SDL_dibevents.c
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:11k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
- This library 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
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_dibevents.c,v 1.4 2002/04/22 21:38:05 wmay Exp $";
- #endif
- #include <stdlib.h>
- #include <stdio.h>
- #include <windows.h>
- #include "SDL_events.h"
- #include "SDL_error.h"
- #include "SDL_syswm.h"
- #include "SDL_sysevents.h"
- #include "SDL_events_c.h"
- #include "SDL_lowvideo.h"
- #include "SDL_dibvideo.h"
- #include "SDL_vkeys.h"
- #ifndef WM_APP
- #define WM_APP 0x8000
- #endif
- #ifdef _WIN32_WCE
- #define NO_GETKEYBOARDSTATE
- #endif
- /* The translation table from a Microsoft VK keysym to a SDL keysym */
- static SDLKey VK_keymap[SDLK_LAST];
- static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed);
- /* Masks for processing the windows KEYDOWN and KEYUP messages */
- #define REPEATED_KEYMASK (1<<30)
- #define EXTENDED_KEYMASK (1<<24)
- /* DJM: If the user setup the window for us, we want to save his window proc,
- and give him a chance to handle some messages. */
- static WNDPROC userWindowProc = NULL;
- /* The main Win32 event handler */
- LONG
- DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
- {
- extern int posted;
- switch (msg) {
- case WM_SYSKEYDOWN:
- case WM_KEYDOWN: {
- SDL_keysym keysym;
- /* Ignore repeated keys */
- if ( lParam&REPEATED_KEYMASK ) {
- return(0);
- }
- switch (wParam) {
- case VK_CONTROL:
- if ( lParam&EXTENDED_KEYMASK )
- wParam = VK_RCONTROL;
- else
- wParam = VK_LCONTROL;
- break;
- case VK_SHIFT:
- /* EXTENDED trick doesn't work here */
- wParam = VK_LSHIFT;
- break;
- case VK_MENU:
- if ( lParam&EXTENDED_KEYMASK )
- wParam = VK_RMENU;
- else
- wParam = VK_LMENU;
- break;
- }
- #ifdef NO_GETKEYBOARDSTATE
- /* this is the workaround for the missing ToAscii() and ToUnicode() in CE (not necessary at KEYUP!) */
- if ( SDL_TranslateUNICODE ) {
- MSG m;
- m.hwnd = hwnd;
- m.message = msg;
- m.wParam = wParam;
- m.lParam = lParam;
- m.time = 0;
- if ( TranslateMessage(&m) && PeekMessage(&m, hwnd, 0, WM_USER, PM_NOREMOVE) && (m.message == WM_CHAR) ) {
- GetMessage(&m, hwnd, 0, WM_USER);
- wParam = m.wParam;
- } else {
- wParam = 0;
- }
- } else {
- wParam = 0;
- }
- #endif /* NO_GETKEYBOARDSTATE */
- posted = SDL_PrivateKeyboard(SDL_PRESSED,
- TranslateKey(wParam,HIWORD(lParam),&keysym,1));
- }
- return(0);
- case WM_SYSKEYUP:
- case WM_KEYUP: {
- SDL_keysym keysym;
- switch (wParam) {
- case VK_CONTROL:
- if ( lParam&EXTENDED_KEYMASK )
- wParam = VK_RCONTROL;
- else
- wParam = VK_LCONTROL;
- break;
- case VK_SHIFT:
- /* EXTENDED trick doesn't work here */
- wParam = VK_LSHIFT;
- break;
- case VK_MENU:
- if ( lParam&EXTENDED_KEYMASK )
- wParam = VK_RMENU;
- else
- wParam = VK_LMENU;
- break;
- }
- posted = SDL_PrivateKeyboard(SDL_RELEASED,
- TranslateKey(wParam,HIWORD(lParam),&keysym,0));
- }
- return(0);
- default: {
- /* Only post the event if we're watching for it */
- if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
- SDL_SysWMmsg wmmsg;
- SDL_VERSION(&wmmsg.version);
- wmmsg.hwnd = hwnd;
- wmmsg.msg = msg;
- wmmsg.wParam = wParam;
- wmmsg.lParam = lParam;
- posted = SDL_PrivateSysWMEvent(&wmmsg);
- /* DJM: If the user isn't watching for private
- messages in her SDL event loop, then pass it
- along to any win32 specific window proc.
- */
- } else if (userWindowProc) {
- return userWindowProc(hwnd, msg, wParam, lParam);
- }
- }
- break;
- }
- return(DefWindowProc(hwnd, msg, wParam, lParam));
- }
- void DIB_PumpEvents(_THIS)
- {
- MSG msg;
- while ( PeekMessage(&msg, NULL, 0, (WM_APP-1), PM_NOREMOVE) ) {
- if ( GetMessage(&msg, NULL, 0, (WM_APP-1)) > 0 ) {
- DispatchMessage(&msg);
- }
- }
- }
- void DIB_InitOSKeymap(_THIS)
- {
- int i;
- /* Map the VK keysyms */
- for ( i=0; i<SDL_TABLESIZE(VK_keymap); ++i )
- VK_keymap[i] = SDLK_UNKNOWN;
- VK_keymap[VK_BACK] = SDLK_BACKSPACE;
- VK_keymap[VK_TAB] = SDLK_TAB;
- VK_keymap[VK_CLEAR] = SDLK_CLEAR;
- VK_keymap[VK_RETURN] = SDLK_RETURN;
- VK_keymap[VK_PAUSE] = SDLK_PAUSE;
- VK_keymap[VK_ESCAPE] = SDLK_ESCAPE;
- VK_keymap[VK_SPACE] = SDLK_SPACE;
- VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE;
- VK_keymap[VK_COMMA] = SDLK_COMMA;
- VK_keymap[VK_MINUS] = SDLK_MINUS;
- VK_keymap[VK_PERIOD] = SDLK_PERIOD;
- VK_keymap[VK_SLASH] = SDLK_SLASH;
- VK_keymap[VK_0] = SDLK_0;
- VK_keymap[VK_1] = SDLK_1;
- VK_keymap[VK_2] = SDLK_2;
- VK_keymap[VK_3] = SDLK_3;
- VK_keymap[VK_4] = SDLK_4;
- VK_keymap[VK_5] = SDLK_5;
- VK_keymap[VK_6] = SDLK_6;
- VK_keymap[VK_7] = SDLK_7;
- VK_keymap[VK_8] = SDLK_8;
- VK_keymap[VK_9] = SDLK_9;
- VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON;
- VK_keymap[VK_EQUALS] = SDLK_EQUALS;
- VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET;
- VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH;
- VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET;
- VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE;
- VK_keymap[VK_BACKTICK] = SDLK_BACKQUOTE;
- VK_keymap[VK_A] = SDLK_a;
- VK_keymap[VK_B] = SDLK_b;
- VK_keymap[VK_C] = SDLK_c;
- VK_keymap[VK_D] = SDLK_d;
- VK_keymap[VK_E] = SDLK_e;
- VK_keymap[VK_F] = SDLK_f;
- VK_keymap[VK_G] = SDLK_g;
- VK_keymap[VK_H] = SDLK_h;
- VK_keymap[VK_I] = SDLK_i;
- VK_keymap[VK_J] = SDLK_j;
- VK_keymap[VK_K] = SDLK_k;
- VK_keymap[VK_L] = SDLK_l;
- VK_keymap[VK_M] = SDLK_m;
- VK_keymap[VK_N] = SDLK_n;
- VK_keymap[VK_O] = SDLK_o;
- VK_keymap[VK_P] = SDLK_p;
- VK_keymap[VK_Q] = SDLK_q;
- VK_keymap[VK_R] = SDLK_r;
- VK_keymap[VK_S] = SDLK_s;
- VK_keymap[VK_T] = SDLK_t;
- VK_keymap[VK_U] = SDLK_u;
- VK_keymap[VK_V] = SDLK_v;
- VK_keymap[VK_W] = SDLK_w;
- VK_keymap[VK_X] = SDLK_x;
- VK_keymap[VK_Y] = SDLK_y;
- VK_keymap[VK_Z] = SDLK_z;
- VK_keymap[VK_DELETE] = SDLK_DELETE;
- VK_keymap[VK_NUMPAD0] = SDLK_KP0;
- VK_keymap[VK_NUMPAD1] = SDLK_KP1;
- VK_keymap[VK_NUMPAD2] = SDLK_KP2;
- VK_keymap[VK_NUMPAD3] = SDLK_KP3;
- VK_keymap[VK_NUMPAD4] = SDLK_KP4;
- VK_keymap[VK_NUMPAD5] = SDLK_KP5;
- VK_keymap[VK_NUMPAD6] = SDLK_KP6;
- VK_keymap[VK_NUMPAD7] = SDLK_KP7;
- VK_keymap[VK_NUMPAD8] = SDLK_KP8;
- VK_keymap[VK_NUMPAD9] = SDLK_KP9;
- VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD;
- VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE;
- VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY;
- VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS;
- VK_keymap[VK_ADD] = SDLK_KP_PLUS;
- VK_keymap[VK_UP] = SDLK_UP;
- VK_keymap[VK_DOWN] = SDLK_DOWN;
- VK_keymap[VK_RIGHT] = SDLK_RIGHT;
- VK_keymap[VK_LEFT] = SDLK_LEFT;
- VK_keymap[VK_INSERT] = SDLK_INSERT;
- VK_keymap[VK_HOME] = SDLK_HOME;
- VK_keymap[VK_END] = SDLK_END;
- VK_keymap[VK_PRIOR] = SDLK_PAGEUP;
- VK_keymap[VK_NEXT] = SDLK_PAGEDOWN;
- VK_keymap[VK_F1] = SDLK_F1;
- VK_keymap[VK_F2] = SDLK_F2;
- VK_keymap[VK_F3] = SDLK_F3;
- VK_keymap[VK_F4] = SDLK_F4;
- VK_keymap[VK_F5] = SDLK_F5;
- VK_keymap[VK_F6] = SDLK_F6;
- VK_keymap[VK_F7] = SDLK_F7;
- VK_keymap[VK_F8] = SDLK_F8;
- VK_keymap[VK_F9] = SDLK_F9;
- VK_keymap[VK_F10] = SDLK_F10;
- VK_keymap[VK_F11] = SDLK_F11;
- VK_keymap[VK_F12] = SDLK_F12;
- VK_keymap[VK_F13] = SDLK_F13;
- VK_keymap[VK_F14] = SDLK_F14;
- VK_keymap[VK_F15] = SDLK_F15;
- VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK;
- VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK;
- VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK;
- VK_keymap[VK_RSHIFT] = SDLK_RSHIFT;
- VK_keymap[VK_LSHIFT] = SDLK_LSHIFT;
- VK_keymap[VK_RCONTROL] = SDLK_RCTRL;
- VK_keymap[VK_LCONTROL] = SDLK_LCTRL;
- VK_keymap[VK_RMENU] = SDLK_RALT;
- VK_keymap[VK_LMENU] = SDLK_LALT;
- VK_keymap[VK_RWIN] = SDLK_RSUPER;
- VK_keymap[VK_LWIN] = SDLK_LSUPER;
- VK_keymap[VK_HELP] = SDLK_HELP;
- #ifdef VK_PRINT
- VK_keymap[VK_PRINT] = SDLK_PRINT;
- #endif
- VK_keymap[VK_SNAPSHOT] = SDLK_PRINT;
- VK_keymap[VK_CANCEL] = SDLK_BREAK;
- VK_keymap[VK_APPS] = SDLK_MENU;
- }
- static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed)
- {
- /* Set the keysym information */
- keysym->scancode = (unsigned char) scancode;
- keysym->sym = VK_keymap[vkey];
- keysym->mod = KMOD_NONE;
- keysym->unicode = 0;
- if ( pressed && SDL_TranslateUNICODE ) { /* Someday use ToUnicode() */
- #ifdef NO_GETKEYBOARDSTATE
- /* Uh oh, better hope the vkey is close enough.. */
- keysym->unicode = vkey;
- #else
- BYTE keystate[256];
- BYTE chars[2];
- GetKeyboardState(keystate);
- if ( ToAscii(vkey,scancode,keystate,(WORD *)chars,0) == 1 ) {
- keysym->unicode = chars[0];
- }
- #endif /* NO_GETKEYBOARDSTATE */
- }
- return(keysym);
- }
- int DIB_CreateWindow(_THIS)
- {
- #ifdef _WIN32_WCE
- /* WinCE uses the UNICODE version */
- int nLen = strlen(SDL_Appname)+1;
- LPWSTR lpszW = alloca(nLen*2);
- MultiByteToWideChar(CP_ACP, 0, SDL_Appname, -1, lpszW, nLen);
- SDL_RegisterApp("SDL_app", 0, 0);
- SDL_Window = CreateWindow(lpszW, lpszW, WS_VISIBLE,
- 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
- if ( SDL_Window == NULL ) {
- SDL_SetError("Couldn't create window");
- return(-1);
- }
- ShowWindow(SDL_Window, SW_HIDE);
- #else
- SDL_RegisterApp("SDL_app", CS_BYTEALIGNCLIENT, 0);
- if ( SDL_windowid ) {
- SDL_Window = (HWND)strtol(SDL_windowid, NULL, 0);
- /* DJM: we want all event's for the user specified
- window to be handled by SDL.
- */
- if (SDL_Window) {
- userWindowProc = (WNDPROC)GetWindowLong(SDL_Window, GWL_WNDPROC);
- SetWindowLong(SDL_Window, GWL_WNDPROC, (LONG)WinMessage);
- }
- } else {
- SDL_Window = CreateWindow(SDL_Appname, SDL_Appname,
- (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
- 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
- if ( SDL_Window == NULL ) {
- SDL_SetError("Couldn't create window");
- return(-1);
- }
- ShowWindow(SDL_Window, SW_HIDE);
- }
- #endif /* _WIN32_WCE */
- return(0);
- }
- void DIB_DestroyWindow(_THIS)
- {
- if ( SDL_windowid == NULL ) {
- DestroyWindow(SDL_Window);
- }
- }