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netsurf/frontends/amiga/menu.c

475 lines
12 KiB

/*
* Copyright 2008-9, 2013, 2017 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "amiga/os3support.h"
#include <string.h>
#include <stdlib.h>
#include <proto/gadtools.h>
#include <proto/graphics.h>
#include <proto/intuition.h>
#include <libraries/gadtools.h>
#ifdef __amigaos4__
#include <intuition/menuclass.h>
#endif
#include <classes/window.h>
#include <proto/label.h>
#include <images/label.h>
#include <proto/bitmap.h>
#include <images/bitmap.h>
#include <reaction/reaction_macros.h>
#include "utils/log.h"
#include "utils/messages.h"
#include "amiga/gui.h"
#include "amiga/libs.h"
#include "amiga/menu.h"
#include "amiga/utf8.h"
enum {
NSA_GLYPH_SUBMENU,
NSA_GLYPH_AMIGAKEY,
NSA_GLYPH_CHECKMARK,
NSA_GLYPH_MX,
NSA_GLYPH_MAX
};
#define NSA_MAX_HOTLIST_MENU_LEN 100
static Object *restrict menu_glyph[NSA_GLYPH_MAX];
static int menu_glyph_width[NSA_GLYPH_MAX];
static bool menu_glyphs_loaded = false;
bool ami_menu_get_selected(struct Menu *menu, struct IntuiMessage *msg)
{
bool checked = false;
if(LIB_IS_AT_LEAST((struct Library *)IntuitionBase, 54, 6)) {
#ifdef __amigaos4__
ULONG state;
struct ExtIntuiMessage *emsg = (struct ExtIntuiMessage *)msg;
state = IDoMethod((Object *)menu, MM_GETSTATE, 0, emsg->eim_LongCode, MS_CHECKED);
if(state & MS_CHECKED) checked = true;
#endif
} else {
if(ItemAddress(menu, msg->Code)->Flags & CHECKED) checked = true;
}
return checked;
}
/* menu creation code */
void ami_menu_free_lab_item(struct ami_menu_data **md, int i)
{
if(md[i] == NULL) return;
if(md[i]->menulab &&
(md[i]->menulab != NM_BARLABEL) &&
(md[i]->menulab != ML_SEPARATOR)) {
if(md[i]->menutype & MENU_IMAGE) {
if(md[i]->menuobj) DisposeObject(md[i]->menuobj);
}
ami_utf8_free(md[i]->menulab);
}
if(md[i]->menukey != NULL) free(md[i]->menukey);
md[i]->menulab = NULL;
md[i]->menuobj = NULL;
md[i]->menukey = NULL;
md[i]->menutype = 0;
free(md[i]);
md[i] = NULL;
}
static void ami_menu_free_labs(struct ami_menu_data **md, int max)
{
int i;
for(i = 0; i <= max; i++) {
ami_menu_free_lab_item(md, i);
}
}
void ami_menu_alloc_item(struct ami_menu_data **md, int num, UBYTE type,
const char *restrict label, const char *restrict key, const char *restrict icon,
void *restrict func, void *restrict hookdata, UWORD flags)
{
md[num] = calloc(1, sizeof(struct ami_menu_data));
md[num]->menutype = type;
md[num]->flags = flags;
if(type == NM_END) return;
if((label == NM_BARLABEL) || (strcmp(label, "--") == 0)) {
md[num]->menulab = NM_BARLABEL;
icon = NULL;
} else { /* horrid non-generic stuff */
if((num >= AMI_MENU_AREXX) && (num < AMI_MENU_AREXX_MAX)) {
md[num]->menulab = strdup(label);
} else {
md[num]->menulab = ami_utf8_easy(messages_get(label));
}
}
md[num]->menuicon = NULL;
if(key) md[num]->menukey = strdup(key);
if(func) md[num]->menu_hook.h_Entry = (HOOKFUNC)func;
if(hookdata) md[num]->menu_hook.h_Data = hookdata;
#ifdef __amigaos4__
char menu_icon[1024];
if(LIB_IS_AT_LEAST((struct Library *)GadToolsBase, 53, 7)) {
if(icon) {
if(ami_locate_resource(menu_icon, icon) == true) {
md[num]->menuicon = (char *)strdup(menu_icon);
} else {
/* If the requested icon can't be found, put blank space in instead */
md[num]->menuicon = (char *)strdup(NSA_SPACE);
}
}
}
#endif
}
static void ami_menu_load_glyphs(struct DrawInfo *dri)
{
#ifdef __amigaos4__
if(LIB_IS_AT_LEAST((struct Library *)GadToolsBase, 53, 7)) {
for(int i = 0; i < NSA_GLYPH_MAX; i++)
menu_glyph[i] = NULL;
menu_glyph[NSA_GLYPH_SUBMENU] = NewObject(NULL, "sysiclass",
SYSIA_Which, MENUSUB,
SYSIA_DrawInfo, dri,
TAG_DONE);
menu_glyph[NSA_GLYPH_AMIGAKEY] = NewObject(NULL, "sysiclass",
SYSIA_Which, AMIGAKEY,
SYSIA_DrawInfo, dri,
TAG_DONE);
GetAttr(IA_Width, menu_glyph[NSA_GLYPH_SUBMENU],
(ULONG *)&menu_glyph_width[NSA_GLYPH_SUBMENU]);
GetAttr(IA_Width, menu_glyph[NSA_GLYPH_AMIGAKEY],
(ULONG *)&menu_glyph_width[NSA_GLYPH_AMIGAKEY]);
menu_glyphs_loaded = true;
}
#endif
}
void ami_menu_free_glyphs(void)
{
#ifdef __amigaos4__
if(LIB_IS_AT_LEAST((struct Library *)GadToolsBase, 53, 7)) {
int i;
if(menu_glyphs_loaded == false) return;
for(i = 0; i < NSA_GLYPH_MAX; i++) {
if(menu_glyph[i]) DisposeObject(menu_glyph[i]);
menu_glyph[i] = NULL;
};
menu_glyphs_loaded = false;
}
#endif
}
static int ami_menu_calc_item_width(struct ami_menu_data **md, int j, struct RastPort *rp)
{
int space_width = TextLength(rp, " ", 1);
int item_size;
item_size = TextLength(rp, md[j]->menulab, strlen(md[j]->menulab));
item_size += space_width;
if(md[j]->menukey) {
item_size += TextLength(rp, md[j]->menukey, 1);
item_size += menu_glyph_width[NSA_GLYPH_AMIGAKEY];
/**TODO: take account of the size of other imagery too
*/
} else {
/* assume worst case - it doesn't really matter if we make menus wider */
item_size += TextLength(rp, "M", 1);
item_size += menu_glyph_width[NSA_GLYPH_AMIGAKEY];
}
if(md[j]->menuicon) {
item_size += 16;
}
return item_size;
}
#ifdef __amigaos4__
static int ami_menu_layout_mc_recursive(Object *menu_parent, struct ami_menu_data **md, int level, int i, int max)
{
int j;
Object *menu_item = menu_parent;
for(j = i; j < max; j++) {
/* skip empty entries */
if(md[j] == NULL) continue;
if(md[j]->menutype == NM_IGNORE) continue;
if(md[j]->menutype == level) {
if(md[j]->menulab == NM_BARLABEL)
md[j]->menulab = ML_SEPARATOR;
if(level == NM_TITLE) {
menu_item = NewObject(NULL, "menuclass",
MA_Type, T_MENU,
MA_ID, j,
MA_Label, md[j]->menulab,
TAG_DONE);
} else {
menu_item = NewObject(NULL, "menuclass",
MA_Type, T_ITEM,
MA_ID, j,
MA_Label, md[j]->menulab,
MA_Image,
BitMapObj,
IA_Scalable, TRUE,
BITMAP_Screen, ami_gui_get_screen(),
BITMAP_SourceFile, md[j]->menuicon,
BITMAP_Masking, TRUE,
BitMapEnd,
MA_Key, md[j]->menukey,
MA_UserData, &md[j]->menu_hook, /* NB: Intentionally UserData */
MA_Disabled, (md[j]->flags & NM_ITEMDISABLED),
MA_Selected, (md[j]->flags & CHECKED),
MA_Toggle, (md[j]->flags & MENUTOGGLE),
TAG_DONE);
}
NSLOG(netsurf, DEEPDEBUG,
"Adding item %p ID %d (%s) to parent %p",
menu_item, j, md[j]->menulab, menu_parent);
IDoMethod(menu_parent, OM_ADDMEMBER, menu_item);
continue;
} else if (md[j]->menutype > level) {
j = ami_menu_layout_mc_recursive(menu_item, md, md[j]->menutype, j, max);
} else {
break;
}
}
return (j - 1);
}
static struct Menu *ami_menu_layout_mc(struct ami_menu_data **md, int max)
{
Object *menu_root = NewObject(NULL, "menuclass",
MA_Type, T_ROOT,
MA_EmbeddedKey, FALSE,
TAG_DONE);
ami_menu_layout_mc_recursive(menu_root, md, NM_TITLE, 0, max);
return (struct Menu *)menu_root;
}
#endif
static struct Menu *ami_menu_layout_gt(struct ami_menu_data **md, int max)
{
int i, j;
int txtlen = 0;
int left_posn = 0;
struct NewMenu *nm;
struct Menu *imenu = NULL;
struct VisualInfo *vi;
struct Screen *scrn = ami_gui_get_screen();
struct RastPort *rp = &scrn->RastPort;
struct DrawInfo *dri = GetScreenDrawInfo(scrn);
int space_width = TextLength(rp, " ", 1);
if(menu_glyphs_loaded == false)
ami_menu_load_glyphs(dri);
nm = calloc(1, sizeof(struct NewMenu) * (max + 1));
if(nm == NULL) return NULL;
for(i = 0; i < max; i++) {
if(md[i] == NULL) {
nm[i].nm_Type = NM_IGNORE;
continue;
}
if(md[i]->menutype == NM_TITLE) {
j = i + 1;
txtlen = 0;
do {
if(md[j]->menulab != NM_BARLABEL) {
if(md[j]->menutype == NM_ITEM) {
int item_size = ami_menu_calc_item_width(md, j, rp);
if(item_size > txtlen) {
txtlen = item_size;
}
}
}
j++;
} while((j <= max) && (md[j] != NULL) && (md[j]->menutype != NM_TITLE) && (md[j]->menutype != 0));
}
#ifdef __amigaos4__
if(LIB_IS_AT_LEAST((struct Library *)GadToolsBase, 53, 7)) {
/* GadTools 53.7+ only. For now we will only create the menu
using label.image if there's a bitmap associated with the item. */
if((md[i]->menuicon != NULL) && (md[i]->menulab != NM_BARLABEL)) {
int icon_width = 0;
Object *restrict submenuarrow = NULL;
Object *restrict icon = BitMapObj,
IA_Scalable, TRUE,
BITMAP_Screen, scrn,
BITMAP_SourceFile, md[i]->menuicon,
BITMAP_Masking, TRUE,
BitMapEnd;
/* \todo make this scale the bitmap to these dimensions */
SetAttrs(icon,
BITMAP_Width, 16,
BITMAP_Height, 16,
TAG_DONE);
GetAttr(IA_Width, icon, (ULONG *)&icon_width);
if(md[i]->menutype != NM_SUB) {
left_posn = txtlen;
}
left_posn = left_posn -
TextLength(rp, md[i]->menulab, strlen(md[i]->menulab)) -
icon_width - space_width;
if((md[i]->menutype == NM_ITEM) && md[i+1] && (md[i+1]->menutype == NM_SUB)) {
left_posn -= menu_glyph_width[NSA_GLYPH_SUBMENU];
submenuarrow = NewObject(NULL, "sysiclass",
SYSIA_Which, MENUSUB,
SYSIA_DrawInfo, dri,
IA_Left, left_posn,
TAG_DONE);
}
md[i]->menuobj = LabelObj,
LABEL_MenuMode, TRUE,
LABEL_DrawInfo, dri,
LABEL_DisposeImage, TRUE,
LABEL_Image, icon,
LABEL_Text, " ",
LABEL_Text, md[i]->menulab,
LABEL_DisposeImage, TRUE,
LABEL_Image, submenuarrow,
LabelEnd;
if(md[i]->menuobj) md[i]->menutype |= MENU_IMAGE;
}
}
#endif
nm[i].nm_Type = md[i]->menutype;
if(md[i]->menuobj)
nm[i].nm_Label = (void *)md[i]->menuobj;
else
nm[i].nm_Label = md[i]->menulab;
if((md[i]->menukey) && (strlen(md[i]->menukey) == 1)) {
nm[i].nm_CommKey = md[i]->menukey;
}
nm[i].nm_Flags = md[i]->flags;
if(md[i]->menu_hook.h_Entry) nm[i].nm_UserData = &md[i]->menu_hook;
if(md[i]->menuicon) {
free(md[i]->menuicon);
md[i]->menuicon = NULL;
}
}
FreeScreenDrawInfo(scrn, dri);
vi = GetVisualInfo(scrn, TAG_DONE);
imenu = CreateMenus(nm, TAG_DONE);
LayoutMenus(imenu, vi,
GTMN_NewLookMenus, TRUE, TAG_DONE);
free(nm);
FreeVisualInfo(vi); /* Not using GadTools after layout so shouldn't need this */
return imenu;
}
struct Menu *ami_menu_layout(struct ami_menu_data **md, int max)
{
if(LIB_IS_AT_LEAST((struct Library *)IntuitionBase, 54, 6)) {
#ifdef __amigaos4__
return ami_menu_layout_mc(md, max);
#endif
} else {
return ami_menu_layout_gt(md, max);
}
}
void ami_menu_free_menu(struct ami_menu_data **md, int max, struct Menu *imenu)
{
ami_menu_free_labs(md, max);
if(LIB_IS_AT_LEAST((struct Library *)IntuitionBase, 54, 6)) {
DisposeObject((Object *)imenu); // if we detach our menu from the window we need to do this manually
} else {
FreeMenus(imenu);
}
}
void ami_menu_refresh(struct Menu *menu, struct ami_menu_data **md, int menu_item, int max,
nserror (*cb)(struct ami_menu_data **md))
{
#ifdef __amigaos4__
Object *restrict obj;
Object *restrict menu_item_obj;
int i;
if(menu == NULL) return;
if(LIB_IS_AT_LEAST((struct Library *)IntuitionBase, 54, 6)) {
/* find the address of the menu */
menu_item_obj = (Object *)IDoMethod((Object *)menu, MM_FINDID, 0, menu_item);
/* remove all children */
while((obj = (Object *)IDoMethod(menu_item_obj, MM_NEXTCHILD, 0, NULL)) != NULL) {
IDoMethod(menu_item_obj, OM_REMMEMBER, obj);
DisposeObject(obj);
}
/* free associated data */
for(i = (menu_item + 1); i <= max; i++) {
if(md[i] == NULL) continue;
ami_menu_free_lab_item(md, i);
}
/* get current data */
cb(md);
/* re-add items to menu */
ami_menu_layout_mc_recursive(menu_item_obj, md, NM_ITEM, (menu_item + 1), max);
}
#endif
}