Import SDL release-1.2.15

Change-Id: I505c4aea24325cad475f217db5589814b4c75dbf

1 files changed, 375 insertions, 0 deletions

diff --git a/distrib/sdl-1.2.15/src/video/gem/SDL_gemevents.c b/distrib/sdl-1.2.15/src/video/gem/SDL_gemevents.c
new file mode 100644
index 0000000..c5a505d
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/gem/SDL_gemevents.c
@@ -0,0 +1,375 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/*
+ * GEM SDL video driver implementation
+ * inspired from the Dummy SDL driver
+ * 
+ * Patrice Mandin
+ * and work from
+ * Olivier Landemarre, Johan Klockars, Xavier Joubert, Claude Attard
+ */
+
+#include <gem.h>
+
+#include "../../events/SDL_sysevents.h"
+#include "../../events/SDL_events_c.h"
+#include "SDL_gemvideo.h"
+#include "SDL_gemevents_c.h"
+#include "SDL_gemmouse_c.h"
+#include "../ataricommon/SDL_atarikeys.h"	/* for keyboard scancodes */
+#include "../ataricommon/SDL_atarievents_c.h"
+#include "../ataricommon/SDL_xbiosevents_c.h"
+#include "../ataricommon/SDL_ataridevmouse_c.h"
+
+/* Variables */
+
+static unsigned char gem_currentkeyboard[ATARIBIOS_MAXKEYS];
+static unsigned char gem_previouskeyboard[ATARIBIOS_MAXKEYS];
+
+/* Functions prototypes */
+
+static int do_messages(_THIS, short *message);
+static void do_keyboard(short kc, short ks);
+static void do_mouse(_THIS, short mx, short my, short mb, short ks);
+
+/* Functions */
+
+void GEM_InitOSKeymap(_THIS)
+{
+	SDL_memset(gem_currentkeyboard, 0, sizeof(gem_currentkeyboard));
+	SDL_memset(gem_previouskeyboard, 0, sizeof(gem_previouskeyboard));
+
+	/* Mouse init */
+	GEM_mouse_relative = SDL_FALSE;
+
+	SDL_Atari_InitInternalKeymap(this);
+}
+
+void GEM_PumpEvents(_THIS)
+{
+	short prevkc, prevks;
+	static short maskmouseb=0;
+	int i;
+	SDL_keysym	keysym;
+
+	SDL_memset(gem_currentkeyboard,0,sizeof(gem_currentkeyboard));
+	prevkc = prevks = 0;
+
+	for (;;)
+	{
+		int quit, resultat, event_mask, mouse_event;
+		short buffer[8], kc;
+		short x2,y2,w2,h2;
+		short mousex, mousey, mouseb, dummy;
+		short kstate;
+
+		quit =
+			mouse_event =
+			x2=y2=w2=h2 = 0;
+
+		event_mask = MU_MESAG|MU_TIMER|MU_KEYBD|MU_BUTTON;
+		if (!GEM_fullscreen && (GEM_handle>=0)) {
+			wind_get (GEM_handle, WF_WORKXYWH, &x2, &y2, &w2, &h2);
+			event_mask |= MU_M1;
+			mouse_event = ( (SDL_GetAppState() & SDL_APPMOUSEFOCUS)
+				== SDL_APPMOUSEFOCUS) ? MO_LEAVE : MO_ENTER;
+		}
+
+		resultat = evnt_multi(
+			event_mask,
+			0x101,7,maskmouseb,
+			mouse_event,x2,y2,w2,h2,
+			0,0,0,0,0,
+			buffer,
+			10,
+			&mousex,&mousey,&mouseb,&kstate,&kc,&dummy
+		);
+
+		/* Message event ? */
+		if (resultat & MU_MESAG)
+			quit = do_messages(this, buffer);
+
+		/* Keyboard event ? */
+		if (resultat & MU_KEYBD) {
+			if ((prevkc != kc) || (prevks != kstate)) {
+				do_keyboard(kc,kstate);
+			} else {
+				/* Avoid looping, if repeating same key */
+				break;
+			}
+		}
+
+		/* Mouse entering/leaving window */
+		if (resultat & MU_M1) {
+			if (this->input_grab == SDL_GRAB_OFF) {
+				/* Switch mouse focus state */
+				SDL_PrivateAppActive((mouse_event == MO_ENTER),
+					SDL_APPMOUSEFOCUS);
+			}
+			GEM_CheckMouseMode(this);
+		}
+
+		/* Mouse button event ? */
+		if (resultat & MU_BUTTON) {
+			do_mouse(this, mousex, mousey, mouseb, kstate);
+			maskmouseb = mouseb & 7;
+		}
+
+		/* Timer event ? */
+		if ((resultat & MU_TIMER) || quit)
+			break;
+	}
+
+	/* Now generate keyboard events */
+	for (i=0; i<ATARIBIOS_MAXKEYS; i++) {
+		/* Key pressed ? */
+		if (gem_currentkeyboard[i] && !gem_previouskeyboard[i])
+			SDL_PrivateKeyboard(SDL_PRESSED,
+				SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE));
+			
+		/* Key unpressed ? */
+		if (gem_previouskeyboard[i] && !gem_currentkeyboard[i])
+			SDL_PrivateKeyboard(SDL_RELEASED,
+				SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE));
+	}
+
+	SDL_memcpy(gem_previouskeyboard,gem_currentkeyboard,sizeof(gem_previouskeyboard));
+
+	/* Refresh window name ? */
+	if (GEM_refresh_name) {
+		const char *window_name =
+			(SDL_GetAppState() & SDL_APPACTIVE)
+			? GEM_title_name : GEM_icon_name;
+		if (window_name) {
+			wind_set(GEM_handle,WF_NAME,
+				(short)(((unsigned long)window_name)>>16),
+				(short)(((unsigned long)window_name) & 0xffff),
+				0,0);
+		}
+		GEM_refresh_name = SDL_FALSE;
+	}
+}
+
+static int do_messages(_THIS, short *message)
+{
+	int quit, check_mouse_mode;
+	short x2,y2,w2,h2;
+
+	quit = check_mouse_mode = 0;
+	switch (message[0]) {
+		case WM_CLOSED:
+		case AP_TERM:    
+			SDL_PrivateQuit();
+			quit=1;
+			break;
+		case WM_MOVED:
+			wind_set(message[3],WF_CURRXYWH,message[4],message[5],message[6],message[7]);
+			break;
+		case WM_TOPPED:
+			wind_set(message[3],WF_TOP,message[4],0,0,0);
+			/* Continue with TOP event processing */
+		case WM_ONTOP:
+			SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);
+			if (VDI_setpalette) {
+				VDI_setpalette(this, VDI_curpalette);
+			}
+			check_mouse_mode = 1;
+			break;
+		case WM_REDRAW:
+			if (!GEM_lock_redraw) {
+				GEM_wind_redraw(this, message[3],&message[4]);
+			}
+			break;
+		case WM_ICONIFY:
+		case WM_ALLICONIFY:
+			wind_set(message[3],WF_ICONIFY,message[4],message[5],message[6],message[7]);
+			/* If we're active, make ourselves inactive */
+			if ( SDL_GetAppState() & SDL_APPACTIVE ) {
+				/* Send an internal deactivate event */
+				SDL_PrivateAppActive(0, SDL_APPACTIVE);
+			}
+			/* Update window title */
+			if (GEM_refresh_name && GEM_icon_name) {
+				wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_icon_name)>>16),(short)(((unsigned long)GEM_icon_name) & 0xffff),0,0);
+				GEM_refresh_name = SDL_FALSE;
+			}
+			check_mouse_mode = 1;
+			break;
+		case WM_UNICONIFY:
+			wind_set(message[3],WF_UNICONIFY,message[4],message[5],message[6],message[7]);
+			/* If we're not active, make ourselves active */
+			if ( !(SDL_GetAppState() & SDL_APPACTIVE) ) {
+				/* Send an internal activate event */
+				SDL_PrivateAppActive(1, SDL_APPACTIVE);
+			}
+			if (GEM_refresh_name && GEM_title_name) {
+				wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_title_name)>>16),(short)(((unsigned long)GEM_title_name) & 0xffff),0,0);
+				GEM_refresh_name = SDL_FALSE;
+			}
+			check_mouse_mode = 1;
+			break;
+		case WM_SIZED:
+			wind_set (message[3], WF_CURRXYWH, message[4], message[5], message[6], message[7]);
+			wind_get (message[3], WF_WORKXYWH, &x2, &y2, &w2, &h2);
+			GEM_win_fulled = SDL_FALSE;		/* Cancel maximized flag */
+			GEM_lock_redraw = SDL_TRUE;		/* Prevent redraw till buffers resized */
+			SDL_PrivateResize(w2, h2);
+			break;
+		case WM_FULLED:
+			{
+				short x,y,w,h;
+
+				if (GEM_win_fulled) {
+					wind_get (message[3], WF_PREVXYWH, &x, &y, &w, &h);
+					GEM_win_fulled = SDL_FALSE;
+				} else {
+					x = GEM_desk_x;
+					y = GEM_desk_y;
+					w = GEM_desk_w;
+					h = GEM_desk_h;
+					GEM_win_fulled = SDL_TRUE;
+				}
+				wind_set (message[3], WF_CURRXYWH, x, y, w, h);
+				wind_get (message[3], WF_WORKXYWH, &x2, &y2, &w2, &h2);
+				GEM_lock_redraw = SDL_TRUE;		/* Prevent redraw till buffers resized */
+				SDL_PrivateResize(w2, h2);
+			}
+			break;
+		case WM_BOTTOMED:
+			wind_set(message[3],WF_BOTTOM,0,0,0,0);
+			/* Continue with BOTTOM event processing */
+		case WM_UNTOPPED:
+			SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS);
+			if (VDI_setpalette) {
+				VDI_setpalette(this, VDI_oldpalette);
+			}
+			check_mouse_mode = 1;
+			break;
+	}
+
+	if (check_mouse_mode) {
+		GEM_CheckMouseMode(this);
+	}
+	
+	return quit;
+}
+
+static void do_keyboard(short kc, short ks)
+{
+	int scancode;
+
+	if (kc) {
+		scancode=(kc>>8) & (ATARIBIOS_MAXKEYS-1);
+		gem_currentkeyboard[scancode]=0xFF;
+	}
+
+	/* Read special keys */
+	if (ks & K_RSHIFT)
+		gem_currentkeyboard[SCANCODE_RIGHTSHIFT]=0xFF;
+	if (ks & K_LSHIFT)
+		gem_currentkeyboard[SCANCODE_LEFTSHIFT]=0xFF;
+	if (ks & K_CTRL)
+		gem_currentkeyboard[SCANCODE_LEFTCONTROL]=0xFF;
+	if (ks & K_ALT)
+		gem_currentkeyboard[SCANCODE_LEFTALT]=0xFF;
+}
+
+static void do_mouse(_THIS, short mx, short my, short mb, short ks)
+{
+	static short prevmousex=0, prevmousey=0, prevmouseb=0;
+	short x2, y2, w2, h2;
+
+	/* Don't return mouse events if out of window */
+	if ((SDL_GetAppState() & SDL_APPMOUSEFOCUS)==0) {
+		return;
+	}
+
+	/* Retrieve window coords, and generate mouse events accordingly */
+	x2 = y2 = 0;
+	w2 = VDI_w;
+	h2 = VDI_h;
+	if ((!GEM_fullscreen) && (GEM_handle>=0)) {
+		wind_get (GEM_handle, WF_WORKXYWH, &x2, &y2, &w2, &h2);
+
+		/* Do not generate mouse button event if out of window working area */
+		if ((mx<x2) || (mx>=x2+w2) || (my<y2) || (my>=y2+h2)) {
+			mb=prevmouseb;
+		}
+	}
+
+	/* Mouse motion ? */
+	if (GEM_mouse_relative) {
+		if (GEM_usedevmouse) {
+			SDL_AtariDevMouse_PostMouseEvents(this, SDL_FALSE);
+		} else {
+			SDL_AtariXbios_PostMouseEvents(this, SDL_FALSE);
+		}
+	} else {
+		if ((prevmousex!=mx) || (prevmousey!=my)) {
+			int posx, posy;
+
+			/* Give mouse position relative to window position */
+			posx = mx - x2;
+			if (posx<0) posx = 0;
+			if (posx>w2) posx = w2-1;
+			posy = my - y2;
+			if (posy<0) posy = 0;
+			if (posy>h2) posy = h2-1;
+
+			SDL_PrivateMouseMotion(0, 0, posx, posy);
+		}
+		prevmousex = mx;
+		prevmousey = my;
+	}
+
+	/* Mouse button ? */
+	if (prevmouseb!=mb) {
+		int i;
+
+		for (i=0;i<3;i++) {
+			int curbutton, prevbutton;
+		
+			curbutton = mb & (1<<i);
+			prevbutton = prevmouseb & (1<<i);
+		
+			if (curbutton && !prevbutton) {
+				SDL_PrivateMouseButton(SDL_PRESSED, i+1, 0, 0);
+			}
+			if (!curbutton && prevbutton) {
+				SDL_PrivateMouseButton(SDL_RELEASED, i+1, 0, 0);
+			}
+		}
+		prevmouseb = mb;
+	}
+
+	/* Read special keys */
+	if (ks & K_RSHIFT)
+		gem_currentkeyboard[SCANCODE_RIGHTSHIFT]=0xFF;
+	if (ks & K_LSHIFT)
+		gem_currentkeyboard[SCANCODE_LEFTSHIFT]=0xFF;
+	if (ks & K_CTRL)
+		gem_currentkeyboard[SCANCODE_LEFTCONTROL]=0xFF;
+	if (ks & K_ALT)
+		gem_currentkeyboard[SCANCODE_LEFTALT]=0xFF;
+}