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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: cursor.cpp | |
3 | // Purpose: wxCursor class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #ifdef __GNUG__ | |
21 | #pragma implementation "cursor.h" | |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #ifndef WX_PRECOMP | |
32 | #include "wx/list.h" | |
33 | #include "wx/utils.h" | |
34 | #include "wx/app.h" | |
35 | #include "wx/bitmap.h" | |
36 | #include "wx/icon.h" | |
37 | #include "wx/cursor.h" | |
38 | #endif | |
39 | ||
40 | #include "wx/module.h" | |
41 | #include "wx/msw/private.h" | |
42 | #ifndef __WXMICROWIN__ | |
43 | #include "wx/msw/dib.h" | |
44 | #endif | |
45 | ||
46 | #if wxUSE_RESOURCE_LOADING_IN_MSW | |
47 | #include "wx/msw/curico.h" | |
48 | #include "wx/msw/curicop.h" | |
49 | #endif | |
50 | ||
51 | // ---------------------------------------------------------------------------- | |
52 | // wxWin macros | |
53 | // ---------------------------------------------------------------------------- | |
54 | ||
55 | IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxCursorBase) | |
56 | ||
57 | // ---------------------------------------------------------------------------- | |
58 | // globals | |
59 | // ---------------------------------------------------------------------------- | |
60 | ||
61 | // Current cursor, in order to hang on to cursor handle when setting the cursor | |
62 | // globally | |
63 | static wxCursor *gs_globalCursor = NULL; | |
64 | ||
65 | // ---------------------------------------------------------------------------- | |
66 | // private classes | |
67 | // ---------------------------------------------------------------------------- | |
68 | ||
69 | class wxCursorModule : public wxModule | |
70 | { | |
71 | public: | |
72 | virtual bool OnInit() | |
73 | { | |
74 | gs_globalCursor = new wxCursor; | |
75 | ||
76 | return TRUE; | |
77 | } | |
78 | ||
79 | virtual void OnExit() | |
80 | { | |
81 | delete gs_globalCursor; | |
82 | gs_globalCursor = (wxCursor *)NULL; | |
83 | } | |
84 | }; | |
85 | ||
86 | // ============================================================================ | |
87 | // implementation | |
88 | // ============================================================================ | |
89 | ||
90 | // ---------------------------------------------------------------------------- | |
91 | // wxCursorRefData | |
92 | // ---------------------------------------------------------------------------- | |
93 | ||
94 | wxCursorRefData::wxCursorRefData() | |
95 | { | |
96 | m_width = 32; | |
97 | m_height = 32; | |
98 | ||
99 | m_destroyCursor = FALSE; | |
100 | } | |
101 | ||
102 | void wxCursorRefData::Free() | |
103 | { | |
104 | if ( m_hCursor ) | |
105 | { | |
106 | #ifndef __WXMICROWIN__ | |
107 | if ( m_destroyCursor ) | |
108 | ::DestroyCursor((HCURSOR)m_hCursor); | |
109 | #endif | |
110 | ||
111 | m_hCursor = 0; | |
112 | } | |
113 | } | |
114 | ||
115 | // ---------------------------------------------------------------------------- | |
116 | // Cursors | |
117 | // ---------------------------------------------------------------------------- | |
118 | ||
119 | wxCursor::wxCursor() | |
120 | { | |
121 | } | |
122 | ||
123 | wxCursor::wxCursor(const char WXUNUSED(bits)[], | |
124 | int WXUNUSED(width), | |
125 | int WXUNUSED(height), | |
126 | int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY), | |
127 | const char WXUNUSED(maskBits)[]) | |
128 | { | |
129 | } | |
130 | ||
131 | wxCursor::wxCursor(const wxString& cursor_file, | |
132 | long flags, | |
133 | int hotSpotX, int hotSpotY) | |
134 | { | |
135 | #ifdef __WXMICROWIN__ | |
136 | m_refData = NULL; | |
137 | #else | |
138 | wxCursorRefData *refData = new wxCursorRefData; | |
139 | m_refData = refData; | |
140 | ||
141 | if (flags == wxBITMAP_TYPE_CUR_RESOURCE) | |
142 | { | |
143 | #ifdef __WIN95__ | |
144 | refData->m_hCursor = (WXHCURSOR) LoadImage(wxGetInstance(), cursor_file, IMAGE_CURSOR, 0, 0, 0); | |
145 | #else | |
146 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), cursor_file); | |
147 | #endif | |
148 | refData->m_destroyCursor = FALSE; | |
149 | } | |
150 | else if (flags == wxBITMAP_TYPE_CUR) | |
151 | { | |
152 | #ifdef __WIN95__ | |
153 | refData->m_hCursor = (WXHCURSOR) LoadImage(wxGetInstance(), cursor_file, IMAGE_CURSOR, 0, 0, LR_LOADFROMFILE); | |
154 | #else | |
155 | #if wxUSE_RESOURCE_LOADING_IN_MSW | |
156 | refData->m_hCursor = (WXHCURSOR) ReadCursorFile(WXSTRINGCAST cursor_file, wxGetInstance(), &refData->m_width, &refData->m_height); | |
157 | #endif | |
158 | #endif | |
159 | } | |
160 | else if (flags == wxBITMAP_TYPE_ICO) | |
161 | { | |
162 | #if wxUSE_RESOURCE_LOADING_IN_MSW | |
163 | refData->m_hCursor = (WXHCURSOR) IconToCursor(WXSTRINGCAST cursor_file, wxGetInstance(), hotSpotX, hotSpotY, &refData->m_width, &refData->m_height); | |
164 | #endif | |
165 | } | |
166 | else if (flags == wxBITMAP_TYPE_BMP) | |
167 | { | |
168 | #if wxUSE_RESOURCE_LOADING_IN_MSW | |
169 | HBITMAP hBitmap = 0; | |
170 | HPALETTE hPalette = 0; | |
171 | bool success = wxReadDIB(WXSTRINGCAST cursor_file, &hBitmap, &hPalette) != 0; | |
172 | if (!success) | |
173 | return; | |
174 | if (hPalette) | |
175 | DeleteObject(hPalette); | |
176 | POINT pnt; | |
177 | pnt.x = hotSpotX; | |
178 | pnt.y = hotSpotY; | |
179 | refData->m_hCursor = (WXHCURSOR) MakeCursorFromBitmap(wxGetInstance(), hBitmap, &pnt); | |
180 | DeleteObject(hBitmap); | |
181 | #endif | |
182 | } | |
183 | ||
184 | #if WXWIN_COMPATIBILITY_2 | |
185 | refData->SetOk(); | |
186 | #endif // WXWIN_COMPATIBILITY_2 | |
187 | ||
188 | #endif | |
189 | } | |
190 | ||
191 | // Cursors by stock number | |
192 | wxCursor::wxCursor(int cursor_type) | |
193 | { | |
194 | #ifdef __WXMICROWIN__ | |
195 | m_refData = NULL; | |
196 | #else | |
197 | wxCursorRefData *refData = new wxCursorRefData; | |
198 | m_refData = refData; | |
199 | ||
200 | switch (cursor_type) | |
201 | { | |
202 | case wxCURSOR_ARROWWAIT: | |
203 | #ifndef __WIN16__ | |
204 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_APPSTARTING); | |
205 | break; | |
206 | #endif | |
207 | case wxCURSOR_WAIT: | |
208 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_WAIT); | |
209 | break; | |
210 | case wxCURSOR_IBEAM: | |
211 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_IBEAM); | |
212 | break; | |
213 | case wxCURSOR_CROSS: | |
214 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_CROSS); | |
215 | break; | |
216 | case wxCURSOR_SIZENWSE: | |
217 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_SIZENWSE); | |
218 | break; | |
219 | case wxCURSOR_SIZENESW: | |
220 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_SIZENESW); | |
221 | break; | |
222 | case wxCURSOR_SIZEWE: | |
223 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_SIZEWE); | |
224 | break; | |
225 | case wxCURSOR_SIZENS: | |
226 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_SIZENS); | |
227 | break; | |
228 | case wxCURSOR_CHAR: | |
229 | { | |
230 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_ARROW); | |
231 | break; | |
232 | } | |
233 | case wxCURSOR_HAND: | |
234 | { | |
235 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_HAND")); | |
236 | break; | |
237 | } | |
238 | case wxCURSOR_BULLSEYE: | |
239 | { | |
240 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_BULLSEYE")); | |
241 | break; | |
242 | } | |
243 | case wxCURSOR_PENCIL: | |
244 | { | |
245 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_PENCIL")); | |
246 | break; | |
247 | } | |
248 | case wxCURSOR_MAGNIFIER: | |
249 | { | |
250 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_MAGNIFIER")); | |
251 | break; | |
252 | } | |
253 | case wxCURSOR_NO_ENTRY: | |
254 | { | |
255 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_NO_ENTRY")); | |
256 | break; | |
257 | } | |
258 | case wxCURSOR_LEFT_BUTTON: | |
259 | { | |
260 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_ARROW); | |
261 | break; | |
262 | } | |
263 | case wxCURSOR_RIGHT_BUTTON: | |
264 | { | |
265 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_ARROW); | |
266 | break; | |
267 | } | |
268 | case wxCURSOR_MIDDLE_BUTTON: | |
269 | { | |
270 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_ARROW); | |
271 | break; | |
272 | } | |
273 | case wxCURSOR_SIZING: | |
274 | { | |
275 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_SIZING")); | |
276 | break; | |
277 | } | |
278 | case wxCURSOR_WATCH: | |
279 | { | |
280 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_WATCH")); | |
281 | break; | |
282 | } | |
283 | case wxCURSOR_SPRAYCAN: | |
284 | { | |
285 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_ROLLER")); | |
286 | break; | |
287 | } | |
288 | case wxCURSOR_PAINT_BRUSH: | |
289 | { | |
290 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_PBRUSH")); | |
291 | break; | |
292 | } | |
293 | case wxCURSOR_POINT_LEFT: | |
294 | { | |
295 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_PLEFT")); | |
296 | break; | |
297 | } | |
298 | case wxCURSOR_POINT_RIGHT: | |
299 | { | |
300 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_PRIGHT")); | |
301 | break; | |
302 | } | |
303 | case wxCURSOR_QUESTION_ARROW: | |
304 | { | |
305 | // refData->m_hCursor = (WXHCURSOR) LoadImage(wxGetInstance(), wxT("wxCURSOR_QARROW"), IMAGE_CURSOR, 16, 16, LR_MONOCHROME); | |
306 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_QARROW")); | |
307 | break; | |
308 | } | |
309 | case wxCURSOR_BLANK: | |
310 | { | |
311 | refData->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), wxT("wxCURSOR_BLANK")); | |
312 | break; | |
313 | } | |
314 | default: | |
315 | case wxCURSOR_ARROW: | |
316 | refData->m_hCursor = (WXHCURSOR) LoadCursor((HINSTANCE) NULL, IDC_ARROW); | |
317 | break; | |
318 | } | |
319 | #endif | |
320 | } | |
321 | ||
322 | wxCursor::~wxCursor() | |
323 | { | |
324 | } | |
325 | ||
326 | // ---------------------------------------------------------------------------- | |
327 | // Global cursor setting | |
328 | // ---------------------------------------------------------------------------- | |
329 | ||
330 | const wxCursor *wxGetGlobalCursor() | |
331 | { | |
332 | return gs_globalCursor; | |
333 | } | |
334 | ||
335 | void wxSetCursor(const wxCursor& cursor) | |
336 | { | |
337 | if ( cursor.Ok() ) | |
338 | { | |
339 | #ifndef __WXMICROWIN__ | |
340 | ::SetCursor(GetHcursorOf(cursor)); | |
341 | #endif | |
342 | ||
343 | if ( gs_globalCursor ) | |
344 | *gs_globalCursor = cursor; | |
345 | } | |
346 | } | |
347 | ||
348 |