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Added api to reset the im context in GtkTextView and GtkEntry

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Also, added api to allow an input method to internally handle
key press and release events in the GtkTextView and GtkEntry
cases.
This is simply a wrapper to the gtk_im_context_filter_keypress()
function, but It's added to not access the ->im_context
directly.
Based on a Christian Dywan patch

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=163251
This commit is contained in:
Javier Jardón 2010-05-05 01:16:55 +02:00
parent 501098e946
commit fc35cd9bfe
6 changed files with 124 additions and 2 deletions
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4
docs/reference/gtk/gtk-sections.txt
View File

@ -1315,6 +1315,8 @@ gtk_entry_get_progress_fraction
gtk_entry_set_progress_pulse_step
gtk_entry_get_progress_pulse_step
gtk_entry_progress_pulse
gtk_entry_im_context_filter_keypress
gtk_entry_reset_im_context
GtkEntryIconPosition
gtk_entry_set_icon_from_pixbuf
gtk_entry_set_icon_from_stock
@ -4120,6 +4122,8 @@ gtk_text_view_get_tabs
gtk_text_view_set_accepts_tab
gtk_text_view_get_accepts_tab
gtk_text_view_get_default_attributes
gtk_text_view_im_context_filter_keypress
gtk_text_view_reset_im_context
GTK_TEXT_VIEW_PRIORITY_VALIDATE
<SUBSECTION Standard>
GTK_TEXT_VIEW

4
gtk/gtk.symbols
View File

@ -1384,10 +1384,12 @@ gtk_entry_get_type G_GNUC_CONST
gtk_entry_get_visibility
gtk_entry_get_width_chars
gtk_entry_get_text_window
gtk_entry_im_context_filter_keypress
gtk_entry_layout_index_to_text_index
gtk_entry_new
gtk_entry_new_with_buffer
gtk_entry_progress_pulse
gtk_entry_reset_im_context
gtk_entry_set_activates_default
gtk_entry_set_alignment
gtk_entry_set_buffer
@ -4273,12 +4275,14 @@ gtk_text_view_get_visible_rect
gtk_text_view_get_window
gtk_text_view_get_window_type
gtk_text_view_get_wrap_mode
gtk_text_view_im_context_filter_keypress
gtk_text_view_move_child
gtk_text_view_move_mark_onscreen
gtk_text_view_move_visually
gtk_text_view_new
gtk_text_view_new_with_buffer
gtk_text_view_place_cursor_onscreen
gtk_text_view_reset_im_context
gtk_text_view_scroll_mark_onscreen
gtk_text_view_scroll_to_iter
gtk_text_view_scroll_to_mark

49
gtk/gtkentry.c
View File

@ -5807,6 +5807,55 @@ _gtk_entry_reset_im_context (GtkEntry *entry)
}
}
/**
* gtk_entry_reset_im_context:
* @entry: a #GtkEntry
*
* Reset the input method context of the entry if needed.
*
* This can be necessary in the case where modifying the buffer
* would confuse on-going input method behavior.
*
* Since: 2.22
*/
void
gtk_entry_reset_im_context (GtkEntry *entry)
{
g_return_if_fail (GTK_IS_ENTRY (entry));
_gtk_entry_reset_im_context (entry);
}
/**
* gtk_entry_im_context_filter_keypress:
* @entry: a #GtkEntry
* @event: the key event
*
* Allow the #GtkEntry input method to internally handle key press
* and release events. If this function returns %TRUE, then no further
* processing should be done for this key event. See
* gtk_im_context_filter_keypress().
*
* Note that you are expected to call this function from your handler
* when overriding key event handling. This is needed in the case when
* you need to insert your own key handling between the input method
* and the default key event handling of the #GtkEntry.
* See gtk_text_view_reset_im_context() for an example of use.
*
* Return value: %TRUE if the input method handled the key event.
*
* Since: 2.22
*/
gboolean
gtk_entry_im_context_filter_keypress (GtkEntry *entry,
GdkEventKey *key)
{
g_return_val_if_fail (GTK_IS_ENTRY (entry), FALSE);
return gtk_im_context_filter_keypress (entry->im_context, key);
}
static gint
gtk_entry_find_position (GtkEntry *entry,
gint x)

4
gtk/gtkentry.h
View File

@ -306,6 +306,10 @@ gint gtk_entry_get_current_icon_drag_source (GtkEntry *
GdkWindow * gtk_entry_get_icon_window (GtkEntry *entry,
GtkEntryIconPosition icon_pos);
gboolean gtk_entry_im_context_filter_keypress (GtkEntry *entry,
GdkEventKey *key);
void gtk_entry_reset_im_context (GtkEntry *entry);
/* Deprecated compatibility functions
*/

61
gtk/gtktextview.c
View File

@ -297,7 +297,6 @@ static void gtk_text_view_set_attributes_from_style (GtkTextView *tex
static void gtk_text_view_ensure_layout (GtkTextView *text_view);
static void gtk_text_view_destroy_layout (GtkTextView *text_view);
static void gtk_text_view_check_keymap_direction (GtkTextView *text_view);
static void gtk_text_view_reset_im_context (GtkTextView *text_view);
static void gtk_text_view_start_selection_drag (GtkTextView *text_view,
const GtkTextIter *iter,
GdkEventButton *event);
@ -6574,9 +6573,22 @@ gtk_text_view_destroy_layout (GtkTextView *text_view)
}
}
static void
/**
* gtk_text_view_reset_im_context:
* @text_view: a #GtkTextView
*
* Reset the input method context of the text view if needed.
*
* This can be necessary in the case where modifying the buffer
* would confuse on-going input method behavior.
*
* Since: 2.22
*/
void
gtk_text_view_reset_im_context (GtkTextView *text_view)
{
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
if (text_view->need_im_reset)
{
text_view->need_im_reset = FALSE;
@ -6584,6 +6596,51 @@ gtk_text_view_reset_im_context (GtkTextView *text_view)
}
}
/**
* gtk_text_view_im_context_filter_keypress:
* @text_view: a #GtkTextView
* @event: the key event
*
* Allow the #GtkTextView input method to internally handle key press
* and release events. If this function returns %TRUE, then no further
* processing should be done for this key event. See
* gtk_im_context_filter_keypress().
*
* Note that you are expected to call this function from your handler
* when overriding key event handling. This is needed in the case when
* you need to insert your own key handling between the input method
* and the default key event handling of the #GtkTextView.
*
* |[
* static gboolean
* gtk_foo_bar_key_press_event (GtkWidget *widget,
* GdkEventKey *event)
* {
* if ((key->keyval == GDK_Return || key->keyval == GDK_KP_Enter))
* {
* if (gtk_text_view_im_context_filter_keypress (GTK_TEXT_VIEW (view), event))
* return TRUE;
* }
*
* /&ast; Do some stuff &ast;/
*
* return GTK_WIDGET_CLASS (gtk_foo_bar_parent_class)->key_press_event (widget, event);
* }
* ]|
*
* Return value: %TRUE if the input method handled the key event.
*
* Since: 2.22
*/
gboolean
gtk_text_view_im_context_filter_keypress (GtkTextView *text_view,
GdkEventKey *key)
{
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
return gtk_im_context_filter_keypress (text_view->im_context, key);
}
/*
* DND feature
*/

4
gtk/gtktextview.h
View File

@ -307,6 +307,10 @@ gboolean gtk_text_view_move_visually (GtkTextView *text_v
GtkTextIter *iter,
gint count);
gboolean gtk_text_view_im_context_filter_keypress (GtkTextView *text_view,
GdkEventKey *key);
void gtk_text_view_reset_im_context (GtkTextView *text_view);
/* Adding child widgets */
void gtk_text_view_add_child_at_anchor (GtkTextView *text_view,
GtkWidget *child,