scaffolding.cpp

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/*
 * Copyright 2015 Adrián Arroyo Calle <adrian.arroyocalle@gmail.com>
 * Copyright 2008 François Revol <mmu_man@users.sourceforge.net>
 * Copyright 2006 Rob Kendrick <rjek@rjek.com>
 *
 * 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/>.
 */
 
#define __STDBOOL_H__   1
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include <BeBuild.h>
#include <Bitmap.h>
#include <Box.h>
#include <Button.h>
#include <Dragger.h>
#include <Menu.h>
#include <MenuBar.h>
#include <MenuItem.h>
#include <Node.h>
#include <Path.h>
#include <PopUpMenu.h>
#include <Resources.h>
#include <Roster.h>
#include <Screen.h>
#include <ScrollView.h>
#include <String.h>
#include <StringView.h>
#include <TextControl.h>
#include <View.h>
#include <Window.h>
 
#if defined(__HAIKU__)
#include <IconUtils.h>
#include "WindowStack.h"
#endif
 
#include <fs_attr.h>
 
extern "C" {
#include "utils/messages.h"
#include "utils/utils.h"
#include "utils/log.h"
#include "utils/nsurl.h"
#include "utils/nsoption.h"
#include "netsurf/netsurf.h"
#include "netsurf/plotters.h"
#include "netsurf/clipboard.h"
#include "netsurf/content.h"
#include "netsurf/content_type.h"
#include "netsurf/browser_window.h"
#include "netsurf/form.h"
#include "netsurf/keypress.h"
#include "desktop/browser_history.h"
#include "desktop/version.h"
#include "desktop/searchweb.h"
#include "desktop/search.h"
}
 
#include "beos/about.h"
#include "beos/bitmap.h"
#include "beos/gui.h"
#include "beos/plotters.h"
#include "beos/scaffolding.h"
#include "beos/gui_options.h"
//#include "beos/completion.h"
#include "beos/throbber.h"
#include "beos/window.h"
#include "beos/schedule.h"
//#include "beos/download.h"
#include "beos/cookies.h"
 
#define TOOLBAR_HEIGHT 32
#define DRAGGER_WIDTH 8
 
struct beos_history_window;
 
class NSIconTextControl;
class NSBrowserWindow;
class NSThrobber;
 
struct beos_scaffolding {
        NSBrowserWindow         *window;        // top-level container object
 
        // top-level view, contains toolbar & top-level browser view
        NSBaseView              *top_view;
 
        BMenuBar                *menu_bar;
 
        BPopUpMenu              *popup_menu;
 
#ifdef ENABLE_DRAGGER
        BDragger                *dragger;
#endif
 
        BView                   *tool_bar;
 
        BControl                *back_button;
        BControl                *forward_button;
        BControl                *stop_button;
        BControl                *reload_button;
        BControl                *home_button;
 
        NSIconTextControl       *url_bar;
        BTextControl    *search_bar;
        //BMenuField    *url_bar_completion;
 
        NSThrobber              *throbber;
 
        BStringView             *status_bar;
 
        BScrollView             *scroll_view;
 
        struct beos_history_window *history_window;
 
        int                     throb_frame;
        struct gui_window       *top_level;
        int                     being_destroyed;
 
        bool                    fullscreen;
 
        /** Object under menu, or 0 if no object. */
        struct hlcache_handle           *current_menu_object;
};
 
struct beos_history_window {
        struct beos_scaffolding         *g;
        BWindow         *window;
 
};
 
struct menu_events {
        const char *widget;
};
 
// passed to the replicant main thread
struct replicant_thread_info {
        char app[B_PATH_NAME_LENGTH];
        BString url;
        char *args[3];
};
 
 
static int open_windows = 0;            /**< current number of open browsers */
static NSBaseView *replicant_view = NULL; /**< if not NULL, the replicant View we are running NetSurf for */
static sem_id replicant_done_sem = -1;
static thread_id replicant_thread = -1;
 
static void nsbeos_window_update_back_forward(struct beos_scaffolding *);
static void nsbeos_throb(void *);
static int32 nsbeos_replicant_main_thread(void *_arg);
 
// in beos_gui.cpp
extern int main(int argc, char** argv);
 
// in fetch_rsrc.cpp
extern BResources *gAppResources;
 
// #pragma mark - class NSIconTextControl
 
#define ICON_WIDTH 16
 
class NSIconTextControl : public BTextControl {
public:
                NSIconTextControl(BRect frame, const char* name,
                                                const char* label, const char* initialText,
                                                BMessage* message,
                                                uint32 resizeMode
                                                        = B_FOLLOW_LEFT | B_FOLLOW_TOP,
                                                uint32 flags
                                                        = B_WILL_DRAW | B_NAVIGABLE | B_DRAW_ON_CHILDREN);
virtual ~NSIconTextControl();
 
virtual void    FrameResized(float newWidth, float newHeight);
virtual void    Draw(BRect updateRect);
virtual void    DrawAfterChildren(BRect updateRect);
virtual void    AttachedToWindow();
 
void    SetBitmap(const BBitmap *bitmap);
void    FixupTextRect();
 
private:
        BPoint fIconOffset;
        BRect fIconFrame;
        const BBitmap *fIconBitmap;
};
 
NSIconTextControl::NSIconTextControl(BRect frame, const char* name,
                                                const char* label, const char* initialText,
                                                BMessage* message,
                                                uint32 resizeMode,
                                                uint32 flags)
        : BTextControl(frame, name, label, initialText, message, resizeMode, flags),
        fIconOffset(0,0),
        fIconBitmap(NULL)
{
        BRect r(Bounds());
        fIconFrame = r;
        fIconFrame.right = fIconFrame.left + ICON_WIDTH - 1;
        fIconFrame.bottom = fIconFrame.top + ICON_WIDTH - 1;
        fIconFrame.OffsetBy((int32)((r.IntegerHeight() - ICON_WIDTH + 3) / 2),
                (int32)((r.IntegerHeight() - ICON_WIDTH + 1) / 2));
        FixupTextRect();
}
 
 
NSIconTextControl::~NSIconTextControl()
{
        delete fIconBitmap;
}
 
 
void
NSIconTextControl::FrameResized(float newWidth, float newHeight)
{
        BTextControl::FrameResized(newWidth, newHeight);
        FixupTextRect();
}
 
 
void
NSIconTextControl::Draw(BRect updateRect)
{
        FixupTextRect();
        BTextControl::Draw(updateRect);
}
 
 
void
NSIconTextControl::DrawAfterChildren(BRect updateRect)
{
        BTextControl::DrawAfterChildren(updateRect);
 
        PushState();
 
        SetDrawingMode(B_OP_ALPHA);
        DrawBitmap(fIconBitmap, fIconFrame);
 
        //XXX: is this needed?
        PopState();
}
 
 
void
NSIconTextControl::AttachedToWindow()
{
        BTextControl::AttachedToWindow();
        FixupTextRect();
}
 
 
void
NSIconTextControl::SetBitmap(const BBitmap *bitmap)
{
        delete fIconBitmap;
        fIconBitmap = NULL;
 
        // keep a copy
        if (bitmap)
                fIconBitmap = new BBitmap(bitmap);
        // invalidate just the icon area
        Invalidate(fIconFrame);
}
 
 
void
NSIconTextControl::FixupTextRect()
{
        // FIXME: this flickers on resize, quite ugly
        BRect r(TextView()->TextRect());
 
        // don't fix the fix
        if (r.left > ICON_WIDTH)
                return;
 
        r.left += r.bottom - r.top;
        TextView()->SetTextRect(r);
}
 
 
#undef ICON_WIDTH
 
// #pragma mark - class NSResizeKnob
 
class NSResizeKnob : public BView {
public:
                NSResizeKnob(BRect frame, BView *target);
virtual ~NSResizeKnob();
 
virtual void    MouseDown(BPoint where);
virtual void    MouseUp(BPoint where);
virtual void    MouseMoved(BPoint where, uint32 code,
                                                        const BMessage* dragMessage);
 
virtual void    Draw(BRect updateRect);
 
void                    SetBitmap(const BBitmap *bitmap);
 
private:
        const BBitmap *fBitmap;
        BView *fTarget;
        BPoint fOffset;
};
 
NSResizeKnob::NSResizeKnob(BRect frame, BView *target)
        : BView(frame, "NSResizeKnob", B_FOLLOW_BOTTOM | B_FOLLOW_RIGHT, B_WILL_DRAW),
        fBitmap(NULL),
        fTarget(target),
        fOffset(-1, -1)
{
        SetViewColor(0, 255, 0);
}
 
 
NSResizeKnob::~NSResizeKnob()
{
}
 
 
void
NSResizeKnob::MouseDown(BPoint where)
{
        SetMouseEventMask(B_POINTER_EVENTS,
                B_NO_POINTER_HISTORY | B_LOCK_WINDOW_FOCUS);
        fOffset = where;
}
 
 
void
NSResizeKnob::MouseUp(BPoint where)
{
        fOffset.Set(-1, -1);
}
 
 
void
NSResizeKnob::MouseMoved(BPoint where, uint32 code,
                                                const BMessage* dragMessage)
{
        if (fOffset.x >= 0) {
                fTarget->ResizeBy(where.x - fOffset.x, where.y - fOffset.y);
        }
}
 
 
void
NSResizeKnob::Draw(BRect updateRect)
{
        if (!fBitmap)
                return;
        DrawBitmap(fBitmap);
}
 
 
void
NSResizeKnob::SetBitmap(const BBitmap *bitmap)
{
        fBitmap = bitmap;
        Invalidate();
}
 
 
// #pragma mark - class NSThrobber
 
class NSThrobber : public BView {
public:
                NSThrobber(BRect frame);
virtual ~NSThrobber();
 
virtual void    MessageReceived(BMessage *message);
virtual void    Draw(BRect updateRect);
void                    SetBitmap(const BBitmap *bitmap);
 
private:
        const BBitmap *fBitmap;
};
 
NSThrobber::NSThrobber(BRect frame)
        : BView(frame, "NSThrobber", B_FOLLOW_TOP | B_FOLLOW_RIGHT, B_WILL_DRAW),
        fBitmap(NULL)
{
}
 
 
NSThrobber::~NSThrobber()
{
}
 
 
void
NSThrobber::MessageReceived(BMessage *message)
{
        BView::MessageReceived(message);
}
 
 
void
NSThrobber::Draw(BRect updateRect)
{
        if (!fBitmap)
                return;
        DrawBitmap(fBitmap);
}
 
 
void
NSThrobber::SetBitmap(const BBitmap *bitmap)
{
        fBitmap = bitmap;
        Invalidate();
}
 
 
// #pragma mark - class NSBaseView
 
 
NSBaseView::NSBaseView(BRect frame)
        : BView(frame, "NetSurf", B_FOLLOW_ALL_SIDES, 
                0 /*B_WILL_DRAW | B_NAVIGABLE | B_FRAME_EVENTS*/ /*| B_SUBPIXEL_PRECISE*/),
        fScaffolding(NULL)
{
}
 
NSBaseView::NSBaseView(BMessage *archive)
        : BView(archive),
        fScaffolding(NULL)
{
}
 
 
NSBaseView::~NSBaseView()
{
        //beos_warn_user("~NSBaseView()", NULL);
        if (replicated) {
                BMessage *message = new BMessage(B_QUIT_REQUESTED);
                nsbeos_pipe_message_top(message, NULL, fScaffolding);
                while (acquire_sem(replicant_done_sem) == EINTR);
                //debugger("plop");
                status_t status = -1;
                wait_for_thread(replicant_thread, &status);
        }
}
 
 
void
NSBaseView::MessageReceived(BMessage *message)
{
        switch (message->what) {
                case B_SIMPLE_DATA:
                case B_ABOUT_REQUESTED:
                case B_ARGV_RECEIVED:
                case B_REFS_RECEIVED:
                case B_COPY:
                case B_CUT:
                case B_PASTE:
                case B_SELECT_ALL:
                //case B_MOUSE_WHEEL_CHANGED:
                case B_UI_SETTINGS_CHANGED:
                // NetPositive messages
                case B_NETPOSITIVE_OPEN_URL:
                case B_NETPOSITIVE_BACK:
                case B_NETPOSITIVE_FORWARD:
                case B_NETPOSITIVE_HOME:
                case B_NETPOSITIVE_RELOAD:
                case B_NETPOSITIVE_STOP:
                case B_NETPOSITIVE_DOWN:
                case B_NETPOSITIVE_UP:
                // messages for top-level
                case 'back':
                case 'forw':
                case 'stop':
                case 'relo':
                case 'home':
                case 'urlc':
                case 'urle':
                case 'sear':
                case 'menu':
                case NO_ACTION:
                case HELP_OPEN_CONTENTS:
                case HELP_OPEN_GUIDE:
                case HELP_OPEN_INFORMATION:
                case HELP_OPEN_ABOUT:
                case HELP_OPEN_LICENCE:
                case HELP_LAUNCH_INTERACTIVE:
                case HISTORY_SHOW_LOCAL:
                case HISTORY_SHOW_GLOBAL:
                case HOTLIST_ADD_URL:
                case HOTLIST_SHOW:
                case COOKIES_SHOW:
                case COOKIES_DELETE:
                case BROWSER_PAGE:
                case BROWSER_PAGE_INFO:
                case BROWSER_PRINT:
                case BROWSER_NEW_WINDOW:
                case BROWSER_VIEW_SOURCE:
                case BROWSER_OBJECT:
                case BROWSER_OBJECT_INFO:
                case BROWSER_OBJECT_RELOAD:
                case BROWSER_OBJECT_SAVE:
                case BROWSER_OBJECT_EXPORT_SPRITE:
                case BROWSER_OBJECT_SAVE_URL_URI:
                case BROWSER_OBJECT_SAVE_URL_URL:
                case BROWSER_OBJECT_SAVE_URL_TEXT:
                case BROWSER_SAVE:
                case BROWSER_SAVE_COMPLETE:
                case BROWSER_EXPORT_DRAW:
                case BROWSER_EXPORT_TEXT:
                case BROWSER_SAVE_URL_URI:
                case BROWSER_SAVE_URL_URL:
                case BROWSER_SAVE_URL_TEXT:
                case HOTLIST_EXPORT:
                case HISTORY_EXPORT:
                case BROWSER_NAVIGATE_HOME:
                case BROWSER_NAVIGATE_BACK:
                case BROWSER_NAVIGATE_FORWARD:
                case BROWSER_NAVIGATE_UP:
                case BROWSER_NAVIGATE_RELOAD:
                case BROWSER_NAVIGATE_RELOAD_ALL:
                case BROWSER_NAVIGATE_STOP:
                case BROWSER_NAVIGATE_URL:
                case BROWSER_SCALE_VIEW:
                case BROWSER_FIND_TEXT:
                case BROWSER_IMAGES_FOREGROUND:
                case BROWSER_IMAGES_BACKGROUND:
                case BROWSER_BUFFER_ANIMS:
                case BROWSER_BUFFER_ALL:
                case BROWSER_SAVE_VIEW:
                case BROWSER_WINDOW_DEFAULT:
                case BROWSER_WINDOW_STAGGER:
                case BROWSER_WINDOW_COPY:
                case BROWSER_WINDOW_RESET:
                case TREE_NEW_FOLDER:
                case TREE_NEW_LINK:
                case TREE_EXPAND_ALL:
                case TREE_EXPAND_FOLDERS:
                case TREE_EXPAND_LINKS:
                case TREE_COLLAPSE_ALL:
                case TREE_COLLAPSE_FOLDERS:
                case TREE_COLLAPSE_LINKS:
                case TREE_SELECTION:
                case TREE_SELECTION_EDIT:
                case TREE_SELECTION_LAUNCH:
                case TREE_SELECTION_DELETE:
                case TREE_SELECT_ALL:
                case TREE_CLEAR_SELECTION:
                case TOOLBAR_BUTTONS:
                case TOOLBAR_ADDRESS_BAR:
                case TOOLBAR_THROBBER:
                case TOOLBAR_EDIT:
                case CHOICES_SHOW:
                case APPLICATION_QUIT:
                        if (Window())
                                Window()->DetachCurrentMessage();
                        nsbeos_pipe_message_top(message, NULL, fScaffolding);
                        break;
                default:
                        //message->PrintToStream();
                        BView::MessageReceived(message);
        }
}
 
 
status_t
NSBaseView::Archive(BMessage *archive, bool deep) const
{
        // force archiving only the base view
        deep = false;
        status_t err;
        err = BView::Archive(archive, deep);
        if (err < B_OK)
                return err;
        // add our own fields
        // we try to reuse the same fields as NetPositive
        archive->AddString("add_on", "application/x-vnd.NetSurf");
        //archive->AddInt32("version", 2);
        archive->AddString("url", fScaffolding->url_bar->Text());
        archive->AddBool("openAsText", false);
        archive->AddInt32("encoding", 258);
        return err;
}
 
 
BArchivable     *
NSBaseView::Instantiate(BMessage *archive)
{
        if (!validate_instantiation(archive, "NSBaseView"))
                return NULL;
        const char *url;
        if (archive->FindString("url", &url) < B_OK
                || url == NULL || strlen(url) == 0) {
                url = "about:";
        }
 
        struct replicant_thread_info *info = new replicant_thread_info;
        info->url = BString(url);
        if (nsbeos_find_app_path(info->app) < B_OK) {
                delete info;
                return NULL;
        }
        info->args[0] = info->app;
        info->args[1] = (char *)info->url.String();
        info->args[2] = NULL;
        NSBaseView *view = new NSBaseView(archive);
        replicant_view = view;
        replicated = true;
 
        //TODO:FIXME: fix replicants
        // do as much as possible in this thread to avoid deadlocks
        
        gui_init_replicant(2, info->args);
 
        replicant_done_sem = create_sem(0, "NS Replicant created");
        replicant_thread = spawn_thread(nsbeos_replicant_main_thread,
                "NetSurf Main Thread", B_NORMAL_PRIORITY, info);
        if (replicant_thread < B_OK) {
                delete_sem(replicant_done_sem);
                delete info;
                delete view;
                return NULL;
        }
        resume_thread(replicant_thread);
        //XXX: deadlocks BeHappy
        //while (acquire_sem(replicant_done_sem) == EINTR);
 
        return view;
}
 
 
void
NSBaseView::SetScaffolding(struct beos_scaffolding *scaf)
{
        fScaffolding = scaf;
}
 
 
// AttachedToWindow() is not enough to get the dragger and status bar
// stick to the panel color
void
NSBaseView::AllAttached()
{
        BView::AllAttached();
 
        struct beos_scaffolding *g = fScaffolding;
        if (!g)
                return;
        // set targets to the topmost ns view
        g->back_button->SetTarget(this);
        g->forward_button->SetTarget(this);
        g->stop_button->SetTarget(this);
        g->reload_button->SetTarget(this);
        g->home_button->SetTarget(this);
 
        rgb_color c = ui_color(B_PANEL_BACKGROUND_COLOR);
        SetViewColor(c);
 
        g->tool_bar->SetViewColor(c);
        g->back_button->SetViewColor(c);
        g->back_button->SetLowColor(c);
        g->forward_button->SetViewColor(c);
        g->forward_button->SetLowColor(c);
        g->stop_button->SetViewColor(c);
        g->stop_button->SetLowColor(c);
        g->reload_button->SetViewColor(c);
        g->reload_button->SetLowColor(c);
        g->home_button->SetViewColor(c);
        g->home_button->SetLowColor(c);
        g->url_bar->SetViewColor(c);
        g->search_bar->SetViewColor(c);
        g->throbber->SetViewColor(c);
        g->scroll_view->SetViewColor(c);
 
#ifdef ENABLE_DRAGGER
        g->dragger->SetViewColor(c);
#endif
 
        g->status_bar->SetViewColor(c);
        g->status_bar->SetLowColor(c);
#if defined(__HAIKU__) || defined(B_DANO_VERSION)
        g->status_bar->SetHighColor(ui_color(B_PANEL_TEXT_COLOR));
#endif
}
 
 
// #pragma mark - class NSBrowserWindow
 
 
NSBrowserWindow::NSBrowserWindow(BRect frame, struct beos_scaffolding *scaf)
        : BWindow(frame, "NetSurf", B_DOCUMENT_WINDOW, 0),
        fScaffolding(scaf)
{
}
 
 
NSBrowserWindow::~NSBrowserWindow()
{
        if(activeWindow == this)
                activeWindow = NULL;
}
 
 
void
NSBrowserWindow::DispatchMessage(BMessage *message, BHandler *handler)
{
        BMessage *msg;
        switch (message->what) {
                case B_UI_SETTINGS_CHANGED:
                        msg = new BMessage(*message);
                        nsbeos_pipe_message_top(msg, this, fScaffolding);
                        break;
        }
        BWindow::DispatchMessage(message, handler);
}
 
 
void
NSBrowserWindow::MessageReceived(BMessage *message)
{
        switch (message->what) {
                case B_ARGV_RECEIVED:
                case B_REFS_RECEIVED:
                case B_UI_SETTINGS_CHANGED:
                // NetPositive messages
                case B_NETPOSITIVE_OPEN_URL:
                case B_NETPOSITIVE_BACK:
                case B_NETPOSITIVE_FORWARD:
                case B_NETPOSITIVE_HOME:
                case B_NETPOSITIVE_RELOAD:
                case B_NETPOSITIVE_STOP:
                case B_NETPOSITIVE_DOWN:
                case B_NETPOSITIVE_UP:
                        DetachCurrentMessage();
                        nsbeos_pipe_message_top(message, this, fScaffolding);
                        break;
                default:
                        BWindow::MessageReceived(message);
        }
}
 
bool
NSBrowserWindow::QuitRequested(void)
{
        BWindow::QuitRequested();
        BMessage *message = DetachCurrentMessage();
        // BApplication::Quit() calls us directly...
        if (message == NULL)
                message = new BMessage(B_QUIT_REQUESTED);
        nsbeos_pipe_message_top(message, this, fScaffolding);
        return false; // we will Quit() ourselves from the main thread
}
 
 
void
NSBrowserWindow::WindowActivated(bool active)
{
        if(active)
                activeWindow = this;
        else if(activeWindow == this)
                activeWindow = NULL;
}
 
 
// #pragma mark - implementation
 
int32 nsbeos_replicant_main_thread(void *_arg)
{
        struct replicant_thread_info *info = (struct replicant_thread_info *)_arg;
        int32 ret = 0;
 
        while (!nsbeos_done) {
                nsbeos_gui_poll();
        }
 
        netsurf_exit();
        delete info;
        delete_sem(replicant_done_sem);
        return ret;
}
 
 
/* event handlers and support functions for them */
 
static void nsbeos_window_destroy_event(NSBrowserWindow *window, nsbeos_scaffolding *g, BMessage *event)
{
        NSLOG(netsurf, INFO, "Being Destroyed = %d", g->being_destroyed);
 
        if (--open_windows == 0)
                nsbeos_done = true;
 
        if (window) {
                window->Lock();
                window->Quit();
        }
 
        if (!g->being_destroyed) {
                g->being_destroyed = 1;
                nsbeos_window_destroy_browser(g->top_level);
        }
}
 
 
static void nsbeos_scaffolding_update_colors(nsbeos_scaffolding *g)
{
        if (!g->top_view->LockLooper())
                return;
        rgb_color c = ui_color(B_PANEL_BACKGROUND_COLOR);
        g->top_view->SetViewColor(c);
 
        g->tool_bar->SetViewColor(c);
        g->back_button->SetViewColor(c);
        g->forward_button->SetViewColor(c);
        g->stop_button->SetViewColor(c);
        g->reload_button->SetViewColor(c);
        g->home_button->SetViewColor(c);
        g->url_bar->SetViewColor(c);
        g->search_bar->SetViewColor(c);
        g->throbber->SetViewColor(c);
        g->scroll_view->SetViewColor(c);
 
#ifdef ENABLE_DRAGGER
        g->dragger->SetViewColor(c);
#endif
 
        g->status_bar->SetViewColor(c);
        g->status_bar->SetLowColor(c);
#if defined(__HAIKU__) || defined(B_DANO_VERSION)
        g->status_bar->SetHighColor(ui_color(B_PANEL_TEXT_COLOR));
#endif
        g->top_view->UnlockLooper();
}
 
 
/*static*/ BWindow*
NSBrowserWindow::activeWindow = NULL;
 
 
void nsbeos_scaffolding_dispatch_event(nsbeos_scaffolding *scaffold, BMessage *message)
{
        struct browser_window *bw;
        bw = nsbeos_get_browser_for_gui(scaffold->top_level);
        bool reloadAll = false;
 
        NSLOG(netsurf, INFO,
              "nsbeos_scaffolding_dispatch_event() what = 0x%08lx",
              message->what);
        switch (message->what) {
                case B_QUIT_REQUESTED:
                        nsbeos_scaffolding_destroy(scaffold);
                        break;
                case B_ABOUT_REQUESTED:
                {
                        nsbeos_about(scaffold->top_level);
                        break;
                }
                case B_NETPOSITIVE_DOWN:
                        //XXX WRITEME
                        break;
                case B_SIMPLE_DATA:
                {
                        if (!message->HasRef("refs")) {
                                // XXX handle DnD
                                break;
                        }
                        // FALL THROUGH
                        // handle refs
                }
                case B_REFS_RECEIVED:
                {
                        int32 i;
                        entry_ref ref;
 
                        for (i = 0; message->FindRef("refs", i, &ref) >= B_OK; i++) {
                                BString url("file://");
                                BPath path(&ref);
                                if (path.InitCheck() < B_OK)
                                        break;
 
                                BNode node(path.Path());
                                if (node.InitCheck() < B_OK)
                                        break;
                                if (node.IsSymLink()) {
                                        // dereference the symlink
                                        BEntry entry(path.Path(), true);
                                        if (entry.InitCheck() < B_OK)
                                                break;
                                        if (entry.GetPath(&path) < B_OK)
                                                break;
                                        if (node.SetTo(path.Path()) < B_OK)
                                                break;
                                }
 
                                attr_info ai;
                                if (node.GetAttrInfo("META:url", &ai) >= B_OK) {
                                        char data[(size_t)ai.size + 1];
                                        memset(data, 0, (size_t)ai.size + 1);
                                        if (node.ReadAttr("META:url", B_STRING_TYPE, 0LL, data, (size_t)ai.size) < 4)
                                                break;
                                        url = data;
                                } else
                                        url << path.Path();
 
                nsurl *nsurl;
                nserror error;
 
                error = nsurl_create(url.String(), &nsurl);
                                if (error == NSERROR_OK) {
                                        if (/*message->WasDropped() &&*/ i == 0) {
                                                browser_window_navigate(bw, nsurl, NULL,
                                                        (browser_window_nav_flags)
                                                        (BW_NAVIGATE_HISTORY),
                                                        NULL, NULL, NULL);
                                        } else {
                                                error = browser_window_create(BW_CREATE_CLONE,
                                                                nsurl,
                                                                NULL,
                                                                bw,
                                                                NULL);
                                        }
                                        nsurl_unref(nsurl);
                                }
                                if (error != NSERROR_OK) {
                                        beos_warn_user(messages_get_errorcode(error), 0);
                                }
                        }
                        break;
                }
                case B_ARGV_RECEIVED:
                {
                        int32 i;
                        BString urltxt;
                        nsurl *url;
                        nserror error;
 
                        for (i = 1; message->FindString("argv", i, &urltxt) >= B_OK; i++) {
                                error = nsurl_create(urltxt.String(), &url);
                                if (error == NSERROR_OK) {
                                        error = browser_window_create(BW_CREATE_CLONE,
                                                                      url,
                                                                      NULL,
                                                                      bw,
                                                                      NULL);
                                        nsurl_unref(url);
                                }
                                if (error != NSERROR_OK) {
                                        beos_warn_user(messages_get_errorcode(error), 0);
                                }
                        }
                        break;
                }
                case B_UI_SETTINGS_CHANGED:
                        nsbeos_update_system_ui_colors();
                        nsbeos_scaffolding_update_colors(scaffold);
                        break;
                case B_NETPOSITIVE_OPEN_URL:
                {
                        BString url;
                        if (message->FindString("be:url", &url) < B_OK)
                                break;
 
                        nsurl *nsurl;
                        nserror error;
 
                        error = nsurl_create(url.String(), &nsurl);
                        if (error != NSERROR_OK) {
                                beos_warn_user(messages_get_errorcode(error), 0);
                        } else {
                                browser_window_navigate(bw,
                                                nsurl,
                                                NULL,
                                                (browser_window_nav_flags)(BW_NAVIGATE_HISTORY | BW_NAVIGATE_UNVERIFIABLE),
                                                NULL,
                                                NULL,
                                                NULL);
                                nsurl_unref(nsurl);
                        }
                        break;
                }
                case B_COPY:
                        browser_window_key_press(bw, NS_KEY_COPY_SELECTION);
                        break;
                case B_CUT:
                        browser_window_key_press(bw, NS_KEY_CUT_SELECTION);
                        break;
                case B_PASTE:
                        browser_window_key_press(bw, NS_KEY_PASTE);
                        break;
                case B_SELECT_ALL:
                        NSLOG(netsurf, INFO, "Selecting all text");
                        browser_window_key_press(bw, NS_KEY_SELECT_ALL);
                        break;
                case B_NETPOSITIVE_BACK:
                case BROWSER_NAVIGATE_BACK:
                case 'back':
                        if (!browser_window_history_back_available(bw))
                                break;
                        browser_window_history_back(bw, false);
                        nsbeos_window_update_back_forward(scaffold);
                        break;
                case B_NETPOSITIVE_FORWARD:
                case BROWSER_NAVIGATE_FORWARD:
                case 'forw':
                        if (!browser_window_history_forward_available(bw))
                                break;
                        browser_window_history_forward(bw, false);
                        nsbeos_window_update_back_forward(scaffold);
                        break;
                case B_NETPOSITIVE_STOP:
                case BROWSER_NAVIGATE_STOP:
                case 'stop':
                        browser_window_stop(bw);
                        break;
                case B_NETPOSITIVE_RELOAD:
                case BROWSER_NAVIGATE_RELOAD_ALL:
                case 'relo':
                        reloadAll = true;
                        // FALLTHRU
                case BROWSER_NAVIGATE_RELOAD:
                        browser_window_reload(bw, reloadAll);
                        break;
                case B_NETPOSITIVE_HOME:
                case BROWSER_NAVIGATE_HOME:
                case 'home':
                {
                        nsurl *url;
                        nserror error;
 
                        static const char *addr = NETSURF_HOMEPAGE;
 
                        if (nsoption_charp(homepage_url) != NULL) {
                                addr = nsoption_charp(homepage_url);
                        }
 
                        error = nsurl_create(addr, &url);
                        if (error != NSERROR_OK) {
                                beos_warn_user(messages_get_errorcode(error), 0);
                        } else {
                                browser_window_navigate(bw,
                                        url,
                                        NULL,
                                        (browser_window_nav_flags)(BW_NAVIGATE_HISTORY),
                                        NULL,
                                        NULL,
                                        NULL);
                                nsurl_unref(url);
                        }
                        break;
                }
                case 'urle':
                {
            nsurl *url;
            nserror error;
                        BString text;
 
                        if (!scaffold->url_bar->LockLooper())
                                break;
 
                        text = scaffold->url_bar->Text();
                        scaffold->scroll_view->Target()->MakeFocus();
                        scaffold->url_bar->UnlockLooper();
 
                        error = nsurl_create(text.String(), &url);
                        if (error != NSERROR_OK) {
                                beos_warn_user(messages_get_errorcode(error), 0);
                        } else {
                                browser_window_navigate(bw,
                                        url,
                                        NULL,
                                        (browser_window_nav_flags)(BW_NAVIGATE_HISTORY),
                                        NULL,
                                        NULL,
                                        NULL);
                                nsurl_unref(url);
                        }
                        break;
                }
                case 'urlc':
                {
                        BString text;
                        if (!scaffold->url_bar->LockLooper())
                                break;
                        text = scaffold->url_bar->Text();
                        scaffold->url_bar->UnlockLooper();
                        //nsbeos_completion_update(text.String());
                        break;
                }
                case 'sear':
                {
                        nserror ret;
                        nsurl* url;
                        BString text;
                        if (!scaffold->search_bar->LockLooper())
                                break;
                        text = scaffold->search_bar->Text();
                        scaffold->search_bar->UnlockLooper();
 
                        char t[PATH_MAX];
                        find_resource(t,"SearchEngines","./beos/res/SearchEngines");
 
                        search_web_init(&t[0]);
 
                        ret = search_web_omni(text.String(),SEARCH_WEB_OMNI_SEARCHONLY
                                ,&url);
                        if (ret == NSERROR_OK) {
                                ret = browser_window_create(
                                        (browser_window_create_flags)(BW_CREATE_HISTORY | BW_CREATE_TAB),
                                        url,
                                        NULL,
                                        bw,
                                        NULL);
                                nsurl_unref(url);
                        }
 
                        if (ret != NSERROR_OK) {
                                beos_warn_user(messages_get_errorcode(ret), 0);
                        }
 
                        search_web_finalise();
 
                        break;
                }
/*
                case 'menu':
                {
                        menu_action action;
                        if (message->FindInt32("action", (int32 *)&action) < B_OK)
                                break;
                        switch (action) {
                                case NO_ACTION:
                                case HELP_OPEN_CONTENTS:
                                case HELP_OPEN_GUIDE:
                                case HELP_OPEN_INFORMATION:
                                case HELP_OPEN_ABOUT:
                                case HELP_LAUNCH_INTERACTIVE:
 
                                        break;
                        }
#warning XXX
                        break;
                }
*/
                case NO_ACTION:
                        break;
                case HELP_OPEN_CONTENTS:
                        break;
                case HELP_OPEN_GUIDE:
                        break;
                case HELP_OPEN_INFORMATION:
                        break;
                case HELP_OPEN_ABOUT:
                {
                        const char *goto_url = "about:credits";
                        nserror nserr;
                        nsurl *url;
                        nserr = nsurl_create(goto_url, &url);
                        if (nserr == NSERROR_OK) {
                                nserr = browser_window_navigate(bw,
                                        url, NULL,
                                                (browser_window_nav_flags)(BW_NAVIGATE_HISTORY),
                                            NULL, NULL, NULL);
                                nsurl_unref(url);
                        }
                        if (nserr != NSERROR_OK) {
                                beos_warn_user(messages_get_errorcode(nserr), 0);
                        }
                }
                        break;
                case HELP_OPEN_LICENCE:
                {
                        const char *goto_url = "about:licence";
                        nserror nserr;
                        nsurl *url;
                        nserr = nsurl_create(goto_url, &url);
                        if (nserr == NSERROR_OK) {
                                nserr = browser_window_navigate(bw,
                                        url, NULL,
                                                (browser_window_nav_flags)(BW_NAVIGATE_HISTORY),
                                            NULL, NULL, NULL);
                                nsurl_unref(url);
                        }
                        if (nserr != NSERROR_OK) {
                                beos_warn_user(messages_get_errorcode(nserr), 0);
                        }
                }
                        break;
                case HELP_LAUNCH_INTERACTIVE:
                        break;
                case HISTORY_SHOW_LOCAL:
                        break;
                case HISTORY_SHOW_GLOBAL:
                        break;
                case HOTLIST_ADD_URL:
                        break;
                case HOTLIST_SHOW:
                        break;
                case COOKIES_SHOW:
                {
                        nsbeos_cookies_init();
                        break;
                }
                case COOKIES_DELETE:
                {
                        nsbeos_cookies_init();
                        break;
                }
                case BROWSER_PAGE:
                        break;
                case BROWSER_PAGE_INFO:
                        break;
                case BROWSER_PRINT:
                        break;
                case BROWSER_NEW_WINDOW:
                {
                        BString text;
                        nsurl *url;
                        nserror error;
 
                        if (!scaffold->url_bar->LockLooper())
                                break;
                        text = scaffold->url_bar->Text();
                        scaffold->url_bar->UnlockLooper();
 
                        NSBrowserWindow::activeWindow = scaffold->window;
 
                        error = nsurl_create(text.String(), &url);
                        if (error == NSERROR_OK) {
                                error = browser_window_create(BW_CREATE_CLONE,
                                                              url,
                                                              NULL,
                                                              bw,
                                                              NULL);
                                nsurl_unref(url);
                        }
                        if (error != NSERROR_OK) {
                                beos_warn_user(messages_get_errorcode(error), 0);
                        }
                        break;
                }
                case BROWSER_VIEW_SOURCE:
                {
                        if (!bw || browser_window_has_content(bw) == false)
                                break;
                        nsbeos_gui_view_source(browser_window_get_content(bw));
                        break;
                }
                case BROWSER_OBJECT:
                        break;
                case BROWSER_OBJECT_INFO:
                        break;
                case BROWSER_OBJECT_RELOAD:
                        if (scaffold->current_menu_object != NULL) {
                                content_invalidate_reuse_data(scaffold->current_menu_object);
                                browser_window_reload(bw, false);
                                scaffold->current_menu_object = NULL;
                        }
                        break;
                case BROWSER_OBJECT_SAVE:
                        break;
                case BROWSER_OBJECT_EXPORT_SPRITE:
                        break;
                case BROWSER_OBJECT_SAVE_URL_URI:
                        break;
                case BROWSER_OBJECT_SAVE_URL_URL:
                        break;
                case BROWSER_OBJECT_SAVE_URL_TEXT:
                        break;
                case BROWSER_SAVE:
                        break;
                case BROWSER_SAVE_COMPLETE:
                        break;
                case BROWSER_EXPORT_DRAW:
                        break;
                case BROWSER_EXPORT_TEXT:
                        break;
                case BROWSER_SAVE_URL_URI:
                        break;
                case BROWSER_SAVE_URL_URL:
                        break;
                case BROWSER_SAVE_URL_TEXT:
                        break;
                case HOTLIST_EXPORT:
                        break;
                case HISTORY_EXPORT:
                        break;
                case B_NETPOSITIVE_UP:
                case BROWSER_NAVIGATE_UP:
                        break;
                case BROWSER_NAVIGATE_URL:
                        if (!scaffold->url_bar->LockLooper())
                                break;
                        scaffold->url_bar->MakeFocus();
                        scaffold->url_bar->UnlockLooper();
                        break;
                case BROWSER_SCALE_VIEW:
                        break;
                case BROWSER_FIND_TEXT:
                        break;
                case BROWSER_IMAGES_FOREGROUND:
                        break;
                case BROWSER_IMAGES_BACKGROUND:
                        break;
                case BROWSER_BUFFER_ANIMS:
                        break;
                case BROWSER_BUFFER_ALL:
                        break;
                case BROWSER_SAVE_VIEW:
                        break;
                case BROWSER_WINDOW_DEFAULT:
                        break;
                case BROWSER_WINDOW_STAGGER:
                        break;
                case BROWSER_WINDOW_COPY:
                        break;
                case BROWSER_WINDOW_RESET:
                        break;
                case TREE_NEW_FOLDER:
                case TREE_NEW_LINK:
                case TREE_EXPAND_ALL:
                case TREE_EXPAND_FOLDERS:
                case TREE_EXPAND_LINKS:
                case TREE_COLLAPSE_ALL:
                case TREE_COLLAPSE_FOLDERS:
                case TREE_COLLAPSE_LINKS:
                case TREE_SELECTION:
                case TREE_SELECTION_EDIT:
                case TREE_SELECTION_LAUNCH:
                case TREE_SELECTION_DELETE:
                case TREE_SELECT_ALL:
                case TREE_CLEAR_SELECTION:
                        break;
                case TOOLBAR_BUTTONS:
                        break;
                case TOOLBAR_ADDRESS_BAR:
                        break;
                case TOOLBAR_THROBBER:
                        break;
                case TOOLBAR_EDIT:
                        break;
                case CHOICES_SHOW:
                        break;
                case APPLICATION_QUIT:
                        nsbeos_done = true;
                        break;
                default:
                        break;
        }
}
 
void nsbeos_scaffolding_destroy(nsbeos_scaffolding *scaffold)
{
        NSLOG(netsurf, INFO, "Being Destroyed = %d",
              scaffold->being_destroyed);
        if (scaffold->being_destroyed) return;
        scaffold->being_destroyed = 1;
        nsbeos_window_destroy_event(scaffold->window, scaffold, NULL);
}
 
 
void nsbeos_window_update_back_forward(struct beos_scaffolding *g)
{
        struct browser_window *bw = nsbeos_get_browser_for_gui(g->top_level);
 
        if (!g->top_view->LockLooper())
                return;
 
        g->back_button->SetEnabled(browser_window_history_back_available(bw));
        g->forward_button->SetEnabled(browser_window_history_forward_available(bw));
 
        g->top_view->UnlockLooper();
 
}
 
void nsbeos_throb(void *p)
{
        struct beos_scaffolding *g = (struct beos_scaffolding *)p;
 
        if (g->throb_frame >= (nsbeos_throbber->nframes - 1))
                g->throb_frame = 1;
        else
                g->throb_frame++;
 
        if (!g->top_view->LockLooper())
                return;
 
        g->throbber->SetBitmap(nsbeos_throbber->framedata[g->throb_frame]);
        g->throbber->Invalidate();
 
        g->top_view->UnlockLooper();
 
        beos_schedule(100, nsbeos_throb, p);
 
}
 
 
NSBrowserWindow *nsbeos_find_last_window(void)
{
        int32 i;
        if (!be_app || !be_app->Lock())
                return NULL;
        for (i = be_app->CountWindows() - 1; i >= 0; i--) {
                if (be_app->WindowAt(i) == NULL)
                        continue;
                NSBrowserWindow *win;
                win = dynamic_cast<NSBrowserWindow *>(be_app->WindowAt(i));
                if (win) {
                        win->Lock();
                        be_app->Unlock();
                        return win;
                }
        }
        be_app->Unlock();
        return NULL;
}
 
NSBrowserWindow *nsbeos_get_bwindow_for_scaffolding(nsbeos_scaffolding *scaffold)
{
         return scaffold->window;
}
 
NSBaseView *nsbeos_get_baseview_for_scaffolding(nsbeos_scaffolding *scaffold)
{
         return scaffold->top_view;
}
 
static void recursively_set_menu_items_target(BMenu *menu, BHandler *handler)
{
        menu->SetTargetForItems(handler);
        for (int i = 0; menu->ItemAt(i); i++) {
                if (!menu->SubmenuAt(i))
                        continue;
                recursively_set_menu_items_target(menu->SubmenuAt(i), handler);
        }
}
 
void nsbeos_attach_toplevel_view(nsbeos_scaffolding *g, BView *view)
{
        NSLOG(netsurf, INFO, "Attaching view to scaffolding %p", g);
 
        // this is a replicant,... and it went bad
        if (!g->window) {
                if (g->top_view->Looper() && !g->top_view->LockLooper())
                        return;
        }
 
        BRect rect(g->top_view->Bounds());
        rect.top += TOOLBAR_HEIGHT;
        rect.right -= B_V_SCROLL_BAR_WIDTH;
        rect.bottom -= B_H_SCROLL_BAR_HEIGHT;
        
        view->ResizeTo(rect.Width() /*+ 1*/, rect.Height() /*+ 1*/);
        view->MoveTo(rect.LeftTop());
 
 
        g->scroll_view = new BScrollView("NetSurfScrollView", view, 
                B_FOLLOW_ALL, 0, true, true, B_NO_BORDER);
 
        g->top_view->AddChild(g->scroll_view);
 
        // for replicants, add a NSResizeKnob to allow resizing
        if (!g->window) {
                BRect frame = g->scroll_view->Bounds();
                frame.left = frame.right - B_V_SCROLL_BAR_WIDTH;
                frame.top = frame.bottom - B_H_SCROLL_BAR_HEIGHT;
                NSResizeKnob *knob = new NSResizeKnob(frame, g->top_view);
                //TODO: set bitmap
                g->scroll_view->AddChild(knob);
        }
 
        view->MakeFocus();
 
        // resize the horiz scrollbar to make room for the status bar and add it.
 
        BScrollBar *sb = g->scroll_view->ScrollBar(B_HORIZONTAL);
        rect = sb->Frame();
        float divider = rect.Width() + 1;
        //divider /= 2;
        divider *= 67.0/100; // 67%
 
        sb->ResizeBy(-divider, 0);
        sb->MoveBy(divider, 0);
 
        rect.right = rect.left + divider - 1;
 
        /*
        BBox *statusBarBox = new BBox(rect, "StatusBarBox", 
                B_FOLLOW_LEFT_RIGHT | B_FOLLOW_BOTTOM,
                B_WILL_DRAW | B_FRAME_EVENTS,
                B_RAISED_BORDER);
        */
 
        g->status_bar->MoveTo(rect.LeftTop());
        g->status_bar->ResizeTo(rect.Width() + 1, rect.Height() + 1);
        g->scroll_view->AddChild(g->status_bar);
        g->status_bar->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
        g->status_bar->SetLowColor(ui_color(B_PANEL_BACKGROUND_COLOR)) ;
#if defined(__HAIKU__) || defined(B_DANO_VERSION)
        g->status_bar->SetHighColor(ui_color(B_PANEL_TEXT_COLOR));
#endif
 
 
 
        // set targets to the topmost ns view,
        // we might not have a window later (replicant ?)
        // this won't work for replicants, since the base view isn't attached yet
        // we'll redo this in NSBaseView::AllAttached
        g->back_button->SetTarget(view);
        g->forward_button->SetTarget(view);
        g->stop_button->SetTarget(view);
        g->reload_button->SetTarget(view);
        g->home_button->SetTarget(view);
 
        g->url_bar->SetTarget(view);
        g->search_bar->SetTarget(view);
 
        nsbeos_scaffolding_update_colors(g);
 
        recursively_set_menu_items_target(g->popup_menu, view);
 
        if (g->window) {
                recursively_set_menu_items_target(g->menu_bar, view);
 
                // add toolbar shortcuts
                BMessage *message;
 
                message = new BMessage('back');
                message->AddPointer("scaffolding", g);
                g->window->AddShortcut(B_LEFT_ARROW, 0, message, view);
 
                message = new BMessage('forw');
                message->AddPointer("scaffolding", g);
                g->window->AddShortcut(B_RIGHT_ARROW, 0, message, view);
 
                message = new BMessage('stop');
                message->AddPointer("scaffolding", g);
                g->window->AddShortcut('S', 0, message, view);
 
                message = new BMessage('relo');
                message->AddPointer("scaffolding", g);
                g->window->AddShortcut('R', 0, message, view);
 
                message = new BMessage('home');
                message->AddPointer("scaffolding", g);
                g->window->AddShortcut('H', 0, message, view);
 
 
#if defined(__HAIKU__)
                // Make sure the window is layouted and answering to events, but do not
                // show it before it is actually resized
                g->window->Hide();
                g->window->Show();
 
                if(NSBrowserWindow::activeWindow) {
                        BWindowStack stack(NSBrowserWindow::activeWindow);
                        stack.AddWindow(g->window);
                }
#endif
                g->window->Show();
 
        } else {
                if (g->top_view->Looper())
                        g->top_view->UnlockLooper();
        }
 
 
}
 
static BMenuItem *make_menu_item(const char *name, BMessage *message, bool enabled=false)
{
        BMenuItem *item;
        BString label(messages_get(name));
        BString accelKey(name);
        accelKey += "Accel";
        BString accel(messages_get(accelKey));
        if (accel == accelKey)
                accel = "";
        uint32 mods = 0;
        char key = 0;
        // try to understand accelerators
        if (!accel.IsEmpty()) {
                if (accel.FindFirst("\xe2\x87\x91") > -1) {
                        accel.RemoveFirst("\xe2\x87\x91");
                        mods |= B_SHIFT_KEY;
                }
                if (accel.FindFirst("^") > -1) {
                        accel.RemoveFirst("^");
                        mods |= B_CONTROL_KEY;
                }
                if (accel.FindFirst("PRINT") > -1) {
                        accel.RemoveFirst("PRINT");
                        //mods |= ; // ALT!!!
                        key = B_PRINT_KEY;
                }
 
                /* replace UTF-8 glyphs (arrows...) with API codes */
                accel.ReplaceAll("\xE2\x86\x90", (BString()+=B_LEFT_ARROW).String());
                accel.ReplaceAll("\xE2\x86\x92", (BString()+=B_RIGHT_ARROW).String());
                accel.ReplaceAll("\xE2\x86\x91", (BString()+=B_UP_ARROW).String());
 
                if (accel.Length() > 1 && accel[0] == 'F') { // Function key
                        int num;
                        if (sscanf(accel.String(), "F%d", &num) > 0) {
                                //
                        }
                } else if (accel.Length() > 0) {
                        key = accel[0];
                }
                //printf("MENU: detected        accel '%s' mods 0x%08lx, key %d\n", accel.String(), mods, key);
        }
 
        // turn ... into ellipsis
        label.ReplaceAll("...", B_UTF8_ELLIPSIS);
 
        item = new BMenuItem(label.String(), message, key, mods);
 
        item->SetEnabled(enabled);
 
        return item;
}
 
 
class BBitmapButton: public BButton
{
        public:
                BBitmapButton(BRect rect, const char* name, const char* label,
                        BMessage* message);
                ~BBitmapButton();
 
                void Draw(BRect updateRect);
                void SetBitmap(const char* attrName);
        private:
                BBitmap* fBitmap;
                BBitmap* fDisabledBitmap;
};
 
 
BBitmapButton::BBitmapButton(BRect rect, const char* name, const char* label,
                BMessage* message)
        : BButton(rect, name, label, message)
{
        SetBitmap(name);
}
 
 
BBitmapButton::~BBitmapButton()
{
        delete fBitmap;
        delete fDisabledBitmap;
}
 
 
void BBitmapButton::Draw(BRect updateRect)
{
        if(fBitmap == NULL) {
                BButton::Draw(updateRect);
                return;
        }
 
        SetDrawingMode(B_OP_COPY);
        FillRect(updateRect, B_SOLID_LOW);
        rgb_color color = LowColor();
 
        SetDrawingMode(B_OP_ALPHA);
        if(IsEnabled()) {
                if(Value() != 0) {
                        // button is clicked
                        DrawBitmap(fBitmap, BPoint(1, 1));
                } else {
                        // button is released
                        DrawBitmap(fBitmap, BPoint(0, 0));
                }
        } else
                DrawBitmap(fDisabledBitmap, BPoint(0, 0));
}
 
 
void BBitmapButton::SetBitmap(const char* attrname)
{
#ifdef __HAIKU__
        size_t size = 0;
        const void* data = gAppResources->LoadResource('VICN', attrname, &size);
 
        if (!data) {
                printf("CANT LOAD RESOURCE %s\n", attrname);
                return;
        }
 
        fBitmap = new BBitmap(BRect(0, 0, 32, 32), B_RGB32);
        status_t status = BIconUtils::GetVectorIcon((const uint8*)data, size, fBitmap);
        
        if(status != B_OK) {
                fprintf(stderr, "%s > oops %s\n", attrname, strerror(status));
                delete fBitmap;
                fBitmap = NULL;
        }
 
        fDisabledBitmap = new BBitmap(fBitmap);
        rgb_color* pixel = (rgb_color*)fDisabledBitmap->Bits();
        for(int i = 0; i < fDisabledBitmap->BitsLength()/4; i++)
        {
                *pixel = tint_color(*pixel, B_DISABLED_MARK_TINT);
                pixel++;
        }
#else
        // No vector icon support on BeOS. We could try to load a bitmap one
        fBitmap = NULL;
        fDisabledBitmap = NULL;
#endif
}
 
 
nsbeos_scaffolding *nsbeos_new_scaffolding(struct gui_window *toplevel)
{
        struct beos_scaffolding *g = (struct beos_scaffolding *)malloc(sizeof(*g));
 
        NSLOG(netsurf, INFO,
              "Constructing a scaffold of %p for gui_window %p", g, toplevel);
 
        g->top_level = toplevel;
        g->being_destroyed = 0;
        g->fullscreen = false;
 
        open_windows++;
 
        BMessage *message;
        BRect rect;
        BMenuItem *item;
 
        g->window = NULL;
        g->menu_bar = NULL;
 
        if (replicated && !replicant_view) {
                beos_warn_user("Error: No subwindow allowed when replicated.", NULL);
                return NULL;
        }
 
 
        if (!replicant_view) {
                BRect frame(0, 0, 600-1, 500-1);
                if (nsoption_int(window_width) > 0) {
                        frame.Set(0, 0, nsoption_int(window_width) - 1, nsoption_int(window_height) - 1);
                        frame.OffsetToSelf(nsoption_int(window_x), nsoption_int(window_y));
                } else {
                        BPoint pos(50, 50);
                        // XXX: use last BApplication::WindowAt()'s dynamic_cast<NSBrowserWindow *> Frame()
                        NSBrowserWindow *win = nsbeos_find_last_window();
                        if (win) {
                                pos = win->Frame().LeftTop();
                                win->UnlockLooper();
                        }
                        pos += BPoint(20, 20);
                        BScreen screen;
                        BRect screenFrame(screen.Frame());
                        if (pos.y + frame.Height() >= screenFrame.Height()) {
                                pos.y = 50;
                                pos.x += 50;
                        }
                        if (pos.x + frame.Width() >= screenFrame.Width()) {
                                pos.x = 50;
                                pos.y = 50;
                        }
                        frame.OffsetToSelf(pos);
                }
 
                g->window = new NSBrowserWindow(frame, g);
 
                rect = frame.OffsetToCopy(0,0);
                rect.bottom = rect.top + 20;
 
                // build menus
                g->menu_bar = new BMenuBar(rect, "menu_bar");
                g->window->AddChild(g->menu_bar);
 
                BMenu *menu;
 
                // App menu
                //XXX: use icon item ?
 
                menu = new BMenu(messages_get("NetSurf"));
                g->menu_bar->AddItem(menu);
 
                message = new BMessage(B_ABOUT_REQUESTED);
                item = make_menu_item("Info", message, true);
                menu->AddItem(item);
 
#if 0
                message = new BMessage(NO_ACTION);
                item = make_menu_item("AppHelp", message);
                menu->AddItem(item);
 
                submenu = new BMenu(messages_get("Open"));
                menu->AddItem(submenu);
 
                message = new BMessage(NO_ACTION);
                item = make_menu_item("OpenURL", message);
                submenu->AddItem(item);
 
                message = new BMessage(CHOICES_SHOW);
                item = make_menu_item("Choices", message);
                menu->AddItem(item);
#endif
 
                message = new BMessage(APPLICATION_QUIT);
                item = make_menu_item("Quit", message, true);
                menu->AddItem(item);
 
                // Page menu
 
                menu = new BMenu(messages_get("Page"));
                g->menu_bar->AddItem(menu);
 
#if 0
                message = new BMessage(BROWSER_PAGE_INFO);
                item = make_menu_item("PageInfo", message);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_SAVE);
                item = make_menu_item("SaveAsNS", message);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_SAVE_COMPLETE);
                item = make_menu_item("SaveCompNS", message);
                menu->AddItem(item);
 
                submenu = new BMenu(messages_get("Export"));
                menu->AddItem(submenu);
 
                /*
                message = new BMessage(BROWSER_EXPORT_DRAW);
                item = make_menu_item("Draw", message);
                submenu->AddItem(item);
                */
 
                message = new BMessage(BROWSER_EXPORT_TEXT);
                item = make_menu_item("LinkText", message);
                submenu->AddItem(item);
 
 
                submenu = new BMenu(messages_get("SaveURL"));
                menu->AddItem(submenu);
 
                //XXX
                message = new BMessage(BROWSER_OBJECT_SAVE_URL_URL);
                item = make_menu_item("URL", message);
                submenu->AddItem(item);
 
 
                message = new BMessage(BROWSER_PRINT);
                item = make_menu_item("PrintNS", message);
                menu->AddItem(item);
#endif
 
                message = new BMessage(BROWSER_NEW_WINDOW);
                item = make_menu_item("NewWindowNS", message, true);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_VIEW_SOURCE);
                item = make_menu_item("ViewSrc", message, true);
                menu->AddItem(item);
 
#if 0 // FIXME This is supposed to be a popup menu!
                // Object menu
 
                menu = new BMenu(messages_get("Object"));
                g->menu_bar->AddItem(menu);
 
                message = new BMessage(BROWSER_OBJECT_INFO);
                item = make_menu_item("ObjInfo", message);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_OBJECT_SAVE);
                item = make_menu_item("ObjSave", message);
                menu->AddItem(item);
                // XXX: submenu: Sprite ?
 
                message = new BMessage(BROWSER_OBJECT_RELOAD);
                item = make_menu_item("ObjReload", message);
                menu->AddItem(item);
#endif
 
                // Navigate menu
 
                menu = new BMenu(messages_get("Navigate"));
                g->menu_bar->AddItem(menu);
 
                message = new BMessage(BROWSER_NAVIGATE_HOME);
                item = make_menu_item("Home", message, true);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_NAVIGATE_BACK);
                item = make_menu_item("Back", message, true);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_NAVIGATE_FORWARD);
                item = make_menu_item("Forward", message, true);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_NAVIGATE_UP);
                item = make_menu_item("UpLevel", message);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_NAVIGATE_RELOAD);
                item = make_menu_item("Reload", message, true);
                menu->AddItem(item);
 
                message = new BMessage(BROWSER_NAVIGATE_STOP);
                item = make_menu_item("Stop", message, true);
                menu->AddItem(item);
 
#if 0
                // View menu
 
                menu = new BMenu(messages_get("View"));
                g->menu_bar->AddItem(menu);
 
                message = new BMessage(BROWSER_SCALE_VIEW);
                item = make_menu_item("ScaleView", message);
                menu->AddItem(item);
 
                submenu = new BMenu(messages_get("Images"));
                menu->AddItem(submenu);
 
                message = new BMessage(BROWSER_IMAGES_FOREGROUND);
                item = make_menu_item("ForeImg", message);
                submenu->AddItem(item);
 
                message = new BMessage(BROWSER_IMAGES_BACKGROUND);
                item = make_menu_item("BackImg", message);
                submenu->AddItem(item);
 
 
                submenu = new BMenu(messages_get("Toolbars"));
                menu->AddItem(submenu);
                submenu->SetEnabled(false);
 
                message = new BMessage(NO_ACTION);
                item = make_menu_item("ToolButtons", message);
                submenu->AddItem(item);
 
                message = new BMessage(NO_ACTION);
                item = make_menu_item("ToolAddress", message);
                submenu->AddItem(item);
 
                message = new BMessage(NO_ACTION);
                item = make_menu_item("ToolThrob", message);
                submenu->AddItem(item);
 
                message = new BMessage(NO_ACTION);
                item = make_menu_item("ToolStatus", message);
                submenu->AddItem(item);
 
 
                submenu = new BMenu(messages_get("Render"));
                menu->AddItem(submenu);
 
                message = new BMessage(BROWSER_BUFFER_ANIMS);
                item = make_menu_item("RenderAnims", message);
                submenu->AddItem(item);
 
                message = new BMessage(BROWSER_BUFFER_ALL);
                item = make_menu_item("RenderAll", message);
                submenu->AddItem(item);
 
 
                message = new BMessage(NO_ACTION);
                item = make_menu_item("OptDefault", message);
                menu->AddItem(item);
#endif
 
                // Utilities menu
 
                menu = new BMenu(messages_get("Utilities"));
                g->menu_bar->AddItem(menu);
 
#if 0
                submenu = new BMenu(messages_get("Hotlist"));
                menu->AddItem(submenu);
 
                message = new BMessage(HOTLIST_ADD_URL);
                item = make_menu_item("HotlistAdd", message);
                submenu->AddItem(item);
 
                message = new BMessage(HOTLIST_SHOW);
                item = make_menu_item("HotlistShowNS", message);
                submenu->AddItem(item);
 
 
                submenu = new BMenu(messages_get("History"));
                menu->AddItem(submenu);
 
                message = new BMessage(HISTORY_SHOW_LOCAL);
                item = make_menu_item("HistLocal", message);
                submenu->AddItem(item);
 
                message = new BMessage(HISTORY_SHOW_GLOBAL);
                item = make_menu_item("HistGlobal", message);
                submenu->AddItem(item);
#endif
 
                message = new BMessage(COOKIES_SHOW);
                item = make_menu_item("Cookie manager", message, true);
                menu->AddItem(item);
 
#if 0
                message = new BMessage(BROWSER_FIND_TEXT);
                item = make_menu_item("FindText", message);
                menu->AddItem(item);
 
                submenu = new BMenu(messages_get("Window"));
                menu->AddItem(submenu);
 
                message = new BMessage(BROWSER_WINDOW_DEFAULT);
                item = make_menu_item("WindowSave", message);
                submenu->AddItem(item);
 
                message = new BMessage(BROWSER_WINDOW_STAGGER);
                item = make_menu_item("WindowStagr", message);
                submenu->AddItem(item);
 
                message = new BMessage(BROWSER_WINDOW_COPY);
                item = make_menu_item("WindowSize", message);
                submenu->AddItem(item);
 
                message = new BMessage(BROWSER_WINDOW_RESET);
                item = make_menu_item("WindowReset", message);
                submenu->AddItem(item);
#endif
 
 
                // Help menu
 
                menu = new BMenu(messages_get("Help"));
                g->menu_bar->AddItem(menu);
 
#if 0
                message = new BMessage(HELP_OPEN_CONTENTS);
                item = make_menu_item("HelpContent", message);
                menu->AddItem(item);
 
                message = new BMessage(HELP_OPEN_GUIDE);
                item = make_menu_item("HelpGuide", message);
                menu->AddItem(item);
 
                message = new BMessage(HELP_OPEN_INFORMATION);
                item = make_menu_item("HelpInfo", message);
                menu->AddItem(item);
#endif
 
                message = new BMessage(HELP_OPEN_ABOUT);
                item = make_menu_item("HelpCredits", message, true);
                menu->AddItem(item);
 
                message = new BMessage(HELP_OPEN_LICENCE);
                item = make_menu_item("HelpLicence", message, true);
                menu->AddItem(item);
 
#if 0
                message = new BMessage(HELP_LAUNCH_INTERACTIVE);
                item = make_menu_item("HelpInter", message);
                menu->AddItem(item);
#endif
 
                // the base view that receives the toolbar, statusbar and top-level view.
                rect = frame.OffsetToCopy(0,0);
                rect.top = g->menu_bar->Bounds().Height() + 1;
                //rect.top = 20 + 1; // XXX
                //rect.bottom -= B_H_SCROLL_BAR_HEIGHT;
                g->top_view = new NSBaseView(rect);
                // add the top view to the window
                g->window->AddChild(g->top_view);
        } else { // replicant_view
                // the base view has already been created with the archive constructor
                g->top_view = replicant_view;
        }
        g->top_view->SetScaffolding(g);
 
        // build popup menu
        g->popup_menu = new BPopUpMenu("popup", false, false);
 
#if 0
        message = new BMessage(BROWSER_OBJECT_INFO);
        item = make_menu_item("ObjInfo", message);
        g->popup_menu->AddItem(item);
 
        message = new BMessage(BROWSER_OBJECT_SAVE);
        item = make_menu_item("ObjSave", message);
        g->popup_menu->AddItem(item);
        // XXX: submenu: Sprite ?
#endif
 
        message = new BMessage(BROWSER_OBJECT_RELOAD);
        item = make_menu_item("ObjReload", message, true);
        g->popup_menu->AddItem(item);
 
 
#ifdef ENABLE_DRAGGER
        // the dragger to allow replicating us
        // XXX: try to stuff it in the status bar at the bottom
        // (BDragger *must* be a parent, sibiling or direct child of NSBaseView!)
        rect = g->top_view->Bounds();
        rect.bottom = rect.top + TOOLBAR_HEIGHT - 1;
        rect.left = rect.right - DRAGGER_WIDTH + 1;
        g->dragger = new BDragger(rect, g->top_view, 
                B_FOLLOW_RIGHT | B_FOLLOW_TOP, B_WILL_DRAW);
        g->top_view->AddChild(g->dragger);
        g->dragger->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
        g->dragger->SetLowColor(ui_color(B_PANEL_BACKGROUND_COLOR)) ;
#endif
 
        // tool_bar
        // the toolbar is also the dragger for now
        // XXX: try to stuff it in the status bar at the bottom
        // (BDragger *must* be a parent, sibiling or direct child of NSBaseView!)
        // XXX: B_FULL_UPDATE_ON_RESIZE avoids leaving bits on resize,
        // but causes flicker
        rect = g->top_view->Bounds();
        rect.bottom = rect.top + TOOLBAR_HEIGHT - 1;
#ifdef ENABLE_DRAGGER
        rect.right = rect.right - DRAGGER_WIDTH;
#else
        rect.right = rect.right + 1;
#endif
        g->tool_bar = new BBox(rect, "Toolbar", 
                B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP, B_WILL_DRAW | B_FRAME_EVENTS
                | B_FULL_UPDATE_ON_RESIZE | B_NAVIGABLE_JUMP, B_PLAIN_BORDER);
        g->top_view->AddChild(g->tool_bar);
        g->tool_bar->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
        g->tool_bar->SetLowColor(ui_color(B_PANEL_BACKGROUND_COLOR)) ;
 
        // buttons
        rect = g->tool_bar->Bounds();
        rect.right = TOOLBAR_HEIGHT;
        rect.InsetBySelf(5, 5);
        rect.OffsetBySelf(0, -1);
        int nButtons = 0;
 
        message = new BMessage('back');
        message->AddPointer("scaffolding", g);
        g->back_button = new BBitmapButton(rect, "back_button", "<", message);
        g->tool_bar->AddChild(g->back_button);
        nButtons++;
 
        rect.OffsetBySelf(TOOLBAR_HEIGHT, 0);
        message = new BMessage('forw');
        message->AddPointer("scaffolding", g);
        g->forward_button = new BBitmapButton(rect, "forward_button", ">", message);
        g->tool_bar->AddChild(g->forward_button);
        nButtons++;
 
        rect.OffsetBySelf(TOOLBAR_HEIGHT, 0);
        message = new BMessage('stop');
        message->AddPointer("scaffolding", g);
        g->stop_button = new BBitmapButton(rect, "stop_button", "S", message);
        g->tool_bar->AddChild(g->stop_button);
        nButtons++;
 
        rect.OffsetBySelf(TOOLBAR_HEIGHT, 0);
        message = new BMessage('relo');
        message->AddPointer("scaffolding", g);
        g->reload_button = new BBitmapButton(rect, "reload_button", "R", message);
        g->tool_bar->AddChild(g->reload_button);
        nButtons++;
 
        rect.OffsetBySelf(TOOLBAR_HEIGHT, 0);
        message = new BMessage('home');
        message->AddPointer("scaffolding", g);
        g->home_button = new BBitmapButton(rect, "home_button", "H", message);
        g->tool_bar->AddChild(g->home_button);
        nButtons++;
 
 
        // url bar
        rect = g->tool_bar->Bounds();
        rect.left += TOOLBAR_HEIGHT * nButtons;
        rect.right -= TOOLBAR_HEIGHT * 1 + 100;
        rect.InsetBySelf(5, 5);
        message = new BMessage('urle');
        message->AddPointer("scaffolding", g);
        g->url_bar = new NSIconTextControl(rect, "url_bar", "", "", message, 
                B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP);
        g->url_bar->SetDivider(0);
        rect = g->url_bar->TextView()->TextRect();
        rect.left += 16;
        g->url_bar->TextView()->SetTextRect(rect);
        g->tool_bar->AddChild(g->url_bar);
 
        // search bar
 
        rect = g->tool_bar->Bounds();
        rect.left = g->url_bar->Frame().right;
        rect.right -= TOOLBAR_HEIGHT * 1;
        rect.InsetBy(5,5);
        message = new BMessage('sear');
        message->AddPointer("scaffolding", g);
        g->search_bar = new BTextControl(rect, "search_bar", "",
                "Search" B_UTF8_ELLIPSIS, message, B_FOLLOW_RIGHT | B_FOLLOW_TOP);
        g->search_bar->SetDivider(0);
        g->tool_bar->AddChild(g->search_bar);
 
        // throbber
        rect.Set(0, 0, 24, 24);
        rect.OffsetTo(g->tool_bar->Bounds().right - 24 - (TOOLBAR_HEIGHT - 24) / 2,
                (TOOLBAR_HEIGHT - 24) / 2);
        g->throbber = new NSThrobber(rect);
        g->tool_bar->AddChild(g->throbber);
        g->throbber->SetViewColor(g->tool_bar->ViewColor());
        g->throbber->SetLowColor(g->tool_bar->ViewColor());
        g->throbber->SetDrawingMode(B_OP_ALPHA);
        g->throbber->SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
        /* set up the throbber. */
        g->throbber->SetBitmap(nsbeos_throbber->framedata[0]);
        g->throb_frame = 0;
 
 
        // the status bar at the bottom
        BString status("NetSurf");
        status << " " << netsurf_version;
        g->status_bar = new BStringView(BRect(0,0,-1,-1), "StatusBar", 
                status.String(), B_FOLLOW_LEFT/*_RIGHT*/ | B_FOLLOW_BOTTOM);
 
        // will be added to the scrollview when adding the top view.
 
        // notify the thread creating the replicant that we're done
        if (replicant_view)
                release_sem(replicant_done_sem);
 
        replicant_view = NULL;
 
        return g;
}
 
void gui_window_set_title(struct gui_window *_g, const char *title)
{
        struct beos_scaffolding *g = nsbeos_get_scaffold(_g);
        if (g->top_level != _g) return;
 
        // if we're a replicant, discard
        if (!g->window)
                return;
 
        BString nt(title);
        if (nt.Length())
                nt << " - ";
        nt << "NetSurf";
 
        if (!g->top_view->LockLooper())
                return;
 
        g->window->SetTitle(nt.String());
 
        g->top_view->UnlockLooper();
}
 
void gui_window_set_status(struct gui_window *_g, const char *text)
{
        struct beos_scaffolding *g = nsbeos_get_scaffold(_g);
        assert(g);
        assert(g->status_bar);
 
        if (!g->top_view->LockLooper())
                return;
 
        if (text == NULL || text[0] == '\0')
        {
                BString status("NetSurf");
                status << " " << netsurf_version;
                g->status_bar->SetText(status.String());
        }
        else
        {
                g->status_bar->SetText(text);
        }
        g->top_view->UnlockLooper();
}
 
nserror gui_window_set_url(struct gui_window *gw, nsurl *url)
{
        struct beos_scaffolding *g;
 
        g = nsbeos_get_scaffold(gw);
        if (g->top_level != gw)
                return NSERROR_OK;
 
        assert(g->status_bar);
 
        if (g->top_view->LockLooper()) {
                g->url_bar->SetText(nsurl_access(url));
 
                g->top_view->UnlockLooper();
        }
 
        return NSERROR_OK;
}
 
void gui_window_start_throbber(struct gui_window* _g)
{
        struct beos_scaffolding *g = nsbeos_get_scaffold(_g);
 
        if (!g->top_view->LockLooper())
                return;
 
        g->stop_button->SetEnabled(true);
        g->reload_button->SetEnabled(false);
 
        g->top_view->UnlockLooper();
 
        nsbeos_window_update_back_forward(g);
 
        beos_schedule(100, nsbeos_throb, g);
}
 
void gui_window_stop_throbber(struct gui_window* _g)
{
        struct beos_scaffolding *g = nsbeos_get_scaffold(_g);
 
        nsbeos_window_update_back_forward(g);
 
        beos_schedule(-1, nsbeos_throb, g);
 
        if (!g->top_view->LockLooper())
                return;
 
        g->stop_button->SetEnabled(false);
        g->reload_button->SetEnabled(true);
 
        g->throbber->SetBitmap(nsbeos_throbber->framedata[0]);
        g->throbber->Invalidate();
 
        g->top_view->UnlockLooper();
}
 
/**
 * add retrieved favicon to the gui
 */
void gui_window_set_icon(struct gui_window *_g, hlcache_handle *icon)
{
        BBitmap *bitmap = NULL;
    struct bitmap *bmp_icon;
 
    bmp_icon = (icon != NULL) ? content_get_bitmap(icon) : NULL;
 
        if (bmp_icon) {
                bitmap = nsbeos_bitmap_get_primary(bmp_icon);
        }
 
        struct beos_scaffolding *g = nsbeos_get_scaffold(_g);
 
        if (!g->top_view->LockLooper())
                return;
 
        g->url_bar->SetBitmap(bitmap);
 
        g->top_view->UnlockLooper();
}
 
 
void nsbeos_scaffolding_popup_menu(nsbeos_scaffolding *scaffold, struct browser_window *bw, BPoint where, BPoint screenWhere)
{
        struct browser_window_features cont;
 
        browser_window_get_features(bw, (int)where.x, (int)where.y, &cont);
 
        scaffold->current_menu_object = cont.object;
        bool enabled = !!scaffold->current_menu_object;
 
        for (int i = 0; scaffold->popup_menu->ItemAt(i); i++) {
                scaffold->popup_menu->ItemAt(i)->SetEnabled(enabled);
        }
 
        scaffold->popup_menu->Go(screenWhere, true, false, true);
}