mirror of
https://github.com/ZDoom/Raze.git
synced 2024-12-16 07:31:23 +00:00
281 lines
7.3 KiB
C
281 lines
7.3 KiB
C
#define WIN32_LEAN_AND_MEAN
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#define _WIN32_WINNT 0x0501
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#include <windows.h>
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#include "rawinput.h"
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#include "winlayer.h"
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#include "scancodes.h"
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#include "build.h"
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static BOOL rawinput_started = 0;
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static uint8_t KeyboardState[256] = {0}; // VKeys
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extern uint8_t moustat, mousegrab;
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extern void SetKey(int32_t key, int32_t state);
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//#define MASK_DOWN (1<<(i<<1))
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//#define MASK_UP (MASK_DOWN<<1)
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#ifndef GET_RAWINPUT_CODE_WPARAM
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#define GET_RAWINPUT_CODE_WPARAM(wParam) ((wParam) & 0xff)
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#endif
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static inline void RI_ProcessMouse(const RAWMOUSE *rmouse)
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{
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int32_t i, mask;
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int8_t MWheel = 0;
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if (!mousegrab || !appactive)
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return;
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mousex += rmouse->lLastX;
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mousey += rmouse->lLastY;
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if (rmouse->usFlags & MOUSE_MOVE_ABSOLUTE)
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{
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// untested... maybe devices like wacom tablets set this flag?
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POINT pos = { xdim>>1, ydim>>1 };
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ClientToScreen((HWND)win_gethwnd(), &pos);
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mousex -= pos.x;
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mousey -= pos.y;
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}
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for (i = 0, mask = (1<<0); mask <= (1<<8); i++, mask<<=2)
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{
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// usButtonFlags:
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// 1<<0: left down -> 1 / 1<<0
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// 1<<2: middle down -> 2 / 1<<1
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// 1<<4: right down -> 3 / 1<<2
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// 1<<6: x1 down -> 4 / 1<<3
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// ----------- mwheel here
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// 1<<8: x2 down -> 7 / 1<<6
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if (mask == 1<<8)
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i = 6;
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if (rmouse->usButtonFlags & mask) // button down
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{
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if (mousepresscallback)
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mousepresscallback(i+1, 1);
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mouseb |= 1<<i;
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}
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else if (rmouse->usButtonFlags & (mask<<1)) // button up
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{
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if (mousepresscallback)
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mousepresscallback(i+1, 0);
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mouseb &= ~(1<<i);
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}
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}
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MWheel = (rmouse->usButtonFlags & RI_MOUSE_WHEEL) ? rmouse->usButtonData : 0;
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if (MWheel > 0) // wheel up
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{
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mouseb |= 16;
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if (mousepresscallback) mousepresscallback(5, 1);
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}
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else if (MWheel < 0) // wheel down
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{
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mouseb |= 32;
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if (mousepresscallback) mousepresscallback(6, 1);
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}
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}
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static inline void RI_ProcessKeyboard(const RAWKEYBOARD *rkbd)
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{
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uint8_t key = rkbd->MakeCode, VKey = rkbd->VKey;
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// for some reason rkbd->MakeCode is wrong for these
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// even though rkbd->VKey is right...
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switch (VKey)
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{
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case VK_SHIFT:
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if (rkbd->Flags & RI_KEY_E0) VKey = VK_RSHIFT, key = sc_RightShift; break;
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case VK_CONTROL:
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if (rkbd->Flags & RI_KEY_E0) VKey = VK_RCONTROL, key = sc_RightControl; break;
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case VK_MENU:
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if (rkbd->Flags & RI_KEY_E0) VKey = VK_RMENU, key = sc_RightAlt; break;
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case VK_UP:
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case VK_NUMPAD8:
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if (rkbd->Flags & RI_KEY_E0) VKey = VK_UP, key = sc_UpArrow;
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else VKey = VK_NUMPAD8, key = sc_kpad_8; break;
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case VK_DOWN:
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case VK_NUMPAD2:
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if (rkbd->Flags & RI_KEY_E0) VKey = VK_DOWN, key = sc_DownArrow;
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else VKey = VK_NUMPAD2, key = sc_kpad_2; break;
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case VK_LEFT:
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case VK_NUMPAD4:
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if (rkbd->Flags & RI_KEY_E0) VKey = VK_LEFT, key = sc_LeftArrow;
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else VKey = VK_NUMPAD4, key = sc_kpad_4; break;
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case VK_RIGHT:
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case VK_NUMPAD6:
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if (rkbd->Flags & RI_KEY_E0) VKey = VK_RIGHT, key = sc_RightArrow;
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else VKey = VK_NUMPAD6, key = sc_kpad_6; break;
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case VK_DIVIDE:
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// if (rkbd->Flags & RI_KEY_E0) key = sc_Slash;
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// else
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key = sc_kpad_Slash;
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break;
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case VK_INSERT:
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key = sc_Insert; break;
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case VK_HOME:
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key = sc_Home; break;
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case VK_DELETE:
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key = sc_Delete; break;
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case VK_END:
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key = sc_End; break;
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case VK_PRIOR:
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key = sc_PgUp; break;
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case VK_NEXT:
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key = sc_PgDn; break;
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case VK_RETURN:
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if (rkbd->Flags & RI_KEY_E0) key = sc_kpad_Enter; break;
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case VK_PAUSE:
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KeyboardState[VKey] = 1 - (rkbd->Flags & RI_KEY_BREAK);
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if (rkbd->Flags & RI_KEY_BREAK) return;
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SetKey(sc_Pause, 1);
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if (keypresscallback)
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keypresscallback(sc_Pause, 1);
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case 0xFF:
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return;
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}
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KeyboardState[VKey] = 1 - (rkbd->Flags & RI_KEY_BREAK);
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if (OSD_HandleScanCode(key, KeyboardState[VKey] > 0))
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{
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SetKey(key, KeyboardState[VKey] != 0);
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if (keypresscallback)
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keypresscallback(key, KeyboardState[VKey] != 0);
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}
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if (rkbd->Flags & RI_KEY_BREAK) return;
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if (((keyasciififoend+1)&(KEYFIFOSIZ-1)) == keyasciififoplc) return;
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if ((keyasciififoend - keyasciififoplc) > 0) return;
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{
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uint8_t buf[2];
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if (ToAscii(VKey, key, &KeyboardState[0], (LPWORD)&buf[0], 0) != 1) return;
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if ((OSD_OSDKey() < 128) && (Btolower(scantoasc[OSD_OSDKey()]) == Btolower(buf[0]))) return;
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if (OSD_HandleChar(buf[0]) == 0) return;
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keyasciififo[keyasciififoend] = buf[0];
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keyasciififoend = ((keyasciififoend+1)&(KEYFIFOSIZ-1));
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}
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}
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// keyboard is always captured regardless of what we tell this function
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BOOL RI_CaptureInput(BOOL grab, HWND target)
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{
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RAWINPUTDEVICE raw[2];
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raw[0].usUsagePage = 0x01;
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raw[0].usUsage = 0x02;
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raw[0].dwFlags = grab ? (RIDEV_NOLEGACY | RIDEV_CAPTUREMOUSE) : 0;
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raw[0].hwndTarget = grab ? target : NULL;
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raw[1].usUsagePage = 0x01;
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raw[1].usUsage = 0x06;
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raw[1].dwFlags = 0;
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raw[1].hwndTarget = target;
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mousegrab = grab;
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return (RegisterRawInputDevices(raw, 2, sizeof(raw[0])) == FALSE);
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}
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void RI_ProcessMessage(MSG *msg)
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{
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if (GET_RAWINPUT_CODE_WPARAM(msg->wParam) == RIM_INPUT)
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{
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UINT dwSize = sizeof(RAWINPUT);
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RAWINPUT raw;
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GetRawInputData((HRAWINPUT)msg->lParam, RID_INPUT, &raw, &dwSize, sizeof(RAWINPUTHEADER));
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if (raw.header.dwType == RIM_TYPEKEYBOARD)
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RI_ProcessKeyboard(&raw.data.keyboard);
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else if (raw.header.dwType == RIM_TYPEMOUSE)
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RI_ProcessMouse(&raw.data.mouse);
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}
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DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam);
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}
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void RI_PollDevices(BOOL loop)
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{
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int32_t i;
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MSG msg;
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if (!rawinput_started)
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{
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if (RI_CaptureInput(1, (HWND)win_gethwnd()))
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return;
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rawinput_started = 1;
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}
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if (inputchecked)
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{
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if (mousepresscallback)
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{
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if (mouseb & 16)
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mousepresscallback(5, 0);
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if (mouseb & 32)
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mousepresscallback(6, 0);
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}
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mouseb &= ~(16|32);
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}
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// snapshot the whole keyboard state so we can translate key presses into ascii later
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for (i = 0; i < 256; i++)
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KeyboardState[i] = GetAsyncKeyState(i) >> 8;
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while (loop && PeekMessage(&msg, 0, WM_INPUT, WM_INPUT, PM_REMOVE | PM_QS_INPUT))
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RI_ProcessMessage(&msg);
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if (mousegrab && appactive)
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{
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// center the cursor in the window
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POINT pt = { xdim>>1, ydim>>1 };
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ClientToScreen((HWND)win_gethwnd(), &pt);
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SetCursorPos(pt.x, pt.y);
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}
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}
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int32_t initmouse(void)
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{
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if (moustat) return 0;
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grabmouse(moustat = 1);
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return 0;
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}
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void uninitmouse(void)
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{
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if (!moustat) return;
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grabmouse(moustat = 0);
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}
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void grabmouse(char a)
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{
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static POINT pos;
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static int32_t d = 0;
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if (!moustat) return;
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if (!mousegrab || !d)
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{
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GetCursorPos(&pos);
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d++;
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}
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ShowCursor(a == 0);
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RI_CaptureInput(a, (HWND)win_gethwnd());
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SetCursorPos(pos.x, pos.y);
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}
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