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+" ZoomWin: Brief-like ability to zoom into/out-of a window
+" Author: Charles Campbell
+" original version by Ron Aaron
+" Date: Jan 26, 2009
+" Version: 23
+" History: see :help zoomwin-history {{{1
+" GetLatestVimScripts: 508 1 :AutoInstall: ZoomWin.vim
+
+" ---------------------------------------------------------------------
+" Load Once: {{{1
+if &cp || exists("g:loaded_ZoomWin")
+ finish
+endif
+if v:version < 702
+ echohl WarningMsg
+ echo "***warning*** this version of ZoomWin needs vim 7.2"
+ echohl Normal
+ finish
+endif
+let s:keepcpo = &cpo
+let g:loaded_ZoomWin = "v23"
+set cpo&vim
+"DechoTabOn
+
+" =====================================================================
+" Functions: {{{1
+
+" ---------------------------------------------------------------------
+" ZoomWin#ZoomWin: toggles between a single-window and a multi-window layout {{{2
+" The original version was by Ron Aaron.
+fun! ZoomWin#ZoomWin()
+" let g:decho_hide= 1 "Decho
+" call Dfunc("ZoomWin#ZoomWin() winbufnr(2)=".winbufnr(2))
+
+ " if the vim doesn't have +mksession, only a partial zoom is available {{{3
+ if !has("mksession")
+ if !exists("s:partialzoom")
+ echomsg "missing the +mksession feature; only a partial zoom is available"
+ let s:partialzoom= 0
+ endif
+ if v:version < 630
+ echoerr "***sorry*** you need an updated vim, preferably with +mksession"
+ elseif s:partialzoom
+ " partial zoom out
+ let s:partialzoom= 0
+ exe s:winrestore
+ else
+ " partial zoom in
+ let s:partialzoom= 1
+ let s:winrestore = winrestcmd()
+ res
+ endif
+" call Dret("ZoomWin#ZoomWin : partialzoom=".s:partialzoom)
+ return
+ endif
+
+ " Close certain windows {{{3
+ call s:ZoomWinPreserve(0)
+
+ " save options. Force window minimum height/width to be >= 1 {{{3
+ let keep_hidden = &hidden
+ let keep_write = &write
+
+ if v:version < 603
+ if &wmh == 0 || &wmw == 0
+ let keep_wmh = &wmh
+ let keep_wmw = &wmw
+ silent! set wmh=1 wmw=1
+ endif
+ endif
+ set hidden write
+
+ if winbufnr(2) == -1
+ " there's only one window - restore to multiple-windows mode {{{3
+" call Decho("there's only one window - restore to multiple windows")
+
+ if exists("s:sessionfile") && filereadable(s:sessionfile)
+ " save position in current one-window-only
+" call Decho("save position in current one-window-only in sponly")
+ let sponly = s:SavePosn(0)
+ let s:origline = line(".")
+ let s:origcol = virtcol(".")
+
+ " source session file to restore window layout
+ let ei_keep= &ei
+ set ei=all
+ exe 'silent! so '.fnameescape(s:sessionfile)
+" Decho("@@<".@@.">")
+ let v:this_session= s:sesskeep
+
+ if exists("s:savedposn1")
+ " restore windows' positioning and buffers
+" call Decho("restore windows, positions, buffers")
+ windo call s:RestorePosn(s:savedposn{winnr()})|unlet s:savedposn{winnr()}
+ call s:GotoWinNum(s:winkeep)
+ unlet s:winkeep
+ endif
+
+ if line(".") != s:origline || virtcol(".") != s:origcol
+ " If the cursor hasn't moved from the original position,
+ " then let the position remain what it was in the original
+ " multi-window layout.
+" call Decho("restore position using sponly")
+ call s:RestorePosn(sponly)
+ endif
+
+ " delete session file and variable holding its name
+" call Decho("delete session file")
+ call delete(s:sessionfile)
+ unlet s:sessionfile
+ let &ei=ei_keep
+ endif
+
+ else " there's more than one window - go to only-one-window mode {{{3
+" call Decho("there's multiple windows - goto one-window-only")
+
+ let s:winkeep = winnr()
+ let s:sesskeep = v:this_session
+
+ " doesn't work with the command line window (normal mode q:)
+ if &bt == "nofile" && expand("%") == (v:version < 702 ? 'command-line' : '[Command Line]')
+ echoerr "***error*** ZoomWin#ZoomWin doesn't work with the ".expand("%")." window"
+" call Dret("ZoomWin#ZoomWin : ".expand('%')." window error")
+ return
+ endif
+" call Decho("1: @@<".@@.">")
+
+ " disable all events (autocmds)
+" call Decho("disable events")
+ let ei_keep= &ei
+ set ei=all
+" call Decho("2: @@<".@@.">")
+
+ " save window positioning commands
+" call Decho("save window positioning commands")
+ windo let s:savedposn{winnr()}= s:SavePosn(1)
+ call s:GotoWinNum(s:winkeep)
+
+ " set up name of session file
+" call Decho("3: @@<".@@.">")
+ let s:sessionfile= tempname()
+" call Decho("4: @@<".@@.">")
+
+ " save session
+" call Decho("save session")
+ let ssop_keep = &ssop
+ let &ssop = 'blank,help,winsize,folds,globals,localoptions,options'
+" call Decho("5: @@<".@@.">")
+ exe 'mksession! '.fnameescape(s:sessionfile)
+" call Decho("6: @@<".@@.">")
+ let keepyy= @@
+ let keepy0= @0
+ let keepy1= @1
+ let keepy2= @2
+ let keepy3= @3
+ let keepy4= @4
+ let keepy5= @5
+ let keepy6= @6
+ let keepy7= @7
+ let keepy8= @8
+ let keepy9= @9
+ set lz ei=all bh=
+ if v:version >= 700
+ try
+ exe "keepalt keepmarks new! ".fnameescape(s:sessionfile)
+ catch /^Vim\%((\a\+)\)\=:E/
+ echoerr "Too many windows"
+ silent! call delete(s:sessionfile)
+ unlet s:sessionfile
+" call Dret("ZoomWin#ZoomWin : too many windows")
+ return
+ endtry
+ silent! keepjumps keepmarks v/wincmd\|split\|resize/d
+ keepalt w!
+ keepalt bw!
+ else
+ exe "new! ".fnameescape(s:sessionfile)
+ v/wincmd\|split\|resize/d
+ w!
+ bw!
+ endif
+ let @@= keepyy
+ let @0= keepy0
+ let @1= keepy1
+ let @2= keepy2
+ let @3= keepy3
+ let @4= keepy4
+ let @5= keepy5
+ let @6= keepy6
+ let @7= keepy7
+ let @8= keepy8
+ let @9= keepy9
+ call histdel('search', -1)
+ let @/ = histget('search', -1)
+" call Decho("7: @@<".@@.">")
+
+ " restore user's session options and restore event handling
+" call Decho("restore user session options and event handling")
+ set nolz
+ let &ssop = ssop_keep
+ silent! only!
+" call Decho("8: @@<".@@.">")
+ let &ei = ei_keep
+ echomsg expand("%")
+" call Decho("9: @@<".@@.">")
+ endif
+
+ " restore user option settings {{{3
+" call Decho("restore user option settings")
+ let &hidden= keep_hidden
+ let &write = keep_write
+ if v:version < 603
+ if exists("keep_wmw")
+ let &wmh= keep_wmh
+ let &wmw= keep_wmw
+ endif
+ endif
+
+ " Re-open certain windows {{{3
+ call s:ZoomWinPreserve(1)
+
+" call Dret("ZoomWin#ZoomWin")
+endfun
+
+" ---------------------------------------------------------------------
+" SavePosn: this function sets up a savedposn variable that {{{2
+" has the commands necessary to restore the view
+" of the current window.
+fun! s:SavePosn(savewinhoriz)
+" call Dfunc("SavePosn(savewinhoriz=".a:savewinhoriz.") file<".expand("%").">")
+ let swline = line(".")
+ if swline == 1 && getline(1) == ""
+ " empty buffer
+ let savedposn= "silent b ".winbufnr(0)
+" call Dret("SavePosn savedposn<".savedposn.">")
+ return savedposn
+ endif
+ let swcol = col(".")
+ let swwline = winline()-1
+ let swwcol = virtcol(".") - wincol()
+ let savedposn = "silent b ".winbufnr(0)."|".swline."|silent norm! z\<cr>"
+ if swwline > 0
+ let savedposn= savedposn.":silent norm! ".swwline."\<c-y>\<cr>:silent norm! zs\<cr>"
+ endif
+ let savedposn= savedposn.":silent call cursor(".swline.",".swcol.")\<cr>"
+
+ if a:savewinhoriz
+ if swwcol > 0
+ let savedposn= savedposn.":silent norm! ".swwcol."zl\<cr>"
+ endif
+
+ " handle certain special settings for the multi-window savedposn call
+ " bufhidden buftype buflisted
+ let settings= ""
+ if &bh != ""
+ let settings="bh=".&bh
+ setlocal bh=hide
+ endif
+ if !&bl
+ let settings= settings." nobl"
+ setlocal bl
+ endif
+ if &bt != ""
+ let settings= settings." bt=".&bt
+ setlocal bt=
+ endif
+ if settings != ""
+ let savedposn= savedposn.":setlocal ".settings."\<cr>"
+ endif
+
+ endif
+" call Dret("SavePosn savedposn<".savedposn.">")
+ return savedposn
+endfun
+
+" ---------------------------------------------------------------------
+" s:RestorePosn: this function restores noname and scratch windows {{{2
+fun! s:RestorePosn(savedposn)
+" call Dfunc("RestorePosn(savedposn<".a:savedposn.">) file<".expand("%").">")
+ if &scb
+ setlocal noscb
+ exe a:savedposn
+ setlocal scb
+ else
+ exe a:savedposn
+ endif
+" call Dret("RestorePosn")
+endfun
+
+" ---------------------------------------------------------------------
+" CleanupSessionFile: if you exit Vim before cleaning up the {{{2
+" supposed-to-be temporary session file
+fun! ZoomWin#CleanupSessionFile()
+" call Dfunc("ZoomWin#CleanupSessionFile()")
+ if exists("s:sessionfile") && filereadable(s:sessionfile)
+" call Decho("sessionfile exists and is readable; deleting it")
+ silent! call delete(s:sessionfile)
+ unlet s:sessionfile
+ endif
+" call Dret("ZoomWin#CleanupSessionFile")
+endfun
+
+" ---------------------------------------------------------------------
+" GotoWinNum: this function puts cursor into specified window {{{2
+fun! s:GotoWinNum(winnum)
+" call Dfunc("GotoWinNum(winnum=".a:winnum.") winnr=".winnr())
+ if a:winnum != winnr()
+ exe a:winnum."wincmd w"
+ endif
+" call Dret("GotoWinNum")
+endfun
+
+
+" ---------------------------------------------------------------------
+" ZoomWinPreserve: This function, largely written by David Fishburn, {{{2
+" allows ZoomWin to "preserve" certain windows:
+"
+" TagList, by Yegappan Lakshmanan
+" http://vim.sourceforge.net/scripts/script.php?script_id=273
+"
+" WinManager, by Srinath Avadhanula
+" http://vim.sourceforge.net/scripts/script.php?script_id=95
+"
+" It does so by closing the associated window upon entry to ZoomWin
+" and re-opening it upon exit by using commands provided by the
+" utilities themselves.
+fun! s:ZoomWinPreserve(open)
+" call Dfunc("ZoomWinPreserve(open=".a:open.")")
+
+ if a:open == 0
+
+ " Close Taglist
+ if exists('g:zoomwin_preserve_taglist') && exists('g:loaded_taglist')
+ " If taglist window is open then close it.
+ let s:taglist_winnum = bufwinnr(g:TagList_title)
+ if s:taglist_winnum != -1
+ " Close the window
+ exec "silent! Tlist"
+ endif
+ endif
+
+ " Close Winmanager
+ if exists('g:zoomwin_preserve_winmanager') && exists('g:loaded_winmanager')
+ " If the winmanager window is open then close it.
+ let s:is_winmgr_vis = IsWinManagerVisible()
+ if s:is_winmgr_vis == 1
+ exec "WMClose"
+ endif
+ endif
+
+ else
+
+ " Re-open Taglist
+ if exists('g:zoomwin_preserve_taglist') && exists('g:loaded_taglist')
+ " If taglist window was open, open it again
+ if s:taglist_winnum != -1
+ exec "silent! Tlist"
+ endif
+ endif
+
+ " Re-Open Winmanager
+ if exists('g:zoomwin_preserve_winmanager') && exists('g:loaded_winmanager')
+ " If the winmanager window is open then close it.
+ if s:is_winmgr_vis == 1
+ exec "WManager"
+ endif
+ endif
+ endif
+
+" call Dret("ZoomWinPreserve")
+endfun
+
+" =====================================================================
+" Restore: {{{1
+let &cpo= s:keepcpo
+unlet s:keepcpo
+
+" ---------------------------------------------------------------------
+" Modelines: {{{1
+" vim: ts=4 fdm=marker
generated by cgit (git 2.54.0) at 2026-07-24 19:22:47 +0000