src/kits/interface/ToolTip.cpp

   1 /*
   2  * Copyright 2009, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <ToolTip.h>
   8
   9 #include <new>
  10
  11 #include <Message.h>
  12 #include <TextView.h>
  13 #include <ToolTipManager.h>
  14
  15
  16 BToolTip::BToolTip()
  17 {
  18         _InitData();
  19 }
  20
  21
  22 BToolTip::BToolTip(BMessage* archive)
  23 {
  24         _InitData();
  25
  26         bool sticky;
  27         if (archive->FindBool("sticky", &sticky) == B_OK)
  28                 fIsSticky = sticky;
  29
  30         // TODO!
  31 }
  32
  33
  34 BToolTip::~BToolTip()
  35 {
  36 }
  37
  38
  39 status_t
  40 BToolTip::Archive(BMessage* archive, bool deep) const
  41 {
  42         status_t status = BArchivable::Archive(archive, deep);
  43
  44         if (fIsSticky)
  45                 status = archive->AddBool("sticky", fIsSticky);
  46
  47         // TODO!
  48         return status;
  49 }
  50
  51
  52 void
  53 BToolTip::SetSticky(bool enable)
  54 {
  55         fIsSticky = enable;
  56 }
  57
  58
  59 bool
  60 BToolTip::IsSticky() const
  61 {
  62         return fIsSticky;
  63 }
  64
  65
  66 void
  67 BToolTip::SetMouseRelativeLocation(BPoint location)
  68 {
  69         fRelativeLocation = location;
  70 }
  71
  72
  73 BPoint
  74 BToolTip::MouseRelativeLocation() const
  75 {
  76         return fRelativeLocation;
  77 }
  78
  79
  80 void
  81 BToolTip::SetAlignment(BAlignment alignment)
  82 {
  83         fAlignment = alignment;
  84 }
  85
  86
  87 BAlignment
  88 BToolTip::Alignment() const
  89 {
  90         return fAlignment;
  91 }
  92
  93
  94 void
  95 BToolTip::AttachedToWindow()
  96 {
  97 }
  98
  99
 100 void
 101 BToolTip::DetachedFromWindow()
 102 {
 103 }
 104
 105
 106 bool
 107 BToolTip::Lock()
 108 {
 109         bool lockedLooper;
 110         while (true) {
 111                 lockedLooper = View()->LockLooper();
 112                 if (!lockedLooper) {
 113                         BToolTipManager* manager = BToolTipManager::Manager();
 114                         manager->Lock();
 115
 116                         if (View()->Window() != NULL) {
 117                                 manager->Unlock();
 118                                 continue;
 119                         }
 120                 }
 121                 break;
 122         }
 123
 124         fLockedLooper = lockedLooper;
 125         return true;
 126 }
 127
 128
 129 void
 130 BToolTip::Unlock()
 131 {
 132         if (fLockedLooper)
 133                 View()->UnlockLooper();
 134         else
 135                 BToolTipManager::Manager()->Unlock();
 136 }
 137
 138
 139 void
 140 BToolTip::_InitData()
 141 {
 142         fIsSticky = false;
 143         fRelativeLocation = BPoint(20, 20);
 144         fAlignment = BAlignment(B_ALIGN_RIGHT, B_ALIGN_BOTTOM);
 145 }
 146
 147
 148 //      #pragma mark -
 149
 150
 151 BTextToolTip::BTextToolTip(const char* text)
 152 {
 153         _InitData(text);
 154 }
 155
 156
 157 BTextToolTip::BTextToolTip(BMessage* archive)
 158 {
 159         // TODO!
 160 }
 161
 162
 163 BTextToolTip::~BTextToolTip()
 164 {
 165         delete fTextView;
 166 }
 167
 168
 169 /*static*/ BTextToolTip*
 170 BTextToolTip::Instantiate(BMessage* archive)
 171 {
 172         if (!validate_instantiation(archive, "BTextToolTip"))
 173                 return NULL;
 174
 175         return new(std::nothrow) BTextToolTip(archive);
 176 }
 177
 178
 179 status_t
 180 BTextToolTip::Archive(BMessage* archive, bool deep) const
 181 {
 182         status_t status = BToolTip::Archive(archive, deep);
 183         // TODO!
 184
 185         return status;
 186 }
 187
 188
 189 BView*
 190 BTextToolTip::View() const
 191 {
 192         return fTextView;
 193 }
 194
 195
 196 const char*
 197 BTextToolTip::Text() const
 198 {
 199         return fTextView->Text();
 200 }
 201
 202
 203 void
 204 BTextToolTip::SetText(const char* text)
 205 {
 206         if (!Lock())
 207                 return;
 208
 209         fTextView->SetText(text);
 210         fTextView->InvalidateLayout();
 211
 212         Unlock();
 213 }
 214
 215
 216 void
 217 BTextToolTip::_InitData(const char* text)
 218 {
 219         fTextView = new BTextView("tool tip text");
 220         fTextView->SetText(text);
 221         fTextView->MakeEditable(false);
 222         fTextView->SetViewColor(ui_color(B_TOOL_TIP_BACKGROUND_COLOR));
 223         rgb_color color = ui_color(B_TOOL_TIP_TEXT_COLOR);
 224         fTextView->SetFontAndColor(NULL, 0, &color);
 225         fTextView->SetWordWrap(false);
 226 }
 227