view: remove ViewEvent infrastructure

The only used event handler was used to update the '< and '>
marks which is now taken care of by the leave handler of the
visual modes.

view.c

@@ -67,7 +67,6 @@ struct Cursor {             /* cursor position */
 struct View {
 	Text *text;         /* underlying text management */
 	UiWin *ui;
-	ViewEvent *events;
 	int width, height;  /* size of display area */
 	Filepos start, end; /* currently displayed area [start, end] in bytes from the start of the file */
 	Filepos start_last; /* previously used start of visible area, used to update the mark */
@@ -580,9 +579,6 @@ void view_update(View *view) {
 					}
 				}
 			}
-
-			if (view->events && view->events->selection)
-				view->events->selection(view->events->data, &sel);
 		}
 	}
 
@@ -637,7 +633,7 @@ void view_reload(View *view, Text *text) {
 	view_cursor_to(view, 0);
 }
 
-View *view_new(Text *text, lua_State *lua, ViewEvent *events) {
+View *view_new(Text *text, lua_State *lua) {
 	if (!text)
 		return NULL;
 	View *view = calloc(1, sizeof(View));
@@ -650,7 +646,6 @@ View *view_new(Text *text, lua_State *lua, ViewEvent *events) {
 
 	view->text = text;
 	view->lua = lua;
-	view->events = events;
 	view->tabwidth = 8;
 	view_options_set(view, 0);
 

view.h

@@ -12,11 +12,6 @@ typedef struct View View;
 typedef struct Cursor Cursor;
 typedef struct Selection Selection;
 
-typedef struct {
-	void *data;
-	void (*selection)(void *data, Filerange*);
-} ViewEvent;
-
 typedef struct {
 	int width;          /* display width i.e. number of columns ocupied by this character */
 	size_t len;         /* number of bytes the character displayed in this cell uses, for
@@ -45,7 +40,7 @@ typedef struct {
 	size_t col;
 } CursorPos;
 
-View *view_new(Text*, lua_State*, ViewEvent*);
+View *view_new(Text*, lua_State*);
 void view_ui(View*, UiWin*);
 /* change associated text displayed in this window */
 void view_reload(View*, Text*);

vis-cmds.c

@@ -365,7 +365,7 @@ static const char *file_open_dialog(Vis *vis, const char *pattern) {
 	Text *txt_orig = file->text;
 	View *view_orig = win->view;
 	Text *txt = text_load(NULL);
-	View *view = view_new(txt, NULL, NULL);
+	View *view = view_new(txt, NULL);
 	filename[0] = '\0';
 	snprintf(vis_open, sizeof(vis_open)-1, "vis-open %s", pattern ? pattern : "");
 

vis-core.h

@@ -117,7 +117,6 @@ struct Win {
 	UiWin *ui;              /* ui object handling visual appearance of this window */
 	File *file;             /* file being displayed in this window */
 	View *view;             /* currently displayed part of underlying text */
-	ViewEvent events;
 	RingBuffer *jumplist;   /* LRU jump management */
 	ChangeList changelist;  /* state for iterating through least recently changes */
 	Win *prev, *next;       /* neighbouring windows */

vis.c

@@ -158,14 +158,6 @@ static void windows_invalidate(Vis *vis, size_t start, size_t end) {
 	view_draw(vis->win->view);
 }
 
-static void window_selection_changed(void *win, Filerange *sel) {
-	File *file = ((Win*)win)->file;
-	if (text_range_valid(sel)) {
-		file->marks[MARK_SELECTION_START] = text_mark_set(file->text, sel->start);
-		file->marks[MARK_SELECTION_END] = text_mark_set(file->text, sel->end);
-	}
-}
-
 static void window_free(Win *win) {
 	if (!win)
 		return;
@@ -183,12 +175,8 @@ static Win *window_new_file(Vis *vis, File *file) {
 		return NULL;
 	win->vis = vis;
 	win->file = file;
-	win->events = (ViewEvent) {
-		.data = win,
-		.selection = window_selection_changed,
-	};
 	win->jumplist = ringbuf_alloc(31);
-	win->view = view_new(file->text, vis->lua, &win->events);
+	win->view = view_new(file->text, vis->lua);
 	win->ui = vis->ui->window_new(vis->ui, win->view, file);
 	if (!win->jumplist || !win->view || !win->ui) {
 		window_free(win);
@@ -382,7 +370,7 @@ Vis *vis_new(Ui *ui) {
 		goto err;
 	if (!(vis->prompt->file->text = text_load(NULL)))
 		goto err;
-	if (!(vis->prompt->view = view_new(vis->prompt->file->text, NULL, NULL)))
+	if (!(vis->prompt->view = view_new(vis->prompt->file->text, NULL)))
 		goto err;
 	if (!(vis->prompt->ui = vis->ui->prompt_new(vis->ui, vis->prompt->view, vis->prompt->file)))
 		goto err;