e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 Sam Lantinga |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with this library; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | Sam Lantinga |
20 | slouken@libsdl.org |
21 | */ |
22 | #include "SDL_config.h" |
23 | |
24 | #include "SDL_mouse.h" |
25 | #include "../../events/SDL_events_c.h" |
26 | #include "../SDL_cursor_c.h" |
27 | #include "SDL_ph_mouse_c.h" |
28 | |
29 | struct WMcursor |
30 | { |
31 | PhCursorDef_t *ph_cursor ; |
32 | }; |
33 | |
34 | void ph_FreeWMCursor(_THIS, WMcursor *cursor) |
35 | { |
36 | if (window != NULL) |
37 | { |
38 | SDL_Lock_EventThread(); |
39 | |
40 | if (PtSetResource(window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_INHERIT, 0) < 0) |
41 | { |
42 | /* TODO: output error msg */ |
43 | } |
44 | |
45 | SDL_Unlock_EventThread(); |
46 | } |
47 | |
48 | SDL_free(cursor); |
49 | } |
50 | |
51 | WMcursor *ph_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) |
52 | { |
53 | WMcursor* cursor; |
54 | int clen, i; |
55 | unsigned char bit, databit, maskbit; |
56 | |
57 | /* Allocate and initialize the cursor memory */ |
58 | if ((cursor = (WMcursor*)SDL_malloc(sizeof(WMcursor))) == NULL) |
59 | { |
60 | SDL_OutOfMemory(); |
61 | return(NULL); |
62 | } |
63 | SDL_memset(cursor,0,sizeof(WMcursor)); |
64 | |
65 | cursor->ph_cursor = (PhCursorDef_t *) SDL_malloc(sizeof(PhCursorDef_t) + 32*4*2); |
66 | |
67 | if (cursor->ph_cursor == NULL) |
68 | { |
69 | SDL_SetError("ph_CreateWMCursor(): cursor malloc failed !\n"); |
70 | return NULL; |
71 | } |
72 | |
73 | SDL_memset(cursor->ph_cursor,0,(sizeof(PhCursorDef_t) + 32*4*2)); |
74 | |
75 | cursor->ph_cursor->hdr.type =Ph_RDATA_CURSOR; |
76 | cursor->ph_cursor->size1.x = (short)w; |
77 | cursor->ph_cursor->size1.y = (short)h; |
78 | cursor->ph_cursor->offset1.x = (short)hot_x; |
79 | cursor->ph_cursor->offset1.y = (short)hot_y; |
80 | cursor->ph_cursor->bytesperline1 = (char)w/8; |
81 | cursor->ph_cursor->color1 = Pg_WHITE; |
82 | cursor->ph_cursor->size2.x = (short)w; |
83 | cursor->ph_cursor->size2.y = (short)h; |
84 | cursor->ph_cursor->offset2.x = (short)hot_x; |
85 | cursor->ph_cursor->offset2.y = (short)hot_y; |
86 | cursor->ph_cursor->bytesperline2 = (char)w/8; |
87 | cursor->ph_cursor->color2 = Pg_BLACK; |
88 | |
89 | clen = (w/8)*h; |
90 | |
91 | /* Copy the mask and the data to different bitmap planes */ |
92 | for (i=0; i<clen; ++i) |
93 | { |
94 | for (bit = 0; bit < 8; bit++) |
95 | { |
96 | databit = data[i] & (1 << bit); |
97 | maskbit = mask[i] & (1 << bit); |
98 | |
99 | cursor->ph_cursor->images[i] |= (databit == 0) ? maskbit : 0; |
100 | /* If the databit != 0, treat it as a black pixel and |
101 | * ignore the maskbit (can't do an inverted color) */ |
102 | cursor->ph_cursor->images[i+clen] |= databit; |
103 | } |
104 | } |
105 | |
106 | /* #bytes following the hdr struct */ |
107 | cursor->ph_cursor->hdr.len =sizeof(PhCursorDef_t) + clen*2 - sizeof(PhRegionDataHdr_t); |
108 | |
109 | return (cursor); |
110 | } |
111 | |
112 | PhCursorDef_t ph_GetWMPhCursor(WMcursor *cursor) |
113 | { |
114 | return (*cursor->ph_cursor); |
115 | } |
116 | |
117 | int ph_ShowWMCursor(_THIS, WMcursor* cursor) |
118 | { |
119 | PtArg_t args[3]; |
120 | int nargs = 0; |
121 | |
122 | /* Don't do anything if the display is gone */ |
123 | if (window == NULL) |
124 | { |
125 | return (0); |
126 | } |
127 | |
128 | /* looks like photon can't draw mouse cursor in direct mode */ |
129 | if ((this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) |
130 | { |
131 | /* disable the fake mouse in the fullscreen OpenGL mode */ |
132 | if ((this->screen->flags & SDL_OPENGL) == SDL_OPENGL) |
133 | { |
134 | cursor=NULL; |
135 | } |
136 | else |
137 | { |
138 | return (0); |
139 | } |
140 | } |
141 | |
142 | /* Set the photon cursor, or blank if cursor is NULL */ |
143 | if (cursor!=NULL) |
144 | { |
145 | PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0); |
146 | /* Could set next to any PgColor_t value */ |
147 | PtSetArg(&args[1], Pt_ARG_CURSOR_COLOR, Ph_CURSOR_DEFAULT_COLOR , 0); |
148 | PtSetArg(&args[2], Pt_ARG_BITMAP_CURSOR, cursor->ph_cursor, (cursor->ph_cursor->hdr.len + sizeof(PhRegionDataHdr_t))); |
149 | nargs = 3; |
150 | } |
151 | else /* Ph_CURSOR_NONE */ |
152 | { |
153 | PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0); |
154 | nargs = 1; |
155 | } |
156 | |
157 | SDL_Lock_EventThread(); |
158 | |
159 | if (PtSetResources(window, nargs, args) < 0 ) |
160 | { |
161 | return (0); |
162 | } |
163 | |
164 | SDL_Unlock_EventThread(); |
165 | |
166 | return (1); |
167 | } |
168 | |
169 | |
170 | void ph_WarpWMCursor(_THIS, Uint16 x, Uint16 y) |
171 | { |
172 | short abs_x, abs_y; |
173 | |
174 | SDL_Lock_EventThread(); |
175 | PtGetAbsPosition( window, &abs_x, &abs_y ); |
176 | PhMoveCursorAbs( PhInputGroup(NULL), x + abs_x, y + abs_y ); |
177 | SDL_Unlock_EventThread(); |
178 | } |
179 | |
180 | |
181 | void ph_CheckMouseMode(_THIS) |
182 | { |
183 | /* If the mouse is hidden and input is grabbed, we use relative mode */ |
184 | if ( !(SDL_cursorstate & CURSOR_VISIBLE) && (this->input_grab != SDL_GRAB_OFF)) |
185 | { |
186 | mouse_relative = 1; |
187 | } |
188 | else |
189 | { |
190 | mouse_relative = 0; |
191 | } |
192 | } |
193 | |
194 | |
195 | void ph_UpdateMouse(_THIS) |
196 | { |
197 | PhCursorInfo_t phcursor; |
198 | short abs_x; |
199 | short abs_y; |
200 | |
201 | /* Lock the event thread, in multi-threading environments */ |
202 | SDL_Lock_EventThread(); |
203 | |
204 | /* synchronizing photon mouse cursor position and SDL mouse position, if cursor appears over window. */ |
205 | PtGetAbsPosition(window, &abs_x, &abs_y); |
206 | PhQueryCursor(PhInputGroup(NULL), &phcursor); |
207 | if (((phcursor.pos.x >= abs_x) && (phcursor.pos.x <= abs_x + this->screen->w)) && |
208 | ((phcursor.pos.y >= abs_y) && (phcursor.pos.y <= abs_y + this->screen->h))) |
209 | { |
210 | SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); |
211 | SDL_PrivateMouseMotion(0, 0, phcursor.pos.x-abs_x, phcursor.pos.y-abs_y); |
212 | } |
213 | else |
214 | { |
215 | SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); |
216 | } |
217 | |
218 | /* Unlock the event thread, in multi-threading environments */ |
219 | SDL_Unlock_EventThread(); |
220 | } |