From 1eb4603b71ae21f45e9449efcd20a5086051489d Mon Sep 17 00:00:00 2001 From: Vincent Sanders Date: Mon, 26 Apr 2010 00:32:55 +0000 Subject: start improvements in surface handling add X surface handler (need to address the speed issues) svn path=/trunk/libnsfb/; revision=10485 --- src/surface/Makefile | 4 + src/surface/able.c | 59 ++++ src/surface/linux.c | 135 +++++++++ src/surface/ram.c | 59 ++++ src/surface/sdl.c | 660 ++++++++++++++++++++++++++++++++++++++++++ src/surface/surface.c | 127 ++++++++ src/surface/vnc.c | 59 ++++ src/surface/x.c | 786 ++++++++++++++++++++++++++++++++++++++++++++++++++ 8 files changed, 1889 insertions(+) create mode 100644 src/surface/Makefile create mode 100644 src/surface/able.c create mode 100644 src/surface/linux.c create mode 100644 src/surface/ram.c create mode 100644 src/surface/sdl.c create mode 100644 src/surface/surface.c create mode 100644 src/surface/vnc.c create mode 100644 src/surface/x.c (limited to 'src/surface') diff --git a/src/surface/Makefile b/src/surface/Makefile new file mode 100644 index 0000000..3abbfb6 --- /dev/null +++ b/src/surface/Makefile @@ -0,0 +1,4 @@ +# Sources +DIR_SOURCES := surface.c sdl.c vnc.c able.c ram.c linux.c x.c + +include build/makefiles/Makefile.subdir diff --git a/src/surface/able.c b/src/surface/able.c new file mode 100644 index 0000000..d7b9226 --- /dev/null +++ b/src/surface/able.c @@ -0,0 +1,59 @@ +/* + * Copyright 2009 Vincent Sanders + * + * This file is part of libnsfb, http://www.netsurf-browser.org/ + * Licenced under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + */ + +#include +#include + +#include "libnsfb.h" +#include "libnsfb_plot.h" +#include "libnsfb_event.h" +#include "nsfb.h" +#include "frontend.h" + +#define UNUSED(x) ((x) = (x)) + +static int able_set_geometry(nsfb_t *nsfb, int width, int height, int bpp) +{ + if (nsfb->frontend_priv != NULL) + return -1; /* if were already initialised fail */ + + nsfb->width = width; + nsfb->height = height; + nsfb->bpp = bpp; + + return 0; +} + +static int able_initialise(nsfb_t *nsfb) +{ + UNUSED(nsfb); + return 0; +} + +static int able_finalise(nsfb_t *nsfb) +{ + UNUSED(nsfb); + return 0; +} + +static bool able_input(nsfb_t *nsfb, nsfb_event_t *event, int timeout) +{ + UNUSED(nsfb); + UNUSED(event); + UNUSED(timeout); + return false; +} + +const nsfb_frontend_rtns_t able_rtns = { + .initialise = able_initialise, + .finalise = able_finalise, + .input = able_input, + .geometry = able_set_geometry, +}; + +NSFB_FRONTEND_DEF(able, NSFB_FRONTEND_ABLE, &able_rtns) diff --git a/src/surface/linux.c b/src/surface/linux.c new file mode 100644 index 0000000..3394f85 --- /dev/null +++ b/src/surface/linux.c @@ -0,0 +1,135 @@ +/* + * Copyright 2009 Vincent Sanders + * + * This file is part of libnsfb, http://www.netsurf-browser.org/ + * Licenced under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + */ + +#include +#include + +#include "libnsfb.h" +#include "libnsfb_event.h" +#include "libnsfb_plot.h" +#include "libnsfb_plot_util.h" + +#include "nsfb.h" +#include "plot.h" +#include "frontend.h" +#include "cursor.h" + + +#define UNUSED(x) ((x) = (x)) + +static int linux_set_geometry(nsfb_t *nsfb, int width, int height, int bpp) +{ + if (nsfb->frontend_priv != NULL) + return -1; /* if we are already initialised fail */ + + nsfb->width = width; + nsfb->height = height; + nsfb->bpp = bpp; + + /* select default sw plotters for bpp */ + select_plotters(nsfb); + + return 0; +} + +static int linux_initialise(nsfb_t *nsfb) +{ + if (nsfb->frontend_priv != NULL) + return -1; + + /* sanity checked depth. */ + if ((nsfb->bpp != 32) && (nsfb->bpp != 16) && (nsfb->bpp != 8)) + return -1; + + + return 0; +} + +static int linux_finalise(nsfb_t *nsfb) +{ + UNUSED(nsfb); + return 0; +} + +static bool linux_input(nsfb_t *nsfb, nsfb_event_t *event, int timeout) +{ + UNUSED(nsfb); + UNUSED(event); + UNUSED(timeout); + return false; +} + +static int linux_claim(nsfb_t *nsfb, nsfb_bbox_t *box) +{ + struct nsfb_cursor_s *cursor = nsfb->cursor; + + if ((cursor != NULL) && + (cursor->plotted == true) && + (nsfb_plot_bbox_intersect(box, &cursor->loc))) { + + nsfb->plotter_fns->bitmap(nsfb, + &cursor->savloc, + cursor->sav, + cursor->sav_width, + cursor->sav_height, + cursor->sav_width, + false); + cursor->plotted = false; + } + return 0; +} + +static int linux_cursor(nsfb_t *nsfb, struct nsfb_cursor_s *cursor) +{ + nsfb_bbox_t sclip; + + if ((cursor != NULL) && (cursor->plotted == true)) { + sclip = nsfb->clip; + + nsfb->plotter_fns->set_clip(nsfb, NULL); + + nsfb->plotter_fns->bitmap(nsfb, + &cursor->savloc, + cursor->sav, + cursor->sav_width, + cursor->sav_height, + cursor->sav_width, + false); + + nsfb_cursor_plot(nsfb, cursor); + + nsfb->clip = sclip; + } + return true; +} + + +static int linux_update(nsfb_t *nsfb, nsfb_bbox_t *box) +{ + struct nsfb_cursor_s *cursor = nsfb->cursor; + + UNUSED(box); + + if ((cursor != NULL) && (cursor->plotted == false)) { + nsfb_cursor_plot(nsfb, cursor); + } + + return 0; +} + +const nsfb_frontend_rtns_t linux_rtns = { + .initialise = linux_initialise, + .finalise = linux_finalise, + .input = linux_input, + .claim = linux_claim, + .update = linux_update, + .cursor = linux_cursor, + .geometry = linux_set_geometry, +}; + +NSFB_FRONTEND_DEF(linux, NSFB_FRONTEND_LINUX, &linux_rtns) diff --git a/src/surface/ram.c b/src/surface/ram.c new file mode 100644 index 0000000..0948a5d --- /dev/null +++ b/src/surface/ram.c @@ -0,0 +1,59 @@ +/* + * Copyright 2009 Vincent Sanders + * + * This file is part of libnsfb, http://www.netsurf-browser.org/ + * Licenced under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + */ + +#include +#include + +#include "libnsfb.h" +#include "libnsfb_plot.h" +#include "libnsfb_event.h" +#include "nsfb.h" +#include "frontend.h" + +#define UNUSED(x) ((x) = (x)) + +static int ram_set_geometry(nsfb_t *nsfb, int width, int height, int bpp) +{ + if (nsfb->frontend_priv != NULL) + return -1; /* if were already initialised fail */ + + nsfb->width = width; + nsfb->height = height; + nsfb->bpp = bpp; + + return 0; +} + +static int ram_initialise(nsfb_t *nsfb) +{ + UNUSED(nsfb); + return 0; +} + +static int ram_finalise(nsfb_t *nsfb) +{ + UNUSED(nsfb); + return 0; +} + +static bool ram_input(nsfb_t *nsfb, nsfb_event_t *event, int timeout) +{ + UNUSED(nsfb); + UNUSED(event); + UNUSED(timeout); + return false; +} + +const nsfb_frontend_rtns_t ram_rtns = { + .initialise = ram_initialise, + .finalise = ram_finalise, + .input = ram_input, + .geometry = ram_set_geometry, +}; + +NSFB_FRONTEND_DEF(ram, NSFB_FRONTEND_RAM, &ram_rtns) diff --git a/src/surface/sdl.c b/src/surface/sdl.c new file mode 100644 index 0000000..cc83a4e --- /dev/null +++ b/src/surface/sdl.c @@ -0,0 +1,660 @@ +/* + * Copyright 2009 Vincent Sanders + * + * This file is part of libnsfb, http://www.netsurf-browser.org/ + * Licenced under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + */ + +#include +#include +#include + +#include "libnsfb.h" +#include "libnsfb_event.h" +#include "libnsfb_plot.h" +#include "libnsfb_plot_util.h" + +#include "nsfb.h" +#include "frontend.h" +#include "plot.h" +#include "cursor.h" + +enum nsfb_key_code_e sdl_nsfb_map[] = { + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_BACKSPACE, + NSFB_KEY_TAB, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_CLEAR, + NSFB_KEY_RETURN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_PAUSE, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_ESCAPE, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_SPACE, + NSFB_KEY_EXCLAIM, + NSFB_KEY_QUOTEDBL, + NSFB_KEY_HASH, + NSFB_KEY_DOLLAR, + NSFB_KEY_UNKNOWN, + NSFB_KEY_AMPERSAND, + NSFB_KEY_QUOTE, + NSFB_KEY_LEFTPAREN, + NSFB_KEY_RIGHTPAREN, + NSFB_KEY_ASTERISK, + NSFB_KEY_PLUS, + NSFB_KEY_COMMA, + NSFB_KEY_MINUS, + NSFB_KEY_PERIOD, + NSFB_KEY_SLASH, + NSFB_KEY_0, + NSFB_KEY_1, + NSFB_KEY_2, + NSFB_KEY_3, + NSFB_KEY_4, + NSFB_KEY_5, + NSFB_KEY_6, + NSFB_KEY_7, + NSFB_KEY_8, + NSFB_KEY_9, + NSFB_KEY_COLON, + NSFB_KEY_SEMICOLON, + NSFB_KEY_LESS, + NSFB_KEY_EQUALS, + NSFB_KEY_GREATER, + NSFB_KEY_QUESTION, + NSFB_KEY_AT, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_LEFTBRACKET, + NSFB_KEY_BACKSLASH, + NSFB_KEY_RIGHTBRACKET, + NSFB_KEY_CARET, + NSFB_KEY_UNDERSCORE, + NSFB_KEY_BACKQUOTE, + NSFB_KEY_a, + NSFB_KEY_b, + NSFB_KEY_c, + NSFB_KEY_d, + NSFB_KEY_e, + NSFB_KEY_f, + NSFB_KEY_g, + NSFB_KEY_h, + NSFB_KEY_i, + NSFB_KEY_j, + NSFB_KEY_k, + NSFB_KEY_l, + NSFB_KEY_m, + NSFB_KEY_n, + NSFB_KEY_o, + NSFB_KEY_p, + NSFB_KEY_q, + NSFB_KEY_r, + NSFB_KEY_s, + NSFB_KEY_t, + NSFB_KEY_u, + NSFB_KEY_v, + NSFB_KEY_w, + NSFB_KEY_x, + NSFB_KEY_y, + NSFB_KEY_z, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_DELETE, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_KP0, + NSFB_KEY_KP1, + NSFB_KEY_KP2, + NSFB_KEY_KP3, + NSFB_KEY_KP4, + NSFB_KEY_KP5, + NSFB_KEY_KP6, + NSFB_KEY_KP7, + NSFB_KEY_KP8, + NSFB_KEY_KP9, + NSFB_KEY_KP_PERIOD, + NSFB_KEY_KP_DIVIDE, + NSFB_KEY_KP_MULTIPLY, + NSFB_KEY_KP_MINUS, + NSFB_KEY_KP_PLUS, + NSFB_KEY_KP_ENTER, + NSFB_KEY_KP_EQUALS, + NSFB_KEY_UP, + NSFB_KEY_DOWN, + NSFB_KEY_RIGHT, + NSFB_KEY_LEFT, + NSFB_KEY_INSERT, + NSFB_KEY_HOME, + NSFB_KEY_END, + NSFB_KEY_PAGEUP, + NSFB_KEY_PAGEDOWN, + NSFB_KEY_F1, + NSFB_KEY_F2, + NSFB_KEY_F3, + NSFB_KEY_F4, + NSFB_KEY_F5, + NSFB_KEY_F6, + NSFB_KEY_F7, + NSFB_KEY_F8, + NSFB_KEY_F9, + NSFB_KEY_F10, + NSFB_KEY_F11, + NSFB_KEY_F12, + NSFB_KEY_F13, + NSFB_KEY_F14, + NSFB_KEY_F15, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_NUMLOCK, + NSFB_KEY_CAPSLOCK, + NSFB_KEY_SCROLLOCK, + NSFB_KEY_RSHIFT, + NSFB_KEY_LSHIFT, + NSFB_KEY_RCTRL, + NSFB_KEY_LCTRL, + NSFB_KEY_RALT, + NSFB_KEY_LALT, + NSFB_KEY_RMETA, + NSFB_KEY_LMETA, + NSFB_KEY_LSUPER, + NSFB_KEY_RSUPER, + NSFB_KEY_MODE, + NSFB_KEY_COMPOSE, + NSFB_KEY_HELP, + NSFB_KEY_PRINT, + NSFB_KEY_SYSREQ, + NSFB_KEY_BREAK, + NSFB_KEY_MENU, + NSFB_KEY_POWER, + NSFB_KEY_EURO, + NSFB_KEY_UNDO, +}; + + +static void +set_palette(nsfb_t *nsfb) +{ + SDL_Surface *sdl_screen = nsfb->frontend_priv; + SDL_Color palette[256]; + int rloop, gloop, bloop; + int loop = 0; + + /* build a linear R:3 G:3 B:2 colour cube palette. */ + for (rloop = 0; rloop < 8; rloop++) { + for (gloop = 0; gloop < 8; gloop++) { + for (bloop = 0; bloop < 4; bloop++) { + palette[loop].r = (rloop << 5) | (rloop << 2) | (rloop >> 1); + palette[loop].g = (gloop << 5) | (gloop << 2) | (gloop >> 1); + palette[loop].b = (bloop << 6) | (bloop << 4) | (bloop << 2) | (bloop); + nsfb->palette[loop] = palette[loop].r | + palette[loop].g << 8 | + palette[loop].b << 16; + loop++; + } + } + } + + /* Set palette */ + SDL_SetColors(sdl_screen, palette, 0, 256); + +} + +static bool +sdlcopy(nsfb_t *nsfb, nsfb_bbox_t *srcbox, nsfb_bbox_t *dstbox) +{ + SDL_Rect src; + SDL_Rect dst; + SDL_Surface *sdl_screen = nsfb->frontend_priv; + nsfb_bbox_t allbox; + struct nsfb_cursor_s *cursor = nsfb->cursor; + + nsfb_plot_add_rect(srcbox, dstbox, &allbox); + + /* clear the cursor if its within the region to be altered */ + if ((cursor != NULL) && + (cursor->plotted == true) && + (nsfb_plot_bbox_intersect(&allbox, &cursor->loc))) { + nsfb_cursor_clear(nsfb, cursor); + } + + src.x = srcbox->x0; + src.y = srcbox->y0; + src.w = srcbox->x1 - srcbox->x0; + src.h = srcbox->y1 - srcbox->y0; + + dst.x = dstbox->x0; + dst.y = dstbox->y0; + dst.w = dstbox->x1 - dstbox->x0; + dst.h = dstbox->y1 - dstbox->y0; + + SDL_BlitSurface(sdl_screen, &src, sdl_screen , &dst); + + if ((cursor != NULL) && + (cursor->plotted == false)) { + nsfb_cursor_plot(nsfb, cursor); + } + + SDL_UpdateRect(sdl_screen, dst.x, dst.y, dst.w, dst.h); + + return true; + +} + +static int sdl_set_geometry(nsfb_t *nsfb, int width, int height, int bpp) +{ + if (nsfb->frontend_priv != NULL) + return -1; /* if were already initialised fail */ + + nsfb->width = width; + nsfb->height = height; + nsfb->bpp = bpp; + + /* select default sw plotters for bpp */ + select_plotters(nsfb); + + nsfb->plotter_fns->copy = sdlcopy; + + return 0; +} + +static int sdl_initialise(nsfb_t *nsfb) +{ + SDL_Surface *sdl_screen; + + if (nsfb->frontend_priv != NULL) + return -1; + + /* sanity checked depth. */ + if ((nsfb->bpp != 32) && (nsfb->bpp != 16) && (nsfb->bpp != 8)) + return -1; + + /* initialise SDL library */ + if (SDL_Init(SDL_INIT_VIDEO) < 0 ) { + fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError()); + return -1; + } + atexit(SDL_Quit); + + sdl_screen = SDL_SetVideoMode(nsfb->width, + nsfb->height, + nsfb->bpp, + SDL_SWSURFACE); + + if (sdl_screen == NULL ) { + fprintf(stderr, "Unable to set video: %s\n", SDL_GetError()); + return -1; + } + + nsfb->frontend_priv = sdl_screen; + + if (nsfb->bpp == 8) + set_palette(nsfb); + + nsfb->ptr = sdl_screen->pixels; + nsfb->linelen = sdl_screen->pitch; + + SDL_ShowCursor(SDL_DISABLE); + SDL_EnableKeyRepeat(300, 50); + + return 0; +} + +static int sdl_finalise(nsfb_t *nsfb) +{ + nsfb=nsfb; + return 0; +} + +static bool sdl_input(nsfb_t *nsfb, nsfb_event_t *event, int timeout) +{ + int got_event; + SDL_Event sdlevent; + + nsfb = nsfb; /* unused */ + + if (timeout < 0) + got_event = SDL_WaitEvent(&sdlevent); + else + got_event = SDL_PollEvent(&sdlevent); + + /* Do nothing if there was no event */ + if (got_event == 0) + return false; + + event->type = NSFB_EVENT_NONE; + + switch (sdlevent.type) { + case SDL_KEYDOWN: + event->type = NSFB_EVENT_KEY_DOWN; + event->value.keycode = sdl_nsfb_map[sdlevent.key.keysym.sym]; + break; + + case SDL_KEYUP: + event->type = NSFB_EVENT_KEY_UP; + event->value.keycode = sdl_nsfb_map[sdlevent.key.keysym.sym]; + break; + + case SDL_MOUSEBUTTONDOWN: + event->type = NSFB_EVENT_KEY_DOWN; + + switch (sdlevent.button.button) { + + case SDL_BUTTON_LEFT: + event->value.keycode = NSFB_KEY_MOUSE_1; + break; + + case SDL_BUTTON_MIDDLE: + event->value.keycode = NSFB_KEY_MOUSE_2; + break; + + case SDL_BUTTON_RIGHT: + event->value.keycode = NSFB_KEY_MOUSE_3; + break; + + case SDL_BUTTON_WHEELUP: + event->value.keycode = NSFB_KEY_MOUSE_4; + break; + + case SDL_BUTTON_WHEELDOWN: + event->value.keycode = NSFB_KEY_MOUSE_5; + break; + } + break; + + case SDL_MOUSEBUTTONUP: + event->type = NSFB_EVENT_KEY_UP; + + switch (sdlevent.button.button) { + + case SDL_BUTTON_LEFT: + event->value.keycode = NSFB_KEY_MOUSE_1; + break; + + case SDL_BUTTON_MIDDLE: + event->value.keycode = NSFB_KEY_MOUSE_2; + break; + + case SDL_BUTTON_RIGHT: + event->value.keycode = NSFB_KEY_MOUSE_3; + break; + + case SDL_BUTTON_WHEELUP: + event->value.keycode = NSFB_KEY_MOUSE_4; + break; + + case SDL_BUTTON_WHEELDOWN: + event->value.keycode = NSFB_KEY_MOUSE_5; + break; + } + break; + + case SDL_MOUSEMOTION: + event->type = NSFB_EVENT_MOVE_ABSOLUTE; + event->value.vector.x = sdlevent.motion.x; + event->value.vector.y = sdlevent.motion.y; + event->value.vector.z = 0; + break; + + case SDL_QUIT: + event->type = NSFB_EVENT_CONTROL; + event->value.controlcode = NSFB_CONTROL_QUIT; + break; + + } + + return true; +} + +static int sdl_claim(nsfb_t *nsfb, nsfb_bbox_t *box) +{ + struct nsfb_cursor_s *cursor = nsfb->cursor; + + if ((cursor != NULL) && + (cursor->plotted == true) && + (nsfb_plot_bbox_intersect(box, &cursor->loc))) { + nsfb_cursor_clear(nsfb, cursor); + } + return 0; +} + +static int +sdl_cursor(nsfb_t *nsfb, struct nsfb_cursor_s *cursor) +{ + SDL_Surface *sdl_screen = nsfb->frontend_priv; + nsfb_bbox_t redraw; + nsfb_bbox_t fbarea; + + if ((cursor != NULL) && (cursor->plotted == true)) { + + nsfb_plot_add_rect(&cursor->savloc, &cursor->loc, &redraw); + + /* screen area */ + fbarea.x0 = 0; + fbarea.y0 = 0; + fbarea.x1 = nsfb->width; + fbarea.y1 = nsfb->height; + + nsfb_plot_clip(&fbarea, &redraw); + + nsfb_cursor_clear(nsfb, cursor); + + nsfb_cursor_plot(nsfb, cursor); + + SDL_UpdateRect(sdl_screen, + redraw.x0, + redraw.y0, + redraw.x1 - redraw.x0, + redraw.y1 - redraw.y0); + + + } + return true; +} + + +static int sdl_update(nsfb_t *nsfb, nsfb_bbox_t *box) +{ + SDL_Surface *sdl_screen = nsfb->frontend_priv; + struct nsfb_cursor_s *cursor = nsfb->cursor; + + if ((cursor != NULL) && + (cursor->plotted == false)) { + nsfb_cursor_plot(nsfb, cursor); + } + + SDL_UpdateRect(sdl_screen, + box->x0, + box->y0, + box->x1 - box->x0, + box->y1 - box->y0); + + return 0; +} + +const nsfb_frontend_rtns_t sdl_rtns = { + .initialise = sdl_initialise, + .finalise = sdl_finalise, + .input = sdl_input, + .claim = sdl_claim, + .update = sdl_update, + .cursor = sdl_cursor, + .geometry = sdl_set_geometry, +}; + +NSFB_FRONTEND_DEF(sdl, NSFB_FRONTEND_SDL, &sdl_rtns) diff --git a/src/surface/surface.c b/src/surface/surface.c new file mode 100644 index 0000000..17d6113 --- /dev/null +++ b/src/surface/surface.c @@ -0,0 +1,127 @@ +/* + * Copyright 2009 Vincent Sanders + * + * This file is part of libnsfb, http://www.netsurf-browser.org/ + * Licenced under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + */ + +#include +#include +#include +#include +#include + +#include "frontend.h" +#include "plot.h" + +#define MAX_FRONTENDS 16 + +struct nsfb_frontend_s { + enum nsfb_frontend_e type; + const nsfb_frontend_rtns_t *rtns; + const char *name; +}; + +static struct nsfb_frontend_s frontends[MAX_FRONTENDS]; +static int frontend_count = 0; + +/* internal routine which lets frontends register their presence at runtime */ +void _nsfb_register_frontend(const enum nsfb_frontend_e type, + const nsfb_frontend_rtns_t *rtns, + const char *name) +{ + if (frontend_count >= MAX_FRONTENDS) + return; /* no space for additional frontends */ + + frontends[frontend_count].type = type; + frontends[frontend_count].rtns = rtns; + frontends[frontend_count].name = name; + frontend_count++; +} + +/* default frontend implementations */ +static int frontend_defaults(nsfb_t *nsfb) +{ + nsfb->width = 800; + nsfb->height = 600; + nsfb->bpp = 32; + + /* select default sw plotters for bpp */ + select_plotters(nsfb); + + return 0; +} + +static int frontend_claim(nsfb_t *nsfb, nsfb_bbox_t *box) +{ + nsfb=nsfb; + box=box; + return 0; +} + +static int frontend_update(nsfb_t *nsfb, nsfb_bbox_t *box) +{ + nsfb=nsfb; + box=box; + return 0; +} + +static int frontend_cursor(nsfb_t *nsfb, struct nsfb_cursor_s *cursor) +{ + nsfb=nsfb; + cursor=cursor; + return 0; +} + +nsfb_frontend_rtns_t *nsfb_frontend_get_rtns(enum nsfb_frontend_e type) +{ + int fend_loop; + nsfb_frontend_rtns_t *rtns = NULL; + + for (fend_loop = 0; fend_loop < frontend_count; fend_loop++) { + if (frontends[fend_loop].type == type) { + rtns = malloc(sizeof(nsfb_frontend_rtns_t)); + memcpy(rtns, + frontends[fend_loop].rtns, + sizeof(nsfb_frontend_rtns_t)); + + /* frontend must have an initialisor, finaliser and input method */ + if ((rtns->initialise == NULL) || + (rtns->finalise == NULL) || + (rtns->input == NULL) ) { + free(rtns); + rtns = NULL; + } else { + /* The rest may be empty but to avoid the null check every time + * provide default implementations. + */ + if (rtns->defaults == NULL) + rtns->defaults = frontend_defaults; + + if (rtns->claim == NULL) + rtns->claim = frontend_claim; + + if (rtns->update == NULL) + rtns->update = frontend_update; + + if (rtns->cursor == NULL) + rtns->cursor = frontend_cursor; + } + + break; + } + } + return rtns; +} + +enum nsfb_frontend_e nsfb_frontend_from_name(const char *name) +{ + int fend_loop; + + for (fend_loop = 0; fend_loop < frontend_count; fend_loop++) { + if (strcmp(frontends[fend_loop].name, name) == 0) + return frontends[fend_loop].type; + } + return NSFB_FRONTEND_NONE; +} diff --git a/src/surface/vnc.c b/src/surface/vnc.c new file mode 100644 index 0000000..eb6d6ff --- /dev/null +++ b/src/surface/vnc.c @@ -0,0 +1,59 @@ +/* + * Copyright 2009 Vincent Sanders + * + * This file is part of libnsfb, http://www.netsurf-browser.org/ + * Licenced under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + */ + +#include +#include + +#include "libnsfb.h" +#include "libnsfb_event.h" +#include "libnsfb_plot.h" +#include "nsfb.h" +#include "frontend.h" + +#define UNUSED(x) ((x) = (x)) + +static int vnc_set_geometry(nsfb_t *nsfb, int width, int height, int bpp) +{ + if (nsfb->frontend_priv != NULL) + return -1; /* if were already initialised fail */ + + nsfb->width = width; + nsfb->height = height; + nsfb->bpp = bpp; + + return 0; +} + +static int vnc_initialise(nsfb_t *nsfb) +{ + UNUSED(nsfb); + return 0; +} + +static int vnc_finalise(nsfb_t *nsfb) +{ + UNUSED(nsfb); + return 0; +} + +static bool vnc_input(nsfb_t *nsfb, nsfb_event_t *event, int timeout) +{ + UNUSED(nsfb); + UNUSED(event); + UNUSED(timeout); + return false; +} + +const nsfb_frontend_rtns_t vnc_rtns = { + .initialise = vnc_initialise, + .finalise = vnc_finalise, + .input = vnc_input, + .geometry = vnc_set_geometry, +}; + +NSFB_FRONTEND_DEF(vnc, NSFB_FRONTEND_VNC, &vnc_rtns) diff --git a/src/surface/x.c b/src/surface/x.c new file mode 100644 index 0000000..6c45074 --- /dev/null +++ b/src/surface/x.c @@ -0,0 +1,786 @@ +/* + * Copyright 2009 Vincent Sanders + * + * This file is part of libnsfb, http://www.netsurf-browser.org/ + * Licenced under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + */ + +#include +#include +#include + +#include +#include +#include +#include + +#include "libnsfb.h" +#include "libnsfb_event.h" +#include "libnsfb_plot.h" +#include "libnsfb_plot_util.h" + +#include "nsfb.h" +#include "frontend.h" +#include "plot.h" +#include "cursor.h" + +enum nsfb_key_code_e x_nsfb_map[] = { + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_BACKSPACE, + NSFB_KEY_TAB, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_CLEAR, + NSFB_KEY_RETURN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_PAUSE, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_ESCAPE, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_SPACE, + NSFB_KEY_EXCLAIM, + NSFB_KEY_QUOTEDBL, + NSFB_KEY_HASH, + NSFB_KEY_DOLLAR, + NSFB_KEY_UNKNOWN, + NSFB_KEY_AMPERSAND, + NSFB_KEY_QUOTE, + NSFB_KEY_LEFTPAREN, + NSFB_KEY_RIGHTPAREN, + NSFB_KEY_ASTERISK, + NSFB_KEY_PLUS, + NSFB_KEY_COMMA, + NSFB_KEY_MINUS, + NSFB_KEY_PERIOD, + NSFB_KEY_SLASH, + NSFB_KEY_0, + NSFB_KEY_1, + NSFB_KEY_2, + NSFB_KEY_3, + NSFB_KEY_4, + NSFB_KEY_5, + NSFB_KEY_6, + NSFB_KEY_7, + NSFB_KEY_8, + NSFB_KEY_9, + NSFB_KEY_COLON, + NSFB_KEY_SEMICOLON, + NSFB_KEY_LESS, + NSFB_KEY_EQUALS, + NSFB_KEY_GREATER, + NSFB_KEY_QUESTION, + NSFB_KEY_AT, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_LEFTBRACKET, + NSFB_KEY_BACKSLASH, + NSFB_KEY_RIGHTBRACKET, + NSFB_KEY_CARET, + NSFB_KEY_UNDERSCORE, + NSFB_KEY_BACKQUOTE, + NSFB_KEY_a, + NSFB_KEY_b, + NSFB_KEY_c, + NSFB_KEY_d, + NSFB_KEY_e, + NSFB_KEY_f, + NSFB_KEY_g, + NSFB_KEY_h, + NSFB_KEY_i, + NSFB_KEY_j, + NSFB_KEY_k, + NSFB_KEY_l, + NSFB_KEY_m, + NSFB_KEY_n, + NSFB_KEY_o, + NSFB_KEY_p, + NSFB_KEY_q, + NSFB_KEY_r, + NSFB_KEY_s, + NSFB_KEY_t, + NSFB_KEY_u, + NSFB_KEY_v, + NSFB_KEY_w, + NSFB_KEY_x, + NSFB_KEY_y, + NSFB_KEY_z, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_DELETE, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_KP0, + NSFB_KEY_KP1, + NSFB_KEY_KP2, + NSFB_KEY_KP3, + NSFB_KEY_KP4, + NSFB_KEY_KP5, + NSFB_KEY_KP6, + NSFB_KEY_KP7, + NSFB_KEY_KP8, + NSFB_KEY_KP9, + NSFB_KEY_KP_PERIOD, + NSFB_KEY_KP_DIVIDE, + NSFB_KEY_KP_MULTIPLY, + NSFB_KEY_KP_MINUS, + NSFB_KEY_KP_PLUS, + NSFB_KEY_KP_ENTER, + NSFB_KEY_KP_EQUALS, + NSFB_KEY_UP, + NSFB_KEY_DOWN, + NSFB_KEY_RIGHT, + NSFB_KEY_LEFT, + NSFB_KEY_INSERT, + NSFB_KEY_HOME, + NSFB_KEY_END, + NSFB_KEY_PAGEUP, + NSFB_KEY_PAGEDOWN, + NSFB_KEY_F1, + NSFB_KEY_F2, + NSFB_KEY_F3, + NSFB_KEY_F4, + NSFB_KEY_F5, + NSFB_KEY_F6, + NSFB_KEY_F7, + NSFB_KEY_F8, + NSFB_KEY_F9, + NSFB_KEY_F10, + NSFB_KEY_F11, + NSFB_KEY_F12, + NSFB_KEY_F13, + NSFB_KEY_F14, + NSFB_KEY_F15, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_UNKNOWN, + NSFB_KEY_NUMLOCK, + NSFB_KEY_CAPSLOCK, + NSFB_KEY_SCROLLOCK, + NSFB_KEY_RSHIFT, + NSFB_KEY_LSHIFT, + NSFB_KEY_RCTRL, + NSFB_KEY_LCTRL, + NSFB_KEY_RALT, + NSFB_KEY_LALT, + NSFB_KEY_RMETA, + NSFB_KEY_LMETA, + NSFB_KEY_LSUPER, + NSFB_KEY_RSUPER, + NSFB_KEY_MODE, + NSFB_KEY_COMPOSE, + NSFB_KEY_HELP, + NSFB_KEY_PRINT, + NSFB_KEY_SYSREQ, + NSFB_KEY_BREAK, + NSFB_KEY_MENU, + NSFB_KEY_POWER, + NSFB_KEY_EURO, + NSFB_KEY_UNDO, +}; + +/* + static void + set_palette(nsfb_t *nsfb) + { + X_Surface *x_screen = nsfb->frontend_priv; + X_Color palette[256]; + int rloop, gloop, bloop; + int loop = 0; + + // build a linear R:3 G:3 B:2 colour cube palette. + for (rloop = 0; rloop < 8; rloop++) { + for (gloop = 0; gloop < 8; gloop++) { + for (bloop = 0; bloop < 4; bloop++) { + palette[loop].r = (rloop << 5) | (rloop << 2) | (rloop >> 1); + palette[loop].g = (gloop << 5) | (gloop << 2) | (gloop >> 1); + palette[loop].b = (bloop << 6) | (bloop << 4) | (bloop << 2) | (bloop); + nsfb->palette[loop] = palette[loop].r | + palette[loop].g << 8 | + palette[loop].b << 16; + loop++; + } + } + } + + // Set palette + //X_SetColors(x_screen, palette, 0, 256); + + } +*/ + +static int x_set_geometry(nsfb_t *nsfb, int width, int height, int bpp) +{ + if (nsfb->frontend_priv != NULL) + return -1; /* if were already initialised fail */ + + nsfb->width = width; + nsfb->height = height; + nsfb->bpp = bpp; + + /* select default sw plotters for bpp */ + select_plotters(nsfb); + + return 0; +} + +typedef struct xstate_s { + xcb_connection_t *connection; /* The x server connection */ + xcb_screen_t *screen; /* The screen to put the window on */ + + xcb_image_t *image; /* The X image buffer */ + + xcb_window_t window; /* The handle to the window */ + xcb_pixmap_t pmap; /* The handle to the backing pixmap */ + xcb_gcontext_t gc; /* The handle to the pixmap plotting graphics context */ +} xstate_t; + +static xcb_format_t * +find_format(xcb_connection_t * c, uint8_t depth, uint8_t bpp) +{ + const xcb_setup_t *setup = xcb_get_setup(c); + xcb_format_t *fmt = xcb_setup_pixmap_formats(setup); + xcb_format_t *fmtend = fmt + xcb_setup_pixmap_formats_length(setup); + for(; fmt != fmtend; ++fmt) + if((fmt->depth == depth) && (fmt->bits_per_pixel == bpp)) { + return fmt; + } + return 0; +} + +static xcb_image_t * +create_image(xcb_connection_t *c, int width, int height, int bpp) +{ + const xcb_setup_t *setup = xcb_get_setup(c); + unsigned char *image_data; + xcb_format_t *fmt; + int depth = bpp; + uint32_t image_size; + + if (bpp == 32) + depth = 24; + + fmt = find_format(c, depth, bpp); + if (fmt == NULL) + return NULL; + + /* doing it this way ensures we deal with bpp smaller than 8 */ + image_size = (bpp * width * height) >> 3; + + image_data = calloc(1, image_size); + if (image_data == NULL) + return NULL; + + return xcb_image_create(width, + height, + XCB_IMAGE_FORMAT_Z_PIXMAP, + fmt->scanline_pad, + fmt->depth, + fmt->bits_per_pixel, + 0, + setup->image_byte_order, + XCB_IMAGE_ORDER_LSB_FIRST, + image_data, + image_size, + image_data); +} + +static int x_initialise(nsfb_t *nsfb) +{ + uint32_t mask; + uint32_t values[2]; + xcb_size_hints_t *hints; + xstate_t *xstate = nsfb->frontend_priv; + + if (xstate != NULL) + return -1; /* already initialised */ + + /* sanity check bpp. */ + if ((nsfb->bpp != 32) && (nsfb->bpp != 16) && (nsfb->bpp != 8)) + return -1; + + xstate = calloc(1, sizeof(xstate_t)); + if (xstate == NULL) + return -1; /* no memory */ + + /* open connection with the server */ + xstate->connection = xcb_connect (NULL, NULL); + if (xstate->connection == NULL) { + fprintf(stderr, "Unable to open display\n"); + free(xstate); + } + + /* get screen */ + xstate->screen = xcb_setup_roots_iterator(xcb_get_setup(xstate->connection)).data; + + /* create image */ + xstate->image = create_image(xstate->connection, nsfb->width, nsfb->height, nsfb->bpp); + if (xstate->image == NULL) { + fprintf(stderr, "Unable to create image\n"); + free(xstate); + xcb_disconnect(xstate->connection); + return -1; + } + + /* ensure plotting information is stored */ + nsfb->frontend_priv = xstate; + nsfb->ptr = xstate->image->data; + nsfb->linelen = xstate->image->stride; + + /* create window */ + mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK; + values[0] = xstate->screen->white_pixel; + values[1] = XCB_EVENT_MASK_EXPOSURE | + XCB_EVENT_MASK_KEY_PRESS | + XCB_EVENT_MASK_BUTTON_PRESS | + XCB_EVENT_MASK_POINTER_MOTION; + + xstate->window = xcb_generate_id(xstate->connection); + xcb_create_window (xstate->connection, + XCB_COPY_FROM_PARENT, + xstate->window, + xstate->screen->root, + 10, 10, xstate->image->width, xstate->image->height, 1, + XCB_WINDOW_CLASS_INPUT_OUTPUT, + xstate->screen->root_visual, + mask, values); + /* set size hits on window */ + hints = xcb_alloc_size_hints(); + xcb_size_hints_set_max_size(hints, xstate->image->width, xstate->image->height); + xcb_size_hints_set_min_size(hints, xstate->image->width, xstate->image->height); + xcb_set_wm_size_hints(xstate->connection, xstate->window, WM_NORMAL_HINTS, hints); + xcb_free_size_hints(hints); + + /* create backing pixmap */ + xstate->pmap = xcb_generate_id(xstate->connection); + xcb_create_pixmap(xstate->connection, 24, xstate->pmap, xstate->window, xstate->image->width, xstate->image->height); + + /* create pixmap plot gc */ + mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND; + values[0] = xstate->screen->black_pixel; + values[1] = 0xffffff; + + xstate->gc = xcb_generate_id (xstate->connection); + xcb_create_gc(xstate->connection, xstate->gc, xstate->pmap, mask, values); + + /* put the image into the pixmap */ + xcb_image_put(xstate->connection, xstate->pmap, xstate->gc, xstate->image, 0, 0, 0); + + /* if (nsfb->bpp == 8) + set_palette(nsfb); + */ + + /* show the window */ + xcb_map_window (xstate->connection, xstate->window); + xcb_flush(xstate->connection); + + return 0; +} + +static int x_finalise(nsfb_t *nsfb) +{ + xstate_t *xstate = nsfb->frontend_priv; + if (xstate == NULL) + return 0; + + /* free pixmap */ + xcb_free_pixmap(xstate->connection, xstate->pmap); + + /* close connection to server */ + xcb_disconnect(xstate->connection); + + return 0; +} + +static bool x_input(nsfb_t *nsfb, nsfb_event_t *event, int timeout) +{ + xcb_generic_event_t *e; + xcb_expose_event_t *ee; + xcb_motion_notify_event_t *emn; + xstate_t *xstate = nsfb->frontend_priv; + + if (xstate == NULL) + return false; + + if (timeout < 0) + e = xcb_wait_for_event(xstate->connection); + else + e = xcb_poll_for_event(xstate->connection); + + /* Do nothing if there was no event */ + if (e == NULL) + return false; + + /* expose event is special and is not handled with the other events */ + if (e->response_type == XCB_EXPOSE) { + ee = (xcb_expose_event_t *)e; + xcb_copy_area(xstate->connection, + xstate->pmap, + xstate->window, + xstate->gc, + ee->x, ee->y, + ee->x, ee->y, + ee->width, ee->height); + xcb_flush (xstate->connection); + return false; + } + + event->type = NSFB_EVENT_NONE; + + + switch (e->response_type) { + case XCB_MOTION_NOTIFY: + emn = (xcb_motion_notify_event_t *)e; + event->type = NSFB_EVENT_MOVE_ABSOLUTE; + event->value.vector.x = emn->event_x; + event->value.vector.y = emn->event_y; + event->value.vector.z = 0; + break; + } + /* + switch (sdlevent.type) { + case X_KEYDOWN: + event->type = NSFB_EVENT_KEY_DOWN; + event->value.keycode = x_nsfb_map[sdlevent.key.keysym.sym]; + break; + + case X_KEYUP: + event->type = NSFB_EVENT_KEY_UP; + event->value.keycode = x_nsfb_map[sdlevent.key.keysym.sym]; + break; + + case X_MOUSEBUTTONDOWN: + event->type = NSFB_EVENT_KEY_DOWN; + + switch (sdlevent.button.button) { + + case X_BUTTON_LEFT: + event->value.keycode = NSFB_KEY_MOUSE_1; + break; + + case X_BUTTON_MIDDLE: + event->value.keycode = NSFB_KEY_MOUSE_2; + break; + + case X_BUTTON_RIGHT: + event->value.keycode = NSFB_KEY_MOUSE_3; + break; + + case X_BUTTON_WHEELUP: + event->value.keycode = NSFB_KEY_MOUSE_4; + break; + + case X_BUTTON_WHEELDOWN: + event->value.keycode = NSFB_KEY_MOUSE_5; + break; + } + break; + + case X_MOUSEBUTTONUP: + event->type = NSFB_EVENT_KEY_UP; + + switch (sdlevent.button.button) { + + case X_BUTTON_LEFT: + event->value.keycode = NSFB_KEY_MOUSE_1; + break; + + case X_BUTTON_MIDDLE: + event->value.keycode = NSFB_KEY_MOUSE_2; + break; + + case X_BUTTON_RIGHT: + event->value.keycode = NSFB_KEY_MOUSE_3; + break; + + case X_BUTTON_WHEELUP: + event->value.keycode = NSFB_KEY_MOUSE_4; + break; + + case X_BUTTON_WHEELDOWN: + event->value.keycode = NSFB_KEY_MOUSE_5; + break; + } + break; + + case X_MOUSEMOTION: + event->type = NSFB_EVENT_MOVE_ABSOLUTE; + event->value.vector.x = sdlevent.motion.x; + event->value.vector.y = sdlevent.motion.y; + event->value.vector.z = 0; + break; + + case X_QUIT: + event->type = NSFB_EVENT_CONTROL; + event->value.controlcode = NSFB_CONTROL_QUIT; + break; + + } + */ + return true; +} + +static int x_claim(nsfb_t *nsfb, nsfb_bbox_t *box) +{ + struct nsfb_cursor_s *cursor = nsfb->cursor; + + if ((cursor != NULL) && + (cursor->plotted == true) && + (nsfb_plot_bbox_intersect(box, &cursor->loc))) { + nsfb_cursor_clear(nsfb, cursor); + } + return 0; +} + +static int +x_cursor(nsfb_t *nsfb, struct nsfb_cursor_s *cursor) +{ + xstate_t *xstate = nsfb->frontend_priv; + nsfb_bbox_t redraw; + nsfb_bbox_t fbarea; + + if ((cursor != NULL) && (cursor->plotted == true)) { + + nsfb_plot_add_rect(&cursor->savloc, &cursor->loc, &redraw); + + /* screen area */ + fbarea.x0 = 0; + fbarea.y0 = 0; + fbarea.x1 = nsfb->width; + fbarea.y1 = nsfb->height; + + nsfb_plot_clip(&fbarea, &redraw); + + nsfb_cursor_clear(nsfb, cursor); + + nsfb_cursor_plot(nsfb, cursor); + + /* TODO: This is hediously ineficient - should keep the pointer image + * as a pixmap and plot server side + */ + xcb_image_put(xstate->connection, xstate->pmap, xstate->gc, xstate->image, 0, 0, 0); + xcb_copy_area(xstate->connection, + xstate->pmap, + xstate->window, + xstate->gc, + redraw.x0, + redraw.y0, + redraw.x0, + redraw.y0, + redraw.x1 - redraw.x0, + redraw.y1 - redraw.y0); + + + } + return true; +} + + +static int x_update(nsfb_t *nsfb, nsfb_bbox_t *box) +{ + xstate_t *xstate = nsfb->frontend_priv; + struct nsfb_cursor_s *cursor = nsfb->cursor; + + if ((cursor != NULL) && + (cursor->plotted == false)) { + nsfb_cursor_plot(nsfb, cursor); + } + + xcb_image_put(xstate->connection, xstate->pmap, xstate->gc, xstate->image, 0, 0, 0); + xcb_copy_area(xstate->connection, + xstate->pmap, + xstate->window, + xstate->gc, + box->x0, + box->y0, + box->x0, + box->y0, + box->x1 - box->x0, + box->y1 - box->y0); + + return 0; +} + +const nsfb_frontend_rtns_t x_rtns = { + .initialise = x_initialise, + .finalise = x_finalise, + .input = x_input, + .claim = x_claim, + .update = x_update, + .cursor = x_cursor, + .geometry = x_set_geometry, +}; + +NSFB_FRONTEND_DEF(x, NSFB_FRONTEND_X, &x_rtns) -- cgit v1.2.3