1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
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;
}
|
