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annotate src/popupwin.c @ 16778:eda4d65f232c v8.1.1391

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patch 8.1.1391: no popup window support commit https://github.com/vim/vim/commit/4d784b21d14fc66e98a2b07f70343cdd4acd62aa Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 25 19:51:39 2019 +0200 patch 8.1.1391: no popup window support Problem: No popup window support. Solution: Add initial code for popup windows. Add the 'wincolor' option.
author Bram Moolenaar <Bram@vim.org>
date Sat, 25 May 2019 20:00:08 +0200
parents
children ddfa924df50d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
16778
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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 *
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5 * Do ":help uganda" in Vim to read a list of people who contributed.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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11 * Implementation of popup windows. See ":help popup".
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12 */
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13
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14 #include "vim.h"
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15
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16 #ifdef FEAT_TEXT_PROP
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17
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18 /*
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19 * Go through the options in "dict" and apply them to buffer "buf" displayed in
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20 * popup window "wp".
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21 */
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22 static void
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23 apply_options(win_T *wp, buf_T *buf UNUSED, dict_T *dict)
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24 {
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25 wp->w_maxwidth = dict_get_number(dict, (char_u *)"maxwidth");
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26 wp->w_maxheight = dict_get_number(dict, (char_u *)"maxheight");
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27 wp->w_winrow = dict_get_number(dict, (char_u *)"line");
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28 wp->w_wincol = dict_get_number(dict, (char_u *)"col");
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29 wp->w_zindex = dict_get_number(dict, (char_u *)"zindex");
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30 }
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31
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32 /*
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33 * popup_create({text}, {options})
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34 */
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35 void
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36 f_popup_create(typval_T *argvars, typval_T *rettv)
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37 {
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38 win_T *wp;
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39 buf_T *buf;
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40 dict_T *d;
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41 int nr;
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42
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43 // Check arguments look OK.
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44 if (!(argvars[0].v_type == VAR_STRING
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45 && argvars[0].vval.v_string != NULL
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46 && STRLEN(argvars[0].vval.v_string) > 0)
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47 && !(argvars[0].v_type == VAR_LIST
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48 && argvars[0].vval.v_list != NULL
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49 && argvars[0].vval.v_list->lv_len > 0))
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50 {
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51 emsg(_(e_listreq));
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52 return;
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53 }
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54 if (argvars[1].v_type != VAR_DICT || argvars[1].vval.v_dict == NULL)
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55 {
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56 emsg(_(e_dictreq));
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57 return;
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58 }
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59 d = argvars[1].vval.v_dict;
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60
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61 // Create the window and buffer.
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62 wp = win_alloc_popup_win();
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63 if (wp == NULL)
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64 return;
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65 rettv->vval.v_number = wp->w_id;
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66 wp->w_p_wrap = TRUE; // 'wrap' is default on
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67
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68 buf = buflist_new(NULL, NULL, (linenr_T)0, BLN_NEW|BLN_LISTED|BLN_DUMMY);
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69 if (buf == NULL)
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70 return;
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71 ml_open(buf);
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72 curbuf = buf;
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73 set_string_option_direct((char_u *)"buftype", -1,
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74 (char_u *)"popup", OPT_FREE|OPT_LOCAL, 0);
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75 set_string_option_direct((char_u *)"bufhidden", -1,
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76 (char_u *)"hide", OPT_FREE|OPT_LOCAL, 0);
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77 curbuf = curwin->w_buffer;
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78 buf->b_p_ul = -1; // no undo
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79 buf->b_p_swf = FALSE; // no swap file
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80 buf->b_p_bl = FALSE; // unlisted buffer
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81
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82 win_init_popup_win(wp, buf);
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83
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84 nr = (int)dict_get_number(d, (char_u *)"tab");
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85 if (nr == 0)
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86 {
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87 // popup on current tab
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88 wp->w_next = first_tab_popupwin;
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89 first_tab_popupwin = wp;
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90 }
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91 else if (nr < 0)
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92 {
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93 // global popup
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94 wp->w_next = first_popupwin;
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95 first_popupwin = wp;
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96 }
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97 else
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98 // TODO: find tab page "nr"
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99 emsg("Not implemented yet");
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100
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101 // Add text to the buffer.
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102 if (argvars[0].v_type == VAR_STRING)
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103 // just a string
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104 ml_append_buf(buf, 0, argvars[0].vval.v_string, (colnr_T)0, TRUE);
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105 else if (argvars[0].vval.v_list->lv_first->li_tv.v_type == VAR_STRING)
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106 {
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107 listitem_T *li;
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108 linenr_T lnum = 0;
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109 char_u *p;
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110
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111 // list of strings
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112 for (li = argvars[0].vval.v_list->lv_first; li != NULL;
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113 li = li->li_next)
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114 if (li->li_tv.v_type == VAR_STRING)
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115 {
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116 p = li->li_tv.vval.v_string;
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117 ml_append_buf(buf, lnum++,
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118 p == NULL ? (char_u *)"" : p, (colnr_T)0, TRUE);
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119 }
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120 }
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121 else
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122 // TODO: handle a list of dictionaries
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123 emsg("Not implemented yet");
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124
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125 // Delete the line of the empty buffer.
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126 curbuf = buf;
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127 ml_delete(buf->b_ml.ml_line_count, FALSE);
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128 curbuf = curwin->w_buffer;
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129
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130 // Deal with options.
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131 apply_options(wp, buf, argvars[1].vval.v_dict);
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132
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133 // set default values
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134 if (wp->w_zindex == 0)
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135 wp->w_zindex = 50;
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136
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137 // TODO: Compute the size and position properly.
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138
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139 // Default position is in middle of the screen, assuming a small popup
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140 if (wp->w_winrow == 0)
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141 wp->w_winrow = Rows > 5 ? Rows / 2 - 2 : 0;
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142 else
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143 --wp->w_winrow; // option value is one-based
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144 if (wp->w_wincol == 0)
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145 wp->w_wincol = Columns > 20 ? Columns / 2 - 10 : 0;
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146 else
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147 --wp->w_wincol; // option value is one-based
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148
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149
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150 // TODO: set width based on longest text line and the 'wrap' option
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151 wp->w_width = wp->w_maxwidth == 0 ? 20 : wp->w_maxwidth;
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152 if (wp->w_maxwidth > 0 && wp->w_width > wp->w_maxwidth)
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153 wp->w_width = wp->w_maxwidth;
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154 if (wp->w_width > Columns - wp->w_wincol)
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155 wp->w_width = Columns - wp->w_wincol;
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156
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157 // TODO: adjust height for wrapped lines
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158 wp->w_height = buf->b_ml.ml_line_count;
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159 if (wp->w_maxheight > 0 && wp->w_height > wp->w_maxheight)
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160 wp->w_height = wp->w_maxheight;
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161 if (wp->w_height > Rows - wp->w_winrow)
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162 wp->w_height = Rows - wp->w_winrow;
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163
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164 wp->w_vsep_width = 0;
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165
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166 redraw_all_later(NOT_VALID);
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167 }
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168
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169 /*
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170 * popup_close({id})
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171 */
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172 void
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173 f_popup_close(typval_T *argvars, typval_T *rettv UNUSED)
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174 {
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175 int nr = (int)tv_get_number(argvars);
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176
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177 popup_close(nr);
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178 }
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179
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180 void
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181 popup_close(int nr)
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182 {
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183 win_T *wp;
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184 win_T *prev = NULL;
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185
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186 for (wp = first_popupwin; wp != NULL; prev = wp, wp = wp->w_next)
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187 if (wp->w_id == nr)
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188 {
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189 if (prev == NULL)
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190 first_popupwin = wp->w_next;
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191 else
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192 prev->w_next = wp->w_next;
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193 break;
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194 }
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195
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196 if (wp == NULL)
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197 {
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198 prev = NULL;
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199 for (wp = first_tab_popupwin; wp != NULL; prev = wp, wp = wp->w_next)
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200 if (wp->w_id == nr)
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201 {
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202 if (prev == NULL)
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203 first_tab_popupwin = wp->w_next;
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204 else
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205 prev->w_next = wp->w_next;
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206 break;
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207 }
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208 }
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209 if (wp != NULL)
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210 {
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211 win_free_popup(wp);
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212 redraw_all_later(NOT_VALID);
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213 }
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214 }
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215
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216 void
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217 close_all_popups(void)
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218 {
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219 while (first_popupwin != NULL)
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220 popup_close(first_popupwin->w_id);
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221 while (first_tab_popupwin != NULL)
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222 popup_close(first_tab_popupwin->w_id);
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223 }
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224
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225 void
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226 ex_popupclear(exarg_T *eap UNUSED)
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227 {
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228 close_all_popups();
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229 }
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230
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231 #endif // FEAT_TEXT_PROP