X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/568dd02f4cd326537f5b71db44a06242a9311280..3ad9d396e3e57477b4da4b20665ca33edd5d7f67:/window.c

diff --git a/window.c b/window.c
index b82ccfb8..378634f9 100644
--- a/window.c
+++ b/window.c
@@ -128,6 +128,8 @@ static char *window_name, *icon_name;
 
 static int compose_state = 0;
 
+static OSVERSIONINFO osVersion;
+
 /* Dummy routine, only required in plink. */
 void ldisc_update(int echo, int edit)
 {
@@ -166,6 +168,16 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
      * config box. */
     defuse_showwindow();
 
+    {
+	ZeroMemory(&osVersion, sizeof(osVersion));
+	osVersion.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
+	if (!GetVersionEx ( (OSVERSIONINFO *) &osVersion)) {
+            MessageBox(NULL, "Windows refuses to report a version",
+                       "PuTTY Fatal Error", MB_OK | MB_ICONEXCLAMATION);
+	    return 1;
+        }
+    }
+
     /*
      * Process the command line.
      */
@@ -574,6 +586,7 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
      * Finally show the window!
      */
     ShowWindow(hwnd, show);
+    SetForegroundWindow(hwnd);
 
     /*
      * Open the initial log file if there is one.
@@ -693,7 +706,8 @@ char *do_select(SOCKET skt, int startup)
     int msg, events;
     if (startup) {
 	msg = WM_NETEVENT;
-	events = FD_READ | FD_WRITE | FD_OOB | FD_CLOSE;
+	events = (FD_CONNECT | FD_READ | FD_WRITE |
+		  FD_OOB | FD_CLOSE | FD_ACCEPT);
     } else {
 	msg = events = 0;
     }
@@ -1116,7 +1130,8 @@ static void click(Mouse_Button b, int x, int y, int shift, int ctrl)
 {
     int thistime = GetMessageTime();
 
-    if (send_raw_mouse) {
+    if (send_raw_mouse && !(cfg.mouse_override && shift)) {
+	lastbtn = MBT_NOTHING;
 	term_mouse(b, MA_CLICK, x, y, shift, ctrl);
 	return;
     }
@@ -1479,6 +1494,17 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 	  case IDM_ABOUT:
 	    showabout(hwnd);
 	    break;
+          case SC_KEYMENU:
+	    /*
+	     * We get this if the System menu has been activated.
+	     * This might happen from within TranslateKey, in which
+	     * case it really wants to be followed by a `space'
+	     * character to actually _bring the menu up_ rather
+	     * than just sitting there in `ready to appear' state.
+	     */
+	    if( lParam == 0 )
+		PostMessage(hwnd, WM_CHAR, ' ', 0);
+	    break;
 	  default:
 	    if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
 		SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
@@ -1641,6 +1667,9 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 	pending_netevent = TRUE;
 	pend_netevent_wParam = wParam;
 	pend_netevent_lParam = lParam;
+	if (WSAGETSELECTEVENT(lParam) != FD_READ)
+	    enact_pending_netevent();
+
 	time(&last_movement);
 	return 0;
       case WM_SETFOCUS:
@@ -1850,10 +1879,19 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 		len = TranslateKey(message, wParam, lParam, buf);
 		if (len == -1)
 		    return DefWindowProc(hwnd, message, wParam, lParam);
-		ldisc_send(buf, len);
 
-		if (len > 0)
+		if (len != 0) {
+		    /*
+		     * We need not bother about stdin backlogs
+		     * here, because in GUI PuTTY we can't do
+		     * anything about it anyway; there's no means
+		     * of asking Windows to hold off on KEYDOWN
+		     * messages. We _have_ to buffer everything
+		     * we're sent.
+		     */
+		    ldisc_send(buf, len);
 		    show_mouseptr(0);
+		}
 	    }
 	}
 	return 0;
@@ -1872,6 +1910,31 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
 	    kbd_codepage = atoi(lbuf);
 	}
 	break;
+      case WM_IME_COMPOSITION:
+	{
+	    HIMC hIMC;
+	    int n;
+	    char *buff;
+   
+	    if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS || 
+	        osVersion.dwPlatformId == VER_PLATFORM_WIN32s) break; /* no Unicode */
+
+	    if ((lParam & GCS_RESULTSTR) == 0) /* Composition unfinished. */
+		break; /* fall back to DefWindowProc */
+
+	    hIMC = ImmGetContext(hwnd);
+	    n = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
+
+	    if (n > 0) {
+		buff = (char*) smalloc(n);
+		ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, buff, n);
+		luni_send((unsigned short *)buff, n / 2);
+		free(buff);
+	    }
+	    ImmReleaseContext(hwnd, hIMC);
+	    return 1;
+	}
+
       case WM_IME_CHAR:
 	if (wParam & 0xFF00) {
 	    unsigned char buf[2];
@@ -1915,8 +1978,27 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
  */
 void sys_cursor(int x, int y)
 {
-    if (has_focus)
-	SetCaretPos(x * font_width, y * font_height);
+    COMPOSITIONFORM cf;
+    HIMC hIMC;
+
+    if (!has_focus) return;
+    
+    SetCaretPos(x * font_width, y * font_height);
+
+    /* IMM calls on Win98 and beyond only */
+    if(osVersion.dwPlatformId == VER_PLATFORM_WIN32s) return; /* 3.11 */
+    
+    if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
+	    osVersion.dwMinorVersion == 0) return; /* 95 */
+
+    /* we should have the IMM functions */
+    hIMC = ImmGetContext(hwnd);
+    cf.dwStyle = CFS_POINT;
+    cf.ptCurrentPos.x = x * font_width;
+    cf.ptCurrentPos.y = y * font_height;
+    ImmSetCompositionWindow(hIMC, &cf);
+
+    ImmReleaseContext(hwnd, hIMC);
 }
 
 /*
@@ -2227,7 +2309,6 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
     int scan, left_alt = 0, key_down, shift_state;
     int r, i, code;
     unsigned char *p = output;
-    static int alt_state = 0;
     static int alt_sum = 0;
 
     HKL kbd_layout = GetKeyboardLayout(0);
@@ -2468,8 +2549,6 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 	    return -1;
 	}
 	if (left_alt && wParam == VK_SPACE && cfg.alt_space) {
-	    alt_state = 0;
-	    PostMessage(hwnd, WM_CHAR, ' ', 0);
 	    SendMessage(hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
 	    return -1;
 	}
@@ -2729,6 +2808,8 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 	  case VK_F20:
 	    code = 34;
 	    break;
+	}
+	if ((shift_state&2) == 0) switch (wParam) {
 	  case VK_HOME:
 	    code = 1;
 	    break;
@@ -2757,7 +2838,8 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 	    return p - output;
 	}
 
-	if (cfg.funky_type == 5 && code >= 11 && code <= 34) {
+	if (cfg.funky_type == 5 &&     /* SCO function keys */
+	    code >= 11 && code <= 34) {
 	    char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
 	    int index = 0;
 	    switch (wParam) {
@@ -2779,6 +2861,16 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 	    p += sprintf((char *) p, "\x1B[%c", codes[index]);
 	    return p - output;
 	}
+	if (cfg.funky_type == 5 &&     /* SCO small keypad */
+	    code >= 1 && code <= 6) {
+	    char codes[] = "HL.FIG";
+	    if (code == 3) {
+		*p++ = '\x7F';
+	    } else {
+		p += sprintf((char *) p, "\x1B[%c", codes[code-1]);
+	    }
+	    return p - output;
+	}
 	if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
 	    int offt = 0;
 	    if (code > 15)
@@ -2881,7 +2973,7 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 #ifdef SHOW_TOASCII_RESULT
 	if (r == 1 && !key_down) {
 	    if (alt_sum) {
-		if (utf || dbcs_screenfont)
+		if (in_utf || dbcs_screenfont)
 		    debug((", (U+%04x)", alt_sum));
 		else
 		    debug((", LCH(%d)", alt_sum));
@@ -2925,11 +3017,20 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 
 		if (!key_down) {
 		    if (alt_sum) {
-			if (utf || dbcs_screenfont) {
+			if (in_utf || dbcs_screenfont) {
 			    keybuf = alt_sum;
 			    luni_send(&keybuf, 1);
 			} else {
 			    ch = (char) alt_sum;
+			    /*
+			     * We need not bother about stdin
+			     * backlogs here, because in GUI PuTTY
+			     * we can't do anything about it
+			     * anyway; there's no means of asking
+			     * Windows to hold off on KEYDOWN
+			     * messages. We _have_ to buffer
+			     * everything we're sent.
+			     */
 			    ldisc_send(&ch, 1);
 			}
 			alt_sum = 0;
@@ -2941,6 +3042,7 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 		    lpage_send(kbd_codepage, cbuf + !left_alt,
 			       1 + !!left_alt);
 		}
+		show_mouseptr(0);
 	    }
 
 	    /* This is so the ALT-Numpad and dead keys work correctly. */
@@ -2952,23 +3054,19 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 	if (!left_alt)
 	    keys[0] = 0;
 	/* If we will be using alt_sum fix the 256s */
-	else if (keys[0] && (utf || dbcs_screenfont))
+	else if (keys[0] && (in_utf || dbcs_screenfont))
 	    keys[0] = 10;
     }
 
-    /* ALT alone may or may not want to bring up the System menu */
-    if (wParam == VK_MENU) {
-	if (cfg.alt_only) {
-	    if (message == WM_SYSKEYDOWN)
-		alt_state = 1;
-	    else if (message == WM_SYSKEYUP && alt_state)
-		PostMessage(hwnd, WM_CHAR, ' ', 0);
-	    if (message == WM_SYSKEYUP)
-		alt_state = 0;
-	} else
-	    return 0;
-    } else
-	alt_state = 0;
+    /*
+     * ALT alone may or may not want to bring up the System menu.
+     * If it's not meant to, we return 0 on presses or releases of
+     * ALT, to show that we've swallowed the keystroke. Otherwise
+     * we return -1, which means Windows will give the keystroke
+     * its default handling (i.e. bring up the System menu).
+     */
+    if (wParam == VK_MENU && !cfg.alt_only)
+	return 0;
 
     return -1;
 }