109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/*
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* mooterm/mooterm-selection.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_MOOTERM_SELECTION_H
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#define MOOTERM_MOOTERM_SELECTION_H
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#include <glib.h>
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G_BEGIN_DECLS
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enum {
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NOT_SELECTED = 0,
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FULL_SELECTED = 1,
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PART_SELECTED = 2
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};
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#define SELECT_SCROLL_NONE (0)
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#define SELECT_SCROLL_UP (-1)
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#define SELECT_SCROLL_DOWN (1)
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struct _TermSelection {
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guint screen_width;
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/* absolute coordinates in the buffer
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selected range is [(l_row, l_col), (r_row, r_col))
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l_row, l_col and r_row are valid
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r_col may be equal to _width */
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guint l_row;
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guint l_col;
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guint r_row;
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guint r_col;
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gboolean empty;
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gboolean button_pressed;
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int click;
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gboolean drag;
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// buffer coordinates
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guint drag_begin_row;
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guint drag_begin_col;
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guint drag_end_row;
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guint drag_end_col;
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int scroll;
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guint st_id;
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};
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TermSelection *term_selection_new (void);
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#define term_selection_free(sel) g_free (sel)
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void term_set_selection (struct _MooTerm *term,
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guint row1,
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guint col1,
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guint row2,
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guint col2);
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void term_selection_clear (struct _MooTerm *term);
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char *term_selection_get_text (struct _MooTerm *term);
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inline static void term_selection_set_width (struct _MooTerm *term,
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guint width)
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{
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term->priv->selection->screen_width = width;
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term_selection_clear (term);
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}
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inline static int term_selection_row_selected (TermSelection *sel,
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guint row)
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{
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if (sel->empty || sel->r_row < row || row < sel->l_row)
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return NOT_SELECTED;
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else if (sel->l_row < row && row < sel->r_row)
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return FULL_SELECTED;
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else
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return PART_SELECTED;
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}
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inline static gboolean term_selected (TermSelection *sel,
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guint row,
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guint col)
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{
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if (sel->empty || sel->r_row < row || row < sel->l_row)
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return FALSE;
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else if (sel->l_row < row && row < sel->r_row)
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return TRUE;
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else if (sel->l_row == sel->r_row)
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return sel->l_col <= col && col < sel->r_col;
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else if (sel->l_row == row)
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return sel->l_col <= col;
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else
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return col < sel->r_row;
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}
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G_END_DECLS
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#endif /* MOOTERM_MOOTERM_SELECTION_H */
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