--- /dev/null
+/* Implements elisp-programmable dialog boxes -- X interface.
+ Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
+ Copyright (C) 2000 Ben Wing.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* Synched up with: Not in FSF. */
+
+/* This file Mule-ized by Ben Wing, 7-8-00. */
+
+#include <config.h>
+#include "lisp.h"
+
+#include "console-x.h"
+#include "EmacsFrame.h"
+#include "gui-x.h"
+
+#include "buffer.h"
+#include "commands.h" /* zmacs_regions */
+#include "events.h"
+#include "frame.h"
+#include "gui.h"
+#include "opaque.h"
+#include "window.h"
+
+
+static void
+maybe_run_dbox_text_callback (LWLIB_ID id)
+{
+ widget_value *wv;
+ int got_some;
+ wv = xmalloc_widget_value ();
+ wv->name = xstrdup ("value");
+ got_some = lw_get_some_values (id, wv);
+ if (got_some)
+ {
+ Lisp_Object text_field_callback;
+ Extbyte *text_field_value = wv->value;
+ VOID_TO_LISP (text_field_callback, wv->call_data);
+ text_field_callback = XCAR (XCDR (text_field_callback));
+ if (text_field_value)
+ {
+ void *tmp =
+ LISP_TO_VOID (cons3 (Qnil,
+ list2 (text_field_callback,
+ build_ext_string (text_field_value,
+ Qlwlib_encoding)),
+ Qnil));
+ popup_selection_callback (0, id, (XtPointer) tmp);
+ }
+ }
+ /* This code tried to optimize, newing/freeing. This is generally
+ unsafe so we will always strdup and always use
+ free_widget_value_tree. */
+ free_widget_value_tree (wv);
+}
+
+static void
+dbox_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data)
+{
+ /* This is called with client_data == -1 when WM_DELETE_WINDOW is sent
+ instead of a button being selected. */
+ struct device *d = get_device_from_display (XtDisplay (widget));
+ struct frame *f = 0;
+ Widget cur_widget = widget;
+
+ /* The parent which is actually connected to our EmacsFrame may be a
+ ways up the tree. */
+ while (!f && cur_widget)
+ {
+ f = x_any_window_to_frame (d, XtWindow (cur_widget));
+ cur_widget = XtParent (cur_widget);
+ }
+
+ if (popup_handled_p (id))
+ return;
+ assert (popup_up_p != 0);
+ ungcpro_popup_callbacks (id);
+ popup_up_p--;
+ maybe_run_dbox_text_callback (id);
+ popup_selection_callback (widget, id, client_data);
+ /* #### need to error-protect! will do so when i merge in
+ my working ws */
+ va_run_hook_with_args (Qdelete_dialog_box_hook, 1, make_int (id));
+ lw_destroy_all_widgets (id);
+
+ /* The Motif dialog box sets the keyboard focus to itself. When it
+ goes away we have to take care of getting the focus back
+ ourselves. */
+#ifdef EXTERNAL_WIDGET
+ /* #### Not sure if this special case is necessary. */
+ if (!FRAME_X_EXTERNAL_WINDOW_P (f) && f)
+#else
+ if (f)
+#endif
+ lw_set_keyboard_focus (FRAME_X_SHELL_WIDGET (f), FRAME_X_TEXT_WIDGET (f));
+}
+
+static const Extbyte * const button_names [] = {
+ "button1", "button2", "button3", "button4", "button5",
+ "button6", "button7", "button8", "button9", "button10" };
+
+static widget_value *
+dbox_descriptor_to_widget_value (Lisp_Object keys)
+{
+ /* This function can GC */
+ int lbuttons = 0, rbuttons = 0;
+ int partition_seen = 0;
+ int text_field_p = 0;
+ int allow_text_p = 1;
+ widget_value *prev = 0, *kids = 0;
+ int n = 0;
+ int count = specpdl_depth ();
+ Lisp_Object wv_closure, gui_item;
+ Lisp_Object question = Qnil;
+ Lisp_Object title = Qnil; /* #### currently unused */
+ Lisp_Object buttons = Qnil;
+
+ {
+ EXTERNAL_PROPERTY_LIST_LOOP_3 (key, value, keys)
+ {
+ if (EQ (key, Q_question))
+ {
+ CHECK_STRING (value);
+ question = value;
+ }
+ else if (EQ (key, Q_title))
+ {
+ CHECK_STRING (value);
+ title = value;
+ }
+ else if (EQ (key, Q_buttons))
+ {
+ CHECK_LIST (value);
+ buttons = value;
+ }
+ else
+ syntax_error ("Unrecognized question-dialog keyword", key);
+ }
+ }
+
+ if (NILP (question))
+ syntax_error ("Dialog descriptor provides no question", keys);
+
+ /* Inhibit GC during this conversion. The reasons for this are
+ the same as in menu_item_descriptor_to_widget_value(); see
+ the large comment above that function. */
+
+ record_unwind_protect (restore_gc_inhibit,
+ make_int (gc_currently_forbidden));
+ gc_currently_forbidden = 1;
+
+ kids = prev = xmalloc_widget_value ();
+
+ /* Also make sure that we free the partially-created widget_value
+ tree on Lisp error. */
+
+ wv_closure = make_opaque_ptr (kids);
+ record_unwind_protect (widget_value_unwind, wv_closure);
+ prev->name = xstrdup ("message");
+ LISP_STRING_TO_EXTERNAL_MALLOC (question, prev->value, Qlwlib_encoding);
+ prev->enabled = 1;
+
+ {
+ EXTERNAL_LIST_LOOP_2 (button, buttons)
+ {
+ widget_value *wv;
+
+ if (NILP (button))
+ {
+ if (partition_seen)
+ syntax_error ("More than one partition (nil) seen in dbox spec",
+ keys);
+ partition_seen = 1;
+ continue;
+ }
+ CHECK_VECTOR (button);
+ wv = xmalloc_widget_value ();
+
+ gui_item = gui_parse_item_keywords (button);
+ if (!button_item_to_widget_value (Qdialog,
+ gui_item, wv, allow_text_p, 1, 0, 1))
+ {
+ free_widget_value_tree (wv);
+ continue;
+ }
+
+ if (wv->type == TEXT_TYPE)
+ {
+ text_field_p = 1;
+ allow_text_p = 0; /* only allow one */
+ }
+ else /* it's a button */
+ {
+ allow_text_p = 0; /* only allow text field at the front */
+ if (wv->value)
+ xfree (wv->value);
+ wv->value = wv->name; /* what a mess... */
+ wv->name = xstrdup (button_names [n]);
+
+ if (partition_seen)
+ rbuttons++;
+ else
+ lbuttons++;
+ n++;
+
+ if (lbuttons > 9 || rbuttons > 9)
+ syntax_error ("Too many buttons (9)",
+ keys); /* #### this leaks */
+ }
+
+ prev->next = wv;
+ prev = wv;
+ }
+ }
+
+ if (n == 0)
+ syntax_error ("Dialog boxes must have some buttons", keys);
+
+ {
+ Extbyte type = (text_field_p ? 'P' : 'Q');
+ static Extbyte tmp_dbox_name [255];
+
+ widget_value *dbox;
+ sprintf (tmp_dbox_name, "%c%dBR%d", type, lbuttons + rbuttons, rbuttons);
+ dbox = xmalloc_widget_value ();
+ dbox->name = xstrdup (tmp_dbox_name);
+ dbox->contents = kids;
+
+ /* No more need to free the half-filled-in structures. */
+ set_opaque_ptr (wv_closure, 0);
+ unbind_to (count, Qnil);
+ return dbox;
+ }
+}
+
+static Lisp_Object
+x_make_dialog_box_internal (struct frame* f, Lisp_Object type,
+ Lisp_Object keys)
+{
+ int dbox_id;
+ widget_value *data;
+ Widget parent, dbox;
+
+ if (!EQ (type, Qquestion))
+ signal_type_error (Qunimplemented, "Dialog box type", type);
+
+ data = dbox_descriptor_to_widget_value (keys);
+
+ parent = FRAME_X_SHELL_WIDGET (f);
+
+ dbox_id = new_lwlib_id ();
+ dbox = lw_create_widget (data->name, "dialog", dbox_id, data, parent, 1, 0,
+ dbox_selection_callback, 0);
+ lw_modify_all_widgets (dbox_id, data, True);
+ lw_modify_all_widgets (dbox_id, data->contents, True);
+ free_popup_widget_value_tree (data);
+
+ gcpro_popup_callbacks (dbox_id);
+
+ /* Setting zmacs-region-stays is necessary here because executing a
+ command from a dialog is really a two-command process: the first
+ command (bound to the button-click) simply pops up the dialog,
+ and returns. This causes a sequence of magic-events (destined
+ for the dialog widget) to begin. Eventually, a dialog item is
+ selected, and a misc-user-event blip is pushed onto the end of
+ the input stream, which is then executed by the event loop.
+
+ So there are two command-events, with a bunch of magic-events
+ between them. We don't want the *first* command event to alter
+ the state of the region, so that the region can be available as
+ an argument for the second command. */
+ if (zmacs_regions)
+ zmacs_region_stays = 1;
+
+ popup_up_p++;
+ lw_pop_up_all_widgets (dbox_id);
+
+ /* #### this could (theoretically) cause problems if we are up for
+ a REALLY REALLY long time -- too big to fit into lisp integer. */
+ return make_int (dbox_id);
+}
+
+void
+syms_of_dialog_x (void)
+{
+}
+
+void
+console_type_create_dialog_x (void)
+{
+ CONSOLE_HAS_METHOD (x, make_dialog_box_internal);
+}
+
+void
+vars_of_dialog_x (void)
+{
+#if defined (LWLIB_DIALOGS_LUCID)
+ Fprovide (intern ("lucid-dialogs"));
+#elif defined (LWLIB_DIALOGS_MOTIF)
+ Fprovide (intern ("motif-dialogs"));
+#elif defined (LWLIB_DIALOGS_ATHENA)
+ Fprovide (intern ("athena-dialogs"));
+#endif
+}
projects / chise / xemacs-chise.git- / blobdiff