Plugins are now properly loaded woohoo

This commit is contained in:
Sasha Koshka 2023-04-30 19:00:20 -04:00
parent ca27a810c7
commit de4bce8c46
4 changed files with 31 additions and 16 deletions

21
examples/test/main.go Normal file
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@ -0,0 +1,21 @@
package main
import "git.tebibyte.media/sashakoshka/tomo"
import "git.tebibyte.media/sashakoshka/tomo/nasin"
import "git.tebibyte.media/sashakoshka/tomo/elements/testing"
func main () {
nasin.Run(Application { })
}
type Application struct { }
func (Application) Init () error {
window, err := nasin.NewWindow(tomo.Bounds(0, 0, 0, 0))
if err != nil { return err }
window.SetTitle("Mouse Test")
window.Adopt(testing.NewMouse())
window.OnClose(nasin.Stop)
window.Show()
return nil
}

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@ -6,7 +6,6 @@ import "git.tebibyte.media/sashakoshka/tomo"
// Application represents a Tomo/Nasin application.
type Application interface {
Name () string
Init () error
}

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@ -8,12 +8,7 @@ import "plugin"
import "path/filepath"
import "git.tebibyte.media/sashakoshka/tomo"
type expectsFunc func () tomo.Version
type nameFunc func () string
type descriptionFunc func () string
type backendFactory func () (tomo.Backend, error)
type themeFactory func () tomo.Theme
var factories []backendFactory
var theme tomo.Theme
@ -21,7 +16,9 @@ var pluginPaths []string
func loadPlugins () {
for _, dir := range pluginPaths {
loadPluginsFrom(dir)
if dir != "" {
loadPluginsFrom(dir)
}
}
}
@ -40,9 +37,7 @@ func loadPluginsFrom (dir string) {
func loadPlugin (path string) {
die := func (reason string) {
println (
"nasin: could not load plugin at ",
path + ":", reason)
println("nasin: could not load plugin at", path + ":", reason)
}
plugin, err := plugin.Open(path)
@ -52,11 +47,11 @@ func loadPlugin (path string) {
}
// check for and obtain basic plugin functions
expects, ok := extract[expectsFunc](plugin, "Expects")
expects, ok := extract[func () tomo.Version](plugin, "Expects")
if !ok { die("does not implement Expects() tomo.Version"); return }
name, ok := extract[nameFunc](plugin, "Name")
name, ok := extract[func () string](plugin, "Name")
if !ok { die("does not implement Name() string"); return }
_, ok = extract[descriptionFunc](plugin, "Description")
_, ok = extract[func () string](plugin, "Description")
if !ok { die("does not implement Description() string"); return }
// check for version compatibility
@ -71,11 +66,11 @@ func loadPlugin (path string) {
}
// if it's a backend plugin...
newBackend, ok := extract[backendFactory](plugin, "NewBackend")
newBackend, ok := extract[func () (tomo.Backend, error)](plugin, "NewBackend")
if ok { factories = append(factories, newBackend) }
// if it's a theme plugin...
newTheme, ok := extract[themeFactory](plugin, "NewTheme")
newTheme, ok := extract[func () tomo.Theme](plugin, "NewTheme")
if ok { theme = newTheme() }
println("nasin: loaded plugin", name())

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@ -14,7 +14,7 @@ func init () {
"/usr/lib/nasin/plugins",
"/usr/local/lib/nasin/plugins")
homeDir, err := os.UserHomeDir()
if err != nil {
if err == nil {
pluginPaths = append (
pluginPaths,
filepath.Join(homeDir, ".local/lib/nasin/plugins"))