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Arquivotheca.SunOS-4.1.4/usr.lib/libsuntool/menu/walkmenu_render.c
seta75D ff309bfe1c Init
2021-10-11 18:37:13 -03:00

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#ifndef lint
#ifdef sccs
static char sccsid[] = "@(#)walkmenu_render.c 1.1 94/10/31 Copyright 1985 Sun Micro";
#endif
#endif
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
/*-
WALKING MENU PACKAGE
walkmenu_render.c, Sun Jun 30 15:38:39 1985
Craig Taylor,
Sun Microsystems
*/
/* ------------------------------------------------------------------------- */
#include <sys/types.h>
#include <sys/time.h>
#include <stdio.h>
#include <fcntl.h>
#include <varargs.h>
#include <pixrect/pixrect.h>
#include <pixrect/pr_util.h>
#include <pixrect/memvar.h>
#include <sunwindow/rect.h>
#include <sunwindow/rectlist.h>
#include <sunwindow/cms.h>
#include <sunwindow/pixwin.h>
#include <sunwindow/win_screen.h>
#include <sunwindow/win_input.h>
#include <sunwindow/win_cursor.h>
#include <sunwindow/win_struct.h>
#include <sunwindow/win_ioctl.h>
#include <suntool/fullscreen.h>
#include <suntool/window.h>
#include <suntool/walkmenu_impl.h>
#define PIXRECT_NULL ((struct pixrect *)0)
#define SCREEN_MARGIN 10 /* Minimum number of pixels away
* from the edge of the screen a menu's
* left and top sides should be.
* (to enable backing out of
* pullright menus
*/
/* ------------------------------------------------------------------------- */
/*
* Public
*/
/* None */
/*
* Package private
*/
Pkg_extern struct pixrect menu_arrow_pr; /* in walkmenu_create.c */
Pkg_extern struct fullscreen *menu_fs; /* in walkmenu_public.c */
Pkg_extern int menu_curitem();
Pkg_private int menu_render();
/*
* Private
*/
Private int compute_item_size();
Private int compute_dimensions();
Private void compute_rects();
Private void render_items();
Private int render_pullright();
Private void paint_shadow();
Private void paint_menu();
Private void feedback();
Private void constrainrect();
Private void destroy_gen_items();
/*
* Private defs
*/
#define MENU_SHADOW 6 /* Width of menu shadow */
#define MENU_BORDER 1 /* Width of menu border */
#define STANDOFF 3 /* 1/2 the number of active pixels left of the menu */
extern int sv_journal;
extern void win_sync();
static int old_mousex, old_mousey;
int menu_count;
/* ------------------------------------------------------------------------- */
/*
* Menu_render modifies the inputevent parameter iep.
* It should contain the last active inputevent read for the fd.
*/
Pkg_private int
menu_render(menu, dynamic, parent, subrect, reenter, fd)
struct menu *menu;
struct menu_info *dynamic;
struct menu_item *parent;
struct rectnode *subrect;
int fd;
{
register struct menu *m;
register struct menu_item *mi;
register curitem, item_width, item_height;
register struct inputevent *iep;
register short menu_button, locx;
struct image *std_image;
struct menu *(*gen_proc)();
struct rect menurect, activerect, saverect, itemrect;
struct pixrect *menu_image, *items_image;
Pw_pixel_cache *pixel_cache;
int stand_off, status, gen_items;
int margin, right_margin, ncols, nrows;
/*
* Initial setup: Pull out dynamic information.
*/
menu->dynamic_info = dynamic, menu->parent = parent;
dynamic->depth++;
iep = dynamic->last_iep;
menu_button = iep->ie_code;
stand_off = reenter == FALSE && menu->stand_off;
pixel_cache = PW_PIXEL_CACHE_NULL, gen_items = FALSE, gen_proc = NULL;
/*
* Dynamically create the menu if requested.
*/
if (gen_proc = menu->gen_proc) {
m = (gen_proc)(menu, MENU_DISPLAY);
if (m == NULL) {
(void) fprintf(stderr,
"menu_show: menu's gen_proc failed to generate a menu.\n");
goto error_exit;
}
m->dynamic_info = dynamic, m->parent = parent;
} else {
m = menu;
}
/*
* No items, return to parent menu
*/
if (m->nitems == 0) {
status = 1;
goto exit;
}
/*
* Find the current menu item
*/
if (reenter) { /* Based on default selection */
curitem = menu_curitem(m, m->default_selection, 1);
} else { /* Based on initial selection */
curitem = menu_curitem(m, m->initial_selection, 1);
if (!curitem) {
status = 1;
goto exit;
}
}
/*
* Compute the size of an item.
*/
std_image = &m->default_image;
gen_items = compute_item_size(m, std_image);
item_width = std_image->width;
item_height = std_image->height;
margin = std_image->margin;
right_margin = std_image->right_margin;
/*
* Automatically compute the elided dimension.
*/
if (!compute_dimensions(m, item_width, item_height,
&menurect, &ncols, &nrows))
goto error_exit;
/*
* Compute the rects:
* menurect - represents the area of the menu including its borders.
* activerect - extends the left edge of the menurect. Cursor motion
* is mapped to its associated menu with this rect.
* saverect - extended menurect with includes the menu shadow.
*/
compute_rects(m, iep, stand_off, curitem,
item_width, item_height, ncols, nrows,
&menurect, &activerect, &saverect);
/*
* Save the mouse position so that after selecting, it will return
* to the same place
*/
if (menu_count++ == 0){
old_mousex = win_get_vuid_value(fd, LOC_X_ABSOLUTE);
old_mousey = win_get_vuid_value(fd, LOC_Y_ABSOLUTE);
}
/*
* Save image under menu, generate menu and display it.
*/
if (((pixel_cache = pw_save_pixels(menu_fs->fs_pixwin, &saverect)) ==
PW_PIXEL_CACHE_NULL) ||
(pw_primary_cached_mpr(menu_fs->fs_pixwin, pixel_cache) ==
(struct pixrect *)0))
goto error_exit;
/*
* Create pixrect w/menu image.
* For now assume that the menu is monochrome.
*/
menu_image = mem_create(saverect.r_width, saverect.r_height, 1);
items_image = pr_region(menu_image, MENU_BORDER, MENU_BORDER,
item_width * ncols, item_height * nrows);
paint_shadow(menu_image, m->shadow_pr,
pw_primary_cached_mpr(menu_fs->fs_pixwin, pixel_cache));
render_items(m, std_image, items_image, ncols, nrows);
/*
* Display the menu and provide item highlighting.
*/
(void) pw_lock(menu_fs->fs_pixwin, &saverect);
paint_menu(menu_image, &saverect, (m->shadow_pr)? 1: 0);
if (!stand_off)
feedback(m, &menurect, curitem, ncols, nrows, MENU_PROVIDE_FEEDBACK);
(void) pw_unlock(menu_fs->fs_pixwin);
mem_destroy(items_image);
mem_destroy(menu_image);
if (sv_journal) {
win_sync(WIN_SYNC_MENU, fd);
}
/* From here on any returns from this procedure should go thru exit: */
/*
* Handle initial selection expansion
*/
if (!reenter && !m->display_one_level) {
mi = m->item_list[curitem - 1];
if (mi->pullright && !mi->inactive && !mi->selected &&
(mi->value || mi->gen_pullright))
{
if (!mi->gen_pullright) { /* FIXME: Should handle gen pullright */
struct menu *mn = (struct menu *)LINT_CAST(mi->value);
if (!menu_curitem(mn, mn->initial_selection, 0))
goto enter_input_loop;
}
if (stand_off) {
feedback(m, &menurect,
curitem, ncols, nrows, MENU_PROVIDE_FEEDBACK);
}
locx = menurect.r_left;
if (m->column_major)
locx += ((curitem - 1) / nrows + 1) * item_width + MENU_BORDER;
else
locx += ((curitem - 1) % ncols + 1) * item_width + MENU_BORDER;
itemrect.r_width = locx;
locx -= margin + right_margin + mi->image->right_pr->pr_width;
locx -= stand_off ? STANDOFF : -STANDOFF;
iep->ie_locx = locx;
iep->ie_locy = menurect.r_top + MENU_BORDER;
if (m->column_major)
iep->ie_locy += (curitem - 1) % nrows * item_height
+ item_height / 2;
else
iep->ie_locy += (curitem - 1) / ncols * item_height
+ item_height / 2;
itemrect.r_left = locx;
itemrect.r_width -= locx;
itemrect.r_top = iep->ie_locy - item_height / 2;
itemrect.r_height = item_height;
(void) win_setmouseposition(menu_fs->fs_windowfd,
iep->ie_locx, iep->ie_locy);
event_set_id(iep, menu_button);
status = render_pullright(mi, subrect, &menurect, &itemrect, FALSE,fd);
if (status == 0 || --status != 0) goto exit;
stand_off = FALSE;
}
}
enter_input_loop:
if (stand_off) curitem = 0;
locx = iep->ie_locx;
/*
* Track the mouse.
*/
for (;;) {
register int itemx, itemy, newitem;
int arrow_bdry;
if (rect_includespoint(&activerect, iep->ie_locx, iep->ie_locy)) {
/*
* Check if cursor is in the current menu
*/
itemx = iep->ie_locx - menurect.r_left - MENU_BORDER;
if (itemx < 0) itemx = m->nitems; /* Outside menu proper */
else {
itemx = itemx / item_width;
if (itemx >= ncols) itemx = ncols - 1;
}
itemy = (iep->ie_locy - menurect.r_top - MENU_BORDER) / item_height;
if (itemy < 0) itemy = 0;
else if (itemy >= nrows) itemy = nrows - 1;
newitem = m->column_major ?
itemx * nrows + itemy + 1 : itemy * ncols + itemx + 1;
if (newitem > m->nitems) newitem = 0;
} else {
register struct rectnode *rp;
if (subrect && !rect_includespoint(&subrect->rn_rect,
iep->ie_locx, iep->ie_locy)) {
if ((rect_includesrect(&menurect,&subrect->rn_next->rn_rect)) &&
iep->ie_locx < menurect.r_left) {
/*
* cursor is to the left of pullright, and
* parent is obscured by the child menu, so we
* pop back to the parent menu.
*/
status = 1;
goto exit;
}
/*
* Check if cursor is in a parent menu
*/
status = 1;
for (rp = subrect->rn_next; rp;
rp = rp->rn_next ? rp->rn_next->rn_next : NULL, status++) {
if (rect_includespoint(&rp->rn_rect,
iep->ie_locx, iep->ie_locy))
goto exit;
}
}
newitem = 0;
}
/*
* Provide feedback for new item.
*/
if (newitem != curitem) { /* revert item to normal state */
if (curitem)
feedback(m, &menurect,
curitem, ncols, nrows, MENU_REMOVE_FEEDBACK);
curitem = newitem; /* invert new item */
if (curitem) {
feedback(m, &menurect,
curitem, ncols, nrows, MENU_PROVIDE_FEEDBACK);
locx = iep->ie_locx;
}
}
if (locx >= iep->ie_locx) locx = iep->ie_locx;
if (newitem) {
/*
* If item is a menu, recurse.
*/
mi = m->item_list[newitem - 1];
if (mi->pullright)
arrow_bdry = menurect.r_left + MENU_BORDER + STANDOFF
+ (itemx * item_width) + item_width
- (margin + (mi->image->string?right_margin:0)
+ mi->image->right_pr->pr_width);
if (mi->pullright && !mi->inactive
&& (iep->ie_locx > arrow_bdry
|| iep->ie_locx >= locx + m->pullright_delta)
&& (mi->value || mi->gen_pullright))
{
if (iep->ie_locx > arrow_bdry) iep->ie_locx = arrow_bdry;
iep->ie_locy = (menurect.r_top + MENU_BORDER
+ itemy * item_height
+ (item_height / 2));
event_set_id(iep, menu_button);
/* Recurse */
itemrect.r_left = iep->ie_locx;
itemrect.r_width = menurect.r_left + MENU_BORDER + STANDOFF
+ itemx * item_width + item_width - iep->ie_locx;;
itemrect.r_top = iep->ie_locy - item_height / 2;
itemrect.r_height = item_height;
status =
render_pullright(mi, subrect, &menurect, &itemrect, TRUE,fd);
if (status == 0 || --status != 0) goto exit;
locx = iep->ie_locx;
}
}
/*
* Get next input event.
*/
do {
if (input_readevent(menu_fs->fs_windowfd, iep) == -1) {
(void) fprintf(stderr, "menu_show: failed to track cursor.\n");
perror("menu_show");
status = -1;
goto exit;
}
/*
* If button up is the menu button then
* an item has been selected, return it.
*/
if (menu_button == iep->ie_code && win_inputnegevent(iep)) {
if (curitem == 0 || m->item_list[curitem-1]->inactive)
m->dynamic_info->depth = 0, curitem = NULL;
status = 0;
goto exit;
}
else if (event_action(iep) == ACTION_HELP &&
win_inputposevent(iep)) {
if (curitem == 0 || !m->item_list[curitem-1]->help_data)
m->dynamic_info->help = m->help_data;
else
m->dynamic_info->help = m->item_list[curitem-1]->help_data;
m->dynamic_info->depth = 0, curitem = NULL;
status = 0;
goto exit;
}
} while (iep->ie_code != LOC_MOVEWHILEBUTDOWN &&
iep->ie_code != LOC_STILL && iep->ie_code != LOC_MOVE);
}
/* Entry states at the next higher level:
* status<0 abort menu chain (error or null selection),
* status=0 valid selection save selected item,
* status>0 cursor has entered a parent menu.
*/
exit:
if (status == 0 && curitem)
m->selected_position = curitem;
if (status > 0) --m->dynamic_info->depth;
/*
* set the mouse back to the position where it was first clicked
*/
if(--menu_count == 0)
win_setmouseposition(menu_fs->fs_windowfd, old_mousex, old_mousey);
pw_restore_pixels(menu_fs->fs_pixwin, pixel_cache); /* Checks for null */
if (gen_items) destroy_gen_items(m);
m->dynamic_info = NULL;
if (gen_proc) {
(gen_proc)(m, MENU_DISPLAY_DONE);
}
return status;
error_exit:
status = -1;
m->dynamic_info->depth = 0;
goto exit;
}
/*
* Compute max item size. Only zero sized items have to be recomputed
*/
Private int
compute_item_size(menu, std_image)
struct menu *menu;
struct image *std_image;
{
register int width, height, nitems, recompute;
register struct menu_item *mi, **mip;
int gen_items = FALSE;
nitems = menu->nitems;
width = height = 0;
recompute = std_image->width == 0;
/*
* This causes the menu to shrink around the items.
* When the std_image is available at the client interface zeroing the
* size of std_image should be rethought.
*/
std_image->width = std_image->height = 0;
/* Compute max size if any of the items have changed */
for (mip = menu->item_list;mi = *mip, nitems--; mip++) {
mi->parent = menu;
if (mi->gen_proc) {
*mip = mi = (mi->gen_proc)(mi, MENU_DISPLAY);
gen_items = TRUE;
}
/* This is an untested (unnecessary?) optimization */
if (recompute) mi->image->width = 0; /* This forces the size to be
* recompute inside image_get() */
if (mi->image->width == 0) {
width = imax(image_get(mi->image, std_image, IMAGE_WIDTH), width);
height = imax((int)image_get(mi->image, std_image, IMAGE_HEIGHT),
height);
} else {
width = imax(mi->image->width, width);
height = imax(mi->image->height, height);
}
}
std_image->width = width;
std_image->height = height;
return gen_items;
}
/*
* Compute the dimensions of the menu.
*/
Private int
compute_dimensions(menu, iwidth, iheight, rect, ncolp, nrowp)
register struct menu *menu;
int iwidth, iheight;
register Rect *rect;
int *ncolp, *nrowp;
{
register int ncols, nrows;
ncols = menu->ncols;
nrows = menu->nrows;
/* Fix 1015167: subtract SCREEN_MARGIN everywhere */
if (!(ncols && nrows)) {
if (ncols) { /* case: ncols=n, nrows=to fit */
rect->r_width = (ncols * iwidth) +
2*MENU_BORDER + (menu->shadow_pr ? MENU_SHADOW : 0);
if (rect->r_width > menu_fs->fs_screenrect.r_width
-SCREEN_MARGIN) {
ncols = (menu_fs->fs_screenrect.r_width - SCREEN_MARGIN
- 2*MENU_BORDER + (menu->shadow_pr ? MENU_SHADOW : 0))
/ iwidth;
}
nrows = (menu->nitems - 1) / ncols + 1;
} else { /* case: nrows=n, ncols=to fit */
if (!nrows) nrows = menu->nitems; /* Both zero, fit cols */
rect->r_height = (nrows * iheight) +
2*MENU_BORDER + (menu->shadow_pr ? MENU_SHADOW : 0);
if (rect->r_height > menu_fs->fs_screenrect.r_height - SCREEN_MARGIN) {
nrows = (menu_fs->fs_screenrect.r_height - SCREEN_MARGIN
- 2*MENU_BORDER - (menu->shadow_pr ? MENU_SHADOW : 0))
/ iheight;
ncols = (menu->nitems - 1) / nrows + 1;
nrows = (menu->nitems - 1) / ncols + 1;
} else {
ncols = (menu->nitems - 1) / nrows + 1;
}
}
}
rect->r_width = (ncols * iwidth) +
2*MENU_BORDER + (menu->shadow_pr ? MENU_SHADOW : 0);
rect->r_height = (nrows * iheight) +
2*MENU_BORDER + (menu->shadow_pr ? MENU_SHADOW : 0);
if (rect->r_width > menu_fs->fs_screenrect.r_width - SCREEN_MARGIN
|| rect->r_height > menu_fs->fs_screenrect.r_height - SCREEN_MARGIN) {
(void) fprintf(stderr, "menu_show: Menu too large for screen.\n");
return FALSE;
}
*ncolp = ncols;
*nrowp = nrows;
return TRUE;
}
/*
* Compute 3 rects:
* mrect = menu_image;
* srect = mrect + shadow
* irect = input region = menu_rect + stand_off region
*/
Private void
compute_rects(menu, iep, stand_off, curitem,
item_width, item_height, ncols, nrows,
mrect, irect, srect)
struct menu *menu;
struct inputevent *iep;
int stand_off, curitem, item_width, item_height, ncols, nrows;
Rect *mrect, *irect, *srect;
{
int left, top;
left = item_width * (menu->column_major ?
(curitem - 1) / nrows : (curitem - 1) % ncols);
top = item_height * (menu->column_major ?
(curitem - 1) % nrows : (curitem - 1) / ncols);
mrect->r_left = iep->ie_locx - left - MENU_BORDER;
mrect->r_top = iep->ie_locy - top - MENU_BORDER - item_height / 2;
if (left != 0) stand_off = FALSE; /* Not on the edge */
/* Move the menu under the cursor so that it is outside/inside the item */
mrect->r_left += stand_off ? STANDOFF : -STANDOFF;
left = mrect->r_left, top = mrect->r_top;
constrainrect(mrect, &menu_fs->fs_screenrect);
if (left != mrect->r_left || top != mrect->r_top) {
iep->ie_locx -= left - mrect->r_left;
iep->ie_locy -= top - mrect->r_top;
(void) win_setmouseposition(menu_fs->fs_windowfd,
iep->ie_locx, iep->ie_locy);
}
*srect = *mrect; /* Remember total size of affected area */
if (menu->shadow_pr) {
mrect->r_width -= MENU_SHADOW;
mrect->r_height -= MENU_SHADOW;
}
*irect = *mrect;
if (stand_off) {
irect->r_left -= STANDOFF;
irect->r_width += STANDOFF;
}
}
/*
* Rop items into supplied pixrect
*/
Private void
render_items(menu, std_image, pr, ncols, nrows)
struct menu *menu;
struct image *std_image;
struct pixrect *pr;
{
register int top, left, n, i, j;
register struct menu_item **mip;
int item_width, item_height;
register total_height, total_width;
item_width = std_image->width;
item_height = std_image->height;
mip = menu->item_list;
n = 0;
total_height = item_height * nrows;
total_width = item_width * ncols;
if (menu->column_major) {
for (j = left = 0; j < ncols; j++) {
for (i = top = 0; i < nrows; i++) {
if (++n > menu->nitems) break;
if ((*mip)->inactive) {
image_render((*mip)->image, std_image,
LINT_CAST(IMAGE_REGION), pr, left, top,
IMAGE_INACTIVE,
0);
} else {
image_render((*mip)->image, std_image,
LINT_CAST(IMAGE_REGION), pr, left, top,
0);
}
if (menu->h_line || (*mip)->h_line) {
image_vector(0,top+item_height,total_width-1,top+item_height);
}
if (menu->v_line || (*mip)->v_line) {
image_vector(left+item_width,0,left+item_width,total_height-1);
}
top += item_height;
mip++;
}
left += item_width;
}
} else {
for (i = top = n = 0; i < nrows; i++) {
for (j = left = 0; j < ncols; j++) {
if (++n > menu->nitems) break;
if ((*mip)->inactive)
image_render((*mip)->image, std_image,
LINT_CAST(IMAGE_REGION), pr, left, top,
IMAGE_INACTIVE,
0);
else {
image_render((*mip)->image, std_image,
LINT_CAST(IMAGE_REGION), pr, left, top,
0);
}
if (menu->h_line || (*mip)->h_line) {
image_vector(0,top+item_height,total_width-1,top+item_height);
}
if (menu->v_line || (*mip)->v_line) {
image_vector(left+item_width,0,left+item_width,total_height-1);
}
left += item_width;
mip++;
}
top += item_height;
}
}
}
/*
* Handle recursive calls for pullright items
*/
Private int
render_pullright(mi, subrect, menurect, itemrect, reenter, fd)
register struct menu_item *mi;
Rectnode *subrect;
Rect *menurect, *itemrect;
int fd;
{
register struct menu *m, *(*gen_proc)();
struct rectnode menu_node, active_node;
int status;
if (gen_proc = mi->gen_pullright) {
m = (gen_proc)(mi, MENU_DISPLAY);
if (!m) {
(void) fprintf(stderr,
"menu_show: gen_proc failed to generate a pullright menu.\n");
return -1;
}
mi->value = (caddr_t)m;
} else {
m = (struct menu *)LINT_CAST(mi->value);
}
menu_node.rn_next = subrect, menu_node.rn_rect = *menurect;
active_node.rn_next = &menu_node, active_node.rn_rect = *itemrect;
status =
menu_render(m, mi->parent->dynamic_info, mi, &active_node, reenter, fd);
if (gen_proc)
mi->value = (caddr_t)(gen_proc)(mi, MENU_DISPLAY_DONE);
return status;
}
Private void
paint_shadow(pr, shadow_pr, save_pr)
register struct pixrect *pr, *shadow_pr, *save_pr;
{
if (shadow_pr) {
/* Draw borders with shadows */
(void) pr_rop(pr, 0, 0, pr->pr_width - MENU_SHADOW, MENU_BORDER,
PIX_SET, PIXRECT_NULL, 0, 0);
(void) pr_rop(pr, 0, MENU_BORDER,
MENU_BORDER, pr->pr_height - MENU_SHADOW - 2*MENU_BORDER,
PIX_SET, PIXRECT_NULL, 0, 0);
(void) pr_rop(pr,
pr->pr_width - MENU_SHADOW - MENU_BORDER, MENU_BORDER,
MENU_BORDER, pr->pr_height - MENU_SHADOW - 2*MENU_BORDER,
PIX_SET, PIXRECT_NULL, 0, 0);
(void) pr_rop(pr, 0, pr->pr_height - MENU_SHADOW - MENU_BORDER,
pr->pr_width - MENU_SHADOW, MENU_BORDER,
PIX_SET, PIXRECT_NULL, 0, 0);
/* Fill in with background */
(void) pr_rop(pr, pr->pr_width - MENU_SHADOW, 0,
MENU_SHADOW, pr->pr_height,
PIX_SRC, save_pr, pr->pr_width - MENU_SHADOW, 0);
(void) pr_rop(pr, 0, pr->pr_height - MENU_SHADOW,
pr->pr_width - MENU_SHADOW, MENU_SHADOW,
PIX_SRC, save_pr, 0, pr->pr_height - MENU_SHADOW);
/* Rop shadow over background */
(void) pr_replrop(pr, pr->pr_width - MENU_SHADOW, MENU_SHADOW,
MENU_SHADOW, pr->pr_height - MENU_SHADOW,
PIX_SRC /* |PIX_DST opaque shadow */, shadow_pr,
pr->pr_width - MENU_SHADOW, MENU_SHADOW);
(void) pr_replrop(pr, MENU_SHADOW, pr->pr_height - MENU_SHADOW,
pr->pr_width - 2 * MENU_SHADOW, MENU_SHADOW,
PIX_SRC /* |PIX_DST */, shadow_pr,
MENU_SHADOW, pr->pr_height - MENU_SHADOW);
} else {
/* Draw borders without shadows */
(void) pr_rop(pr, 0, 0, pr->pr_width, MENU_BORDER, PIX_SET,
PIXRECT_NULL, 0, 0);
(void) pr_rop(pr, 0, MENU_BORDER - 1,
MENU_BORDER, pr->pr_height - 2*MENU_BORDER,
PIX_SET, PIXRECT_NULL, 0, 0);
(void) pr_rop(pr, pr->pr_width - MENU_BORDER - 1, MENU_BORDER - 1,
MENU_BORDER, pr->pr_height - 2*MENU_BORDER, PIX_SET,
PIXRECT_NULL, 0, 0);
(void) pr_rop(pr, 0, pr->pr_height - MENU_BORDER - 1,
pr->pr_width, MENU_BORDER,
PIX_SET, PIXRECT_NULL, 0, 0);
}
}
Private void
paint_menu(image, rect, shadow)
register struct pixrect *image;
register Rect *rect;
register int shadow;
{
if (menu_fs->fs_pixwin->pw_pixrect->pr_depth > 1 && shadow) {
rect->r_width -= MENU_SHADOW;
rect->r_height -= MENU_SHADOW;
}
(void) pw_preparesurface_full(menu_fs->fs_pixwin, rect, 1);
(void) pw_write(menu_fs->fs_pixwin,
rect->r_left, rect->r_top, rect->r_width, rect->r_height,
PIX_SRC, image, 0, 0);
if (menu_fs->fs_pixwin->pw_pixrect->pr_depth > 1 && shadow) {
Rect shadow_rect;
shadow_rect.r_left = rect->r_left + rect->r_width;
shadow_rect.r_top = rect->r_top + MENU_SHADOW;
shadow_rect.r_width = MENU_SHADOW;
shadow_rect.r_height = rect->r_height;
(void) pw_preparesurface_full(menu_fs->fs_pixwin, &shadow_rect, 1);
(void) pw_write(menu_fs->fs_pixwin,
shadow_rect.r_left,
shadow_rect.r_top,
MENU_SHADOW, rect->r_height,
PIX_SRC /* | PIX_DST opaque shadow */, image,
image->pr_width - MENU_SHADOW, MENU_SHADOW);
shadow_rect.r_left = rect->r_left + MENU_SHADOW;
shadow_rect.r_top = rect->r_top + rect->r_height;
shadow_rect.r_width = rect->r_width - MENU_SHADOW;
shadow_rect.r_height = MENU_SHADOW;
(void)pw_preparesurface_full(menu_fs->fs_pixwin, &shadow_rect, 1);
(void) pw_write(menu_fs->fs_pixwin,
shadow_rect.r_left,
shadow_rect.r_top,
shadow_rect.r_width, MENU_SHADOW,
PIX_SRC /* | PIX_DST opaque shadow */, image,
MENU_SHADOW, image->pr_height - MENU_SHADOW);
rect->r_width += MENU_SHADOW;
rect->r_height += MENU_SHADOW;
}
}
/*
* Provide feedback directly to the pixwin.
* Someday this should be a client settable option.
*/
Private void
feedback(m, r, n, ncols, nrows, state)
register struct menu *m;
struct rect *r;
int n, ncols, nrows;
Menu_feedback state;
{
struct menu_item *mi = m->item_list[n - 1];
int max_width = m->default_image.width;
int max_height = m->default_image.height;
if (!mi->no_feedback && !m->feedback_proc && !mi->inactive) {
int left, top;
register int margin = m->default_image.margin;
n--; /* Convert to zero origin */
left = (r->r_left + MENU_BORDER + margin
+ (m->column_major ? n / nrows : n % ncols) * max_width);
top = (r->r_top + MENU_BORDER + margin
+ (m->column_major ? n % nrows : n / ncols) * max_height);
(void) pw_writebackground(menu_fs->fs_pixwin, left, top,
max_width - 2 * margin,
max_height - 2 * margin,
PIX_NOT(PIX_DST));
} else if (m->feedback_proc)
(m->feedback_proc)(mi, state); /* FIXME: Pass rect or region? */
}
/*
* Menu must be completely on the screen.
*/
Private void
constrainrect(rconstrain, rbound)
register struct rect *rconstrain, *rbound;
{
/*
* Bias algorithm to have too big rconstrain fall off right/bottom.
*/
if (rect_right(rconstrain) > rect_right(rbound)) {
rconstrain->r_left = rbound->r_left + rbound->r_width
- rconstrain->r_width;
}
if (rconstrain->r_left < rbound->r_left) {
rconstrain->r_left = rbound->r_left + SCREEN_MARGIN;
}
if (rect_bottom(rconstrain) > rect_bottom(rbound)) {
rconstrain->r_top = rbound->r_top + rbound->r_height
- rconstrain->r_height;
}
if (rconstrain->r_top < rbound->r_top) {
rconstrain->r_top = rbound->r_top + SCREEN_MARGIN;
}
}
/*
* Clean up any client generated items
*/
Private void
destroy_gen_items(menu)
struct menu *menu;
{
register int nitems;
register struct menu_item *mi, **mip;
nitems = menu->nitems;
/* Give client a chance to clean up any generated items */
for (mip = menu->item_list;mi = *mip, nitems--; mip++)
if (mi->gen_proc) *mip = (mi->gen_proc)(mi, MENU_DISPLAY_DONE);
}
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