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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 | ~wxCursorRefData(); | |
40 | ||
41 | MGLCursor *m_cursor; | |
42 | }; | |
43 | ||
44 | wxCursorRefData::wxCursorRefData() | |
45 | { | |
46 | m_cursor = (MGLCursor*) 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 | wxCursor::wxCursor(int 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 char WXUNUSED(bits)[], | |
144 | int WXUNUSED(width), | |
145 | int WXUNUSED(height), | |
146 | int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY), | |
147 | const char WXUNUSED(maskBits)[], | |
148 | wxColour * WXUNUSED(fg), wxColour * WXUNUSED(bg) ) | |
149 | { | |
150 | //FIXME_MGL | |
151 | } | |
152 | ||
153 | wxCursor::wxCursor(const wxString& cursor_file, | |
154 | long flags, | |
155 | int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY)) | |
156 | { | |
157 | if ( flags == wxBITMAP_TYPE_CUR || flags == wxBITMAP_TYPE_CUR_RESOURCE ) | |
158 | { | |
159 | m_refData = new wxCursorRefData(); | |
160 | M_CURSORDATA->m_cursor = new MGLCursor(cursor_file.mb_str()); | |
161 | if ( !M_CURSORDATA->m_cursor->valid() ) | |
162 | { | |
163 | wxLogError(_("Couldn't create cursor.")); | |
164 | UnRef(); | |
165 | } | |
166 | } | |
167 | else | |
168 | { | |
169 | wxLogError(wxT("Cannot load cursor resource of this type.")); | |
170 | } | |
171 | } | |
172 | ||
173 | wxCursor::~wxCursor() | |
174 | { | |
175 | // wxObject unrefs data | |
176 | } | |
177 | ||
178 | bool wxCursor::operator == (const wxCursor& cursor) const | |
179 | { | |
180 | return (m_refData == cursor.m_refData); | |
181 | } | |
182 | ||
183 | bool wxCursor::operator != (const wxCursor& cursor) const | |
184 | { | |
185 | return (m_refData != cursor.m_refData); | |
186 | } | |
187 | ||
188 | bool wxCursor::Ok() const | |
189 | { | |
190 | return (m_refData != NULL); | |
191 | } | |
192 | ||
193 | MGLCursor *wxCursor::GetMGLCursor() const | |
194 | { | |
195 | return M_CURSORDATA->m_cursor; | |
196 | } | |
197 | ||
198 | ||
199 | ||
200 | // ---------------------------------------------------------------------------- | |
201 | // Global cursor setting | |
202 | // ---------------------------------------------------------------------------- | |
203 | ||
204 | static wxCursor gs_globalCursor = wxNullCursor; | |
205 | ||
206 | void wxSetCursor(const wxCursor& cursor) | |
207 | { | |
208 | if ( cursor.Ok() ) | |
209 | { | |
210 | if ( g_winMng ) | |
211 | MGL_wmSetGlobalCursor(g_winMng, *cursor.GetMGLCursor()); | |
212 | gs_globalCursor = cursor; | |
213 | } | |
214 | else | |
215 | { | |
216 | if ( g_winMng ) | |
217 | MGL_wmSetGlobalCursor(g_winMng, NULL); | |
218 | gs_globalCursor = wxNullCursor; | |
219 | } | |
220 | } | |
221 | ||
222 | ||
223 | ||
224 | //----------------------------------------------------------------------------- | |
225 | // busy cursor routines | |
226 | //----------------------------------------------------------------------------- | |
227 | ||
228 | static wxCursor gs_savedCursor = wxNullCursor; | |
229 | static int gs_busyCount = 0; | |
230 | ||
231 | const wxCursor &wxBusyCursor::GetStoredCursor() | |
232 | { | |
233 | return gs_savedCursor; | |
234 | } | |
235 | ||
236 | const wxCursor wxBusyCursor::GetBusyCursor() | |
237 | { | |
238 | return gs_globalCursor; | |
239 | } | |
240 | ||
241 | void wxEndBusyCursor() | |
242 | { | |
243 | if ( --gs_busyCount > 0 ) return; | |
244 | ||
245 | wxSetCursor(gs_savedCursor); | |
246 | gs_savedCursor = wxNullCursor; | |
247 | } | |
248 | ||
249 | void wxBeginBusyCursor(const wxCursor *cursor) | |
250 | { | |
251 | if ( gs_busyCount++ > 0 ) return; | |
252 | ||
253 | wxASSERT_MSG( !gs_savedCursor.Ok(), | |
254 | wxT("forgot to call wxEndBusyCursor, will leak memory") ); | |
255 | ||
256 | gs_savedCursor = gs_globalCursor; | |
257 | if ( cursor->Ok() ) | |
258 | wxSetCursor(*cursor); | |
259 | else | |
260 | wxSetCursor(wxCursor(wxCURSOR_WAIT)); | |
261 | } | |
262 | ||
263 | bool wxIsBusy() | |
264 | { | |
265 | return (gs_busyCount > 0); | |
266 | } | |
267 | ||
268 | ||
269 | ||
270 | //----------------------------------------------------------------------------- | |
271 | // module - clean up code | |
272 | //----------------------------------------------------------------------------- | |
273 | ||
274 | class wxCursorModule : public wxModule | |
275 | { | |
276 | public: | |
277 | virtual bool OnInit() { return true; } | |
278 | ||
279 | virtual void OnExit() | |
280 | { | |
281 | wxDELETE(gs_cursorsHash); | |
282 | } | |
283 | ||
284 | private: | |
285 | DECLARE_DYNAMIC_CLASS(wxCursorModule) | |
286 | }; | |
287 | ||
288 | IMPLEMENT_DYNAMIC_CLASS(wxCursorModule, wxModule) |