[Spice-devel] [spice-gtk 1/3] Send Zenkaku_Hankaku key in JP keyboard
Takao Fujiwara
tfujiwar at redhat.com
Wed Apr 6 04:30:09 UTC 2016
Zenkaku_Hankaku key has the different virtual-key codes between
WM_KEYDOWN
and WM_KEYUP and MapVirtualKey() cannot get the scancode from virtual-
key
code of WM_KEYDOWN (VK_DBE_DBCSCHAR) and spice-gtk didn't send the key
press events and caused the desktop freeze with unlimited key release
events.
The fix is to get the scancode from virtual-key code of WM_KEYUP
(VK_DBE_SBCSCHAR) and Zenkaku_Hankaku key works fine.
Alt + Zenkaku_Hankaku key also has the different virtual-key code and
MapVirtualKey() cannot get the scancode from the virtual-key and
spice-gtk didn't send the key press events and Alt+Zenkaku_Hankaku
could not be used.
The fix is to get the scancode from virtual-key code of Zenkaku_Hankaku
key
(VK_DBE_SBCSCHAR).
VK_CAPITAL, VK_DBE_ROMAN are also applied the similar fixes.
---
src/spice-widget-priv.h | 1 +
src/spice-widget.c | 78
+++++++++++++++++++++++++++++++++++++++++++++++--
2 files changed, 77 insertions(+), 2 deletions(-)
diff --git a/src/spice-widget-priv.h b/src/spice-widget-priv.h
index 95bca8a..95a8371 100644
--- a/src/spice-widget-priv.h
+++ b/src/spice-widget-priv.h
@@ -117,6 +117,7 @@ struct _SpiceDisplayPrivate {
gint mark;
#ifdef WIN32
HHOOK keyboard_hook;
+ HHOOK call_wnd_proc_hook;
int win_mouse[3];
int win_mouse_speed;
#endif
diff --git a/src/spice-widget.c b/src/spice-widget.c
index f605439..49e1f2a 100644
--- a/src/spice-widget.c
+++ b/src/spice-widget.c
@@ -30,6 +30,7 @@
#endif
#ifdef G_OS_WIN32
#include <windows.h>
+#include <ime.h>
#include <gdk/gdkwin32.h>
#ifndef MAPVK_VK_TO_VSC /* may be undefined in older mingw-headers */
#define MAPVK_VK_TO_VSC 0
@@ -99,6 +100,7 @@ static guint signals[SPICE_DISPLAY_LAST_SIGNAL];
#ifdef G_OS_WIN32
static HWND win32_window = NULL;
+static HKL win32_keymap;
#endif
static void update_keyboard_grab(SpiceDisplay *display);
@@ -644,6 +646,10 @@ static void spice_display_init(SpiceDisplay
*display)
d->grabseq =
spice_grab_sequence_new_from_string("Control_L+Alt_L");
d->activeseq = g_new0(gboolean, d->grabseq->nkeysyms);
d->mouse_cursor = get_blank_cursor();
+
+#ifdef G_OS_WIN32
+ win32_keymap = GetKeyboardLayout(0);
+#endif
}
static GObject *
@@ -757,6 +763,20 @@ static LRESULT CALLBACK keyboard_hook_cb(int code,
WPARAM wparam, LPARAM lparam)
}
return CallNextHookEx(NULL, code, wparam, lparam);
}
+
+static LRESULT CALLBACK call_wnd_proc_hook_cb(int code, WPARAM wparam,
LPARAM lparam)
+{
+ if (code >= 0) {
+ CWPSTRUCT *cwp = (CWPSTRUCT *) lparam;
+ switch (cwp->message) {
+ case WM_INPUTLANGCHANGE:
+ win32_keymap = (HKL) cwp->lParam;
+ break;
+ default:;
+ }
+ }
+ return CallNextHookEx(NULL, code, wparam, lparam);
+}
#endif
/**
@@ -813,6 +833,13 @@ static void try_keyboard_grab(SpiceDisplay
*display)
d->keyboard_hook = SetWindowsHookEx(WH_KEYBOARD_LL,
keyboard_hook_cb,
GetModuleHandle(NULL), 0);
g_warn_if_fail(d->keyboard_hook != NULL);
+
+ if (d->call_wnd_proc_hook == NULL)
+ d->call_wnd_proc_hook = SetWindowsHookEx(WH_CALLWNDPROC,
+ call_wnd_proc_hook_cb
,
+ GetModuleHandle(NULL)
,
+ GetCurrentThreadId())
;
+ g_warn_if_fail(d->call_wnd_proc_hook != NULL);
#endif
status = gdk_keyboard_grab(gtk_widget_get_window(widget), FALSE,
GDK_CURRENT_TIME);
@@ -840,6 +867,11 @@ static void try_keyboard_ungrab(SpiceDisplay
*display)
UnhookWindowsHookEx(d->keyboard_hook);
d->keyboard_hook = NULL;
}
+
+ if (d->call_wnd_proc_hook != NULL) {
+ UnhookWindowsHookEx(d->call_wnd_proc_hook);
+ d->call_wnd_proc_hook = NULL;
+ }
#endif
d->keyboard_grab_active = false;
g_signal_emit(widget, signals[SPICE_DISPLAY_KEYBOARD_GRAB], 0,
false);
@@ -1418,6 +1450,9 @@ static gboolean key_event(GtkWidget *widget,
GdkEventKey *key)
SpiceDisplay *display = SPICE_DISPLAY(widget);
SpiceDisplayPrivate *d = display->priv;
int scancode;
+#ifdef G_OS_WIN32
+ int native_scancode;
+#endif
#ifdef G_OS_WIN32
/* on windows, we ought to ignore the reserved key event? */
@@ -1464,9 +1499,48 @@ static gboolean key_event(GtkWidget *widget,
GdkEventKey *key)
scancode = vnc_display_keymap_gdk2xtkbd(d->keycode_map, d-
>keycode_maplen,
key->hardware_keycode);
#ifdef G_OS_WIN32
+ native_scancode = MapVirtualKey(key->hardware_keycode,
MAPVK_VK_TO_VSC);
+
+ /* Some virtual-key codes are missed in MapVirtualKey(). */
+ switch (LOWORD(win32_keymap)) {
+ case MAKELANGID(LANG_JAPANESE, SUBLANG_JAPANESE_JAPAN):
+ if (native_scancode == 0) {
+ switch (key->hardware_keycode) {
+ case VK_DBE_DBCSCHAR: /* from Pressed
Zenkaku_Hankaku */
+ case VK_KANJI: /* from Alt + Zenkaku_Hankaku
*/
+ case VK_DBE_ENTERIMECONFIGMODE:
+ /* from
Ctrl+Alt+Zenkaku_Hankaku */
+ scancode = MapVirtualKey(VK_DBE_SBCSCHAR,
MAPVK_VK_TO_VSC);
+ /* to Released Zenkaku_Hankaku
*/
+ goto got_scancode;
+ case VK_CAPITAL: /* from Shift + Eisu_toggle */
+ case VK_DBE_CODEINPUT: /* from Pressed
Ctrl+Alt+Eisu_toggle */
+ case VK_DBE_NOCODEINPUT: /* from Released
Ctrl+Alt+Eisu_toggle */
+ scancode = MapVirtualKey(VK_DBE_ALPHANUMERIC,
MAPVK_VK_TO_VSC);
+ /* to Eisu_toggle */
+ goto got_scancode;
+ case VK_DBE_ROMAN: /* from Pressed
Alt+Hiragana_Katakana */
+ case VK_KANA: /* from
Ctrl+Shift+Hiragana_Katakana */
+ scancode = MapVirtualKey(VK_DBE_HIRAGANA,
MAPVK_VK_TO_VSC);
+ /* to Hiragana_Katakana */
+ goto got_scancode;
+ case VK_DBE_ENTERWORDREGISTERMODE:
+ /* from Ctrl + Alt + Muhenkan
*/
+ scancode = MapVirtualKey(VK_NONCONVERT,
MAPVK_VK_TO_VSC);
+ /* to Muhenkan */
+ goto got_scancode;
+ default:;
+ }
+ }
+ break;
+ default:;
+ }
+
/* MapVirtualKey doesn't return scancode with needed higher byte
*/
- scancode = MapVirtualKey(key->hardware_keycode, MAPVK_VK_TO_VSC) |
- (scancode & 0xff00);
+ scancode = native_scancode | (scancode & 0xff00);
+
+got_scancode:
+
#endif
switch (key->type) {
--
2.5.0
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