workspace/kwin/clients/oxygen/oxygen.cpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 // oxygenbutton.h
   3 // -------------------
   4 // Oxygen window decoration for KDE.
   5 // -------------------
   6 // Copyright (c) 2006, 2007 Riccardo Iaconelli <riccardo@kde.org>
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining a copy
   9 // of this software and associated documentation files (the "Software"), to
  10 // deal in the Software without restriction, including without limitation the
  11 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  12 // sell copies of the Software, and to permit persons to whom the Software is
  13 // furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24 // IN THE SOFTWARE.
  25 //////////////////////////////////////////////////////////////////////////////
  26
  27 #include "oxygenclient.h"
  28 #include "oxygen.h"
  29 #include <kconfiggroup.h>
  30
  31 extern "C"
  32 {
  33 KDE_EXPORT KDecorationFactory* create_factory()
  34 {
  35     return new Oxygen::OxygenFactory();
  36 }
  37 }
  38 namespace Oxygen
  39 {
  40
  41
  42 //////////////////////////////////////////////////////////////////////////////
  43 // OxygenFactory Class                                                     //
  44 //////////////////////////////////////////////////////////////////////////////
  45
  46 bool OxygenFactory::initialized_ = false;
  47 Qt::Alignment OxygenFactory::titlealign_ = Qt::AlignLeft;
  48
  49 //////////////////////////////////////////////////////////////////////////////
  50 // OxygenFactory()
  51 // ----------------
  52 // Constructor
  53
  54 OxygenFactory::OxygenFactory()
  55 {
  56     readConfig();
  57     initialized_ = true;
  58 }
  59
  60 //////////////////////////////////////////////////////////////////////////////
  61 // ~OxygenFactory()
  62 // -----------------
  63 // Destructor
  64
  65 OxygenFactory::~OxygenFactory() { initialized_ = false; }
  66
  67 //////////////////////////////////////////////////////////////////////////////
  68 // createDecoration()
  69 // -----------------
  70 // Create the decoration
  71
  72 KDecoration* OxygenFactory::createDecoration(KDecorationBridge* b)
  73 {
  74     return (new OxygenClient(b, this))->decoration();
  75 }
  76
  77 //////////////////////////////////////////////////////////////////////////////
  78 // reset()
  79 // -------
  80 // Reset the handler. Returns true if decorations need to be remade, false if
  81 // only a repaint is necessary
  82
  83 bool OxygenFactory::reset(unsigned long changed)
  84 {
  85     // read in the configuration
  86     initialized_ = false;
  87     bool confchange = readConfig();
  88     initialized_ = true;
  89
  90     if (confchange ||
  91         (changed & (SettingDecoration | SettingButtons | SettingBorder))) {
  92         return true;
  93     } else {
  94         resetDecorations(changed);
  95         return false;
  96     }
  97 }
  98
  99 //////////////////////////////////////////////////////////////////////////////
 100 // readConfig()
 101 // ------------
 102 // Read in the configuration file
 103
 104 bool OxygenFactory::readConfig()
 105 {
 106     // create a config object
 107     KConfig config("oxygenrc");
 108     KConfigGroup group = config.group("Windeco");
 109
 110     // grab settings
 111     Qt::Alignment oldalign = titlealign_;
 112     QString value = group.readEntry("TitleAlignment", "AlignLeft");
 113     if (value == "AlignLeft") titlealign_ = Qt::AlignLeft;
 114     else if (value == "AlignHCenter") titlealign_ = Qt::AlignHCenter;
 115     else if (value == "AlignRight") titlealign_ = Qt::AlignRight;
 116
 117     if (oldalign == titlealign_)
 118         return false;
 119     else
 120         return true;
 121 }
 122
 123 bool OxygenFactory::supports( Ability ability ) const
 124 {
 125     switch( ability ) {
 126         // announce
 127         case AbilityAnnounceButtons:
 128         case AbilityAnnounceColors:
 129         // buttons
 130         case AbilityButtonMenu:
 131         case AbilityButtonHelp:
 132         case AbilityButtonMinimize:
 133         case AbilityButtonMaximize:
 134         case AbilityButtonClose:
 135 //        case AbilityButtonAboveOthers:
 136 //        case AbilityButtonBelowOthers:
 137         case AbilityButtonSpacer:
 138             return true;
 139         // no colors supported at this time
 140         default:
 141             return false;
 142     };
 143 }
 144
 145 } //namespace Oxygen