Qt 4.8
qwsproperty_qws.cpp
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41 
42 #include "qwsproperty_qws.h"
43 
44 #ifndef QT_NO_QWS_PROPERTIES
45 #include "qwscommand_qws_p.h"
46 #include "qwindowsystem_qws.h"
47 #include "qhash.h"
48 #include "qalgorithms.h"
49 #include "qbytearray.h"
50 
51 #include <stdio.h>
52 
54 
56 public:
57  QByteArray find(int winId, int property)
58  {
59  return properties.value(winId).value(property);
60  }
61 
63  PropertyHash properties;
64 };
65 
66 /*********************************************************************
67  *
68  * Class: QWSPropertyManager
69  *
70  *********************************************************************/
71 
73 {
74  d = new Data;
75 }
76 
78 {
79  delete d;
80 }
81 
82 bool QWSPropertyManager::setProperty(int winId, int property, int mode, const char *data, int len)
83 {
84  QHash<int, QByteArray> props = d->properties.value(winId);
85  QHash<int, QByteArray>::iterator it = props.find(property);
86  if (it == props.end())
87  return false;
88 
89  switch (mode) {
90  case PropReplace:
91  d->properties[winId][property] = QByteArray(data, len);
92  break;
93  case PropAppend:
94  d->properties[winId][property].append(data);
95  break;
96  case PropPrepend:
97  d->properties[winId][property].prepend(data);
98  break;
99  }
100  return true;
101 }
102 
104 {
105  return d->properties.value(winId).contains(property);
106 }
107 
109 {
111  if (it == d->properties.end())
112  return false;
113  return d->properties[winId].remove( property );
114 }
115 
117 {
118  if( !d->properties[winId].contains(property) )
119  d->properties[winId][property] = QByteArray(); // only add if it doesn't exist
120  return true;
121 }
122 
123 bool QWSPropertyManager::getProperty(int winId, int property, const char *&data, int &len)
124 {
125  QHash<int, QByteArray> props = d->properties.value(winId);
126  QHash<int, QByteArray>::iterator it = props.find(property);
127  if (it == props.end()) {
128  data = 0;
129  len = -1;
130  return false;
131  }
132  data = it.value().constData();
133  len = it.value().length();
134 
135  return true;
136 }
137 
139 {
140  return d->properties.remove(winId);
141 }
142 
144 
145 #endif //QT_NO_QWS_PROPERTIES
QHash< int, QHash< int, QByteArray > > PropertyHash
bool removeProperty(int winId, int property)
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
int remove(const Key &key)
Removes all the items that have the key from the hash.
Definition: qhash.h:784
#define it(className, varName)
The QByteArray class provides an array of bytes.
Definition: qbytearray.h:135
bool removeProperties(int winId)
The QHash class is a template class that provides a hash-table-based dictionary.
Definition: qdatastream.h:66
bool contains(const Key &key) const
Returns true if the hash contains an item with the key; otherwise returns false.
Definition: qhash.h:872
const T value(const Key &key) const
Returns the value associated with the key.
Definition: qhash.h:606
bool addProperty(int winId, int property)
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QByteArray find(int winId, int property)
bool hasProperty(int winId, int property)
static const char * data(const QByteArray &arr)
int length() const
Same as size().
Definition: qbytearray.h:356
const char * constData() const
Returns a pointer to the data stored in the byte array.
Definition: qbytearray.h:433
iterator end()
Returns an STL-style iterator pointing to the imaginary item after the last item in the hash...
Definition: qhash.h:467
const char * property
Definition: qwizard.cpp:138
bool getProperty(int winId, int property, const char *&data, int &len)
iterator find(const Key &key)
Returns an iterator pointing to the item with the key in the hash.
Definition: qhash.h:865
bool setProperty(int winId, int property, int mode, const char *data, int len)