1 /* mswindows output and frame manipulation routines.
2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
3 Copyright (C) 1994 Lucid, Inc.
4 Copyright (C) 1995 Sun Microsystems, Inc.
6 This file is part of XEmacs.
8 XEmacs is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 2, or (at your option) any
13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with XEmacs; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
23 /* Synched up with: Not in FSF. */
28 Lots of work done by Ben Wing for Mule
30 Partially rewritten for mswindows by Jonathan Harris, November 1997
36 #include "console-msw.h"
37 #include "objects-msw.h"
44 #include "glyphs-msw.h"
46 #include "redisplay.h"
52 #include "mule-charset.h"
55 #define MSWINDOWS_EOL_CURSOR_WIDTH 5
58 * Random forward declarations
60 static void mswindows_update_dc (HDC hdc, Lisp_Object fg, Lisp_Object bg,
62 static void mswindows_set_dc_font (HDC hdc, Lisp_Object font,
63 int under, int strike);
64 static void mswindows_output_vertical_divider (struct window *w, int clear);
65 static void mswindows_redraw_exposed_windows (Lisp_Object window, int x,
66 int y, int width, int height);
67 static void mswindows_output_dibitmap (struct frame *f,
68 Lisp_Image_Instance *p,
69 struct display_box* db,
70 struct display_glyph_area* dga);
72 typedef struct textual_run
80 /* Separate out the text in DYN into a series of textual runs of a
81 particular charset. Also convert the characters as necessary into
82 the format needed by XDrawImageString(), XDrawImageString16(), et
83 al. (This means converting to one or two byte format, possibly
84 tweaking the high bits, and possibly running a CCL program.) You
85 must pre-allocate the space used and pass it in. (This is done so
86 you can alloca() the space.) You need to allocate (2 * len) bytes
87 of TEXT_STORAGE and (len * sizeof (textual_run)) bytes of
88 RUN_STORAGE, where LEN is the length of the dynarr.
90 Returns the number of runs actually used. */
93 separate_textual_runs (unsigned char *text_storage,
94 textual_run *run_storage,
95 const Emchar *str, Charcount len)
97 Lisp_Object prev_charset = Qunbound; /* not Qnil because that is a
98 possible valid charset when
99 MULE is not defined */
103 struct ccl_program char_converter;
104 int need_ccl_conversion = 0;
107 for (i = 0; i < len; i++)
115 BREAKUP_CHAR (ch, charset, byte1, byte2);
116 dimension = XCHARSET_DIMENSION (charset);
117 graphic = XCHARSET_GRAPHIC (charset);
119 if (!EQ (charset, prev_charset))
121 run_storage[runs_so_far].ptr = text_storage;
122 run_storage[runs_so_far].charset = charset;
123 run_storage[runs_so_far].dimension = dimension;
127 run_storage[runs_so_far - 1].len =
128 text_storage - run_storage[runs_so_far - 1].ptr;
129 if (run_storage[runs_so_far - 1].dimension == 2)
130 run_storage[runs_so_far - 1].len >>= 1;
133 prev_charset = charset;
136 Lisp_Object ccl_prog = XCHARSET_CCL_PROGRAM (charset);
137 need_ccl_conversion = !NILP (ccl_prog);
138 if (need_ccl_conversion)
139 setup_ccl_program (&char_converter, ccl_prog);
149 else if (graphic == 1)
155 if (need_ccl_conversion)
157 char_converter.reg[0] = XCHARSET_ID (charset);
158 char_converter.reg[1] = byte1;
159 char_converter.reg[2] = byte2;
160 char_converter.ic = 0; /* start at beginning each time */
161 ccl_driver (&char_converter, 0, 0, 0, 0, CCL_MODE_ENCODING);
162 byte1 = char_converter.reg[1];
163 byte2 = char_converter.reg[2];
166 *text_storage++ = (unsigned char) byte1;
168 *text_storage++ = (unsigned char) byte2;
173 run_storage[runs_so_far - 1].len =
174 text_storage - run_storage[runs_so_far - 1].ptr;
175 if (run_storage[runs_so_far - 1].dimension == 2)
176 run_storage[runs_so_far - 1].len >>= 1;
184 mswindows_text_width_single_run (HDC hdc, struct face_cachel *cachel,
187 Lisp_Object font_inst = FACE_CACHEL_FONT (cachel, run->charset);
188 Lisp_Font_Instance *fi = XFONT_INSTANCE (font_inst);
191 if (!fi->proportional_p || !hdc)
192 return (fi->width * run->len);
195 assert(run->dimension == 1); /* #### FIXME! */
196 mswindows_set_dc_font (hdc, font_inst,
197 cachel->underline, cachel->strikethru);
198 GetTextExtentPoint32 (hdc, run->ptr, run->len, &size);
204 * Given F, retrieve device context. F can be a display frame, or
205 * a print job. For a print job, page is also started when printer's
206 * device context is first time requested.
209 get_frame_dc (struct frame *f, int start_page_p)
211 if (FRAME_MSWINDOWS_P (f))
212 return FRAME_MSWINDOWS_DC (f);
215 if (start_page_p && !FRAME_MSPRINTER_PAGE_STARTED (f))
216 msprinter_start_page (f);
217 return DEVICE_MSPRINTER_HDC (XDEVICE (FRAME_DEVICE (f)));
222 * Given F, retrieve compatible device context. F can be a display
223 * frame, or a print job.
226 get_frame_compdc (struct frame *f)
228 struct device *d = XDEVICE (FRAME_DEVICE (f));
229 if (DEVICE_MSWINDOWS_P (d))
230 return DEVICE_MSWINDOWS_HCDC (d);
232 return DEVICE_MSPRINTER_HCDC (d);
235 /*****************************************************************************
238 Given a number of parameters munge the DC so it has those properties.
239 ****************************************************************************/
241 mswindows_update_dc (HDC hdc, Lisp_Object fg, Lisp_Object bg,
246 SetTextColor (hdc, COLOR_INSTANCE_MSWINDOWS_COLOR
247 (XCOLOR_INSTANCE (fg)));
252 SetBkMode (hdc, OPAQUE);
253 SetBkColor (hdc, COLOR_INSTANCE_MSWINDOWS_COLOR (XCOLOR_INSTANCE (bg)));
257 SetBkMode (hdc, TRANSPARENT);
261 static void mswindows_set_dc_font (HDC hdc, Lisp_Object font,
262 int under, int strike)
264 SelectObject(hdc, mswindows_get_hfont (XFONT_INSTANCE (font),
268 /*****************************************************************************
269 mswindows_output_hline
271 Output a horizontal line in the foreground of its face.
272 ****************************************************************************/
274 mswindows_output_hline (struct window *w, struct display_line *dl, struct rune *rb)
275 { /* XXX Implement me */
279 /*****************************************************************************
280 mswindows_output_blank
282 Output a blank by clearing the area it covers in the background color
284 ****************************************************************************/
286 mswindows_output_blank (struct window *w, struct display_line *dl,
287 struct rune *rb, int start_pixpos)
289 struct frame *f = XFRAME (w->frame);
290 HDC hdc = get_frame_dc (f, 1);
291 RECT rect = { rb->xpos, DISPLAY_LINE_YPOS (dl),
293 DISPLAY_LINE_YEND (dl) };
294 struct face_cachel *cachel = WINDOW_FACE_CACHEL (w, rb->findex);
296 Lisp_Object bg_pmap = WINDOW_FACE_CACHEL_BACKGROUND_PIXMAP (w, rb->findex);
298 /* Unmap all subwindows in the area we are going to blank. */
299 redisplay_unmap_subwindows_maybe (f, rb->xpos, DISPLAY_LINE_YPOS (dl),
300 rb->width, DISPLAY_LINE_HEIGHT (dl));
302 if (!IMAGE_INSTANCEP (bg_pmap)
303 || !IMAGE_INSTANCE_PIXMAP_TYPE_P (XIMAGE_INSTANCE (bg_pmap)))
308 struct display_box db;
309 struct display_glyph_area dga;
310 redisplay_calculate_display_boxes (dl, rb->xpos,
311 /*rb->object.dglyph.xoffset*/ 0,
312 start_pixpos, rb->width,
314 /* blank the background in the appropriate color */
315 mswindows_update_dc (hdc, cachel->foreground,
316 cachel->background, Qnil);
317 redisplay_output_pixmap (w, bg_pmap, &db, &dga, rb->findex,
322 mswindows_update_dc (hdc, Qnil, cachel->background, Qnil);
323 ExtTextOut (hdc, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);
328 /*****************************************************************************
329 mswindows_output_cursor
331 Draw a normal or end-of-line cursor. The end-of-line cursor is
332 narrower than the normal cursor.
333 ****************************************************************************/
335 mswindows_output_cursor (struct window *w, struct display_line *dl, int xpos,
336 int width, face_index findex, Emchar ch, int image_p)
338 struct frame *f = XFRAME (w->frame);
339 struct device *d = XDEVICE (f->device);
340 struct face_cachel *cachel=0;
341 Lisp_Object font = Qnil;
342 int focus = EQ (w->frame, DEVICE_FRAME_WITH_FOCUS_REAL (d));
343 HDC hdc = get_frame_dc (f, 1);
344 unsigned int local_face_index=0;
348 DISPLAY_LINE_YPOS (dl),
350 DISPLAY_LINE_YEND (dl) };
351 Lisp_Object bar = symbol_value_in_buffer (Qbar_cursor,
353 int bar_p = image_p || !NILP (bar);
354 int cursor_p = !NILP (w->text_cursor_visible_p);
355 int real_char_p = ch != 0;
357 /* Unmap all subwindows in the area we are going to blank. */
358 redisplay_unmap_subwindows_maybe (f, xpos, DISPLAY_LINE_YPOS (dl),
359 width, DISPLAY_LINE_HEIGHT (dl));
363 /* Use the font from the underlying character */
364 cachel = WINDOW_FACE_CACHEL (w, findex);
366 /* #### MULE: Need to know the charset! */
367 font = FACE_CACHEL_FONT (cachel, Vcharset_ascii);
370 if ((focus || bar_p) && real_char_p)
372 p_char = (char*) &ch;
378 struct face_cachel *color_cachel;
380 /* Use cursor fg/bg for block cursor, or character fg/bg for the bar
381 or when we need to erase the cursor. Output nothing at eol if bar
383 local_face_index = get_builtin_face_cache_index (w, Vtext_cursor_face);
384 color_cachel = WINDOW_FACE_CACHEL (w, ((!cursor_p || bar_p) ?
385 findex : local_face_index));
386 mswindows_update_dc (hdc, color_cachel->foreground,
387 color_cachel->background, Qnil);
389 mswindows_set_dc_font (hdc, font,
390 cachel->underline, cachel->strikethru);
392 ExtTextOut (hdc, xpos, dl->ypos, ETO_OPAQUE|ETO_CLIPPED, &rect, p_char, n_char, NULL);
400 rect.right = rect.left + (EQ (bar, Qt) ? 1 : min (2, width));
401 local_face_index = get_builtin_face_cache_index (w, Vtext_cursor_face);
402 cachel = WINDOW_FACE_CACHEL (w, local_face_index);
403 mswindows_update_dc (hdc, Qnil, cachel->background, Qnil);
404 ExtTextOut (hdc, xpos, dl->ypos, ETO_OPAQUE, &rect, NULL, 0, NULL);
408 /* Now have real character drawn in its own color. We deflate
409 the rectangle so character cell will be bounded by the
410 previously drawn cursor shape */
411 InflateRect (&rect, -1, -1);
415 p_char = (char*) &ch;
419 local_face_index = get_builtin_face_cache_index (w, Vdefault_face);
420 cachel = WINDOW_FACE_CACHEL (w, (real_char_p ? findex : local_face_index));
421 mswindows_update_dc (hdc,
422 cachel->foreground, cachel->background, Qnil);
423 ExtTextOut (hdc, xpos, dl->ypos, ETO_OPAQUE | ETO_CLIPPED,
424 &rect, p_char, n_char, NULL);
429 /*****************************************************************************
430 mswindows_output_string
432 Given a string and a starting position, output that string in the
434 Correctly handles multiple charsets in the string.
436 The meaning of the parameters is something like this:
438 W Window that the text is to be displayed in.
439 DL Display line that this text is on. The values in the
440 structure are used to determine the vertical position and
441 clipping range of the text.
442 BUF Dynamic array of Emchars specifying what is actually to be
444 XPOS X position in pixels where the text should start being drawn.
445 XOFFSET Number of pixels to be chopped off the left side of the
446 text. The effect is as if the text were shifted to the
447 left this many pixels and clipped at XPOS.
448 CLIP_START Clip everything left of this X position.
449 WIDTH Clip everything right of XPOS + WIDTH.
450 FINDEX Index for the face cache element describing how to display
452 ****************************************************************************/
454 mswindows_output_string (struct window *w, struct display_line *dl,
455 Emchar_dynarr *buf, int xpos, int xoffset, int clip_start,
456 int width, face_index findex,
457 int cursor, int cursor_start, int cursor_width,
460 struct frame *f = XFRAME (w->frame);
461 /* struct device *d = XDEVICE (f->device);*/
463 HDC hdc = get_frame_dc (f, 1);
466 int len = Dynarr_length (buf);
467 unsigned char *text_storage = (unsigned char *) alloca (2 * len);
468 textual_run *runs = alloca_array (textual_run, len);
472 struct face_cachel *cachel = WINDOW_FACE_CACHEL (w, findex);
474 XSETWINDOW (window, w);
476 #if 0 /* #### FIXME? */
477 /* We can't work out the width before we've set the font in the DC */
479 width = mswindows_text_width (cachel, Dynarr_atp (buf, 0), Dynarr_length (buf));
484 /* Regularize the variables passed in. */
485 if (clip_start < xpos)
487 clip_end = xpos + width;
488 if (clip_start >= clip_end)
489 /* It's all clipped out. */
494 /* sort out the destination rectangle */
495 height = DISPLAY_LINE_HEIGHT (dl);
496 rect.left = clip_start;
497 rect.top = DISPLAY_LINE_YPOS (dl);
498 rect.right = clip_end;
499 rect.bottom = rect.top + height;
501 /* make sure the area we are about to display is subwindow free. */
502 redisplay_unmap_subwindows_maybe (f, clip_start, DISPLAY_LINE_YPOS (dl),
503 clip_end - clip_start, DISPLAY_LINE_HEIGHT (dl));
505 /* output the background pixmap if there is one */
506 bg_pmap = cachel->background_pixmap;
507 if (!IMAGE_INSTANCEP (bg_pmap)
508 || !IMAGE_INSTANCE_PIXMAP_TYPE_P (XIMAGE_INSTANCE (bg_pmap)))
513 struct display_box db;
514 struct display_glyph_area dga;
515 redisplay_calculate_display_boxes (dl, xpos + xoffset, 0,
516 clip_start, width, &db, &dga);
517 /* blank the background in the appropriate color */
518 mswindows_update_dc (hdc,
519 cachel->foreground, cachel->background, Qnil);
520 redisplay_output_pixmap (w, bg_pmap, &db, &dga, findex,
522 /* output pixmap calls this so we have to recall to get correct
524 cachel = WINDOW_FACE_CACHEL (w, findex);
527 nruns = separate_textual_runs (text_storage, runs, Dynarr_atp (buf, 0),
528 Dynarr_length (buf));
530 for (i = 0; i < nruns; i++)
532 Lisp_Object font = FACE_CACHEL_FONT (cachel, runs[i].charset);
533 Lisp_Font_Instance *fi = XFONT_INSTANCE (font);
536 if (EQ (font, Vthe_null_font_instance))
539 mswindows_update_dc (hdc, cachel->foreground,
540 NILP(bg_pmap) ? cachel->background : Qnil, Qnil);
541 mswindows_set_dc_font (hdc, font, cachel->underline, cachel->strikethru);
543 this_width = mswindows_text_width_single_run (hdc, cachel, runs + i);
545 /* cope with fonts taller than lines */
546 if ((int) fi->height < (int) (height + dl->clip + dl->top_clip))
548 int clear_start = max (xpos, clip_start);
549 int clear_end = min (xpos + this_width, clip_end);
552 redisplay_clear_region (window, findex, clear_start,
553 DISPLAY_LINE_YPOS (dl),
554 clear_end - clear_start,
556 /* output pixmap calls this so we have to recall to get correct
558 cachel = WINDOW_FACE_CACHEL (w, findex);
562 assert (runs[i].dimension == 1); /* #### FIXME: Broken when Mule? */
563 ExtTextOut (hdc, xpos, dl->ypos,
564 NILP(bg_pmap) ? ETO_CLIPPED | ETO_OPAQUE : ETO_CLIPPED,
565 &rect, (char *) runs[i].ptr, runs[i].len, NULL);
572 mswindows_output_dibitmap (struct frame *f, Lisp_Image_Instance *p,
573 struct display_box* db,
574 struct display_glyph_area* dga)
576 HDC hdc = get_frame_dc (f, 1);
577 HDC hcompdc = get_frame_compdc (f);
579 COLORREF bgcolor = GetBkColor (hdc);
581 /* first blt the mask */
582 if (IMAGE_INSTANCE_MSWINDOWS_MASK (p))
585 col.rgbBlue = GetBValue (bgcolor);
586 col.rgbRed = GetRValue (bgcolor);
587 col.rgbGreen = GetGValue (bgcolor);
590 old = SelectObject (hcompdc, IMAGE_INSTANCE_MSWINDOWS_MASK (p));
592 SetDIBColorTable (hcompdc, 1, 1, &col);
596 dga->width, dga->height,
598 dga->xoffset, dga->yoffset,
601 SelectObject (hcompdc, old);
604 /* Now blt the bitmap itself, or one of its slices. */
605 old = SelectObject (hcompdc,
606 IMAGE_INSTANCE_MSWINDOWS_BITMAP_SLICE
607 (p, IMAGE_INSTANCE_PIXMAP_SLICE (p)));
611 dga->width, dga->height,
613 dga->xoffset, dga->yoffset,
614 IMAGE_INSTANCE_MSWINDOWS_MASK (p) ? SRCINVERT : SRCCOPY);
616 SelectObject (hcompdc, old);
619 /* X gc's have this nice property that setting the bg pixmap will
620 * output it offset relative to the window. Windows doesn't have this
621 * feature so we have to emulate this by outputting multiple pixmaps.
622 * This is only used for background pixmaps. Normal pixmaps are
623 * outputted once and are scrollable */
625 mswindows_output_dibitmap_region (struct frame *f,
626 Lisp_Image_Instance *p,
627 struct display_box *db,
628 struct display_glyph_area *dga)
630 struct display_box xdb = { db->xpos, db->ypos, db->width, db->height };
631 struct display_glyph_area xdga
632 = { 0, 0, IMAGE_INSTANCE_PIXMAP_WIDTH (p),
633 IMAGE_INSTANCE_PIXMAP_HEIGHT (p) };
634 int pxoffset = 0, pyoffset = 0;
638 xdga.width = dga->width;
639 xdga.height = dga->height;
641 else if (!redisplay_normalize_glyph_area (&xdb, &xdga))
644 /* when doing a bg pixmap do a partial pixmap first so that we
645 blt whole pixmaps thereafter */
646 xdga.height = min (xdga.height, IMAGE_INSTANCE_PIXMAP_HEIGHT (p) -
647 db->ypos % IMAGE_INSTANCE_PIXMAP_HEIGHT (p));
649 while (xdga.height > 0)
651 xdga.width = min (min (db->width, IMAGE_INSTANCE_PIXMAP_WIDTH (p)),
652 IMAGE_INSTANCE_PIXMAP_WIDTH (p) -
653 db->xpos % IMAGE_INSTANCE_PIXMAP_WIDTH (p));
655 while (xdga.width > 0)
657 xdb.xpos = db->xpos + pxoffset;
658 xdb.ypos = db->ypos + pyoffset;
659 /* do we need to offset the pixmap vertically? this is necessary
660 for background pixmaps. */
661 xdga.yoffset = xdb.ypos % IMAGE_INSTANCE_PIXMAP_HEIGHT (p);
662 xdga.xoffset = xdb.xpos % IMAGE_INSTANCE_PIXMAP_WIDTH (p);
663 /* the width is handled by mswindows_output_pixmap_region */
664 mswindows_output_dibitmap (f, p, &xdb, &xdga);
665 pxoffset += xdga.width;
666 xdga.width = min ((db->width - pxoffset),
667 IMAGE_INSTANCE_PIXMAP_WIDTH (p));
669 pyoffset += xdga.height;
670 xdga.height = min ((db->height - pyoffset),
671 IMAGE_INSTANCE_PIXMAP_HEIGHT (p));
675 /* Output a pixmap at the desired location.
676 DB normalized display_box.
677 DGA normalized display_glyph_area. */
679 mswindows_output_pixmap (struct window *w, Lisp_Object image_instance,
680 struct display_box *db, struct display_glyph_area *dga,
681 face_index findex, int cursor_start, int cursor_width,
682 int cursor_height, int bg_pixmap)
684 struct frame *f = XFRAME (w->frame);
685 HDC hdc = get_frame_dc (f, 1);
687 Lisp_Image_Instance *p = XIMAGE_INSTANCE (image_instance);
690 XSETWINDOW (window, w);
692 /* Output the pixmap. Have to do this as many times as is required
693 to fill the given area */
694 mswindows_update_dc (hdc,
695 WINDOW_FACE_CACHEL_FOREGROUND (w, findex),
696 WINDOW_FACE_CACHEL_BACKGROUND (w, findex), Qnil);
699 mswindows_output_dibitmap_region (f, p, db, dga);
701 mswindows_output_dibitmap (f, p, db, dga);
704 #ifdef HAVE_SCROLLBARS
706 * This function paints window's deadbox, a rectangle between window
707 * borders and two short edges of both scrollbars.
709 * Function checks whether deadbox intersects with the rectangle pointed
710 * to by PRC, and paints only the intersection
713 mswindows_redisplay_deadbox_maybe (struct window *w, const RECT* prc)
715 int sbh = window_scrollbar_height (w);
716 int sbw = window_scrollbar_width (w);
717 RECT rect_dead, rect_paint;
718 if (sbh == 0 || sbw == 0)
721 if (!NILP (w->scrollbar_on_left_p))
722 rect_dead.left = WINDOW_LEFT (w);
724 rect_dead.left = WINDOW_TEXT_RIGHT (w);
725 rect_dead.right = rect_dead.left + sbw;
727 if (!NILP (w->scrollbar_on_top_p))
728 rect_dead.top = WINDOW_TOP (w);
730 rect_dead.top = WINDOW_TEXT_BOTTOM (w);
731 rect_dead.bottom = rect_dead.top + sbh;
733 if (IntersectRect (&rect_paint, &rect_dead, prc))
735 struct frame *f = XFRAME (WINDOW_FRAME (w));
736 FillRect (get_frame_dc (f, 1), &rect_paint,
737 (HBRUSH) (COLOR_BTNFACE+1));
741 #endif /* HAVE_SCROLLBARS */
743 /*****************************************************************************
744 mswindows_redraw_exposed_window
746 Given a bounding box for an area that needs to be redrawn, determine
747 what parts of what lines are contained within and re-output their
749 Copied from redisplay-x.c
750 ****************************************************************************/
752 mswindows_redraw_exposed_window (struct window *w, int x, int y, int width,
755 struct frame *f = XFRAME (w->frame);
757 int orig_windows_structure_changed;
758 RECT rect_window = { WINDOW_LEFT (w), WINDOW_TOP (w),
759 WINDOW_RIGHT (w), WINDOW_BOTTOM (w) };
760 RECT rect_expose = { x, y, x + width, y + height };
763 display_line_dynarr *cdla = window_display_lines (w, CURRENT_DISP);
765 if (!NILP (w->vchild))
767 mswindows_redraw_exposed_windows (w->vchild, x, y, width, height);
770 else if (!NILP (w->hchild))
772 mswindows_redraw_exposed_windows (w->hchild, x, y, width, height);
776 /* If the window doesn't intersect the exposed region, we're done here. */
777 if (!IntersectRect (&rect_draw, &rect_window, &rect_expose))
780 /* We do this to make sure that the 3D modelines get redrawn if
781 they are in the exposed region. */
782 orig_windows_structure_changed = f->windows_structure_changed;
783 f->windows_structure_changed = 1;
785 if (window_needs_vertical_divider (w))
787 mswindows_output_vertical_divider (w, 0);
790 for (line = 0; line < Dynarr_length (cdla); line++)
792 struct display_line *cdl = Dynarr_atp (cdla, line);
794 if (DISPLAY_LINE_YPOS (cdl) + DISPLAY_LINE_HEIGHT (cdl)
797 if (DISPLAY_LINE_YPOS (cdl) > rect_draw.bottom)
806 output_display_line (w, 0, cdla, line,
807 rect_draw.left, rect_draw.right);
812 f->windows_structure_changed = orig_windows_structure_changed;
814 /* If there have never been any face cache_elements created, then this
815 expose event doesn't actually have anything to do. */
816 if (Dynarr_largest (w->face_cachels))
817 redisplay_clear_bottom_of_window (w, cdla, rect_draw.top, rect_draw.bottom);
819 #ifdef HAVE_SCROLLBARS
820 mswindows_redisplay_deadbox_maybe (w, &rect_expose);
824 /*****************************************************************************
825 mswindows_redraw_exposed_windows
827 For each window beneath the given window in the window hierarchy,
828 ensure that it is redrawn if necessary after an Expose event.
829 ****************************************************************************/
831 mswindows_redraw_exposed_windows (Lisp_Object window, int x, int y, int width,
834 for (; !NILP (window); window = XWINDOW (window)->next)
835 mswindows_redraw_exposed_window (XWINDOW (window), x, y, width, height);
838 /*****************************************************************************
839 mswindows_redraw_exposed_area
841 For each window on the given frame, ensure that any area in the
842 Exposed area is redrawn.
843 ****************************************************************************/
845 mswindows_redraw_exposed_area (struct frame *f, int x, int y, int width, int height)
847 /* If any window on the frame has had its face cache reset then the
848 redisplay structures are effectively invalid. If we attempt to
849 use them we'll blow up. We mark the frame as changed to ensure
850 that redisplay will do a full update. This probably isn't
851 necessary but it can't hurt. */
853 /* #### We would rather put these off as well but there is currently
854 no combination of flags which will force an unchanged toolbar to
856 MAYBE_FRAMEMETH (f, redraw_exposed_toolbars, (f, x, y, width, height));
858 redraw_exposed_gutters (f, x, y, width, height);
860 if (!f->window_face_cache_reset)
862 mswindows_redraw_exposed_windows (f->root_window, x, y, width, height);
866 MARK_FRAME_CHANGED (f);
870 /*****************************************************************************
873 Draw a 3d border around the specified area on window W.
874 ****************************************************************************/
876 mswindows_bevel_area (struct window *w, face_index findex, int x, int y,
877 int width, int height, int thickness,
878 int edges, enum edge_style style)
880 struct frame *f = XFRAME (w->frame);
884 if (style == EDGE_ETCHED_IN)
886 else if (style == EDGE_ETCHED_OUT)
888 else if (style == EDGE_BEVEL_IN)
891 edge = BDR_SUNKENINNER;
895 else /* EDGE_BEVEL_OUT */
898 edge = BDR_RAISEDINNER;
903 if (edges & EDGE_TOP)
905 if (edges & EDGE_LEFT)
907 if (edges & EDGE_BOTTOM)
909 if (edges & EDGE_RIGHT)
913 RECT rect = { x, y, x + width, y + height };
914 Lisp_Object color = WINDOW_FACE_CACHEL_BACKGROUND (w, findex);
915 HDC hdc = get_frame_dc (f, 1);
917 mswindows_update_dc (hdc, Qnil, color, Qnil);
918 DrawEdge (hdc, &rect, edge, border);
923 /*****************************************************************************
925 *****************************************************************************/
927 /*****************************************************************************
928 mswindows_divider_height
930 Return the height of the horizontal divider.
931 ****************************************************************************/
933 mswindows_divider_height (void)
935 return 1; /* XXX Copied from redisplay-X.c. What is this? */
938 /*****************************************************************************
939 mswindows_eol_cursor_width
941 Return the width of the end-of-line cursor.
942 ****************************************************************************/
944 mswindows_eol_cursor_width (void)
946 return MSWINDOWS_EOL_CURSOR_WIDTH;
949 /*****************************************************************************
950 mswindows_output_begin
952 Perform any necessary initialization prior to an update.
953 ****************************************************************************/
955 mswindows_output_begin (struct device *d)
959 /*****************************************************************************
962 Perform any necessary flushing of queues when an update has completed.
963 ****************************************************************************/
965 mswindows_output_end (struct device *d)
971 mswindows_flash (struct device *d)
973 struct frame *f = device_selected_frame (d);
974 HDC hdc = get_frame_dc (f, 1);
977 GetClientRect (FRAME_MSWINDOWS_HANDLE (f), &rc);
978 InvertRect (hdc, &rc);
981 InvertRect (hdc, &rc);
987 mswindows_ring_bell (struct device *d, int volume, int pitch, int duration)
989 /* Beep does not work at all, anyways! -kkm */
993 /*****************************************************************************
994 mswindows_output_display_block
996 Given a display line, a block number for that start line, output all
997 runes between start and end in the specified display block.
998 Ripped off with minimal thought from the corresponding X routine.
999 ****************************************************************************/
1001 mswindows_output_display_block (struct window *w, struct display_line *dl, int block,
1002 int start, int end, int start_pixpos, int cursor_start,
1003 int cursor_width, int cursor_height)
1005 struct frame *f = XFRAME (w->frame);
1006 Emchar_dynarr *buf = Dynarr_new (Emchar);
1009 struct display_block *db = Dynarr_atp (dl->display_blocks, block);
1010 rune_dynarr *rba = db->runes;
1016 Lisp_Object charset = Qunbound; /* Qnil is a valid charset when
1017 MULE is not defined */
1018 XSETWINDOW (window, w);
1019 rb = Dynarr_atp (rba, start);
1022 /* Nothing to do so don't do anything. */
1025 findex = rb->findex;
1028 if (rb->type == RUNE_CHAR)
1029 charset = CHAR_CHARSET (rb->object.chr.ch);
1032 end = Dynarr_length (rba);
1037 rb = Dynarr_atp (rba, elt);
1039 if (rb->findex == findex && rb->type == RUNE_CHAR
1040 && rb->object.chr.ch != '\n' && rb->cursor_type != CURSOR_ON
1041 && EQ (charset, CHAR_CHARSET (rb->object.chr.ch)))
1043 Dynarr_add (buf, rb->object.chr.ch);
1049 if (Dynarr_length (buf))
1051 mswindows_output_string (w, dl, buf, xpos, 0, start_pixpos, width,
1052 findex, 0, 0, 0, 0);
1059 if (rb->type == RUNE_CHAR)
1061 findex = rb->findex;
1063 charset = CHAR_CHARSET (rb->object.chr.ch);
1065 if (rb->cursor_type == CURSOR_ON)
1067 if (rb->object.chr.ch == '\n')
1069 mswindows_output_cursor (w, dl, xpos, cursor_width,
1074 Dynarr_add (buf, rb->object.chr.ch);
1075 mswindows_output_cursor (w, dl, xpos, cursor_width,
1076 findex, rb->object.chr.ch, 0);
1083 else if (rb->object.chr.ch == '\n')
1085 /* Clear in case a cursor was formerly here. */
1086 redisplay_clear_region (window, findex, xpos,
1087 DISPLAY_LINE_YPOS (dl),
1088 rb->width, DISPLAY_LINE_HEIGHT (dl));
1092 else if (rb->type == RUNE_BLANK || rb->type == RUNE_HLINE)
1094 if (rb->type == RUNE_BLANK)
1095 mswindows_output_blank (w, dl, rb, start_pixpos);
1098 /* #### Our flagging of when we need to redraw the
1099 modeline shadows sucks. Since RUNE_HLINE is only used
1100 by the modeline at the moment it is a good bet
1101 that if it gets redrawn then we should also
1102 redraw the shadows. This won't be true forever.
1103 We borrow the shadow_thickness_changed flag for
1105 w->shadow_thickness_changed = 1;
1106 mswindows_output_hline (w, dl, rb);
1109 if (rb->cursor_type == CURSOR_ON)
1110 mswindows_output_cursor (w, dl, xpos, cursor_width, rb->findex, 0, 0);
1115 rb = Dynarr_atp (rba, elt);
1117 findex = rb->findex;
1121 else if (rb->type == RUNE_DGLYPH)
1123 Lisp_Object instance;
1124 struct display_box dbox;
1125 struct display_glyph_area dga;
1127 redisplay_calculate_display_boxes (dl, rb->xpos, rb->object.dglyph.xoffset,
1128 start_pixpos, rb->width,
1131 XSETWINDOW (window, w);
1132 instance = glyph_image_instance (rb->object.dglyph.glyph,
1133 window, ERROR_ME_NOT, 1);
1134 findex = rb->findex;
1136 if (IMAGE_INSTANCEP (instance))
1138 switch (XIMAGE_INSTANCE_TYPE (instance))
1142 /* #### This is way losing. See the comment in
1143 add_glyph_rune(). */
1144 Lisp_Object string =
1145 XIMAGE_INSTANCE_TEXT_STRING (instance);
1146 convert_bufbyte_string_into_emchar_dynarr
1147 (XSTRING_DATA (string), XSTRING_LENGTH (string), buf);
1149 if (rb->cursor_type == CURSOR_ON)
1150 mswindows_output_cursor (w, dl, xpos, cursor_width,
1151 findex, Dynarr_at (buf, 0), 0);
1152 else /* #### redisplay-x passes -1 as the width: why ? */
1153 mswindows_output_string (w, dl, buf, xpos,
1154 rb->object.dglyph.xoffset,
1155 start_pixpos, rb->width, findex,
1161 case IMAGE_MONO_PIXMAP:
1162 case IMAGE_COLOR_PIXMAP:
1163 redisplay_output_pixmap (w, instance, &dbox, &dga, findex,
1164 cursor_start, cursor_width,
1166 if (rb->cursor_type == CURSOR_ON)
1167 mswindows_output_cursor (w, dl, xpos, cursor_width,
1174 case IMAGE_SUBWINDOW:
1176 redisplay_output_subwindow (w, instance, &dbox, &dga, findex,
1177 cursor_start, cursor_width,
1179 if (rb->cursor_type == CURSOR_ON)
1180 mswindows_output_cursor (w, dl, xpos, cursor_width,
1185 redisplay_output_layout (w, instance, &dbox, &dga, findex,
1186 cursor_start, cursor_width,
1188 if (rb->cursor_type == CURSOR_ON)
1189 mswindows_output_cursor (w, dl, xpos, cursor_width,
1194 /* nothing is as nothing does */
1200 IMAGE_INSTANCE_OPTIMIZE_OUTPUT
1201 (XIMAGE_INSTANCE (instance)) = 0;
1211 if (Dynarr_length (buf))
1212 mswindows_output_string (w, dl, buf, xpos, 0, start_pixpos, width, findex,
1216 && !EQ (Qzero, w->modeline_shadow_thickness)
1218 || f->windows_structure_changed
1219 || w->shadow_thickness_changed))
1220 bevel_modeline (w, dl);
1226 /*****************************************************************************
1227 mswindows_output_vertical_divider
1229 Draw a vertical divider down the right side of the given window.
1230 ****************************************************************************/
1232 mswindows_output_vertical_divider (struct window *w, int clear_unused)
1234 struct frame *f = XFRAME (w->frame);
1235 HDC hdc = get_frame_dc (f, 1);
1237 int spacing = XINT (w->vertical_divider_spacing);
1238 int shadow = XINT (w->vertical_divider_shadow_thickness);
1239 int abs_shadow = abs (shadow);
1240 int line_width = XINT (w->vertical_divider_line_width);
1241 int div_left = WINDOW_RIGHT (w) - window_divider_width (w);
1242 int y1 = WINDOW_TOP (w);
1243 int y2 = WINDOW_BOTTOM (w);
1245 /* Clear left and right spacing areas */
1250 mswindows_update_dc (hdc, Qnil,
1251 WINDOW_FACE_CACHEL_BACKGROUND (w, DEFAULT_INDEX), Qnil);
1252 rect.right = WINDOW_RIGHT (w);
1253 rect.left = rect.right - spacing;
1254 ExtTextOut (hdc, 0, 0, ETO_OPAQUE,
1255 &rect, NULL, 0, NULL);
1256 rect.left = div_left;
1257 rect.right = div_left + spacing;
1258 ExtTextOut (hdc, 0, 0, ETO_OPAQUE,
1259 &rect, NULL, 0, NULL);
1262 /* Clear divider face */
1263 rect.top = y1 + abs_shadow;
1264 rect.bottom = y2 - abs_shadow;
1265 rect.left = div_left + spacing + abs_shadow;
1266 rect.right = rect.left + line_width;
1267 if (rect.left < rect.right)
1270 = get_builtin_face_cache_index (w, Vvertical_divider_face);
1271 mswindows_update_dc (hdc, Qnil,
1272 WINDOW_FACE_CACHEL_BACKGROUND (w, div_face), Qnil);
1273 ExtTextOut (hdc, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);
1276 /* Draw a shadow around the divider */
1279 /* #### This will be fixed to support arbitrary thickness */
1280 InflateRect (&rect, abs_shadow, abs_shadow);
1281 DrawEdge (hdc, &rect,
1282 shadow > 0 ? EDGE_RAISED : EDGE_SUNKEN, BF_RECT);
1286 /****************************************************************************
1287 mswindows_text_width
1289 Given a string and a face, return the string's length in pixels when
1290 displayed in the font associated with the face.
1291 ****************************************************************************/
1293 mswindows_text_width (struct frame *f, struct face_cachel *cachel,
1294 const Emchar *str, Charcount len)
1296 HDC hdc = get_frame_dc (f, 0);
1297 int width_so_far = 0;
1298 unsigned char *text_storage = (unsigned char *) alloca (2 * len);
1299 textual_run *runs = alloca_array (textual_run, len);
1303 nruns = separate_textual_runs (text_storage, runs, str, len);
1305 for (i = 0; i < nruns; i++)
1306 width_so_far += mswindows_text_width_single_run (hdc,
1309 return width_so_far;
1313 /****************************************************************************
1314 mswindows_clear_region
1316 Clear the area in the box defined by the given parameters using the
1318 ****************************************************************************/
1320 mswindows_clear_region (Lisp_Object locale, struct device* d, struct frame* f,
1321 face_index findex, int x, int y,
1322 int width, int height, Lisp_Object fcolor, Lisp_Object bcolor,
1323 Lisp_Object background_pixmap)
1325 RECT rect = { x, y, x+width, y+height };
1326 HDC hdc = get_frame_dc (f, 1);
1328 if (!NILP (background_pixmap))
1330 struct display_box db = { x, y, width, height };
1331 mswindows_update_dc (hdc,
1332 fcolor, bcolor, background_pixmap);
1333 mswindows_output_dibitmap_region
1334 ( f, XIMAGE_INSTANCE (background_pixmap), &db, 0);
1338 mswindows_update_dc (hdc, Qnil, fcolor, Qnil);
1339 ExtTextOut (hdc, 0, 0, ETO_OPAQUE,
1340 &rect, NULL, 0, NULL);
1343 #ifdef HAVE_SCROLLBARS
1344 if (WINDOWP (locale))
1345 mswindows_redisplay_deadbox_maybe (XWINDOW (locale), &rect);
1349 /* XXX Implement me! */
1351 mswindows_clear_frame (struct frame *f)
1358 /************************************************************************/
1359 /* initialization */
1360 /************************************************************************/
1363 console_type_create_redisplay_mswindows (void)
1365 /* redisplay methods - display*/
1366 CONSOLE_HAS_METHOD (mswindows, text_width);
1367 CONSOLE_HAS_METHOD (mswindows, output_display_block);
1368 CONSOLE_HAS_METHOD (mswindows, divider_height);
1369 CONSOLE_HAS_METHOD (mswindows, eol_cursor_width);
1370 CONSOLE_HAS_METHOD (mswindows, output_vertical_divider);
1371 CONSOLE_HAS_METHOD (mswindows, clear_region);
1372 CONSOLE_HAS_METHOD (mswindows, clear_frame);
1373 CONSOLE_HAS_METHOD (mswindows, output_begin);
1374 CONSOLE_HAS_METHOD (mswindows, output_end);
1375 CONSOLE_HAS_METHOD (mswindows, flash);
1376 CONSOLE_HAS_METHOD (mswindows, ring_bell);
1377 CONSOLE_HAS_METHOD (mswindows, bevel_area);
1378 CONSOLE_HAS_METHOD (mswindows, output_string);
1379 CONSOLE_HAS_METHOD (mswindows, output_pixmap);
1381 /* redisplay methods - printer */
1382 CONSOLE_INHERITS_METHOD (msprinter, mswindows, text_width);
1383 CONSOLE_INHERITS_METHOD (msprinter, mswindows, output_display_block);
1384 CONSOLE_INHERITS_METHOD (msprinter, mswindows, divider_height);
1385 CONSOLE_INHERITS_METHOD (msprinter, mswindows, eol_cursor_width);
1386 CONSOLE_INHERITS_METHOD (msprinter, mswindows, output_vertical_divider);
1387 CONSOLE_INHERITS_METHOD (msprinter, mswindows, clear_region);
1388 CONSOLE_INHERITS_METHOD (msprinter, mswindows, clear_frame);
1389 CONSOLE_INHERITS_METHOD (msprinter, mswindows, output_begin);
1390 CONSOLE_INHERITS_METHOD (msprinter, mswindows, output_end);
1391 CONSOLE_INHERITS_METHOD (msprinter, mswindows, bevel_area);
1392 CONSOLE_INHERITS_METHOD (msprinter, mswindows, output_string);
1393 CONSOLE_INHERITS_METHOD (msprinter, mswindows, output_pixmap);