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count down from G_MAXUINT to avoid clashes with application-added DND

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2006-03-22  Michael Natterer  <mitch@imendio.com>

	* gtk/gtktextbuffer.h (enum GtkTextBufferTargetInfo): count down
	from G_MAXUINT to avoid clashes with application-added DND
	targets.

	* gtk/gtktextview.c (gtk_text_view_init): set an empty
	GtkTargetList on the drag_dest so it is not NULL when a derived
	class' init() function is called.

	(gtk_text_view_target_list_notify): copy the text buffer's paste
	targets into the view's destinstion target list (preserving
	application-added DND targets), instead of replacing the view's
	target list. Fixes bug #334399.
This commit is contained in:
Michael Natterer 2006-03-22 10:39:51 +00:00 committed by Michael Natterer
parent 0c230f6061
commit ca658057e5
4 changed files with 86 additions and 9 deletions
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15
ChangeLog
View File

@ -1,3 +1,18 @@
2006-03-22 Michael Natterer <mitch@imendio.com>
* gtk/gtktextbuffer.h (enum GtkTextBufferTargetInfo): count down
from G_MAXUINT to avoid clashes with application-added DND
targets.
* gtk/gtktextview.c (gtk_text_view_init): set an empty
GtkTargetList on the drag_dest so it is not NULL when a derived
class' init() function is called.
(gtk_text_view_target_list_notify): copy the text buffer's paste
targets into the view's destinstion target list (preserving
application-added DND targets), instead of replacing the view's
target list. Fixes bug #334399.
2006-03-21 Anders Carlsson <andersca@imendio.com>
* gtk/Makefile.am:

15
ChangeLog.pre-2-10
View File

@ -1,3 +1,18 @@
2006-03-22 Michael Natterer <mitch@imendio.com>
* gtk/gtktextbuffer.h (enum GtkTextBufferTargetInfo): count down
from G_MAXUINT to avoid clashes with application-added DND
targets.
* gtk/gtktextview.c (gtk_text_view_init): set an empty
GtkTargetList on the drag_dest so it is not NULL when a derived
class' init() function is called.
(gtk_text_view_target_list_notify): copy the text buffer's paste
targets into the view's destinstion target list (preserving
application-added DND targets), instead of replacing the view's
target list. Fixes bug #334399.
2006-03-21 Anders Carlsson <andersca@imendio.com>
* gtk/Makefile.am:

9
gtk/gtktextbuffer.h
View File

@ -43,12 +43,15 @@ G_BEGIN_DECLS
/* these values are used as "info" for the targets contained in the
* lists returned by gtk_text_buffer_get_copy,paste_target_list()
*
* the enum counts down from G_MAXUINT to avoid clashes with application
* added drag destinations which usually start at 0.
*/
typedef enum
{
GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS,
GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT,
GTK_TEXT_BUFFER_TARGET_INFO_TEXT
GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS = G_MAXUINT - 0,
GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT = G_MAXUINT - 1,
GTK_TEXT_BUFFER_TARGET_INFO_TEXT = G_MAXUINT - 2
} GtkTextBufferTargetInfo;
typedef struct _GtkTextBTree GtkTextBTree;

56
gtk/gtktextview.c
View File

@ -1044,9 +1044,8 @@ gtk_text_view_class_init (GtkTextViewClass *klass)
static void
gtk_text_view_init (GtkTextView *text_view)
{
GtkWidget *widget;
widget = GTK_WIDGET (text_view);
GtkWidget *widget = GTK_WIDGET (text_view);
GtkTargetList *target_list;
GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS);
@ -1065,6 +1064,10 @@ gtk_text_view_init (GtkTextView *text_view)
gtk_drag_dest_set (widget, 0, NULL, 0,
GDK_ACTION_COPY | GDK_ACTION_MOVE);
target_list = gtk_target_list_new (NULL, 0);
gtk_drag_dest_set_target_list (widget, target_list);
gtk_target_list_unref (target_list);
text_view->virtual_cursor_x = -1;
text_view->virtual_cursor_y = -1;
@ -6159,6 +6162,7 @@ gtk_text_view_drag_motion (GtkWidget *widget,
GtkTextIter end;
GdkRectangle target_rect;
gint bx, by;
GdkAtom target;
GdkDragAction suggested_action = 0;
text_view = GTK_TEXT_VIEW (widget);
@ -6180,8 +6184,10 @@ gtk_text_view_drag_motion (GtkWidget *widget,
&newplace,
bx, by);
if (gtk_drag_dest_find_target (widget, context,
gtk_drag_dest_get_target_list (widget)) == GDK_NONE)
target = gtk_drag_dest_find_target (widget, context,
gtk_drag_dest_get_target_list (widget));
if (target == GDK_NONE)
{
/* can't accept any of the offered targets */
}
@ -6887,7 +6893,45 @@ gtk_text_view_target_list_notify (GtkTextBuffer *buffer,
const GParamSpec *pspec,
gpointer data)
{
gtk_drag_dest_set_target_list (data, gtk_text_buffer_get_paste_target_list (buffer));
GtkWidget *widget = GTK_WIDGET (data);
GtkTargetList *view_list;
GtkTargetList *buffer_list;
GList *list;
view_list = gtk_drag_dest_get_target_list (widget);
buffer_list = gtk_text_buffer_get_paste_target_list (buffer);
if (view_list)
gtk_target_list_ref (view_list);
else
view_list = gtk_target_list_new (NULL, 0);
list = view_list->list;
while (list)
{
GtkTargetPair *pair = list->data;
guint info;
list = g_list_next (list); /* get next element before removing */
for (info = GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS;
info >= GTK_TEXT_BUFFER_TARGET_INFO_TEXT;
info--)
{
if (pair->info == info)
gtk_target_list_remove (view_list, pair->target);
}
}
for (list = buffer_list->list; list; list = g_list_next (list))
{
GtkTargetPair *pair = list->data;
gtk_target_list_add (view_list, pair->target, pair->flags, pair->info);
}
gtk_drag_dest_set_target_list (widget, view_list);
gtk_target_list_unref (view_list);
}
static void