*
*/
-#ifdef XDEBUG
+/* Modified by Fred Pierresteguy on December 93
+ to make the popup menus and menubar use the Xt. */
+
#include <stdio.h>
-#endif
/* On 4.3 this loses if it comes after xterm.h. */
#include <signal.h>
#include <config.h>
#include "lisp.h"
+#include "termhooks.h"
#include "frame.h"
#include "window.h"
#include "keyboard.h"
#include <X/XMenu.h>
#endif
+#ifdef USE_X_TOOLKIT
+#include <X11/Xlib.h>
+#include <X11/IntrinsicP.h>
+#include <X11/CoreP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/Paned.h>
+#include "../lwlib/lwlib.h"
+#include "../lwlib/xlwmenuP.h"
+#endif /* USE_X_TOOLKIT */
+
#define min(x,y) (((x) < (y)) ? (x) : (y))
#define max(x,y) (((x) > (y)) ? (x) : (y))
#endif /* not HAVE_X11 */
extern Lisp_Object Qmenu_enable;
+extern Lisp_Object Qmenu_bar;
Lisp_Object xmenu_show ();
extern int x_error_handler ();
+#ifdef USE_X_TOOLKIT
+static widget_value *set_menu_items ();
+static int string_width ();
+static void free_menu_items ();
+#endif
+
+/* we need a unique id for each popup menu and dialog box */
+unsigned int popup_id_tick;
/*************************************************************/
}
#endif
+\f
DEFUN ("x-popup-menu",Fx_popup_menu, Sx_popup_menu, 1, 2, 0,
"Pop up a deck-of-cards menu and return user's selection.\n\
POSITION is a position specification. This is either a mouse button event\n\
(position, menu)
Lisp_Object position, menu;
{
- int number_of_panes;
+ int number_of_panes, panes;
Lisp_Object XMenu_return, keymap, tem;
int XMenu_xpos, XMenu_ypos;
char **menus;
char *title;
char *error_name;
Lisp_Object ltitle, selection;
- int i, j;
+ int i, j, menubarp = 0;
FRAME_PTR f;
Lisp_Object x, y, window;
+#ifdef USE_X_TOOLKIT
+ widget_value *val, *vw = 0;
+#endif /* USE_X_TOOLKIT */
/* Decode the first argument: find the window and the coordinates. */
tem = Fcar (position);
if (XTYPE (window) == Lisp_Frame)
{
f = XFRAME (window);
-
+
XMenu_xpos = 0;
XMenu_ypos = 0;
}
{
CHECK_LIVE_WINDOW (window, 0);
f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
-
- XMenu_xpos = FONT_WIDTH (f->display.x->font) * XWINDOW (window)->left;
- XMenu_ypos = FONT_HEIGHT (f->display.x->font) * XWINDOW (window)->top;
+
+ XMenu_xpos = FONT_WIDTH (f->display.x->font)
+ * XWINDOW (window)->left;
+ XMenu_ypos = FONT_HEIGHT (f->display.x->font)
+ * XWINDOW (window)->top;
}
else
/* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME,
but I don't want to make one now. */
CHECK_WINDOW (window, 0);
+#ifdef USE_X_TOOLKIT
+ tem = Fcar (Fcdr (Fcar (Fcdr (position))));
+ if (XTYPE (Fcar (position)) != Lisp_Cons
+ && CONSP (tem)
+ && EQ (Fcar (tem), Qmenu_bar))
+ {
+ /* We are in the menubar */
+ XlwMenuWidget mw;
+ int w1 = 0, w2;
+
+ mw = (XlwMenuWidget)f->display.x->menubar_widget;
+ menubarp = 1;
+ for (vw = mw->menu.old_stack [0]->contents; vw; vw = vw->next)
+ {
+ w2 = w1;
+ w1 += string_width (mw, vw->name)
+ + 2 * (mw->menu.horizontal_spacing +
+ mw->menu.shadow_thickness);
+ if (XINT (x) < w1)
+ {
+ XMenu_xpos = w2 + 4;
+ XMenu_ypos = 0;
+ break;
+ }
+ }
+ }
+ else
+ {
+ XMenu_xpos += FONT_WIDTH (f->display.x->font) * XINT (x);
+ XMenu_ypos += FONT_HEIGHT (f->display.x->font) * XINT (y);
+ }
+
+ BLOCK_INPUT;
+ XMenu_xpos += (f->display.x->widget->core.x
+ + f->display.x->widget->core.border_width);
+ XMenu_ypos += (f->display.x->widget->core.y
+ + f->display.x->widget->core.border_width
+ + f->display.x->menubar_widget->core.height);
+ UNBLOCK_INPUT;
+
+ val = set_menu_items (menu, &prefixes, &panes, &names,
+ &enables, &menus, &items, &number_of_panes, &obj_list,
+ &title, &error_name);
+ selection = xmenu_show (f, val, XMenu_xpos, XMenu_ypos,
+ menubarp, vw);
+
+ free_menu_items (names, enables, menus, items, number_of_panes, obj_list,
+ title, error_name);
+
+ if (selection != NUL)
+ { /* selected something */
+ XMenu_return = selection;
+ }
+ else
+ { /* nothing selected */
+ XMenu_return = Qnil;
+ }
+
+ return XMenu_return;
+
+#else /* not USE_X_TOOLKIT */
#ifdef HAVE_X11
{
Window child;
XMenu_ypos += win_y;
}
}
-#endif
+#endif /* HAVE_X11 */
XMenu_xpos += FONT_WIDTH (f->display.x->font) * XINT (x);
XMenu_ypos += FONT_HEIGHT (f->display.x->font) * XINT (y);
XMenu_xpos += f->display.x->left_pos;
XMenu_ypos += f->display.x->top_pos;
+
keymap = Fkeymapp (menu);
tem = Qnil;
if (XTYPE (menu) == Lisp_Cons)
fprintf (stderr, " Item %d %s\n", j, names[i][j]);
}
#endif
+
BLOCK_INPUT;
{
Window root;
&dummy_window))
/* But XGetGeometry said root was the root window of f's screen! */
abort ();
-
selection = xmenu_show (root, XMenu_xpos, XMenu_ypos, names, enables,
menus, prefixes, items, number_of_panes, obj_list,
title, &error_name);
/* free (title); */
if (error_name) error (error_name);
return XMenu_return;
+#endif /* not USE_X_TOOLKIT */
+}
+\f
+#ifdef USE_X_TOOLKIT
+
+static void
+dispatch_dummy_expose (w, x, y)
+ Widget w;
+ int x;
+ int y;
+{
+ XExposeEvent dummy;
+
+ dummy.type = Expose;
+ dummy.window = XtWindow (w);
+ dummy.count = 0;
+ dummy.serial = 0;
+ dummy.send_event = 0;
+ dummy.display = XtDisplay (w);
+ dummy.x = x;
+ dummy.y = y;
+
+ XtDispatchEvent (&dummy);
+}
+
+static int
+string_width (mw, s)
+ XlwMenuWidget mw;
+ char* s;
+{
+ XCharStruct xcs;
+ int drop;
+
+ XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs);
+ return xcs.width;
}
+static int
+event_is_in_menu_item (mw, event, name, string_w)
+ XlwMenuWidget mw;
+ struct input_event *event;
+ char *name;
+ int *string_w;
+{
+ *string_w += string_width (mw, name)
+ + 2 * (mw->menu.horizontal_spacing + mw->menu.shadow_thickness);
+ return (XINT (event->x) < *string_w);
+}
+
+
+Lisp_Object
+map_event_to_object (event, f)
+ struct input_event *event;
+ FRAME_PTR f;
+{
+ int i,j, string_w;
+ window_state* ws;
+ XlwMenuWidget mw = (XlwMenuWidget) f->display.x->menubar_widget;
+ widget_value *val;
+
+
+ string_w = 0;
+ /* Find the window */
+ for (val = mw->menu.old_stack [0]->contents; val; val = val->next)
+ {
+ ws = &mw->menu.windows [0];
+ if (ws && event_is_in_menu_item (mw, event, val->name, &string_w))
+ {
+ Lisp_Object items;
+ items = FRAME_MENU_BAR_ITEMS (f);
+ for (; CONSP (items); items = XCONS (items)->cdr)
+ if (!strcmp (val->name,
+ XSTRING (Fcar (Fcdr (Fcar (items))))->data))
+ return items;
+ }
+ }
+ return Qnil;
+}
+
+static widget_value *
+set_menu_items (menu, prefixes, panes, names, enables, menus,
+ items, number_of_panes, obj_list, title, error_name)
+ Lisp_Object menu;
+ Lisp_Object **prefixes;
+ int *panes;
+ char ***names[];
+ int ***enables;
+ char ***menus;
+ int **items;
+ int *number_of_panes;
+ Lisp_Object ***obj_list;
+ char **title;
+ char **error_name;
+{
+ Lisp_Object keymap, tem;
+ Lisp_Object ltitle, selection;
+ int i, j;
+ widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0;
+ int last, selidx, lpane, status;
+ int lines, sofar;
+
+ keymap = Fkeymapp (menu);
+ tem = Qnil;
+
+ if (XTYPE (menu) == Lisp_Cons)
+ tem = Fkeymapp (Fcar (menu));
+ if (!NILP (keymap))
+ {
+ /* We were given a keymap. Extract menu info from the keymap. */
+ Lisp_Object prompt;
+ keymap = get_keymap (menu);
+
+ /* Search for a string appearing directly as an element of the keymap.
+ That string is the title of the menu. */
+ prompt = map_prompt (keymap);
+ if (!NILP (prompt))
+ *title = (char *) XSTRING (prompt)->data;
+
+ /* Extract the detailed info to make one pane. */
+ *number_of_panes = keymap_panes (obj_list, menus, names, enables,
+ items, prefixes, menu, 1);
+ /* The menu title seems to be ignored,
+ so put it in the pane title. */
+ if ((*menus)[0] == 0)
+ (*menus)[0] = *title;
+ }
+ else if (!NILP (tem))
+ {
+ /* We were given a list of keymaps. */
+ Lisp_Object prompt;
+ int nmaps = XFASTINT (Flength (menu));
+ Lisp_Object *maps
+ = (Lisp_Object *) alloca (nmaps * sizeof (Lisp_Object));
+ int i;
+ *title = 0;
+
+ /* The first keymap that has a prompt string
+ supplies the menu title. */
+ for (tem = menu, i = 0; XTYPE (tem) == Lisp_Cons; tem = Fcdr (tem))
+ {
+ maps[i++] = keymap = get_keymap (Fcar (tem));
+
+ prompt = map_prompt (keymap);
+ if (*title == 0 && !NILP (prompt))
+ *title = (char *) XSTRING (prompt)->data;
+ }
+
+ /* Extract the detailed info to make one pane. */
+ *number_of_panes = keymap_panes (obj_list, menus, names, enables,
+ items, prefixes, maps, nmaps);
+ /* The menu title seems to be ignored,
+ so put it in the pane title. */
+ if ((*menus)[0] == 0)
+ (*menus)[0] = *title;
+ }
+ else
+ {
+ /* We were given an old-fashioned menu. */
+ ltitle = Fcar (menu);
+ CHECK_STRING (ltitle, 1);
+ *title = (char *) XSTRING (ltitle)->data;
+ *prefixes = 0;
+ *number_of_panes = list_of_panes (obj_list, menus, names, enables,
+ items, Fcdr (menu));
+ }
+
+ *error_name = 0;
+ if (*number_of_panes == 0)
+ return 0;
+
+ *error_name = (char *) 0; /* Initialize error pointer to null */
+
+ wv = malloc_widget_value ();
+ wv->name = "menu";
+ wv->value = 0;
+ wv->enabled = 1;
+ first_wv = wv;
+
+ for (*panes = 0, lines = 0; *panes < *number_of_panes;
+ lines += (*items)[*panes], (*panes)++)
+ ;
+ /* datap = (struct indices *) xmalloc (lines * sizeof (struct indices)); */
+ /* datap = (char *) xmalloc (lines * sizeof (char));
+ datap_save = datap;*/
+
+ for (*panes = 0, sofar = 0; *panes < *number_of_panes;
+ sofar += (*items)[*panes], (*panes)++)
+ {
+ if (strcmp((*menus)[*panes], ""))
+ {
+ wv = malloc_widget_value ();
+ if (save_wv)
+ save_wv->next = wv;
+ else
+ first_wv->contents = wv;
+ wv->name = (*menus)[*panes];
+ wv->value = 0;
+ wv->enabled = 1;
+ }
+ prev_wv = 0;
+ save_wv = wv;
+
+ for (selidx = 0; selidx < (*items)[*panes]; selidx++)
+ {
+ wv = malloc_widget_value ();
+ if (prev_wv)
+ prev_wv->next = wv;
+ else
+ save_wv->contents = wv;
+ wv->name = (*names)[*panes][selidx];
+ wv->value = 0;
+ selection = (*obj_list)[*panes][selidx];
+ if (*prefixes != 0)
+ {
+ selection = Fcons (selection, Qnil);
+ if (!NILP ((*prefixes)[*panes]))
+ selection = Fcons ((*prefixes)[*panes], selection);
+ }
+ wv->call_data = LISP_TO_VOID(selection);
+ wv->enabled = (*enables)[*panes][selidx];
+ prev_wv = wv;
+ }
+ }
+
+ return (first_wv);
+}
+
+static void
+free_menu_items (names, enables, menus, items, number_of_panes,
+ obj_list, title, error_name)
+ char **names[];
+ int *enables[];
+ char **menus;
+ int *items;
+ int number_of_panes;
+ Lisp_Object **obj_list;
+ char *title;
+ char *error_name;
+{
+ int i;
+ /* now free up the strings */
+ for (i = 0; i < number_of_panes; i++)
+ {
+ xfree (names[i]);
+ xfree (enables[i]);
+ xfree (obj_list[i]);
+ }
+ xfree (menus);
+ xfree (obj_list);
+ xfree (names);
+ xfree (enables);
+ xfree (items);
+ /* free (title); */
+ if (error_name) error (error_name);
+
+}
+
+static Lisp_Object menu_item_selection;
+
+static void
+popup_selection_callback (widget, id, client_data)
+ Widget widget;
+ LWLIB_ID id;
+ XtPointer client_data;
+{
+#if 0
+ last_popup_selection_callback_id = id;
+ menubar_selection_callback (widget, id, client_data);
+ /* lw_destroy_all_widgets() will be called from popup_down_callback() */
+#endif
+ VOID_TO_LISP (menu_item_selection, client_data);
+}
+
+static void
+popup_down_callback (widget, id, client_data)
+ Widget widget;
+ LWLIB_ID id;
+ XtPointer client_data;
+{
+#if 0
+ if (popup_menu_up_p == 0) abort ();
+ popup_menu_up_p--;
+ /* if this isn't called immediately after the selection callback, then
+ there wasn't a menu selection. */
+ if (id != last_popup_selection_callback_id)
+ menubar_selection_callback (widget, id, (XtPointer) -1);
+#endif
+ BLOCK_INPUT;
+ lw_destroy_all_widgets (id);
+ UNBLOCK_INPUT;
+/* ungcpro_popup_callbacks (make_number (id)); */
+}
+
+/* This recursively calls free_widget_value() on the tree of widgets.
+ It must free all data that was malloc'ed for these widget_values.
+ Currently, emacs only allocates new storage for the `key' slot.
+ All other slots are pointers into the data of Lisp_Strings, and
+ must be left alone.
+ */
+void
+free_menubar_widget_value_tree (wv)
+ widget_value *wv;
+{
+ if (! wv) return;
+ if (wv->key) xfree (wv->key);
+
+ wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
+
+ if (wv->contents && (wv->contents != (widget_value*)1))
+ {
+ free_menubar_widget_value_tree (wv->contents);
+ wv->contents = (widget_value *) 0xDEADBEEF;
+ }
+ if (wv->next)
+ {
+ free_menubar_widget_value_tree (wv->next);
+ wv->next = (widget_value *) 0xDEADBEEF;
+ }
+ BLOCK_INPUT;
+ free_widget_value (wv);
+ UNBLOCK_INPUT;
+}
+
+static void
+update_one_frame_psheets (f)
+ FRAME_PTR f;
+{
+ struct x_display *x = f->display.x;
+
+ int menubar_changed;
+
+ menubar_changed = (x->menubar_widget
+ && !XtIsManaged (x->menubar_widget));
+
+ if (! (menubar_changed))
+ return;
+
+ BLOCK_INPUT;
+ XawPanedSetRefigureMode (x->column_widget, 0);
+
+ /* the order in which children are managed is the top to
+ bottom order in which they are displayed in the paned window.
+ First, remove the text-area widget.
+ */
+ XtUnmanageChild (x->edit_widget);
+
+ /* remove the menubar that is there now, and put up the menubar that
+ should be there.
+ */
+ if (menubar_changed)
+ {
+ XtManageChild (x->menubar_widget);
+ XtMapWidget (x->menubar_widget);
+ XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, 0);
+ }
+
+
+ /* Re-manage the text-area widget */
+ XtManageChild (x->edit_widget);
+
+ /* and now thrash the sizes */
+ XawPanedSetRefigureMode (x->column_widget, 1);
+ UNBLOCK_INPUT;
+}
+
+void
+set_frame_menubar (f)
+ FRAME_PTR f;
+{
+ Widget menubar_widget = f->display.x->menubar_widget;
+ int id = (int) f;
+ Lisp_Object tail;
+ widget_value *wv, *save_wv, *first_wv, *prev_wv = 0;
+
+ BLOCK_INPUT;
+
+ wv = malloc_widget_value ();
+ wv->name = "menubar";
+ wv->value = 0;
+ wv->enabled = 1;
+ save_wv = first_wv = wv;
+
+
+ for (tail = FRAME_MENU_BAR_ITEMS (f); CONSP (tail); tail = XCONS (tail)->cdr)
+ {
+ Lisp_Object string;
+
+ string = Fcar (Fcdr (Fcar (tail)));
+
+ wv = malloc_widget_value ();
+ if (prev_wv)
+ prev_wv->next = wv;
+ else
+ save_wv->contents = wv;
+ wv->name = XSTRING (string)->data;
+ wv->value = 0;
+ wv->enabled = 1;
+ prev_wv = wv;
+ }
+
+ if (menubar_widget)
+ lw_modify_all_widgets (id, first_wv, False);
+ else
+ {
+ menubar_widget = lw_create_widget ("menubar", "menubar",
+ id, first_wv,
+ f->display.x->column_widget,
+ 0, 0,
+ 0, 0);
+ f->display.x->menubar_widget = menubar_widget;
+ XtVaSetValues (menubar_widget,
+ XtNshowGrip, 0,
+ XtNresizeToPreferred, 1,
+ XtNallowResize, 1,
+ 0);
+ }
+
+ free_menubar_widget_value_tree (first_wv);
+
+ update_one_frame_psheets (f);
+
+ UNBLOCK_INPUT;
+}
+#endif /* USE_X_TOOLKIT */
+\f
struct indices {
int pane;
int line;
};
+extern void process_expose_from_menu ();
+
+#ifdef USE_X_TOOLKIT
+extern XtAppContext Xt_app_con;
+
Lisp_Object
+xmenu_show (f, val, x, y, menubarp, vw)
+ FRAME_PTR f;
+ widget_value *val;
+ int x;
+ int y;
+ int menubarp;
+ widget_value *vw;
+{
+ int menu_id, id = (int)f;
+ Lisp_Object selection;
+ Widget menu;
+
+ /*
+ * Define and allocate a foreign event queue to hold events
+ * that don't belong to XMenu. These events are later restored
+ * to the X event queue.
+ */
+ typedef struct _xmeventque
+ {
+ XEvent event;
+ struct _xmeventque *next;
+ } XMEventQue;
+
+ XMEventQue *feq = NULL; /* Foreign event queue. */
+ XMEventQue *feq_tmp; /* Foreign event queue temporary. */
+
+ BLOCK_INPUT;
+ menu_id = ++popup_id_tick;
+ menu = lw_create_widget ("popup", val->name, menu_id, val,
+ f->display.x->widget, 1, 0,
+ popup_selection_callback, popup_down_callback);
+ free_menubar_widget_value_tree (val);
+
+ /* reset the selection */
+ menu_item_selection = Qnil;
+
+ {
+ XButtonPressedEvent dummy;
+ XlwMenuWidget mw;
+
+ mw = ((XlwMenuWidget)
+ ((CompositeWidget)menu)->composite.children[0]);
+
+ dummy.type = ButtonPress;
+ dummy.serial = 0;
+ dummy.send_event = 0;
+ dummy.display = XtDisplay (menu);
+ dummy.window = XtWindow (XtParent (menu));
+ dummy.time = CurrentTime;
+ dummy.button = 0;
+ dummy.x_root = x;
+ dummy.y_root = y;
+
+ if (menubarp)
+ {
+#if 0
+ /* we are in the menubar */
+ XtUnmapWidget (f->display.x->menubar_widget);
+ vw->call_data = (XtPointer) 1;
+ XtMapWidget (f->display.x->menubar_widget);
+#else
+ vw->call_data = (XtPointer) 1;
+ dispatch_dummy_expose (f->display.x->menubar_widget, x, y);
+#endif
+ }
+
+
+ /* We activate directly the lucid implementation */
+ pop_up_menu (mw, &dummy);
+ }
+
+ /* Enters XEvent loop */
+ while (1)
+ {
+
+ XEvent event;
+ XtAppNextEvent (Xt_app_con, &event);
+ if (event.type == ButtonRelease)
+ {
+ XtDispatchEvent (&event);
+ break;
+ }
+ else
+ if (event.type == Expose)
+ process_expose_from_menu (event);
+ XtDispatchEvent (&event);
+ feq_tmp = (XMEventQue *) malloc (sizeof (XMEventQue));
+
+ if (feq_tmp == NULL)
+ return(Qnil);
+
+ feq_tmp->event = event;
+ feq_tmp->next = feq;
+ feq = feq_tmp;
+ }
+
+ if (menubarp)
+ {
+#if 1
+ XtUnmapWidget (f->display.x->menubar_widget);
+ vw->call_data = (XtPointer) 0;
+ XtMapWidget (f->display.x->menubar_widget);
+#else
+ vw->call_data = (XtPointer) 0;
+ dispatch_dummy_expose (f->display.x->menubar_widget, 0, 0);
+ XFlushQueue ();
+#endif
+ }
+
+ /* Return any foreign events that were queued to the X event queue. */
+ while (feq != NULL)
+ {
+ feq_tmp = feq;
+ XPutBackEvent (XDISPLAY &feq_tmp->event);
+ feq = feq_tmp->next;
+ free ((char *)feq_tmp);
+ }
+
+ UNBLOCK_INPUT;
+
+ return menu_item_selection;
+}
+
+#else /* not USE_X_TOOLKIT */
xmenu_show (parent, startx, starty, line_list, enable_list, pane_list,
prefixes, line_cnt, pane_cnt, item_list, title, error)
Window parent;
BLOCK_INPUT;
*error = (char *) 0; /* Initialize error pointer to null */
+
GXMenu = XMenuCreate (XDISPLAY parent, "emacs");
if (GXMenu == NUL)
{
UNBLOCK_INPUT;
return (0);
}
-
+
for (panes = 0, lines = 0; panes < pane_cnt;
lines += line_cnt[panes], panes++)
;
UNBLOCK_INPUT;
return (0);
}
+
for (selidx = 0; selidx < line_cnt[panes]; selidx++)
{
/* add the selection stuff to the menus */
/* free (datap_save);*/
return (entry);
}
+#endif /* not USE_X_TOOLKIT */
syms_of_xmenu ()
{
+ popup_id_tick = (1<<16);
defsubr (&Sx_popup_menu);
}
\f