mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-30 08:09:04 +00:00
318 lines
6.8 KiB
C
318 lines
6.8 KiB
C
#include "lwlib-Xol.h"
|
||
#include <X11/StringDefs.h>
|
||
#include <X11/IntrinsicP.h>
|
||
#include <X11/CompositeP.h>
|
||
#include <X11/Shell.h>
|
||
#include <Xol/Menu.h>
|
||
#include <Xol/OpenLook.h>
|
||
#include <Xol/MenuButton.h>
|
||
#include <Xol/OblongButt.h>
|
||
#include <Xol/ControlAre.h>
|
||
#include <Xol/Stub.h>
|
||
#include <Xol/StaticText.h>
|
||
|
||
/* forward declarations */
|
||
static void
|
||
update_menu_widget (widget_instance* instance, Widget widget,
|
||
widget_value* val);
|
||
|
||
/* Menu callbacks */
|
||
static void
|
||
pre_hook (Widget w, caddr_t client_data, caddr_t call_data)
|
||
{
|
||
OlVirtualEvent ve = (OlVirtualEvent)call_data;
|
||
widget_instance* instance = (widget_instance*)client_data;
|
||
|
||
if (w->core.being_destroyed)
|
||
return;
|
||
|
||
if (XtParent (w) == instance->widget)
|
||
{
|
||
if (ve->xevent->type == ButtonPress && instance->info->pre_activate_cb)
|
||
instance->info->pre_activate_cb (instance->widget, instance->info->id,
|
||
NULL);
|
||
}
|
||
}
|
||
|
||
static void
|
||
post_hook (Widget w, caddr_t client_data, caddr_t call_data)
|
||
{
|
||
widget_instance* instance = (widget_instance*)client_data;
|
||
|
||
if (w->core.being_destroyed)
|
||
return;
|
||
|
||
if (instance->info->post_activate_cb)
|
||
instance->info->post_activate_cb (w, instance->info->id, NULL);
|
||
}
|
||
|
||
static void
|
||
pick_hook (Widget w, caddr_t client_data, caddr_t call_data)
|
||
{
|
||
widget_instance* instance = 0;
|
||
widget_value* val = (widget_value*)client_data;
|
||
|
||
if (w->core.being_destroyed)
|
||
return;
|
||
|
||
XtVaGetValues (w, XtNuserData, &instance, 0);
|
||
|
||
if (!instance)
|
||
return;
|
||
|
||
if (instance->info->selection_cb && val && val->enabled
|
||
&& !val->contents)
|
||
instance->info->selection_cb (w, instance->info->id, val->call_data);
|
||
}
|
||
|
||
/* creation functions */
|
||
static Widget
|
||
xol_create_menubar (widget_instance* instance)
|
||
{
|
||
Widget widget =
|
||
XtVaCreateWidget (instance->info->name, controlAreaWidgetClass,
|
||
instance->parent, 0);
|
||
return widget;
|
||
}
|
||
|
||
static Widget
|
||
xol_create_popup_menu (widget_instance* instance)
|
||
{
|
||
Widget popup_shell =
|
||
XtCreatePopupShell (instance->info->name, menuShellWidgetClass,
|
||
instance->parent, NULL, 0);
|
||
return popup_shell;
|
||
}
|
||
|
||
widget_creation_entry
|
||
xol_creation_table [] =
|
||
{
|
||
{"menubar", xol_create_menubar},
|
||
{"popup", xol_create_popup_menu},
|
||
{NULL, NULL}
|
||
};
|
||
|
||
Widget
|
||
xol_create_dialog (widget_instance* instance)
|
||
{
|
||
return NULL;
|
||
}
|
||
|
||
Boolean
|
||
lw_olit_widget_p (Widget widget)
|
||
{
|
||
return True;
|
||
}
|
||
|
||
/* update functions */
|
||
static void
|
||
destroy_all_children (Widget widget)
|
||
{
|
||
Widget* children;
|
||
unsigned int number;
|
||
int i;
|
||
|
||
children = (Widget *) 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++)
|
||
{
|
||
Widget child = children [i];
|
||
if (!child->core.being_destroyed)
|
||
{
|
||
XtUnmanageChild (child);
|
||
XtDestroyWidget (child);
|
||
}
|
||
}
|
||
XtFree (children);
|
||
}
|
||
}
|
||
|
||
static Boolean
|
||
all_dashes_p (char* s)
|
||
{
|
||
char* t;
|
||
for (t = s; *t; t++)
|
||
if (*t != '-')
|
||
return False;
|
||
return True;
|
||
}
|
||
|
||
static void
|
||
make_menu_in_widget (widget_instance* instance, Widget widget,
|
||
widget_value* val)
|
||
{
|
||
widget_value* cur;
|
||
Widget button;
|
||
Arg al [256];
|
||
int ac;
|
||
String label;
|
||
|
||
for (cur = val; cur; cur = cur->next)
|
||
{
|
||
ac = 0;
|
||
XtSetArg (al [ac], XtNsensitive, cur->enabled); ac++;
|
||
XtSetArg (al [ac], XtNuserData, instance); ac++;
|
||
XtSetArg (al [ac], XtNacceleratorText, cur->key); ac++;
|
||
|
||
/* label = (char *) resource_string (widget, cur->name);*/
|
||
label = cur->name;
|
||
if (label)
|
||
{
|
||
XtSetArg (al [ac], XtNlabel, label); ac++;
|
||
}
|
||
|
||
if (all_dashes_p (cur->name))
|
||
{
|
||
/* no separator in OpenLook just make some space. */
|
||
XtSetArg (al [ac], XtNheight, 5); ac++;
|
||
XtSetArg (al [ac], XtNwidth, 5); ac++;
|
||
button = XtCreateWidget (cur->name, stubWidgetClass, widget, al, ac);
|
||
}
|
||
else if (!cur->contents)
|
||
{
|
||
if (!cur->call_data)
|
||
button =
|
||
XtCreateManagedWidget (cur->name, staticTextWidgetClass, widget,
|
||
al, ac);
|
||
else
|
||
{
|
||
button =
|
||
XtCreateManagedWidget (cur->name, oblongButtonWidgetClass,
|
||
widget, al, ac);
|
||
XtAddCallback (button, XtNselect, pick_hook, cur);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
Widget menu = NULL;
|
||
button =
|
||
XtCreateManagedWidget (cur->name, menuButtonWidgetClass, widget,
|
||
al, ac);
|
||
XtVaGetValues (button, XtNmenuPane, &menu, 0);
|
||
if (!menu)
|
||
abort ();
|
||
make_menu_in_widget (instance, menu, cur->contents);
|
||
OlAddCallback (button, XtNconsumeEvent, pre_hook, instance);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
update_one_menu_entry (widget_instance* instance, Widget widget,
|
||
widget_value* val)
|
||
{
|
||
Arg al [256];
|
||
int ac;
|
||
Widget menu;
|
||
widget_value* contents;
|
||
|
||
if (val->change == NO_CHANGE)
|
||
return;
|
||
|
||
/* update the sensitivity */
|
||
XtVaSetValues (widget, XtNsensitive, val->enabled, 0);
|
||
|
||
/* update the pulldown/pullaside as needed */
|
||
ac = 0;
|
||
menu = NULL;
|
||
XtVaGetValues (widget, XtNmenuPane, &menu, 0);
|
||
contents = val->contents;
|
||
|
||
if (!menu)
|
||
{
|
||
if (contents)
|
||
{
|
||
/* in OLIT this woudl have to be a structural change on the
|
||
button. */
|
||
abort ();
|
||
}
|
||
}
|
||
else if (!contents)
|
||
{
|
||
/* in OLIT this woudl have to be a structural change on the button. */
|
||
abort ();
|
||
}
|
||
else if (contents->change != NO_CHANGE)
|
||
update_menu_widget (instance, menu, val);
|
||
}
|
||
|
||
static void
|
||
update_menu_widget (widget_instance* instance, Widget widget,
|
||
widget_value* val)
|
||
|
||
{
|
||
if (val->change == STRUCTURAL_CHANGE
|
||
|| val->contents->change == STRUCTURAL_CHANGE)
|
||
{
|
||
destroy_all_children (widget);
|
||
make_menu_in_widget (instance, widget, val->contents);
|
||
}
|
||
else
|
||
{
|
||
/* Update all the buttons of the composite widget in order. */
|
||
Widget* children;
|
||
unsigned int num_children;
|
||
int i;
|
||
widget_value* cur;
|
||
|
||
children = (Widget *) XtCompositeChildren (widget, &num_children);
|
||
if (children)
|
||
{
|
||
for (i = 0, cur = val->contents; i < num_children; i++)
|
||
{
|
||
if (!cur)
|
||
abort ();
|
||
if (children [i]->core.being_destroyed
|
||
|| strcmp (XtName (children [i]), cur->name))
|
||
continue;
|
||
update_one_menu_entry (instance, children [i], cur);
|
||
cur = cur->next;
|
||
}
|
||
XtFree (children);
|
||
}
|
||
if (cur)
|
||
abort ();
|
||
}
|
||
}
|
||
|
||
void
|
||
xol_update_one_widget (widget_instance* instance, Widget widget,
|
||
widget_value* val, Boolean deep_p)
|
||
{
|
||
Widget menu = widget;
|
||
|
||
if (XtIsShell (widget))
|
||
XtVaGetValues (widget, XtNmenuPane, &menu, 0);
|
||
|
||
update_menu_widget (instance, menu, val);
|
||
}
|
||
|
||
void
|
||
xol_update_one_value (widget_instance* instance, Widget widget,
|
||
widget_value* val)
|
||
{
|
||
return;
|
||
}
|
||
|
||
void
|
||
xol_pop_instance (widget_instance* instance, Boolean up)
|
||
{
|
||
}
|
||
|
||
void
|
||
xol_popup_menu (Widget widget)
|
||
{
|
||
OlMenuPost (widget);
|
||
}
|
||
|
||
/* Destruction of instances */
|
||
void
|
||
xol_destroy_instance (widget_instance* instance)
|
||
{
|
||
XtDestroyWidget (instance->widget);
|
||
}
|
||
|