/* The lwlib interface to Motif widgets.
+ Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Copyright (C) 1992 Lucid, Inc.
This file is part of the Lucid Widget Library.
-The Lucid Widget Library is free software; you can redistribute it and/or
+The Lucid Widget Library 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 1, or (at your option)
any later version.
The Lucid Widget Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
+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 GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
-#include <stdlib.h>
#include <unistd.h>
-#include <string.h>
#include <stdio.h>
+#include <setjmp.h>
#include <X11/StringDefs.h>
#include <X11/IntrinsicP.h>
#include <X11/CoreP.h>
#include <X11/CompositeP.h>
+#include "../src/lisp.h"
+
#include "lwlib-Xm.h"
#include "lwlib-utils.h"
#include <Xm/BulletinB.h>
#include <Xm/CascadeB.h>
+#include <Xm/CascadeBG.h>
#include <Xm/DrawingA.h>
#include <Xm/FileSB.h>
#include <Xm/Label.h>
#include <Xm/DialogS.h>
#include <Xm/Form.h>
-static void xm_pull_down_callback (/* Widget, XtPointer, XtPointer */);
-static void xm_internal_update_other_instances (/* Widget, XtPointer,
- XtPointer */);
-static void xm_generic_callback (/* Widget, XtPointer, XtPointer */);
-static void xm_nosel_callback (/* Widget, XtPointer, XtPointer */);
-static void xm_pop_down_callback (/* Widget, XtPointer, XtPointer */);
+#undef P_
+#if defined __STDC__ || defined PROTOTYPES
+#define P_(X) X
+#else
+#define P_(X) ()
+#endif
-static void xm_update_menu (/* widget_instance*, Widget, widget_value*,
- Boolean) */);
+enum do_call_type { pre_activate, selection, no_selection, post_activate };
\f/* Structures to keep destroyed instances */
-typedef struct _destroyed_instance
+typedef struct _destroyed_instance
{
char* name;
char* type;
struct _destroyed_instance* next;
} destroyed_instance;
-static destroyed_instance*
-all_destroyed_instances = NULL;
+static destroyed_instance *make_destroyed_instance P_ ((char *, char *,
+ Widget, Widget,
+ Boolean));
+static void free_destroyed_instance P_ ((destroyed_instance*));
+Widget first_child P_ ((Widget));
+Boolean lw_motif_widget_p P_ ((Widget));
+static XmString resource_motif_string P_ ((Widget, char *));
+static void destroy_all_children P_ ((Widget, int));
+static void xm_update_label P_ ((widget_instance *, Widget, widget_value *));
+static void xm_update_list P_ ((widget_instance *, Widget, widget_value *));
+static void xm_update_pushbutton P_ ((widget_instance *, Widget,
+ widget_value *));
+static void xm_update_cascadebutton P_ ((widget_instance *, Widget,
+ widget_value *));
+static void xm_update_toggle P_ ((widget_instance *, Widget, widget_value *));
+static void xm_update_radiobox P_ ((widget_instance *, Widget, widget_value *));
+static void make_menu_in_widget P_ ((widget_instance *, Widget,
+ widget_value *, int));
+static void update_one_menu_entry P_ ((widget_instance *, Widget,
+ widget_value *, Boolean));
+static void xm_update_menu P_ ((widget_instance *, Widget, widget_value *,
+ Boolean));
+static void xm_update_text P_ ((widget_instance *, Widget, widget_value *));
+static void xm_update_text_field P_ ((widget_instance *, Widget,
+ widget_value *));
+void xm_update_one_value P_ ((widget_instance *, Widget, widget_value *));
+static void activate_button P_ ((Widget, XtPointer, XtPointer));
+static Widget make_dialog P_ ((char *, Widget, Boolean, char *, char *,
+ Boolean, Boolean, Boolean, int, int));
+static destroyed_instance* find_matching_instance P_ ((widget_instance*));
+static void mark_dead_instance_destroyed P_ ((Widget, XtPointer, XtPointer));
+static void recenter_widget P_ ((Widget));
+static Widget recycle_instance P_ ((destroyed_instance*));
+Widget xm_create_dialog P_ ((widget_instance*));
+static Widget make_menubar P_ ((widget_instance*));
+static void remove_grabs P_ ((Widget, XtPointer, XtPointer));
+static Widget make_popup_menu P_ ((widget_instance*));
+static Widget make_main P_ ((widget_instance*));
+void xm_destroy_instance P_ ((widget_instance*));
+void xm_popup_menu P_ ((Widget, XEvent *));
+static void set_min_dialog_size P_ ((Widget));
+static void do_call P_ ((Widget, XtPointer, enum do_call_type));
+static void xm_generic_callback P_ ((Widget, XtPointer, XtPointer));
+static void xm_nosel_callback P_ ((Widget, XtPointer, XtPointer));
+static void xm_pull_down_callback P_ ((Widget, XtPointer, XtPointer));
+static void xm_pop_down_callback P_ ((Widget, XtPointer, XtPointer));
+void xm_set_keyboard_focus P_ ((Widget, Widget));
+void xm_set_main_areas P_ ((Widget, Widget, Widget));
+static void xm_internal_update_other_instances P_ ((Widget, XtPointer,
+ XtPointer));
+static void xm_arm_callback P_ ((Widget, XtPointer, XtPointer));
+
+#if 0
+void xm_update_one_widget P_ ((widget_instance *, Widget, widget_value *,
+ Boolean));
+void xm_pop_instance P_ ((widget_instance*, Boolean));
+void xm_manage_resizing P_ ((Widget, Boolean));
+#endif
+
+
+#if 0
+
+/* Print the complete X resource name of widget WIDGET to stderr.
+ This is sometimes handy to have available. */
+
+void
+x_print_complete_resource_name (widget)
+ Widget widget;
+{
+ int i;
+ String names[100];
+
+ for (i = 0; i < 100 && widget != NULL; ++i)
+ {
+ names[i] = XtName (widget);
+ widget = XtParent (widget);
+ }
+
+ for (--i; i >= 1; --i)
+ fprintf (stderr, "%s.", names[i]);
+ fprintf (stderr, "%s\n", names[0]);
+}
+
+#endif /* 0 */
+
+
+static destroyed_instance *all_destroyed_instances = NULL;
static destroyed_instance*
make_destroyed_instance (name, type, widget, parent, pop_up_p)
instance->next = NULL;
return instance;
}
-
+
static void
free_destroyed_instance (instance)
destroyed_instance* instance;
lw_motif_widget_p (widget)
Widget widget;
{
- return
+ return
XtClass (widget) == xmDialogShellWidgetClass
|| XmIsPrimitive (widget) || XmIsManager (widget) || XmIsGadget (widget);
}
{
XtResource resource;
XmString result = 0;
-
+
resource.resource_name = name;
resource.resource_class = XmCXmString;
resource.resource_type = XmRXmString;
return result;
}
+/* Destroy all of the children of WIDGET
+ starting with number FIRST_CHILD_TO_DESTROY. */
+
static void
-destroy_all_children (widget)
+destroy_all_children (widget, first_child_to_destroy)
Widget widget;
+ int first_child_to_destroy;
{
Widget* children;
unsigned int number;
children = XtCompositeChildren (widget, &number);
if (children)
{
- /* Unmanage all children and destroy them. They will only be
- * really destroyed when we get out of DispatchEvent. */
- for (i = 0; i < number; i++)
+ XtUnmanageChildren (children + first_child_to_destroy,
+ number - first_child_to_destroy);
+
+ /* Unmanage all children and destroy them. They will only be
+ really destroyed when we get out of DispatchEvent. */
+ for (i = first_child_to_destroy; i < number; i++)
{
- Widget child = children [i];
- if (!child->core.being_destroyed)
- {
- XtUnmanageChild (child);
- XtDestroyWidget (child);
- }
+ Arg al[2];
+ Widget submenu = 0;
+ /* Cascade buttons have submenus,and these submenus
+ need to be freed. But they are not included in
+ XtCompositeChildren. So get it out of the cascade button
+ and free it. If this child is not a cascade button,
+ then submenu should remain unchanged. */
+ XtSetArg (al[0], XmNsubMenuId, &submenu);
+ XtGetValues (children[i], al, 1);
+ if (submenu)
+ {
+ destroy_all_children (submenu, 0);
+ XtDestroyWidget (submenu);
+ }
+ XtDestroyWidget (children[i]);
}
+
XtFree ((char *) children);
}
}
-\f/* update the label of anything subclass of a label */
+
+\f
+/* Callback XmNarmCallback and XmNdisarmCallback for buttons in a
+ menu. CLIENT_DATA contains a pointer to the widget_value
+ corresponding to widget W. CALL_DATA contains a
+ XmPushButtonCallbackStruct containing the reason why the callback
+ is called. */
+
+static void
+xm_arm_callback (w, client_data, call_data)
+ Widget w;
+ XtPointer client_data, call_data;
+{
+ XmPushButtonCallbackStruct *cbs = (XmPushButtonCallbackStruct *) call_data;
+ widget_value *wv = (widget_value *) client_data;
+ widget_instance *instance;
+
+ /* Get the id of the menu bar or popup menu this widget is in. */
+ while (w != NULL)
+ {
+ if (XmIsRowColumn (w))
+ {
+ unsigned char type = 0xff;
+
+ XtVaGetValues (w, XmNrowColumnType, &type, NULL);
+ if (type == XmMENU_BAR || type == XmMENU_POPUP)
+ break;
+ }
+
+ w = XtParent (w);
+ }
+
+ if (w != NULL)
+ {
+ instance = lw_get_widget_instance (w);
+ if (instance && instance->info->highlight_cb)
+ {
+ call_data = cbs->reason == XmCR_DISARM ? NULL : wv;
+ instance->info->highlight_cb (w, instance->info->id, call_data);
+ }
+ }
+}
+
+
+\f
+/* Update the label of widget WIDGET. WIDGET must be a Label widget
+ or a subclass of Label. WIDGET_INSTANCE is unused. VAL contains
+ the value to update.
+
+ Menus:
+
+ Emacs fills VAL->name with the text to display in the menu, and
+ sets VAL->value to null. Function make_menu_in_widget creates
+ widgets with VAL->name as resource name. This works because the
+ Label widget uses its resource name for display if no
+ XmNlabelString is set.
+
+ Dialogs:
+
+ VAL->name is again set to the resource name, but VAL->value is
+ not null, and contains the label string to display. */
+
static void
xm_update_label (instance, widget, val)
widget_instance* instance;
XmString key_string = 0;
Arg al [256];
int ac;
-
+
ac = 0;
if (val->value)
{
+ /* A label string is specified, i.e. we are in a dialog. First
+ see if it is overridden by something from the resource file. */
res_string = resource_motif_string (widget, val->value);
if (res_string)
else
{
built_string =
- XmStringCreateLtoR (val->value, XmSTRING_DEFAULT_CHARSET);
+ XmStringCreateLocalized (val->value);
XtSetArg (al [ac], XmNlabelString, built_string); ac++;
}
+
XtSetArg (al [ac], XmNlabelType, XmSTRING); ac++;
}
-
+
if (val->key)
{
- key_string = XmStringCreateLtoR (val->key, XmSTRING_DEFAULT_CHARSET);
+ key_string = XmStringCreateLocalized (val->key);
XtSetArg (al [ac], XmNacceleratorText, key_string); ac++;
}
for (cur = val->contents, i = 0; cur; cur = cur->next)
if (cur->value)
{
- XmString xmstr = XmStringCreate (cur->value, XmSTRING_DEFAULT_CHARSET);
+ XmString xmstr = XmStringCreateLocalized (cur->value);
i += 1;
XmListAddItem (widget, xmstr, 0);
if (cur->selected)
Widget widget;
widget_value* val;
{
- XtVaSetValues (widget, XmNalignment, XmALIGNMENT_CENTER, 0);
+ XtVaSetValues (widget, XmNalignment, XmALIGNMENT_CENTER, NULL);
XtRemoveAllCallbacks (widget, XmNactivateCallback);
XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
}
static void
-xm_update_cascadebutton (widget_instance* instance, Widget widget,
- widget_value* val)
+xm_update_cascadebutton (instance, widget, val)
+ widget_instance* instance;
+ Widget widget;
+ widget_value* val;
{
/* Should also rebuild the menu by calling ...update_menu... */
XtRemoveAllCallbacks (widget, XmNcascadingCallback);
{
XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
XtAddCallback (widget, XmNvalueChangedCallback,
- xm_internal_update_other_instances, instance);
+ xm_generic_callback, instance);
XtVaSetValues (widget, XmNset, val->selected,
- XmNalignment, XmALIGNMENT_BEGINNING, 0);
+ XmNalignment, XmALIGNMENT_BEGINNING, NULL);
}
static void
toggle = XtNameToWidget (widget, cur->value);
if (toggle)
{
- XtVaSetValues (toggle, XmNsensitive, cur->enabled, 0);
+ XtSetSensitive (toggle, cur->enabled);
if (!val->value && cur->selected)
- XtVaSetValues (toggle, XmNset, cur->selected, 0);
+ XtVaSetValues (toggle, XmNset, cur->selected, NULL);
if (val->value && strcmp (val->value, cur->value))
- XtVaSetValues (toggle, XmNset, False, 0);
+ XtVaSetValues (toggle, XmNset, False, NULL);
}
}
{
toggle = XtNameToWidget (widget, val->value);
if (toggle)
- XtVaSetValues (toggle, XmNset, True, 0);
+ XtVaSetValues (toggle, XmNset, True, NULL);
}
}
-\f/* update a popup menu, pulldown menu or a menubar */
-static Boolean
-all_dashes_p (s)
- char* s;
-{
- char* t;
- for (t = s; *t; t++)
- if (*t != '-')
- return False;
- return True;
-}
+\f
+/* update a popup menu, pulldown menu or a menubar */
+
+/* KEEP_FIRST_CHILDREN gives the number of initial children to keep. */
static void
-make_menu_in_widget (instance, widget, val)
+make_menu_in_widget (instance, widget, val, keep_first_children)
widget_instance* instance;
Widget widget;
widget_value* val;
+ int keep_first_children;
{
Widget* children = 0;
int num_children;
int child_index;
widget_value* cur;
Widget button = 0;
+ Widget title = 0;
Widget menu;
Arg al [256];
int ac;
Boolean menubar_p;
+ unsigned char type;
+
+ Widget* old_children;
+ unsigned int old_num_children;
+
+ /* Disable drag and drop for labels in menu bar. */
+ static char overrideTrans[] = "<Btn2Down>: Noop()";
+ XtTranslations override = XtParseTranslationTable (overrideTrans);
+
+ old_children = XtCompositeChildren (widget, &old_num_children);
/* Allocate the children array */
- for (num_children = 0, cur = val; cur; num_children++, cur = cur->next);
+ for (num_children = 0, cur = val; cur; num_children++, cur = cur->next)
+ ;
children = (Widget*)XtMalloc (num_children * sizeof (Widget));
- /* tricky way to know if this RowColumn is a menubar or a pulldown... */
- menubar_p = False;
- XtSetArg (al[0], XmNisHomogeneous, &menubar_p);
+ /* WIDGET should be a RowColumn. */
+ if (!XmIsRowColumn (widget))
+ abort ();
+
+ /* Determine whether WIDGET is a menu bar. */
+ type = -1;
+ XtSetArg (al[0], XmNrowColumnType, &type);
XtGetValues (widget, al, 1);
+ if (type != XmMENU_BAR && type != XmMENU_PULLDOWN && type != XmMENU_POPUP)
+ abort ();
+ menubar_p = type == XmMENU_BAR;
- /* add the unmap callback for popups and pulldowns */
- /*** this sounds bogus ***/
+ /* Add a callback to popups and pulldowns that is called when
+ it is made invisible again. */
if (!menubar_p)
XtAddCallback (XtParent (widget), XmNpopdownCallback,
xm_pop_down_callback, (XtPointer)instance);
- for (child_index = 0, cur = val; cur; child_index++, cur = cur->next)
- {
+ /* Preserve the first KEEP_FIRST_CHILDREN old children. */
+ for (child_index = 0, cur = val; child_index < keep_first_children;
+ child_index++, cur = cur->next)
+ children[child_index] = old_children[child_index];
+
+ /* Check that those are all we have
+ (the caller should have deleted the rest). */
+ if (old_num_children != keep_first_children)
+ abort ();
+
+ /* Create the rest. */
+ for (child_index = keep_first_children; cur; child_index++, cur = cur->next)
+ {
+ enum menu_separator separator;
+
ac = 0;
- XtSetArg (al [ac], XmNsensitive, cur->enabled); ac++;
- XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
- XtSetArg (al [ac], XmNuserData, cur->call_data); ac++;
-
+ XtSetArg (al[ac], XmNsensitive, cur->enabled); ac++;
+ XtSetArg (al[ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
+ XtSetArg (al[ac], XmNuserData, cur->call_data); ac++;
+
if (instance->pop_up_p && !cur->contents && !cur->call_data
- && !all_dashes_p (cur->name))
+ && !lw_separator_p (cur->name, &separator, 1))
{
ac = 0;
XtSetArg (al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++;
- button = XmCreateLabel (widget, cur->name, al, ac);
+ title = button = XmCreateLabel (widget, cur->name, al, ac);
}
- else if (all_dashes_p (cur->name))
+ else if (lw_separator_p (cur->name, &separator, 1))
{
- button = XmCreateSeparator (widget, cur->name, NULL, 0);
+ ac = 0;
+ XtSetArg (al[ac], XmNseparatorType, separator); ++ac;
+ button = XmCreateSeparator (widget, cur->name, al, ac);
}
else if (!cur->contents)
{
button = XmCreateCascadeButton (widget, cur->name, al, ac);
else if (!cur->call_data)
button = XmCreateLabel (widget, cur->name, al, ac);
+ else if (cur->button_type == BUTTON_TYPE_TOGGLE
+ || cur->button_type == BUTTON_TYPE_RADIO)
+ {
+ XtSetArg (al[ac], XmNset, cur->selected); ++ac;
+ XtSetArg (al[ac], XmNvisibleWhenOff, True); ++ac;
+ XtSetArg (al[ac], XmNindicatorType,
+ (cur->button_type == BUTTON_TYPE_TOGGLE
+ ? XmN_OF_MANY : XmONE_OF_MANY));
+ ++ac;
+ button = XmCreateToggleButton (widget, cur->name, al, ac);
+ XtAddCallback (button, XmNarmCallback, xm_arm_callback, cur);
+ XtAddCallback (button, XmNdisarmCallback, xm_arm_callback, cur);
+ }
else
- button = XmCreatePushButtonGadget (widget, cur->name, al, ac);
+ {
+ button = XmCreatePushButton (widget, cur->name, al, ac);
+ XtAddCallback (button, XmNarmCallback, xm_arm_callback, cur);
+ XtAddCallback (button, XmNdisarmCallback, xm_arm_callback, cur);
+ }
xm_update_label (instance, button, cur);
- /* don't add a callback to a simple label */
- if (cur->call_data)
+ /* Add a callback that is called when the button is
+ selected. Toggle buttons don't support
+ XmNactivateCallback, we use XmNvalueChangedCallback in
+ that case. Don't add a callback to a simple label. */
+ if (cur->button_type)
+ xm_update_toggle (instance, button, cur);
+ else if (cur->call_data)
XtAddCallback (button, XmNactivateCallback, xm_generic_callback,
(XtPointer)instance);
}
else
{
menu = XmCreatePulldownMenu (widget, cur->name, NULL, 0);
- make_menu_in_widget (instance, menu, cur->contents);
- XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
+
+ make_menu_in_widget (instance, menu, cur->contents, 0);
+ XtSetArg (al[ac], XmNsubMenuId, menu); ac++;
button = XmCreateCascadeButton (widget, cur->name, al, ac);
xm_update_label (instance, button, cur);
XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback,
(XtPointer)instance);
+ XtOverrideTranslations (button, override);
+
}
- children [child_index] = button;
+ children[child_index] = button;
}
- XtManageChildren (children, num_children);
-
- /* Last entry is the help button. Has to be done after managing
- * the buttons otherwise the menubar is only 4 pixels high... */
+ /* Last entry is the help button. The original comment read "Has to
+ be done after managing the buttons otherwise the menubar is only
+ 4 pixels high." This is no longer true, and to make
+ XmNmenuHelpWidget work, we need to set it before managing the
+ children.. --gerd. */
if (button)
- {
- ac = 0;
- XtSetArg (al [ac], XmNmenuHelpWidget, button); ac++;
- XtSetValues (widget, al, ac);
- }
+ XtVaSetValues (widget, XmNmenuHelpWidget, button, NULL);
+
+ if (num_children)
+ XtManageChildren (children, num_children);
XtFree ((char *) children);
+ if (old_children)
+ XtFree ((char *) old_children);
}
static void
Widget menu;
widget_value* contents;
- if (val->change == NO_CHANGE)
+ if (val->this_one_change == NO_CHANGE)
return;
/* update the sensitivity and userdata */
/* Common to all widget types */
- XtVaSetValues (widget,
- XmNsensitive, val->enabled,
- XmNuserData, val->call_data,
- 0);
+ XtSetSensitive (widget, val->enabled);
+ XtVaSetValues (widget, XmNuserData, val->call_data, NULL);
/* update the menu button as a label. */
- if (val->change >= VISIBLE_CHANGE)
- xm_update_label (instance, widget, val);
+ if (val->this_one_change >= VISIBLE_CHANGE)
+ {
+ xm_update_label (instance, widget, val);
+ if (val->button_type)
+ xm_update_toggle (instance, widget, val);
+ }
/* update the pulldown/pullaside as needed */
ac = 0;
menu = NULL;
XtSetArg (al [ac], XmNsubMenuId, &menu); ac++;
XtGetValues (widget, al, ac);
-
+
contents = val->contents;
if (!menu)
{
if (contents)
{
- menu = XmCreatePulldownMenu (XtParent (widget), XtName (widget), NULL, 0);
- make_menu_in_widget (instance, menu, contents);
- ac = 0;
- XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
- XtSetValues (widget, al, ac);
+ unsigned int old_num_children, i;
+ Widget parent;
+ Widget *widget_list;
+
+ parent = XtParent (widget);
+ widget_list = XtCompositeChildren (parent, &old_num_children);
+
+ /* Find the widget position within the parent's widget list. */
+ for (i = 0; i < old_num_children; i++)
+ if (strcmp (XtName (widget_list[i]), XtName (widget)) == 0)
+ break;
+ if (i == old_num_children)
+ abort ();
+ if (XmIsCascadeButton (widget_list[i]))
+ {
+ menu = XmCreatePulldownMenu (parent, XtName(widget), NULL, 0);
+ make_menu_in_widget (instance, menu, contents, 0);
+ ac = 0;
+ XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
+ XtSetValues (widget, al, ac);
+ }
+ else
+ {
+ Widget button;
+
+ /* The current menuitem is a XmPushButtonGadget, it
+ needs to be replaced by a CascadeButtonGadget */
+ XtDestroyWidget (widget_list[i]);
+ menu = XmCreatePulldownMenu (parent, val->name, NULL, 0);
+ make_menu_in_widget (instance, menu, contents, 0);
+ ac = 0;
+ XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
+ /* Non-zero values don't work reliably in
+ conjunction with Emacs' event loop */
+ XtSetArg (al [ac], XmNmappingDelay, 0); ac++;
+#ifdef XmNpositionIndex /* This is undefined on SCO ODT 2.0. */
+ /* Tell Motif to put it in the right place */
+ XtSetArg (al [ac], XmNpositionIndex , i); ac++;
+#endif
+ button = XmCreateCascadeButton (parent, val->name, al, ac);
+ xm_update_label (instance, button, val);
+
+ XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback,
+ (XtPointer)instance);
+ XtManageChild (button);
+ }
+
+ if (widget_list)
+ XtFree ((char*) widget_list);
}
}
else if (!contents)
widget_value* val;
Boolean deep_p;
{
+ Widget* children;
+ unsigned int num_children;
+ int num_children_to_keep = 0;
+ int i;
+ widget_value* cur;
+
+ children = XtCompositeChildren (widget, &num_children);
+
/* Widget is a RowColumn widget whose contents have to be updated
* to reflect the list of items in val->contents */
- if (val->contents->change == STRUCTURAL_CHANGE)
+
+ /* See how many buttons we can keep, and how many we
+ must completely replace. */
+ if (val->contents == 0)
+ num_children_to_keep = 0;
+ else if (val->contents->change == STRUCTURAL_CHANGE)
{
- destroy_all_children (widget);
- make_menu_in_widget (instance, widget, val->contents);
+ if (children)
+ {
+ for (i = 0, cur = val->contents;
+ (i < num_children
+ && cur); /* how else to ditch unwanted children ?? - mgd */
+ i++, cur = cur->next)
+ {
+ if (cur->this_one_change == STRUCTURAL_CHANGE)
+ break;
+ }
+
+ num_children_to_keep = i;
+ }
}
else
- {
- /* Update all the buttons of the RowColumn in order. */
- Widget* children;
- unsigned int num_children;
- int i;
- widget_value* cur;
+ num_children_to_keep = num_children;
- children = XtCompositeChildren (widget, &num_children);
- if (children)
+ /* Update all the buttons of the RowColumn, in order,
+ except for those we are going to replace entirely. */
+ if (children)
+ {
+ for (i = 0, cur = val->contents; i < num_children_to_keep; i++)
{
- for (i = 0, cur = val->contents; i < num_children; i++)
+ if (!cur)
{
- if (!cur)
- abort ();
- if (children [i]->core.being_destroyed
- || strcmp (XtName (children [i]), cur->name))
- continue;
- update_one_menu_entry (instance, children [i], cur, deep_p);
- cur = cur->next;
+ num_children_to_keep = i;
+ break;
}
- XtFree ((char *) children);
+ if (children [i]->core.being_destroyed
+ || strcmp (XtName (children [i]), cur->name))
+ continue;
+ update_one_menu_entry (instance, children [i], cur, deep_p);
+ cur = cur->next;
}
- if (cur)
- abort ();
}
+
+ /* Now replace from scratch all the buttons after the last
+ place that the top-level structure changed. */
+ if (val->contents->change == STRUCTURAL_CHANGE)
+ {
+ destroy_all_children (widget, num_children_to_keep);
+ make_menu_in_widget (instance, widget, val->contents,
+ num_children_to_keep);
+ }
+
+ XtFree ((char *) children);
}
\f
Boolean deep_p;
{
WidgetClass class;
-
+
/* Mark as not edited */
val->edited = False;
/* Common to all widget types */
- XtVaSetValues (widget,
- XmNsensitive, val->enabled,
- XmNuserData, val->call_data,
- 0);
-
+ XtSetSensitive (widget, val->enabled);
+ XtVaSetValues (widget, XmNuserData, val->call_data, NULL);
+
/* Common to all label like widgets */
if (XtIsSubclass (widget, xmLabelWidgetClass))
xm_update_label (instance, widget, val);
-
+
class = XtClass (widget);
/* Class specific things */
if (class == xmPushButtonWidgetClass ||
Boolean radiobox = 0;
int ac = 0;
Arg al [1];
-
+
XtSetArg (al [ac], XmNradioBehavior, &radiobox); ac++;
XtGetValues (widget, al, ac);
-
+
if (radiobox)
xm_update_radiobox (instance, widget, val);
else
val->call_data = old_wv->call_data;
break;
}
-
+
if (class == xmToggleButtonWidgetClass || class == xmToggleButtonGadgetClass)
{
- XtVaGetValues (widget, XmNset, &val->selected, 0);
+ XtVaGetValues (widget, XmNset, &val->selected, NULL);
val->edited = True;
}
else if (class == xmTextWidgetClass)
{
- if (val->value)
- free (val->value);
+ free (val->value);
val->value = XmTextGetString (widget);
val->edited = True;
}
else if (class == xmTextFieldWidgetClass)
{
- if (val->value)
- free (val->value);
+ free (val->value);
val->value = XmTextFieldGetString (widget);
val->edited = True;
}
Boolean radiobox = 0;
int ac = 0;
Arg al [1];
-
+
XtSetArg (al [ac], XmNradioBehavior, &radiobox); ac++;
XtGetValues (widget, al, ac);
-
+
if (radiobox)
{
CompositeWidget radio = (CompositeWidget)widget;
{
int set = False;
Widget toggle = radio->composite.children [i];
-
- XtVaGetValues (toggle, XmNset, &set, 0);
+
+ XtVaGetValues (toggle, XmNset, &set, NULL);
if (set)
{
- if (val->value)
- free (val->value);
+ free (val->value);
val->value = safe_strdup (XtName (toggle));
}
}
/* This function is for activating a button from a program. It's wrong because
we pass a NULL argument in the call_data which is not Motif compatible.
This is used from the XmNdefaultAction callback of the List widgets to
- have a dble-click put down a dialog box like the button woudl do.
+ have a double-click put down a dialog box like the button would do.
I could not find a way to do that with accelerators.
*/
static void
-activate_button (Widget widget, XtPointer closure, XtPointer call_data)
+activate_button (widget, closure, call_data)
+ Widget widget;
+ XtPointer closure;
+ XtPointer call_data;
{
Widget button = (Widget)closure;
XtCallCallbacks (button, XmNactivateCallback, NULL);
/* creation functions */
+/* Called for key press in dialogs. Used to pop down dialog on ESC. */
+static void
+dialog_key_cb (widget, closure, event, continue_to_dispatch)
+ Widget widget;
+ XtPointer closure;
+ XEvent *event;
+ Boolean *continue_to_dispatch;
+{
+ KeySym sym = 0;
+ Modifiers modif_ret;
+
+ XtTranslateKeycode (event->xkey.display, event->xkey.keycode, 0,
+ &modif_ret, &sym);
+
+ if (sym == osfXK_Cancel)
+ {
+ Widget w = *((Widget *) closure);
+
+ while (w && ! XtIsShell (w))
+ w = XtParent (w);
+
+ if (XtIsShell (w)) XtPopdown (w);
+ }
+
+ *continue_to_dispatch = TRUE;
+}
+
/* dialogs */
static Widget
make_dialog (name, parent, pop_up_p, shell_title, icon_name, text_input_slot,
Arg al[64]; /* Arg List */
int ac; /* Arg Count */
int i;
-
+
if (pop_up_p)
{
ac = 0;
n_children = left_buttons + right_buttons + 1;
ac = 0;
- XtSetArg(al[ac], XmNpacking, n_children == 3?
+ XtSetArg(al[ac], XmNpacking, n_children == 3?
XmPACK_COLUMN: XmPACK_TIGHT); ac++;
- XtSetArg(al[ac], XmNorientation, n_children == 3?
+ XtSetArg(al[ac], XmNorientation, n_children == 3?
XmVERTICAL: XmHORIZONTAL); ac++;
XtSetArg(al[ac], XmNnumColumns, left_buttons + right_buttons + 1); ac++;
XtSetArg(al[ac], XmNmarginWidth, 0); ac++;
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
XtSetArg(al[ac], XmNrightOffset, 13); ac++;
row = XmCreateRowColumn (form, "row", al, ac);
-
+
n_children = 0;
for (i = 0; i < left_buttons; i++)
{
XtSetArg(al[ac], XmNmarginWidth, 10); ac++;
XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
children [n_children] = XmCreatePushButton (row, button_name, al, ac);
+ XtAddEventHandler (children [n_children],
+ KeyPressMask, False, dialog_key_cb, result);
if (i == 0)
{
n_children++;
}
- /* invisible seperator button */
+ /* invisible separator button */
ac = 0;
XtSetArg (al[ac], XmNmappedWhenManaged, FALSE); ac++;
children [n_children] = XmCreateLabel (row, "separator_button", al, ac);
n_children++;
-
+
for (i = 0; i < right_buttons; i++)
{
char button_name [16];
XtSetArg(al[ac], XmNmarginWidth, 10); ac++;
XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
children [n_children] = XmCreatePushButton (row, button_name, al, ac);
+ XtAddEventHandler (children [n_children],
+ KeyPressMask, False, dialog_key_cb, result);
+
if (! button) button = children [n_children];
n_children++;
}
-
+
XtManageChildren (children, n_children);
-
+
ac = 0;
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
list activate the default button */
XtAddCallback (value, XmNdefaultActionCallback, activate_button, button);
}
-
+
ac = 0;
XtSetArg(al[ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++;
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
XtSetArg(al[ac], XmNrightOffset, 13); ac++;
message = XmCreateLabel (form, "message", al, ac);
-
+
if (list)
XtManageChild (value);
children [i] = icon; i++;
children [i] = icon_separator; i++;
XtManageChildren (children, i);
-
+
if (text_input_slot || list)
{
XtInstallAccelerators (value, button);
XtInstallAccelerators (form, button);
XtSetKeyboardFocus (result, button);
}
-
+
return result;
}
Position x;
Position y;
- XtVaGetValues (widget, XtNwidth, &child_width, XtNheight, &child_height, 0);
+ XtVaGetValues (widget, XtNwidth, &child_width, XtNheight, &child_height, NULL);
XtVaGetValues (parent, XtNwidth, &parent_width, XtNheight, &parent_height,
- 0);
+ NULL);
x = (((Position)parent_width) - ((Position)child_width)) / 2;
y = (((Position)parent_height) - ((Position)child_height)) / 2;
-
+
XtTranslateCoords (parent, x, y, &x, &y);
if (x + child_width > screen_width)
if (y < 0)
y = 0;
- XtVaSetValues (widget, XtNx, x, XtNy, y, 0);
+ XtVaSetValues (widget, XtNx, x, XtNy, y, NULL);
}
static Widget
focus = XtNameToWidget (widget, "*button1");
if (focus)
XtSetKeyboardFocus (widget, focus);
-
+
/* shrink the separator label back to their original size */
separator = XtNameToWidget (widget, "*separator_button");
if (separator)
- XtVaSetValues (separator, XtNwidth, 5, XtNheight, 5, 0);
+ XtVaSetValues (separator, XtNwidth, 5, XtNheight, 5, NULL);
/* Center the dialog in its parent */
recenter_widget (widget);
Widget widget;
Boolean pop_up_p = instance->pop_up_p;
char* shell_name = 0;
- char* icon_name;
+ char* icon_name = 0;
Boolean text_input_slot = False;
Boolean radio_box = False;
Boolean list = False;
shell_name = "Question";
break;
}
-
+
total_buttons = name [1] - '0';
if (name [3] == 'T' || name [3] == 't')
}
else if (name [3])
right_buttons = name [4] - '0';
-
+
left_buttons = total_buttons - right_buttons;
-
+
widget = make_dialog (name, parent, pop_up_p,
shell_name, icon_name, text_input_slot, radio_box,
list, left_buttons, right_buttons);
XtAddCallback (widget, XmNpopdownCallback, xm_nosel_callback,
(XtPointer) instance);
+
return widget;
}
+/* Create a menu bar. We turn off the f10 key
+ because we have not yet managed to make it work right in Motif. */
+
static Widget
make_menubar (instance)
widget_instance* instance;
{
- return XmCreateMenuBar (instance->parent, instance->info->name, NULL, 0);
+ Arg al[3];
+ int ac;
+
+ ac = 0;
+ XtSetArg(al[ac], XmNmenuAccelerator, 0); ++ac;
+ return XmCreateMenuBar (instance->parent, instance->info->name, al, ac);
}
static void
parent->core.window = parent_window;
return result;
}
+
static Widget
make_main (instance)
widget_instance* instance;
#endif /* ENERGIZE */
widget_creation_entry
-xm_creation_table [] =
+xm_creation_table [] =
{
{"menubar", make_menubar},
{"popup", make_popup_menu},
\f/* popup utility */
void
-xm_popup_menu (widget)
+xm_popup_menu (widget, event)
Widget widget;
+ XEvent *event;
{
XButtonPressedEvent dummy;
- XEvent* event;
-
- dummy.type = ButtonPress;
- dummy.serial = 0;
- dummy.send_event = 0;
- dummy.display = XtDisplay (widget);
- dummy.window = XtWindow (XtParent (widget));
- dummy.time = 0;
- dummy.button = 0;
- XQueryPointer (dummy.display, dummy.window, &dummy.root,
- &dummy.subwindow, &dummy.x_root, &dummy.y_root,
- &dummy.x, &dummy.y, &dummy.state);
- event = (XEvent *) &dummy;
+
+ if (event == 0)
+ {
+ dummy.type = ButtonPress;
+ dummy.serial = 0;
+ dummy.send_event = 0;
+ dummy.display = XtDisplay (widget);
+ dummy.window = XtWindow (XtParent (widget));
+ dummy.time = 0;
+ dummy.button = 0;
+ XQueryPointer (dummy.display, dummy.window, &dummy.root,
+ &dummy.subwindow, &dummy.x_root, &dummy.y_root,
+ &dummy.x, &dummy.y, &dummy.state);
+ event = (XEvent *) &dummy;
+ }
if (event->type == ButtonPress || event->type == ButtonRelease)
{
- /* This is so totally ridiculous: there's NO WAY to tell Motif
- that *any* button can select a menu item. Only one button
- can have that honor.
- */
- char *trans = 0;
- if (event->xbutton.state & Button5Mask) trans = "<Btn5Down>";
- else if (event->xbutton.state & Button4Mask) trans = "<Btn4Down>";
- else if (event->xbutton.state & Button3Mask) trans = "<Btn3Down>";
- else if (event->xbutton.state & Button2Mask) trans = "<Btn2Down>";
- else if (event->xbutton.state & Button1Mask) trans = "<Btn1Down>";
- if (trans) XtVaSetValues (widget, XmNmenuPost, trans, 0);
+ /* Setting the menuPost resource only required by Motif 1.1 and
+ LessTif 0.84 and earlier. With later versions of LessTif,
+ setting menuPost is unnecessary and may cause problems, so
+ don't do it. */
+#if XmVersion < 1002 || (defined LESSTIF_VERSION && LESSTIF_VERSION < 84)
+ {
+ /* This is so totally ridiculous: there's NO WAY to tell Motif
+ that *any* button can select a menu item. Only one button
+ can have that honor. */
+
+ char *trans = 0;
+ if (event->xbutton.state & Button5Mask) trans = "<Btn5Down>";
+ else if (event->xbutton.state & Button4Mask) trans = "<Btn4Down>";
+ else if (event->xbutton.state & Button3Mask) trans = "<Btn3Down>";
+ else if (event->xbutton.state & Button2Mask) trans = "<Btn2Down>";
+ else if (event->xbutton.state & Button1Mask) trans = "<Btn1Down>";
+ if (trans) XtVaSetValues (widget, XmNmenuPost, trans, NULL);
+ }
+#endif
+
XmMenuPosition (widget, (XButtonPressedEvent *) event);
}
+
XtManageChild (widget);
}
{
short width;
short height;
- XtVaGetValues (w, XmNwidth, &width, XmNheight, &height, 0);
- XtVaSetValues (w, XmNminWidth, width, XmNminHeight, height, 0);
+ XtVaGetValues (w, XmNwidth, &width, XmNheight, &height, NULL);
+ XtVaSetValues (w, XmNminWidth, width, XmNminHeight, height, NULL);
}
void
if (up)
XtManageChild (widget);
else
- XtUnmanageChild (widget);
+ XtUnmanageChild (widget);
}
}
\f
-/* motif callback */
-
-enum do_call_type { pre_activate, selection, no_selection, post_activate };
+/* motif callback */
static void
do_call (widget, closure, type)
user_data = NULL;
XtSetArg (al [ac], XmNuserData, &user_data); ac++;
XtGetValues (widget, al, ac);
+
switch (type)
{
case pre_activate:
if (instance->info->pre_activate_cb)
instance->info->pre_activate_cb (widget, id, user_data);
break;
+
case selection:
if (instance->info->selection_cb)
instance->info->selection_cb (widget, id, user_data);
break;
+
case no_selection:
if (instance->info->selection_cb)
instance->info->selection_cb (widget, id, (XtPointer) -1);
break;
+
case post_activate:
if (instance->info->post_activate_cb)
instance->info->post_activate_cb (widget, id, user_data);
break;
+
default:
abort ();
}
}
/* Like lw_internal_update_other_instances except that it does not do
- anything if its shell parent is not managed. This is to protect
+ anything if its shell parent is not managed. This is to protect
lw_internal_update_other_instances to dereference freed memory
if the widget was ``destroyed'' by caching it in the all_destroyed_instances
list */
XtPointer closure;
XtPointer call_data;
{
- /* This callback is only called when a dialog box is dismissed with the wm's
- destroy button (WM_DELETE_WINDOW.) We want the dialog box to be destroyed
- in that case, not just unmapped, so that it releases its keyboard grabs.
- But there are problems with running our callbacks while the widget is in
- the process of being destroyed, so we set XmNdeleteResponse to XmUNMAP
- instead of XmDESTROY and then destroy it ourself after having run the
- callback.
- */
+ /* This callback is only called when a dialog box is dismissed with
+ the wm's destroy button (WM_DELETE_WINDOW.) We want the dialog
+ box to be destroyed in that case, not just unmapped, so that it
+ releases its keyboard grabs. But there are problems with running
+ our callbacks while the widget is in the process of being
+ destroyed, so we set XmNdeleteResponse to XmUNMAP instead of
+ XmDESTROY and then destroy it ourself after having run the
+ callback. */
do_call (widget, closure, no_selection);
XtDestroyWidget (widget);
}
XtPointer closure;
XtPointer call_data;
{
- do_call (widget, closure, pre_activate);
+ Widget parent = XtParent (widget);
+
+ if (XmIsRowColumn (parent))
+ {
+ unsigned char type = 0xff;
+ XtVaGetValues (parent, XmNrowColumnType, &type, NULL);
+ if (type == XmMENU_BAR)
+ do_call (widget, closure, pre_activate);
+ }
}
+
+/* XmNpopdownCallback for MenuShell widgets. WIDGET is the MenuShell,
+ CLOSURE is a pointer to the widget_instance of the shell,
+
+ Note that this callback is called for each cascade button in a
+ menu, whether or not its submenu is visible. */
+
static void
xm_pop_down_callback (widget, closure, call_data)
Widget widget;
{
widget_instance *instance = (widget_instance *) closure;
- if ((!instance->pop_up_p && (XtParent (widget) == instance->widget))
- || (XtParent (widget) == instance->parent))
+ if ((!instance->pop_up_p && XtParent (widget) == instance->widget)
+ || XtParent (widget) == instance->parent)
do_call (widget, closure, post_activate);
}
Widget w;
Boolean flag;
{
- if (flag)
- {
- /* Enable the edit widget for resizing. */
- Arg al[1];
-
- XtSetArg (al[0], XtNallowShellResize, 0);
- XtSetValues (w, al, 1);
- }
- else
- {
- /* Disable the edit widget from resizing. */
- Arg al[1];
-
- XtSetArg (al[0], XtNallowShellResize, 0);
- XtSetValues (w, al, 1);
- }
+ XtVaSetValues (w, XtNallowShellResize, flag, NULL);
}
+
+/* arch-tag: 73976f64-73b2-4600-aa13-d9ede20ee965
+ (do not change this comment) */