/* X Communication module for terminals which understand the X protocol.
- Copyright (C) 1986, 1988, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1988, 1993 Free Software Foundation, Inc.
This file is part of GNU Emacs.
*
*/
-#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 <config.h>
#include "lisp.h"
+#include "termhooks.h"
#include "frame.h"
#include "window.h"
#include "keyboard.h"
+#include "blockinput.h"
/* This may include sys/types.h, and that somehow loses
if this is not done before the other system files. */
#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))
#ifndef TRUE
#define TRUE 1
#define FALSE 0
-#endif TRUE
+#endif /* TRUE */
#ifdef HAVE_X11
extern Display *x_current_display;
#define ButtonReleaseMask ButtonReleased
#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\
or a list ((XOFFSET YOFFSET) WINDOW)\n\
where XOFFSET and YOFFSET are positions in characters from the top left\n\
-corner of WINDOW's frame. A mouse-event list will serve for this.\n\
+corner of WINDOW's frame. (WINDOW may be a frame object instead of a window.)\n\
This controls the position of the center of the first line\n\
in the first pane of the menu, not the top left of the menu as a whole.\n\
\n\
\(STRING . REAL-DEFINITION). To give the menu a title, put a string into\n\
the keymap as a top-level element.\n\n\
You can also use a list of keymaps as MENU.\n\
- Then each keymap makes a separate pane.\n\n\
+ Then each keymap makes a separate pane.\n\
+When MENU is a keymap or a list of keymaps, the return value\n\
+is a list of events.\n\n\
Alternatively, you can specify a menu of multiple panes\n\
- with a list of the form\n\
-\(TITLE PANE1 PANE2...), where each pane is a list of form\n\
-\(TITLE (LINE ITEM)...). Each line should be a string, and item should\n\
-be the return value for that line (i.e. if it is selected).")
+ with a list of the form (TITLE PANE1 PANE2...),\n\
+where each pane is a list of form (TITLE ITEM1 ITEM2...).\n\
+Each ITEM is normally a cons cell (STRING . VALUE);\n\
+but a string can appear as an item--that makes a nonselectable line\n\
+in the menu.\n\
+With this form of menu, the return value is VALUE from the chosen item.")
(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 ***names;
+ int **enables;
Lisp_Object **obj_list;
+ Lisp_Object *prefixes;
int *items;
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);
}
else
{
- tem = EVENT_START (position);
- window = POSN_WINDOW (tem);
- tem = POSN_WINDOW_POSN (tem);
+ tem = Fcar (Fcdr (position)); /* EVENT_START (position) */
+ window = Fcar (tem); /* POSN_WINDOW (tem) */
+ tem = Fcar (Fcdr (Fcdr (tem))); /* POSN_WINDOW_POSN (tem) */
x = Fcar (tem);
y = Fcdr (tem);
}
- CHECK_LIVE_WINDOW (window, 0);
CHECK_NUMBER (x, 0);
CHECK_NUMBER (y, 0);
- f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
+ if (XTYPE (window) == Lisp_Frame)
+ {
+ f = XFRAME (window);
+
+ XMenu_xpos = 0;
+ XMenu_ypos = 0;
+ }
+ else if (XTYPE (window) == Lisp_Window)
+ {
+ 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;
+ }
+ 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;
+ int win_x = 0, win_y = 0;
+
+ /* Find the position of the outside upper-left corner of
+ the inner window, with respect to the outer window. */
+ if (f->display.x->parent_desc != ROOT_WINDOW)
+ {
+ BLOCK_INPUT;
+ XTranslateCoordinates (x_current_display,
+
+ /* From-window, to-window. */
+ f->display.x->window_desc,
+ f->display.x->parent_desc,
+
+ /* From-position, to-position. */
+ 0, 0, &win_x, &win_y,
+
+ /* Child of window. */
+ &child);
+ UNBLOCK_INPUT;
+ XMenu_xpos += win_x;
+ XMenu_ypos += win_y;
+ }
+ }
+#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
- = FONT_WIDTH (f->display.x->font) * (XINT (x) + XWINDOW (window)->left);
- XMenu_ypos
- = FONT_HEIGHT (f->display.x->font) * (XINT (y) + XWINDOW (window)->top);
XMenu_xpos += f->display.x->left_pos;
XMenu_ypos += f->display.x->top_pos;
+
keymap = Fkeymapp (menu);
tem = Qnil;
if (XTYPE (menu) == Lisp_Cons)
title = (char *) XSTRING (prompt)->data;
/* Extract the detailed info to make one pane. */
- number_of_panes = keymap_panes (&obj_list, &menus, &names, &items,
- &menu, 1);
+ 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)
}
/* Extract the detailed info to make one pane. */
- number_of_panes = keymap_panes (&obj_list, &menus, &names, &items,
- maps, nmaps);
+ 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)
ltitle = Fcar (menu);
CHECK_STRING (ltitle, 1);
title = (char *) XSTRING (ltitle)->data;
- number_of_panes = list_of_panes (&obj_list, &menus, &names, &items,
- Fcdr (menu));
+ prefixes = 0;
+ number_of_panes = list_of_panes (&obj_list, &menus, &names, &enables,
+ &items, Fcdr (menu));
}
#ifdef XDEBUG
fprintf (stderr, "Panes = %d\n", number_of_panes);
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, menus,
- items, number_of_panes, obj_list, title,
- &error_name);
+ selection = xmenu_show (root, XMenu_xpos, XMenu_ypos, names, enables,
+ menus, prefixes, items, number_of_panes, obj_list,
+ title, &error_name);
}
UNBLOCK_INPUT;
/* fprintf (stderr, "selection = %x\n", selection); */
/* now free up the strings */
for (i = 0; i < number_of_panes; i++)
{
- free (names[i]);
- free (obj_list[i]);
+ xfree (names[i]);
+ xfree (enables[i]);
+ xfree (obj_list[i]);
}
- free (menus);
- free (obj_list);
- free (names);
- free (items);
+ xfree (menus);
+ xfree (obj_list);
+ xfree (names);
+ xfree (enables);
+ xfree (items);
/* 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 (parent, startx, starty, line_list, pane_list, line_cnt,
- pane_cnt, item_list, title, error)
+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)
+ {
+ vw->call_data = (XtPointer) 1;
+ dispatch_dummy_expose (f->display.x->menubar_widget, x, y);
+ }
+
+
+ /* 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)
+ {
+ vw->call_data = (XtPointer) 0;
+ dispatch_dummy_expose (f->display.x->menubar_widget, x, y);
+ }
+
+ /* 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;
int startx, starty; /* upper left corner position BROKEN */
char **line_list[]; /* list of strings for items */
+ int *enable_list[]; /* enable flags of lines */
char *pane_list[]; /* list of pane titles */
+ Lisp_Object *prefixes; /* Prefix key for each pane */
char *title;
int pane_cnt; /* total number of panes */
Lisp_Object *item_list[]; /* All items */
int ulx, uly, width, height;
int dispwidth, dispheight;
+ *error = 0;
if (pane_cnt == 0)
return 0;
+ BLOCK_INPUT;
*error = (char *) 0; /* Initialize error pointer to null */
+
GXMenu = XMenuCreate (XDISPLAY parent, "emacs");
if (GXMenu == NUL)
{
*error = "Can't create menu";
+ UNBLOCK_INPUT;
return (0);
}
-
+
for (panes = 0, lines = 0; panes < pane_cnt;
lines += line_cnt[panes], panes++)
;
{
XMenuDestroy (XDISPLAY GXMenu);
*error = "Can't create pane";
+ UNBLOCK_INPUT;
return (0);
}
+
for (selidx = 0; selidx < line_cnt[panes]; selidx++)
{
/* add the selection stuff to the menus */
/* datap[selidx+sofar].pane = panes;
datap[selidx+sofar].line = selidx; */
if (XMenuAddSelection (XDISPLAY GXMenu, lpane, 0,
- line_list[panes][selidx], TRUE)
+ line_list[panes][selidx],
+ enable_list[panes][selidx])
== XM_FAILURE)
{
XMenuDestroy (XDISPLAY GXMenu);
/* free (datap); */
*error = "Can't add selection to menu";
/* error ("Can't add selection to menu"); */
+ UNBLOCK_INPUT;
return (0);
}
}
fprintf (stderr, "pane= %d line = %d\n", panes, selidx);
#endif
entry = item_list[panes][selidx];
+ if (prefixes != 0)
+ {
+ entry = Fcons (entry, Qnil);
+ if (!NILP (prefixes[panes]))
+ entry = Fcons (prefixes[panes], entry);
+ }
break;
case XM_FAILURE:
/* free (datap_save); */
break;
}
XMenuDestroy (XDISPLAY GXMenu);
+ UNBLOCK_INPUT;
/* free (datap_save);*/
return (entry);
}
+#endif /* not USE_X_TOOLKIT */
syms_of_xmenu ()
{
+ popup_id_tick = (1<<16);
defsubr (&Sx_popup_menu);
}
\f
/* Construct the vectors that describe a menu
- and store them in *VECTOR, *PANES, *NAMES and *ITEMS.
+ and store them in *VECTOR, *PANES, *NAMES, *ENABLES and *ITEMS.
Each of those four values is a vector indexed by pane number.
Return the number of panes.
KEYMAPS is a vector of keymaps. NMAPS gives the length of KEYMAPS. */
int
-keymap_panes (vector, panes, names, items, keymaps, nmaps)
+keymap_panes (vector, panes, names, enables, items, prefixes, keymaps, nmaps)
Lisp_Object ***vector; /* RETURN all menu objects */
char ***panes; /* RETURN pane names */
char ****names; /* RETURN all line names */
+ int ***enables; /* RETURN enable-flags of lines */
int **items; /* RETURN number of items per pane */
+ Lisp_Object **prefixes; /* RETURN vector of prefix keys, per pane */
Lisp_Object *keymaps;
int nmaps;
{
*panes = (char **) xmalloc (npanes_allocated * sizeof (char *));
*items = (int *) xmalloc (npanes_allocated * sizeof (int));
*names = (char ***) xmalloc (npanes_allocated * sizeof (char **));
+ *enables = (int **) xmalloc (npanes_allocated * sizeof (int *));
+ *prefixes = (Lisp_Object *) xmalloc (npanes_allocated * sizeof (Lisp_Object));
/* Loop over the given keymaps, making a pane for each map.
But don't make a pane that is empty--ignore that map instead.
P is the number of panes we have made so far. */
for (mapno = 0; mapno < nmaps; mapno++)
- single_keymap_panes (keymaps[mapno], panes, vector, names, items,
- &p, &npanes_allocated, "");
+ single_keymap_panes (keymaps[mapno], panes, vector, names, enables, items,
+ prefixes, &p, &npanes_allocated, "");
/* Return the number of panes. */
return p;
The other arguments are passed along
or point to local variables of the previous function. */
-single_keymap_panes (keymap, panes, vector, names, items,
+single_keymap_panes (keymap, panes, vector, names, enables, items, prefixes,
p_ptr, npanes_allocated_ptr, pane_name)
Lisp_Object keymap;
Lisp_Object ***vector; /* RETURN all menu objects */
char ***panes; /* RETURN pane names */
char ****names; /* RETURN all line names */
+ int ***enables; /* RETURN enable flags of lines */
int **items; /* RETURN number of items per pane */
+ Lisp_Object **prefixes; /* RETURN vector of prefix keys, per pane */
int *p_ptr;
int *npanes_allocated_ptr;
char *pane_name;
*items
= (int *) xrealloc (*items,
*npanes_allocated_ptr * sizeof (int));
+ *prefixes
+ = (Lisp_Object *) xrealloc (*prefixes,
+ (*npanes_allocated_ptr
+ * sizeof (Lisp_Object)));
*names
= (char ***) xrealloc (*names,
*npanes_allocated_ptr * sizeof (char **));
+ *enables
+ = (int **) xrealloc (*enables,
+ *npanes_allocated_ptr * sizeof (int *));
}
/* When a menu comes from keymaps, don't give names to the panes. */
(*panes)[*p_ptr] = pane_name;
+ /* Normally put nil as pane's prefix key.
+ Caller will override this if appropriate. */
+ (*prefixes)[*p_ptr] = Qnil;
+
/* Get the length of the list level of the keymap. */
i = XFASTINT (Flength (keymap));
I is an upper bound for the number of items. */
(*vector)[*p_ptr] = (Lisp_Object *) xmalloc (i * sizeof (Lisp_Object));
(*names)[*p_ptr] = (char **) xmalloc (i * sizeof (char *));
+ (*enables)[*p_ptr] = (int *) xmalloc (i * sizeof (int));
/* I is now the index of the next unused slots. */
i = 0;
item2 = XCONS (item1)->car;
if (XTYPE (item2) == Lisp_String)
{
- Lisp_Object tem;
- tem = Fkeymapp (Fcdr (item1));
+ Lisp_Object def, tem;
+ Lisp_Object enabled;
+
+ def = Fcdr (item1);
+ enabled = Qt;
+ if (XTYPE (def) == Lisp_Symbol)
+ {
+ /* No property, or nil, means enable.
+ Otherwise, enable if value is not nil. */
+ tem = Fget (def, Qmenu_enable);
+ if (!NILP (tem))
+ enabled = Feval (tem);
+ }
+ tem = Fkeymapp (def);
if (XSTRING (item2)->data[0] == '@' && !NILP (tem))
- pending_maps = Fcons (Fcons (Fcdr (item1), item2),
+ pending_maps = Fcons (Fcons (def, Fcons (item2, XCONS (item)->car)),
pending_maps);
else
{
(*names)[*p_ptr][i] = (char *) XSTRING (item2)->data;
/* The menu item "value" is the key bound here. */
(*vector)[*p_ptr][i] = XCONS (item)->car;
+ (*enables)[*p_ptr][i]
+ = (NILP (def) ? -1 : !NILP (enabled) ? 1 : 0);
i++;
}
}
if (XTYPE (item2) == Lisp_String)
{
Lisp_Object tem;
- tem = Fkeymapp (Fcdr (item1));
+ Lisp_Object def;
+ Lisp_Object enabled;
+
+ def = Fcdr (item1);
+ enabled = Qt;
+ if (XTYPE (def) == Lisp_Symbol)
+ {
+ tem = Fget (def, Qmenu_enable);
+ /* No property, or nil, means enable.
+ Otherwise, enable if value is not nil. */
+ if (!NILP (tem))
+ enabled = Feval (tem);
+ }
+
+ tem = Fkeymapp (def);
if (XSTRING (item2)->data[0] == '@' && !NILP (tem))
- pending_maps = Fcons (Fcons (Fcdr (item1), item2),
+ pending_maps = Fcons (Fcons (def, Fcons (item2, character)),
pending_maps);
else
{
(*names)[*p_ptr][i] = (char *) XSTRING (item2)->data;
/* The menu item "value" is the key bound here. */
(*vector)[*p_ptr][i] = character;
+ (*enables)[*p_ptr][i]
+ = (NILP (def) ? -1 : !NILP (enabled) ? 1 : 0);
i++;
}
}
/* If we just made an empty pane, get rid of it. */
if (i == 0)
{
- free ((*vector)[*p_ptr]);
- free ((*names)[*p_ptr]);
+ xfree ((*vector)[*p_ptr]);
+ xfree ((*names)[*p_ptr]);
+ xfree ((*enables)[*p_ptr]);
}
/* Otherwise, advance past it. */
else
/* Process now any submenus which want to be panes at this level. */
while (!NILP (pending_maps))
{
- Lisp_Object elt;
+ Lisp_Object elt, eltcdr;
+ int panenum = *p_ptr;
elt = Fcar (pending_maps);
- single_keymap_panes (Fcar (elt), panes, vector, names, items,
- p_ptr, npanes_allocated_ptr,
+ eltcdr = XCONS (elt)->cdr;
+ single_keymap_panes (Fcar (elt), panes, vector, names, enables, items,
+ prefixes, p_ptr, npanes_allocated_ptr,
/* Add 1 to discard the @. */
- (char *) XSTRING (XCONS (elt)->cdr)->data + 1);
+ (char *) XSTRING (XCONS (eltcdr)->car)->data + 1);
+ (*prefixes)[panenum] = XCONS (eltcdr)->cdr;
pending_maps = Fcdr (pending_maps);
}
}
\f
/* Construct the vectors that describe a menu
- and store them in *VECTOR, *PANES, *NAMES and *ITEMS.
+ and store them in *VECTOR, *PANES, *NAMES, *ENABLES and *ITEMS.
Each of those four values is a vector indexed by pane number.
Return the number of panes.
MENU is the argument that was given to Fx_popup_menu. */
int
-list_of_panes (vector, panes, names, items, menu)
+list_of_panes (vector, panes, names, enables, items, menu)
Lisp_Object ***vector; /* RETURN all menu objects */
char ***panes; /* RETURN pane names */
char ****names; /* RETURN all line names */
+ int ***enables; /* RETURN enable flags of lines */
int **items; /* RETURN number of items per pane */
Lisp_Object menu;
{
*panes = (char **) xmalloc (i * sizeof (char *));
*items = (int *) xmalloc (i * sizeof (int));
*names = (char ***) xmalloc (i * sizeof (char **));
+ *enables = (int **) xmalloc (i * sizeof (int *));
for (i = 0, tail = menu; !NILP (tail); tail = Fcdr (tail), i++)
{
XSTRING (item1)->data);
#endif
(*panes)[i] = (char *) XSTRING (item1)->data;
- (*items)[i] = list_of_items ((*vector)+i, (*names)+i, item);
+ (*items)[i] = list_of_items ((*vector)+i, (*names)+i, (*enables)+i, item);
/* (*panes)[i] = (char *) xmalloc ((XSTRING (item1)->size)+1);
bcopy (XSTRING (item1)->data, (*panes)[i], XSTRING (item1)->size + 1)
; */
}
\f
/* Construct the lists of values and names for a single pane, from the
- alist PANE. Put them in *VECTOR and *NAMES.
- Return the number of items. */
+ alist PANE. Put them in *VECTOR and *NAMES. Put the enable flags
+ int *ENABLES. Return the number of items. */
int
-list_of_items (vector, names, pane) /* get list from emacs and put to vector */
+list_of_items (vector, names, enables, pane)
Lisp_Object **vector; /* RETURN menu "objects" */
char ***names; /* RETURN line names */
+ int **enables; /* RETURN enable flags of lines */
Lisp_Object pane;
{
Lisp_Object tail, item, item1;
*vector = (Lisp_Object *) xmalloc (i * sizeof (Lisp_Object));
*names = (char **) xmalloc (i * sizeof (char *));
+ *enables = (int *) xmalloc (i * sizeof (int));
for (i = 0, tail = pane; !NILP (tail); tail = Fcdr (tail), i++)
{
item = Fcar (tail);
- if (XTYPE (item) != Lisp_Cons) (void) wrong_type_argument (Qlistp, item);
-#ifdef XDEBUG
- fprintf (stderr, "list_of_items check tail, i=%d\n", i);
-#endif
- (*vector)[i] = Fcdr (item);
- item1 = Fcar (item);
- CHECK_STRING (item1, 1);
-#ifdef XDEBUG
- fprintf (stderr, "list_of_items check item, i=%d%s\n", i,
- XSTRING (item1)->data);
-#endif
- (*names)[i] = (char *) XSTRING (item1)->data;
+ if (STRINGP (item))
+ {
+ (*vector)[i] = Qnil;
+ (*names)[i] = (char *) XSTRING (item)->data;
+ (*enables)[i] = -1;
+ }
+ else
+ {
+ CHECK_CONS (item, 0);
+ (*vector)[i] = Fcdr (item);
+ item1 = Fcar (item);
+ CHECK_STRING (item1, 1);
+ (*names)[i] = (char *) XSTRING (item1)->data;
+ (*enables)[i] = 1;
+ }
}
return i;
}