[gtk+] Share code to fill GdkEventKey.string

[Matthias Clasen <matthiasc src gnome org>]

commit 2c352f51a0e5578d300d34211ef20ead6dd793e7
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 4 20:58:41 2011 -0500

    Share code to fill GdkEventKey.string
    
    This code was duplicated between the core and XI2 device manager
    implementations.

 gdk/x11/gdkdevicemanager-core-x11.c |  126 ++++++++++++++++++-----------------
 gdk/x11/gdkdevicemanager-xi2.c      |   66 +------------------
 gdk/x11/gdkprivate-x11.h            |    2 +
 3 files changed, 69 insertions(+), 125 deletions(-)
---
diff --git a/gdk/x11/gdkdevicemanager-core-x11.c b/gdk/x11/gdkdevicemanager-core-x11.c
index 1533d40..1fcb67d 100644
--- a/gdk/x11/gdkdevicemanager-core-x11.c
+++ b/gdk/x11/gdkdevicemanager-core-x11.c
@@ -145,8 +145,6 @@ translate_key_event (GdkDisplay              *display,
 {
   GdkKeymap *keymap = gdk_keymap_get_for_display (display);
   GdkModifierType consumed, state;
-  gunichar c = 0;
-  gchar buf[7];
 
   event->key.type = xevent->xany.type == KeyPress ? GDK_KEY_PRESS : GDK_KEY_RELEASE;
   event->key.time = xevent->xkey.time;
@@ -171,64 +169,8 @@ translate_key_event (GdkDisplay              *display,
 
   event->key.is_modifier = _gdk_x11_keymap_key_is_modifier (keymap, event->key.hardware_keycode);
 
-  /* Fill in event->string crudely, since various programs
-   * depend on it.
-   */
-  event->key.string = NULL;
-
-  if (event->key.keyval != GDK_KEY_VoidSymbol)
-    c = gdk_keyval_to_unicode (event->key.keyval);
-
-  if (c)
-    {
-      gsize bytes_written;
-      gint len;
-
-      /* Apply the control key - Taken from Xlib
-       */
-      if (event->key.state & GDK_CONTROL_MASK)
-        {
-          if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F;
-          else if (c == '2')
-            {
-              event->key.string = g_memdup ("\0\0", 2);
-              event->key.length = 1;
-              buf[0] = '\0';
-              goto out;
-            }
-          else if (c >= '3' && c <= '7') c -= ('3' - '\033');
-          else if (c == '8') c = '\177';
-          else if (c == '/') c = '_' & 0x1F;
-        }
-
-      len = g_unichar_to_utf8 (c, buf);
-      buf[len] = '\0';
+  _gdk_x11_event_translate_keyboard_string (&event->key);
 
-      event->key.string = g_locale_from_utf8 (buf, len,
-                                              NULL, &bytes_written,
-                                              NULL);
-      if (event->key.string)
-        event->key.length = bytes_written;
-    }
-  else if (event->key.keyval == GDK_KEY_Escape)
-    {
-      event->key.length = 1;
-      event->key.string = g_strdup ("\033");
-    }
-  else if (event->key.keyval == GDK_KEY_Return ||
-          event->key.keyval == GDK_KEY_KP_Enter)
-    {
-      event->key.length = 1;
-      event->key.string = g_strdup ("\r");
-    }
-
-  if (!event->key.string)
-    {
-      event->key.length = 0;
-      event->key.string = g_strdup ("");
-    }
-
- out:
 #ifdef G_ENABLE_DEBUG
   if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
     {
@@ -240,7 +182,7 @@ translate_key_event (GdkDisplay              *display,
 
       if (event->key.length > 0)
         g_message ("\t\tlength: %4d string: \"%s\"",
-                   event->key.length, buf);
+                   event->key.length, event->key.string);
     }
 #endif /* G_ENABLE_DEBUG */
   return;
@@ -906,3 +848,67 @@ gdk_x11_device_manager_core_get_client_pointer (GdkDeviceManager *device_manager
   device_manager_core = (GdkX11DeviceManagerCore *) device_manager;
   return device_manager_core->core_pointer;
 }
+
+void
+_gdk_x11_event_translate_keyboard_string (GdkEventKey *event)
+{
+  gunichar c = 0;
+  gchar buf[7];
+
+  /* Fill in event->string crudely, since various programs
+   * depend on it.
+   */
+  event->string = NULL;
+
+  if (event->keyval != GDK_KEY_VoidSymbol)
+    c = gdk_keyval_to_unicode (event->keyval);
+
+  if (c)
+    {
+      gsize bytes_written;
+      gint len;
+
+      /* Apply the control key - Taken from Xlib
+       */
+      if (event->state & GDK_CONTROL_MASK)
+        {
+          if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F;
+          else if (c == '2')
+            {
+              event->string = g_memdup ("\0\0", 2);
+              event->length = 1;
+              buf[0] = '\0';
+              return;
+            }
+          else if (c >= '3' && c <= '7') c -= ('3' - '\033');
+          else if (c == '8') c = '\177';
+          else if (c == '/') c = '_' & 0x1F;
+        }
+
+      len = g_unichar_to_utf8 (c, buf);
+      buf[len] = '\0';
+
+      event->string = g_locale_from_utf8 (buf, len,
+                                          NULL, &bytes_written,
+                                          NULL);
+      if (event->string)
+        event->length = bytes_written;
+    }
+  else if (event->keyval == GDK_KEY_Escape)
+    {
+      event->length = 1;
+      event->string = g_strdup ("\033");
+    }
+  else if (event->keyval == GDK_KEY_Return ||
+          event->keyval == GDK_KEY_KP_Enter)
+    {
+      event->length = 1;
+      event->string = g_strdup ("\r");
+    }
+
+  if (!event->string)
+    {
+      event->length = 0;
+      event->string = g_strdup ("");
+    }
+}
diff --git a/gdk/x11/gdkdevicemanager-xi2.c b/gdk/x11/gdkdevicemanager-xi2.c
index 48bb947..33cd1ae 100644
--- a/gdk/x11/gdkdevicemanager-xi2.c
+++ b/gdk/x11/gdkdevicemanager-xi2.c
@@ -709,70 +709,6 @@ set_user_time (GdkEvent *event)
 }
 
 static void
-translate_keyboard_string (GdkEventKey *event)
-{
-  gunichar c = 0;
-  gchar buf[7];
-
-  /* Fill in event->string crudely, since various programs
-   * depend on it.
-   */
-  event->string = NULL;
-
-  if (event->keyval != GDK_KEY_VoidSymbol)
-    c = gdk_keyval_to_unicode (event->keyval);
-
-  if (c)
-    {
-      gsize bytes_written;
-      gint len;
-
-      /* Apply the control key - Taken from Xlib
-       */
-      if (event->state & GDK_CONTROL_MASK)
-        {
-          if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F;
-          else if (c == '2')
-            {
-              event->string = g_memdup ("\0\0", 2);
-              event->length = 1;
-              buf[0] = '\0';
-              return;
-            }
-          else if (c >= '3' && c <= '7') c -= ('3' - '\033');
-          else if (c == '8') c = '\177';
-          else if (c == '/') c = '_' & 0x1F;
-        }
-
-      len = g_unichar_to_utf8 (c, buf);
-      buf[len] = '\0';
-
-      event->string = g_locale_from_utf8 (buf, len,
-                                          NULL, &bytes_written,
-                                          NULL);
-      if (event->string)
-        event->length = bytes_written;
-    }
-  else if (event->keyval == GDK_KEY_Escape)
-    {
-      event->length = 1;
-      event->string = g_strdup ("\033");
-    }
-  else if (event->keyval == GDK_KEY_Return ||
-          event->keyval == GDK_KEY_KP_Enter)
-    {
-      event->length = 1;
-      event->string = g_strdup ("\r");
-    }
-
-  if (!event->string)
-    {
-      event->length = 0;
-      event->string = g_strdup ("");
-    }
-}
-
-static void
 generate_focus_event (GdkWindow *window,
                       GdkDevice *device,
                       GdkDevice *source_device,
@@ -1108,7 +1044,7 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
         _gdk_x11_keymap_add_virt_mods (keymap, &state);
         event->key.state |= state;
 
-        translate_keyboard_string ((GdkEventKey *) event);
+        _gdk_x11_event_translate_keyboard_string (&event->key);
 
         if (ev->evtype == XI_KeyPress)
           set_user_time (event);
diff --git a/gdk/x11/gdkprivate-x11.h b/gdk/x11/gdkprivate-x11.h
index 322d586..f3b8a8c 100644
--- a/gdk/x11/gdkprivate-x11.h
+++ b/gdk/x11/gdkprivate-x11.h
@@ -243,6 +243,8 @@ guchar * _gdk_x11_device_xi2_translate_event_mask (GdkEventMask     event_mask,
 guint    _gdk_x11_device_xi2_translate_state      (XIModifierState *mods_state,
                                                    XIButtonState   *buttons_state);
 
+void     _gdk_x11_event_translate_keyboard_string (GdkEventKey *event);
+
 void _gdk_x11_display_manager_add_display      (GdkDisplayManager *manager,
                                                 GdkDisplay        *display);
 void _gdk_x11_display_manager_remove_display   (GdkDisplayManager *manager,