gecko-dev/cmd/qtfe/FindDialog.cpp

254 строки
7.8 KiB
C++
Исходник Обычный вид История

1998-09-25 22:04:00 +04:00
/* $Id: FindDialog.cpp,v 1.1 1998/09/25 18:01:25 ramiro%netscape.com Exp $
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Kalle
* Dalheimer. Further developed by Warwick Allison, Kalle Dalheimer,
* Eirik Eng, Matthias Ettrich, Arnt Gulbrandsen, Haavard Nord and
* Paul Olav Tvete. Copyright (C) 1998 Warwick Allison, Kalle
* Dalheimer, Eirik Eng, Matthias Ettrich, Arnt Gulbrandsen, Haavard
* Nord and Paul Olav Tvete. All Rights Reserved.
*/
#include <client.h>
#include <intl_csi.h>
#include <xpgetstr.h>
#include "FindDialog.h"
#include "QtContext.h"
#include "finding.h"
#include <qlayout.h>
#include <qpushbt.h>
#include <qchkbox.h>
#include <qframe.h>
#include <qlabel.h>
#include <qlined.h>
#include <qtbuttonrow.h>
#include <qmainwindow.h>
unsigned char *
fe_ConvertFromLocaleEncoding(int16 charset, unsigned char *str); // from locale.cpp
FindDialog::FindDialog( QtContext* cx, QWidget* parent,
const char* name ) :
QDialog( parent, name, false ),
context( cx )
{
QVBoxLayout* vlayout = new QVBoxLayout( this );
QHBoxLayout* editlayout = new QHBoxLayout();
vlayout->addLayout( editlayout );
QLabel* label = new QLabel( tr( "Find:" ), this );
label->setFixedSize( label->sizeHint() );
editlayout->addWidget( label );
edit = new QLineEdit( this );
edit->setFixedHeight( edit->sizeHint().height() );
edit->setFocus();
editlayout->addWidget( edit, 1 );
QHBoxLayout* cblayout = new QHBoxLayout();
vlayout->addLayout( cblayout );
sensitiveCB = new QCheckBox( tr( "Case Sensitive" ), this );
sensitiveCB->setFixedSize( sensitiveCB->sizeHint() );
cblayout->addWidget( sensitiveCB );
backwardsCB = new QCheckBox( tr( "Find Backwards" ), this );
backwardsCB->setFixedSize( backwardsCB->sizeHint() );
cblayout->addWidget( backwardsCB );
QFrame* line = new QFrame( this, "line", 0, true );
line->setFrameStyle( QFrame::HLine | QFrame::Sunken );
line->setFixedHeight( 12 ); // Arnt said so...
vlayout->addWidget( line );
QtButtonRow* buttonrow = new QtButtonRow( this );
QPushButton* findPB = new QPushButton( tr( "Find" ), buttonrow );
connect( findPB, SIGNAL( clicked() ),
this, SLOT( find() ) );
findPB->setDefault( true );
QPushButton* clearPB = new QPushButton( tr( "Clear" ), buttonrow );
connect( clearPB, SIGNAL( clicked() ),
this, SLOT( clear() ) );
QPushButton* closePB = new QPushButton( tr( "Close" ), buttonrow );
connect( closePB, SIGNAL( clicked() ),
this, SLOT( hide() ) );
vlayout->addWidget( buttonrow );
vlayout->activate();
resize( 1, 1 );
}
void FindDialog::refresh()
{
fe_FindData *find_data = &context->find_data;
find_data->context_to_find = context->mwContext();
char * tmp;
find_data->string = edit->text();
INTL_CharSetInfo c;
c = LO_GetDocumentCharacterSetInfo( context->mwContext() );
tmp = (char *) fe_ConvertFromLocaleEncoding( INTL_GetCSIWinCSID(c),
(unsigned char*)find_data->string.data() );
if( tmp ) {
find_data->string = tmp;
} else {
find_data->string = "";
}
find_data->case_sensitive_p = sensitiveCB->isChecked();
find_data->backward_p = backwardsCB->isChecked();
/* For mail/news contexts, the Search in Header/Body is loaded into the
fe_FindData in the valueChangeCallback */
}
void FindDialog::find()
{
fe_FindData* find_data = &context->find_data;
MWContext *context_to_find;
QWidget* mainw;
bool hasRetried = false;
CL_Layer *layer;
XP_ASSERT(find_data);
mainw = context->topLevelWidget();
/* reload search parameters */
refresh();
// Use the associated context unless there is one defined.
context_to_find = context->mwContext();
if( find_data->context_to_find )
context_to_find = find_data->context_to_find;
if( find_data->string.isEmpty() ) {
FE_Alert( context->mwContext(), tr( "Nothing to search for." ) );
return;
}
if( find_data->find_in_headers ) {
XP_ASSERT( find_data->context->type == MWContextMail ||
find_data->context->type == MWContextNews );
if ( find_data->context->type == MWContextMail ||
find_data->context->type == MWContextNews ) {
int status = -1; /* ###tw Find needs to be hooked up in a brand
new way now### */
/*###tw int status = MSG_DoFind(fj->context, fj->string, fj->case_sensitive_p); */
if (status < 0) {
/* mainw could be the find_data->shell. If status < 0 (find failed)
* backend will bring the find window down. So use the context to
* display the error message here.
*/
FE_Alert( find_data->context, XP_GetString( status ) );
return;
}
return;
}
}
/* but I think you will want this in non-Gold too! */
/* And with QtMozilla, you get it ... */
/*
* Start the search from the current selection location. Bug #29854.
*/
LO_GetSelectionEndpoints( context_to_find,
&find_data->start_element,
&find_data->end_element,
&find_data->start_pos,
&find_data->end_pos,
&layer );
AGAIN:
if( LO_FindText( context_to_find, find_data->string.data(),
&find_data->start_element, &find_data->start_pos,
&find_data->end_element, &find_data->end_pos,
find_data->case_sensitive_p, !find_data->backward_p ) )
{
int32 x, y;
LO_SelectText ( context_to_find,
find_data->start_element, find_data->start_pos,
find_data->end_element, find_data->end_pos,
&x, &y);
/* If the found item is not visible on the screen, scroll to it.
If we need to scroll, attempt to position the destination
coordinate in the middle of the window.
*/
if (x >= CONTEXT_DATA (context_to_find)->documentXOffset() &&
x <= (CONTEXT_DATA (context_to_find)->documentXOffset() +
CONTEXT_DATA (context_to_find)->scrollWidth()))
x = CONTEXT_DATA (context_to_find)->documentXOffset();
else
x = x - (CONTEXT_DATA (context_to_find)->scrollWidth() / 2);
if (y >= CONTEXT_DATA (context_to_find)->documentYOffset() &&
y <= (CONTEXT_DATA (context_to_find)->documentYOffset() +
CONTEXT_DATA (context_to_find)->scrollHeight()))
y = CONTEXT_DATA (context_to_find)->documentYOffset();
else
y = y - (CONTEXT_DATA (context_to_find)->scrollHeight() / 2);
if (x + CONTEXT_DATA (context_to_find)->scrollWidth()
> CONTEXT_DATA (context_to_find)->documentWidth())
x = (CONTEXT_DATA (context_to_find)->documentWidth() -
CONTEXT_DATA (context_to_find)->scrollWidth());
if (y + CONTEXT_DATA (context_to_find)->scrollHeight()
> CONTEXT_DATA (context_to_find)->documentHeight())
y = (CONTEXT_DATA (context_to_find)->documentHeight() -
CONTEXT_DATA (context_to_find)->scrollHeight());
if (x < 0) x = 0;
if (y < 0) y = 0;
if( context->topLevelWidget() )
context->documentSetContentsPos( x, y );
} else {
if (hasRetried) {
FE_Alert( context->mwContext(), tr( "Search string not found." ) );
return;
} else {
if( FE_Confirm( context->mwContext(),
( find_data->backward_p
? tr( "Beginning of document reached; continue from end?" )
: tr( "End of document reached; continue from beginning?" ) ) ) ) {
find_data->start_element = 0;
find_data->start_pos = 0;
hasRetried = true;
goto AGAIN;
}
else
return;
}
}
return;
}
void FindDialog::clear()
{
edit->setText( "" );
}