toolbar.c

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/*
 * Copyright 2012 Ole Loots <ole@monochrom.net>
 *
 * 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 <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <limits.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include <math.h>
 
#include "utils/log.h"
#include "utils/nsoption.h"
#include "utils/nsurl.h"
#include "utils/utf8.h"
#include "netsurf/browser_window.h"
#include "netsurf/mouse.h"
#include "netsurf/plotters.h"
#include "netsurf/keypress.h"
#include "desktop/browser_history.h"
#include "desktop/hotlist.h"
#include "desktop/textarea.h"
 
#include "atari/clipboard.h"
#include "atari/gui.h"
#include "atari/search.h"
#include "atari/toolbar.h"
#include "atari/rootwin.h"
#include "atari/clipboard.h"
#include "atari/misc.h"
#include "atari/plot/plot.h"
#include "cflib.h"
#include "atari/res/netsurf.rsh"
#include "atari/encoding.h"
 
 
#define TB_BUTTON_WIDTH 32
#define THROBBER_WIDTH 32
#define THROBBER_MIN_INDEX 1
#define THROBBER_MAX_INDEX 12
#define THROBBER_INACTIVE_INDEX 13
 
enum e_toolbar_button_states {
        button_on = 0,
        button_off = 1
};
#define TOOLBAR_BUTTON_NUM_STATES   2
 
struct s_toolbar;
 
struct s_tb_button {
        short rsc_id;
        void (*cb_click)(struct s_toolbar *tb);
        struct hlcache_handle *icon[TOOLBAR_BUTTON_NUM_STATES];
        struct s_toolbar *owner;
        enum e_toolbar_button_states state;
        short index;
        GRECT area;
};
 
 
extern char * option_homepage_url;
extern void * h_gem_rsrc;
extern struct gui_window * input_window;
extern long atari_plot_flags;
extern int atari_plot_vdi_handle;
extern EVMULT_OUT aes_event_out;
 
static OBJECT * aes_toolbar = NULL;
static OBJECT * throbber_form = NULL;
static bool init = false;
static int area_navigation_height = 0;
static int area_search_height = 0;
static int area_full_height = 0;
static float toolbar_url_scale = 1.0;
 
static plot_font_style_t font_style_url = {
        .family = PLOT_FONT_FAMILY_SANS_SERIF,
        .size = 14*PLOT_STYLE_SCALE,
        .weight = 400,
        .flags = FONTF_NONE,
        .background = 0xffffff,
        .foreground = 0x0
};
 
 
/* prototypes & order for button widgets: */
 
static struct s_tb_button tb_buttons[] = {
        {
                TOOLBAR_BT_BACK,
                toolbar_back_click,
                {0,0},
                0, 0, 0, {0,0,0,0}
        },
        {
                TOOLBAR_BT_HOME,
                toolbar_home_click,
                {0,0},
                0, 0, 0, {0,0,0,0}
        },
        {
                TOOLBAR_BT_FORWARD,
                toolbar_forward_click,
                {0,0},
                0, 0, 0, {0,0,0,0}
        },
        {
                TOOLBAR_BT_STOP,
                toolbar_stop_click,
                {0,0},
                0, 0, 0, {0,0,0,0}
        },
        {
                TOOLBAR_BT_RELOAD,
                toolbar_reload_click,
                {0,0},
                0, 0, 0, {0,0,0,0}
        },
        { 0, 0, {0,0}, 0, -1, 0, {0,0,0,0}}
};
 
struct s_toolbar_style {
        int font_height_pt;
};
 
static struct s_toolbar_style toolbar_styles[] = {
        /* small (18 px height) */
        {9},
        /* medium (default - 26 px height) */
        {14},
        /* large ( 49 px height ) */
        {18},
        /* custom style: */
        {18}
};
 
static const struct redraw_context toolbar_rdrw_ctx = {
        .interactive = true,
        .background_images = true,
        .plot = &atari_plotters
};
 
static void tb_txt_request_redraw(void *data, int x, int y, int w, int h );
 
/**
 *   Find a button for a specific resource ID
 */
static struct s_tb_button *find_button(struct s_toolbar *tb, int rsc_id)
{
        int i = 0;
        while (i < tb->btcnt) {
                if (tb->buttons[i].rsc_id == rsc_id) {
                        return(&tb->buttons[i]);
                }
                i++;
        }
        return(NULL);
}
 
/**
 *   Callback for textarea redraw
 */
static void tb_txt_request_redraw(void *data, int x, int y, int w, int h)
{
 
        GRECT area;
        struct s_toolbar * tb = (struct s_toolbar *)data;
 
        if (tb->attached == false) {
                return;
        }
 
        toolbar_get_grect(tb, TOOLBAR_AREA_URL, &area);
        area.g_x += x;
        area.g_y += y;
        area.g_w = w;
        area.g_h = h;
        /* dbg_grect("tb_txt_request_redraw", &area); */
        window_schedule_redraw_grect(tb->owner, &area);
        return;
}
 
static void tb_txt_callback(void *data, struct textarea_msg *msg)
{
        switch (msg->type) {
 
        case TEXTAREA_MSG_DRAG_REPORT:
                break;
 
        case TEXTAREA_MSG_REDRAW_REQUEST:
                tb_txt_request_redraw(data,
                                      msg->data.redraw.x0, msg->data.redraw.y0,
                                      msg->data.redraw.x1 - msg->data.redraw.x0,
                                      msg->data.redraw.y1 - msg->data.redraw.y0);
                break;
 
        default:
                break;
        }
}
 
static struct s_tb_button *button_init(struct s_toolbar *tb, OBJECT * tree, int index,
                                       struct s_tb_button * instance)
{
        *instance = tb_buttons[index];
        instance->owner = tb;
 
        return(instance);
}
 
 
static short __CDECL toolbar_url_userdraw(PARMBLK *parmblock)
{
        return(0);
}
 
void toolbar_init( void )
{
        static USERBLK userblk;
 
        aes_toolbar = gemtk_obj_get_tree(TOOLBAR);
        throbber_form = gemtk_obj_get_tree(THROBBER);
 
        userblk.ub_code = toolbar_url_userdraw;
        userblk.ub_parm = (long) aes_toolbar[TOOLBAR_AREA_URL].ob_spec.userblk;
        aes_toolbar[TOOLBAR_AREA_URL].ob_spec.userblk = &userblk;
 
        aes_toolbar[TOOLBAR_CB_SHOWALL].ob_state &= ~OS_SELECTED;
        aes_toolbar[TOOLBAR_CB_CASESENSE].ob_state &= ~OS_SELECTED;
 
        /* init default values: */
        gemtk_obj_set_str_safe(aes_toolbar, TOOLBAR_TB_SRCH, (char*)"");
 
        area_full_height = aes_toolbar->ob_height;
        area_search_height = aes_toolbar[TOOLBAR_AREA_SEARCH].ob_height;
        area_navigation_height = aes_toolbar[TOOLBAR_AREA_NAVIGATION].ob_height;
 
        init = true;
}
 
 
void toolbar_exit(void)
{
 
}
 
 
struct s_toolbar *toolbar_create(struct s_gui_win_root *owner)
{
        int i;
        struct s_toolbar *t;
 
        NSLOG(netsurf, INFO, "owner %p", owner);
 
        assert(init == true);
 
        t = calloc(1, sizeof(struct s_toolbar));
 
        assert(t);
 
        /* initialize the toolbar values: */
        t->owner = owner;
        t->style = 1;
        t->search_visible = false;
        t->visible = true;
        t->reflow = true;
 
        /* dublicate the form template: */
        t->form = gemtk_obj_tree_copy(aes_toolbar);
 
 
        /* count buttons and add them as components: */
        i = 0;
        while(tb_buttons[i].rsc_id > 0) {
                i++;
        }
        t->btcnt = i;
        t->buttons = malloc(t->btcnt * sizeof(struct s_tb_button));
        memset(t->buttons, 0, t->btcnt * sizeof(struct s_tb_button));
        for (i=0; i < t->btcnt; i++) {
                button_init(t, aes_toolbar, i, &t->buttons[i]);
        }
 
        /* create the url widget: */
        font_style_url.size =
                toolbar_styles[t->style].font_height_pt * PLOT_STYLE_SCALE;
 
        textarea_flags ta_flags = TEXTAREA_INTERNAL_CARET;
        textarea_setup ta_setup;
        ta_setup.width = 300;
        ta_setup.height = t->form[TOOLBAR_AREA_URL].ob_height;
        ta_setup.pad_top = 0;
        ta_setup.pad_right = 4;
        ta_setup.pad_bottom = 0;
        ta_setup.pad_left = 4;
        ta_setup.border_width = 1;
        ta_setup.border_col = 0x000000;
        ta_setup.selected_text = 0xffffff;
        ta_setup.selected_bg = 0x000000;
        ta_setup.text = font_style_url;
        ta_setup.text.foreground = 0x000000;
        ta_setup.text.background = 0xffffff;
        t->url.textarea = textarea_create(ta_flags, &ta_setup,
                                          tb_txt_callback, t);
 
        /* create the throbber widget: */
        t->throbber.index = THROBBER_INACTIVE_INDEX;
        t->throbber.max_index = THROBBER_MAX_INDEX;
        t->throbber.running = false;
 
        NSLOG(netsurf, INFO,
              "created toolbar: %p, root: %p, textarea: %p, throbber: %p", t,
              owner, t->url.textarea, &t->throbber);
        return( t );
}
 
 
void toolbar_destroy(struct s_toolbar *tb)
{
        free(tb->buttons);
        free(tb->form);
 
        textarea_destroy(tb->url.textarea);
 
        free(tb);
}
 
static int toolbar_calculate_height(struct s_toolbar *tb)
{
        int r = 0;
 
        if (tb->visible == false) {
                return(0);
        }
 
        r += area_navigation_height;
 
        if (tb->search_visible) {
                r += area_search_height;
        }
 
        return(r);
}
 
static void toolbar_reflow(struct s_toolbar *tb)
{
        int i;
        short offx, offy;
 
        // position toolbar areas:
        tb->form->ob_x = tb->area.g_x;
        tb->form->ob_y = tb->area.g_y;
        tb->form->ob_width = tb->area.g_w;
        tb->form->ob_height = toolbar_calculate_height(tb);
 
        // expand the "main" areas to the current width:
        tb->form[TOOLBAR_AREA_NAVIGATION].ob_width = tb->area.g_w;
        tb->form[TOOLBAR_AREA_SEARCH].ob_width = tb->area.g_w;
 
        if (tb->search_visible) {
                tb->form[TOOLBAR_AREA_SEARCH].ob_state &= ~OF_HIDETREE;
        } else {
                tb->form[TOOLBAR_AREA_SEARCH].ob_state |= OF_HIDETREE;
 
        }
 
        // align TOOLBAR_AREA_RIGHT IBOX at right edge:
        tb->form[TOOLBAR_AREA_RIGHT].ob_x = tb->area.g_w
                - tb->form[TOOLBAR_AREA_RIGHT].ob_width;
 
        // center the URL area:
        tb->form[TOOLBAR_AREA_URL].ob_width = tb->area.g_w
                - (tb->form[TOOLBAR_AREA_LEFT].ob_width
                   + tb->form[TOOLBAR_AREA_RIGHT].ob_width);
 
        // position throbber image above IBOX:
        objc_offset(tb->form, TOOLBAR_THROBBER_AREA, &offx, &offy);
        throbber_form[tb->throbber.index].ob_x = offx;
        throbber_form[tb->throbber.index].ob_y = offy;
 
        // align the search button:
        tb->form[TOOLBAR_SEARCH_ALIGN_RIGHT].ob_x = tb->area.g_w
                - tb->form[TOOLBAR_SEARCH_ALIGN_RIGHT].ob_width;
 
        // set button states:
        for (i=0; i < tb->btcnt; i++ ) {
                if (tb->buttons[i].state == button_off) {
                        tb->form[tb->buttons[i].rsc_id].ob_state |= OS_DISABLED;
                } else if (tb->buttons[i].state == button_on) {
                        tb->form[tb->buttons[i].rsc_id].ob_state &= ~OS_DISABLED;
                }
        }
        tb->reflow = false;
        // TODO: iterate through all other toolbars and set reflow = true
}
 
void toolbar_redraw(struct s_toolbar *tb, GRECT *clip)
{
        GRECT area, area_ro;
 
        if (tb->attached == false) {
                return;
        }
 
        if(tb->reflow == true)
                toolbar_reflow(tb);
 
        //dbg_grect("toolbar redraw clip", clip);
 
        /* Redraw the AES objects: */
        objc_draw_grect(tb->form,0,8,clip);
        objc_draw_grect(&throbber_form[tb->throbber.index], 0, 1, clip);
 
        toolbar_get_grect(tb, TOOLBAR_AREA_URL, &area_ro);
        area = area_ro;
 
        if (rc_intersect(clip, &area)) {
                float old_scale;
 
                plot_set_dimensions(&toolbar_rdrw_ctx, area_ro.g_x, area_ro.g_y, area_ro.g_w, area_ro.g_h);
                struct rect r = {
                        .x0 = MAX(0,area.g_x - area_ro.g_x),
                        .y0 = MAX(0,area.g_y - area_ro.g_y),
                        .x1 = MAX(0,area.g_x - area_ro.g_x) + area.g_w,
                        .y1 = MAX(0,area.g_y - area_ro.g_y) + area.g_h
                };
                //dbg_rect("tb textarea clip: ", &r);
                // TODO: let this be handled by an userdef object redraw function:
                /* Redraw the url input: */
                old_scale = plot_set_scale(toolbar_url_scale);
                textarea_redraw(tb->url.textarea, 0, 0, 0xffffff, 1.0, &r,
                                &toolbar_rdrw_ctx);
                plot_set_scale(old_scale);
        }
}
 
 
void
toolbar_update_buttons(struct s_toolbar *tb,
                       struct browser_window *bw,
                       short button)
{
        NSLOG(netsurf, INFO, "tb %p", tb);
 
        struct s_tb_button * bt;
        bool enable = false;
        GRECT area;
 
        assert(bw != NULL);
 
        if (button == TOOLBAR_BT_BACK || button <= 0 ) {
                bt = find_button(tb, TOOLBAR_BT_BACK);
                enable = browser_window_back_available(bw);
                if (enable) {
                        bt->state = button_on;
                } else {
                        bt->state = button_off;
                }
        }
 
        if (button == TOOLBAR_BT_HOME || button <= 0 ) {
 
        }
 
        if (button == TOOLBAR_BT_FORWARD || button <= 0 ) {
                bt = find_button(tb, TOOLBAR_BT_FORWARD);
                enable = browser_window_forward_available(bw);
                if (enable) {
                        bt->state = button_on;
                } else {
                        bt->state = button_off;
                }
        }
 
        if (button == TOOLBAR_BT_RELOAD || button <= 0 ) {
                bt = find_button(tb, TOOLBAR_BT_RELOAD);
                enable = browser_window_reload_available(bw);
                if (enable) {
                        bt->state = button_on;
                } else {
                        bt->state = button_off;
                }
        }
 
        if (button == TOOLBAR_BT_STOP || button <= 0) {
                bt = find_button(tb, TOOLBAR_BT_STOP);
                enable = browser_window_stop_available(bw);
                if (enable) {
                        bt->state = button_on;
                } else {
                        bt->state = button_off;
                }
        }
 
        if (tb->attached) {
                if (button > 0) {
                        toolbar_get_grect(tb, button, &area);
                        window_schedule_redraw_grect(tb->owner, &area);
                } else {
                        toolbar_get_grect(tb, TOOLBAR_AREA_LEFT, &area);
                        window_schedule_redraw_grect(tb->owner, &area);
 
                        toolbar_get_grect(tb, TOOLBAR_AREA_RIGHT, &area);
                        window_schedule_redraw_grect(tb->owner, &area);
                }
        }
}
 
void toolbar_set_width(struct s_toolbar *tb, short w)
{
        GRECT cur;
 
        toolbar_get_grect(tb, 0, &cur);
 
        if (w != cur.g_w) {
 
                tb->area.g_w = w;
 
                /* reflow now, just for url input calucation: */
                toolbar_reflow(tb);
                /* this will request an textarea redraw: */
                textarea_set_dimensions(tb->url.textarea,
                                        tb->form[TOOLBAR_AREA_URL].ob_width,
                                        tb->form[TOOLBAR_AREA_URL].ob_height);
                tb->reflow = true;
        }
}
 
void toolbar_set_origin(struct s_toolbar *tb, short x, short y)
{
        GRECT cur;
 
        toolbar_get_grect(tb, 0, &cur);
 
        if (x != cur.g_x || y != cur.g_y) {
                tb->area.g_x = x;
                tb->area.g_y = y;
                tb->reflow = true;
        }
}
 
void toolbar_set_dimensions(struct s_toolbar *tb, GRECT *area)
{
        if (area->g_w != tb->area.g_w)  {
 
                tb->area = *area;
 
                /* reflow now, just for url input calucation: */
                toolbar_reflow(tb);
                /* this will request an textarea redraw: */
                textarea_set_dimensions(tb->url.textarea,
                                        tb->form[TOOLBAR_AREA_URL].ob_width,
                                        tb->form[TOOLBAR_AREA_URL].ob_height-1);
        }
        else {
                tb->area = *area;
        }
        /* reflow for next redraw: */
        /* TODO: that's only required because we do not reset others toolbars reflow
           state on reflow */
        tb->reflow = true;
}
 
 
void toolbar_set_url(struct s_toolbar *tb, const char *text)
{
        NSLOG(netsurf, INFO, "tb %p", tb);
 
        textarea_set_text(tb->url.textarea, text);
 
        if (tb->attached && tb->visible) {
                GRECT area;
                toolbar_get_grect(tb, TOOLBAR_AREA_URL, &area);
                window_schedule_redraw_grect(tb->owner, &area);
                struct gui_window * gw = window_get_active_gui_window(tb->owner);
                assert(gw != NULL);
                toolbar_update_buttons(tb, gw->browser->bw , 0);
        }
}
 
void toolbar_set_throbber_state(struct s_toolbar *tb, bool active)
{
        GRECT throbber_area;
 
        tb->throbber.running = active;
        if (active) {
                tb->throbber.index = THROBBER_MIN_INDEX;
        } else {
                tb->throbber.index = THROBBER_INACTIVE_INDEX;
        }
 
        tb->reflow = true;
        toolbar_get_grect(tb, TOOLBAR_THROBBER_AREA, &throbber_area);
        window_schedule_redraw_grect(tb->owner, &throbber_area);
}
 
void toolbar_set_visible(struct s_toolbar *tb, short area, bool visible)
{
        if (area == 0) {
                if ((visible == false) && (tb->visible == true)) {
                        tb->visible = false;
                        tb->reflow = true;
                } else if((visible == true) && (tb->visible == false)) {
                        tb->visible = false;
                        tb->reflow = true;
                }
        } else if (area == TOOLBAR_AREA_SEARCH) {
                tb->search_visible = visible;
                tb->reflow = true;
                OBJECT *frm = toolbar_get_form(tb);
                if(visible == false){
                        frm[TOOLBAR_AREA_SEARCH].ob_flags |= OF_HIDETREE;
                } else {
                        frm[TOOLBAR_AREA_SEARCH].ob_flags &= ~OF_HIDETREE;
                }
        }
}
 
void toolbar_set_reflow(struct s_toolbar *tb, bool do_reflow)
{
        tb->reflow = do_reflow;
}
 
void toolbar_set_attached(struct s_toolbar *tb, bool attached)
{
        tb->attached = attached;
 
}
 
void toolbar_throbber_progress(struct s_toolbar *tb)
{
        GRECT throbber_area;
 
        assert(tb->throbber.running == true);
 
        if(tb->throbber.running == false)
                return;
 
        tb->throbber.index++;
        if (tb->throbber.index > THROBBER_MAX_INDEX) {
                tb->throbber.index = THROBBER_MIN_INDEX;
        }
 
        tb->reflow = true;
        toolbar_get_grect(tb, TOOLBAR_THROBBER_AREA, &throbber_area);
        window_schedule_redraw_grect(tb->owner, &throbber_area);
}
 
bool toolbar_text_input(struct s_toolbar *tb, char *text)
{
        bool handled = true;
 
        NSLOG(netsurf, INFO, "tb %p", tb);
 
        return(handled);
}
 
bool toolbar_key_input(struct s_toolbar *tb, short nkc)
{
 
        assert(tb!=NULL);
        bool ret = false;
        struct gui_window *gw = window_get_active_gui_window(tb->owner);
 
        assert( gw != NULL );
 
        long ucs4;
        long ik = nkc_to_input_key(nkc, &ucs4);
 
        if (ik == 0) {
                if ((nkc&0xFF) >= 9) {
                        ret = textarea_keypress(tb->url.textarea, ucs4);
                }
 
        } else if (ik == NS_KEY_CR || ik == NS_KEY_NL) {
                nsurl *url;
                char tmp_url[PATH_MAX];
                if ( textarea_get_text( tb->url.textarea, tmp_url, PATH_MAX) > 0 ) {
                        window_set_focus(tb->owner, BROWSER, gw->browser);
                        if (nsurl_create((const char*)&tmp_url, &url) != NSERROR_OK) {
                                atari_warn_user("NoMemory", 0);
                        } else {
                                browser_window_navigate(gw->browser->bw, url, NULL,
                                                        BW_NAVIGATE_HISTORY,
                                                        NULL, NULL, NULL);
                                nsurl_unref(url);
                        }
 
                        ret = true;
                }
 
        } else if (ik == NS_KEY_COPY_SELECTION) {
                // copy whole text
                char * text;
                int len;
                len = textarea_get_text( tb->url.textarea, NULL, 0 );
                text = malloc( len+1 );
                if (text){
                        textarea_get_text( tb->url.textarea, text, len+1 );
                        scrap_txt_write(text);
                        free( text );
                }
 
        } else if ( ik == NS_KEY_PASTE) {
                char * clip = scrap_txt_read();
                if ( clip != NULL ){
                        int clip_length = strlen( clip );
                        if ( clip_length > 0 ) {
                                char *utf8;
                                nserror res;
                                /* Clipboard is in local encoding so
                                 * convert to UTF8 */
                                res = utf8_from_local_encoding( clip, clip_length, &utf8 );
                                if ( res == NSERROR_OK ) {
                                        toolbar_set_url(tb, utf8);
                                        free(utf8);
                                        ret = true;
                                }
                        }
                        free( clip );
                }
 
        } else if (ik == NS_KEY_ESCAPE) {
                textarea_keypress( tb->url.textarea, NS_KEY_SELECT_ALL );
                textarea_keypress( tb->url.textarea, NS_KEY_DELETE_LEFT );
 
        } else {
                ret = textarea_keypress( tb->url.textarea, ik );
 
        }
 
        return( ret );
}
 
 
void toolbar_mouse_input(struct s_toolbar *tb, short obj, short button)
{
        GRECT work;
        short mx, my, mb, kstat;
        struct gui_window * gw;
 
        NSLOG(netsurf, INFO, "tb %p", tb);
 
 
        if (obj==TOOLBAR_AREA_URL) {
                graf_mkstate(&mx, &my, &mb,  &kstat);
                toolbar_get_grect(tb, TOOLBAR_AREA_URL, &work);
                mx -= work.g_x;
                my -= work.g_y;
 
                /* TODO: reset mouse state of browser window? */
                /* select whole text when newly focused, otherwise set caret to
                   end of text */
                if (!window_url_widget_has_focus(tb->owner)) {
                        window_set_focus(tb->owner, URL_WIDGET, (void*)&tb->url);
 
                } else if (mb & 1) {
                        /* url widget has focus and mouse button is still pressed... */
 
                        textarea_mouse_action(tb->url.textarea, BROWSER_MOUSE_DRAG_1,
                                              mx, my );
                        short prev_x = mx;
                        short prev_y = my;
                        do {
                                if (abs(prev_x-mx) > 5 || abs(prev_y-my) > 5) {
                                        textarea_mouse_action( tb->url.textarea,
                                                               BROWSER_MOUSE_HOLDING_1, mx, my );
                                        prev_x = mx;
                                        prev_y = my;
                                        window_schedule_redraw_grect(tb->owner, &work);
                                        window_process_redraws(tb->owner);
                                }
                                graf_mkstate( &mx, &my, &mb,  &kstat );
                                mx = mx - (work.g_x);
                                my = my - (work.g_y);
                        } while (mb & 1);
 
                        textarea_mouse_action( tb->url.textarea, BROWSER_MOUSE_HOVER, mx,
                                               my);
 
                } else if (button & 2) {
                        // TODO: open a context popup
 
                } else {
                        /* when execution reaches here, mouse input is a click or dclick */
                        /* TODO: recognize click + shitoolbar_update_buttonsft key */
                        if (aes_event_out.emo_mclicks == 2 ) {
                                textarea_mouse_action( tb->url.textarea,
                                                       BROWSER_MOUSE_DOUBLE_CLICK | BROWSER_MOUSE_CLICK_1, mx,
                                                       my);
                                toolbar_get_grect(tb, TOOLBAR_AREA_URL, &work);
                                window_schedule_redraw_grect(tb->owner, &work);
                        } else {
                                textarea_mouse_action(tb->url.textarea,
                                                      BROWSER_MOUSE_PRESS_1, mx, my );
                        }
                }
 
        } else if(obj==TOOLBAR_TB_SRCH) {
                window_set_focus(tb->owner, SEARCH_INPUT, NULL);
 
        } else if (obj==TOOLBAR_BT_SEARCH_FWD) {
                gw = tb->owner->active_gui_window;
                assert(gw->search);
                nsatari_search_perform(gw->search, tb->form, SEARCH_FLAG_FORWARDS);
 
        } else if (obj==TOOLBAR_BT_SEARCH_BACK) {
                gw = tb->owner->active_gui_window;
                assert(gw->search);
                nsatari_search_perform(gw->search, tb->form, 0);
 
        } else if (obj==TOOLBAR_BT_CLOSE_SEARCH) {
                tb->form[TOOLBAR_BT_CLOSE_SEARCH].ob_state &= ~OS_SELECTED;
                window_close_search(tb->owner);
        } else {
                struct s_tb_button *bt = find_button(tb, obj);
                if (bt != NULL && bt->state != button_off) {
                        bt->cb_click(tb);
                        struct gui_window * gw = window_get_active_gui_window(tb->owner);
                        toolbar_update_buttons(tb, gw->browser->bw, 0);
                }
        }
}
 
 
/**
 * Receive a specific region of the toolbar.
 * @param tb - the toolbar pointer
 * @param which - the area to retrieve:  0 to receive the workarea,
 all other values must be
 an resource ID of the TOOLBAR tree.
 * @param dst - GRECT pointer receiving the area.
 */
 
void toolbar_get_grect(struct s_toolbar *tb, short which, GRECT *dst)
{
#define LAST_TOOLBAR_AREA TOOLBAR_AREA_SEARCH
 
        if (tb->reflow == true) {
                toolbar_reflow(tb);
        }
 
        objc_offset(tb->form, which, &dst->g_x, &dst->g_y);
 
        dst->g_w = tb->form[which].ob_width;
        dst->g_h = tb->form[which].ob_height;
        //tb->form[which].ob_height;
 
        //printf("Toolbar get grect (%d): ", which);
        //dbg_grect("", dst);
 
#undef LAST_TOOLBAR_AREA
}
 
 
struct textarea *toolbar_get_textarea(struct s_toolbar *tb,
                                      enum toolbar_textarea which)
{
        return(tb->url.textarea);
}
 
char *toolbar_get_url(struct s_toolbar *tb)
{
        char * c_url = NULL;
        int c_url_len = 0;
 
        c_url_len = textarea_get_text(tb->url.textarea, NULL, 0);
 
        if (c_url_len > -1) {
                c_url = malloc(c_url_len+1);
                textarea_get_text(tb->url.textarea, c_url, c_url_len+1);
        }
 
        return(c_url);
}
 
nsurl * toolbar_get_nsurl(struct s_toolbar * tb)
{
        nsurl * ns_url = NULL;
        char * c_url;
 
        c_url = toolbar_get_url(tb);
        if (c_url) {
                nsurl_create(c_url, &ns_url);
        }
 
        return(ns_url);
}
 
 
OBJECT *toolbar_get_form(struct s_toolbar *tb)
{
        return(tb->form);
}
 
 
/* public event handler */
void toolbar_back_click(struct s_toolbar *tb)
{
        struct browser_window * bw;
        struct gui_window * gw;
 
        gw = window_get_active_gui_window(tb->owner);
        assert(gw != NULL);
        bw = gw->browser->bw;
        assert(bw != NULL);
 
        if( browser_window_back_available(bw) ) {
                browser_window_history_back(bw, false);
        }
}
 
void toolbar_reload_click(struct s_toolbar *tb)
{
        struct browser_window * bw;
        struct gui_window * gw;
 
        gw = window_get_active_gui_window(tb->owner);
        assert(gw != NULL);
        bw = gw->browser->bw;
        assert(bw != NULL);
 
        browser_window_reload(bw, true);
}
 
void toolbar_forward_click(struct s_toolbar *tb)
{
        struct browser_window * bw;
        struct gui_window * gw;
 
        gw = window_get_active_gui_window(tb->owner);
        assert(gw != NULL);
        bw = gw->browser->bw;
        assert(bw != NULL);
 
        if (browser_window_forward_available(bw)) {
                browser_window_history_forward(bw, false);
        }
}
 
void toolbar_home_click(struct s_toolbar *tb)
{
        struct browser_window * bw;
        struct gui_window * gw;
        nsurl *url;
        char * use_url = NULL;
 
        gw = window_get_active_gui_window(tb->owner);
        assert(gw != NULL);
        bw = gw->browser->bw;
        assert(bw != NULL);
 
        use_url = nsoption_charp(homepage_url);
        if (use_url == NULL || strlen(use_url) == 0){
                use_url = (char*)"about:welcome";
        }
 
        if (nsurl_create(use_url, &url) != NSERROR_OK) {
                atari_warn_user("NoMemory", 0);
        } else {
                browser_window_navigate(bw,
                                        url,
                                        NULL,
                                        BW_NAVIGATE_HISTORY,
                                        NULL,
                                        NULL,
                                        NULL);
                nsurl_unref(url);
        }
}
 
 
void toolbar_stop_click(struct s_toolbar *tb)
{
        struct browser_window * bw;
        struct gui_window * gw;
 
        gw = window_get_active_gui_window(tb->owner);
 
        assert(gw != NULL);
 
        bw = gw->browser->bw;
 
        assert(bw != NULL);
 
        browser_window_stop(bw);
}
 
void toolbar_favorite_click(struct s_toolbar *tb)
{
        nsurl * ns_url = NULL;
        char * c_url;
        int c_url_len = 0;
 
        c_url = toolbar_get_url(tb);
        c_url_len = strlen(c_url);
 
        nsurl_create(c_url, &ns_url);
 
        if (hotlist_has_url(ns_url)) {
                char msg[c_url_len+100];
                snprintf(msg, c_url_len+100, "Really delete from favorites: \"%s\"",
                         c_url);
                if (gemtk_msg_box_show(GEMTK_MSG_BOX_CONFIRM, msg)) {
                        hotlist_remove_url(ns_url);
                }
 
        } else {
                hotlist_add_url(ns_url);
 
        }
 
        nsurl_unref(ns_url);
        free(c_url);
}
 
void toolbar_crypto_click(struct s_toolbar *tb)
{
 
}