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eterm/src/menus.c

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/*
* Copyright (C) 1997-2009, Michael Jennings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
static const char cvs_ident[] = "$Id$";
#include "config.h"
#include "feature.h"
#include <X11/cursorfont.h>
#include "command.h"
#include "draw.h"
#include "e.h"
#include "events.h"
#include "font.h"
#include "startup.h"
#include "menus.h"
#include "misc.h"
#include "options.h"
#include "pixmap.h"
#include "profile.h"
#include "screen.h"
#include "script.h"
#include "term.h"
#include "windows.h"
#ifdef ESCREEN
# include "screamcfg.h"
#endif
static GC topShadowGC, botShadowGC;
static Time button_press_time;
static int button_press_x = 0, button_press_y = 0;
#ifndef ESCREEN
static
#endif
menu_t *current_menu = NULL;
menulist_t *menu_list = NULL;
event_dispatcher_data_t menu_event_data;
static inline void grab_pointer(Window win);
static inline void ungrab_pointer(void);
static inline void draw_string(Drawable d, GC gc, int x, int y, char *str, size_t len);
static inline unsigned short center_coords(register unsigned short c1, register unsigned short c2);
static inline void
grab_pointer(Window win)
{
int success;
D_EVENTS(("Grabbing control of pointer for window 0x%08x.\n", win));
success = XGrabPointer(Xdisplay, win, False,
EnterWindowMask | LeaveWindowMask | PointerMotionMask | ButtonMotionMask | ButtonPressMask |
ButtonReleaseMask | Button1MotionMask | Button2MotionMask | Button3MotionMask, GrabModeAsync,
GrabModeAsync, None, None, CurrentTime);
if (success != GrabSuccess) {
switch (success) {
case GrabNotViewable:
D_MENU((" -> Unable to grab pointer -- Grab window is not viewable.\n"));
break;
case AlreadyGrabbed:
D_MENU((" -> Unable to grab pointer -- Pointer is already grabbed by another client.\n"));
break;
case GrabFrozen:
D_MENU((" -> Unable to grab pointer -- Pointer is frozen by another grab.\n"));
break;
case GrabInvalidTime:
D_MENU((" -> Unable to grab pointer -- Invalid grab time.\n"));
break;
default:
break;
}
}
}
static inline void
ungrab_pointer(void)
{
D_EVENTS(("Releasing pointer grab.\n"));
XUngrabPointer(Xdisplay, CurrentTime);
}
static inline void
draw_string(Drawable d, GC gc, int x, int y, char *str, size_t len)
{
D_MENU(("Writing string \"%s\" (length %lu) onto drawable 0x%08x at %d, %d\n", str, len, d, x, y));
#ifdef MULTI_CHARSET
if (current_menu && current_menu->fontset && encoding_method != LATIN1)
XmbDrawString(Xdisplay, d, current_menu->fontset, gc, x, y, str, len);
else
#endif
XDrawString(Xdisplay, d, gc, x, y, str, len);
}
static inline unsigned short
center_coords(register unsigned short c1, register unsigned short c2)
{
return (((c2 - c1) >> 1) + c1);
}
void
menu_init(void)
{
XGCValues gcvalue;
if (!menu_list || menu_list->nummenus == 0) {
return;
}
gcvalue.foreground = PixColors[menuTopShadowColor];
topShadowGC = LIBAST_X_CREATE_GC(GCForeground, &gcvalue);
gcvalue.foreground = PixColors[menuBottomShadowColor];
botShadowGC = LIBAST_X_CREATE_GC(GCForeground, &gcvalue);
event_register_dispatcher(menu_dispatch_event, menu_event_init_dispatcher);
}
void
menu_event_init_dispatcher(void)
{
register unsigned char i;
EVENT_DATA_ADD_HANDLER(menu_event_data, EnterNotify, menu_handle_enter_notify);
EVENT_DATA_ADD_HANDLER(menu_event_data, LeaveNotify, menu_handle_leave_notify);
#if 0
EVENT_DATA_ADD_HANDLER(menu_event_data, GraphicsExpose, menu_handle_expose);
EVENT_DATA_ADD_HANDLER(menu_event_data, Expose, menu_handle_expose);
#endif
EVENT_DATA_ADD_HANDLER(menu_event_data, ButtonPress, menu_handle_button_press);
EVENT_DATA_ADD_HANDLER(menu_event_data, ButtonRelease, menu_handle_button_release);
EVENT_DATA_ADD_HANDLER(menu_event_data, MotionNotify, menu_handle_motion_notify);
for (i = 0; i < menu_list->nummenus; i++) {
event_data_add_mywin(&menu_event_data, menu_list->menus[i]->win);
}
event_data_add_parent(&menu_event_data, TermWin.vt);
event_data_add_parent(&menu_event_data, TermWin.parent);
}
unsigned char
menu_handle_enter_notify(event_t *ev)
{
register menu_t *menu;
D_EVENTS(("menu_handle_enter_notify(ev [%8p] on window 0x%08x)\n", ev, ev->xany.window));
REQUIRE_RVAL(XEVENT_IS_MYWIN(ev, &menu_event_data), 0);
/* Take control of the pointer so we get all events for it, even those outside the menu window */
menu = find_menu_by_window(menu_list, ev->xany.window);
if (menu && menu != current_menu) {
ungrab_pointer();
if (menu->state & MENU_STATE_IS_MAPPED) {
grab_pointer(menu->win);
menu->state |= MENU_STATE_IS_FOCUSED;
current_menu = menu;
menu_reset_submenus(menu);
menuitem_change_current(find_item_by_coords(current_menu, ev->xbutton.x, ev->xbutton.y));
}
}
return 1;
}
unsigned char
menu_handle_leave_notify(event_t *ev)
{
D_EVENTS(("menu_handle_leave_notify(ev [%8p] on window 0x%08x)\n", ev, ev->xany.window));
REQUIRE_RVAL(XEVENT_IS_MYWIN(ev, &menu_event_data), 0);
if (current_menu) {
current_menu->state &= ~(MENU_STATE_IS_FOCUSED);
}
return 0;
}
unsigned char
menu_handle_focus_in(event_t *ev)
{
D_EVENTS(("menu_handle_focus_in(ev [%8p] on window 0x%08x)\n", ev, ev->xany.window));
REQUIRE_RVAL(XEVENT_IS_MYWIN(ev, &menu_event_data), 0);
return 0;
}
unsigned char
menu_handle_focus_out(event_t *ev)
{
D_EVENTS(("menu_handle_focus_out(ev [%8p] on window 0x%08x)\n", ev, ev->xany.window));
REQUIRE_RVAL(XEVENT_IS_MYWIN(ev, &menu_event_data), 0);
return 0;
}
#if 0
unsigned char
menu_handle_expose(event_t *ev)
{
XEvent unused_xevent;
D_EVENTS(("menu_handle_expose(ev [%8p] on window 0x%08x)\n", ev, ev->xany.window));
REQUIRE_RVAL(XEVENT_IS_MYWIN(ev, &menu_event_data), 0);
while (XCheckTypedWindowEvent(Xdisplay, ev->xany.window, Expose, &unused_xevent));
while (XCheckTypedWindowEvent(Xdisplay, ev->xany.window, GraphicsExpose, &unused_xevent));
return 1;
}
#endif
unsigned char
menu_handle_button_press(event_t *ev)
{
D_EVENTS(("menu_handle_button_press(ev [%8p] on window 0x%08x)\n", ev, ev->xany.window));
REQUIRE_RVAL(XEVENT_IS_MYWIN(ev, &menu_event_data), 0);
D_EVENTS(("ButtonPress at %d, %d\n", ev->xbutton.x, ev->xbutton.y));
if (!current_menu || (ev->xbutton.x < 0) || (ev->xbutton.y < 0) || (ev->xbutton.x >= current_menu->w)
|| (ev->xbutton.y >= current_menu->h)) {
Window unused_win, child_win;
/* Click outside the current menu, or there is no current menu. Reset. */
ungrab_pointer();
menu_reset_all(menu_list);
current_menu = NULL;
XTranslateCoordinates(Xdisplay, ev->xany.window, Xroot, ev->xbutton.x, ev->xbutton.y, &(ev->xbutton.x), &(ev->xbutton.y),
&unused_win);
child_win = find_window_by_coords(Xroot, 0, 0, ev->xbutton.x, ev->xbutton.y);
if (child_win != None) {
XTranslateCoordinates(Xdisplay, Xroot, child_win, ev->xbutton.x, ev->xbutton.y, &(ev->xbutton.x), &(ev->xbutton.y),
&unused_win);
ev->xany.window = child_win;
D_EVENTS(("Sending synthetic event on to window 0x%08x at %d, %d\n", child_win, ev->xbutton.x, ev->xbutton.y));
XSendEvent(Xdisplay, child_win, False, 0, ev);
}
} else {
button_press_time = ev->xbutton.time;
button_press_x = ev->xbutton.x;
button_press_y = ev->xbutton.y;
if (current_menu && (current_menu->state & MENU_STATE_IS_DRAGGING)) {
current_menu->state &= ~MENU_STATE_IS_DRAGGING;
}
}
return 1;
}
unsigned char
menu_handle_button_release(event_t *ev)
{
menuitem_t *item;
D_EVENTS(("menu_handle_button_release(ev [%8p] on window 0x%08x)\n", ev, ev->xany.window));
REQUIRE_RVAL(XEVENT_IS_MYWIN(ev, &menu_event_data), 0);
D_EVENTS(("ButtonRelease at %d, %d\n", ev->xbutton.x, ev->xbutton.y));
if (current_menu && (current_menu->state & MENU_STATE_IS_DRAGGING)) {
/* Dragging-and-release mode */
D_MENU(("Drag-and-release mode, detected release. Button press time is %lu, release time is %lu\n", button_press_time,
ev->xbutton.time));
ungrab_pointer();
if (button_press_time && (ev->xbutton.time - button_press_time > MENU_CLICK_TIME)) {
/* Take action here based on the current menu item */
if ((item = menuitem_get_current(current_menu))) {
if (item->type == MENUITEM_SUBMENU) {
menu_display_submenu(current_menu, item);
} else {
menu_action(item);
if (current_menu) {
menuitem_deselect(current_menu);
}
}
}
/* Reset the state of the menu system. */
menu_reset_all(menu_list);
current_menu = NULL;
} else {
current_menu->state &= ~MENU_STATE_IS_DRAGGING; /* Click, brief drag, release == single click */
}
} else {
/* Single-click mode */
D_MENU(("Single click mode, detected click. Button press time is %lu, release time is %lu\n", button_press_time,
ev->xbutton.time));
if (current_menu && (ev->xbutton.x >= 0) && (ev->xbutton.y >= 0) && (ev->xbutton.x < current_menu->w)
&& (ev->xbutton.y < current_menu->h)) {
/* Click inside the menu window. Activate the current item. */
if ((item = menuitem_get_current(current_menu))) {
if (item->type == MENUITEM_SUBMENU) {
menu_display_submenu(current_menu, item);
} else {
menu_action(item);
if (current_menu) {
/* menu_action() *could* clear current_menu and reset the list */
menuitem_deselect(current_menu);
menu_reset_all(menu_list);
}
}
}
} else if (!(button_press_time && (ev->xbutton.time - button_press_time < MENU_CLICK_TIME))
|| (button_press_x && button_press_y)) {
/* Single click which lasted too long, or the second click occured outside the menu */
ungrab_pointer();
/* Reset the state of the menu system. */
menu_reset_all(menu_list);
current_menu = NULL;
}
}
button_press_time = 0;
button_press_x = button_press_y = 0;
return 1;
}
unsigned char
menu_handle_motion_notify(event_t *ev)
{
register menuitem_t *item = NULL;
D_EVENTS(("menu_handle_motion_notify(ev [%8p] on window 0x%08x)\n", ev, ev->xany.window));
REQUIRE_RVAL(XEVENT_IS_MYWIN(ev, &menu_event_data), 0);
while (XCheckTypedWindowEvent(Xdisplay, ev->xany.window, MotionNotify, ev));
if (!current_menu) {
return 1;
}
D_MENU(("Mouse is in motion. Button press time is %lu, motion time is %lu\n", button_press_time, ev->xbutton.time));
if ((ev->xbutton.x >= 0) && (ev->xbutton.y >= 0) && (ev->xbutton.x < current_menu->w) && (ev->xbutton.y < current_menu->h)) {
/* Motion within the current menu */
if (button_press_time) {
current_menu->state |= MENU_STATE_IS_DRAGGING;
}
item = find_item_by_coords(current_menu, ev->xbutton.x, ev->xbutton.y);
if (!item || item != menuitem_get_current(current_menu)) {
menu_reset_submenus(current_menu);
}
menuitem_change_current(item);
} else {
/* Motion outside the current menu */
int dest_x, dest_y;
Window child;
menu_t *menu;
XTranslateCoordinates(Xdisplay, ev->xany.window, Xroot, ev->xbutton.x, ev->xbutton.y, &dest_x, &dest_y, &child);
menu = find_menu_by_window(menu_list, child);
if (menu && menu != current_menu) {
D_MENU(("Mouse is actually over window 0x%08x belonging to menu \"%s\"\n", child, menu->title));
ungrab_pointer();
grab_pointer(menu->win);
current_menu->state &= ~(MENU_STATE_IS_FOCUSED);
menu->state |= MENU_STATE_IS_FOCUSED;
if (!menu_is_child(current_menu, menu)) {
menu_reset_tree(current_menu);
}
current_menu = menu;
current_menu->state |= MENU_STATE_IS_DRAGGING;
XTranslateCoordinates(Xdisplay, ev->xany.window, child, ev->xbutton.x, ev->xbutton.y, &dest_x, &dest_y, &child);
item = find_item_by_coords(menu, dest_x, dest_y);
if (!item || item != menuitem_get_current(current_menu)) {
menu_reset_submenus(current_menu);
}
menuitem_change_current(item);
} else if (!menu) {
menuitem_change_current(NULL);
}
}
return 1;
}
unsigned char
menu_dispatch_event(event_t *ev)
{
if (menu_event_data.handlers[ev->type]) {
return ((menu_event_data.handlers[ev->type]) (ev));
}
return (0);
}
menulist_t *menulist_add_menu(menulist_t *list, menu_t *menu)
{
ASSERT_RVAL(menu != NULL, list);
if (list) {
list->nummenus++;
list->menus = (menu_t **) REALLOC(list->menus, sizeof(menu_t *) * list->nummenus);
} else {
list = (menulist_t *) MALLOC(sizeof(menulist_t));
list->nummenus = 1;
list->menus = (menu_t **) MALLOC(sizeof(menu_t *));
}
list->menus[list->nummenus - 1] = menu;
return list;
}
void
menulist_clear(menulist_t *list)
{
unsigned long i;
ASSERT(list != NULL);
for (i = 0; i < list->nummenus; i++) {
menu_delete(list->menus[i]);
}
FREE(list->menus);
LIBAST_X_FREE_GC(topShadowGC);
LIBAST_X_FREE_GC(botShadowGC);
FREE(list);
}
menu_t *menu_create(char *title)
{
menu_t *menu;
static Cursor cursor;
static long mask;
static XSetWindowAttributes xattr;
if (!mask) {
xattr.border_pixel = BlackPixel(Xdisplay, Xscreen);
xattr.save_under = TRUE;
xattr.override_redirect = TRUE;
xattr.colormap = cmap;
cursor = XCreateFontCursor(Xdisplay, XC_left_ptr);
mask = KeyPressMask | PointerMotionMask | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask
| Button1MotionMask | Button2MotionMask | Button3MotionMask;
}
menu = (menu_t *) MALLOC(sizeof(menu_t));
memset(menu, 0, sizeof(menu_t));
menu->title = STRDUP(title ? title : "");
menu->win =
XCreateWindow(Xdisplay, Xroot, 0, 0, 1, 1, 0, Xdepth, InputOutput, CopyFromParent,
CWOverrideRedirect | CWSaveUnder | CWBorderPixel | CWColormap, &xattr);
XDefineCursor(Xdisplay, menu->win, cursor);
XSelectInput(Xdisplay, menu->win, mask);
XStoreName(Xdisplay, menu->win, menu->title);
menu->swin =
XCreateWindow(Xdisplay, menu->win, 0, 0, 1, 1, 0, Xdepth, InputOutput, CopyFromParent,
CWOverrideRedirect | CWSaveUnder | CWBorderPixel | CWColormap, &xattr);
menu->gc = LIBAST_X_CREATE_GC(0, NULL);
menuitem_clear_current(menu);
return menu;
}
void
menu_delete(menu_t *menu)
{
unsigned short i;
ASSERT(menu != NULL);
D_MENU(("Deleting menu \"%s\"\n", menu->title));
for (i = 0; i < menu->numitems; i++) {
menuitem_delete(menu->items[i]);
}
FREE(menu->items);
if (menu->title) {
FREE(menu->title);
}
if (menu->bg) {
if (images[image_menu].norm->pmap->pixmap == menu->bg) {
images[image_menu].norm->pmap->pixmap = None;
}
LIBAST_X_FREE_PIXMAP(menu->bg);
}
if (menu->gc) {
LIBAST_X_FREE_GC(menu->gc);
}
#ifdef MULTI_CHARSET
if (menu->fontset) {
XFreeFontSet(Xdisplay, menu->fontset);
}
#endif
if (menu->font) {
free_font(menu->font);
}
if (menu->swin) {
XDestroyWindow(Xdisplay, menu->swin);
}
if (menu->win) {
XDestroyWindow(Xdisplay, menu->win);
}
FREE(menu);
}
unsigned char
menu_set_title(menu_t *menu, const char *title)
{
ASSERT_RVAL(menu != NULL, 0);
REQUIRE_RVAL(title != NULL, 0);
FREE(menu->title);
menu->title = STRDUP(title);
XStoreName(Xdisplay, menu->win, menu->title);
return 1;
}
unsigned char
menu_set_font(menu_t *menu, const char *fontname)
{
XFontStruct *font;
XGCValues gcvalue;
ASSERT_RVAL(menu != NULL, 0);
REQUIRE_RVAL(fontname != NULL, 0);
font = (XFontStruct *) load_font(fontname, "fixed", FONT_TYPE_X);
#ifdef MULTI_CHARSET
menu->fontset = create_fontset(fontname, etmfonts[def_font_idx]);
#endif
menu->font = font;
menu->fwidth = font->max_bounds.width;
menu->fheight = font->ascent + font->descent + rs_line_space;
gcvalue.font = font->fid;
XChangeGC(Xdisplay, menu->gc, GCFont, &gcvalue);
return 1;
}
unsigned char
menu_add_item(menu_t *menu, menuitem_t *item)
{
ASSERT_RVAL(menu != NULL, 0);
ASSERT_RVAL(item != NULL, 0);
if (menu->numitems) {
menu->numitems++;
menu->items = (menuitem_t **) REALLOC(menu->items, sizeof(menuitem_t *) * menu->numitems);
} else {
menu->numitems = 1;
menu->items = (menuitem_t **) MALLOC(sizeof(menuitem_t *));
}
menu->items[menu->numitems - 1] = item;
return 1;
}
/* Return 1 if submenu is a child of menu, 0 if not. */
unsigned char
menu_is_child(menu_t *menu, menu_t *submenu)
{
register unsigned char i;
register menuitem_t *item;
ASSERT_RVAL(menu != NULL, 0);
ASSERT_RVAL(submenu != NULL, 0);
for (i = 0; i < menu->numitems; i++) {
item = menu->items[i];
if (item->type == MENUITEM_SUBMENU && item->action.submenu) {
if (item->action.submenu == submenu) {
return 1;
} else if (menu_is_child(item->action.submenu, submenu)) {
return 1;
}
}
}
return 0;
}
menu_t *find_menu_by_title(menulist_t *list, char *title)
{
register unsigned char i;
REQUIRE_RVAL(list != NULL, NULL);
for (i = 0; i < list->nummenus; i++) {
if (!strcasecmp(list->menus[i]->title, title)) {
return (list->menus[i]);
}
}
return NULL;
}
menu_t *find_menu_by_window(menulist_t *list, Window win)
{
register unsigned char i;
REQUIRE_RVAL(list != NULL, NULL);
for (i = 0; i < list->nummenus; i++) {
if (list->menus[i]->win == win) {
return (list->menus[i]);
}
}
return NULL;
}
menuitem_t *find_item_by_coords(menu_t *menu, int x, int y)
{
register unsigned char i;
register menuitem_t *item;
ASSERT_RVAL(menu != NULL, NULL);
for (i = 0; i < menu->numitems; i++) {
item = menu->items[i];
if ((x > item->x) && (y > item->y) && (x < item->x + item->w) && (y < item->y + item->h) && (item->type != MENUITEM_SEP)) {
return (item);
}
}
return NULL;
}
unsigned short
find_item_in_menu(menu_t *menu, menuitem_t *item)
{
register unsigned char i;
ASSERT_RVAL(menu != NULL, (unsigned short) -1);
ASSERT_RVAL(item != NULL, (unsigned short) -1);
for (i = 0; i < menu->numitems; i++) {
if (item == menu->items[i]) {
return (i);
}
}
return ((unsigned short) -1);
}
void
menuitem_change_current(menuitem_t *item)
{
menuitem_t *current;
ASSERT(current_menu != NULL);
current = menuitem_get_current(current_menu);
if (current != item) {
D_MENU(("Changing current item in menu \"%s\" from \"%s\" to \"%s\"\n", current_menu->title,
(current ? current->text : "(NULL)"), (item ? item->text : "(NULL)")));
if (current) {
/* Reset the current item */
menuitem_deselect(current_menu);
/* If we're changing from one submenu to another and neither is a child of the other, or if we're changing from a submenu to
no current item at all, reset the tree for the current submenu */
if (current->type == MENUITEM_SUBMENU && current->action.submenu) {
if ((item && item->type == MENUITEM_SUBMENU && item->action.submenu
&& !menu_is_child(current->action.submenu, item->action.submenu)
&& !menu_is_child(item->action.submenu, current->action.submenu))
|| (!item)) {
menu_reset_tree(current->action.submenu);
}
}
}
if (item) {
menuitem_set_current(current_menu, find_item_in_menu(current_menu, item));
menuitem_select(current_menu);
if (item->type == MENUITEM_SUBMENU) {
/* Display the submenu */
menu_display_submenu(current_menu, item);
}
} else {
menuitem_clear_current(current_menu);
}
} else {
D_MENU(("Current item in menu \"%s\" does not require changing.\n", current_menu->title));
}
}
menuitem_t *menuitem_create(char *text)
{
menuitem_t *menuitem;
menuitem = (menuitem_t *) MALLOC(sizeof(menuitem_t));
memset(menuitem, 0, sizeof(menuitem_t));
if (text) {
menuitem->text = STRDUP(text);
menuitem->len = strlen(text);
}
return menuitem;
}
void
menuitem_delete(menuitem_t *item)
{
ASSERT(item != NULL);
if (item->icon) {
free_simage(item->icon);
}
if (item->type == MENUITEM_STRING || item->type == MENUITEM_LITERAL || item->type == MENUITEM_ECHO) {
FREE(item->action.string);
} else if (item->type == MENUITEM_SCRIPT) {
FREE(item->action.script);
} else if (item->type == MENUITEM_ALERT) {
FREE(item->action.alert);
}
if (item->text) {
FREE(item->text);
}
if (item->rtext) {
FREE(item->rtext);
}
FREE(item);
}
unsigned char
menuitem_set_text(menuitem_t *item, const char *text)
{
ASSERT_RVAL(item != NULL, 0);
REQUIRE_RVAL(text != NULL, 0);
if (item->text) {
FREE(item->text);
}
item->text = STRDUP(text);
item->len = strlen(text);
return 1;
}
unsigned char
menuitem_set_icon(menuitem_t *item, simage_t *icon)
{
ASSERT_RVAL(item != NULL, 0);
ASSERT_RVAL(icon != NULL, 0);
item->icon = icon;
return 1;
}
unsigned char
menuitem_set_action(menuitem_t *item, unsigned char type, char *action)
{
ASSERT_RVAL(item != NULL, 0);
item->type = type;
switch (type) {
case MENUITEM_SUBMENU:
item->action.submenu = find_menu_by_title(menu_list, action);
break;
case MENUITEM_SCRIPT:
item->action.script = STRDUP(action);
break;
case MENUITEM_ALERT:
item->action.alert = STRDUP(action);
break;
case MENUITEM_STRING:
case MENUITEM_ECHO:
case MENUITEM_LITERAL:
item->action.string = (char *) MALLOC(strlen(action) + 2);
strcpy(item->action.string, action);
if (type != MENUITEM_LITERAL)
parse_escaped_string(item->action.string);
break;
default:
break;
}
return 1;
}
unsigned char
menuitem_set_rtext(menuitem_t *item, char *rtext)
{
ASSERT_RVAL(item != NULL, 0);
ASSERT_RVAL(rtext != NULL, 0);
item->rtext = STRDUP(rtext);
item->rlen = strlen(rtext);
return 1;
}
void
menu_reset(menu_t *menu)
{
ASSERT(menu != NULL);
D_MENU(("menu_reset(menu %8p \"%s\"), window 0x%08x\n", menu, menu->title, menu->win));
if (!(menu->state & MENU_STATE_IS_MAPPED)) {
return;
}
menu->state &= ~(MENU_STATE_IS_CURRENT | MENU_STATE_IS_DRAGGING | MENU_STATE_IS_MAPPED);
XUnmapWindow(Xdisplay, menu->swin);
XUnmapWindow(Xdisplay, menu->win);
menuitem_clear_current(menu);
}
void
menu_reset_all(menulist_t *list)
{
register unsigned short i;
ASSERT(list != NULL);
if (list->nummenus == 0)
return;
D_MENU(("menu_reset_all(%8p) called\n", list));
if (current_menu && menuitem_get_current(current_menu)) {
menuitem_deselect(current_menu);
}
for (i = 0; i < list->nummenus; i++) {
menu_reset(list->menus[i]);
}
current_menu = NULL;
}
void
menu_reset_tree(menu_t *menu)
{
register unsigned short i;
register menuitem_t *item;
ASSERT(menu != NULL);
D_MENU(("menu_reset_tree(menu %8p \"%s\"), window 0x%08x\n", menu, menu->title, menu->win));
if (!(menu->state & MENU_STATE_IS_MAPPED)) {
return;
}
for (i = 0; i < menu->numitems; i++) {
item = menu->items[i];
if (item->type == MENUITEM_SUBMENU && item->action.submenu) {
menu_reset_tree(item->action.submenu);
}
}
menu_reset(menu);
}
void
menu_reset_submenus(menu_t *menu)
{
register unsigned short i;
register menuitem_t *item;
ASSERT(menu != NULL);
D_MENU(("menu_reset_submenus(menu %8p \"%s\"), window 0x%08x\n", menu, menu->title, menu->win));
for (i = 0; i < menu->numitems; i++) {
item = menu->items[i];
if (item->type == MENUITEM_SUBMENU && item->action.submenu) {
menu_reset_tree(item->action.submenu);
}
}
}
void
menuitem_select(menu_t *menu)
{
static Pixel top = 0, bottom = 0;
menuitem_t *item;
ASSERT(menu != NULL);
if (top == 0) {
top = get_top_shadow_color(images[image_submenu].selected->bg, "submenu top shadow color");
bottom = get_bottom_shadow_color(images[image_submenu].selected->bg, "submenu bottom shadow color");
}
item = menuitem_get_current(menu);
REQUIRE(item != NULL);
D_MENU(("Selecting new current item \"%s\" within menu \"%s\" (window 0x%08x, selection window 0x%08x)\n", item->text,
menu->title, menu->win, menu->swin));
item->state |= MENU_STATE_IS_CURRENT;
XMoveWindow(Xdisplay, menu->swin, item->x, item->y);
XMapWindow(Xdisplay, menu->swin);
if (item->type == MENUITEM_SUBMENU) {
render_simage(images[image_submenu].selected, menu->swin, item->w - MENU_VGAP, item->h, image_submenu, 0);
if (image_mode_is(image_submenu, MODE_AUTO)) {
enl_ipc_sync();
} else if (!image_mode_is(image_submenu, MODE_MASK)) {
draw_shadow_from_colors(menu->swin, top, bottom, 0, 0, item->w - MENU_VGAP, item->h, 2);
draw_arrow_from_colors(menu->swin, top, bottom, item->w - 3 * MENU_HGAP, (item->h - MENU_VGAP) / 2, MENU_VGAP, 2,
DRAW_ARROW_RIGHT);
}
} else {
if (image_mode_is(image_menu, MODE_MASK)) {
render_simage(images[image_menu].selected, menu->swin, item->w - MENU_VGAP, item->h, image_menu, 0);
} else {
draw_shadow_from_colors(menu->swin, top, bottom, 0, 0, item->w - MENU_VGAP, item->h, 2);
}
if (image_mode_is(image_menu, MODE_AUTO)) {
enl_ipc_sync();
}
}
XSetForeground(Xdisplay, menu->gc, images[image_menu].selected->fg);
draw_string(menu->swin, menu->gc, MENU_HGAP, item->h - MENU_VGAP, item->text, item->len);
if (item->rtext) {
draw_string(menu->swin, menu->gc, item->w - XTextWidth(menu->font, item->rtext, item->rlen) - 2 * MENU_HGAP,
item->h - MENU_VGAP, item->rtext, item->rlen);
}
XSetForeground(Xdisplay, menu->gc, images[image_menu].norm->fg);
}
void
menuitem_deselect(menu_t *menu)
{
menuitem_t *item;
ASSERT(menu != NULL);
item = menuitem_get_current(menu);
REQUIRE(item != NULL);
D_MENU(("Deselecting item \"%s\"\n", item->text));
item->state &= ~(MENU_STATE_IS_CURRENT);
XUnmapWindow(Xdisplay, menu->swin);
}
void
menu_display_submenu(menu_t *menu, menuitem_t *item)
{
menu_t *submenu;
ASSERT(menu != NULL);
ASSERT(item != NULL);
REQUIRE(item->action.submenu != NULL);
submenu = item->action.submenu;
D_MENU(("Displaying submenu \"%s\" (window 0x%08x) of menu \"%s\" (window 0x%08x)\n", submenu->title, submenu->win, menu->title,
menu->win));
menu_invoke(item->x + item->w, item->y, menu->win, submenu, CurrentTime);
/* Invoking the submenu makes it current. Undo that behavior. */
ungrab_pointer();
grab_pointer(menu->win);
current_menu->state &= ~(MENU_STATE_IS_CURRENT);
current_menu = menu;
menu->state |= MENU_STATE_IS_CURRENT;
}
void
menu_move(menu_t *menu, unsigned short x, unsigned short y)
{
ASSERT(menu != NULL);
D_MENU(("Moving menu \"%s\" to %hu, %hu\n", menu->title, x, y));
menu->x = x;
menu->y = y;
XMoveWindow(Xdisplay, menu->win, menu->x, menu->y);
if (image_mode_is(image_menu, (MODE_TRANS | MODE_VIEWPORT))) {
menu_draw(menu);
}
}
void
menu_draw(menu_t *menu)
{
register unsigned short i, len;
unsigned long width, height;
unsigned short str_x, str_y;
XGCValues gcvalue;
int ascent, descent, direction, dx, dy;
XCharStruct chars;
Screen *scr;
ASSERT(menu != NULL);
scr = ScreenOfDisplay(Xdisplay, Xscreen);
if (!menu->font) {
menu_set_font(menu, etfonts[def_font_idx]);
}
gcvalue.foreground = images[image_menu].norm->fg;
gcvalue.graphics_exposures = False;
XChangeGC(Xdisplay, menu->gc, GCForeground | GCGraphicsExposures, &gcvalue);
if (!menu->w) {
unsigned short longest;
len = strlen(menu->title);
longest = XTextWidth(menu->font, menu->title, len);
height = menu->fheight + 3 * MENU_VGAP;
for (i = 0; i < menu->numitems; i++) {
unsigned short j = menu->items[i]->len;
menuitem_t *item = menu->items[i];
width = XTextWidth(menu->font, item->text, j);
if (item->rtext) {
width += XTextWidth(menu->font, item->rtext, item->rlen) + (2 * MENU_HGAP);
}
longest = (longest > width) ? longest : width;
height += ((item->type == MENUITEM_SEP) ? (MENU_VGAP) : (menu->fheight)) + MENU_VGAP;
}
width = longest + (4 * MENU_HGAP);
if (images[image_submenu].selected->iml->pad) {
width += images[image_submenu].selected->iml->pad->left + images[image_submenu].selected->iml->pad->right;
}
if (!image_mode_is(image_menu, MODE_MASK) || !image_mode_is(image_submenu, MODE_MASK)) {
width += 3 * MENU_VGAP;
}
menu->w = width;
menu->h = height;
}
/* If the menu will come up offscreen, move all the other menus out of the way. */
dx = scr->width - menu->w - menu->x;
dy = scr->height - menu->h - menu->y;
D_MENU((" -> Menu is %hux%hu at %hu, %hu, dx is %d, dy is %d\n", menu->w, menu->h, menu->x, menu->y, dx, dy));
if (dx < 0 || dy < 0) {
register short i;
if (dx >= 0) {
dx = 0;
} else if (menu->w > scr->width) {
dx = -menu->x;
menu->x = 0;
} else {
menu->x = scr->width - menu->w;
}
if (dy >= 0) {
dy = 0;
} else if (menu->h > scr->height) {
dy = -menu->y;
menu->y = 0;
} else {
menu->y = scr->height - menu->h;
}
D_MENU((" -> New x, y is %hu, %hu\n", menu->x, menu->y));
for (i = menu_list->nummenus - 1; i >= 0; i--) {
menu_t *tmp = menu_list->menus[i];
if (tmp == menu) {
continue;
}
D_MENU((" -> Checking menu \"%s\" to see if it needs to be moved.\n", tmp->title));
if (tmp->state & MENU_STATE_IS_MAPPED) {
int x = tmp->x + dx, y = tmp->y + dy;
int this_dx, this_dy;
if (x < 0) {
x = 0;
this_dx = -tmp->x;
} else {
this_dx = dx;
}
if (y < 0) {
y = 0;
this_dy = -tmp->y;
} else {
this_dy = 0;
}
D_MENU((" -> Moving menu to %d, %d (a change of %d, %d from %d, %d)\n", x, y, this_dx, this_dy, tmp->x, tmp->y));
XWarpPointer(Xdisplay, tmp->win, None, 0, 0, tmp->w, tmp->h, this_dx, this_dy);
menu_move(tmp, x, y);
}
}
}
XMoveResizeWindow(Xdisplay, menu->win, menu->x, menu->y, menu->w, menu->h);
/* Size and render selected item window */
XResizeWindow(Xdisplay, menu->swin, menu->w - 2 * MENU_HGAP, menu->fheight + MENU_VGAP);
/* This must come before the rendering of the menu window so that pmap->pixmap is guaranteed to be the menu background. */
render_simage(images[image_menu].selected, menu->swin, menu->w - 2 * MENU_HGAP, menu->fheight + MENU_VGAP, image_menu, 0);
if (image_mode_is(image_menu, MODE_AUTO)) {
enl_ipc_sync();
}
XUnmapWindow(Xdisplay, menu->swin);
/* Draw menu background */
render_simage(images[image_menu].norm, menu->win, menu->w, menu->h, image_menu, RENDER_FORCE_PIXMAP);
menu->bg = images[image_menu].norm->pmap->pixmap;
if (!image_mode_is(image_menu, MODE_MASK)) {
draw_shadow_from_colors(menu->bg, PixColors[menuTopShadowColor], PixColors[menuBottomShadowColor], 0, 0, menu->w, menu->h,
2);
}
D_MENU(("Menu background is 0x%08x\n", menu->bg));
XMapWindow(Xdisplay, menu->win);
XRaiseWindow(Xdisplay, menu->win);
str_x = 2 * MENU_HGAP;
if (images[image_menu].selected->iml->pad) {
str_x += images[image_menu].selected->iml->pad->left;
}
str_y = menu->fheight + MENU_VGAP;
len = strlen(menu->title);
XTextExtents(menu->font, menu->title, len, &direction, &ascent, &descent, &chars);
draw_string(menu->bg, menu->gc, center_coords(2 * MENU_HGAP, menu->w - 2 * MENU_HGAP) - (chars.width >> 1),
str_y - chars.descent - MENU_VGAP / 2, menu->title, len);
draw_shadow(menu->bg, topShadowGC, botShadowGC, str_x, str_y - chars.descent - MENU_VGAP / 2 + 1, menu->w - (4 * MENU_HGAP),
MENU_VGAP, 2);
str_y += MENU_VGAP;
for (i = 0; i < menu->numitems; i++) {
menuitem_t *item = menu->items[i];
if (item->type == MENUITEM_SEP) {
str_y += 2 * MENU_VGAP;
if (!item->x) {
item->x = MENU_HGAP;
item->y = str_y - 2 * MENU_VGAP;
item->w = menu->w - MENU_HGAP;
item->h = 2 * MENU_VGAP;
D_MENU(("Hot Area at %hu, %hu to %hu, %hu (width %hu, height %hu)\n", item->x, item->y, item->x + item->w,
item->y + item->h, item->w, item->h));
}
draw_shadow(menu->bg, botShadowGC, topShadowGC, str_x, str_y - MENU_VGAP - MENU_VGAP / 2, menu->w - 4 * MENU_HGAP,
MENU_VGAP, 2);
} else {
str_y += menu->fheight + MENU_VGAP;
if (!item->x) {
item->x = MENU_HGAP;
item->y = str_y - menu->fheight - MENU_VGAP / 2;
item->w = menu->w - MENU_HGAP;
item->h = menu->fheight + MENU_VGAP;
D_MENU(("Hot Area at %hu, %hu to %hu, %hu (width %hu, height %hu)\n", item->x, item->y, item->x + item->w,
item->y + item->h, item->w, item->h));
}
switch (item->type) {
case MENUITEM_SUBMENU:
if (image_mode_is(image_submenu, MODE_MASK)) {
paste_simage(images[image_submenu].norm, image_submenu, menu->win, menu->bg, item->x, item->y,
item->w - MENU_VGAP, item->h);
} else {
draw_arrow_from_colors(menu->bg, PixColors[menuTopShadowColor], PixColors[menuBottomShadowColor],
item->x + item->w - 3 * MENU_HGAP, item->y + (item->h - MENU_VGAP) / 2, MENU_VGAP, 2,
DRAW_ARROW_RIGHT);
}
break;
default:
break;
}
draw_string(menu->bg, menu->gc, str_x, str_y - MENU_VGAP / 2, item->text, item->len);
if (item->rtext) {
draw_string(menu->bg, menu->gc, str_x + item->w - XTextWidth(menu->font, item->rtext, item->rlen) - 3 * MENU_HGAP,
str_y - MENU_VGAP / 2, item->rtext, item->rlen);
}
}
}
XSetWindowBackgroundPixmap(Xdisplay, menu->win, menu->bg);
XClearWindow(Xdisplay, menu->win);
}
void
menu_display(int x, int y, menu_t *menu)
{
ASSERT(menu != NULL);
menu->state |= (MENU_STATE_IS_CURRENT);
current_menu = menu;
/* Move, render, and map menu window */
menu->x = x;
menu->y = y;
D_MENU(("Displaying menu \"%s\" (window 0x%08x) at root coordinates %d, %d\n", menu->title, menu->win, menu->x, menu->y));
PROF_FUNC(menu_draw, menu_draw(menu));
menu->state |= (MENU_STATE_IS_MAPPED);
/* Take control of the pointer so we get all events for it, even those outside the menu window */
grab_pointer(menu->win);
}
void
menu_action(menuitem_t *item)
{
ASSERT(item != NULL);
D_MENU(("menu_action() called to invoke %s\n", item->text));
switch (item->type) {
case MENUITEM_SEP:
D_MENU(("Internal Program Error: menu_action() called for a separator.\n"));
break;
case MENUITEM_SUBMENU:
D_MENU(("Internal Program Error: menu_action() called for a submenu.\n"));
break;
case MENUITEM_STRING:
cmd_write((unsigned char *) item->action.string, strlen(item->action.string));
break;
case MENUITEM_ECHO:
case MENUITEM_LITERAL:
#ifdef ESCREEN
if (TermWin.screen && TermWin.screen->backend) {
/* translate escapes */
switch (TermWin.screen->backend) {
# ifdef NS_HAVE_SCREEN
case NS_MODE_SCREEN:
if (item->type == MENUITEM_ECHO) {
ns_parse_screen_interactive(TermWin.screen, item->action.string);
} else {
ns_screen_command(TermWin.screen, item->action.string);
}
break;
# endif
default:
tt_write((unsigned char *) item->action.string, strlen(item->action.string));
}
} else
#endif
tt_write((unsigned char *) item->action.string, strlen(item->action.string));
break;
case MENUITEM_SCRIPT:
script_parse((char *) item->action.script);
break;
case MENUITEM_ALERT:
menu_dialog(NULL, item->action.alert, 0, NULL, NULL);
break;
default:
libast_fatal_error("Internal Program Error: Unknown menuitem type: %u\n", item->type);
break;
}
}
void
menu_invoke(int x, int y, Window win, menu_t *menu, Time timestamp)
{
int root_x = x, root_y = y;
Window unused;
REQUIRE(menu != NULL);
if (timestamp != CurrentTime) {
button_press_time = timestamp;
}
if (win != Xroot) {
XTranslateCoordinates(Xdisplay, win, Xroot, x, y, &root_x, &root_y, &unused);
}
menu_display(root_x, root_y, menu);
}
void
menu_invoke_by_title(int x, int y, Window win, char *title, Time timestamp)
{
menu_t *menu;
REQUIRE(title != NULL);
REQUIRE(menu_list != NULL);
menu = find_menu_by_title(menu_list, title);
if (!menu) {
D_MENU(("Menu \"%s\" not found!\n", title));
return;
}
menu_invoke(x, y, win, menu, timestamp);
}
/* tab completion for screen-commands
xd extra-data (current unused)
sc keywords for tab-completion
nsc entries in sc
!b current entry (changes)
l number of characters to compare in current entry
m maximum number of characters in entry (size of input buffer)
<- error code */
int
menu_tab(void *xd, char *sc[], int nsc, char *b, size_t l, size_t m)
{
int n, n2 = 0;
USE_VAR(xd);
for (n = 0; n < nsc; n++) { /* second tab? cycle. */
if ((!strcasecmp(b, sc[n])) && (n < nsc - 1) && !strncasecmp(b, sc[n + 1], l)) {
n2 = n + 1;
break;
}
}
for (n = n2; n < nsc; n++) {
if (!strncasecmp(b, sc[n], l)) {
if (strcmp(b, sc[n])) {
if (strlen(sc[n]) >= m) /* buffer would overflow => fail */
return -1;
strcpy(b, sc[n]);
return 0;
}
}
}
return -1;
}
/* open a dialog. this is a bit of a hack and should really resize otf.
xd extra-data (userdef) for inp_tab
prompt the prompt, obviously. required.
maxlen how long the input may get. 0 for an uneditable alert box.
!retstr the address of a pointer. that actual pointer may be NULL,
or point to a default value for the input. after completion,
the pointer will reference the user's input, or be NULL if
the user cancelled input
inp_tab function doing tab-completion, NULL for none
<- error code (0 succ, -1 fail, -2 cancel)
*/
int
menu_dialog(void *xd, char *prompt, int maxlen, char **retstr, int (*inp_tab) (void *, char *, size_t, size_t))
{
static unsigned char short_buf[256];
unsigned char *kbuf = short_buf;
menu_t *m;
menuitem_t *i;
register int ch;
int f = 0, len, ret = -1, tab = 0;
XEvent ev;
KeySym keysym;
char *b, *old;
int l;
if (!prompt || !*prompt)
return ret;
if (!maxlen || !retstr) {
inp_tab = NULL;
maxlen = 0;
retstr = NULL;
if (!(b = STRDUP("Press \"Return\" to continue..."))) {
return ret;
}
} else {
if ((!(b = MALLOC(maxlen + 1)))) {
return ret;
} else if (*retstr) {
strncpy(b, *retstr, maxlen);
b[maxlen] = '\0';
} else {
b[0] = '\0';
}
}
/* Hide any menu that might've brought up this dialog. */
menu_reset_all(menu_list);
if ((m = menu_create(prompt))) {
for (l = 0; l < menu_list->nummenus; l++) {
if (menu_list->menus[l]->font) {
/* copycat font entry to blend in with l&f */
m->font = menu_list->menus[l]->font;
m->fwidth = menu_list->menus[l]->fwidth;
m->fheight = menu_list->menus[l]->fheight;
#ifdef MULTI_CHARSET
m->fontset = menu_list->menus[l]->fontset;
#endif
break;
}
}
if ((i = menuitem_create("..."))) {
old = i->text;
i->text = b;
i->len = strlen(b);
if (m->font) {
/* pre-calc width so we can center the dialog */
l = strlen(prompt);
if (i->len > l) {
l = XTextWidth(m->font, i->text, i->len);
} else {
l = XTextWidth(m->font, prompt, l);
}
} else {
l = 200;
}
menuitem_set_action(i, MENUITEM_STRING, "error");
menu_add_item(m, i);
menu_invoke((int) ((TermWin_TotalWidth() - l) / 2), (int) (TermWin_TotalHeight() / 2) - 20, TermWin.parent, m,
CurrentTime);
ungrab_pointer();
do {
int ret;
for (;;) {
ret = XNextEvent(Xdisplay, &ev);
D_MENU(("In menu_dialog(%s): XNextEvent() returned %d with a %s event.\n",
NONULL(prompt), ret, event_type_to_name(ev.type)));
/* Handle all events normally *except* for keypresses; those are handled here. */
if (ev.type == KeyPress) {
break;
} else {
process_x_event(&ev);
if (ev.type == Expose) {
/* Not very efficient, but we're waiting for user input, so screw it. */
scr_refresh(refresh_type);
}
}
}
len = XLookupString(&ev.xkey, (char *) kbuf, sizeof(short_buf), &keysym, NULL);
ch = kbuf[0];
l = strlen(b);
if (ch != '\t')
tab = 0;
if (ch >= ' ') {
if (l < maxlen) {
b[l + 1] = '\0';
b[l] = ch;
if (!l && (maxlen == 1)) {
/* special case: one char */
/* answer auto-returns */
f = 1;
}
}
} else if ((ch == '\n') || (ch == '\r')) {
f = 1;
} else if (ch == '\x08') {
if (maxlen && l) {
b[--l] = '\0';
}
} else if ((ch == '\t') && inp_tab) {
if (!tab) {
tab = l;
}
inp_tab(xd, b, tab, maxlen);
} else if (ch == '\x1b') {
f = 2;
}
i->len = strlen(b);
menu_draw(m);
} while (!f);
i->text = old;
i->len = strlen(old);
/* we could just return b, but it might be longer than we need */
if (retstr) {
if (*retstr) {
/* Free the old string so we don't leak memory. */
FREE(*retstr);
}
*retstr = (!maxlen || (f == 2)) ? NULL : STRDUP(b);
}
ret = (f == 2) ? -2 : 0;
}
m->font = NULL;
#ifdef MULTI_CHARSET
m->fontset = NULL;
#endif
if (current_menu == m) {
current_menu = NULL;
}
menu_delete(m);
}
FREE(b);
return ret;
}
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