Add "Blue Streak" themes (#2388)

novelwriter/assets/themes/blue_streak_dark.conf

@@ -0,0 +1,76 @@
+[Main]
+name       = Blue Streak Dark
+mode       = dark
+author     = Veronica Berglyd Olsen
+credit     = Veronica Berglyd Olsen
+url        = https://github.com/vkbo/novelWriter
+license    = CC BY-SA 4.0
+licenseurl = https://creativecommons.org/licenses/by-sa/4.0/
+
+[Base]
+base    = #2d2d2d
+default = #cccccc
+faded   = #999999
+red     = #ff6666
+orange  = #ff9966
+yellow  = #ffcc66
+green   = #99cc99
+cyan    = #66cccc
+blue    = #6699cc
+purple  = #cc99cc
+
+[Project]
+root     = blue
+folder   = default
+file     = default
+title    = blue:D150
+chapter  = blue
+scene    = blue:L150
+note     = yellow
+active   = blue:L150
+inactive = blue:D150
+disabled = faded
+
+[Palette]
+window          = base:L125
+windowtext      = default
+base            = base
+alternatebase   = base:L150
+text            = default
+tooltipbase     = yellow:L140
+tooltiptext     = base:D150
+button          = base
+buttontext      = default
+brighttext      = base
+highlight       = blue
+highlightedtext = default:L120
+link            = blue
+linkvisited     = blue
+accent          = blue
+
+[GUI]
+helptext  = blue:L125
+fadedtext = faded
+errortext = red
+
+[Syntax]
+background     = base
+text           = default
+link           = blue
+headertext     = blue
+headertag      = blue:D150
+emphasis       = blue:L150
+dialog         = blue
+altdialog      = blue:L150
+note           = blue:L150
+hidden         = faded
+shortcode      = blue:D125
+keyword        = blue:D125
+tag            = blue
+value          = blue
+optional       = blue
+spellcheckline = red
+errorline      = green
+replacetag     = blue:L150
+modifier       = blue:D125
+texthighlight  = blue:96

novelwriter/assets/themes/blue_streak_light.conf

@@ -0,0 +1,76 @@
+[Main]
+name       = Blue Streak Light
+mode       = light
+author     = Veronica Berglyd Olsen
+credit     = Veronica Berglyd Olsen
+url        = https://github.com/vkbo/novelWriter
+license    = CC BY-SA 4.0
+licenseurl = https://creativecommons.org/licenses/by-sa/4.0/
+
+[Base]
+base    = #fcfcfc
+default = #303030
+faded   = #6c6c6c
+red     = #cc3939
+orange  = #cc7239
+yellow  = #cca339
+green   = #72a372
+cyan    = #39a3a3
+blue    = #3972a3
+purple  = #a372a3
+
+[Project]
+root     = blue
+folder   = faded
+file     = faded
+title    = blue:D150
+chapter  = blue
+scene    = blue:L125
+note     = yellow
+active   = blue:L115
+inactive = blue:D150
+disabled = faded
+
+[Palette]
+window          = base:D105
+windowtext      = default
+base            = base
+alternatebase   = base:D110
+text            = default
+tooltipbase     = yellow:L150
+tooltiptext     = default:D150
+button          = base
+buttontext      = default
+brighttext      = base
+highlight       = blue:L110
+highlightedtext = base
+link            = blue
+linkvisited     = blue
+accent          = blue
+
+[GUI]
+helptext  = blue
+fadedtext = faded
+errortext = red
+
+[Syntax]
+background     = base
+text           = default
+link           = blue
+headertext     = blue
+headertag      = blue:D150
+emphasis       = blue:L125
+dialog         = blue
+altdialog      = blue:L125
+note           = blue:L125
+hidden         = faded
+shortcode      = blue:D125
+keyword        = blue:D125
+tag            = blue
+value          = blue
+optional       = blue
+spellcheckline = red
+errorline      = green
+replacetag     = blue:L125
+modifier       = blue:D125
+texthighlight  = blue:96

novelwriter/gui/theme.py

@@ -481,7 +481,7 @@ class GuiTheme:
             # Assume #RRGGBBAA and convert to #AARRGGBB
             return QColor.fromString(f"#{value[7:9]}{value[1:7]}")
         elif ":" in value:
-            # Colour name and alpha
+            # Colour name and lighter, darker or alpha
             name, _, adjust = value.partition(":")
             color = QColor(self._qColors.get(name.strip(), default))
             if adjust.startswith("L"):