| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: tooltip.cpp |
| 3 | // Purpose: wxToolTip implementation |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #ifdef __GNUG__ |
| 11 | #pragma implementation "tooltip.h" |
| 12 | #endif |
| 13 | |
| 14 | #include "wx/setup.h" |
| 15 | |
| 16 | #if wxUSE_TOOLTIPS |
| 17 | |
| 18 | #include "wx/app.h" |
| 19 | #include "wx/dc.h" |
| 20 | #include "wx/window.h" |
| 21 | #include "wx/tooltip.h" |
| 22 | #include "wx/timer.h" |
| 23 | #include "wx/geometry.h" |
| 24 | #include "wx/mac/aga.h" |
| 25 | #include "wx/mac/uma.h" |
| 26 | |
| 27 | //----------------------------------------------------------------------------- |
| 28 | // global data |
| 29 | //----------------------------------------------------------------------------- |
| 30 | |
| 31 | class wxMacToolTip |
| 32 | { |
| 33 | public : |
| 34 | wxMacToolTip( ) ; |
| 35 | ~wxMacToolTip() ; |
| 36 | |
| 37 | void Setup( WindowRef window , wxString text , wxPoint localPosition ) ; |
| 38 | long GetMark() { return m_mark ; } |
| 39 | void Draw() ; |
| 40 | void Clear() ; |
| 41 | bool IsShown() { return m_shown ; } |
| 42 | private : |
| 43 | |
| 44 | wxString m_label ; |
| 45 | wxPoint m_position ; |
| 46 | Rect m_rect ; |
| 47 | WindowRef m_window ; |
| 48 | PicHandle m_backpict ; |
| 49 | bool m_shown ; |
| 50 | long m_mark ; |
| 51 | } ; |
| 52 | |
| 53 | class wxMacToolTipTimer : wxTimer |
| 54 | { |
| 55 | public: |
| 56 | wxMacToolTipTimer(wxMacToolTip* tip, int iMilliseconds) ; |
| 57 | |
| 58 | void Notify() |
| 59 | { |
| 60 | if ( m_mark == m_tip->GetMark() ) |
| 61 | m_tip->Draw() ; |
| 62 | |
| 63 | delete this; |
| 64 | } |
| 65 | |
| 66 | protected: |
| 67 | wxMacToolTip* m_tip; |
| 68 | long m_mark ; |
| 69 | }; |
| 70 | |
| 71 | //----------------------------------------------------------------------------- |
| 72 | // wxToolTip |
| 73 | //----------------------------------------------------------------------------- |
| 74 | static long s_ToolTipDelay = 500 ; |
| 75 | static bool s_ShowToolTips = true ; |
| 76 | static wxMacToolTip s_ToolTip ; |
| 77 | static wxWindow* s_LastWindowEntered = NULL ; |
| 78 | static wxRect2DInt s_ToolTipArea ; |
| 79 | static WindowRef s_ToolTipWindowRef = NULL ; |
| 80 | wxToolTip::wxToolTip( const wxString &tip ) |
| 81 | { |
| 82 | m_text = tip; |
| 83 | m_window = (wxWindow*) NULL; |
| 84 | } |
| 85 | |
| 86 | wxToolTip::~wxToolTip() |
| 87 | { |
| 88 | } |
| 89 | |
| 90 | void wxToolTip::SetTip( const wxString &tip ) |
| 91 | { |
| 92 | m_text = tip; |
| 93 | |
| 94 | if ( m_window ) |
| 95 | { |
| 96 | /* |
| 97 | // update it immediately |
| 98 | wxToolInfo ti(GetHwndOf(m_window)); |
| 99 | ti.lpszText = (wxChar *)m_text.c_str(); |
| 100 | |
| 101 | (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti); |
| 102 | */ |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | void wxToolTip::SetWindow( wxWindow *win ) |
| 107 | { |
| 108 | m_window = win; |
| 109 | } |
| 110 | |
| 111 | void wxToolTip::Enable( bool flag ) |
| 112 | { |
| 113 | if ( s_ShowToolTips != flag ) |
| 114 | { |
| 115 | s_ShowToolTips = flag ; |
| 116 | if ( s_ShowToolTips ) |
| 117 | { |
| 118 | } |
| 119 | else |
| 120 | { |
| 121 | s_ToolTip.Clear() ; |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | void wxToolTip::SetDelay( long msecs ) |
| 127 | { |
| 128 | s_ToolTipDelay = msecs ; |
| 129 | } |
| 130 | |
| 131 | void wxToolTip::RelayEvent( wxWindow *win , wxMouseEvent &event ) |
| 132 | { |
| 133 | if ( s_ShowToolTips ) |
| 134 | { |
| 135 | if ( event.GetEventType() == wxEVT_LEAVE_WINDOW ) |
| 136 | { |
| 137 | s_ToolTip.Clear() ; |
| 138 | } |
| 139 | else if (event.GetEventType() == wxEVT_ENTER_WINDOW || event.GetEventType() == wxEVT_MOTION ) |
| 140 | { |
| 141 | wxPoint2DInt where( event.m_x , event.m_y ) ; |
| 142 | if ( s_LastWindowEntered == win && s_ToolTipArea.Contains( where ) ) |
| 143 | { |
| 144 | } |
| 145 | else |
| 146 | { |
| 147 | s_ToolTip.Clear() ; |
| 148 | s_ToolTipArea = wxRect2DInt( event.m_x - 2 , event.m_y - 2 , 4 , 4 ) ; |
| 149 | s_LastWindowEntered = win ; |
| 150 | |
| 151 | WindowRef window = win->GetMacRootWindow() ; |
| 152 | int x = event.m_x ; |
| 153 | int y = event.m_y ; |
| 154 | wxPoint local( x , y ) ; |
| 155 | win->MacClientToRootWindow( &x, &y ) ; |
| 156 | wxPoint windowlocal( x , y ) ; |
| 157 | s_ToolTip.Setup( window , win->MacGetToolTipString( local ) , windowlocal ) ; |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | void wxToolTip::RemoveToolTips() |
| 164 | { |
| 165 | s_ToolTip.Clear() ; |
| 166 | } |
| 167 | // --- mac specific |
| 168 | |
| 169 | wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec ) |
| 170 | { |
| 171 | m_tip = tip; |
| 172 | m_mark = tip->GetMark() ; |
| 173 | Start(msec, true); |
| 174 | } |
| 175 | |
| 176 | wxMacToolTip::wxMacToolTip() |
| 177 | { |
| 178 | m_window = NULL ; |
| 179 | m_backpict = NULL ; |
| 180 | m_mark = 0 ; |
| 181 | m_shown = false ; |
| 182 | } |
| 183 | |
| 184 | void wxMacToolTip::Setup( WindowRef window , wxString text , wxPoint localPosition ) |
| 185 | { |
| 186 | m_mark++ ; |
| 187 | Clear() ; |
| 188 | m_position = localPosition ; |
| 189 | m_label = wxMacMakeMacStringFromPC( text ) ; |
| 190 | m_window = window ; |
| 191 | s_ToolTipWindowRef = window ; |
| 192 | m_backpict = NULL ; |
| 193 | new wxMacToolTipTimer( this , s_ToolTipDelay ) ; |
| 194 | } |
| 195 | |
| 196 | wxMacToolTip::~wxMacToolTip() |
| 197 | { |
| 198 | if ( m_backpict ) |
| 199 | Clear() ; |
| 200 | } |
| 201 | |
| 202 | const short kTipBorder = 2 ; |
| 203 | const short kTipOffset = 5 ; |
| 204 | |
| 205 | void wxMacToolTip::Draw() |
| 206 | { |
| 207 | if ( m_label.Length() == 0 ) |
| 208 | return ; |
| 209 | |
| 210 | if ( m_window == s_ToolTipWindowRef ) |
| 211 | { |
| 212 | #if TARGET_CARBON |
| 213 | AGAPortHelper help( GetWindowPort( m_window ) ); |
| 214 | #else |
| 215 | AGAPortHelper help( ( m_window ) ); |
| 216 | #endif |
| 217 | m_shown = true ; |
| 218 | |
| 219 | SetOrigin( 0 , 0 ) ; |
| 220 | TextFont( kFontIDGeneva ) ; |
| 221 | TextSize( 9 ) ; |
| 222 | TextFace( 0 ) ; |
| 223 | FontInfo fontInfo; |
| 224 | ::GetFontInfo(&fontInfo); |
| 225 | short lineh = fontInfo.ascent + fontInfo.descent + fontInfo.leading; |
| 226 | short height = 0 ; |
| 227 | // short width = TextWidth( m_label , 0 ,m_label.Length() ) ; |
| 228 | |
| 229 | int i = 0 ; |
| 230 | int length = m_label.Length() ; |
| 231 | int width = 0 ; |
| 232 | int thiswidth = 0 ; |
| 233 | int laststop = 0 ; |
| 234 | const char *text = m_label ; |
| 235 | while( i < length ) |
| 236 | { |
| 237 | if( text[i] == 13 || text[i] == 10) |
| 238 | { |
| 239 | thiswidth = ::TextWidth( text , laststop , i - laststop ) ; |
| 240 | if ( thiswidth > width ) |
| 241 | width = thiswidth ; |
| 242 | |
| 243 | height += lineh ; |
| 244 | laststop = i+1 ; |
| 245 | } |
| 246 | i++ ; |
| 247 | } |
| 248 | if ( i - laststop > 0 ) |
| 249 | { |
| 250 | thiswidth = ::TextWidth( text , laststop , i - laststop ) ; |
| 251 | if ( thiswidth > width ) |
| 252 | width = thiswidth ; |
| 253 | height += lineh ; |
| 254 | } |
| 255 | |
| 256 | |
| 257 | m_rect.left = m_position.x + kTipOffset; |
| 258 | m_rect.top = m_position.y + kTipOffset; |
| 259 | m_rect.right = m_rect.left + width + 2 * kTipBorder; |
| 260 | m_rect.bottom = m_rect.top + height + 2 * kTipBorder; |
| 261 | ClipRect( &m_rect ) ; |
| 262 | BackColor( whiteColor ) ; |
| 263 | ForeColor(blackColor ) ; |
| 264 | m_backpict = OpenPicture(&m_rect); |
| 265 | |
| 266 | CopyBits(GetPortBitMapForCopyBits(GetWindowPort(m_window)), |
| 267 | GetPortBitMapForCopyBits(GetWindowPort(m_window)), |
| 268 | &m_rect, |
| 269 | &m_rect, |
| 270 | srcCopy, |
| 271 | NULL); |
| 272 | |
| 273 | ClosePicture(); |
| 274 | RGBColor yellow = { 0xFFFF , 0xFFFF , (153<<8)+153 } ; |
| 275 | RGBBackColor( &yellow ) ; |
| 276 | EraseRect( &m_rect ) ; |
| 277 | FrameRect( &m_rect ) ; |
| 278 | BackColor( whiteColor ) ; |
| 279 | ForeColor(blackColor ) ; |
| 280 | ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder); |
| 281 | |
| 282 | i = 0 ; |
| 283 | laststop = 0 ; |
| 284 | height = 0 ; |
| 285 | while( i < length ) |
| 286 | { |
| 287 | if( text[i] == 13 || text[i] == 10) |
| 288 | { |
| 289 | ::DrawText( text , laststop , i - laststop ) ; |
| 290 | height += lineh ; |
| 291 | ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder + height ); |
| 292 | laststop = i+1 ; |
| 293 | } |
| 294 | i++ ; |
| 295 | } |
| 296 | |
| 297 | ::DrawText( text , laststop , i - laststop ) ; |
| 298 | ::TextMode( srcOr ) ; |
| 299 | wxDC::MacInvalidateSetup() ; |
| 300 | |
| 301 | // DrawText( m_label , 0 , m_label.Length() ) ; |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | void wxToolTip::NotifyWindowDelete( WindowRef win ) |
| 306 | { |
| 307 | if ( win == s_ToolTipWindowRef ) |
| 308 | { |
| 309 | s_ToolTipWindowRef = NULL ; |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | void wxMacToolTip::Clear() |
| 314 | { |
| 315 | m_mark++ ; |
| 316 | if ( !m_shown ) |
| 317 | return ; |
| 318 | |
| 319 | if ( m_window == s_ToolTipWindowRef && m_backpict ) |
| 320 | { |
| 321 | #if TARGET_CARBON |
| 322 | AGAPortHelper help( GetWindowPort(m_window) ) ; |
| 323 | #else |
| 324 | AGAPortHelper help( (m_window) ) ; |
| 325 | #endif |
| 326 | m_shown = false ; |
| 327 | |
| 328 | SetOrigin( 0 , 0 ) ; |
| 329 | BackColor( whiteColor ) ; |
| 330 | ForeColor(blackColor ) ; |
| 331 | DrawPicture(m_backpict, &m_rect); |
| 332 | KillPicture(m_backpict); |
| 333 | m_backpict = NULL ; |
| 334 | wxDC::MacInvalidateSetup() ; |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | #endif |
| 339 | |