mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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Merge branch 'mr1063-for-master' into 'master'
Forward port MR !1063 (Win32 IME fixes) to GTK master See merge request GNOME/gtk!2777
This commit is contained in:
Matthias Clasen
commit
79fb5724f9
@ -50,34 +50,39 @@
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# include <pango/pangowin32.h>
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#endif /* STRICT */
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/* #define BUFSIZE 4096 */
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/* Determines what happens when focus is lost while preedit is in process. */
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typedef enum {
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/* Preedit is committed. */
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GTK_WIN32_IME_FOCUS_BEHAVIOR_COMMIT,
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/* Preedit is discarded. */
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GTK_WIN32_IME_FOCUS_BEHAVIOR_DISCARD,
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/* Preedit follows the cursor (that means it will appear in the widget
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* that receives the focus) */
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GTK_WIN32_IME_FOCUS_BEHAVIOR_FOLLOW,
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} GtkWin32IMEFocusBehavior;
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#define IS_DEAD_KEY(k) \
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((k) >= GDK_KEY_dead_grave && (k) <= (GDK_KEY_dead_dasia+1))
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#define FREE_PREEDIT_BUFFER(ctx) \
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{ \
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g_free((ctx)->priv->comp_str); \
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g_free((ctx)->priv->read_str); \
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(ctx)->priv->comp_str = NULL; \
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(ctx)->priv->read_str = NULL; \
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(ctx)->priv->comp_str_len = 0; \
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(ctx)->priv->read_str_len = 0; \
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}
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struct _GtkIMContextIMEPrivate
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{
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/* save IME context when the client window is focused out */
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DWORD conversion_mode;
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DWORD sentence_mode;
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LPVOID comp_str;
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DWORD comp_str_len;
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LPVOID read_str;
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DWORD read_str_len;
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/* When pretend_empty_preedit is set to TRUE,
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* gtk_im_context_ime_get_preedit_string() will return an empty string
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* instead of the actual content of ImmGetCompositionStringW().
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*
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* This is necessary because GtkEntry expects the preedit buffer to be
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* cleared before commit() is called, otherwise it leads to an assertion
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* failure in Pango. However, since we emit the commit() signal while
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* handling the WM_IME_COMPOSITION message, the IME buffer will be non-empty,
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* so we temporarily set this flag while emmiting the appropriate signals.
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*
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* See also:
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* https://bugzilla.gnome.org/show_bug.cgi?id=787142
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* https://gitlab.gnome.org/GNOME/gtk/commit/c255ba68fc2c918dd84da48a472e7973d3c00b03
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*/
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gboolean pretend_empty_preedit;
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guint32 dead_key_keyval;
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GtkWin32IMEFocusBehavior focus_behavior;
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};
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@ -166,12 +171,7 @@ gtk_im_context_ime_init (GtkIMContextIME *context_ime)
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context_ime->commit_string = NULL;
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context_ime->priv = g_malloc0 (sizeof (GtkIMContextIMEPrivate));
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context_ime->priv->conversion_mode = 0;
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context_ime->priv->sentence_mode = 0;
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context_ime->priv->comp_str = NULL;
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context_ime->priv->comp_str_len = 0;
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context_ime->priv->read_str = NULL;
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context_ime->priv->read_str_len = 0;
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context_ime->priv->focus_behavior = GTK_WIN32_IME_FOCUS_BEHAVIOR_COMMIT;
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}
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@ -184,8 +184,6 @@ gtk_im_context_ime_dispose (GObject *obj)
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if (context_ime->client_surface)
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gtk_im_context_ime_set_client_widget (context, NULL);
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FREE_PREEDIT_BUFFER (context_ime);
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G_OBJECT_CLASS (gtk_im_context_ime_parent_class)->dispose (obj);
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}
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@ -193,7 +191,6 @@ gtk_im_context_ime_dispose (GObject *obj)
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static void
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gtk_im_context_ime_finalize (GObject *obj)
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{
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/* GtkIMContext *context = GTK_IM_CONTEXT (obj); */
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GtkIMContextIME *context_ime = GTK_IM_CONTEXT_IME (obj);
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g_free (context_ime->priv);
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@ -251,30 +248,27 @@ gtk_im_context_ime_set_client_widget (GtkIMContext *context,
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GtkWidget *widget)
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{
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GtkIMContextIME *context_ime;
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GdkSurface *client_surface;
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GdkSurface *client_surface = NULL;
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g_return_if_fail (GTK_IS_IM_CONTEXT_IME (context));
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context_ime = GTK_IM_CONTEXT_IME (context);
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client_surface = NULL;
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if (widget)
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client_surface = gtk_native_get_surface (gtk_widget_get_native (widget));
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if (client_surface)
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if (client_surface != NULL)
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{
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HIMC himc;
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HWND hwnd;
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hwnd = gdk_win32_surface_get_impl_hwnd (client_surface);
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himc = ImmGetContext (hwnd);
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HWND hwnd = gdk_win32_surface_get_impl_hwnd (client_surface);
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HIMC himc = ImmGetContext (hwnd);
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if (himc)
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{
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context_ime->opened = ImmGetOpenStatus (himc);
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ImmGetConversionStatus (himc,
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&context_ime->priv->conversion_mode,
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&context_ime->priv->sentence_mode);
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ImmReleaseContext (hwnd, himc);
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}
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{
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context_ime->opened = ImmGetOpenStatus (himc);
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ImmReleaseContext (hwnd, himc);
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}
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else
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{
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context_ime->opened = FALSE;
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}
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}
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else if (context_ime->focus)
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{
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@ -427,11 +421,10 @@ gtk_im_context_ime_reset (GtkIMContext *context)
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if (!himc)
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return;
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ImmNotifyIME (himc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
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if (context_ime->preediting)
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{
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if (ImmGetOpenStatus (himc))
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ImmNotifyIME (himc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
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context_ime->preediting = FALSE;
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g_signal_emit_by_name (context, "preedit-changed");
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}
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@ -441,12 +434,17 @@ gtk_im_context_ime_reset (GtkIMContext *context)
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static char *
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get_utf8_preedit_string (GtkIMContextIME *context_ime, int *pos_ret)
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get_utf8_preedit_string (GtkIMContextIME *context_ime,
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int kind,
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int *pos_ret)
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{
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gunichar2 *utf16str = NULL;
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glong size;
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char *utf8str = NULL;
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HWND hwnd;
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HIMC himc;
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int pos = 0;
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GError *error = NULL;
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if (pos_ret)
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*pos_ret = 0;
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@ -458,58 +456,31 @@ get_utf8_preedit_string (GtkIMContextIME *context_ime, int *pos_ret)
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if (!himc)
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return g_strdup ("");
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if (context_ime->preediting)
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size = ImmGetCompositionStringW (himc, kind, NULL, 0);
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if (size > 0)
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{
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glong len;
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utf16str = g_malloc (size);
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len = ImmGetCompositionStringW (himc, GCS_COMPSTR, NULL, 0);
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if (len > 0)
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ImmGetCompositionStringW (himc, kind, utf16str, size);
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utf8str = g_utf16_to_utf8 (utf16str, size / sizeof (gunichar2),
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NULL, NULL, &error);
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if (error)
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{
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GError *error = NULL;
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gpointer buf = g_alloca (len);
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g_warning ("%s", error->message);
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g_error_free (error);
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ImmGetCompositionStringW (himc, GCS_COMPSTR, buf, len);
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len /= 2;
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utf8str = g_utf16_to_utf8 (buf, len, NULL, NULL, &error);
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if (error)
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{
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g_warning ("%s", error->message);
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g_error_free (error);
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}
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if (pos_ret)
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{
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pos = ImmGetCompositionStringW (himc, GCS_CURSORPOS, NULL, 0);
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if (pos < 0 || len < pos)
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{
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g_warning ("ImmGetCompositionString: "
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"Invalid cursor position!");
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pos = 0;
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}
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}
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}
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}
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if (context_ime->commit_string)
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if (pos_ret)
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{
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if (utf8str)
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pos = ImmGetCompositionStringW (himc, GCS_CURSORPOS, NULL, 0);
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if (pos < 0 || size < pos)
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{
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char *utf8str_new = g_strdup (utf8str);
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/* Note: We *don't* want to update context_ime->commit_string here!
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* Otherwise it will be updated repeatedly, not what we want!
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*/
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g_free (utf8str);
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utf8str = g_strconcat (context_ime->commit_string,
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utf8str_new,
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NULL);
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g_free (utf8str_new);
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pos += g_utf8_strlen (context_ime->commit_string, -1);
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}
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else
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{
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utf8str = g_strdup (context_ime->commit_string);
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pos = g_utf8_strlen (context_ime->commit_string, -1);
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g_warning ("ImmGetCompositionString: "
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"Invalid cursor position!");
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pos = 0;
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}
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}
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@ -523,6 +494,7 @@ get_utf8_preedit_string (GtkIMContextIME *context_ime, int *pos_ret)
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*pos_ret = pos;
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ImmReleaseContext (hwnd, himc);
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g_free (utf16str);
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return utf8str;
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}
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@ -534,6 +506,7 @@ get_pango_attr_list (GtkIMContextIME *context_ime, const char *utf8str)
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PangoAttrList *attrs = pango_attr_list_new ();
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HWND hwnd;
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HIMC himc;
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guint8 *buf = NULL;
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if (!context_ime->client_surface)
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return attrs;
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@ -545,7 +518,6 @@ get_pango_attr_list (GtkIMContextIME *context_ime, const char *utf8str)
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if (context_ime->preediting)
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{
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const char *schr = utf8str, *echr;
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guint8 *buf;
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guint16 f_red, f_green, f_blue, b_red, b_green, b_blue;
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glong len, spos = 0, epos, sidx = 0, eidx;
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PangoAttribute *attr;
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@ -554,7 +526,7 @@ get_pango_attr_list (GtkIMContextIME *context_ime, const char *utf8str)
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* get attributes list of IME.
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*/
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len = ImmGetCompositionStringW (himc, GCS_COMPATTR, NULL, 0);
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buf = g_alloca (len);
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buf = g_malloc (len);
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ImmGetCompositionStringW (himc, GCS_COMPATTR, buf, len);
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/*
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@ -623,6 +595,7 @@ get_pango_attr_list (GtkIMContextIME *context_ime, const char *utf8str)
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}
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ImmReleaseContext (hwnd, himc);
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g_free (buf);
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return attrs;
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}
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@ -640,20 +613,18 @@ gtk_im_context_ime_get_preedit_string (GtkIMContext *context,
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context_ime = GTK_IM_CONTEXT_IME (context);
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utf8str = get_utf8_preedit_string (context_ime, &pos);
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if (!context_ime->focus || context_ime->priv->pretend_empty_preedit)
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utf8str = g_strdup ("");
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else
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utf8str = get_utf8_preedit_string (context_ime, GCS_COMPSTR, &pos);
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if (attrs)
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*attrs = get_pango_attr_list (context_ime, utf8str);
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if (str)
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{
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*str = utf8str;
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}
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*str = utf8str;
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else
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{
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g_free (utf8str);
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utf8str = NULL;
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}
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utf8str = NULL;
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if (cursor_pos)
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*cursor_pos = pos;
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@ -674,41 +645,45 @@ gtk_im_context_ime_focus_in (GtkIMContext *context)
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/* switch current context */
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context_ime->focus = TRUE;
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hwnd = gdk_win32_surface_get_impl_hwnd (context_ime->client_surface);
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himc = ImmGetContext (hwnd);
|
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if (!himc)
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return;
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|
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toplevel = context_ime->client_surface;
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if (GDK_IS_SURFACE (toplevel))
|
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{
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gdk_win32_display_add_filter (GDK_WIN32_DISPLAY (gdk_surface_get_display (toplevel)),
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gtk_im_context_ime_message_filter, context_ime);
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}
|
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else
|
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if (!GDK_IS_SURFACE (toplevel))
|
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{
|
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g_warning ("gtk_im_context_ime_focus_in(): "
|
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"cannot find toplevel window.");
|
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return;
|
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}
|
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|
||||
/* restore preedit context */
|
||||
ImmSetConversionStatus (himc,
|
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context_ime->priv->conversion_mode,
|
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context_ime->priv->sentence_mode);
|
||||
hwnd = gdk_win32_surface_get_impl_hwnd (toplevel);
|
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himc = ImmGetContext (hwnd);
|
||||
if (!himc)
|
||||
return;
|
||||
|
||||
if (context_ime->opened)
|
||||
gdk_win32_display_add_filter (GDK_WIN32_DISPLAY (gdk_surface_get_display (toplevel)),
|
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gtk_im_context_ime_message_filter, context_ime);
|
||||
|
||||
/* restore preedit context */
|
||||
context_ime->opened = ImmGetOpenStatus (himc);
|
||||
|
||||
switch (context_ime->priv->focus_behavior)
|
||||
{
|
||||
if (!ImmGetOpenStatus (himc))
|
||||
ImmSetOpenStatus (himc, TRUE);
|
||||
if (context_ime->preediting)
|
||||
case GTK_WIN32_IME_FOCUS_BEHAVIOR_COMMIT:
|
||||
case GTK_WIN32_IME_FOCUS_BEHAVIOR_DISCARD:
|
||||
gtk_im_context_ime_reset (context);
|
||||
break;
|
||||
|
||||
case GTK_WIN32_IME_FOCUS_BEHAVIOR_FOLLOW:
|
||||
{
|
||||
ImmSetCompositionStringW (himc,
|
||||
SCS_SETSTR,
|
||||
context_ime->priv->comp_str,
|
||||
context_ime->priv->comp_str_len, NULL, 0);
|
||||
FREE_PREEDIT_BUFFER (context_ime);
|
||||
gchar *utf8str = get_utf8_preedit_string (context_ime, GCS_COMPSTR, NULL);
|
||||
if (utf8str != NULL && strlen(utf8str) > 0)
|
||||
{
|
||||
context_ime->preediting = TRUE;
|
||||
gtk_im_context_ime_set_cursor_location (context, NULL);
|
||||
g_signal_emit_by_name (context, "preedit-start");
|
||||
g_signal_emit_by_name (context, "preedit-changed");
|
||||
}
|
||||
g_free (utf8str);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* clean */
|
||||
@ -720,78 +695,66 @@ static void
|
||||
gtk_im_context_ime_focus_out (GtkIMContext *context)
|
||||
{
|
||||
GtkIMContextIME *context_ime = GTK_IM_CONTEXT_IME (context);
|
||||
GdkSurface *toplevel;
|
||||
HWND hwnd;
|
||||
HIMC himc;
|
||||
gboolean was_preediting;
|
||||
|
||||
if (!GDK_IS_SURFACE (context_ime->client_surface))
|
||||
return;
|
||||
|
||||
/* switch current context */
|
||||
was_preediting = context_ime->preediting;
|
||||
context_ime->opened = FALSE;
|
||||
context_ime->preediting = FALSE;
|
||||
context_ime->focus = FALSE;
|
||||
|
||||
hwnd = gdk_win32_surface_get_impl_hwnd (context_ime->client_surface);
|
||||
himc = ImmGetContext (hwnd);
|
||||
if (!himc)
|
||||
return;
|
||||
|
||||
/* save preedit context */
|
||||
ImmGetConversionStatus (himc,
|
||||
&context_ime->priv->conversion_mode,
|
||||
&context_ime->priv->sentence_mode);
|
||||
|
||||
if (ImmGetOpenStatus (himc))
|
||||
switch (context_ime->priv->focus_behavior)
|
||||
{
|
||||
gboolean preediting = context_ime->preediting;
|
||||
case GTK_WIN32_IME_FOCUS_BEHAVIOR_COMMIT:
|
||||
if (was_preediting)
|
||||
{
|
||||
gchar *utf8str = get_utf8_preedit_string (context_ime, GCS_COMPSTR, NULL);
|
||||
|
||||
if (preediting)
|
||||
{
|
||||
FREE_PREEDIT_BUFFER (context_ime);
|
||||
context_ime->priv->pretend_empty_preedit = TRUE;
|
||||
g_signal_emit_by_name (context, "preedit-changed");
|
||||
g_signal_emit_by_name (context, "preedit-end");
|
||||
g_signal_emit_by_name (context, "commit", utf8str);
|
||||
g_signal_emit_by_name (context, "preedit-start");
|
||||
g_signal_emit_by_name (context, "preedit-changed");
|
||||
context_ime->priv->pretend_empty_preedit = FALSE;
|
||||
g_free (utf8str);
|
||||
}
|
||||
/* fallthrough */
|
||||
case GTK_WIN32_IME_FOCUS_BEHAVIOR_DISCARD:
|
||||
gtk_im_context_ime_reset (context);
|
||||
|
||||
context_ime->priv->comp_str_len
|
||||
= ImmGetCompositionStringW (himc, GCS_COMPSTR, NULL, 0);
|
||||
context_ime->priv->comp_str
|
||||
= g_malloc (context_ime->priv->comp_str_len);
|
||||
ImmGetCompositionStringW (himc, GCS_COMPSTR,
|
||||
context_ime->priv->comp_str,
|
||||
context_ime->priv->comp_str_len);
|
||||
/* Callbacks triggered by im_context_ime_reset() could set the focus back to our
|
||||
context. In that case, we want to exit here. */
|
||||
|
||||
context_ime->priv->read_str_len
|
||||
= ImmGetCompositionStringW (himc, GCS_COMPREADSTR, NULL, 0);
|
||||
context_ime->priv->read_str
|
||||
= g_malloc (context_ime->priv->read_str_len);
|
||||
ImmGetCompositionStringW (himc, GCS_COMPREADSTR,
|
||||
context_ime->priv->read_str,
|
||||
context_ime->priv->read_str_len);
|
||||
}
|
||||
if (context_ime->focus)
|
||||
return;
|
||||
|
||||
ImmSetOpenStatus (himc, FALSE);
|
||||
break;
|
||||
|
||||
context_ime->opened = TRUE;
|
||||
context_ime->preediting = preediting;
|
||||
}
|
||||
else
|
||||
{
|
||||
context_ime->opened = FALSE;
|
||||
context_ime->preediting = FALSE;
|
||||
case GTK_WIN32_IME_FOCUS_BEHAVIOR_FOLLOW:
|
||||
break;
|
||||
}
|
||||
|
||||
/* remove event filter */
|
||||
toplevel = context_ime->client_surface;
|
||||
if (GDK_IS_SURFACE (toplevel))
|
||||
if (GDK_IS_SURFACE (context_ime->client_surface))
|
||||
{
|
||||
gdk_win32_display_remove_filter (GDK_WIN32_DISPLAY (gdk_surface_get_display (toplevel)),
|
||||
gdk_win32_display_remove_filter (GDK_WIN32_DISPLAY (gdk_surface_get_display (context_ime->client_surface)),
|
||||
gtk_im_context_ime_message_filter,
|
||||
context_ime);
|
||||
}
|
||||
else
|
||||
|
||||
if (was_preediting)
|
||||
{
|
||||
g_warning ("gtk_im_context_ime_focus_out(): "
|
||||
"cannot find toplevel window.");
|
||||
g_signal_emit_by_name (context, "preedit-changed");
|
||||
g_signal_emit_by_name (context, "preedit-end");
|
||||
}
|
||||
|
||||
/* clean */
|
||||
ImmReleaseContext (hwnd, himc);
|
||||
}
|
||||
|
||||
|
||||
@ -1012,16 +975,16 @@ gtk_im_context_ime_message_filter (GdkWin32Display *display,
|
||||
get_window_position (context_ime->client_surface, &wx, &wy);
|
||||
/* FIXME! */
|
||||
{
|
||||
HWND hwnd_top;
|
||||
HWND hwnd;
|
||||
POINT pt;
|
||||
RECT rc;
|
||||
|
||||
hwnd_top =
|
||||
hwnd =
|
||||
gdk_win32_surface_get_impl_hwnd (context_ime->client_surface);
|
||||
GetWindowRect (hwnd_top, &rc);
|
||||
GetWindowRect (hwnd, &rc);
|
||||
pt.x = wx;
|
||||
pt.y = wy;
|
||||
ClientToScreen (hwnd_top, &pt);
|
||||
ClientToScreen (hwnd, &pt);
|
||||
wx = pt.x - rc.left;
|
||||
wy = pt.y - rc.top;
|
||||
}
|
||||
@ -1037,38 +1000,32 @@ gtk_im_context_ime_message_filter (GdkWin32Display *display,
|
||||
|
||||
if (msg->lParam & GCS_RESULTSTR)
|
||||
{
|
||||
gsize len;
|
||||
GError *error = NULL;
|
||||
gchar *utf8str = get_utf8_preedit_string (context_ime, GCS_RESULTSTR, NULL);
|
||||
|
||||
len = ImmGetCompositionStringW (himc, GCS_RESULTSTR, NULL, 0);
|
||||
|
||||
if (len > 0)
|
||||
if (utf8str)
|
||||
{
|
||||
gpointer buf = g_alloca (len);
|
||||
ImmGetCompositionStringW (himc, GCS_RESULTSTR, buf, len);
|
||||
len /= 2;
|
||||
context_ime->commit_string = g_utf16_to_utf8 (buf, len, NULL, NULL, &error);
|
||||
if (error)
|
||||
{
|
||||
g_warning ("%s", error->message);
|
||||
g_error_free (error);
|
||||
}
|
||||
context_ime->priv->pretend_empty_preedit = TRUE;
|
||||
g_signal_emit_by_name (context, "preedit-changed");
|
||||
g_signal_emit_by_name (context, "preedit-end");
|
||||
|
||||
if (context_ime->commit_string)
|
||||
{
|
||||
g_signal_emit_by_name (context, "commit", context_ime->commit_string);
|
||||
g_free (context_ime->commit_string);
|
||||
context_ime->commit_string = NULL;
|
||||
retval = GDK_WIN32_MESSAGE_FILTER_REMOVE;
|
||||
}
|
||||
g_signal_emit_by_name (context, "commit", utf8str);
|
||||
|
||||
g_signal_emit_by_name (context, "preedit-start");
|
||||
g_signal_emit_by_name (context, "preedit-changed");
|
||||
context_ime->priv->pretend_empty_preedit = FALSE;
|
||||
|
||||
retval = TRUE;
|
||||
}
|
||||
|
||||
g_free (utf8str);
|
||||
}
|
||||
|
||||
if (context_ime->use_preedit)
|
||||
retval = GDK_WIN32_MESSAGE_FILTER_REMOVE;
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case WM_IME_STARTCOMPOSITION:
|
||||
context_ime->preediting = TRUE;
|
||||
gtk_im_context_ime_set_cursor_location (context, NULL);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user