-/* Functions taken directly from X sources for use with the Microsoft W32 API.
- Copyright (C) 1989, 1992-1995, 1999, 2001-2011 Free Software Foundation, Inc.
+/* Functions taken directly from X sources for use with the Microsoft Windows API.
+ Copyright (C) 1989, 1992-1995, 1999, 2001-2016 Free Software
+ Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
+the Free Software Foundation, either version 3 of the License, or (at
+your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
#include <config.h>
#include <signal.h>
#include <stdio.h>
-#include <setjmp.h>
+#include <windows.h>
+#include <windowsx.h>
+
#include "lisp.h"
-#include "keyboard.h"
#include "frame.h"
-#include "charset.h"
-#include "fontset.h"
-#include "blockinput.h"
#include "w32term.h"
-#include "windowsx.h"
#define myalloc(cb) GlobalAllocPtr (GPTR, cb)
#define myfree(lp) GlobalFreePtr (lp)
CRITICAL_SECTION critsect;
+
+#ifdef WINDOWSNT
extern HANDLE keyboard_handle;
+#endif /* WINDOWSNT */
+
HANDLE input_available = NULL;
HANDLE interrupt_handle = NULL;
/* For safety, input_available should only be reset by get_next_msg
when the input queue is empty, so make it a manual reset event. */
- keyboard_handle = input_available = CreateEvent (NULL, TRUE, FALSE, NULL);
+ input_available = CreateEvent (NULL, TRUE, FALSE, NULL);
+
+#if HAVE_W32NOTIFY
+ /* Initialize the linked list of notifications sets that will be
+ used to communicate between the watching worker threads and the
+ main thread. */
+ notifications_set_head = malloc (sizeof(struct notifications_set));
+ if (notifications_set_head)
+ {
+ memset (notifications_set_head, 0, sizeof(struct notifications_set));
+ notifications_set_head->next
+ = notifications_set_head->prev = notifications_set_head;
+ }
+ else
+ DebPrint(("Out of memory: can't initialize notifications sets."));
+#endif
+
+#ifdef WINDOWSNT
+ keyboard_handle = input_available;
+#endif /* WINDOWSNT */
/* interrupt_handle is signaled when quit (C-g) is detected, so that
blocking system calls can be interrupted. We make it a manual
CloseHandle (interrupt_handle);
interrupt_handle = NULL;
}
+
+#if HAVE_W32NOTIFY
+ if (notifications_set_head)
+ {
+ /* Free any remaining notifications set that could be left over. */
+ while (notifications_set_head->next != notifications_set_head)
+ {
+ struct notifications_set *ns = notifications_set_head->next;
+ notifications_set_head->next = ns->next;
+ ns->next->prev = notifications_set_head;
+ if (ns->notifications)
+ free (ns->notifications);
+ free (ns);
+ }
+ }
+ free (notifications_set_head);
+#endif
}
void
}
void
-select_palette (FRAME_PTR f, HDC hdc)
+select_palette (struct frame *f, HDC hdc)
{
- struct w32_display_info *display_info = FRAME_W32_DISPLAY_INFO (f);
+ struct w32_display_info *display_info = FRAME_DISPLAY_INFO (f);
if (!display_info->has_palette)
return;
}
void
-deselect_palette (FRAME_PTR f, HDC hdc)
+deselect_palette (struct frame *f, HDC hdc)
{
if (f->output_data.w32->old_palette)
SelectPalette (hdc, f->output_data.w32->old_palette, FALSE);
/* Get a DC for frame and select palette for drawing; force an update of
all frames if palette's mapping changes. */
HDC
-get_frame_dc (FRAME_PTR f)
+get_frame_dc (struct frame *f)
{
HDC hdc;
if (f->output_method != output_w32)
- abort ();
+ emacs_abort ();
enter_crit ();
}
int
-release_frame_dc (FRAME_PTR f, HDC hdc)
+release_frame_dc (struct frame *f, HDC hdc)
{
int ret;
}
nQueue--;
- /* Consolidate WM_PAINT messages to optimise redrawing. */
+ /* Consolidate WM_PAINT messages to optimize redrawing. */
if (lpmsg->msg.message == WM_PAINT && nQueue)
{
int_msg * lpCur = lpHead;
return (bRet);
}
+extern char * w32_strerror (int error_no);
+
+/* Tell the main thread that we have input available; if the main
+ thread is blocked in select(), we wake it up here. */
+static void
+notify_msg_ready (void)
+{
+ SetEvent (input_available);
+
+#ifdef CYGWIN
+ /* Wakes up the main thread, which is blocked select()ing for /dev/windows,
+ among other files. */
+ (void) PostThreadMessage (dwMainThreadId, WM_EMACS_INPUT_READY, 0, 0);
+#endif /* CYGWIN */
+}
+
BOOL
post_msg (W32Msg * lpmsg)
{
}
lpTail = lpNew;
- SetEvent (input_available);
-
+ notify_msg_ready ();
leave_crit ();
return (TRUE);
nQueue++;
lpNew->lpNext = lpHead;
lpHead = lpNew;
-
+ notify_msg_ready ();
leave_crit ();
return (TRUE);
}
-/* Process all messages in the current thread's queue. */
-void
+/* Process all messages in the current thread's queue. Value is 1 if
+ one of these messages was WM_EMACS_FILENOTIFY, zero otherwise. */
+int
drain_message_queue (void)
{
MSG msg;
+ int retval = 0;
+
while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
+ if (msg.message == WM_EMACS_FILENOTIFY)
+ retval = 1;
TranslateMessage (&msg);
DispatchMessage (&msg);
}
+ return retval;
}
-
-
-/*
- * XParseGeometry parses strings of the form
- * "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where
- * width, height, xoffset, and yoffset are unsigned integers.
- * Example: "=80x24+300-49"
- * The equal sign is optional.
- * It returns a bitmask that indicates which of the four values
- * were actually found in the string. For each value found,
- * the corresponding argument is updated; for each value
- * not found, the corresponding argument is left unchanged.
- */
-
-static int
-read_integer (register char *string, char **NextString)
-{
- register int Result = 0;
- int Sign = 1;
-
- if (*string == '+')
- string++;
- else if (*string == '-')
- {
- string++;
- Sign = -1;
- }
- for (; (*string >= '0') && (*string <= '9'); string++)
- {
- Result = (Result * 10) + (*string - '0');
- }
- *NextString = string;
- if (Sign >= 0)
- return (Result);
- else
- return (-Result);
-}
-
-int
-XParseGeometry (char *string,
- int *x, int *y,
- unsigned int *width, unsigned int *height)
-{
- int mask = NoValue;
- register char *strind;
- unsigned int tempWidth, tempHeight;
- int tempX, tempY;
- char *nextCharacter;
-
- if ((string == NULL) || (*string == '\0')) return (mask);
- if (*string == '=')
- string++; /* ignore possible '=' at beg of geometry spec */
-
- strind = (char *)string;
- if (*strind != '+' && *strind != '-' && *strind != 'x')
- {
- tempWidth = read_integer (strind, &nextCharacter);
- if (strind == nextCharacter)
- return (0);
- strind = nextCharacter;
- mask |= WidthValue;
- }
-
- if (*strind == 'x' || *strind == 'X')
- {
- strind++;
- tempHeight = read_integer (strind, &nextCharacter);
- if (strind == nextCharacter)
- return (0);
- strind = nextCharacter;
- mask |= HeightValue;
- }
-
- if ((*strind == '+') || (*strind == '-'))
- {
- if (*strind == '-')
- {
- strind++;
- tempX = -read_integer (strind, &nextCharacter);
- if (strind == nextCharacter)
- return (0);
- strind = nextCharacter;
- mask |= XNegative;
-
- }
- else
- {
- strind++;
- tempX = read_integer (strind, &nextCharacter);
- if (strind == nextCharacter)
- return (0);
- strind = nextCharacter;
- }
- mask |= XValue;
- if ((*strind == '+') || (*strind == '-'))
- {
- if (*strind == '-')
- {
- strind++;
- tempY = -read_integer (strind, &nextCharacter);
- if (strind == nextCharacter)
- return (0);
- strind = nextCharacter;
- mask |= YNegative;
- }
- else
- {
- strind++;
- tempY = read_integer (strind, &nextCharacter);
- if (strind == nextCharacter)
- return (0);
- strind = nextCharacter;
- }
- mask |= YValue;
- }
- }
-
- /* If strind isn't at the end of the string then it's an invalid
- geometry specification. */
-
- if (*strind != '\0') return (0);
-
- if (mask & XValue)
- *x = tempX;
- if (mask & YValue)
- *y = tempY;
- if (mask & WidthValue)
- *width = tempWidth;
- if (mask & HeightValue)
- *height = tempHeight;
- return (mask);
-}
-
-/* x_sync is a no-op on W32. */
-void
-x_sync (void *f)
-{
-}
-