Mercurial > vim
annotate src/ui.c @ 22361:00f2eebe74d9 v8.2.1729
patch 8.2.1729: endless loop when ":normal" feeds popup window filter
Commit: https://github.com/vim/vim/commit/189832bf661168df7ebd428e4088737718775fbd
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Sep 23 12:29:11 2020 +0200
patch 8.2.1729: endless loop when ":normal" feeds popup window filter
Problem: Endless loop when ":normal" feeds popup window filter.
Solution: Add the ex_normal_busy_done flag.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 23 Sep 2020 12:30:04 +0200 |
| parents | d8b95a9cdaaa |
| children | a0fc14114576 |
| rev | line source |
|---|---|
|
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * ui.c: functions that handle the user interface. | |
| 12 * 1. Keyboard input stuff, and a bit of windowing stuff. These are called | |
| 13 * before the machine specific stuff (mch_*) so that we can call the GUI | |
| 14 * stuff instead if the GUI is running. | |
|
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15 * 2. Input buffer stuff. |
| 7 | 16 */ |
| 17 | |
| 18 #include "vim.h" | |
| 19 | |
| 20 void | |
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21 ui_write(char_u *s, int len) |
| 7 | 22 { |
| 23 #ifdef FEAT_GUI | |
| 24 if (gui.in_use && !gui.dying && !gui.starting) | |
| 25 { | |
| 26 gui_write(s, len); | |
| 27 if (p_wd) | |
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28 gui_wait_for_chars(p_wd, typebuf.tb_change_cnt); |
| 7 | 29 return; |
| 30 } | |
| 31 #endif | |
| 32 #ifndef NO_CONSOLE | |
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33 // Don't output anything in silent mode ("ex -s") unless 'verbose' set |
| 7 | 34 if (!(silent_mode && p_verbose == 0)) |
| 35 { | |
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36 #if !defined(MSWIN) |
| 7 | 37 char_u *tofree = NULL; |
| 38 | |
| 39 if (output_conv.vc_type != CONV_NONE) | |
| 40 { | |
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41 // Convert characters from 'encoding' to 'termencoding'. |
| 7 | 42 tofree = string_convert(&output_conv, s, &len); |
| 43 if (tofree != NULL) | |
| 44 s = tofree; | |
| 45 } | |
| 46 #endif | |
| 47 | |
| 48 mch_write(s, len); | |
| 49 | |
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50 # if !defined(MSWIN) |
| 7 | 51 if (output_conv.vc_type != CONV_NONE) |
| 52 vim_free(tofree); | |
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53 # endif |
| 7 | 54 } |
| 55 #endif | |
| 56 } | |
| 57 | |
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58 #if defined(UNIX) || defined(VMS) || defined(PROTO) || defined(MSWIN) |
| 7 | 59 /* |
| 60 * When executing an external program, there may be some typed characters that | |
| 61 * are not consumed by it. Give them back to ui_inchar() and they are stored | |
| 62 * here for the next call. | |
| 63 */ | |
| 64 static char_u *ta_str = NULL; | |
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65 static int ta_off; // offset for next char to use when ta_str != NULL |
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66 static int ta_len; // length of ta_str when it's not NULL |
| 7 | 67 |
| 68 void | |
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69 ui_inchar_undo(char_u *s, int len) |
| 7 | 70 { |
| 71 char_u *new; | |
| 72 int newlen; | |
| 73 | |
| 74 newlen = len; | |
| 75 if (ta_str != NULL) | |
| 76 newlen += ta_len - ta_off; | |
| 77 new = alloc(newlen); | |
| 78 if (new != NULL) | |
| 79 { | |
| 80 if (ta_str != NULL) | |
| 81 { | |
| 82 mch_memmove(new, ta_str + ta_off, (size_t)(ta_len - ta_off)); | |
| 83 mch_memmove(new + ta_len - ta_off, s, (size_t)len); | |
| 84 vim_free(ta_str); | |
| 85 } | |
| 86 else | |
| 87 mch_memmove(new, s, (size_t)len); | |
| 88 ta_str = new; | |
| 89 ta_len = newlen; | |
| 90 ta_off = 0; | |
| 91 } | |
| 92 } | |
| 93 #endif | |
| 94 | |
| 95 /* | |
| 3877 | 96 * ui_inchar(): low level input function. |
| 7 | 97 * Get characters from the keyboard. |
| 98 * Return the number of characters that are available. | |
| 99 * If "wtime" == 0 do not wait for characters. | |
| 100 * If "wtime" == -1 wait forever for characters. | |
| 101 * If "wtime" > 0 wait "wtime" milliseconds for a character. | |
| 102 * | |
| 103 * "tb_change_cnt" is the value of typebuf.tb_change_cnt if "buf" points into | |
| 104 * it. When typebuf.tb_change_cnt changes (e.g., when a message is received | |
| 105 * from a remote client) "buf" can no longer be used. "tb_change_cnt" is NULL | |
| 106 * otherwise. | |
| 107 */ | |
| 108 int | |
|
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109 ui_inchar( |
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110 char_u *buf, |
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111 int maxlen, |
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112 long wtime, // don't use "time", MIPS cannot handle it |
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113 int tb_change_cnt) |
| 7 | 114 { |
| 115 int retval = 0; | |
| 116 | |
| 117 #if defined(FEAT_GUI) && (defined(UNIX) || defined(VMS)) | |
| 118 /* | |
| 119 * Use the typeahead if there is any. | |
| 120 */ | |
| 121 if (ta_str != NULL) | |
| 122 { | |
| 123 if (maxlen >= ta_len - ta_off) | |
| 124 { | |
| 125 mch_memmove(buf, ta_str + ta_off, (size_t)ta_len); | |
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126 VIM_CLEAR(ta_str); |
| 7 | 127 return ta_len; |
| 128 } | |
| 129 mch_memmove(buf, ta_str + ta_off, (size_t)maxlen); | |
| 130 ta_off += maxlen; | |
| 131 return maxlen; | |
| 132 } | |
| 133 #endif | |
| 134 | |
| 170 | 135 #ifdef FEAT_PROFILE |
| 791 | 136 if (do_profiling == PROF_YES && wtime != 0) |
| 170 | 137 prof_inchar_enter(); |
| 138 #endif | |
| 139 | |
| 7 | 140 #ifdef NO_CONSOLE_INPUT |
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141 // Don't wait for character input when the window hasn't been opened yet. |
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142 // Do try reading, this works when redirecting stdin from a file. |
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143 // Must return something, otherwise we'll loop forever. If we run into |
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144 // this very often we probably got stuck, exit Vim. |
| 7 | 145 if (no_console_input()) |
| 146 { | |
| 147 static int count = 0; | |
| 148 | |
| 149 # ifndef NO_CONSOLE | |
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150 retval = mch_inchar(buf, maxlen, wtime, tb_change_cnt); |
| 228 | 151 if (retval > 0 || typebuf_changed(tb_change_cnt) || wtime >= 0) |
| 170 | 152 goto theend; |
| 7 | 153 # endif |
| 154 if (wtime == -1 && ++count == 1000) | |
| 155 read_error_exit(); | |
| 156 buf[0] = CAR; | |
| 170 | 157 retval = 1; |
| 158 goto theend; | |
| 7 | 159 } |
| 160 #endif | |
| 161 | |
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162 // If we are going to wait for some time or block... |
| 1086 | 163 if (wtime == -1 || wtime > 100L) |
| 164 { | |
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165 // ... allow signals to kill us. |
| 1086 | 166 (void)vim_handle_signal(SIGNAL_UNBLOCK); |
| 167 | |
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168 // ... there is no need for CTRL-C to interrupt something, don't let |
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169 // it set got_int when it was mapped. |
| 6491 | 170 if ((mapped_ctrl_c | curbuf->b_mapped_ctrl_c) & get_real_state()) |
| 1086 | 171 ctrl_c_interrupts = FALSE; |
| 172 } | |
| 7 | 173 |
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174 /* |
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175 * Here we call gui_inchar() or mch_inchar(), the GUI or machine-dependent |
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176 * input function. The functionality they implement is like this: |
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177 * |
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178 * while (not timed out) |
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179 * { |
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180 * handle-resize; |
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181 * parse-queued-messages; |
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182 * if (waited for 'updatetime') |
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183 * trigger-cursorhold; |
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184 * ui_wait_for_chars_or_timer() |
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185 * if (character available) |
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186 * break; |
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187 * } |
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188 * |
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189 * ui_wait_for_chars_or_timer() does: |
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190 * |
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191 * while (not timed out) |
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192 * { |
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193 * if (any-timer-triggered) |
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194 * invoke-timer-callback; |
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195 * wait-for-character(); |
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196 * if (character available) |
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197 * break; |
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198 * } |
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199 * |
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200 * wait-for-character() does: |
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201 * while (not timed out) |
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202 * { |
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203 * Wait for event; |
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204 * if (something on channel) |
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205 * read/write channel; |
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206 * else if (resized) |
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207 * handle_resize(); |
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208 * else if (system event) |
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209 * deal-with-system-event; |
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210 * else if (character available) |
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211 * break; |
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212 * } |
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213 * |
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214 */ |
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215 |
| 7 | 216 #ifdef FEAT_GUI |
| 217 if (gui.in_use) | |
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218 retval = gui_inchar(buf, maxlen, wtime, tb_change_cnt); |
| 7 | 219 #endif |
| 220 #ifndef NO_CONSOLE | |
| 221 # ifdef FEAT_GUI | |
| 222 else | |
| 223 # endif | |
| 224 retval = mch_inchar(buf, maxlen, wtime, tb_change_cnt); | |
| 225 #endif | |
| 226 | |
| 1086 | 227 if (wtime == -1 || wtime > 100L) |
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228 // block SIGHUP et al. |
| 1086 | 229 (void)vim_handle_signal(SIGNAL_BLOCK); |
| 230 | |
| 7 | 231 ctrl_c_interrupts = TRUE; |
| 232 | |
| 170 | 233 #ifdef NO_CONSOLE_INPUT |
| 234 theend: | |
| 235 #endif | |
| 236 #ifdef FEAT_PROFILE | |
| 791 | 237 if (do_profiling == PROF_YES && wtime != 0) |
| 170 | 238 prof_inchar_exit(); |
| 239 #endif | |
| 7 | 240 return retval; |
| 241 } | |
| 242 | |
|
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243 #if defined(UNIX) || defined(VMS) || defined(FEAT_GUI) || defined(PROTO) |
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244 /* |
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245 * Common code for mch_inchar() and gui_inchar(): Wait for a while or |
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246 * indefinitely until characters are available, dealing with timers and |
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247 * messages on channels. |
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248 * |
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249 * "buf" may be NULL if the available characters are not to be returned, only |
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250 * check if they are available. |
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251 * |
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252 * Return the number of characters that are available. |
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253 * If "wtime" == 0 do not wait for characters. |
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254 * If "wtime" == n wait a short time for characters. |
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255 * If "wtime" == -1 wait forever for characters. |
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256 */ |
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257 int |
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258 inchar_loop( |
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259 char_u *buf, |
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260 int maxlen, |
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261 long wtime, // don't use "time", MIPS cannot handle it |
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262 int tb_change_cnt, |
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263 int (*wait_func)(long wtime, int *interrupted, int ignore_input), |
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264 int (*resize_func)(int check_only)) |
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265 { |
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266 int len; |
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267 int interrupted = FALSE; |
|
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268 int did_call_wait_func = FALSE; |
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269 int did_start_blocking = FALSE; |
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270 long wait_time; |
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271 long elapsed_time = 0; |
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272 #ifdef ELAPSED_FUNC |
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273 elapsed_T start_tv; |
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274 |
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275 ELAPSED_INIT(start_tv); |
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276 #endif |
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277 |
|
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278 // repeat until we got a character or waited long enough |
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279 for (;;) |
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280 { |
|
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281 // Check if window changed size while we were busy, perhaps the ":set |
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282 // columns=99" command was used. |
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283 if (resize_func != NULL) |
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284 resize_func(FALSE); |
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285 |
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286 #ifdef MESSAGE_QUEUE |
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287 // Only process messages when waiting. |
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288 if (wtime != 0) |
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289 { |
|
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290 parse_queued_messages(); |
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291 // If input was put directly in typeahead buffer bail out here. |
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292 if (typebuf_changed(tb_change_cnt)) |
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293 return 0; |
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294 } |
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295 #endif |
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296 if (wtime < 0 && did_start_blocking) |
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297 // blocking and already waited for p_ut |
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298 wait_time = -1; |
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299 else |
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300 { |
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301 if (wtime >= 0) |
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302 wait_time = wtime; |
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303 else |
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304 // going to block after p_ut |
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305 wait_time = p_ut; |
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306 #ifdef ELAPSED_FUNC |
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307 elapsed_time = ELAPSED_FUNC(start_tv); |
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308 #endif |
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309 wait_time -= elapsed_time; |
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310 |
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311 // If the waiting time is now zero or less, we timed out. However, |
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312 // loop at least once to check for characters and events. Matters |
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313 // when "wtime" is zero. |
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314 if (wait_time <= 0 && did_call_wait_func) |
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315 { |
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316 if (wtime >= 0) |
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317 // no character available within "wtime" |
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318 return 0; |
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319 |
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320 // No character available within 'updatetime'. |
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321 did_start_blocking = TRUE; |
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322 if (trigger_cursorhold() && maxlen >= 3 |
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323 && !typebuf_changed(tb_change_cnt)) |
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324 { |
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325 // Put K_CURSORHOLD in the input buffer or return it. |
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326 if (buf == NULL) |
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327 { |
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328 char_u ibuf[3]; |
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329 |
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330 ibuf[0] = CSI; |
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331 ibuf[1] = KS_EXTRA; |
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332 ibuf[2] = (int)KE_CURSORHOLD; |
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333 add_to_input_buf(ibuf, 3); |
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334 } |
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335 else |
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336 { |
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337 buf[0] = K_SPECIAL; |
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338 buf[1] = KS_EXTRA; |
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339 buf[2] = (int)KE_CURSORHOLD; |
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340 } |
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341 return 3; |
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342 } |
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343 |
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344 // There is no character available within 'updatetime' seconds: |
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345 // flush all the swap files to disk. Also done when |
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346 // interrupted by SIGWINCH. |
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347 before_blocking(); |
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348 continue; |
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349 } |
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350 } |
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351 |
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352 #ifdef FEAT_JOB_CHANNEL |
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353 if (wait_time < 0 || wait_time > 100L) |
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354 { |
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355 // Checking if a job ended requires polling. Do this at least |
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356 // every 100 msec. |
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357 if (has_pending_job()) |
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358 wait_time = 100L; |
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359 |
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360 // If there is readahead then parse_queued_messages() timed out and |
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361 // we should call it again soon. |
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362 if (channel_any_readahead()) |
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363 wait_time = 10L; |
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364 } |
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365 #endif |
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366 #ifdef FEAT_BEVAL_GUI |
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367 if (p_beval && wait_time > 100L) |
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368 // The 'balloonexpr' may indirectly invoke a callback while waiting |
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369 // for a character, need to check often. |
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370 wait_time = 100L; |
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371 #endif |
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372 |
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373 // Wait for a character to be typed or another event, such as the winch |
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374 // signal or an event on the monitored file descriptors. |
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375 did_call_wait_func = TRUE; |
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376 if (wait_func(wait_time, &interrupted, FALSE)) |
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377 { |
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378 // If input was put directly in typeahead buffer bail out here. |
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379 if (typebuf_changed(tb_change_cnt)) |
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380 return 0; |
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381 |
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382 // We might have something to return now. |
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383 if (buf == NULL) |
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384 // "buf" is NULL, we were just waiting, not actually getting |
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385 // input. |
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386 return input_available(); |
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387 |
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388 len = read_from_input_buf(buf, (long)maxlen); |
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389 if (len > 0) |
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390 return len; |
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391 continue; |
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392 } |
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393 // Timed out or interrupted with no character available. |
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394 |
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395 #ifndef ELAPSED_FUNC |
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396 // estimate the elapsed time |
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397 elapsed_time += wait_time; |
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398 #endif |
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399 |
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400 if ((resize_func != NULL && resize_func(TRUE)) |
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401 #if defined(FEAT_CLIENTSERVER) && defined(UNIX) |
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402 || server_waiting() |
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403 #endif |
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404 #ifdef MESSAGE_QUEUE |
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405 || interrupted |
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406 #endif |
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407 || wait_time > 0 |
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408 || (wtime < 0 && !did_start_blocking)) |
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409 // no character available, but something to be done, keep going |
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410 continue; |
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411 |
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412 // no character available or interrupted, return zero |
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413 break; |
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414 } |
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415 return 0; |
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416 } |
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417 #endif |
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418 |
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419 #if defined(FEAT_TIMERS) || defined(PROTO) |
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420 /* |
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421 * Wait for a timer to fire or "wait_func" to return non-zero. |
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422 * Returns OK when something was read. |
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423 * Returns FAIL when it timed out or was interrupted. |
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424 */ |
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425 int |
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426 ui_wait_for_chars_or_timer( |
|
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427 long wtime, |
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428 int (*wait_func)(long wtime, int *interrupted, int ignore_input), |
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429 int *interrupted, |
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430 int ignore_input) |
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431 { |
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432 int due_time; |
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433 long remaining = wtime; |
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434 int tb_change_cnt = typebuf.tb_change_cnt; |
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435 # ifdef FEAT_JOB_CHANNEL |
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436 int brief_wait = FALSE; |
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437 # endif |
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438 |
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439 // When waiting very briefly don't trigger timers. |
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440 if (wtime >= 0 && wtime < 10L) |
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441 return wait_func(wtime, NULL, ignore_input); |
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442 |
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443 while (wtime < 0 || remaining > 0) |
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444 { |
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445 // Trigger timers and then get the time in wtime until the next one is |
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446 // due. Wait up to that time. |
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447 due_time = check_due_timer(); |
|
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448 if (typebuf.tb_change_cnt != tb_change_cnt) |
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449 { |
|
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450 // timer may have used feedkeys() |
|
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451 return FAIL; |
|
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452 } |
|
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453 if (due_time <= 0 || (wtime > 0 && due_time > remaining)) |
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454 due_time = remaining; |
|
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455 # if defined(FEAT_JOB_CHANNEL) || defined(FEAT_SOUND_CANBERRA) |
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456 if ((due_time < 0 || due_time > 10L) && ( |
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457 # if defined(FEAT_JOB_CHANNEL) |
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458 ( |
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459 # if defined(FEAT_GUI) |
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460 !gui.in_use && |
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461 # endif |
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462 (has_pending_job() || channel_any_readahead())) |
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463 # ifdef FEAT_SOUND_CANBERRA |
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464 || |
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465 # endif |
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466 # endif |
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467 # ifdef FEAT_SOUND_CANBERRA |
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468 has_any_sound_callback() |
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469 # endif |
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470 )) |
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471 { |
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472 // There is a pending job or channel, should return soon in order |
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473 // to handle them ASAP. Do check for input briefly. |
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474 due_time = 10L; |
|
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475 # ifdef FEAT_JOB_CHANNEL |
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476 brief_wait = TRUE; |
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477 # endif |
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478 } |
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479 # endif |
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480 if (wait_func(due_time, interrupted, ignore_input)) |
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481 return OK; |
|
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482 if ((interrupted != NULL && *interrupted) |
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483 # ifdef FEAT_JOB_CHANNEL |
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484 || brief_wait |
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485 # endif |
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486 ) |
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487 // Nothing available, but need to return so that side effects get |
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488 // handled, such as handling a message on a channel. |
|
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489 return FAIL; |
|
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490 if (wtime > 0) |
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491 remaining -= due_time; |
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492 } |
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493 return FAIL; |
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494 } |
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495 #endif |
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496 |
| 7 | 497 /* |
|
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498 * Return non-zero if a character is available. |
| 7 | 499 */ |
| 500 int | |
|
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|
501 ui_char_avail(void) |
| 7 | 502 { |
| 503 #ifdef FEAT_GUI | |
| 504 if (gui.in_use) | |
| 505 { | |
| 506 gui_mch_update(); | |
| 507 return input_available(); | |
| 508 } | |
| 509 #endif | |
| 510 #ifndef NO_CONSOLE | |
| 511 # ifdef NO_CONSOLE_INPUT | |
| 512 if (no_console_input()) | |
| 513 return 0; | |
| 514 # endif | |
| 515 return mch_char_avail(); | |
| 516 #else | |
| 517 return 0; | |
| 518 #endif | |
| 519 } | |
| 520 | |
| 521 /* | |
| 522 * Delay for the given number of milliseconds. If ignoreinput is FALSE then we | |
| 523 * cancel the delay if a key is hit. | |
| 524 */ | |
| 525 void | |
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526 ui_delay(long msec_arg, int ignoreinput) |
| 7 | 527 { |
|
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528 long msec = msec_arg; |
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529 |
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530 #ifdef FEAT_EVAL |
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531 if (ui_delay_for_testing > 0) |
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532 msec = ui_delay_for_testing; |
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533 #endif |
|
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|
534 #ifdef FEAT_JOB_CHANNEL |
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535 ch_log(NULL, "ui_delay(%ld)", msec); |
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536 #endif |
| 7 | 537 #ifdef FEAT_GUI |
| 538 if (gui.in_use && !ignoreinput) | |
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|
539 gui_wait_for_chars(msec, typebuf.tb_change_cnt); |
| 7 | 540 else |
| 541 #endif | |
|
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|
542 mch_delay(msec, ignoreinput ? MCH_DELAY_IGNOREINPUT : 0); |
| 7 | 543 } |
| 544 | |
| 545 /* | |
| 546 * If the machine has job control, use it to suspend the program, | |
| 547 * otherwise fake it by starting a new shell. | |
| 548 * When running the GUI iconify the window. | |
| 549 */ | |
| 550 void | |
|
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|
551 ui_suspend(void) |
| 7 | 552 { |
| 553 #ifdef FEAT_GUI | |
| 554 if (gui.in_use) | |
| 555 { | |
| 556 gui_mch_iconify(); | |
| 557 return; | |
| 558 } | |
| 559 #endif | |
| 560 mch_suspend(); | |
| 561 } | |
| 562 | |
|
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|
563 #if !defined(UNIX) || !defined(SIGTSTP) || defined(PROTO) |
| 7 | 564 /* |
| 565 * When the OS can't really suspend, call this function to start a shell. | |
| 566 * This is never called in the GUI. | |
| 567 */ | |
| 568 void | |
|
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|
569 suspend_shell(void) |
| 7 | 570 { |
| 571 if (*p_sh == NUL) | |
|
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|
572 emsg(_(e_shellempty)); |
| 7 | 573 else |
| 574 { | |
|
15543
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|
575 msg_puts(_("new shell started\n")); |
| 7 | 576 do_shell(NULL, 0); |
| 577 } | |
| 578 } | |
| 579 #endif | |
| 580 | |
| 581 /* | |
| 582 * Try to get the current Vim shell size. Put the result in Rows and Columns. | |
| 583 * Use the new sizes as defaults for 'columns' and 'lines'. | |
| 584 * Return OK when size could be determined, FAIL otherwise. | |
| 585 */ | |
| 586 int | |
|
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|
587 ui_get_shellsize(void) |
| 7 | 588 { |
| 589 int retval; | |
| 590 | |
| 591 #ifdef FEAT_GUI | |
| 592 if (gui.in_use) | |
| 593 retval = gui_get_shellsize(); | |
| 594 else | |
| 595 #endif | |
| 596 retval = mch_get_shellsize(); | |
| 597 | |
| 598 check_shellsize(); | |
| 599 | |
|
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|
600 // adjust the default for 'lines' and 'columns' |
| 7 | 601 if (retval == OK) |
| 602 { | |
| 603 set_number_default("lines", Rows); | |
| 604 set_number_default("columns", Columns); | |
| 605 } | |
| 606 return retval; | |
| 607 } | |
| 608 | |
| 609 /* | |
| 610 * Set the size of the Vim shell according to Rows and Columns, if possible. | |
| 611 * The gui_set_shellsize() or mch_set_shellsize() function will try to set the | |
| 612 * new size. If this is not possible, it will adjust Rows and Columns. | |
| 613 */ | |
| 614 void | |
|
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|
615 ui_set_shellsize( |
|
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|
616 int mustset UNUSED) // set by the user |
| 7 | 617 { |
| 618 #ifdef FEAT_GUI | |
| 619 if (gui.in_use) | |
|
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|
620 gui_set_shellsize(mustset, TRUE, RESIZE_BOTH); |
| 7 | 621 else |
| 622 #endif | |
| 623 mch_set_shellsize(); | |
| 624 } | |
| 625 | |
| 626 /* | |
| 627 * Called when Rows and/or Columns changed. Adjust scroll region and mouse | |
| 628 * region. | |
| 629 */ | |
| 630 void | |
|
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changeset
|
631 ui_new_shellsize(void) |
| 7 | 632 { |
| 633 if (full_screen && !exiting) | |
| 634 { | |
| 635 #ifdef FEAT_GUI | |
| 636 if (gui.in_use) | |
| 637 gui_new_shellsize(); | |
| 638 else | |
| 639 #endif | |
| 640 mch_new_shellsize(); | |
| 641 } | |
| 642 } | |
| 643 | |
|
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|
644 #if ((defined(FEAT_EVAL) || defined(FEAT_TERMINAL)) \ |
|
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|
645 && (defined(FEAT_GUI) \ |
|
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changeset
|
646 || defined(MSWIN) \ |
|
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|
647 || (defined(HAVE_TGETENT) && defined(FEAT_TERMRESPONSE)))) \ |
|
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|
648 || defined(PROTO) |
|
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|
649 /* |
|
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650 * Get the window position in pixels, if possible. |
|
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651 * Return FAIL when not possible. |
|
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652 */ |
|
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653 int |
|
18139
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changeset
|
654 ui_get_winpos(int *x, int *y, varnumber_T timeout UNUSED) |
|
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655 { |
|
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656 # ifdef FEAT_GUI |
|
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657 if (gui.in_use) |
|
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658 return gui_mch_get_winpos(x, y); |
|
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659 # endif |
|
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changeset
|
660 # if defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL)) |
|
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661 return mch_get_winpos(x, y); |
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662 # else |
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663 # if defined(HAVE_TGETENT) && defined(FEAT_TERMRESPONSE) |
|
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664 return term_get_winpos(x, y, timeout); |
|
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665 # else |
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666 return FAIL; |
|
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667 # endif |
|
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668 # endif |
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669 } |
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670 #endif |
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671 |
| 7 | 672 void |
|
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673 ui_breakcheck(void) |
| 7 | 674 { |
|
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675 ui_breakcheck_force(FALSE); |
|
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676 } |
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677 |
|
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678 /* |
|
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679 * When "force" is true also check when the terminal is not in raw mode. |
|
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680 * This is useful to read input on channels. |
|
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681 */ |
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|
682 void |
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683 ui_breakcheck_force(int force) |
|
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684 { |
|
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685 static int recursive = FALSE; |
|
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686 int save_updating_screen = updating_screen; |
|
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687 |
|
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688 // We could be called recursively if stderr is redirected, calling |
|
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689 // fill_input_buf() calls settmode() when stdin isn't a tty. settmode() |
|
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690 // calls vgetorpeek() which calls ui_breakcheck() again. |
|
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|
691 if (recursive) |
|
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692 return; |
|
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693 recursive = TRUE; |
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694 |
|
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|
695 // We do not want gui_resize_shell() to redraw the screen here. |
|
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|
696 ++updating_screen; |
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|
697 |
| 7 | 698 #ifdef FEAT_GUI |
| 699 if (gui.in_use) | |
| 700 gui_mch_update(); | |
| 701 else | |
| 702 #endif | |
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|
703 mch_breakcheck(force); |
|
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704 |
|
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|
705 if (save_updating_screen) |
|
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|
706 updating_screen = TRUE; |
|
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|
707 else |
|
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708 after_updating_screen(FALSE); |
|
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709 |
|
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|
710 recursive = FALSE; |
| 7 | 711 } |
| 712 | |
|
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713 ////////////////////////////////////////////////////////////////////////////// |
|
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714 // Functions that handle the input buffer. |
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715 // This is used for any GUI version, and the unix terminal version. |
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716 // |
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717 // For Unix, the input characters are buffered to be able to check for a |
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718 // CTRL-C. This should be done with signals, but I don't know how to do that |
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719 // in a portable way for a tty in RAW mode. |
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720 // |
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721 // For the client-server code in the console the received keys are put in the |
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|
722 // input buffer. |
| 7 | 723 |
| 724 #if defined(USE_INPUT_BUF) || defined(PROTO) | |
| 725 | |
| 726 /* | |
| 727 * Internal typeahead buffer. Includes extra space for long key code | |
| 728 * descriptions which would otherwise overflow. The buffer is considered full | |
| 729 * when only this extra space (or part of it) remains. | |
| 730 */ | |
|
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731 #if defined(FEAT_JOB_CHANNEL) || defined(FEAT_CLIENTSERVER) |
| 7 | 732 /* |
|
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733 * NetBeans stuffs debugger commands into the input buffer. |
| 7 | 734 * This requires a larger buffer... |
| 735 * (Madsen) Go with this for remote input as well ... | |
| 736 */ | |
| 737 # define INBUFLEN 4096 | |
| 738 #else | |
| 739 # define INBUFLEN 250 | |
| 740 #endif | |
| 741 | |
| 742 static char_u inbuf[INBUFLEN + MAX_KEY_CODE_LEN]; | |
|
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743 static int inbufcount = 0; // number of chars in inbuf[] |
| 7 | 744 |
| 745 /* | |
| 746 * vim_is_input_buf_full(), vim_is_input_buf_empty(), add_to_input_buf(), and | |
| 747 * trash_input_buf() are functions for manipulating the input buffer. These | |
| 748 * are used by the gui_* calls when a GUI is used to handle keyboard input. | |
| 749 */ | |
| 750 | |
| 751 int | |
|
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|
752 vim_is_input_buf_full(void) |
| 7 | 753 { |
| 754 return (inbufcount >= INBUFLEN); | |
| 755 } | |
| 756 | |
| 757 int | |
|
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|
758 vim_is_input_buf_empty(void) |
| 7 | 759 { |
| 760 return (inbufcount == 0); | |
| 761 } | |
| 762 | |
| 763 #if defined(FEAT_OLE) || defined(PROTO) | |
| 764 int | |
|
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|
765 vim_free_in_input_buf(void) |
| 7 | 766 { |
| 767 return (INBUFLEN - inbufcount); | |
| 768 } | |
| 769 #endif | |
| 770 | |
| 575 | 771 #if defined(FEAT_GUI_GTK) || defined(PROTO) |
| 7 | 772 int |
|
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|
773 vim_used_in_input_buf(void) |
| 7 | 774 { |
| 775 return inbufcount; | |
| 776 } | |
| 777 #endif | |
| 778 | |
| 779 /* | |
| 780 * Return the current contents of the input buffer and make it empty. | |
| 781 * The returned pointer must be passed to set_input_buf() later. | |
| 782 */ | |
| 783 char_u * | |
|
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|
784 get_input_buf(void) |
| 7 | 785 { |
| 786 garray_T *gap; | |
| 787 | |
|
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788 // We use a growarray to store the data pointer and the length. |
|
16825
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|
789 gap = ALLOC_ONE(garray_T); |
| 7 | 790 if (gap != NULL) |
| 791 { | |
|
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|
792 // Add one to avoid a zero size. |
|
16768
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changeset
|
793 gap->ga_data = alloc(inbufcount + 1); |
| 7 | 794 if (gap->ga_data != NULL) |
| 795 mch_memmove(gap->ga_data, inbuf, (size_t)inbufcount); | |
| 796 gap->ga_len = inbufcount; | |
| 797 } | |
| 798 trash_input_buf(); | |
| 799 return (char_u *)gap; | |
| 800 } | |
| 801 | |
| 802 /* | |
| 803 * Restore the input buffer with a pointer returned from get_input_buf(). | |
| 804 * The allocated memory is freed, this only works once! | |
| 805 */ | |
| 806 void | |
|
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807 set_input_buf(char_u *p) |
| 7 | 808 { |
| 809 garray_T *gap = (garray_T *)p; | |
| 810 | |
| 811 if (gap != NULL) | |
| 812 { | |
| 813 if (gap->ga_data != NULL) | |
| 814 { | |
| 815 mch_memmove(inbuf, gap->ga_data, gap->ga_len); | |
| 816 inbufcount = gap->ga_len; | |
| 817 vim_free(gap->ga_data); | |
| 818 } | |
| 819 vim_free(gap); | |
| 820 } | |
| 821 } | |
| 822 | |
| 823 /* | |
| 824 * Add the given bytes to the input buffer | |
| 825 * Special keys start with CSI. A real CSI must have been translated to | |
| 826 * CSI KS_EXTRA KE_CSI. K_SPECIAL doesn't require translation. | |
| 827 */ | |
| 828 void | |
|
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829 add_to_input_buf(char_u *s, int len) |
| 7 | 830 { |
| 831 if (inbufcount + len > INBUFLEN + MAX_KEY_CODE_LEN) | |
|
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|
832 return; // Shouldn't ever happen! |
| 7 | 833 |
| 834 while (len--) | |
| 835 inbuf[inbufcount++] = *s++; | |
| 836 } | |
| 837 | |
| 838 /* | |
| 839 * Add "str[len]" to the input buffer while escaping CSI bytes. | |
| 840 */ | |
| 841 void | |
| 842 add_to_input_buf_csi(char_u *str, int len) | |
| 843 { | |
| 844 int i; | |
| 845 char_u buf[2]; | |
| 846 | |
| 847 for (i = 0; i < len; ++i) | |
| 848 { | |
| 849 add_to_input_buf(str + i, 1); | |
| 850 if (str[i] == CSI) | |
| 851 { | |
|
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|
852 // Turn CSI into K_CSI. |
| 7 | 853 buf[0] = KS_EXTRA; |
| 854 buf[1] = (int)KE_CSI; | |
| 855 add_to_input_buf(buf, 2); | |
| 856 } | |
| 857 } | |
| 858 } | |
| 859 | |
|
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860 /* |
|
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changeset
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861 * Remove everything from the input buffer. Called when ^C is found. |
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862 */ |
| 7 | 863 void |
|
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|
864 trash_input_buf(void) |
| 7 | 865 { |
| 866 inbufcount = 0; | |
| 867 } | |
| 868 | |
| 869 /* | |
| 870 * Read as much data from the input buffer as possible up to maxlen, and store | |
| 871 * it in buf. | |
| 872 */ | |
| 873 int | |
|
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|
874 read_from_input_buf(char_u *buf, long maxlen) |
| 7 | 875 { |
|
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|
876 if (inbufcount == 0) // if the buffer is empty, fill it |
| 7 | 877 fill_input_buf(TRUE); |
| 878 if (maxlen > inbufcount) | |
| 879 maxlen = inbufcount; | |
| 880 mch_memmove(buf, inbuf, (size_t)maxlen); | |
| 881 inbufcount -= maxlen; | |
| 882 if (inbufcount) | |
| 883 mch_memmove(inbuf, inbuf + maxlen, (size_t)inbufcount); | |
| 884 return (int)maxlen; | |
| 885 } | |
| 886 | |
| 887 void | |
|
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|
888 fill_input_buf(int exit_on_error UNUSED) |
| 7 | 889 { |
|
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|
890 #if defined(UNIX) || defined(VMS) || defined(MACOS_X) |
| 7 | 891 int len; |
| 892 int try; | |
| 893 static int did_read_something = FALSE; | |
|
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|
894 static char_u *rest = NULL; // unconverted rest of previous read |
| 7 | 895 static int restlen = 0; |
| 896 int unconverted; | |
| 897 #endif | |
| 898 | |
| 899 #ifdef FEAT_GUI | |
| 294 | 900 if (gui.in_use |
| 901 # ifdef NO_CONSOLE_INPUT | |
|
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902 // Don't use the GUI input when the window hasn't been opened yet. |
|
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|
903 // We get here from ui_inchar() when we should try reading from stdin. |
| 294 | 904 && !no_console_input() |
| 905 # endif | |
| 906 ) | |
| 7 | 907 { |
| 908 gui_mch_update(); | |
| 909 return; | |
| 910 } | |
| 911 #endif | |
|
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|
912 #if defined(UNIX) || defined(VMS) || defined(MACOS_X) |
| 7 | 913 if (vim_is_input_buf_full()) |
| 914 return; | |
| 915 /* | |
| 916 * Fill_input_buf() is only called when we really need a character. | |
| 917 * If we can't get any, but there is some in the buffer, just return. | |
| 918 * If we can't get any, and there isn't any in the buffer, we give up and | |
| 919 * exit Vim. | |
| 920 */ | |
| 921 if (rest != NULL) | |
| 922 { | |
|
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|
923 // Use remainder of previous call, starts with an invalid character |
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|
924 // that may become valid when reading more. |
| 7 | 925 if (restlen > INBUFLEN - inbufcount) |
| 926 unconverted = INBUFLEN - inbufcount; | |
| 927 else | |
| 928 unconverted = restlen; | |
| 929 mch_memmove(inbuf + inbufcount, rest, unconverted); | |
| 930 if (unconverted == restlen) | |
|
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|
931 VIM_CLEAR(rest); |
| 7 | 932 else |
| 933 { | |
| 934 restlen -= unconverted; | |
| 935 mch_memmove(rest, rest + unconverted, restlen); | |
| 936 } | |
| 937 inbufcount += unconverted; | |
| 938 } | |
| 939 else | |
| 940 unconverted = 0; | |
| 941 | |
|
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942 len = 0; // to avoid gcc warning |
| 7 | 943 for (try = 0; try < 100; ++try) |
| 944 { | |
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945 size_t readlen = (size_t)((INBUFLEN - inbufcount) |
|
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946 / input_conv.vc_factor); |
|
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947 # ifdef VMS |
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948 len = vms_read((char *)inbuf + inbufcount, readlen); |
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949 # else |
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950 len = read(read_cmd_fd, (char *)inbuf + inbufcount, readlen); |
| 7 | 951 # endif |
|
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952 # ifdef FEAT_JOB_CHANNEL |
|
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953 if (len > 0) |
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954 { |
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955 inbuf[inbufcount + len] = NUL; |
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956 ch_log(NULL, "raw key input: \"%s\"", inbuf + inbufcount); |
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957 } |
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|
958 # endif |
| 169 | 959 |
| 7 | 960 if (len > 0 || got_int) |
| 961 break; | |
| 962 /* | |
| 963 * If reading stdin results in an error, continue reading stderr. | |
| 964 * This helps when using "foo | xargs vim". | |
| 965 */ | |
| 966 if (!did_read_something && !isatty(read_cmd_fd) && read_cmd_fd == 0) | |
| 967 { | |
| 968 int m = cur_tmode; | |
| 969 | |
|
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970 // We probably set the wrong file descriptor to raw mode. Switch |
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971 // back to cooked mode, use another descriptor and set the mode to |
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972 // what it was. |
| 7 | 973 settmode(TMODE_COOK); |
| 974 #ifdef HAVE_DUP | |
|
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975 // Use stderr for stdin, also works for shell commands. |
| 7 | 976 close(0); |
|
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977 vim_ignored = dup(2); |
| 7 | 978 #else |
|
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979 read_cmd_fd = 2; // read from stderr instead of stdin |
| 7 | 980 #endif |
| 981 settmode(m); | |
| 982 } | |
| 983 if (!exit_on_error) | |
| 984 return; | |
| 985 } | |
| 986 if (len <= 0 && !got_int) | |
| 987 read_error_exit(); | |
| 988 if (len > 0) | |
| 989 did_read_something = TRUE; | |
| 990 if (got_int) | |
| 991 { | |
|
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992 // Interrupted, pretend a CTRL-C was typed. |
| 7 | 993 inbuf[0] = 3; |
| 994 inbufcount = 1; | |
| 995 } | |
| 996 else | |
| 997 { | |
| 998 /* | |
| 999 * May perform conversion on the input characters. | |
| 1000 * Include the unconverted rest of the previous call. | |
| 1001 * If there is an incomplete char at the end it is kept for the next | |
| 1002 * time, reading more bytes should make conversion possible. | |
| 1003 * Don't do this in the unlikely event that the input buffer is too | |
| 1004 * small ("rest" still contains more bytes). | |
| 1005 */ | |
| 1006 if (input_conv.vc_type != CONV_NONE) | |
| 1007 { | |
| 1008 inbufcount -= unconverted; | |
| 1009 len = convert_input_safe(inbuf + inbufcount, | |
| 1010 len + unconverted, INBUFLEN - inbufcount, | |
| 1011 rest == NULL ? &rest : NULL, &restlen); | |
| 1012 } | |
| 1013 while (len-- > 0) | |
| 1014 { | |
| 1015 /* | |
|
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1016 * If a CTRL-C was typed, remove it from the buffer and set |
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1017 * got_int. Also recognize CTRL-C with modifyOtherKeys set. |
| 7 | 1018 */ |
|
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1019 if (ctrl_c_interrupts && (inbuf[inbufcount] == 3 |
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1020 || (len >= 9 && STRNCMP(inbuf + inbufcount, |
|
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1021 "\033[27;5;99~", 10) == 0))) |
| 7 | 1022 { |
|
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|
1023 // remove everything typed before the CTRL-C |
| 7 | 1024 mch_memmove(inbuf, inbuf + inbufcount, (size_t)(len + 1)); |
| 1025 inbufcount = 0; | |
| 1026 got_int = TRUE; | |
| 1027 } | |
| 1028 ++inbufcount; | |
| 1029 } | |
| 1030 } | |
|
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|
1031 #endif // UNIX || VMS || MACOS_X |
| 7 | 1032 } |
|
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1033 #endif // USE_INPUT_BUF |
| 7 | 1034 |
| 1035 /* | |
| 1036 * Exit because of an input read error. | |
| 1037 */ | |
| 1038 void | |
|
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1039 read_error_exit(void) |
| 7 | 1040 { |
|
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1041 if (silent_mode) // Normal way to exit for "ex -s" |
| 7 | 1042 getout(0); |
| 1043 STRCPY(IObuff, _("Vim: Error reading input, exiting...\n")); | |
| 1044 preserve_exit(); | |
| 1045 } | |
| 1046 | |
| 1047 #if defined(CURSOR_SHAPE) || defined(PROTO) | |
| 1048 /* | |
| 1049 * May update the shape of the cursor. | |
| 1050 */ | |
| 1051 void | |
|
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1052 ui_cursor_shape_forced(int forced) |
| 7 | 1053 { |
| 1054 # ifdef FEAT_GUI | |
| 1055 if (gui.in_use) | |
| 1056 gui_update_cursor_later(); | |
| 36 | 1057 else |
| 7 | 1058 # endif |
|
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1059 term_cursor_mode(forced); |
| 36 | 1060 |
| 7 | 1061 # ifdef MCH_CURSOR_SHAPE |
| 1062 mch_update_cursor(); | |
| 1063 # endif | |
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1064 |
|
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1065 # ifdef FEAT_CONCEAL |
|
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1066 conceal_check_cursor_line(); |
|
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1067 # endif |
| 7 | 1068 } |
|
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1069 |
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1070 void |
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1071 ui_cursor_shape(void) |
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1072 { |
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1073 ui_cursor_shape_forced(FALSE); |
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1074 } |
| 7 | 1075 #endif |
| 1076 | |
| 1077 /* | |
| 1078 * Check bounds for column number | |
| 1079 */ | |
| 1080 int | |
|
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changeset
|
1081 check_col(int col) |
| 7 | 1082 { |
| 1083 if (col < 0) | |
| 1084 return 0; | |
| 1085 if (col >= (int)screen_Columns) | |
| 1086 return (int)screen_Columns - 1; | |
| 1087 return col; | |
| 1088 } | |
| 1089 | |
| 1090 /* | |
| 1091 * Check bounds for row number | |
| 1092 */ | |
| 1093 int | |
|
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|
1094 check_row(int row) |
| 7 | 1095 { |
| 1096 if (row < 0) | |
| 1097 return 0; | |
| 1098 if (row >= (int)screen_Rows) | |
| 1099 return (int)screen_Rows - 1; | |
| 1100 return row; | |
| 1101 } | |
| 1102 | |
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1103 #if defined(FEAT_GUI) || defined(MSWIN) || defined(PROTO) |
| 7 | 1104 /* |
| 1105 * Called when focus changed. Used for the GUI or for systems where this can | |
| 1106 * be done in the console (Win32). | |
| 1107 */ | |
| 1108 void | |
|
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1109 ui_focus_change( |
|
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1110 int in_focus) // TRUE if focus gained. |
| 7 | 1111 { |
| 1112 static time_t last_time = (time_t)0; | |
| 1113 int need_redraw = FALSE; | |
| 1114 | |
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1115 // When activated: Check if any file was modified outside of Vim. |
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1116 // Only do this when not done within the last two seconds (could get |
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1117 // several events in a row). |
| 7 | 1118 if (in_focus && last_time + 2 < time(NULL)) |
| 1119 { | |
| 1120 need_redraw = check_timestamps( | |
| 1121 # ifdef FEAT_GUI | |
| 1122 gui.in_use | |
| 1123 # else | |
| 1124 FALSE | |
| 1125 # endif | |
| 1126 ); | |
| 1127 last_time = time(NULL); | |
| 1128 } | |
| 1129 | |
| 1130 /* | |
| 1131 * Fire the focus gained/lost autocommand. | |
| 1132 */ | |
| 1133 need_redraw |= apply_autocmds(in_focus ? EVENT_FOCUSGAINED | |
| 1134 : EVENT_FOCUSLOST, NULL, NULL, FALSE, curbuf); | |
| 1135 | |
| 1136 if (need_redraw) | |
| 1137 { | |
|
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1138 // Something was executed, make sure the cursor is put back where it |
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|
1139 // belongs. |
| 7 | 1140 need_wait_return = FALSE; |
| 1141 | |
| 1142 if (State & CMDLINE) | |
| 1143 redrawcmdline(); | |
| 1144 else if (State == HITRETURN || State == SETWSIZE || State == ASKMORE | |
| 1145 || State == EXTERNCMD || State == CONFIRM || exmode_active) | |
| 1146 repeat_message(); | |
| 1147 else if ((State & NORMAL) || (State & INSERT)) | |
| 1148 { | |
| 1149 if (must_redraw != 0) | |
| 1150 update_screen(0); | |
| 1151 setcursor(); | |
| 1152 } | |
|
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|
1153 cursor_on(); // redrawing may have switched it off |
|
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changeset
|
1154 out_flush_cursor(FALSE, TRUE); |
| 7 | 1155 # ifdef FEAT_GUI |
| 1156 if (gui.in_use) | |
| 1157 gui_update_scrollbars(FALSE); | |
| 1158 # endif | |
| 1159 } | |
| 1160 #ifdef FEAT_TITLE | |
|
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|
1161 // File may have been changed from 'readonly' to 'noreadonly' |
| 7 | 1162 if (need_maketitle) |
| 1163 maketitle(); | |
| 1164 #endif | |
| 1165 } | |
| 1166 #endif | |
| 1167 | |
|
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13373
diff
changeset
|
1168 #if defined(HAVE_INPUT_METHOD) || defined(PROTO) |
| 7 | 1169 /* |
| 1170 * Save current Input Method status to specified place. | |
| 1171 */ | |
| 1172 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1173 im_save_status(long *psave) |
| 7 | 1174 { |
|
18816
15539899a112
patch 8.1.2396: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1175 // Don't save when 'imdisable' is set or "xic" is NULL, IM is always |
|
15539899a112
patch 8.1.2396: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1176 // disabled then (but might start later). |
|
15539899a112
patch 8.1.2396: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1177 // Also don't save when inside a mapping, vgetc_im_active has not been set |
|
15539899a112
patch 8.1.2396: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1178 // then. |
|
15539899a112
patch 8.1.2396: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1179 // And don't save when the keys were stuffed (e.g., for a "." command). |
|
15539899a112
patch 8.1.2396: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1180 // And don't save when the GUI is running but our window doesn't have |
|
15539899a112
patch 8.1.2396: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1181 // input focus (e.g., when a find dialog is open). |
| 7 | 1182 if (!p_imdisable && KeyTyped && !KeyStuffed |
| 1183 # ifdef FEAT_XIM | |
| 1184 && xic != NULL | |
| 1185 # endif | |
| 1186 # ifdef FEAT_GUI | |
| 1187 && (!gui.in_use || gui.in_focus) | |
| 1188 # endif | |
| 1189 ) | |
| 1190 { | |
|
18816
15539899a112
patch 8.1.2396: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18763
diff
changeset
|
1191 // Do save when IM is on, or IM is off and saved status is on. |
| 7 | 1192 if (vgetc_im_active) |
| 1193 *psave = B_IMODE_IM; | |
| 1194 else if (*psave == B_IMODE_IM) | |
| 1195 *psave = B_IMODE_NONE; | |
| 1196 } | |
| 1197 } | |
| 1198 #endif |