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