ncurses 5.7 - patch 20090627

[ncurses.git] / ncurses / base / lib_driver.c

diff --git a/ncurses/base/lib_driver.c b/ncurses/base/lib_driver.c
new file mode 100644 (file)
index 0000000..1be9903
--- /dev/null
+++ b/ncurses/base/lib_driver.c
@@ -0,0 +1,142 @@
+/****************************************************************************
+ * Copyright (c) 2008,2009 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            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, 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 COPYRIGHT HOLDERS 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.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Juergen Pfeifer                                                 *
+ *                                                                          *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_driver.c,v 1.1 2009/02/21 15:11:29 juergen Exp $")
+
+typedef struct DriverEntry {
+    const char *name;
+    TERM_DRIVER *driver;
+} DRIVER_ENTRY;
+
+static DRIVER_ENTRY DriverTable[] =
+{
+#ifdef __MINGW32__
+    {"win", &_nc_WIN_DRIVER},
+#endif
+    {"tinfo", &_nc_TINFO_DRIVER}
+};
+
+#define NUM_DRIVERS (int)(sizeof(DriverTable)/sizeof(DRIVER_ENTRY))
+
+NCURSES_EXPORT(int)
+_nc_get_driver(TERMINAL_CONTROL_BLOCK * TCB, const char *name, int *errret)
+{
+    int code = ERR;
+    int i;
+    TERM_DRIVER *res = (TERM_DRIVER *) 0;
+    TERM_DRIVER *use = 0;
+
+    assert(TCB != 0);
+
+    for (i = 0; i < NUM_DRIVERS; i++) {
+       res = DriverTable[i].driver;
+       if (res->CanHandle(TCB, name, errret)) {
+           use = res;
+           break;
+       }
+    }
+    if (use != 0) {
+       TCB->drv = use;
+       code = OK;
+    }
+    return (code);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(has_key) (SCREEN *sp, int keycode)
+{
+    T((T_CALLED("has_key(%p, %d)"), sp, keycode));
+    returnCode(IsValidTIScreen(sp) ? CallDriver_1(sp, kyExist, keycode) : FALSE);
+}
+
+NCURSES_EXPORT(int)
+has_key(int keycode)
+{
+    return NCURSES_SP_NAME(has_key) (CURRENT_SCREEN, keycode);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(_nc_mcprint) (SCREEN *sp, char *data, int len)
+{
+    int code = ERR;
+
+    if (0 != TerminalOf(sp))
+       code = CallDriver_2(sp, print, data, len);
+    return (code);
+}
+
+NCURSES_EXPORT(int)
+mcprint(char *data, int len)
+{
+    return NCURSES_SP_NAME(_nc_mcprint) (CURRENT_SCREEN, data, len);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(doupdate) (SCREEN *sp)
+{
+    int code = ERR;
+
+    T((T_CALLED("doupdate(%p)"), sp));
+
+    if (IsValidScreen(sp))
+       code = CallDriver(sp, update);
+
+    returnCode(code);
+}
+
+NCURSES_EXPORT(int)
+doupdate(void)
+{
+    return NCURSES_SP_NAME(doupdate) (CURRENT_SCREEN);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(mvcur) (SCREEN *sp, int yold, int xold, int ynew, int xnew)
+{
+    int code = ERR;
+    TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("mvcur(%p,%d,%d,%d,%d)"),
+                                 sp, yold, xold, ynew, xnew));
+    if (HasTerminal(sp)) {
+       code = CallDriver_4(sp, hwcur, yold, xold, ynew, xnew);
+    }
+    returnCode(code);
+}
+
+NCURSES_EXPORT(int)
+mvcur(int yold, int xold, int ynew, int xnew)
+/* optimized cursor move from (yold, xold) to (ynew, xnew) */
+{
+    return NCURSES_SP_NAME(mvcur) (CURRENT_SCREEN, yold, xold, ynew, xnew);
+}