]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - ncurses/win32con/win_driver.c
ncurses 5.9 - patch 20130105
[ncurses.git] / ncurses / win32con / win_driver.c
index c214639cd4df29e8025646f9af44a276a54ee39b..9b7a752ecc411a5f3d1eafd50dacdcde19775e30 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -28,7 +28,6 @@
 
 /****************************************************************************
  *  Author: Juergen Pfeifer                                                 *
- *                                                                          *
  ****************************************************************************/
 
 /*
 #include <curses.priv.h>
 #define CUR my_term.type.
 
-MODULE_ID("$Id: win_driver.c,v 1.10 2010/12/25 19:28:21 tom Exp $")
+MODULE_ID("$Id: win_driver.c,v 1.16 2013/01/05 23:16:54 tom Exp $")
 
 #define WINMAGIC NCDRV_MAGIC(NCDRV_WINCONSOLE)
 
+#define EXP_OPTIMIZE 0
+
 #define AssertTCB() assert(TCB!=0 && TCB->magic==WINMAGIC)
-#define SetSP() assert(TCB->csp!=0); sp = TCB->csp
+#define SetSP() assert(TCB->csp!=0); sp = TCB->csp; (void) sp
 
 #define GenMap(vKey,key) MAKELONG(key, vKey)
 
@@ -103,7 +104,7 @@ MapColor(bool fore, int color)
 }
 
 static WORD
-MapAttr(TERMINAL_CONTROL_BLOCK * TCB, WORD res, chtype ch)
+MapAttr(TERMINAL_CONTROL_BLOCK * TCB, WORD res, attr_t ch)
 {
     if (ch & A_COLOR) {
        int p;
@@ -135,8 +136,71 @@ MapAttr(TERMINAL_CONTROL_BLOCK * TCB, WORD res, chtype ch)
     return res;
 }
 
+#if USE_WIDEC_SUPPORT
+/*
+ * TODO: support surrogate pairs
+ * TODO: support combining characters
+ * TODO: support acsc
+ * TODO: check wcwidth of base character, fill if needed for double-width
+ * TODO: _nc_wacs should be part of sp.
+ */
+static BOOL
+con_write16(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, cchar_t *str, int limit)
+{
+    int actual = 0;
+    CHAR_INFO ci[limit];
+    COORD loc, siz;
+    SMALL_RECT rec;
+    int i;
+    cchar_t ch;
+    SCREEN *sp;
+
+    AssertTCB();
+
+    if (TCB == 0 || InvalidConsoleHandle(TCB->hdl))
+       return FALSE;
+
+    SetSP();
+
+    for (i = actual = 0; i < limit; i++) {
+       ch = str[i];
+       if (isWidecExt(ch))
+           continue;
+       ci[actual].Char.UnicodeChar = CharOf(ch);
+       ci[actual].Attributes = MapAttr(TCB,
+                                       PropOf(TCB)->SBI.wAttributes,
+                                       AttrOf(ch));
+       if (AttrOf(ch) & A_ALTCHARSET) {
+           if (_nc_wacs) {
+               int which = CharOf(ch);
+               if (which > 0
+                   && which < ACS_LEN
+                   && CharOf(_nc_wacs[which]) != 0) {
+                   ci[actual].Char.UnicodeChar = CharOf(_nc_wacs[which]);
+               } else {
+                   ci[actual].Char.UnicodeChar = ' ';
+               }
+           }
+       }
+       ++actual;
+    }
+
+    loc.X = (short) 0;
+    loc.Y = (short) 0;
+    siz.X = (short) actual;
+    siz.Y = 1;
+
+    rec.Left = (short) x;
+    rec.Top = (short) y;
+    rec.Right = (short) (x + limit - 1);
+    rec.Bottom = rec.Top;
+
+    return WriteConsoleOutputW(TCB->hdl, ci, siz, loc, &rec);
+}
+#define con_write(tcb, y, x, str, n) con_write16(tcb, y, x, str, n)
+#else
 static BOOL
-con_write(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, chtype *str, int n)
+con_write8(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, chtype *str, int n)
 {
     CHAR_INFO ci[n];
     COORD loc, siz;
@@ -177,6 +241,83 @@ con_write(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, chtype *str, int n)
 
     return WriteConsoleOutput(TCB->hdl, ci, siz, loc, &rec);
 }
+#define con_write(tcb, y, x, str, n) con_write8(tcb, y, x, str, n)
+#endif
+
+#if EXP_OPTIMIZE
+/*
+ * Comparing new/current screens, determine the last column-index for a change
+ * beginning on the given row,col position.  Unlike a serial terminal, there is
+ * no cost for "moving" the "cursor" on the line as we update it.
+ */
+static int
+find_end_of_change(SCREEN *sp, int row, int col)
+{
+    int result = col;
+    struct ldat *curdat = CurScreen(sp)->_line + row;
+    struct ldat *newdat = NewScreen(sp)->_line + row;
+
+    while (col <= newdat->lastchar) {
+#if USE_WIDEC_SUPPORT
+       if (isWidecExt(curdat->text[col]) || isWidecExt(newdat->text[col])) {
+           result = col;
+       } else if (memcmp(&curdat->text[col],
+                         &newdat->text[col],
+                         sizeof(curdat->text[0]))) {
+           result = col;
+       } else {
+           break;
+       }
+#else
+       if (curdat->text[col] != newdat->text[col]) {
+           result = col;
+       } else {
+           break;
+       }
+#endif
+       ++col;
+    }
+    return result;
+}
+
+/*
+ * Given a row,col position at the end of a change-chunk, look for the
+ * beginning of the next change-chunk.
+ */
+static int
+find_next_change(SCREEN *sp, int row, int col)
+{
+    struct ldat *curdat = CurScreen(sp)->_line + row;
+    struct ldat *newdat = NewScreen(sp)->_line + row;
+    int result = newdat->lastchar + 1;
+
+    while (++col <= newdat->lastchar) {
+#if USE_WIDEC_SUPPORT
+       if (isWidecExt(curdat->text[col]) != isWidecExt(newdat->text[col])) {
+           result = col;
+           break;
+       } else if (memcmp(&curdat->text[col],
+                         &newdat->text[col],
+                         sizeof(curdat->text[0]))) {
+           result = col;
+           break;
+       }
+#else
+       if (curdat->text[col] != newdat->text[col]) {
+           result = col;
+           break;
+       }
+#endif
+    }
+    return result;
+}
+
+#define EndChange(first) \
+       find_end_of_change(sp, y, first)
+#define NextChange(last) \
+       find_next_change(sp, y, last)
+
+#endif /* EXP_OPTIMIZE */
 
 #define MARK_NOCHANGE(win,row) \
                win->_line[row].firstchar = _NOCHANGE; \
@@ -197,16 +338,27 @@ drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
 
     if ((CurScreen(sp)->_clear || NewScreen(sp)->_clear)) {
        int x;
+#if USE_WIDEC_SUPPORT
+       cchar_t empty[Width];
+       wchar_t blank[2] =
+       {
+           L' ', L'\0'
+       };
+
+       for (x = 0; x < Width; x++)
+           setcchar(&empty[x], blank, 0, 0, 0);
+#else
        chtype empty[Width];
 
        for (x = 0; x < Width; x++)
            empty[x] = ' ';
+#endif
 
        for (y = 0; y < nonempty; y++) {
            con_write(TCB, y, 0, empty, Width);
            memcpy(empty,
                   CurScreen(sp)->_line[y].text,
-                  Width * sizeof(chtype));
+                  Width * sizeof(empty[0]));
        }
        CurScreen(sp)->_clear = FALSE;
        NewScreen(sp)->_clear = FALSE;
@@ -216,16 +368,42 @@ drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
     for (y = 0; y < nonempty; y++) {
        x0 = NewScreen(sp)->_line[y].firstchar;
        if (x0 != _NOCHANGE) {
+#if EXP_OPTIMIZE
+           int x2;
+           int limit = NewScreen(sp)->_line[y].lastchar;
+           while ((x1 = EndChange(x0)) <= limit) {
+               while ((x2 = NextChange(x1)) <= limit && x2 <= (x1 + 2)) {
+                   x1 = x2;
+               }
+               n = x1 - x0 + 1;
+               memcpy(&CurScreen(sp)->_line[y].text[x0],
+                      &NewScreen(sp)->_line[y].text[x0],
+                      n * sizeof(CurScreen(sp)->_line[y].text[x0]));
+               con_write(TCB,
+                         y,
+                         x0,
+                         &CurScreen(sp)->_line[y].text[x0], n);
+               x0 = NextChange(x1);
+           }
+
+           /* mark line changed successfully */
+           if (y <= NewScreen(sp)->_maxy) {
+               MARK_NOCHANGE(NewScreen(sp), y);
+           }
+           if (y <= CurScreen(sp)->_maxy) {
+               MARK_NOCHANGE(CurScreen(sp), y);
+           }
+#else
            x1 = NewScreen(sp)->_line[y].lastchar;
            n = x1 - x0 + 1;
            if (n > 0) {
-               memcpy(CurScreen(sp)->_line[y].text + x0,
-                      NewScreen(sp)->_line[y].text + x0,
-                      n * sizeof(chtype));
+               memcpy(&CurScreen(sp)->_line[y].text[x0],
+                      &NewScreen(sp)->_line[y].text[x0],
+                      n * sizeof(CurScreen(sp)->_line[y].text[x0]));
                con_write(TCB,
                          y,
                          x0,
-                         ((chtype *) CurScreen(sp)->_line[y].text) + x0, n);
+                         &CurScreen(sp)->_line[y].text[x0], n);
 
                /* mark line changed successfully */
                if (y <= NewScreen(sp)->_maxy) {
@@ -235,6 +413,7 @@ drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
                    MARK_NOCHANGE(CurScreen(sp), y);
                }
            }
+#endif
        }
     }
 
@@ -269,7 +448,7 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB,
     assert(tname != 0);
 
     TCB->magic = WINMAGIC;
-    if (*tname == 0 || *tname == 0) {
+    if (*tname == 0 || *tname == 0 || *tname == '#') {
        code = TRUE;
     } else {
        TERMINAL my_term;
@@ -308,7 +487,7 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB,
 
 static int
 drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB,
-               bool beepFlag GCC_UNUSED)
+               int beepFlag GCC_UNUSED)
 {
     SCREEN *sp;
     int res = ERR;
@@ -348,7 +527,7 @@ drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB,
 
 static void
 drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
-            bool fore,
+            int fore,
             int color,
             int (*outc) (SCREEN *, int) GCC_UNUSED)
 {
@@ -412,7 +591,7 @@ drv_setsize(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED,
 }
 
 static int
-drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, bool setFlag, TTY * buf)
+drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
 {
     DWORD dwFlag = 0;
     tcflag_t iflag;
@@ -479,7 +658,7 @@ drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, bool setFlag, TTY * buf)
 }
 
 static int
-drv_mode(TERMINAL_CONTROL_BLOCK * TCB, bool progFlag, bool defFlag)
+drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
 {
     SCREEN *sp;
     TERMINAL *_term = (TERMINAL *) TCB;
@@ -674,9 +853,9 @@ drv_init(TERMINAL_CONTROL_BLOCK * TCB)
 
 static void
 drv_initpair(TERMINAL_CONTROL_BLOCK * TCB,
-            short pair,
-            short f,
-            short b)
+            int pair,
+            int f,
+            int b)
 {
     SCREEN *sp;
 
@@ -691,10 +870,10 @@ drv_initpair(TERMINAL_CONTROL_BLOCK * TCB,
 
 static void
 drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
-             short color GCC_UNUSED,
-             short r GCC_UNUSED,
-             short g GCC_UNUSED,
-             short b GCC_UNUSED)
+             int color GCC_UNUSED,
+             int r GCC_UNUSED,
+             int g GCC_UNUSED,
+             int b GCC_UNUSED)
 {
     SCREEN *sp;
 
@@ -704,9 +883,9 @@ drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
 
 static void
 drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
-            short old_pair GCC_UNUSED,
-            short pair GCC_UNUSED,
-            bool reverse GCC_UNUSED,
+            int old_pair GCC_UNUSED,
+            int pair GCC_UNUSED,
+            int reverse GCC_UNUSED,
             int (*outc) (SCREEN *, int) GCC_UNUSED
 )
 {
@@ -778,7 +957,7 @@ drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB,
 
 static void
 drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB,
-                bool OnFlag GCC_UNUSED)
+                int OnFlag GCC_UNUSED)
 {
     SCREEN *sp;
 
@@ -1080,7 +1259,6 @@ drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
     BOOL b;
     DWORD nRead;
     WORD vk;
-    WORD sc;
 
     AssertTCB();
     assert(buf);
@@ -1096,7 +1274,6 @@ drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
                    continue;
                *buf = (int) inp_rec.Event.KeyEvent.uChar.AsciiChar;
                vk = inp_rec.Event.KeyEvent.wVirtualKeyCode;
-               sc = inp_rec.Event.KeyEvent.wVirtualScanCode;
                if (*buf == 0) {
                    if (sp->_keypad_on) {
                        *buf = MapKey(TCB, vk);
@@ -1157,7 +1334,7 @@ drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int keycode)
 }
 
 static int
-drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, bool flag GCC_UNUSED)
+drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag GCC_UNUSED)
 {
     SCREEN *sp;
     int code = ERR;
@@ -1172,7 +1349,7 @@ drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, bool flag GCC_UNUSED)
 }
 
 static int
-drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int keycode, bool flag)
+drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int keycode, int flag)
 {
     int code = ERR;
     SCREEN *sp;