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.h"
  26
  27 #include <kfontchooser.h>
  28
  29 #include <QGroupBox>
  30 #include <QPushButton>
  31 #include <QLabel>
  32 #include <QVBoxLayout>
  33 #include <QHBoxLayout>
  34 #include <QStyle>
  35
  36
  37 FontColourChooser::FontColourChooser(QWidget* parent, const QStringList& fontList,
  38            const QString& frameLabel, bool fg, bool defaultFont, int visibleListSize)
  39     : QWidget(parent),
  40       mFgColourButton(Q_NULLPTR),
  41       mReadOnly(false)
  42 {
  43     QVBoxLayout* topLayout = new QVBoxLayout(this);
  44     topLayout->setSpacing(style()->pixelMetric(QStyle::PM_DefaultLayoutSpacing));
  45     QWidget* page = this;
  46     if (!frameLabel.isNull())
  47     {
  48         page = new QGroupBox(frameLabel, this);
  49         topLayout->addWidget(page);
  50         topLayout = new QVBoxLayout(page);
  51         topLayout->setMargin(style()->pixelMetric(QStyle::PM_DefaultChildMargin));
  52         topLayout->setSpacing(style()->pixelMetric(QStyle::PM_DefaultLayoutSpacing));
  53     }
  54     QHBoxLayout* hlayout = new QHBoxLayout();
  55     hlayout->setMargin(0);
  56     topLayout->addLayout(hlayout);
  57     QVBoxLayout* colourLayout = new QVBoxLayout();
  58     colourLayout->setMargin(0);
  59     hlayout->addLayout(colourLayout);
  60     if (fg)
  61     {
  62         QWidget* box = new QWidget(page);    // to group widgets for QWhatsThis text
  63         colourLayout->addWidget(box);
  64         QHBoxLayout* boxHLayout = new QHBoxLayout(box);
  65         boxHLayout->setMargin(0);
  66         boxHLayout->setSpacing(style()->pixelMetric(QStyle::PM_DefaultLayoutSpacing) / 2);
  67
  68         QLabel* label = new QLabel(i18nc("@label:listbox", "Foreground color:"), box);
  69         boxHLayout->addWidget(label);
  70         boxHLayout->setStretchFactor(new QWidget(box), 0);
  71         mFgColourButton = new ColourButton(box);
  72         boxHLayout->addWidget(mFgColourButton);
  73         connect(mFgColourButton, &ColourButton::changed, this, &FontColourChooser::setSampleColour);
  74         label->setBuddy(mFgColourButton);
  75         box->setWhatsThis(i18nc("@info:whatsthis", "Select the alarm message foreground color"));
  76     }
  77
  78     QWidget* box = new QWidget(page);    // to group widgets for QWhatsThis text
  79     colourLayout->addWidget(box);
  80     QHBoxLayout* boxHLayout = new QHBoxLayout(box);
  81     boxHLayout->setMargin(0);
  82     boxHLayout->setSpacing(style()->pixelMetric(QStyle::PM_DefaultLayoutSpacing) / 2);
  83
  84     QLabel* label = new QLabel(i18nc("@label:listbox", "Background color:"), box);
  85     boxHLayout->addWidget(label);
  86     boxHLayout->setStretchFactor(new QWidget(box), 0);
  87     mBgColourButton = new ColourButton(box);
  88     boxHLayout->addWidget(mBgColourButton);
  89     connect(mBgColourButton, &ColourButton::changed, this, &FontColourChooser::setSampleColour);
  90     label->setBuddy(mBgColourButton);
  91     box->setWhatsThis(i18nc("@info:whatsthis", "Select the alarm message background color"));
  92     hlayout->addStretch();
  93
  94     if (defaultFont)
  95     {
  96         QHBoxLayout* layout = new QHBoxLayout();
  97         layout->setMargin(0);
  98         topLayout->addLayout(layout);
  99         mDefaultFont = new CheckBox(i18nc("@option:check", "Use default font"), page);
 100         mDefaultFont->setMinimumSize(mDefaultFont->sizeHint());
 101         connect(mDefaultFont, &CheckBox::toggled, this, &FontColourChooser::slotDefaultFontToggled);
 102         mDefaultFont->setWhatsThis(i18nc("@info:whatsthis", "Check to use the default font current at the time the alarm is displayed."));
 103         layout->addWidget(mDefaultFont);
 104         layout->addWidget(new QWidget(page));    // left adjust the widget
 105     }
 106     else
 107         mDefaultFont = Q_NULLPTR;
 108
 109     mFontChooser = new KFontChooser(page, KFontChooser::DisplayFrame, fontList, visibleListSize);
 110     mFontChooser->installEventFilter(this);   // for read-only mode
 111     QList<QWidget*> kids = mFontChooser->findChildren<QWidget*>();
 112     for (int i = 0, end = kids.count();  i < end;  ++i)
 113         kids[i]->installEventFilter(this);
 114     topLayout->addWidget(mFontChooser);
 115
 116     slotDefaultFontToggled(false);
 117 }
 118
 119 void FontColourChooser::setDefaultFont()
 120 {
 121     if (mDefaultFont)
 122         mDefaultFont->setChecked(true);
 123 }
 124
 125 void FontColourChooser::setFont(const QFont& font, bool onlyFixed)
 126 {
 127     if (mDefaultFont)
 128         mDefaultFont->setChecked(false);
 129     mFontChooser->setFont(font, onlyFixed);
 130 }
 131
 132 bool FontColourChooser::defaultFont() const
 133 {
 134     return mDefaultFont ? mDefaultFont->isChecked() : false;
 135 }
 136
 137 QFont FontColourChooser::font() const
 138 {
 139     return (mDefaultFont && mDefaultFont->isChecked()) ? QFont() : mFontChooser->font();
 140 }
 141
 142 void FontColourChooser::setBgColour(const QColor& colour)
 143 {
 144     mBgColourButton->setColor(colour);
 145     mFontChooser->setBackgroundColor(colour);
 146 }
 147
 148 void FontColourChooser::setSampleColour()
 149 {
 150     QColor bg = mBgColourButton->color();
 151     mFontChooser->setBackgroundColor(bg);
 152     QColor fg = fgColour();
 153     mFontChooser->setColor(fg);
 154 }
 155
 156 QColor FontColourChooser::bgColour() const
 157 {
 158     return mBgColourButton->color();
 159 }
 160
 161 QColor FontColourChooser::fgColour() const
 162 {
 163     if (mFgColourButton)
 164         return mFgColourButton->color();
 165     else
 166     {
 167         QColor bg = mBgColourButton->color();
 168         QPalette pal(bg, bg);
 169         return pal.color(QPalette::Active, QPalette::Text);
 170     }
 171 }
 172
 173 QString FontColourChooser::sampleText() const
 174 {
 175     return mFontChooser->sampleText();
 176 }
 177
 178 void FontColourChooser::setSampleText(const QString& text)
 179 {
 180     mFontChooser->setSampleText(text);
 181 }
 182
 183 void FontColourChooser::setFgColour(const QColor& colour)
 184 {
 185     if (mFgColourButton)
 186     {
 187         mFgColourButton->setColor(colour);
 188         mFontChooser->setColor(colour);
 189     }
 190 }
 191
 192 void FontColourChooser::setReadOnly(bool ro)
 193 {
 194     if (ro != mReadOnly)
 195     {
 196         mReadOnly = ro;
 197         if (mFgColourButton)
 198             mFgColourButton->setReadOnly(ro);
 199         mBgColourButton->setReadOnly(ro);
 200         mDefaultFont->setReadOnly(ro);
 201     }
 202 }
 203
 204 bool FontColourChooser::eventFilter(QObject*, QEvent* e)
 205 {
 206     if (mReadOnly)
 207     {
 208         switch (e->type())
 209         {
 210             case QEvent::MouseMove:
 211             case QEvent::MouseButtonPress:
 212             case QEvent::MouseButtonRelease:
 213             case QEvent::MouseButtonDblClick:
 214             case QEvent::KeyPress:
 215             case QEvent::KeyRelease:
 216                 return true;   // prevent the event being handled
 217             default:
 218                 break;
 219         }
 220     }
 221     return false;
 222 }
 223
 224 void FontColourChooser::slotDefaultFontToggled(bool on)
 225 {
 226     mFontChooser->setEnabled(!on);
 227 }
 228
 229
 230 // vim: et sw=4: