experiments/outline-editor/editor.js

@@ -29,55 +29,52 @@ function clickPoint(x,y){
 // box corresponds the to desired coordinates. This accounts for nested 
 // elements.
 //
+// XXX with multi-line text when clicking outside the text to the left/right
+// 		need to select the appropriate line...
 // XXX it would be a better idea to do a binary search instead of a liner 
 // 		pass...
 // 		...though b-search will get us to the target, we stll need to count...
-var getCharOffset = function(elem, x, y, options={}){
+// XXX HACK -- is there a better way to do this???
+var getCharOffset = function(elem, x, y, c){
+	c = c ?? 0
 	var r = document.createRange()
 	for(var e of [...elem.childNodes]){
-		var c = options.c ?? 0
 		// text node...
 		if(e instanceof Text){
-			var prev, rect, cursor_line, col
+			var prev, b
 			for(var i=0; i <= e.length; i++){
 				r.setStart(e, i)
 				r.setEnd(e, i)
-				prev = rect 
-					?? options.prev
-				rect = r.getBoundingClientRect()
-				// line change...
-				// NOTE: this is almost identical to .getTextOffsetAt(..) see
-				// 		that for more docs...
-				if(prev 
-						&& prev.y != rect.y){
-					if(cursor_line){
-						return col 
-							?? c + i - 2 } 
-					col = undefined }
-				cursor_line = 
-					rect.y <= y 
-						&& rect.bottom >= y
-				if(col == null
-						&& rect.x >= x){
-					col = (c + i == 0 
-							|| Math.abs(rect.x - x) <= Math.abs(prev.x - x)) ?
+				prev = b
+				b = r.getBoundingClientRect()
+				// found target...
+				if(b.x >= x 
+						&& b.y <= y 
+						&& b.bottom >= y){
+					// get the closest gap between chars to the click...
+					return (!prev 
+							|| Math.abs(b.x - x) <= Math.abs(prev.x - x)) ?
 						c + i
-						: c + i - 1
-					if(cursor_line){
-						return col } } }
-			options.c += c - 1
+						: c + i - 1 } }
+			c += i - 1
 		// html node...
 		} else {
-			options.prev = prev
-			options = getCharOffset(e, x, y, options)
-			if(typeof(options) != 'object'){
-				return options } } }
+			var res = getCharOffset(e, x, y, c)
+			if(!(res instanceof Array)){
+				return res } 
+			;[c, res] = res } }
 	// no result was found...
 	return arguments.length > 3 ?
-		options
+		[c, null]
 		: null }
 
 
+var getTextAreaOffset = function(elem, x, y){
+	return elem.getTextGeometry(function(res, elem){
+		// XXX this will not work as it needs correct placement of elem under the cursor...
+		return getCharOffset(elem, x, y) }) }
+
+
 // Get offset in markdown relative to the resulting text...
 //                     
 //					    v <----- position

experiments/outline-editor/generic.js

@@ -198,6 +198,7 @@ HTMLTextAreaElement.prototype.getTextOffsetAt = function(x, y){
 		// cursor col -- set once per line...
 		if(col == null 
 				&& ox <= rect.x - clone.x){
+			// XXX not sure about this test...
 			col = (ox > 0 
 					|| i == 0) ?
 				i

experiments/outline-editor/index.html

@@ -48,6 +48,13 @@ var setup = function(){
   - 
 - ## Bugs:
   focused:: true
+  - BUG? clicking a block right of the lines places the cursor at end of last line -- should be the end of the cursor line (see: `.getTextOffsetAt(..)`)
+    - example click right of the text:
+      - example text
+        example text
+        example text
+        example text
+    - _appears that the initial caret placement is correct, but then it gets moved to the end of the block..._
   - BUG: mobile browsers behave quite chaotically ignoring parts of the styling...
     - FF:
       - zooming on edited field
@@ -56,7 +63,6 @@ var setup = function(){
       - side margins are a bit too large (account for toolbat to the right)
   -
 - ## ToDo:
-  - Q: can we place a cursor in a table correctly???
   - custom element / web component
     - BUG: select via double/triple clicks does not work...
 	  - _looks like something is refocusing the element..._
@@ -78,8 +84,6 @@ var setup = function(){
     - DONE multiple node selection (via shift+motion)
       - fixed state -- while `shift` pressed select or deselect only depending on first action (a-la FAR)
     - DONE double/triple click working...
-    - delete
-    - copy/cut/past (???)
     - touch/mouse (???)
   - Q: should we select text (mouse/touch) without first focusing??
     - _...logseq does not do this either_