зеркало из https://github.com/mozilla/gecko-dev.git
359 строки
12 KiB
C++
359 строки
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*======================================================================================
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AUTHOR: Ted Morris <tmorris@netscape.com> - 17 DEC 96
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MODIFICATIONS:
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Date Person Description
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---- ------ -----------
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======================================================================================*/
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/*====================================================================================*/
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#pragma mark INCLUDE FILES
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/*====================================================================================*/
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#include "CInlineEditField.h"
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/*====================================================================================*/
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#pragma mark TYPEDEFS
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/*====================================================================================*/
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/*====================================================================================*/
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#pragma mark CONSTANTS
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/*====================================================================================*/
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/*====================================================================================*/
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#pragma mark INTERNAL CLASS DECLARATIONS
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/*====================================================================================*/
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/*====================================================================================*/
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#pragma mark INTERNAL FUNCTION PROTOTYPES
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/*====================================================================================*/
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/*====================================================================================*/
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#pragma mark CLASS IMPLEMENTATIONS
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/*====================================================================================*/
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/*======================================================================================
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Set the descriptor and adjust the frame size to the new text.
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======================================================================================*/
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void CInlineEditField::SetDescriptor(ConstStr255Param inDescriptor) {
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Inherited::SetDescriptor(inDescriptor);
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if (mGrowableBorder)
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AdjustFrameWidthToText();
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mOriginalName = inDescriptor;
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}
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/*======================================================================================
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Update the text and edit location for this field. inEditText specifies the text to
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start editing, inImageTopLeft is the top, left corner for the edit field in the
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image coordinates of its superview, ioMouseDown specifies the mouse click location
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if the edit field is activated by a mouse click, or nil to just select all of the
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edit field text. ioMouseDown can be an exact copy of the SMouseDownEvent passed to
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ClickSelf() or ClickSelect().
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Pass inEditText == nil to hide the edit field and update the port immediately.
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======================================================================================*/
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void CInlineEditField::UpdateEdit(ConstStr255Param inEditText, const SPoint32 *inImageTopLeft,
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SMouseDownEvent *ioMouseDown) {
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Boolean wasVisible = IsVisible();
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if ( inEditText ) {
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Assert_(inImageTopLeft != nil);
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SetDescriptor(inEditText);
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Show();
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if ( wasVisible ) {
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Refresh();
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} else {
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DontRefresh();
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}
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PlaceInSuperImageAt(inImageTopLeft->h, inImageTopLeft->v, false);
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if ( wasVisible ) UpdatePort();
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if ( !ioMouseDown ) {
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FocusDraw();
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//StEmptyVisRgn emptyRgn(GetMacPort());
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::TESetSelect(0, max_Int16, mTextEditH);
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}
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Draw(nil);
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sLastPaneClicked = nil;
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(**mTextEditH).clickTime = 0; // No double clicks in new field
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if ( ioMouseDown != nil ) {
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ioMouseDown->whereLocal = ioMouseDown->wherePort;
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Click(*ioMouseDown);
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} else {
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SwitchTarget(this);
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}
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} else {
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if ( wasVisible ) {
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Hide();
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UpdatePort();
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}
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}
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}
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/*======================================================================================
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Finish creating the edit field.
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======================================================================================*/
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void CInlineEditField::FinishCreateSelf(void) {
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Inherited::FinishCreateSelf();
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Hide(); // Should be invisible to start
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// Resize the pane so that it fits the text vertically
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Int16 height = (**mTextEditH).lineHeight;
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if ( mHasBox ) height += (cEditBoxMargin<<1);
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ResizeFrameTo(mFrameSize.width, height, false);
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}
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/*======================================================================================
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Refresh the border as well.
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======================================================================================*/
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void CInlineEditField::ResizeFrameBy(Int16 inWidthDelta, Int16 inHeightDelta, Boolean inRefresh) {
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if ( !inWidthDelta && !inHeightDelta ) return;
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Inherited::ResizeFrameBy(inWidthDelta, inHeightDelta, inRefresh);
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if ( inRefresh && mGrowableBorder) {
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Rect portRect, refreshRect;
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CalcPortFrameRect(portRect);
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if ( inWidthDelta != 0 ) {
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refreshRect = portRect;
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if ( inWidthDelta > 0 ) {
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refreshRect.right -= inWidthDelta;
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refreshRect.left = refreshRect.right - cRefreshMargin;
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} else {
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refreshRect.left = refreshRect.right - cRefreshMargin;
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}
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InvalPortRect(&refreshRect);
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}
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if ( inHeightDelta != 0 ) {
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refreshRect = portRect;
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if ( inHeightDelta > 0 ) {
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refreshRect.bottom -= inWidthDelta;
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refreshRect.top = refreshRect.bottom - cRefreshMargin;
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} else {
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refreshRect.top = refreshRect.bottom - cRefreshMargin;
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}
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InvalPortRect(&refreshRect);
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}
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}
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}
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/*======================================================================================
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Handle returns, enters, tabs.
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======================================================================================*/
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Boolean CInlineEditField::HandleKeyPress(const EventRecord &inKeyEvent) {
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if ( !(inKeyEvent.modifiers & cmdKey) ) {
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Int16 theKey = inKeyEvent.message & charCodeMask;
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switch ( theKey ) {
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// when the user hits escape, set the name back to the original and fall
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// through to broadcast the "change" and hide the pane.
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case char_Escape:
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SetDescriptor(mOriginalName);
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case char_Enter:
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case char_Return: {
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PaneIDT paneID = mPaneID;
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BroadcastMessage(msg_HidingInlineEditField, &paneID);
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StopBroadcasting(); // don't broadcast, else we'll end
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// up sending another message when we hide the pane.
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UpdateEdit(nil, nil, nil); // Remove editing
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StartBroadcasting();
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return true; // keypress handled
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}
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break;
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}
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}
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return Inherited::HandleKeyPress(inKeyEvent);
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}
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/*======================================================================================
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We are losing target status.
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======================================================================================*/
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void CInlineEditField::DontBeTarget(void) {
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StValueChanger<Boolean> change(mGivingUpTarget, true);
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Inherited::DontBeTarget();
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PaneIDT paneID = mPaneID;
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BroadcastMessage(msg_HidingInlineEditField, &paneID);
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UpdateEdit(nil, nil, nil); // Remove editing
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}
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/*======================================================================================
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Set new target only if we are not giving up the target.
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======================================================================================*/
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void CInlineEditField::HideSelf(void) {
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if ( IsOnDuty() && !mGivingUpTarget ) { // Shouldn't be on duty when invisible
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SwitchTarget(GetSuperCommander());
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}
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}
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/*======================================================================================
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Take us off duty and turn on duty to off.
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======================================================================================*/
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void CInlineEditField::TakeOffDuty(void) {
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Inherited::TakeOffDuty();
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mOnDuty = triState_Off; // Taking our chain off duty means that we are hidden and
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// should no longer be in the chain of command.
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}
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/*======================================================================================
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Adjust the frame of the edit field to the width of the text.
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======================================================================================*/
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void CInlineEditField::UserChangedText(void) {
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if (mGrowableBorder)
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{
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AdjustFrameWidthToText();
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}
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PaneIDT paneID = mPaneID;
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BroadcastMessage(msg_InlineEditFieldChanged, &paneID);
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}
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/*======================================================================================
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Adjust the frame of the edit field to the bounds of the current text.
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======================================================================================*/
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void CInlineEditField::AdjustFrameWidthToText(void) {
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Int16 newWidth;
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GetSuperView()->EstablishPort();
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UTextTraits::SetPortTextTraits(mTextTraitsID);
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Str255 descriptor;
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GetDescriptor(descriptor);
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newWidth = ::StringWidth(descriptor) + 2;
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if ( mHasBox ) newWidth += (cEditBoxMargin<<1);
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ResizeFrameTo(newWidth, mFrameSize.height, true);
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if ( IsVisible() ) UpdatePort(); // Update immediately so there's no lag in display
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}
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/*
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Why we have Growable Border mode (by kellys):
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CInlineEditField is derived (indirectly) from CTSMEditField. When we have growable
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borders, CInlineEditField assumes it can change the border whenever the user types.
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However, when the user is using a multi-byte script like Japanese, CTSMEditField
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"takes over" event handling. As a result, the border doesn't resize while they're
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typing (Bug #81734).
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The proper thing to do is to change the event handling assumptions. However, due to lack
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of time, I have made a "kludge" that avoids the problem. Under multi-byte systems,
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we make the border a fixed size. Under roman systems, we make it variable.
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*/
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/*======================================================================================
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Set whether or not we use a growable frame
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======================================================================================*/
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void CInlineEditField::SetGrowableBorder(Boolean inGrowable) {
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if (inGrowable != mGrowableBorder) {
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mGrowableBorder = inGrowable;
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// ResizeFrameTo(mFrameSize.width, mFrameSize.height, true);
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UserChangedText();
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}
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}
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/*======================================================================================
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Get whether or not we use a growable frame
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======================================================================================*/
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Boolean CInlineEditField::GetGrowableBorder() {
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return mGrowableBorder;
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}
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