Fix for bug 296040. Cell-based selection in trees

r=Neil Deakin, sr=Neil Rashbrook, sponsored by BEToptions

suite/themes/modern/global/tree.css

@@ -93,7 +93,8 @@ treechildren::-moz-tree-row(current, focus) {
   border-bottom-color: #000000;
 }
 
-tree[selstyle="primary"] > treechildren::-moz-tree-row {
+tree[seltype="cell"] > treechildren::-moz-tree-row,
+tree[seltype="text"] > treechildren::-moz-tree-row {
   background-color: transparent;
   border: none;
 }
@@ -104,12 +105,18 @@ treechildren::-moz-tree-cell {
   padding: 0px 2px 0px 2px;
 }
 
-tree[selstyle="primary"] > treechildren::-moz-tree-cell-text,
+tree[seltype="cell"] > treechildren::-moz-tree-cell-text,
+tree[seltype="text"] > treechildren::-moz-tree-cell-text,
 treechildren::-moz-tree-cell-text {
   color: inherit;
 }
 
-tree[selstyle="primary"] > treechildren::-moz-tree-cell-text(primary) {
+tree[seltype="cell"] > treechildren::-moz-tree-cell {
+  border: 1px solid transparent;
+  padding: 0px 1px 0px 1px;
+}
+
+tree[seltype="text"] > treechildren::-moz-tree-cell-text {
   border: 1px solid transparent;
   padding: 0px 1px 1px 1px;
 }
@@ -118,7 +125,12 @@ treechildren::-moz-tree-cell-text(selected) {
   color: #000000;
 }
 
-tree[selstyle="primary"] > treechildren::-moz-tree-cell-text(primary, selected) {
+tree[seltype="cell"] > treechildren::-moz-tree-cell(active, selected) {
+  background-color: #C7D0D9;
+  color: #000000;
+}
+
+tree[seltype="text"] > treechildren::-moz-tree-cell-text(active, selected) {
   background-color: #C7D0D9;
   color: #000000;
 }
@@ -127,22 +139,35 @@ treechildren::-moz-tree-cell-text(selected, focus) {
   color: #FFFFFF;
 }
 
-tree[selstyle="primary"] > treechildren::-moz-tree-cell-text(primary, selected, focus) {
+tree[seltype="cell"] > treechildren::-moz-tree-cell(active, selected, focus) {
+  background-color: #424F63;
+}
+tree[seltype="cell"] > treechildren::-moz-tree-cell-text(active, selected, focus) {
+  color: #FFFFFF;
+}
+
+tree[seltype="text"] > treechildren::-moz-tree-cell-text(active, selected, focus) {
   background-color: #424F63;
   color: #FFFFFF;
 }
 
-tree[selstyle="primary"] > treechildren::-moz-tree-cell-text(primary, current, focus) {
+tree[seltype="cell"] > treechildren::-moz-tree-cell(active, current, focus) {
+  border-color: #000000;
+}
+
+tree[seltype="text"] > treechildren::-moz-tree-cell-text(active, current, focus) {
   border-color: #000000;
 }
 
 /* ::::: lines connecting cells ::::: */
 
-tree[selstyle="primary"] > treechildren::-moz-tree-line,
+tree[seltype="cell"] > treechildren::-moz-tree-line,
+tree[seltype="text"] > treechildren::-moz-tree-line,
 treechildren::-moz-tree-line {
   border: 1px dotted #808080;
 }
 
+tree[seltype="cell"] > treechildren::-moz-tree-line(active, selected, focus),
 treechildren::-moz-tree-line(selected, focus) {
   border: 1px dotted #FFFFFF;
 }
@@ -158,7 +183,8 @@ treechildren::-moz-tree-separator {
 
 /* ::::: drop feedback ::::: */
 
-tree[selstyle="primary"] > treechildren::-moz-tree-cell-text(primary, dropOn),
+tree[seltype="cell"] > treechildren::-moz-tree-cell-text(primary, dropOn),
+tree[seltype="text"] > treechildren::-moz-tree-cell-text(primary, dropOn),
 treechildren::-moz-tree-cell-text(primary, dropOn) {
   background-color: #424F63;
   color: #FFFFFF;