the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include <stdlib.h>
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <unistd.h>
-#include <string.h>
#include <stdio.h>
#include <X11/StringDefs.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 */);
+#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 */
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));
+static void xm_unmap_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
+
+
+static destroyed_instance *all_destroyed_instances = NULL;
static destroyed_instance*
make_destroyed_instance (name, type, widget, parent, pop_up_p)
}
}
-\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 (1)
+ {
+ if (XmIsRowColumn (w))
+ {
+ unsigned char type = 0xff;
+
+ XtVaGetValues (w, XmNrowColumnType, &type, NULL);
+ if (type == XmMENU_BAR || type == XmMENU_POPUP)
+ break;
+ }
+
+ w = XtParent (w);
+ }
+
+ 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)
XmStringCreateLtoR (val->value, XmSTRING_DEFAULT_CHARSET);
XtSetArg (al [ac], XmNlabelString, built_string); ac++;
}
+
XtSetArg (al [ac], XmNlabelType, XmSTRING); ac++;
}
{
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);
}
}
}
-\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. */
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;
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);
- XtGetValues (widget, al, 1);
+ /* WIDGET should be a RowColumn. */
+ if (!XmIsRowColumn (widget))
+ abort ();
- /* add the unmap callback for popups and pulldowns */
- /*** this sounds bogus ***/
+ /* 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;
+
+#if 0 /* This can't be used in LessTif as of 2000-01-24 because it's
+ impossible to decide from this plus the cascading callback if a
+ popup is still posted or not. When selecting cascade button A,
+ then B, then clicking on the frame, the sequence of callbacks is
+ `cascading A', cascading B', `popdown for all cascade buttons in
+ the menu bar. */
+ /* 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);
+#endif
/* Preserve the first KEEP_FIRST_CHILDREN old children. */
for (child_index = 0, cur = val; child_index < keep_first_children;
/* 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);
+
+ /* XmNpopdownCallback is working strangely under LessTif.
+ Using XmNunmapCallback is the only way to go there. */
+ if (menubar_p)
+ XtAddCallback (menu, XmNunmapCallback, xm_unmap_callback,
+ (XtPointer) instance);
+
make_menu_in_widget (instance, menu, cur->contents, 0);
- XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
- button = XmCreateCascadeButtonGadget (widget, cur->name, al, ac);
+ XtSetArg (al[ac], XmNsubMenuId, menu); ac++;
+ button = XmCreateCascadeButton (widget, cur->name, al, ac);
xm_update_label (instance, button, cur);
(XtPointer)instance);
}
- 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, 0);
+
+ /* LessTif apparently doesn't recompute centered text when more
+ widgets are added. So, do it after all widgets have been
+ created. */
+ if (title)
+ XtVaSetValues (title, XmNalignment, XmALIGNMENT_CENTER, 0);
+
+ if (num_children)
+ XtManageChildren (children, num_children);
XtFree ((char *) children);
if (old_children)
/* update the menu button as a label. */
if (val->this_one_change >= VISIBLE_CHANGE)
- xm_update_label (instance, widget, val);
+ {
+ xm_update_label (instance, widget, val);
+ if (val->button_type)
+ xm_update_toggle (instance, widget, val);
+ }
/* update the pulldown/pullaside as needed */
ac = 0;
{
if (contents)
{
- menu = XmCreatePulldownMenu (XtParent (widget), XtName (widget), NULL, 0);
- make_menu_in_widget (instance, menu, contents, 0);
- 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);
+ }
}
}
else if (!contents)
{
if (children)
{
- for (i = 0, cur = val->contents; i < num_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)
for (i = 0, cur = val->contents; i < num_children_to_keep; i++)
{
if (!cur)
- abort ();
+ {
+ num_children_to_keep = i;
+ break;
+ }
if (children [i]->core.being_destroyed
|| strcmp (XtName (children [i]), cur->name))
continue;
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;
+
+#if 0
+ /* As of 2000-01-17, the LessTif menu bar resizes to height 0 when
+ all its children are removed, causing an annoying flickering
+ behavior. Prevent that by not allowing resizing. */
+ XtSetArg(al[ac], XmNresizeHeight, False); ++ac;
+ XtSetArg(al[ac], XmNresizeWidth, False); ++ac;
+#endif
+
+ 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;
\f
/* motif callback */
-enum do_call_type { pre_activate, selection, no_selection, post_activate };
-
static void
do_call (widget, closure, type)
Widget 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, CALL_DATA
+ is always null under LessTif.
+
+ 2000-01-23: 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;
do_call (widget, closure, post_activate);
}
+static void
+xm_unmap_callback (widget, closure, call_data)
+ Widget widget;
+ XtPointer closure;
+ XtPointer call_data;
+{
+ widget_instance *instance = (widget_instance *) closure;
+ if (!instance->pop_up_p)
+ do_call (widget, closure, post_activate);
+}
+
\f
/* set the keyboard focus */
void
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);
}
HCoop / bpt / emacs.git / blobdiff