firmware/target/hosted/sdl/button-sdl.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Felix Arends
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <math.h>
  23 #include <stdlib.h>         /* EXIT_SUCCESS */
  24 #include "sim-ui-defines.h"
  25 #include "lcd-charcells.h"
  26 #include "lcd-remote.h"
  27 #include "config.h"
  28 #include "button.h"
  29 #include "kernel.h"
  30 #include "backlight.h"
  31 #include "system.h"
  32 #include "button-sdl.h"
  33 #include "backlight.h"
  34 #include "sim_tasks.h"
  35 #include "buttonmap.h"
  36 #include "debug.h"
  37
  38 #ifdef HAVE_TOUCHSCREEN
  39 #include "touchscreen.h"
  40 static int mouse_coords = 0;
  41 #endif
  42 /* how long until repeat kicks in */
  43 #define REPEAT_START      6
  44
  45 /* the speed repeat starts at */
  46 #define REPEAT_INTERVAL_START   4
  47
  48 /* speed repeat finishes at */
  49 #define REPEAT_INTERVAL_FINISH  2
  50
  51 #ifdef HAVE_TOUCHSCREEN
  52 #define USB_KEY SDLK_c /* SDLK_u is taken by BUTTON_MIDLEFT */
  53 #else
  54 #define USB_KEY SDLK_u
  55 #endif
  56
  57 #if defined(IRIVER_H100_SERIES) || defined (IRIVER_H300_SERIES)
  58 int _remote_type=REMOTETYPE_H100_LCD;
  59
  60 int remote_type(void)
  61 {
  62     return _remote_type;
  63 }
  64 #endif
  65
  66 struct event_queue button_queue;
  67
  68 static int btn = 0;    /* Hopefully keeps track of currently pressed keys... */
  69
  70 int sdl_app_has_input_focus = 1;
  71
  72 #ifdef HAS_BUTTON_HOLD
  73 bool hold_button_state = false;
  74 bool button_hold(void) {
  75     return hold_button_state;
  76 }
  77 #endif
  78
  79 #ifdef HAS_REMOTE_BUTTON_HOLD
  80 bool remote_hold_button_state = false;
  81 bool remote_button_hold(void) {
  82     return remote_hold_button_state;
  83 }
  84 #endif
  85 static void button_event(int key, bool pressed);
  86 extern bool debug_wps;
  87 extern bool mapping;
  88
  89 #ifdef HAVE_TOUCHSCREEN
  90 static void touchscreen_event(int x, int y)
  91 {
  92     if(background) {
  93         x -= UI_LCD_POSX;
  94         y -= UI_LCD_POSY;
  95     }
  96
  97     if(x >= 0 && y >= 0 && x < SIM_LCD_WIDTH && y < SIM_LCD_HEIGHT) {
  98         mouse_coords = (x << 16) | y;
  99         button_event(BUTTON_TOUCHSCREEN, true);
 100         if (debug_wps)
 101             printf("Mouse at 1: (%d, %d)\n", x, y);
 102     }
 103 }
 104 #endif
 105
 106 static void mouse_event(SDL_MouseButtonEvent *event, bool button_up)
 107 {
 108 #define SQUARE(x) ((x)*(x))
 109     static int x,y;
 110 #ifdef SIMULATOR
 111     static int xybutton = 0;
 112 #endif
 113
 114     if(button_up) {
 115         switch ( event->button )
 116         {
 117 #ifdef HAVE_SCROLLWHEEL
 118         case SDL_BUTTON_WHEELUP:
 119         case SDL_BUTTON_WHEELDOWN:
 120 #endif
 121         case SDL_BUTTON_MIDDLE:
 122         case SDL_BUTTON_RIGHT:
 123             button_event( event->button, false );
 124             break;
 125         /* The scrollwheel button up events are ignored as they are queued immediately */
 126         case SDL_BUTTON_LEFT:
 127             if ( mapping && background ) {
 128                 printf("    { SDLK_,     %d, %d, %d, \"\" },\n", x, y,
 129                 (int)sqrt( SQUARE(x-(int)event->x) + SQUARE(y-(int)event->y))
 130                 );
 131             }
 132 #ifdef SIMULATOR
 133             if ( background && xybutton ) {
 134                     button_event( xybutton, false );
 135                     xybutton = 0;
 136                 }
 137 #endif
 138 #ifdef HAVE_TOUCHSCREEN
 139                 else
 140                     button_event(BUTTON_TOUCHSCREEN, false);
 141 #endif
 142             break;
 143         }
 144     } else {    /* button down */
 145         switch ( event->button )
 146         {
 147 #ifdef HAVE_SCROLLWHEEL
 148         case SDL_BUTTON_WHEELUP:
 149         case SDL_BUTTON_WHEELDOWN:
 150 #endif
 151         case SDL_BUTTON_MIDDLE:
 152         case SDL_BUTTON_RIGHT:
 153             button_event( event->button, true );
 154             break;
 155         case SDL_BUTTON_LEFT:
 156             if ( mapping && background ) {
 157                 x = event->x;
 158                 y = event->y;
 159             }
 160 #ifdef SIMULATOR
 161             if ( background ) {
 162                 xybutton = xy2button( event->x, event->y );
 163                 if( xybutton ) {
 164                     button_event( xybutton, true );
 165                     break;
 166                 }
 167             }
 168 #endif
 169 #ifdef HAVE_TOUCHSCREEN
 170             touchscreen_event(event->x, event->y);
 171 #endif
 172             break;
 173         }
 174
 175         if (debug_wps && event->button == SDL_BUTTON_LEFT)
 176         {
 177             int m_x, m_y;
 178
 179             if ( background )
 180             {
 181                 m_x = event->x - 1;
 182                 m_y = event->y - 1;
 183 #ifdef HAVE_REMOTE
 184                 if ( event->y >= UI_REMOTE_POSY ) /* Remote Screen */
 185                 {
 186                     m_x -= UI_REMOTE_POSX;
 187                     m_y -= UI_REMOTE_POSY;
 188                 }
 189                 else
 190 #endif
 191                 {
 192                     m_x -= UI_LCD_POSX;
 193                     m_y -= UI_LCD_POSY;
 194                 }
 195             }
 196             else
 197             {
 198                 m_x = event->x;
 199                 m_y = event->y;
 200 #ifdef HAVE_REMOTE
 201                 if ( m_y >= LCD_HEIGHT ) /* Remote Screen */
 202                     m_y -= LCD_HEIGHT;
 203 #endif
 204             }
 205
 206             printf("Mouse at 2: (%d, %d)\n", m_x, m_y);
 207         }
 208     }
 209 #undef SQUARE
 210 }
 211
 212 static bool event_handler(SDL_Event *event)
 213 {
 214     SDLKey ev_key;
 215
 216     switch(event->type)
 217     {
 218     case SDL_ACTIVEEVENT:
 219         if (event->active.state & SDL_APPINPUTFOCUS)
 220         {
 221             if (event->active.gain == 1)
 222                 sdl_app_has_input_focus = 1;
 223             else
 224                 sdl_app_has_input_focus = 0;
 225         }
 226         break;
 227     case SDL_KEYDOWN:
 228     case SDL_KEYUP:
 229         ev_key = event->key.keysym.sym;
 230 #if (CONFIG_PLATFORM & PLATFORM_MAEMO5)
 231         /* N900 with shared up/down cursor mapping. Seen on the German,
 232            Finnish, Italian, French and Russian version. Probably more. */
 233         if (event->key.keysym.mod & KMOD_MODE)
 234         {
 235             if (ev_key == SDLK_LEFT)
 236                 ev_key = SDLK_UP;
 237             else if (ev_key == SDLK_RIGHT)
 238                 ev_key = SDLK_DOWN;
 239         }
 240 #endif
 241         button_event(ev_key, event->type == SDL_KEYDOWN);
 242         break;
 243 #ifdef HAVE_TOUCHSCREEN
 244     case SDL_MOUSEMOTION:
 245         if (event->motion.state & SDL_BUTTON(1))
 246         {
 247             int x = event->motion.x / display_zoom;
 248             int y = event->motion.y / display_zoom;
 249             touchscreen_event(x, y);
 250         }
 251         break;
 252 #endif
 253
 254     case SDL_MOUSEBUTTONUP:
 255     case SDL_MOUSEBUTTONDOWN:
 256     {
 257         SDL_MouseButtonEvent *mev = &event->button;
 258         mev->x /= display_zoom;
 259         mev->y /= display_zoom;
 260         mouse_event(mev, event->type == SDL_MOUSEBUTTONUP);
 261         break;
 262     }
 263     case SDL_QUIT:
 264         /* Post SYS_POWEROFF event. Will post SDL_USEREVENT in shutdown_hw() if successful. */
 265         queue_broadcast(SYS_POWEROFF, 0);
 266         break;
 267     case SDL_USEREVENT:
 268         return true;
 269         break;
 270     }
 271
 272     return false;
 273 }
 274
 275 void gui_message_loop(void)
 276 {
 277     SDL_Event event;
 278     bool quit;
 279
 280     do {
 281         /* wait for the next event */
 282         while(SDL_WaitEvent(&event) == 0)
 283             printf("SDL_WaitEvent() error\n");
 284
 285         sim_enter_irq_handler();
 286         quit = event_handler(&event);
 287         sim_exit_irq_handler();
 288
 289     } while(!quit);
 290 }
 291
 292 static void button_event(int key, bool pressed)
 293 {
 294     int new_btn = 0;
 295     static bool usb_connected = false;
 296     if (usb_connected && key != USB_KEY)
 297         return;
 298     switch (key)
 299     {
 300     case USB_KEY:
 301         if (!pressed)
 302         {
 303             usb_connected = !usb_connected;
 304             if (usb_connected)
 305                 queue_post(&button_queue, SYS_USB_CONNECTED, 0);
 306             else
 307                 queue_post(&button_queue, SYS_USB_DISCONNECTED, 0);
 308         }
 309         return;
 310
 311 #ifdef HAS_BUTTON_HOLD
 312     case SDLK_h:
 313         if(pressed)
 314         {
 315             hold_button_state = !hold_button_state;
 316             DEBUGF("Hold button is %s\n", hold_button_state?"ON":"OFF");
 317         }
 318         return;
 319 #endif
 320
 321 #ifdef HAS_REMOTE_BUTTON_HOLD
 322     case SDLK_j:
 323         if(pressed)
 324         {
 325             remote_hold_button_state = !remote_hold_button_state;
 326             DEBUGF("Remote hold button is %s\n",
 327                    remote_hold_button_state?"ON":"OFF");
 328         }
 329         return;
 330 #endif
 331
 332 #if defined(IRIVER_H100_SERIES) || defined (IRIVER_H300_SERIES)
 333     case SDLK_t:
 334         if(pressed)
 335             switch(_remote_type)
 336             {
 337                 case REMOTETYPE_UNPLUGGED:
 338                     _remote_type=REMOTETYPE_H100_LCD;
 339                     DEBUGF("Changed remote type to H100\n");
 340                     break;
 341                 case REMOTETYPE_H100_LCD:
 342                     _remote_type=REMOTETYPE_H300_LCD;
 343                     DEBUGF("Changed remote type to H300\n");
 344                     break;
 345                 case REMOTETYPE_H300_LCD:
 346                     _remote_type=REMOTETYPE_H300_NONLCD;
 347                     DEBUGF("Changed remote type to H300 NON-LCD\n");
 348                     break;
 349                 case REMOTETYPE_H300_NONLCD:
 350                     _remote_type=REMOTETYPE_UNPLUGGED;
 351                     DEBUGF("Changed remote type to none\n");
 352                     break;
 353             }
 354         break;
 355 #endif
 356     case SDLK_KP0:
 357     case SDLK_F5:
 358         if(pressed)
 359         {
 360             sim_trigger_screendump();
 361             return;
 362         }
 363         break;
 364 #ifdef HAVE_TOUCHSCREEN
 365     case SDLK_F4:
 366         if(pressed)
 367         {
 368             touchscreen_set_mode(touchscreen_get_mode() == TOUCHSCREEN_POINT ? TOUCHSCREEN_BUTTON : TOUCHSCREEN_POINT);
 369             printf("Touchscreen mode: %s\n", touchscreen_get_mode() == TOUCHSCREEN_POINT ? "TOUCHSCREEN_POINT" : "TOUCHSCREEN_BUTTON");
 370         }
 371 #endif
 372     default:
 373 #ifdef HAVE_TOUCHSCREEN
 374         new_btn = key_to_touch(key, mouse_coords);
 375         if (!new_btn)
 376 #endif
 377             new_btn = key_to_button(key);
 378         break;
 379     }
 380     /* Call to make up for scrollwheel target implementation.  This is
 381      * not handled in the main button.c driver, but on the target
 382      * implementation (look at button-e200.c for example if you are trying to
 383      * figure out why using button_get_data needed a hack before).
 384      */
 385 #if defined(BUTTON_SCROLL_FWD) && defined(BUTTON_SCROLL_BACK)
 386     if((new_btn == BUTTON_SCROLL_FWD || new_btn == BUTTON_SCROLL_BACK) &&
 387         pressed)
 388     {
 389         /* Clear these buttons from the data - adding them to the queue is
 390          *  handled in the scrollwheel drivers for the targets.  They do not
 391          *  store the scroll forward/back buttons in their button data for
 392          *  the button_read call.
 393          */
 394 #ifdef HAVE_BACKLIGHT
 395         backlight_on();
 396 #endif
 397 #ifdef HAVE_BUTTON_LIGHT
 398         buttonlight_on();
 399 #endif
 400         queue_post(&button_queue, new_btn, 1<<24);
 401         new_btn &= ~(BUTTON_SCROLL_FWD | BUTTON_SCROLL_BACK);
 402     }
 403 #endif
 404
 405     if (pressed)
 406         btn |= new_btn;
 407     else
 408         btn &= ~new_btn;
 409 }
 410 #if defined(HAVE_BUTTON_DATA) && defined(HAVE_TOUCHSCREEN)
 411 int button_read_device(int* data)
 412 {
 413     *data = mouse_coords;
 414 #else
 415 int button_read_device(void)
 416 {
 417 #endif
 418 #ifdef HAS_BUTTON_HOLD
 419     int hold_button = button_hold();
 420
 421 #ifdef HAVE_BACKLIGHT
 422     /* light handling */
 423     static int hold_button_old = false;
 424     if (hold_button != hold_button_old)
 425     {
 426         hold_button_old = hold_button;
 427         backlight_hold_changed(hold_button);
 428     }
 429 #endif
 430
 431     if (hold_button)
 432         return BUTTON_NONE;
 433     else
 434 #endif
 435
 436     return btn;
 437 }
 438
 439 void button_init_device(void)
 440 {
 441     SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 442 }