/* Input event support for Emacs on the Microsoft W32 API.
- Copyright (C) 1992-1993, 1995, 2001-2011 Free Software Foundation, Inc.
+ Copyright (C) 1992-1993, 1995, 2001-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include "keyboard.h"
#include "frame.h"
#include "dispextern.h"
+#include "window.h"
#include "blockinput.h"
#include "termhooks.h"
+#include "termchar.h"
#include "w32heap.h"
#include "w32term.h"
+#include "w32inevt.h"
/* stdin, from w32console.c */
extern HANDLE keyboard_handle;
/* Info for last mouse motion */
static COORD movement_pos;
-static DWORD movement_time;
+static Time movement_time;
/* from w32fns.c */
extern unsigned int map_keypad_keys (unsigned int, unsigned int);
/* Temporarily store lead byte of DBCS input sequences. */
static char dbcs_lead = 0;
+static inline BOOL
+w32_read_console_input (HANDLE h, INPUT_RECORD *rec, DWORD recsize,
+ DWORD *waiting)
+{
+ return (w32_console_unicode_input
+ ? ReadConsoleInputW (h, rec, recsize, waiting)
+ : ReadConsoleInputA (h, rec, recsize, waiting));
+}
+
static int
fill_queue (BOOL block)
{
return 0;
}
- rc = ReadConsoleInput (keyboard_handle, event_queue, EVENT_QUEUE_SIZE,
- &events_waiting);
+ rc = w32_read_console_input (keyboard_handle, event_queue, EVENT_QUEUE_SIZE,
+ &events_waiting);
if (!rc)
return -1;
queue_ptr = event_queue;
#endif
/* On NT, call ToUnicode instead and then convert to the current
- locale's default codepage. */
+ console input codepage. */
if (os_subtype == OS_NT)
{
WCHAR buf[128];
keystate, buf, 128, 0);
if (isdead > 0)
{
- char cp[20];
- int cpId;
+ int cpId = GetConsoleCP ();
event->uChar.UnicodeChar = buf[isdead - 1];
-
- GetLocaleInfo (GetThreadLocale (),
- LOCALE_IDEFAULTANSICODEPAGE, cp, 20);
- cpId = atoi (cp);
isdead = WideCharToMultiByte (cpId, 0, buf, isdead,
ansi_code, 4, NULL, NULL);
}
}
else if (event->uChar.AsciiChar > 0)
{
+ /* Pure ASCII characters < 128. */
emacs_ev->kind = ASCII_KEYSTROKE_EVENT;
emacs_ev->code = event->uChar.AsciiChar;
}
- else if (event->uChar.UnicodeChar > 0)
+ else if (event->uChar.UnicodeChar > 0
+ && w32_console_unicode_input)
{
+ /* Unicode codepoint; only valid if we are using Unicode
+ console input mode. */
emacs_ev->kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT;
emacs_ev->code = event->uChar.UnicodeChar;
}
else
{
- /* Fallback for non-Unicode versions of Windows. */
+ /* Fallback handling of non-ASCII characters for non-Unicode
+ versions of Windows, and for non-Unicode input on NT
+ family of Windows. Only characters in the current
+ console codepage are supported by this fallback. */
wchar_t code;
char dbcs[2];
- char cp[20];
int cpId;
- /* Get the codepage to interpret this key with. */
- GetLocaleInfo (GetThreadLocale (),
- LOCALE_IDEFAULTANSICODEPAGE, cp, 20);
- cpId = atoi (cp);
+ /* Get the current console input codepage to interpret this
+ key with. Note that the system defaults for the OEM
+ codepage could have been changed by calling SetConsoleCP
+ or w32-set-console-codepage, so using GetLocaleInfo to
+ get LOCALE_IDEFAULTCODEPAGE is not TRT here. */
+ cpId = GetConsoleCP ();
dbcs[0] = dbcs_lead;
dbcs[1] = event->uChar.AsciiChar;
}
else
{
+ /* Function keys and other non-character keys. */
emacs_ev->kind = NON_ASCII_KEYSTROKE_EVENT;
emacs_ev->code = event->wVirtualKeyCode;
}
enum scroll_bar_part *part,
Lisp_Object *x,
Lisp_Object *y,
- unsigned long *time)
+ Time *time)
{
BLOCK_INPUT;
static void
mouse_moved_to (int x, int y)
{
- /* If we're in the same place, ignore it */
+ /* If we're in the same place, ignore it. */
if (x != movement_pos.X || y != movement_pos.Y)
{
SELECTED_FRAME ()->mouse_moved = 1;
struct input_event *emacs_ev)
{
static DWORD button_state = 0;
+ static Lisp_Object last_mouse_window;
DWORD but_change, mask;
int i;
if (event->dwEventFlags == MOUSE_MOVED)
{
- /* For movement events we just note that the mouse has moved
- so that emacs will generate drag events. */
- mouse_moved_to (event->dwMousePosition.X, event->dwMousePosition.Y);
+ FRAME_PTR f = SELECTED_FRAME ();
+ Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
+ int mx = event->dwMousePosition.X, my = event->dwMousePosition.Y;
+
+ mouse_moved_to (mx, my);
+
+ if (f->mouse_moved)
+ {
+ if (hlinfo->mouse_face_hidden)
+ {
+ hlinfo->mouse_face_hidden = 0;
+ clear_mouse_face (hlinfo);
+ }
+
+ /* Generate SELECT_WINDOW_EVENTs when needed. */
+ if (!NILP (Vmouse_autoselect_window))
+ {
+ Lisp_Object mouse_window = window_from_coordinates (f, mx, my,
+ 0, 0);
+ /* A window will be selected only when it is not
+ selected now, and the last mouse movement event was
+ not in it. A minibuffer window will be selected iff
+ it is active. */
+ if (WINDOWP (mouse_window)
+ && !EQ (mouse_window, last_mouse_window)
+ && !EQ (mouse_window, selected_window))
+ {
+ struct input_event event;
+
+ EVENT_INIT (event);
+ event.kind = SELECT_WINDOW_EVENT;
+ event.frame_or_window = mouse_window;
+ event.arg = Qnil;
+ event.timestamp = movement_time;
+ kbd_buffer_store_event (&event);
+ }
+ last_mouse_window = mouse_window;
+ }
+ else
+ last_mouse_window = Qnil;
+
+ previous_help_echo_string = help_echo_string;
+ help_echo_string = help_echo_object = help_echo_window = Qnil;
+ help_echo_pos = -1;
+ note_mouse_highlight (f, mx, my);
+ /* If the contents of the global variable help_echo has
+ changed (inside note_mouse_highlight), generate a HELP_EVENT. */
+ if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
+ gen_help_event (help_echo_string, selected_frame, help_echo_window,
+ help_echo_object, help_echo_pos);
+ }
return 0;
}
int expected,
struct input_event *hold_quit)
{
- BOOL no_events = TRUE;
int nev, ret = 0, add;
int isdead;
UNBLOCK_INPUT;
return ret;
}
-