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