RetroArch/gfx/common/win32_common.cpp

595 lines
15 KiB
C++

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "../../general.h"
#include "../../verbosity.h"
#include "win32_common.h"
#if !defined(_XBOX)
#define IDI_ICON 1
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0500 //_WIN32_WINNT_WIN2K
#endif
#include <windows.h>
#include <commdlg.h>
#include "../../retroarch.h"
#include "../video_thread_wrapper.h"
#ifndef _MSC_VER
extern "C" {
#endif
LRESULT win32_menu_loop(HWND owner, WPARAM wparam);
#ifndef _MSC_VER
}
#endif
extern "C" bool dinput_handle_message(void *dinput, UINT message, WPARAM wParam, LPARAM lParam);
extern "C" bool win32_browser(
HWND owner,
char *filename,
const char *extensions,
const char *title,
const char *initial_dir);
unsigned g_resize_width;
unsigned g_resize_height;
bool g_restore_desktop;
static unsigned g_pos_x = CW_USEDEFAULT;
static unsigned g_pos_y = CW_USEDEFAULT;
static bool g_resized;
bool g_inited;
static bool g_quit;
static HWND g_hwnd;
extern void *dinput_wgl;
extern void *curD3D;
extern void *dinput;
/* Power Request APIs */
typedef REASON_CONTEXT POWER_REQUEST_CONTEXT, *PPOWER_REQUEST_CONTEXT, *LPPOWER_REQUEST_CONTEXT;
extern "C" WINBASEAPI
HANDLE
WINAPI
PowerCreateRequest (
PREASON_CONTEXT Context
);
WINBASEAPI
BOOL
WINAPI
PowerSetRequest (
HANDLE PowerRequest,
POWER_REQUEST_TYPE RequestType
);
WINBASEAPI
BOOL
WINAPI
PowerClearRequest (
HANDLE PowerRequest,
POWER_REQUEST_TYPE RequestType
);
#ifndef MAX_MONITORS
#define MAX_MONITORS 9
#endif
static HMONITOR win32_monitor_last;
static unsigned win32_monitor_count;
static HMONITOR win32_monitor_all[MAX_MONITORS];
static BOOL CALLBACK win32_monitor_enum_proc(HMONITOR hMonitor,
HDC hdcMonitor, LPRECT lprcMonitor, LPARAM dwData)
{
win32_monitor_all[win32_monitor_count++] = hMonitor;
return TRUE;
}
void win32_monitor_from_window(HWND data, bool destroy)
{
#ifndef _XBOX
win32_monitor_last = MonitorFromWindow(data, MONITOR_DEFAULTTONEAREST);
if (destroy && data)
DestroyWindow(data);
#endif
}
void win32_monitor_get_info(void)
{
MONITORINFOEX current_mon;
memset(&current_mon, 0, sizeof(current_mon));
current_mon.cbSize = sizeof(MONITORINFOEX);
GetMonitorInfo(win32_monitor_last, (MONITORINFO*)&current_mon);
ChangeDisplaySettingsEx(current_mon.szDevice, NULL, NULL, 0, NULL);
}
void win32_monitor_info(void *data, void *hm_data, unsigned *mon_id)
{
unsigned i, fs_monitor;
settings_t *settings = config_get_ptr();
MONITORINFOEX *mon = (MONITORINFOEX*)data;
HMONITOR *hm_to_use = (HMONITOR*)hm_data;
if (!win32_monitor_last)
win32_monitor_from_window(GetDesktopWindow(), false);
*hm_to_use = win32_monitor_last;
fs_monitor = settings->video.monitor_index;
if (fs_monitor && fs_monitor <= win32_monitor_count
&& win32_monitor_all[fs_monitor - 1])
{
*hm_to_use = win32_monitor_all[fs_monitor - 1];
*mon_id = fs_monitor - 1;
}
else
{
for (i = 0; i < win32_monitor_count; i++)
{
if (win32_monitor_all[i] != *hm_to_use)
continue;
*mon_id = i;
break;
}
}
memset(mon, 0, sizeof(*mon));
mon->cbSize = sizeof(MONITORINFOEX);
GetMonitorInfo(*hm_to_use, (MONITORINFO*)mon);
}
static LRESULT CALLBACK WndProcCommon(bool *quit, HWND hwnd, UINT message,
WPARAM wparam, LPARAM lparam)
{
settings_t *settings = config_get_ptr();
switch (message)
{
case WM_SYSCOMMAND:
/* Prevent screensavers, etc, while running. */
switch (wparam)
{
case SC_SCREENSAVE:
case SC_MONITORPOWER:
*quit = true;
return 0;
}
break;
case WM_CHAR:
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
case WM_SYSKEYDOWN:
*quit = true;
return win32_handle_keyboard_event(hwnd, message, wparam, lparam);
case WM_CLOSE:
case WM_DESTROY:
case WM_QUIT:
{
WINDOWPLACEMENT placement;
GetWindowPlacement(g_hwnd, &placement);
g_pos_x = placement.rcNormalPosition.left;
g_pos_y = placement.rcNormalPosition.top;
g_quit = true;
*quit = true;
return 0;
}
case WM_SIZE:
/* Do not send resize message if we minimize. */
if (wparam != SIZE_MAXHIDE && wparam != SIZE_MINIMIZED)
{
g_resize_width = LOWORD(lparam);
g_resize_height = HIWORD(lparam);
g_resized = true;
}
*quit = true;
return 0;
case WM_COMMAND:
if (settings->ui.menubar_enable)
win32_menu_loop(g_hwnd, wparam);
break;
}
return 0;
}
LRESULT CALLBACK WndProcD3D(HWND hwnd, UINT message,
WPARAM wparam, LPARAM lparam)
{
LRESULT ret;
bool quit = false;
switch (message)
{
case WM_SIZE:
/* Do not send resize message if we minimize. */
g_resize_width = LOWORD(lparam);
g_resize_height = HIWORD(lparam);
g_resized = true;
*quit = true;
if (g_resize_width && g_resize_height)
gfx_ctx_set_resize(g_resize_width, g_resize_height);
return 0;
case WM_SYSCOMMAND:
case WM_CHAR:
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
case WM_SYSKEYDOWN:
case WM_CLOSE:
case WM_DESTROY:
case WM_QUIT:
case WM_COMMAND:
ret = WndProcCommon(&quit, hwnd, message, wparam, lparam);
if (quit)
return ret;
break;
case WM_CREATE:
{
LPCREATESTRUCT p_cs = (LPCREATESTRUCT)lparam;
curD3D = p_cs->lpCreateParams;
}
return 0;
}
if (dinput_handle_message(dinput, message, wparam, lparam))
return 0;
return DefWindowProc(hwnd, message, wparam, lparam);
}
LRESULT CALLBACK WndProcGL(HWND hwnd, UINT message,
WPARAM wparam, LPARAM lparam)
{
LRESULT ret;
bool quit = false;
settings_t *settings = config_get_ptr();
switch (message)
{
case WM_SYSCOMMAND:
case WM_CHAR:
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
case WM_SYSKEYDOWN:
case WM_CLOSE:
case WM_DESTROY:
case WM_QUIT:
case WM_SIZE:
case WM_COMMAND:
ret = WndProcCommon(&quit, hwnd, message, wparam, lparam);
if (quit)
return ret;
break;
case WM_CREATE:
create_gl_context(hwnd, &g_quit);
return 0;
}
if (dinput_handle_message(dinput_wgl, message, wparam, lparam))
return 0;
return DefWindowProc(hwnd, message, wparam, lparam);
}
bool win32_window_create(void *data, unsigned style,
RECT *mon_rect, unsigned width,
unsigned height, bool fullscreen)
{
#ifndef _XBOX
g_hwnd = CreateWindowEx(0, "RetroArch", "RetroArch",
style,
fullscreen ? mon_rect->left : g_pos_x,
fullscreen ? mon_rect->top : g_pos_y,
width, height,
NULL, NULL, NULL, data);
if (!g_hwnd)
return false;
video_driver_display_type_set(RARCH_DISPLAY_WIN32);
video_driver_display_set(0);
video_driver_window_set((uintptr_t)g_hwnd);
#endif
return true;
}
#endif
bool win32_get_metrics(void *data,
enum display_metric_types type, float *value)
{
#ifdef _XBOX
return false;
#else
HDC monitor = GetDC(NULL);
int pixels_x = GetDeviceCaps(monitor, HORZRES);
int pixels_y = GetDeviceCaps(monitor, VERTRES);
int physical_width = GetDeviceCaps(monitor, HORZSIZE);
int physical_height = GetDeviceCaps(monitor, VERTSIZE);
ReleaseDC(NULL, monitor);
switch (type)
{
case DISPLAY_METRIC_MM_WIDTH:
*value = physical_width;
break;
case DISPLAY_METRIC_MM_HEIGHT:
*value = physical_height;
break;
case DISPLAY_METRIC_DPI:
/* 25.4 mm in an inch. */
*value = 254 * pixels_x / physical_width / 10;
break;
case DISPLAY_METRIC_NONE:
default:
*value = 0;
return false;
}
return true;
#endif
}
void win32_monitor_init(void)
{
#ifndef _XBOX
win32_monitor_count = 0;
EnumDisplayMonitors(NULL, NULL, win32_monitor_enum_proc, 0);
#endif
g_quit = false;
}
bool win32_monitor_set_fullscreen(unsigned width, unsigned height, unsigned refresh, char *dev_name)
{
#ifndef _XBOX
DEVMODE devmode;
memset(&devmode, 0, sizeof(devmode));
devmode.dmSize = sizeof(DEVMODE);
devmode.dmPelsWidth = width;
devmode.dmPelsHeight = height;
devmode.dmDisplayFrequency = refresh;
devmode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
RARCH_LOG("[WGL]: Setting fullscreen to %ux%u @ %uHz on device %s.\n", width, height, refresh, dev_name);
return ChangeDisplaySettingsEx(dev_name, &devmode, NULL, CDS_FULLSCREEN, NULL) == DISP_CHANGE_SUCCESSFUL;
#endif
}
void win32_show_cursor(bool state)
{
#ifndef _XBOX
if (state)
while (ShowCursor(TRUE) < 0);
else
while (ShowCursor(FALSE) >= 0);
#endif
}
void win32_check_window(bool *quit, bool *resize, unsigned *width, unsigned *height)
{
#ifndef _XBOX
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
#endif
*quit = g_quit;
if (g_resized)
{
*resize = true;
*width = g_resize_width;
*height = g_resize_height;
g_resized = false;
}
}
bool win32_suppress_screensaver(void *data, bool enable)
{
#ifdef _XBOX
return false;
#else
typedef HANDLE (WINAPI * PowerCreateRequestPtr)(REASON_CONTEXT *context);
typedef BOOL (WINAPI * PowerSetRequestPtr)(HANDLE PowerRequest, POWER_REQUEST_TYPE RequestType);
HMODULE kernel32 = GetModuleHandleW(L"kernel32.dll");
PowerCreateRequestPtr powerCreateRequest =
(PowerCreateRequestPtr)GetProcAddress(kernel32, "PowerCreateRequest");
PowerSetRequestPtr powerSetRequest =
(PowerSetRequestPtr)GetProcAddress(kernel32, "PowerSetRequest");
if(enable)
{
if(powerCreateRequest && powerSetRequest)
{
/* Windows 7, 8, 10 codepath */
POWER_REQUEST_CONTEXT RequestContext;
HANDLE Request;
RequestContext.Version = POWER_REQUEST_CONTEXT_VERSION;
RequestContext.Flags = POWER_REQUEST_CONTEXT_SIMPLE_STRING;
RequestContext.Reason.SimpleReasonString = (LPWSTR)L"RetroArch running";
Request = PowerCreateRequest(&RequestContext);
powerSetRequest( Request, PowerRequestDisplayRequired);
return true;
}
else
{
/* XP / Vista codepath */
SetThreadExecutionState(ES_DISPLAY_REQUIRED | ES_SYSTEM_REQUIRED);
return true;
}
}
return false;
#endif
}
bool win32_set_video_mode(void *data,
unsigned width, unsigned height,
bool fullscreen)
{
#ifndef _XBOX
DWORD style;
MSG msg;
RECT mon_rect;
unsigned mon_id;
MONITORINFOEX current_mon;
float refresh_mod;
unsigned refresh;
bool windowed_full;
RECT rect = {0};
HMONITOR hm_to_use = NULL;
settings_t *settings = config_get_ptr();
win32_monitor_info(&current_mon, &hm_to_use, &mon_id);
mon_rect = current_mon.rcMonitor;
g_resize_width = width;
g_resize_height = height;
/* Windows only reports the refresh rates for modelines as
* an integer, so video.refresh_rate needs to be rounded. Also, account
* for black frame insertion using video.refresh_rate set to half
* of the display refresh rate, as well as higher vsync swap intervals. */
refresh_mod = settings->video.black_frame_insertion ? 2.0f : 1.0f;
refresh = roundf(settings->video.refresh_rate * refresh_mod * settings->video.swap_interval);
windowed_full = settings->video.windowed_fullscreen;
if (fullscreen)
{
if (windowed_full)
{
style = WS_EX_TOPMOST | WS_POPUP;
g_resize_width = width = mon_rect.right - mon_rect.left;
g_resize_height = height = mon_rect.bottom - mon_rect.top;
}
else
{
style = WS_POPUP | WS_VISIBLE;
if (!win32_monitor_set_fullscreen(width, height, refresh, current_mon.szDevice))
return false;
/* Display settings might have changed, get new coordinates. */
GetMonitorInfo(hm_to_use, (MONITORINFO*)&current_mon);
mon_rect = current_mon.rcMonitor;
g_restore_desktop = true;
}
}
else
{
style = WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
rect.right = width;
rect.bottom = height;
AdjustWindowRect(&rect, style, FALSE);
g_resize_width = width = rect.right - rect.left;
g_resize_height = height = rect.bottom - rect.top;
}
if (!win32_window_create(NULL, style, &mon_rect, width, height, fullscreen))
return false;
if (!fullscreen || windowed_full)
{
if (!fullscreen && settings->ui.menubar_enable)
{
RECT rc_temp = {0, 0, (LONG)height, 0x7FFF};
SetMenu(g_hwnd, LoadMenu(GetModuleHandle(NULL),MAKEINTRESOURCE(IDR_MENU)));
SendMessage(g_hwnd, WM_NCCALCSIZE, FALSE, (LPARAM)&rc_temp);
g_resize_height = height += rc_temp.top + rect.top;
SetWindowPos(g_hwnd, NULL, 0, 0, width, height, SWP_NOMOVE);
}
ShowWindow(g_hwnd, SW_RESTORE);
UpdateWindow(g_hwnd);
SetForegroundWindow(g_hwnd);
SetFocus(g_hwnd);
}
win32_show_cursor(!fullscreen);
/* Wait until context is created (or failed to do so ...) */
while (!g_inited && !g_quit && GetMessage(&msg, g_hwnd, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if (g_quit)
return false;
#endif
return true;
}
#ifdef _XBOX
static HANDLE GetFocus(void)
{
return g_hwnd;
}
BOOL IsIconic(HWND hwnd)
{
return FALSE;
}
#endif
bool win32_has_focus(void)
{
if (!g_inited)
return false;
return GetFocus() == g_hwnd;
}
HWND win32_get_window(void)
{
return g_hwnd;
}
void win32_window_reset(void)
{
g_quit = false;
g_restore_desktop = false;
}
void win32_destroy_window(void)
{
#ifndef _XBOX
UnregisterClass("RetroArch", GetModuleHandle(NULL));
#endif
g_hwnd = NULL;
}