wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity
9ad105369b
gecko/accessible/src/atk/nsMaiInterfaceText.cpp

487 lines
16 KiB
C++
Raw Blame History

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Sun Microsystems, Inc.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bolian Yin (bolian.yin@sun.com)
* Ginn Chen (ginn.chen@sun.com)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsMaiInterfaceText.h"
#include "nsString.h"
AtkAttributeSet * GetAttributeSet(nsIAccessible* aAccessible);
void
textInterfaceInitCB(AtkTextIface *aIface)
{
NS_ASSERTION(aIface, "Invalid aIface");
if (!aIface)
return;
aIface->get_text = getTextCB;
aIface->get_text_after_offset = getTextAfterOffsetCB;
aIface->get_text_at_offset = getTextAtOffsetCB;
aIface->get_character_at_offset = getCharacterAtOffsetCB;
aIface->get_text_before_offset = getTextBeforeOffsetCB;
aIface->get_caret_offset = getCaretOffsetCB;
aIface->get_run_attributes = getRunAttributesCB;
aIface->get_default_attributes = getDefaultAttributesCB;
aIface->get_character_extents = getCharacterExtentsCB;
aIface->get_range_extents = getRangeExtentsCB;
aIface->get_character_count = getCharacterCountCB;
aIface->get_offset_at_point = getOffsetAtPointCB;
aIface->get_n_selections = getTextSelectionCountCB;
aIface->get_selection = getTextSelectionCB;
// set methods
aIface->add_selection = addTextSelectionCB;
aIface->remove_selection = removeTextSelectionCB;
aIface->set_selection = setTextSelectionCB;
aIface->set_caret_offset = setCaretOffsetCB;
}
void ConvertTexttoAsterisks(nsAccessibleWrap* accWrap, nsAString& aString)
{
// convert each char to "*" when it's "password text"
PRUint32 accRole;
accWrap->GetRole(&accRole);
if (NS_STATIC_CAST(AtkRole, accRole) == ATK_ROLE_PASSWORD_TEXT) {
for (PRUint32 i = 0; i < aString.Length(); i++)
aString.Replace(i, 1, NS_LITERAL_STRING("*"));
}
}
gchar *
getTextCB(AtkText *aText, gint aStartOffset, gint aEndOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, nsnull);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, nsnull);
nsAutoString autoStr;
nsresult rv = accText->GetText(aStartOffset, aEndOffset, autoStr);
NS_ENSURE_SUCCESS(rv, nsnull);
ConvertTexttoAsterisks(accWrap, autoStr);
NS_ConvertUTF16toUTF8 cautoStr(autoStr);
//copy and return, libspi will free it.
return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nsnull;
}
gchar *
getTextAfterOffsetCB(AtkText *aText, gint aOffset,
AtkTextBoundary aBoundaryType,
gint *aStartOffset, gint *aEndOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, nsnull);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, nsnull);
nsAutoString autoStr;
PRInt32 startOffset = 0, endOffset = 0;
nsresult rv =
accText->GetTextAfterOffset(aOffset, aBoundaryType,
&startOffset, &endOffset, autoStr);
*aStartOffset = startOffset;
*aEndOffset = endOffset;
NS_ENSURE_SUCCESS(rv, nsnull);
ConvertTexttoAsterisks(accWrap, autoStr);
NS_ConvertUTF16toUTF8 cautoStr(autoStr);
return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nsnull;
}
gchar *
getTextAtOffsetCB(AtkText *aText, gint aOffset,
AtkTextBoundary aBoundaryType,
gint *aStartOffset, gint *aEndOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, nsnull);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, nsnull);
nsAutoString autoStr;
PRInt32 startOffset = 0, endOffset = 0;
nsresult rv =
accText->GetTextAtOffset(aOffset, aBoundaryType,
&startOffset, &endOffset, autoStr);
*aStartOffset = startOffset;
*aEndOffset = endOffset;
NS_ENSURE_SUCCESS(rv, nsnull);
ConvertTexttoAsterisks(accWrap, autoStr);
NS_ConvertUTF16toUTF8 cautoStr(autoStr);
return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nsnull;
}
gunichar
getCharacterAtOffsetCB(AtkText *aText, gint aOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, 0);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, 0);
/* PRUnichar is unsigned short in Mozilla */
/* gnuichar is guint32 in glib */
PRUnichar uniChar;
nsresult rv =
accText->GetCharacterAtOffset(aOffset, &uniChar);
// convert char to "*" when it's "password text"
PRUint32 accRole;
accWrap->GetRole(&accRole);
if (NS_STATIC_CAST(AtkRole, accRole) == ATK_ROLE_PASSWORD_TEXT) {
uniChar = '*';
}
return (NS_FAILED(rv)) ? 0 : NS_STATIC_CAST(gunichar, uniChar);
}
gchar *
getTextBeforeOffsetCB(AtkText *aText, gint aOffset,
AtkTextBoundary aBoundaryType,
gint *aStartOffset, gint *aEndOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, nsnull);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, nsnull);
nsAutoString autoStr;
PRInt32 startOffset = 0, endOffset = 0;
nsresult rv =
accText->GetTextBeforeOffset(aOffset, aBoundaryType,
&startOffset, &endOffset, autoStr);
*aStartOffset = startOffset;
*aEndOffset = endOffset;
NS_ENSURE_SUCCESS(rv, nsnull);
ConvertTexttoAsterisks(accWrap, autoStr);
NS_ConvertUTF16toUTF8 cautoStr(autoStr);
return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nsnull;
}
gint
getCaretOffsetCB(AtkText *aText)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, 0);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, 0);
PRInt32 offset;
nsresult rv = accText->GetCaretOffset(&offset);
return (NS_FAILED(rv)) ? 0 : NS_STATIC_CAST(gint, offset);
}
AtkAttributeSet *
getRunAttributesCB(AtkText *aText, gint aOffset,
gint *aStartOffset,
gint *aEndOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, nsnull);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, nsnull);
nsCOMPtr<nsIAccessible> accessibleWithAttrs;
PRInt32 startOffset = 0, endOffset = 0;
nsresult rv = accText->GetAttributeRange(aOffset,
&startOffset, &endOffset,
getter_AddRefs(accessibleWithAttrs));
*aStartOffset = startOffset;
*aEndOffset = endOffset;
NS_ENSURE_SUCCESS(rv, nsnull);
return GetAttributeSet(accessibleWithAttrs);
}
AtkAttributeSet *
getDefaultAttributesCB(AtkText *aText)
{
/* not supported ??? */
return nsnull;
}
void
getCharacterExtentsCB(AtkText *aText, gint aOffset,
gint *aX, gint *aY,
gint *aWidth, gint *aHeight,
AtkCoordType aCoords)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
if(!accWrap || !aX || !aY || !aWidth || !aHeight)
return;
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
if (!accText)
return;
PRInt32 extY = 0, extX = 0;
PRInt32 extWidth = 0, extHeight = 0;
PRUint32 geckoCoordType;
if (aCoords == ATK_XY_SCREEN)
geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
else
geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE;
nsresult rv = accText->GetCharacterExtents(aOffset, &extX, &extY,
&extWidth, &extHeight,
geckoCoordType);
*aX = extX;
*aY = extY;
*aWidth = extWidth;
*aHeight = extHeight;
NS_ASSERTION(NS_SUCCEEDED(rv),
"MaiInterfaceText::GetCharacterExtents, failed\n");
}
void
getRangeExtentsCB(AtkText *aText, gint aStartOffset, gint aEndOffset,
AtkCoordType aCoords, AtkTextRectangle *aRect)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
if(!accWrap || !aRect)
return;
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
if (!accText)
return;
PRInt32 extY = 0, extX = 0;
PRInt32 extWidth = 0, extHeight = 0;
PRUint32 geckoCoordType;
if (aCoords == ATK_XY_SCREEN)
geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
else
geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE;
nsresult rv = accText->GetRangeExtents(aStartOffset, aEndOffset,
&extX, &extY,
&extWidth, &extHeight,
geckoCoordType);
aRect->x = extX;
aRect->y = extY;
aRect->width = extWidth;
aRect->height = extHeight;
NS_ASSERTION(NS_SUCCEEDED(rv),
"MaiInterfaceText::GetRangeExtents, failed\n");
}
gint
getCharacterCountCB(AtkText *aText)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, 0);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, 0);
PRInt32 count = 0;
nsresult rv = accText->GetCharacterCount(&count);
return (NS_FAILED(rv)) ? 0 : NS_STATIC_CAST(gint, count);
}
gint
getOffsetAtPointCB(AtkText *aText,
gint aX, gint aY,
AtkCoordType aCoords)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, -1);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, -1);
PRInt32 offset = 0;
PRUint32 geckoCoordType;
if (aCoords == ATK_XY_SCREEN)
geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
else
geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE;
accText->GetOffsetAtPoint(aX, aY, geckoCoordType, &offset);
return NS_STATIC_CAST(gint, offset);
}
gint
getTextSelectionCountCB(AtkText *aText)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, nsnull);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
PRInt32 selectionCount;
nsresult rv = accText->GetSelectionCount(&selectionCount);
return NS_FAILED(rv) ? 0 : selectionCount;
}
gchar *
getTextSelectionCB(AtkText *aText, gint aSelectionNum,
gint *aStartOffset, gint *aEndOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, nsnull);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, nsnull);
PRInt32 startOffset = 0, endOffset = 0;
nsresult rv = accText->GetSelectionBounds(aSelectionNum,
&startOffset, &endOffset);
*aStartOffset = startOffset;
*aEndOffset = endOffset;
NS_ENSURE_SUCCESS(rv, nsnull);
return getTextCB(aText, *aStartOffset, *aEndOffset);
}
// set methods
gboolean
addTextSelectionCB(AtkText *aText,
gint aStartOffset,
gint aEndOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, FALSE);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, FALSE);
nsresult rv = accText->AddSelection(aStartOffset, aEndOffset);
return NS_SUCCEEDED(rv) ? TRUE : FALSE;
}
gboolean
removeTextSelectionCB(AtkText *aText,
gint aSelectionNum)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, FALSE);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, FALSE);
nsresult rv = accText->RemoveSelection(aSelectionNum);
return NS_SUCCEEDED(rv) ? TRUE : FALSE;
}
gboolean
setTextSelectionCB(AtkText *aText, gint aSelectionNum,
gint aStartOffset, gint aEndOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, FALSE);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, FALSE);
nsresult rv = accText->SetSelectionBounds(aSelectionNum,
aStartOffset, aEndOffset);
return NS_SUCCEEDED(rv) ? TRUE : FALSE;
}
gboolean
setCaretOffsetCB(AtkText *aText, gint aOffset)
{
nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
NS_ENSURE_TRUE(accWrap, FALSE);
nsCOMPtr<nsIAccessibleText> accText;
accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
getter_AddRefs(accText));
NS_ENSURE_TRUE(accText, FALSE);
nsresult rv = accText->SetCaretOffset(aOffset);
return NS_SUCCEEDED(rv) ? TRUE : FALSE;
}
Reference in New Issue View Git Blame Copy Permalink