netsurf/atari/ctxmenu.c

/*
 * Copyright 2010 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 <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdbool.h>
#include <assert.h>
#include <windom.h>
#include <mint/osbind.h>

#include "desktop/gui.h"
#include "desktop/netsurf.h"
#include "desktop/browser.h"
#include "desktop/browser_private.h"
#include "desktop/mouse.h"
#include "desktop/textinput.h"
#include "content/content.h"
#include "content/hlcache.h"
#include "content/urldb.h"
#include "css/css.h"
#include "utils/log.h"
#include "utils/messages.h"

#include "atari/gui.h"
#include "atari/browser.h"
#include "atari/rootwin.h"
#include "atari/misc.h"
#include "atari/clipboard.h"
#include "desktop/options.h"
#include "atari/res/netsurf.rsh"
#include "atari/ctxmenu.h"


#define CNT_INVALID 0
#define CNT_URLINPUT 32
#define CNT_BROWSER 64
#define CNT_HREF 128
#define CNT_SELECTION 256
#define CNT_INTERACTIVE 512
#define CNT_IMG 1024


struct s_context_info {
	unsigned long flags;
	struct contextual_content ccdata;
};

struct s_context_info ctxinfo;

static struct s_context_info * get_context_info( struct gui_window * gw, short mx, short my )
{
	hlcache_handle *h;
	GRECT bwrect;
	struct contextual_content ccdata;
	struct browser_window * bw = gw->browser->bw;

	h = bw->current_content;
	ctxinfo.flags = 0;

	guiwin_get_grect(gw->root->win, GUIWIN_AREA_CONTENT, &bwrect);
	mx -= bwrect.g_x;
	my -= bwrect.g_y;
	if( (mx < 0 || mx > bwrect.g_w) || (my < 0 || my > bwrect.g_h) ){
		// TODO: check for urlinput location
		// and set CNT_URLINPUT
		return(&ctxinfo);
	}

	if (!bw->current_content || content_get_type(h) != CONTENT_HTML){
		return(&ctxinfo);
	}

	ctxinfo.flags |= CNT_BROWSER;
	memset( &ctxinfo.ccdata, sizeof(struct contextual_content), 0 );
	browser_window_get_contextual_content(
		gw->browser->bw,
		mx+gw->browser->scroll.current.x,
		my+gw->browser->scroll.current.y,
		(struct contextual_content*)&ctxinfo.ccdata
	);
	if( ctxinfo.ccdata.link_url ){
		ctxinfo.flags |= CNT_HREF;
	}
	if( ctxinfo.ccdata.object) {
		if( content_get_type(ctxinfo.ccdata.object) == CONTENT_IMAGE ){
			ctxinfo.flags |= CNT_IMG;
		}
	}
	if ( ctxinfo.ccdata.form_features == CTX_FORM_TEXT )
		ctxinfo.flags |= (CNT_INTERACTIVE | CNT_SELECTION);
	return( &ctxinfo );
}

void context_popup(struct gui_window * gw, short x, short y)
{

#define POP_FIRST_ITEM POP_CTX_CUT_SEL
#define POP_LAST_ITEM POP_CTX_SAVE_LINK_AS

	OBJECT * pop;
	int choice;
	struct s_context_info * ctx;
	unsigned long size;
	const char * data;
	FILE * fp_tmpfile;
	char * tempfile;
	int err = 0;
	char * editor, *lastslash;
	char cmdline[PATH_MAX];

	pop = get_tree( POP_CTX );
	if (pop == NULL)
        	return;
	ctx = get_context_info(gw, x, y);

    /*
        Disable all items by default:
    */
	for( choice = POP_FIRST_ITEM; choice<=POP_LAST_ITEM; choice++ ){
		SET_BIT(pop[ choice ].ob_state, DISABLED, 1);
	}

	if( ctx->flags & CNT_INTERACTIVE ){
        	SET_BIT(pop[ POP_CTX_PASTE_SEL ].ob_state, DISABLED, 0);
    	}

	if( (ctx->flags & CNT_BROWSER) ){
		SET_BIT(pop[ POP_CTX_SELECT_ALL ].ob_state, DISABLED, 0);
		SET_BIT(pop[ POP_CTX_COPY_SEL ].ob_state, DISABLED, 0);
		SET_BIT(pop[ POP_CTX_VIEW_SOURCE ].ob_state, DISABLED, 0);
	}

	if( ctx->flags & CNT_HREF ){
		SET_BIT(pop[ POP_CTX_COPY_LINK ].ob_state, DISABLED, 0);
        SET_BIT(pop[ POP_CTX_OPEN_NEW ].ob_state, DISABLED, 0);
        SET_BIT(pop[ POP_CTX_SAVE_LINK_AS ].ob_state, DISABLED, 0);
	}

	if( ctx->flags & CNT_IMG ){
		SET_BIT(pop[ POP_CTX_SAVE_AS ].ob_state, DISABLED, 0);
		SET_BIT(pop[ POP_CTX_COPY_URL ].ob_state, DISABLED, 0);
		SET_BIT(pop[ POP_CTX_OPEN_NEW ].ob_state, DISABLED, 0);
	}

	choice = MenuPopUp(
		pop, x, y,
		-1, -1, -1,
		P_WNDW + P_CHCK
	);

	switch( choice ){
		case POP_CTX_COPY_SEL:
			browser_window_key_press( gw->browser->bw, KEY_COPY_SELECTION );
		break;

		case POP_CTX_CUT_SEL:
			browser_window_key_press( gw->browser->bw, KEY_CUT_SELECTION );
		break;

		case POP_CTX_PASTE_SEL:
			gui_paste_from_clipboard(gw, x, y);
		break;

		case POP_CTX_SELECT_ALL:
			browser_window_key_press( gw->browser->bw, KEY_SELECT_ALL );
		break;

		case POP_CTX_SAVE_AS:
			if( ctx->ccdata.object != NULL ) {
				if( hlcache_handle_get_url(ctx->ccdata.object) != NULL ) {
					browser_window_download(
						gw->browser->bw,
						nsurl_access(hlcache_handle_get_url(ctx->ccdata.object)),
						nsurl_access(hlcache_handle_get_url(gw->browser->bw->current_content))
					);
				}
			}

		case POP_CTX_SAVE_LINK_AS:
			if( ctx->ccdata.link_url != NULL ) {
				browser_window_download(
					gw->browser->bw,
					ctx->ccdata.link_url,
					nsurl_access(hlcache_handle_get_url(gw->browser->bw->current_content))
				);
			}

		break;

		case POP_CTX_COPY_URL:
			if( (ctx->flags & CNT_IMG) && (ctx->ccdata.object != NULL) ){
				if( hlcache_handle_get_url(ctx->ccdata.object) != NULL ){
					scrap_txt_write(&app,  (char*)nsurl_access(hlcache_handle_get_url(ctx->ccdata.object)) );
				}
			}
		break;

		case POP_CTX_COPY_LINK:
			if( (ctx->flags & CNT_HREF) && ctx->ccdata.link_url != NULL ){
				scrap_txt_write(&app, (char*)ctx->ccdata.link_url);
			}
		break;

		case POP_CTX_OPEN_NEW:
			if( (ctx->flags & CNT_HREF) && ctx->ccdata.link_url) {
				browser_window_create(
					ctx->ccdata.link_url,
					gw->browser->bw,
					nsurl_access(hlcache_handle_get_url(gw->browser->bw->current_content)),
					true, false
				);
			}
		break;

		case POP_CTX_VIEW_SOURCE:
			editor = nsoption_charp(atari_editor);
			if (editor != NULL && strlen(editor)>0) {
				data = content_get_source_data(gw->browser->bw->current_content,
												&size);
				if (size > 0 && data != NULL){
					tempfile = tmpnam( NULL );
					fp_tmpfile = fopen( tempfile, "w" );
					if (fp_tmpfile != NULL){
						fwrite(data, size, 1, fp_tmpfile);
						fclose(fp_tmpfile );
						lastslash = strrchr(editor, '/');
						if (lastslash == NULL)
							lastslash = strrchr(editor, '\\');
						if (lastslash == NULL)
							lastslash = editor;
						else
							lastslash++;
						if(is_process_running(lastslash)){
							err = ShelWrite( editor, tempfile , editor, 1, 0);
						} else {
							/* check for max length of simple commandline param: */
							if(strlen(tempfile)<=125){
								sprintf(cmdline, "%c%s", (char)strlen(tempfile),
												tempfile);
								Pexec(100, editor, cmdline, NULL);
							}
						}
					} else {
						printf("Could not open temp file: %s!\n", tempfile );
					}

				} else {
					LOG(("Invalid content!"));
				}
			} else {
				form_alert(0, "[1][Set option \"option_atari_editor\".][OK]");
			}
		break;

		default: break;
	}

#undef POP_FIRST_ITEM
#undef POP_LAST_ITEM

}