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69ac9451a6
2000-10-03 Tor Lillqvist <tml@iki.fi> * config.h.win32: Guard definition of alloca(). glib.h now handles that. * gdk/gdk.def * gtk/gtk.def: Add new entry points. Changes just to make GTK+ build without errors on Win32. No hope of it working in its current state, though...: * gdk/win32/gdkselection-win32.c: Remove gcc -Wall warnings. Add some functions from the X11 backend, just to make GTK+ build. * gdk/makefile.mingw.in * gtk/makefile.mingw.in: Use correct gdk_pixbuf version number. Add new object files. * gtk/gtkclipboard.c: Include gdkwin32.h on Win32. Use GetMessageTime to get timestamp (where on X11 uses gdk_x11_get_server_time()).
722 lines
17 KiB
C
722 lines
17 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include <string.h>
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#include "gdkproperty.h"
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#include "gdkselection.h"
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#include "gdkinternals.h"
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#include "gdkprivate.h"
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#include "gdkprivate-win32.h"
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#include "gdkwindow-win32.h"
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/* We emulate the GDK_SELECTION window properties by storing
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* it's data in a per-window hashtable.
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*/
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typedef struct {
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guchar *data;
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gint length;
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gint format;
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GdkAtom type;
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} GdkSelProp;
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static GHashTable *sel_prop_table = NULL;
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void
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gdk_win32_selection_init (void)
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{
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if (sel_prop_table == NULL)
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sel_prop_table = g_hash_table_new (g_int_hash, g_int_equal);
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}
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void
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gdk_sel_prop_store (GdkWindow *owner,
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GdkAtom type,
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gint format,
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guchar *data,
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gint length)
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{
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GdkSelProp *prop;
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prop = g_hash_table_lookup (sel_prop_table, &GDK_WINDOW_HWND (owner));
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if (prop != NULL)
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{
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g_free (prop->data);
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g_hash_table_remove (sel_prop_table, &GDK_WINDOW_HWND (owner));
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}
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prop = g_new (GdkSelProp, 1);
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prop->data = data;
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prop->length = length;
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prop->format = format;
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prop->type = type;
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g_hash_table_insert (sel_prop_table, &GDK_WINDOW_HWND (owner), prop);
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}
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gboolean
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gdk_selection_owner_set (GdkWindow *owner,
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GdkAtom selection,
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guint32 time,
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gboolean send_event)
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{
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gchar *sel_name;
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HWND xwindow;
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GDK_NOTE (MISC,
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(sel_name = gdk_atom_name (selection),
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g_print ("gdk_selection_owner_set: %#x %#x (%s)\n",
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(owner ? (guint) GDK_WINDOW_HWND (owner) : 0),
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(guint) selection, sel_name),
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g_free (sel_name)));
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if (selection != gdk_clipboard_atom)
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return FALSE;
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if (owner != NULL)
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xwindow = GDK_WINDOW_HWND (owner);
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else
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xwindow = NULL;
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GDK_NOTE (MISC, g_print ("...OpenClipboard(%#x)\n", (guint) xwindow));
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if (!OpenClipboard (xwindow))
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{
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WIN32_API_FAILED ("OpenClipboard");
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return FALSE;
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}
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GDK_NOTE (MISC, g_print ("...EmptyClipboard()\n"));
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if (!EmptyClipboard ())
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{
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WIN32_API_FAILED ("EmptyClipboard");
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CloseClipboard ();
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return FALSE;
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}
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#if 0
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/* No delayed rendering */
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if (xwindow != NULL)
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SetClipboardData (CF_TEXT, NULL);
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#endif
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GDK_NOTE (MISC, g_print ("...CloseClipboard()\n"));
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if (!CloseClipboard ())
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{
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WIN32_API_FAILED ("CloseClipboard");
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return FALSE;
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}
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if (owner != NULL)
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{
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/* Send ourselves an ersatz selection request message so that
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* gdk_property_change will be called to store the clipboard data.
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*/
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SendMessage (xwindow, gdk_selection_request_msg,
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selection, 0);
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}
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return TRUE;
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}
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GdkWindow*
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gdk_selection_owner_get (GdkAtom selection)
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{
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GdkWindow *window;
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gchar *sel_name;
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#if 1
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/* XXX Hmm, gtk selections seem to work best with this. This causes
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* gtk to always get the clipboard contents from Windows, and not
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* from the editable's own stashed-away copy.
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*/
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return NULL;
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#else
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if (selection != gdk_clipboard_atom)
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window = NULL;
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else
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window = gdk_win32_handle_table_lookup (GetClipboardOwner ());
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#endif
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GDK_NOTE (MISC,
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(sel_name = gdk_atom_name (selection),
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g_print ("gdk_selection_owner_get: %#x (%s) = %#x\n",
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(guint) selection, sel_name,
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(window ? (guint) GDK_WINDOW_HWND (window) : 0)),
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g_free (sel_name)));
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return window;
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}
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void
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gdk_selection_convert (GdkWindow *requestor,
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GdkAtom selection,
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GdkAtom target,
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guint32 time)
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{
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HGLOBAL hdata;
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guchar *ptr, *data, *datap, *p;
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guint i, length, slength;
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gchar *sel_name, *tgt_name;
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g_return_if_fail (requestor != NULL);
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if (GDK_WINDOW_DESTROYED (requestor))
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return;
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GDK_NOTE (MISC,
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(sel_name = gdk_atom_name (selection),
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tgt_name = gdk_atom_name (target),
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g_print ("gdk_selection_convert: %#x %#x (%s) %#x (%s)\n",
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(guint) GDK_WINDOW_HWND (requestor),
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(guint) selection, sel_name,
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(guint) target, tgt_name),
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g_free (sel_name),
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g_free (tgt_name)));
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if (selection == gdk_clipboard_atom)
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{
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/* Converting the CLIPBOARD selection means he wants the
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* contents of the clipboard. Get the clipboard data,
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* and store it for later.
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*/
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GDK_NOTE (MISC, g_print ("...OpenClipboard(%#x)\n",
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(guint) GDK_WINDOW_HWND (requestor)));
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if (!OpenClipboard (GDK_WINDOW_HWND (requestor)))
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{
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WIN32_API_FAILED ("OpenClipboard");
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return;
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}
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GDK_NOTE (MISC, g_print ("...GetClipboardData(CF_TEXT)\n"));
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if ((hdata = GetClipboardData (CF_TEXT)) != NULL)
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{
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if ((ptr = GlobalLock (hdata)) != NULL)
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{
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length = GlobalSize (hdata);
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GDK_NOTE (MISC, g_print ("...got data: %d bytes: %.10s\n",
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length, ptr));
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slength = 0;
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p = ptr;
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for (i = 0; i < length; i++)
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{
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if (*p == '\0')
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break;
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else if (*p != '\r')
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slength++;
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p++;
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}
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data = datap = g_malloc (slength + 1);
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p = ptr;
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for (i = 0; i < length; i++)
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{
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if (*p == '\0')
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break;
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else if (*p != '\r')
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*datap++ = *p;
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p++;
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}
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*datap++ = '\0';
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gdk_sel_prop_store (requestor, GDK_TARGET_STRING, 8,
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data, strlen (data) + 1);
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GlobalUnlock (hdata);
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}
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}
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GDK_NOTE (MISC, g_print ("...CloseClipboard()\n"));
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CloseClipboard ();
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/* Send ourselves an ersatz selection notify message so that we actually
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* fetch the data.
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*/
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SendMessage (GDK_WINDOW_HWND (requestor), gdk_selection_notify_msg, selection, target);
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}
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else if (selection == gdk_win32_dropfiles_atom)
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{
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/* This means he wants the names of the dropped files.
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* gdk_dropfiles_filter already has stored the text/uri-list
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* data, tempoarily on gdk_root_parent's selection "property".
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*/
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GdkSelProp *prop;
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prop = g_hash_table_lookup (sel_prop_table,
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&GDK_WINDOW_HWND (gdk_parent_root));
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if (prop != NULL)
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{
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g_hash_table_remove (sel_prop_table,
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&GDK_WINDOW_HWND (gdk_parent_root));
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gdk_sel_prop_store (requestor, prop->type, prop->format,
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prop->data, prop->length);
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g_free (prop);
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SendMessage (GDK_WINDOW_HWND (requestor), gdk_selection_notify_msg, selection, target);
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}
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}
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else
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{
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g_warning ("gdk_selection_convert: General case not implemented");
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}
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}
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gint
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gdk_selection_property_get (GdkWindow *requestor,
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guchar **data,
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GdkAtom *ret_type,
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gint *ret_format)
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{
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GdkSelProp *prop;
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g_return_val_if_fail (requestor != NULL, 0);
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g_return_val_if_fail (GDK_IS_WINDOW (requestor), 0);
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if (GDK_WINDOW_DESTROYED (requestor))
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return 0;
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GDK_NOTE (MISC, g_print ("gdk_selection_property_get: %#x\n",
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(guint) GDK_WINDOW_HWND (requestor)));
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prop = g_hash_table_lookup (sel_prop_table, &GDK_WINDOW_HWND (requestor));
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if (prop == NULL)
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{
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*data = NULL;
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return 0;
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}
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*data = g_malloc (prop->length);
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if (prop->length > 0)
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memmove (*data, prop->data, prop->length);
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if (ret_type)
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*ret_type = prop->type;
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if (ret_format)
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*ret_format = prop->format;
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return prop->length;
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}
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void
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gdk_selection_property_delete (GdkWindow *window)
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{
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GdkSelProp *prop;
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prop = g_hash_table_lookup (sel_prop_table, &GDK_WINDOW_HWND (window));
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if (prop != NULL)
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{
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g_free (prop->data);
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g_hash_table_remove (sel_prop_table, &GDK_WINDOW_HWND (window));
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}
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else
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g_warning ("huh?");
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}
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void
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gdk_selection_send_notify (guint32 requestor,
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GdkAtom selection,
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GdkAtom target,
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GdkAtom property,
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guint32 time)
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{
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gchar *sel_name, *tgt_name, *prop_name;
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GDK_NOTE (MISC,
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(sel_name = gdk_atom_name (selection),
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tgt_name = gdk_atom_name (target),
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prop_name = gdk_atom_name (property),
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g_print ("gdk_selection_send_notify: %#x %#x (%s) %#x (%s) %#x (%s)\n",
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requestor,
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(guint) selection, sel_name,
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(guint) target, tgt_name,
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(guint) property, prop_name),
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g_free (sel_name),
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g_free (tgt_name),
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g_free (prop_name)));
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/* Send ourselves a selection clear message so that gtk thinks we don't
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* have the selection, and will claim it anew when needed, and
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* we thus get a chance to store data in the Windows clipboard.
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* Otherwise, if a gtkeditable does a copy to clipboard several times
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* only the first one actually gets copied to the Windows clipboard,
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* as only he first one causes a call to gdk_property_change.
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*
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* Hmm, there is something fishy with this. Cut and paste inside the
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* same app didn't work, the gtkeditable immediately forgot the
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* clipboard contents in gtk_editable_selection_clear as a result of
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* this message. OTOH, when I changed gdk_selection_owner_get to
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* always return NULL, it works. Sigh.
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*/
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SendMessage ((HWND) requestor, gdk_selection_clear_msg, selection, 0);
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}
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gint
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gdk_text_property_to_text_list (GdkAtom encoding,
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gint format,
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const guchar *text,
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gint length,
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gchar ***list)
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{
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GDK_NOTE (MISC,
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g_print ("gdk_text_property_to_text_list not implemented\n"));
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return 0;
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}
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void
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gdk_free_text_list (gchar **list)
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{
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g_return_if_fail (list != NULL);
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/* ??? */
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}
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gint
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gdk_string_to_compound_text (const gchar *str,
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GdkAtom *encoding,
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gint *format,
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guchar **ctext,
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gint *length)
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{
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g_warning ("gdk_string_to_compound_text: Not implemented");
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return 0;
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}
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void
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gdk_free_compound_text (guchar *ctext)
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{
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g_warning ("gdk_free_compound_text: Not implemented");
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}
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/* These are lifted from gdkselection-x11.c, just to get GTK+ to build.
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* These functions probably don't make much sense at all in Windows.
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*/
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/* FIXME */
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static gint
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make_list (const gchar *text,
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gint length,
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gboolean latin1,
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gchar ***list)
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{
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GSList *strings = NULL;
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gint n_strings = 0;
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gint i;
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const gchar *p = text;
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const gchar *q;
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GSList *tmp_list;
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GError *error = NULL;
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while (p < text + length)
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{
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gchar *str;
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q = p;
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while (*q && q < text + length)
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q++;
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if (latin1)
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{
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str = g_convert (p, q - p,
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"UTF-8", "ISO-8859-1",
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NULL, NULL, &error);
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if (!str)
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{
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g_warning ("Error converting selection from STRING: %s",
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error->message);
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g_error_free (error);
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}
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}
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else
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str = g_strndup (p, q - p);
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if (str)
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{
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strings = g_slist_prepend (strings, str);
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n_strings++;
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}
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p = q + 1;
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}
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if (list)
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*list = g_new (gchar *, n_strings + 1);
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(*list)[n_strings] = NULL;
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i = n_strings;
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tmp_list = strings;
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while (tmp_list)
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{
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if (list)
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(*list)[--i] = tmp_list->data;
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else
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g_free (tmp_list->data);
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tmp_list = tmp_list->next;
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}
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g_slist_free (strings);
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return n_strings;
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}
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/**
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* gdk_text_property_to_utf8_list:
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* @encoding: an atom representing the encoding of the text
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* @format: the format of the property
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* @text: the text to convert
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* @length: the length of @text, in bytes
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* @list: location to store the list of strings or %NULL. The
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* list should be freed with g_strfreev().
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*
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* Convert a text property in the giving encoding to
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* a list of UTF-8 strings.
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*
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* Return value: the number of strings in the resulting
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* list.
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**/
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gint
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gdk_text_property_to_utf8_list (GdkAtom encoding,
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gint format,
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const guchar *text,
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gint length,
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gchar ***list)
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{
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g_return_val_if_fail (text != NULL, 0);
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g_return_val_if_fail (length >= 0, 0);
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if (encoding == GDK_TARGET_STRING)
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{
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return make_list ((gchar *)text, length, TRUE, list);
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}
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else if (encoding == gdk_atom_intern ("UTF8_STRING", FALSE))
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{
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return make_list ((gchar *)text, length, FALSE, list);
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}
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else
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{
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gchar **local_list;
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gint local_count;
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gint i;
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gchar *charset = NULL;
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gboolean need_conversion= g_get_charset (&charset);
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gint count = 0;
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GError *error = NULL;
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|
/* Probably COMPOUND text, we fall back to Xlib routines
|
|
*/
|
|
local_count = gdk_text_property_to_text_list (encoding,
|
|
format,
|
|
text,
|
|
length,
|
|
&local_list);
|
|
if (list)
|
|
*list = g_new (gchar *, local_count + 1);
|
|
|
|
for (i=0; i<local_count; i++)
|
|
{
|
|
/* list contains stuff in our default encoding
|
|
*/
|
|
if (need_conversion)
|
|
{
|
|
gchar *utf = g_convert (local_list[i], -1,
|
|
"UTF-8", charset,
|
|
NULL, NULL, &error);
|
|
if (utf)
|
|
{
|
|
if (list)
|
|
(*list)[count++] = utf;
|
|
else
|
|
g_free (utf);
|
|
}
|
|
else
|
|
{
|
|
g_warning ("Error converting to UTF-8 from '%s': %s",
|
|
charset, error->message);
|
|
g_error_free (error);
|
|
error = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (list)
|
|
(*list)[count++] = g_strdup (local_list[i]);
|
|
}
|
|
}
|
|
|
|
gdk_free_text_list (local_list);
|
|
(*list)[count] = NULL;
|
|
|
|
return count;
|
|
}
|
|
}
|
|
|
|
/* The specifications for COMPOUND_TEXT and STRING specify that C0 and
|
|
* C1 are not allowed except for \n and \t, however the X conversions
|
|
* routines for COMPOUND_TEXT only enforce this in one direction,
|
|
* causing cut-and-paste of \r and \r\n separated text to fail.
|
|
* This routine strips out all non-allowed C0 and C1 characters
|
|
* from the input string and also canonicalizes \r, \r\n, and \n\r to \n
|
|
*/
|
|
static gchar *
|
|
sanitize_utf8 (const gchar *src)
|
|
{
|
|
gint len = strlen (src);
|
|
GString *result = g_string_sized_new (len);
|
|
const gchar *p = src;
|
|
|
|
while (*p)
|
|
{
|
|
if (*p == '\r' || *p == '\n')
|
|
{
|
|
p++;
|
|
if (*p == '\r' || *p == '\n')
|
|
p++;
|
|
|
|
g_string_append_c (result, '\n');
|
|
}
|
|
else
|
|
{
|
|
gunichar ch = g_utf8_get_char (p);
|
|
char buf[7];
|
|
gint buflen;
|
|
|
|
if (!((ch < 0x20 && ch != '\t') || (ch >= 0x7f && ch < 0xa0)))
|
|
{
|
|
buflen = g_unichar_to_utf8 (ch, buf);
|
|
g_string_append_len (result, buf, buflen);
|
|
}
|
|
|
|
p = g_utf8_next_char (p);
|
|
}
|
|
}
|
|
|
|
return g_string_free (result, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gdk_utf8_to_string_target:
|
|
* @str: a UTF-8 string
|
|
*
|
|
* Convert an UTF-8 string into the best possible representation
|
|
* as a STRING. The representation of characters not in STRING
|
|
* is not specified; it may be as pseudo-escape sequences
|
|
* \x{ABCD}, or it may be in some other form of approximation.
|
|
*
|
|
* Return value: the newly allocated string, or %NULL if the
|
|
* conversion failed. (It should not fail for
|
|
* any properly formed UTF-8 string.)
|
|
**/
|
|
gchar *
|
|
gdk_utf8_to_string_target (const gchar *str)
|
|
{
|
|
GError *error = NULL;
|
|
|
|
gchar *tmp_str = sanitize_utf8 (str);
|
|
gchar *result = g_convert_with_fallback (tmp_str, -1,
|
|
"ISO-8859-1", "UTF-8",
|
|
NULL, NULL, NULL, &error);
|
|
if (!result)
|
|
{
|
|
g_warning ("Error converting from UTF-8 to STRING: %s",
|
|
error->message);
|
|
g_error_free (error);
|
|
}
|
|
|
|
g_free (tmp_str);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* gdk_utf8_to_compound_text:
|
|
* @str: a UTF-8 string
|
|
* @encoding: location to store resulting encoding
|
|
* @format: location to store format of the result
|
|
* @ctext: location to store the data of the result
|
|
* @length: location to store the length of the data
|
|
* stored in @ctext
|
|
*
|
|
* Convert from UTF-8 to compound text.
|
|
*
|
|
* Return value: %TRUE if the conversion succeeded, otherwise
|
|
* false.
|
|
**/
|
|
gboolean
|
|
gdk_utf8_to_compound_text (const gchar *str,
|
|
GdkAtom *encoding,
|
|
gint *format,
|
|
guchar **ctext,
|
|
gint *length)
|
|
{
|
|
gboolean need_conversion;
|
|
gchar *charset;
|
|
gchar *locale_str, *tmp_str;
|
|
GError *error = NULL;
|
|
gboolean result;
|
|
|
|
g_return_val_if_fail (str != NULL, FALSE);
|
|
|
|
need_conversion = g_get_charset (&charset);
|
|
|
|
tmp_str = sanitize_utf8 (str);
|
|
|
|
if (need_conversion)
|
|
{
|
|
locale_str = g_convert_with_fallback (tmp_str, -1,
|
|
charset, "UTF-8",
|
|
NULL, NULL, NULL, &error);
|
|
g_free (tmp_str);
|
|
|
|
if (!locale_str)
|
|
{
|
|
g_warning ("Error converting from UTF-8 to '%s': %s",
|
|
charset, error->message);
|
|
g_error_free (error);
|
|
|
|
if (encoding)
|
|
*encoding = GDK_NONE;
|
|
if (format)
|
|
*format = GDK_NONE;
|
|
if (ctext)
|
|
*ctext = NULL;
|
|
if (length)
|
|
*length = 0;
|
|
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
|
locale_str = tmp_str;
|
|
|
|
result = gdk_string_to_compound_text (locale_str,
|
|
encoding, format, ctext, length);
|
|
|
|
g_free (locale_str);
|
|
|
|
return result;
|
|
}
|