Differential D15987 Diff 42982 krusader/DiskUsage/radialMap/widget.cpp

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krusader/DiskUsage/radialMap/widget.cpp

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35#include <KWidgetsAddons/KCursor> //ctor 35​#include <KWidgetsAddons/KCursor> //ctor
36 36​
37#include "fileTree.h" 37​#include "fileTree.h"
38#include "Config.h" 38​#include "Config.h"
39#include "radialMap.h" //constants 39​#include "radialMap.h" //constants
40 40​
41RadialMap::Widget::Widget(QWidget *parent) 41​RadialMap::Widget::Widget(QWidget *parent)
42 : QWidget(parent) 42​ : QWidget(parent)
43 , m_tree(0) 43​ , m_tree(nullptr)
44 , m_focus(0) 44​ , m_focus(nullptr)
45 , m_tip(QFontMetrics(font()).height()) //needs to know cursor height 45​ , m_tip(QFontMetrics(font()).height()) //needs to know cursor height
46 , m_rootSegment(0) //TODO we don't delete it, *shrug* 46​ , m_rootSegment(nullptr) //TODO we don't delete it, *shrug*
47{ 47​{
48 QPalette pal = palette(); 48​ QPalette pal = palette();
49 pal.setColor(backgroundRole(), Qt::white); 49​ pal.setColor(backgroundRole(), Qt::white);
50 setPalette(pal); 50​ setPalette(pal);
51 51​
52 connect(this, SIGNAL(created(const Directory*)), SLOT(sendFakeMouseEvent())); 52​ connect(this, SIGNAL(created(const Directory*)), SLOT(sendFakeMouseEvent()));
53 connect(this, SIGNAL(created(const Directory*)), SLOT(update())); 53​ connect(this, SIGNAL(created(const Directory*)), SLOT(update()));
54 connect(&m_timer, SIGNAL(timeout()), SLOT(resizeTimeout())); 54​ connect(&m_timer, SIGNAL(timeout()), SLOT(resizeTimeout()));
55} 55​}
56 56​
57QString 57​QString
58RadialMap::Widget::path() const 58​RadialMap::Widget::path() const
59{ 59​{
60 if (m_tree == 0) 60​ if (m_tree == nullptr)
61 return QString(); 61​ return QString();
62 return m_tree->fullPath(); 62​ return m_tree->fullPath();
63} 63​}
64 64​
65QUrl 65​QUrl
66RadialMap::Widget::url(File const * const file) const 66​RadialMap::Widget::url(File const * const file) const
67{ 67​{
68 if (file == 0 && m_tree == 0) 68​ if (file == nullptr && m_tree == nullptr)
69 return QUrl(); 69​ return QUrl();
70 70​
71 return QUrl::fromLocalFile(file ? file->fullPath() : m_tree->fullPath()); 71​ return QUrl::fromLocalFile(file ? file->fullPath() : m_tree->fullPath());
72} 72​}
73 73​
74void 74​void
75RadialMap::Widget::invalidate(const bool b) 75​RadialMap::Widget::invalidate(const bool b)
76{ 76​{
77 if (isValid()) { 77​ if (isValid()) {
78 //**** have to check that only way to invalidate is this function frankly 78​ //**** have to check that only way to invalidate is this function frankly
79 //**** otherwise you may get bugs.. 79​ //**** otherwise you may get bugs..
80 80​
81 //disable mouse tracking 81​ //disable mouse tracking
82 setMouseTracking(false); 82​ setMouseTracking(false);
83 83​
84 QUrl urlInv = url(); 84​ QUrl urlInv = url();
85 85​
86 //ensure this class won't think we have a map still 86​ //ensure this class won't think we have a map still
87 m_tree = 0; 87​ m_tree = nullptr;
88 m_focus = 0; 88​ m_focus = nullptr;
89 89​
90 delete m_rootSegment; 90​ delete m_rootSegment;
91 m_rootSegment = 0; 91​ m_rootSegment = nullptr;
92 92​
93 //FIXME move this disablement thing no? 93​ //FIXME move this disablement thing no?
94 // it is confusing in other areas, like the whole createFromCache() thing 94​ // it is confusing in other areas, like the whole createFromCache() thing
95 m_map.invalidate(b); //b signifies whether the pixmap is made to look disabled or not 95​ m_map.invalidate(b); //b signifies whether the pixmap is made to look disabled or not
96 if (b) 96​ if (b)
97 update(); 97​ update();
98 98​
99 //tell rest of Filelight 99​ //tell rest of Filelight
100 emit invalidated(urlInv); 100​ emit invalidated(urlInv);
101 } 101​ }
102} 102​}
103 103​
104void 104​void
105RadialMap::Widget::create(const Directory *tree) 105​RadialMap::Widget::create(const Directory *tree)
106{ 106​{
107 //it is not the responsibility of create() to invalidate first 107​ //it is not the responsibility of create() to invalidate first
108 //skip invalidation at your own risk 108​ //skip invalidation at your own risk
109 109​
110 //FIXME make it the responsibility of create to invalidate first 110​ //FIXME make it the responsibility of create to invalidate first
111 111​
112 if (tree) { 112​ if (tree) {
113 m_focus = 0; 113​ m_focus = nullptr;
114 //generate the filemap image 114​ //generate the filemap image
115 m_map.make(tree); 115​ m_map.make(tree);
116 116​
117 //this is the inner circle in the center 117​ //this is the inner circle in the center
118 m_rootSegment = new Segment(tree, 0, 16*360); 118​ m_rootSegment = new Segment(tree, 0, 16*360);
119 119​
120 setMouseTracking(true); 120​ setMouseTracking(true);
121 } 121​ }
Show All 19 Lines139{
141 QApplication::sendEvent(this, &me); 141​ QApplication::sendEvent(this, &me);
142} 142​}
143 143​
144void 144​void
145RadialMap::Widget::resizeTimeout() //slot 145​RadialMap::Widget::resizeTimeout() //slot
146{ 146​{
147 // the segments are about to erased! 147​ // the segments are about to erased!
148 // this was a horrid bug, and proves the OO programming should be obeyed always! 148​ // this was a horrid bug, and proves the OO programming should be obeyed always!
149 m_focus = 0; 149​ m_focus = nullptr;
150 if (m_tree) 150​ if (m_tree)
151 m_map.make(m_tree, true); 151​ m_map.make(m_tree, true);
152 update(); 152​ update();
153} 153​}
154 154​
155void 155​void
156RadialMap::Widget::refresh(int filth) 156​RadialMap::Widget::refresh(int filth)
157{ 157​{
158 //TODO consider a more direct connection 158​ //TODO consider a more direct connection
159 159​
160 if (!m_map.isNull()) { 160​ if (!m_map.isNull()) {
161 switch (filth) { 161​ switch (filth) {
162 case 1: 162​ case 1:
163 m_focus = 0; 163​ m_focus = nullptr;
164 if (m_tree) 164​ if (m_tree)
165 m_map.make(m_tree, true); //true means refresh only 165​ m_map.make(m_tree, true); //true means refresh only
166 break; 166​ break;
167 167​
168 case 2: 168​ case 2:
169 m_map.aaPaint(); 169​ m_map.aaPaint();
170 break; 170​ break;
171 171​
Show All 9 Lines
181 update(); 181​ update();
182 } 182​ }
183} 183​}
184 184​
185void 185​void
186RadialMap::Widget::zoomIn() //slot 186​RadialMap::Widget::zoomIn() //slot
187{ 187​{
188 if (m_map.m_visibleDepth > MIN_RING_DEPTH) { 188​ if (m_map.m_visibleDepth > MIN_RING_DEPTH) {
189 m_focus = 0; 189​ m_focus = nullptr;
190 --m_map.m_visibleDepth; 190​ --m_map.m_visibleDepth;
191 if (m_tree) 191​ if (m_tree)
192 m_map.make(m_tree); 192​ m_map.make(m_tree);
193 Config::defaultRingDepth = m_map.m_visibleDepth; 193​ Config::defaultRingDepth = m_map.m_visibleDepth;
194 update(); 194​ update();
195 } 195​ }
196} 196​}
197 197​
198void 198​void
199RadialMap::Widget::zoomOut() //slot 199​RadialMap::Widget::zoomOut() //slot
200{ 200​{
201 m_focus = 0; 201​ m_focus = nullptr;
202 ++m_map.m_visibleDepth; 202​ ++m_map.m_visibleDepth;
203 if (m_tree) 203​ if (m_tree)
204 m_map.make(m_tree); 204​ m_map.make(m_tree);
205 if (m_map.m_visibleDepth > Config::defaultRingDepth) 205​ if (m_map.m_visibleDepth > Config::defaultRingDepth)
206 Config::defaultRingDepth = m_map.m_visibleDepth; 206​ Config::defaultRingDepth = m_map.m_visibleDepth;
207 update(); 207​ update();
208} 208​}
209 209​
210 210​
211RadialMap::Segment::~Segment() 211​RadialMap::Segment::~Segment()
212{ 212​{
213 if (isFake()) 213​ if (isFake())
214 delete m_file; //created by us in Builder::build() 214​ delete m_file; //created by us in Builder::build()
215} 215​}
216 216​