Add title tag support, peek, peekCursor

2 files changed, 32 insertions, 1 deletions

diff --git a/src/buffer/buffer.nim b/src/buffer/buffer.nim
index ef2ce5fd..ae91be54 100644
--- a/src/buffer/buffer.nim
+++ b/src/buffer/buffer.nim
@@ -81,6 +81,7 @@ type
     config: BufferConfig
     userstyle: CSSStylesheet
     timeouts: Table[int, (proc())]
+    hovertext: string
 
   # async, but worse
   EmptyPromise = ref object of RootObj
@@ -228,6 +229,20 @@ macro proxy(fun: typed) =
     proxy0(`fun`)
     proxy1(`fun`)
 
+func getTitle(node: StyledNode): string =
+  if node == nil:
+    return ""
+  if node.t == STYLED_ELEMENT and node.node != nil:
+    let element = Element(node.node)
+    if element.attrb("title"):
+      return element.attr("title")
+  if node.node != nil:
+    var node = node.node
+    for element in node.ancestors:
+      if element.attrb("title"):
+        return element.attr("title")
+  #TODO pseudo-elements
+
 func getLink(node: StyledNode): HTMLAnchorElement =
   if node == nil:
     return nil
@@ -447,6 +462,11 @@ proc updateHover*(buffer: Buffer, cursorx, cursory: int): UpdateHoverResult {.pr
   if i >= 0:
     thisnode = buffer.lines[cursory].formats[i].node
   let prevnode = buffer.prevnode
+  let title = thisnode.getTitle()
+  if title != "":
+    result.hover = some(title)
+  elif buffer.hovertext != "":
+    result.hover = some(buffer.hovertext)
 
   if thisnode != prevnode and (thisnode == nil or prevnode == nil or thisnode.node != prevnode.node):
     for styledNode in thisnode.branch:
@@ -458,9 +478,10 @@ proc updateHover*(buffer: Buffer, cursorx, cursory: int): UpdateHoverResult {.pr
 
     let link = thisnode.getLink()
     if link != nil:
+      buffer.hovertext = link.href
       result.hover = some(link.href)
     else:
-      result.hover = some("")
+      buffer.hovertext = ""
 
     for styledNode in prevnode.branch:
       if styledNode.t == STYLED_ELEMENT and styledNode.node != nil:
diff --git a/src/buffer/container.nim b/src/buffer/container.nim
index 6960f260..e24b0342 100644
--- a/src/buffer/container.nim
+++ b/src/buffer/container.nim
@@ -284,6 +284,9 @@ proc sendCursorPosition*(container: Container) =
     if res.hover.isSome:
       container.hovertext = res.hover.get
       container.triggerEvent(STATUS)
+    elif container.hovertext != "":
+      container.hovertext = ""
+      container.triggerEvent(STATUS)
     if res.repaint:
       container.needslines = true)
 
@@ -722,6 +725,13 @@ proc windowChange*(container: Container, attrs: WindowAttributes) =
   container.iface.windowChange(attrs).then(proc() =
     container.needslines = true)
 
+proc peek*(container: Container) {.jsfunc.} =
+  container.alert($container.source.location)
+
+proc peekCursor*(container: Container) {.jsfunc.} =
+  if container.hovertext != "":
+    container.alert(container.hovertext)
+
 proc handleCommand(container: Container) =
   var packetid, len: int
   container.iface.stream.sread(len)