos];
+   this->x = new int[numPos];
+   this->y = new int[numPos];
+   
+   for (int i = 0; i < numPos; i++) {
+      this->references[i] = references[i];
+      this->x[i] = x[i];
+      this->y[i] = y[i];
+   }
+}
+
+void SizeParams::forChild (Widget *parent, Widget *child, int xRel, int yRel,
+                           SizeParams *childParams)
+{
+   int numChildReferences = child->numSizeRequestReferences ();
+
+   childParams->numPos = 0;
+   childParams->references = new Widget*[numChildReferences];
+   childParams->x = new int[numChildReferences];
+   childParams->y = new int[numChildReferences];
+
+   for (int i = 0; i < numChildReferences; i++) {
+      Widget *childReference = child->sizeRequestReference (i);
+      if (childReference == parent) {
+         references[numPos] = childReference;
+         childParams->x[numPos] = xRel;
+         childParams->y[numPos] = yRel;
+         numPos++;
+      } else {
+         bool found = false;
+         for (int j = 0; !found && j < numPos; j++) {
+            if (childReference == references[j]) {
+               found = true;
+               references[numPos] = childReference;
+               childParams->x[numPos] = x[j] + xRel;
+               childParams->y[numPos] = y[j] + yRel;
+               numPos++;
+            } 
+         }
+      }
+   }
+
+}
+
+bool SizeParams::findReference (Widget *reference, int *x, int *y)
+{
+   for (int i = 0; i < numPos; i++) {
+      if (reference == references[i]) {
+         if (x)
+            *x = this->x[i];
+         if (y)
+            *y = this->y[i];
+         return true;
+      }
+   }
+
+   return false;
+}
+  
+
+} // namespace core
+} // namespace dw