1 files changed, 172 insertions, 0 deletions
diff --git a/src/fe-text/textbuffer-view.h b/src/fe-text/textbuffer-view.h
new file mode 100644
index 0000000..4e5ed82
--- /dev/null
+++ b/src/fe-text/textbuffer-view.h
@@ -0,0 +1,172 @@
+#ifndef IRSSI_FE_TEXT_TEXTBUFFER_VIEW_H
+#define IRSSI_FE_TEXT_TEXTBUFFER_VIEW_H
+
+#include <irssi/src/fe-text/textbuffer.h>
+#include <irssi/src/fe-text/term.h>
+
+typedef struct _TEXT_BUFFER_VIEW_REC TEXT_BUFFER_VIEW_REC;
+
+/* if ypos == -1, don't print anything, just return the indent size */
+typedef int (*INDENT_FUNC) (TEXT_BUFFER_VIEW_REC *view,
+			    LINE_REC *line, int ypos);
+
+typedef struct {
+	const unsigned char *start;
+	int indent;
+        INDENT_FUNC indent_func;
+	int color;
+#ifdef TERM_TRUECOLOR
+	unsigned int fg24, bg24;
+#endif
+
+	/* first word in line belong to the end of the last word in
+	   previous line */
+	unsigned int continues:1;
+} LINE_CACHE_SUB_REC;
+
+typedef struct {
+	time_t last_access;
+
+	char *line_text;
+	int count; /* number of real lines */
+
+	/* variable sized array, actually. starts from the second line,
+	   so size of it is count-1 */
+	LINE_CACHE_SUB_REC lines[1];
+} LINE_CACHE_REC;
+
+typedef struct {
+	int refcount;
+	int width;
+
+	GHashTable *line_cache;
+
+	/* should contain the same value for each cache that uses the
+	   same buffer */
+	unsigned char update_counter;
+        /* number of real lines used by the last line in buffer */
+	int last_linecount;
+} TEXT_BUFFER_CACHE_REC;
+
+struct _TEXT_BUFFER_VIEW_REC {
+	TEXT_BUFFER_REC *buffer;
+	/* other views that use the same buffer */
+	GSList *siblings;
+
+        TERM_WINDOW *window;
+	int width, height;
+
+	int default_indent;
+        INDENT_FUNC default_indent_func;
+
+	TEXT_BUFFER_CACHE_REC *cache;
+	/* cursor position - visible area is 0..height-1 */
+	int ypos;
+
+	 /* line at the top of the screen */
+	LINE_REC *startline;
+	/* number of "real lines" to skip from `startline' */
+	int subline;
+
+        /* marks the bottom of the text buffer */
+	LINE_REC *bottom_startline;
+	int bottom_subline;
+
+	/* Bookmarks to the lines in the buffer - removed automatically
+	   when the line gets removed from buffer */
+        GHashTable *bookmarks;
+
+	/* these levels should be hidden */
+	int hidden_level;
+	/* how many empty lines are in screen. a screenful when started
+	   or used /CLEAR */
+	int empty_linecount;
+
+	unsigned int longword_noindent:1;
+	/* scroll down automatically when at bottom */
+	unsigned int scroll:1;
+	/* use UTF8 in this view */
+	unsigned int utf8:1;
+	/* Break wide chars in this view */
+	unsigned int break_wide:1;
+        /* window is at the bottom of the text buffer */
+	unsigned int bottom:1;
+        /* if !bottom - new text has been printed since we were at bottom */
+	unsigned int more_text:1;
+        /* Window needs a redraw */
+	unsigned int dirty:1;
+};
+
+/* Create new view. */
+TEXT_BUFFER_VIEW_REC *textbuffer_view_create(TEXT_BUFFER_REC *buffer,
+					     int width, int height,
+					     int scroll, int utf8);
+/* Destroy the view. */
+void textbuffer_view_destroy(TEXT_BUFFER_VIEW_REC *view);
+/* Change the default indent position */
+void textbuffer_view_set_default_indent(TEXT_BUFFER_VIEW_REC *view,
+					int default_indent,
+					int longword_noindent,
+					INDENT_FUNC indent_func);
+void textbuffer_views_unregister_indent_func(INDENT_FUNC indent_func);
+void textbuffer_view_set_break_wide(TEXT_BUFFER_VIEW_REC *view,
+				    gboolean break_wide);
+
+void textbuffer_view_set_scroll(TEXT_BUFFER_VIEW_REC *view, int scroll);
+void textbuffer_view_set_utf8(TEXT_BUFFER_VIEW_REC *view, int utf8);
+
+/* Resize the view. */
+void textbuffer_view_resize(TEXT_BUFFER_VIEW_REC *view, int width, int height);
+/* Clear the view, don't actually remove any lines from buffer. */
+void textbuffer_view_clear(TEXT_BUFFER_VIEW_REC *view);
+
+#define textbuffer_view_get_lines(view) \
+        ((view)->buffer->first_line)
+
+/* Scroll the view up/down */
+void textbuffer_view_scroll(TEXT_BUFFER_VIEW_REC *view, int lines);
+/* Scroll to specified line */
+void textbuffer_view_scroll_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line);
+/* Return line cache */
+LINE_CACHE_REC *textbuffer_view_get_line_cache(TEXT_BUFFER_VIEW_REC *view,
+					       LINE_REC *line);
+/* Reset the whole line cache */
+void textbuffer_view_reset_cache(TEXT_BUFFER_VIEW_REC *view);
+
+/*
+   Functions for manipulating the text buffer, using these commands update
+   all views that use the buffer.
+*/
+
+/* Update some line in the buffer which has been modified using
+   textbuffer_append() or textbuffer_insert(). */
+void textbuffer_view_insert_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line);
+/* Remove one line from buffer. */
+void textbuffer_view_remove_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line);
+/* Remove all lines from buffer. */
+void textbuffer_view_remove_all_lines(TEXT_BUFFER_VIEW_REC *view);
+void textbuffer_view_remove_lines_by_level(TEXT_BUFFER_VIEW_REC *view, int level);
+
+/* Set a bookmark in view */
+void textbuffer_view_set_bookmark(TEXT_BUFFER_VIEW_REC *view,
+				  const char *name, LINE_REC *line);
+/* Set a bookmark in view to the bottom line */
+void textbuffer_view_set_bookmark_bottom(TEXT_BUFFER_VIEW_REC *view,
+					 const char *name);
+/* Return the line for bookmark */
+LINE_REC *textbuffer_view_get_bookmark(TEXT_BUFFER_VIEW_REC *view,
+				       const char *name);
+/* Set hidden level for view */
+void textbuffer_view_set_hidden_level(TEXT_BUFFER_VIEW_REC *view, int level);
+
+/* Specify window where the changes in view should be drawn,
+   NULL disables it. */
+void textbuffer_view_set_window(TEXT_BUFFER_VIEW_REC *view,
+				TERM_WINDOW *window);
+/* Redraw the view */
+void textbuffer_view_redraw(TEXT_BUFFER_VIEW_REC *view);
+
+void textbuffer_view_init(void);
+void textbuffer_view_deinit(void);
+
+#endif