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/*
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* QEMU SDL display driver
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "vl.h" |
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#include <SDL.h> |
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#ifndef _WIN32
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#include <signal.h> |
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#endif
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static SDL_Surface *screen;
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static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ |
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static int last_vm_running; |
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static int gui_saved_grab; |
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static int gui_fullscreen; |
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static int gui_key_modifier_pressed; |
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static int gui_keysym; |
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static int gui_fullscreen_initial_grab; |
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static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; |
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static uint8_t modifiers_state[256]; |
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static int width, height; |
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static SDL_Cursor *sdl_cursor_normal;
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static SDL_Cursor *sdl_cursor_hidden;
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static int absolute_enabled = 0; |
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static void sdl_update(DisplayState *ds, int x, int y, int w, int h) |
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{ |
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// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
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SDL_UpdateRect(screen, x, y, w, h); |
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} |
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static void sdl_resize(DisplayState *ds, int w, int h) |
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{ |
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int flags;
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// printf("resizing to %d %d\n", w, h);
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flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; |
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if (gui_fullscreen)
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flags |= SDL_FULLSCREEN; |
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width = w; |
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height = h; |
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again:
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screen = SDL_SetVideoMode(w, h, 0, flags);
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if (!screen) {
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fprintf(stderr, "Could not open SDL display\n");
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exit(1);
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} |
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if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
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flags &= ~SDL_HWSURFACE; |
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goto again;
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} |
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if (!screen->pixels) {
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fprintf(stderr, "Could not open SDL display\n");
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exit(1);
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} |
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ds->data = screen->pixels; |
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ds->linesize = screen->pitch; |
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ds->depth = screen->format->BitsPerPixel; |
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if (ds->depth == 32 && screen->format->Rshift == 0) { |
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ds->bgr = 1;
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} else {
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ds->bgr = 0;
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} |
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ds->width = w; |
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ds->height = h; |
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} |
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/* generic keyboard conversion */
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#include "sdl_keysym.h" |
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#include "keymaps.c" |
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static kbd_layout_t *kbd_layout = NULL; |
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static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev) |
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{ |
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int keysym;
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/* workaround for X11+SDL bug with AltGR */
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keysym = ev->keysym.sym; |
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if (keysym == 0 && ev->keysym.scancode == 113) |
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keysym = SDLK_MODE; |
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return keysym2scancode(kbd_layout, keysym);
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} |
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/* specific keyboard conversions from scan codes */
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#if defined(_WIN32)
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static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
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{ |
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return ev->keysym.scancode;
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} |
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#else
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static const uint8_t x_keycode_to_pc_keycode[61] = { |
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0xc7, /* 97 Home */ |
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0xc8, /* 98 Up */ |
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0xc9, /* 99 PgUp */ |
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0xcb, /* 100 Left */ |
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0x4c, /* 101 KP-5 */ |
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0xcd, /* 102 Right */ |
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0xcf, /* 103 End */ |
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0xd0, /* 104 Down */ |
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0xd1, /* 105 PgDn */ |
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0xd2, /* 106 Ins */ |
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0xd3, /* 107 Del */ |
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0x9c, /* 108 Enter */ |
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0x9d, /* 109 Ctrl-R */ |
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0x0, /* 110 Pause */ |
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0xb7, /* 111 Print */ |
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0xb5, /* 112 Divide */ |
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0xb8, /* 113 Alt-R */ |
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0xc6, /* 114 Break */ |
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0x0, /* 115 */ |
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0x0, /* 116 */ |
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0x0, /* 117 */ |
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0x0, /* 118 */ |
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0x0, /* 119 */ |
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0x70, /* 120 Hiragana_Katakana */ |
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0x0, /* 121 */ |
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0x0, /* 122 */ |
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0x73, /* 123 backslash */ |
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0x0, /* 124 */ |
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0x0, /* 125 */ |
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0x0, /* 126 */ |
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0x0, /* 127 */ |
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0x0, /* 128 */ |
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0x79, /* 129 Henkan */ |
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0x0, /* 130 */ |
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0x7b, /* 131 Muhenkan */ |
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0x0, /* 132 */ |
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0x7d, /* 133 Yen */ |
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0x0, /* 134 */ |
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0x0, /* 135 */ |
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0x47, /* 136 KP_7 */ |
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0x48, /* 137 KP_8 */ |
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0x49, /* 138 KP_9 */ |
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0x4b, /* 139 KP_4 */ |
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0x4c, /* 140 KP_5 */ |
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0x4d, /* 141 KP_6 */ |
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0x4f, /* 142 KP_1 */ |
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0x50, /* 143 KP_2 */ |
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0x51, /* 144 KP_3 */ |
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0x52, /* 145 KP_0 */ |
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0x53, /* 146 KP_. */ |
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0x47, /* 147 KP_HOME */ |
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0x48, /* 148 KP_UP */ |
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0x49, /* 149 KP_PgUp */ |
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0x4b, /* 150 KP_Left */ |
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0x4c, /* 151 KP_ */ |
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0x4d, /* 152 KP_Right */ |
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0x4f, /* 153 KP_End */ |
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0x50, /* 154 KP_Down */ |
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0x51, /* 155 KP_PgDn */ |
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0x52, /* 156 KP_Ins */ |
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0x53, /* 157 KP_Del */ |
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}; |
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static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
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{ |
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int keycode;
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keycode = ev->keysym.scancode; |
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if (keycode < 9) { |
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keycode = 0;
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} else if (keycode < 97) { |
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keycode -= 8; /* just an offset */ |
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} else if (keycode < 158) { |
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/* use conversion table */
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keycode = x_keycode_to_pc_keycode[keycode - 97];
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} else {
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keycode = 0;
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} |
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return keycode;
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} |
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#endif
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static void reset_keys(void) |
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{ |
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int i;
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for(i = 0; i < 256; i++) { |
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if (modifiers_state[i]) {
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if (i & 0x80) |
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kbd_put_keycode(0xe0);
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kbd_put_keycode(i | 0x80);
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modifiers_state[i] = 0;
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} |
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} |
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} |
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static void sdl_process_key(SDL_KeyboardEvent *ev) |
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{ |
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int keycode, v;
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if (ev->keysym.sym == SDLK_PAUSE) {
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/* specific case */
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v = 0;
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if (ev->type == SDL_KEYUP)
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v |= 0x80;
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kbd_put_keycode(0xe1);
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kbd_put_keycode(0x1d | v);
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kbd_put_keycode(0x45 | v);
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return;
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} |
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if (kbd_layout) {
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keycode = sdl_keyevent_to_keycode_generic(ev); |
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} else {
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keycode = sdl_keyevent_to_keycode(ev); |
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} |
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switch(keycode) {
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case 0x00: |
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/* sent when leaving window: reset the modifiers state */
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reset_keys(); |
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return;
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case 0x2a: /* Left Shift */ |
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case 0x36: /* Right Shift */ |
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case 0x1d: /* Left CTRL */ |
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case 0x9d: /* Right CTRL */ |
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case 0x38: /* Left ALT */ |
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case 0xb8: /* Right ALT */ |
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if (ev->type == SDL_KEYUP)
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modifiers_state[keycode] = 0;
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else
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modifiers_state[keycode] = 1;
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break;
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case 0x45: /* num lock */ |
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case 0x3a: /* caps lock */ |
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/* SDL does not send the key up event, so we generate it */
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kbd_put_keycode(keycode); |
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kbd_put_keycode(keycode | 0x80);
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return;
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} |
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/* now send the key code */
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if (keycode & 0x80) |
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kbd_put_keycode(0xe0);
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if (ev->type == SDL_KEYUP)
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kbd_put_keycode(keycode | 0x80);
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else
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kbd_put_keycode(keycode & 0x7f);
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} |
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static void sdl_update_caption(void) |
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{ |
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char buf[1024]; |
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strcpy(buf, "QEMU");
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if (!vm_running) {
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strcat(buf, " [Stopped]");
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} |
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if (gui_grab) {
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strcat(buf, " - Press Ctrl-Alt to exit grab");
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} |
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SDL_WM_SetCaption(buf, "QEMU");
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} |
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static void sdl_hide_cursor(void) |
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{ |
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if (kbd_mouse_is_absolute()) {
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SDL_ShowCursor(1);
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SDL_SetCursor(sdl_cursor_hidden); |
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} else {
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SDL_ShowCursor(0);
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} |
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} |
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static void sdl_show_cursor(void) |
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{ |
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if (!kbd_mouse_is_absolute()) {
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SDL_ShowCursor(1);
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} |
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} |
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static void sdl_grab_start(void) |
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{ |
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sdl_hide_cursor(); |
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SDL_WM_GrabInput(SDL_GRAB_ON); |
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/* dummy read to avoid moving the mouse */
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SDL_GetRelativeMouseState(NULL, NULL); |
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gui_grab = 1;
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sdl_update_caption(); |
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} |
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static void sdl_grab_end(void) |
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{ |
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SDL_WM_GrabInput(SDL_GRAB_OFF); |
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sdl_show_cursor(); |
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gui_grab = 0;
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sdl_update_caption(); |
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} |
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static void sdl_send_mouse_event(int dz) |
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{ |
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int dx, dy, state, buttons;
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state = SDL_GetRelativeMouseState(&dx, &dy); |
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buttons = 0;
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if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
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buttons |= MOUSE_EVENT_LBUTTON; |
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if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
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buttons |= MOUSE_EVENT_RBUTTON; |
330 |
if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
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buttons |= MOUSE_EVENT_MBUTTON; |
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if (kbd_mouse_is_absolute()) {
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if (!absolute_enabled) {
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sdl_hide_cursor(); |
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if (gui_grab) {
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sdl_grab_end(); |
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} |
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absolute_enabled = 1;
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} |
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SDL_GetMouseState(&dx, &dy); |
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dx = dx * 0x7FFF / width;
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dy = dy * 0x7FFF / height;
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} |
346 |
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kbd_mouse_event(dx, dy, dz, buttons); |
348 |
} |
349 |
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static void toggle_full_screen(DisplayState *ds) |
351 |
{ |
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gui_fullscreen = !gui_fullscreen; |
353 |
sdl_resize(ds, screen->w, screen->h); |
354 |
if (gui_fullscreen) {
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gui_saved_grab = gui_grab; |
356 |
sdl_grab_start(); |
357 |
} else {
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358 |
if (!gui_saved_grab)
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sdl_grab_end(); |
360 |
} |
361 |
vga_hw_invalidate(); |
362 |
vga_hw_update(); |
363 |
} |
364 |
|
365 |
static void sdl_refresh(DisplayState *ds) |
366 |
{ |
367 |
SDL_Event ev1, *ev = &ev1; |
368 |
int mod_state;
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370 |
if (last_vm_running != vm_running) {
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last_vm_running = vm_running; |
372 |
sdl_update_caption(); |
373 |
} |
374 |
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375 |
vga_hw_update(); |
376 |
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377 |
while (SDL_PollEvent(ev)) {
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378 |
switch (ev->type) {
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379 |
case SDL_VIDEOEXPOSE:
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380 |
sdl_update(ds, 0, 0, screen->w, screen->h); |
381 |
break;
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382 |
case SDL_KEYDOWN:
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383 |
case SDL_KEYUP:
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384 |
if (ev->type == SDL_KEYDOWN) {
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385 |
mod_state = (SDL_GetModState() & gui_grab_code) == |
386 |
gui_grab_code; |
387 |
gui_key_modifier_pressed = mod_state; |
388 |
if (gui_key_modifier_pressed) {
|
389 |
int keycode;
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390 |
keycode = sdl_keyevent_to_keycode(&ev->key); |
391 |
switch(keycode) {
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392 |
case 0x21: /* 'f' key on US keyboard */ |
393 |
toggle_full_screen(ds); |
394 |
gui_keysym = 1;
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395 |
break;
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396 |
case 0x02 ... 0x0a: /* '1' to '9' keys */ |
397 |
console_select(keycode - 0x02);
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398 |
if (!is_graphic_console()) {
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399 |
/* display grab if going to a text console */
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400 |
if (gui_grab)
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401 |
sdl_grab_end(); |
402 |
} |
403 |
gui_keysym = 1;
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404 |
break;
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405 |
default:
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406 |
break;
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407 |
} |
408 |
} else if (!is_graphic_console()) { |
409 |
int keysym;
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410 |
keysym = 0;
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411 |
if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
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412 |
switch(ev->key.keysym.sym) {
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413 |
case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break; |
414 |
case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break; |
415 |
case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break; |
416 |
case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break; |
417 |
case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break; |
418 |
case SDLK_END: keysym = QEMU_KEY_CTRL_END; break; |
419 |
case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break; |
420 |
case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break; |
421 |
default: break; |
422 |
} |
423 |
} else {
|
424 |
switch(ev->key.keysym.sym) {
|
425 |
case SDLK_UP: keysym = QEMU_KEY_UP; break; |
426 |
case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break; |
427 |
case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break; |
428 |
case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break; |
429 |
case SDLK_HOME: keysym = QEMU_KEY_HOME; break; |
430 |
case SDLK_END: keysym = QEMU_KEY_END; break; |
431 |
case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break; |
432 |
case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break; |
433 |
case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break; |
434 |
default: break; |
435 |
} |
436 |
} |
437 |
if (keysym) {
|
438 |
kbd_put_keysym(keysym); |
439 |
} else if (ev->key.keysym.unicode != 0) { |
440 |
kbd_put_keysym(ev->key.keysym.unicode); |
441 |
} |
442 |
} |
443 |
} else if (ev->type == SDL_KEYUP) { |
444 |
mod_state = (ev->key.keysym.mod & gui_grab_code); |
445 |
if (!mod_state) {
|
446 |
if (gui_key_modifier_pressed) {
|
447 |
gui_key_modifier_pressed = 0;
|
448 |
if (gui_keysym == 0) { |
449 |
/* exit/enter grab if pressing Ctrl-Alt */
|
450 |
if (!gui_grab)
|
451 |
sdl_grab_start(); |
452 |
else
|
453 |
sdl_grab_end(); |
454 |
/* SDL does not send back all the
|
455 |
modifiers key, so we must correct it */
|
456 |
reset_keys(); |
457 |
break;
|
458 |
} |
459 |
gui_keysym = 0;
|
460 |
} |
461 |
} |
462 |
} |
463 |
if (is_graphic_console())
|
464 |
sdl_process_key(&ev->key); |
465 |
break;
|
466 |
case SDL_QUIT:
|
467 |
qemu_system_shutdown_request(); |
468 |
break;
|
469 |
case SDL_MOUSEMOTION:
|
470 |
if (gui_grab || kbd_mouse_is_absolute()) {
|
471 |
sdl_send_mouse_event(0);
|
472 |
} |
473 |
break;
|
474 |
case SDL_MOUSEBUTTONDOWN:
|
475 |
case SDL_MOUSEBUTTONUP:
|
476 |
{ |
477 |
SDL_MouseButtonEvent *bev = &ev->button; |
478 |
if (!gui_grab && !kbd_mouse_is_absolute()) {
|
479 |
if (ev->type == SDL_MOUSEBUTTONDOWN &&
|
480 |
(bev->state & SDL_BUTTON_LMASK)) { |
481 |
/* start grabbing all events */
|
482 |
sdl_grab_start(); |
483 |
} |
484 |
} else {
|
485 |
int dz;
|
486 |
dz = 0;
|
487 |
#ifdef SDL_BUTTON_WHEELUP
|
488 |
if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
|
489 |
dz = -1;
|
490 |
} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) { |
491 |
dz = 1;
|
492 |
} |
493 |
#endif
|
494 |
sdl_send_mouse_event(dz); |
495 |
} |
496 |
} |
497 |
break;
|
498 |
case SDL_ACTIVEEVENT:
|
499 |
if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
|
500 |
!ev->active.gain && !gui_fullscreen_initial_grab) { |
501 |
sdl_grab_end(); |
502 |
} |
503 |
break;
|
504 |
default:
|
505 |
break;
|
506 |
} |
507 |
} |
508 |
} |
509 |
|
510 |
static void sdl_cleanup(void) |
511 |
{ |
512 |
SDL_Quit(); |
513 |
} |
514 |
|
515 |
void sdl_display_init(DisplayState *ds, int full_screen) |
516 |
{ |
517 |
int flags;
|
518 |
uint8_t data = 0;
|
519 |
|
520 |
#if defined(__APPLE__)
|
521 |
/* always use generic keymaps */
|
522 |
if (!keyboard_layout)
|
523 |
keyboard_layout = "en-us";
|
524 |
#endif
|
525 |
if(keyboard_layout) {
|
526 |
kbd_layout = init_keyboard_layout(keyboard_layout); |
527 |
if (!kbd_layout)
|
528 |
exit(1);
|
529 |
} |
530 |
|
531 |
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
532 |
if (SDL_Init (flags)) {
|
533 |
fprintf(stderr, "Could not initialize SDL - exiting\n");
|
534 |
exit(1);
|
535 |
} |
536 |
#ifndef _WIN32
|
537 |
/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
|
538 |
signal(SIGINT, SIG_DFL); |
539 |
signal(SIGQUIT, SIG_DFL); |
540 |
#endif
|
541 |
|
542 |
ds->dpy_update = sdl_update; |
543 |
ds->dpy_resize = sdl_resize; |
544 |
ds->dpy_refresh = sdl_refresh; |
545 |
|
546 |
sdl_resize(ds, 640, 400); |
547 |
sdl_update_caption(); |
548 |
SDL_EnableKeyRepeat(250, 50); |
549 |
SDL_EnableUNICODE(1);
|
550 |
gui_grab = 0;
|
551 |
|
552 |
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); |
553 |
sdl_cursor_normal = SDL_GetCursor(); |
554 |
|
555 |
atexit(sdl_cleanup); |
556 |
if (full_screen) {
|
557 |
gui_fullscreen = 1;
|
558 |
gui_fullscreen_initial_grab = 1;
|
559 |
sdl_grab_start(); |
560 |
} |
561 |
} |