1 files changed, 62 insertions, 0 deletions
diff --git a/src/display/pager.nim b/src/display/pager.nim
new file mode 100644
index 00000000..9fc8957d
--- /dev/null
+++ b/src/display/pager.nim
@@ -0,0 +1,62 @@
+import config/config
+import io/buffer
+import js/javascript
+
+type
+  Container = ref object
+    buffer: Buffer
+    children: seq[Container]
+
+  Pager* = ref object
+    rootContainer: Container
+    container: Container
+    config: Config
+
+proc cursorLeft(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorLeft()
+proc cursorDown(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorDown()
+proc cursorUp(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorUp()
+proc cursorRight(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorRight()
+proc cursorLineBegin(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorLineBegin()
+proc cursorLineEnd(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorLineEnd()
+proc cursorNextWord(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorNextWord()
+proc cursorPrevWord(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorPrevWord()
+proc cursorNextLink(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorNextLink()
+proc cursorPrevLink(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorPrevLink()
+proc pageDown(pager: Pager) {.jsfunc.} = pager.container.buffer.pageDown()
+proc pageUp(pager: Pager) {.jsfunc.} = pager.container.buffer.pageUp()
+proc pageRight(pager: Pager) {.jsfunc.} = pager.container.buffer.pageRight()
+proc pageLeft(pager: Pager) {.jsfunc.} = pager.container.buffer.pageLeft()
+proc halfPageDown(pager: Pager) {.jsfunc.} = pager.container.buffer.halfPageDown()
+proc halfPageUp(pager: Pager) {.jsfunc.} = pager.container.buffer.halfPageUp()
+proc cursorFirstLine(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorFirstLine()
+proc cursorLastLine(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorLastLine()
+proc cursorTop(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorTop()
+proc cursorMiddle(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorMiddle()
+proc cursorBottom(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorBottom()
+proc cursorLeftEdge(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorLeftEdge()
+proc cursorVertMiddle(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorVertMiddle()
+proc cursorRightEdge(pager: Pager) {.jsfunc.} = pager.container.buffer.cursorRightEdge()
+proc centerLine(pager: Pager) {.jsfunc.} = pager.container.buffer.centerLine()
+proc scrollDown(pager: Pager) {.jsfunc.} = pager.container.buffer.scrollDown()
+proc scrollUp(pager: Pager) {.jsfunc.} = pager.container.buffer.scrollUp()
+proc scrollLeft(pager: Pager) {.jsfunc.} = pager.container.buffer.scrollLeft()
+proc scrollRight(pager: Pager) {.jsfunc.} = pager.container.buffer.scrollRight()
+proc lineInfo(pager: Pager) {.jsfunc.} = pager.container.buffer.lineInfo()
+proc reshape(pager: Pager) {.jsfunc.} = pager.container.buffer.reshape = true
+proc redraw(pager: Pager) {.jsfunc.} = pager.container.buffer.redraw = true
+
+proc newContainer(): Container =
+  new(result)
+
+proc newPager*(config: Config, buffer: Buffer): Pager =
+  result.config = config
+  result.rootContainer = newContainer()
+
+proc addBuffer*(pager: Pager, buffer: Buffer) =
+  var ncontainer = newContainer()
+  ncontainer.buffer = buffer
+  pager.container.children.add(ncontainer)
+  pager.container = ncontainer
+
+proc addPagerModule*(ctx: JSContext) =
+  ctx.registerType(Pager)