Add commands and key bindings

src/keybindings.go

@@ -0,0 +1,133 @@
+package main
+
+import (
+	"github.com/gdamore/tcell/v2"
+	"strings"
+)
+
+type Keybinding struct {
+	keybind string
+	command string
+}
+
+var Keybinds = make([]Keybinding, 0)
+
+func initKeybindings() {
+	// Add key bindings
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Ctrl-Q",
+		command: "quit",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Ctrl-C",
+		command: "copy",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Ctrl-V",
+		command: "paste",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Ctrl-S",
+		command: "save",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Ctrl-O",
+		command: "open",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Ctrl-R",
+		command: "reload",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "PgUp",
+		command: "prev-buffer",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "PgDn",
+		command: "next-buffer",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Ctrl-N",
+		command: "new-buffer",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Delete",
+		command: "close-buffer",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "Ctrl-Q",
+		command: "quit",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "F1",
+		command: "menu-file",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "F2",
+		command: "menu-edit",
+	})
+	Keybinds = append(Keybinds, Keybinding{
+		keybind: "F3",
+		command: "menu-buffers",
+	})
+}
+
+func (keybind *Keybinding) IsPressed(ev *tcell.EventKey) bool {
+	keys := strings.SplitN(keybind.keybind, "+", 2)
+
+	if len(keys) == 0 {
+		return false
+	} else if len(keys) == 1 {
+		for k, v := range tcell.KeyNames {
+			if k != tcell.KeyRune {
+				if keybind.keybind == v {
+					if ev.Key() == k {
+						return true
+					}
+				}
+			} else {
+				if keybind.keybind == string(ev.Rune()) {
+					return true
+				}
+			}
+		}
+	} else {
+		modKey := keys[0]
+		key := keys[1]
+
+		switch modKey {
+		case "Shift":
+			if ev.Modifiers() != tcell.ModShift {
+				return false
+			}
+		case "Alt":
+			if ev.Modifiers() != tcell.ModAlt {
+				return false
+			}
+		case "Ctrl":
+			if ev.Modifiers() != tcell.ModCtrl {
+				return false
+			}
+		case "Meta":
+			if ev.Modifiers() != tcell.ModMeta {
+				return false
+			}
+		}
+
+		for k, v := range tcell.KeyNames {
+			if k != tcell.KeyRune {
+				if key == v {
+					if ev.Key() == k {
+						return true
+					}
+				}
+			}
+		}
+
+		if strings.ToLower(key) == string(ev.Rune()) {
+			return true
+		}
+	}
+
+	return false
+}