kalarm/fontcolour.cpp

   1 /*
   2  *  fontcolour.cpp  -  font and colour chooser widget
   3  *  Program:  kalarm
   4  *  Copyright © 2001-2009 by David Jarvie <djarvie@kde.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  */
  20
  21 #include "kalarmapp.h"
  22 #include "preferences.h"
  23 #include "colourbutton.h"
  24 #include "checkbox.h"
  25 #include "fontcolour.moc"
  26
  27 #include <kglobal.h>
  28 #include <kfontchooser.h>
  29 #include <kfontdialog.h>
  30 #include <kcolordialog.h>
  31 #include <khbox.h>
  32
  33 #include <QGroupBox>
  34 #include <QPushButton>
  35 #include <QLabel>
  36 #include <QVBoxLayout>
  37 #include <QHBoxLayout>
  38
  39
  40 FontColourChooser::FontColourChooser(QWidget *parent,
  41           const QStringList &fontList, const QString& frameLabel, bool fg, bool defaultFont, int visibleListSize)
  42     : QWidget(parent),
  43       mFgColourButton(0),
  44       mReadOnly(false)
  45 {
  46     QVBoxLayout* topLayout = new QVBoxLayout(this);
  47     topLayout->setMargin(0);
  48     topLayout->setSpacing(KDialog::spacingHint());
  49     QWidget* page = this;
  50     if (!frameLabel.isNull())
  51     {
  52         page = new QGroupBox(frameLabel, this);
  53         topLayout->addWidget(page);
  54         topLayout = new QVBoxLayout(page);
  55         topLayout->setMargin(KDialog::marginHint());
  56         topLayout->setSpacing(KDialog::spacingHint());
  57     }
  58     QHBoxLayout* hlayout = new QHBoxLayout();
  59     hlayout->setMargin(0);
  60     topLayout->addLayout(hlayout);
  61     QVBoxLayout* colourLayout = new QVBoxLayout();
  62     colourLayout->setMargin(0);
  63     hlayout->addLayout(colourLayout);
  64     if (fg)
  65     {
  66         KHBox* box = new KHBox(page);    // to group widgets for QWhatsThis text
  67         box->setMargin(0);
  68         box->setSpacing(KDialog::spacingHint()/2);
  69         colourLayout->addWidget(box);
  70
  71         QLabel* label = new QLabel(i18nc("@label:listbox", "Foreground color:"), box);
  72         box->setStretchFactor(new QWidget(box), 0);
  73         mFgColourButton = new ColourButton(box);
  74         connect(mFgColourButton, SIGNAL(changed(QColor)), SLOT(setSampleColour()));
  75         label->setBuddy(mFgColourButton);
  76         box->setWhatsThis(i18nc("@info:whatsthis", "Select the alarm message foreground color"));
  77     }
  78
  79     KHBox* box = new KHBox(page);    // to group widgets for QWhatsThis text
  80     box->setMargin(0);
  81     box->setSpacing(KDialog::spacingHint()/2);
  82     colourLayout->addWidget(box);
  83
  84     QLabel* label = new QLabel(i18nc("@label:listbox", "Background color:"), box);
  85     box->setStretchFactor(new QWidget(box), 0);
  86     mBgColourButton = new ColourButton(box);
  87     connect(mBgColourButton, SIGNAL(changed(QColor)), SLOT(setSampleColour()));
  88     label->setBuddy(mBgColourButton);
  89     box->setWhatsThis(i18nc("@info:whatsthis", "Select the alarm message background color"));
  90     hlayout->addStretch();
  91
  92     if (defaultFont)
  93     {
  94         QHBoxLayout* layout = new QHBoxLayout();
  95         layout->setMargin(0);
  96         topLayout->addLayout(layout);
  97         mDefaultFont = new CheckBox(i18nc("@option:check", "Use default font"), page);
  98         mDefaultFont->setMinimumSize(mDefaultFont->sizeHint());
  99         connect(mDefaultFont, SIGNAL(toggled(bool)), SLOT(slotDefaultFontToggled(bool)));
 100         mDefaultFont->setWhatsThis(i18nc("@info:whatsthis", "Check to use the default font current at the time the alarm is displayed."));
 101         layout->addWidget(mDefaultFont);
 102         layout->addWidget(new QWidget(page));    // left adjust the widget
 103     }
 104     else
 105         mDefaultFont = 0;
 106
 107     mFontChooser = new KFontChooser(page, KFontChooser::DisplayFrame, fontList, visibleListSize);
 108     mFontChooser->installEventFilter(this);   // for read-only mode
 109     QList<QWidget*> kids = mFontChooser->findChildren<QWidget*>();
 110     for (int i = 0, end = kids.count();  i < end;  ++i)
 111         kids[i]->installEventFilter(this);
 112     topLayout->addWidget(mFontChooser);
 113
 114     slotDefaultFontToggled(false);
 115 }
 116
 117 void FontColourChooser::setDefaultFont()
 118 {
 119     if (mDefaultFont)
 120         mDefaultFont->setChecked(true);
 121 }
 122
 123 void FontColourChooser::setFont(const QFont& font, bool onlyFixed)
 124 {
 125     if (mDefaultFont)
 126         mDefaultFont->setChecked(false);
 127     mFontChooser->setFont(font, onlyFixed);
 128 }
 129
 130 bool FontColourChooser::defaultFont() const
 131 {
 132     return mDefaultFont ? mDefaultFont->isChecked() : false;
 133 }
 134
 135 QFont FontColourChooser::font() const
 136 {
 137     return (mDefaultFont && mDefaultFont->isChecked()) ? QFont() : mFontChooser->font();
 138 }
 139
 140 void FontColourChooser::setBgColour(const QColor& colour)
 141 {
 142     mBgColourButton->setColor(colour);
 143     mFontChooser->setBackgroundColor(colour);
 144 }
 145
 146 void FontColourChooser::setSampleColour()
 147 {
 148     QColor bg = mBgColourButton->color();
 149     mFontChooser->setBackgroundColor(bg);
 150     QColor fg = fgColour();
 151     mFontChooser->setColor(fg);
 152 }
 153
 154 QColor FontColourChooser::bgColour() const
 155 {
 156     return mBgColourButton->color();
 157 }
 158
 159 QColor FontColourChooser::fgColour() const
 160 {
 161     if (mFgColourButton)
 162         return mFgColourButton->color();
 163     else
 164     {
 165         QColor bg = mBgColourButton->color();
 166         QPalette pal(bg, bg);
 167         return pal.color(QPalette::Active, QPalette::Text);
 168     }
 169 }
 170
 171 QString FontColourChooser::sampleText() const
 172 {
 173     return mFontChooser->sampleText();
 174 }
 175
 176 void FontColourChooser::setSampleText(const QString& text)
 177 {
 178     mFontChooser->setSampleText(text);
 179 }
 180
 181 void FontColourChooser::setFgColour(const QColor& colour)
 182 {
 183     if (mFgColourButton)
 184     {
 185         mFgColourButton->setColor(colour);
 186         mFontChooser->setColor(colour);
 187     }
 188 }
 189
 190 void FontColourChooser::setReadOnly(bool ro)
 191 {
 192     if (ro != mReadOnly)
 193     {
 194         mReadOnly = ro;
 195         if (mFgColourButton)
 196             mFgColourButton->setReadOnly(ro);
 197         mBgColourButton->setReadOnly(ro);
 198         mDefaultFont->setReadOnly(ro);
 199     }
 200 }
 201
 202 bool FontColourChooser::eventFilter(QObject*, QEvent* e)
 203 {
 204     if (mReadOnly)
 205     {
 206         switch (e->type())
 207         {
 208             case QEvent::MouseMove:
 209             case QEvent::MouseButtonPress:
 210             case QEvent::MouseButtonRelease:
 211             case QEvent::MouseButtonDblClick:
 212             case QEvent::KeyPress:
 213             case QEvent::KeyRelease:
 214                 return true;   // prevent the event being handled
 215             default:
 216                 break;
 217         }
 218     }
 219     return false;
 220 }
 221
 222 void FontColourChooser::slotDefaultFontToggled(bool on)
 223 {
 224     mFontChooser->setEnabled(!on);
 225 }
 226
 227 // vim: et sw=4: