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mpv/libvo/w32_common.c

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#include <stdio.h>
#include <limits.h>
#include <windows.h>
#include <windowsx.h>
#include "osdep/keycodes.h"
#include "input/input.h"
#include "input/mouse.h"
#include "mp_msg.h"
#include "video_out.h"
#include "aspect.h"
#include "w32_common.h"
#include "mp_fifo.h"
extern int enable_mouse_movements;
#ifndef MONITOR_DEFAULTTOPRIMARY
#define MONITOR_DEFAULTTOPRIMARY 1
#endif
static const char* classname = "MPlayer - Media player for Win32";
int vo_vm = 0;
HDC vo_hdc = 0;
// last non-fullscreen extends
int prev_width;
int prev_height;
int prev_x;
int prev_y;
uint32_t o_dwidth;
uint32_t o_dheight;
static HINSTANCE hInstance;
#define vo_window vo_w32_window
HWND vo_window = 0;
static int event_flags;
static int mon_cnt;
static HMONITOR (WINAPI* myMonitorFromWindow)(HWND, DWORD);
static BOOL (WINAPI* myGetMonitorInfo)(HMONITOR, LPMONITORINFO);
static BOOL (WINAPI* myEnumDisplayMonitors)(HDC, LPCRECT, MONITORENUMPROC, LPARAM);
static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
RECT r;
POINT p;
switch (message) {
case WM_PAINT:
event_flags |= VO_EVENT_EXPOSE;
break;
case WM_MOVE:
p.x = 0;
p.y = 0;
ClientToScreen(vo_window, &p);
vo_dx = p.x;
vo_dy = p.y;
break;
case WM_SIZE:
event_flags |= VO_EVENT_RESIZE;
GetClientRect(vo_window, &r);
vo_dwidth = r.right;
vo_dheight = r.bottom;
break;
case WM_WINDOWPOSCHANGING:
return 0;
case WM_CLOSE:
mplayer_put_key(KEY_CLOSE_WIN);
break;
case WM_SYSCOMMAND:
switch (wParam) {
case SC_SCREENSAVE:
case SC_MONITORPOWER:
mp_msg(MSGT_VO, MSGL_V, "vo: win32: killing screensaver\n");
return 0;
}
break;
case WM_KEYDOWN:
switch (wParam) {
case VK_LEFT: mplayer_put_key(KEY_LEFT); break;
case VK_UP: mplayer_put_key(KEY_UP); break;
case VK_RIGHT: mplayer_put_key(KEY_RIGHT); break;
case VK_DOWN: mplayer_put_key(KEY_DOWN); break;
case VK_TAB: mplayer_put_key(KEY_TAB); break;
case VK_CONTROL: mplayer_put_key(KEY_CTRL); break;
case VK_BACK: mplayer_put_key(KEY_BS); break;
case VK_DELETE: mplayer_put_key(KEY_DELETE); break;
case VK_INSERT: mplayer_put_key(KEY_INSERT); break;
case VK_HOME: mplayer_put_key(KEY_HOME); break;
case VK_END: mplayer_put_key(KEY_END); break;
case VK_PRIOR: mplayer_put_key(KEY_PAGE_UP); break;
case VK_NEXT: mplayer_put_key(KEY_PAGE_DOWN); break;
case VK_ESCAPE: mplayer_put_key(KEY_ESC); break;
}
break;
case WM_CHAR:
mplayer_put_key(wParam);
break;
case WM_LBUTTONDOWN:
if (!vo_nomouse_input && (vo_fs || (wParam & MK_CONTROL))) {
mplayer_put_key(MOUSE_BTN0);
break;
}
if (!vo_fs) {
ReleaseCapture();
SendMessage(hWnd, WM_NCLBUTTONDOWN, HTCAPTION, 0);
return 0;
}
break;
case WM_MBUTTONDOWN:
if (!vo_nomouse_input)
mplayer_put_key(MOUSE_BTN1);
break;
case WM_RBUTTONDOWN:
if (!vo_nomouse_input)
mplayer_put_key(MOUSE_BTN2);
break;
case WM_MOUSEMOVE:
if (enable_mouse_movements) {
char cmd_str[40];
snprintf(cmd_str, sizeof(cmd_str), "set_mouse_pos %i %i",
GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
mp_input_queue_cmd(mp_input_parse_cmd(cmd_str));
}
break;
case WM_MOUSEWHEEL:
if (!vo_nomouse_input) {
int x = GET_WHEEL_DELTA_WPARAM(wParam);
if (x > 0)
mplayer_put_key(MOUSE_BTN3);
else
mplayer_put_key(MOUSE_BTN4);
break;
}
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
int vo_w32_check_events(void) {
MSG msg;
event_flags = 0;
while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if (WinID >= 0) {
RECT r;
GetClientRect(vo_window, &r);
if (r.right != vo_dwidth || r.bottom != vo_dheight)
event_flags |= VO_EVENT_RESIZE;
vo_dwidth = r.right;
vo_dheight = r.bottom;
}
return event_flags;
}
static BOOL CALLBACK mon_enum(HMONITOR hmon, HDC hdc, LPRECT r, LPARAM p) {
// this defaults to the last screen if specified number does not exist
xinerama_x = r->left;
xinerama_y = r->top;
vo_screenwidth = r->right - r->left;
vo_screenheight = r->bottom - r->top;
if (mon_cnt == xinerama_screen)
return FALSE;
mon_cnt++;
return TRUE;
}
void w32_update_xinerama_info(void) {
xinerama_x = xinerama_y = 0;
if (xinerama_screen < -1) {
int tmp;
xinerama_x = GetSystemMetrics(SM_XVIRTUALSCREEN);
xinerama_y = GetSystemMetrics(SM_YVIRTUALSCREEN);
tmp = GetSystemMetrics(SM_CXVIRTUALSCREEN);
if (tmp) vo_screenwidth = tmp;
tmp = GetSystemMetrics(SM_CYVIRTUALSCREEN);
if (tmp) vo_screenheight = tmp;
} else if (xinerama_screen == -1 && myMonitorFromWindow && myGetMonitorInfo) {
MONITORINFO mi;
HMONITOR m = myMonitorFromWindow(vo_window, MONITOR_DEFAULTTOPRIMARY);
mi.cbSize = sizeof(mi);
myGetMonitorInfo(m, &mi);
xinerama_x = mi.rcMonitor.left;
xinerama_y = mi.rcMonitor.top;
vo_screenwidth = mi.rcMonitor.right - mi.rcMonitor.left;
vo_screenheight = mi.rcMonitor.bottom - mi.rcMonitor.top;
} else if (xinerama_screen > 0 && myEnumDisplayMonitors) {
mon_cnt = 0;
myEnumDisplayMonitors(NULL, NULL, mon_enum, 0);
}
aspect_save_screenres(vo_screenwidth, vo_screenheight);
}
static void updateScreenProperties() {
DEVMODE dm;
dm.dmSize = sizeof dm;
dm.dmDriverExtra = 0;
dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
if (!EnumDisplaySettings(0, ENUM_CURRENT_SETTINGS, &dm)) {
mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to enumerate display settings!\n");
return;
}
vo_screenwidth = dm.dmPelsWidth;
vo_screenheight = dm.dmPelsHeight;
vo_depthonscreen = dm.dmBitsPerPel;
w32_update_xinerama_info();
}
static void changeMode(void) {
DEVMODE dm;
dm.dmSize = sizeof dm;
dm.dmDriverExtra = 0;
dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
dm.dmBitsPerPel = vo_depthonscreen;
dm.dmPelsWidth = vo_screenwidth;
dm.dmPelsHeight = vo_screenheight;
if (vo_vm) {
int bestMode = -1;
int bestScore = INT_MAX;
int i;
for (i = 0; EnumDisplaySettings(0, i, &dm); ++i) {
int score = (dm.dmPelsWidth - o_dwidth) * (dm.dmPelsHeight - o_dheight);
if (dm.dmBitsPerPel != vo_depthonscreen) continue;
if (dm.dmPelsWidth < o_dwidth) continue;
if (dm.dmPelsHeight < o_dheight) continue;
if (score < bestScore) {
bestScore = score;
bestMode = i;
}
}
if (bestMode != -1)
EnumDisplaySettings(0, bestMode, &dm);
ChangeDisplaySettings(&dm, CDS_FULLSCREEN);
}
}
static void resetMode(void) {
if (vo_vm)
ChangeDisplaySettings(0, 0);
}
static int createRenderingContext(void) {
HWND layer = HWND_NOTOPMOST;
PIXELFORMATDESCRIPTOR pfd;
RECT r;
int pf;
if (WinID < 0) {
int style = (vo_border && !vo_fs) ?
(WS_OVERLAPPEDWINDOW | WS_SIZEBOX) : WS_POPUP;
if (vo_fs || vo_ontop) layer = HWND_TOPMOST;
if (vo_fs) {
changeMode();
while (ShowCursor(0) >= 0) /**/ ;
} else {
resetMode();
while (ShowCursor(1) < 0) /**/ ;
}
updateScreenProperties();
ShowWindow(vo_window, SW_HIDE);
SetWindowLong(vo_window, GWL_STYLE, style);
if (vo_fs) {
prev_width = vo_dwidth;
prev_height = vo_dheight;
prev_x = vo_dx;
prev_y = vo_dy;
vo_dwidth = vo_screenwidth;
vo_dheight = vo_screenheight;
vo_dx = xinerama_x;
vo_dy = xinerama_y;
} else {
// make sure there are no "stale" resize events
// that would set vo_d* to wrong values
vo_w32_check_events();
vo_dwidth = prev_width;
vo_dheight = prev_height;
vo_dx = prev_x;
vo_dy = prev_y;
// HACK around what probably is a windows focus bug:
// when pressing 'f' on the console, then 'f' again to
// return to windowed mode, any input into the video
// window is lost forever.
SetFocus(vo_window);
}
r.left = vo_dx;
r.right = r.left + vo_dwidth;
r.top = vo_dy;
r.bottom = r.top + vo_dheight;
AdjustWindowRect(&r, style, 0);
SetWindowPos(vo_window, layer, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_SHOWWINDOW);
}
memset(&pfd, 0, sizeof pfd);
pfd.nSize = sizeof pfd;
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.iLayerType = PFD_MAIN_PLANE;
pf = ChoosePixelFormat(vo_hdc, &pfd);
if (!pf) {
mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to select a valid pixel format!\n");
return 0;
}
SetPixelFormat(vo_hdc, pf, &pfd);
mp_msg(MSGT_VO, MSGL_V, "vo: win32: running at %dx%d with depth %d\n", vo_screenwidth, vo_screenheight, vo_depthonscreen);
return 1;
}
int vo_w32_config(uint32_t width, uint32_t height, uint32_t flags) {
// store original size for videomode switching
o_dwidth = width;
o_dheight = height;
prev_width = vo_dwidth = width;
prev_height = vo_dheight = height;
prev_x = vo_dx;
prev_y = vo_dy;
vo_fs = flags & VOFLAG_FULLSCREEN;
vo_vm = flags & VOFLAG_MODESWITCHING;
return createRenderingContext();
}
int vo_w32_init(void) {
HICON mplayerIcon = 0;
char exedir[MAX_PATH];
HINSTANCE user32;
if (vo_window)
return 1;
hInstance = GetModuleHandle(0);
if (GetModuleFileName(0, exedir, MAX_PATH))
mplayerIcon = ExtractIcon(hInstance, exedir, 0);
if (!mplayerIcon)
mplayerIcon = LoadIcon(0, IDI_APPLICATION);
{
WNDCLASSEX wcex = { sizeof wcex, CS_OWNDC, WndProc, 0, 0, hInstance, mplayerIcon, LoadCursor(0, IDC_ARROW), (HBRUSH)GetStockObject(BLACK_BRUSH), 0, classname, mplayerIcon };
if (!RegisterClassEx(&wcex)) {
mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to register window class!\n");
return 0;
}
}
if (WinID >= 0)
vo_window = WinID;
else {
vo_window = CreateWindowEx(0, classname, classname,
vo_border ? (WS_OVERLAPPEDWINDOW | WS_SIZEBOX) : WS_POPUP,
CW_USEDEFAULT, 0, 100, 100, 0, 0, hInstance, 0);
if (!vo_window) {
mp_msg(MSGT_VO, MSGL_ERR, "vo: win32: unable to create window!\n");
return 0;
}
}
vo_hdc = GetDC(vo_window);
myMonitorFromWindow = NULL;
myGetMonitorInfo = NULL;
myEnumDisplayMonitors = NULL;
user32 = GetModuleHandle("user32.dll");
if (user32) {
myMonitorFromWindow = GetProcAddress(user32, "MonitorFromWindow");
myGetMonitorInfo = GetProcAddress(user32, "GetMonitorInfoA");
myEnumDisplayMonitors = GetProcAddress(user32, "EnumDisplayMonitors");
}
updateScreenProperties();
return 1;
}
void vo_w32_fullscreen(void) {
vo_fs = !vo_fs;
createRenderingContext();
}
void vo_w32_border() {
vo_border = !vo_border;
createRenderingContext();
}
void vo_w32_ontop( void )
{
vo_ontop = !vo_ontop;
if (!vo_fs) {
HWND layer = HWND_NOTOPMOST;
if (vo_ontop) layer = HWND_TOPMOST;
SetWindowPos(vo_window, layer, (vo_screenwidth - vo_dwidth) / 2, (vo_screenheight - vo_dheight) / 2, vo_dwidth, vo_dheight, SWP_SHOWWINDOW);
}
}
void vo_w32_uninit() {
mp_msg(MSGT_VO, MSGL_V, "vo: win32: uninit\n");
resetMode();
ShowCursor(1);
vo_depthonscreen = 0;
if (WinID < 0)
DestroyWindow(vo_window);
vo_window = 0;
UnregisterClass(classname, 0);
}
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