Key rollover: rewrite the PGP keys manual appendix.

[PuTTY.git] / windows / window.c

diff --git a/windows/window.c b/windows/window.c
index bf8d651eb22424056420f391f2bea393e923486f..2bbdc263c9da91dad5f3682da3b38c24429708e4 100644 (file)
--- a/windows/window.c
+++ b/windows/window.c
@@ -76,6 +76,11 @@
 #define WHEEL_DELTA 120
 #endif
 
+/* VK_PACKET, used to send Unicode characters in WM_KEYDOWNs */
+#ifndef VK_PACKET
+#define VK_PACKET 0xE7
+#endif
+
 static Mouse_Button translate_button(Mouse_Button button);
 static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
 static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
@@ -332,7 +337,6 @@ static void close_session(void *ignored_context)
 
 int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
 {
-    WNDCLASS wndclass;
     MSG msg;
     HRESULT hr;
     int guess_width, guess_height;
@@ -645,6 +649,8 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
     }
 
     if (!prev) {
+        WNDCLASSW wndclass;
+
        wndclass.style = 0;
        wndclass.lpfnWndProc = WndProc;
        wndclass.cbClsExtra = 0;
@@ -654,9 +660,9 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
        wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM);
        wndclass.hbrBackground = NULL;
        wndclass.lpszMenuName = NULL;
-       wndclass.lpszClassName = appname;
+       wndclass.lpszClassName = dup_mb_to_wc(DEFAULT_CODEPAGE, 0, appname);
 
-       RegisterClass(&wndclass);
+       RegisterClassW(&wndclass);
     }
 
     memset(&ucsdata, 0, sizeof(ucsdata));
@@ -690,6 +696,7 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
     {
        int winmode = WS_OVERLAPPEDWINDOW | WS_VSCROLL;
        int exwinmode = 0;
+        wchar_t *uappname = dup_mb_to_wc(DEFAULT_CODEPAGE, 0, appname);
        if (!conf_get_int(conf, CONF_scrollbar))
            winmode &= ~(WS_VSCROLL);
        if (conf_get_int(conf, CONF_resize_action) == RESIZE_DISABLED)
@@ -698,10 +705,11 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
            exwinmode |= WS_EX_TOPMOST;
        if (conf_get_int(conf, CONF_sunken_edge))
            exwinmode |= WS_EX_CLIENTEDGE;
-       hwnd = CreateWindowEx(exwinmode, appname, appname,
-                             winmode, CW_USEDEFAULT, CW_USEDEFAULT,
-                             guess_width, guess_height,
-                             NULL, NULL, inst, NULL);
+       hwnd = CreateWindowExW(exwinmode, uappname, uappname,
+                               winmode, CW_USEDEFAULT, CW_USEDEFAULT,
+                               guess_width, guess_height,
+                               NULL, NULL, inst, NULL);
+        sfree(uappname);
     }
 
     /*
@@ -888,12 +896,34 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
        } else
            sfree(handles);
 
-       if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
+       while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE)) {
            if (msg.message == WM_QUIT)
                goto finished;         /* two-level break */
 
            if (!(IsWindow(logbox) && IsDialogMessage(logbox, &msg)))
-               DispatchMessage(&msg);
+               DispatchMessageW(&msg);
+
+            /*
+             * WM_NETEVENT messages seem to jump ahead of others in
+             * the message queue. I'm not sure why; the docs for
+             * PeekMessage mention that messages are prioritised in
+             * some way, but I'm unclear on which priorities go where.
+             *
+             * Anyway, in practice I observe that WM_NETEVENT seems to
+             * jump to the head of the queue, which means that if we
+             * were to only process one message every time round this
+             * loop, we'd get nothing but NETEVENTs if the server
+             * flooded us with data, and stop responding to any other
+             * kind of window message. So instead, we keep on round
+             * this loop until we've consumed at least one message
+             * that _isn't_ a NETEVENT, or run out of messages
+             * completely (whichever comes first). And we don't go to
+             * run_toplevel_callbacks (which is where the netevents
+             * are actually processed, causing fresh NETEVENT messages
+             * to appear) until we've done this.
+             */
+            if (msg.message != WM_NETEVENT)
+                break;
        }
 
         run_toplevel_callbacks();
@@ -2234,9 +2264,10 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
                 * Flush the line discipline's edit buffer in the
                 * case where local editing has just been disabled.
                 */
-               ldisc_configure(ldisc, conf);
-               if (ldisc)
+               if (ldisc) {
+                    ldisc_configure(ldisc, conf);
                    ldisc_send(ldisc, NULL, 0, 0);
+                }
                if (pal)
                    DeleteObject(pal);
                logpal = NULL;
@@ -3060,7 +3091,8 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
            unsigned char buf[20];
            int len;
 
-           if (wParam == VK_PROCESSKEY) { /* IME PROCESS key */
+           if (wParam == VK_PROCESSKEY || /* IME PROCESS key */
+                wParam == VK_PACKET) {     /* 'this key is a Unicode char' */
                if (message == WM_KEYDOWN) {
                    MSG m;
                    m.hwnd = hwnd;
@@ -3072,7 +3104,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
            } else {
                len = TranslateKey(message, wParam, lParam, buf);
                if (len == -1)
-                   return DefWindowProc(hwnd, message, wParam, lParam);
+                   return DefWindowProcW(hwnd, message, wParam, lParam);
 
                if (len != 0) {
                    /*
@@ -3176,10 +3208,21 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
         * we're ready to cope.
         */
        {
-           char c = (unsigned char)wParam;
-           term_seen_key_event(term);
-           if (ldisc)
-               lpage_send(ldisc, CP_ACP, &c, 1, 1);
+            static wchar_t pending_surrogate = 0;
+           wchar_t c = wParam;
+
+            if (IS_HIGH_SURROGATE(c)) {
+                pending_surrogate = c;
+            } else if (IS_SURROGATE_PAIR(pending_surrogate, c)) {
+                wchar_t pair[2];
+                pair[0] = pending_surrogate;
+                pair[1] = c;
+                term_seen_key_event(term);
+                luni_send(ldisc, pair, 2, 1);
+            } else if (!IS_SURROGATE(c)) {
+                term_seen_key_event(term);
+                luni_send(ldisc, &c, 1, 1);
+            }
        }
        return 0;
       case WM_SYSCOLORCHANGE:
@@ -3248,10 +3291,6 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
                                   TO_CHR_X(p.x),
                                   TO_CHR_Y(p.y), shift_pressed,
                                   control_pressed, is_alt_pressed());
-                       term_mouse(term, b, translate_button(b),
-                                  MA_RELEASE, TO_CHR_X(p.x),
-                                  TO_CHR_Y(p.y), shift_pressed,
-                                  control_pressed, is_alt_pressed());
                    } /* else: not sure when this can fail */
                } else {
                    /* trigger a scroll */
@@ -3268,7 +3307,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
      * Any messages we don't process completely above are passed through to
      * DefWindowProc() for default processing.
      */
-    return DefWindowProc(hwnd, message, wParam, lParam);
+    return DefWindowProcW(hwnd, message, wParam, lParam);
 }
 
 /*