132 lines
5.2 KiB
Nim
132 lines
5.2 KiB
Nim
from std/osproc import execProcess, ProcessOption, startProcess, waitForExit, close
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from std/envvars import existsEnv, getEnv, delEnv, putEnv
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from std/os import symlinkExists, getConfigDir, `/`
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from std/options import Option, some, get, isNone
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from std/strutils import split, endsWith
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from std/strformat import fmt
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import owlkettle
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const
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# Set the directory path where icons are stored
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iconsDir = "/usr/share/tromjaro-theme-switcher/icons"
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# GTK CSS for overriding the default icon size of buttons
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gtkCSS = "button { -gtk-icon-size: 85px; }"
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applicationID = "com.tromjaro.ThemeSwitcher"
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themeColors = ["Grey", "Pink", "Green", "Orange", "Purple", "Yellow", "Teal"]
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themeStyles = ["Light", "Nord", "Dark", "Dark-Nord"]
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proc runCommand(command: string, args: openArray[string]): bool =
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## This will run a command with the given args and return true upon success
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let process = startProcess(command, args=args, options={poParentStreams})
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result = process.waitForExit() == 0
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process.close()
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proc setIconTheme(iconName: string) =
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# Change icon theme in XFCE
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discard runCommand("/usr/bin/xfconf-query",
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args=["--channel=xsettings", "--property=/Net/IconThemeName", "--create", "--type=string", "--set", iconName])
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proc enableDarkPanels(): bool =
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# Return if dark panels is already enabled
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if execProcess("/usr/bin/xfconf-query",
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args=["--channel=xfce4-panel", "--property=/panels/dark-mode"], options={}) == "true\n":
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return
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# Try to enable it and return true upon success
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result = runCommand("/usr/bin/xfconf-query",
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args=["--channel=xfce4-panel", "--property=/panels/dark-mode", "--create", "--type=bool", "--set=true"])
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proc setTheme(themeName: string) =
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var panelNotification: string
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# Set the icon theme and panel color according to the chosen theme
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if themeName.endsWith("-Dark") or themeName.endsWith("-Dark-Nord"):
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setIconTheme("zafiro-dark")
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else:
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setIconTheme("zafiro")
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if enableDarkPanels():
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panelNotification = " with dark panels"
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# Change the main theme to the chosen one
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discard runCommand("/usr/bin/xfconf-query",
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args=["--channel=xsettings", "--property=/Net/ThemeName", "--create", "--type=string", "--set", themeName])
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# Send notification about the theme change
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sendNotification(applicationID, "Theme Switcher", fmt"{themeName} theme{panelNotification} is enabled",
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icon=fmt"{iconsDir}/{themeName}.svg")
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var
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oldConfigDir: Option[string]
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configDirChanged: bool
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# Prevent loading GTK theme from ~/.config/gtk-4.0 directory when it is a symlink
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if symlinkExists(getConfigDir() / "gtk-4.0"):
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if existsEnv("XDG_CONFIG_HOME"):
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oldConfigDir = some(getEnv("XDG_CONFIG_HOME"))
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putEnv("XDG_CONFIG_HOME", "/dev/null")
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configDirChanged = true
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# Display the GTK-4 GUI using owlkettle
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viewable App:
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highlightButton: array[2, string]
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hooks:
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build:
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# Reset the user's XDG_CONFIG_HOME variable back to what it was before
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if configDirChanged == true:
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if oldConfigDir.isNone():
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delEnv("XDG_CONFIG_HOME")
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else:
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putEnv("XDG_CONFIG_HOME", get(oldConfigDir))
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let currentTheme: string = execProcess("/usr/bin/xfconf-query",
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args=["--channel=xsettings", "--property=/Net/ThemeName"],
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options={})[0 .. ^2]
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let currentThemeSplit: seq[string] = currentTheme.split('-', 2)
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if currentThemeSplit.len() < 3 or currentThemeSplit[0] != "Colloid":
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return
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let currentThemeColor = currentThemeSplit[1]
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let currentThemeStyle = currentThemeSplit[2]
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# Highlight current theme button
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state.highlightButton = [currentThemeColor, currentThemeStyle]
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method view(app: AppState): Widget =
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result = gui:
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Window:
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title = "TROMjaro Theme Switcher"
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# Shrink window to the smallest size
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defaultSize = (0, 0)
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iconName = "tromjaro-theme-switcher"
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# Vertical box
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Box(orient = OrientY, margin = 7, spacing = 5):
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Label:
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text="A Theme Switcher for TROMjaro's default theme-set (Colloid) and icon-set (Zafiro)."
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Label {.vAlign: AlignStart.}:
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useMarkup = true
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text="<span size='small'>NOTE: Some apps need to be reopened for the theme to be applied.</span>"
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for themeStyle in themeStyles:
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# Horizontal box
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Box(orient = OrientX, spacing = 5):
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for themeColor in themeColors:
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Button {.vAlign: AlignCenter, hAlign: AlignCenter.}:
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icon = fmt"Colloid-{themeColor}-{themeStyle}"
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# Teal-Dark-Nord theme will have "(default)" added to its tooltip
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tooltip = if (themeColor, themeStyle) == ("Teal", "Dark-Nord"):
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fmt"{themeColor}-{themeStyle} (default)"
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else:
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fmt"{themeColor}-{themeStyle}"
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style = if [themeColor, themeStyle] == app.highlightButton:
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ButtonSuggested
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else:
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ButtonFlat
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proc clicked() =
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setTheme(fmt"Colloid-{themeColor}-{themeStyle}")
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# Highlight this button
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app.highlightButton = [themeColor, themeStyle]
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brew(applicationID, gui(App()), icons=[iconsDir], stylesheets=[newStylesheet(gtkCSS)])
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