From 952ab4404ffcbb43b6a95e640c6de4fb08de5c0a Mon Sep 17 00:00:00 2001
From: Julian Hurst <ark@mansus.space>
Date: Tue, 17 May 2022 17:25:25 +0200
Subject: Move ttyui to widget

---
 handlers.ha               | 46 +++++++++++++++++++++++-----------------------
 libui/layout/layout.ha    |  2 ++
 libui/widget/list/list.ha |  5 ++---
 libui/widget/widget.ha    |  2 ++
 main.ha                   |  4 ++--
 5 files changed, 31 insertions(+), 28 deletions(-)

diff --git a/handlers.ha b/handlers.ha
index ef374ef..41f895f 100644
--- a/handlers.ha
+++ b/handlers.ha
@@ -34,7 +34,7 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		list::pageup(l);
 	case 'l' =>
 		// to print properly suspend the ui, print, then resume
-		libui::suspend(&l.ui);
+		libui::suspend(&l.widget.ui);
 		//fmt::println(l.items[l.cursor])!;
 		match (list::selected(*l)) {
 		case let s: str =>
@@ -45,7 +45,7 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 			defer free(out);
 			fmt::println(out)!;
 		};
-		libui::resume(&l.ui);
+		libui::resume(&l.widget.ui);
 		return true;
 	case 'g' =>
 		list::top(l);
@@ -65,9 +65,9 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		};
 	case '?' =>
 		// TODO add commandline support maybe
-		libui::suspend(&l.ui);
-		fmt::fprint(l.ui.f, '?')!;
-		let line = match (bufio::scanline(l.ui.f)) {
+		libui::suspend(&l.widget.ui);
+		fmt::fprint(l.widget.ui.f, '?')!;
+		let line = match (bufio::scanline(l.widget.ui.f)) {
 		case let s: []u8 =>
 			yield s;
 		case io::EOF =>
@@ -82,12 +82,12 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		searchforward = false;
 		let c = l.cursor;
 		list::rsearch(l, searchterm);
-		libui::resume(&l.ui);
+		libui::resume(&l.widget.ui);
 	case '/' =>
 		// TODO add commandline support maybe
-		libui::suspend(&l.ui);
-		fmt::fprint(l.ui.f, '/')!;
-		let line = match (bufio::scanline(l.ui.f)) {
+		libui::suspend(&l.widget.ui);
+		fmt::fprint(l.widget.ui.f, '/')!;
+		let line = match (bufio::scanline(l.widget.ui.f)) {
 		case let s: []u8 =>
 			yield s;
 		case io::EOF =>
@@ -102,7 +102,7 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		searchforward = true;
 		let c = l.cursor;
 		list::search(l, searchterm);
-		libui::resume(&l.ui);
+		libui::resume(&l.widget.ui);
 	case 'o' =>
 		// order
 		sort::strings(l.items);
@@ -114,9 +114,9 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		list::setitems(l, itemscopy...);
 	case 's' =>
 		// TODO add commandline support maybe
-		libui::suspend(&l.ui);
-		fmt::fprint(l.ui.f, "s: ")!;
-		let line = match (bufio::scanline(l.ui.f)) {
+		libui::suspend(&l.widget.ui);
+		fmt::fprint(l.widget.ui.f, "s: ")!;
+		let line = match (bufio::scanline(l.widget.ui.f)) {
 		case let s: []u8 =>
 			yield s;
 		case io::EOF =>
@@ -128,12 +128,12 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		};
 		defer free(line);
 		list::containsmark(l, strings::fromutf8(line));
-		libui::resume(&l.ui);
+		libui::resume(&l.widget.ui);
 	case 'S' =>
 		// TODO add commandline support maybe
-		libui::suspend(&l.ui);
-		fmt::fprint(l.ui.f, "S: ")!;
-		let line = match (bufio::scanline(l.ui.f)) {
+		libui::suspend(&l.widget.ui);
+		fmt::fprint(l.widget.ui.f, "S: ")!;
+		let line = match (bufio::scanline(l.widget.ui.f)) {
 		case let s: []u8 =>
 			yield s;
 		case io::EOF =>
@@ -145,12 +145,12 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		};
 		defer free(line);
 		list::fnmatchmark(l, strings::fromutf8(line));
-		libui::resume(&l.ui);
+		libui::resume(&l.widget.ui);
 	case 'r' =>
 		// TODO add commandline support maybe
-		libui::suspend(&l.ui);
-		fmt::fprint(l.ui.f, "r: ")!;
-		let line = match (bufio::scanline(l.ui.f)) {
+		libui::suspend(&l.widget.ui);
+		fmt::fprint(l.widget.ui.f, "r: ")!;
+		let line = match (bufio::scanline(l.widget.ui.f)) {
 		case let s: []u8 =>
 			yield s;
 		case io::EOF =>
@@ -168,7 +168,7 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		case let e: regex::error =>
 			fmt::fprintln(os::stderr, regex::strerror(e))!;
 		};
-		libui::resume(&l.ui);
+		libui::resume(&l.widget.ui);
 	case ' ' =>
 		list::tmark(l);
 		list::down(l);
@@ -185,7 +185,7 @@ fn runehandler(l: *widget::widget, r: rune) bool = {
 		};
 		yield;
 	};
-	libui::clear(l.ui);
+	libui::clear(l.widget.ui);
 	match (list::print(l)) {
 	case void =>
 		yield;
diff --git a/libui/layout/layout.ha b/libui/layout/layout.ha
index ef6bf71..c15626f 100644
--- a/libui/layout/layout.ha
+++ b/libui/layout/layout.ha
@@ -1,3 +1,4 @@
+use libui;
 use libui::widget;
 use io;
 use unix::tty;
@@ -18,6 +19,7 @@ export fn newlayout(widgets: *widget::widget...) layout = {
 
 // Display all the widgets contained in the given layout.
 export fn print(layout: layout) (void | widget::error) = {
+	libui::clear(layout.widgets[0].ui);
 	for (let i = 0z; i < len(layout.widgets); i += 1) {
 		match (layout.widgets[i].print) {
 		case null =>
diff --git a/libui/widget/list/list.ha b/libui/widget/list/list.ha
index 6506ce1..e4b3209 100644
--- a/libui/widget/list/list.ha
+++ b/libui/widget/list/list.ha
@@ -13,7 +13,6 @@ use set;
 
 export type listwidget = struct {
 	widget: widget::widget,
-	ui: libui::ttyui,
 	items: []str,
 	marked: set::set,
 	cursor: size,
@@ -51,9 +50,9 @@ export fn newlist(ui: libui::ttyui, items: str...) listwidget = {
 		widget = widget::widget {
 			print = &print,
 			finish = &finish,
+			ui = ui,
 			...
 		},
-		ui = ui,
 		items = items,
 		marked = set::set {...},
 		cursor = 0z,
@@ -134,7 +133,7 @@ export fn print(list: *widget::widget) (void | widget::error) = {
 	// unsupported?
 	//io::copy(list.ui.f, &st)?;
 	let s = strio::string(&st);
-	libui::print(list.ui, s);
+	libui::print(list.widget.ui, s);
 	io::close(&st)?;
 };
 
diff --git a/libui/widget/widget.ha b/libui/widget/widget.ha
index 1f23aac..3bccd2f 100644
--- a/libui/widget/widget.ha
+++ b/libui/widget/widget.ha
@@ -1,3 +1,4 @@
+use libui;
 use io;
 use unix::tty;
 
@@ -50,6 +51,7 @@ export type widget = struct {
 	print: nullable *print,
 	finish: nullable *finish,
 	listeners: []listener,
+	ui: libui::ttyui,
 };
 
 // Add a listener to the given widget.
diff --git a/main.ha b/main.ha
index 298087d..bff260e 100644
--- a/main.ha
+++ b/main.ha
@@ -22,7 +22,7 @@ type mainUI = struct {
 fn sighandler(sig: int, info: *signal::siginfo, ucontext: *void) void = {
 	switch (sig) {
 	case signal::SIGWINCH =>
-		let sz = libui::getwinsize(u.list.ui)!;
+		let sz = libui::getwinsize(u.list.widget.ui)!;
 		let rows: (u16 | size) = if (sz.rows - 2 < len(u.list.items)) {
 			yield sz.rows - 2;
 		} else {
@@ -57,7 +57,7 @@ export fn main() void = {
 	defer layout::finishall(&layout);
 
 	//defer free(searchterm);
-	libui::clear(l.ui);
+	libui::clear(l.widget.ui);
 
 	match (layout::print(layout)) {
 	case void =>
-- 
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