Initial Commit.

1 files changed, 234 insertions, 0 deletions

diff --git a/surf.c b/surf.c
new file mode 100644
index 0000000..550eda1
--- /dev/null
+++ b/surf.c
@@ -0,0 +1,234 @@
+#include <gtk/gtk.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <webkit/webkit.h>
+
+#define LENGTH(x) (sizeof x / sizeof x[0])
+/* Plan9-style Argument parsing */
+/* Vars: _c -> count; _b -> break; _a -> argument */
+#define ARG int _c, _b; char *_a; \
+	for(_c = 1; _c < argc && argv[_c][0] == '-' && argv[_c][1] && \
+			(strcmp(argv[_c], "--") != 0); _c++) \
+		for(_a = &argv[_c][1], _b = 0; !_b && *_a; _a++ ) \
+			switch(*_a)
+#define ARGVAL()	(!_b && _a[1] && (_b = 1) ? &_a[1] : _c + 1 == argc ? \
+		0 : argv[++_c])
+#define ARGCHR()	(*_a)
+#define ARGC()		_c
+
+GtkWidget *win;
+GtkWidget *browser;
+WebKitWebView *view;
+gchar *title;
+gint progress = 100;
+gboolean embed = FALSE;
+
+static void setup(void);
+static void cleanup(void);
+static void updatetitle(void);
+static void windestroy(GtkWidget* w, gpointer d);
+static gboolean keypress(GtkWidget* w, GdkEventKey *ev);
+static void titlechange(WebKitWebView* view, WebKitWebFrame* frame, const gchar* title, gpointer d);
+static void progresschange(WebKitWebView *view, gint p, gpointer d);
+static void loadcommit(WebKitWebView *view, WebKitWebFrame *f, gpointer d);
+static void loadstart(WebKitWebView *view, WebKitWebFrame *f, gpointer d);
+static void loadfinish(WebKitWebView *view, WebKitWebFrame *f, gpointer d);
+static void linkhover(WebKitWebView* page, const gchar* t, const gchar* l, gpointer d);
+static gboolean newwindow(WebKitWebView *view, WebKitWebFrame *f,
+		WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
+		WebKitWebPolicyDecision *p, gpointer d);
+static gboolean download(WebKitWebView *view, GObject *o, gpointer d);
+static void loaduri(gchar *uri);
+static void loadfile(gchar *f);
+static void setupstdin();
+static gboolean readstdin(GIOChannel *c, GIOCondition con);
+
+gboolean
+readstdin(GIOChannel *c, GIOCondition con) {
+	gchar *line, *p;
+	GIOStatus ret;
+
+	ret = g_io_channel_read_line(c, &line, NULL, NULL, NULL);
+	if(ret == G_IO_STATUS_ERROR || ret == G_IO_STATUS_EOF)
+		return FALSE;
+	for(p = line; *p && *p != '\n'; p++);
+	*p = '\0';
+	loaduri(line);
+	g_free(line);
+	return TRUE;
+}
+
+void
+setupstdin() {
+	GIOChannel *c = NULL;
+
+	c = g_io_channel_unix_new(STDIN_FILENO);
+	if(c && !g_io_add_watch(c, G_IO_IN|G_IO_HUP, (GIOFunc) readstdin, NULL))
+			g_error("Stdin: could not add watch\n");
+}
+
+void
+loadfile(gchar *f) {
+	GIOChannel *c = NULL;
+	GError *e = NULL;
+	GString *code = g_string_new("");
+	gchar *line;
+
+	/* cannot use fileno in c99 - workaround*/
+	if(strcmp(f, "-") == 0)
+		c = g_io_channel_unix_new(STDIN_FILENO);
+	else
+		c = g_io_channel_new_file(f, "r", NULL);
+	if (c) {
+		while(g_io_channel_read_line(c, &line, NULL, NULL, &e) == G_IO_STATUS_NORMAL) {
+			g_string_append(code, line);
+			g_free(line);
+		}
+		webkit_web_view_load_html_string(view, code->str, NULL);
+		g_io_channel_shutdown(c, FALSE, NULL);
+	}
+}
+
+static void loaduri(gchar *uri) {
+	GString* u = g_string_new(uri);
+	if(g_strrstr(u->str, "://") == NULL)
+		g_string_prepend(u, "http://");
+	webkit_web_view_load_uri(view, u->str);
+	g_string_free(u, TRUE);
+}
+
+gboolean
+download(WebKitWebView *view, GObject *o, gpointer d) {
+	/* TODO */
+	return FALSE;
+}
+
+gboolean
+newwindow(WebKitWebView *view, WebKitWebFrame *f,
+		WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
+		WebKitWebPolicyDecision *p, gpointer d) {
+	/* TODO */
+	return FALSE;
+}
+void
+linkhover(WebKitWebView* page, const gchar* t, const gchar* l, gpointer d) {
+	/* TODO */
+}
+
+void
+loadstart(WebKitWebView *view, WebKitWebFrame *f, gpointer d) {
+	/* ??? TODO */
+}
+
+void
+loadcommit(WebKitWebView *view, WebKitWebFrame *f, gpointer d) {
+	/* ??? TODO */
+}
+
+void
+loadfinish(WebKitWebView *view, WebKitWebFrame *f, gpointer d) {
+	/* ??? TODO */
+}
+
+void
+progresschange(WebKitWebView* view, gint p, gpointer d) {
+	progress = p;
+	updatetitle();
+}
+
+void
+updatetitle() {
+	char t[512];
+	snprintf(t, LENGTH(t), "%s [%i%%]", title, progress);
+	gtk_window_set_title(GTK_WINDOW(win), t);
+}
+
+void
+titlechange(WebKitWebView *v, WebKitWebFrame *f, const gchar *t, gpointer d) {
+	if(title)
+		g_free(title);
+	title = g_strdup(t);
+	updatetitle();
+}
+
+void
+windestroy(GtkWidget* w, gpointer d) {
+	gtk_main_quit();
+}
+
+gboolean
+keypress(GtkWidget* w, GdkEventKey *ev) {
+	/* TODO */
+	return FALSE;
+}
+
+void setup(void) {
+	win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	gtk_window_set_default_size(GTK_WINDOW(win), 800, 600);
+	gtk_widget_set_name(win, "surf window");
+	browser = gtk_scrolled_window_new(NULL, NULL);
+	g_signal_connect (G_OBJECT(win), "destroy", G_CALLBACK(windestroy), NULL);
+	g_signal_connect (G_OBJECT(win), "key-press-event", G_CALLBACK(keypress), NULL);
+
+	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(browser),
+			GTK_POLICY_NEVER, GTK_POLICY_NEVER);
+	view = WEBKIT_WEB_VIEW(webkit_web_view_new());
+	gtk_container_add(GTK_CONTAINER(browser), GTK_WIDGET(view));
+
+	g_signal_connect(G_OBJECT(view), "title-changed", G_CALLBACK(titlechange), view);
+	g_signal_connect(G_OBJECT(view), "load-progress-changed", G_CALLBACK(progresschange), view);
+	g_signal_connect(G_OBJECT(view), "load-committed", G_CALLBACK(loadcommit), view);
+	g_signal_connect(G_OBJECT(view), "load-started", G_CALLBACK(loadstart), view);
+	g_signal_connect(G_OBJECT(view), "load-finished", G_CALLBACK(loadfinish), view);
+	g_signal_connect(G_OBJECT(view), "hovering-over-link", G_CALLBACK(linkhover), view);
+	g_signal_connect(G_OBJECT(view), "new-window-policy-decision-requested", G_CALLBACK(newwindow), view);
+	g_signal_connect(G_OBJECT(view), "download-requested", G_CALLBACK(download), view);
+	/* g_signal_connect(G_OBJECT(view), "create-web-view", G_CALLBACK(createwebview), view); */
+
+	gtk_container_add(GTK_CONTAINER(win), browser);
+	gtk_widget_grab_focus(GTK_WIDGET(view));
+	gtk_widget_show_all(win);
+}
+
+void cleanup() {
+}
+
+int main(int argc, char *argv[]) {
+	gchar *uri = NULL, *file = NULL;
+
+	ARG {
+	case 'e':
+		embed = TRUE;
+		break;
+	case 'u':
+		if(!(uri = ARGVAL()))
+			goto argerr;
+		break;
+	case 'f':
+		if(!(file = ARGVAL()))
+			goto argerr;
+		break;
+	argerr:
+	default:
+		puts("surf - simple browser");
+		printf("usage: %s [-e] [-u uri] [-f file]", argv[0]);
+		return EXIT_FAILURE;
+	}
+	if(argc != ARGC())
+		goto argerr;
+	gtk_init(NULL, NULL);
+	if (!g_thread_supported())
+		g_thread_init(NULL);
+	setup();
+	if(uri)
+		loaduri(uri);
+	else if(file)
+		loadfile(file);
+	setupstdin();
+	updatetitle();
+	gtk_main();
+	cleanup();
+	return EXIT_SUCCESS;
+}