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browser.c
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#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gtk/gtkx.h>
#include <gdk/gdkkeysyms.h>
#include <gio/gio.h>
#include <webkit2/webkit2.h>
static void client_destroy(GtkWidget *, gpointer);
static gboolean client_destroy_request(WebKitWebView *, gpointer);
static WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean);
static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
gpointer);
static void cooperation_setup(void);
static void changed_download_progress(GObject *, GParamSpec *, gpointer);
static void changed_load_progress(GObject *, GParamSpec *, gpointer);
static void changed_title(GObject *, GParamSpec *, gpointer);
static void changed_uri(GObject *, GParamSpec *, gpointer);
static gboolean crashed_web_view(WebKitWebView *, gpointer);
static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
WebKitPolicyDecisionType, gpointer);
static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
static void downloadmanager_cancel(GtkToolButton *, gpointer data);
static gboolean downloadmanager_delete(GtkWidget *, gpointer);
static void downloadmanager_setup(void);
static gchar *ensure_uri_scheme(const gchar *);
static void external_handler_run(GtkAction *, gpointer);
static void grab_environment_configuration(void);
static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
static gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
static void keywords_load(void);
static gboolean keywords_try_search(WebKitWebView *, const gchar *);
static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
WebKitHitTestResult *, gpointer);
static gboolean quit_if_nothing_active(void);
static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
static void search(gpointer, gint);
static void show_web_view(WebKitWebView *, gpointer);
static Window tabbed_launch(void);
static void trust_user_certs(WebKitWebContext *);
struct Client
{
gchar *external_handler_uri;
gchar *hover_uri;
GtkWidget *location;
GtkWidget *vbox;
GtkWidget *web_view;
GtkWidget *win;
};
struct DownloadManager
{
GtkWidget *scroll;
GtkWidget *toolbar;
GtkWidget *win;
} dm;
static const gchar *accepted_language[2] = { NULL, NULL };
static gint clients = 0, downloads = 0;
static gboolean cooperative_alone = TRUE;
static gboolean cooperative_instances = TRUE;
static int cooperative_pipe_fp = 0;
static gchar *download_dir = "/var/tmp";
static gboolean enable_webgl = FALSE;
static Window embed = 0;
static gchar *fifo_suffix = "main";
static gdouble global_zoom = 1.0;
static gchar *history_file = NULL;
static gchar *home_uri = "about:blank";
static gboolean initial_wc_setup_done = FALSE;
static GHashTable *keywords = NULL;
static gchar *search_text = NULL;
static gboolean tabbed_automagic = TRUE;
static gchar *user_agent = NULL;
void
client_destroy(GtkWidget *widget, gpointer data)
{
struct Client *c = (struct Client *)data;
g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
changed_load_progress, c);
free(c);
clients--;
quit_if_nothing_active();
}
gboolean
client_destroy_request(WebKitWebView *web_view, gpointer data)
{
struct Client *c = (struct Client *)data;
gtk_widget_destroy(c->win);
return TRUE;
}
WebKitWebView *
client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show)
{
struct Client *c;
WebKitWebContext *wc;
gchar *f;
if (uri != NULL && cooperative_instances && !cooperative_alone)
{
f = ensure_uri_scheme(uri);
write(cooperative_pipe_fp, f, strlen(f));
write(cooperative_pipe_fp, "\n", 1);
g_free(f);
return NULL;
}
c = calloc(1, sizeof(struct Client));
if (!c)
{
fprintf(stderr, __NAME__": fatal: calloc failed\n");
exit(EXIT_FAILURE);
}
if (embed != 0)
{
c->win = gtk_plug_new(embed);
if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
{
fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
gtk_widget_destroy(c->win);
c->win = NULL;
embed = 0;
}
}
if (c->win == NULL)
c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
if (related_wv == NULL)
c->web_view = webkit_web_view_new();
else
c->web_view = webkit_web_view_new_with_related_view(related_wv);
wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
g_signal_connect(G_OBJECT(c->web_view), "notify::title",
G_CALLBACK(changed_title), c);
g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
G_CALLBACK(changed_uri), c);
g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
G_CALLBACK(changed_load_progress), c);
g_signal_connect(G_OBJECT(c->web_view), "create",
G_CALLBACK(client_new_request), NULL);
g_signal_connect(G_OBJECT(c->web_view), "context-menu",
G_CALLBACK(menu_web_view), c);
g_signal_connect(G_OBJECT(c->web_view), "close",
G_CALLBACK(client_destroy_request), c);
g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
G_CALLBACK(decide_policy), NULL);
g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
G_CALLBACK(key_web_view), c);
g_signal_connect(G_OBJECT(c->web_view), "button-press-event",
G_CALLBACK(key_web_view), c);
g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
G_CALLBACK(key_web_view), c);
g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
G_CALLBACK(hover_web_view), c);
g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
G_CALLBACK(crashed_web_view), c);
if (!initial_wc_setup_done)
{
if (accepted_language[0] != NULL)
webkit_web_context_set_preferred_languages(wc, accepted_language);
g_signal_connect(G_OBJECT(wc), "download-started",
G_CALLBACK(download_handle_start), NULL);
trust_user_certs(wc);
initial_wc_setup_done = TRUE;
}
if (user_agent != NULL)
g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
"user-agent", user_agent, NULL);
if (enable_webgl)
webkit_settings_set_enable_webgl(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
c->location = gtk_entry_new();
g_signal_connect(G_OBJECT(c->location), "key-press-event",
G_CALLBACK(key_location), c);
c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
if (show)
show_web_view(NULL, c);
else
g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
G_CALLBACK(show_web_view), c);
if (uri != NULL)
{
f = ensure_uri_scheme(uri);
webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
g_free(f);
}
clients++;
return WEBKIT_WEB_VIEW(c->web_view);
}
WebKitWebView *
client_new_request(WebKitWebView *web_view,
WebKitNavigationAction *navigation_action, gpointer data)
{
return client_new(NULL, web_view, FALSE);
}
void
cooperation_setup(void)
{
GIOChannel *towatch;
gchar *fifofilename, *fifopath;
fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
g_free(fifofilename);
if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
mkfifo(fifopath, 0600);
cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
if (!cooperative_pipe_fp)
{
fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
}
else
{
if (write(cooperative_pipe_fp, "", 0) == -1)
{
/* Could not do an empty write to the FIFO which means there's
* no one listening. */
close(cooperative_pipe_fp);
towatch = g_io_channel_new_file(fifopath, "r+", NULL);
g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
}
else
cooperative_alone = FALSE;
}
g_free(fifopath);
}
void
changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
{
WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
WebKitURIResponse *resp;
GtkToolItem *tb = GTK_TOOL_ITEM(data);
gdouble p, size_mb;
const gchar *uri;
gchar *t, *filename, *base;
p = webkit_download_get_estimated_progress(download);
p = p > 1 ? 1 : p;
p = p < 0 ? 0 : p;
p *= 100;
resp = webkit_download_get_response(download);
size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
uri = webkit_download_get_destination(download);
filename = g_filename_from_uri(uri, NULL, NULL);
if (filename == NULL)
{
/* This really should not happen because WebKit uses that URI to
* write to a file... */
fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
webkit_uri_response_get_uri(resp), p, size_mb);
}
else
{
base = g_path_get_basename(filename);
t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
g_free(filename);
g_free(base);
}
gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
g_free(t);
}
void
changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
{
struct Client *c = (struct Client *)data;
gdouble p;
p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
if (p == 1)
p = 0;
gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
}
void
changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
{
const gchar *t, *u;
struct Client *c = (struct Client *)data;
u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
u = u == NULL ? __NAME__ : u;
u = u[0] == 0 ? __NAME__ : u;
t = t == NULL ? u : t;
t = t[0] == 0 ? u : t;
gtk_window_set_title(GTK_WINDOW(c->win), t);
}
void
changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
{
const gchar *t;
struct Client *c = (struct Client *)data;
FILE *fp;
t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
/* When a web process crashes, we get a "notify::uri" signal, but we
* can no longer read a meaningful URI. It's just an empty string
* now. Not updating the location bar in this scenario is important,
* because we would override the "WEB PROCESS CRASHED" message. */
if (t != NULL && strlen(t) > 0)
{
gtk_entry_set_text(GTK_ENTRY(c->location), t);
if (history_file != NULL)
{
fp = fopen(history_file, "a");
if (fp != NULL)
{
fprintf(fp, "%s\n", t);
fclose(fp);
}
else
perror(__NAME__": Error opening history file");
}
}
}
gboolean
crashed_web_view(WebKitWebView *web_view, gpointer data)
{
gchar *t;
struct Client *c = (struct Client *)data;
t = g_strdup_printf("WEB PROCESS CRASHED: %s",
webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
gtk_entry_set_text(GTK_ENTRY(c->location), t);
g_free(t);
return TRUE;
}
gboolean
decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
WebKitPolicyDecisionType type, gpointer data)
{
WebKitResponsePolicyDecision *r;
switch (type)
{
case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
if (!webkit_response_policy_decision_is_mime_type_supported(r))
webkit_policy_decision_download(decision);
else
webkit_policy_decision_use(decision);
break;
default:
/* Use whatever default there is. */
return FALSE;
}
return TRUE;
}
void
download_handle_finished(WebKitDownload *download, gpointer data)
{
downloads--;
}
void
download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
gpointer data)
{
g_signal_connect(G_OBJECT(download), "decide-destination",
G_CALLBACK(download_handle), data);
}
gboolean
download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
{
gchar *sug_clean, *path, *path2 = NULL, *uri;
GtkToolItem *tb;
int suffix = 1;
size_t i;
sug_clean = g_strdup(suggested_filename);
for (i = 0; i < strlen(sug_clean); i++)
if (sug_clean[i] == G_DIR_SEPARATOR)
sug_clean[i] = '_';
path = g_build_filename(download_dir, sug_clean, NULL);
path2 = g_strdup(path);
while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
{
g_free(path2);
path2 = g_strdup_printf("%s.%d", path, suffix);
suffix++;
}
if (suffix == 1000)
{
fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
webkit_download_cancel(download);
}
else
{
uri = g_filename_to_uri(path2, NULL, NULL);
webkit_download_set_destination(download, uri);
g_free(uri);
tb = gtk_tool_button_new(NULL, NULL);
gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
gtk_widget_show_all(dm.win);
g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
G_CALLBACK(changed_download_progress), tb);
downloads++;
g_signal_connect(G_OBJECT(download), "finished",
G_CALLBACK(download_handle_finished), NULL);
g_object_ref(download);
g_signal_connect(G_OBJECT(tb), "clicked",
G_CALLBACK(downloadmanager_cancel), download);
}
g_free(sug_clean);
g_free(path);
g_free(path2);
/* Propagate -- to whom it may concern. */
return FALSE;
}
void
downloadmanager_cancel(GtkToolButton *tb, gpointer data)
{
WebKitDownload *download = WEBKIT_DOWNLOAD(data);
webkit_download_cancel(download);
g_object_unref(download);
gtk_widget_destroy(GTK_WIDGET(tb));
}
gboolean
downloadmanager_delete(GtkWidget *obj, gpointer data)
{
if (!quit_if_nothing_active())
gtk_widget_hide(dm.win);
return TRUE;
}
void
downloadmanager_setup(void)
{
dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
g_signal_connect(G_OBJECT(dm.win), "delete-event",
G_CALLBACK(downloadmanager_delete), NULL);
g_signal_connect(G_OBJECT(dm.win), "key-press-event",
G_CALLBACK(key_downloadmanager), NULL);
dm.toolbar = gtk_toolbar_new();
gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
GTK_ORIENTATION_VERTICAL);
gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
dm.scroll = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
}
gchar *
ensure_uri_scheme(const gchar *t)
{
gchar *f, *fabs;
f = g_ascii_strdown(t, -1);
if (!g_str_has_prefix(f, "http:") &&
!g_str_has_prefix(f, "https:") &&
!g_str_has_prefix(f, "file:") &&
!g_str_has_prefix(f, "about:"))
{
g_free(f);
fabs = realpath(t, NULL);
if (fabs != NULL)
{
f = g_strdup_printf("file://%s", fabs);
free(fabs);
}
else
f = g_strdup_printf("http://%s", t);
return f;
}
else
return g_strdup(t);
}
void
external_handler_run(GtkAction *action, gpointer data)
{
struct Client *c = (struct Client *)data;
gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
GPid pid;
GError *err = NULL;
(void)action;
argv[2] = c->external_handler_uri;
if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
&pid, &err))
{
fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
err->message);
g_error_free(err);
}
else
g_spawn_close_pid(pid);
}
void
grab_environment_configuration(void)
{
const gchar *e;
e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
if (e != NULL)
accepted_language[0] = g_strdup(e);
e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
if (e != NULL)
download_dir = g_strdup(e);
e = g_getenv(__NAME_UPPERCASE__"_ENABLE_EXPERIMENTAL_WEBGL");
if (e != NULL)
enable_webgl = TRUE;
e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
if (e != NULL)
fifo_suffix = g_strdup(e);
e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
if (e != NULL)
history_file = g_strdup(e);
e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
if (e != NULL)
home_uri = g_strdup(e);
e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
if (e != NULL)
user_agent = g_strdup(e);
e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
if (e != NULL)
global_zoom = atof(e);
}
void
hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
gpointer data)
{
struct Client *c = (struct Client *)data;
if (!gtk_widget_is_focus(c->location))
{
if (webkit_hit_test_result_context_is_link(ht))
{
gtk_entry_set_text(GTK_ENTRY(c->location),
webkit_hit_test_result_get_link_uri(ht));
if (c->hover_uri != NULL)
g_free(c->hover_uri);
c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
}
else
{
gtk_entry_set_text(GTK_ENTRY(c->location),
webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
if (c->hover_uri != NULL)
g_free(c->hover_uri);
c->hover_uri = NULL;
}
}
}
gboolean
key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
{
struct Client *c = (struct Client *)data;
WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
gchar *f;
if (event->type == GDK_KEY_PRESS)
{
if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
{
switch (((GdkEventKey *)event)->keyval)
{
case GDK_KEY_q: /* close window (left hand) */
gtk_widget_destroy(c->win);
return TRUE;
case GDK_KEY_w: /* home (left hand) */
f = ensure_uri_scheme(home_uri);
webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
g_free(f);
return TRUE;
case GDK_KEY_e: /* new tab (left hand) */
f = ensure_uri_scheme(home_uri);
client_new(f, NULL, TRUE);
g_free(f);
return TRUE;
case GDK_KEY_r: /* reload (left hand) */
webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
c->web_view));
return TRUE;
case GDK_KEY_d: /* download manager (left hand) */
gtk_widget_show_all(dm.win);
return TRUE;
case GDK_KEY_2: /* search forward (left hand) */
case GDK_KEY_n: /* search forward (maybe both hands) */
search(c, 1);
return TRUE;
case GDK_KEY_3: /* search backward (left hand) */
search(c, -1);
return TRUE;
case GDK_KEY_l: /* location (BOTH hands) */
gtk_widget_grab_focus(c->location);
return TRUE;
case GDK_KEY_k: /* initiate search (BOTH hands) */
gtk_widget_grab_focus(c->location);
gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
return TRUE;
case GDK_KEY_c: /* reload trusted certs (left hand) */
trust_user_certs(wc);
return TRUE;
case GDK_KEY_x: /* launch external handler (left hand) */
if (c->external_handler_uri != NULL)
g_free(c->external_handler_uri);
c->external_handler_uri = g_strdup(
webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
external_handler_run(NULL, c);
return TRUE;
}
}
/* navigate backward (left hand) */
else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
{
webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
return TRUE;
}
/* navigate forward (left hand) */
else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
{
webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
return TRUE;
}
}
return FALSE;
}
gboolean
key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
{
if (event->type == GDK_KEY_PRESS)
{
if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
{
switch (((GdkEventKey *)event)->keyval)
{
case GDK_KEY_d: /* close window (left hand) */
case GDK_KEY_q:
downloadmanager_delete(dm.win, NULL);
return TRUE;
}
}
}
return FALSE;
}
gboolean
key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
{
struct Client *c = (struct Client *)data;
const gchar *t;
gchar *f;
if (key_common(widget, event, data))
return TRUE;
if (event->type == GDK_KEY_PRESS)
{
switch (((GdkEventKey *)event)->keyval)
{
case GDK_KEY_KP_Enter:
case GDK_KEY_Return:
gtk_widget_grab_focus(c->web_view);
t = gtk_entry_get_text(GTK_ENTRY(c->location));
if (t != NULL && t[0] == ':' && t[1] == '/')
{
if (search_text != NULL)
g_free(search_text);
search_text = g_strdup(t + 2); /* XXX whacky */
search(c, 0);
}
else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
{
f = ensure_uri_scheme(t);
webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
g_free(f);
}
return TRUE;
case GDK_KEY_Escape:
t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
gtk_entry_set_text(GTK_ENTRY(c->location),
(t == NULL ? __NAME__ : t));
return TRUE;
}
}
return FALSE;
}
gboolean
key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
{
struct Client *c = (struct Client *)data;
gdouble dx, dy;
gfloat z;
if (key_common(widget, event, data))
return TRUE;
if (event->type == GDK_KEY_PRESS)
{
if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
{
webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
}
}
else if (event->type == GDK_BUTTON_PRESS)
{
switch (((GdkEventButton *)event)->button)
{
case 2:
if (c->hover_uri != NULL)
{
client_new(c->hover_uri, NULL, TRUE);
return TRUE;
}
break;
case 8:
webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
return TRUE;
case 9:
webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
return TRUE;
}
}
else if (event->type == GDK_SCROLL)
{
if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
{
gdk_event_get_scroll_deltas(event, &dx, &dy);
z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
z += -dy * 0.1;
z = dx != 0 ? global_zoom : z;
webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
return TRUE;
}
}
return FALSE;
}
void
keywords_load(void)
{
GError *err = NULL;
GIOChannel *channel = NULL;
gchar *path = NULL, *buf = NULL;
gchar **tokens = NULL;
keywords = g_hash_table_new(g_str_hash, g_str_equal);
path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
NULL);
channel = g_io_channel_new_file(path, "r", &err);
if (channel != NULL)
{
while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
== G_IO_STATUS_NORMAL)
{
g_strstrip(buf);
if (buf[0] != '#')
{
tokens = g_strsplit(buf, " ", 2);
if (tokens[0] != NULL && tokens[1] != NULL)
g_hash_table_insert(keywords, g_strdup(tokens[0]),
g_strdup(tokens[1]));
g_strfreev(tokens);
}
g_free(buf);
}
g_io_channel_shutdown(channel, FALSE, NULL);
}
g_free(path);
}
gboolean
keywords_try_search(WebKitWebView *web_view, const gchar *t)
{
gboolean ret = FALSE;
gchar **tokens = NULL;
gchar *val = NULL, *escaped = NULL, *uri = NULL;
tokens = g_strsplit(t, " ", 2);
if (tokens[0] != NULL && tokens[1] != NULL)
{
val = g_hash_table_lookup(keywords, tokens[0]);
if (val != NULL)
{
escaped = g_uri_escape_string(tokens[1], NULL, TRUE);
uri = g_strdup_printf((gchar *)val, escaped);
webkit_web_view_load_uri(web_view, uri);
g_free(uri);
g_free(escaped);
ret = TRUE;
}
}
g_strfreev(tokens);
return ret;
}
gboolean
menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
WebKitHitTestResult *ht, gpointer data)
{
struct Client *c = (struct Client *)data;
GtkAction *action = NULL;
WebKitContextMenuItem *mi = NULL;
const gchar *uri = NULL;
(void)ev;
if (webkit_hit_test_result_context_is_link(ht))
uri = webkit_hit_test_result_get_link_uri(ht);
else if (webkit_hit_test_result_context_is_image(ht))
uri = webkit_hit_test_result_get_image_uri(ht);
else if (webkit_hit_test_result_context_is_media(ht))
uri = webkit_hit_test_result_get_media_uri(ht);
if (uri != NULL)
{
webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
if (c->external_handler_uri != NULL)
g_free(c->external_handler_uri);
c->external_handler_uri = g_strdup(uri);
action = gtk_action_new("external_handler", "Open with external handler",
NULL, NULL);
g_signal_connect(G_OBJECT(action), "activate",
G_CALLBACK(external_handler_run), data);
mi = webkit_context_menu_item_new(action);
webkit_context_menu_append(menu, mi);
}
/* FALSE = Show the menu. (TRUE = Don't ever show it.) */
return FALSE;
}
gboolean
quit_if_nothing_active(void)
{
if (clients == 0)
{
if (downloads == 0)
{
gtk_main_quit();
return TRUE;
}
else
gtk_widget_show_all(dm.win);
}
return FALSE;
}
gboolean
remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
{
gchar *uri = NULL;
g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
if (uri)
{
g_strstrip(uri);
client_new(uri, NULL, TRUE);
g_free(uri);
}
return TRUE;
}
void
search(gpointer data, gint direction)
{
struct Client *c = (struct Client *)data;
WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
if (search_text == NULL)
return;
switch (direction)
{
case 0:
webkit_find_controller_search(fc, search_text,
WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
WEBKIT_FIND_OPTIONS_WRAP_AROUND,
G_MAXUINT);
break;
case 1:
webkit_find_controller_search_next(fc);
break;
case -1:
webkit_find_controller_search_previous(fc);
break;
}
}
void