/****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2013,2014 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 *
/*
* TODO - GetMousePos(POINT * result) from ntconio.c
* TODO - implement nodelay
+ * TODO - when $NCGDB is set, implement non-buffered output, like PDCurses
*/
#include <curses.priv.h>
#define CUR my_term.type.
-MODULE_ID("$Id: win_driver.c,v 1.20 2013/08/17 19:25:30 tom Exp $")
+MODULE_ID("$Id: win_driver.c,v 1.23 2014/02/15 23:21:44 tom Exp $")
#define WINMAGIC NCDRV_MAGIC(NCDRV_WINCONSOLE)
#define GenMap(vKey,key) MAKELONG(key, vKey)
+#define AdjustY(p) ((p)->buffered ? 0 : (p)->SBI.srWindow.Top)
+
static const LONG keylist[] =
{
GenMap(VK_PRIOR, KEY_PPAGE),
DWORD map[MAPSIZE];
DWORD rmap[MAPSIZE];
WORD pairs[NUMPAIRS];
+ bool buffered;
+ COORD origin;
+ CHAR_INFO *save_screen;
} Properties;
#define PropOf(TCB) ((Properties*)TCB->prop)
int i;
cchar_t ch;
SCREEN *sp;
+ Properties *p = PropOf(TCB);
AssertTCB();
siz.Y = 1;
rec.Left = (short) x;
- rec.Top = (short) y;
+ rec.Top = (short) y + AdjustY(p);
rec.Right = (short) (x + limit - 1);
rec.Bottom = rec.Top;
if (ChAttrOf(ch) & A_ALTCHARSET) {
if (sp->_acs_map)
ci[i].Char.AsciiChar =
- ChCharOf(NCURSES_SP_NAME(_nc_acs_char) (sp, ChCharOf(ch)));
+ ChCharOf(NCURSES_SP_NAME(_nc_acs_char) (sp, ChCharOf(ch)));
}
}
return (code);
}
+static bool
+get_SBI(TERMINAL_CONTROL_BLOCK * TCB)
+{
+ bool rc = FALSE;
+ Properties *p = PropOf(TCB);
+ if (GetConsoleScreenBufferInfo(TCB->hdl, &(p->SBI))) {
+ T(("GetConsoleScreenBufferInfo"));
+ T(("... buffer(X:%d Y:%d)",
+ p->SBI.dwSize.X,
+ p->SBI.dwSize.Y));
+ T(("... window(X:%d Y:%d)",
+ p->SBI.dwMaximumWindowSize.X,
+ p->SBI.dwMaximumWindowSize.Y));
+ T(("... cursor(X:%d Y:%d)",
+ p->SBI.dwCursorPosition.X,
+ p->SBI.dwCursorPosition.Y));
+ T(("... display(Top:%d Bottom:%d Left:%d Right:%d)",
+ p->SBI.srWindow.Top,
+ p->SBI.srWindow.Bottom,
+ p->SBI.srWindow.Left,
+ p->SBI.srWindow.Right));
+ if (p->buffered) {
+ p->origin.X = 0;
+ p->origin.Y = 0;
+ } else {
+ p->origin.X = p->SBI.srWindow.Left;
+ p->origin.Y = p->SBI.srWindow.Top;
+ }
+ rc = TRUE;
+ } else {
+ T(("GetConsoleScreenBufferInfo ERR"));
+ }
+ return rc;
+}
+
static void
drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
int fore,
{
AssertTCB();
- if (okConsoleHandle(TCB)) {
+ if (okConsoleHandle(TCB) &&
+ PropOf(TCB) != 0) {
WORD a = MapColor(fore, color);
a = ((PropOf(TCB)->SBI.wAttributes) & (fore ? 0xfff8 : 0xff8f)) | a;
SetConsoleTextAttribute(TCB->hdl, a);
- GetConsoleScreenBufferInfo(TCB->hdl, &(PropOf(TCB)->SBI));
+ get_SBI(TCB);
}
}
if (okConsoleHandle(TCB)) {
WORD a = FOREGROUND_BLUE | FOREGROUND_RED | FOREGROUND_GREEN;
SetConsoleTextAttribute(TCB->hdl, a);
- GetConsoleScreenBufferInfo(TCB->hdl, &(PropOf(TCB)->SBI));
+ get_SBI(TCB);
res = TRUE;
}
return res;
T((T_CALLED("win32con::drv_size(%p)"), TCB));
if (okConsoleHandle(TCB) &&
+ PropOf(TCB) != 0 &&
Lines != NULL &&
Cols != NULL) {
- *Lines = (int) (PropOf(TCB)->SBI.dwSize.Y);
- *Cols = (int) (PropOf(TCB)->SBI.dwSize.X);
+ if (PropOf(TCB)->buffered) {
+ *Lines = (int) (PropOf(TCB)->SBI.dwSize.Y);
+ *Cols = (int) (PropOf(TCB)->SBI.dwSize.X);
+ } else {
+ *Lines = (int) (PropOf(TCB)->SBI.srWindow.Bottom + 1 -
+ PropOf(TCB)->SBI.srWindow.Top);
+ *Cols = (int) (PropOf(TCB)->SBI.srWindow.Right + 1 -
+ PropOf(TCB)->SBI.srWindow.Left);
+ }
result = OK;
}
returnCode(result);
returnVoid;
}
+/*
+ * Attempt to save the screen contents. PDCurses does this if
+ * PDC_RESTORE_SCREEN is set, giving the same visual appearance on restoration
+ * as if the library had allocated a console buffer.
+ */
+static bool
+save_original_screen(TERMINAL_CONTROL_BLOCK * TCB)
+{
+ bool result = FALSE;
+ Properties *p = PropOf(TCB);
+ COORD bufferSize;
+ COORD bufferCoord;
+ SMALL_RECT readRegion;
+ size_t want;
+
+ bufferSize.X = p->SBI.dwSize.X;
+ bufferSize.Y = p->SBI.dwSize.Y;
+ want = bufferSize.X * bufferSize.Y;
+
+ if ((p->save_screen = malloc(want * sizeof(CHAR_INFO))) != 0) {
+ bufferCoord.X = bufferCoord.Y = 0;
+
+ readRegion.Top = 0;
+ readRegion.Left = 0;
+ readRegion.Bottom = bufferSize.Y - 1;
+ readRegion.Right = bufferSize.X - 1;
+
+ T(("... reading console buffer %dx%d into %d,%d - %d,%d at %d,%d",
+ bufferSize.Y, bufferSize.X,
+ readRegion.Top,
+ readRegion.Left,
+ readRegion.Bottom,
+ readRegion.Right,
+ bufferCoord.Y,
+ bufferCoord.X));
+
+ if (ReadConsoleOutput(TCB->hdl,
+ p->save_screen,
+ bufferSize,
+ bufferCoord,
+ &readRegion)) {
+ result = TRUE;
+ } else {
+ T((" error %#lx", (unsigned long) GetLastError()));
+ FreeAndNull(p->save_screen);
+
+ bufferSize.X = p->SBI.srWindow.Right - p->SBI.srWindow.Left + 1;
+ bufferSize.Y = p->SBI.srWindow.Bottom - p->SBI.srWindow.Top + 1;
+ want = bufferSize.X * bufferSize.Y;
+
+ if ((p->save_screen = malloc(want * sizeof(CHAR_INFO))) != 0) {
+ bufferCoord.X = bufferCoord.Y = 0;
+
+ readRegion.Top = p->SBI.srWindow.Top;
+ readRegion.Left = p->SBI.srWindow.Left;
+ readRegion.Bottom = p->SBI.srWindow.Bottom;
+ readRegion.Right = p->SBI.srWindow.Right;
+
+ T(("... reading console window %dx%d into %d,%d - %d,%d at %d,%d",
+ bufferSize.Y, bufferSize.X,
+ readRegion.Top,
+ readRegion.Left,
+ readRegion.Bottom,
+ readRegion.Right,
+ bufferCoord.Y,
+ bufferCoord.X));
+
+ if (ReadConsoleOutput(TCB->hdl,
+ p->save_screen,
+ bufferSize,
+ bufferCoord,
+ &readRegion)) {
+ result = TRUE;
+ } else {
+ T((" error %#lx", (unsigned long) GetLastError()));
+ }
+ }
+ }
+ }
+
+ T(("... save original screen contents %s", result ? "ok" : "err"));
+ return result;
+}
+
static void
drv_init(TERMINAL_CONTROL_BLOCK * TCB)
{
BOOL b = AllocConsole();
WORD a;
int i;
+ bool buffered = TRUE;
if (!b)
b = AttachConsole(ATTACH_PARENT_PROCESS);
TCB->inp = GetStdHandle(STD_INPUT_HANDLE);
TCB->out = GetStdHandle(STD_OUTPUT_HANDLE);
- if (getenv("NCGDB"))
+ if (getenv("NCGDB")) {
TCB->hdl = TCB->out;
- else
+ buffered = FALSE;
+ } else {
TCB->hdl = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE,
0,
NULL,
CONSOLE_TEXTMODE_BUFFER,
NULL);
+ }
- if (!InvalidConsoleHandle(TCB->hdl)) {
- TCB->prop = typeCalloc(Properties, 1);
- GetConsoleScreenBufferInfo(TCB->hdl, &(PropOf(TCB)->SBI));
+ if (InvalidConsoleHandle(TCB->hdl)) {
+ returnVoid;
+ } else if ((TCB->prop = typeCalloc(Properties, 1)) != 0) {
+ PropOf(TCB)->buffered = buffered;
+ if (!get_SBI(TCB)) {
+ FreeAndNull(TCB->prop); /* force error in drv_size */
+ returnVoid;
+ }
+ if (!buffered) {
+ if (!save_original_screen(TCB)) {
+ FreeAndNull(TCB->prop); /* force error in drv_size */
+ returnVoid;
+ }
+ }
}
TCB->info.initcolor = TRUE;
{
int ret = ERR;
if (okConsoleHandle(TCB)) {
+ Properties *p = PropOf(TCB);
COORD loc;
loc.X = (short) x;
- loc.Y = (short) y;
+ loc.Y = (short) y + AdjustY(p);
SetConsoleCursorPosition(TCB->hdl, loc);
ret = OK;
}
* FIXME: implement continuous event-tracking.
*/
if (sp->_drv_mouse_new_buttons != sp->_drv_mouse_old_buttons) {
+ Properties *p = PropOf(TCB);
memset(&work, 0, sizeof(work));
}
work.x = mer.dwMousePosition.X;
- work.y = mer.dwMousePosition.Y;
+ work.y = mer.dwMousePosition.Y - AdjustY(p);
sp->_drv_mouse_fifo[sp->_drv_mouse_tail] = work;
sp->_drv_mouse_tail += 1;
projects / ncurses.git / blobdiff