Hooks sketch

src/text_editor/config.cpp

@@ -28,6 +28,12 @@ struct Trigger {
     };
 };
 
+struct CachedTrigger {
+    Trigger *trigger;
+    String key;
+};
+Array<CachedTrigger> CachedTriggers;
+
 void Advance(Lexer *lex) {
     if (lex->at < lex->end) {
         if (lex->at[0] == '\n') {
@@ -168,12 +174,6 @@ Trigger *ParseKey(Allocator allocator, String key, char *debug_name) {
     return result;
 }
 
-struct CachedTrigger {
-    Trigger *trigger;
-    String key;
-};
-Array<CachedTrigger> CachedTriggers;
-
 Trigger *ParseKeyCached(String key) {
     key = Trim(key);
     if (key.len == 0) {

src/text_editor/text_editor.h

@@ -7,6 +7,12 @@ struct WindowID { Int id; Window *o; };
 union  Range { struct { Int min; Int max; }; Int e[2]; };
 struct Caret { union  { Range range; Int pos[2]; }; Int ifront;};
 struct XY    { Int col; Int line; };
+typedef void Function();
+
+struct FunctionData {
+    String name;
+    Function *function;
+};
 
 struct Edit {
     Range    range;
@@ -51,10 +57,53 @@ struct Buffer {
     };
 };
 
-typedef void Function();
-struct FunctionData {
+enum HookKind {
+    HookKind_Invalid,
+
+    HookKind_AppInit,
+    HookKind_AppUpdate,
+    HookKind_AppExit,
+
+    HookKind_Binding,
+
+    HookKind_BeforeLayoutWindow,
+    HookKind_HandleLayoutWindow,
+    HookKind_AfterLayoutWindow,
+
+    HookKind_BeforeRenderWindow,
+    HookKind_HandleRenderWindow,
+    HookKind_AfterRenderWindow,
+
+    HookKind_BeforeBufferSave,
+    HookKind_HandleBufferSave,
+    HookKind_AfterBufferSave,
+
+    HookKind_BeforeBufferOpen,
+    HookKind_HandleBufferOpen,
+    HookKind_AfterBufferOpen,
+
+    HookKind_ViewUpdate,
+};
+
+// Global hooks, per (window, view, buffer) hooks
+
+struct HookParam {
+    struct Hook *hook;
+    Buffer *buffer;
+    View *view;
+    Window *window;
+};
+
+typedef void HookFunction(HookParam *param);
+struct Hook {
+    HookKind kind;
     String name;
-    Function *function;
+    String doc;
+    HookFunction *function;
+
+    // HookKind_Binding
+    String binding;
+    struct Trigger *trigger;
 };
 
 struct CommandData {