From 410645dbeaaae83a2f94b4396ac69759e205092c Mon Sep 17 00:00:00 2001 From: reinelt Date: Tue, 24 Feb 2004 05:55:04 +0000 Subject: [lcd4linux @ 2004-02-24 05:54:57 by reinelt] X11 driver ported git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@375 3ae390bd-cb1e-0410-b409-cd5a39f66f1f --- drv_X11.c | 561 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 561 insertions(+) create mode 100644 drv_X11.c (limited to 'drv_X11.c') diff --git a/drv_X11.c b/drv_X11.c new file mode 100644 index 0000000..e146df4 --- /dev/null +++ b/drv_X11.c @@ -0,0 +1,561 @@ +/* $Id: drv_X11.c,v 1.1 2004/02/24 05:55:04 reinelt Exp $ + * + * new style X11 Driver for LCD4Linux + * + * Copyright 1999-2004 Michael Reinelt + * Copyright 2004 The LCD4Linux Team + * + * based on the old XWindow.c which is + * Copyright 2000 Herbert Rosmanith + * + * This file is part of LCD4Linux. + * + * LCD4Linux is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * LCD4Linux is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * $Log: drv_X11.c,v $ + * Revision 1.1 2004/02/24 05:55:04 reinelt + * + * X11 driver ported + * + */ + +/* + * + * exported fuctions: + * + * struct DRIVER drv_X11 + * + */ + + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "debug.h" +#include "cfg.h" +#include "timer.h" +#include "udelay.h" +#include "plugin.h" +#include "widget.h" +#include "widget_text.h" +#include "widget_icon.h" +#include "widget_bar.h" +#include "drv.h" +#include "drv_generic_graphic.h" + +#ifdef WITH_DMALLOC +#include +#endif + +static char Name[]="X11"; + +static char *fg_col,*bg_col,*hg_col; + +static int pixel = -1; // pointsize in pixel +static int pgap = 0; // gap between points +static int rgap = 0; // row gap between lines +static int cgap = 0; // column gap between characters +static int border = 0; // window border + +static int dimx, dimy; // total window dimension in pixel + +static unsigned char *drv_X11_FB=NULL; + +static Display *dp; +static int sc, dd; +static Window w, rw; +static Visual *vi; +static GC fg_gc, bg_gc, hg_gc; +static Colormap cm; +static XColor fg_xc, bg_xc, hg_xc; +static Pixmap pm; + + +#if 0 +static LCD Lcd; + +static unsigned char *LCDpixmap2; +static int DROWS=-1,DCOLS=-1; /*DROWS+DCOLS without background*/ +static int XRES=-1,YRES=-1; /*XRES+YRES (same as self->...)*/ +static int icons; /* number of user-defined icons */ +static int async_update(); /*PROTO*/ +static pid_t async_updater_pid=1; +static int semid=-1; +static int shmid=-1; +static int ppid; /*parent pid*/ + +#endif + +// **************************************** +// *** hardware dependant functions *** +// **************************************** + +static void drv_X11_blit(int row, int col, int height, int width) +{ + int r, c; + int dirty = 0; + + for (r=row; ry1) continue; + for (c=0; cx1) continue; + XFillRectangle( dp, w, drv_generic_graphic_FB[r*LCOLS+c]? fg_gc:hg_gc, xc, yc, pixel, pixel); + } + } + XSync(dp, False); +} + + +static void drv_X11_timer (void *notused) +{ + XEvent ev; + + if (XCheckWindowEvent(dp, w, ExposureMask, &ev)==0) return; + if (ev.type==Expose) { + drv_X11_expose (ev.xexpose.x, ev.xexpose.y, ev.xexpose.width, ev.xexpose.height); + } +} + + +static int drv_X11_start (char *section) +{ + char *s; + XSetWindowAttributes wa; + XSizeHints sh; + XColor dummy; + XEvent ev; + + + // read display size from config + if (sscanf(s=cfg_get(section, "Size", "120x32"), "%dx%d", &DCOLS, &DROWS)!=2 || DCOLS<1 || DROWS<1) { + error ("%s: bad Size '%s' from %s", Name, s, cfg_source()); + return -1; + } + + if (sscanf(s=cfg_get(section, "font", "5x8"), "%dx%d", &XRES, &YRES)!=2 || XRES<1|| YRES<1) { + error ("%s: bad font '%s' from %s", Name, s, cfg_source()); + return -1; + } + + if (sscanf(s=cfg_get(section, "pixel", "4+1"), "%d+%d", &pixel, &pgap)!=2 || pixel<1 || pgap<0) { + error ("%s: bad pixel '%s' from %s", Name, s, cfg_source()); + return -1; + } + + if (sscanf(s=cfg_get(section, "gap", "-1x-1"), "%dx%d", &cgap, &rgap)!=2 || cgap<-1 || rgap<-1) { + error ("%s: bad gap '%s' from %s", Name, s, cfg_source()); + return -1; + } + if (rgap<0) rgap=pixel+pgap; + if (cgap<0) cgap=pixel+pgap; + + if (cfg_number(section, "border", 0, 0, 1000000, &border)<0) return -1; + + fg_col=cfg_get(section, "foreground", "#000000"); + bg_col=cfg_get(section, "background", "#80d000"); + hg_col=cfg_get(section, "halfground", "#70c000"); + if (*fg_col=='\\') fg_col++; + if (*bg_col=='\\') bg_col++; + if (*hg_col=='\\') hg_col++; + + + drv_X11_FB = malloc(DCOLS*DROWS); + if (drv_X11_FB==NULL) { + error ("%s: framebuffer could not be allocated: malloc() failed", Name); + return -1; + } + + // init with 255 so all 'halfground' pixels will be drawn + memset(drv_X11_FB, 255, DCOLS*DROWS*sizeof(*drv_X11_FB)); + + if ((dp=XOpenDisplay(NULL))==NULL) { + error ("%s: can't open display", Name); + return -1; + } + + sc = DefaultScreen(dp); + fg_gc = DefaultGC(dp, sc); + vi = DefaultVisual(dp, sc); + dd = DefaultDepth(dp, sc); + rw = DefaultRootWindow(dp); + cm = DefaultColormap(dp, sc); + + if (XAllocNamedColor(dp, cm, fg_col, &fg_xc, &dummy) == False) { + error ("%s: can't alloc foreground color '%s'", Name, fg_col); + return -1; + } + + if (XAllocNamedColor(dp, cm, bg_col, &bg_xc, &dummy)==False) { + error ("%s: can't alloc background color '%s'", Name, bg_col); + return -1; + } + + if (XAllocNamedColor(dp, cm, hg_col, &hg_xc, &dummy)==False) { + error ("%s: can't alloc halfground color '%s'", Name, hg_col); + return -1; + } + + dimx = DCOLS*pixel + (DCOLS-1)*pgap + (DCOLS/XRES-1)*cgap; + dimy = DROWS*pixel + (DROWS-1)*pgap + (DROWS/YRES-1)*rgap; + + wa.event_mask=ExposureMask; + + w = XCreateWindow(dp, rw, 0, 0, dimx+2*border, dimy+2*border, 0, 0, InputOutput, vi, CWEventMask, &wa); + + pm = XCreatePixmap(dp, w, dimx, dimy, dd); + + sh.min_width = sh.max_width = dimx+2*border; + sh.min_height = sh.max_height = dimy+2*border; + sh.flags = PPosition|PSize|PMinSize|PMaxSize; + + XSetWMProperties(dp, w, NULL, NULL, NULL, 0, &sh, NULL, NULL); + + + XSetForeground(dp, fg_gc, fg_xc.pixel); + XSetBackground(dp, fg_gc, bg_xc.pixel); + + bg_gc = XCreateGC(dp, w, 0, NULL); + XSetForeground(dp, bg_gc, bg_xc.pixel); + XSetBackground(dp, bg_gc, fg_xc.pixel); + + hg_gc = XCreateGC(dp, w, 0, NULL); + XSetForeground(dp, hg_gc, hg_xc.pixel); + XSetBackground(dp, hg_gc, fg_xc.pixel); + + XFillRectangle(dp, pm, bg_gc, 0, 0, dimx+2*border, dimy+2*border); + XSetWindowBackground(dp, w, bg_xc.pixel); + XClearWindow(dp, w); + + XStoreName(dp, w, "LCD4Linux"); + XMapWindow(dp, w); + + XFlush(dp); + + while(1) { + XNextEvent(dp,&ev); + if (ev.type==Expose && ev.xexpose.count==0) + break; + } + + // regularly process X events + // Fixme: make 20msec configurable + timer_add (drv_X11_timer, NULL, 20, 0); + + return 0; +} + + +#if 0 +static int init_x(int rows,int cols,int XRES,int YRES) +{ + return 0; +} + + +int xlcdinit(LCD *Self) +{ + char *s; + + if (sscanf(s=cfg_get(NULL, "size", "20x4"),"%dx%d",&DCOLS,&DROWS)!=2 + || DROWS<1 || DCOLS<1) { + error ("X11: bad size '%s'",s); + return -1; + } + if (sscanf(s=cfg_get(NULL, "font", "5x8"),"%dx%d",&XRES,&YRES)!=2 + || XRES<5 || YRES>10) { + error ("X11: bad font '%s'",s); + return -1; + } + if (sscanf(s=cfg_get(NULL, "pixel", "4+1"),"%d+%d",&pixel,&pgap)!=2 + || pixel<1 || pgap<0) { + error ("X11: bad pixel '%s'",s); + return -1; + } + if (sscanf(s=cfg_get(NULL, "gap", "-1x-1"),"%dx%d",&cgap,&rgap)!=2 + || cgap<-1 || rgap<-1) { + error ("X11: bad gap '%s'",s); + return -1; + } + if (rgap<0) rgap=pixel+pgap; + if (cgap<0) cgap=pixel+pgap; + + if (cfg_number(NULL, "border", 0, 0, 1000000, &border)<0) return -1; + + fg_col=cfg_get(NULL, "foreground", "#000000"); + bg_col=cfg_get(NULL, "background", "#80d000"); + hg_col=cfg_get(NULL, "halfground", "#70c000"); + if (*fg_col=='\\') fg_col++; + if (*bg_col=='\\') bg_col++; + if (*hg_col=='\\') hg_col++; + + if (pix_init(DROWS,DCOLS,XRES,YRES)==-1) return -1; + + if (cfg_number(NULL, "Icons", 0, 0, 8, &icons) < 0) return -1; + if (icons>0) { + info ("allocating %d icons", icons); + icon_init(DROWS, DCOLS, XRES, YRES, 8, icons, pix_icon); + } + + if (init_x(DROWS,DCOLS,XRES,YRES)==-1) return -1; + init_signals(); + if (init_shm(DROWS*DCOLS*XRES*YRES,&LCDpixmap2)==-1) return -1; + memset(LCDpixmap2,0xff,DROWS*YRES*DCOLS*XRES); + if (init_thread(DROWS*DCOLS*XRES*YRES)==-1) return -1; + Self->DROWS=DROWS; + Self->DCOLS=DCOLS; + Self->XRES=XRES; + Self->YRES=YRES; + Self->icons=icons; + Lcd=*Self; + + pix_clear(); + return 0; +} + + +int xlcdflush() { + int dirty; + int row,col; + + acquire_lock(); + dirty=0; + for(row=0;rowy1) continue; + for(col=0; colx1) continue; + p=row*DCOLS*XRES+col; + XFillRectangle(dp,w,LCDpixmap2[p]?fg_gc:hg_gc,x,y,pixel,pixel); + dirty=1; + } + } + if (dirty) XSync(dp,False); +} + + +static int async_update() +{ + XSetWindowAttributes wa; + XEvent ev; + + if ((dp=XOpenDisplay(NULL))==NULL) + return -1; + wa.event_mask=ExposureMask; + XChangeWindowAttributes(dp,w,CWEventMask,&wa); + for(;;) { + XWindowEvent(dp,w,ExposureMask,&ev); + if (ev.type==Expose) { + acquire_lock(); + update(ev.xexpose.x,ev.xexpose.y, + ev.xexpose.width,ev.xexpose.height); + release_lock(); + } + } +} +#endif + + +// **************************************** +// *** plugins *** +// **************************************** + +// none at the moment... + + +// **************************************** +// *** widget callbacks *** +// **************************************** + + +// using drv_generic_graphic_draw(W) +// using drv_generic_graphic_icon_draw(W) +// using drv_generic_graphic_bar_draw(W) + + +// **************************************** +// *** exported functions *** +// **************************************** + + +// list models +int drv_X11_list (void) +{ + printf ("any"); + return 0; +} + + +// initialize driver & display +int drv_X11_init (char *section) +{ + WIDGET_CLASS wc; + int ret; + + // real worker functions + drv_generic_graphic_real_blit = drv_X11_blit; + + // start display + if ((ret=drv_X11_start (section))!=0) + return ret; + + // initialize generic graphic driver + if ((ret=drv_generic_graphic_init(section, Name))!=0) + return ret; + + // initially expose window + drv_X11_expose (0, 0, dimx+2*border, dimy+2*border); + + // register text widget + wc=Widget_Text; + wc.draw=drv_generic_graphic_draw; + widget_register(&wc); + + // register icon widget + wc=Widget_Icon; + wc.draw=drv_generic_graphic_icon_draw; + widget_register(&wc); + + // register bar widget + wc=Widget_Bar; + wc.draw=drv_generic_graphic_bar_draw; + widget_register(&wc); + + // register plugins + // none at the moment... + + + return 0; +} + + +// close driver & display +int drv_X11_quit (void) { + + info("%s: shutting down.", Name); + drv_generic_graphic_quit(); + + if (drv_X11_FB) { + free (drv_X11_FB); + drv_X11_FB=NULL; + } + + return (0); +} + + +DRIVER drv_X11 = { + name: Name, + list: drv_X11_list, + init: drv_X11_init, + quit: drv_X11_quit, +}; + + -- cgit v1.2.3