summaryrefslogtreecommitdiffstats
path: root/klaptopdaemon/battery.cpp
blob: 0c337d7b4fdda06ee13f9beb305aefc69b013113 (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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
/*
 * battery.cpp
 *
 * Copyright (c) 1999 Paul Campbell <paul@taniwha.com>
 * Copyright (c) 2002 Marc Mutz <mutz@kde.org>
 * Copyright (c) 2006 Flavio Castelli <flavio.castelli@gmail.com>
 *
 * Requires the Qt widget libraries, available at no cost at
 * http://www.troll.no/
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU 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.
 */

// my headers:
#include "battery.h"
#include "version.h"
#include "portable.h"

// other KDE headers:
#include <klocale.h>
#include <kconfig.h>
#include <knuminput.h>
#include <kiconloader.h>
#include <kicondialog.h>
#include <kapplication.h>
#include <kmessagebox.h>
#include <krichtextlabel.h>

// other Qt headers:
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqcheckbox.h>
#include <tqhbox.h>
#include <tqvgroupbox.h>
#include <tqhgroupbox.h>
#include <tqgrid.h>
#include <tqpushbutton.h>
#include <tqtooltip.h>
extern void wake_laptop_daemon();


BatteryConfig::BatteryConfig (TQWidget * parent, const char *name)
  : KCModule(parent, name),
    editPoll(0),
    iconloader(0),
    buttonNoBattery(0),
    buttonNoCharge(0),
    buttonCharge(0)
{
    KGlobal::locale()->insertCatalogue("klaptopdaemon"); // For translation of klaptopdaemon messages

    apm = laptop_portable::has_power_management();
    config =  new KConfig("kcmlaptoprc");
    instance = new KInstance("klaptopdaemon");

    TQVBoxLayout *top_layout = new TQVBoxLayout( this, KDialog::marginHint(),
					       KDialog::spacingHint() );

    // do we show the monitor
    runMonitor = new TQCheckBox( i18n("&Show battery monitor"), this );
    top_layout->addWidget( runMonitor );
    TQToolTip::add( runMonitor, i18n( "This box enables the battery state icon in the panel" ) );
    connect( runMonitor, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
    connect( runMonitor, TQT_SIGNAL(clicked()), this, TQT_SLOT(runMonitorChanged()) );

    // show also the battery level percentage
    showLevel = new TQCheckBox( i18n("Show battery level percentage"), this );
    top_layout->addWidget( showLevel );
    TQToolTip::add( showLevel, i18n( "This box enables a text message near the battery state icon containing battery level percentage" ) );
    connect( showLevel, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
    
    notifyMe = new TQCheckBox( i18n("&Notify me whenever my battery becomes fully charged"), this );
    top_layout->addWidget( notifyMe );
    TQToolTip::add( notifyMe, i18n( "This box enables a dialog box that pops up when your battery becomes fully charged" ) );
    connect( notifyMe, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );

    blankSaver = new TQCheckBox( i18n("&Use a blank screen saver when running on battery"), this );
    top_layout->addWidget( blankSaver );
    connect( blankSaver, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );

    if (!apm) {
      top_layout->addWidget( laptop_portable::no_power_management_explanation(this) );
    } else {
      iconloader = new KIconLoader("klaptopdaemon");

      // the poll time (in seconds)
      TQHBox *hb = new TQHBox( this );
      hb->setSpacing( KDialog::spacingHint() );
      top_layout->addWidget( hb );

      TQLabel* poll_label = new TQLabel( i18n("&Check status every:"), hb );
      editPoll = new TQSpinBox( 1, 3600, 1, hb ); // min,max,step
      TQToolTip::add( editPoll, i18n( "Choose how responsive the laptop software will be when it checks the battery status" ) );
      editPoll->setSuffix( i18n("keep short, unit in spinbox", "sec") );
      poll_label->setBuddy( editPoll );
      connect( editPoll, TQT_SIGNAL(valueChanged(int)),
	       this, TQT_SLOT(configChanged()) );
      TQWidget* spacer = new TQWidget( hb );
      hb->setStretchFactor( spacer, 1 );

      // group box to hold the icons together
      TQVGroupBox* icons_groupbox = new TQVGroupBox( i18n("Select Battery Icons"), this );
      icons_groupbox->layout()->setSpacing( KDialog::spacingHint() );
      top_layout->addWidget( icons_groupbox, 0, Qt::AlignLeft );

      // layout to hold the icons inside the groupbox
      TQGrid *icon_grid = new TQGrid( 3 /*cols*/, icons_groupbox );
      icon_grid->setSpacing( KDialog::spacingHint() );

      buttonNoBattery = new KIconButton( iconloader, icon_grid );
      buttonNoCharge  = new KIconButton( iconloader, icon_grid );
      buttonCharge    = new KIconButton( iconloader, icon_grid );
      (void)new TQLabel( buttonNoBattery, i18n("No &battery"), icon_grid);
      (void)new TQLabel( buttonNoCharge, i18n("&Not charging"), icon_grid);
      (void)new TQLabel( buttonCharge, i18n("Char&ging"), icon_grid);
      buttonNoBattery->setIconType( KIcon::NoGroup, KIcon::Any, 1);
      buttonNoCharge->setIconType( KIcon::NoGroup, KIcon::Any, 1);
      buttonCharge->setIconType( KIcon::NoGroup, KIcon::Any, 1);
      connect(buttonNoBattery, TQT_SIGNAL(iconChanged(TQString)), this, TQT_SLOT(iconChanged()));
      connect(buttonNoCharge, TQT_SIGNAL(iconChanged(TQString)), this, TQT_SLOT(iconChanged()));
      connect(buttonCharge, TQT_SIGNAL(iconChanged(TQString)), this, TQT_SLOT(configChanged()));


      int num_batteries;
      TQStringList battery_names, battery_states, battery_values;
      laptop_portable::get_battery_status(num_batteries, battery_names, battery_states, battery_values);
      if (num_batteries > 0) {
	    TQHBoxLayout *hl = new TQHBoxLayout();
	    top_layout->addLayout(hl);

	    TQHGroupBox *hb = new TQHGroupBox(i18n("Current Battery Status"), this);
	    for (int i = 0; i < num_batteries; i++) {

		TQWidget *wp;
		if (num_batteries == 1) {
			wp = new TQWidget(hb);
		} else {
			wp = new TQVGroupBox(battery_names[i], hb);
		}
	    	TQVBoxLayout *vb = new TQVBoxLayout(wp);

		TQLabel *l;

		l = new TQLabel(wp);					// icon indicating state
		vb->addWidget(l);
		batt_label_1.append(l);

		l = new TQLabel(TQString(""), wp);
		vb->addWidget(l);
		batt_label_2.append(l);

		l = new TQLabel(TQString(""), wp);
		vb->addWidget(l);
		batt_label_3.append(l);
	    }	
	    hl->addWidget(hb);
	    hl->addStretch(1);
            (void)startTimer(30*1000);	// update 2x every minute
      }

      // TODO: remove linefeed from string, can't do it right now coz we have a string freeze
      TQLabel* explain = new KRichTextLabel( i18n("This panel controls whether the battery status monitor\nappears in the system tray and what it looks like.").replace("\n"," "), this);
      top_layout->addWidget(explain, 0);
      laptop_portable::extra_config(this, config, top_layout);
    }

    top_layout->addStretch(1);
    startMonitor = new TQPushButton( i18n("&Start Battery Monitor"), this);
    connect(startMonitor, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotStartMonitor()));
    top_layout->addWidget( startMonitor, 0, Qt::AlignRight );

    load();
}

BatteryConfig::~BatteryConfig()
{
  delete instance;
  delete config;
}


void BatteryConfig::save()
{
        enablemonitor = runMonitor->isChecked();
        showlevel = showLevel->isChecked();
        useblanksaver = blankSaver->isChecked();
        notifyme = notifyMe->isChecked();

        if (apm) {
                poll_time = editPoll->value();
                nobattery =  buttonNoBattery->icon();
                chargebattery =  buttonCharge->icon();
                nochargebattery =  buttonNoCharge->icon();
        }
        config->setGroup("BatteryDefault");

        config->writeEntry("Enable", enablemonitor);
        config->writeEntry("ShowLevel", showlevel);
        config->writeEntry("NotifyMe", notifyme);
        config->writeEntry("BlankSaver", useblanksaver);
        config->writeEntry("Poll", poll_time);
        config->writeEntry("NoBatteryPixmap", nobattery);
        config->writeEntry("ChargePixmap", chargebattery);
        config->writeEntry("NoChargePixmap", nochargebattery);
	config->sync();
        changed(false);
	wake_laptop_daemon();
}

void BatteryConfig::load()
{
	load( false );
}

void BatteryConfig::load(bool useDefaults)
{
        config->setReadDefaults( useDefaults );
        config->setGroup("BatteryDefault");

        poll_time = config->readNumEntry("Poll", 20);
        enablemonitor = config->readBoolEntry("Enable", true);
        showlevel = config->readBoolEntry("ShowLevel", false);
        notifyme = config->readBoolEntry("NotifyMe", false);
        useblanksaver = config->readBoolEntry("BlankSaver", false);

        nobattery = config->readEntry("NoBatteryPixmap", "laptop_nobattery");
        nochargebattery = config->readEntry("NoChargePixmap", "laptop_nocharge");
        chargebattery = config->readEntry("ChargePixmap", "laptop_charge");

        runMonitor->setChecked(enablemonitor);
        showLevel->setChecked(showlevel);
	blankSaver->setChecked(useblanksaver);
	notifyMe->setChecked(notifyme);
        if (apm) {
                editPoll->setValue(poll_time);
                buttonNoCharge->setIcon(nochargebattery);
                buttonCharge->setIcon(chargebattery);
	        buttonNoBattery->setIcon(nobattery);
        }
        battery_pm = SmallIcon(nochargebattery, 20, KIcon::DefaultState, instance);
        battery_nopm = SmallIcon(nobattery, 20, KIcon::DefaultState, instance);
        emit changed(useDefaults);
	BatteryStateUpdate();
}

void BatteryConfig::defaults()
{
	load( true );
}

void BatteryConfig::runMonitorChanged()
{
    showLevel->setEnabled (runMonitor->isChecked());
}

void BatteryConfig::configChanged()
{
  emit changed(true);
}


TQString BatteryConfig::quickHelp() const
{
  return i18n("<h1>Laptop Battery</h1>This module allows you to monitor "
	"your batteries. To make use of this module, you must have power management system software "
	"installed. (And, of course, you should have batteries in your machine.)");
}


void BatteryConfig::slotStartMonitor()
{
	wake_laptop_daemon();
	if (!enablemonitor) {
		KMessageBox::information(0, i18n("<qt>The battery monitor has been started, but the tray icon is currently disabled.  You can make it appear by selecting the <b>Show battery monitor</b> entry on this page and applying your changes.</qt>"), TQString::null, "howToEnableMonitor");
	}
}

void
BatteryConfig::ConvertIcon(int percent, TQPixmap &pm, TQPixmap &result)
{
	TQImage image = pm.convertToImage();

	int w = image.width();
	int h = image.height();
	int count = 0;
	QRgb rgb;
	int x, y;
	for (x = 0; x < w; x++)
	for (y = 0; y < h; y++) {
		rgb = image.pixel(x, y);
		if (qRed(rgb) == 0xff &&
		    qGreen(rgb) == 0xff &&
		    qBlue(rgb) == 0xff)
			count++;
	}
	int c = (count*percent)/100;
	if (percent == 100) {
		c = count;
	} else
	if (percent != 100 && c == count)
		c = count-1;


	if (c) {
		uint ui;
		QRgb blue = qRgb(0x00,0x00,0xff);

		if (image.depth() <= 8) {
			ui = image.numColors();		// this fix thanks to Sven Krumpke
			image.setNumColors(ui+1);
			image.setColor(ui, blue);
		} else {
			ui = 0xff000000|blue;
		}

		for (y = h-1; y >= 0; y--)
		for (x = 0; x < w; x++) {
			rgb = image.pixel(x, y);
			if (qRed(rgb) == 0xff &&
		    	    qGreen(rgb) == 0xff &&
		    	    qBlue(rgb) == 0xff) {
				image.setPixel(x, y, ui);
				c--;
				if (c <= 0)
					goto quit;
			}
		}
	}
quit:

	result.convertFromImage(image);
}

void
BatteryConfig::BatteryStateUpdate()
{
    int num_batteries;
    TQStringList battery_names, battery_states, battery_values;
    laptop_portable::get_battery_status(num_batteries, battery_names, battery_states, battery_values);
    if (num_batteries > 0) {
	    for (int i = 0; i < num_batteries; i++) {
		if (battery_states[i] == "yes") {
			TQPixmap result;
			ConvertIcon(battery_values[i].toInt(), battery_pm, result);
			batt_label_1.at(i)->setPixmap(result);

			batt_label_2.at(i)->setText(battery_values[i]+"%");

			batt_label_3.at(i)->setText(i18n("Present"));
		} else {
			batt_label_1.at(i)->setPixmap(battery_nopm);

			batt_label_2.at(i)->setText("");

			batt_label_3.at(i)->setText(i18n("Not present"));
		}
	    }	
    }
}

void BatteryConfig::iconChanged()
{
    nobattery =  buttonNoBattery->icon();
    nochargebattery =  buttonNoCharge->icon();
    battery_pm = SmallIcon(nochargebattery, 20, KIcon::DefaultState, instance);
    battery_nopm = SmallIcon(nobattery, 20, KIcon::DefaultState, instance);
    emit changed(true);
    BatteryStateUpdate();
}

void BatteryConfig::timerEvent(TQTimerEvent *)
{
    BatteryStateUpdate();
}

#include "battery.moc"