You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
268 lines
11 KiB
268 lines
11 KiB
/* 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.
|
|
*/
|
|
|
|
#ifndef KEXIUTILS_UTILS_H
|
|
#define KEXIUTILS_UTILS_H
|
|
|
|
#include "kexiutils_export.h"
|
|
|
|
#include <tqguardedptr.h>
|
|
#include <tqobjectlist.h>
|
|
#include <kmimetype.h>
|
|
class TQColor;
|
|
|
|
//! @short General Utils
|
|
namespace KexiUtils
|
|
{
|
|
//! \return true if \a o has parent \a par.
|
|
inline bool hasParent(TQObject* par, TQObject* o)
|
|
{
|
|
if (!o || !par)
|
|
return false;
|
|
while (o && o!=par)
|
|
o = o->parent();
|
|
return o==par;
|
|
}
|
|
|
|
//! \return parent object of \a o that inherits \a className or NULL if no such parent
|
|
template<class type>
|
|
inline type* findParent(TQT_BASE_OBJECT_NAME* o, const char* className)
|
|
{
|
|
if (!o || !className || className[0]=='\0')
|
|
return 0;
|
|
while ( ((o=TQT_TQOBJECT(o)->parent())) && !TQT_TQOBJECT(o)->inherits(className) )
|
|
;
|
|
return static_cast<type*>(o);
|
|
}
|
|
|
|
//! Const version of findParent()
|
|
template<class type>
|
|
inline const type* findParentConst(const TQObject* const o, const char* className)
|
|
{
|
|
const TQObject * obj = o;
|
|
if (!obj || !className || className[0]=='\0')
|
|
return 0;
|
|
while ( ((obj=obj->parent())) && !obj->inherits(className) )
|
|
;
|
|
return static_cast<const type*>(obj);
|
|
}
|
|
|
|
/*! \return first found child of \a o, inheriting \a className.
|
|
If objName is 0 (the default), all object names match.
|
|
Returned pointer type is casted. */
|
|
template<class type>
|
|
type* findFirstChild(TQT_BASE_OBJECT_NAME *o, const char* className, const char* objName = 0)
|
|
{
|
|
if (!o || !className || className[0]=='\0')
|
|
return 0;
|
|
TQObjectList *l = TQT_TQOBJECT(o)->queryList( className, objName );
|
|
TQT_BASE_OBJECT_NAME *result = l->first();
|
|
delete l;
|
|
return static_cast<type*>(result);
|
|
}
|
|
|
|
//! TQDateTime - a hack needed because TQVariant(TQTime) has broken isNull()
|
|
inline TQDateTime stringToHackedTQTime(const TQString& s)
|
|
{
|
|
if (s.isEmpty())
|
|
return TQDateTime();
|
|
// kdDebug() << TQDateTime( TQDate(0,1,2), TQTime::fromString( s, Qt::ISODate ) ).toString(Qt::ISODate) << endl;;
|
|
return TQDateTime( TQDate(0,1,2), TQTime::fromString( s, Qt::ISODate ) );
|
|
}
|
|
|
|
/*! Sets "wait" cursor with 1 second delay (or 0 seconds if noDelay is true).
|
|
Does nothing if the application has no GUI enabled. (see TDEApplication::guiEnabled()) */
|
|
KEXIUTILS_EXPORT void setWaitCursor(bool noDelay = false);
|
|
|
|
/*! Remove "wait" cursor previously set with \a setWaitCursor(),
|
|
even if it's not yet visible.
|
|
Does nothing if the application has no GUI enabled. (see TDEApplication::guiEnabled()) */
|
|
KEXIUTILS_EXPORT void removeWaitCursor();
|
|
|
|
/*! Helper class. Allocate it in your code block as follows:
|
|
<code>
|
|
KexiUtils::WaitCursor wait;
|
|
</code>
|
|
.. and wait cursor will be visible (with one second delay) until you're in this block, without
|
|
a need to call removeWaitCursor() before exiting the block.
|
|
Does nothing if the application has no GUI enabled. (see TDEApplication::guiEnabled()) */
|
|
class KEXIUTILS_EXPORT WaitCursor
|
|
{
|
|
public:
|
|
WaitCursor(bool noDelay = false);
|
|
~WaitCursor();
|
|
};
|
|
|
|
/*! Helper class. Allocate it in your code block as follows:
|
|
<code>
|
|
KexiUtils::WaitCursorRemover remover;
|
|
</code>
|
|
.. and the wait cursor will be hidden unless you leave this block, without
|
|
a need to call setWaitCursor() before exiting the block. After leaving the codee block,
|
|
the cursor will be visible again, if it was visible before creating the WaitCursorRemover object.
|
|
Does nothing if the application has no GUI enabled. (see TDEApplication::guiEnabled()) */
|
|
class KEXIUTILS_EXPORT WaitCursorRemover
|
|
{
|
|
public:
|
|
WaitCursorRemover();
|
|
~WaitCursorRemover();
|
|
private:
|
|
bool m_reactivateCursor : 1;
|
|
};
|
|
|
|
/*! \return filter string in TQFileDialog format for a mime type pointed by \a mime
|
|
If \a kdeFormat is true, TQFileDialog-compatible filter string is generated,
|
|
eg. "Image files (*.png *.xpm *.jpg)", otherwise KFileDialog -compatible
|
|
filter string is generated, eg. "*.png *.xpm *.jpg|Image files (*.png *.xpm *.jpg)".
|
|
"\\n" is appended if \a kdeFormat is true, otherwise ";;" is appended. */
|
|
KEXIUTILS_EXPORT TQString fileDialogFilterString(const KMimeType::Ptr& mime, bool kdeFormat = true);
|
|
|
|
/*! @overload TQString fileDialogFilterString(const KMimeType::Ptr& mime, bool kdeFormat = true) */
|
|
KEXIUTILS_EXPORT TQString fileDialogFilterString(const TQString& mimeString, bool kdeFormat = true);
|
|
|
|
/*! Like TQString fileDialogFilterString(const KMimeType::Ptr& mime, bool kdeFormat = true)
|
|
but returns a list of filter strings. */
|
|
KEXIUTILS_EXPORT TQString fileDialogFilterStrings(const TQStringList& mimeStrings, bool kdeFormat);
|
|
|
|
/*! \return a color being a result of blending \a c1 with \a c2 with \a factor1
|
|
and \a factor1 factors: (c1*factor1+c2*factor2)/(factor1+factor2). */
|
|
KEXIUTILS_EXPORT TQColor blendedColors(const TQColor& c1, const TQColor& c2, int factor1 = 1, int factor2 = 1);
|
|
|
|
/*! \return a contrast color for a color \a c:
|
|
If \a c is light color, darker color created using c.dark(200) is returned;
|
|
otherwise lighter color created using c.light(200) is returned. */
|
|
KEXIUTILS_EXPORT TQColor contrastColor(const TQColor& c);
|
|
|
|
/*! \return a lighter color for a color \a c and a factor \a factor.
|
|
For colors like TQt::red or TQt::green where hue and saturation are near to 255,
|
|
hue is decreased so the result will be more bleached.
|
|
For black color the result is dark gray rather than black. */
|
|
KEXIUTILS_EXPORT TQColor bleachedColor(const TQColor& c, int factor);
|
|
|
|
/*! \return icon set computed as a result of colorizing \a icon pixmap with "buttonText"
|
|
color of \a palette palette. This function is useful for displaying monochromed icons
|
|
on the list view or table view header, to avoid bloat, but still have the color compatible
|
|
with accessibility settings. */
|
|
KEXIUTILS_EXPORT TQIconSet colorizeIconToTextColor(const TQPixmap& icon, const TQPalette& palette);
|
|
|
|
/*! \return empty (fully transparent) pixmap that can be used as a place for icon of size \a iconGroup */
|
|
KEXIUTILS_EXPORT TQPixmap emptyIcon(KIcon::Group iconGroup);
|
|
|
|
/*! Serializes \a map to \a array.
|
|
KexiUtils::deserializeMap() can be used to deserialize this array back to map. */
|
|
KEXIUTILS_EXPORT void serializeMap(const TQMap<TQString,TQString>& map, const TQByteArray& array);
|
|
KEXIUTILS_EXPORT void serializeMap(const TQMap<TQString,TQString>& map, TQString& string);
|
|
|
|
/*! \return a map deserialized from a byte array \a array.
|
|
\a array need to contain data previously serialized using KexiUtils::serializeMap(). */
|
|
KEXIUTILS_EXPORT TQMap<TQString,TQString> deserializeMap(const TQByteArray& array);
|
|
|
|
/*! \return a map deserialized from \a string.
|
|
\a string need to contain data previously serialized using KexiUtils::serializeMap(). */
|
|
KEXIUTILS_EXPORT TQMap<TQString,TQString> deserializeMap(const TQString& string);
|
|
|
|
/*! \return a valid filename converted from \a string by:
|
|
- replacing \\, /, :, *, ?, ", <, >, |, \n \\t characters with a space
|
|
- simplifing whitespace by removing redundant space characters using TQString::simplifyWhiteSpace()
|
|
Do not pass full paths here, but only filename strings. */
|
|
KEXIUTILS_EXPORT TQString stringToFileName(const TQString& string);
|
|
|
|
/*! Performs a simple \a string encryption using rot47-like algorithm.
|
|
Each character's unicode value is increased by 47 + i (where i is index of the character).
|
|
The resulting string still contains redable characters.
|
|
Do not use this for data that can be accessed by attackers! */
|
|
KEXIUTILS_EXPORT void simpleCrypt(TQString& string);
|
|
|
|
/*! Performs a simple \a string decryption using rot47-like algorithm,
|
|
using opposite operations to KexiUtils::simpleCrypt(). */
|
|
KEXIUTILS_EXPORT void simpleDecrypt(TQString& string);
|
|
|
|
#ifdef KEXI_DEBUG_GUI
|
|
//! Creates debug window for convenient debugging output
|
|
KEXIUTILS_EXPORT TQWidget *createDebugWindow(TQWidget *parent);
|
|
|
|
//! Adds debug line for for KexiDB database
|
|
KEXIUTILS_EXPORT void addKexiDBDebug(const TQString& text);
|
|
|
|
//! Adds debug line for for Table Designer (Alter Table actions)
|
|
KEXIUTILS_EXPORT void addAlterTableActionDebug(const TQString& text, int nestingLevel = 0);
|
|
|
|
//! Connects push button action to \a receiver and its \a slot. This allows to execute debug-related actions
|
|
//! using buttons displayed in the debug window.
|
|
KEXIUTILS_EXPORT void connectPushButtonActionForDebugWindow(const char* actionName,
|
|
const TQObject *receiver, const char* slot);
|
|
#endif
|
|
|
|
//! Draws pixmap on painter \a p using predefined parameters.
|
|
//! Used in KexiDBImageBox and KexiBlobTableEdit.
|
|
KEXIUTILS_EXPORT void drawPixmap( TQPainter& p, int lineWidth, const TQRect& rect,
|
|
const TQPixmap& pixmap, int alignment, bool scaledContents, bool keepAspectRatio);
|
|
|
|
//! @internal
|
|
KEXIUTILS_EXPORT TQString ptrToStringInternal(void* ptr, uint size);
|
|
//! @internal
|
|
KEXIUTILS_EXPORT void* stringToPtrInternal(const TQString& str, uint size);
|
|
|
|
//! \return a pointer \a ptr safely serialized to string
|
|
template<class type>
|
|
TQString ptrToString(type *ptr)
|
|
{
|
|
return ptrToStringInternal(ptr, sizeof(type*));
|
|
}
|
|
|
|
//! \return a pointer of type \a type safely deserialized from \a str
|
|
template<class type>
|
|
type* stringToPtr(const TQString& str)
|
|
{
|
|
return static_cast<type*>( stringToPtrInternal(str, sizeof(type*)) );
|
|
}
|
|
|
|
//! Sets focus for widget \a widget with reason \a reason.
|
|
KEXIUTILS_EXPORT void setFocusWithReason(TQWidget* widget, TQFocusEvent::Reason reason);
|
|
|
|
//! Unsets focus for widget \a widget with reason \a reason.
|
|
KEXIUTILS_EXPORT void unsetFocusWithReason(TQWidget* widget, TQFocusEvent::Reason reason);
|
|
|
|
//! Used by copyFile()
|
|
enum CopyFileResult {
|
|
CopySuccess = 0,
|
|
CopyReadError = 1,
|
|
CopyWriteError = 2
|
|
};
|
|
|
|
/*!
|
|
Copies @p src file to @p dest file.
|
|
@return CopySuccess on success, CopyReadError on source file error,
|
|
CopyWriteError on destination file error.
|
|
@todo remove: TQFile in TQt4 provides this.
|
|
*/
|
|
KEXIUTILS_EXPORT CopyFileResult copyFile(const TQString& src, const TQString& dest);
|
|
}
|
|
|
|
|
|
//! sometimes we leave a space in the form of empty TQFrame and want to insert here
|
|
//! a widget that must be instantiated by hand.
|
|
//! This macro inserts a widget \a what into a frame \a where.
|
|
#define GLUE_WIDGET(what, where) \
|
|
{ TQVBoxLayout *lyr = new TQVBoxLayout(where); \
|
|
lyr->addWidget(what); }
|
|
|
|
|
|
#endif //KEXIUTILS_UTILS_H
|