From 2cd73992ef519eb1aaf6c83abe87a34dadf7ac31 Mon Sep 17 00:00:00 2001
From: pommicket <pommicket@gmail.com>
Date: Sat, 5 Aug 2023 10:33:26 -0400
Subject: add some functions for plug-ins

---
 buffer.c | 20 ++++++++++++++++++++
 main.c   |  2 +-
 ted.c    |  8 ++++++++
 ted.h    | 17 +++++++++++++++++
 4 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/buffer.c b/buffer.c
index fae8924..2ce9fdf 100644
--- a/buffer.c
+++ b/buffer.c
@@ -66,6 +66,26 @@ bool buffer_is_named_file(TextBuffer *buffer) {
 	return buffer->path != NULL;
 }
 
+
+bool buffer_is_view_only(TextBuffer *buffer) {
+	return buffer->view_only;
+}
+
+void buffer_set_view_only(TextBuffer *buffer, bool view_only) {
+	buffer->view_only = view_only;
+}
+
+size_t buffer_get_path(TextBuffer *buffer, char *buf, size_t bufsz) {
+	if (!buffer->path) {
+		if (bufsz) *buf = '\0';
+		return 1;
+	}
+	if (bufsz > 0) {
+		str_cpy(buf, bufsz, buffer->path);
+	}
+	return strlen(buffer->path) + 1;
+}
+
 const char *buffer_display_filename(TextBuffer *buffer) {
 	return buffer->path ? path_filename(buffer->path) : BUFFER_UNTITLED;
 }
diff --git a/main.c b/main.c
index 16941bc..4547a54 100644
--- a/main.c
+++ b/main.c
@@ -957,7 +957,7 @@ int main(int argc, char **argv) {
 		Font *font = ted->font;
 
 		// default window title
-		strcpy(ted->window_title, "ted");
+		ted_set_window_title(ted, "ted");
 		
 		{
 			const float padding = ted_active_settings(ted)->padding;
diff --git a/ted.c b/ted.c
index 7c1743b..75713c6 100644
--- a/ted.c
+++ b/ted.c
@@ -38,6 +38,14 @@ static void ted_vset_message(Ted *ted, MessageType type, const char *fmt, va_lis
 	}
 }
 
+TextBuffer *ted_get_active_buffer(Ted *ted) {
+	return ted->active_buffer;
+}
+
+void ted_set_window_title(Ted *ted, const char *title) {
+	strbuf_cpy(ted->window_title, title);
+}
+
 bool ted_is_key_down(Ted *ted, SDL_Keycode key) {
 	// not currently used but there might be a reason for it in the future
 	(void)ted;
diff --git a/ted.h b/ted.h
index b8759d0..552d2ec 100644
--- a/ted.h
+++ b/ted.h
@@ -946,6 +946,15 @@ typedef struct Ted {
 } Ted;
 
 // === buffer.c ===
+/// Returns `true` if the buffer is in view-only mode.
+bool buffer_is_view_only(TextBuffer *buffer);
+/// Set whether the buffer should be in view only mode.
+void buffer_set_view_only(TextBuffer *buffer, bool view_only);
+/// Get path to buffer's file. At most `bufsz` bytes are written to `buf`.
+///
+/// Returns the number of bytes needed to store the path including a null terminator,
+/// or 1 if the buffer is unnamed.
+size_t buffer_get_path(TextBuffer *buffer, char *buf, size_t bufsz);
 /// Does this buffer have an error?
 bool buffer_has_error(TextBuffer *buffer);
 /// get buffer error
@@ -986,6 +995,7 @@ bool buffer_cursor_move_to_matching_bracket(TextBuffer *buffer);
 void buffer_pos_validate(TextBuffer *buffer, BufferPos *p);
 /// is this a valid buffer position?
 bool buffer_pos_valid(TextBuffer *buffer, BufferPos p);
+/// get programming language of buffer contents
 Language buffer_language(TextBuffer *buffer);
 /// clip the rectangle so it's all inside the buffer. returns true if there's any rectangle left.
 bool buffer_clip_rect(TextBuffer *buffer, Rect *r);
@@ -1037,6 +1047,7 @@ void buffer_text_dimensions(TextBuffer *buffer, u32 *lines, u32 *columns);
 float buffer_display_lines(TextBuffer *buffer);
 /// returns the number of columns of text that can fit in the buffer
 float buffer_display_cols(TextBuffer *buffer);
+/// scroll by deltas
 void buffer_scroll(TextBuffer *buffer, double dx, double dy);
 /// returns the screen position of the character at the given position in the buffer.
 vec2 buffer_pos_to_pixels(TextBuffer *buffer, BufferPos pos);
@@ -1047,6 +1058,7 @@ bool buffer_pixels_to_pos(TextBuffer *buffer, vec2 pixel_coords, BufferPos *pos)
 void buffer_scroll_to_pos(TextBuffer *buffer, BufferPos pos);
 /// scroll in such a way that this position is in the center of the screen
 void buffer_scroll_center_pos(TextBuffer *buffer, BufferPos pos);
+/// scroll so that the cursor is on screen
 void buffer_scroll_to_cursor(TextBuffer *buffer);
 /// scroll so that the cursor is in the center of the buffer's rectangle.
 void buffer_center_cursor(TextBuffer *buffer);
@@ -1058,6 +1070,7 @@ i64 buffer_pos_move_right(TextBuffer *buffer, BufferPos *pos, i64 by);
 i64 buffer_pos_move_up(TextBuffer *buffer, BufferPos *pos, i64 by);
 /// returns the number of lines successfully moved by.
 i64 buffer_pos_move_down(TextBuffer *buffer, BufferPos *pos, i64 by);
+/// set cursor position
 void buffer_cursor_move_to_pos(TextBuffer *buffer, BufferPos pos);
 /// returns the number of characters successfully moved by.
 i64 buffer_cursor_move_left(TextBuffer *buffer, i64 by);
@@ -1677,6 +1690,10 @@ SymbolInfo *tags_get_symbols(Ted *ted);
 // === ted.c ===
 /// for fatal errors
 void die(PRINTF_FORMAT_STRING const char *fmt, ...) ATTRIBUTE_PRINTF(1, 2);
+/// returns the current active buffer, or NULL if no buffer is active.
+TextBuffer *ted_get_active_buffer(Ted *ted);
+/// set title of ted window
+void ted_set_window_title(Ted *ted, const char *title);
 /// returns `true` if the given key is down
 bool ted_is_key_down(Ted *ted, SDL_Keycode key);
 /// returns `true` if the given \ref KeyCombo is down
-- 
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