summaryrefslogtreecommitdiffstats
path: root/kmix/viewswitches.cpp
blob: 6a5c96cc254fa58e7dbcd164c54a629fa40d867c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
/*
 * KMix -- KDE's full featured mini mixer
 *
 *
 * Copyright (C) 1996-2004 Christian Esken <esken@kde.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this program; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include "viewswitches.h"

#include <qlayout.h>
#include <qwidget.h>

#include <kdebug.h>
#include <klocale.h>

#include "mdwswitch.h"
#include "mdwenum.h"
#include "mixer.h"

ViewSwitches::ViewSwitches(QWidget* parent, const char* name, const QString & caption, Mixer* mixer, ViewBase::ViewFlags vflags)
      : ViewBase(parent, name, caption, mixer, 0, vflags)
{
    // Create switch buttonGroup
    if ( _vflags & ViewBase::Vertical ) {
        _layoutMDW = new QVBoxLayout(this);
        _layoutSwitch = new QVBoxLayout(_layoutMDW);
	_layoutEnum = new QVBoxLayout(_layoutMDW); // always vertical!
    }
    else {
        _layoutMDW = new QHBoxLayout(this);
	_layoutSwitch = new QHBoxLayout(_layoutMDW);
	// Place enums right from the switches: This is done, so that there will be no
	// ugly space on the left side, when no Switch is shown.
	// Actually it is not really clear yet, why there is empty space at all: There are 0 items in
	// the _layoutEnum, so it might be a sizeHint() or some other subtle layout issue.
	_layoutEnum = new QVBoxLayout(_layoutMDW);
    }
    init();
}

ViewSwitches::~ViewSwitches() {
}

void ViewSwitches::setMixSet(MixSet *mixset)
{
    MixDevice* md;
    for ( md = mixset->first(); md != 0; md = mixset->next() ) {
	if ( md->isSwitch() || md->isEnum() ) {
	    _mixSet->append(md);
	}
	else {
	}
    }
}


int ViewSwitches::count()
{
    return ( _mixSet->count() );	
}

int ViewSwitches::advice() {
    if (  _mixSet->count() > 0 ) {
        // The Switch Views is always advised, if there are devices in it
        return 100;
    }
    else {
        return 0;
    }
}

QWidget* ViewSwitches::add(MixDevice *md)
{
  MixDeviceWidget *mdw;

  if ( md->isEnum() ) {
     Qt::Orientation orientation = (_vflags & ViewBase::Vertical) ? Qt::Horizontal : Qt::Vertical;
     mdw = new MDWEnum(
		      _mixer,       // the mixer for this device
                      md,           // MixDevice (parameter)
                      orientation,  // Orientation
                      this,         // parent
                      this,         // View widget
                      md->name().latin1()
                      );
     _layoutEnum->add(mdw);
  } // an enum
  else {
    // must be a switch
    Qt::Orientation orientation = (_vflags & ViewBase::Vertical) ? Qt::Horizontal : Qt::Vertical;
    mdw =
	new MDWSwitch(
		      _mixer,       // the mixer for this device
		      md,           // MixDevice (parameter)
		      false,        // Small
		      orientation,  // Orientation
		      this,         // parent
		      this,         // View widget
		      md->name().latin1()
		      );
        _layoutSwitch->add(mdw);
    } // a switch

    return mdw;
}

QSize ViewSwitches::sizeHint() const {
    //kdDebug(67100) << "ViewSwitches::sizeHint(): NewSize is " << _layoutMDW->sizeHint() << "\n";
    return( _layoutMDW->sizeHint() );
}

void ViewSwitches::constructionFinished() {
    configurationUpdate();  // also does _layoutMDW->activate();
}

void ViewSwitches::refreshVolumeLevels() {
    //kdDebug(67100) << "ViewSwitches::refreshVolumeLevels()\n";
     QWidget *mdw = _mdws.first();
     MixDevice* md;
     for ( md = _mixSet->first(); md != 0; md = _mixSet->next() ) {
	 if ( mdw == 0 ) {
	     kdError(67100) << "ViewSwitches::refreshVolumeLevels(): mdw == 0\n";
	     break; // sanity check (normally the lists are set up correctly)
	 }
	 else {
	     if ( mdw->inherits("MDWSwitch")) {
		 //kdDebug(67100) << "ViewSwitches::refreshVolumeLevels(): updating\n";
		 // a slider, fine. Lets update its value
		 static_cast<MDWSwitch*>(mdw)->update();
	     }
	     else if ( mdw->inherits("MDWEnum")) {
		static_cast<MDWEnum*>(mdw)->update();
             }
	     else {
		 kdError(67100) << "ViewSwitches::refreshVolumeLevels(): mdw is not slider\n";
		 // no switch. Cannot happen in theory => skip it
		 // If I start putting other stuff in the switch tab, I will get a nice warning.
	     }
	 }
	 mdw = _mdws.next();
    }
}


/**
   This implementation makes sure the BackgroundMode's are properly updated
   with their alternating colors after hiding/showing channels.
*/
void ViewSwitches::configurationUpdate() {
    bool backGoundModeToggler = true;
    for (QWidget *qw = _mdws.first(); qw !=0; qw = _mdws.next() ) {
	if ( qw->inherits("MDWSwitch")) {
	    MixDeviceWidget* mdw = static_cast<MDWSwitch*>(qw);
	    if ( ! mdw->isDisabled() ) {
		if ( backGoundModeToggler ) {
		    mdw->setBackgroundMode(PaletteBackground);
		}
		else {
		    // !! Should use KGlobalSettings::alternateBackgroundColor()
		    // or KGlobalSettings::calculateAlternateBackgroundColor() instead.
		    mdw->setBackgroundMode( PaletteBase );
		}
		backGoundModeToggler = !backGoundModeToggler;
	    } // ! isDisabled()
	    else {
		//kdDebug(67100) << "ViewSwitches::configurationUpdate() ignoring diabled switch\n";
	    }
	} // inherits("MDWSwitch")
    }
    _layoutMDW->activate();
}


#include "viewswitches.moc"