/
SDL_gemevents.c
377 lines (327 loc) · 9.83 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2012 Sam Lantinga
4
5
This library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
9
10
11
12
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
13
Lesser General Public License for more details.
14
15
16
17
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
18
19
20
21
Sam Lantinga
slouken@libsdl.org
*/
22
#include "SDL_config.h"
23
24
25
26
27
28
29
30
31
32
33
34
/*
* 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>
35
36
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
37
38
#include "SDL_gemvideo.h"
#include "SDL_gemevents_c.h"
39
#include "SDL_gemmouse_c.h"
40
41
42
#include "../ataricommon/SDL_atarikeys.h" /* for keyboard scancodes */
#include "../ataricommon/SDL_atarievents_c.h"
#include "../ataricommon/SDL_xbiosevents_c.h"
43
#include "../ataricommon/SDL_ataridevmouse_c.h"
44
45
46
47
48
49
50
51
52
53
/* 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);
54
static void do_mouse(_THIS, short mx, short my, short mb, short ks);
55
56
57
58
59
/* Functions */
void GEM_InitOSKeymap(_THIS)
{
60
61
SDL_memset(gem_currentkeyboard, 0, sizeof(gem_currentkeyboard));
SDL_memset(gem_previouskeyboard, 0, sizeof(gem_previouskeyboard));
62
63
64
/* Mouse init */
GEM_mouse_relative = SDL_FALSE;
65
66
SDL_Atari_InitInternalKeymap(this);
67
68
69
70
}
void GEM_PumpEvents(_THIS)
{
71
72
short prevkc, prevks;
static short maskmouseb=0;
73
74
75
int i;
SDL_keysym keysym;
76
SDL_memset(gem_currentkeyboard,0,sizeof(gem_currentkeyboard));
77
prevkc = prevks = 0;
78
79
80
for (;;)
{
81
int quit, resultat, event_mask, mouse_event;
82
short buffer[8], kc;
83
short x2,y2,w2,h2;
84
85
short mousex, mousey, mouseb, dummy;
short kstate;
86
87
88
89
quit =
mouse_event =
x2=y2=w2=h2 = 0;
90
91
event_mask = MU_MESAG|MU_TIMER|MU_KEYBD|MU_BUTTON;
92
93
if (!GEM_fullscreen && (GEM_handle>=0)) {
wind_get (GEM_handle, WF_WORKXYWH, &x2, &y2, &w2, &h2);
94
event_mask |= MU_M1;
95
96
mouse_event = ( (SDL_GetAppState() & SDL_APPMOUSEFOCUS)
== SDL_APPMOUSEFOCUS) ? MO_LEAVE : MO_ENTER;
97
98
}
99
resultat = evnt_multi(
100
event_mask,
101
0x101,7,maskmouseb,
102
103
mouse_event,x2,y2,w2,h2,
0,0,0,0,0,
104
105
buffer,
10,
106
&mousex,&mousey,&mouseb,&kstate,&kc,&dummy
107
108
109
110
111
112
113
);
/* Message event ? */
if (resultat & MU_MESAG)
quit = do_messages(this, buffer);
/* Keyboard event ? */
114
115
116
if (resultat & MU_KEYBD) {
if ((prevkc != kc) || (prevks != kstate)) {
do_keyboard(kc,kstate);
117
118
prevkc = kc;
prevks = ks;
119
120
121
122
123
} else {
/* Avoid looping, if repeating same key */
break;
}
}
124
125
126
127
/* Mouse entering/leaving window */
if (resultat & MU_M1) {
if (this->input_grab == SDL_GRAB_OFF) {
128
129
130
/* Switch mouse focus state */
SDL_PrivateAppActive((mouse_event == MO_ENTER),
SDL_APPMOUSEFOCUS);
131
}
132
GEM_CheckMouseMode(this);
133
134
}
135
136
137
138
139
140
/* Mouse button event ? */
if (resultat & MU_BUTTON) {
do_mouse(this, mousex, mousey, mouseb, kstate);
maskmouseb = mouseb & 7;
}
141
142
143
144
145
/* Timer event ? */
if ((resultat & MU_TIMER) || quit)
break;
}
146
/* Now generate keyboard events */
147
148
149
for (i=0; i<ATARIBIOS_MAXKEYS; i++) {
/* Key pressed ? */
if (gem_currentkeyboard[i] && !gem_previouskeyboard[i])
150
SDL_PrivateKeyboard(SDL_PRESSED,
151
SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE));
152
153
154
/* Key unpressed ? */
if (gem_previouskeyboard[i] && !gem_currentkeyboard[i])
155
SDL_PrivateKeyboard(SDL_RELEASED,
156
SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE));
157
158
}
159
SDL_memcpy(gem_previouskeyboard,gem_currentkeyboard,sizeof(gem_previouskeyboard));
160
161
162
/* Refresh window name ? */
if (GEM_refresh_name) {
163
164
165
166
167
168
169
170
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);
171
172
173
}
GEM_refresh_name = SDL_FALSE;
}
174
175
176
177
}
static int do_messages(_THIS, short *message)
{
178
int quit, check_mouse_mode;
179
short x2,y2,w2,h2;
180
181
quit = check_mouse_mode = 0;
182
183
184
switch (message[0]) {
case WM_CLOSED:
case AP_TERM:
185
SDL_PrivateQuit();
186
187
188
189
190
191
192
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);
193
194
/* Continue with TOP event processing */
case WM_ONTOP:
195
SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);
196
197
198
if (VDI_setpalette) {
VDI_setpalette(this, VDI_curpalette);
}
199
check_mouse_mode = 1;
200
201
break;
case WM_REDRAW:
202
203
204
if (!GEM_lock_redraw) {
GEM_wind_redraw(this, message[3],&message[4]);
}
205
206
207
208
209
210
211
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 */
212
SDL_PrivateAppActive(0, SDL_APPACTIVE);
213
}
214
215
216
217
218
/* 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;
}
219
check_mouse_mode = 1;
220
221
222
223
224
225
226
227
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);
}
228
229
230
231
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;
}
232
check_mouse_mode = 1;
233
234
235
break;
case WM_SIZED:
wind_set (message[3], WF_CURRXYWH, message[4], message[5], message[6], message[7]);
236
wind_get (message[3], WF_WORKXYWH, &x2, &y2, &w2, &h2);
237
238
GEM_win_fulled = SDL_FALSE; /* Cancel maximized flag */
GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers resized */
239
SDL_PrivateResize(w2, h2);
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
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);
256
wind_get (message[3], WF_WORKXYWH, &x2, &y2, &w2, &h2);
257
GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers resized */
258
SDL_PrivateResize(w2, h2);
259
260
261
}
break;
case WM_BOTTOMED:
262
263
wind_set(message[3],WF_BOTTOM,0,0,0,0);
/* Continue with BOTTOM event processing */
264
265
case WM_UNTOPPED:
SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS);
266
267
268
if (VDI_setpalette) {
VDI_setpalette(this, VDI_oldpalette);
}
269
check_mouse_mode = 1;
270
271
break;
}
272
273
274
275
if (check_mouse_mode) {
GEM_CheckMouseMode(this);
}
276
277
278
279
280
281
return quit;
}
static void do_keyboard(short kc, short ks)
{
282
int scancode;
283
284
if (kc) {
285
scancode=(kc>>8) & (ATARIBIOS_MAXKEYS-1);
286
287
288
289
290
291
292
293
294
295
296
297
298
299
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;
}
300
static void do_mouse(_THIS, short mx, short my, short mb, short ks)
301
{
302
static short prevmousex=0, prevmousey=0, prevmouseb=0;
303
304
short x2, y2, w2, h2;
305
306
307
308
309
/* Don't return mouse events if out of window */
if ((SDL_GetAppState() & SDL_APPMOUSEFOCUS)==0) {
return;
}
310
311
/* Retrieve window coords, and generate mouse events accordingly */
x2 = y2 = 0;
312
313
w2 = VDI_w;
h2 = VDI_h;
314
315
316
317
318
319
320
321
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;
}
}
322
323
/* Mouse motion ? */
324
if (GEM_mouse_relative) {
325
326
327
328
329
if (GEM_usedevmouse) {
SDL_AtariDevMouse_PostMouseEvents(this, SDL_FALSE);
} else {
SDL_AtariXbios_PostMouseEvents(this, SDL_FALSE);
}
330
331
} else {
if ((prevmousex!=mx) || (prevmousey!=my)) {
332
333
334
335
int posx, posy;
/* Give mouse position relative to window position */
posx = mx - x2;
336
if (posx<0) posx = 0;
337
338
if (posx>w2) posx = w2-1;
posy = my - y2;
339
if (posy<0) posy = 0;
340
341
342
if (posy>h2) posy = h2-1;
SDL_PrivateMouseMotion(0, 0, posx, posy);
343
344
345
346
347
348
349
350
351
}
prevmousex = mx;
prevmousey = my;
}
/* Mouse button ? */
if (prevmouseb!=mb) {
int i;
352
for (i=0;i<3;i++) {
353
354
355
356
357
int curbutton, prevbutton;
curbutton = mb & (1<<i);
prevbutton = prevmouseb & (1<<i);
358
359
if (curbutton && !prevbutton) {
SDL_PrivateMouseButton(SDL_PRESSED, i+1, 0, 0);
360
}
361
362
if (!curbutton && prevbutton) {
SDL_PrivateMouseButton(SDL_RELEASED, i+1, 0, 0);
363
364
365
366
}
}
prevmouseb = mb;
}
367
368
369
370
371
372
373
374
375
376
/* 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;
377
}