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comparison src/popupmnu.c @ 12865:ebb4f6c93598 v8.0.1309

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patch 8.0.1309: cannot use 'balloonexpr' in a terminal commit https://github.com/vim/vim/commit/51b0f3701ecb440aa72ab6017c1df6940c0e0f6f Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 18 18:52:04 2017 +0100 patch 8.0.1309: cannot use 'balloonexpr' in a terminal Problem: Cannot use 'balloonexpr' in a terminal. Solution: Add 'balloonevalterm' and add code to handle mouse movements in a terminal. Initial implementation for Unix with GUI.
author Christian Brabandt <cb@256bit.org>
date Sat, 18 Nov 2017 19:00:06 +0100
parents fad36581f788
children 1a450ce6980c
comparison
equal deleted inserted replaced
12864:e98532b79dba 12865:ebb4f6c93598
21 21
22 static int pum_height; /* nr of displayed pum items */ 22 static int pum_height; /* nr of displayed pum items */
23 static int pum_width; /* width of displayed pum items */ 23 static int pum_width; /* width of displayed pum items */
24 static int pum_base_width; /* width of pum items base */ 24 static int pum_base_width; /* width of pum items base */
25 static int pum_kind_width; /* width of pum items kind column */ 25 static int pum_kind_width; /* width of pum items kind column */
26 static int pum_extra_width; /* width of extra stuff */
26 static int pum_scrollbar; /* TRUE when scrollbar present */ 27 static int pum_scrollbar; /* TRUE when scrollbar present */
27 28
28 static int pum_row; /* top row of pum */ 29 static int pum_row; /* top row of pum */
29 static int pum_col; /* left column of pum */ 30 static int pum_col; /* left column of pum */
30 31
32 33
33 static int pum_set_selected(int n, int repeat); 34 static int pum_set_selected(int n, int repeat);
34 35
35 #define PUM_DEF_HEIGHT 10 36 #define PUM_DEF_HEIGHT 10
36 #define PUM_DEF_WIDTH 15 37 #define PUM_DEF_WIDTH 15
38
39 static void
40 pum_compute_size(void)
41 {
42 int i;
43 int w;
44
45 /* Compute the width of the widest match and the widest extra. */
46 pum_base_width = 0;
47 pum_kind_width = 0;
48 pum_extra_width = 0;
49 for (i = 0; i < pum_size; ++i)
50 {
51 w = vim_strsize(pum_array[i].pum_text);
52 if (pum_base_width < w)
53 pum_base_width = w;
54 if (pum_array[i].pum_kind != NULL)
55 {
56 w = vim_strsize(pum_array[i].pum_kind) + 1;
57 if (pum_kind_width < w)
58 pum_kind_width = w;
59 }
60 if (pum_array[i].pum_extra != NULL)
61 {
62 w = vim_strsize(pum_array[i].pum_extra) + 1;
63 if (pum_extra_width < w)
64 pum_extra_width = w;
65 }
66 }
67 }
37 68
38 /* 69 /*
39 * Show the popup menu with items "array[size]". 70 * Show the popup menu with items "array[size]".
40 * "array" must remain valid until pum_undisplay() is called! 71 * "array" must remain valid until pum_undisplay() is called!
41 * When possible the leftmost character is aligned with screen column "col". 72 * When possible the leftmost character is aligned with screen column "col".
46 pumitem_T *array, 77 pumitem_T *array,
47 int size, 78 int size,
48 int selected) /* index of initially selected item, none if 79 int selected) /* index of initially selected item, none if
49 out of range */ 80 out of range */
50 { 81 {
51 int w;
52 int def_width; 82 int def_width;
53 int max_width; 83 int max_width;
54 int kind_width;
55 int extra_width;
56 int i;
57 int row; 84 int row;
58 int context_lines; 85 int context_lines;
59 int col; 86 int col;
60 int above_row; 87 int above_row;
61 int below_row; 88 int below_row;
65 #endif 92 #endif
66 93
67 do 94 do
68 { 95 {
69 def_width = PUM_DEF_WIDTH; 96 def_width = PUM_DEF_WIDTH;
70 max_width = 0;
71 kind_width = 0;
72 extra_width = 0;
73 above_row = 0; 97 above_row = 0;
74 below_row = cmdline_row; 98 below_row = cmdline_row;
75 99
76 /* Pretend the pum is already there to avoid that must_redraw is set 100 /* Pretend the pum is already there to avoid that must_redraw is set
77 * when 'cuc' is on. */ 101 * when 'cuc' is on. */
105 pum_height = p_ph; 129 pum_height = p_ph;
106 130
107 /* Put the pum below "row" if possible. If there are few lines decide 131 /* Put the pum below "row" if possible. If there are few lines decide
108 * on where there is more room. */ 132 * on where there is more room. */
109 if (row + 2 >= below_row - pum_height 133 if (row + 2 >= below_row - pum_height
110 && row - above_row > (below_row - above_row) / 2) 134 && row - above_row > (below_row - above_row) / 2)
111 { 135 {
112 /* pum above "row" */ 136 /* pum above "row" */
113 137
114 /* Leave two lines of context if possible */ 138 /* Leave two lines of context if possible */
115 if (curwin->w_wrow - curwin->w_cline_row >= 2) 139 if (curwin->w_wrow - curwin->w_cline_row >= 2)
165 pum_row += above_row; 189 pum_row += above_row;
166 pum_height -= above_row; 190 pum_height -= above_row;
167 } 191 }
168 #endif 192 #endif
169 193
170 /* Compute the width of the widest match and the widest extra. */ 194 pum_array = array;
171 for (i = 0; i < size; ++i) 195 pum_size = size;
172 { 196 pum_compute_size();
173 w = vim_strsize(array[i].pum_text); 197 max_width = pum_base_width;
174 if (max_width < w)
175 max_width = w;
176 if (array[i].pum_kind != NULL)
177 {
178 w = vim_strsize(array[i].pum_kind) + 1;
179 if (kind_width < w)
180 kind_width = w;
181 }
182 if (array[i].pum_extra != NULL)
183 {
184 w = vim_strsize(array[i].pum_extra) + 1;
185 if (extra_width < w)
186 extra_width = w;
187 }
188 }
189 pum_base_width = max_width;
190 pum_kind_width = kind_width;
191 198
192 /* Calculate column */ 199 /* Calculate column */
193 #ifdef FEAT_RIGHTLEFT 200 #ifdef FEAT_RIGHTLEFT
194 if (curwin->w_p_rl) 201 if (curwin->w_p_rl)
195 col = curwin->w_wincol + curwin->w_width - curwin->w_wcol - 1; 202 col = curwin->w_wincol + curwin->w_width - curwin->w_wcol - 1;
224 pum_width = pum_col - pum_scrollbar + 1; 231 pum_width = pum_col - pum_scrollbar + 1;
225 else 232 else
226 #endif 233 #endif
227 pum_width = Columns - pum_col - pum_scrollbar; 234 pum_width = Columns - pum_col - pum_scrollbar;
228 235
229 if (pum_width > max_width + kind_width + extra_width + 1 236 if (pum_width > max_width + pum_kind_width + pum_extra_width + 1
230 && pum_width > PUM_DEF_WIDTH) 237 && pum_width > PUM_DEF_WIDTH)
231 { 238 {
232 pum_width = max_width + kind_width + extra_width + 1; 239 pum_width = max_width + pum_kind_width + pum_extra_width + 1;
233 if (pum_width < PUM_DEF_WIDTH) 240 if (pum_width < PUM_DEF_WIDTH)
234 pum_width = PUM_DEF_WIDTH; 241 pum_width = PUM_DEF_WIDTH;
235 } 242 }
236 } 243 }
237 else if (Columns < def_width) 244 else if (Columns < def_width)
255 else 262 else
256 #endif 263 #endif
257 pum_col = Columns - max_width; 264 pum_col = Columns - max_width;
258 pum_width = max_width - pum_scrollbar; 265 pum_width = max_width - pum_scrollbar;
259 } 266 }
260
261 pum_array = array;
262 pum_size = size;
263 267
264 /* Set selected item and redraw. If the window size changed need to 268 /* Set selected item and redraw. If the window size changed need to
265 * redo the positioning. Limit this to two times, when there is not 269 * redo the positioning. Limit this to two times, when there is not
266 * much room the window size will keep changing. */ 270 * much room the window size will keep changing. */
267 } while (pum_set_selected(selected, redo_count) && ++redo_count <= 2); 271 } while (pum_set_selected(selected, redo_count) && ++redo_count <= 2);
754 pum_get_height(void) 758 pum_get_height(void)
755 { 759 {
756 return pum_height; 760 return pum_height;
757 } 761 }
758 762
759 #endif 763 # if defined(FEAT_BEVALTERM) || defined(PROTO)
764 static pumitem_T *balloon_array = NULL;
765 static int balloon_arraysize;
766 static int balloon_mouse_row = 0;
767 static int balloon_mouse_col = 0;
768
769 #define BALLOON_MIN_WIDTH 40
770 #define BALLOON_MIN_HEIGHT 10
771
772 void
773 ui_remove_balloon(void)
774 {
775 if (balloon_array != NULL)
776 {
777 pum_undisplay();
778 while (balloon_arraysize > 0)
779 vim_free(balloon_array[--balloon_arraysize].pum_text);
780 vim_free(balloon_array);
781 balloon_array = NULL;
782 }
783 }
784
785 /*
786 * Terminal version of a balloon, uses the popup menu code.
787 */
788 void
789 ui_post_balloon(char_u *mesg)
790 {
791 ui_remove_balloon();
792
793 /* TODO: split the text in multiple lines. */
794 balloon_arraysize = 3;
795 balloon_array = (pumitem_T *)alloc_clear(
796 (unsigned)sizeof(pumitem_T) * balloon_arraysize);
797 if (balloon_array != NULL)
798 {
799 /* Add an empty line above and below, looks better. */
800 balloon_array[0].pum_text = vim_strsave((char_u *)"");
801 balloon_array[1].pum_text = vim_strsave(mesg);
802 balloon_array[2].pum_text = vim_strsave((char_u *)"");
803
804 pum_array = balloon_array;
805 pum_size = balloon_arraysize;
806 pum_compute_size();
807 pum_scrollbar = 0;
808 pum_height = balloon_arraysize;
809
810 if (Rows - mouse_row > BALLOON_MIN_HEIGHT)
811 {
812 /* Enough space below the mouse row. */
813 pum_row = mouse_row + 1;
814 if (pum_height > Rows - pum_row)
815 pum_height = Rows - pum_row;
816 }
817 else
818 {
819 /* Show above the mouse row, reduce height if it does not fit. */
820 pum_row = mouse_row - 1 - pum_size;
821 if (pum_row < 0)
822 {
823 pum_height += pum_row;
824 pum_row = 0;
825 }
826 }
827 if (Columns - mouse_col >= pum_base_width
828 || Columns - mouse_col > BALLOON_MIN_WIDTH)
829 /* Enough space to show at mouse column. */
830 pum_col = mouse_col;
831 else
832 /* Not enough space, right align with window. */
833 pum_col = Columns - (pum_base_width > BALLOON_MIN_WIDTH
834 ? BALLOON_MIN_WIDTH : pum_base_width);
835
836 pum_width = Columns - pum_col;
837 if (pum_width > pum_base_width + 1)
838 pum_width = pum_base_width + 1;
839
840 pum_selected = -1;
841 pum_first = 0;
842 pum_redraw();
843 }
844 }
845
846 /*
847 * Called when the mouse moved, may remove any displayed balloon.
848 */
849 void
850 ui_may_remove_balloon(void)
851 {
852 if (mouse_row != balloon_mouse_row || mouse_col != balloon_mouse_col)
853 ui_remove_balloon();
854 }
855 # endif
856 #endif