fivedev/harbour-core
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

2009-04-12 11:21 UTC-0800 Pritpal Bedi (pritpal@vouchcac.com)

Browse Source 
* harbour/contrib/gtqtc/gtqtc.cpp
  * harbour/contrib/gtqtc/gtqtc.h
  * harbour/contrib/gtqtc/Makefile
    ! Few more optimizations.

  - harbour/contrib/gtqtc/qtconsolearea.cpp
  - harbour/contrib/gtqtc/qtmainwindow.cpp
    - Removed. Needed to have better control over the operations.
This commit is contained in:
Pritpal Bedi
2009-04-12 18:25:08 +00:00
parent 0b5133ec69
commit 8384af97de
6 changed files with 443 additions and 530 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
harbour/ChangeLog
View File

@@ -8,6 +8,16 @@
2009-12-31 13:59 UTC+0100 Foo Bar (foo.bar foobar.org)
*/
2009-04-12 11:21 UTC-0800 Pritpal Bedi (pritpal@vouchcac.com)
* harbour/contrib/gtqtc/gtqtc.cpp
* harbour/contrib/gtqtc/gtqtc.h
* harbour/contrib/gtqtc/Makefile
! Few more optimizations.
- harbour/contrib/gtqtc/qtconsolearea.cpp
- harbour/contrib/gtqtc/qtmainwindow.cpp
- Removed. Needed to have better control over the operations.
2009-04-12 08:57 UTC-0800 Pritpal Bedi (pritpal@vouchcac.com)
* harbour/contrib/gtqtc/gtqtc.cpp
* harbour/contrib/gtqtc/qtconsolearea.cpp

2
harbour/contrib/gtqtc/Makefile
View File

@@ -56,8 +56,6 @@ HB_USER_CFLAGS += $(foreach d, $(HB_INC_QT_OK), -I$(d))
CPP_SOURCES=\
gtqtc.cpp \
moc_gtqtc.cpp \
qtconsolearea.cpp \
qtmainwindow.cpp \
C_HEADERS=\

427
harbour/contrib/gtqtc/gtqtc.cpp
View File

@@ -2562,3 +2562,430 @@ HB_CALL_ON_STARTUP_END( _hb_startup_gt_Init_ )
/* ********************************************************************** */
ConsoleArea::ConsoleArea(QWidget *parent)
: QWidget(parent)
{
setAttribute(Qt::WA_StaticContents);
modified = false;
scribbling = false;
myPenWidth = 1;
myPenColor = Qt::blue;
COLORS[ 0] = BLACK;
COLORS[ 1] = BLUE;
COLORS[ 2] = GREEN;
COLORS[ 3] = CYAN;
COLORS[ 4] = RED;
COLORS[ 5] = MAGENTA;
COLORS[ 6] = BROWN;
COLORS[ 7] = WHITE;
COLORS[ 8] = LIGHT_GRAY;
COLORS[ 9] = BRIGHT_BLUE;
COLORS[10] = BRIGHT_GREEN;
COLORS[11] = BRIGHT_CYAN;
COLORS[12] = BRIGHT_RED;
COLORS[13] = BRIGHT_MAGENTA;
COLORS[14] = YELLOW;
COLORS[15] = BRIGHT_WHITE;
setFocusPolicy(Qt::StrongFocus);
// grabKeyboard();
}
void ConsoleArea::sizeByFont(void)
{
QPainter painter( this );
qFont = QFont( tr("Courier New"), 12, -1, FALSE );
qFont = QFont( qFont, painter.device() );
QFontMetrics fontMetrics( qFont );
fontHeight = fontMetrics.height();
fontWidth = fontMetrics.averageCharWidth();
resize( fontWidth*80, fontHeight*25 );
}
bool ConsoleArea::openImage(const QString &fileName)
{
QImage loadedImage;
if (!loadedImage.load(fileName))
return false;
QSize newSize = loadedImage.size().expandedTo(size());
resizeImage(&loadedImage, newSize);
image = loadedImage;
modified = false;
update();
return true;
}
bool ConsoleArea::saveImage(const QString &fileName, const char *fileFormat)
{
QImage visibleImage = image;
resizeImage(&visibleImage, size());
if (visibleImage.save(fileName, fileFormat)) {
modified = false;
return true;
} else {
return false;
}
}
void ConsoleArea::setPenColor(const QColor &newColor)
{
myPenColor = newColor;
}
void ConsoleArea::setPenWidth(int newWidth)
{
myPenWidth = newWidth;
}
void ConsoleArea::clearImage()
{
image.fill(qRgb(255, 255, 255));
modified = true;
update();
}
void ConsoleArea::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
lastPoint = event->pos();
scribbling = true;
}
}
void ConsoleArea::keyPressEvent(QKeyEvent *event)
{
OutputDebugString( "Key Pressed" );
}
void ConsoleArea::keyReleaseEvent(QKeyEvent *event)
{
OutputDebugString( "Key Released" );
}
void ConsoleArea::mouseMoveEvent(QMouseEvent *event)
{
if ((event->buttons() & Qt::LeftButton) && scribbling)
drawLineTo(event->pos());
}
void ConsoleArea::mouseReleaseEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton && scribbling) {
drawLineTo(event->pos());
scribbling = false;
}
}
void ConsoleArea::paintEvent(QPaintEvent * event)
{
OutputDebugString( " entry" );
QPainter painter(this);
QRect rect = event->rect();
//painter.drawImage(QPoint(0, 0), image);
{
int hgt = height();
int fntHeight = (hgt/25);
fntHeight = 14;
QFont font( tr( "Courier New" ), fntHeight, 10, FALSE );
font = QFont(font, painter.device());
QFontMetrics fontMetrics( font );
int height = fontMetrics.height();
painter.setFont(font);
painter.setBackgroundMode(Qt::OpaqueMode);
{
int iRow,iCol,startCol,len ;
int iTop;
USHORT usChar;
BYTE bColor, bAttr, bOldColor = 0;
char text[ 4000 ];
iTop = 0;
for( iRow = 0; iRow <= 24; iRow++ )
{
iCol = startCol = 0;
len = 0;
iTop = ( iRow * height ) + height;
while( iCol <= 79 )
{
if( !HB_GTSELF_GETSCRCHAR( pGT, iRow, iCol, &bColor, &bAttr, &usChar ) )
break;
if( len == 0 )
{
bOldColor = bColor;
}
else if( bColor != bOldColor )
{
QPen pen( COLORS[ bOldColor & 0x0F ] );
painter.setPen( pen );
QBrush brush( COLORS[ bOldColor >> 4 ] );
painter.setBackground( brush );
OutputDebugString( "KKKK len=%i bOldColor=%i bColor=%i" );
painter.drawText( QPointF( startCol,iTop ), QString( text ) );
bOldColor = bColor;
startCol = iCol;
len = 0;
}
text[ len++ ] = ( char ) usChar;
iCol++;
}
if( len > 0 )
{
QPen pen( COLORS[ bOldColor & 0x0F ] );
painter.setPen( pen );
QBrush brush( COLORS[ bOldColor >> 4 ] );
painter.setBackground( brush );
//OutputDebugString( "mmmmmm len=%i bOldColor=%i bColor=%i" );
painter.drawText(QPointF(startCol,iTop),QString(text));
}
}
}
}
OutputDebugString( " exit" );
}
void ConsoleArea::resizeEvent(QResizeEvent *event)
{
if (width() > image.width() || height() > image.height()) {
int newWidth = qMax(width() + 128, image.width());
int newHeight = qMax(height() + 128, image.height());
resizeImage(&image, QSize(newWidth, newHeight));
update();
}
QWidget::resizeEvent(event);
}
void ConsoleArea::drawLineTo(const QPoint &endPoint)
{
QPainter painter(&image);
painter.setPen(QPen(myPenColor, myPenWidth, Qt::SolidLine, Qt::RoundCap,
Qt::RoundJoin));
painter.drawLine(lastPoint, endPoint);
modified = true;
int rad = (myPenWidth / 2) + 2;
update(QRect(lastPoint, endPoint).normalized().adjusted(-rad, -rad, +rad, +rad));
lastPoint = endPoint;
}
void ConsoleArea::resizeImage(QImage *image, const QSize &newSize)
{
if (image->size() == newSize)
return;
QImage newImage(newSize, QImage::Format_RGB32);
newImage.fill(qRgb(255, 255, 255));
QPainter painter(&newImage);
painter.drawImage(QPoint(0, 0), *image);
*image = newImage;
}
void ConsoleArea::print()
{
#ifndef QT_NO_PRINTER
QPrinter printer(QPrinter::HighResolution);
QPrintDialog *printDialog = new QPrintDialog(&printer, this);
if (printDialog->exec() == QDialog::Accepted) {
QPainter painter(&printer);
QRect rect = painter.viewport();
QSize size = image.size();
size.scale(rect.size(), Qt::KeepAspectRatio);
painter.setViewport(rect.x(), rect.y(), size.width(), size.height());
painter.setWindow(image.rect());
painter.drawImage(0, 0, image);
}
#endif // QT_NO_PRINTER
}
/*----------------------------------------------------------------------*/
/*
*
*
/*----------------------------------------------------------------------*/
MainWindow::MainWindow()
{
consoleArea = new ConsoleArea;
setCentralWidget(consoleArea);
createActions();
// createMenus();
}
void MainWindow::closeEvent(QCloseEvent *event)
{
event->accept();
hbqt_exit( pGT );
#if 0
if (maybeSave()) {
event->accept();
} else {
event->ignore();
}
#endif
}
void MainWindow::open()
{
if (maybeSave()) {
QString fileName = QFileDialog::getOpenFileName(this,
tr("Open File"), QDir::currentPath());
if (!fileName.isEmpty())
consoleArea->openImage(fileName);
}
}
void MainWindow::save()
{
QAction *action = qobject_cast<QAction *>(sender());
QByteArray fileFormat = action->data().toByteArray();
saveFile(fileFormat);
}
void MainWindow::penColor()
{
QColor newColor = QColorDialog::getColor(consoleArea->penColor());
if (newColor.isValid())
consoleArea->setPenColor(newColor);
}
void MainWindow::penWidth()
{
bool ok;
int newWidth = QInputDialog::getInteger(this, tr("Scribble"),
tr("Select pen width:"),
consoleArea->penWidth(),
1, 50, 1, &ok);
if (ok)
consoleArea->setPenWidth(newWidth);
}
void MainWindow::about()
{
QMessageBox::about(this, tr("About Scribble"),
tr("<p>The <b>Console</b> example shows how to use QMainWindow as the "
"base widget for an application, and how to reimplement some of "
"QWidget's event handlers to receive the events generated for "
"the application's widgets:</p><p> We reimplement the mouse event "
"handlers to facilitate drawing, the paint event handler to "
"update the application and the resize event handler to optimize "
"the application's appearance. In addition we reimplement the "
"close event handler to intercept the close events before "
"terminating the application.</p><p> The example also demonstrates "
"how to use QPainter to draw an image in real time, as well as "
"to repaint widgets.</p>"));
}
void MainWindow::createActions()
{
openAct = new QAction(tr("&Open..."), this);
openAct->setShortcut(tr("Ctrl+O"));
connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
foreach (QByteArray format, QImageWriter::supportedImageFormats())
{
QString text = tr("%1...").arg(QString(format).toUpper());
QAction *action = new QAction(text, this);
action->setData(format);
connect(action, SIGNAL(triggered()), this, SLOT(save()));
saveAsActs.append(action);
}
printAct = new QAction(tr("&Print..."), this);
connect(printAct, SIGNAL(triggered()), consoleArea, SLOT(print()));
exitAct = new QAction(tr("E&xit"), this);
exitAct->setShortcut(tr("Ctrl+Q"));
connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
penColorAct = new QAction(tr("&Pen Color..."), this);
connect(penColorAct, SIGNAL(triggered()), this, SLOT(penColor()));
penWidthAct = new QAction(tr("Pen &Width..."), this);
connect(penWidthAct, SIGNAL(triggered()), this, SLOT(penWidth()));
clearScreenAct = new QAction(tr("&Clear Screen"), this);
clearScreenAct->setShortcut(tr("Ctrl+L"));
connect(clearScreenAct, SIGNAL(triggered()),
consoleArea, SLOT(clearImage()));
aboutAct = new QAction(tr("&About"), this);
connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
aboutQtAct = new QAction(tr("About &Qt"), this);
connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
}
void MainWindow::createMenus()
{
saveAsMenu = new QMenu(tr("&Save As"), this);
foreach (QAction *action, saveAsActs)
saveAsMenu->addAction(action);
fileMenu = new QMenu(tr("&File"), this);
fileMenu->addAction(openAct);
fileMenu->addMenu(saveAsMenu);
fileMenu->addAction(printAct);
fileMenu->addSeparator();
fileMenu->addAction(exitAct);
optionMenu = new QMenu(tr("&Options"), this);
optionMenu->addAction(penColorAct);
optionMenu->addAction(penWidthAct);
optionMenu->addSeparator();
optionMenu->addAction(clearScreenAct);
helpMenu = new QMenu(tr("&Help"), this);
helpMenu->addAction(aboutAct);
helpMenu->addAction(aboutQtAct);
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(optionMenu);
menuBar()->addMenu(helpMenu);
}
bool MainWindow::maybeSave()
{
if (consoleArea->isModified()) {
QMessageBox::StandardButton ret;
ret = QMessageBox::warning(this, tr("Scribble"),
tr("The image has been modified.\n"
"Do you want to save your changes?"),
QMessageBox::Save | QMessageBox::Discard
| QMessageBox::Cancel);
if (ret == QMessageBox::Save) {
return saveFile("png");
} else if (ret == QMessageBox::Cancel) {
return false;
}
}
return true;
}
bool MainWindow::saveFile(const QByteArray &fileFormat)
{
QString initialPath = QDir::currentPath() + "/untitled." + fileFormat;
QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"),
initialPath,
tr("%1 Files (*.%2);;All Files (*)")
.arg(QString(fileFormat.toUpper()))
.arg(QString(fileFormat)));
if (fileName.isEmpty()) {
return false;
} else {
return consoleArea->saveImage(fileName, fileFormat);
}
}
/*----------------------------------------------------------------------*/

10
harbour/contrib/gtqtc/gtqtc.h
View File

@@ -56,6 +56,7 @@
#define HB_GT_NAME QTC
#include <Qt/qglobal.h>
#include <QtGui/QtGui>
#include <QtCore/QObject>
#include <QtCore/QList>
#include <QtGui/QApplication>
@@ -66,6 +67,8 @@
#include <QtGui/QPainter>
#include <QtGui/QPaintDevice>
#include <QtGui/QColor>
#include <QtGui/QKeyEvent>
#include <QtGui/QMouseEvent>
#include "hbset.h"
#include "hbgtcore.h"
@@ -183,7 +186,7 @@ class ConsoleArea : public QWidget
public:
ConsoleArea(QWidget *parent = 0);
PHB_GT pGT;
PHB_GT pGT;
bool openImage(const QString &fileName);
bool saveImage(const QString &fileName, const char *fileFormat);
@@ -194,9 +197,7 @@ public:
QColor penColor() const { return myPenColor; }
int penWidth() const { return myPenWidth; }
//Qt::GlobalColor COLORS[ 16 ];
QRgb COLORS[ 16 ];
//QColor COLORS[ 16 ];
void sizeByFont(void);
public slots:
@@ -204,6 +205,8 @@ public slots:
void print();
protected:
void keyPressEvent(QKeyEvent *event);
void keyReleaseEvent(QKeyEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
@@ -238,7 +241,6 @@ public:
ConsoleArea *consoleArea;
PHB_GT pGT;
void someFunc(void);
protected:
void closeEvent(QCloseEvent *event);

288
harbour/contrib/gtqtc/qtconsolearea.cpp
View File

@@ -1,288 +0,0 @@
/*
* $Id$
*/
/*
* Harbour Project source code:
*
* Copyright 2009 Pritpal Bedi <pritpal@vouchcac.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
/*----------------------------------------------------------------------*/
#include <QtGui/QtGui>
#include <QtGui/QColor>
#include "gtqtc.h"
#include "hbapigt.h"
class MainWindow;
ConsoleArea::ConsoleArea(QWidget *parent)
: QWidget(parent)
{
setAttribute(Qt::WA_StaticContents);
modified = false;
scribbling = false;
myPenWidth = 1;
myPenColor = Qt::blue;
COLORS[ 0] = BLACK;
COLORS[ 1] = BLUE;
COLORS[ 2] = GREEN;
COLORS[ 3] = CYAN;
COLORS[ 4] = RED;
COLORS[ 5] = MAGENTA;
COLORS[ 6] = BROWN;
COLORS[ 7] = WHITE;
COLORS[ 8] = LIGHT_GRAY;
COLORS[ 9] = BRIGHT_BLUE;
COLORS[10] = BRIGHT_GREEN;
COLORS[11] = BRIGHT_CYAN;
COLORS[12] = BRIGHT_RED;
COLORS[13] = BRIGHT_MAGENTA;
COLORS[14] = YELLOW;
COLORS[15] = BRIGHT_WHITE;
}
void ConsoleArea::sizeByFont(void)
{
QPainter painter( this );
qFont = QFont( tr("Courier New"), 12, -1, FALSE );
qFont = QFont( qFont, painter.device() );
QFontMetrics fontMetrics( qFont );
fontHeight = fontMetrics.height();
fontWidth = fontMetrics.averageCharWidth();
resize( fontWidth*80, fontHeight*25 );
}
bool ConsoleArea::openImage(const QString &fileName)
{
QImage loadedImage;
if (!loadedImage.load(fileName))
return false;
QSize newSize = loadedImage.size().expandedTo(size());
resizeImage(&loadedImage, newSize);
image = loadedImage;
modified = false;
update();
return true;
}
bool ConsoleArea::saveImage(const QString &fileName, const char *fileFormat)
{
QImage visibleImage = image;
resizeImage(&visibleImage, size());
if (visibleImage.save(fileName, fileFormat)) {
modified = false;
return true;
} else {
return false;
}
}
void ConsoleArea::setPenColor(const QColor &newColor)
{
myPenColor = newColor;
}
void ConsoleArea::setPenWidth(int newWidth)
{
myPenWidth = newWidth;
}
void ConsoleArea::clearImage()
{
image.fill(qRgb(255, 255, 255));
modified = true;
update();
}
void ConsoleArea::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
lastPoint = event->pos();
scribbling = true;
}
}
void ConsoleArea::mouseMoveEvent(QMouseEvent *event)
{
if ((event->buttons() & Qt::LeftButton) && scribbling)
drawLineTo(event->pos());
}
void ConsoleArea::mouseReleaseEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton && scribbling) {
drawLineTo(event->pos());
scribbling = false;
}
}
void ConsoleArea::paintEvent(QPaintEvent * /* event */)
{
QPainter painter(this);
painter.drawImage(QPoint(0, 0), image);
{
int hgt = height();
int fntHeight = (hgt/25);
fntHeight = 14;
QFont font( tr( "Courier New" ), fntHeight, 10, FALSE );
font = QFont(font, painter.device());
QFontMetrics fontMetrics( font );
int height = fontMetrics.height();
painter.setFont(font);
painter.setBackgroundMode(Qt::OpaqueMode);
{
int iRow,iCol,startCol,len ;
int iTop;
USHORT usChar;
BYTE bColor, bAttr, bOldColor = 0;
char text[ 4000 ];
iTop = 0;
for( iRow = 0; iRow <= 24; iRow++ )
{
iCol = startCol = 0;
len = 0;
iTop = ( iRow * height ) + height;
while( iCol <= 79 )
{
if( !HB_GTSELF_GETSCRCHAR( pGT, iRow, iCol, &bColor, &bAttr, &usChar ) )
break;
if( len == 0 )
{
bOldColor = bColor;
}
else if( bColor != bOldColor )
{
QBrush brush( COLORS[ bOldColor >> 4 ] );
painter.setBackground( brush );
QPen pen( COLORS[ bOldColor ] );
painter.setPen( pen );
OutputDebugString( "KKKK len=%i bOldColor=%i bColor=%i" );
painter.drawText( QPointF( startCol,iTop ), QString( text ) );
bOldColor = bColor;
startCol = iCol;
len = 0;
}
text[ len++ ] = ( char ) usChar;
iCol++;
}
if( len > 0 )
{
QBrush brush( COLORS[ bOldColor >> 4 ] );
painter.setBackground( brush );
QPen pen( COLORS[ bOldColor ] );
painter.setPen( pen );
painter.drawText(QPointF(startCol,iTop),QString(text));
}
}
}
}
}
void ConsoleArea::resizeEvent(QResizeEvent *event)
{
if (width() > image.width() || height() > image.height()) {
int newWidth = qMax(width() + 128, image.width());
int newHeight = qMax(height() + 128, image.height());
resizeImage(&image, QSize(newWidth, newHeight));
update();
}
QWidget::resizeEvent(event);
}
void ConsoleArea::drawLineTo(const QPoint &endPoint)
{
QPainter painter(&image);
painter.setPen(QPen(myPenColor, myPenWidth, Qt::SolidLine, Qt::RoundCap,
Qt::RoundJoin));
painter.drawLine(lastPoint, endPoint);
modified = true;
int rad = (myPenWidth / 2) + 2;
update(QRect(lastPoint, endPoint).normalized().adjusted(-rad, -rad, +rad, +rad));
lastPoint = endPoint;
}
void ConsoleArea::resizeImage(QImage *image, const QSize &newSize)
{
if (image->size() == newSize)
return;
QImage newImage(newSize, QImage::Format_RGB32);
newImage.fill(qRgb(255, 255, 255));
QPainter painter(&newImage);
painter.drawImage(QPoint(0, 0), *image);
*image = newImage;
}
void ConsoleArea::print()
{
#ifndef QT_NO_PRINTER
QPrinter printer(QPrinter::HighResolution);
QPrintDialog *printDialog = new QPrintDialog(&printer, this);
if (printDialog->exec() == QDialog::Accepted) {
QPainter painter(&printer);
QRect rect = painter.viewport();
QSize size = image.size();
size.scale(rect.size(), Qt::KeepAspectRatio);
painter.setViewport(rect.x(), rect.y(), size.width(), size.height());
painter.setWindow(image.rect());
painter.drawImage(0, 0, image);
}
#endif // QT_NO_PRINTER
}
/*----------------------------------------------------------------------*/

236
harbour/contrib/gtqtc/qtmainwindow.cpp
View File

@@ -1,236 +0,0 @@
/*
* $Id$
*/
/*
* Harbour Project source code:
*
* Copyright 2009 Pritpal Bedi <pritpal@vouchcac.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
/*----------------------------------------------------------------------*/
#include <QtGui/QtGui>
#include "gtqtc.h"
MainWindow::MainWindow()
{
consoleArea = new ConsoleArea;
setCentralWidget(consoleArea);
createActions();
// createMenus();
}
void MainWindow::someFunc(void)
{
}
void MainWindow::closeEvent(QCloseEvent *event)
{
event->accept();
hbqt_exit( pGT );
#if 0
if (maybeSave()) {
event->accept();
} else {
event->ignore();
}
#endif
}
void MainWindow::open()
{
if (maybeSave()) {
QString fileName = QFileDialog::getOpenFileName(this,
tr("Open File"), QDir::currentPath());
if (!fileName.isEmpty())
consoleArea->openImage(fileName);
}
}
void MainWindow::save()
{
QAction *action = qobject_cast<QAction *>(sender());
QByteArray fileFormat = action->data().toByteArray();
saveFile(fileFormat);
}
void MainWindow::penColor()
{
QColor newColor = QColorDialog::getColor(consoleArea->penColor());
if (newColor.isValid())
consoleArea->setPenColor(newColor);
}
void MainWindow::penWidth()
{
bool ok;
int newWidth = QInputDialog::getInteger(this, tr("Scribble"),
tr("Select pen width:"),
consoleArea->penWidth(),
1, 50, 1, &ok);
if (ok)
consoleArea->setPenWidth(newWidth);
}
void MainWindow::about()
{
QMessageBox::about(this, tr("About Scribble"),
tr("<p>The <b>Console</b> example shows how to use QMainWindow as the "
"base widget for an application, and how to reimplement some of "
"QWidget's event handlers to receive the events generated for "
"the application's widgets:</p><p> We reimplement the mouse event "
"handlers to facilitate drawing, the paint event handler to "
"update the application and the resize event handler to optimize "
"the application's appearance. In addition we reimplement the "
"close event handler to intercept the close events before "
"terminating the application.</p><p> The example also demonstrates "
"how to use QPainter to draw an image in real time, as well as "
"to repaint widgets.</p>"));
}
void MainWindow::createActions()
{
openAct = new QAction(tr("&Open..."), this);
openAct->setShortcut(tr("Ctrl+O"));
connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
foreach (QByteArray format, QImageWriter::supportedImageFormats())
{
QString text = tr("%1...").arg(QString(format).toUpper());
QAction *action = new QAction(text, this);
action->setData(format);
connect(action, SIGNAL(triggered()), this, SLOT(save()));
saveAsActs.append(action);
}
printAct = new QAction(tr("&Print..."), this);
connect(printAct, SIGNAL(triggered()), consoleArea, SLOT(print()));
exitAct = new QAction(tr("E&xit"), this);
exitAct->setShortcut(tr("Ctrl+Q"));
connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
penColorAct = new QAction(tr("&Pen Color..."), this);
connect(penColorAct, SIGNAL(triggered()), this, SLOT(penColor()));
penWidthAct = new QAction(tr("Pen &Width..."), this);
connect(penWidthAct, SIGNAL(triggered()), this, SLOT(penWidth()));
clearScreenAct = new QAction(tr("&Clear Screen"), this);
clearScreenAct->setShortcut(tr("Ctrl+L"));
connect(clearScreenAct, SIGNAL(triggered()),
consoleArea, SLOT(clearImage()));
aboutAct = new QAction(tr("&About"), this);
connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
aboutQtAct = new QAction(tr("About &Qt"), this);
connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
}
void MainWindow::createMenus()
{
saveAsMenu = new QMenu(tr("&Save As"), this);
foreach (QAction *action, saveAsActs)
saveAsMenu->addAction(action);
fileMenu = new QMenu(tr("&File"), this);
fileMenu->addAction(openAct);
fileMenu->addMenu(saveAsMenu);
fileMenu->addAction(printAct);
fileMenu->addSeparator();
fileMenu->addAction(exitAct);
optionMenu = new QMenu(tr("&Options"), this);
optionMenu->addAction(penColorAct);
optionMenu->addAction(penWidthAct);
optionMenu->addSeparator();
optionMenu->addAction(clearScreenAct);
helpMenu = new QMenu(tr("&Help"), this);
helpMenu->addAction(aboutAct);
helpMenu->addAction(aboutQtAct);
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(optionMenu);
menuBar()->addMenu(helpMenu);
}
bool MainWindow::maybeSave()
{
if (consoleArea->isModified()) {
QMessageBox::StandardButton ret;
ret = QMessageBox::warning(this, tr("Scribble"),
tr("The image has been modified.\n"
"Do you want to save your changes?"),
QMessageBox::Save | QMessageBox::Discard
| QMessageBox::Cancel);
if (ret == QMessageBox::Save) {
return saveFile("png");
} else if (ret == QMessageBox::Cancel) {
return false;
}
}
return true;
}
bool MainWindow::saveFile(const QByteArray &fileFormat)
{
QString initialPath = QDir::currentPath() + "/untitled." + fileFormat;
QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"),
initialPath,
tr("%1 Files (*.%2);;All Files (*)")
.arg(QString(fileFormat.toUpper()))
.arg(QString(fileFormat)));
if (fileName.isEmpty()) {
return false;
} else {
return consoleArea->saveImage(fileName, fileFormat);
}
}