X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=visor;a=blobdiff_plain;f=libvisor%2Finclude%2Fvisor.h;h=c17e7d8af9f3cdf6494b4a65c36ddde7954e1ee6;hp=73fb7dc5aa956af80c5478770f91ab2bf3c4aa06;hb=96580df84cb93802bfce917086596bc81ebec724;hpb=2e3cec9f53a10e7c71da4a0d999a00bddae2935c

diff --git a/libvisor/include/visor.h b/libvisor/include/visor.h
index 73fb7dc..c17e7d8 100644
--- a/libvisor/include/visor.h
+++ b/libvisor/include/visor.h
@@ -69,10 +69,16 @@ struct vi_alloc {
 	void *(*realloc)(void*, unsigned long);	/* can be null, will use malloc/free */
 };
 
+/* open flags (same as POSIX O_*) */
+enum { VI_RDONLY, VI_WRONLY, VI_RDWR, VI_CREAT = 0x100 };
+/* seek origin (same as C SEEK_*) */
+enum { VI_SEEK_SET, VI_SEEK_CUR, VI_SEEK_END };
+
+
 struct vi_fileops {
-	vi_file *(*open)(const char *path);
-	long (*size)(vi_file *file);
+	vi_file *(*open)(const char *path, unsigned int flags);
 	void (*close)(vi_file *file);
+	long (*size)(vi_file *file);
 	void *(*map)(vi_file *file);
 	void (*unmap)(vi_file *file);
 	long (*read)(vi_file *file, void *buf, long count);
@@ -91,6 +97,7 @@ struct vi_ttyops {
 	void (*del_back)(void *cls);
 	void (*del_fwd)(void *cls);
 	void (*status)(char *s, void *cls);
+	void (*flush)(void *cls);
 };
 
 /* Create a new instance of the visor editor.
@@ -105,6 +112,9 @@ void vi_destroy(struct visor *vi);
 void vi_set_fileops(struct visor *vi, struct vi_fileops *fop);
 void vi_set_ttyops(struct visor *vi, struct vi_ttyops *tty);
 
+void vi_term_size(struct visor *vi, int xsz, int ysz);
+void vi_redraw(struct visor *vi);
+
 /* vi_new_buf creates a new buffer and inserts it in the buffer list. If the
  * path pointer is null, the new buffer will be empty, otherwise it's as if it
  * was followed by a vi_buf_read call to read a file into the buffer.
@@ -136,8 +146,12 @@ int vi_buf_read(struct vi_buffer *vb, const char *path);
 int vi_buf_write(struct vi_buffer *vb, const char *path);
 long vi_buf_size(struct vi_buffer *vb);
 
-/* find the span which corresponds to the specified text position */
-struct vi_span *vi_buf_find_span(struct vi_buffer *vb, vi_addr at);
+/* find the span which corresponds to the specified text position
+ * if soffs is not null, the relative offset of the specified address from the
+ * start of the span is stored there.
+ */
+struct vi_span *vi_buf_find_span(struct vi_buffer *vb, vi_addr at, vi_addr *soffs);
+const char *vi_buf_span_text(struct vi_buffer *vb, struct vi_span *span);
 
 void vi_buf_ins_begin(struct vi_buffer *vb, vi_motion mot);
 void vi_buf_insert(struct vi_buffer *vb, char *s);
@@ -146,4 +160,8 @@ void vi_buf_ins_end(struct vi_buffer *vb);
 void vi_buf_del(struct vi_buffer *vb, vi_motion mot);
 void vi_buf_yank(struct vi_buffer *vb, vi_motion mot);
 
+
+/* high level user input handling */
+void vi_keypress(struct visor *vi, int key);
+
 #endif	/* LIB_VISOR_TEXTED_CORE_H_ */