workspace/kcontrol/colors/setpreviewwidget.cpp

   1 /* Preview widget for KDE Display color scheme setup module
   2  * Copyright (C) 2007 Matthew Woehlke <mw_triad@users.sourceforge.net>
   3  * eventFilter code Copyright (C) 2007 Urs Wolfer <uwolfer @ kde.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; see the file COPYING.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #include "setpreviewwidget.h"
  22
  23 #include <KGlobalSettings>
  24 #include <KColorUtils>
  25
  26 void setAutoFill(QWidget* widget)
  27 {
  28     widget->setAutoFillBackground(true);
  29     widget->setBackgroundRole(QPalette::Base);
  30 }
  31
  32 SetPreviewWidget::SetPreviewWidget(QWidget *parent) : QFrame(parent)
  33 {
  34     setupUi(this);
  35
  36     // set correct colors on... lots of things
  37     setAutoFillBackground(true);
  38     setBackgroundRole(QPalette::Base);
  39     setAutoFill(widgetBack0);
  40     setAutoFill(widgetBack1);
  41     setAutoFill(widgetBack2);
  42     setAutoFill(widgetBack3);
  43     setAutoFill(widgetBack4);
  44     setAutoFill(widgetBack5);
  45     setAutoFill(widgetBack6);
  46     setAutoFill(widgetBack7);
  47     setAutoFill(widgetBack8);
  48     setAutoFill(widgetBack9);
  49     setAutoFillBackground(true);
  50 /*
  51     frame->setBackgroundRole(QPalette::Base);
  52     viewWidget->setBackgroundRole(QPalette::Base);
  53     labelView0->setBackgroundRole(QPalette::Base);
  54     labelView3->setBackgroundRole(QPalette::Base);
  55     labelView4->setBackgroundRole(QPalette::Base);
  56     labelView2->setBackgroundRole(QPalette::Base);
  57     labelView1->setBackgroundRole(QPalette::Base);
  58     labelView5->setBackgroundRole(QPalette::Base);
  59     labelView6->setBackgroundRole(QPalette::Base);
  60     labelView7->setBackgroundRole(QPalette::Base);
  61     selectionWidget->setBackgroundRole(QPalette::Highlight);
  62     labelSelection0->setBackgroundRole(QPalette::Highlight);
  63     labelSelection3->setBackgroundRole(QPalette::Highlight);
  64     labelSelection4->setBackgroundRole(QPalette::Highlight);
  65     labelSelection2->setBackgroundRole(QPalette::Highlight);
  66     labelSelection1->setBackgroundRole(QPalette::Highlight);
  67     labelSelection5->setBackgroundRole(QPalette::Highlight);
  68     labelSelection6->setBackgroundRole(QPalette::Highlight);
  69     labelSelection7->setBackgroundRole(QPalette::Highlight);
  70 */
  71
  72     QList<QWidget*> widgets = findChildren<QWidget*>();
  73     foreach (QWidget* widget, widgets)
  74     {
  75         widget->installEventFilter(this);
  76         widget->setFocusPolicy(Qt::NoFocus);
  77     }
  78 }
  79
  80 SetPreviewWidget::~SetPreviewWidget()
  81 {
  82 }
  83
  84 bool SetPreviewWidget::eventFilter(QObject *, QEvent *ev)
  85 {
  86     switch (ev->type())
  87     {
  88         case QEvent::MouseButtonPress:
  89         case QEvent::MouseButtonRelease:
  90         case QEvent::MouseButtonDblClick:
  91         case QEvent::MouseMove:
  92         case QEvent::KeyPress:
  93         case QEvent::KeyRelease:
  94         case QEvent::Enter:
  95         case QEvent::Leave:
  96         case QEvent::Wheel:
  97         case QEvent::ContextMenu:
  98             return true; // ignore
  99         default:
 100             break;
 101     }
 102     return false;
 103 }
 104
 105 void SetPreviewWidget::setPalette(const KSharedConfigPtr &config,
 106                                   KColorScheme::ColorSet set)
 107 {
 108     QPalette palette = KGlobalSettings::createApplicationPalette(config);
 109     KColorScheme::adjustBackground(palette, KColorScheme::NormalBackground,
 110                                    QPalette::Base, set, config);
 111     QFrame::setPalette(palette);
 112
 113 #define SET_ROLE_PALETTE(n, f, b) \
 114     KColorScheme::adjustForeground(palette, KColorScheme::f, QPalette::Text, set, config); \
 115     labelFore##n->setPalette(palette); \
 116     KColorScheme::adjustBackground(palette, KColorScheme::b, QPalette::Base, set, config); \
 117     labelBack##n->setPalette(palette); \
 118     widgetBack##n->setPalette(palette);
 119
 120     SET_ROLE_PALETTE(0, NormalText,   NormalBackground);
 121     SET_ROLE_PALETTE(1, InactiveText, AlternateBackground);
 122     SET_ROLE_PALETTE(2, ActiveText,   ActiveBackground);
 123     SET_ROLE_PALETTE(3, LinkText,     LinkBackground);
 124     SET_ROLE_PALETTE(4, VisitedText,  VisitedBackground);
 125     SET_ROLE_PALETTE(5, NegativeText, NegativeBackground);
 126     SET_ROLE_PALETTE(6, NeutralText,  NeutralBackground);
 127     SET_ROLE_PALETTE(7, PositiveText, PositiveBackground);
 128
 129     KColorScheme kcs(QPalette::Active, set, config);
 130     QBrush deco;
 131
 132 #define SET_DECO_PALETTE(n, d) \
 133     deco = kcs.decoration(KColorScheme::d); \
 134     palette.setBrush(QPalette::Text, deco); \
 135     labelFore##n->setPalette(palette); \
 136     deco = KColorUtils::tint(kcs.background().color(), deco.color()); \
 137     palette.setBrush(QPalette::Base, deco); \
 138     labelBack##n->setPalette(palette); \
 139     widgetBack##n->setPalette(palette);
 140
 141     SET_DECO_PALETTE(8, HoverColor);
 142     SET_DECO_PALETTE(9, FocusColor);
 143 }
 144
 145 #include "setpreviewwidget.moc"