Mercurial > vim
annotate src/beval.c @ 19463:798fce18d049 v8.2.0289
patch 8.2.0289: Vim9: :echo did not clear the rest of the line
Commit: https://github.com/vim/vim/commit/e0807ea4a715334bd9a4795d98cad6e7925b5281
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Feb 20 22:18:06 2020 +0100
patch 8.2.0289: Vim9: :echo did not clear the rest of the line
Problem: Vim9: :echo did not clear the rest of the line.
Solution: Call msg_clr_eos(). (Ken Takata, closes https://github.com/vim/vim/issues/5668)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 20 Feb 2020 22:30:04 +0100 |
| parents | 49b78d6465e5 |
| children | 473ceb7f65e2 |
| rev | line source |
|---|---|
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
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2 * |
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3 * VIM - Vi IMproved by Bram Moolenaar |
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4 * Visual Workshop integration by Gordon Prieur |
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5 * |
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6 * Do ":help uganda" in Vim to read copying and usage conditions. |
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7 * Do ":help credits" in Vim to see a list of people who contributed. |
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8 * See README.txt for an overview of the Vim source code. |
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9 */ |
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10 |
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11 #include "vim.h" |
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12 |
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13 #if defined(FEAT_BEVAL) || defined(FEAT_PROP_POPUP) || defined(PROTO) |
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14 /* |
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15 * Find text under the mouse position "row" / "col". |
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16 * If "getword" is TRUE the returned text in "*textp" is not the whole line but |
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17 * the relevant word in allocated memory. |
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18 * Return OK if found. |
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19 * Return FAIL if not found, no text at the mouse position. |
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20 */ |
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21 int |
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22 find_word_under_cursor( |
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23 int mouserow, |
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24 int mousecol, |
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25 int getword, |
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26 int flags, // flags for find_ident_at_pos() |
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27 win_T **winp, // can be NULL |
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28 linenr_T *lnump, // can be NULL |
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29 char_u **textp, |
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30 int *colp, // column where mouse hovers, can be NULL |
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31 int *startcolp) // column where text starts, can be NULL |
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32 { |
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33 int row = mouserow; |
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34 int col = mousecol; |
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35 int scol; |
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36 win_T *wp; |
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37 char_u *lbuf; |
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38 linenr_T lnum; |
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39 |
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40 *textp = NULL; |
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41 wp = mouse_find_win(&row, &col, FAIL_POPUP); |
| 12981 | 42 if (wp != NULL && row >= 0 && row < wp->w_height && col < wp->w_width) |
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43 { |
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44 // Found a window and the cursor is in the text. Now find the line |
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45 // number. |
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46 if (!mouse_comp_pos(wp, &row, &col, &lnum, NULL)) |
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47 { |
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48 // Not past end of the file. |
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49 lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE); |
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50 if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL)) |
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51 { |
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52 // Not past end of line. |
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53 if (getword) |
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54 { |
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55 // For Netbeans we get the relevant part of the line |
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56 // instead of the whole line. |
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57 int len; |
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58 pos_T *spos = NULL, *epos = NULL; |
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59 |
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60 if (VIsual_active) |
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61 { |
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62 if (LT_POS(VIsual, curwin->w_cursor)) |
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63 { |
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64 spos = &VIsual; |
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65 epos = &curwin->w_cursor; |
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66 } |
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67 else |
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68 { |
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69 spos = &curwin->w_cursor; |
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70 epos = &VIsual; |
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71 } |
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72 } |
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73 |
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74 col = vcol2col(wp, lnum, col); |
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75 scol = col; |
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76 |
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77 if (VIsual_active |
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78 && wp->w_buffer == curwin->w_buffer |
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79 && (lnum == spos->lnum |
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80 ? col >= (int)spos->col |
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81 : lnum > spos->lnum) |
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82 && (lnum == epos->lnum |
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83 ? col <= (int)epos->col |
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84 : lnum < epos->lnum)) |
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85 { |
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86 // Visual mode and pointing to the line with the |
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87 // Visual selection: return selected text, with a |
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88 // maximum of one line. |
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89 if (spos->lnum != epos->lnum || spos->col == epos->col) |
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90 return FAIL; |
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91 |
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92 lbuf = ml_get_buf(curwin->w_buffer, VIsual.lnum, FALSE); |
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93 len = epos->col - spos->col; |
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94 if (*p_sel != 'e') |
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95 len += mb_ptr2len(lbuf + epos->col); |
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96 lbuf = vim_strnsave(lbuf + spos->col, len); |
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97 lnum = spos->lnum; |
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98 col = spos->col; |
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99 scol = col; |
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100 } |
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101 else |
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102 { |
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103 // Find the word under the cursor. |
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104 ++emsg_off; |
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105 len = find_ident_at_pos(wp, lnum, (colnr_T)col, |
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106 &lbuf, &scol, flags); |
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107 --emsg_off; |
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108 if (len == 0) |
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109 return FAIL; |
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110 lbuf = vim_strnsave(lbuf, len); |
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111 } |
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112 } |
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113 |
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114 if (winp != NULL) |
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115 *winp = wp; |
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116 if (lnump != NULL) |
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117 *lnump = lnum; |
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118 *textp = lbuf; |
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119 if (colp != NULL) |
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120 *colp = col; |
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121 if (startcolp != NULL) |
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122 *startcolp = scol; |
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123 return OK; |
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124 } |
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125 } |
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126 } |
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127 return FAIL; |
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128 } |
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129 #endif |
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130 |
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131 #if defined(FEAT_BEVAL) || defined(PROTO) |
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132 |
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133 /* |
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134 * Get the text and position to be evaluated for "beval". |
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135 * If "getword" is TRUE the returned text is not the whole line but the |
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136 * relevant word in allocated memory. |
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137 * Returns OK or FAIL. |
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138 */ |
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139 int |
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140 get_beval_info( |
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141 BalloonEval *beval, |
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142 int getword, |
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143 win_T **winp, |
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144 linenr_T *lnump, |
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145 char_u **textp, |
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146 int *colp) |
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147 { |
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148 int row = mouse_row; |
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149 int col = mouse_col; |
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150 |
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151 # ifdef FEAT_GUI |
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152 if (gui.in_use) |
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153 { |
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154 row = Y_2_ROW(beval->y); |
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155 col = X_2_COL(beval->x); |
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156 } |
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157 #endif |
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158 if (find_word_under_cursor(row, col, getword, |
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159 FIND_IDENT + FIND_STRING + FIND_EVAL, |
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160 winp, lnump, textp, colp, NULL) == OK) |
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161 { |
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162 #ifdef FEAT_VARTABS |
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163 vim_free(beval->vts); |
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164 beval->vts = tabstop_copy((*winp)->w_buffer->b_p_vts_array); |
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165 if ((*winp)->w_buffer->b_p_vts_array != NULL && beval->vts == NULL) |
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166 { |
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167 if (getword) |
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168 vim_free(*textp); |
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169 return FAIL; |
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170 } |
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171 #endif |
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172 beval->ts = (*winp)->w_buffer->b_p_ts; |
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173 return OK; |
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174 } |
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175 |
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176 return FAIL; |
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177 } |
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178 |
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179 /* |
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180 * Show a balloon with "mesg" or "list". |
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181 * Hide the balloon when both are NULL. |
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182 */ |
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183 void |
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184 post_balloon(BalloonEval *beval UNUSED, char_u *mesg, list_T *list UNUSED) |
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185 { |
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186 # ifdef FEAT_BEVAL_TERM |
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187 # ifdef FEAT_GUI |
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188 if (!gui.in_use) |
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189 # endif |
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190 ui_post_balloon(mesg, list); |
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191 # endif |
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192 # ifdef FEAT_BEVAL_GUI |
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193 if (gui.in_use) |
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194 // GUI can't handle a list |
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195 gui_mch_post_balloon(beval, mesg); |
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196 # endif |
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197 } |
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198 |
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199 /* |
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200 * Returns TRUE if the balloon eval has been enabled: |
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201 * 'ballooneval' for the GUI and 'balloonevalterm' for the terminal. |
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202 * Also checks if the screen isn't scrolled up. |
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203 */ |
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204 int |
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205 can_use_beval(void) |
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206 { |
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207 return (0 |
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208 #ifdef FEAT_BEVAL_GUI |
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209 || (gui.in_use && p_beval) |
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210 #endif |
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211 #ifdef FEAT_BEVAL_TERM |
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212 || ( |
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213 # ifdef FEAT_GUI |
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214 !gui.in_use && |
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215 # endif |
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216 p_bevalterm) |
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217 #endif |
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218 ) && msg_scrolled == 0; |
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219 } |
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220 |
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221 /* |
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222 * Common code, invoked when the mouse is resting for a moment. |
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223 */ |
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224 void |
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225 general_beval_cb(BalloonEval *beval, int state UNUSED) |
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226 { |
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227 #ifdef FEAT_EVAL |
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228 win_T *wp; |
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229 int col; |
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230 int use_sandbox; |
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231 linenr_T lnum; |
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232 char_u *text; |
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233 static char_u *result = NULL; |
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234 long winnr = 0; |
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235 char_u *bexpr; |
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236 buf_T *save_curbuf; |
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237 size_t len; |
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238 win_T *cw; |
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239 #endif |
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240 static int recursive = FALSE; |
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241 |
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242 // Don't do anything when 'ballooneval' is off, messages scrolled the |
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243 // windows up or we have no beval area. |
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244 if (!can_use_beval() || beval == NULL) |
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245 return; |
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246 |
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247 // Don't do this recursively. Happens when the expression evaluation |
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248 // takes a long time and invokes something that checks for CTRL-C typed. |
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249 if (recursive) |
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250 return; |
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251 recursive = TRUE; |
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252 |
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253 #ifdef FEAT_EVAL |
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254 if (get_beval_info(beval, TRUE, &wp, &lnum, &text, &col) == OK) |
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255 { |
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256 bexpr = (*wp->w_buffer->b_p_bexpr == NUL) ? p_bexpr |
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257 : wp->w_buffer->b_p_bexpr; |
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258 if (*bexpr != NUL) |
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259 { |
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260 // Convert window pointer to number. |
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261 for (cw = firstwin; cw != wp; cw = cw->w_next) |
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262 ++winnr; |
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263 |
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264 set_vim_var_nr(VV_BEVAL_BUFNR, (long)wp->w_buffer->b_fnum); |
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265 set_vim_var_nr(VV_BEVAL_WINNR, winnr); |
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266 set_vim_var_nr(VV_BEVAL_WINID, wp->w_id); |
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267 set_vim_var_nr(VV_BEVAL_LNUM, (long)lnum); |
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268 set_vim_var_nr(VV_BEVAL_COL, (long)(col + 1)); |
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269 set_vim_var_string(VV_BEVAL_TEXT, text, -1); |
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270 vim_free(text); |
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271 |
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272 /* |
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273 * Temporarily change the curbuf, so that we can determine whether |
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274 * the buffer-local balloonexpr option was set insecurely. |
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275 */ |
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276 save_curbuf = curbuf; |
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277 curbuf = wp->w_buffer; |
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278 use_sandbox = was_set_insecurely((char_u *)"balloonexpr", |
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279 *curbuf->b_p_bexpr == NUL ? 0 : OPT_LOCAL); |
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280 curbuf = save_curbuf; |
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281 if (use_sandbox) |
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282 ++sandbox; |
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283 ++textlock; |
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284 |
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285 vim_free(result); |
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286 result = eval_to_string(bexpr, NULL, TRUE); |
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287 |
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288 // Remove one trailing newline, it is added when the result was a |
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289 // list and it's hardly ever useful. If the user really wants a |
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290 // trailing newline he can add two and one remains. |
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291 if (result != NULL) |
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292 { |
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293 len = STRLEN(result); |
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294 if (len > 0 && result[len - 1] == NL) |
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295 result[len - 1] = NUL; |
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296 } |
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297 |
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298 if (use_sandbox) |
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299 --sandbox; |
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300 --textlock; |
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301 |
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302 set_vim_var_string(VV_BEVAL_TEXT, NULL, -1); |
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303 if (result != NULL && result[0] != NUL) |
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304 post_balloon(beval, result, NULL); |
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305 |
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306 // The 'balloonexpr' evaluation may show something on the screen |
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307 // that requires a screen update. |
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308 if (must_redraw) |
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309 redraw_after_callback(FALSE); |
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310 |
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311 recursive = FALSE; |
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312 return; |
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313 } |
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314 } |
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315 #endif |
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316 #ifdef FEAT_NETBEANS_INTG |
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317 if (bevalServers & BEVAL_NETBEANS) |
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318 netbeans_beval_cb(beval, state); |
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Christian Brabandt <cb@256bit.org>
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changeset
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319 #endif |
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1a450ce6980c
patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
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320 |
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1a450ce6980c
patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
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321 recursive = FALSE; |
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1a450ce6980c
patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
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322 } |
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1a450ce6980c
patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
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323 |
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1a450ce6980c
patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
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324 #endif |