Mercurial > vim
changeset 16896:52fc577a087d v8.1.1449
patch 8.1.1449: popup text truncated at end of screen
commit https://github.com/vim/vim/commit/042fb4b449bb5d8494698803e766dfd288b458cf
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jun 2 14:49:56 2019 +0200
patch 8.1.1449: popup text truncated at end of screen
Problem: Popup text truncated at end of screen.
Solution: Move popup left if needed. Add the "fixed" property to disable
that. (Ben Jackson , closes #4466)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sun, 02 Jun 2019 15:00:06 +0200 |
parents | 44f703825130 |
children | 84c04459c23d |
files | runtime/doc/popup.txt src/popupwin.c src/structs.h src/testdir/test_popupwin.vim src/version.c |
diffstat | 5 files changed, 306 insertions(+), 71 deletions(-) [+] |
line wrap: on
line diff
--- a/runtime/doc/popup.txt +++ b/runtime/doc/popup.txt @@ -65,8 +65,10 @@ The width of the window is normally equa It can be limited with the "maxwidth" property. You can use spaces to increase the width or the "minwidth" property. -By default the 'wrap' option is set, so that no text disappears. However, if -there is not enough space, some text may be invisible. +By default the 'wrap' option is set, so that no text disappears. Otherwise, +if there is not enough space then the window is shifted left in order to +display more text. This can be disabled with the "fixed" property. Also +disabled when right-aligned. Vim tries to show the popup in the location you specify. In some cases, e.g. when the popup would go outside of the Vim window, it will show it somewhere @@ -78,8 +80,6 @@ window it will be placed below the curso TODO: -Example how to use syntax highlighting of a code snippet. - Scrolling: When the screen scrolls up for output of an Ex command, what happens with popups? 1. Stay where they are. Problem: listed text may go behind and can't be read. @@ -93,12 +93,12 @@ IMPLEMENTATION: - Fix positioning with border and padding. - Why does 'nrformats' leak from the popup window buffer??? - Make redrawing more efficient and avoid flicker. - Store popup info in a mask, use the mask in screen_line() - Keep mask until next update_screen(), find differences and redraw affected - windows/lines + First draw popups, creating a mask, use the mask in screen_line() when + drawing other windows and stuff. Mask contains zindex of popups. + Keep mask until next update_screen(), use when drawing status lines. + Remove update_popup() calls after draw_tabline()/updating statusline Fix redrawing problem with completion. Fix redrawing problem when scrolling non-current window - Fix redrawing the statusline on top of a popup - Disable commands, feedkeys(), CTRL-W, etc. in a popup window. Use NOT_IN_POPUP_WINDOW for more commands. - Invoke filter with character before mapping? @@ -327,81 +327,100 @@ optionally text properties. It is in on |popup-props|. The second argument of |popup_create()| is a dictionary with options: - line screen line where to position the popup; can use a + line Screen line where to position the popup. Can use a number or "cursor", "cursor+1" or "cursor-1" to use the line of the cursor and add or subtract a number of - lines; if omitted the popup is vertically centered, - otherwise "pos" is used. - col screen column where to position the popup; can use a + lines. If omitted the popup is vertically centered. + The first line is 1. + col Screen column where to position the popup. Can use a number or "cursor" to use the column of the cursor, - "cursor+99" and "cursor-99" to add or subtract a - number of columns; if omitted the popup is - horizontally centered, otherwise "pos" is used + "cursor+9" or "cursor-9" to add or subtract a number + of columns. If omitted the popup is horizontally + centered. The first column is 1. pos "topleft", "topright", "botleft" or "botright": defines what corner of the popup "line" and "col" are used for. When not set "topleft" is used. Alternatively "center" can be used to position the popup in the center of the Vim window, in which case "line" and "col" are ignored. - flip when TRUE (the default) and the position is relative + fixed When FALSE (the default), and: + - "pos" is "botleft" or "topleft", and + - "wrap" is off, and + - the popup would be truncated at the right edge of + the screen, then + the popup is moved to the left so as to fit the + contents on the screen. Set to TRUE to disable this. + flip When TRUE (the default) and the position is relative to the cursor, flip to below or above the cursor to avoid overlap with the |popupmenu-completion| or - another popup with a higher "zindex" + another popup with a higher "zindex". {not implemented yet} - maxheight maximum height - minheight minimum height - maxwidth maximum width - minwidth minimum width - hidden when TRUE the popup exists but is not displayed; use + maxheight Maximum height of the contents, excluding border and + padding. + minheight Minimum height of the contents, excluding border and + padding. + maxwidth Maximum width of the contents, excluding border and + padding. + minwidth Minimum width of the contents, excluding border and + padding. + hidden When TRUE the popup exists but is not displayed; use `popup_show()` to unhide it. {not implemented yet} - tab when -1: display the popup on all tabs; when 0 (the - default): display the popup on the current tab; - otherwise the number of the tab page the popup is - displayed on; when invalid the current tab is used + tab When -1: display the popup on all tabs. + When 0 (the default): display the popup on the current + tab. + Otherwise the number of the tab page the popup is + displayed on; when invalid the current tab is used. {only -1 and 0 are implemented} - title text to be displayed above the first item in the - popup, on top of any border + title Text to be displayed above the first item in the + popup, on top of any border. If there is no top + border on line of padding is added to put the title on. {not implemented yet} - wrap TRUE to make the lines wrap (default TRUE) - highlight highlight group name to use for the text, stored in - the 'wincolor' option - padding list with numbers, defining the padding - above/right/below/left of the popup (similar to CSS); - an empty list uses a padding of 1 all around; the - padding goes around the text, inside any border; - padding uses the 'wincolor' highlight; Example: [1, 2, - 1, 3] has 1 line of padding above, 2 columns on the - right, 1 line below and 3 columns on the left - border list with numbers, defining the border thickness - above/right/below/left of the popup (similar to CSS); - only values of zero and non-zero are recognized; - an empty list uses a border all around - borderhighlight list of highlight group names to use for the border; - when one entry it is used for all borders, otherwise - the highlight for the top/right/bottom/left border - borderchars list with characters, defining the character to use - for the top/right/bottom/left border; optionally + wrap TRUE to make the lines wrap (default TRUE). + highlight Highlight group name to use for the text, stored in + the 'wincolor' option. + padding List with numbers, defining the padding + above/right/below/left of the popup (similar to CSS). + An empty list uses a padding of 1 all around. The + padding goes around the text, inside any border. + Padding uses the 'wincolor' highlight. + Example: [1, 2, 1, 3] has 1 line of padding above, 2 + columns on the right, 1 line below and 3 columns on + the left. + border List with numbers, defining the border thickness + above/right/below/left of the popup (similar to CSS). + Only values of zero and non-zero are recognized. + An empty list uses a border all around. + borderhighlight List of highlight group names to use for the border. + When one entry it is used for all borders, otherwise + the highlight for the top/right/bottom/left border. + Example: ['TopColor', 'RightColor', 'BottomColor, + 'LeftColor'] + borderchars List with characters, defining the character to use + for the top/right/bottom/left border. Optionally followed by the character to use for the - topleft/topright/botright/botleft corner; when the - list has one character it is used for all; when - the list has two characters the first is used for the - border lines, the second for the corners; by default - a double line is used all around when 'encoding' is - "utf-8", otherwise ASCII characters are used. - zindex priority for the popup, default 50 - time time in milliseconds after which the popup will close; - when omitted |popup_close()| must be used. + topleft/topright/botright/botleft corner. + Example: ['-', '|', '-', '|', '┌', '┐', '┘', '└'] + When the list has one character it is used for all. + When the list has two characters the first is used for + the border lines, the second for the corners. + By default a double line is used all around when + 'encoding' is "utf-8", otherwise ASCII characters are + used. + zindex Priority for the popup, default 50. + time Time in milliseconds after which the popup will close. + When omitted |popup_close()| must be used. moved "cell": close the popup if the cursor moved at least - one screen cell; "word" allows for moving within - |<cword>|, "WORD" allows for moving within |<cWORD>|, + one screen cell. + "word" allows for moving the cursor within |<cword>| + "WORD" allows for moving the cursor within |<cWORD>| a list with two numbers specifies the start and end - column + column outside of which the popup will close {not implemented yet} - filter a callback that can filter typed characters, see - |popup-filter| - callback a callback to be used when the popup closes, e.g. when - using |popup_filter_menu()|, see |popup-callback|. + filter A callback that can filter typed characters, see + |popup-filter|. + callback A callback that is called when the popup closes, e.g. + when using |popup_filter_menu()|, see |popup-callback|. Depending on the "zindex" the popup goes under or above other popups. The completion menu (|popup-menu|) has zindex 100. For messages that occur for a
--- a/src/popupwin.c +++ b/src/popupwin.c @@ -84,6 +84,8 @@ get_pos_options(win_T *wp, dict_T *dict) if (nr > 0) wp->w_wantcol = nr; + wp->w_popup_fixed = dict_get_number(dict, (char_u *)"fixed") != 0; + str = dict_get_string(dict, (char_u *)"pos", FALSE); if (str != NULL) { @@ -379,6 +381,7 @@ popup_adjust_position(win_T *wp) int maxwidth; int center_vert = FALSE; int center_hor = FALSE; + int allow_adjust_left = !wp->w_popup_fixed; wp->w_winrow = 0; wp->w_wincol = 0; @@ -412,10 +415,14 @@ popup_adjust_position(win_T *wp) } // When centering or right aligned, use maximum width. - // When left aligned use the space available. + // When left aligned use the space available, but shift to the left when we + // hit the right of the screen. maxwidth = Columns - wp->w_wincol; if (wp->w_maxwidth > 0 && maxwidth > wp->w_maxwidth) + { + allow_adjust_left = FALSE; maxwidth = wp->w_maxwidth; + } // Compute width based on longest text line and the 'wrap' option. // TODO: more accurate wrapping @@ -424,10 +431,32 @@ popup_adjust_position(win_T *wp) { int len = vim_strsize(ml_get_buf(wp->w_buffer, lnum, FALSE)); - while (wp->w_p_wrap && len > maxwidth) + if (wp->w_p_wrap) { - ++wrapped; - len -= maxwidth; + while (len > maxwidth) + { + ++wrapped; + len -= maxwidth; + wp->w_width = maxwidth; + } + } + else if (len > maxwidth + && allow_adjust_left + && (wp->w_popup_pos == POPPOS_TOPLEFT + || wp->w_popup_pos == POPPOS_BOTLEFT)) + { + // adjust leftwise to fit text on screen + int shift_by = ( len - maxwidth ); + + if ( shift_by > wp->w_wincol ) + { + int truncate_shift = shift_by - wp->w_wincol; + len -= truncate_shift; + shift_by -= truncate_shift; + } + + wp->w_wincol -= shift_by; + maxwidth += shift_by; wp->w_width = maxwidth; } if (wp->w_width < len) @@ -895,6 +924,7 @@ f_popup_getoptions(typval_T *argvars, ty dict_add_number(dict, "maxheight", wp->w_maxheight); dict_add_number(dict, "maxwidth", wp->w_maxwidth); dict_add_number(dict, "zindex", wp->w_zindex); + dict_add_number(dict, "fixed", wp->w_popup_fixed); for (i = 0; i < (int)(sizeof(poppos_entries) / sizeof(poppos_entry_T)); ++i)
--- a/src/structs.h +++ b/src/structs.h @@ -2308,7 +2308,7 @@ struct file_buffer int b_p_fixeol; /* 'fixendofline' */ int b_p_et; /* 'expandtab' */ int b_p_et_nobin; /* b_p_et saved for binary mode */ - int b_p_et_nopaste; /* b_p_et saved for paste mode */ + int b_p_et_nopaste; /* b_p_et saved for paste mode */ char_u *b_p_fenc; /* 'fileencoding' */ char_u *b_p_ff; /* 'fileformat' */ char_u *b_p_ft; /* 'filetype' */ @@ -2881,6 +2881,7 @@ struct window_S #ifdef FEAT_TEXT_PROP int w_popup_flags; // POPF_ values poppos_T w_popup_pos; + int w_popup_fixed; // do not shift popup to fit on screen int w_zindex; int w_minheight; // "minheight" for popup window int w_minwidth; // "minwidth" for popup window @@ -3038,8 +3039,8 @@ struct window_S int w_p_brishift; /* additional shift for breakindent */ int w_p_brisbr; /* sbr in 'briopt' */ #endif - long w_p_siso; /* 'sidescrolloff' local value */ - long w_p_so; /* 'scrolloff' local value */ + long w_p_siso; /* 'sidescrolloff' local value */ + long w_p_so; /* 'scrolloff' local value */ /* transform a pointer to a "onebuf" option into a "allbuf" option */ #define GLOBAL_WO(p) ((char *)p + sizeof(winopt_T)) @@ -3471,7 +3472,7 @@ struct js_reader int js_used; /* bytes used from js_buf */ int (*js_fill)(struct js_reader *); /* function to fill the buffer or NULL; - * return TRUE when the buffer was filled */ + * return TRUE when the buffer was filled */ void *js_cookie; /* can be used by js_fill */ int js_cookie_arg; /* can be used by js_fill */ };
--- a/src/testdir/test_popupwin.vim +++ b/src/testdir/test_popupwin.vim @@ -422,6 +422,7 @@ func Test_popup_getoptions() \ 'maxheight': 21, \ 'zindex': 100, \ 'time': 5000, + \ 'fixed': 1 \}) redraw let res = popup_getoptions(winid) @@ -432,6 +433,7 @@ func Test_popup_getoptions() call assert_equal(20, res.maxwidth) call assert_equal(21, res.maxheight) call assert_equal(100, res.zindex) + call assert_equal(1, res.fixed) if has('timers') call assert_equal(5000, res.time) endif @@ -447,6 +449,7 @@ func Test_popup_getoptions() call assert_equal(0, res.maxwidth) call assert_equal(0, res.maxheight) call assert_equal(50, res.zindex) + call assert_equal(0, res.fixed) if has('timers') call assert_equal(0, res.time) endif @@ -647,3 +650,183 @@ func Test_popup_never_behind() call StopVimInTerminal(buf) call delete('XtestPopupBehind') endfunc + +func s:VerifyPosition( p, msg, line, col, width, height ) + call assert_equal( a:line, popup_getpos( a:p ).line, a:msg . ' (l)' ) + call assert_equal( a:col, popup_getpos( a:p ).col, a:msg . ' (c)' ) + call assert_equal( a:width, popup_getpos( a:p ).width, a:msg . ' (w)' ) + call assert_equal( a:height, popup_getpos( a:p ).height, a:msg . ' (h)' ) +endfunc + +func Test_popup_position_adjust() + " Anything placed past 2 cells from of the right of the screen is moved to the + " left. + " + " When wrapping is disabled, we also shift to the left to display on the + " screen, unless fixed is set. + + " Entries for cases which don't vary based on wrapping. + " Format is per tests described below + let both_wrap_tests = [ + \ [ 'a', 5, &columns, 5, &columns - 2, 1, 1 ], + \ [ 'b', 5, &columns + 1, 5, &columns - 2, 1, 1 ], + \ [ 'c', 5, &columns - 1, 5, &columns - 2, 1, 1 ], + \ [ 'd', 5, &columns - 2, 5, &columns - 2, 1, 1 ], + \ [ 'e', 5, &columns - 3, 5, &columns - 3, 1, 1 ], + \ + \ [ 'aa', 5, &columns, 5, &columns - 2, 2, 1 ], + \ [ 'bb', 5, &columns + 1, 5, &columns - 2, 2, 1 ], + \ [ 'cc', 5, &columns - 1, 5, &columns - 2, 2, 1 ], + \ [ 'dd', 5, &columns - 2, 5, &columns - 2, 2, 1 ], + \ [ 'ee', 5, &columns - 3, 5, &columns - 3, 2, 1 ], + \ + \ [ 'aaa', 5, &columns, 5, &columns - 2, 3, 1 ], + \ [ 'bbb', 5, &columns + 1, 5, &columns - 2, 3, 1 ], + \ [ 'ccc', 5, &columns - 1, 5, &columns - 2, 3, 1 ], + \ [ 'ddd', 5, &columns - 2, 5, &columns - 2, 3, 1 ], + \ [ 'eee', 5, &columns - 3, 5, &columns - 3, 3, 1 ], + \ ] + + " these test groups are dicts with: + " - comment: something to identify the group of tests by + " - options: dict of options to merge with the row/col in tests + " - tests: list of cases. Each one is a list with elements: + " - text + " - row + " - col + " - expected row + " - expected col + " - expected width + " - expected height + let tests = [ + \ { + \ 'comment': 'left-aligned with wrapping', + \ 'options': { + \ 'wrap': 1, + \ 'pos': 'botleft', + \ }, + \ 'tests': both_wrap_tests + [ + \ [ 'aaaa', 5, &columns, 4, &columns - 2, 3, 2 ], + \ [ 'bbbb', 5, &columns + 1, 4, &columns - 2, 3, 2 ], + \ [ 'cccc', 5, &columns - 1, 4, &columns - 2, 3, 2 ], + \ [ 'dddd', 5, &columns - 2, 4, &columns - 2, 3, 2 ], + \ [ 'eeee', 5, &columns - 3, 5, &columns - 3, 4, 1 ], + \ ], + \ }, + \ { + \ 'comment': 'left aligned without wrapping', + \ 'options': { + \ 'wrap': 0, + \ 'pos': 'botleft', + \ }, + \ 'tests': both_wrap_tests + [ + \ [ 'aaaa', 5, &columns, 5, &columns - 3, 4, 1 ], + \ [ 'bbbb', 5, &columns + 1, 5, &columns - 3, 4, 1 ], + \ [ 'cccc', 5, &columns - 1, 5, &columns - 3, 4, 1 ], + \ [ 'dddd', 5, &columns - 2, 5, &columns - 3, 4, 1 ], + \ [ 'eeee', 5, &columns - 3, 5, &columns - 3, 4, 1 ], + \ ], + \ }, + \ { + \ 'comment': 'left aligned with fixed position', + \ 'options': { + \ 'wrap': 0, + \ 'fixed': 1, + \ 'pos': 'botleft', + \ }, + \ 'tests': both_wrap_tests + [ + \ [ 'aaaa', 5, &columns, 5, &columns - 2, 3, 1 ], + \ [ 'bbbb', 5, &columns + 1, 5, &columns - 2, 3, 1 ], + \ [ 'cccc', 5, &columns - 1, 5, &columns - 2, 3, 1 ], + \ [ 'dddd', 5, &columns - 2, 5, &columns - 2, 3, 1 ], + \ [ 'eeee', 5, &columns - 3, 5, &columns - 3, 4, 1 ], + \ ], + \ }, + \ ] + + for test_group in tests + for test in test_group.tests + let [ text, line, col, e_line, e_col, e_width, e_height ] = test + let options = { + \ 'line': line, + \ 'col': col, + \ } + call extend( options, test_group.options ) + + let p = popup_create( text, options ) + + let msg = string( extend( options, { 'text': text } ) ) + call s:VerifyPosition( p, msg, e_line, e_col, e_width, e_height ) + call popup_close( p ) + endfor + endfor + + popupclear + %bwipe! +endfunc + +function Test_adjust_left_past_screen_width() + " width of screen + let X = join(map(range(&columns), {->'X'}), '') + + let p = popup_create( X, { 'line': 1, 'col': 1, 'wrap': 0 } ) + call s:VerifyPosition( p, 'full width topleft', 1, 1, &columns, 1 ) + + redraw + let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '') + call assert_equal(X, line) + + call popup_close( p ) + redraw + + " Same if placed on the right hand side + let p = popup_create( X, { 'line': 1, 'col': &columns, 'wrap': 0 } ) + call s:VerifyPosition( p, 'full width topright', 1, 1, &columns, 1 ) + + redraw + let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '') + call assert_equal(X, line) + + call popup_close( p ) + redraw + + " Extend so > window width + let X .= 'x' + + let p = popup_create( X, { 'line': 1, 'col': 1, 'wrap': 0 } ) + call s:VerifyPosition( p, 'full width + 1 topleft', 1, 1, &columns, 1 ) + + redraw + let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '') + call assert_equal(X[ : -2 ], line) + + call popup_close( p ) + redraw + + " Shifted then truncated (the x is not visible) + let p = popup_create( X, { 'line': 1, 'col': &columns - 3, 'wrap': 0 } ) + call s:VerifyPosition( p, 'full width + 1 topright', 1, 1, &columns, 1 ) + + redraw + let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '') + call assert_equal(X[ : -2 ], line) + + call popup_close( p ) + redraw + + " Not shifted, just truncated + let p = popup_create( X, + \ { 'line': 1, 'col': 2, 'wrap': 0, 'fixed': 1 } ) + call s:VerifyPosition( p, 'full width + 1 fixed', 1, 2, &columns - 1, 1) + + redraw + let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '') + let e_line = ' ' . X[ 1 : -2 ] + call assert_equal(e_line, line) + + call popup_close( p ) + redraw + + popupclear + %bwipe! +endfunction