Add plugin hooks and mode plugins

1 files changed, 93 insertions, 45 deletions

diff --git a/include/types.h b/include/types.h
index 800c3d6..2b63ad3 100644
--- a/include/types.h
+++ b/include/types.h
@@ -7,6 +7,7 @@ typedef struct ecex ecex_t;
 typedef struct buffer buffer_t;
 typedef struct ecex_window ecex_window_t;
 typedef struct ecex_draw_context ecex_draw_context_t;
+typedef struct ecex_plugin_runtime ecex_plugin_runtime_t;
 
 typedef int (*ecex_command_fn)(ecex_t *ed);
 typedef int (*ecex_interactive_line_fn)(ecex_t *ed, buffer_t *buffer, size_t line, const char *payload, void *userdata);
@@ -18,6 +19,37 @@ typedef int (*ecex_buffer_tick_ms_fn)(ecex_t *ed, buffer_t *buffer, int now_ms,
 typedef int (*ecex_buffer_mouse_fn)(ecex_t *ed, buffer_t *buffer, int event, int x, int y, int button, void *userdata);
 typedef int (*ecex_file_handler_fn)(ecex_t *ed, buffer_t *buffer);
 typedef void (*ecex_buffer_userdata_free_fn)(void *userdata);
+typedef void (*ecex_hook_free_fn)(void *userdata);
+typedef void (*ecex_command_hook_fn)(ecex_t *ed, const char *command, int event, int result, void *userdata);
+typedef void (*ecex_prefix_hook_fn)(ecex_t *ed, const char *prefix, int event, void *userdata);
+typedef void (*ecex_buffer_hook_fn)(ecex_t *ed, buffer_t *buffer, int event, void *userdata);
+typedef int (*ecex_completion_provider_fn)(ecex_t *ed,
+                                           buffer_t *buffer,
+                                           const char *prefix,
+                                           char *out,
+                                           size_t out_size,
+                                           void *userdata);
+
+typedef enum ecex_command_hook_event {
+    ECEX_COMMAND_HOOK_BEFORE = 1,
+    ECEX_COMMAND_HOOK_AFTER = 2,
+} ecex_command_hook_event_t;
+
+typedef enum ecex_prefix_hook_event {
+    ECEX_PREFIX_HOOK_BEGIN = 1,
+    ECEX_PREFIX_HOOK_UPDATE = 2,
+    ECEX_PREFIX_HOOK_CANCEL = 3,
+    ECEX_PREFIX_HOOK_FINISH = 4,
+    ECEX_PREFIX_HOOK_UNDEFINED = 5,
+} ecex_prefix_hook_event_t;
+
+typedef enum ecex_buffer_hook_event {
+    ECEX_BUFFER_HOOK_CREATE = 1,
+    ECEX_BUFFER_HOOK_SWITCH = 2,
+    ECEX_BUFFER_HOOK_SAVE = 3,
+    ECEX_BUFFER_HOOK_KILL = 4,
+    ECEX_BUFFER_HOOK_MODE_CHANGE = 5,
+} ecex_buffer_hook_event_t;
 
 typedef enum ecex_prompt_request {
     ECEX_PROMPT_NONE = 0,
@@ -154,6 +186,7 @@ struct buffer {
     void *media_pipe;
     double media_last_frame_time;
     int media_playing;
+    int media_audio_pid;
     char media_status[256];
 
     ecex_buffer_render_fn render_fn;
@@ -198,42 +231,43 @@ typedef struct ecex_mode_keybind {
     char *command;
 } ecex_mode_keybind_t;
 
-typedef struct ecex_major_mode {
-    int id;
+typedef struct ecex_command_hook {
     char *name;
-} ecex_major_mode_t;
+    ecex_command_hook_fn fn;
+    void *userdata;
+    ecex_hook_free_fn free_fn;
+} ecex_command_hook_t;
 
-typedef enum ecex_var_kind {
-    ECEX_VAR_BYTES = 0,
-    ECEX_VAR_I32 = 1,
-} ecex_var_kind_t;
+typedef struct ecex_prefix_hook {
+    char *name;
+    ecex_prefix_hook_fn fn;
+    void *userdata;
+    ecex_hook_free_fn free_fn;
+} ecex_prefix_hook_t;
 
-typedef struct ecex_var_entry {
-    void *owner;
+typedef struct ecex_buffer_hook {
     char *name;
-    void *data;
-    size_t elem_size;
-    size_t count;
-    int kind;
-    int dynamic;
-} ecex_var_entry_t;
-
-typedef struct ecex_text_entry {
-    void *owner;
-    int id;
-    char *text;
-    size_t len;
-} ecex_text_entry_t;
+    ecex_buffer_hook_fn fn;
+    void *userdata;
+    ecex_hook_free_fn free_fn;
+} ecex_buffer_hook_t;
 
-typedef struct ecex_file_handler {
-    char *extension;
-    ecex_file_handler_fn fn;
-} ecex_file_handler_t;
+typedef struct ecex_completion_provider {
+    char *name;
+    int mode;
+    ecex_completion_provider_fn fn;
+    void *userdata;
+    ecex_hook_free_fn free_fn;
+    char *detail;
+    char **words;
+    size_t word_count;
+    int flags;
+} ecex_completion_provider_t;
 
-typedef struct ecex_object_entry {
-    void *ptr;
-    size_t size;
-} ecex_object_entry_t;
+typedef struct ecex_major_mode {
+    int id;
+    char *name;
+} ecex_major_mode_t;
 
 struct ecex_window {
     buffer_t *buffer;
@@ -273,26 +307,34 @@ struct ecex {
     size_t mode_keybind_cap;
     size_t mode_keybind_count;
 
+    ecex_command_hook_t *command_hooks;
+    size_t command_hook_cap;
+    size_t command_hook_count;
+
+    ecex_prefix_hook_t *prefix_hooks;
+    size_t prefix_hook_cap;
+    size_t prefix_hook_count;
+
+    ecex_buffer_hook_t *buffer_hooks;
+    size_t buffer_hook_cap;
+    size_t buffer_hook_count;
+
+    ecex_completion_provider_t *completion_providers;
+    size_t completion_provider_cap;
+    size_t completion_provider_count;
+    int completion_cycle_active;
+    buffer_t *completion_cycle_buffer;
+    size_t completion_cycle_start;
+    size_t completion_cycle_index;
+    char completion_cycle_prefix[256];
+    char completion_cycle_current[256];
+
     ecex_major_mode_t *major_modes;
     size_t major_mode_cap;
     size_t major_mode_count;
     int next_major_mode_id;
 
-    ecex_var_entry_t *vars;
-    size_t var_cap;
-    size_t var_count;
-
-    ecex_text_entry_t *texts;
-    size_t text_cap;
-    size_t text_count;
-
-    ecex_file_handler_t *file_handlers;
-    size_t file_handler_cap;
-    size_t file_handler_count;
-
-    ecex_object_entry_t *objects;
-    size_t object_cap;
-    size_t object_count;
+    ecex_plugin_runtime_t *plugins;
 
     char *last_eval_source;
     char *last_eval_filename;
@@ -305,13 +347,19 @@ struct ecex {
     char prompt_message[128];
 
     char *config_path;
+    char message[1024];
+    unsigned long message_revision;
 
     ecex_clipboard_get_fn clipboard_get;
     ecex_clipboard_set_fn clipboard_set;
     void *clipboard_userdata;
+    char *clipboard_text;
 
     int should_quit;
 
+    unsigned long ui_revision;
+    unsigned long font_revision;
+
     ecex_theme_t theme;
 };