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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: cursor.cpp | |
3 | // Purpose: wxCursor class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "cursor.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/cursor.h" | |
17 | #include "wx/gdicmn.h" | |
18 | #include "wx/icon.h" | |
19 | #include "wx/app.h" | |
20 | #include "wx/utils.h" | |
21 | ||
22 | #include "wx/x11/private.h" | |
23 | #include <X11/cursorfont.h> | |
24 | ||
25 | //----------------------------------------------------------------------------- | |
26 | // wxCursor | |
27 | //----------------------------------------------------------------------------- | |
28 | ||
29 | class wxCursorRefData: public wxObjectRefData | |
30 | { | |
31 | public: | |
32 | ||
33 | wxCursorRefData(); | |
34 | ~wxCursorRefData(); | |
35 | ||
36 | WXCursor m_cursor; | |
37 | WXDisplay *m_display; | |
38 | }; | |
39 | ||
40 | wxCursorRefData::wxCursorRefData() | |
41 | { | |
42 | m_cursor = NULL; | |
43 | m_display = NULL; | |
44 | } | |
45 | ||
46 | wxCursorRefData::~wxCursorRefData() | |
47 | { | |
48 | if (m_cursor) | |
49 | XFreeCursor( (Display*) m_display, (Cursor) m_cursor ); | |
50 | } | |
51 | ||
52 | //----------------------------------------------------------------------------- | |
53 | ||
54 | #define M_CURSORDATA ((wxCursorRefData *)m_refData) | |
55 | ||
56 | IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject) | |
57 | ||
58 | wxCursor::wxCursor() | |
59 | { | |
60 | ||
61 | } | |
62 | ||
63 | wxCursor::wxCursor( int cursorId ) | |
64 | { | |
65 | m_refData = new wxCursorRefData(); | |
66 | ||
67 | M_CURSORDATA->m_display = wxGlobalDisplay(); | |
68 | wxASSERT_MSG( M_CURSORDATA->m_display, wxT("No display") ); | |
69 | ||
70 | int x_cur = XC_left_ptr; | |
71 | switch (cursorId) | |
72 | { | |
73 | case wxCURSOR_DEFAULT: x_cur = XC_left_ptr; break; | |
74 | case wxCURSOR_HAND: x_cur = XC_hand1; break; | |
75 | case wxCURSOR_CROSS: x_cur = XC_crosshair; break; | |
76 | case wxCURSOR_SIZEWE: x_cur = XC_sb_h_double_arrow; break; | |
77 | case wxCURSOR_SIZENS: x_cur = XC_sb_v_double_arrow; break; | |
78 | case wxCURSOR_ARROWWAIT: | |
79 | case wxCURSOR_WAIT: | |
80 | case wxCURSOR_WATCH: x_cur = XC_watch; break; | |
81 | case wxCURSOR_SIZING: x_cur = XC_sizing; break; | |
82 | case wxCURSOR_SPRAYCAN: x_cur = XC_spraycan; break; | |
83 | case wxCURSOR_IBEAM: x_cur = XC_xterm; break; | |
84 | case wxCURSOR_PENCIL: x_cur = XC_pencil; break; | |
85 | case wxCURSOR_NO_ENTRY: x_cur = XC_pirate; break; | |
86 | case wxCURSOR_SIZENWSE: | |
87 | case wxCURSOR_SIZENESW: x_cur = XC_fleur; break; | |
88 | case wxCURSOR_QUESTION_ARROW: x_cur = XC_question_arrow; break; | |
89 | case wxCURSOR_PAINT_BRUSH: x_cur = XC_spraycan; break; | |
90 | case wxCURSOR_MAGNIFIER: x_cur = XC_plus; break; | |
91 | case wxCURSOR_CHAR: x_cur = XC_xterm; break; | |
92 | case wxCURSOR_LEFT_BUTTON: x_cur = XC_leftbutton; break; | |
93 | case wxCURSOR_MIDDLE_BUTTON: x_cur = XC_middlebutton; break; | |
94 | case wxCURSOR_RIGHT_BUTTON: x_cur = XC_rightbutton; break; | |
95 | case wxCURSOR_BULLSEYE: x_cur = XC_target; break; | |
96 | ||
97 | case wxCURSOR_POINT_LEFT: x_cur = XC_sb_left_arrow; break; | |
98 | case wxCURSOR_POINT_RIGHT: x_cur = XC_sb_right_arrow; break; | |
99 | /* | |
100 | case wxCURSOR_DOUBLE_ARROW: x_cur = XC_double_arrow; break; | |
101 | case wxCURSOR_CROSS_REVERSE: x_cur = XC_cross_reverse; break; | |
102 | case wxCURSOR_BASED_ARROW_UP: x_cur = XC_based_arrow_up; break; | |
103 | case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break; | |
104 | */ | |
105 | default: | |
106 | wxFAIL_MSG(wxT("unsupported cursor type")); | |
107 | // will use the standard one | |
108 | } | |
109 | ||
110 | M_CURSORDATA->m_cursor = (WXCursor) XCreateFontCursor( (Display*) M_CURSORDATA->m_display, x_cur ); | |
111 | } | |
112 | ||
113 | wxCursor::wxCursor(const char bits[], int width, int height, | |
114 | int hotSpotX, int hotSpotY, | |
115 | const char maskBits[], wxColour *fg, wxColour *bg) | |
116 | { | |
117 | wxFAIL_MSG( "wxCursor creation from bits not yet implemented" ); | |
118 | } | |
119 | ||
120 | ||
121 | wxCursor::wxCursor( const wxCursor &cursor ) | |
122 | { | |
123 | Ref( cursor ); | |
124 | } | |
125 | ||
126 | #if wxUSE_IMAGE | |
127 | wxCursor::wxCursor( const wxImage & image ) | |
128 | { | |
129 | wxFAIL_MSG( "wxCursor creation from wxImage not yet implemented" ); | |
130 | } | |
131 | #endif | |
132 | ||
133 | wxCursor::~wxCursor() | |
134 | { | |
135 | } | |
136 | ||
137 | wxCursor& wxCursor::operator = ( const wxCursor& cursor ) | |
138 | { | |
139 | if (*this == cursor) | |
140 | return (*this); | |
141 | ||
142 | Ref( cursor ); | |
143 | ||
144 | return *this; | |
145 | } | |
146 | ||
147 | bool wxCursor::operator == ( const wxCursor& cursor ) const | |
148 | { | |
149 | return m_refData == cursor.m_refData; | |
150 | } | |
151 | ||
152 | bool wxCursor::operator != ( const wxCursor& cursor ) const | |
153 | { | |
154 | return m_refData != cursor.m_refData; | |
155 | } | |
156 | ||
157 | bool wxCursor::Ok() const | |
158 | { | |
159 | return (m_refData != NULL); | |
160 | } | |
161 | ||
162 | WXCursor wxCursor::GetCursor() const | |
163 | { | |
164 | return M_CURSORDATA->m_cursor; | |
165 | } | |
166 | ||
167 | //----------------------------------------------------------------------------- | |
168 | // busy cursor routines | |
169 | //----------------------------------------------------------------------------- | |
170 | ||
171 | /* extern */ wxCursor g_globalCursor; | |
172 | ||
173 | static wxCursor gs_savedCursor; | |
174 | static int gs_busyCount = 0; | |
175 | ||
176 | const wxCursor &wxBusyCursor::GetStoredCursor() | |
177 | { | |
178 | return gs_savedCursor; | |
179 | } | |
180 | ||
181 | const wxCursor wxBusyCursor::GetBusyCursor() | |
182 | { | |
183 | return wxCursor(wxCURSOR_WATCH); | |
184 | } | |
185 | ||
186 | void wxEndBusyCursor() | |
187 | { | |
188 | if (--gs_busyCount > 0) | |
189 | return; | |
190 | ||
191 | wxSetCursor( gs_savedCursor ); | |
192 | gs_savedCursor = wxNullCursor; | |
193 | ||
194 | if (wxTheApp) | |
195 | wxTheApp->SendIdleEvents(); | |
196 | } | |
197 | ||
198 | void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) ) | |
199 | { | |
200 | if (gs_busyCount++ > 0) | |
201 | return; | |
202 | ||
203 | wxASSERT_MSG( !gs_savedCursor.Ok(), | |
204 | wxT("forgot to call wxEndBusyCursor, will leak memory") ); | |
205 | ||
206 | gs_savedCursor = g_globalCursor; | |
207 | ||
208 | wxSetCursor( wxCursor(wxCURSOR_WATCH) ); | |
209 | ||
210 | if (wxTheApp) | |
211 | wxTheApp->SendIdleEvents(); | |
212 | } | |
213 | ||
214 | bool wxIsBusy() | |
215 | { | |
216 | return gs_busyCount > 0; | |
217 | } | |
218 | ||
219 | void wxSetCursor( const wxCursor& cursor ) | |
220 | { | |
221 | g_globalCursor = cursor; | |
222 | } |