patch 9.1.0875: filetype: hyprlang detection can be improved

Problem:  filetype: hyprlang detection can be improved
Solution: detect '/hypr/*.conf' files as hyprlang filetype,
          include basic syntax highlighting (Luca Saccarola)

fixes: #15875
closes: #16064

Signed-off-by: Luca Saccarola <github.e41mv@aleeas.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/filetype.vim

@@ -1099,8 +1099,8 @@ au BufRead,BufNewFile *.hurl			setf hurl
 " Hyper Builder
 au BufNewFile,BufRead *.hb			setf hb
 
-" Hyprlang
+" Hyprland Configuration language
-au BufNewFile,BufRead hypr\(land\|paper\|idle\|lock\).conf	setf hyprlang
+au BufNewFile,BufRead */hypr/*.conf,hypr\(land\|paper\|idle\|lock\).conf setf hyprlang
 
 " Httest
 au BufNewFile,BufRead *.htt,*.htb		setf httest

runtime/syntax/hyprlang.vim

@@ -0,0 +1,58 @@
+" Vim syntax file
+" Language:     hyprlang
+" Maintainer:   Luca Saccarola <github.e41mv@aleeas.com>
+" Last Change:  2024 nov 15
+
+if exists("b:current_syntax")
+  finish
+endif
+let b:current_syntax = "hyprlang"
+
+syn case ignore
+
+syn match hyprCommand '^\s*\zs\S\+\ze\s*=' contains=hyprVariable
+syn match hyprValue '=\s*\zs.\+\ze$' contains=hyprNumber,hyprFloat,hyprBoolean,hyprString,hyprColor,hyprModifier,hyprVariable,hyprComment
+
+syn match hyprVariable '\$\w\+' contained
+
+" Category
+syn region hyprCategory matchgroup=hyprCategoryD start='^\s*\k\+\s*{' end='^\s*}' contains=hyprCommand,hyprValue,hyprComment,hyprCategory,hyprCategoryD
+
+" Variables Types
+syn match   hyprNumber  '\%[-+]\<\d\+\>\%[%]' contained
+syn match   hyprFloat   '\%[-+]\<\d\+\.\d\+\>\%[%]' contained
+syn match   hyprString  '["\'].*["\']' contained
+syn match   hyprColor   'rgb(\(\w\|\d\)\{6})' contained
+syn match   hyprColor   'rgba(\(\w\|\d\)\{8})' contained
+syn match   hyprColor   '0x\(\w\|\d\)\{8}' contained
+syn keyword hyprBoolean true false yes no on off contained
+
+"               Super         Shift         Alt         Ctrl        Control
+syn keyword hyprModifier contained
+      \ super                 supershift    superalt    superctrl   supercontrol
+      \                       super_shift   super_alt   super_ctrl  super_control
+      \ shift   shiftsuper                  shiftalt    shiftctrl   shiftcontrol
+      \         shift_super                 shift_alt   shift_ctrl  shift_control
+      \ alt     altsuper      altshift                  altctrl     altcontrol
+      \         alt_super     alt_shift                 alt_ctrl    alt_control
+      \ ctrl    ctrlsuper     ctrlshift     ctrlalt                 ctrlcontrol
+      \         ctrl_super    ctrl_shift    ctrl_alt                ctrl_control
+      \ control controlsuper  controlshift  controlalt  controlctrl
+      \         control_super control_shift control_alt control_ctrl
+
+" Comments
+syn match hyprComment '#.*$'
+
+" Link to default groups
+hi def link hyprVariable  Identifier
+hi def link hyprCategoryD Special
+hi def link hyprComment   Comment
+hi def link hyprNumber    Constant
+hi def link hyprModifier  Constant
+hi def link hyprFloat     hyprNumber
+hi def link hyprBoolean   Boolean
+hi def link hyprString    String
+hi def link hyprColor     Structure
+hi def link hyprCommand   Keyword
+
+" vim: ts=8 sts=2 sw=2 et

src/testdir/test_filetype.vim

@@ -354,7 +354,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     htmlm4: ['file.html.m4'],
     httest: ['file.htt', 'file.htb'],
     hurl: ['file.hurl'],
-    hyprlang: ['hyprlock.conf', 'hyprland.conf', 'hypridle.conf', 'hyprpaper.conf'],
+    hyprlang: ['hyprlock.conf', 'hyprland.conf', 'hypridle.conf', 'hyprpaper.conf', '/hypr/foo.conf'],
     i3config: ['/home/user/.i3/config', '/home/user/.config/i3/config', '/etc/i3/config', '/etc/xdg/i3/config'],
     ibasic: ['file.iba', 'file.ibi'],
     icemenu: ['/.icewm/menu', 'any/.icewm/menu'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    875,
 /**/
     874,
 /**/