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 | /* |
25 | * GEM Mouse manager |
26 | * |
27 | * Patrice Mandin |
28 | */ |
29 | |
30 | #include <gem.h> |
31 | |
32 | #include "SDL_mouse.h" |
33 | #include "../../events/SDL_events_c.h" |
34 | #include "../SDL_cursor_c.h" |
35 | #include "SDL_gemmouse_c.h" |
36 | #include "SDL_gemvideo.h" |
37 | |
38 | /* Defines */ |
39 | |
40 | /*#define DEBUG_VIDEO_GEM 1*/ |
41 | |
42 | #define MAXCURWIDTH 16 |
43 | #define MAXCURHEIGHT 16 |
44 | |
45 | void GEM_FreeWMCursor(_THIS, WMcursor *cursor) |
46 | { |
47 | #ifdef DEBUG_VIDEO_GEM |
48 | printf("sdl:video:gem: free cursor\n"); |
49 | #endif |
50 | |
51 | if (cursor == NULL) |
52 | return; |
53 | |
54 | graf_mouse(ARROW, NULL); |
55 | |
56 | if (cursor->mform_p != NULL) |
57 | SDL_free(cursor->mform_p); |
58 | |
59 | SDL_free(cursor); |
60 | } |
61 | |
62 | WMcursor *GEM_CreateWMCursor(_THIS, |
63 | Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) |
64 | { |
65 | WMcursor *cursor; |
66 | MFORM *new_mform; |
67 | int i; |
68 | |
69 | #ifdef DEBUG_VIDEO_GEM |
70 | Uint16 *data1, *mask1; |
71 | |
72 | printf("sdl:video:gem: create cursor\n"); |
73 | #endif |
74 | |
75 | /* Check the size */ |
76 | if ( (w > MAXCURWIDTH) || (h > MAXCURHEIGHT) ) { |
77 | SDL_SetError("Only cursors of dimension (%dx%d) are allowed", |
78 | MAXCURWIDTH, MAXCURHEIGHT); |
79 | return(NULL); |
80 | } |
81 | |
82 | /* Allocate the cursor memory */ |
83 | cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor)); |
84 | if ( cursor == NULL ) { |
85 | SDL_OutOfMemory(); |
86 | return(NULL); |
87 | } |
88 | |
89 | /* Allocate mform */ |
90 | new_mform = (MFORM *)SDL_malloc(sizeof(MFORM)); |
91 | if (new_mform == NULL) { |
92 | SDL_free(cursor); |
93 | SDL_OutOfMemory(); |
94 | return(NULL); |
95 | } |
96 | |
97 | cursor->mform_p = new_mform; |
98 | |
99 | new_mform->mf_xhot = hot_x; |
100 | new_mform->mf_yhot = hot_y; |
101 | new_mform->mf_nplanes = 1; |
102 | new_mform->mf_fg = 0; |
103 | new_mform->mf_bg = 1; |
104 | |
105 | for (i=0;i<MAXCURHEIGHT;i++) { |
106 | new_mform->mf_mask[i]=0; |
107 | new_mform->mf_data[i]=0; |
108 | #ifdef DEBUG_VIDEO_GEM |
109 | data1 = (Uint16 *) &data[i<<1]; |
110 | mask1 = (Uint16 *) &mask[i<<1]; |
111 | printf("sdl:video:gem: source: line %d: data=0x%04x, mask=0x%04x\n", |
112 | i, data1[i], mask1[i]); |
113 | #endif |
114 | } |
115 | |
116 | if (w<=8) { |
117 | for (i=0;i<h;i++) { |
118 | new_mform->mf_mask[i]= mask[i]<<8; |
119 | new_mform->mf_data[i]= data[i]<<8; |
120 | } |
121 | } else { |
122 | for (i=0;i<h;i++) { |
123 | new_mform->mf_mask[i]= (mask[i<<1]<<8) | mask[(i<<1)+1]; |
124 | new_mform->mf_data[i]= (data[i<<1]<<8) | data[(i<<1)+1]; |
125 | } |
126 | } |
127 | |
128 | #ifdef DEBUG_VIDEO_GEM |
129 | for (i=0; i<h ;i++) { |
130 | printf("sdl:video:gem: cursor: line %d: data=0x%04x, mask=0x%04x\n", |
131 | i, new_mform->mf_data[i], new_mform->mf_mask[i]); |
132 | } |
133 | |
134 | printf("sdl:video:gem: CreateWMCursor(): done\n"); |
135 | #endif |
136 | |
137 | return cursor; |
138 | } |
139 | |
140 | int GEM_ShowWMCursor(_THIS, WMcursor *cursor) |
141 | { |
142 | GEM_cursor = cursor; |
143 | |
144 | GEM_CheckMouseMode(this); |
145 | |
146 | #ifdef DEBUG_VIDEO_GEM |
147 | printf("sdl:video:gem: ShowWMCursor(0x%08x)\n", (long) cursor); |
148 | #endif |
149 | |
150 | return 1; |
151 | } |
152 | |
153 | #if 0 |
154 | void GEM_WarpWMCursor(_THIS, Uint16 x, Uint16 y) |
155 | { |
156 | /* This seems to work only on AES 3.4 (Falcon) */ |
157 | |
158 | EVNTREC warpevent; |
159 | |
160 | warpevent.ap_event = APPEVNT_MOUSE; |
161 | warpevent.ap_value = (x << 16) | y; |
162 | |
163 | appl_tplay(&warpevent, 1, 1000); |
164 | } |
165 | #endif |
166 | |
167 | void GEM_CheckMouseMode(_THIS) |
168 | { |
169 | const Uint8 full_focus = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); |
170 | int set_system_cursor = 1, show_system_cursor = 1; |
171 | |
172 | #ifdef DEBUG_VIDEO_GEM |
173 | printf("sdl:video:gem: check mouse mode\n"); |
174 | #endif |
175 | |
176 | /* If the mouse is hidden and input is grabbed, we use relative mode */ |
177 | GEM_mouse_relative = (!(SDL_cursorstate & CURSOR_VISIBLE)) |
178 | && (this->input_grab != SDL_GRAB_OFF) |
179 | && (SDL_GetAppState() & SDL_APPACTIVE); |
180 | SDL_AtariXbios_LockMousePosition(GEM_mouse_relative); |
181 | |
182 | if (SDL_cursorstate & CURSOR_VISIBLE) { |
183 | /* Application defined cursor only over the application window */ |
184 | if ((SDL_GetAppState() & full_focus) == full_focus) { |
185 | if (GEM_cursor) { |
186 | graf_mouse(USER_DEF, GEM_cursor->mform_p); |
187 | set_system_cursor = 0; |
188 | } else { |
189 | show_system_cursor = 0; |
190 | } |
191 | } |
192 | } else { |
193 | /* Mouse cursor hidden only over the application window */ |
194 | if ((SDL_GetAppState() & full_focus) == full_focus) { |
195 | set_system_cursor = 0; |
196 | show_system_cursor = 0; |
197 | } |
198 | } |
199 | |
200 | graf_mouse(show_system_cursor ? M_ON : M_OFF, NULL); |
201 | if (set_system_cursor) { |
202 | graf_mouse(ARROW, NULL); |
203 | } |
204 | } |