/**
* \brief Dispatch incoming window events and handle them.
*
* This function should be placed inside libvo's function "check_events".
*
* \return int with these flags possibly set, take care to handle in the right order
* if it matters in your driver:
*
* VO_EVENT_RESIZE = The window was resized. If necessary reinit your
* driver render context accordingly.
* VO_EVENT_EXPOSE = The window was exposed. Call e.g. flip_frame() to redraw
* the window if the movie is paused.
*/
int vo_w32_check_events(struct vo *vo)
{
struct vo_w32_state *w32 = vo->w32;
MSG msg;
w32->event_flags = 0;
while (PeekMessageW(&msg, 0, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
if (vo->opts->WinID >= 0) {
BOOL res;
RECT r;
POINT p;
res = GetClientRect(w32->window, &r);
if (res && (r.right != vo->dwidth || r.bottom != vo->dheight)) {
vo->dwidth = r.right; vo->dheight = r.bottom;
w32->event_flags |= VO_EVENT_RESIZE;
}
p.x = 0; p.y = 0;
ClientToScreen(w32->window, &p);
if (p.x != w32->window_x || p.y != w32->window_y) {
w32->window_x = p.x; w32->window_y = p.y;
}
res = GetClientRect(WIN_ID_TO_HWND(vo->opts->WinID), &r);
if (res && (r.right != vo->dwidth || r.bottom != vo->dheight))
MoveWindow(w32->window, 0, 0, r.right, r.bottom, FALSE);
if (!IsWindow(WIN_ID_TO_HWND(vo->opts->WinID)))
// Window has probably been closed, e.g. due to program crash
mplayer_put_key(vo->key_fifo, MP_KEY_CLOSE_WIN);
}
return w32->event_flags;
}
/**
* \brief Initialize w32_common framework.
*
* The first function that should be called from the w32_common framework.
* It handles window creation on the screen with proper title and attributes.
* It also initializes the framework's internal variables. The function should
* be called after your own preinit initialization and you shouldn't do any
* window management on your own.
*
* Global libvo variables changed:
* vo_w32_window
* vo_screenwidth
* vo_screenheight
*
* \return 1 = Success, 0 = Failure
*/
int vo_w32_init(struct vo *vo)
{
struct vo_w32_state *w32 = vo->w32;
if (w32 && w32->window)
return 1;
if (!w32)
w32 = vo->w32 = talloc_zero(vo, struct vo_w32_state);
HINSTANCE hInstance = GetModuleHandleW(NULL);
HICON mplayerIcon = LoadIconW(hInstance, L"IDI_ICON1");
WNDCLASSEXW wcex = {
.cbSize = sizeof wcex,
.style = CS_OWNDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW,
.lpfnWndProc = WndProc,
.hInstance = hInstance,
.hIcon = mplayerIcon,
.hCursor = LoadCursor(0, IDC_ARROW),
.lpszClassName = classname,
.hIconSm = mplayerIcon,
};
if (!RegisterClassExW(&wcex)) {
mp_msg(MSGT_VO, MSGL_ERR,
"vo: win32: unable to register window class!\n");
return 0;
}
if (vo->opts->WinID >= 0) {
RECT r;
GetClientRect(WIN_ID_TO_HWND(vo->opts->WinID), &r);
vo->dwidth = r.right; vo->dheight = r.bottom;
w32->window = CreateWindowExW(WS_EX_NOPARENTNOTIFY, classname,
classname,
WS_CHILD | WS_VISIBLE,
0, 0, vo->dwidth, vo->dheight,
WIN_ID_TO_HWND(vo->opts->WinID),
0, hInstance, vo);
} else {
w32->window = CreateWindowExW(0, classname,
classname,
update_style(vo, 0),
CW_USEDEFAULT, 0, 100, 100,
0, 0, hInstance, vo);
}
if (!w32->window) {
mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to create window!\n");
return 0;
}
if (vo->opts->WinID >= 0)
EnableWindow(w32->window, 0);
// we don't have proper event handling
vo->wakeup_period = 0.02;
updateScreenProperties(vo);
mp_msg(MSGT_VO, MSGL_V, "vo: win32: running at %dx%d\n",
vo->opts->screenwidth, vo->opts->screenheight);
return 1;
}
/**
* \brief Toogle fullscreen / windowed mode.
*
* Should be called on VOCTRL_FULLSCREEN event. The window is
* always resized during this call, so the rendering context
* should be reinitialized with the new dimensions.
* It is unspecified if vo_check_events will create a resize
* event in addition or not.
*/
void vo_w32_fullscreen(struct vo *vo)
{
vo->opts->fs = !vo->opts->fs;
reinit_window_state(vo);
}
/**
* \brief Initialize w32_common framework.
*
* The first function that should be called from the w32_common framework.
* It handles window creation on the screen with proper title and attributes.
* It also initializes the framework's internal variables. The function should
* be called after your own preinit initialization and you shouldn't do any
* window management on your own.
*
* Global libvo variables changed:
* vo_w32_window
* vo_screenwidth
* vo_screenheight
*
* \return 1 = Success, 0 = Failure
*/
int vo_w32_init(struct vo *vo)
{
assert(!vo->w32);
struct vo_w32_state *w32 = talloc_zero(vo, struct vo_w32_state);
vo->w32 = w32;
HINSTANCE hInstance = GetModuleHandleW(NULL);
HICON mplayerIcon = LoadIconW(hInstance, L"IDI_ICON1");
WNDCLASSEXW wcex = {
.cbSize = sizeof wcex,
.style = CS_OWNDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW,
.lpfnWndProc = WndProc,
.hInstance = hInstance,
.hIcon = mplayerIcon,
.hCursor = LoadCursor(NULL, IDC_ARROW),
.lpszClassName = classname,
.hIconSm = mplayerIcon,
};
if (!RegisterClassExW(&wcex)) {
MP_ERR(vo, "win32: unable to register window class!\n");
return 0;
}
if (vo->opts->WinID >= 0) {
RECT r;
GetClientRect(WIN_ID_TO_HWND(vo->opts->WinID), &r);
vo->dwidth = r.right; vo->dheight = r.bottom;
w32->window = CreateWindowExW(WS_EX_NOPARENTNOTIFY, classname,
classname,
WS_CHILD | WS_VISIBLE,
0, 0, vo->dwidth, vo->dheight,
WIN_ID_TO_HWND(vo->opts->WinID),
0, hInstance, vo);
} else {
w32->window = CreateWindowExW(0, classname,
classname,
update_style(vo, 0),
CW_USEDEFAULT, 0, 100, 100,
0, 0, hInstance, vo);
}
if (!w32->window) {
MP_ERR(vo, "win32: unable to create window!\n");
return 0;
}
w32->tracking = FALSE;
w32->trackEvent = (TRACKMOUSEEVENT){
.cbSize = sizeof(TRACKMOUSEEVENT),
.dwFlags = TME_LEAVE,
.hwndTrack = w32->window,
};
if (vo->opts->WinID >= 0)
EnableWindow(w32->window, 0);
w32->cursor_visible = true;
// we don't have proper event handling
vo->wakeup_period = 0.02;
updateScreenProperties(vo);
MP_VERBOSE(vo, "win32: running at %dx%d\n",
vo->opts->screenwidth, vo->opts->screenheight);
return 1;
}
/**
* \brief Toogle fullscreen / windowed mode.
*
* Should be called on VOCTRL_FULLSCREEN event. The window is
* always resized during this call, so the rendering context
* should be reinitialized with the new dimensions.
* It is unspecified if vo_check_events will create a resize
* event in addition or not.
*/
static void vo_w32_fullscreen(struct vo *vo)
{
if (vo->opts->fullscreen != vo->w32->current_fs)
reinit_window_state(vo);
}
/**
* \brief Toogle window border attribute.
*
* Should be called on VOCTRL_BORDER event.
*/
static void vo_w32_border(struct vo *vo)
{
vo->opts->border = !vo->opts->border;
reinit_window_state(vo);
}
/**
* \brief Toogle window ontop attribute.
*
* Should be called on VOCTRL_ONTOP event.
*/
static void vo_w32_ontop(struct vo *vo)
{
vo->opts->ontop = !vo->opts->ontop;
reinit_window_state(vo);
}
