| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/mgl/cursor.cpp |
| 3 | // Purpose: |
| 4 | // Author: Vaclav Slavik |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // For compilers that support precompilation, includes "wx.h". |
| 11 | #include "wx/wxprec.h" |
| 12 | |
| 13 | #ifdef __BORLANDC__ |
| 14 | #pragma hdrstop |
| 15 | #endif |
| 16 | |
| 17 | #include "wx/cursor.h" |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/intl.h" |
| 21 | #include "wx/log.h" |
| 22 | #include "wx/utils.h" |
| 23 | #include "wx/hashmap.h" |
| 24 | #include "wx/module.h" |
| 25 | #endif |
| 26 | |
| 27 | #include "wx/mgl/private.h" |
| 28 | |
| 29 | |
| 30 | //----------------------------------------------------------------------------- |
| 31 | // wxCursor |
| 32 | //----------------------------------------------------------------------------- |
| 33 | |
| 34 | class wxCursorRefData: public wxObjectRefData |
| 35 | { |
| 36 | public: |
| 37 | |
| 38 | wxCursorRefData(); |
| 39 | virtual ~wxCursorRefData(); |
| 40 | |
| 41 | MGLCursor *m_cursor; |
| 42 | }; |
| 43 | |
| 44 | wxCursorRefData::wxCursorRefData() |
| 45 | { |
| 46 | m_cursor = NULL; |
| 47 | } |
| 48 | |
| 49 | wxCursorRefData::~wxCursorRefData() |
| 50 | { |
| 51 | delete m_cursor; |
| 52 | } |
| 53 | |
| 54 | #define M_CURSORDATA ((wxCursorRefData *)m_refData) |
| 55 | |
| 56 | //----------------------------------------------------------------------------- |
| 57 | |
| 58 | WX_DECLARE_HASH_MAP(int, wxCursor, wxIntegerHash, wxIntegerEqual, wxCursorsHash); |
| 59 | |
| 60 | static wxCursorsHash *gs_cursorsHash = NULL; |
| 61 | |
| 62 | IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject) |
| 63 | |
| 64 | wxCursor::wxCursor() |
| 65 | { |
| 66 | } |
| 67 | |
| 68 | void wxCursor::InitFromStock(wxStockCursor cursorId) |
| 69 | { |
| 70 | if ( !gs_cursorsHash ) |
| 71 | gs_cursorsHash = new wxCursorsHash; |
| 72 | |
| 73 | if ( gs_cursorsHash->find(cursorId) != gs_cursorsHash->end() ) |
| 74 | { |
| 75 | wxLogTrace(_T("mglcursor"), _T("cursor id %i fetched from cache"), cursorId); |
| 76 | *this = (*gs_cursorsHash)[cursorId]; |
| 77 | return; |
| 78 | } |
| 79 | |
| 80 | const char *cursorname = NULL; |
| 81 | m_refData = new wxCursorRefData(); |
| 82 | |
| 83 | switch (cursorId) |
| 84 | { |
| 85 | case wxCURSOR_ARROW: cursorname = "arrow.cur"; break; |
| 86 | case wxCURSOR_RIGHT_ARROW: cursorname = "rightarr.cur"; break; |
| 87 | case wxCURSOR_BULLSEYE: cursorname = "bullseye.cur"; break; |
| 88 | case wxCURSOR_CHAR: cursorname = "char.cur"; break; |
| 89 | case wxCURSOR_CROSS: cursorname = "cross.cur"; break; |
| 90 | case wxCURSOR_HAND: cursorname = "hand.cur"; break; |
| 91 | case wxCURSOR_IBEAM: cursorname = "ibeam.cur"; break; |
| 92 | case wxCURSOR_LEFT_BUTTON: cursorname = "leftbtn.cur"; break; |
| 93 | case wxCURSOR_MAGNIFIER: cursorname = "magnif1.cur"; break; |
| 94 | case wxCURSOR_MIDDLE_BUTTON: cursorname = "midbtn.cur"; break; |
| 95 | case wxCURSOR_NO_ENTRY: cursorname = "noentry.cur"; break; |
| 96 | case wxCURSOR_PAINT_BRUSH: cursorname = "pbrush.cur"; break; |
| 97 | case wxCURSOR_PENCIL: cursorname = "pencil.cur"; break; |
| 98 | case wxCURSOR_POINT_LEFT: cursorname = "pntleft.cur"; break; |
| 99 | case wxCURSOR_POINT_RIGHT: cursorname = "pntright.cur"; break; |
| 100 | case wxCURSOR_QUESTION_ARROW: cursorname = "query.cur"; break; |
| 101 | case wxCURSOR_RIGHT_BUTTON: cursorname = "rightbtn.cur"; break; |
| 102 | case wxCURSOR_SIZENESW: cursorname = "sizenesw.cur"; break; |
| 103 | case wxCURSOR_SIZENS: cursorname = "sizens.cur"; break; |
| 104 | case wxCURSOR_SIZENWSE: cursorname = "sizenwse.cur"; break; |
| 105 | case wxCURSOR_SIZEWE: cursorname = "sizewe.cur"; break; |
| 106 | case wxCURSOR_SIZING: cursorname = "size.cur"; break; |
| 107 | case wxCURSOR_SPRAYCAN: cursorname = "spraycan.cur"; break; |
| 108 | case wxCURSOR_WAIT: cursorname = "wait.cur"; break; |
| 109 | case wxCURSOR_WATCH: cursorname = "clock.cur"; break; |
| 110 | case wxCURSOR_BLANK: cursorname = "blank.cur"; break; |
| 111 | |
| 112 | case wxCURSOR_NONE: |
| 113 | *this = wxNullCursor; |
| 114 | return; |
| 115 | |
| 116 | default: |
| 117 | wxFAIL_MSG(wxT("unsupported cursor type")); |
| 118 | break; |
| 119 | } |
| 120 | |
| 121 | M_CURSORDATA->m_cursor = new MGLCursor(cursorname); |
| 122 | |
| 123 | // if we cannot load arrow cursor, use MGL's default arrow cursor: |
| 124 | if ( !M_CURSORDATA->m_cursor->valid() && cursorId == wxCURSOR_ARROW ) |
| 125 | { |
| 126 | delete M_CURSORDATA->m_cursor; |
| 127 | M_CURSORDATA->m_cursor = new MGLCursor(MGL_DEF_CURSOR); |
| 128 | } |
| 129 | |
| 130 | if ( !M_CURSORDATA->m_cursor->valid() ) |
| 131 | { |
| 132 | wxLogError(_("Couldn't create cursor.")); |
| 133 | UnRef(); |
| 134 | } |
| 135 | else |
| 136 | { |
| 137 | (*gs_cursorsHash)[cursorId] = *this; |
| 138 | wxLogTrace(_T("mglcursor"), _T("cursor id %i added to cache (%s)"), |
| 139 | cursorId, cursorname); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | wxCursor::wxCursor(const wxString& cursor_file, |
| 144 | wxBitmapType type, |
| 145 | int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY)) |
| 146 | { |
| 147 | if ( type == wxBITMAP_TYPE_CUR || type == wxBITMAP_TYPE_CUR_RESOURCE ) |
| 148 | { |
| 149 | m_refData = new wxCursorRefData(); |
| 150 | M_CURSORDATA->m_cursor = new MGLCursor(cursor_file.mb_str()); |
| 151 | if ( !M_CURSORDATA->m_cursor->valid() ) |
| 152 | { |
| 153 | wxLogError(_("Couldn't create cursor.")); |
| 154 | UnRef(); |
| 155 | } |
| 156 | } |
| 157 | else |
| 158 | { |
| 159 | wxLogError(wxT("Cannot load cursor resource of this type.")); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | wxCursor::~wxCursor() |
| 164 | { |
| 165 | // wxObject unrefs data |
| 166 | } |
| 167 | |
| 168 | MGLCursor *wxCursor::GetMGLCursor() const |
| 169 | { |
| 170 | return M_CURSORDATA->m_cursor; |
| 171 | } |
| 172 | |
| 173 | |
| 174 | |
| 175 | // ---------------------------------------------------------------------------- |
| 176 | // Global cursor setting |
| 177 | // ---------------------------------------------------------------------------- |
| 178 | |
| 179 | static wxCursor gs_globalCursor = wxNullCursor; |
| 180 | |
| 181 | void wxSetCursor(const wxCursor& cursor) |
| 182 | { |
| 183 | if ( cursor.Ok() ) |
| 184 | { |
| 185 | if ( g_winMng ) |
| 186 | MGL_wmSetGlobalCursor(g_winMng, *cursor.GetMGLCursor()); |
| 187 | gs_globalCursor = cursor; |
| 188 | } |
| 189 | else |
| 190 | { |
| 191 | if ( g_winMng ) |
| 192 | MGL_wmSetGlobalCursor(g_winMng, NULL); |
| 193 | gs_globalCursor = wxNullCursor; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | |
| 198 | |
| 199 | //----------------------------------------------------------------------------- |
| 200 | // busy cursor routines |
| 201 | //----------------------------------------------------------------------------- |
| 202 | |
| 203 | static wxCursor gs_savedCursor = wxNullCursor; |
| 204 | static int gs_busyCount = 0; |
| 205 | |
| 206 | const wxCursor &wxBusyCursor::GetStoredCursor() |
| 207 | { |
| 208 | return gs_savedCursor; |
| 209 | } |
| 210 | |
| 211 | const wxCursor wxBusyCursor::GetBusyCursor() |
| 212 | { |
| 213 | return gs_globalCursor; |
| 214 | } |
| 215 | |
| 216 | void wxEndBusyCursor() |
| 217 | { |
| 218 | if ( --gs_busyCount > 0 ) return; |
| 219 | |
| 220 | wxSetCursor(gs_savedCursor); |
| 221 | gs_savedCursor = wxNullCursor; |
| 222 | } |
| 223 | |
| 224 | void wxBeginBusyCursor(const wxCursor *cursor) |
| 225 | { |
| 226 | if ( gs_busyCount++ > 0 ) return; |
| 227 | |
| 228 | wxASSERT_MSG( !gs_savedCursor.Ok(), |
| 229 | wxT("forgot to call wxEndBusyCursor, will leak memory") ); |
| 230 | |
| 231 | gs_savedCursor = gs_globalCursor; |
| 232 | if ( cursor->Ok() ) |
| 233 | wxSetCursor(*cursor); |
| 234 | else |
| 235 | wxSetCursor(wxCursor(wxCURSOR_WAIT)); |
| 236 | } |
| 237 | |
| 238 | bool wxIsBusy() |
| 239 | { |
| 240 | return (gs_busyCount > 0); |
| 241 | } |
| 242 | |
| 243 | |
| 244 | |
| 245 | //----------------------------------------------------------------------------- |
| 246 | // module - clean up code |
| 247 | //----------------------------------------------------------------------------- |
| 248 | |
| 249 | class wxCursorModule : public wxModule |
| 250 | { |
| 251 | public: |
| 252 | virtual bool OnInit() { return true; } |
| 253 | |
| 254 | virtual void OnExit() |
| 255 | { |
| 256 | wxDELETE(gs_cursorsHash); |
| 257 | } |
| 258 | |
| 259 | private: |
| 260 | DECLARE_DYNAMIC_CLASS(wxCursorModule) |
| 261 | }; |
| 262 | |
| 263 | IMPLEMENT_DYNAMIC_CLASS(wxCursorModule, wxModule) |