diff src/video/windib/SDL_dibevents.c @ 0:74212992fb08

Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children 13ee9f4834ea
line wrap: on
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/windib/SDL_dibevents.c	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,343 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  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@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#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)
+
+/* 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;
+			}
+			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);
+			}
+		}
+		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_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);
+	LPWSTR lpszW = alloca((nLen+1)*2);
+	MultiByteToWideChar(CP_ACP, 0, SDL_Appname, -1, lpszW, nLen);
+
+	SDL_RegisterApp("SDL_app", 0, 0);
+	SDL_Window = CreateWindow(lpszW, lpszW,
+                        (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);
+#else
+	SDL_RegisterApp("SDL_app", CS_BYTEALIGNCLIENT, 0);
+	if ( SDL_windowid ) {
+		SDL_Window = (HWND)strtol(SDL_windowid, NULL, 0);
+	} 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);
+	}
+}