Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 1 | #include "../util.h" |
| 2 | #include "../../perf.h" |
Arnaldo Carvalho de Melo | 8f9bbc4 | 2010-08-11 14:51:47 -0300 | [diff] [blame] | 3 | #include "libslang.h" |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 4 | #include <newt.h> |
Arnaldo Carvalho de Melo | 5c35d69 | 2011-02-09 11:38:43 -0200 | [diff] [blame] | 5 | #include "ui.h" |
Arnaldo Carvalho de Melo | 8f9bbc4 | 2010-08-11 14:51:47 -0300 | [diff] [blame] | 6 | #include <linux/compiler.h> |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 7 | #include <linux/list.h> |
| 8 | #include <linux/rbtree.h> |
| 9 | #include <stdlib.h> |
| 10 | #include <sys/ttydefaults.h> |
| 11 | #include "browser.h" |
Arnaldo Carvalho de Melo | 59e8fe3 | 2010-08-10 15:44:20 -0300 | [diff] [blame] | 12 | #include "helpline.h" |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 13 | #include "../color.h" |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 14 | |
| 15 | int newtGetKey(void); |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 16 | |
Arnaldo Carvalho de Melo | 8f9bbc4 | 2010-08-11 14:51:47 -0300 | [diff] [blame] | 17 | static int ui_browser__percent_color(double percent, bool current) |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 18 | { |
| 19 | if (current) |
| 20 | return HE_COLORSET_SELECTED; |
| 21 | if (percent >= MIN_RED) |
| 22 | return HE_COLORSET_TOP; |
| 23 | if (percent >= MIN_GREEN) |
| 24 | return HE_COLORSET_MEDIUM; |
| 25 | return HE_COLORSET_NORMAL; |
| 26 | } |
| 27 | |
Arnaldo Carvalho de Melo | 8f9bbc4 | 2010-08-11 14:51:47 -0300 | [diff] [blame] | 28 | void ui_browser__set_color(struct ui_browser *self __used, int color) |
| 29 | { |
| 30 | SLsmg_set_color(color); |
| 31 | } |
| 32 | |
| 33 | void ui_browser__set_percent_color(struct ui_browser *self, |
| 34 | double percent, bool current) |
| 35 | { |
| 36 | int color = ui_browser__percent_color(percent, current); |
| 37 | ui_browser__set_color(self, color); |
| 38 | } |
| 39 | |
| 40 | void ui_browser__gotorc(struct ui_browser *self, int y, int x) |
| 41 | { |
| 42 | SLsmg_gotorc(self->y + y, self->x + x); |
| 43 | } |
| 44 | |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 45 | void ui_browser__list_head_seek(struct ui_browser *self, off_t offset, int whence) |
| 46 | { |
| 47 | struct list_head *head = self->entries; |
| 48 | struct list_head *pos; |
| 49 | |
| 50 | switch (whence) { |
| 51 | case SEEK_SET: |
| 52 | pos = head->next; |
| 53 | break; |
| 54 | case SEEK_CUR: |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 55 | pos = self->top; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 56 | break; |
| 57 | case SEEK_END: |
| 58 | pos = head->prev; |
| 59 | break; |
| 60 | default: |
| 61 | return; |
| 62 | } |
| 63 | |
| 64 | if (offset > 0) { |
| 65 | while (offset-- != 0) |
| 66 | pos = pos->next; |
| 67 | } else { |
| 68 | while (offset++ != 0) |
| 69 | pos = pos->prev; |
| 70 | } |
| 71 | |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 72 | self->top = pos; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 73 | } |
| 74 | |
| 75 | void ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence) |
| 76 | { |
| 77 | struct rb_root *root = self->entries; |
| 78 | struct rb_node *nd; |
| 79 | |
| 80 | switch (whence) { |
| 81 | case SEEK_SET: |
| 82 | nd = rb_first(root); |
| 83 | break; |
| 84 | case SEEK_CUR: |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 85 | nd = self->top; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 86 | break; |
| 87 | case SEEK_END: |
| 88 | nd = rb_last(root); |
| 89 | break; |
| 90 | default: |
| 91 | return; |
| 92 | } |
| 93 | |
| 94 | if (offset > 0) { |
| 95 | while (offset-- != 0) |
| 96 | nd = rb_next(nd); |
| 97 | } else { |
| 98 | while (offset++ != 0) |
| 99 | nd = rb_prev(nd); |
| 100 | } |
| 101 | |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 102 | self->top = nd; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | unsigned int ui_browser__rb_tree_refresh(struct ui_browser *self) |
| 106 | { |
| 107 | struct rb_node *nd; |
| 108 | int row = 0; |
| 109 | |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 110 | if (self->top == NULL) |
| 111 | self->top = rb_first(self->entries); |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 112 | |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 113 | nd = self->top; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 114 | |
| 115 | while (nd != NULL) { |
Arnaldo Carvalho de Melo | 8f9bbc4 | 2010-08-11 14:51:47 -0300 | [diff] [blame] | 116 | ui_browser__gotorc(self, row, 0); |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 117 | self->write(self, nd, row); |
| 118 | if (++row == self->height) |
| 119 | break; |
| 120 | nd = rb_next(nd); |
| 121 | } |
| 122 | |
| 123 | return row; |
| 124 | } |
| 125 | |
| 126 | bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row) |
| 127 | { |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 128 | return self->top_idx + row == self->index; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | void ui_browser__refresh_dimensions(struct ui_browser *self) |
| 132 | { |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 133 | self->width = SLtt_Screen_Cols - 1; |
| 134 | self->height = SLtt_Screen_Rows - 2; |
Arnaldo Carvalho de Melo | 469917c | 2010-09-13 10:25:04 -0300 | [diff] [blame] | 135 | self->y = 1; |
| 136 | self->x = 0; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | void ui_browser__reset_index(struct ui_browser *self) |
| 140 | { |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 141 | self->index = self->top_idx = 0; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 142 | self->seek(self, 0, SEEK_SET); |
| 143 | } |
| 144 | |
Arnaldo Carvalho de Melo | b210b3b | 2011-02-25 11:33:31 -0300 | [diff] [blame] | 145 | void __ui_browser__show_title(struct ui_browser *browser, const char *title) |
| 146 | { |
| 147 | SLsmg_gotorc(0, 0); |
| 148 | ui_browser__set_color(browser, NEWT_COLORSET_ROOT); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 149 | slsmg_write_nstring(title, browser->width + 1); |
Arnaldo Carvalho de Melo | b210b3b | 2011-02-25 11:33:31 -0300 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | void ui_browser__show_title(struct ui_browser *browser, const char *title) |
| 153 | { |
| 154 | pthread_mutex_lock(&ui__lock); |
| 155 | __ui_browser__show_title(browser, title); |
| 156 | pthread_mutex_unlock(&ui__lock); |
| 157 | } |
| 158 | |
Arnaldo Carvalho de Melo | 59e8fe3 | 2010-08-10 15:44:20 -0300 | [diff] [blame] | 159 | int ui_browser__show(struct ui_browser *self, const char *title, |
| 160 | const char *helpline, ...) |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 161 | { |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 162 | int err; |
Arnaldo Carvalho de Melo | 59e8fe3 | 2010-08-10 15:44:20 -0300 | [diff] [blame] | 163 | va_list ap; |
| 164 | |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 165 | ui_browser__refresh_dimensions(self); |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 166 | |
Arnaldo Carvalho de Melo | 5c35d69 | 2011-02-09 11:38:43 -0200 | [diff] [blame] | 167 | pthread_mutex_lock(&ui__lock); |
Arnaldo Carvalho de Melo | b210b3b | 2011-02-25 11:33:31 -0300 | [diff] [blame] | 168 | __ui_browser__show_title(self, title); |
Arnaldo Carvalho de Melo | 469917c | 2010-09-13 10:25:04 -0300 | [diff] [blame] | 169 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 170 | self->title = title; |
| 171 | free(self->helpline); |
| 172 | self->helpline = NULL; |
Arnaldo Carvalho de Melo | 59e8fe3 | 2010-08-10 15:44:20 -0300 | [diff] [blame] | 173 | |
| 174 | va_start(ap, helpline); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 175 | err = vasprintf(&self->helpline, helpline, ap); |
Arnaldo Carvalho de Melo | 59e8fe3 | 2010-08-10 15:44:20 -0300 | [diff] [blame] | 176 | va_end(ap); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 177 | if (err > 0) |
| 178 | ui_helpline__push(self->helpline); |
Arnaldo Carvalho de Melo | 5c35d69 | 2011-02-09 11:38:43 -0200 | [diff] [blame] | 179 | pthread_mutex_unlock(&ui__lock); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 180 | return err ? 0 : -1; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 181 | } |
| 182 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 183 | void ui_browser__hide(struct ui_browser *browser __used) |
Arnaldo Carvalho de Melo | 59e8fe3 | 2010-08-10 15:44:20 -0300 | [diff] [blame] | 184 | { |
Arnaldo Carvalho de Melo | 5c35d69 | 2011-02-09 11:38:43 -0200 | [diff] [blame] | 185 | pthread_mutex_lock(&ui__lock); |
Arnaldo Carvalho de Melo | 59e8fe3 | 2010-08-10 15:44:20 -0300 | [diff] [blame] | 186 | ui_helpline__pop(); |
Arnaldo Carvalho de Melo | 5c35d69 | 2011-02-09 11:38:43 -0200 | [diff] [blame] | 187 | pthread_mutex_unlock(&ui__lock); |
Arnaldo Carvalho de Melo | 59e8fe3 | 2010-08-10 15:44:20 -0300 | [diff] [blame] | 188 | } |
| 189 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 190 | static void ui_browser__scrollbar_set(struct ui_browser *browser) |
| 191 | { |
| 192 | int height = browser->height, h = 0, pct = 0, |
| 193 | col = browser->width, |
| 194 | row = browser->y - 1; |
| 195 | |
| 196 | if (browser->nr_entries > 1) { |
| 197 | pct = ((browser->index * (browser->height - 1)) / |
| 198 | (browser->nr_entries - 1)); |
| 199 | } |
| 200 | |
| 201 | while (h < height) { |
| 202 | ui_browser__gotorc(browser, row++, col); |
| 203 | SLsmg_set_char_set(1); |
| 204 | SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_BOARD_CHAR); |
| 205 | SLsmg_set_char_set(0); |
| 206 | ++h; |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | static int __ui_browser__refresh(struct ui_browser *browser) |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 211 | { |
| 212 | int row; |
| 213 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 214 | row = browser->refresh(browser); |
| 215 | ui_browser__set_color(browser, HE_COLORSET_NORMAL); |
| 216 | SLsmg_fill_region(browser->y + row, browser->x, |
| 217 | browser->height - row, browser->width, ' '); |
| 218 | ui_browser__scrollbar_set(browser); |
| 219 | |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | int ui_browser__refresh(struct ui_browser *browser) |
| 224 | { |
Arnaldo Carvalho de Melo | 5c35d69 | 2011-02-09 11:38:43 -0200 | [diff] [blame] | 225 | pthread_mutex_lock(&ui__lock); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 226 | __ui_browser__refresh(browser); |
Arnaldo Carvalho de Melo | 5c35d69 | 2011-02-09 11:38:43 -0200 | [diff] [blame] | 227 | pthread_mutex_unlock(&ui__lock); |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 228 | |
| 229 | return 0; |
| 230 | } |
| 231 | |
Arnaldo Carvalho de Melo | 900e14a | 2011-10-11 16:15:39 -0300 | [diff] [blame] | 232 | /* |
| 233 | * Here we're updating nr_entries _after_ we started browsing, i.e. we have to |
| 234 | * forget about any reference to any entry in the underlying data structure, |
| 235 | * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser |
| 236 | * after an output_resort and hist decay. |
| 237 | */ |
| 238 | void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries) |
| 239 | { |
| 240 | off_t offset = nr_entries - browser->nr_entries; |
| 241 | |
| 242 | browser->nr_entries = nr_entries; |
| 243 | |
| 244 | if (offset < 0) { |
| 245 | if (browser->top_idx < (u64)-offset) |
| 246 | offset = -browser->top_idx; |
| 247 | |
| 248 | browser->index += offset; |
| 249 | browser->top_idx += offset; |
| 250 | } |
| 251 | |
| 252 | browser->seek(browser, browser->top_idx, SEEK_SET); |
| 253 | } |
| 254 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 255 | int ui_browser__run(struct ui_browser *self, int delay_secs) |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 256 | { |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 257 | int err, key; |
| 258 | struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL; |
Arnaldo Carvalho de Melo | b50e003 | 2010-08-11 10:07:43 -0300 | [diff] [blame] | 259 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 260 | pthread__unblock_sigwinch(); |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 261 | |
| 262 | while (1) { |
| 263 | off_t offset; |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 264 | fd_set read_set; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 265 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 266 | pthread_mutex_lock(&ui__lock); |
| 267 | err = __ui_browser__refresh(self); |
| 268 | SLsmg_refresh(); |
| 269 | pthread_mutex_unlock(&ui__lock); |
| 270 | if (err < 0) |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 271 | break; |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 272 | |
| 273 | FD_ZERO(&read_set); |
| 274 | FD_SET(0, &read_set); |
| 275 | |
| 276 | if (delay_secs) { |
| 277 | timeout.tv_sec = delay_secs; |
| 278 | timeout.tv_usec = 0; |
| 279 | } |
| 280 | |
| 281 | err = select(1, &read_set, NULL, NULL, ptimeout); |
| 282 | if (err > 0 && FD_ISSET(0, &read_set)) |
| 283 | key = newtGetKey(); |
| 284 | else if (err == 0) |
| 285 | break; |
| 286 | else { |
| 287 | pthread_mutex_lock(&ui__lock); |
| 288 | SLtt_get_screen_size(); |
| 289 | SLsmg_reinit_smg(); |
| 290 | pthread_mutex_unlock(&ui__lock); |
| 291 | ui_browser__refresh_dimensions(self); |
| 292 | __ui_browser__show_title(self, self->title); |
| 293 | ui_helpline__puts(self->helpline); |
| 294 | continue; |
| 295 | } |
| 296 | |
| 297 | switch (key) { |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 298 | case NEWT_KEY_DOWN: |
| 299 | if (self->index == self->nr_entries - 1) |
| 300 | break; |
| 301 | ++self->index; |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 302 | if (self->index == self->top_idx + self->height) { |
| 303 | ++self->top_idx; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 304 | self->seek(self, +1, SEEK_CUR); |
| 305 | } |
| 306 | break; |
| 307 | case NEWT_KEY_UP: |
| 308 | if (self->index == 0) |
| 309 | break; |
| 310 | --self->index; |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 311 | if (self->index < self->top_idx) { |
| 312 | --self->top_idx; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 313 | self->seek(self, -1, SEEK_CUR); |
| 314 | } |
| 315 | break; |
| 316 | case NEWT_KEY_PGDN: |
| 317 | case ' ': |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 318 | if (self->top_idx + self->height > self->nr_entries - 1) |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 319 | break; |
| 320 | |
| 321 | offset = self->height; |
| 322 | if (self->index + offset > self->nr_entries - 1) |
| 323 | offset = self->nr_entries - 1 - self->index; |
| 324 | self->index += offset; |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 325 | self->top_idx += offset; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 326 | self->seek(self, +offset, SEEK_CUR); |
| 327 | break; |
| 328 | case NEWT_KEY_PGUP: |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 329 | if (self->top_idx == 0) |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 330 | break; |
| 331 | |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 332 | if (self->top_idx < self->height) |
| 333 | offset = self->top_idx; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 334 | else |
| 335 | offset = self->height; |
| 336 | |
| 337 | self->index -= offset; |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 338 | self->top_idx -= offset; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 339 | self->seek(self, -offset, SEEK_CUR); |
| 340 | break; |
| 341 | case NEWT_KEY_HOME: |
| 342 | ui_browser__reset_index(self); |
| 343 | break; |
| 344 | case NEWT_KEY_END: |
| 345 | offset = self->height - 1; |
| 346 | if (offset >= self->nr_entries) |
| 347 | offset = self->nr_entries - 1; |
| 348 | |
| 349 | self->index = self->nr_entries - 1; |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 350 | self->top_idx = self->index - offset; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 351 | self->seek(self, -offset, SEEK_END); |
| 352 | break; |
| 353 | default: |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 354 | return key; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 355 | } |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 356 | } |
Arnaldo Carvalho de Melo | b50e003 | 2010-08-11 10:07:43 -0300 | [diff] [blame] | 357 | return -1; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | unsigned int ui_browser__list_head_refresh(struct ui_browser *self) |
| 361 | { |
| 362 | struct list_head *pos; |
| 363 | struct list_head *head = self->entries; |
| 364 | int row = 0; |
| 365 | |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 366 | if (self->top == NULL || self->top == self->entries) |
| 367 | self->top = head->next; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 368 | |
Arnaldo Carvalho de Melo | d247eb6 | 2010-08-07 13:56:04 -0300 | [diff] [blame] | 369 | pos = self->top; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 370 | |
| 371 | list_for_each_from(pos, head) { |
Arnaldo Carvalho de Melo | 8f9bbc4 | 2010-08-11 14:51:47 -0300 | [diff] [blame] | 372 | ui_browser__gotorc(self, row, 0); |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 373 | self->write(self, pos, row); |
| 374 | if (++row == self->height) |
| 375 | break; |
| 376 | } |
| 377 | |
| 378 | return row; |
| 379 | } |
| 380 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 381 | static struct ui_browser__colors { |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 382 | const char *topColorFg, *topColorBg; |
| 383 | const char *mediumColorFg, *mediumColorBg; |
| 384 | const char *normalColorFg, *normalColorBg; |
| 385 | const char *selColorFg, *selColorBg; |
| 386 | const char *codeColorFg, *codeColorBg; |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 387 | } ui_browser__default_colors = { |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 388 | "red", "lightgray", |
| 389 | "green", "lightgray", |
| 390 | "black", "lightgray", |
| 391 | "lightgray", "magenta", |
| 392 | "blue", "lightgray", |
| 393 | }; |
| 394 | |
| 395 | void ui_browser__init(void) |
| 396 | { |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 397 | struct ui_browser__colors *c = &ui_browser__default_colors; |
Arnaldo Carvalho de Melo | ef8f34a | 2010-08-06 17:35:02 -0300 | [diff] [blame] | 398 | |
| 399 | sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg); |
| 400 | sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg); |
| 401 | sltt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg); |
| 402 | sltt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg); |
| 403 | sltt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg); |
| 404 | } |