mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-12-27 16:04:52 +01:00
175 lines
4.0 KiB
C++
175 lines
4.0 KiB
C++
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/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
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#include <stdlib.h>
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#include <assert.h>
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#include <Engine/Base/Types.h>
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#include <Engine/Base/SDL/SDLEvents.h>
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#include "SDL.h"
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static Uint16 next_message_char = 0;
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// This keeps the input subsystem in sync with everything else, by
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// making sure all SDL events tunnel through one function.
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extern int SE_SDL_InputEventPoll(SDL_Event *event);
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BOOL PeekMessage(MSG *msg, void *hwnd, UINT wMsgFilterMin,
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UINT wMsgFilterMax, UINT wRemoveMsg)
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{
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assert(msg != NULL);
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assert(wRemoveMsg == PM_REMOVE);
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assert(wMsgFilterMin == 0);
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assert(wMsgFilterMax == 0);
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if (next_message_char != 0)
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{
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msg->message = WM_CHAR;
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msg->wParam = next_message_char;
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msg->unicode = next_message_char;
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next_message_char = 0;
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return(TRUE);
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} // if
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SDL_Event sdlevent;
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if (!SE_SDL_InputEventPoll(&sdlevent))
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return(FALSE);
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assert(sdlevent.type != SDL_NOEVENT);
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msg->message = sdlevent.type;
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switch (sdlevent.type)
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{
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case SDL_MOUSEMOTION:
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msg->lParam = (
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((sdlevent.motion.y << 16) & 0xFFFF0000) |
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((sdlevent.motion.x ) & 0x0000FFFF)
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);
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break;
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case SDL_KEYDOWN:
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if (sdlevent.key.keysym.mod & KMOD_ALT)
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msg->message = WM_SYSKEYDOWN;
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// deliberate fall through...
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case SDL_KEYUP:
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msg->unicode = sdlevent.key.keysym.unicode;
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msg->wParam = sdlevent.key.keysym.sym;
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break;
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case SDL_MOUSEBUTTONDOWN:
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if (sdlevent.button.button == 2) // right button...
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{
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msg->message = WM_RBUTTONDOWN;
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} // if
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else if (sdlevent.button.button == 4) // wheel up
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{
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msg->message = WM_MOUSEWHEEL;
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msg->wParam = 120 << 16;
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} // else if
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else if (sdlevent.button.button == 5) // wheel down
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{
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msg->message = WM_MOUSEWHEEL;
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msg->wParam = -120 << 16;
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} // else if
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break;
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case SDL_MOUSEBUTTONUP:
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if (sdlevent.button.button == 2) // right button...
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{
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msg->message = WM_RBUTTONUP;
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} // if
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break;
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} // switch
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return(TRUE);
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} // PeekMessage
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void TranslateMessage(MSG *msg)
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{
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if (msg->message == WM_KEYDOWN)
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{
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if (msg->unicode != 0)
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next_message_char = msg->unicode;
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} // if
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} // TranslateMessage
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void DispatchMessage(MSG *msg)
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{
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// do nothing.
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} // DispatchMessage
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SHORT GetKeyState(int vk)
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{
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SHORT retval = 0;
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switch (vk)
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{
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case VK_LBUTTON:
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if (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON_LMASK)
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retval = 0x8000;
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break;
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case VK_RBUTTON:
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if (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON_RMASK)
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retval = 0x8000;
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break;
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case VK_MBUTTON:
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if (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON_MMASK)
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retval = 0x8000;
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break;
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default:
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if (SDL_GetKeyState(NULL)[vk])
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retval = 0x8000;
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break;
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} // switch
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return(retval);
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} // GetKeyState
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SHORT GetAsyncKeyState(int vk)
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{
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return(GetKeyState(vk));
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} // GetAsyncKeyState
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BOOL GetCursorPos(LPPOINT lpPoint)
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{
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assert(lpPoint != NULL);
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int x, y;
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SDL_GetMouseState(&x, &y);
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lpPoint->x = x;
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lpPoint->y = y;
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return(TRUE);
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} // GetCursorPos
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BOOL ScreenToClient(void *hWnd, LPPOINT lpPoint)
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{
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// do nothing. SDL returns points in client coordinates already.
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return(1); // success. :)
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} // ScreenToClient
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int ShowCursor(BOOL yes)
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{
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static int count = 0;
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count += (yes) ? 1 : -1;
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SDL_ShowCursor((count >= 0) ? SDL_ENABLE : SDL_DISABLE);
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return(count);
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} // ShowCursor
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// end of SDLEvents.cpp ...
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