patch 7.4.1364v7.4.1364

Problem:    The Win 16 code is not maintained and unused.
Solution:   Remove the Win 16 support.

1 files changed, 4088 insertions, 19 deletions

diff --git a/src/gui_w32.c b/src/gui_w32.c
index feeb6d402c..5129c5fbcb 100644
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -10,7 +10,7 @@
 /*
  * Windows GUI.
  *
- * GUI support for Microsoft Windows.  Win32 initially; maybe Win16 later
+ * GUI support for Microsoft Windows, aka Win32.  Also for Win64.
  *
  * George V. Reilly <george@reilly.org> wrote the original Win32 GUI.
  * Robert Webb reworked it to use the existing GUI stuff and added menu,
@@ -185,10 +185,4095 @@ gui_mch_set_rendering_options(char_u *s)
    ((fn)((hwnd), TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
 #endif
 
+
+#include "version.h"	/* used by dialog box routine for default title */
+#ifdef DEBUG
+# include <tchar.h>
+#endif
+
+/* cproto fails on missing include files */
+#ifndef PROTO
+
+#ifndef __MINGW32__
+# include <shellapi.h>
+#endif
+#if defined(FEAT_TOOLBAR) || defined(FEAT_BEVAL) || defined(FEAT_GUI_TABLINE)
+# include <commctrl.h>
+#endif
+#include <windowsx.h>
+
+#ifdef GLOBAL_IME
+# include "glbl_ime.h"
+#endif
+
+#endif /* PROTO */
+
+#ifdef FEAT_MENU
+# define MENUHINTS		/* show menu hints in command line */
+#endif
+
+/* Some parameters for dialog boxes.  All in pixels. */
+#define DLG_PADDING_X		10
+#define DLG_PADDING_Y		10
+#define DLG_OLD_STYLE_PADDING_X	5
+#define DLG_OLD_STYLE_PADDING_Y	5
+#define DLG_VERT_PADDING_X	4	/* For vertical buttons */
+#define DLG_VERT_PADDING_Y	4
+#define DLG_ICON_WIDTH		34
+#define DLG_ICON_HEIGHT		34
+#define DLG_MIN_WIDTH		150
+#define DLG_FONT_NAME		"MS Sans Serif"
+#define DLG_FONT_POINT_SIZE	8
+#define DLG_MIN_MAX_WIDTH	400
+#define DLG_MIN_MAX_HEIGHT	400
+
+#define DLG_NONBUTTON_CONTROL	5000	/* First ID of non-button controls */
+
+#ifndef WM_XBUTTONDOWN /* For Win2K / winME ONLY */
+# define WM_XBUTTONDOWN		0x020B
+# define WM_XBUTTONUP		0x020C
+# define WM_XBUTTONDBLCLK	0x020D
+# define MK_XBUTTON1		0x0020
+# define MK_XBUTTON2		0x0040
+#endif
+
+#ifdef PROTO
+/*
+ * Define a few things for generating prototypes.  This is just to avoid
+ * syntax errors, the defines do not need to be correct.
+ */
+# define APIENTRY
+# define CALLBACK
+# define CONST
+# define FAR
+# define NEAR
+# define _cdecl
+typedef int BOOL;
+typedef int BYTE;
+typedef int DWORD;
+typedef int WCHAR;
+typedef int ENUMLOGFONT;
+typedef int FINDREPLACE;
+typedef int HANDLE;
+typedef int HBITMAP;
+typedef int HBRUSH;
+typedef int HDROP;
+typedef int INT;
+typedef int LOGFONT[];
+typedef int LPARAM;
+typedef int LPCREATESTRUCT;
+typedef int LPCSTR;
+typedef int LPCTSTR;
+typedef int LPRECT;
+typedef int LPSTR;
+typedef int LPWINDOWPOS;
+typedef int LPWORD;
+typedef int LRESULT;
+typedef int HRESULT;
+# undef MSG
+typedef int MSG;
+typedef int NEWTEXTMETRIC;
+typedef int OSVERSIONINFO;
+typedef int PWORD;
+typedef int RECT;
+typedef int UINT;
+typedef int WORD;
+typedef int WPARAM;
+typedef int POINT;
+typedef void *HINSTANCE;
+typedef void *HMENU;
+typedef void *HWND;
+typedef void *HDC;
+typedef void VOID;
+typedef int LPNMHDR;
+typedef int LONG;
+typedef int WNDPROC;
+#endif
+
+#ifndef GET_X_LPARAM
+# define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
+#endif
+
+static void _OnPaint( HWND hwnd);
+static void clear_rect(RECT *rcp);
+
+static WORD		s_dlgfntheight;		/* height of the dialog font */
+static WORD		s_dlgfntwidth;		/* width of the dialog font */
+
+#ifdef FEAT_MENU
+static HMENU		s_menuBar = NULL;
+#endif
+#ifdef FEAT_TEAROFF
+static void rebuild_tearoff(vimmenu_T *menu);
+static HBITMAP	s_htearbitmap;	    /* bitmap used to indicate tearoff */
+#endif
+
+/* Flag that is set while processing a message that must not be interrupted by
+ * processing another message. */
+static int		s_busy_processing = FALSE;
+
+static int		destroying = FALSE;	/* call DestroyWindow() ourselves */
+
+#ifdef MSWIN_FIND_REPLACE
+static UINT		s_findrep_msg = 0;	/* set in gui_w[16/32].c */
+static FINDREPLACE	s_findrep_struct;
+# if defined(FEAT_MBYTE) && defined(WIN3264)
+static FINDREPLACEW	s_findrep_struct_w;
+# endif
+static HWND		s_findrep_hwnd = NULL;
+static int		s_findrep_is_find;	/* TRUE for find dialog, FALSE
+						   for find/replace dialog */
+#endif
+
+static HINSTANCE	s_hinst = NULL;
+#if !defined(FEAT_SNIFF) && !defined(FEAT_GUI)
+static
+#endif
+HWND			s_hwnd = NULL;
+static HDC		s_hdc = NULL;
+static HBRUSH	s_brush = NULL;
+
+#ifdef FEAT_TOOLBAR
+static HWND		s_toolbarhwnd = NULL;
+static WNDPROC		s_toolbar_wndproc = NULL;
+#endif
+
+#ifdef FEAT_GUI_TABLINE
+static HWND		s_tabhwnd = NULL;
+static WNDPROC		s_tabline_wndproc = NULL;
+static int		showing_tabline = 0;
+#endif
+
+static WPARAM		s_wParam = 0;
+static LPARAM		s_lParam = 0;
+
+static HWND		s_textArea = NULL;
+static UINT		s_uMsg = 0;
+
+static char_u		*s_textfield; /* Used by dialogs to pass back strings */
+
+static int		s_need_activate = FALSE;
+
+/* This variable is set when waiting for an event, which is the only moment
+ * scrollbar dragging can be done directly.  It's not allowed while commands
+ * are executed, because it may move the cursor and that may cause unexpected
+ * problems (e.g., while ":s" is working).
+ */
+static int allow_scrollbar = FALSE;
+
+#ifdef GLOBAL_IME
+# define MyTranslateMessage(x) global_ime_TranslateMessage(x)
+#else
+# define MyTranslateMessage(x) TranslateMessage(x)
+#endif
+
+#if (defined(WIN3264) && defined(FEAT_MBYTE)) || defined(GLOBAL_IME)
+  /* use of WindowProc depends on wide_WindowProc */
+# define MyWindowProc vim_WindowProc
+#else
+  /* use ordinary WindowProc */
+# define MyWindowProc DefWindowProc
+#endif
+
+extern int current_font_height;	    /* this is in os_mswin.c */
+
+static struct
+{
+    UINT    key_sym;
+    char_u  vim_code0;
+    char_u  vim_code1;
+} special_keys[] =
+{
+    {VK_UP,		'k', 'u'},
+    {VK_DOWN,		'k', 'd'},
+    {VK_LEFT,		'k', 'l'},
+    {VK_RIGHT,		'k', 'r'},
+
+    {VK_F1,		'k', '1'},
+    {VK_F2,		'k', '2'},
+    {VK_F3,		'k', '3'},
+    {VK_F4,		'k', '4'},
+    {VK_F5,		'k', '5'},
+    {VK_F6,		'k', '6'},
+    {VK_F7,		'k', '7'},
+    {VK_F8,		'k', '8'},
+    {VK_F9,		'k', '9'},
+    {VK_F10,		'k', ';'},
+
+    {VK_F11,		'F', '1'},
+    {VK_F12,		'F', '2'},
+    {VK_F13,		'F', '3'},
+    {VK_F14,		'F', '4'},
+    {VK_F15,		'F', '5'},
+    {VK_F16,		'F', '6'},
+    {VK_F17,		'F', '7'},
+    {VK_F18,		'F', '8'},
+    {VK_F19,		'F', '9'},
+    {VK_F20,		'F', 'A'},
+
+    {VK_F21,		'F', 'B'},
+#ifdef FEAT_NETBEANS_INTG
+    {VK_PAUSE,		'F', 'B'},	/* Pause == F21 (see gui_gtk_x11.c) */
+#endif
+    {VK_F22,		'F', 'C'},
+    {VK_F23,		'F', 'D'},
+    {VK_F24,		'F', 'E'},	/* winuser.h defines up to F24 */
+
+    {VK_HELP,		'%', '1'},
+    {VK_BACK,		'k', 'b'},
+    {VK_INSERT,		'k', 'I'},
+    {VK_DELETE,		'k', 'D'},
+    {VK_HOME,		'k', 'h'},
+    {VK_END,		'@', '7'},
+    {VK_PRIOR,		'k', 'P'},
+    {VK_NEXT,		'k', 'N'},
+    {VK_PRINT,		'%', '9'},
+    {VK_ADD,		'K', '6'},
+    {VK_SUBTRACT,	'K', '7'},
+    {VK_DIVIDE,		'K', '8'},
+    {VK_MULTIPLY,	'K', '9'},
+    {VK_SEPARATOR,	'K', 'A'},	/* Keypad Enter */
+    {VK_DECIMAL,	'K', 'B'},
+
+    {VK_NUMPAD0,	'K', 'C'},
+    {VK_NUMPAD1,	'K', 'D'},
+    {VK_NUMPAD2,	'K', 'E'},
+    {VK_NUMPAD3,	'K', 'F'},
+    {VK_NUMPAD4,	'K', 'G'},
+    {VK_NUMPAD5,	'K', 'H'},
+    {VK_NUMPAD6,	'K', 'I'},
+    {VK_NUMPAD7,	'K', 'J'},
+    {VK_NUMPAD8,	'K', 'K'},
+    {VK_NUMPAD9,	'K', 'L'},
+
+    /* Keys that we want to be able to use any modifier with: */
+    {VK_SPACE,		' ', NUL},
+    {VK_TAB,		TAB, NUL},
+    {VK_ESCAPE,		ESC, NUL},
+    {NL,		NL, NUL},
+    {CAR,		CAR, NUL},
+
+    /* End of list marker: */
+    {0,			0, 0}
+};
+
+/* Local variables */
+static int	s_button_pending = -1;
+
+/* s_getting_focus is set when we got focus but didn't see mouse-up event yet,
+ * so don't reset s_button_pending. */
+static int	s_getting_focus = FALSE;
+
+static int	s_x_pending;
+static int	s_y_pending;
+static UINT	s_kFlags_pending;
+static UINT	s_wait_timer = 0;   /* Timer for get char from user */
+static int	s_timed_out = FALSE;
+static int	dead_key = 0;	/* 0: no dead key, 1: dead key pressed */
+
+#ifdef WIN3264
+static OSVERSIONINFO os_version;    /* like it says.  Init in gui_mch_init() */
+#endif
+
+#ifdef FEAT_BEVAL
+/* balloon-eval WM_NOTIFY_HANDLER */
+static void Handle_WM_Notify(HWND hwnd, LPNMHDR pnmh);
+static void TrackUserActivity(UINT uMsg);
+#endif
+
+/*
+ * For control IME.
+ *
+ * These LOGFONT used for IME.
+ */
+#ifdef FEAT_MBYTE
+# ifdef USE_IM_CONTROL
+/* holds LOGFONT for 'guifontwide' if available, otherwise 'guifont' */
+static LOGFONT norm_logfont;
+/* holds LOGFONT for 'guifont' always. */
+static LOGFONT sub_logfont;
+# endif
+#endif
+
+#ifdef FEAT_MBYTE_IME
+static LRESULT _OnImeNotify(HWND hWnd, DWORD dwCommand, DWORD dwData);
+#endif
+
+#if defined(FEAT_BROWSE)
+static char_u *convert_filter(char_u *s);
+#endif
+
+#ifdef DEBUG_PRINT_ERROR
+/*
+ * Print out the last Windows error message
+ */
+    static void
+print_windows_error(void)
+{
+    LPVOID  lpMsgBuf;
+
+    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+		  NULL, GetLastError(),
+		  MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+		  (LPTSTR) &lpMsgBuf, 0, NULL);
+    TRACE1("Error: %s\n", lpMsgBuf);
+    LocalFree(lpMsgBuf);
+}
+#endif
+
+/*
+ * Cursor blink functions.
+ *
+ * This is a simple state machine:
+ * BLINK_NONE	not blinking at all
+ * BLINK_OFF	blinking, cursor is not shown
+ * BLINK_ON	blinking, cursor is shown
+ */
+
+#define BLINK_NONE  0
+#define BLINK_OFF   1
+#define BLINK_ON    2
+
+static int		blink_state = BLINK_NONE;
+static long_u		blink_waittime = 700;
+static long_u		blink_ontime = 400;
+static long_u		blink_offtime = 250;
+static UINT		blink_timer = 0;
+
+    void
+gui_mch_set_blinking(long wait, long on, long off)
+{
+    blink_waittime = wait;
+    blink_ontime = on;
+    blink_offtime = off;
+}
+
+/* ARGSUSED */
+    static VOID CALLBACK
+_OnBlinkTimer(
+    HWND hwnd,
+    UINT uMsg,
+    UINT idEvent,
+    DWORD dwTime)
+{
+    MSG msg;
+
+    /*
+    TRACE2("Got timer event, id %d, blink_timer %d\n", idEvent, blink_timer);
+    */
+
+    KillTimer(NULL, idEvent);
+
+    /* Eat spurious WM_TIMER messages */
+    while (pPeekMessage(&msg, hwnd, WM_TIMER, WM_TIMER, PM_REMOVE))
+	;
+
+    if (blink_state == BLINK_ON)
+    {
+	gui_undraw_cursor();
+	blink_state = BLINK_OFF;
+	blink_timer = (UINT) SetTimer(NULL, 0, (UINT)blink_offtime,
+						    (TIMERPROC)_OnBlinkTimer);
+    }
+    else
+    {
+	gui_update_cursor(TRUE, FALSE);
+	blink_state = BLINK_ON;
+	blink_timer = (UINT) SetTimer(NULL, 0, (UINT)blink_ontime,
+							 (TIMERPROC)_OnBlinkTimer);
+    }
+}
+
+    static void
+gui_mswin_rm_blink_timer(void)
+{
+    MSG msg;
+
+    if (blink_timer != 0)
+    {
+	KillTimer(NULL, blink_timer);
+	/* Eat spurious WM_TIMER messages */
+	while (pPeekMessage(&msg, s_hwnd, WM_TIMER, WM_TIMER, PM_REMOVE))
+	    ;
+	blink_timer = 0;
+    }
+}
+
+/*
+ * Stop the cursor blinking.  Show the cursor if it wasn't shown.
+ */
+    void
+gui_mch_stop_blink(void)
+{
+    gui_mswin_rm_blink_timer();
+    if (blink_state == BLINK_OFF)
+	gui_update_cursor(TRUE, FALSE);
+    blink_state = BLINK_NONE;
+}
+
+/*
+ * Start the cursor blinking.  If it was already blinking, this restarts the
+ * waiting time and shows the cursor.
+ */
+    void
+gui_mch_start_blink(void)
+{
+    gui_mswin_rm_blink_timer();
+
+    /* Only switch blinking on if none of the times is zero */
+    if (blink_waittime && blink_ontime && blink_offtime && gui.in_focus)
+    {
+	blink_timer = (UINT)SetTimer(NULL, 0, (UINT)blink_waittime,
+						    (TIMERPROC)_OnBlinkTimer);
+	blink_state = BLINK_ON;
+	gui_update_cursor(TRUE, FALSE);
+    }
+}
+
+/*
+ * Call-back routines.
+ */
+
+/*ARGSUSED*/
+    static VOID CALLBACK
+_OnTimer(
+    HWND hwnd,
+    UINT uMsg,
+    UINT idEvent,
+    DWORD dwTime)
+{
+    MSG msg;
+
+    /*
+    TRACE2("Got timer event, id %d, s_wait_timer %d\n", idEvent, s_wait_timer);
+    */
+    KillTimer(NULL, idEvent);
+    s_timed_out = TRUE;
+
+    /* Eat spurious WM_TIMER messages */
+    while (pPeekMessage(&msg, hwnd, WM_TIMER, WM_TIMER, PM_REMOVE))
+	;
+    if (idEvent == s_wait_timer)
+	s_wait_timer = 0;
+}
+
+/*ARGSUSED*/
+    static void
+_OnDeadChar(
+    HWND hwnd,
+    UINT ch,
+    int cRepeat)
+{
+    dead_key = 1;
+}
+
 /*
- * Include the common stuff for MS-Windows GUI.
+ * Convert Unicode character "ch" to bytes in "string[slen]".
+ * When "had_alt" is TRUE the ALT key was included in "ch".
+ * Return the length.
  */
-#include "gui_w48.c"
+    static int
+char_to_string(int ch, char_u *string, int slen, int had_alt)
+{
+    int		len;
+    int		i;
+#ifdef FEAT_MBYTE
+    WCHAR	wstring[2];
+    char_u	*ws = NULL;;
+
+    if (os_version.dwPlatformId != VER_PLATFORM_WIN32_NT)
+    {
+	/* On Windows 95/98 we apparently get the character in the active
+	 * codepage, not in UCS-2.  If conversion is needed convert it to
+	 * UCS-2 first. */
+	if ((int)GetACP() == enc_codepage)
+	    len = 0;	    /* no conversion required */
+	else
+	{
+	    string[0] = ch;
+	    len = MultiByteToWideChar(GetACP(), 0, (LPCSTR)string,
+		    1, wstring, 2);
+	}
+    }
+    else
+    {
+	wstring[0] = ch;
+	len = 1;
+    }
+
+    if (len > 0)
+    {
+	/* "ch" is a UTF-16 character.  Convert it to a string of bytes.  When
+	 * "enc_codepage" is non-zero use the standard Win32 function,
+	 * otherwise use our own conversion function (e.g., for UTF-8). */
+	if (enc_codepage > 0)
+	{
+	    len = WideCharToMultiByte(enc_codepage, 0, wstring, len,
+					       (LPSTR)string, slen, 0, NULL);
+	    /* If we had included the ALT key into the character but now the
+	     * upper bit is no longer set, that probably means the conversion
+	     * failed.  Convert the original character and set the upper bit
+	     * afterwards. */
+	    if (had_alt && len == 1 && ch >= 0x80 && string[0] < 0x80)
+	    {
+		wstring[0] = ch & 0x7f;
+		len = WideCharToMultiByte(enc_codepage, 0, wstring, len,
+					       (LPSTR)string, slen, 0, NULL);
+		if (len == 1) /* safety check */
+		    string[0] |= 0x80;
+	    }
+	}
+	else
+	{
+	    len = 1;
+	    ws = utf16_to_enc(wstring, &len);
+	    if (ws == NULL)
+		len = 0;
+	    else
+	    {
+		if (len > slen)	/* just in case */
+		    len = slen;
+		mch_memmove(string, ws, len);
+		vim_free(ws);
+	    }
+	}
+    }
+
+    if (len == 0)
+#endif
+    {
+	string[0] = ch;
+	len = 1;
+    }
+
+    for (i = 0; i < len; ++i)
+	if (string[i] == CSI && len <= slen - 2)
+	{
+	    /* Insert CSI as K_CSI. */
+	    mch_memmove(string + i + 3, string + i + 1, len - i - 1);
+	    string[++i] = KS_EXTRA;
+	    string[++i] = (int)KE_CSI;
+	    len += 2;
+	}
+
+    return len;
+}
+
+/*
+ * Key hit, add it to the input buffer.
+ */
+/*ARGSUSED*/
+    static void
+_OnChar(
+    HWND hwnd,
+    UINT ch,
+    int cRepeat)
+{
+    char_u	string[40];
+    int		len = 0;
+
+    dead_key = 0;
+
+    len = char_to_string(ch, string, 40, FALSE);
+    if (len == 1 && string[0] == Ctrl_C && ctrl_c_interrupts)
+    {
+	trash_input_buf();
+	got_int = TRUE;
+    }
+
+    add_to_input_buf(string, len);
+}
+
+/*
+ * Alt-Key hit, add it to the input buffer.
+ */
+/*ARGSUSED*/
+    static void
+_OnSysChar(
+    HWND hwnd,
+    UINT cch,
+    int cRepeat)
+{
+    char_u	string[40]; /* Enough for multibyte character */
+    int		len;
+    int		modifiers;
+    int		ch = cch;   /* special keys are negative */
+
+    dead_key = 0;
+
+    /* TRACE("OnSysChar(%d, %c)\n", ch, ch); */
+
+    /* OK, we have a character key (given by ch) which was entered with the
+     * ALT key pressed. Eg, if the user presses Alt-A, then ch == 'A'. Note
+     * that the system distinguishes Alt-a and Alt-A (Alt-Shift-a unless
+     * CAPSLOCK is pressed) at this point.
+     */
+    modifiers = MOD_MASK_ALT;
+    if (GetKeyState(VK_SHIFT) & 0x8000)
+	modifiers |= MOD_MASK_SHIFT;
+    if (GetKeyState(VK_CONTROL) & 0x8000)
+	modifiers |= MOD_MASK_CTRL;
+
+    ch = simplify_key(ch, &modifiers);
+    /* remove the SHIFT modifier for keys where it's already included, e.g.,
+     * '(' and '*' */
+    if (ch < 0x100 && !isalpha(ch) && isprint(ch))
+	modifiers &= ~MOD_MASK_SHIFT;
+
+    /* Interpret the ALT key as making the key META, include SHIFT, etc. */
+    ch = extract_modifiers(ch, &modifiers);
+    if (ch == CSI)
+	ch = K_CSI;
+
+    len = 0;
+    if (modifiers)
+    {
+	string[len++] = CSI;
+	string[len++] = KS_MODIFIER;
+	string[len++] = modifiers;
+    }
+
+    if (IS_SPECIAL((int)ch))
+    {
+	string[len++] = CSI;
+	string[len++] = K_SECOND((int)ch);
+	string[len++] = K_THIRD((int)ch);
+    }
+    else
+    {
+	/* Although the documentation isn't clear about it, we assume "ch" is
+	 * a Unicode character. */
+	len += char_to_string(ch, string + len, 40 - len, TRUE);
+    }
+
+    add_to_input_buf(string, len);
+}
+
+    static void
+_OnMouseEvent(
+    int button,
+    int x,
+    int y,
+    int repeated_click,
+    UINT keyFlags)
+{
+    int vim_modifiers = 0x0;
+
+    s_getting_focus = FALSE;
+
+    if (keyFlags & MK_SHIFT)
+	vim_modifiers |= MOUSE_SHIFT;
+    if (keyFlags & MK_CONTROL)
+	vim_modifiers |= MOUSE_CTRL;
+    if (GetKeyState(VK_MENU) & 0x8000)
+	vim_modifiers |= MOUSE_ALT;
+
+    gui_send_mouse_event(button, x, y, repeated_click, vim_modifiers);
+}
+
+/*ARGSUSED*/
+    static void
+_OnMouseButtonDown(
+    HWND hwnd,
+    BOOL fDoubleClick,
+    int x,
+    int y,
+    UINT keyFlags)
+{
+    static LONG	s_prevTime = 0;
+
+    LONG    currentTime = GetMessageTime();
+    int	    button = -1;
+    int	    repeated_click;
+
+    /* Give main window the focus: this is so the cursor isn't hollow. */
+    (void)SetFocus(s_hwnd);
+
+    if (s_uMsg == WM_LBUTTONDOWN || s_uMsg == WM_LBUTTONDBLCLK)
+	button = MOUSE_LEFT;
+    else if (s_uMsg == WM_MBUTTONDOWN || s_uMsg == WM_MBUTTONDBLCLK)
+	button = MOUSE_MIDDLE;
+    else if (s_uMsg == WM_RBUTTONDOWN || s_uMsg == WM_RBUTTONDBLCLK)
+	button = MOUSE_RIGHT;
+    else if (s_uMsg == WM_XBUTTONDOWN || s_uMsg == WM_XBUTTONDBLCLK)
+    {
+#ifndef GET_XBUTTON_WPARAM
+# define GET_XBUTTON_WPARAM(wParam)	(HIWORD(wParam))
+#endif
+	button = ((GET_XBUTTON_WPARAM(s_wParam) == 1) ? MOUSE_X1 : MOUSE_X2);
+    }
+    else if (s_uMsg == WM_CAPTURECHANGED)
+    {
+	/* on W95/NT4, somehow you get in here with an odd Msg
+	 * if you press one button while holding down the other..*/
+	if (s_button_pending == MOUSE_LEFT)
+	    button = MOUSE_RIGHT;
+	else
+	    button = MOUSE_LEFT;
+    }
+    if (button >= 0)
+    {
+	repeated_click = ((int)(currentTime - s_prevTime) < p_mouset);
+
+	/*
+	 * Holding down the left and right buttons simulates pushing the middle
+	 * button.
+	 */
+	if (repeated_click
+		&& ((button == MOUSE_LEFT && s_button_pending == MOUSE_RIGHT)
+		    || (button == MOUSE_RIGHT
+					  && s_button_pending == MOUSE_LEFT)))
+	{
+	    /*
+	     * Hmm, gui.c will ignore more than one button down at a time, so
+	     * pretend we let go of it first.
+	     */
+	    gui_send_mouse_event(MOUSE_RELEASE, x, y, FALSE, 0x0);
+	    button = MOUSE_MIDDLE;
+	    repeated_click = FALSE;
+	    s_button_pending = -1;
+	    _OnMouseEvent(button, x, y, repeated_click, keyFlags);
+	}
+	else if ((repeated_click)
+		|| (mouse_model_popup() && (button == MOUSE_RIGHT)))
+	{
+	    if (s_button_pending > -1)
+	    {
+		    _OnMouseEvent(s_button_pending, x, y, FALSE, keyFlags);
+		    s_button_pending = -1;
+	    }
+	    /* TRACE("Button down at x %d, y %d\n", x, y); */
+	    _OnMouseEvent(button, x, y, repeated_click, keyFlags);
+	}
+	else
+	{
+	    /*
+	     * If this is the first press (i.e. not a multiple click) don't
+	     * action immediately, but store and wait for:
+	     * i) button-up
+	     * ii) mouse move
+	     * iii) another button press
+	     * before using it.
+	     * This enables us to make left+right simulate middle button,
+	     * without left or right being actioned first.  The side-effect is
+	     * that if you click and hold the mouse without dragging, the
+	     * cursor doesn't move until you release the button. In practice
+	     * this is hardly a problem.
+	     */
+	    s_button_pending = button;
+	    s_x_pending = x;
+	    s_y_pending = y;
+	    s_kFlags_pending = keyFlags;
+	}
+
+	s_prevTime = currentTime;
+    }
+}
+
+/*ARGSUSED*/
+    static void
+_OnMouseMoveOrRelease(
+    HWND hwnd,
+    int x,
+    int y,
+    UINT keyFlags)
+{
+    int button;
+
+    s_getting_focus = FALSE;
+    if (s_button_pending > -1)
+    {
+	/* Delayed action for mouse down event */
+	_OnMouseEvent(s_button_pending, s_x_pending,
+					s_y_pending, FALSE, s_kFlags_pending);
+	s_button_pending = -1;
+    }
+    if (s_uMsg == WM_MOUSEMOVE)
+    {
+	/*
+	 * It's only a MOUSE_DRAG if one or more mouse buttons are being held
+	 * down.
+	 */
+	if (!(keyFlags & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON
+						| MK_XBUTTON1 | MK_XBUTTON2)))
+	{
+	    gui_mouse_moved(x, y);
+	    return;
+	}
+
+	/*
+	 * While button is down, keep grabbing mouse move events when
+	 * the mouse goes outside the window
+	 */
+	SetCapture(s_textArea);
+	button = MOUSE_DRAG;
+	/* TRACE("  move at x %d, y %d\n", x, y); */
+    }
+    else
+    {
+	ReleaseCapture();
+	button = MOUSE_RELEASE;
+	/* TRACE("  up at x %d, y %d\n", x, y); */
+    }
+
+    _OnMouseEvent(button, x, y, FALSE, keyFlags);
+}
+
+#ifdef FEAT_MENU
+/*
+ * Find the vimmenu_T with the given id
+ */
+    static vimmenu_T *
+gui_mswin_find_menu(
+    vimmenu_T	*pMenu,
+    int		id)
+{
+    vimmenu_T	*pChildMenu;
+
+    while (pMenu)
+    {
+	if (pMenu->id == (UINT)id)
+	    break;
+	if (pMenu->children != NULL)
+	{
+	    pChildMenu = gui_mswin_find_menu(pMenu->children, id);
+	    if (pChildMenu)
+	    {
+		pMenu = pChildMenu;
+		break;
+	    }
+	}
+	pMenu = pMenu->next;
+    }
+    return pMenu;
+}
+
+/*ARGSUSED*/
+    static void
+_OnMenu(
+    HWND	hwnd,
+    int		id,
+    HWND	hwndCtl,
+    UINT	codeNotify)
+{
+    vimmenu_T	*pMenu;
+
+    pMenu = gui_mswin_find_menu(root_menu, id);
+    if (pMenu)
+	gui_menu_cb(pMenu);
+}
+#endif
+
+#ifdef MSWIN_FIND_REPLACE
+# if defined(FEAT_MBYTE) && defined(WIN3264)
+/*
+ * copy useful data from structure LPFINDREPLACE to structure LPFINDREPLACEW
+ */
+    static void
+findrep_atow(LPFINDREPLACEW lpfrw, LPFINDREPLACE lpfr)
+{
+    WCHAR *wp;
+
+    lpfrw->hwndOwner = lpfr->hwndOwner;
+    lpfrw->Flags = lpfr->Flags;
+
+    wp = enc_to_utf16((char_u *)lpfr->lpstrFindWhat, NULL);
+    wcsncpy(lpfrw->lpstrFindWhat, wp, lpfrw->wFindWhatLen - 1);
+    vim_free(wp);
+
+    /* the field "lpstrReplaceWith" doesn't need to be copied */
+}
+
+/*
+ * copy useful data from structure LPFINDREPLACEW to structure LPFINDREPLACE
+ */
+    static void
+findrep_wtoa(LPFINDREPLACE lpfr, LPFINDREPLACEW lpfrw)
+{
+    char_u *p;
+
+    lpfr->Flags = lpfrw->Flags;
+
+    p = utf16_to_enc((short_u*)lpfrw->lpstrFindWhat, NULL);
+    vim_strncpy((char_u *)lpfr->lpstrFindWhat, p, lpfr->wFindWhatLen - 1);
+    vim_free(p);
+
+    p = utf16_to_enc((short_u*)lpfrw->lpstrReplaceWith, NULL);
+    vim_strncpy((char_u *)lpfr->lpstrReplaceWith, p, lpfr->wReplaceWithLen - 1);
+    vim_free(p);
+}
+# endif
+
+/*
+ * Handle a Find/Replace window message.
+ */
+    static void
+_OnFindRepl(void)
+{
+    int	    flags = 0;
+    int	    down;
+
+# if defined(FEAT_MBYTE) && defined(WIN3264)
+    /* If the OS is Windows NT, and 'encoding' differs from active codepage:
+     * convert text from wide string. */
+    if (os_version.dwPlatformId == VER_PLATFORM_WIN32_NT
+			&& enc_codepage >= 0 && (int)GetACP() != enc_codepage)
+    {
+	findrep_wtoa(&s_findrep_struct, &s_findrep_struct_w);
+    }
+# endif
+
+    if (s_findrep_struct.Flags & FR_DIALOGTERM)
+	/* Give main window the focus back. */
+	(void)SetFocus(s_hwnd);
+
+    if (s_findrep_struct.Flags & FR_FINDNEXT)
+    {
+	flags = FRD_FINDNEXT;
+
+	/* Give main window the focus back: this is so the cursor isn't
+	 * hollow. */
+	(void)SetFocus(s_hwnd);
+    }
+    else if (s_findrep_struct.Flags & FR_REPLACE)
+    {
+	flags = FRD_REPLACE;
+
+	/* Give main window the focus back: this is so the cursor isn't
+	 * hollow. */
+	(void)SetFocus(s_hwnd);
+    }
+    else if (s_findrep_struct.Flags & FR_REPLACEALL)
+    {
+	flags = FRD_REPLACEALL;
+    }
+
+    if (flags != 0)
+    {
+	/* Call the generic GUI function to do the actual work. */
+	if (s_findrep_struct.Flags & FR_WHOLEWORD)
+	    flags |= FRD_WHOLE_WORD;
+	if (s_findrep_struct.Flags & FR_MATCHCASE)
+	    flags |= FRD_MATCH_CASE;
+	down = (s_findrep_struct.Flags & FR_DOWN) != 0;
+	gui_do_findrepl(flags, (char_u *)s_findrep_struct.lpstrFindWhat,
+			     (char_u *)s_findrep_struct.lpstrReplaceWith, down);
+    }
+}
+#endif
+
+    static void
+HandleMouseHide(UINT uMsg, LPARAM lParam)
+{
+    static LPARAM last_lParam = 0L;
+
+    /* We sometimes get a mousemove when the mouse didn't move... */
+    if (uMsg == WM_MOUSEMOVE || uMsg == WM_NCMOUSEMOVE)
+    {
+	if (lParam == last_lParam)
+	    return;
+	last_lParam = lParam;
+    }
+
+    /* Handle specially, to centralise coding. We need to be sure we catch all
+     * possible events which should cause us to restore the cursor (as it is a
+     * shared resource, we take full responsibility for it).
+     */
+    switch (uMsg)
+    {
+    case WM_KEYUP:
+    case WM_CHAR:
+	/*
+	 * blank out the pointer if necessary
+	 */
+	if (p_mh)
+	    gui_mch_mousehide(TRUE);
+	break;
+
+    case WM_SYSKEYUP:	 /* show the pointer when a system-key is pressed */
+    case WM_SYSCHAR:
+    case WM_MOUSEMOVE:	 /* show the pointer on any mouse action */
+    case WM_LBUTTONDOWN:
+    case WM_LBUTTONUP:
+    case WM_MBUTTONDOWN:
+    case WM_MBUTTONUP:
+    case WM_RBUTTONDOWN:
+    case WM_RBUTTONUP:
+    case WM_XBUTTONDOWN:
+    case WM_XBUTTONUP:
+    case WM_NCMOUSEMOVE:
+    case WM_NCLBUTTONDOWN:
+    case WM_NCLBUTTONUP:
+    case WM_NCMBUTTONDOWN:
+    case WM_NCMBUTTONUP:
+    case WM_NCRBUTTONDOWN:
+    case WM_NCRBUTTONUP:
+    case WM_KILLFOCUS:
+	/*
+	 * if the pointer is currently hidden, then we should show it.
+	 */
+	gui_mch_mousehide(FALSE);
+	break;
+    }
+}
+
+    static LRESULT CALLBACK
+_TextAreaWndProc(
+    HWND hwnd,
+    UINT uMsg,
+    WPARAM wParam,
+    LPARAM lParam)
+{
+    /*
+    TRACE("TextAreaWndProc: hwnd = %08x, msg = %x, wParam = %x, lParam = %x\n",
+	  hwnd, uMsg, wParam, lParam);
+    */
+
+    HandleMouseHide(uMsg, lParam);
+
+    s_uMsg = uMsg;
+    s_wParam = wParam;
+    s_lParam = lParam;
+
+#ifdef FEAT_BEVAL
+    TrackUserActivity(uMsg);
+#endif
+
+    switch (uMsg)
+    {
+	HANDLE_MSG(hwnd, WM_LBUTTONDBLCLK,_OnMouseButtonDown);
+	HANDLE_MSG(hwnd, WM_LBUTTONDOWN,_OnMouseButtonDown);
+	HANDLE_MSG(hwnd, WM_LBUTTONUP,	_OnMouseMoveOrRelease);
+	HANDLE_MSG(hwnd, WM_MBUTTONDBLCLK,_OnMouseButtonDown);
+	HANDLE_MSG(hwnd, WM_MBUTTONDOWN,_OnMouseButtonDown);
+	HANDLE_MSG(hwnd, WM_MBUTTONUP,	_OnMouseMoveOrRelease);
+	HANDLE_MSG(hwnd, WM_MOUSEMOVE,	_OnMouseMoveOrRelease);
+	HANDLE_MSG(hwnd, WM_PAINT,	_OnPaint);
+	HANDLE_MSG(hwnd, WM_RBUTTONDBLCLK,_OnMouseButtonDown);
+	HANDLE_MSG(hwnd, WM_RBUTTONDOWN,_OnMouseButtonDown);
+	HANDLE_MSG(hwnd, WM_RBUTTONUP,	_OnMouseMoveOrRelease);
+	HANDLE_MSG(hwnd, WM_XBUTTONDBLCLK,_OnMouseButtonDown);
+	HANDLE_MSG(hwnd, WM_XBUTTONDOWN,_OnMouseButtonDown);
+	HANDLE_MSG(hwnd, WM_XBUTTONUP,	_OnMouseMoveOrRelease);
+
+#ifdef FEAT_BEVAL
+	case WM_NOTIFY: Handle_WM_Notify(hwnd, (LPNMHDR)lParam);
+	    return TRUE;
+#endif
+	default:
+	    return MyWindowProc(hwnd, uMsg, wParam, lParam);
+    }
+}
+
+#if (defined(WIN3264) && defined(FEAT_MBYTE)) \
+	|| defined(GLOBAL_IME) \
+	|| defined(PROTO)
+# ifdef PROTO
+typedef int WINAPI;
+# endif
+
+    LRESULT WINAPI
+vim_WindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+# ifdef GLOBAL_IME
+    return global_ime_DefWindowProc(hwnd, message, wParam, lParam);
+# else
+    if (wide_WindowProc)
+	return DefWindowProcW(hwnd, message, wParam, lParam);
+    return DefWindowProc(hwnd, message, wParam, lParam);
+#endif
+}
+#endif
+
+/*
+ * Called when the foreground or background color has been changed.
+ */
+    void
+gui_mch_new_colors(void)
+{
+    /* nothing to do? */
+}
+
+/*
+ * Set the colors to their default values.
+ */
+    void
+gui_mch_def_colors(void)
+{
+    gui.norm_pixel = GetSysColor(COLOR_WINDOWTEXT);
+    gui.back_pixel = GetSysColor(COLOR_WINDOW);
+    gui.def_norm_pixel = gui.norm_pixel;
+    gui.def_back_pixel = gui.back_pixel;
+}
+
+/*
+ * Open the GUI window which was created by a call to gui_mch_init().
+ */
+    int
+gui_mch_open(void)
+{
+#ifndef SW_SHOWDEFAULT
+# define SW_SHOWDEFAULT 10	/* Borland 5.0 doesn't have it */
+#endif
+    /* Actually open the window, if not already visible
+     * (may be done already in gui_mch_set_shellsize) */
+    if (!IsWindowVisible(s_hwnd))
+	ShowWindow(s_hwnd, SW_SHOWDEFAULT);
+
+#ifdef MSWIN_FIND_REPLACE
+    /* Init replace string here, so that we keep it when re-opening the
+     * dialog. */
+    s_findrep_struct.lpstrReplaceWith[0] = NUL;
+#endif
+
+    return OK;
+}
+
+/*
+ * Get the position of the top left corner of the window.
+ */
+    int
+gui_mch_get_winpos(int *x, int *y)
+{
+    RECT    rect;
+
+    GetWindowRect(s_hwnd, &rect);
+    *x = rect.left;
+    *y = rect.top;
+    return OK;
+}
+
+/*
+ * Set the position of the top left corner of the window to the given
+ * coordinates.
+ */
+    void
+gui_mch_set_winpos(int x, int y)
+{
+    SetWindowPos(s_hwnd, NULL, x, y, 0, 0,
+		 SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
+}
+    void
+gui_mch_set_text_area_pos(int x, int y, int w, int h)
+{
+    static int oldx = 0;
+    static int oldy = 0;
+
+    SetWindowPos(s_textArea, NULL, x, y, w, h, SWP_NOZORDER | SWP_NOACTIVATE);
+
+#ifdef FEAT_TOOLBAR
+    if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
+	SendMessage(s_toolbarhwnd, WM_SIZE,
+	      (WPARAM)0, (LPARAM)(w + ((long)(TOOLBAR_BUTTON_HEIGHT+8)<<16)));
+#endif
+#if defined(FEAT_GUI_TABLINE)
+    if (showing_tabline)
+    {
+	int	top = 0;
+	RECT	rect;
+
+# ifdef FEAT_TOOLBAR
+	if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
+	    top = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
+# endif
+	GetClientRect(s_hwnd, &rect);
+	MoveWindow(s_tabhwnd, 0, top, rect.right, gui.tabline_height, TRUE);
+    }
+#endif
+
+    /* When side scroll bar is unshown, the size of window will change.
+     * then, the text area move left or right. thus client rect should be
+     * forcedly redrawn. (Yasuhiro Matsumoto) */
+    if (oldx != x || oldy != y)
+    {
+	InvalidateRect(s_hwnd, NULL, FALSE);
+	oldx = x;
+	oldy = y;
+    }
+}
+
+
+/*
+ * Scrollbar stuff:
+ */
+
+    void
+gui_mch_enable_scrollbar(
+    scrollbar_T     *sb,
+    int		    flag)
+{
+    ShowScrollBar(sb->id, SB_CTL, flag);
+
+    /* TODO: When the window is maximized, the size of the window stays the
+     * same, thus the size of the text area changes.  On Win98 it's OK, on Win
+     * NT 4.0 it's not... */
+}
+
+    void
+gui_mch