From bbd6d152e7f22013d10572985784ea4f5fb7d013 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Tue, 24 Jan 2023 21:48:33 +0100
Subject: make it work

---
 Makefile   |  3 +++
 config.hpp |  4 ++++
 sb.cpp     | 56 +++++++++++++++++++++++++++++++++++++++-----------------
 3 files changed, 46 insertions(+), 17 deletions(-)
 create mode 100644 config.hpp

diff --git a/Makefile b/Makefile
index 07988bc..bc8854e 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,9 @@ include config.mk
 sb: sb.cpp
 	g++ sb.cpp -o sb $(LDFLAGS)
 
+clean:
+	rm sb
+
 install:
 	install sb /usr/local/bin/
 
diff --git a/config.hpp b/config.hpp
new file mode 100644
index 0000000..e9c9fa1
--- /dev/null
+++ b/config.hpp
@@ -0,0 +1,4 @@
+const bool     enable_smooth_scrollig = true;
+const char     search_engine[]        = "https://searx.org/?q=";
+const char     dmenu_args[]           = "-s 0";
+const unsigned scroll_speed           = 100;
diff --git a/sb.cpp b/sb.cpp
index 661ba4b..617c3b7 100644
--- a/sb.cpp
+++ b/sb.cpp
@@ -5,6 +5,8 @@
 #include <QtGui/QWindow>
 #include <QtWidgets/QMainWindow>
 #include <QtWebEngineWidgets/QWebEngineView>
+#include <QWebEngineView>
+#include <QtWebEngineWidgets/QWebEngineProfile>
 #include <QtWidgets/QWidget>
 #include <QtWidgets/QLayout>
 #include <QtWidgets/QLabel>
@@ -13,13 +15,15 @@
 #include <QtX11Extras/QX11Info>
 #include <X11/Xlib.h>
 
+#include "config.hpp"
 
 bool is_valid_url(const std::string & url);
 void open_url(const std::string & url);
 void search();
 void page_scroll(int scroll);
-class Main;
+void goto_end(bool end);
 void get_window_id();
+class Main;
 uint32_t parent_id = 0;
 
 bool is_valid_url(const std::string & url) {
@@ -39,22 +43,26 @@ class Main : public QMainWindow {
 			if (event->text() == "o")
 				search();
 			else if (event->text() == "j")
-				page_scroll(20);
+				page_scroll(scroll_speed);
 			else if (event->text() == "k")
-				page_scroll(-20);
+				page_scroll(-scroll_speed);
 			else if (event->text() == "H")
 				web->back();
 			else if (event->text() == "L")
 				web->forward();
 			else if (event->text() == "r")
 				web->reload();
+			else if (event->text() == "g")
+				goto_end(false);
+			else if (event->text() == "G")
+				goto_end(true);
 		}
 };
 
 std::string read_from_dmenu() {
 	std::string output;
 
-	std::string cmd = "printf '' | dmenu -p 'open: ' -w ";
+	std::string cmd = std::string("printf '' | dmenu -p 'open: ' ") + dmenu_args + " -w ";
 	cmd += std::to_string(view->winId());
 
 	FILE * f = popen(cmd.c_str(), "r");
@@ -91,11 +99,18 @@ void search() {
 		return;
 	}
 
-	open_url("https://duckduckgo.com/?q=" + url);
+	open_url(search_engine + url);
 }
 
 void page_scroll(int scroll) {
-	std::string js = "window.scrollBy(0, " + std::to_string(scroll) + ");";
+	std::string js = "window.scrollBy({ top: " + std::to_string(scroll) + ", behavior: 'smooth' });";
+	web->page()->runJavaScript(QString::fromStdString(js));
+}
+
+void goto_end(bool end) {
+	std::string js;
+	if (end) js = "window.scroll({ top: document.body.scrollHeight, behavior: 'smooth' })";
+	else     js = "window.scroll({ top: 0, behavior: 'smooth' })";
 	web->page()->runJavaScript(QString::fromStdString(js));
 }
 
@@ -106,25 +121,32 @@ void help(char *arg0) {
 
 int
 main(int argc, char **argv) {
-	QApplication app(argc, argv);
+	std::vector<char*> arg(argv, argv + argc);
+
+	if (enable_smooth_scrollig)
+		arg.emplace_back((char*)"--enable-smooth-scrolling");
+
+	int size = arg.size();
+
+	QApplication app(size, arg.data());
+	QWebEngineProfile profile;
+	QWebEnginePage page(&profile);
+
 	view = new Main();
 	web = new QWebEngineView();
-	std::cout << getenv("WWW_HOME") << '\n';
+	web->setPage(&page);
 	web->load(QUrl(getenv("WWW_HOME")));
 
-	if (argc == 3) {
-		if (argv[1] == std::string("-e")) {
-			dpy = XOpenDisplay(NULL);
-			parent_id = std::stoi(argv[2]);
-			XReparentWindow(dpy, view->winId(), parent_id, 0, 0);
-			XFlush(dpy);
-		} else {
-			help(argv[0]);
-		}
+	if (argc == 3 && argv[1] == std::string("-e")) {
+		dpy = XOpenDisplay(NULL);
+		parent_id = std::stoi(argv[2]);
+		XReparentWindow(dpy, view->winId(), parent_id, 0, 0);
+		XFlush(dpy);
 	} else if (argc != 1) {
 		help(argv[0]);
 	}
 
+
 	view->show();
 	view->setCentralWidget(web);
 
-- 
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