compositor+matugen: border override, hypr/mango layout overrides, new

templates, respect XDG paths - Add Hyprland and MangoWC templates - Add GUI gaps, window radius, and border thickness overrides for niri, Hyprland, and MangoWC - Add replacement support in matugen templates for DATA_DIR, CACHE_DIR, CONFIG_DIR fixes #1274 fixes #1273
2026-01-25 05:52:50 -05:00 · 2026-01-05 11:25:13 -05:00
parent 4005a55bf2
commit 64310854a6
49 changed files with 1017 additions and 207 deletions
--- a/core/cmd/dms/commands_matugen.go
+++ b/core/cmd/dms/commands_matugen.go
@@ -2,6 +2,7 @@ package main

 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"time"

@@ -29,9 +30,16 @@ var matugenQueueCmd = &cobra.Command{
 	Run:   runMatugenQueue,
 }

+var matugenCheckCmd = &cobra.Command{
+	Use:   "check",
+	Short: "Check which template apps are detected",
+	Run:   runMatugenCheck,
+}
+
 func init() {
 	matugenCmd.AddCommand(matugenGenerateCmd)
 	matugenCmd.AddCommand(matugenQueueCmd)
+	matugenCmd.AddCommand(matugenCheckCmd)

 	for _, cmd := range []*cobra.Command{matugenGenerateCmd, matugenQueueCmd} {
 		cmd.Flags().String("state-dir", "", "State directory for cache files")
@@ -162,3 +170,12 @@ func runMatugenQueue(cmd *cobra.Command, args []string) {
 		log.Fatalf("Timeout waiting for theme generation")
 	}
 }
+
+func runMatugenCheck(cmd *cobra.Command, args []string) {
+	checks := matugen.CheckTemplates(nil)
+	data, err := json.Marshal(checks)
+	if err != nil {
+		log.Fatalf("Failed to marshal check results: %v", err)
+	}
+	fmt.Println(string(data))
+}
--- a/core/internal/config/deployer.go
+++ b/core/internal/config/deployer.go
@@ -176,7 +176,7 @@ func (cd *ConfigDeployer) deployNiriConfig(terminal deps.Terminal, useSystemd bo
 	}

 	if existingConfig != "" {
-		mergedConfig, err := cd.mergeNiriOutputSections(newConfig, existingConfig)
+		mergedConfig, err := cd.mergeNiriOutputSections(newConfig, existingConfig, dmsDir)
 		if err != nil {
 			cd.log(fmt.Sprintf("Warning: Failed to merge output sections: %v", err))
 		} else {
@@ -209,6 +209,7 @@ func (cd *ConfigDeployer) deployNiriDmsConfigs(dmsDir, terminalCommand string) e
 		{"layout.kdl", NiriLayoutConfig},
 		{"alttab.kdl", NiriAlttabConfig},
 		{"binds.kdl", strings.ReplaceAll(NiriBindsConfig, "{{TERMINAL_COMMAND}}", terminalCommand)},
+		{"outputs.kdl", ""},
 	}

 	for _, cfg := range configs {
@@ -421,24 +422,31 @@ func (cd *ConfigDeployer) deployAlacrittyConfig() ([]DeploymentResult, error) {
 	return results, nil
 }

-// mergeNiriOutputSections extracts output sections from existing config and merges them into the new config
-func (cd *ConfigDeployer) mergeNiriOutputSections(newConfig, existingConfig string) (string, error) {
-	// Regular expression to match output sections (including commented ones)
+func (cd *ConfigDeployer) mergeNiriOutputSections(newConfig, existingConfig, dmsDir string) (string, error) {
 	outputRegex := regexp.MustCompile(`(?m)^(/-)?\s*output\s+"[^"]+"\s*\{[^{}]*(?:\{[^{}]*\}[^{}]*)*\}`)
-
-	// Find all output sections in the existing config
 	existingOutputs := outputRegex.FindAllString(existingConfig, -1)

 	if len(existingOutputs) == 0 {
-		// No output sections to merge
 		return newConfig, nil
 	}

-	// Remove the example output section from the new config
+	outputsPath := filepath.Join(dmsDir, "outputs.kdl")
+	if _, err := os.Stat(outputsPath); err != nil {
+		var outputsContent strings.Builder
+		for _, output := range existingOutputs {
+			outputsContent.WriteString(output)
+			outputsContent.WriteString("\n\n")
+		}
+		if err := os.WriteFile(outputsPath, []byte(outputsContent.String()), 0644); err != nil {
+			cd.log(fmt.Sprintf("Warning: Failed to migrate outputs to %s: %v", outputsPath, err))
+		} else {
+			cd.log("Migrated output sections to dms/outputs.kdl")
+		}
+	}
+
 	exampleOutputRegex := regexp.MustCompile(`(?m)^/-output "eDP-2" \{[^{}]*(?:\{[^{}]*\}[^{}]*)*\}`)
 	mergedConfig := exampleOutputRegex.ReplaceAllString(newConfig, "")

-	// Find where to insert the output sections (after the input section)
 	inputEndRegex := regexp.MustCompile(`(?m)^}$`)
 	inputMatches := inputEndRegex.FindAllStringIndex(newConfig, -1)

@@ -446,7 +454,6 @@ func (cd *ConfigDeployer) mergeNiriOutputSections(newConfig, existingConfig stri
 		return "", fmt.Errorf("could not find insertion point for output sections")
 	}

-	// Insert after the first closing brace (end of input section)
 	insertPos := inputMatches[0][1]

 	var builder strings.Builder
@@ -476,6 +483,12 @@ func (cd *ConfigDeployer) deployHyprlandConfig(terminal deps.Terminal, useSystem
 		return result, result.Error
 	}

+	dmsDir := filepath.Join(configDir, "dms")
+	if err := os.MkdirAll(dmsDir, 0755); err != nil {
+		result.Error = fmt.Errorf("failed to create dms directory: %w", err)
+		return result, result.Error
+	}
+
 	var existingConfig string
 	if _, err := os.Stat(result.Path); err == nil {
 		cd.log("Found existing Hyprland configuration")
@@ -515,7 +528,7 @@ func (cd *ConfigDeployer) deployHyprlandConfig(terminal deps.Terminal, useSystem
 	}

 	if existingConfig != "" {
-		mergedConfig, err := cd.mergeHyprlandMonitorSections(newConfig, existingConfig)
+		mergedConfig, err := cd.mergeHyprlandMonitorSections(newConfig, existingConfig, dmsDir)
 		if err != nil {
 			cd.log(fmt.Sprintf("Warning: Failed to merge monitor sections: %v", err))
 		} else {
@@ -529,13 +542,42 @@ func (cd *ConfigDeployer) deployHyprlandConfig(terminal deps.Terminal, useSystem
 		return result, result.Error
 	}

+	if err := cd.deployHyprlandDmsConfigs(dmsDir); err != nil {
+		result.Error = fmt.Errorf("failed to deploy dms configs: %w", err)
+		return result, result.Error
+	}
+
 	result.Deployed = true
 	cd.log("Successfully deployed Hyprland configuration")
 	return result, nil
 }

-// mergeHyprlandMonitorSections extracts monitor sections from existing config and merges them into the new config
-func (cd *ConfigDeployer) mergeHyprlandMonitorSections(newConfig, existingConfig string) (string, error) {
+func (cd *ConfigDeployer) deployHyprlandDmsConfigs(dmsDir string) error {
+	configs := []struct {
+		name    string
+		content string
+	}{
+		{"colors.conf", HyprColorsConfig},
+		{"layout.conf", HyprLayoutConfig},
+		{"outputs.conf", ""},
+	}
+
+	for _, cfg := range configs {
+		path := filepath.Join(dmsDir, cfg.name)
+		if _, err := os.Stat(path); err == nil {
+			cd.log(fmt.Sprintf("Skipping %s (already exists)", cfg.name))
+			continue
+		}
+		if err := os.WriteFile(path, []byte(cfg.content), 0644); err != nil {
+			return fmt.Errorf("failed to write %s: %w", cfg.name, err)
+		}
+		cd.log(fmt.Sprintf("Deployed %s", cfg.name))
+	}
+
+	return nil
+}
+
+func (cd *ConfigDeployer) mergeHyprlandMonitorSections(newConfig, existingConfig, dmsDir string) (string, error) {
 	monitorRegex := regexp.MustCompile(`(?m)^#?\s*monitor\s*=.*$`)
 	existingMonitors := monitorRegex.FindAllString(existingConfig, -1)

@@ -543,6 +585,20 @@ func (cd *ConfigDeployer) mergeHyprlandMonitorSections(newConfig, existingConfig
 		return newConfig, nil
 	}

+	outputsPath := filepath.Join(dmsDir, "outputs.conf")
+	if _, err := os.Stat(outputsPath); err != nil {
+		var outputsContent strings.Builder
+		for _, monitor := range existingMonitors {
+			outputsContent.WriteString(monitor)
+			outputsContent.WriteString("\n")
+		}
+		if err := os.WriteFile(outputsPath, []byte(outputsContent.String()), 0644); err != nil {
+			cd.log(fmt.Sprintf("Warning: Failed to migrate monitors to %s: %v", outputsPath, err))
+		} else {
+			cd.log("Migrated monitor sections to dms/outputs.conf")
+		}
+	}
+
 	exampleMonitorRegex := regexp.MustCompile(`(?m)^# monitor = eDP-2.*$`)
 	mergedConfig := exampleMonitorRegex.ReplaceAllString(newConfig, "")

--- a/core/internal/config/deployer_test.go
+++ b/core/internal/config/deployer_test.go
@@ -161,7 +161,8 @@ layout {

 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			result, err := cd.mergeNiriOutputSections(tt.newConfig, tt.existingConfig)
+			tmpDir := t.TempDir()
+			result, err := cd.mergeNiriOutputSections(tt.newConfig, tt.existingConfig, tmpDir)

 			if tt.wantError {
 				assert.Error(t, err)
@@ -362,7 +363,8 @@ input {

 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			result, err := cd.mergeHyprlandMonitorSections(tt.newConfig, tt.existingConfig)
+			tmpDir := t.TempDir()
+			result, err := cd.mergeHyprlandMonitorSections(tt.newConfig, tt.existingConfig, tmpDir)

 			if tt.wantError {
 				assert.Error(t, err)
@@ -462,7 +464,6 @@ func TestHyprlandConfigStructure(t *testing.T) {
 	assert.Contains(t, HyprlandConfig, "# KEYBINDINGS")
 	assert.Contains(t, HyprlandConfig, "bind = $mod, T, exec, {{TERMINAL_COMMAND}}")
 	assert.Contains(t, HyprlandConfig, "bind = $mod, space, exec, dms ipc call spotlight toggle")
-	assert.Contains(t, HyprlandConfig, "windowrule = border_size 0, match:class ^(com\\.mitchellh\\.ghostty)$")
 }

 func TestGhosttyConfigStructure(t *testing.T) {
--- a/core/internal/config/embedded/hypr-colors.conf
+++ b/core/internal/config/embedded/hypr-colors.conf
@@ -0,0 +1,25 @@
+# ! Auto-generated file. Do not edit directly.
+# Remove source = ./dms/colors.conf from your config to override.
+
+$primary  = rgb(d0bcff)
+$outline  = rgb(948f99)
+$error    = rgb(f2b8b5)
+
+general {
+  col.active_border   = $primary
+  col.inactive_border = $outline
+}
+
+group {
+  col.border_active   = $primary
+  col.border_inactive = $outline
+  col.border_locked_active   = $error
+  col.border_locked_inactive = $outline
+
+  groupbar {
+    col.active         = $primary
+    col.inactive       = $outline
+    col.locked_active   = $error
+    col.locked_inactive = $outline
+  }
+}
--- a/core/internal/config/embedded/hypr-layout.conf
+++ b/core/internal/config/embedded/hypr-layout.conf
@@ -0,0 +1,11 @@
+# Auto-generated by DMS - do not edit manually
+
+general {
+    gaps_in = 4
+    gaps_out = 4
+    border_size = 2
+}
+
+decoration {
+    rounding = 12
+}
--- a/core/internal/config/embedded/hyprland.conf
+++ b/core/internal/config/embedded/hyprland.conf
@@ -27,10 +27,7 @@ input {
 general {
    gaps_in = 5
    gaps_out = 5
-    border_size = 0  # off in niri
-
-    col.active_border = rgba(707070ff)
-    col.inactive_border = rgba(d0d0d0ff)
+    border_size = 2

    layout = dwindle
 }
@@ -42,7 +39,7 @@ decoration {
    rounding = 12

    active_opacity = 1.0
-    inactive_opacity = 0.9
+    inactive_opacity = 1.0

    shadow {
        enabled = true
@@ -93,7 +90,6 @@ misc {
 windowrule = tile on, match:class ^(org\.wezfurlong\.wezterm)$

 windowrule = rounding 12, match:class ^(org\.gnome\.)
-windowrule = border_size 0, match:class ^(org\.gnome\.)

 windowrule = tile on, match:class ^(gnome-control-center)$
 windowrule = tile on, match:class ^(pavucontrol)$
@@ -106,12 +102,6 @@ windowrule = float on, match:class ^(org\.gnome\.Nautilus)$
 windowrule = float on, match:class ^(steam)$
 windowrule = float on, match:class ^(xdg-desktop-portal)$

-windowrule = border_size 0, match:class ^(org\.wezfurlong\.wezterm)$
-windowrule = border_size 0, match:class ^(Alacritty)$
-windowrule = border_size 0, match:class ^(zen)$
-windowrule = border_size 0, match:class ^(com\.mitchellh\.ghostty)$
-windowrule = border_size 0, match:class ^(kitty)$
-
 windowrule = float on, match:class ^(firefox)$, match:title ^(Picture-in-Picture)$
 windowrule = float on, match:class ^(zoom)$

@@ -281,3 +271,7 @@ bind = ALT, Print, exec, dms screenshot window

 # === System Controls ===
 bind = $mod SHIFT, P, dpms, toggle
+
+source = ./dms/colors.conf
+source = ./dms/outputs.conf
+source = ./dms/layout.conf
--- a/core/internal/config/embedded/niri-colors.kdl
+++ b/core/internal/config/embedded/niri-colors.kdl
@@ -1,21 +1,19 @@
-// ! DO NOT EDIT !
-// ! AUTO-GENERATED BY DMS !
-// ! CHANGES WILL BE OVERWRITTEN !
-// ! PLACE YOUR CUSTOM CONFIGURATION ELSEWHERE !
+// ! Auto-generated file. Do not edit directly.
+// Remove `include "dms/colors.kdl"` from your config to override.

 layout {
    background-color "transparent"

    focus-ring {
-        active-color   "#9dcbfb"
-        inactive-color "#8c9199"
-        urgent-color   "#ffb4ab"
+        active-color   "#d0bcff"
+        inactive-color "#948f99"
+        urgent-color   "#f2b8b5"
    }

    border {
-        active-color   "#9dcbfb"
-        inactive-color "#8c9199"
-        urgent-color   "#ffb4ab"
+        active-color   "#d0bcff"
+        inactive-color "#948f99"
+        urgent-color   "#f2b8b5"
    }

    shadow {
@@ -23,19 +21,19 @@ layout {
    }

    tab-indicator {
-        active-color   "#9dcbfb"
-        inactive-color "#8c9199"
-        urgent-color   "#ffb4ab"
+        active-color   "#d0bcff"
+        inactive-color "#948f99"
+        urgent-color   "#f2b8b5"
    }

    insert-hint {
-        color "#9dcbfb80"
+        color "#d0bcff80"
    }
 }

 recent-windows {
    highlight {
-        active-color   "#124a73"
-        urgent-color   "#ffb4ab"
+        active-color   "#4f378b"
+        urgent-color   "#f2b8b5"
    }
 }
--- a/core/internal/config/embedded/niri.kdl
+++ b/core/internal/config/embedded/niri.kdl
@@ -240,10 +240,6 @@ window-rule {
    match app-id="kitty"
    draw-border-with-background false
 }
-window-rule {
-    match is-active=false
-    opacity 0.9
-}
 window-rule {
    match app-id=r#"firefox$"# title="^Picture-in-Picture$"
    match app-id="zoom"
@@ -273,3 +269,4 @@ include "dms/colors.kdl"
 include "dms/layout.kdl"
 include "dms/alttab.kdl"
 include "dms/binds.kdl"
+include "dms/outputs.kdl"
--- a/core/internal/config/hyprland.go
+++ b/core/internal/config/hyprland.go
@@ -4,3 +4,9 @@ import _ "embed"

 //go:embed embedded/hyprland.conf
 var HyprlandConfig string
+
+//go:embed embedded/hypr-colors.conf
+var HyprColorsConfig string
+
+//go:embed embedded/hypr-layout.conf
+var HyprLayoutConfig string
--- a/core/internal/matugen/matugen.go
+++ b/core/internal/matugen/matugen.go
@@ -23,6 +23,47 @@ const (
 	ColorModeLight ColorMode = "light"
 )

+type TemplateKind int
+
+const (
+	TemplateKindNormal TemplateKind = iota
+	TemplateKindTerminal
+	TemplateKindGTK
+	TemplateKindVSCode
+)
+
+type TemplateDef struct {
+	ID                 string
+	Commands           []string
+	Flatpaks           []string
+	ConfigFile         string
+	Kind               TemplateKind
+	RunUnconditionally bool
+}
+
+var templateRegistry = []TemplateDef{
+	{ID: "gtk", Kind: TemplateKindGTK, RunUnconditionally: true},
+	{ID: "niri", Commands: []string{"niri"}, ConfigFile: "niri.toml"},
+	{ID: "hyprland", Commands: []string{"Hyprland"}, ConfigFile: "hyprland.toml"},
+	{ID: "mangowc", Commands: []string{"mango"}, ConfigFile: "mangowc.toml"},
+	{ID: "qt5ct", Commands: []string{"qt5ct"}, ConfigFile: "qt5ct.toml"},
+	{ID: "qt6ct", Commands: []string{"qt6ct"}, ConfigFile: "qt6ct.toml"},
+	{ID: "firefox", Commands: []string{"firefox"}, ConfigFile: "firefox.toml"},
+	{ID: "pywalfox", Commands: []string{"pywalfox"}, ConfigFile: "pywalfox.toml"},
+	{ID: "zenbrowser", Commands: []string{"zen", "zen-browser"}, Flatpaks: []string{"app.zen_browser.zen"}, ConfigFile: "zenbrowser.toml"},
+	{ID: "vesktop", Commands: []string{"vesktop"}, Flatpaks: []string{"dev.vencord.Vesktop"}, ConfigFile: "vesktop.toml"},
+	{ID: "equibop", Commands: []string{"equibop"}, ConfigFile: "equibop.toml"},
+	{ID: "ghostty", Commands: []string{"ghostty"}, ConfigFile: "ghostty.toml", Kind: TemplateKindTerminal},
+	{ID: "kitty", Commands: []string{"kitty"}, ConfigFile: "kitty.toml", Kind: TemplateKindTerminal},
+	{ID: "foot", Commands: []string{"foot"}, ConfigFile: "foot.toml", Kind: TemplateKindTerminal},
+	{ID: "alacritty", Commands: []string{"alacritty"}, ConfigFile: "alacritty.toml", Kind: TemplateKindTerminal},
+	{ID: "wezterm", Commands: []string{"wezterm"}, ConfigFile: "wezterm.toml", Kind: TemplateKindTerminal},
+	{ID: "nvim", Commands: []string{"nvim"}, ConfigFile: "neovim.toml", Kind: TemplateKindTerminal},
+	{ID: "dgop", Commands: []string{"dgop"}, ConfigFile: "dgop.toml"},
+	{ID: "kcolorscheme", ConfigFile: "kcolorscheme.toml", RunUnconditionally: true},
+	{ID: "vscode", Kind: TemplateKindVSCode},
+}
+
 func (c *ColorMode) GTKTheme() string {
 	switch *c {
 	case ColorModeDark:
@@ -240,7 +281,7 @@ func buildMergedConfig(opts *Options, cfgFile *os.File, tmpDir string) error {
 			if strings.TrimSpace(line) == "[config]" {
 				continue
 			}
-			cfgFile.WriteString(substituteShellDir(line, opts.ShellDir) + "\n")
+			cfgFile.WriteString(substituteVars(line, opts.ShellDir) + "\n")
 		}
 		cfgFile.WriteString("\n")
 	}
@@ -251,73 +292,31 @@ output_path = '%s'

 `, opts.ShellDir, opts.ColorsOutput())

-	if !opts.ShouldSkipTemplate("gtk") {
-		switch opts.Mode {
-		case "light":
-			appendConfig(opts, cfgFile, nil, nil, "gtk3-light.toml")
-		default:
-			appendConfig(opts, cfgFile, nil, nil, "gtk3-dark.toml")
+	homeDir, _ := os.UserHomeDir()
+	for _, tmpl := range templateRegistry {
+		if opts.ShouldSkipTemplate(tmpl.ID) {
+			continue
 		}
-	}

-	if !opts.ShouldSkipTemplate("niri") {
-		appendConfig(opts, cfgFile, []string{"niri"}, nil, "niri.toml")
-	}
-	if !opts.ShouldSkipTemplate("qt5ct") {
-		appendConfig(opts, cfgFile, []string{"qt5ct"}, nil, "qt5ct.toml")
-	}
-	if !opts.ShouldSkipTemplate("qt6ct") {
-		appendConfig(opts, cfgFile, []string{"qt6ct"}, nil, "qt6ct.toml")
-	}
-	if !opts.ShouldSkipTemplate("firefox") {
-		appendConfig(opts, cfgFile, []string{"firefox"}, nil, "firefox.toml")
-	}
-	if !opts.ShouldSkipTemplate("pywalfox") {
-		appendConfig(opts, cfgFile, []string{"pywalfox"}, nil, "pywalfox.toml")
-	}
-	if !opts.ShouldSkipTemplate("zenbrowser") {
-		appendConfig(opts, cfgFile, []string{"zen", "zen-browser"}, []string{"app.zen_browser.zen"}, "zenbrowser.toml")
-	}
-	if !opts.ShouldSkipTemplate("vesktop") {
-		appendConfig(opts, cfgFile, []string{"vesktop"}, []string{"dev.vencord.Vesktop"}, "vesktop.toml")
-	}
-	if !opts.ShouldSkipTemplate("equibop") {
-		appendConfig(opts, cfgFile, []string{"equibop"}, nil, "equibop.toml")
-	}
-	if !opts.ShouldSkipTemplate("ghostty") {
-		appendTerminalConfig(opts, cfgFile, tmpDir, []string{"ghostty"}, nil, "ghostty.toml")
-	}
-	if !opts.ShouldSkipTemplate("kitty") {
-		appendTerminalConfig(opts, cfgFile, tmpDir, []string{"kitty"}, nil, "kitty.toml")
-	}
-	if !opts.ShouldSkipTemplate("foot") {
-		appendTerminalConfig(opts, cfgFile, tmpDir, []string{"foot"}, nil, "foot.toml")
-	}
-	if !opts.ShouldSkipTemplate("alacritty") {
-		appendTerminalConfig(opts, cfgFile, tmpDir, []string{"alacritty"}, nil, "alacritty.toml")
-	}
-	if !opts.ShouldSkipTemplate("wezterm") {
-		appendTerminalConfig(opts, cfgFile, tmpDir, []string{"wezterm"}, nil, "wezterm.toml")
-	}
-	if !opts.ShouldSkipTemplate("nvim") {
-		appendTerminalConfig(opts, cfgFile, tmpDir, []string{"nvim"}, nil, "neovim.toml")
-	}
-
-	if !opts.ShouldSkipTemplate("dgop") {
-		appendConfig(opts, cfgFile, []string{"dgop"}, nil, "dgop.toml")
-	}
-
-	if !opts.ShouldSkipTemplate("kcolorscheme") {
-		appendConfig(opts, cfgFile, nil, nil, "kcolorscheme.toml")
-	}
-
-	if !opts.ShouldSkipTemplate("vscode") {
-		homeDir, _ := os.UserHomeDir()
-		appendVSCodeConfig(cfgFile, "vscode", filepath.Join(homeDir, ".vscode/extensions"), opts.ShellDir)
-		appendVSCodeConfig(cfgFile, "codium", filepath.Join(homeDir, ".vscode-oss/extensions"), opts.ShellDir)
-		appendVSCodeConfig(cfgFile, "codeoss", filepath.Join(homeDir, ".config/Code - OSS/extensions"), opts.ShellDir)
-		appendVSCodeConfig(cfgFile, "cursor", filepath.Join(homeDir, ".cursor/extensions"), opts.ShellDir)
-		appendVSCodeConfig(cfgFile, "windsurf", filepath.Join(homeDir, ".windsurf/extensions"), opts.ShellDir)
+		switch tmpl.Kind {
+		case TemplateKindGTK:
+			switch opts.Mode {
+			case ColorModeLight:
+				appendConfig(opts, cfgFile, nil, nil, "gtk3-light.toml")
+			default:
+				appendConfig(opts, cfgFile, nil, nil, "gtk3-dark.toml")
+			}
+		case TemplateKindTerminal:
+			appendTerminalConfig(opts, cfgFile, tmpDir, tmpl.Commands, tmpl.Flatpaks, tmpl.ConfigFile)
+		case TemplateKindVSCode:
+			appendVSCodeConfig(cfgFile, "vscode", filepath.Join(homeDir, ".vscode/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "codium", filepath.Join(homeDir, ".vscode-oss/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "codeoss", filepath.Join(homeDir, ".config/Code - OSS/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "cursor", filepath.Join(homeDir, ".cursor/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "windsurf", filepath.Join(homeDir, ".windsurf/extensions"), opts.ShellDir)
+		default:
+			appendConfig(opts, cfgFile, tmpl.Commands, tmpl.Flatpaks, tmpl.ConfigFile)
+		}
 	}

 	if opts.RunUserTemplates {
@@ -364,7 +363,7 @@ func appendConfig(
 	if err != nil {
 		return
 	}
-	cfgFile.WriteString(substituteShellDir(string(data), opts.ShellDir))
+	cfgFile.WriteString(substituteVars(string(data), opts.ShellDir))
 	cfgFile.WriteString("\n")
 }

@@ -384,7 +383,7 @@ func appendTerminalConfig(opts *Options, cfgFile *os.File, tmpDir string, checkC
 	content := string(data)

 	if !opts.TerminalsAlwaysDark {
-		cfgFile.WriteString(substituteShellDir(content, opts.ShellDir))
+		cfgFile.WriteString(substituteVars(content, opts.ShellDir))
 		cfgFile.WriteString("\n")
 		return
 	}
@@ -422,7 +421,7 @@ func appendTerminalConfig(opts *Options, cfgFile *os.File, tmpDir string, checkC
 			fmt.Sprintf("'%s'", tmpPath))
 	}

-	cfgFile.WriteString(substituteShellDir(content, opts.ShellDir))
+	cfgFile.WriteString(substituteVars(content, opts.ShellDir))
 	cfgFile.WriteString("\n")
 }

@@ -467,8 +466,12 @@ output_path = '%s/themes/dankshell-light.json'
 	log.Infof("Added %s theme config (extension found at %s)", name, extDir)
 }

-func substituteShellDir(content, shellDir string) string {
-	return strings.ReplaceAll(content, "'SHELL_DIR/", "'"+shellDir+"/")
+func substituteVars(content, shellDir string) string {
+	result := strings.ReplaceAll(content, "'SHELL_DIR/", "'"+shellDir+"/")
+	result = strings.ReplaceAll(result, "'CONFIG_DIR/", "'"+utils.XDGConfigHome()+"/")
+	result = strings.ReplaceAll(result, "'DATA_DIR/", "'"+utils.XDGDataHome()+"/")
+	result = strings.ReplaceAll(result, "'CACHE_DIR/", "'"+utils.XDGCacheHome()+"/")
+	return result
 }

 func extractTOMLSection(content, startMarker, endMarker string) string {
@@ -678,3 +681,52 @@ func syncColorScheme(mode ColorMode) {
 		exec.Command("dconf", "write", "/org/gnome/desktop/interface/color-scheme", "'"+scheme+"'").Run()
 	}
 }
+
+type TemplateCheck struct {
+	ID       string `json:"id"`
+	Detected bool   `json:"detected"`
+}
+
+func CheckTemplates(checker utils.AppChecker) []TemplateCheck {
+	if checker == nil {
+		checker = utils.DefaultAppChecker{}
+	}
+
+	homeDir, _ := os.UserHomeDir()
+	checks := make([]TemplateCheck, 0, len(templateRegistry))
+
+	for _, tmpl := range templateRegistry {
+		detected := false
+
+		switch {
+		case tmpl.RunUnconditionally:
+			detected = true
+		case tmpl.Kind == TemplateKindVSCode:
+			detected = checkVSCodeExtension(homeDir)
+		default:
+			detected = appExists(checker, tmpl.Commands, tmpl.Flatpaks)
+		}
+
+		checks = append(checks, TemplateCheck{ID: tmpl.ID, Detected: detected})
+	}
+
+	return checks
+}
+
+func checkVSCodeExtension(homeDir string) bool {
+	extDirs := []string{
+		filepath.Join(homeDir, ".vscode/extensions"),
+		filepath.Join(homeDir, ".vscode-oss/extensions"),
+		filepath.Join(homeDir, ".config/Code - OSS/extensions"),
+		filepath.Join(homeDir, ".cursor/extensions"),
+		filepath.Join(homeDir, ".windsurf/extensions"),
+	}
+
+	for _, extDir := range extDirs {
+		pattern := filepath.Join(extDir, "danklinux.dms-theme-*")
+		if matches, err := filepath.Glob(pattern); err == nil && len(matches) > 0 {
+			return true
+		}
+	}
+	return false
+}
--- a/core/internal/matugen/matugen_test.go
+++ b/core/internal/matugen/matugen_test.go
@@ -6,6 +6,8 @@ import (
 	"testing"

 	mocks_utils "github.com/AvengeMedia/DankMaterialShell/core/internal/mocks/utils"
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/utils"
+	"github.com/stretchr/testify/assert"
 )

 func TestAppendConfigBinaryExists(t *testing.T) {
@@ -321,3 +323,72 @@ func TestAppendConfigFileDoesNotExist(t *testing.T) {
 		t.Errorf("expected no config when file doesn't exist, got: %q", string(output))
 	}
 }
+
+func TestSubstituteVars(t *testing.T) {
+	configDir := utils.XDGConfigHome()
+	dataDir := utils.XDGDataHome()
+	cacheDir := utils.XDGCacheHome()
+
+	tests := []struct {
+		name     string
+		input    string
+		shellDir string
+		expected string
+	}{
+		{
+			name:     "substitutes SHELL_DIR",
+			input:    "input_path = 'SHELL_DIR/matugen/templates/foo.conf'",
+			shellDir: "/home/user/shell",
+			expected: "input_path = '/home/user/shell/matugen/templates/foo.conf'",
+		},
+		{
+			name:     "substitutes CONFIG_DIR",
+			input:    "output_path = 'CONFIG_DIR/kitty/theme.conf'",
+			shellDir: "/home/user/shell",
+			expected: "output_path = '" + configDir + "/kitty/theme.conf'",
+		},
+		{
+			name:     "substitutes DATA_DIR",
+			input:    "output_path = 'DATA_DIR/color-schemes/theme.colors'",
+			shellDir: "/home/user/shell",
+			expected: "output_path = '" + dataDir + "/color-schemes/theme.colors'",
+		},
+		{
+			name:     "substitutes CACHE_DIR",
+			input:    "output_path = 'CACHE_DIR/wal/colors.json'",
+			shellDir: "/home/user/shell",
+			expected: "output_path = '" + cacheDir + "/wal/colors.json'",
+		},
+		{
+			name:     "substitutes all dir types",
+			input:    "'SHELL_DIR/a' 'CONFIG_DIR/b' 'DATA_DIR/c' 'CACHE_DIR/d'",
+			shellDir: "/shell",
+			expected: "'/shell/a' '" + configDir + "/b' '" + dataDir + "/c' '" + cacheDir + "/d'",
+		},
+		{
+			name:     "no substitution when no placeholders",
+			input:    "input_path = '/absolute/path/foo.conf'",
+			shellDir: "/home/user/shell",
+			expected: "input_path = '/absolute/path/foo.conf'",
+		},
+		{
+			name:     "multiple SHELL_DIR occurrences",
+			input:    "'SHELL_DIR/a' and 'SHELL_DIR/b'",
+			shellDir: "/shell",
+			expected: "'/shell/a' and '/shell/b'",
+		},
+		{
+			name:     "only substitutes quoted paths",
+			input:    "SHELL_DIR/unquoted and 'SHELL_DIR/quoted'",
+			shellDir: "/shell",
+			expected: "SHELL_DIR/unquoted and '/shell/quoted'",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			result := substituteVars(tc.input, tc.shellDir)
+			assert.Equal(t, tc.expected, result)
+		})
+	}
+}
--- a/core/internal/utils/paths.go
+++ b/core/internal/utils/paths.go
@@ -10,9 +10,32 @@ func XDGStateHome() string {
 	if dir := os.Getenv("XDG_STATE_HOME"); dir != "" {
 		return dir
 	}
-
 	home, _ := os.UserHomeDir()
-	return filepath.Join(append([]string{home}, ".local", "state")...)
+	return filepath.Join(home, ".local", "state")
+}
+
+func XDGDataHome() string {
+	if dir := os.Getenv("XDG_DATA_HOME"); dir != "" {
+		return dir
+	}
+	home, _ := os.UserHomeDir()
+	return filepath.Join(home, ".local", "share")
+}
+
+func XDGCacheHome() string {
+	if dir, err := os.UserCacheDir(); err == nil {
+		return dir
+	}
+	home, _ := os.UserHomeDir()
+	return filepath.Join(home, ".cache")
+}
+
+func XDGConfigHome() string {
+	if dir, err := os.UserConfigDir(); err == nil {
+		return dir
+	}
+	home, _ := os.UserHomeDir()
+	return filepath.Join(home, ".config")
 }

 func ExpandPath(path string) (string, error) {