kdeprint Library API Documentation

marginwidget.cpp

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001-2002 Michael Goffioul <goffioul@imec.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  *  Boston, MA 02111-1307, USA.
00018  **/
00019 
00020 #include "marginwidget.h"
00021 #include "marginpreview.h"
00022 #include "marginvaluewidget.h"
00023 #include "kprinter.h"
00024 
00025 #include <qcombobox.h>
00026 #include <qcheckbox.h>
00027 #include <qlayout.h>
00028 #include <qlabel.h>
00029 #include <klocale.h>
00030 #include <kglobal.h>
00031 
00032 MarginWidget::MarginWidget(QWidget *parent, const char* name, bool allowMetricUnit)
00033 : QWidget(parent, name), m_default(4, 0), m_pagesize( 2 )
00034 {
00035     m_symetric = m_block = false;
00036     m_pagesize[ 0 ] = 595;
00037     m_pagesize[ 1 ] = 842;
00038     m_landscape = false;
00039 
00040     m_custom = new QCheckBox(i18n("&Use custom margins"), this);
00041     m_top = new MarginValueWidget(0, 0.0, this);
00042     m_bottom = new MarginValueWidget(m_top, 0.0, this);
00043     m_left = new MarginValueWidget(m_bottom, 0.0, this);
00044     m_right = new MarginValueWidget(m_left, 0.0, this);
00045     m_top->setLabel(i18n("&Top:"), Qt::AlignLeft|Qt::AlignVCenter);
00046     m_bottom->setLabel(i18n("&Bottom:"), Qt::AlignLeft|Qt::AlignVCenter);
00047     m_left->setLabel(i18n("Le&ft:"), Qt::AlignLeft|Qt::AlignVCenter);
00048     m_right->setLabel(i18n("&Right:"), Qt::AlignLeft|Qt::AlignVCenter);
00049     m_units = new QComboBox(this);
00050     m_units->insertItem(i18n("Pixels (1/72nd in)"));
00051     if ( allowMetricUnit )
00052     {
00053         m_units->insertItem(i18n("Inches (in)"));
00054         m_units->insertItem(i18n("Centimeters (cm)"));
00055         m_units->insertItem( i18n( "Millimeters (mm)" ) );
00056     }
00057     m_units->setCurrentItem(0);
00058     connect(m_units, SIGNAL(activated(int)), m_top, SLOT(setMode(int)));
00059     connect(m_units, SIGNAL(activated(int)), m_bottom, SLOT(setMode(int)));
00060     connect(m_units, SIGNAL(activated(int)), m_left, SLOT(setMode(int)));
00061     connect(m_units, SIGNAL(activated(int)), m_right, SLOT(setMode(int)));
00062     m_preview = new MarginPreview(this);
00063     m_preview->setMinimumSize(60, 80);
00064     m_preview->setPageSize(m_pagesize[ 0 ], m_pagesize[ 1 ]);
00065     connect(m_preview, SIGNAL(marginChanged(int,float)), SLOT(slotMarginPreviewChanged(int,float)));
00066     connect(m_top, SIGNAL(marginChanged(float)), SLOT(slotMarginValueChanged()));
00067     connect(m_bottom, SIGNAL(marginChanged(float)), SLOT(slotMarginValueChanged()));
00068     connect(m_left, SIGNAL(marginChanged(float)), SLOT(slotMarginValueChanged()));
00069     connect(m_right, SIGNAL(marginChanged(float)), SLOT(slotMarginValueChanged()));
00070     slotMarginValueChanged();
00071     connect(m_custom, SIGNAL(toggled(bool)), m_top, SLOT(setEnabled(bool)));
00072     connect(m_custom, SIGNAL(toggled(bool)), m_left, SLOT(setEnabled(bool)));
00073     //connect(m_custom, SIGNAL(toggled(bool)), m_units, SLOT(setEnabled(bool)));
00074     connect(m_custom, SIGNAL(toggled(bool)), SLOT(slotCustomMarginsToggled(bool)));
00075     connect(m_custom, SIGNAL(toggled(bool)), m_preview, SLOT(enableRubberBand(bool)));
00076     m_top->setEnabled(false);
00077     m_bottom->setEnabled(false);
00078     m_left->setEnabled(false);
00079     m_right->setEnabled(false);
00080     //m_units->setEnabled(false);
00081 
00082     QGridLayout *l3 = new QGridLayout(this, 7, 2, 0, 10);
00083     l3->addWidget(m_custom, 0, 0);
00084     l3->addWidget(m_top, 1, 0);
00085     l3->addWidget(m_bottom, 2, 0);
00086     l3->addWidget(m_left, 3, 0);
00087     l3->addWidget(m_right, 4, 0);
00088     l3->addRowSpacing(5, 10);
00089     l3->addWidget(m_units, 6, 0);
00090     l3->addMultiCellWidget(m_preview, 0, 6, 1, 1);
00091 
00092     if ( allowMetricUnit )
00093     {
00094         int mode = (KGlobal::locale()->measureSystem() == KLocale::Metric ? 2 : 1);
00095         m_top->setMode(mode);
00096         m_bottom->setMode(mode);
00097         m_left->setMode(mode);
00098         m_right->setMode(mode);
00099         m_units->setCurrentItem(mode);
00100     }
00101 }
00102 
00103 MarginWidget::~MarginWidget()
00104 {
00105 }
00106 
00107 void MarginWidget::slotCustomMarginsToggled(bool b)
00108 {
00109     m_bottom->setEnabled(b && !m_symetric);
00110     m_right->setEnabled(b && !m_symetric);
00111     if (!b)
00112         resetDefault();
00113 }
00114 
00115 void MarginWidget::setSymetricMargins(bool on)
00116 {
00117     if (on == m_symetric)
00118         return;
00119 
00120     m_symetric = on;
00121     m_bottom->setEnabled(on && m_custom->isChecked());
00122     m_right->setEnabled(on && m_custom->isChecked());
00123     if (on)
00124     {
00125         connect(m_top, SIGNAL(marginChanged(float)), m_bottom, SLOT(setMargin(float)));
00126         connect(m_left, SIGNAL(marginChanged(float)), m_right, SLOT(setMargin(float)));
00127         m_bottom->setMargin(m_top->margin());
00128         m_right->setMargin(m_left->margin());
00129     }
00130     else
00131     {
00132         disconnect(m_top, 0, m_bottom, 0);
00133         disconnect(m_left, 0, m_right, 0);
00134     }
00135     m_preview->setSymetric(on);
00136 }
00137 
00138 void MarginWidget::slotMarginValueChanged()
00139 {
00140     if (m_block)
00141         return;
00142     m_preview->setMargins(m_top->margin(), m_bottom->margin(), m_left->margin(), m_right->margin());
00143 }
00144 
00145 void MarginWidget::slotMarginPreviewChanged(int type, float value)
00146 {
00147     m_block = true;
00148     switch (type)
00149     {
00150         case MarginPreview::TMoving:
00151             m_top->setMargin(value);
00152             break;
00153         case MarginPreview::BMoving:
00154             m_bottom->setMargin(value);
00155             break;
00156         case MarginPreview::LMoving:
00157             m_left->setMargin(value);
00158             break;
00159         case MarginPreview::RMoving:
00160             m_right->setMargin(value);
00161             break;
00162     }
00163     m_block = false;
00164 }
00165 
00166 void MarginWidget::setPageSize(float w, float h)
00167 {
00168     // takes care of the orientation and the resolution
00169     int dpi = m_top->resolution();
00170     m_pagesize[ 0 ] = w;
00171     m_pagesize[ 1 ] = h;
00172     if (m_landscape)
00173         m_preview->setPageSize((m_pagesize[ 1 ]*dpi)/72, (m_pagesize[ 0 ]*dpi)/72);
00174     else
00175         m_preview->setPageSize((m_pagesize[ 0 ]*dpi)/72, (m_pagesize[ 1 ]*dpi)/72);
00176 }
00177 
00178 float MarginWidget::top() const
00179 {
00180     return m_top->margin();
00181 }
00182 
00183 float MarginWidget::bottom() const
00184 {
00185     return m_bottom->margin();
00186 }
00187 
00188 float MarginWidget::left() const
00189 {
00190     return m_left->margin();
00191 }
00192 
00193 float MarginWidget::right() const
00194 {
00195     return m_right->margin();
00196 }
00197 
00198 void MarginWidget::setTop(float value)
00199 {
00200     m_top->setMargin(value);
00201 }
00202 
00203 void MarginWidget::setBottom(float value)
00204 {
00205     m_bottom->setMargin(value);
00206 }
00207 
00208 void MarginWidget::setLeft(float value)
00209 {
00210     m_left->setMargin(value);
00211 }
00212 
00213 void MarginWidget::setRight(float value)
00214 {
00215     m_right->setMargin(value);
00216 }
00217 
00218 void MarginWidget::setResolution(int dpi)
00219 {
00220     m_top->setResolution(dpi);
00221     m_bottom->setResolution(dpi);
00222     m_left->setResolution(dpi);
00223     m_right->setResolution(dpi);
00224 }
00225 
00226 void MarginWidget::setDefaultMargins(float t, float b, float l, float r)
00227 {
00228     int dpi = m_top->resolution();
00229     m_default[0] = (t*dpi)/72;
00230     m_default[1] = (b*dpi)/72;
00231     m_default[2] = (l*dpi)/72;
00232     m_default[3] = (r*dpi)/72;
00233     if (!m_custom->isChecked())
00234         resetDefault();
00235 }
00236 
00237 void MarginWidget::resetDefault()
00238 {
00239     m_top->setMargin(m_landscape ? m_default[2] : m_default[0]);
00240     m_bottom->setMargin(m_landscape ? m_default[3] : m_default[1]);
00241     m_left->setMargin(m_landscape ? m_default[1] : m_default[2]);
00242     m_right->setMargin(m_landscape ? m_default[0] : m_default[3]);
00243 }
00244 
00245 void MarginWidget::setCustomEnabled(bool on)
00246 {
00247     m_custom->setChecked(on);
00248 }
00249 
00250 bool MarginWidget::isCustomEnabled() const
00251 {
00252     return m_custom->isChecked();
00253 }
00254 
00255 void MarginWidget::setOrientation(int orient)
00256 {
00257     m_landscape = (orient == KPrinter::Landscape);
00258     setPageSize(m_pagesize[ 0 ], m_pagesize[ 1 ]);
00259 }
00260 
00261 #include "marginwidget.moc"
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This file is part of the documentation for kdeprint Library Version 3.2.0.
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