4 Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006,
6 The Free Software Foundation, Inc.
10 Andrew Borodin <aborodin@vmail.ru> 2012
12 This file is part of the Midnight Commander.
14 The Midnight Commander is free software: you can redistribute it
15 and/or modify it under the terms of the GNU General Public License as
16 published by the Free Software Foundation, either version 3 of the License,
17 or (at your option) any later version.
19 The Midnight Commander is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
24 You should have received a copy of the GNU General Public License
25 along with this program. If not, see <http://www.gnu.org/licenses/>.
29 * \brief Source: editor text drawing
38 #include <sys/types.h>
45 #include "lib/global.h"
46 #include "lib/tty/tty.h" /* tty_printf() */
47 #include "lib/tty/key.h" /* is_idle() */
49 #include "lib/strutil.h" /* utf string functions */
50 #include "lib/util.h" /* is_printable() */
51 #include "lib/widget.h"
53 #include "lib/charsets.h"
56 #include "src/setup.h" /* edit_tab_spacing */
58 #include "edit-impl.h"
59 #include "editwidget.h"
61 /*** global variables ****************************************************************************/
63 /* Toggles statusbar draw style */
64 int simple_statusbar
= 0;
66 int visible_tabs
= 1, visible_tws
= 1;
68 /*** file scope macro definitions ****************************************************************/
70 #define MAX_LINE_LEN 1024
73 #define MOD_ABNORMAL (1 << 8)
74 #define MOD_BOLD (1 << 9)
75 #define MOD_MARKED (1 << 10)
76 #define MOD_CURSOR (1 << 11)
77 #define MOD_WHITESPACE (1 << 12)
79 #define edit_move(x,y) widget_move(edit, y, x);
81 #define key_pending(x) (!is_idle())
83 #define EDITOR_MINIMUM_TERMINAL_WIDTH 30
85 /*** file scope type declarations ****************************************************************/
93 /*** file scope variables ************************************************************************/
95 /*** file scope functions ************************************************************************/
98 printwstr (const char *s
, int len
)
101 tty_printf ("%-*.*s", len
, len
, s
);
104 /* --------------------------------------------------------------------------------------------- */
107 status_string (WEdit
* edit
, char *s
, int w
)
112 * If we are at the end of file, print <EOF>,
113 * otherwise print the current character as is (if printable),
114 * as decimal and as hex.
116 if (edit
->curs1
< edit
->last_byte
)
121 unsigned int cur_utf
= 0;
124 cur_utf
= edit_get_utf (edit
, edit
->curs1
, &cw
);
127 g_snprintf (byte_str
, sizeof (byte_str
), "%04d 0x%03X",
128 (unsigned) cur_utf
, (unsigned) cur_utf
);
132 cur_utf
= edit_get_byte (edit
, edit
->curs1
);
133 g_snprintf (byte_str
, sizeof (byte_str
), "%04d 0x%03X",
134 (int) cur_utf
, (unsigned) cur_utf
);
140 unsigned char cur_byte
= 0;
142 cur_byte
= edit_get_byte (edit
, edit
->curs1
);
143 g_snprintf (byte_str
, sizeof (byte_str
), "%4d 0x%03X",
144 (int) cur_byte
, (unsigned) cur_byte
);
149 strcpy (byte_str
, "<EOF> ");
152 /* The field lengths just prevent the status line from shortening too much */
153 if (simple_statusbar
)
155 "%c%c%c%c %3ld %5ld/%ld %6ld/%ld %s %s",
156 edit
->mark1
!= edit
->mark2
? (edit
->column_highlight
? 'C' : 'B') : '-',
157 edit
->modified
? 'M' : '-',
158 macro_index
< 0 ? '-' : 'R',
159 edit
->overwrite
== 0 ? '-' : 'O',
160 edit
->curs_col
+ edit
->over_col
,
162 edit
->total_lines
+ 1, (long) edit
->curs1
, (long) edit
->last_byte
, byte_str
,
164 mc_global
.source_codepage
>= 0 ? get_codepage_id (mc_global
.source_codepage
) :
169 "[%c%c%c%c] %2ld L:[%3ld+%2ld %3ld/%3ld] *(%-4ld/%4ldb) %s %s",
170 edit
->mark1
!= edit
->mark2
? (edit
->column_highlight
? 'C' : 'B') : '-',
171 edit
->modified
? 'M' : '-',
172 macro_index
< 0 ? '-' : 'R',
173 edit
->overwrite
== 0 ? '-' : 'O',
174 edit
->curs_col
+ edit
->over_col
,
175 edit
->start_line
+ 1,
178 edit
->total_lines
+ 1, (long) edit
->curs1
, (long) edit
->last_byte
, byte_str
,
180 mc_global
.source_codepage
>= 0 ? get_codepage_id (mc_global
.source_codepage
) :
185 /* --------------------------------------------------------------------------------------------- */
187 * Draw the status line at the top of the screen for fullscreen editor window.
189 * @param edit editor object
190 * @param color color pair
194 edit_status_fullscreen (WEdit
* edit
, int color
)
196 Widget
*h
= WIDGET (WIDGET (edit
)->owner
);
197 const int w
= h
->cols
;
198 const size_t status_size
= w
+ 1;
199 char *const status
= g_malloc (status_size
);
201 const char *fname
= "";
203 const int gap
= 3; /* between the filename and the status */
204 const int right_gap
= 5; /* at the right end of the screen */
205 const int preferred_fname_len
= 16;
207 status_string (edit
, status
, status_size
);
208 status_len
= (int) str_term_width1 (status
);
210 if (edit
->filename_vpath
!= NULL
)
211 fname
= x_basename (vfs_path_get_last_path_str (edit
->filename_vpath
));
213 fname_len
= str_term_width1 (fname
);
214 if (fname_len
< preferred_fname_len
)
215 fname_len
= preferred_fname_len
;
217 if (fname_len
+ gap
+ status_len
+ right_gap
>= w
)
219 if (preferred_fname_len
+ gap
+ status_len
+ right_gap
>= w
)
220 fname_len
= preferred_fname_len
;
222 fname_len
= w
- (gap
+ status_len
+ right_gap
);
223 fname
= str_trunc (fname
, fname_len
);
226 widget_move (h
, 0, 0);
227 tty_setcolor (color
);
228 printwstr (fname
, fname_len
+ gap
);
229 printwstr (status
, w
- (fname_len
+ gap
));
231 if (simple_statusbar
&& w
> EDITOR_MINIMUM_TERMINAL_WIDTH
)
233 size_t percent
= 100;
235 if (edit
->total_lines
+ 1 != 0)
236 percent
= (edit
->curs_line
+ 1) * 100 / (edit
->total_lines
+ 1);
237 widget_move (h
, 0, w
- 6 - 6);
238 tty_printf (" %3d%%", percent
);
244 /* --------------------------------------------------------------------------------------------- */
246 * Draw status line for editor window if window is not in fullscreen mode.
248 * @param edit editor object
252 edit_status_window (WEdit
* edit
)
254 Widget
*w
= WIDGET (edit
);
258 tty_setcolor (STATUSBAR_COLOR
);
262 const char *fname
= N_("NoName");
263 char *full_fname
= NULL
;
265 if (edit
->filename_vpath
!= NULL
)
267 full_fname
= vfs_path_to_str (edit
->filename_vpath
);
268 fname
= x_basename (full_fname
);
276 tty_printf ("[%s]", str_term_trim (fname
, w
->cols
- 8 - 6));
283 if (x
+ 6 <= cols
- 2 - 6)
286 tty_printf ("[%c%c%c%c]",
287 edit
->mark1
!= edit
->mark2
? (edit
->column_highlight
? 'C' : 'B') : '-',
288 edit
->modified
? 'M' : '-',
289 macro_index
< 0 ? '-' : 'R', edit
->overwrite
== 0 ? '-' : 'O');
294 edit_move (2, w
->lines
- 1);
295 tty_printf ("%3ld %5ld/%ld %6ld/%ld",
296 edit
->curs_col
+ edit
->over_col
,
297 edit
->curs_line
+ 1, edit
->total_lines
+ 1, edit
->curs1
, edit
->last_byte
);
301 * If we are at the end of file, print <EOF>,
302 * otherwise print the current character as is (if printable),
303 * as decimal and as hex.
307 edit_move (32, w
->lines
- 1);
308 if (edit
->curs1
>= edit
->last_byte
)
309 tty_print_string ("[<EOF> ]");
313 unsigned int cur_utf
;
316 cur_utf
= edit_get_utf (edit
, edit
->curs1
, &cw
);
318 cur_utf
= edit_get_byte (edit
, edit
->curs1
);
319 tty_printf ("[%05d 0x%04X]", cur_utf
, cur_utf
);
324 unsigned char cur_byte
;
326 cur_byte
= edit_get_byte (edit
, edit
->curs1
);
327 tty_printf ("[%05d 0x%04X]", (unsigned int) cur_byte
, (unsigned int) cur_byte
);
332 /* --------------------------------------------------------------------------------------------- */
334 * Draw a frame around edit area.
336 * @param edit editor object
337 * @param color color pair
338 * @param active TRUE if editor object is focused
342 edit_draw_frame (const WEdit
* edit
, int color
, gboolean active
)
344 const Widget
*w
= (const Widget
*) edit
;
346 /* draw a frame around edit area */
347 tty_setcolor (color
);
348 /* draw double frame for active window if skin supports that */
349 tty_draw_box (w
->y
, w
->x
, w
->lines
, w
->cols
, !active
);
350 /* draw a drag marker */
351 if (edit
->drag_state
== MCEDIT_DRAG_NORMAL
)
353 tty_setcolor (EDITOR_FRAME_DRAG
);
354 widget_move (w
, w
->lines
- 1, w
->cols
- 1);
355 tty_print_alt_char (ACS_LRCORNER
, TRUE
);
359 /* --------------------------------------------------------------------------------------------- */
361 * Draw a window control buttons.
363 * @param edit editor object
364 * @param color color pair
368 edit_draw_window_icons (const WEdit
* edit
, int color
)
370 const Widget
*w
= WIDGET (edit
);
373 tty_setcolor (color
);
374 if (edit
->fullscreen
)
375 widget_move (w
->owner
, 0, WIDGET (w
->owner
)->cols
- 6);
377 widget_move (w
, 0, w
->cols
- 8);
378 g_snprintf (tmp
, sizeof (tmp
), "[%s][%s]", edit_window_state_char
, edit_window_close_char
);
379 tty_print_string (tmp
);
382 /* --------------------------------------------------------------------------------------------- */
385 print_to_widget (WEdit
* edit
, long row
, int start_col
, int start_col_real
,
386 long end_col
, struct line_s line
[], char *status
, int bookmarked
)
388 Widget
*w
= WIDGET (edit
);
392 int x
= start_col_real
;
393 int x1
= start_col
+ EDIT_TEXT_HORIZONTAL_OFFSET
+ option_line_state_width
;
394 int y
= row
+ EDIT_TEXT_VERTICAL_OFFSET
;
395 int cols_to_skip
= abs (x
);
400 if (!edit
->fullscreen
)
406 tty_setcolor (EDITOR_NORMAL_COLOR
);
408 tty_setcolor (bookmarked
);
410 len
= end_col
+ 1 - start_col
;
411 wrap_start
= option_word_wrap_line_length
+ edit
->start_col
;
413 if (len
> 0 && w
->y
+ y
>= 0)
415 if (!show_right_margin
|| wrap_start
> end_col
)
416 tty_draw_hline (w
->y
+ y
, w
->x
+ x1
, ' ', len
);
417 else if (wrap_start
< 0)
419 tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR
);
420 tty_draw_hline (w
->y
+ y
, w
->x
+ x1
, ' ', len
);
425 tty_draw_hline (w
->y
+ y
, w
->x
+ x1
, ' ', wrap_start
);
430 tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR
);
431 tty_draw_hline (w
->y
+ y
, w
->x
+ x1
+ wrap_start
, ' ', len
);
436 if (option_line_state
)
438 tty_setcolor (LINE_STATE_COLOR
);
439 for (i
= 0; i
< LINE_STATE_WIDTH
; i
++)
441 edit_move (x1
+ i
- option_line_state_width
, y
);
442 if (status
[i
] == '\0')
444 tty_print_char (status
[i
]);
450 for (p
= line
; p
->ch
!= 0; p
++)
453 unsigned int textchar
;
456 if (cols_to_skip
!= 0)
462 style
= p
->style
& 0xFF00;
464 color
= p
->style
>> 16;
466 if (style
& MOD_ABNORMAL
)
468 /* Non-printable - use black background */
472 if (style
& MOD_WHITESPACE
)
474 if (style
& MOD_MARKED
)
477 tty_setcolor (EDITOR_MARKED_COLOR
);
480 tty_setcolor (EDITOR_WHITESPACE_COLOR
);
482 else if (style
& MOD_BOLD
)
483 tty_setcolor (EDITOR_BOLD_COLOR
);
484 else if (style
& MOD_MARKED
)
485 tty_setcolor (EDITOR_MARKED_COLOR
);
487 tty_lowlevel_setcolor (color
);
489 if (show_right_margin
)
491 if (i
> option_word_wrap_line_length
+ edit
->start_col
)
492 tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR
);
496 tty_print_anychar (textchar
);
500 /* --------------------------------------------------------------------------------------------- */
501 /** b is a pointer to the beginning of the line */
504 edit_draw_this_line (WEdit
* edit
, off_t b
, long row
, long start_col
, long end_col
)
506 Widget
*w
= WIDGET (edit
);
508 struct line_s line
[MAX_LINE_LEN
];
509 struct line_s
*p
= line
;
511 off_t m1
= 0, m2
= 0, q
;
513 int col
, start_col_real
;
518 unsigned int cur_line
= 0;
520 char line_stat
[LINE_STATE_WIDTH
+ 1] = "\0";
522 if (row
> w
->lines
- 1 - EDIT_TEXT_VERTICAL_OFFSET
- 2 * (edit
->fullscreen
? 0 : 1))
525 if (book_mark_query_color (edit
, edit
->start_line
+ row
, BOOK_MARK_COLOR
))
526 book_mark
= BOOK_MARK_COLOR
;
527 else if (book_mark_query_color (edit
, edit
->start_line
+ row
, BOOK_MARK_FOUND_COLOR
))
528 book_mark
= BOOK_MARK_FOUND_COLOR
;
531 abn_style
= book_mark
<< 16;
533 abn_style
= MOD_ABNORMAL
;
535 end_col
-= EDIT_TEXT_HORIZONTAL_OFFSET
+ option_line_state_width
;
536 if (!edit
->fullscreen
)
539 if (w
->x
+ w
->cols
<= WIDGET (w
->owner
)->cols
)
543 color
= edit_get_syntax_color (edit
, b
- 1);
544 q
= edit_move_forward3 (edit
, b
, start_col
- edit
->start_col
, 0);
545 start_col_real
= (col
= (int) edit_move_forward3 (edit
, b
, 0, q
)) + edit
->start_col
;
547 if (option_line_state
)
549 cur_line
= edit
->start_line
+ row
;
550 if (cur_line
<= (unsigned int) edit
->total_lines
)
552 g_snprintf (line_stat
, LINE_STATE_WIDTH
+ 1, "%7i ", cur_line
+ 1);
556 memset (line_stat
, ' ', LINE_STATE_WIDTH
);
557 line_stat
[LINE_STATE_WIDTH
] = '\0';
559 if (book_mark_query_color (edit
, cur_line
, BOOK_MARK_COLOR
))
561 g_snprintf (line_stat
, 2, "*");
565 if (col
+ 16 > -edit
->start_col
)
567 eval_marks (edit
, &m1
, &m2
);
569 if (row
<= edit
->total_lines
- edit
->start_line
)
572 if (tty_use_colors () && visible_tws
)
574 tws
= edit_eol (edit
, b
);
575 while (tws
> b
&& ((c
= edit_get_byte (edit
, tws
- 1)) == ' ' || c
== '\t'))
579 while (col
<= end_col
- edit
->start_col
)
583 gboolean wide_width_char
= FALSE
;
584 gboolean control_char
= FALSE
;
588 if (q
== edit
->curs1
)
589 p
->style
|= MOD_CURSOR
;
590 if (q
>= m1
&& q
< m2
)
592 if (edit
->column_highlight
)
596 x
= (long) edit_move_forward3 (edit
, b
, 0, q
);
597 c1
= min (edit
->column1
, edit
->column2
);
598 c2
= max (edit
->column1
, edit
->column2
);
599 if (x
>= c1
&& x
< c2
)
600 p
->style
|= MOD_MARKED
;
603 p
->style
|= MOD_MARKED
;
605 if (q
== edit
->bracket
)
606 p
->style
|= MOD_BOLD
;
607 if (q
>= edit
->found_start
&& q
< (off_t
) (edit
->found_start
+ edit
->found_len
))
608 p
->style
|= MOD_BOLD
;
613 c
= edit_get_utf (edit
, q
, &cw
);
618 c
= edit_get_byte (edit
, q
);
620 /* we don't use bg for mc - fg contains both */
623 p
->style
|= book_mark
<< 16;
627 color
= edit_get_syntax_color (edit
, q
);
628 p
->style
|= color
<< 16;
633 col
= end_col
- edit
->start_col
+ 1; /* quit */
636 i
= TAB_SIZE
- ((int) col
% TAB_SIZE
);
637 tab_over
= (end_col
- edit
->start_col
) - (col
+ i
- 1);
641 if (tty_use_colors () &&
642 ((visible_tabs
|| (visible_tws
&& q
>= tws
)) && enable_show_tabs_tws
))
644 if (p
->style
& MOD_MARKED
)
647 c
|= book_mark
<< 16;
649 c
= p
->style
| MOD_WHITESPACE
;
681 else if (tty_use_colors () && visible_tws
&& q
>= tws
&& enable_show_tabs_tws
)
684 p
->style
|= MOD_WHITESPACE
;
685 c
= p
->style
& ~MOD_CURSOR
;
697 c
= p
->style
& ~MOD_CURSOR
;
708 if (tty_use_colors () && visible_tws
&& q
>= tws
&& enable_show_tabs_tws
)
711 p
->style
|= MOD_WHITESPACE
;
719 if (mc_global
.utf8_display
)
723 c
= convert_from_8bit_to_utf_c ((unsigned char) c
, edit
->converter
);
727 if (g_unichar_iswide (c
))
729 wide_width_char
= TRUE
;
735 c
= convert_from_utf_to_current_c (c
, edit
->converter
);
737 c
= convert_to_display_c (c
);
740 /* Caret notation for control characters */
744 p
->style
= abn_style
;
747 p
->style
= abn_style
;
756 p
->style
= abn_style
;
759 p
->style
= abn_style
;
768 if (g_unichar_isprint (c
))
773 p
->style
= abn_style
;
780 if ((mc_global
.utf8_display
&& g_unichar_isprint (c
)) ||
781 (!mc_global
.utf8_display
&& is_printable (c
)))
789 p
->style
= abn_style
;
803 if (col
> (end_col
- edit
->start_col
+ 1))
821 start_col_real
= start_col
= 0;
826 print_to_widget (edit
, row
, start_col
, start_col_real
, end_col
, line
, line_stat
, book_mark
);
829 /* --------------------------------------------------------------------------------------------- */
832 edit_draw_this_char (WEdit
* edit
, off_t curs
, long row
, long start_column
, long end_column
)
834 off_t b
= edit_bol (edit
, curs
);
836 edit_draw_this_line (edit
, b
, row
, start_column
, end_column
);
839 /* --------------------------------------------------------------------------------------------- */
840 /** cursor must be in screen for other than REDRAW_PAGE passed in force */
843 render_edit_text (WEdit
* edit
, long start_row
, long start_column
, long end_row
, long end_column
)
845 static long prev_curs_row
= 0;
846 static off_t prev_curs
= 0;
848 Widget
*w
= WIDGET (edit
);
849 Widget
*wh
= WIDGET (w
->owner
);
851 long row
= 0, curs_row
;
852 int force
= edit
->force
;
859 /* draw only visible region */
861 last_line
= wh
->y
+ wh
->lines
- 1;
864 if (y1
> last_line
- 1 /* buttonbar */ )
867 last_column
= wh
->x
+ wh
->cols
- 1;
870 if (x1
> last_column
)
873 y2
= w
->y
+ w
->lines
- 1;
874 if (y2
< wh
->y
+ 1 /* menubar */ )
877 x2
= w
->x
+ w
->cols
- 1;
881 if ((force
& REDRAW_IN_BOUNDS
) == 0)
883 /* !REDRAW_IN_BOUNDS means to ignore bounds and redraw whole rows */
884 /* draw only visible region */
886 if (y2
<= last_line
- 1 /* buttonbar */ )
887 end_row
= w
->lines
- 1;
888 else if (y1
>= wh
->y
+ 1 /* menubar */ )
889 end_row
= wh
->lines
- 1 - y1
- 1;
891 end_row
= start_row
+ wh
->lines
- 1 - 1;
893 if (x2
<= last_column
)
894 end_column
= w
->cols
- 1;
895 else if (x1
>= wh
->x
)
896 end_column
= wh
->cols
- 1 - x1
;
898 end_column
= start_column
+ wh
->cols
- 1;
902 * If the position of the page has not moved then we can draw the cursor
903 * character only. This will prevent line flicker when using arrow keys.
905 if ((force
& REDRAW_CHAR_ONLY
) == 0 || (force
& REDRAW_PAGE
) != 0)
907 if ((force
& REDRAW_PAGE
) != 0)
910 b
= edit_move_forward (edit
, edit
->start_display
, start_row
, 0);
911 while (row
<= end_row
)
913 if (key_pending (edit
))
915 edit_draw_this_line (edit
, b
, row
, start_column
, end_column
);
916 b
= edit_move_forward (edit
, b
, 1, 0);
922 curs_row
= edit
->curs_row
;
924 if ((force
& REDRAW_BEFORE_CURSOR
) != 0 && start_row
< curs_row
)
926 long upto
= curs_row
- 1 <= end_row
? curs_row
- 1 : end_row
;
929 b
= edit
->start_display
;
932 if (key_pending (edit
))
934 edit_draw_this_line (edit
, b
, row
, start_column
, end_column
);
935 b
= edit_move_forward (edit
, b
, 1, 0);
939 /* if (force & REDRAW_LINE) ---> default */
940 b
= edit_bol (edit
, edit
->curs1
);
941 if (curs_row
>= start_row
&& curs_row
<= end_row
)
943 if (key_pending (edit
))
945 edit_draw_this_line (edit
, b
, curs_row
, start_column
, end_column
);
948 if ((force
& REDRAW_AFTER_CURSOR
) != 0 && end_row
> curs_row
)
950 row
= curs_row
+ 1 < start_row
? start_row
: curs_row
+ 1;
951 b
= edit_move_forward (edit
, b
, 1, 0);
952 while (row
<= end_row
)
954 if (key_pending (edit
))
956 edit_draw_this_line (edit
, b
, row
, start_column
, end_column
);
957 b
= edit_move_forward (edit
, b
, 1, 0);
962 if ((force
& REDRAW_LINE_ABOVE
) != 0 && curs_row
>= 1)
965 b
= edit_move_backward (edit
, edit_bol (edit
, edit
->curs1
), 1);
966 if (row
>= start_row
&& row
<= end_row
)
968 if (key_pending (edit
))
970 edit_draw_this_line (edit
, b
, row
, start_column
, end_column
);
974 if ((force
& REDRAW_LINE_BELOW
) != 0 && row
< w
->lines
- 1)
977 b
= edit_bol (edit
, edit
->curs1
);
978 b
= edit_move_forward (edit
, b
, 1, 0);
979 if (row
>= start_row
&& row
<= end_row
)
981 if (key_pending (edit
))
983 edit_draw_this_line (edit
, b
, row
, start_column
, end_column
);
988 else if (prev_curs_row
< edit
->curs_row
)
990 /* with the new text highlighting, we must draw from the top down */
991 edit_draw_this_char (edit
, prev_curs
, prev_curs_row
, start_column
, end_column
);
992 edit_draw_this_char (edit
, edit
->curs1
, edit
->curs_row
, start_column
, end_column
);
996 edit_draw_this_char (edit
, edit
->curs1
, edit
->curs_row
, start_column
, end_column
);
997 edit_draw_this_char (edit
, prev_curs
, prev_curs_row
, start_column
, end_column
);
1002 prev_curs_row
= edit
->curs_row
;
1003 prev_curs
= edit
->curs1
;
1006 /* --------------------------------------------------------------------------------------------- */
1009 edit_render (WEdit
* edit
, int page
, int row_start
, int col_start
, int row_end
, int col_end
)
1011 if (page
) /* if it was an expose event, 'page' would be set */
1012 edit
->force
|= REDRAW_PAGE
| REDRAW_IN_BOUNDS
;
1014 render_edit_text (edit
, row_start
, col_start
, row_end
, col_end
);
1017 * edit->force != 0 means a key was pending and the redraw
1018 * was halted, so next time we must redraw everything in case stuff
1019 * was left undrawn from a previous key press.
1022 edit
->force
|= REDRAW_PAGE
;
1025 /* --------------------------------------------------------------------------------------------- */
1026 /*** public functions ****************************************************************************/
1027 /* --------------------------------------------------------------------------------------------- */
1030 edit_status (WEdit
* edit
, gboolean active
)
1034 if (edit
->fullscreen
)
1036 color
= STATUSBAR_COLOR
;
1037 edit_status_fullscreen (edit
, color
);
1041 color
= edit
->drag_state
!= MCEDIT_DRAG_NORMAL
? EDITOR_FRAME_DRAG
: active
?
1042 EDITOR_FRAME_ACTIVE
: EDITOR_FRAME
;
1043 edit_draw_frame (edit
, color
, active
);
1044 edit_status_window (edit
);
1047 edit_draw_window_icons (edit
, color
);
1050 /* --------------------------------------------------------------------------------------------- */
1052 /** this scrolls the text so that cursor is on the screen */
1054 edit_scroll_screen_over_cursor (WEdit
* edit
)
1056 Widget
*w
= WIDGET (edit
);
1060 int b_extreme
, t_extreme
, l_extreme
, r_extreme
;
1062 if (w
->lines
<= 0 || w
->cols
<= 0)
1065 w
->lines
-= EDIT_TEXT_VERTICAL_OFFSET
;
1066 w
->cols
-= EDIT_TEXT_HORIZONTAL_OFFSET
+ option_line_state_width
;
1068 if (!edit
->fullscreen
)
1076 r_extreme
= EDIT_RIGHT_EXTREME
;
1077 l_extreme
= EDIT_LEFT_EXTREME
;
1078 b_extreme
= EDIT_BOTTOM_EXTREME
;
1079 t_extreme
= EDIT_TOP_EXTREME
;
1080 if (edit
->found_len
!= 0)
1082 b_extreme
= max (w
->lines
/ 4, b_extreme
);
1083 t_extreme
= max (w
->lines
/ 4, t_extreme
);
1085 if (b_extreme
+ t_extreme
+ 1 > w
->lines
)
1089 n
= b_extreme
+ t_extreme
;
1092 b_extreme
= (b_extreme
* (w
->lines
- 1)) / n
;
1093 t_extreme
= (t_extreme
* (w
->lines
- 1)) / n
;
1095 if (l_extreme
+ r_extreme
+ 1 > w
->cols
)
1099 n
= l_extreme
+ t_extreme
;
1102 l_extreme
= (l_extreme
* (w
->cols
- 1)) / n
;
1103 r_extreme
= (r_extreme
* (w
->cols
- 1)) / n
;
1105 p
= edit_get_col (edit
) + edit
->over_col
;
1106 edit_update_curs_row (edit
);
1107 outby
= p
+ edit
->start_col
- w
->cols
+ 1 + (r_extreme
+ edit
->found_len
);
1109 edit_scroll_right (edit
, outby
);
1110 outby
= l_extreme
- p
- edit
->start_col
;
1112 edit_scroll_left (edit
, outby
);
1114 outby
= p
- w
->lines
+ 1 + b_extreme
;
1116 edit_scroll_downward (edit
, outby
);
1117 outby
= t_extreme
- p
;
1119 edit_scroll_upward (edit
, outby
);
1120 edit_update_curs_row (edit
);
1122 w
->lines
+= EDIT_TEXT_VERTICAL_OFFSET
;
1123 w
->cols
+= EDIT_TEXT_HORIZONTAL_OFFSET
+ option_line_state_width
;
1124 if (!edit
->fullscreen
)
1133 /* --------------------------------------------------------------------------------------------- */
1136 edit_render_keypress (WEdit
* edit
)
1138 edit_render (edit
, 0, 0, 0, 0, 0);
1141 /* --------------------------------------------------------------------------------------------- */