Communicate with webextension via a pipe
This commit is contained in:
Quentin Rameau
parent
1bd6d20102
commit
7ea0c2f7f8
2
Makefile
2
Makefile
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@ -29,7 +29,7 @@ options:
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@$(LIBTOOL) --mode compile --tag CC $(CC) $(LIBCFLAGS) -c $<
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$(OBJ): config.h config.mk
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$(LIBOBJ): config.mk
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$(LIBOBJ): config.h config.mk
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config.h:
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@echo creating $@ from config.def.h
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16
config.def.h
16
config.def.h
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@ -143,15 +143,13 @@ static Key keys[] = {
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{ MODKEY, GDK_KEY_l, navigate, { .i = +1 } },
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{ MODKEY, GDK_KEY_h, navigate, { .i = -1 } },
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/* Currently we have to use scrolling steps that WebKit2GTK+ gives us
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* d: step down, u: step up, r: step right, l:step left
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* D: page down, U: page up */
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{ MODKEY, GDK_KEY_j, scroll, { .i = 'd' } },
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{ MODKEY, GDK_KEY_k, scroll, { .i = 'u' } },
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{ MODKEY, GDK_KEY_b, scroll, { .i = 'U' } },
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{ MODKEY, GDK_KEY_space, scroll, { .i = 'D' } },
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{ MODKEY, GDK_KEY_i, scroll, { .i = 'r' } },
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{ MODKEY, GDK_KEY_u, scroll, { .i = 'l' } },
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/* vertical and horizontal scrolling, in viewport percentage */
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{ MODKEY, GDK_KEY_j, scrollv, { .i = +10 } },
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{ MODKEY, GDK_KEY_k, scrollv, { .i = -10 } },
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{ MODKEY, GDK_KEY_b, scrollv, { .i = +50 } },
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{ MODKEY, GDK_KEY_space, scrollv, { .i = -50 } },
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{ MODKEY, GDK_KEY_i, scrollh, { .i = +10 } },
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{ MODKEY, GDK_KEY_u, scrollh, { .i = -10 } },
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{ MODKEY|GDK_SHIFT_MASK, GDK_KEY_j, zoom, { .i = -1 } },
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128
libsurf-webext.c
128
libsurf-webext.c
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@ -1,7 +1,131 @@
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <gio/gio.h>
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#include <webkit2/webkit-web-extension.h>
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#include <webkitdom/webkitdom.h>
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#include <webkitdom/WebKitDOMDOMWindowUnstable.h>
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#define LENGTH(x) (sizeof(x) / sizeof(x[0]))
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#define MSGBUFSZ 32
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typedef struct Page {
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guint64 id;
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WebKitWebPage *webpage;
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WebKitDOMDOMWindow *view;
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struct Page *next;
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} Page;
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static int pipein, pipeout;
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static Page *pages;
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Page *
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newpage(WebKitWebPage *page)
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{
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Page *p;
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if (!(p = calloc(1, sizeof(Page))))
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die("Cannot malloc!\n");
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p->next = pages;
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pages = p;
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p->id = webkit_web_page_get_id(page);
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p->webpage = page;
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return p;
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}
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static void
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msgsurf(Page *p, const char *s)
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{
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char msg[MSGBUFSZ];
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int ret;
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msg[0] = p ? p->id : 0;
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ret = snprintf(&msg[1], sizeof(msg) - 1, "%s", s);
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if (ret >= sizeof(msg)) {
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fprintf(stderr, "webext: message too long: %d\n", ret);
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return;
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}
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if (pipeout) {
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if (write(pipeout, msg, sizeof(msg)) < 0)
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fprintf(stderr, "webext: error sending: %s\n", msg);
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}
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}
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static gboolean
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readpipe(GIOChannel *s, GIOCondition c, gpointer unused)
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{
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char msg[MSGBUFSZ];
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gsize msgsz;
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GError *gerr = NULL;
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glong wh, ww;
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Page *p;
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if (g_io_channel_read_chars(s, msg, LENGTH(msg), &msgsz, &gerr) !=
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G_IO_STATUS_NORMAL) {
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fprintf(stderr, "webext: error reading pipe: %s\n",
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gerr->message);
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g_error_free(gerr);
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return TRUE;
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}
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msg[msgsz] = '\0';
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for (p = pages; p; p = p->next) {
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if (p->id == msg[0])
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break;
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}
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if (!p || !p->view)
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return TRUE;
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switch (msg[1]) {
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case 'h':
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ww = webkit_dom_dom_window_get_inner_width(p->view);
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webkit_dom_dom_window_scroll_by(p->view,
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(ww / 100) * msg[2], 0);
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break;
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case 'v':
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wh = webkit_dom_dom_window_get_inner_height(p->view);
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webkit_dom_dom_window_scroll_by(p->view,
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0, (wh / 100) * msg[2]);
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break;
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}
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return TRUE;
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}
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static void
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documentloaded(WebKitWebPage *wp, Page *p)
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{
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p->view = webkit_dom_document_get_default_view(
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webkit_web_page_get_dom_document(wp));
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}
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static void
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webpagecreated(WebKitWebExtension *e, WebKitWebPage *wp, gpointer unused)
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{
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Page *p = newpage(wp);
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g_signal_connect(wp, "document-loaded", G_CALLBACK(documentloaded), p);
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}
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G_MODULE_EXPORT void
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webkit_web_extension_initialize(WebKitWebExtension *e)
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webkit_web_extension_initialize_with_user_data(WebKitWebExtension *e, GVariant *gv)
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{
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return;
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GIOChannel *gchanpipe;
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g_signal_connect(e, "page-created", G_CALLBACK(webpagecreated), NULL);
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g_variant_get(gv, "(ii)", &pipein, &pipeout);
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msgsurf(NULL, "i");
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gchanpipe = g_io_channel_unix_new(pipein);
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g_io_channel_set_encoding(gchanpipe, NULL, NULL);
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g_io_channel_set_close_on_unref(gchanpipe, TRUE);
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g_io_add_watch(gchanpipe, G_IO_IN, readpipe, NULL);
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}
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114
surf.c
114
surf.c
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@ -11,7 +11,6 @@
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#include <pwd.h>
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#include <regex.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@ -28,11 +27,13 @@
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#include <webkit2/webkit2.h>
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#include <X11/X.h>
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#include <X11/Xatom.h>
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#include <glib.h>
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#include "arg.h"
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#define LENGTH(x) (sizeof(x) / sizeof(x[0]))
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#define CLEANMASK(mask) (mask & (MODKEY|GDK_SHIFT_MASK))
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#define MSGBUFSZ 32
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enum { AtomFind, AtomGo, AtomUri, AtomLast };
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@ -104,6 +105,7 @@ typedef struct Client {
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GTlsCertificate *cert, *failedcert;
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GTlsCertificateFlags tlserr;
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Window xid;
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unsigned long pageid;
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int progress, fullscreen, https, insecure, errorpage;
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const char *title, *overtitle, *targeturi;
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const char *needle;
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@ -171,6 +173,7 @@ static void updatewinid(Client *c);
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static void handleplumb(Client *c, const char *uri);
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static void newwindow(Client *c, const Arg *a, int noembed);
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static void spawn(Client *c, const Arg *a);
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static void msgext(Client *c, char type, const Arg *a);
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static void destroyclient(Client *c);
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static void cleanup(void);
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@ -183,6 +186,7 @@ static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
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static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
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gpointer d);
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static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
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static gboolean readpipe(GIOChannel *s, GIOCondition ioc, gpointer unused);
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static void showview(WebKitWebView *v, Client *c);
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static GtkWidget *createwindow(Client *c);
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static gboolean loadfailedtls(WebKitWebView *v, gchar *uri,
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@ -219,7 +223,8 @@ static void print(Client *c, const Arg *a);
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static void showcert(Client *c, const Arg *a);
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static void clipboard(Client *c, const Arg *a);
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static void zoom(Client *c, const Arg *a);
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static void scroll(Client *c, const Arg *a);
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static void scrollv(Client *c, const Arg *a);
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static void scrollh(Client *c, const Arg *a);
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static void navigate(Client *c, const Arg *a);
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static void stop(Client *c, const Arg *a);
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static void toggle(Client *c, const Arg *a);
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@ -247,6 +252,7 @@ static char *stylefile;
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static const char *useragent;
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static Parameter *curconfig;
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static int modparams[ParameterLast];
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static int pipein[2], pipeout[2];
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char *argv0;
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static ParamName loadtransient[] = {
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@ -318,6 +324,7 @@ die(const char *errstr, ...)
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void
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setup(void)
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{
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GIOChannel *gchanin;
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GdkDisplay *gdpy;
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int i, j;
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@ -348,6 +355,16 @@ setup(void)
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gdkkb = gdk_seat_get_keyboard(gdk_display_get_default_seat(gdpy));
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if (pipe(pipeout) < 0 || pipe(pipein) < 0) {
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fputs("Unable to create pipes\n", stderr);
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} else {
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gchanin = g_io_channel_unix_new(pipein[0]);
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g_io_channel_set_encoding(gchanin, NULL, NULL);
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g_io_channel_set_close_on_unref(gchanin, TRUE);
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g_io_add_watch(gchanin, G_IO_IN, readpipe, NULL);
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}
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for (i = 0; i < LENGTH(certs); ++i) {
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if (!regcomp(&(certs[i].re), certs[i].regex, REG_EXTENDED)) {
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certs[i].file = g_strconcat(certdir, "/", certs[i].file,
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@ -1033,6 +1050,8 @@ spawn(Client *c, const Arg *a)
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if (fork() == 0) {
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if (dpy)
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close(ConnectionNumber(dpy));
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close(pipein[0]);
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close(pipeout[1]);
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setsid();
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execvp(((char **)a->v)[0], (char **)a->v);
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fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
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@ -1065,6 +1084,9 @@ cleanup(void)
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{
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while (clients)
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destroyclient(clients);
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close(pipein[0]);
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close(pipeout[1]);
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g_free(cookiefile);
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g_free(scriptfile);
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g_free(stylefile);
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@ -1077,14 +1099,13 @@ newview(Client *c, WebKitWebView *rv)
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{
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WebKitWebView *v;
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WebKitSettings *settings;
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WebKitUserContentManager *contentmanager;
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WebKitWebContext *context;
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WebKitCookieManager *cookiemanager;
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WebKitUserContentManager *contentmanager;
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/* Webview */
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if (rv) {
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v = WEBKIT_WEB_VIEW(
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webkit_web_view_new_with_related_view(rv));
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v = WEBKIT_WEB_VIEW(webkit_web_view_new_with_related_view(rv));
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} else {
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settings = webkit_settings_new_with_settings(
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"allow-file-access-from-file-urls", curconfig[FileURLsCrossAccess].val.i,
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@ -1197,9 +1218,43 @@ newview(Client *c, WebKitWebView *rv)
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return v;
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}
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static gboolean
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readpipe(GIOChannel *s, GIOCondition ioc, gpointer unused)
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{
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char msg[MSGBUFSZ];
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gsize msgsz;
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GError *gerr = NULL;
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if (g_io_channel_read_chars(s, msg, sizeof(msg), &msgsz, &gerr) !=
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G_IO_STATUS_NORMAL) {
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fprintf(stderr, "surf: error reading pipe: %s\n",
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gerr->message);
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g_error_free(gerr);
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return TRUE;
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}
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msg[msgsz] = '\0';
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switch (msg[1]) {
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case 'i':
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close(pipein[1]);
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close(pipeout[0]);
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break;
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}
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return TRUE;
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}
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void
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initwebextensions(WebKitWebContext *wc, Client *c)
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{
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GVariant *gv;
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if (!pipeout[0] || !pipein[1])
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return;
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gv = g_variant_new("(ii)", pipeout[0], pipein[1]);
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webkit_web_context_set_web_extensions_initialization_user_data(wc, gv);
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webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
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}
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@ -1326,6 +1381,7 @@ showview(WebKitWebView *v, Client *c)
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c->finder = webkit_web_view_get_find_controller(c->view);
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c->inspector = webkit_web_view_get_inspector(c->view);
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c->pageid = webkit_web_view_get_page_id(c->view);
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c->win = createwindow(c);
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gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
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@ -1375,8 +1431,7 @@ createwindow(Client *c)
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gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
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g_free(wmstr);
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wmstr = g_strdup_printf("%s[%lu]", "Surf",
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webkit_web_view_get_page_id(c->view));
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wmstr = g_strdup_printf("%s[%lu]", "Surf", c->pageid);
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gtk_window_set_role(GTK_WINDOW(w), wmstr);
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g_free(wmstr);
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@ -1797,38 +1852,27 @@ zoom(Client *c, const Arg *a)
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curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
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}
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void
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scroll(Client *c, const Arg *a)
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static void
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msgext(Client *c, char type, const Arg *a)
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{
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GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
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char msg[MSGBUFSZ] = { c->pageid, type, a->i, '\0' };
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gdk_event_set_device(ev, gdkkb);
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ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
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ev->key.state = GDK_CONTROL_MASK;
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ev->key.time = GDK_CURRENT_TIME;
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switch (a->i) {
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case 'd':
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ev->key.keyval = GDK_KEY_Down;
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break;
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case 'D':
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ev->key.keyval = GDK_KEY_Page_Down;
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break;
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case 'l':
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ev->key.keyval = GDK_KEY_Left;
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break;
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case 'r':
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ev->key.keyval = GDK_KEY_Right;
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break;
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case 'U':
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ev->key.keyval = GDK_KEY_Page_Up;
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break;
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case 'u':
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ev->key.keyval = GDK_KEY_Up;
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break;
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if (pipeout[1]) {
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if (write(pipeout[1], msg, sizeof(msg)) < 0)
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fprintf(stderr, "surf: error sending: %s\n", msg);
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}
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}
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gdk_event_put(ev);
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void
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scrollv(Client *c, const Arg *a)
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{
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msgext(c, 'v', a);
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}
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void
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scrollh(Client *c, const Arg *a)
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{
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msgext(c, 'h', a);
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}
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void
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