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authorths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-04-02 01:10:46 +0000
committerths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-04-02 01:10:46 +0000
commitd34cab9f49bc3ad83a2a968fc2d2719179db2c15 (patch)
treedee22397a6ebed7b22df70d95ee2730ef8a77b28 /sdl.c
parenta4080ece74523492856ac67e709a10675b080da0 (diff)
VMware SVGA II emulation, by Andrzej Zaborowski.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2579 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'sdl.c')
-rw-r--r--sdl.c95
1 files changed, 92 insertions, 3 deletions
diff --git a/sdl.c b/sdl.c
index aa5c669929..a8dbc2c735 100644
--- a/sdl.c
+++ b/sdl.c
@@ -44,6 +44,9 @@ static int width, height;
static SDL_Cursor *sdl_cursor_normal;
static SDL_Cursor *sdl_cursor_hidden;
static int absolute_enabled = 0;
+static int guest_cursor = 0;
+static int guest_x, guest_y;
+static SDL_Cursor *guest_sprite = 0;
static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
{
@@ -245,13 +248,21 @@ static void sdl_show_cursor(void)
{
if (!kbd_mouse_is_absolute()) {
SDL_ShowCursor(1);
- SDL_SetCursor(sdl_cursor_normal);
+ if (guest_cursor &&
+ (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
+ SDL_SetCursor(guest_sprite);
+ else
+ SDL_SetCursor(sdl_cursor_normal);
}
}
static void sdl_grab_start(void)
{
- sdl_hide_cursor();
+ if (guest_cursor) {
+ SDL_SetCursor(guest_sprite);
+ SDL_WarpMouse(guest_x, guest_y);
+ } else
+ sdl_hide_cursor();
SDL_WM_GrabInput(SDL_GRAB_ON);
/* dummy read to avoid moving the mouse */
SDL_GetRelativeMouseState(NULL, NULL);
@@ -262,8 +273,8 @@ static void sdl_grab_start(void)
static void sdl_grab_end(void)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
- sdl_show_cursor();
gui_grab = 0;
+ sdl_show_cursor();
sdl_update_caption();
}
@@ -294,6 +305,12 @@ static void sdl_send_mouse_event(int dz)
} else if (absolute_enabled) {
sdl_show_cursor();
absolute_enabled = 0;
+ } else if (guest_cursor) {
+ SDL_GetMouseState(&dx, &dy);
+ dx -= guest_x;
+ dy -= guest_y;
+ guest_x += dx;
+ guest_y += dy;
}
kbd_mouse_event(dx, dy, dz, buttons);
@@ -472,8 +489,77 @@ static void sdl_refresh(DisplayState *ds)
}
}
+static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
+{
+ SDL_Rect dst = { x, y, w, h };
+ SDL_FillRect(screen, &dst, c);
+}
+
+static void sdl_mouse_warp(int x, int y, int on)
+{
+ if (on) {
+ if (!guest_cursor)
+ sdl_show_cursor();
+ if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
+ SDL_SetCursor(guest_sprite);
+ SDL_WarpMouse(x, y);
+ }
+ } else if (gui_grab)
+ sdl_hide_cursor();
+ guest_cursor = on;
+ guest_x = x, guest_y = y;
+}
+
+static void sdl_mouse_define(int width, int height, int bpp,
+ int hot_x, int hot_y,
+ uint8_t *image, uint8_t *mask)
+{
+ uint8_t sprite[256], *line;
+ int x, y, dst, bypl, src = 0;
+ if (guest_sprite)
+ SDL_FreeCursor(guest_sprite);
+
+ memset(sprite, 0, 256);
+ bypl = ((width * bpp + 31) >> 5) << 2;
+ for (y = 0, dst = 0; y < height; y ++, image += bypl) {
+ line = image;
+ for (x = 0; x < width; x ++, dst ++) {
+ switch (bpp) {
+ case 24:
+ src = *(line ++); src |= *(line ++); src |= *(line ++);
+ break;
+ case 16:
+ case 15:
+ src = *(line ++); src |= *(line ++);
+ break;
+ case 8:
+ src = *(line ++);
+ break;
+ case 4:
+ src = 0xf & (line[x >> 1] >> ((x & 1)) << 2);
+ break;
+ case 2:
+ src = 3 & (line[x >> 2] >> ((x & 3)) << 1);
+ break;
+ case 1:
+ src = 1 & (line[x >> 3] >> (x & 7));
+ break;
+ }
+ if (!src)
+ sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3];
+ }
+ }
+ guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y);
+
+ if (guest_cursor &&
+ (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
+ SDL_SetCursor(guest_sprite);
+}
+
static void sdl_cleanup(void)
{
+ if (guest_sprite)
+ SDL_FreeCursor(guest_sprite);
SDL_Quit();
}
@@ -510,6 +596,9 @@ void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
ds->dpy_update = sdl_update;
ds->dpy_resize = sdl_resize;
ds->dpy_refresh = sdl_refresh;
+ ds->dpy_fill = sdl_fill;
+ ds->mouse_set = sdl_mouse_warp;
+ ds->cursor_define = sdl_mouse_define;
sdl_resize(ds, 640, 400);
sdl_update_caption();