1 /* graphics_sdl.c -- barebones sdl graphics layer
3 copyright (c) 2008 bryan rittmeyer <bryanr@bryanr.org>
9 - proper image transparency (libsdl-image xpm does not work)
14 2008-06-15 SDL_DOUBLEBUF+SDL_Flip for linux fb. fix FT leaks.
15 2008-06-18 defer initial resize_callback
16 2008-06-21 linux touchscreen
17 2008-07-04 custom rastering
36 #include "font/freetype/font_freetype.h"
44 //# define USE_WEBOS_ACCELEROMETER
54 #undef LINUX_TOUCHSCREEN
68 #define OVERLAY_MAX 32
79 #include <SDL/SDL_gfxPrimitives.h>
83 #include <SDL/SDL_ttf.h>
86 #include FT_FREETYPE_H
87 #include <freetype/ftglyph.h>
92 #include <SDL/SDL_image.h>
95 #ifdef LINUX_TOUCHSCREEN
96 /* we use Linux evdev directly for the touchscreen. */
97 #include <sys/types.h>
100 #include <linux/input.h>
106 #include <sys/time.h>
111 /* TODO: union overlay + non-overlay to reduce size */
112 struct graphics_priv;
113 struct graphics_priv {
117 uint32_t video_flags;
124 struct graphics_priv *overlay_parent;
129 struct graphics_priv *overlay_array[OVERLAY_MAX];
131 enum draw_mode_num draw_mode;
133 int resize_callback_initial;
136 struct callback_list *cbl;
138 #ifdef USE_WEBOS_ACCELEROMETER
139 SDL_Joystick *accelerometer;
144 #ifdef LINUX_TOUCHSCREEN
156 struct timeval draw_begin_tv;
157 unsigned long draw_time_peak;
159 struct font_freetype_methods freetype_methods;
166 #define WEBOS_KEY_SHIFT 0x130
167 #define WEBOS_KEY_SYM 0x131
168 #define WEBOS_KEY_ORANGE 0x133
170 #define WEBOS_KEY_MOD_SHIFT 0x1
171 #define WEBOS_KEY_MOD_ORANGE 0x2
172 #define WEBOS_KEY_MOD_SYM 0x4
174 #define WEBOS_KEY_MOD_SHIFT_STICKY 0x11
175 #define WEBOS_KEY_MOD_ORANGE_STICKY 0x22
176 #define WEBOS_KEY_MOD_SYM_STICKY 0x44
178 #ifdef USE_WEBOS_ACCELEROMETER
179 # define WEBOS_ORIENTATION_PORTRAIT 0x0
180 # define WEBOS_ORIENTATION_LANDSCAPE 0x1
183 #define SDL_USEREVENT_CODE_TIMER 0x1
184 #define SDL_USEREVENT_CODE_CALL_CALLBACK 0x2
185 #define SDL_USEREVENT_CODE_IDLE_EVENT 0x4
186 #define SDL_USEREVENT_CODE_WATCH 0x8
187 #ifdef USE_WEBOS_ACCELEROMETER
188 # define SDL_USEREVENT_CODE_ROTATE 0xA
191 struct event_timeout {
207 static struct graphics_priv* the_graphics = NULL;
208 static int quit_event_loop = 0; // quit the main event loop
209 static int the_graphics_count = 0; // count how many graphics objects are created
210 static GPtrArray *idle_tasks = NULL;
211 static pthread_t sdl_watch_thread = 0;
212 static GPtrArray *sdl_watch_list = NULL;
214 static void event_sdl_watch_thread (GPtrArray *);
215 static void event_sdl_watch_startthread(GPtrArray *watch_list);
216 static void event_sdl_watch_stopthread(void);
217 static struct event_watch *event_sdl_add_watch(void *, enum event_watch_cond, struct callback *);
218 static void event_sdl_remove_watch(struct event_watch *);
219 static struct event_timeout *event_sdl_add_timeout(int, int, struct callback *);
220 static void event_sdl_remove_timeout(struct event_timeout *);
221 static struct event_idle *event_sdl_add_idle(int, struct callback *);
222 static void event_sdl_remove_idle(struct event_idle *);
223 static void event_sdl_call_callback(struct callback_list *);
225 static unsigned char * ft_buffer = NULL;
226 static unsigned int ft_buffer_size = 0;
228 struct graphics_font_priv {
236 struct graphics_gc_priv {
237 struct graphics_priv *gr;
249 struct graphics_image_priv {
254 #ifdef LINUX_TOUCHSCREEN
255 static int input_ts_exit(struct graphics_priv *gr);
259 graphics_destroy(struct graphics_priv *gr)
261 dbg(0, "graphics_destroy %p %u\n", gr, gr->overlay_mode);
267 SDL_FreeSurface(gr->screen);
268 gr->overlay_parent->overlay_array[gr->overlay_idx] = NULL;
275 FT_Done_FreeType(gr->library);
277 #ifdef LINUX_TOUCHSCREEN
280 #ifdef USE_WEBOS_ACCELEROMETER
281 SDL_JoystickClose(gr->accelerometer);
295 gc_destroy(struct graphics_gc_priv *gc)
301 gc_set_linewidth(struct graphics_gc_priv *gc, int w)
304 printf("gc_set_linewidth %p %d\n", gc, w);
310 gc_set_dashes(struct graphics_gc_priv *gc, int w, int offset, unsigned char *dash_list, int n)
316 gc_set_foreground(struct graphics_gc_priv *gc, struct color *c)
319 printf("gc_set_foreground: %p %d %d %d %d\n", gc, c->a, c->r, c->g, c->b);
321 gc->fore_r = c->r/256;
322 gc->fore_g = c->g/256;
323 gc->fore_b = c->b/256;
324 gc->fore_a = c->a/256;
328 gc_set_background(struct graphics_gc_priv *gc, struct color *c)
331 printf("gc_set_background: %p %d %d %d %d\n", gc, c->a, c->r, c->g, c->b);
333 gc->back_r = c->r/256;
334 gc->back_g = c->g/256;
335 gc->back_b = c->b/256;
336 gc->back_a = c->a/256;
339 static struct graphics_gc_methods gc_methods = {
347 static struct graphics_gc_priv *gc_new(struct graphics_priv *gr, struct graphics_gc_methods *meth)
349 struct graphics_gc_priv *gc=g_new0(struct graphics_gc_priv, 1);
352 gc->linewidth=1; /* upper layer should override anyway? */
357 #if 0 /* unused by core? */
358 static void image_destroy(struct graphics_image_priv *gi)
361 SDL_FreeSurface(gi->img);
366 static struct graphics_image_methods gi_methods =
372 static struct graphics_image_priv *
373 image_new(struct graphics_priv *gr, struct graphics_image_methods *meth, char *name, int *w, int *h,
374 struct point *hot, int rotation)
377 struct graphics_image_priv *gi;
379 /* FIXME: meth is not used yet.. so gi leaks. at least xpm is small */
381 gi = g_new0(struct graphics_image_priv, 1);
382 gi->img = IMG_Load(name);
385 /* TBD: improves blit performance? */
386 #if !SDL_VERSION_ATLEAST(1,3,0)
387 SDL_SetColorKey(gi->img, SDL_RLEACCEL, gi->img->format->colorkey);
396 /* TODO: debug "colour parse errors" on xpm */
397 printf("graphics_sdl: image_new on '%s' failed: %s\n", name, IMG_GetError());
409 image_free(struct graphics_priv *gr, struct graphics_image_priv * gi)
412 SDL_FreeSurface(gi->img);
418 get_text_bbox(struct graphics_priv *gr, struct graphics_font_priv *font, char *text, int dx, int dy, struct point *ret, int estimate)
423 FT_GlyphSlot slot = font->face->glyph; // a small shortcut
435 bbox.xMin = bbox.yMin = 32000;
436 bbox.xMax = bbox.yMax = -32000;
437 FT_Set_Transform( font->face, &matrix, &pen );
438 len=g_utf8_strlen(text, -1);
439 for ( n = 0; n < len; n++ ) {
441 glyph_index = FT_Get_Char_Index(font->face, g_utf8_get_char(p));
442 p=g_utf8_next_char(p);
443 FT_Load_Glyph(font->face, glyph_index, FT_LOAD_DEFAULT );
444 FT_Get_Glyph(font->face->glyph, &glyph);
445 FT_Glyph_Get_CBox(glyph, ft_glyph_bbox_pixels, &glyph_bbox );
446 FT_Done_Glyph(glyph);
447 glyph_bbox.xMin += x >> 6;
448 glyph_bbox.xMax += x >> 6;
449 glyph_bbox.yMin += y >> 6;
450 glyph_bbox.yMax += y >> 6;
451 x += slot->advance.x;
452 y -= slot->advance.y;
453 if ( glyph_bbox.xMin < bbox.xMin )
454 bbox.xMin = glyph_bbox.xMin;
455 if ( glyph_bbox.yMin < bbox.yMin )
456 bbox.yMin = glyph_bbox.yMin;
457 if ( glyph_bbox.xMax > bbox.xMax )
458 bbox.xMax = glyph_bbox.xMax;
459 if ( glyph_bbox.yMax > bbox.yMax )
460 bbox.yMax = glyph_bbox.yMax;
462 if ( bbox.xMin > bbox.xMax ) {
479 draw_polygon(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count)
481 if ((gr->overlay_parent && !gr->overlay_parent->overlay_enable) || (gr->overlay_parent && gr->overlay_parent->overlay_enable && !gr->overlay_enable) )
490 vx = alloca(count * sizeof(Sint16));
491 vy = alloca(count * sizeof(Sint16));
493 for(i = 0; i < count; i++)
513 printf("draw_polygon: %p %i %d,%d\n", gc, i, p[i].x, p[i].y);
520 raster_aapolygon(gr->screen, count, vx, vy,
521 SDL_MapRGBA(gr->screen->format,
529 raster_polygon(gr->screen, count, vx, vy,
530 SDL_MapRGBA(gr->screen->format,
539 sge_FilledPolygonAlpha(gr->screen, count, vx, vy,
540 SDL_MapRGB(gr->screen->format,
547 sge_AAFilledPolygon(gr->screen, count, vx, vy,
548 SDL_MapRGB(gr->screen->format,
553 sge_FilledPolygon(gr->screen, count, vx, vy,
554 SDL_MapRGB(gr->screen->format,
561 filledPolygonRGBA(gr->screen, vx, vy, count,
562 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
570 draw_rectangle(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int w, int h)
572 if ((gr->overlay_parent && !gr->overlay_parent->overlay_enable) || (gr->overlay_parent && gr->overlay_parent->overlay_enable && !gr->overlay_enable) )
578 printf("draw_rectangle: %d %d %d %d r=%d g=%d b=%d a=%d\n", p->x, p->y, w, h,
579 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
581 if(w > gr->screen->w)
585 if(h > gr->screen->h)
591 raster_rect(gr->screen, p->x, p->y, w, h,
592 SDL_MapRGBA(gr->screen->format,
600 sge_FilledRectAlpha(gr->screen, p->x, p->y, p->x + w, p->y + h,
601 SDL_MapRGB(gr->screen->format,
607 /* no AA -- should use poly instead for that */
608 sge_FilledRect(gr->screen, p->x, p->y, p->x + w, p->y + h,
609 SDL_MapRGB(gr->screen->format,
615 boxRGBA(gr->screen, p->x, p->y, p->x + w, p->y + h,
616 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
623 draw_circle(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int r)
625 if ((gr->overlay_parent && !gr->overlay_parent->overlay_enable) || (gr->overlay_parent && gr->overlay_parent->overlay_enable && !gr->overlay_enable) )
631 if(gc->fore_a != 0xff)
633 dbg(0, "%d %d %d %u %u:%u:%u:%u\n", p->x, p->y, r, gc->linewidth,
634 gc->fore_a, gc->fore_r, gc->fore_g, gc->fore_b);
638 /* FIXME: does not quite match gtk */
640 /* hack for osd compass.. why is this needed!? */
649 raster_aacircle(gr->screen, p->x, p->y, r,
650 SDL_MapRGBA(gr->screen->format,
658 raster_circle(gr->screen, p->x, p->y, r,
659 SDL_MapRGBA(gr->screen->format,
668 sge_FilledCircleAlpha(gr->screen, p->x, p->y, r,
669 SDL_MapRGB(gr->screen->format,
670 gc->fore_r, gc->fore_g, gc->fore_b),
674 sge_AAFilledCircle(gr->screen, p->x, p->y, r,
675 SDL_MapRGB(gr->screen->format,
676 gc->fore_r, gc->fore_g, gc->fore_b));
678 sge_FilledCircle(gr->screen, p->x, p->y, r,
679 SDL_MapRGB(gr->screen->format,
680 gc->fore_r, gc->fore_g, gc->fore_b));
685 aacircleRGBA(gr->screen, p->x, p->y, r,
686 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
688 filledCircleRGBA(gr->screen, p->x, p->y, r,
689 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
697 draw_lines(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count)
699 if ((gr->overlay_parent && !gr->overlay_parent->overlay_enable) || (gr->overlay_parent && gr->overlay_parent->overlay_enable && !gr->overlay_enable) )
704 /* you might expect lines to be simpler than the other shapes.
705 but, that would be wrong. 1 line can generate 1 polygon + 2 circles
706 and even worse, we have to calculate their parameters!
707 go dust off your trigonometry hat.
710 int i, l, x_inc, y_inc, lw;
714 for(i = 0; i < count-1; i++)
717 printf("draw_lines: %p %d %d,%d->%d,%d %d\n", gc, i, p[i].x, p[i].y, p[i+1].x, p[i+1].y, gc->linewidth);
719 for(l = 0; l < lw; l++)
723 if(p[i].x != p[i+1].x)
732 if(p[i].y != p[i+1].y)
746 aalineRGBA(gr->screen, p[i].x + x_inc, p[i].y + y_inc, p[i+1].x + x_inc, p[i+1].y + y_inc,
747 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
749 lineRGBA(gr->screen, p[i].x + x_inc, p[i].y + y_inc, p[i+1].x + x_inc, p[i+1].y + y_inc,
750 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
755 /* sort of based on graphics_opengl.c::draw_lines */
756 /* FIXME: should honor ./configure flag for no fp.
757 this could be 100% integer code pretty easily,
758 except that i am lazy
760 struct point vert[4];
761 int lw = gc->linewidth;
765 for(i = 0; i < count-1; i++)
767 float dx=p[i+1].x-p[i].x;
768 float dy=p[i+1].y-p[i].y;
771 float cx=(p[i+1].x+p[i].x)/2;
772 float cy=(p[i+1].y+p[i].y)/2;
777 int x_lw_adj, y_lw_adj;
784 raster_aaline(gr->screen, p[i].x, p[i].y, p[i+1].x, p[i+1].y,
785 SDL_MapRGBA(gr->screen->format,
793 raster_line(gr->screen, p[i].x, p[i].y, p[i+1].x, p[i+1].y,
794 SDL_MapRGBA(gr->screen->format,
803 sge_LineAlpha(gr->screen, p[i].x, p[i].y, p[i+1].x, p[i+1].y,
804 SDL_MapRGB(gr->screen->format,
805 gc->fore_r, gc->fore_g, gc->fore_b),
809 sge_AALine(gr->screen, p[i].x, p[i].y, p[i+1].x, p[i+1].y,
810 SDL_MapRGB(gr->screen->format,
811 gc->fore_r, gc->fore_g, gc->fore_b));
813 sge_Line(gr->screen, p[i].x, p[i].y, p[i+1].x, p[i+1].y,
814 SDL_MapRGB(gr->screen->format,
815 gc->fore_r, gc->fore_g, gc->fore_b));
820 aalineRGBA(gr->screen, p[i].x, p[i].y, p[i+1].x, p[i+1].y,
821 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
823 lineRGBA(gr->screen, p[i].x, p[i].y, p[i+1].x, p[i+1].y,
824 gc->fore_r, gc->fore_g, gc->fore_b, gc->fore_a);
831 /* there is probably a much simpler way but this works ok */
833 /* FIXME: float + double mixture */
834 /* FIXME: lrint(round())? */
839 y_lw_adj = round((float)lw/2.0);
844 x_lw_adj = round((float)lw/2.0);
849 angle = (M_PI/2.0) - atan(abs(dx)/abs(dy));
850 x_lw_adj = round(sin(angle)*(float)lw/2.0);
851 y_lw_adj = round(cos(angle)*(float)lw/2.0);
852 if((x_lw_adj < 0) || (y_lw_adj < 0))
855 printf(" %d,%d->%d,%d\n", p[i].x, p[i].y, p[i+1].x, p[i+1].y);
856 printf(" lw=%d angle=%f\n", lw, 180.0 * angle / M_PI);
857 printf(" x_lw_adj=%d y_lw_adj=%d\n", x_lw_adj, y_lw_adj);
861 if(p[i+1].x > p[i].x)
863 x_lw_adj = -x_lw_adj;
865 if(p[i+1].y > p[i].y)
867 y_lw_adj = -y_lw_adj;
871 if(((y_lw_adj*y_lw_adj)+(x_lw_adj*x_lw_adj)) != (lw/2)*(lw/2))
874 printf(" %d,%d->%d,%d\n", p[i].x, p[i].y, p[i+1].x, p[i+1].y);
875 printf(" lw=%d angle=%f\n", lw, 180.0 * angle / M_PI);
876 printf(" x_lw_adj=%d y_lw_adj=%d\n", x_lw_adj, y_lw_adj);
880 /* FIXME: draw a circle/square if p[i]==p[i+1]? */
881 /* FIXME: clipping, check for neg values. hoping sdl-gfx does this */
882 vert[0].x = p[i].x + x_lw_adj;
883 vert[0].y = p[i].y - y_lw_adj;
884 vert[1].x = p[i].x - x_lw_adj;
885 vert[1].y = p[i].y + y_lw_adj;
886 vert[2].x = p[i+1].x - x_lw_adj;
887 vert[2].y = p[i+1].y + y_lw_adj;
888 vert[3].x = p[i+1].x + x_lw_adj;
889 vert[3].y = p[i+1].y - y_lw_adj;
891 draw_polygon(gr, gc, vert, 4);
893 /* draw small circles at the ends. this looks better than nothing, and slightly
894 * better than the triangle used by graphics_opengl, but is more expensive.
895 * should have an ifdef/xml attr?
898 /* FIXME: should just draw a half circle */
900 /* now some circular endcaps, if the width is over 2 */
905 draw_circle(gr, gc, &p[i], lw/2);
907 /* we truncate on the divide on purpose, so we don't go outside the line */
908 draw_circle(gr, gc, &p[i+1], lw/2);
917 set_pixel(SDL_Surface *surface, int x, int y, Uint8 r2, Uint8 g2, Uint8 b2, Uint8 a2)
919 if(x<0 || y<0 || x>=surface->w || y>=surface->h) {
923 void *target_pixel = ((Uint8*)surface->pixels + y * surface->pitch + x * surface->format->BytesPerPixel);
927 switch(surface->format->BytesPerPixel) {
930 SDL_GetRGBA(*(Uint16 *)target_pixel, surface->format, &r1, &g1, &b1, &a1);
931 *(Uint16 *)target_pixel = SDL_MapRGBA(surface->format,
932 (r1*(0xff-a2)/0xff) + (r2*a2/0xff),
933 (g1*(0xff-a2)/0xff) + (g2*a2/0xff),
934 (b1*(0xff-a2)/0xff) + (b2*a2/0xff),
935 a2 + a1*(0xff-a2)/0xff );
940 SDL_GetRGBA(*(Uint32 *)target_pixel, surface->format, &r1, &g1, &b1, &a1);
941 *(Uint32 *)target_pixel = SDL_MapRGBA(surface->format,
942 (r1*(0xff-a2)/0xff) + (r2*a2/0xff),
943 (g1*(0xff-a2)/0xff) + (g2*a2/0xff),
944 (b1*(0xff-a2)/0xff) + (b2*a2/0xff),
945 a2 + a1*(0xff-a2)/0xff );
953 resize_ft_buffer (unsigned int new_size)
955 if (new_size > ft_buffer_size) {
957 ft_buffer = g_malloc (new_size);
958 dbg(1, "old_size(%i) new_size(%i) ft_buffer(%i)\n", ft_buffer_size, new_size, ft_buffer);
959 ft_buffer_size = new_size;
964 display_text_draw(struct font_freetype_text *text,
965 struct graphics_priv *gr, struct graphics_gc_priv *fg,
966 struct graphics_gc_priv *bg, int color, struct point *p)
969 struct font_freetype_glyph *g, **gp;
970 struct color transparent = { 0x0000, 0x0000, 0x0000, 0x0000 };
972 { fg->fore_r * 255, fg->fore_g * 255, fg->fore_b * 255, fg->fore_a * 255
974 struct color white = { 0xffff, 0xffff, 0xffff, 0xffff };
977 if (COLOR_IS_WHITE(black) && COLOR_IS_BLACK(white)) {
987 } else if (COLOR_IS_BLACK(black) && COLOR_IS_WHITE(white)) {
998 white.r = bg->fore_r * 255;
999 white.g = bg->fore_g * 255;
1000 white.b = bg->fore_b * 255;
1001 white.a = bg->fore_a * 255;
1012 i = text->glyph_count;
1017 if (g->w && g->h && bg) {
1018 stride = (g->w + 2) * 4;
1020 resize_ft_buffer(stride * (g->h + 2));
1021 gr->freetype_methods.get_shadow(g, ft_buffer, 32, stride, &white, &transparent);
1023 SDL_Surface *glyph_surface =
1024 SDL_CreateRGBSurfaceFrom(ft_buffer, g->w + 2, g->h + 2,
1027 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000);
1028 if (glyph_surface) {
1030 r.x = (x + g->x) >> 6;
1031 r.y = (y + g->y) >> 6;
1035 SDL_BlitSurface(glyph_surface, NULL, gr->screen, &r);
1036 SDL_FreeSurface(glyph_surface);
1045 i = text->glyph_count;
1054 resize_ft_buffer(stride * g->h * 4);
1055 gr->freetype_methods.get_glyph(g, ft_buffer, 32,
1057 &white, &transparent);
1058 SDL_Surface *glyph_surface =
1059 SDL_CreateRGBSurfaceFrom(ft_buffer, g->w, g->h, 32,
1061 0x000000ff,0x0000ff00, 0x00ff0000,0xff000000);
1062 if (glyph_surface) {
1064 r.x = (x + g->x) >> 6;
1065 r.y = (y + g->y) >> 6;
1069 SDL_BlitSurface(glyph_surface, NULL, gr->screen,&r);
1070 SDL_FreeSurface(glyph_surface);
1074 resize_ft_buffer(stride * g->h);
1075 gr->freetype_methods.get_glyph(g, ft_buffer, 32, stride,
1079 unsigned char* pGlyph = ft_buffer;
1080 for (jj = 0; jj < g->h; ++jj) {
1081 for (ii = 0; ii < g->w; ++ii) {
1082 if(*(pGlyph+3) > 0) {
1083 set_pixel(gr->screen,
1084 ii+((x + g->x) >> 6),
1085 jj+((y + g->y) >> 6),
1086 *(pGlyph+2), // Pixels are in BGRA format
1103 draw_text(struct graphics_priv *gr, struct graphics_gc_priv *fg,
1104 struct graphics_gc_priv *bg, struct graphics_font_priv *font,
1105 char *text, struct point *p, int dx, int dy)
1107 if ((gr->overlay_parent && !gr->overlay_parent->overlay_enable)
1108 || (gr->overlay_parent && gr->overlay_parent->overlay_enable
1109 && !gr->overlay_enable)) {
1113 struct font_freetype_text *t;
1117 dbg(0, "no font, returning\n");
1120 t = gr->freetype_methods.text_new(text,
1121 (struct font_freetype_font *) font,
1128 display_text_draw(t, gr, fg, bg, color, &p_eff);
1129 gr->freetype_methods.text_destroy(t);
1133 draw_image(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img)
1135 if ((gr->overlay_parent && !gr->overlay_parent->overlay_enable) || (gr->overlay_parent && gr->overlay_parent->overlay_enable && !gr->overlay_enable) )
1148 SDL_BlitSurface(img->img, NULL, gr->screen, &r);
1153 draw_image_warp(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, int count, char *data)
1159 draw_restore(struct graphics_priv *gr, struct point *p, int w, int h)
1162 printf("draw_restore\n");
1167 background_gc(struct graphics_priv *gr, struct graphics_gc_priv *gc)
1170 printf("background_gc\n");
1176 draw_mode(struct graphics_priv *gr, enum draw_mode_num mode)
1180 unsigned long elapsed;
1182 struct graphics_priv *ov;
1186 if(gr->overlay_mode)
1188 /* will be drawn below */
1193 printf("draw_mode: %d\n", mode);
1197 if(mode == draw_mode_begin)
1199 gettimeofday(&gr->draw_begin_tv, NULL);
1203 if(mode == draw_mode_end)
1205 if((gr->draw_mode == draw_mode_begin) && gr->overlay_enable)
1207 for(i = 0; i < OVERLAY_MAX; i++)
1209 ov = gr->overlay_array[i];
1210 if(ov && ov->overlay_enable)
1212 rect.x = ov->overlay_x;
1213 if(rect.x<0) rect.x += gr->screen->w;
1214 rect.y = ov->overlay_y;
1215 if(rect.y<0) rect.y += gr->screen->h;
1216 rect.w = ov->screen->w;
1217 rect.h = ov->screen->h;
1218 SDL_BlitSurface(ov->screen, NULL,
1224 SDL_Flip(gr->screen);
1227 gettimeofday(&now, NULL);
1228 elapsed = 1000000 * (now.tv_sec - gr->draw_begin_tv.tv_sec);
1229 elapsed += (now.tv_usec - gr->draw_begin_tv.tv_usec);
1230 if(elapsed >= gr->draw_time_peak)
1232 dbg(0, "draw elapsed %u usec\n", elapsed);
1233 gr->draw_time_peak = elapsed;
1238 gr->draw_mode = mode;
1242 static void overlay_disable(struct graphics_priv *gr, int disable)
1244 gr->overlay_enable = !disable;
1245 struct graphics_priv *curr_gr = gr;
1246 if(gr->overlay_parent) {
1247 curr_gr = gr->overlay_parent;
1249 draw_mode(curr_gr,draw_mode_end);
1252 static struct graphics_priv *
1253 overlay_new(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int alpha, int wraparound);
1255 static int window_fullscreen(struct window *win, int on)
1257 struct graphics_priv *gr=(struct graphics_priv *)win->priv;
1259 /* Update video flags */
1261 gr->video_flags |= SDL_FULLSCREEN;
1263 gr->video_flags &= ~SDL_FULLSCREEN;
1266 /* Update video mode */
1267 gr->screen = SDL_SetVideoMode(gr->screen->w, gr->screen->h, gr->video_bpp, gr->video_flags);
1268 if(gr->screen == NULL) {
1269 navit_destroy(gr->nav);
1272 callback_list_call_attr_2(gr->cbl, attr_resize, (void *)gr->screen->w, (void *)gr->screen->h);
1278 get_data(struct graphics_priv *this, char const *type)
1280 if(strcmp(type, "window") == 0) {
1282 win=g_new(struct window, 1);
1284 win->fullscreen=window_fullscreen;
1285 win->disable_suspend=NULL;
1292 static void draw_drag(struct graphics_priv *gr, struct point *p)
1295 gr->overlay_x = p->x;
1296 gr->overlay_y = p->y;
1300 static struct graphics_methods graphics_methods = {
1306 NULL /*draw_circle*/,
1323 static struct graphics_priv *
1324 overlay_new(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h,int alpha, int wraparound)
1326 struct graphics_priv *ov;
1327 Uint32 rmask, gmask, bmask, amask;
1330 for(i = 0; i < OVERLAY_MAX; i++)
1332 if(gr->overlay_array[i] == NULL)
1337 if(i == OVERLAY_MAX)
1339 dbg(0, "too many overlays! increase OVERLAY_MAX\n");
1343 dbg(1, "overlay_new %d %d %d %u %u (%x, %x, %x ,%x, %d)\n", i,
1348 gr->screen->format->Rmask,
1349 gr->screen->format->Gmask,
1350 gr->screen->format->Bmask,
1351 gr->screen->format->Amask,
1352 gr->screen->format->BitsPerPixel
1355 ov = g_new0(struct graphics_priv, 1);
1357 switch(gr->screen->format->BitsPerPixel) {
1377 rmask = gr->screen->format->Rmask;
1378 gmask = gr->screen->format->Gmask;
1379 bmask = gr->screen->format->Bmask;
1380 amask = gr->screen->format->Amask;
1383 ov->screen = SDL_CreateRGBSurface(SDL_SWSURFACE,
1385 gr->screen->format->BitsPerPixel,
1386 rmask, gmask, bmask, amask);
1388 ov->overlay_mode = 1;
1389 ov->overlay_enable = 1;
1390 ov->overlay_x = p->x;
1391 ov->overlay_y = p->y;
1392 ov->overlay_parent = gr;
1393 ov->overlay_idx = i;
1394 gr->overlay_array[i] = ov;
1397 struct font_priv *(*font_freetype_new) (void *meth);
1398 font_freetype_new = plugin_get_font_type ("freetype");
1400 if (!font_freetype_new)
1406 font_freetype_new (&ov->freetype_methods);
1408 *meth=graphics_methods;
1411 (struct graphics_font_priv *
1412 (*)(struct graphics_priv *, struct graphics_font_methods *, char *, int,
1413 int)) ov->freetype_methods.font_new;
1414 meth->get_text_bbox = (void *)ov->freetype_methods.get_text_bbox;
1423 #ifdef LINUX_TOUCHSCREEN
1425 #define EVFN "/dev/input/eventX"
1427 static int input_ts_init(struct graphics_priv *gr)
1445 fn[sizeof(EVFN)-2] = '0' + n;
1447 fd = open(fn, O_RDONLY);
1451 ret = ioctl(fd, EVIOCGNAME(64), (void *)name);
1454 printf("input_ts: %s\n", name);
1458 ret = ioctl(fd, EVIOCGID, (void *)&ii);
1462 printf("bustype %04x vendor %04x product %04x version %04x\n",
1469 if((ii.bustype == BUS_USB) &&
1470 (ii.vendor == 0x0eef) &&
1471 (ii.product == 0x0001))
1473 ret = fcntl(fd, F_SETFL, O_NONBLOCK);
1492 /* FIXME: should check all 32 minors */
1505 /* returns 0-based display coordinate for the given ts coord */
1506 static void input_ts_map(int *disp_x, int *disp_y,
1507 uint32_t ts_x, uint32_t ts_y)
1509 /* Dynamix 7" (eGalax TS)
1512 bot left = 1986,1897
1515 calibrate your TS using input_event_dump
1516 and touching all four corners. use the most extreme values.
1519 #define INPUT_TS_LEFT 1978
1520 #define INPUT_TS_RIGHT 48
1521 #define INPUT_TS_TOP 115
1522 #define INPUT_TS_BOT 1870
1525 if(ts_x > INPUT_TS_LEFT)
1527 ts_x = INPUT_TS_LEFT;
1529 if(ts_x < INPUT_TS_RIGHT)
1531 ts_x = INPUT_TS_RIGHT;
1534 ts_x = ts_x - INPUT_TS_RIGHT;
1536 *disp_x = ((DISPLAY_W-1) * ts_x) / (INPUT_TS_LEFT - INPUT_TS_RIGHT);
1537 *disp_x = (DISPLAY_W-1) - *disp_x;
1540 if(ts_y > INPUT_TS_BOT)
1542 ts_y = INPUT_TS_BOT;
1544 if(ts_y < INPUT_TS_TOP)
1546 ts_y = INPUT_TS_TOP;
1549 ts_y = ts_y - INPUT_TS_TOP;
1551 *disp_y = ((DISPLAY_H-1) * ts_y) / (INPUT_TS_BOT - INPUT_TS_TOP);
1552 /* *disp_y = (DISPLAY_H-1) - *disp_y; */
1556 static void input_event_dump(struct input_event *ie)
1558 printf("input_event:\n"
1564 (unsigned int)ie->time.tv_sec,
1572 static int input_ts_exit(struct graphics_priv *gr)
1581 #ifdef USE_WEBOS_ACCELEROMETER
1583 sdl_accelerometer_handler(void* param)
1585 struct graphics_priv *gr = (struct graphics_priv *)param;
1586 int xAxis = SDL_JoystickGetAxis(gr->accelerometer, 0);
1587 int yAxis = SDL_JoystickGetAxis(gr->accelerometer, 1);
1588 int zAxis = SDL_JoystickGetAxis(gr->accelerometer, 2);
1589 char new_orientation;
1591 if (xAxis < -15000 && yAxis > -7000 && yAxis < 7000)
1592 new_orientation = WEBOS_ORIENTATION_LANDSCAPE;
1593 else if (yAxis > 15000 && xAxis > -7000 && xAxis < 7000)
1594 new_orientation = WEBOS_ORIENTATION_PORTRAIT;
1598 if (new_orientation != gr->orientation)
1600 dbg(1,"x(%d) y(%d) z(%d) o(%d)\n",xAxis, yAxis, zAxis, new_orientation);
1601 gr->orientation = new_orientation;
1604 SDL_UserEvent userevent;
1606 userevent.type = SDL_USEREVENT;
1607 userevent.code = SDL_USEREVENT_CODE_ROTATE;
1608 userevent.data1 = NULL;
1609 userevent.data2 = NULL;
1611 event.type = SDL_USEREVENT;
1612 event.user = userevent;
1614 SDL_PushEvent (&event);
1619 static gboolean graphics_sdl_idle(void *data)
1621 struct graphics_priv *gr = (struct graphics_priv *)data;
1624 #ifdef LINUX_TOUCHSCREEN
1625 struct input_event ie;
1634 if(the_graphics!=NULL) {
1638 dbg(0,"graphics_idle: graphics not set!\n");
1644 /* generate the initial resize callback, so the gui knows W/H
1646 its unsafe to do this directly inside register_resize_callback;
1647 graphics_gtk does it during Configure, but SDL does not have
1648 an equivalent event, so we use our own flag
1650 if(gr->resize_callback_initial != 0)
1652 callback_list_call_attr_2(gr->cbl, attr_resize, (void *)gr->screen->w, (void *)gr->screen->h);
1653 gr->resize_callback_initial = 0;
1656 #ifdef LINUX_TOUCHSCREEN
1659 ss = read(gr->ts_fd, (void *)&ie, sizeof(ie));
1660 if(ss == sizeof(ie))
1662 /* we (usually) get three events on a touchscreen hit:
1664 code =330 [BTN_TOUCH]
1677 once hit, if the contact point changes, we'll get more
1678 EV_ABS (for 1 or both axes), followed by an EV_SYN.
1683 code =330 [BTN_TOUCH]
1692 if(ie.code == BTN_TOUCH)
1694 gr->ts_hit = ie.value;
1704 gr->ts_x = ie.value;
1706 else if(ie.code == 1)
1708 gr->ts_y = ie.value;
1716 input_ts_map(&p.x, &p.y, gr->ts_x, gr->ts_y);
1718 /* always send MOUSE_MOTION (first) */
1719 callback_list_call_attr_1(gr->cbl, attr_motion, (void *)&p);
1722 callback_list_call_attr_3(gr->cbl, attr_button, (void *)1, (void *)SDL_BUTTON_LEFT, (void *)&p);
1724 else if(gr->ts_hit == 0)
1726 callback_list_call_attr_3(gr->cbl, attr_button, (void *)0, (void *)SDL_BUTTON_LEFT, (void *)&p);
1744 #ifdef USE_WEBOS_ACCELEROMETER
1745 struct callback* accel_cb = callback_new_1(callback_cast(sdl_accelerometer_handler), gr);
1746 struct event_timeout* accel_to = event_add_timeout(200, 1, accel_cb);
1749 unsigned int idle_tasks_idx=0;
1750 unsigned int idle_tasks_cur_priority=0;
1751 struct idle_task *task;
1753 while(!quit_event_loop)
1760 if(idle_tasks->len > 0)
1762 while (!(ret = SDL_PollEvent(&ev)) && idle_tasks->len > 0)
1764 if (idle_tasks_idx >= idle_tasks->len)
1767 dbg(3,"idle_tasks_idx(%d)\n",idle_tasks_idx);
1768 task = (struct idle_task *)g_ptr_array_index(idle_tasks,idle_tasks_idx);
1770 if (idle_tasks_idx == 0) // only execute tasks with lowest priority value
1771 idle_tasks_cur_priority = task->priority;
1772 if (task->priority > idle_tasks_cur_priority)
1776 callback_call_0(task->cb);
1781 if (!ret) // If we get here there are no idle_tasks and we have no events pending
1782 ret = SDL_WaitEvent(&ev);
1784 ret = SDL_PollEvent(&ev);
1792 dbg(1,"SDL_Event %d\n", ev.type);
1796 case SDL_MOUSEMOTION:
1800 callback_list_call_attr_1(gr->cbl, attr_motion, (void *)&p);
1807 switch(ev.key.keysym.sym)
1811 keybuf[0] = NAVIT_KEY_LEFT;
1816 keybuf[0] = NAVIT_KEY_RIGHT;
1819 case SDLK_BACKSPACE:
1821 keybuf[0] = NAVIT_KEY_BACKSPACE;
1826 keybuf[0] = NAVIT_KEY_RETURN;
1831 keybuf[0] = NAVIT_KEY_DOWN;
1836 keybuf[0] = NAVIT_KEY_ZOOM_OUT;
1841 keybuf[0] = NAVIT_KEY_UP;
1846 keybuf[0] = NAVIT_KEY_ZOOM_IN;
1850 case WEBOS_KEY_SHIFT:
1852 if ((key_mod & WEBOS_KEY_MOD_SHIFT_STICKY) == WEBOS_KEY_MOD_SHIFT_STICKY)
1853 key_mod &= ~(WEBOS_KEY_MOD_SHIFT_STICKY);
1854 else if ((key_mod & WEBOS_KEY_MOD_SHIFT) == WEBOS_KEY_MOD_SHIFT)
1855 key_mod |= WEBOS_KEY_MOD_SHIFT_STICKY;
1857 key_mod |= WEBOS_KEY_MOD_SHIFT;
1860 case WEBOS_KEY_ORANGE:
1862 if ((key_mod & WEBOS_KEY_MOD_ORANGE_STICKY) == WEBOS_KEY_MOD_ORANGE_STICKY)
1863 key_mod &= ~(WEBOS_KEY_MOD_ORANGE_STICKY);
1864 else if ((key_mod & WEBOS_KEY_MOD_ORANGE) == WEBOS_KEY_MOD_ORANGE)
1865 key_mod |= WEBOS_KEY_MOD_ORANGE_STICKY;
1867 key_mod |= WEBOS_KEY_MOD_ORANGE;
1872 /* Toggle the on-screen keyboard */
1873 //callback_list_call_attr_1(gr->cbl, attr_keyboard_toggle); // Not implemented yet
1876 case PDLK_GESTURE_BACK:
1878 keybuf[0] = NAVIT_KEY_BACK;
1881 case PDLK_GESTURE_FORWARD:
1882 case PDLK_GESTURE_AREA:
1890 if (ev.key.keysym.unicode < 0x80 && ev.key.keysym.unicode > 0) {
1891 keybuf[0] = (char)ev.key.keysym.unicode;
1892 if ((key_mod & WEBOS_KEY_MOD_ORANGE) == WEBOS_KEY_MOD_ORANGE) {
1894 case 'e': keybuf[0] = '1'; break;
1895 case 'r': keybuf[0] = '2'; break;
1896 case 't': keybuf[0] = '3'; break;
1897 case 'd': keybuf[0] = '4'; break;
1898 case 'f': keybuf[0] = '5'; break;
1899 case 'g': keybuf[0] = '6'; break;
1900 case 'x': keybuf[0] = '7'; break;
1901 case 'c': keybuf[0] = '8'; break;
1902 case 'v': keybuf[0] = '9'; break;
1903 case '@': keybuf[0] = '0'; break;
1904 case ',': keybuf[0] = '-'; break;
1905 case 'u': strncpy(keybuf, "ü", sizeof(keybuf)); break;
1906 case 'a': strncpy(keybuf, "ä", sizeof(keybuf)); break;
1907 case 'o': strncpy(keybuf, "ö", sizeof(keybuf)); break;
1908 case 's': strncpy(keybuf, "ß", sizeof(keybuf)); break;
1911 /*if ((key_mod & WEBOS_KEY_MOD_SHIFT) == WEBOS_KEY_MOD_SHIFT)
1913 if ((key_mod & WEBOS_KEY_MOD_SHIFT_STICKY) != WEBOS_KEY_MOD_SHIFT_STICKY)
1914 key_mod &= ~(WEBOS_KEY_MOD_SHIFT_STICKY);
1915 if ((key_mod & WEBOS_KEY_MOD_ORANGE_STICKY) != WEBOS_KEY_MOD_ORANGE_STICKY)
1916 key_mod &= ~(WEBOS_KEY_MOD_ORANGE_STICKY);
1919 dbg(0,"Unknown key sym: %x\n", ev.key.keysym.sym);
1922 /* return unicode chars when they can be converted to ascii */
1923 keybuf[0] = ev.key.keysym.unicode<=127 ? ev.key.keysym.unicode : 0;
1929 dbg(2,"key mod: 0x%x\n", key_mod);
1932 dbg(2,"key: %s 0x%x\n", keybuf, keybuf);
1933 callback_list_call_attr_1(gr->cbl, attr_keypress, (void *)keybuf);
1943 case SDL_MOUSEBUTTONDOWN:
1946 printf("SDL_MOUSEBUTTONDOWN %d %d %d %d %d\n",
1956 callback_list_call_attr_3(gr->cbl, attr_button, (void *)1, (void *)(int)ev.button.button, (void *)&p);
1960 case SDL_MOUSEBUTTONUP:
1963 printf("SDL_MOUSEBUTTONUP %d %d %d %d %d\n",
1973 callback_list_call_attr_3(gr->cbl, attr_button, (void *)0, (void *)(int)ev.button.button, (void *)&p);
1980 quit_event_loop = 1;
1981 navit_destroy(gr->nav);
1986 case SDL_VIDEORESIZE:
1989 gr->screen = SDL_SetVideoMode(ev.resize.w, ev.resize.h, gr->video_bpp, gr->video_flags);
1990 if(gr->screen == NULL)
1992 navit_destroy(gr->nav);
1996 callback_list_call_attr_2(gr->cbl, attr_resize, (void *)gr->screen->w, (void *)gr->screen->h);
2005 SDL_UserEvent userevent = ev.user;
2006 dbg(9,"received SDL_USEREVENT type(%x) code(%x)\n",userevent.type,userevent.code);
2007 if (userevent.type != SDL_USEREVENT)
2010 if (userevent.code == PDL_GPS_UPDATE)
2012 struct attr vehicle_attr;
2014 navit_get_attr(gr->nav, attr_vehicle, &vehicle_attr, NULL);
2015 v = vehicle_attr.u.vehicle;
2018 attr.type = attr_pdl_gps_update;
2019 attr.u.data = userevent.data1;
2020 vehicle_set_attr(v, &attr);
2023 else if(userevent.code == SDL_USEREVENT_CODE_TIMER)
2025 struct callback *cb = (struct callback *)userevent.data1;
2026 dbg(1, "SDL_USEREVENT timer received cb(%p)\n", cb);
2027 callback_call_0(cb);
2029 else if(userevent.code == SDL_USEREVENT_CODE_WATCH)
2031 struct callback *cb = (struct callback *)userevent.data1;
2032 dbg(1, "SDL_USEREVENT watch received cb(%p)\n", cb);
2033 callback_call_0(cb);
2035 else if(userevent.code == SDL_USEREVENT_CODE_CALL_CALLBACK)
2037 struct callback_list *cbl = (struct callback_list *)userevent.data1;
2038 dbg(1, "SDL_USEREVENT call_callback received cbl(%p)\n", cbl);
2039 callback_list_call_0(cbl);
2041 else if(userevent.code == SDL_USEREVENT_CODE_IDLE_EVENT) {
2042 dbg(1, "SDL_USEREVENT idle_event received\n");
2044 #ifdef USE_WEBOS_ACCELEROMETER
2045 else if(userevent.code == SDL_USEREVENT_CODE_ROTATE)
2047 dbg(1, "SDL_USEREVENT rotate received\n");
2048 switch(gr->orientation)
2050 case WEBOS_ORIENTATION_PORTRAIT:
2051 gr->screen = SDL_SetVideoMode(gr->real_w, gr->real_h, gr->video_bpp, gr->video_flags);
2052 PDL_SetOrientation(PDL_ORIENTATION_0);
2054 case WEBOS_ORIENTATION_LANDSCAPE:
2055 gr->screen = SDL_SetVideoMode(gr->real_h, gr->real_w, gr->video_bpp, gr->video_flags);
2056 PDL_SetOrientation(PDL_ORIENTATION_270);
2059 if(gr->screen == NULL)
2061 navit_destroy(gr->nav);
2065 callback_list_call_attr_2(gr->cbl, attr_resize, (void *)gr->screen->w, (void *)gr->screen->h);
2070 dbg(1, "unknown SDL_USEREVENT\n");
2078 printf("SDL_Event %d\n", ev.type);
2086 event_sdl_watch_stopthread();
2089 #ifdef USE_WEBOS_ACCELEROMETER
2090 event_remove_timeout(accel_to);
2091 callback_destroy(accel_cb);
2098 static struct graphics_priv *
2099 graphics_sdl_new(struct navit *nav, struct graphics_methods *meth, struct attr **attrs, struct callback_list *cbl)
2101 struct graphics_priv *this=g_new0(struct graphics_priv, 1);
2104 int w=DISPLAY_W,h=DISPLAY_H;
2106 struct font_priv *(*font_freetype_new) (void *meth);
2107 font_freetype_new = plugin_get_font_type ("freetype");
2109 if (!font_freetype_new)
2114 font_freetype_new (&this->freetype_methods);
2119 dbg(1,"Calling SDL_Init\n");
2121 # ifdef USE_WEBOS_ACCELEROMETER
2122 ret = SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_JOYSTICK);
2124 ret = SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER);
2127 ret = SDL_Init(SDL_INIT_VIDEO);
2131 dbg(0,"SDL_Init failed %d\n", ret);
2137 dbg(1,"Calling PDL_Init(0)\n");
2141 dbg(0,"PDL_Init failed %d\n", ret);
2146 if (! event_request_system("sdl","graphics_sdl_new")) {
2148 if (! event_request_system("glib","graphics_sdl_new")) {
2150 dbg(0,"event_request_system failed");
2155 this->video_bpp = 0;
2156 this->video_flags = SDL_SWSURFACE | SDL_ANYFORMAT | SDL_RESIZABLE;
2158 this->video_bpp = 16;
2159 this->video_flags = SDL_HWSURFACE | SDL_DOUBLEBUF | SDL_RESIZABLE;
2162 if ((attr=attr_search(attrs, NULL, attr_w)))
2164 if ((attr=attr_search(attrs, NULL, attr_h)))
2166 if ((attr=attr_search(attrs, NULL, attr_bpp)))
2167 this->video_bpp=attr->u.num;
2168 if ((attr=attr_search(attrs, NULL, attr_flags))) {
2169 if (attr->u.num & 1)
2170 this->video_flags = SDL_SWSURFACE;
2172 if ((attr=attr_search(attrs, NULL, attr_frame))) {
2174 this->video_flags |= SDL_NOFRAME;
2177 this->screen = SDL_SetVideoMode(w, h, this->video_bpp, this->video_flags);
2179 if(this->screen == NULL)
2181 dbg(0,"SDL_SetVideoMode failed\n");
2190 /* Use screen size instead of requested */
2191 w = this->screen->w;
2192 h = this->screen->h;
2194 dbg(0, "using screen %ix%i@%i\n",
2195 this->screen->w, this->screen->h,
2196 this->screen->format->BytesPerPixel * 8);
2197 #ifdef USE_WEBOS_ACCELEROMETER
2200 this->accelerometer = SDL_JoystickOpen(0);
2203 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
2205 PDL_SetOrientation(PDL_ORIENTATION_0);
2208 SDL_EnableUNICODE(1);
2209 SDL_WM_SetCaption("navit", NULL);
2211 #ifdef LINUX_TOUCHSCREEN
2212 input_ts_init(this);
2213 if(this->ts_fd >= 0)
2215 /* mouse cursor does not always display correctly in Linux FB.
2216 anyway, it is unnecessary w/ a touch screen
2227 *meth=graphics_methods;
2231 (struct graphics_font_priv *
2232 (*)(struct graphics_priv *, struct graphics_font_methods *, char *, int,
2233 int)) this->freetype_methods.font_new;
2234 meth->get_text_bbox = (void*) this->freetype_methods.get_text_bbox;
2239 if(the_graphics!=NULL) {
2240 dbg(0,"graphics_sdl_new: graphics struct already set: %d!\n", the_graphics_count);
2242 the_graphics = this;
2243 the_graphics_count++;
2245 g_timeout_add(G_PRIORITY_DEFAULT+10, graphics_sdl_idle, this);
2248 this->overlay_enable = 1;
2251 if((attr=attr_search(attrs, NULL, attr_antialias)))
2252 this->aa = attr->u.num;
2254 this->resize_callback_initial=1;
2259 /* ---------- SDL Eventhandling ---------- */
2262 sdl_timer_callback(Uint32 interval, void* param)
2264 struct event_timeout *timeout=(struct event_timeout*)param;
2266 dbg(1,"timer(%p) multi(%d) interval(%d) fired\n", param, timeout->multi, interval);
2269 SDL_UserEvent userevent;
2271 userevent.type = SDL_USEREVENT;
2272 userevent.code = SDL_USEREVENT_CODE_TIMER;
2273 userevent.data1 = timeout->cb;
2274 userevent.data2 = NULL;
2276 event.type = SDL_USEREVENT;
2277 event.user = userevent;
2279 SDL_PushEvent (&event);
2281 if (timeout->multi==0) {
2284 return 0; // cancel timer
2286 return interval; // reactivate timer
2292 event_sdl_main_loop_run(void)
2294 PDL_ScreenTimeoutEnable(PDL_FALSE);
2295 graphics_sdl_idle(NULL);
2296 PDL_ScreenTimeoutEnable(PDL_TRUE);
2300 event_sdl_main_loop_quit(void)
2302 quit_event_loop = 1;
2308 event_sdl_watch_thread (GPtrArray *watch_list)
2310 struct pollfd *pfds = g_new0 (struct pollfd, watch_list->len);
2311 struct event_watch *ew;
2315 for (idx = 0; idx < watch_list->len; idx++ ) {
2316 ew = g_ptr_array_index (watch_list, idx);
2317 g_memmove (&pfds[idx], ew->pfd, sizeof(struct pollfd));
2320 while ((ret = ppoll(pfds, watch_list->len, NULL, NULL)) > 0) {
2321 for (idx = 0; idx < watch_list->len; idx++ ) {
2322 if (pfds[idx].revents == pfds[idx].events) { /* The requested event happened, notify mainloop! */
2323 ew = g_ptr_array_index (watch_list, idx);
2324 dbg(1,"watch(%p) event(%d) encountered\n", ew, pfds[idx].revents);
2327 SDL_UserEvent userevent;
2329 userevent.type = SDL_USEREVENT;
2330 userevent.code = SDL_USEREVENT_CODE_WATCH;
2331 userevent.data1 = ew->cb;
2332 userevent.data2 = NULL;
2334 event.type = SDL_USEREVENT;
2335 event.user = userevent;
2337 SDL_PushEvent (&event);
2348 event_sdl_watch_startthread(GPtrArray *watch_list)
2351 if (sdl_watch_thread)
2352 event_sdl_watch_stopthread();
2355 ret = pthread_create (&sdl_watch_thread, NULL, (void *)event_sdl_watch_thread, (void *)watch_list);
2357 dbg_assert (ret == 0);
2361 event_sdl_watch_stopthread()
2364 if (sdl_watch_thread) {
2365 /* Notify the watch thread that the list of FDs will change */
2366 pthread_kill(sdl_watch_thread, SIGUSR1);
2367 pthread_join(sdl_watch_thread, NULL);
2368 sdl_watch_thread = 0;
2372 static struct event_watch *
2373 event_sdl_add_watch(void *fd, enum event_watch_cond cond, struct callback *cb)
2375 dbg(1,"fd(%d) cond(%x) cb(%x)\n", fd, cond, cb);
2377 event_sdl_watch_stopthread();
2379 if (!sdl_watch_list)
2380 sdl_watch_list = g_ptr_array_new();
2382 struct event_watch *new_ew = g_new0 (struct event_watch, 1);
2383 struct pollfd *pfd = g_new0 (struct pollfd, 1);
2387 /* Modify watchlist here */
2389 case event_watch_cond_read:
2390 pfd->events = POLLIN;
2392 case event_watch_cond_write:
2393 pfd->events = POLLOUT;
2395 case event_watch_cond_except:
2396 pfd->events = POLLERR|POLLHUP;
2400 new_ew->pfd = (struct pollfd*) pfd;
2403 g_ptr_array_add (sdl_watch_list, (gpointer)new_ew);
2405 event_sdl_watch_startthread(sdl_watch_list);
2411 event_sdl_remove_watch(struct event_watch *ew)
2413 dbg(1,"enter %p\n",ew);
2415 event_sdl_watch_stopthread();
2417 g_ptr_array_remove (sdl_watch_list, ew);
2421 if (sdl_watch_list->len > 0)
2422 event_sdl_watch_startthread(sdl_watch_list);
2427 static struct event_timeout *
2428 event_sdl_add_timeout(int timeout, int multi, struct callback *cb)
2430 struct event_timeout * ret = g_new0(struct event_timeout, 1);
2433 dbg(1,"timer(%p) multi(%d) interval(%d) cb(%p) added\n",ret, multi, timeout, cb);
2436 ret->id = SDL_AddTimer(timeout, sdl_timer_callback, ret);
2442 event_sdl_remove_timeout(struct event_timeout *to)
2444 dbg(2,"enter %p\n", to);
2447 int ret = to->id ? SDL_RemoveTimer(to->id) : SDL_TRUE;
2448 if (ret == SDL_FALSE) {
2449 dbg(0,"SDL_RemoveTimer (%p) failed\n", to->id);
2453 dbg(1,"timer(%p) removed\n", to);
2460 /* sort ptr_array by priority, increasing order */
2462 sdl_sort_idle_tasks(gconstpointer parama, gconstpointer paramb)
2464 struct idle_task *a = (struct idle_task *)parama;
2465 struct idle_task *b = (struct idle_task *)paramb;
2466 if (a->priority < b->priority)
2468 if (a->priority > b->priority)
2473 static struct event_idle *
2474 event_sdl_add_idle(int priority, struct callback *cb)
2476 dbg(1,"add idle priority(%d) cb(%p)\n", priority, cb);
2478 struct idle_task *task = g_new0(struct idle_task, 1);
2479 task->priority = priority;
2482 g_ptr_array_add(idle_tasks, (gpointer)task);
2484 if (idle_tasks->len < 2)
2487 SDL_UserEvent userevent;
2489 dbg(1,"poking eventloop because of new idle_events\n");
2491 userevent.type = SDL_USEREVENT;
2492 userevent.code = SDL_USEREVENT_CODE_IDLE_EVENT;
2493 userevent.data1 = NULL;
2494 userevent.data2 = NULL;
2496 event.type = SDL_USEREVENT;
2497 event.user = userevent;
2499 SDL_PushEvent (&event);
2501 else // more than one entry => sort the list
2502 g_ptr_array_sort(idle_tasks, sdl_sort_idle_tasks);
2504 return (struct event_idle *)task;
2508 event_sdl_remove_idle(struct event_idle *task)
2510 dbg(1,"remove task(%p)\n", task);
2511 g_ptr_array_remove(idle_tasks, (gpointer)task);
2517 event_sdl_call_callback(struct callback_list *cbl)
2519 dbg(1,"call_callback cbl(%p)\n",cbl);
2521 SDL_UserEvent userevent;
2523 userevent.type = SDL_USEREVENT;
2524 userevent.code = SDL_USEREVENT_CODE_CALL_CALLBACK;
2525 userevent.data1 = cbl;
2526 userevent.data2 = NULL;
2528 event.type = SDL_USEREVENT;
2529 event.user = userevent;
2531 SDL_PushEvent (&event);
2534 static struct event_methods event_sdl_methods = {
2535 event_sdl_main_loop_run,
2536 event_sdl_main_loop_quit,
2537 event_sdl_add_watch,
2538 event_sdl_remove_watch,
2539 event_sdl_add_timeout,
2540 event_sdl_remove_timeout,
2542 event_sdl_remove_idle,
2543 event_sdl_call_callback,
2546 static struct event_priv *
2547 event_sdl_new(struct event_methods* methods)
2549 idle_tasks = g_ptr_array_new();
2550 *methods = event_sdl_methods;
2554 /* ---------- SDL Eventhandling ---------- */
2561 plugin_register_event_type("sdl", event_sdl_new);
2563 plugin_register_graphics_type("sdl", graphics_sdl_new);