diff src/video/bwindow/SDL_sysevents.cc @ 3878:678576473849 SDL-1.2

Fixed bug #286 Date: Thu, 9 Feb 2006 17:06:51 +0300 From: "Oleg K [BeSman]" Subject: BeOS SDL patches Hello all. My name is Oleg K. [BeSman], Im a BeOS user from Russia.This mail contain a BeOs-specific patches to SDL (implementation of InputGrabbing and mouse_relative mode). See the source in attached file for details.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 24 Sep 2006 15:31:42 +0000
parents 376665398b25
children 1146681dbb74
line wrap: on
line diff
--- a/src/video/bwindow/SDL_sysevents.cc	Sun Sep 24 01:27:40 2006 +0000
+++ b/src/video/bwindow/SDL_sysevents.cc	Sun Sep 24 15:31:42 2006 +0000
@@ -29,6 +29,8 @@
 #include "SDL_BWin.h"
 #include "SDL_lowvideo.h"
 
+static SDLKey keymap[128];
+int mouse_relative = 0;
 extern "C" {
 
 #include "../../events/SDL_sysevents.h"
@@ -41,6 +43,340 @@
 
 void BE_InitOSKeymap(_THIS)
 {
+		for ( uint i=0; i<SDL_TABLESIZE(keymap); ++i )
+			keymap[i] = SDLK_UNKNOWN;
+
+		keymap[0x01]		= SDLK_ESCAPE;
+		keymap[B_F1_KEY]	= SDLK_F1;
+		keymap[B_F2_KEY]	= SDLK_F2;
+		keymap[B_F3_KEY]	= SDLK_F3;
+		keymap[B_F4_KEY]	= SDLK_F4;
+		keymap[B_F5_KEY]	= SDLK_F5;
+		keymap[B_F6_KEY]	= SDLK_F6;
+		keymap[B_F7_KEY]	= SDLK_F7;
+		keymap[B_F8_KEY]	= SDLK_F8;
+		keymap[B_F9_KEY]	= SDLK_F9;
+		keymap[B_F10_KEY]	= SDLK_F10;
+		keymap[B_F11_KEY]	= SDLK_F11;
+		keymap[B_F12_KEY]	= SDLK_F12;
+		keymap[B_PRINT_KEY]	= SDLK_PRINT;
+		keymap[B_SCROLL_KEY]	= SDLK_SCROLLOCK;
+		keymap[B_PAUSE_KEY]	= SDLK_PAUSE;
+		keymap[0x11]		= SDLK_BACKQUOTE;
+		keymap[0x12]		= SDLK_1;
+		keymap[0x13]		= SDLK_2;
+		keymap[0x14]		= SDLK_3;
+		keymap[0x15]		= SDLK_4;
+		keymap[0x16]		= SDLK_5;
+		keymap[0x17]		= SDLK_6;
+		keymap[0x18]		= SDLK_7;
+		keymap[0x19]		= SDLK_8;
+		keymap[0x1a]		= SDLK_9;
+		keymap[0x1b]		= SDLK_0;
+		keymap[0x1c]		= SDLK_MINUS;
+		keymap[0x1d]		= SDLK_EQUALS;
+		keymap[0x1e]		= SDLK_BACKSPACE;
+		keymap[0x1f]		= SDLK_INSERT;
+		keymap[0x20]		= SDLK_HOME;
+		keymap[0x21]		= SDLK_PAGEUP;
+		keymap[0x22]		= SDLK_NUMLOCK;
+		keymap[0x23]		= SDLK_KP_DIVIDE;
+		keymap[0x24]		= SDLK_KP_MULTIPLY;
+		keymap[0x25]		= SDLK_KP_MINUS;
+		keymap[0x26]		= SDLK_TAB;
+		keymap[0x27]		= SDLK_q;
+		keymap[0x28]		= SDLK_w;
+		keymap[0x29]		= SDLK_e;
+		keymap[0x2a]		= SDLK_r;
+		keymap[0x2b]		= SDLK_t;
+		keymap[0x2c]		= SDLK_y;
+		keymap[0x2d]		= SDLK_u;
+		keymap[0x2e]		= SDLK_i;
+		keymap[0x2f]		= SDLK_o;
+		keymap[0x30]		= SDLK_p;
+		keymap[0x31]		= SDLK_LEFTBRACKET;
+		keymap[0x32]		= SDLK_RIGHTBRACKET;
+		keymap[0x33]		= SDLK_BACKSLASH;
+		keymap[0x34]		= SDLK_DELETE;
+		keymap[0x35]		= SDLK_END;
+		keymap[0x36]		= SDLK_PAGEDOWN;
+		keymap[0x37]		= SDLK_KP7;
+		keymap[0x38]		= SDLK_KP8;
+		keymap[0x39]		= SDLK_KP9;
+		keymap[0x3a]		= SDLK_KP_PLUS;
+		keymap[0x3b]		= SDLK_CAPSLOCK;
+		keymap[0x3c]		= SDLK_a;
+		keymap[0x3d]		= SDLK_s;
+		keymap[0x3e]		= SDLK_d;
+		keymap[0x3f]		= SDLK_f;
+		keymap[0x40]		= SDLK_g;
+		keymap[0x41]		= SDLK_h;
+		keymap[0x42]		= SDLK_j;
+		keymap[0x43]		= SDLK_k;
+		keymap[0x44]		= SDLK_l;
+		keymap[0x45]		= SDLK_SEMICOLON;
+		keymap[0x46]		= SDLK_QUOTE;
+		keymap[0x47]		= SDLK_RETURN;
+		keymap[0x48]		= SDLK_KP4;
+		keymap[0x49]		= SDLK_KP5;
+		keymap[0x4a]		= SDLK_KP6;
+		keymap[0x4b]		= SDLK_LSHIFT;
+		keymap[0x4c]		= SDLK_z;
+		keymap[0x4d]		= SDLK_x;
+		keymap[0x4e]		= SDLK_c;
+		keymap[0x4f]		= SDLK_v;
+		keymap[0x50]		= SDLK_b;
+		keymap[0x51]		= SDLK_n;
+		keymap[0x52]		= SDLK_m;
+		keymap[0x53]		= SDLK_COMMA;
+		keymap[0x54]		= SDLK_PERIOD;
+		keymap[0x55]		= SDLK_SLASH;
+		keymap[0x56]		= SDLK_RSHIFT;
+		keymap[0x57]		= SDLK_UP;
+		keymap[0x58]		= SDLK_KP1;
+		keymap[0x59]		= SDLK_KP2;
+		keymap[0x5a]		= SDLK_KP3;
+		keymap[0x5b]		= SDLK_KP_ENTER;
+		keymap[0x5c]		= SDLK_LCTRL;
+		keymap[0x5d]		= SDLK_LALT;
+		keymap[0x5e]		= SDLK_SPACE;
+		keymap[0x5f]		= SDLK_RALT;
+		keymap[0x60]		= SDLK_RCTRL;
+		keymap[0x61]		= SDLK_LEFT;
+		keymap[0x62]		= SDLK_DOWN;
+		keymap[0x63]		= SDLK_RIGHT;
+		keymap[0x64]		= SDLK_KP0;
+		keymap[0x65]		= SDLK_KP_PERIOD;
+		keymap[0x66]		= SDLK_LMETA;
+		keymap[0x67]		= SDLK_RMETA;
+		keymap[0x68]		= SDLK_MENU;
+		keymap[0x69]		= SDLK_EURO;
+		keymap[0x6a]		= SDLK_KP_EQUALS;
+		keymap[0x6b]		= SDLK_POWER;
 }
 
 }; /* Extern C */
+
+void SDL_BWin::DispatchMessage(BMessage *msg, BHandler *target)
+{
+	switch (msg->what) {
+		case B_MOUSE_MOVED:
+		{
+			SDL_VideoDevice *view = current_video;
+			BPoint where;
+			int32 transit;
+			if (msg->FindPoint("where", &where) == B_OK && msg->FindInt32("be:transit", &transit) == B_OK) {
+
+//BeSman: I need another method for cursor catching !!!
+if(view->input_grab != SDL_GRAB_OFF)
+{			
+			BPoint center;
+			center.x = (SDL_VideoSurface->w/2);
+			center.y = (SDL_VideoSurface->h/2);
+			BPoint delta = where - center;
+if(delta.x > center.x)
+SDL_WarpMouse((int)center.x*2,(int)where.y);
+
+if(delta.x < -center.x)
+SDL_WarpMouse(0,(int)where.y);
+
+if(delta.y > center.y)
+SDL_WarpMouse((int)where.x,(int)center.y*2);
+
+if(delta.y < -center.y)
+SDL_WarpMouse((int)where.x,0);
+
+
+if((delta.x-1 < -center.x)&&(delta.y-1 < -center.y))
+SDL_WarpMouse(1,1);
+
+if((delta.x-1 < -center.x)&&(delta.y+1 > center.y))
+SDL_WarpMouse(1,(int)center.y*2-1);
+
+if((delta.x+1 > center.x)&&(delta.y-1 < -center.y))
+SDL_WarpMouse((int)center.x*2-1,1);
+
+if((delta.x+1 > center.x)&&(delta.y+1 > center.y))
+SDL_WarpMouse((int)center.x*2-1,(int)center.y*2-1);				
+
+}
+				if (transit == B_EXITED_VIEW) {
+					if ( SDL_GetAppState() & SDL_APPMOUSEFOCUS ) {
+						SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
+				//		be_app->SetCursor(B_HAND_CURSOR);
+					}
+				} else {
+		
+					int x, y;
+					if ( ! (SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) {
+						SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
+						SDL_SetCursor(NULL);
+					}
+					x = (int)where.x;
+					y = (int)where.y;
+
+					if ( mouse_relative ) {
+						BPoint center;
+						center.x = (SDL_VideoSurface->w/2);
+						center.y = (SDL_VideoSurface->h/2);
+						x -= (int)center.x;
+						y -= (int)center.y;
+						if ( x || y ) {
+							ConvertToScreen(&center);
+							set_mouse_position((int)center.x, (int)center.y);
+							SDL_PrivateMouseMotion(0, 1, x, y);
+						}
+					} else {
+						SDL_PrivateMouseMotion(0, 0, x, y);
+					}
+				}
+			}
+			break;
+		}
+
+		case B_MOUSE_DOWN:
+		{
+			/*	it looks like mouse down is send only for first clicked
+				button, each next is not send while last one is holded */
+			int32 buttons;
+			int sdl_buttons = 0;
+			if (msg->FindInt32("buttons", &buttons) == B_OK) {
+				/* Add any mouse button events */
+				if (buttons & B_PRIMARY_MOUSE_BUTTON) {
+					sdl_buttons |= SDL_BUTTON_LEFT;
+				}
+				if (buttons & B_SECONDARY_MOUSE_BUTTON) {
+					sdl_buttons |= SDL_BUTTON_RIGHT;
+				}
+				if (buttons & B_TERTIARY_MOUSE_BUTTON) {
+					sdl_buttons |= SDL_BUTTON_MIDDLE;
+				}
+				SDL_PrivateMouseButton(SDL_PRESSED, sdl_buttons, 0, 0);
+
+				last_buttons = buttons;
+			}
+			break;
+		}
+
+		case B_MOUSE_UP:
+		{
+			/*	mouse up doesn't give which button was released,
+				only state of buttons (after release, so it's always = 0),
+				which is not what we need ;]
+				So we need to store button in mouse down, and restore
+				in mouse up :(
+				mouse up is (similarly to mouse down) send only for
+				first button down (ie. it's no send if we click another button
+				without releasing previous one first) - but that's probably
+				because of how drivers are written?, not BeOS itself. */
+			int32 buttons;
+			int sdl_buttons = 0;
+			if (msg->FindInt32("buttons", &buttons) == B_OK) {
+				/* Add any mouse button events */
+				if ((buttons ^ B_PRIMARY_MOUSE_BUTTON) & last_buttons) {
+					sdl_buttons |= SDL_BUTTON_LEFT;
+				}
+				if ((buttons ^ B_SECONDARY_MOUSE_BUTTON) & last_buttons) {
+					sdl_buttons |= SDL_BUTTON_RIGHT;
+				}
+				if ((buttons ^ B_TERTIARY_MOUSE_BUTTON) & last_buttons) {
+					sdl_buttons |= SDL_BUTTON_MIDDLE;
+				}
+				SDL_PrivateMouseButton(SDL_RELEASED, sdl_buttons, 0, 0);
+
+				last_buttons = buttons;
+			}
+			break;
+		}
+
+		case B_MOUSE_WHEEL_CHANGED:
+		{
+			float x, y;
+			x = y = 0;
+			if (msg->FindFloat("be:wheel_delta_x", &x) == B_OK && msg->FindFloat("be:wheel_delta_y", &y) == B_OK) {
+				if (x < 0 || y < 0) {
+					SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELDOWN, 0, 0);
+					SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELDOWN, 0, 0);
+				} else if (x > 0 || y > 0) {
+					SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELUP, 0, 0);
+					SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELUP, 0, 0);
+				}
+			}
+			break;
+		}
+
+		case B_KEY_DOWN:
+		case B_UNMAPPED_KEY_DOWN: /* modifier keys are unmapped */
+		{
+			int32 key;
+			int32 modifiers;
+			int32 key_repeat;
+			/* Workaround for SDL message queue being filled too fast because of BeOS own key-repeat mechanism */
+			if (msg->FindInt32("be:key_repeat", &key_repeat) == B_OK && key_repeat > 0)
+				break;
+
+			if (msg->FindInt32("key", &key) == B_OK && msg->FindInt32("modifiers", &modifiers) == B_OK) {
+				SDL_keysym keysym;
+				keysym.scancode = key;
+				if (key < 128) {
+					keysym.sym = keymap[key];
+				} else {
+					keysym.sym = SDLK_UNKNOWN;
+				}
+				/*	FIX THIS?
+					it seems SDL_PrivateKeyboard() changes mod value
+					anyway, and doesn't care about what we setup here */
+				keysym.mod = KMOD_NONE;
+				keysym.unicode = 0;
+				if (SDL_TranslateUNICODE) {
+					const char *bytes;
+					if (msg->FindString("bytes", &bytes) == B_OK) {
+						/*	FIX THIS?
+							this cares only about first "letter",
+							so if someone maps some key to print
+							"BeOS rulez!" only "B" will be used. */
+						keysym.unicode = Translate2Unicode(bytes);
+					}
+				}
+				SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
+			}
+			break;
+		}
+
+		case B_KEY_UP:
+		case B_UNMAPPED_KEY_UP: /* modifier keys are unmapped */
+		{
+			int32 key;
+			int32 modifiers;
+			if (msg->FindInt32("key", &key) == B_OK && msg->FindInt32("modifiers", &modifiers) == B_OK) {
+				SDL_keysym keysym;
+				keysym.scancode = key;
+				if (key < 128) {
+					keysym.sym = keymap[key];
+				} else {
+					keysym.sym = SDLK_UNKNOWN;
+				}
+				keysym.mod = KMOD_NONE; /* FIX THIS? */
+				keysym.unicode = 0;
+				if (SDL_TranslateUNICODE) {
+					const char *bytes;
+					if (msg->FindString("bytes", &bytes) == B_OK) {
+						keysym.unicode = Translate2Unicode(bytes);
+					}
+				}
+				SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
+			}
+			break;
+		}
+
+		default:
+			/* move it after switch{} so it's always handled
+				that way we keep BeOS feautures like:
+				- CTRL+Q to close window (and other shortcuts)
+				- PrintScreen to make screenshot into /boot/home
+				- etc.. */
+			//BDirectWindow::DispatchMessage(msg, target);
+			break;
+	}
+	BDirectWindow::DispatchMessage(msg, target);
+}