Sweden-Number/dlls/mshtml/editor.c

234 lines
6.3 KiB
C

/*
* Copyright 2006 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winnls.h"
#include "ole2.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "mshtml_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
static const WCHAR wszFont[] = {'f','o','n','t',0};
static const WCHAR wszSize[] = {'s','i','z','e',0};
static nsISelection *get_ns_selection(HTMLDocument *This)
{
nsIDOMWindow *dom_window;
nsISelection *nsselection = NULL;
nsresult nsres;
if(!This->nscontainer)
return NULL;
nsres = nsIWebBrowser_GetContentDOMWindow(This->nscontainer->webbrowser, &dom_window);
if(NS_FAILED(nsres))
return NULL;
nsIDOMWindow_GetSelection(dom_window, &nsselection);
nsIDOMWindow_Release(dom_window);
return nsselection;
}
static void remove_child_attr(nsIDOMElement *elem, LPCWSTR tag, nsAString *attr_str)
{
PRBool has_children;
PRUint32 child_cnt, i;
nsIDOMNode *child_node;
nsIDOMNodeList *node_list;
PRUint16 node_type;
nsIDOMElement_HasChildNodes(elem, &has_children);
if(!has_children)
return;
nsIDOMElement_GetChildNodes(elem, &node_list);
nsIDOMNodeList_GetLength(node_list, &child_cnt);
for(i=0; i<child_cnt; i++) {
nsIDOMNodeList_Item(node_list, i, &child_node);
nsIDOMNode_GetNodeType(child_node, &node_type);
if(node_type == ELEMENT_NODE) {
nsIDOMElement *child_elem;
nsAString tag_str;
const PRUnichar *ctag;
nsIDOMNode_QueryInterface(child_node, &IID_nsIDOMElement, (void**)&child_elem);
nsAString_Init(&tag_str, NULL);
nsIDOMElement_GetTagName(child_elem, &tag_str);
nsAString_GetData(&tag_str, &ctag, NULL);
if(!strcmpiW(ctag, tag))
/* FIXME: remove node if there are no more attributes */
nsIDOMElement_RemoveAttribute(child_elem, attr_str);
nsAString_Finish(&tag_str);
remove_child_attr(child_elem, tag, attr_str);
nsIDOMNode_Release(child_elem);
}
nsIDOMNode_Release(child_node);
}
nsIDOMNodeList_Release(node_list);
}
void get_font_size(HTMLDocument *This, WCHAR *ret)
{
nsISelection *nsselection = get_ns_selection(This);
nsIDOMElement *elem = NULL;
nsIDOMNode *node = NULL, *tmp_node;
nsAString tag_str;
LPCWSTR tag;
PRUint16 node_type;
nsresult nsres;
*ret = 0;
if(!nsselection)
return;
nsISelection_GetFocusNode(nsselection, &node);
nsISelection_Release(nsselection);
while(node) {
nsres = nsIDOMNode_GetNodeType(node, &node_type);
if(NS_FAILED(nsres) || node_type == DOCUMENT_NODE)
break;
if(node_type == ELEMENT_NODE) {
nsIDOMNode_QueryInterface(node, &IID_nsIDOMElement, (void**)&elem);
nsAString_Init(&tag_str, NULL);
nsIDOMElement_GetTagName(elem, &tag_str);
nsAString_GetData(&tag_str, &tag, NULL);
if(!strcmpiW(tag, wszFont)) {
nsAString size_str, val_str;
LPCWSTR val;
TRACE("found font tag %p\n", elem);
nsAString_Init(&size_str, wszSize);
nsAString_Init(&val_str, NULL);
nsIDOMElement_GetAttribute(elem, &size_str, &val_str);
nsAString_GetData(&val_str, &val, NULL);
if(*val) {
TRACE("found size %s\n", debugstr_w(val));
strcpyW(ret, val);
}
nsAString_Finish(&size_str);
nsAString_Finish(&val_str);
}
nsAString_Finish(&tag_str);
nsIDOMElement_Release(elem);
}
if(*ret)
break;
tmp_node = node;
nsIDOMNode_GetParentNode(node, &node);
nsIDOMNode_Release(tmp_node);
}
if(node)
nsIDOMNode_Release(node);
}
void set_font_size(HTMLDocument *This, LPCWSTR size)
{
nsISelection *nsselection;
PRBool collapsed;
nsIDOMDocument *nsdoc;
nsIDOMElement *elem;
nsIDOMRange *range;
PRInt32 range_cnt = 0;
nsAString font_str;
nsAString size_str;
nsAString val_str;
nsresult nsres;
nsselection = get_ns_selection(This);
if(!nsselection)
return;
nsres = nsIWebNavigation_GetDocument(This->nscontainer->navigation, &nsdoc);
if(NS_FAILED(nsres))
return;
nsAString_Init(&font_str, wszFont);
nsAString_Init(&size_str, wszSize);
nsAString_Init(&val_str, size);
nsISelection_GetRangeCount(nsselection, &range_cnt);
if(range_cnt != 1)
FIXME("range_cnt %d not supprted\n", range_cnt);
nsIDOMDocument_CreateElement(nsdoc, &font_str, &elem);
nsIDOMElement_SetAttribute(elem, &size_str, &val_str);
nsISelection_GetRangeAt(nsselection, 0, &range);
nsISelection_GetIsCollapsed(nsselection, &collapsed);
nsISelection_RemoveAllRanges(nsselection);
nsIDOMRange_SurroundContents(range, (nsIDOMNode*)elem);
if(collapsed) {
nsISelection_Collapse(nsselection, (nsIDOMNode*)elem, 0);
}else {
/* Remove all size attrbutes from the range */
remove_child_attr(elem, wszFont, &size_str);
nsISelection_SelectAllChildren(nsselection, (nsIDOMNode*)elem);
}
nsIDOMRange_Release(range);
nsIDOMElement_Release(elem);
nsAString_Finish(&font_str);
nsAString_Finish(&size_str);
nsAString_Finish(&val_str);
nsISelection_Release(nsselection);
nsIDOMDocument_Release(nsdoc);
}