summaryrefslogtreecommitdiffstats
path: root/kexi/kexiutils/utils.cpp
blob: dca4998b55a73e12571c3990260773ad2a65f26f (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
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
/* This file is part of the KDE project
   Copyright (C) 2003-2007 Jaroslaw Staniek <js@iidea.pl>

   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; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include "utils.h"
#include "utils_p.h"

#include <tqregexp.h>
#include <tqpainter.h>
#include <tqimage.h>
#include <tqwmatrix.h>
#include <tqiconset.h>
#include <tqbitmap.h>
#include <tqfile.h>

#include <kdebug.h>
#include <kcursor.h>
#include <kapplication.h>
#include <kpixmap.h>
#include <kiconeffect.h>
#include <kpixmapeffect.h>
#include <kiconloader.h>

#if defined(TQ_WS_WIN)
# include <win32_utils.h>
#endif

using namespace KexiUtils;

DelayedCursorHandler::DelayedCursorHandler() 
 : startedOrActive(false)
{
	connect(&timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(show()));
}
void DelayedCursorHandler::start(bool noDelay) {
	startedOrActive = true;
	timer.start(noDelay ? 0 : 1000, true);
}
void DelayedCursorHandler::stop() {
	startedOrActive = false;
	timer.stop();
	TQApplication::restoreOverrideCursor();
}
void DelayedCursorHandler::show() {
	TQApplication::setOverrideCursor( KCursor::waitCursor() );
}

DelayedCursorHandler _delayedCursorHandler;

void KexiUtils::setWaitCursor(bool noDelay) {
	if (kapp->guiEnabled())
		_delayedCursorHandler.start(noDelay);
}
void KexiUtils::removeWaitCursor() {
	if (kapp->guiEnabled())
		_delayedCursorHandler.stop();
}

WaitCursor::WaitCursor(bool noDelay)
{
	setWaitCursor(noDelay);
}

WaitCursor::~WaitCursor()
{
	removeWaitCursor();
}

WaitCursorRemover::WaitCursorRemover()
{
	m_reactivateCursor = _delayedCursorHandler.startedOrActive;
	_delayedCursorHandler.stop();
}

WaitCursorRemover::~WaitCursorRemover()
{
	_delayedCursorHandler.start(true);
}

//--------------------------------------------------------------------------------

TQString KexiUtils::fileDialogFilterString(const KMimeType::Ptr& mime, bool kdeFormat)
{
	if (mime==0)
		return TQString();

	TQString str;
	if (kdeFormat) {
		if (mime->patterns().isEmpty())
			str = "*";
		else
			str = mime->patterns().join(" ");
		str += "|";
	}
	str += mime->comment();
	if (!mime->patterns().isEmpty() || !kdeFormat) {
		str += " (";
		if (mime->patterns().isEmpty())
			str += "*";
		else
			str += mime->patterns().join("; ");
		str += ")";
	}
	if (kdeFormat)
		str += "\n";
	else
		str += ";;";
	return str;
}

TQString KexiUtils::fileDialogFilterString(const TQString& mimeString, bool kdeFormat)
{
	KMimeType::Ptr ptr = KMimeType::mimeType(mimeString);
	return fileDialogFilterString( ptr, kdeFormat );
}

TQString KexiUtils::fileDialogFilterStrings(const TQStringList& mimeStrings, bool kdeFormat)
{
	TQString ret;
	TQStringList::ConstIterator endIt = mimeStrings.constEnd();
	for(TQStringList::ConstIterator it = mimeStrings.constBegin(); it != endIt; ++it)
		ret += fileDialogFilterString(*it, kdeFormat);
	return ret;
}

TQColor KexiUtils::blendedColors(const TQColor& c1, const TQColor& c2, int factor1, int factor2)
{
	return TQColor(
		int( (c1.red()*factor1+c2.red()*factor2)/(factor1+factor2) ),
		int( (c1.green()*factor1+c2.green()*factor2)/(factor1+factor2) ),
		int( (c1.blue()*factor1+c2.blue()*factor2)/(factor1+factor2) ) );
}

TQColor KexiUtils::contrastColor(const TQColor& c)
{
	int g = tqGray( c.rgb() );
	if (g>110)
		return c.dark(200);
	else if (g>80)
		return c.light(150);
	else if (g>20)
		return c.light(300);
	return TQt::gray;
}

TQColor KexiUtils::bleachedColor(const TQColor& c, int factor)
{
	int h, s, v;
	c.getHsv( &h, &s, &v );
	TQColor c2;
	if (factor < 100)
		factor = 100;
	if (s>=250 && v>=250) //for colors like cyan or red, make the result more white
		s = TQMAX(0, s - factor - 50);
	else if (s<=5 && s<=5)
		v += factor-50;
	c2.setHsv(h, s, TQMIN(255,v + factor-100));
	return c2;
}

TQIconSet KexiUtils::colorizeIconToTextColor(const TQPixmap& icon, const TQPalette& palette)
{
	TQPixmap pm(
		KIconEffect().apply( icon, KIconEffect::Colorize, 1.0f, palette.active().buttonText(), false ) );

	KPixmap kpm(pm);
	return TQIconSet(
		KPixmapEffect::fade( kpm, 0.33, palette.active().button() ) );
}

TQPixmap KexiUtils::emptyIcon(KIcon::Group iconGroup)
{
	TQPixmap noIcon( IconSize( iconGroup ), IconSize( iconGroup ) );
	TQBitmap bmpNoIcon(noIcon.size());
	bmpNoIcon.fill(TQt::color0);
	noIcon.setMask(bmpNoIcon);
	return noIcon;
}

void KexiUtils::serializeMap(const TQMap<TQString,TQString>& map, const TQByteArray& array)
{
	TQDataStream ds(array, IO_WriteOnly);
	ds << map;
}

void KexiUtils::serializeMap(const TQMap<TQString,TQString>& map, TQString& string)
{
	TQByteArray array;
	TQDataStream ds(array, IO_WriteOnly);
	ds << map;
	kdDebug() << array[3] << " " << array[4] << " " << array[5] << endl;
	const uint size = array.size();
	string = TQString();
	string.reserve(size);
	for (uint i=0; i<size; i++) {
		string[i]=TQChar(ushort(array[i]+1));
	}
}

TQMap<TQString,TQString> KexiUtils::deserializeMap(const TQByteArray& array)
{
	TQMap<TQString,TQString> map;
	TQDataStream ds(array, IO_ReadOnly);
	ds >> map;
	return map;
}

TQMap<TQString,TQString> KexiUtils::deserializeMap(const TQString& string)
{
	const uint size = string.length();
	TQCString cstr(string.latin1());
	TQByteArray array( size );
	for (uint i=0; i<size; i++) {
		array[i] = char(string[i].unicode()-1);
	}
	TQMap<TQString,TQString> map;
	TQDataStream ds(array, IO_ReadOnly);
	ds >> map;
	return map;
}

TQString KexiUtils::stringToFileName(const TQString& string)
{
	TQString _string(string);
	_string.replace(TQRegExp("[\\\\/:\\*?\"<>|]"), " ");
	return _string.simplifyWhiteSpace();
}

void KexiUtils::simpleCrypt(TQString& string)
{
	for (uint i=0; i<string.length(); i++)
		string[i] = TQChar( string[i].unicode() + 47 + i );
}

void KexiUtils::simpleDecrypt(TQString& string)
{
	for (uint i=0; i<string.length(); i++)
		string[i] = TQChar( string[i].unicode() - 47 - i );
}

void KexiUtils::drawPixmap( TQPainter& p, int lineWidth, const TQRect& rect, 
	const TQPixmap& pixmap, int alignment, bool scaledContents, bool keepAspectRatio)
{
	if (pixmap.isNull())
		return;

	const bool fast = pixmap.width()>1000 && pixmap.height()>800; //fast drawing needed
	const int w = rect.width()-lineWidth-lineWidth;
	const int h = rect.height()-lineWidth-lineWidth;
//! @todo we can optimize drawing by drawing rescaled pixmap here 
//! and performing detailed painting later (using TQTimer)
	TQPixmap pixmapBuffer;
	TQPainter p2;
	TQPainter *target;
	if (fast) {
		target = &p;
	}
	else {
//moved		pixmapBuffer.resize(rect.size()-TQSize(lineWidth, lineWidth));
//moved		p2.begin(&pm, p.device());
		target = &p2;
	}
//! @todo only create buffered pixmap of the minimum size and then do not fillRect()
//	target->fillRect(0,0,rect.width(),rect.height(), backgroundColor);

	TQPoint pos;
	if (scaledContents) {
		if (keepAspectRatio) {
			TQImage img(pixmap.convertToImage());
			img = img.smoothScale(w, h, TQ_ScaleMin);
			pos = rect.topLeft(); //0, 0);
			if (img.width() < w) {
				int hAlign = TQApplication::horizontalAlignment( alignment );
				if ( hAlign & TQt::AlignRight )
					pos.setX(pos.x() + w-img.width());
				else if ( hAlign & TQt::AlignHCenter )
					pos.setX(pos.x() + w/2-img.width()/2);
			}
			else if (img.height() < h) {
				if ( alignment & TQt::AlignBottom )
					pos.setY(pos.y() + h-img.height());
				else if ( alignment & TQt::AlignVCenter )
					pos.setY(pos.y() + h/2-img.height()/2);
			}
			pixmapBuffer.convertFromImage(img);
			if (!fast) {
				p2.begin(TQT_TQPAINTDEVICE(&pixmapBuffer), p.device());
			}
			else
				target->drawPixmap(pos, pixmapBuffer);
		}
		else {
			if (!fast) {
				pixmapBuffer.resize(rect.size()-TQSize(lineWidth, lineWidth));
				p2.begin(TQT_TQPAINTDEVICE(&pixmapBuffer), p.device());
				p2.drawPixmap(TQRect(rect.x(), rect.y(), w, h), pixmap);
			}
			else
				target->drawPixmap(TQRect(rect.x() + lineWidth, rect.y() + lineWidth, w, h), pixmap);
		}
	}
	else {
		int hAlign = TQApplication::horizontalAlignment( alignment );
		if ( hAlign & TQt::AlignRight )
			pos.setX(pos.x() + w-pixmap.width());
		else if ( hAlign & TQt::AlignHCenter )
			pos.setX(pos.x() + w/2-pixmap.width()/2);
		else //left, etc.
			pos.setX(pos.x());

		if ( alignment & TQt::AlignBottom )
			pos.setY(pos.y() + h-pixmap.height());
		else if ( alignment & TQt::AlignVCenter )
			pos.setY(pos.y() + h/2-pixmap.height()/2);
		else //top, etc. 
			pos.setY(pos.y());
//		target->drawPixmap(pos, pixmap);
//		if (!fast)
//			p2.begin(&pixmapBuffer, p.device());
		p.drawPixmap(lineWidth+pos.x(), lineWidth+pos.y(), pixmap);
	}
	if (scaledContents && !fast && p.isActive()) {
		p2.end();
		bitBlt( p.device(), 
//			pos.x(), 
//			pos.y(), 
			(int)p.worldMatrix().dx() + rect.x() + lineWidth + pos.x(), 
			(int)p.worldMatrix().dy() + rect.y() + lineWidth + pos.y(), 
			&pixmapBuffer);
	}
}

TQString KexiUtils::ptrToStringInternal(void* ptr, uint size)
{
	TQString str;
	unsigned char* cstr_ptr = (unsigned char*)&ptr;
	for (uint i=0; i<size; i++) {
		TQString s;
		s.sprintf("%2.2x", cstr_ptr[i]);
		str.append( s );
	}
	return str;
}

void* KexiUtils::stringToPtrInternal(const TQString& str, uint size)
{
	TQByteArray array(size);
	if ((str.length()/2)<size)
		return 0;
	bool ok;
	for (uint i=0; i<size; i++) {
		array[i]=(unsigned char)(str.mid(i*2, 2).toUInt(&ok, 16));
		if (!ok)
			return 0;
	}
	return *(void**)(array.data());
}

void KexiUtils::setFocusWithReason(TQWidget* widget, TQFocusEvent::Reason reason)
{
	TQEvent fe( TQEvent::FocusIn );
	TQT_TQFOCUSEVENT(&fe)->setReason(reason);
	TQApplication::sendEvent( widget, &fe );
	TQT_TQFOCUSEVENT(&fe)->resetReason();
}

void KexiUtils::unsetFocusWithReason(TQWidget* widget, TQFocusEvent::Reason reason)
{
	TQEvent fe( TQEvent::FocusOut );
	TQT_TQFOCUSEVENT(&fe)->setReason(reason);
	TQApplication::sendEvent( widget, &fe );
	TQT_TQFOCUSEVENT(&fe)->resetReason();
}

CopyFileResult KexiUtils::copyFile(const TQString& src, const TQString& dest)
{
#ifdef TQ_WS_WIN
	int res = fcopy( TQFile::encodeName( src ), TQFile::encodeName( dest ) );
	if (res == fcopy_src_err)
		return CopyReadError;
	else if (res == fcopy_dest_err)
		return CopyWriteError;
	
	return CopySuccess;
#else
# define _fcopy_BUFLEN 1024*32
	char _fcopy_buf[_fcopy_BUFLEN];
	FILE *in, *out;
	int c_in=0, c_out=0;
	CopyFileResult res=CopySuccess;
	
	in=fopen(TQFile::encodeName( src ), "rb");
	if (!in)
		return CopyReadError;
	out=fopen(TQFile::encodeName( dest ), "wb");
	if (!out)
		return CopyWriteError;
	while (!feof(in) && !ferror(in) && !ferror(out)) {
		c_in=fread(_fcopy_buf, 1, _fcopy_BUFLEN, in);
		if (ferror(in) || c_in==0)
			break;
		c_out=fwrite(_fcopy_buf, 1, c_in, out);
		if (ferror(out) || c_in!=c_out)
			break;
	}
	
	if (ferror(in))
		res=CopyReadError;
	else if (ferror(out))
		res=CopyWriteError;
	else if (c_in!=c_out)
		res=CopyWriteError;
	fclose(in);
	fclose(out);
	return res;
#endif
}

#include "utils_p.moc"