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GdkWin32: Code reorganization for gdk_event_translate

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This commit is contained in:
Luca Bacci
2022-01-14 14:47:29 +01:00
parent 3bfaaab4f7
commit 8bbf48eb64
1 changed files with 296 additions and 268 deletions
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564
gdk/win32/gdkevents-win32.c
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@@ -1740,16 +1740,12 @@ gdk_event_translate (MSG *msg,
POINT point;
MINMAXINFO *mmi;
HWND hwnd;
BYTE key_state[256];
HIMC himc;
WINDOWPOS *windowpos;
gboolean ignore_leave;
GdkEvent *event;
wchar_t wbuf[100];
int ccount;
GdkDisplay *display;
GdkSurface *window = NULL;
GdkWin32Surface *impl;
@@ -1767,21 +1763,12 @@ gdk_event_translate (MSG *msg,
int button;
char buf[256];
gboolean return_val = FALSE;
int i;
GdkModifierType state, consumed_modifiers;
guint keyval;
guint16 keycode;
guint8 group;
int level;
gboolean is_modifier;
double delta_x, delta_y;
GdkScrollDirection direction;
GdkTranslatedKey translated;
display = gdk_display_get_default ();
win32_display = GDK_WIN32_DISPLAY (display);
@@ -1840,35 +1827,43 @@ gdk_event_translate (MSG *msg,
switch (msg->message)
{
case WM_INPUTLANGCHANGE:
_gdk_input_locale = (HKL) msg->lParam;
_gdk_win32_keymap_set_active_layout (GDK_WIN32_KEYMAP (_gdk_win32_display_get_keymap (_gdk_display)), _gdk_input_locale);
GetLocaleInfo (MAKELCID (LOWORD (_gdk_input_locale), SORT_DEFAULT),
LOCALE_IDEFAULTANSICODEPAGE,
buf, sizeof (buf));
_gdk_input_codepage = atoi (buf);
_gdk_keymap_serial++;
GDK_NOTE (EVENTS,
g_print (" cs:%lu hkl:%p%s cp:%d",
(gulong) msg->wParam,
(gpointer) msg->lParam, _gdk_input_locale_is_ime ? " (IME)" : "",
_gdk_input_codepage));
gdk_display_setting_changed (display, "gtk-im-module");
{
GdkWin32Keymap *win32_keymap;
GdkTranslatedKey translated;
char buf[256];
/* Generate a dummy key event to "nudge" IMContext */
translated.keyval = GDK_KEY_VoidSymbol;
translated.consumed = 0;
translated.layout = 0;
translated.level = 0;
event = gdk_key_event_new (GDK_KEY_PRESS,
window,
device_manager_win32->core_keyboard,
_gdk_win32_get_next_tick (msg->time),
0,
0,
FALSE,
&translated,
&translated);
_gdk_win32_append_event (event);
win32_keymap = GDK_WIN32_KEYMAP (_gdk_win32_display_get_keymap (_gdk_display));
_gdk_input_locale = (HKL) msg->lParam;
_gdk_win32_keymap_set_active_layout (win32_keymap, _gdk_input_locale);
GetLocaleInfo (MAKELCID (LOWORD (_gdk_input_locale), SORT_DEFAULT),
LOCALE_IDEFAULTANSICODEPAGE, buf, sizeof (buf));
_gdk_input_codepage = atoi (buf);
_gdk_keymap_serial++;
GDK_NOTE (EVENTS,
g_print (" cs:%lu hkl:%p%s cp:%d",
(gulong) msg->wParam,
(gpointer) msg->lParam,
_gdk_input_locale_is_ime ? " (IME)" : "",
_gdk_input_codepage));
gdk_display_setting_changed (display, "gtk-im-module");
/* Generate a dummy key event to "nudge" IMContext */
translated.keyval = GDK_KEY_VoidSymbol;
translated.consumed = 0;
translated.layout = 0;
translated.level = 0;
event = gdk_key_event_new (GDK_KEY_PRESS,
window,
device_manager_win32->core_keyboard,
_gdk_win32_get_next_tick (msg->time),
0,
0,
FALSE,
&translated,
&translated);
_gdk_win32_append_event (event);
}
break;
case WM_SYSKEYUP:
@@ -1905,181 +1900,194 @@ gdk_event_translate (MSG *msg,
decode_key_lparam (msg->lParam)));
keyup_or_down:
{
GdkWin32Keymap *win32_keymap;
GdkModifierType state;
GdkModifierType consumed_modifiers;
guint keyval;
guint16 keycode;
guint8 group;
int level;
gboolean is_modifier;
GdkTranslatedKey translated;
BYTE key_state[256];
wchar_t wbuf[100];
int ccount = 0;
/* Ignore key messages intended for the IME */
if (msg->wParam == VK_PROCESSKEY ||
in_ime_composition)
break;
/* Ignore key messages intended for the IME */
if (msg->wParam == VK_PROCESSKEY || in_ime_composition)
break;
/* Ignore autorepeats on modifiers */
if (msg->message == WM_KEYDOWN &&
(msg->wParam == VK_MENU ||
msg->wParam == VK_CONTROL ||
msg->wParam == VK_SHIFT) &&
((HIWORD(msg->lParam) & KF_REPEAT) >= 1))
break;
/* Ignore autorepeats on modifiers */
if (msg->message == WM_KEYDOWN &&
(msg->wParam == VK_MENU ||
msg->wParam == VK_CONTROL ||
msg->wParam == VK_SHIFT) &&
((HIWORD(msg->lParam) & KF_REPEAT) >= 1))
break;
if (GDK_SURFACE_DESTROYED (window))
break;
if (GDK_SURFACE_DESTROYED (window))
break;
impl = GDK_WIN32_SURFACE (window);
win32_keymap = GDK_WIN32_KEYMAP (_gdk_win32_display_get_keymap (display));
impl = GDK_WIN32_SURFACE (window);
API_CALL (GetKeyboardState, (key_state));
API_CALL (GetKeyboardState, (key_state));
ccount = 0;
ccount = 0;
if (msg->wParam == VK_PACKET)
{
ccount = ToUnicode (VK_PACKET, HIWORD (msg->lParam), key_state, wbuf, 1, 0);
if (ccount == 1)
{
if (wbuf[0] >= 0xD800 && wbuf[0] < 0xDC00)
{
if (msg->message == WM_KEYDOWN)
impl->leading_surrogate_keydown = wbuf[0];
else
impl->leading_surrogate_keyup = wbuf[0];
if (msg->wParam == VK_PACKET)
{
ccount = ToUnicode (VK_PACKET, HIWORD (msg->lParam), key_state, wbuf, 1, 0);
if (ccount == 1)
{
if (wbuf[0] >= 0xD800 && wbuf[0] < 0xDC00)
{
if (msg->message == WM_KEYDOWN)
impl->leading_surrogate_keydown = wbuf[0];
else
impl->leading_surrogate_keyup = wbuf[0];
/* don't emit an event */
return_val = TRUE;
break;
}
else
{
/* wait until an event is created */;
}
}
}
/* don't emit an event */
return_val = TRUE;
break;
}
else
{
/* wait until an event is created */;
}
}
}
keyval = GDK_KEY_VoidSymbol;
keycode = msg->wParam;
keyval = GDK_KEY_VoidSymbol;
keycode = msg->wParam;
if (HIWORD (msg->lParam) & KF_EXTENDED)
{
switch (msg->wParam)
{
case VK_CONTROL:
keycode = VK_RCONTROL;
break;
case VK_SHIFT: /* Actually, KF_EXTENDED is not set
* for the right shift key.
*/
keycode = VK_RSHIFT;
break;
case VK_MENU:
keycode = VK_RMENU;
break;
}
}
else if (msg->wParam == VK_SHIFT &&
LOBYTE (HIWORD (msg->lParam)) == _gdk_win32_keymap_get_rshift_scancode (GDK_WIN32_KEYMAP (_gdk_win32_display_get_keymap (_gdk_display))))
keycode = VK_RSHIFT;
if (HIWORD (msg->lParam) & KF_EXTENDED)
{
switch (msg->wParam)
{
case VK_CONTROL:
keycode = VK_RCONTROL;
break;
case VK_SHIFT: /* Actually, KF_EXTENDED is not set
* for the right shift key.
*/
keycode = VK_RSHIFT;
break;
case VK_MENU:
keycode = VK_RMENU;
break;
}
}
else if (msg->wParam == VK_SHIFT &&
LOBYTE (HIWORD (msg->lParam)) == _gdk_win32_keymap_get_rshift_scancode (win32_keymap))
keycode = VK_RSHIFT;
is_modifier = (msg->wParam == VK_CONTROL ||
msg->wParam == VK_SHIFT ||
msg->wParam == VK_MENU);
/* g_print ("ctrl:%02x lctrl:%02x rctrl:%02x alt:%02x lalt:%02x ralt:%02x\n", key_state[VK_CONTROL], key_state[VK_LCONTROL], key_state[VK_RCONTROL], key_state[VK_MENU], key_state[VK_LMENU], key_state[VK_RMENU]); */
is_modifier = (msg->wParam == VK_CONTROL ||
msg->wParam == VK_SHIFT ||
msg->wParam == VK_MENU);
state = build_key_event_state (key_state);
group = get_active_group ();
state = build_key_event_state (key_state);
group = get_active_group ();
if (msg->wParam == VK_PACKET && ccount == 1)
{
if (wbuf[0] >= 0xD800 && wbuf[0] < 0xDC00)
{
g_assert_not_reached ();
}
else if (wbuf[0] >= 0xDC00 && wbuf[0] < 0xE000)
{
wchar_t leading;
if (msg->wParam == VK_PACKET && ccount == 1)
{
if (wbuf[0] >= 0xD800 && wbuf[0] < 0xDC00)
{
g_assert_not_reached ();
}
else if (wbuf[0] >= 0xDC00 && wbuf[0] < 0xE000)
{
wchar_t leading;
if (msg->message == WM_KEYDOWN)
leading = impl->leading_surrogate_keydown;
else
leading = impl->leading_surrogate_keyup;
if (msg->message == WM_KEYDOWN)
leading = impl->leading_surrogate_keydown;
else
leading = impl->leading_surrogate_keyup;
keyval = gdk_unicode_to_keyval ((leading - 0xD800) * 0x400 + wbuf[0] - 0xDC00 + 0x10000);
}
else
{
keyval = gdk_unicode_to_keyval (wbuf[0]);
}
keyval = gdk_unicode_to_keyval ((leading - 0xD800) * 0x400 + wbuf[0] - 0xDC00 + 0x10000);
}
else
{
keyval = gdk_unicode_to_keyval (wbuf[0]);
}
/* TODO: What values to use for level and consumed_modifiers? */
level = 0;
consumed_modifiers = 0;
}
else
{
gdk_keymap_translate_keyboard_state (_gdk_win32_display_get_keymap (display),
keycode,
state,
group,
&keyval,
NULL, &level, &consumed_modifiers);
}
/* TODO: What values to use for level and consumed_modifiers? */
level = 0;
consumed_modifiers = 0;
}
else
{
gdk_keymap_translate_keyboard_state ((GdkKeymap*)win32_keymap,
keycode,
state,
group,
&keyval,
NULL, &level, &consumed_modifiers);
}
if (msg->message == WM_KEYDOWN)
impl->leading_surrogate_keydown = 0;
else
impl->leading_surrogate_keyup = 0;
if (msg->message == WM_KEYDOWN)
impl->leading_surrogate_keydown = 0;
else
impl->leading_surrogate_keyup = 0;
/* Only one release key event is fired when both shift keys are pressed together
and then released. In order to send the missing event, press events for shift
keys are recorded and sent together when the release event occurs.
Other modifiers (e.g. ctrl, alt) don't have this problem. */
if (msg->message == WM_KEYDOWN && msg->wParam == VK_SHIFT)
{
int pressed_shift = msg->lParam & 0xffffff; /* mask shift modifier */
if (both_shift_pressed[0] == 0)
both_shift_pressed[0] = pressed_shift;
else if (both_shift_pressed[0] != pressed_shift)
both_shift_pressed[1] = pressed_shift;
}
/* Only one release key event is fired when both shift keys are pressed together
and then released. In order to send the missing event, press events for shift
keys are recorded and sent together when the release event occurs.
Other modifiers (e.g. ctrl, alt) don't have this problem. */
if (msg->message == WM_KEYDOWN && msg->wParam == VK_SHIFT)
{
int pressed_shift = msg->lParam & 0xffffff; /* mask shift modifier */
if (both_shift_pressed[0] == 0)
both_shift_pressed[0] = pressed_shift;
else if (both_shift_pressed[0] != pressed_shift)
both_shift_pressed[1] = pressed_shift;
}
if (msg->message == WM_KEYUP && msg->wParam == VK_SHIFT)
{
if (both_shift_pressed[0] != 0 && both_shift_pressed[1] != 0)
{
int tmp_retval;
MSG fake_release = *msg;
int pressed_shift = msg->lParam & 0xffffff;
if (msg->message == WM_KEYUP && msg->wParam == VK_SHIFT)
{
if (both_shift_pressed[0] != 0 && both_shift_pressed[1] != 0)
{
int tmp_retval;
MSG fake_release = *msg;
int pressed_shift = msg->lParam & 0xffffff;
if (both_shift_pressed[0] == pressed_shift)
fake_release.lParam = both_shift_pressed[1];
else
fake_release.lParam = both_shift_pressed[0];
if (both_shift_pressed[0] == pressed_shift)
fake_release.lParam = both_shift_pressed[1];
else
fake_release.lParam = both_shift_pressed[0];
both_shift_pressed[0] = both_shift_pressed[1] = 0;
gdk_event_translate (&fake_release, &tmp_retval);
}
both_shift_pressed[0] = both_shift_pressed[1] = 0;
}
both_shift_pressed[0] = both_shift_pressed[1] = 0;
gdk_event_translate (&fake_release, &tmp_retval);
}
both_shift_pressed[0] = both_shift_pressed[1] = 0;
}
/* Reset ALT_MASK if it is the Alt key itself */
if (msg->wParam == VK_MENU)
state &= ~GDK_ALT_MASK;
/* Reset ALT_MASK if it is the Alt key itself */
if (msg->wParam == VK_MENU)
state &= ~GDK_ALT_MASK;
translated.keyval = keyval;
translated.consumed = consumed_modifiers;
translated.layout = group;
translated.level = level;
translated.keyval = keyval;
translated.consumed = consumed_modifiers;
translated.layout = group;
translated.level = level;
event = gdk_key_event_new ((msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
? GDK_KEY_PRESS
: GDK_KEY_RELEASE,
window,
device_manager_win32->core_keyboard,
_gdk_win32_get_next_tick (msg->time),
keycode,
state,
is_modifier,
&translated,
&translated);
event = gdk_key_event_new ((msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
? GDK_KEY_PRESS
: GDK_KEY_RELEASE,
window,
device_manager_win32->core_keyboard,
_gdk_win32_get_next_tick (msg->time),
keycode,
state,
is_modifier,
&translated,
&translated);
_gdk_win32_append_event (event);
_gdk_win32_append_event (event);
return_val = TRUE;
return_val = TRUE;
}
break;
case WM_SYSCHAR:
@@ -2100,73 +2108,82 @@ gdk_event_translate (MSG *msg,
break;
case WM_IME_COMPOSITION:
/* On Win2k WM_IME_CHAR doesn't work correctly for non-Unicode
* applications. Thus, handle WM_IME_COMPOSITION with
* GCS_RESULTSTR instead, fetch the Unicode chars from the IME
* with ImmGetCompositionStringW().
*
* See for instance
* http://groups.google.com/groups?selm=natX5.57%24g77.19788%40nntp2.onemain.com
* and
* http://groups.google.com/groups?selm=u2XfrXw5BHA.1628%40tkmsftngp02
* for comments by other people that seems to have the same
* experience. WM_IME_CHAR just gives question marks, apparently
* because of going through some conversion to the current code
* page.
*
* WM_IME_CHAR might work on NT4 or Win9x with ActiveIMM, but
* use WM_IME_COMPOSITION there, too, to simplify the code.
*/
GDK_NOTE (EVENTS, g_print (" %#lx", (long) msg->lParam));
{
BYTE key_state[256];
wchar_t wbuf[100];
int ccount = 0;
if (!(msg->lParam & GCS_RESULTSTR))
break;
/* On Win2k WM_IME_CHAR doesn't work correctly for non-Unicode
* applications. Thus, handle WM_IME_COMPOSITION with
* GCS_RESULTSTR instead, fetch the Unicode chars from the IME
* with ImmGetCompositionStringW().
*
* See for instance
* http://groups.google.com/groups?selm=natX5.57%24g77.19788%40nntp2.onemain.com
* and
* http://groups.google.com/groups?selm=u2XfrXw5BHA.1628%40tkmsftngp02
* for comments by other people that seems to have the same
* experience. WM_IME_CHAR just gives question marks, apparently
* because of going through some conversion to the current code
* page.
*
* WM_IME_CHAR might work on NT4 or Win9x with ActiveIMM, but
* use WM_IME_COMPOSITION there, too, to simplify the code.
*/
GDK_NOTE (EVENTS, g_print (" %#lx", (long) msg->lParam));
if (GDK_SURFACE_DESTROYED (window))
break;
if (!(msg->lParam & GCS_RESULTSTR))
break;
himc = ImmGetContext (msg->hwnd);
ccount = ImmGetCompositionStringW (himc, GCS_RESULTSTR,
wbuf, sizeof (wbuf));
ImmReleaseContext (msg->hwnd, himc);
if (GDK_SURFACE_DESTROYED (window))
break;
ccount /= 2;
himc = ImmGetContext (msg->hwnd);
ccount = ImmGetCompositionStringW (himc, GCS_RESULTSTR,
wbuf, sizeof (wbuf));
ImmReleaseContext (msg->hwnd, himc);
API_CALL (GetKeyboardState, (key_state));
ccount /= 2;
for (i = 0; i < ccount; i++)
{
/* Build a key press event */
translated.keyval = gdk_unicode_to_keyval (wbuf[i]);
translated.consumed = 0;
translated.layout = get_active_group ();
translated.level = 0;
event = gdk_key_event_new (GDK_KEY_PRESS,
window,
device_manager_win32->core_keyboard,
_gdk_win32_get_next_tick (msg->time),
0,
build_key_event_state (key_state),
FALSE,
&translated,
&translated);
API_CALL (GetKeyboardState, (key_state));
_gdk_win32_append_event (event);
for (i = 0; i < ccount; i++)
{
GdkTranslatedKey translated;
/* Build a key release event. */
event = gdk_key_event_new (GDK_KEY_RELEASE,
window,
device_manager_win32->core_keyboard,
_gdk_win32_get_next_tick (msg->time),
0,
build_key_event_state (key_state),
FALSE,
&translated,
&translated);
/* Build a key press event */
translated.keyval = gdk_unicode_to_keyval (wbuf[i]);
translated.consumed = 0;
translated.layout = get_active_group ();
translated.level = 0;
event = gdk_key_event_new (GDK_KEY_PRESS,
window,
device_manager_win32->core_keyboard,
_gdk_win32_get_next_tick (msg->time),
0,
build_key_event_state (key_state),
FALSE,
&translated,
&translated);
_gdk_win32_append_event (event);
}
return_val = TRUE;
_gdk_win32_append_event (event);
/* Build a key release event. */
event = gdk_key_event_new (GDK_KEY_RELEASE,
window,
device_manager_win32->core_keyboard,
_gdk_win32_get_next_tick (msg->time),
0,
build_key_event_state (key_state),
FALSE,
&translated,
&translated);
_gdk_win32_append_event (event);
}
return_val = TRUE;
}
break;
case WM_LBUTTONDOWN:
@@ -2963,17 +2980,22 @@ gdk_event_translate (MSG *msg,
break;
case WM_WINDOWPOSCHANGING:
GDK_NOTE (EVENTS, (windowpos = (WINDOWPOS *) msg->lParam,
g_print (" %s %s %dx%d@%+d%+d now below %p",
_gdk_win32_surface_pos_bits_to_string (windowpos->flags),
(windowpos->hwndInsertAfter == HWND_BOTTOM ? "BOTTOM" :
(windowpos->hwndInsertAfter == HWND_NOTOPMOST ? "NOTOPMOST" :
(windowpos->hwndInsertAfter == HWND_TOP ? "TOP" :
(windowpos->hwndInsertAfter == HWND_TOPMOST ? "TOPMOST" :
(sprintf (buf, "%p", windowpos->hwndInsertAfter),
buf))))),
windowpos->cx, windowpos->cy, windowpos->x, windowpos->y,
GetNextWindow (msg->hwnd, GW_HWNDPREV))));
#ifdef G_ENABLE_DEBUG
{
char buf[256];
GDK_NOTE (EVENTS, (windowpos = (WINDOWPOS *) msg->lParam,
g_print (" %s %s %dx%d@%+d%+d now below %p",
_gdk_win32_surface_pos_bits_to_string (windowpos->flags),
(windowpos->hwndInsertAfter == HWND_BOTTOM ? "BOTTOM" :
(windowpos->hwndInsertAfter == HWND_NOTOPMOST ? "NOTOPMOST" :
(windowpos->hwndInsertAfter == HWND_TOP ? "TOP" :
(windowpos->hwndInsertAfter == HWND_TOPMOST ? "TOPMOST" :
(sprintf (buf, "%p", windowpos->hwndInsertAfter),
buf))))),
windowpos->cx, windowpos->cy, windowpos->x, windowpos->y,
GetNextWindow (msg->hwnd, GW_HWNDPREV))));
}
#endif
if (GDK_SURFACE_IS_MAPPED (window))
{
@@ -2999,15 +3021,21 @@ gdk_event_translate (MSG *msg,
case WM_WINDOWPOSCHANGED:
windowpos = (WINDOWPOS *) msg->lParam;
GDK_NOTE (EVENTS, g_print (" %s %s %dx%d@%+d%+d",
_gdk_win32_surface_pos_bits_to_string (windowpos->flags),
(windowpos->hwndInsertAfter == HWND_BOTTOM ? "BOTTOM" :
(windowpos->hwndInsertAfter == HWND_NOTOPMOST ? "NOTOPMOST" :
(windowpos->hwndInsertAfter == HWND_TOP ? "TOP" :
(windowpos->hwndInsertAfter == HWND_TOPMOST ? "TOPMOST" :
(sprintf (buf, "%p", windowpos->hwndInsertAfter),
buf))))),
windowpos->cx, windowpos->cy, windowpos->x, windowpos->y));
#ifdef G_ENABLE_DEBUG
{
char buf[256];
GDK_NOTE (EVENTS, g_print (" %s %s %dx%d@%+d%+d",
_gdk_win32_surface_pos_bits_to_string (windowpos->flags),
(windowpos->hwndInsertAfter == HWND_BOTTOM ? "BOTTOM" :
(windowpos->hwndInsertAfter == HWND_NOTOPMOST ? "NOTOPMOST" :
(windowpos->hwndInsertAfter == HWND_TOP ? "TOP" :
(windowpos->hwndInsertAfter == HWND_TOPMOST ? "TOPMOST" :
(sprintf (buf, "%p", windowpos->hwndInsertAfter),
buf))))),
windowpos->cx, windowpos->cy, windowpos->x, windowpos->y));
}
#endif
/* Break grabs on unmap or minimize */
if (windowpos->flags & SWP_HIDEWINDOW ||