workspace/kwin/lib/kdecoration_p.cpp

   1 /*****************************************************************
   2 This file is part of the KDE project.
   3
   4 Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
   5
   6 Permission is hereby granted, free of charge, to any person obtaining a
   7 copy of this software and associated documentation files (the "Software"),
   8 to deal in the Software without restriction, including without limitation
   9 the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 and/or sell copies of the Software, and to permit persons to whom the
  11 Software is furnished to do so, subject to the following conditions:
  12
  13 The above copyright notice and this permission notice shall be included in
  14 all copies or substantial portions of the Software.
  15
  16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 DEALINGS IN THE SOFTWARE.
  23 ******************************************************************/
  24
  25 #include "kdecoration_p.h"
  26
  27 #include <kconfig.h>
  28 #include <kconfiggroup.h>
  29 #include <kglobalsettings.h>
  30 #include <QPalette>
  31 #include <QApplication>
  32 #include <assert.h>
  33
  34 KDecorationOptionsPrivate::KDecorationOptionsPrivate()
  35     : title_buttons_left( KDecorationOptions::defaultTitleButtonsLeft())
  36     , title_buttons_right( KDecorationOptions::defaultTitleButtonsRight())
  37     , custom_button_positions( false )
  38     , show_tooltips( true )
  39     , border_size( BorderNormal )
  40     , cached_border_size( BordersCount ) // invalid
  41     , move_resize_maximized_windows( true )
  42     , opMaxButtonRightClick( MaximizeOp )
  43     , opMaxButtonMiddleClick( VMaximizeOp )
  44     , opMaxButtonLeftClick( HMaximizeOp )
  45     {
  46     for(int i=0; i < NUM_COLORS*2; ++i)
  47         pal[i] = NULL;
  48     }
  49
  50 KDecorationOptionsPrivate::~KDecorationOptionsPrivate()
  51     {
  52     int i;
  53     for(i=0; i < NUM_COLORS*2; ++i)
  54         {
  55         if(pal[i])
  56             {
  57             delete pal[i];
  58             pal[i] = NULL;
  59             }
  60         }
  61     }
  62
  63 unsigned long KDecorationOptionsPrivate::updateSettings( KConfig* config )
  64     {
  65     unsigned long changed = 0;
  66     KConfigGroup wmConfig(config, "WM");
  67
  68 // SettingColors
  69     QColor old_colors[NUM_COLORS*2];
  70     for( int i = 0;
  71          i < NUM_COLORS*2;
  72          ++i )
  73         old_colors[ i ] = colors[ i ];
  74
  75     QPalette appPal = QApplication::palette();
  76     // normal colors
  77     colors[ColorFrame] = appPal.color( QPalette::Active, QPalette::Background );
  78     colors[ColorFrame] = wmConfig.readEntry("frame", colors[ColorFrame]);
  79     colors[ColorHandle] = colors[ColorFrame];
  80     colors[ColorHandle] = wmConfig.readEntry("handle", colors[ColorHandle]);
  81
  82     // full button configuration (background, blend, and foreground
  83     if(QPixmap::defaultDepth() > 8)
  84         colors[ColorButtonBg] = colors[ColorFrame].light(130);
  85     else
  86         colors[ColorButtonBg] = colors[ColorFrame];
  87     colors[ColorButtonBg] = wmConfig.readEntry("activeTitleBtnBg",
  88                                               colors[ColorFrame]);
  89     colors[ColorTitleBar] = appPal.color( QPalette::Active, QPalette::Highlight );
  90     colors[ColorTitleBar] = wmConfig.readEntry("activeBackground",
  91                                               colors[ColorTitleBar]);
  92     if(QPixmap::defaultDepth() > 8)
  93         colors[ColorTitleBlend] = colors[ ColorTitleBar ].dark(110);
  94     else
  95         colors[ColorTitleBlend] = colors[ ColorTitleBar ];
  96     colors[ColorTitleBlend] = wmConfig.readEntry("activeBlend",
  97                                                 colors[ColorTitleBlend]);
  98
  99     colors[ColorFont] = appPal.color( QPalette::Active, QPalette::HighlightedText );
 100     colors[ColorFont] = wmConfig.readEntry("activeForeground", colors[ColorFont]);
 101
 102     // inactive
 103     colors[ColorFrame+NUM_COLORS] = wmConfig.readEntry("inactiveFrame",
 104                                                       colors[ColorFrame]);
 105     colors[ColorTitleBar+NUM_COLORS] = colors[ColorFrame];
 106     colors[ColorTitleBar+NUM_COLORS] = wmConfig.
 107         readEntry("inactiveBackground", colors[ColorTitleBar+NUM_COLORS]);
 108
 109     if(QPixmap::defaultDepth() > 8)
 110         colors[ColorTitleBlend+NUM_COLORS] = colors[ ColorTitleBar+NUM_COLORS ].dark(110);
 111     else
 112         colors[ColorTitleBlend+NUM_COLORS] = colors[ ColorTitleBar+NUM_COLORS ];
 113     colors[ColorTitleBlend+NUM_COLORS] =
 114         wmConfig.readEntry("inactiveBlend", colors[ColorTitleBlend+NUM_COLORS]);
 115
 116     // full button configuration
 117     if(QPixmap::defaultDepth() > 8)
 118         colors[ColorButtonBg+NUM_COLORS] = colors[ColorFrame+NUM_COLORS].light(130);
 119     else
 120         colors[ColorButtonBg+NUM_COLORS] = colors[ColorFrame+NUM_COLORS];
 121     colors[ColorButtonBg+NUM_COLORS] =
 122         wmConfig.readEntry("inactiveTitleBtnBg",
 123                                colors[ColorButtonBg]);
 124
 125     colors[ColorHandle+NUM_COLORS] =
 126         wmConfig.readEntry("inactiveHandle", colors[ColorHandle]);
 127
 128     colors[ColorFont+NUM_COLORS] = colors[ColorFrame].dark();
 129     colors[ColorFont+NUM_COLORS] = wmConfig.readEntry("inactiveForeground",
 130                                                      colors[ColorFont+NUM_COLORS]);
 131
 132     for( int i = 0;
 133          i < NUM_COLORS*2;
 134          ++i )
 135         if( old_colors[ i ] != colors[ i ] )
 136             changed |= SettingColors;
 137
 138 // SettingFont
 139     QFont old_activeFont = activeFont;
 140     QFont old_inactiveFont = inactiveFont;
 141     QFont old_activeFontSmall = activeFontSmall;
 142     QFont old_inactiveFontSmall = inactiveFontSmall;
 143
 144     QFont activeFontGuess = KGlobalSettings::windowTitleFont();
 145
 146     activeFont = wmConfig.readEntry("activeFont", activeFontGuess);
 147     inactiveFont = wmConfig.readEntry("inactiveFont", activeFont);
 148
 149     activeFontSmall = activeFont;
 150 #ifdef __GNUC__
 151 #warning KDE4 : is it useful ? ( temporary hack )
 152 #endif
 153 //    activeFontSmall.setPointSize(activeFont.pointSize() - 2 > 0 ? activeFont.pointSize() - 2 : activeFont.pointSize()+1 );
 154     activeFontSmall = wmConfig.readEntry("activeFontSmall", activeFontSmall);
 155     inactiveFontSmall = wmConfig.readEntry("inactiveFontSmall", activeFontSmall);
 156
 157     if( old_activeFont != activeFont
 158         || old_inactiveFont != inactiveFont
 159         || old_activeFontSmall != activeFontSmall
 160         || old_inactiveFontSmall != inactiveFontSmall )
 161         changed |= SettingFont;
 162
 163     KConfigGroup styleConfig(config, "Style");
 164 // SettingsButtons
 165     QString old_title_buttons_left = title_buttons_left;
 166     QString old_title_buttons_right = title_buttons_right;
 167     bool old_custom_button_positions = custom_button_positions;
 168     custom_button_positions = styleConfig.readEntry("CustomButtonPositions", false);
 169     if (custom_button_positions)
 170         {
 171         title_buttons_left  = styleConfig.readEntry("ButtonsOnLeft", KDecorationOptions::defaultTitleButtonsLeft());
 172         title_buttons_right = styleConfig.readEntry("ButtonsOnRight", KDecorationOptions::defaultTitleButtonsRight());
 173         }
 174     else
 175         {
 176         title_buttons_left  = KDecorationOptions::defaultTitleButtonsLeft();
 177         title_buttons_right = KDecorationOptions::defaultTitleButtonsRight();
 178         }
 179     if( old_custom_button_positions != custom_button_positions
 180         || ( custom_button_positions &&
 181                 ( old_title_buttons_left != title_buttons_left
 182                 || old_title_buttons_right != title_buttons_right )))
 183         changed |= SettingButtons;
 184
 185 // SettingTooltips
 186     bool old_show_tooltips = show_tooltips;
 187     show_tooltips = styleConfig.readEntry("ShowToolTips", true);
 188     if( old_show_tooltips != show_tooltips )
 189         changed |= SettingTooltips;
 190
 191 // SettingBorder
 192
 193     BorderSize old_border_size = border_size;
 194     int border_size_num = styleConfig.readEntry( "BorderSize", (int)BorderNormal );
 195     if( border_size_num >= 0 && border_size_num < BordersCount )
 196         border_size = static_cast< BorderSize >( border_size_num );
 197     else
 198         border_size = BorderNormal;
 199     if( old_border_size != border_size )
 200         changed |= SettingBorder;
 201     cached_border_size = BordersCount; // invalid
 202
 203     KConfigGroup windowsConfig(config, "Windows");
 204     bool old_move_resize_maximized_windows = move_resize_maximized_windows;
 205     move_resize_maximized_windows = windowsConfig.readEntry( "MoveResizeMaximizedWindows", false);
 206     if( old_move_resize_maximized_windows != move_resize_maximized_windows )
 207         changed |= SettingBorder;
 208
 209 // destroy cached values
 210     int i;
 211     for(i=0; i < NUM_COLORS*2; ++i)
 212         {
 213         if(pal[i])
 214             {
 215             delete pal[i];
 216             pal[i] = NULL;
 217             }
 218         }
 219
 220     return changed;
 221     }
 222
 223 KDecorationDefines::BorderSize KDecorationOptionsPrivate::findPreferredBorderSize( BorderSize size,
 224     QList< BorderSize > sizes ) const
 225     {
 226     for( QList< BorderSize >::ConstIterator it = sizes.constBegin();
 227          it != sizes.constEnd();
 228          ++it )
 229         if( size <= *it ) // size is either a supported size, or *it is the closest larger supported
 230             return *it;
 231     return sizes.last(); // size is larger than all supported ones, return largest
 232     }