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Diffstat (limited to 'nx-X11/programs/xterm/doublechr.c')
| -rw-r--r-- | nx-X11/programs/xterm/doublechr.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/nx-X11/programs/xterm/doublechr.c b/nx-X11/programs/xterm/doublechr.c deleted file mode 100644 index b768b2ed7..000000000 --- a/nx-X11/programs/xterm/doublechr.c +++ /dev/null @@ -1,267 +0,0 @@ -/* $XTermId: doublechr.c,v 1.43 2005/08/05 01:25:39 tom Exp $ */ - -/* - * $XFree86: xc/programs/xterm/doublechr.c,v 3.17 2005/08/05 01:25:39 dickey Exp $ - */ - -/************************************************************ - -Copyright 1997-2004,2005 by Thomas E. Dickey - - All Rights Reserved - -Permission is hereby granted, free of charge, to any person obtaining a -copy of this software and associated documentation files (the -"Software"), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject to -the following conditions: - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY -CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name(s) of the above copyright -holders shall not be used in advertising or otherwise to promote the -sale, use or other dealings in this Software without prior written -authorization. - -********************************************************/ - -#include <xterm.h> -#include <data.h> -#include <fontutils.h> - -#include <assert.h> - -/* - * The first column is all that matters for double-size characters (since the - * controls apply to a whole line). However, it's easier to maintain the - * information for special fonts by writing to all cells. - */ -#define curChrSet SCRN_BUF_CSETS(screen, screen->cur_row)[0] - -#if OPT_DEC_CHRSET -static void -repaint_line(unsigned newChrSet) -{ - register TScreen *screen = &term->screen; - int curcol = screen->cur_col; - int currow = screen->cur_row; - unsigned len = MaxCols(screen); - int width = len; - unsigned oldChrSet = SCRN_BUF_CSETS(screen, currow)[0]; - - assert(width > 0); - - /* - * Ignore repetition. - */ - if (oldChrSet == newChrSet) - return; - - TRACE(("repaint_line(%2d,%2d) (%d)\n", currow, screen->cur_col, newChrSet)); - HideCursor(); - - /* If switching from single-width, keep the cursor in the visible part - * of the line. - */ - if (CSET_DOUBLE(newChrSet)) { - width /= 2; - if (curcol > width) - curcol = width; - } - - /* - * ScrnRefresh won't paint blanks for us if we're switching between a - * single-size and double-size font. So we paint our own. - */ - if (CSET_DOUBLE(oldChrSet) != CSET_DOUBLE(newChrSet)) { - ClearCurBackground(screen, - CursorY(screen, currow), - CurCursorX(screen, currow, 0), - (unsigned) FontHeight(screen), - len * CurFontWidth(screen, currow)); - } - - /* FIXME: do VT220 softchars allow double-sizes? */ - memset(SCRN_BUF_CSETS(screen, currow), (Char) newChrSet, len); - - set_cur_col(screen, 0); - ScrnUpdate(screen, currow, 0, 1, (int) len, True); - set_cur_col(screen, curcol); -} -#endif - -/* - * Set the line to double-height characters. The 'top' flag denotes whether - * we'll be using it for the top (true) or bottom (false) of the line. - */ -void -xterm_DECDHL(Bool top) -{ -#if OPT_DEC_CHRSET - repaint_line((unsigned) (top ? CSET_DHL_TOP : CSET_DHL_BOT)); -#endif -} - -/* - * Set the line to single-width characters (the normal state). - */ -void -xterm_DECSWL(void) -{ -#if OPT_DEC_CHRSET - repaint_line(CSET_SWL); -#endif -} - -/* - * Set the line to double-width characters - */ -void -xterm_DECDWL(void) -{ -#if OPT_DEC_CHRSET - repaint_line(CSET_DWL); -#endif -} - -#if OPT_DEC_CHRSET -static void -discard_font(TScreen * screen, XTermFonts * data) -{ - TRACE(("discard_font chrset=%d %s\n", data->chrset, - (data->fn != 0) ? data->fn : "<no-name>")); - - data->chrset = 0; - data->flags = 0; - if (data->gc != 0) { - XFreeGC(screen->display, data->gc); - data->gc = 0; - } - if (data->fn != 0) { - free(data->fn); - data->fn = 0; - } - if (data->fs != 0) { - XFreeFont(screen->display, data->fs); - data->fs = 0; - } -} - -int -xterm_Double_index(unsigned chrset, unsigned flags) -{ - int n; - TScreen *screen = &term->screen; - XTermFonts *data = screen->double_fonts; - - flags &= BOLD; - TRACE(("xterm_Double_index chrset=%#x, flags=%#x\n", chrset, flags)); - - for (n = 0; n < screen->fonts_used; n++) { - if (data[n].chrset == chrset - && data[n].flags == flags) { - if (n != 0) { - XTermFonts save; - TRACE(("...xterm_Double_index -> %d (OLD:%d)\n", n, screen->fonts_used)); - save = data[n]; - while (n > 0) { - data[n] = data[n - 1]; - n--; - } - data[n] = save; - } - return n; - } - } - - /* Not, found, push back existing fonts and create a new entry */ - if (screen->fonts_used >= screen->cache_doublesize) { - TRACE(("...xterm_Double_index: discard oldest\n")); - discard_font(screen, &(data[screen->fonts_used - 1])); - } else { - screen->fonts_used += 1; - } - for (n = screen->fonts_used; n > 0; n--) - data[n] = data[n - 1]; - - TRACE(("...xterm_Double_index -> (NEW:%d)\n", screen->fonts_used)); - - data[0].chrset = chrset; - data[0].flags = flags; - data[0].fn = 0; - data[0].fs = 0; - data[0].gc = 0; - return 0; -} - -/* - * Lookup/cache a GC for the double-size character display. We save up to - * NUM_CHRSET values. - */ -GC -xterm_DoubleGC(unsigned chrset, unsigned flags, GC old_gc) -{ - XGCValues gcv; - register TScreen *screen = &term->screen; - unsigned long mask = (GCForeground | GCBackground | GCFont); - int n; - char *name; - XTermFonts *data; - - if ((name = xtermSpecialFont(screen, flags, chrset)) == 0) - return 0; - - n = xterm_Double_index(chrset, flags); - data = &(screen->double_fonts[n]); - if (data->fn != 0) { - if (!strcmp(data->fn, name)) { - if (data->fs != 0) { - XCopyGC(screen->display, old_gc, (unsigned long) (~GCFont), data->gc); - return data->gc; - } - } - discard_font(screen, data); - data->chrset = chrset; - data->flags = flags & BOLD; - } - data->fn = name; - - TRACE(("xterm_DoubleGC %s %d: %s\n", flags & BOLD ? "BOLD" : "NORM", n, name)); - - if ((data->fs = XLoadQueryFont(screen->display, name)) == 0) { - /* Retry with * in resolutions */ - char *nname = xtermSpecialFont(screen, flags | NORESOLUTION, chrset); - - if (!nname) - return 0; - if ((data->fs = XLoadQueryFont(screen->display, nname)) == 0) { - XtFree(nname); - return 0; - } - XtFree(name); - data->fn = nname; - } - - TRACE(("-> OK\n")); - - gcv.graphics_exposures = TRUE; /* default */ - gcv.font = data->fs->fid; - gcv.foreground = T_COLOR(screen, TEXT_FG); - gcv.background = T_COLOR(screen, TEXT_BG); - - data->gc = XCreateGC(screen->display, VWindow(screen), mask, &gcv); - XCopyGC(screen->display, old_gc, (unsigned long) (~GCFont), data->gc); - return data->gc; -} -#endif |