438 lines
11 KiB
C
438 lines
11 KiB
C
/*
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* Copyright 2006 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <stdio.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "winnls.h"
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#include "ole2.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "mshtml_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
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#define DOM_VK_LEFT VK_LEFT
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#define DOM_VK_UP VK_UP
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#define DOM_VK_RIGHT VK_RIGHT
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#define DOM_VK_DOWN VK_DOWN
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static const WCHAR wszFont[] = {'f','o','n','t',0};
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static const WCHAR wszSize[] = {'s','i','z','e',0};
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static nsISelection *get_ns_selection(HTMLDocument *This)
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{
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nsIDOMWindow *dom_window;
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nsISelection *nsselection = NULL;
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nsresult nsres;
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if(!This->nscontainer)
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return NULL;
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nsres = nsIWebBrowser_GetContentDOMWindow(This->nscontainer->webbrowser, &dom_window);
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if(NS_FAILED(nsres))
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return NULL;
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nsIDOMWindow_GetSelection(dom_window, &nsselection);
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nsIDOMWindow_Release(dom_window);
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return nsselection;
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}
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static void remove_child_attr(nsIDOMElement *elem, LPCWSTR tag, nsAString *attr_str)
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{
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PRBool has_children;
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PRUint32 child_cnt, i;
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nsIDOMNode *child_node;
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nsIDOMNodeList *node_list;
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PRUint16 node_type;
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nsIDOMElement_HasChildNodes(elem, &has_children);
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if(!has_children)
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return;
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nsIDOMElement_GetChildNodes(elem, &node_list);
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nsIDOMNodeList_GetLength(node_list, &child_cnt);
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for(i=0; i<child_cnt; i++) {
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nsIDOMNodeList_Item(node_list, i, &child_node);
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nsIDOMNode_GetNodeType(child_node, &node_type);
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if(node_type == ELEMENT_NODE) {
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nsIDOMElement *child_elem;
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nsAString tag_str;
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const PRUnichar *ctag;
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nsIDOMNode_QueryInterface(child_node, &IID_nsIDOMElement, (void**)&child_elem);
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nsAString_Init(&tag_str, NULL);
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nsIDOMElement_GetTagName(child_elem, &tag_str);
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nsAString_GetData(&tag_str, &ctag, NULL);
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if(!strcmpiW(ctag, tag))
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/* FIXME: remove node if there are no more attributes */
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nsIDOMElement_RemoveAttribute(child_elem, attr_str);
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nsAString_Finish(&tag_str);
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remove_child_attr(child_elem, tag, attr_str);
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nsIDOMNode_Release(child_elem);
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}
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nsIDOMNode_Release(child_node);
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}
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nsIDOMNodeList_Release(node_list);
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}
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void get_font_size(HTMLDocument *This, WCHAR *ret)
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{
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nsISelection *nsselection = get_ns_selection(This);
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nsIDOMElement *elem = NULL;
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nsIDOMNode *node = NULL, *tmp_node;
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nsAString tag_str;
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LPCWSTR tag;
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PRUint16 node_type;
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nsresult nsres;
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*ret = 0;
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if(!nsselection)
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return;
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nsISelection_GetFocusNode(nsselection, &node);
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nsISelection_Release(nsselection);
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while(node) {
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nsres = nsIDOMNode_GetNodeType(node, &node_type);
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if(NS_FAILED(nsres) || node_type == DOCUMENT_NODE)
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break;
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if(node_type == ELEMENT_NODE) {
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nsIDOMNode_QueryInterface(node, &IID_nsIDOMElement, (void**)&elem);
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nsAString_Init(&tag_str, NULL);
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nsIDOMElement_GetTagName(elem, &tag_str);
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nsAString_GetData(&tag_str, &tag, NULL);
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if(!strcmpiW(tag, wszFont)) {
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nsAString size_str, val_str;
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LPCWSTR val;
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TRACE("found font tag %p\n", elem);
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nsAString_Init(&size_str, wszSize);
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nsAString_Init(&val_str, NULL);
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nsIDOMElement_GetAttribute(elem, &size_str, &val_str);
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nsAString_GetData(&val_str, &val, NULL);
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if(*val) {
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TRACE("found size %s\n", debugstr_w(val));
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strcpyW(ret, val);
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}
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nsAString_Finish(&size_str);
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nsAString_Finish(&val_str);
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}
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nsAString_Finish(&tag_str);
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nsIDOMElement_Release(elem);
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}
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if(*ret)
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break;
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tmp_node = node;
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nsIDOMNode_GetParentNode(node, &node);
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nsIDOMNode_Release(tmp_node);
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}
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if(node)
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nsIDOMNode_Release(node);
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}
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void set_font_size(HTMLDocument *This, LPCWSTR size)
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{
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nsISelection *nsselection;
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PRBool collapsed;
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nsIDOMDocument *nsdoc;
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nsIDOMElement *elem;
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nsIDOMRange *range;
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PRInt32 range_cnt = 0;
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nsAString font_str;
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nsAString size_str;
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nsAString val_str;
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nsresult nsres;
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nsselection = get_ns_selection(This);
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if(!nsselection)
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return;
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nsres = nsIWebNavigation_GetDocument(This->nscontainer->navigation, &nsdoc);
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if(NS_FAILED(nsres))
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return;
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nsAString_Init(&font_str, wszFont);
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nsAString_Init(&size_str, wszSize);
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nsAString_Init(&val_str, size);
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nsISelection_GetRangeCount(nsselection, &range_cnt);
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if(range_cnt != 1)
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FIXME("range_cnt %d not supprted\n", range_cnt);
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nsIDOMDocument_CreateElement(nsdoc, &font_str, &elem);
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nsIDOMElement_SetAttribute(elem, &size_str, &val_str);
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nsISelection_GetRangeAt(nsselection, 0, &range);
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nsISelection_GetIsCollapsed(nsselection, &collapsed);
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nsISelection_RemoveAllRanges(nsselection);
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nsIDOMRange_SurroundContents(range, (nsIDOMNode*)elem);
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if(collapsed) {
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nsISelection_Collapse(nsselection, (nsIDOMNode*)elem, 0);
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}else {
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/* Remove all size attrbutes from the range */
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remove_child_attr(elem, wszFont, &size_str);
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nsISelection_SelectAllChildren(nsselection, (nsIDOMNode*)elem);
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}
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nsIDOMRange_Release(range);
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nsIDOMElement_Release(elem);
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nsAString_Finish(&font_str);
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nsAString_Finish(&size_str);
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nsAString_Finish(&val_str);
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nsISelection_Release(nsselection);
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nsIDOMDocument_Release(nsdoc);
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}
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static BOOL is_visible_text_node(nsIDOMNode *node)
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{
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nsIDOMCharacterData *char_data;
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nsAString data_str;
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LPCWSTR data, ptr;
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PRUint32 len;
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nsIDOMNode_QueryInterface(node, &IID_nsIDOMCharacterData, (void**)&char_data);
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nsIDOMCharacterData_GetLength(char_data, &len);
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nsAString_Init(&data_str, NULL);
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nsIDOMCharacterData_GetData(char_data, &data_str);
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nsAString_GetData(&data_str, &data, NULL);
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if(*data == '\n') {
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len--;
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for(ptr=data+1; ptr && isspaceW(*ptr); ptr++)
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len--;
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}
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nsAString_Finish(&data_str);
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nsIDOMCharacterData_Release(char_data);
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return len != 0;
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}
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static nsIDOMNode *get_child_text_node(nsIDOMNode *node, BOOL first)
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{
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nsIDOMNode *iter, *iter2;
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if(first)
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nsIDOMNode_GetFirstChild(node, &iter);
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else
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nsIDOMNode_GetLastChild(node, &iter);
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while(iter) {
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PRUint16 node_type;
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nsIDOMNode_GetNodeType(iter, &node_type);
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switch(node_type) {
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case TEXT_NODE:
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if(is_visible_text_node(iter))
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return iter;
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case ELEMENT_NODE:
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iter2 = get_child_text_node(iter, first);
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if(iter2) {
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nsIDOMNode_Release(iter);
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return iter2;
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}
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}
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if(first)
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nsIDOMNode_GetNextSibling(iter, &iter2);
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else
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nsIDOMNode_GetPreviousSibling(iter, &iter2);
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nsIDOMNode_Release(iter);
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iter = iter2;
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}
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return NULL;
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}
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static nsIDOMNode *get_next_text_node(nsIDOMNode *node, BOOL next)
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{
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nsIDOMNode *iter, *iter2 = NULL, *parent = NULL;
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PRUint16 node_type;
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iter = node;
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nsIDOMNode_AddRef(iter);
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while(1) {
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if(next)
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nsIDOMNode_GetNextSibling(iter, &iter2);
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else
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nsIDOMNode_GetPreviousSibling(iter, &iter2);
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while(!iter2) {
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nsIDOMNode_GetParentNode(iter, &parent);
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nsIDOMNode_Release(iter);
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if(!parent)
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return NULL;
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iter = parent;
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if(next)
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nsIDOMNode_GetNextSibling(iter, &iter2);
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else
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nsIDOMNode_GetPreviousSibling(iter, &iter2);
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}
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nsIDOMNode_Release(iter);
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iter = iter2;
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nsIDOMNode_GetNodeType(iter, &node_type);
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switch(node_type) {
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case TEXT_NODE:
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if(is_visible_text_node(iter))
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return iter;
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case ELEMENT_NODE:
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iter2 = get_child_text_node(iter, next);
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if(iter2) {
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nsIDOMNode_Release(iter);
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return iter2;
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}
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}
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}
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return NULL;
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}
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static void collapse_end_node(nsISelection *selection, nsIDOMNode *node)
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{
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nsIDOMCharacterData *char_data;
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PRUint32 len;
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nsIDOMNode_QueryInterface(node, &IID_nsIDOMCharacterData, (void**)&char_data);
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nsIDOMCharacterData_GetLength(char_data, &len);
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nsIDOMCharacterData_Release(char_data);
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nsISelection_Collapse(selection, node, len);
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}
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static void collapse_next_char(HTMLDocument *doc, nsIDOMKeyEvent *event, BOOL next)
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{
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nsISelection *selection = get_ns_selection(doc);
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nsIDOMNode *node;
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PRBool collapsed, b;
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PRUint16 node_type;
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nsIDOMNode *text_node;
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nsIDOMKeyEvent_GetCtrlKey(event, &b);
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if(b) return;
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nsIDOMKeyEvent_GetShiftKey(event, &b);
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if(b) return;
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nsISelection_GetIsCollapsed(selection, &collapsed);
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if(!collapsed)
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nsISelection_CollapseToEnd(selection);
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nsISelection_GetFocusNode(selection, &node);
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nsIDOMNode_GetNodeType(node, &node_type);
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if(node_type == TEXT_NODE) {
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nsIDOMCharacterData *char_data;
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PRInt32 offset;
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PRUint32 len;
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nsISelection_GetFocusOffset(selection, &offset);
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nsIDOMNode_QueryInterface(node, &IID_nsIDOMCharacterData, (void**)&char_data);
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nsIDOMCharacterData_GetLength(char_data, &len);
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nsIDOMCharacterData_Release(char_data);
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if(next ? offset != len : offset) {
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nsISelection_Collapse(selection, node, offset + (next?1:-1));
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return;
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}
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}
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text_node = get_next_text_node(node, next);
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if(text_node) {
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if(next)
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nsISelection_Collapse(selection, text_node, 1);
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else
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collapse_end_node(selection, text_node);
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nsIDOMNode_Release(text_node);
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}
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nsIDOMNode_Release(node);
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nsISelection_Release(selection);
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}
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void handle_edit_event(HTMLDocument *This, nsIDOMEvent *event)
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{
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nsIDOMKeyEvent *key_event;
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PRUint32 code;
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nsIDOMEvent_QueryInterface(event, &IID_nsIDOMKeyEvent, (void**)&key_event);
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nsIDOMKeyEvent_GetKeyCode(key_event, &code);
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switch(code) {
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case DOM_VK_LEFT:
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TRACE("left\n");
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collapse_next_char(This, key_event, FALSE);
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break;
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case DOM_VK_RIGHT:
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TRACE("right\n");
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collapse_next_char(This, key_event, TRUE);
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};
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nsIDOMKeyEvent_Release(key_event);
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}
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