1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "canvas.h"
#include "scribble.h"
#include <qapplication.h>
#include <qevent.h>
#include <qpainter.h>
#include <qtoolbar.h>
#include <qtoolbutton.h>
#include <qspinbox.h>
#include <qtooltip.h>
#include <qrect.h>
#include <qpoint.h>
#include <qcolordialog.h>
#include <qfiledialog.h>
#include <qcursor.h>
#include <qimage.h>
#include <qstrlist.h>
#include <qpopupmenu.h>
#include <qintdict.h>
Scribble::Scribble( TQWidget *parent, const char *name )
: TQMainWindow( parent, name )
{
canvas = new Canvas( this );
setCentralWidget( canvas );
TQToolBar *tools = new TQToolBar( this );
bSave = new TQToolButton( TQPixmap(), "Save", "Save as PNG image", this, SLOT( slotSave() ), tools );
bSave->setText( "Save as..." );
tools->addSeparator();
bPColor = new TQToolButton( TQPixmap(), "Choose Pen Color", "Choose Pen Color", this, SLOT( slotColor() ), tools );
bPColor->setText( "Choose Pen Color..." );
tools->addSeparator();
bPWidth = new TQSpinBox( 1, 20, 1, tools );
TQToolTip::add( bPWidth, "Choose Pen Width" );
connect( bPWidth, SIGNAL( valueChanged( int ) ), this, SLOT( slotWidth( int ) ) );
bPWidth->setValue( 3 );
tools->addSeparator();
bClear = new TQToolButton( TQPixmap(), "Clear Screen", "Clear Screen", this, SLOT( slotClear() ), tools );
bClear->setText( "Clear Screen" );
}
/*
Scribble::Scribble( TQWidget *parent, const char *name )
: TQMainWindow( parent, name )
{
canvas = new Canvas( this );
setCentralWidget( canvas );
TQToolBar *tools = new TQToolBar( this );
bSave = new TQPushButton( "Save as...", tools );
tools->addSeparator();
bPColor = new TQPushButton( "Choose Pen Color...", tools );
// bPColor->setText( "Choose Pen Color..." );
tools->addSeparator();
bPWidth = new TQSpinBox( 1, 20, 1, tools );
TQToolTip::add( bPWidth, "Choose Pen Width" );
connect( bPWidth, SIGNAL( valueChanged( int ) ), this, SLOT( slotWidth( int ) ) );
bPWidth->setValue( 3 );
tools->addSeparator();
bClear = new TQPushButton( "Clear Screen", tools );
TQObject::connect( bSave, SIGNAL( clicked() ), this, SLOT( slotSave() ) );
TQObject::connect( bPColor, SIGNAL( clicked() ), this, SLOT( slotColor() ) );
TQObject::connect( bClear, SIGNAL( clicked() ), this, SLOT( slotClear() ) );
}
*/
void Scribble::slotSave()
{
TQPopupMenu *menu = new TQPopupMenu( 0 );
TQIntDict<TQString> formats;
formats.setAutoDelete( TRUE );
for ( unsigned int i = 0; i < TQImageIO::outputFormats().count(); i++ ) {
TQString str = TQString( TQImageIO::outputFormats().at( i ) );
formats.insert( menu->insertItem( TQString( "%1..." ).arg( str ) ), new TQString( str ) );
}
menu->setMouseTracking( TRUE );
int id = menu->exec( bSave->mapToGlobal( TQPoint( 0, bSave->height() + 1 ) ) );
if ( id != -1 ) {
TQString format = *formats[ id ];
TQString filename = TQFileDialog::getSaveFileName( TQString::null, TQString( "*.%1" ).arg( format.lower() ), this );
if ( !filename.isEmpty() )
canvas->save( filename, format );
}
delete menu;
}
void Scribble::slotColor()
{
TQColor c = TQColorDialog::getColor( canvas->penColor(), this );
canvas->setPenColor( c );
}
void Scribble::slotWidth( int w )
{
canvas->setPenWidth( w );
}
void Scribble::slotClear()
{
canvas->clearScreen();
}
|
