diff options
author | Bram Moolenaar <Bram@vim.org> | 2006-03-24 22:46:53 +0000 |
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committer | Bram Moolenaar <Bram@vim.org> | 2006-03-24 22:46:53 +0000 |
commit | 76b92b2830841fd4e05006cc3cad1d8f0bc8101b (patch) | |
tree | 16537209b06903af71cfe22119a491ba82039da2 /src/popupmenu.c | |
parent | c01140a1a069caf3ced83eac7d4866048c4b723e (diff) |
updated for version 7.0bv7.0b
Diffstat (limited to 'src/popupmenu.c')
-rw-r--r-- | src/popupmenu.c | 565 |
1 files changed, 0 insertions, 565 deletions
diff --git a/src/popupmenu.c b/src/popupmenu.c deleted file mode 100644 index e8ff417320..0000000000 --- a/src/popupmenu.c +++ /dev/null @@ -1,565 +0,0 @@ -/* vi:set ts=8 sts=4 sw=4: - * - * VIM - Vi IMproved by Bram Moolenaar - * - * Do ":help uganda" in Vim to read copying and usage conditions. - * Do ":help credits" in Vim to see a list of people who contributed. - * See README.txt for an overview of the Vim source code. - */ - -/* - * popupmenu.c: Popup menu (PUM) - */ -#include "vim.h" - -#if defined(FEAT_INS_EXPAND) || defined(PROTO) - -static pumitem_T *pum_array = NULL; /* items of displayed pum */ -static int pum_size; /* nr of items in "pum_array" */ -static int pum_selected; /* index of selected item or -1 */ -static int pum_first = 0; /* index of top item */ - -static int pum_height; /* nr of displayed pum items */ -static int pum_width; /* width of displayed pum items */ -static int pum_base_width; /* width of pum items base */ -static int pum_kind_width; /* width of pum items kind column */ -static int pum_scrollbar; /* TRUE when scrollbar present */ - -static int pum_row; /* top row of pum */ -static int pum_col; /* left column of pum */ - -static int pum_do_redraw = FALSE; /* do redraw anyway */ - -static int pum_set_selected __ARGS((int n)); - -#define PUM_DEF_HEIGHT 10 -#define PUM_DEF_WIDTH 15 - -/* - * Show the popup menu with items "array[size]". - * "array" must remain valid until pum_undisplay() is called! - * When possible the leftmost character is aligned with screen column "col". - * The menu appears above the screen line "row" or at "row" + "height" - 1. - */ - void -pum_display(array, size, selected) - pumitem_T *array; - int size; - int selected; /* index of initially selected item, none if - out of range */ -{ - int w; - int def_width; - int max_width; - int kind_width; - int extra_width; - int i; - int top_clear; - int row; - int height; - int col; - int above_row = cmdline_row; - -redo: - def_width = PUM_DEF_WIDTH; - max_width = 0; - kind_width = 0; - extra_width = 0; - - /* Pretend the pum is already there to avoid that must_redraw is set when - * 'cuc' is on. */ - pum_array = (pumitem_T *)1; - validate_cursor_col(); - pum_array = NULL; - - row = curwin->w_cline_row + W_WINROW(curwin); - height = curwin->w_cline_height; - col = curwin->w_wcol + W_WINCOL(curwin) - curwin->w_leftcol; - - if (firstwin->w_p_pvw) - top_clear = firstwin->w_height; - else - top_clear = 0; - - /* When the preview window is at the bottom stop just above it. Also - * avoid drawing over the status line so that it's clear there is a window - * boundary. */ - if (lastwin->w_p_pvw) - above_row -= lastwin->w_height + lastwin->w_status_height + 1; - - /* - * Figure out the size and position of the pum. - */ - if (size < PUM_DEF_HEIGHT) - pum_height = size; - else - pum_height = PUM_DEF_HEIGHT; - if (p_ph > 0 && pum_height > p_ph) - pum_height = p_ph; - - /* Put the pum below "row" if possible. If there are few lines decide on - * where there is more room. */ - if (row >= above_row - pum_height - && row > (above_row - top_clear - height) / 2) - { - /* pum above "row" */ - if (row >= size) - { - pum_row = row - size; - pum_height = size; - } - else - { - pum_row = 0; - pum_height = row; - } - if (p_ph > 0 && pum_height > p_ph) - { - pum_row += pum_height - p_ph; - pum_height = p_ph; - } - } - else - { - /* pum below "row" */ - pum_row = row + height; - if (size > above_row - pum_row) - pum_height = above_row - pum_row; - else - pum_height = size; - if (p_ph > 0 && pum_height > p_ph) - pum_height = p_ph; - } - - /* don't display when we only have room for one line */ - if (pum_height < 1 || (pum_height == 1 && size > 1)) - return; - - /* If there is a preview window at the top avoid drawing over it. */ - if (firstwin->w_p_pvw - && pum_row < firstwin->w_height - && pum_height > firstwin->w_height + 4) - { - pum_row += firstwin->w_height; - pum_height -= firstwin->w_height; - } - - /* Compute the width of the widest match and the widest extra. */ - for (i = 0; i < size; ++i) - { - w = vim_strsize(array[i].pum_text); - if (max_width < w) - max_width = w; - if (array[i].pum_kind != NULL) - { - w = vim_strsize(array[i].pum_kind) + 1; - if (kind_width < w) - kind_width = w; - } - if (array[i].pum_extra != NULL) - { - w = vim_strsize(array[i].pum_extra) + 1; - if (extra_width < w) - extra_width = w; - } - } - pum_base_width = max_width; - pum_kind_width = kind_width; - - /* if there are more items than room we need a scrollbar */ - if (pum_height < size) - { - pum_scrollbar = 1; - ++max_width; - } - else - pum_scrollbar = 0; - - if (def_width < max_width) - def_width = max_width; - - if (col < Columns - PUM_DEF_WIDTH || col < Columns - max_width) - { - /* align pum column with "col" */ - pum_col = col; - pum_width = Columns - pum_col - pum_scrollbar; - if (pum_width > max_width + kind_width + extra_width + 1 - && pum_width > PUM_DEF_WIDTH) - { - pum_width = max_width + kind_width + extra_width + 1; - if (pum_width < PUM_DEF_WIDTH) - pum_width = PUM_DEF_WIDTH; - } - } - else if (Columns < def_width) - { - /* not enough room, will use what we have */ - pum_col = 0; - pum_width = Columns - 1; - } - else - { - if (max_width > PUM_DEF_WIDTH) - max_width = PUM_DEF_WIDTH; /* truncate */ - pum_col = Columns - max_width; - pum_width = max_width - pum_scrollbar; - } - - pum_array = array; - pum_size = size; - - /* Set selected item and redraw. If the window size changed need to redo - * the positioning. */ - if (pum_set_selected(selected)) - goto redo; -} - -/* - * Redraw the popup menu, using "pum_first" and "pum_selected". - */ - void -pum_redraw() -{ - int row = pum_row; - int col; - int attr_norm = highlight_attr[HLF_PNI]; - int attr_select = highlight_attr[HLF_PSI]; - int attr_scroll = highlight_attr[HLF_PSB]; - int attr_thumb = highlight_attr[HLF_PST]; - int attr; - int i; - int idx; - char_u *s; - char_u *p = NULL; - int totwidth, width, w; - int thumb_pos = 0; - int thumb_heigth = 1; - int round; - int n; - - if (pum_scrollbar) - { - thumb_heigth = pum_height * pum_height / pum_size; - if (thumb_heigth == 0) - thumb_heigth = 1; - thumb_pos = (pum_first * (pum_height - thumb_heigth) - + (pum_size - pum_height) / 2) - / (pum_size - pum_height); - } - - for (i = 0; i < pum_height; ++i) - { - idx = i + pum_first; - attr = (idx == pum_selected) ? attr_select : attr_norm; - - /* prepend a space if there is room */ - if (pum_col > 0) - screen_putchar(' ', row, pum_col - 1, attr); - - /* Display each entry, use two spaces for a Tab. - * Do this 3 times: For the main text, kind and extra info */ - col = pum_col; - totwidth = 0; - for (round = 1; round <= 3; ++round) - { - width = 0; - s = NULL; - switch (round) - { - case 1: p = pum_array[idx].pum_text; break; - case 2: p = pum_array[idx].pum_kind; break; - case 3: p = pum_array[idx].pum_extra; break; - } - if (p != NULL) - for ( ; ; mb_ptr_adv(p)) - { - if (s == NULL) - s = p; - w = ptr2cells(p); - if (*p == NUL || *p == TAB || totwidth + w > pum_width) - { - /* Display the text that fits or comes before a Tab. */ - screen_puts_len(s, p - s, row, col, attr); - col += width; - - if (*p != TAB) - break; - - /* Display two spaces for a Tab. */ - screen_puts_len((char_u *)" ", 2, row, col, attr); - col += 2; - totwidth += 2; - s = NULL; /* start text at next char */ - width = 0; - } - else - width += w; - } - - if (round > 1) - n = pum_kind_width + 1; - else - n = 1; - - /* Stop when there is nothing more to display. */ - if (round == 3 - || (round == 2 && pum_array[idx].pum_extra == NULL) - || (round == 1 && pum_array[idx].pum_kind == NULL - && pum_array[idx].pum_extra == NULL) - || pum_base_width + n >= pum_width) - break; - screen_fill(row, row + 1, col, pum_col + pum_base_width + n, - ' ', ' ', attr); - col = pum_col + pum_base_width + n; - totwidth = pum_base_width + n; - } - - screen_fill(row, row + 1, col, pum_col + pum_width, ' ', ' ', attr); - if (pum_scrollbar > 0) - screen_putchar(' ', row, pum_col + pum_width, - i >= thumb_pos && i < thumb_pos + thumb_heigth - ? attr_thumb : attr_scroll); - - ++row; - } -} - -#if 0 /* not used yet */ -/* - * Return the index of the currently selected item. - */ - int -pum_get_selected() -{ - return pum_selected; -} -#endif - -/* - * Set the index of the currently selected item. The menu will scroll when - * necessary. When "n" is out of range don't scroll. - * Returns TRUE when the window was resized and the location of the popup menu - * must be recomputed. - */ - static int -pum_set_selected(n) - int n; -{ - int resized = FALSE; - int context = pum_height / 2; - - pum_selected = n; - - if (pum_selected >= 0 && pum_selected < pum_size) - { - if (pum_first > pum_selected - 4) - { - /* scroll down; when we did a jump it's probably a PageUp then - * scroll a whole page */ - if (pum_first > pum_selected - 2) - { - pum_first -= pum_height - 2; - if (pum_first < 0) - pum_first = 0; - else if (pum_first > pum_selected) - pum_first = pum_selected; - } - else - pum_first = pum_selected; - } - else if (pum_first < pum_selected - pum_height + 5) - { - /* scroll up; when we did a jump it's probably a PageDown then - * scroll a whole page */ - if (pum_first < pum_selected - pum_height + 1 + 2) - { - pum_first += pum_height - 2; - if (pum_first < pum_selected - pum_height + 1) - pum_first = pum_selected - pum_height + 1; - } - else - pum_first = pum_selected - pum_height + 1; - } - - /* Give a few lines of context when possible. */ - if (context > 3) - context = 3; - if (pum_height > 2) - { - if (pum_first > pum_selected - context) - { - /* scroll down */ - pum_first = pum_selected - context; - if (pum_first < 0) - pum_first = 0; - } - else if (pum_first < pum_selected + context - pum_height + 1) - { - /* scroll up */ - pum_first = pum_selected + context - pum_height + 1; - } - } - -#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) - /* Show extra info in the preview window if there is something and - * 'completeopt' contains "preview". */ - if (pum_array[pum_selected].pum_info != NULL - && vim_strchr(p_cot, 'p') != NULL) - { - win_T *curwin_save = curwin; - int res = OK; - - /* Open a preview window. 3 lines by default. */ - g_do_tagpreview = 3; - resized = prepare_tagpreview(); - g_do_tagpreview = 0; - - if (curwin->w_p_pvw) - { - if (curbuf->b_fname == NULL - && curbuf->b_p_bt[0] == 'n' && curbuf->b_p_bt[2] == 'f' - && curbuf->b_p_bh[0] == 'w') - { - /* Already a "wipeout" buffer, make it empty. */ - while (!bufempty()) - ml_delete((linenr_T)1, FALSE); - } - else if ((res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0)) - == OK) - { - /* Edit a new, empty buffer. Set options for a "wipeout" - * buffer. */ - set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL); - set_option_value((char_u *)"bt", 0L, (char_u *)"nofile", - OPT_LOCAL); - set_option_value((char_u *)"bh", 0L, (char_u *)"wipe", - OPT_LOCAL); - set_option_value((char_u *)"diff", 0L, (char_u *)"", - OPT_LOCAL); - } - if (res == OK) - { - char_u *p, *e; - linenr_T lnum = 0; - - for (p = pum_array[pum_selected].pum_info; *p != NUL; ) - { - e = vim_strchr(p, '\n'); - if (e == NULL) - { - ml_append(lnum++, p, 0, FALSE); - break; - } - else - { - *e = NUL; - ml_append(lnum++, p, e - p + 1, FALSE); - *e = '\n'; - p = e + 1; - } - } - - /* Increase the height of the preview window to show the - * text, but no more than 'previewheight' lines. */ - if (lnum > p_pvh) - lnum = p_pvh; - if (curwin->w_height < lnum) - { - win_setheight((int)lnum); - resized = TRUE; - } - - curbuf->b_changed = 0; - curbuf->b_p_ma = FALSE; - curwin->w_cursor.lnum = 0; - curwin->w_cursor.col = 0; - - if (curwin != curwin_save && win_valid(curwin_save)) - { - /* Return cursor to where we were */ - validate_cursor(); - redraw_later(SOME_VALID); - - /* When the preview window was resized we need to - * update the view on the buffer. Only go back to - * the window when needed, otherwise it will always be - * redraw. */ - if (resized) - { - win_enter(curwin_save, TRUE); - update_topline(); - } - - /* Update the screen before drawing the popup menu. - * Enable updating the status lines. */ - pum_do_redraw = TRUE; - update_screen(0); - pum_do_redraw = FALSE; - - if (win_valid(curwin_save)) - win_enter(curwin_save, TRUE); - - /* May need to update the screen again when there are - * autocommands involved. */ - pum_do_redraw = TRUE; - update_screen(0); - pum_do_redraw = FALSE; - } - } - } - } -#endif - } - - /* Never display more than we have */ - if (pum_first > pum_size - pum_height) - pum_first = pum_size - pum_height; - - if (!resized) - pum_redraw(); - - return resized; -} - -/* - * Undisplay the popup menu (later). - */ - void -pum_undisplay() -{ - pum_array = NULL; - redraw_all_later(SOME_VALID); - status_redraw_all(); -} - -/* - * Clear the popup menu. Currently only resets the offset to the first - * displayed item. - */ - void -pum_clear() -{ - pum_first = 0; -} - -/* - * Return TRUE if the popup menu is displayed. - * Overruled when "pum_do_redraw" is set, used to redraw the status lines. - */ - int -pum_visible() -{ - return !pum_do_redraw && pum_array != NULL; -} - -/* - * Return the height of the popup menu, the number of entries visible. - * Only valid when pum_visible() returns TRUE! - */ - int -pum_get_height() -{ - return pum_height; -} - -#endif |