293 lines
12 KiB
C
293 lines
12 KiB
C
/*
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* mooterm/mootermbuffer-private.h
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*
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* Copyright (C) 2004-2005 by Yevgen Muntyan <muntyan@math.tamu.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* See COPYING file that comes with this distribution.
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*/
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#ifndef MOOTERM_MOOTERMBUFFER_PRIVATE_H
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#define MOOTERM_MOOTERMBUFFER_PRIVATE_H
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#ifndef MOOTERM_COMPILATION
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#error "This file may not be included directly"
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#endif
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#include <gdk/gdkregion.h>
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#include "mooterm/mootermbuffer.h"
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#include "mooterm/mootermline.h"
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#include "mooterm/mooterm-vt.h"
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G_BEGIN_DECLS
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typedef enum {
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CHARSET_DRAWING = 0,
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CHARSET_ACRSSS = 1,
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CHARSET_ACRSPS = 2,
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CHARSET_UK = 3,
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CHARSET_ASCII = 4
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} CharsetType;
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struct _MooTermBufferPrivate {
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gboolean constructed;
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GPtrArray *lines; /* array of MooTermLine* */
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guint8 modes[MODE_MAX];
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MooTermTextAttr current_attr;
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int single_shift;
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CharsetType GL[4];
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CharsetType current_graph_set;
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/* these are real position and
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dimensions of the screen */
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guint screen_offset;
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guint screen_width;
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guint screen_height;
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/* scrolling region - top and bottom rows */
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guint top_margin;
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guint bottom_margin;
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gboolean scrolling_region_set;
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/* independent of scrolling region */
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guint cursor_row;
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guint cursor_col;
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GList *tab_stops;
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GdkRegion *changed;
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gboolean changed_all;
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gboolean freeze_changed_notify;
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gboolean freeze_cursor_notify;
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};
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typedef enum {
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CLEAR_TAB_AT_CURSOR = 0,
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CLEAR_ALL_TABS = 3
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} ClearTabType;
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void moo_term_buffer_changed (MooTermBuffer *buf);
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void moo_term_buffer_scrollback_changed (MooTermBuffer *buf);
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void moo_term_buffer_cursor_moved (MooTermBuffer *buf);
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void moo_term_buffer_feed_child (MooTermBuffer *buf,
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const char *string,
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int len);
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void moo_term_buffer_freeze_changed_notify (MooTermBuffer *buf);
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void moo_term_buffer_freeze_cursor_notify (MooTermBuffer *buf);
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void moo_term_buffer_thaw_changed_notify (MooTermBuffer *buf);
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void moo_term_buffer_thaw_cursor_notify (MooTermBuffer *buf);
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void moo_term_buffer_reset (MooTermBuffer *buf);
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void moo_term_buffer_soft_reset (MooTermBuffer *buf);
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void moo_term_buffer_set_mode (MooTermBuffer *buf,
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guint mode,
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gboolean val);
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void moo_term_buffer_set_screen_size (MooTermBuffer *buf,
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guint columns,
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guint rows);
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void moo_term_buffer_cursor_move (MooTermBuffer *buf,
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int rows,
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int cols);
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void moo_term_buffer_cursor_move_to (MooTermBuffer *buf,
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int row,
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int col);
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guint moo_term_buffer_next_tab_stop (MooTermBuffer *buf,
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guint current);
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guint moo_term_buffer_prev_tab_stop (MooTermBuffer *buf,
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guint current);
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void moo_term_buffer_clear_tab_stop (MooTermBuffer *buf,
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ClearTabType what);
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void moo_term_buffer_set_tab_stop (MooTermBuffer *buf);
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void moo_term_buffer_select_charset (MooTermBuffer *buf,
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guint set_num,
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guint charset);
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void moo_term_buffer_shift (MooTermBuffer *buf,
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guint set);
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void moo_term_buffer_single_shift (MooTermBuffer *buf,
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guint set);
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void moo_term_buffer_set_scrolling_region (MooTermBuffer *buf,
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guint top_margin,
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guint bottom_margin);
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void moo_term_buffer_set_ca_mode (MooTermBuffer *buf,
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gboolean set);
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inline static guint buf_scrollback (MooTermBuffer *buf)
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{
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if (buf_get_mode (MODE_CA))
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return 0;
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else
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return buf->priv->screen_offset;
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}
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inline static guint buf_total_height (MooTermBuffer *buf)
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{
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return buf_scrollback (buf) + buf->priv->screen_height;
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}
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inline static guint buf_screen_width (MooTermBuffer *buf)
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{
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return buf->priv->screen_width;
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}
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inline static guint buf_screen_height (MooTermBuffer *buf)
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{
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return buf->priv->screen_height;
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}
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inline static guint buf_cursor_row (MooTermBuffer *buf)
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{
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return buf->priv->cursor_row;
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}
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inline static guint buf_cursor_row_abs (MooTermBuffer *buf)
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{
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return buf->priv->cursor_row + buf_scrollback (buf);
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}
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inline static guint buf_cursor_col (MooTermBuffer *buf)
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{
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return buf->priv->cursor_col;
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}
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inline static GdkRegion *buf_get_changed(MooTermBuffer *buf)
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{
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return buf->priv->changed;
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}
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#define buf_changed_add_rect(buf,rect) \
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G_STMT_START { \
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if (!buf->priv->changed_all) \
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{ \
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if (buf->priv->changed) \
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gdk_region_union_with_rect (buf->priv->changed, &rect); \
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else \
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buf->priv->changed = gdk_region_rectangle (&rect); \
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} \
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} G_STMT_END
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#define buf_changed_add_range(buf, row, start, len) \
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G_STMT_START { \
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if (!buf->priv->changed_all) \
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{ \
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GdkRectangle rec = {start, row, len, 1}; \
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buf_changed_add_rect (buf, rec); \
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} \
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} G_STMT_END
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#define buf_changed_set_all(buf) \
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G_STMT_START { \
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if (!buf->priv->changed_all) \
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{ \
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GdkRectangle rec = { \
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0, 0, buf->priv->screen_width, buf->priv->screen_height \
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}; \
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buf_changed_add_rect (buf, rec); \
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buf->priv->changed_all = TRUE; \
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} \
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} G_STMT_END
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#define buf_set_attrs_mask(mask_) buf->priv->current_attr.mask = (mask_)
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#define buf_add_attrs_mask(mask_) buf->priv->current_attr.mask |= (mask_)
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#define buf_remove_attrs_mask(mask_) buf->priv->current_attr.mask &= ~(mask_)
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MooTermLine *moo_term_buffer_get_line (MooTermBuffer *buf,
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guint n);
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#define buf_line moo_term_buffer_get_line
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inline static MooTermLine *buf_screen_line (MooTermBuffer *buf,
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guint n)
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{
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g_assert (n < buf->priv->screen_height);
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return g_ptr_array_index (buf->priv->lines,
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n + buf->priv->screen_offset);
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}
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/*****************************************************************************/
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/* Terminal stuff
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*/
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/* fixed values */
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typedef enum {
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ERASE_FROM_CURSOR = 0,
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ERASE_TO_CURSOR = 1,
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ERASE_ALL = 2
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} EraseType;
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void moo_term_buffer_new_line (MooTermBuffer *buf);
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void moo_term_buffer_index (MooTermBuffer *buf);
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void moo_term_buffer_backspace (MooTermBuffer *buf);
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void moo_term_buffer_tab (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_back_tab (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_cuu (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_cud (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_cursor_next_line (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_cursor_prev_line (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_linefeed (MooTermBuffer *buf);
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void moo_term_buffer_carriage_return (MooTermBuffer *buf);
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void moo_term_buffer_reverse_index (MooTermBuffer *buf);
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void moo_term_buffer_sgr (MooTermBuffer *buf,
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int *args,
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guint args_len);
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void moo_term_buffer_delete_char (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_delete_line (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_erase_char (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_erase_in_display (MooTermBuffer *buf,
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EraseType what);
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void moo_term_buffer_erase_in_line (MooTermBuffer *buf,
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EraseType what);
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void moo_term_buffer_insert_char (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_insert_line (MooTermBuffer *buf,
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guint n);
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void moo_term_buffer_erase_range (MooTermBuffer *buf,
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guint row,
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guint col,
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guint len);
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void moo_term_buffer_cup (MooTermBuffer *buf,
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guint row,
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guint col);
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void moo_term_buffer_decaln (MooTermBuffer *buf);
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G_END_DECLS
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#endif /* MOOTERM_MOOTERMBUFFER_PRIVATE_H */
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