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-rw-r--r--tools/perf/ui/util.c277
1 files changed, 56 insertions, 221 deletions
diff --git a/tools/perf/ui/util.c b/tools/perf/ui/util.c
index ad4374a16bb0..4f989774c8c6 100644
--- a/tools/perf/ui/util.c
+++ b/tools/perf/ui/util.c
@@ -1,250 +1,85 @@
1#include "../util.h"
2#include <signal.h>
3#include <stdbool.h>
4#include <string.h>
5#include <sys/ttydefaults.h>
6
7#include "../cache.h"
8#include "../debug.h"
9#include "browser.h"
10#include "keysyms.h"
11#include "helpline.h"
12#include "ui.h"
13#include "util.h" 1#include "util.h"
14#include "libslang.h" 2#include "../debug.h"
15
16static void ui_browser__argv_write(struct ui_browser *browser,
17 void *entry, int row)
18{
19 char **arg = entry;
20 bool current_entry = ui_browser__is_current_entry(browser, row);
21
22 ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
23 HE_COLORSET_NORMAL);
24 slsmg_write_nstring(*arg, browser->width);
25}
26
27static int popup_menu__run(struct ui_browser *menu)
28{
29 int key;
30
31 if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0)
32 return -1;
33 3
34 while (1) {
35 key = ui_browser__run(menu, 0);
36
37 switch (key) {
38 case K_RIGHT:
39 case K_ENTER:
40 key = menu->index;
41 break;
42 case K_LEFT:
43 case K_ESC:
44 case 'q':
45 case CTRL('c'):
46 key = -1;
47 break;
48 default:
49 continue;
50 }
51
52 break;
53 }
54
55 ui_browser__hide(menu);
56 return key;
57}
58 4
59int ui__popup_menu(int argc, char * const argv[]) 5/*
6 * Default error logging functions
7 */
8static int perf_stdio__error(const char *format, va_list args)
60{ 9{
61 struct ui_browser menu = { 10 fprintf(stderr, "Error:\n");
62 .entries = (void *)argv, 11 vfprintf(stderr, format, args);
63 .refresh = ui_browser__argv_refresh, 12 return 0;
64 .seek = ui_browser__argv_seek,
65 .write = ui_browser__argv_write,
66 .nr_entries = argc,
67 };
68
69 return popup_menu__run(&menu);
70} 13}
71 14
72int ui_browser__input_window(const char *title, const char *text, char *input, 15static int perf_stdio__warning(const char *format, va_list args)
73 const char *exit_msg, int delay_secs)
74{ 16{
75 int x, y, len, key; 17 fprintf(stderr, "Warning:\n");
76 int max_len = 60, nr_lines = 0; 18 vfprintf(stderr, format, args);
77 static char buf[50]; 19 return 0;
78 const char *t;
79
80 t = text;
81 while (1) {
82 const char *sep = strchr(t, '\n');
83
84 if (sep == NULL)
85 sep = strchr(t, '\0');
86 len = sep - t;
87 if (max_len < len)
88 max_len = len;
89 ++nr_lines;
90 if (*sep == '\0')
91 break;
92 t = sep + 1;
93 }
94
95 max_len += 2;
96 nr_lines += 8;
97 y = SLtt_Screen_Rows / 2 - nr_lines / 2;
98 x = SLtt_Screen_Cols / 2 - max_len / 2;
99
100 SLsmg_set_color(0);
101 SLsmg_draw_box(y, x++, nr_lines, max_len);
102 if (title) {
103 SLsmg_gotorc(y, x + 1);
104 SLsmg_write_string((char *)title);
105 }
106 SLsmg_gotorc(++y, x);
107 nr_lines -= 7;
108 max_len -= 2;
109 SLsmg_write_wrapped_string((unsigned char *)text, y, x,
110 nr_lines, max_len, 1);
111 y += nr_lines;
112 len = 5;
113 while (len--) {
114 SLsmg_gotorc(y + len - 1, x);
115 SLsmg_write_nstring((char *)" ", max_len);
116 }
117 SLsmg_draw_box(y++, x + 1, 3, max_len - 2);
118
119 SLsmg_gotorc(y + 3, x);
120 SLsmg_write_nstring((char *)exit_msg, max_len);
121 SLsmg_refresh();
122
123 x += 2;
124 len = 0;
125 key = ui__getch(delay_secs);
126 while (key != K_TIMER && key != K_ENTER && key != K_ESC) {
127 if (key == K_BKSPC) {
128 if (len == 0)
129 goto next_key;
130 SLsmg_gotorc(y, x + --len);
131 SLsmg_write_char(' ');
132 } else {
133 buf[len] = key;
134 SLsmg_gotorc(y, x + len++);
135 SLsmg_write_char(key);
136 }
137 SLsmg_refresh();
138
139 /* XXX more graceful overflow handling needed */
140 if (len == sizeof(buf) - 1) {
141 ui_helpline__push("maximum size of symbol name reached!");
142 key = K_ENTER;
143 break;
144 }
145next_key:
146 key = ui__getch(delay_secs);
147 }
148
149 buf[len] = '\0';
150 strncpy(input, buf, len+1);
151 return key;
152} 20}
153 21
154int ui__question_window(const char *title, const char *text, 22static struct perf_error_ops default_eops =
155 const char *exit_msg, int delay_secs)
156{ 23{
157 int x, y; 24 .error = perf_stdio__error,
158 int max_len = 0, nr_lines = 0; 25 .warning = perf_stdio__warning,
159 const char *t; 26};
160
161 t = text;
162 while (1) {
163 const char *sep = strchr(t, '\n');
164 int len;
165
166 if (sep == NULL)
167 sep = strchr(t, '\0');
168 len = sep - t;
169 if (max_len < len)
170 max_len = len;
171 ++nr_lines;
172 if (*sep == '\0')
173 break;
174 t = sep + 1;
175 }
176
177 max_len += 2;
178 nr_lines += 4;
179 y = SLtt_Screen_Rows / 2 - nr_lines / 2,
180 x = SLtt_Screen_Cols / 2 - max_len / 2;
181
182 SLsmg_set_color(0);
183 SLsmg_draw_box(y, x++, nr_lines, max_len);
184 if (title) {
185 SLsmg_gotorc(y, x + 1);
186 SLsmg_write_string((char *)title);
187 }
188 SLsmg_gotorc(++y, x);
189 nr_lines -= 2;
190 max_len -= 2;
191 SLsmg_write_wrapped_string((unsigned char *)text, y, x,
192 nr_lines, max_len, 1);
193 SLsmg_gotorc(y + nr_lines - 2, x);
194 SLsmg_write_nstring((char *)" ", max_len);
195 SLsmg_gotorc(y + nr_lines - 1, x);
196 SLsmg_write_nstring((char *)exit_msg, max_len);
197 SLsmg_refresh();
198 return ui__getch(delay_secs);
199}
200 27
201int ui__help_window(const char *text) 28static struct perf_error_ops *perf_eops = &default_eops;
202{
203 return ui__question_window("Help", text, "Press any key...", 0);
204}
205 29
206int ui__dialog_yesno(const char *msg)
207{
208 return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0);
209}
210 30
211int __ui__warning(const char *title, const char *format, va_list args) 31int ui__error(const char *format, ...)
212{ 32{
213 char *s; 33 int ret;
214 34 va_list args;
215 if (use_browser > 0 && vasprintf(&s, format, args) > 0) {
216 int key;
217 35
218 pthread_mutex_lock(&ui__lock); 36 va_start(args, format);
219 key = ui__question_window(title, s, "Press any key...", 0); 37 ret = perf_eops->error(format, args);
220 pthread_mutex_unlock(&ui__lock); 38 va_end(args);
221 free(s);
222 return key;
223 }
224 39
225 fprintf(stderr, "%s:\n", title); 40 return ret;
226 vfprintf(stderr, format, args);
227 return K_ESC;
228} 41}
229 42
230int ui__warning(const char *format, ...) 43int ui__warning(const char *format, ...)
231{ 44{
232 int key; 45 int ret;
233 va_list args; 46 va_list args;
234 47
235 va_start(args, format); 48 va_start(args, format);
236 key = __ui__warning("Warning", format, args); 49 ret = perf_eops->warning(format, args);
237 va_end(args); 50 va_end(args);
238 return key; 51
52 return ret;
239} 53}
240 54
241int ui__error(const char *format, ...) 55
56/**
57 * perf_error__register - Register error logging functions
58 * @eops: The pointer to error logging function struct
59 *
60 * Register UI-specific error logging functions. Before calling this,
61 * other logging functions should be unregistered, if any.
62 */
63int perf_error__register(struct perf_error_ops *eops)
242{ 64{
243 int key; 65 if (perf_eops != &default_eops)
244 va_list args; 66 return -1;
245 67
246 va_start(args, format); 68 perf_eops = eops;
247 key = __ui__warning("Error", format, args); 69 return 0;
248 va_end(args); 70}
249 return key; 71
72/**
73 * perf_error__unregister - Unregister error logging functions
74 * @eops: The pointer to error logging function struct
75 *
76 * Unregister already registered error logging functions.
77 */
78int perf_error__unregister(struct perf_error_ops *eops)
79{
80 if (perf_eops != eops)
81 return -1;
82
83 perf_eops = &default_eops;
84 return 0;
250} 85}
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