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1 | 0f0b7264 | bellard | /*
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2 | 0f0b7264 | bellard | * QEMU SDL display driver
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3 | 0f0b7264 | bellard | *
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4 | 0f0b7264 | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | 0f0b7264 | bellard | *
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6 | 0f0b7264 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 0f0b7264 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 0f0b7264 | bellard | * in the Software without restriction, including without limitation the rights
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9 | 0f0b7264 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 0f0b7264 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 0f0b7264 | bellard | * furnished to do so, subject to the following conditions:
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12 | 0f0b7264 | bellard | *
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13 | 0f0b7264 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 0f0b7264 | bellard | * all copies or substantial portions of the Software.
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15 | 0f0b7264 | bellard | *
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16 | 0f0b7264 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 0f0b7264 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 0f0b7264 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 0f0b7264 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 0f0b7264 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 0f0b7264 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 0f0b7264 | bellard | * THE SOFTWARE.
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23 | 0f0b7264 | bellard | */
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24 | 67b915a5 | bellard | #include "vl.h" |
25 | 0f0b7264 | bellard | |
26 | 0f0b7264 | bellard | #include <SDL.h> |
27 | 0f0b7264 | bellard | |
28 | 67b915a5 | bellard | #ifndef _WIN32
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29 | 67b915a5 | bellard | #include <signal.h> |
30 | 67b915a5 | bellard | #endif
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31 | 0f0b7264 | bellard | |
32 | 0f0b7264 | bellard | static SDL_Surface *screen;
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33 | 0f0b7264 | bellard | static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ |
34 | 8a7ddc38 | bellard | static int last_vm_running; |
35 | 0f0b7264 | bellard | |
36 | 0f0b7264 | bellard | static void sdl_update(DisplayState *ds, int x, int y, int w, int h) |
37 | 0f0b7264 | bellard | { |
38 | 898712a8 | bellard | // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
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39 | 0f0b7264 | bellard | SDL_UpdateRect(screen, x, y, w, h); |
40 | 0f0b7264 | bellard | } |
41 | 0f0b7264 | bellard | |
42 | 0f0b7264 | bellard | static void sdl_resize(DisplayState *ds, int w, int h) |
43 | 0f0b7264 | bellard | { |
44 | 0f0b7264 | bellard | int flags;
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45 | 0f0b7264 | bellard | |
46 | 0f0b7264 | bellard | // printf("resizing to %d %d\n", w, h);
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47 | 0f0b7264 | bellard | |
48 | 0f0b7264 | bellard | flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; |
49 | 0f0b7264 | bellard | flags |= SDL_RESIZABLE; |
50 | 0f0b7264 | bellard | screen = SDL_SetVideoMode(w, h, 0, flags);
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51 | 0f0b7264 | bellard | if (!screen) {
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52 | 0f0b7264 | bellard | fprintf(stderr, "Could not open SDL display\n");
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53 | 0f0b7264 | bellard | exit(1);
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54 | 0f0b7264 | bellard | } |
55 | 0f0b7264 | bellard | ds->data = screen->pixels; |
56 | 0f0b7264 | bellard | ds->linesize = screen->pitch; |
57 | 0f0b7264 | bellard | ds->depth = screen->format->BitsPerPixel; |
58 | 0f0b7264 | bellard | } |
59 | 0f0b7264 | bellard | |
60 | 0f0b7264 | bellard | static const uint32_t x_keycode_to_pc_keycode[61] = { |
61 | 0f0b7264 | bellard | 0x47e0, /* 97 Home */ |
62 | 0f0b7264 | bellard | 0x48e0, /* 98 Up */ |
63 | 0f0b7264 | bellard | 0x49e0, /* 99 PgUp */ |
64 | 0f0b7264 | bellard | 0x4be0, /* 100 Left */ |
65 | 0f0b7264 | bellard | 0x4c, /* 101 KP-5 */ |
66 | 0f0b7264 | bellard | 0x4de0, /* 102 Right */ |
67 | 0f0b7264 | bellard | 0x4fe0, /* 103 End */ |
68 | 0f0b7264 | bellard | 0x50e0, /* 104 Down */ |
69 | 0f0b7264 | bellard | 0x51e0, /* 105 PgDn */ |
70 | 0f0b7264 | bellard | 0x52e0, /* 106 Ins */ |
71 | 0f0b7264 | bellard | 0x53e0, /* 107 Del */ |
72 | 0f0b7264 | bellard | 0x1ce0, /* 108 Enter */ |
73 | 0f0b7264 | bellard | 0x1de0, /* 109 Ctrl-R */ |
74 | 0f0b7264 | bellard | 0x451de1, /* 110 Pause */ |
75 | 0f0b7264 | bellard | 0x37e0, /* 111 Print */ |
76 | 0f0b7264 | bellard | 0x35e0, /* 112 Divide */ |
77 | 0f0b7264 | bellard | 0x38e0, /* 113 Alt-R */ |
78 | 0f0b7264 | bellard | 0x46e0, /* 114 Break */ |
79 | 0f0b7264 | bellard | 0x0, /* 115 */ |
80 | 0f0b7264 | bellard | 0x0, /* 116 */ |
81 | 0f0b7264 | bellard | 0x0, /* 117 */ |
82 | 0f0b7264 | bellard | 0x0, /* 118 */ |
83 | 0f0b7264 | bellard | 0x0, /* 119 */ |
84 | 0f0b7264 | bellard | 0x0, /* 120 */ |
85 | 0f0b7264 | bellard | 0x0, /* 121 */ |
86 | 0f0b7264 | bellard | 0x0, /* 122 */ |
87 | 0f0b7264 | bellard | 0x0, /* 123 */ |
88 | 0f0b7264 | bellard | 0x0, /* 124 */ |
89 | 0f0b7264 | bellard | 0x0, /* 125 */ |
90 | 0f0b7264 | bellard | 0x0, /* 126 */ |
91 | 0f0b7264 | bellard | 0x0, /* 127 */ |
92 | 0f0b7264 | bellard | 0x0, /* 128 */ |
93 | 0f0b7264 | bellard | 0x0, /* 129 */ |
94 | 0f0b7264 | bellard | 0x0, /* 130 */ |
95 | 0f0b7264 | bellard | 0x0, /* 131 */ |
96 | 0f0b7264 | bellard | 0x0, /* 132 */ |
97 | 0f0b7264 | bellard | 0x0, /* 133 */ |
98 | 0f0b7264 | bellard | 0x0, /* 134 */ |
99 | 0f0b7264 | bellard | 0x0, /* 135 */ |
100 | 0f0b7264 | bellard | 0x47, /* 136 KP_7 */ |
101 | 0f0b7264 | bellard | 0x48, /* 137 KP_8 */ |
102 | 0f0b7264 | bellard | 0x49, /* 138 KP_9 */ |
103 | 0f0b7264 | bellard | 0x4b, /* 139 KP_4 */ |
104 | 0f0b7264 | bellard | 0x4c, /* 140 KP_5 */ |
105 | 0f0b7264 | bellard | 0x4d, /* 141 KP_6 */ |
106 | 0f0b7264 | bellard | 0x4f, /* 142 KP_1 */ |
107 | 0f0b7264 | bellard | 0x50, /* 143 KP_2 */ |
108 | 0f0b7264 | bellard | 0x51, /* 144 KP_3 */ |
109 | 0f0b7264 | bellard | 0x52, /* 145 KP_0 */ |
110 | 0f0b7264 | bellard | 0x53, /* 146 KP_. */ |
111 | 0f0b7264 | bellard | 0x47, /* 147 KP_HOME */ |
112 | 0f0b7264 | bellard | 0x48, /* 148 KP_UP */ |
113 | 0f0b7264 | bellard | 0x49, /* 149 KP_PgUp */ |
114 | 0f0b7264 | bellard | 0x4b, /* 150 KP_Left */ |
115 | 0f0b7264 | bellard | 0x4c, /* 151 KP_ */ |
116 | 0f0b7264 | bellard | 0x4d, /* 152 KP_Right */ |
117 | 0f0b7264 | bellard | 0x4f, /* 153 KP_End */ |
118 | 0f0b7264 | bellard | 0x50, /* 154 KP_Down */ |
119 | 0f0b7264 | bellard | 0x51, /* 155 KP_PgDn */ |
120 | 0f0b7264 | bellard | 0x52, /* 156 KP_Ins */ |
121 | 0f0b7264 | bellard | 0x53, /* 157 KP_Del */ |
122 | 0f0b7264 | bellard | }; |
123 | 0f0b7264 | bellard | |
124 | 0f0b7264 | bellard | static void sdl_process_key(SDL_KeyboardEvent *ev) |
125 | 0f0b7264 | bellard | { |
126 | 0f0b7264 | bellard | int keycode, v;
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127 | 0f0b7264 | bellard | |
128 | 0f0b7264 | bellard | /* XXX: not portable, but avoids complicated mappings */
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129 | 0f0b7264 | bellard | keycode = ev->keysym.scancode; |
130 | aaba6c15 | bellard | #ifdef _WIN32
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131 | aaba6c15 | bellard | if (keycode < 97) { |
132 | aaba6c15 | bellard | /* nothing to do */
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133 | aaba6c15 | bellard | } else
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134 | aaba6c15 | bellard | #else
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135 | 0f0b7264 | bellard | if (keycode < 9) { |
136 | 0f0b7264 | bellard | keycode = 0;
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137 | 0f0b7264 | bellard | } else if (keycode < 97) { |
138 | 0f0b7264 | bellard | keycode -= 8; /* just an offset */ |
139 | aaba6c15 | bellard | } else
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140 | aaba6c15 | bellard | #endif
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141 | aaba6c15 | bellard | if (keycode < 158) { |
142 | 0f0b7264 | bellard | /* use conversion table */
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143 | 0f0b7264 | bellard | keycode = x_keycode_to_pc_keycode[keycode - 97];
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144 | 0f0b7264 | bellard | } else {
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145 | 0f0b7264 | bellard | keycode = 0;
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146 | 0f0b7264 | bellard | } |
147 | 0f0b7264 | bellard | |
148 | 0f0b7264 | bellard | /* now send the key code */
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149 | 0f0b7264 | bellard | while (keycode != 0) { |
150 | 0f0b7264 | bellard | v = keycode & 0xff;
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151 | 0f0b7264 | bellard | if (ev->type == SDL_KEYUP)
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152 | 0f0b7264 | bellard | v |= 0x80;
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153 | 0f0b7264 | bellard | kbd_put_keycode(v); |
154 | 0f0b7264 | bellard | keycode >>= 8;
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155 | 0f0b7264 | bellard | } |
156 | 0f0b7264 | bellard | } |
157 | 0f0b7264 | bellard | |
158 | 8a7ddc38 | bellard | static void sdl_update_caption(void) |
159 | 8a7ddc38 | bellard | { |
160 | 8a7ddc38 | bellard | char buf[1024]; |
161 | 8a7ddc38 | bellard | strcpy(buf, "QEMU");
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162 | 8a7ddc38 | bellard | if (!vm_running) {
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163 | 8a7ddc38 | bellard | strcat(buf, " [Stopped]");
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164 | 8a7ddc38 | bellard | } |
165 | 8a7ddc38 | bellard | if (gui_grab) {
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166 | 8a7ddc38 | bellard | strcat(buf, " - Press Ctrl-Shift to exit grab");
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167 | 8a7ddc38 | bellard | } |
168 | 8a7ddc38 | bellard | SDL_WM_SetCaption(buf, "QEMU");
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169 | 8a7ddc38 | bellard | } |
170 | 8a7ddc38 | bellard | |
171 | 0f0b7264 | bellard | static void sdl_grab_start(void) |
172 | 0f0b7264 | bellard | { |
173 | 0f0b7264 | bellard | SDL_ShowCursor(0);
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174 | 0f0b7264 | bellard | SDL_WM_GrabInput(SDL_GRAB_ON); |
175 | 0f0b7264 | bellard | /* dummy read to avoid moving the mouse */
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176 | 0f0b7264 | bellard | SDL_GetRelativeMouseState(NULL, NULL); |
177 | 0f0b7264 | bellard | gui_grab = 1;
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178 | 8a7ddc38 | bellard | sdl_update_caption(); |
179 | 0f0b7264 | bellard | } |
180 | 0f0b7264 | bellard | |
181 | 0f0b7264 | bellard | static void sdl_grab_end(void) |
182 | 0f0b7264 | bellard | { |
183 | 0f0b7264 | bellard | SDL_WM_GrabInput(SDL_GRAB_OFF); |
184 | 0f0b7264 | bellard | SDL_ShowCursor(1);
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185 | 0f0b7264 | bellard | gui_grab = 0;
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186 | 8a7ddc38 | bellard | sdl_update_caption(); |
187 | 0f0b7264 | bellard | } |
188 | 0f0b7264 | bellard | |
189 | 0f0b7264 | bellard | static void sdl_send_mouse_event(void) |
190 | 0f0b7264 | bellard | { |
191 | 0f0b7264 | bellard | int dx, dy, dz, state, buttons;
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192 | 0f0b7264 | bellard | state = SDL_GetRelativeMouseState(&dx, &dy); |
193 | 0f0b7264 | bellard | buttons = 0;
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194 | 0f0b7264 | bellard | if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
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195 | 0f0b7264 | bellard | buttons |= MOUSE_EVENT_LBUTTON; |
196 | 0f0b7264 | bellard | if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
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197 | 0f0b7264 | bellard | buttons |= MOUSE_EVENT_RBUTTON; |
198 | 0f0b7264 | bellard | if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
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199 | 0f0b7264 | bellard | buttons |= MOUSE_EVENT_MBUTTON; |
200 | 0f0b7264 | bellard | /* XXX: test wheel */
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201 | 0f0b7264 | bellard | dz = 0;
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202 | 8351d2d4 | bellard | #ifdef SDL_BUTTON_WHEELUP
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203 | 0f0b7264 | bellard | if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
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204 | 0f0b7264 | bellard | dz--; |
205 | 0f0b7264 | bellard | if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
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206 | 0f0b7264 | bellard | dz++; |
207 | 8351d2d4 | bellard | #endif
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208 | 0f0b7264 | bellard | kbd_mouse_event(dx, dy, dz, buttons); |
209 | 0f0b7264 | bellard | } |
210 | 0f0b7264 | bellard | |
211 | 0f0b7264 | bellard | static void sdl_refresh(DisplayState *ds) |
212 | 0f0b7264 | bellard | { |
213 | 0f0b7264 | bellard | SDL_Event ev1, *ev = &ev1; |
214 | 0f0b7264 | bellard | |
215 | 8a7ddc38 | bellard | if (last_vm_running != vm_running) {
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216 | 8a7ddc38 | bellard | last_vm_running = vm_running; |
217 | 8a7ddc38 | bellard | sdl_update_caption(); |
218 | 8a7ddc38 | bellard | } |
219 | 8a7ddc38 | bellard | |
220 | 0f0b7264 | bellard | vga_update_display(); |
221 | 0f0b7264 | bellard | while (SDL_PollEvent(ev)) {
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222 | 0f0b7264 | bellard | switch (ev->type) {
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223 | 0f0b7264 | bellard | case SDL_VIDEOEXPOSE:
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224 | 0f0b7264 | bellard | sdl_update(ds, 0, 0, screen->w, screen->h); |
225 | 0f0b7264 | bellard | break;
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226 | 0f0b7264 | bellard | case SDL_KEYDOWN:
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227 | 0f0b7264 | bellard | case SDL_KEYUP:
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228 | 0f0b7264 | bellard | if (ev->type == SDL_KEYDOWN) {
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229 | 0f0b7264 | bellard | if ((SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) ==
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230 | 0f0b7264 | bellard | (KMOD_LSHIFT | KMOD_LCTRL)) { |
231 | 0f0b7264 | bellard | /* exit/enter grab if pressing Ctrl-Shift */
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232 | 0f0b7264 | bellard | if (!gui_grab)
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233 | 0f0b7264 | bellard | sdl_grab_start(); |
234 | 0f0b7264 | bellard | else
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235 | 0f0b7264 | bellard | sdl_grab_end(); |
236 | 0f0b7264 | bellard | } |
237 | 0f0b7264 | bellard | } |
238 | 0f0b7264 | bellard | sdl_process_key(&ev->key); |
239 | 0f0b7264 | bellard | break;
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240 | 0f0b7264 | bellard | case SDL_QUIT:
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241 | 0f0b7264 | bellard | reset_requested = 1;
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242 | 0f0b7264 | bellard | break;
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243 | 0f0b7264 | bellard | case SDL_MOUSEMOTION:
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244 | 0f0b7264 | bellard | if (gui_grab) {
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245 | 0f0b7264 | bellard | sdl_send_mouse_event(); |
246 | 0f0b7264 | bellard | } |
247 | 0f0b7264 | bellard | break;
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248 | 0f0b7264 | bellard | case SDL_MOUSEBUTTONDOWN:
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249 | 0f0b7264 | bellard | case SDL_MOUSEBUTTONUP:
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250 | 0f0b7264 | bellard | { |
251 | 0f0b7264 | bellard | SDL_MouseButtonEvent *bev = &ev->button; |
252 | 0f0b7264 | bellard | if (!gui_grab) {
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253 | 0f0b7264 | bellard | if (ev->type == SDL_MOUSEBUTTONDOWN &&
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254 | 0f0b7264 | bellard | (bev->state & SDL_BUTTON_LMASK)) { |
255 | 0f0b7264 | bellard | /* start grabbing all events */
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256 | 0f0b7264 | bellard | sdl_grab_start(); |
257 | 0f0b7264 | bellard | } |
258 | 0f0b7264 | bellard | } else {
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259 | 0f0b7264 | bellard | sdl_send_mouse_event(); |
260 | 0f0b7264 | bellard | } |
261 | 0f0b7264 | bellard | } |
262 | 0f0b7264 | bellard | break;
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263 | 0f0b7264 | bellard | default:
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264 | 0f0b7264 | bellard | break;
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265 | 0f0b7264 | bellard | } |
266 | 0f0b7264 | bellard | } |
267 | 0f0b7264 | bellard | } |
268 | 0f0b7264 | bellard | |
269 | 898712a8 | bellard | static void sdl_cleanup(void) |
270 | 898712a8 | bellard | { |
271 | 898712a8 | bellard | SDL_Quit(); |
272 | 898712a8 | bellard | } |
273 | 898712a8 | bellard | |
274 | 0f0b7264 | bellard | void sdl_display_init(DisplayState *ds)
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275 | 0f0b7264 | bellard | { |
276 | 0f0b7264 | bellard | int flags;
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277 | 0f0b7264 | bellard | |
278 | 0f0b7264 | bellard | flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
279 | 0f0b7264 | bellard | if (SDL_Init (flags)) {
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280 | 0f0b7264 | bellard | fprintf(stderr, "Could not initialize SDL - exiting\n");
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281 | 0f0b7264 | bellard | exit(1);
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282 | 0f0b7264 | bellard | } |
283 | 67b915a5 | bellard | |
284 | 67b915a5 | bellard | #ifndef _WIN32
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285 | 0ae04d73 | bellard | /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
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286 | 0ae04d73 | bellard | signal(SIGINT, SIG_DFL); |
287 | 0ae04d73 | bellard | signal(SIGQUIT, SIG_DFL); |
288 | 67b915a5 | bellard | #endif
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289 | 0ae04d73 | bellard | |
290 | 0f0b7264 | bellard | ds->dpy_update = sdl_update; |
291 | 0f0b7264 | bellard | ds->dpy_resize = sdl_resize; |
292 | 0f0b7264 | bellard | ds->dpy_refresh = sdl_refresh; |
293 | 0f0b7264 | bellard | |
294 | 0f0b7264 | bellard | sdl_resize(ds, 640, 400); |
295 | 8a7ddc38 | bellard | sdl_update_caption(); |
296 | 0f0b7264 | bellard | SDL_EnableKeyRepeat(250, 50); |
297 | 0f0b7264 | bellard | gui_grab = 0;
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298 | 898712a8 | bellard | |
299 | 898712a8 | bellard | atexit(sdl_cleanup); |
300 | 0f0b7264 | bellard | } |