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[/] [or1k_old/] [trunk/] [mw/] [src/] [demos/] [nxkbd/] [nxkbd.c] - Rev 1765
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/* * nxkbd.c - Software popup keyboard for Nano-X * * Copyright (C) 2000 by Greg Haerr <greg@censoft.com> * linked-in bitmaps, redrawn keymaps * enhanced shift/control function, fnkeys * supports all ascii values 1-127 * Copyright (C) 2000 by VTech Informations LTD. * Vladimir Cotfas <vladimircotfas@vtech.ca> Aug 31, 2000 * initial port to Nano-X * Copyright (C) 2000 by Jay Carlson * initial soft kbd for W * * This code is licensed with the same license as Microwindows. * * #define KBDPIPE in srvconn.c for named pipe keyboard driver. * Otherwise, the GrInjectKeyboardEvent method is used. */ #include <stdio.h> #include <stdlib.h> #define MWINCLUDECOLORS #include "nano-X.h" #define TITLE "Soft Keyboard" #define DISKIMAGES 0 /* =0 use linked-in images*/ #define _SOFTKBD_DEBUG 0 /* kbd states, each with unique bitmap*/ #define NORM 1000 #define CNTRL 1001 #define SHIFT 1002 #define NUM 1003 #define INTL 1004 /* special chars*/ #define BS '\b' /* value of <- on kbd*/ #define F1 2000 #define NONE 3000 /* number of charcodes per bitmap*/ #define SCANCODES 41 /* size of bitmaps*/ #define BM_WIDTH 160 #define BM_HEIGHT 61 struct keycolumn { short xoffset; short scancode; }; struct keyrow { short yoffset; short height; struct keycolumn columns[12]; }; /* fixed layout for each scancode location*/ struct keyrow keyrows[4] = { {0, 15, {{0, 0}, {14, 1}, {28, 2}, {42, 3}, {56, 4}, {70, 5}, {84, 6}, {98, 7}, {112, 8}, {126, 9}, {140, 10}, {999, -1}}}, {15, 15, {{0, 11}, {14, 12}, {28, 13}, {42, 14}, {56, 15}, {70, 16}, {84, 17}, {98, 18}, {112, 19}, {126, 20}, {140, 21}, {999, -1}}}, {30, 15, {{0, 22}, {19, 23}, {33, 24}, {47, 25}, {61, 26}, {75, 27}, {89, 28}, {103, 29}, {117, 30}, {131, 31}, {145, 32}, {999, -1}} }, {45, 15, {{0, 33}, {21, 34}, {36, 35}, {85, 36}, {103, 37}, {117, 38}, {131, 39}, {145, 40}, {999, -1}}} }; #define C(x) ((x)&0x1f) /* charcode mappings per kbd state*/ static short normal[SCANCODES] = { 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', BS, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', '-', '\r', CNTRL, 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', ';', SHIFT, INTL, ' ', NUM, '\'', '=', '\\', '/' }; static short control[SCANCODES] = { C('q'),C('w'),C('e'),C('r'),C('t'),C('y'),C('u'),C('i'),C('o'),C('p'),'\033', C('a'),C('s'),C('d'),C('f'),C('g'),C('h'),C('j'),C('k'),C('l'),C('_'),'\r', CNTRL,C('z'),C('x'),C('c'),C('v'),C('b'),C('n'),C('m'),C('\\'),C(']'),C('^'), SHIFT,INTL,' ',NUM,NONE,NONE,NONE,'\177' }; static short shift[SCANCODES] = { 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', BS, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', '_', '\r', CNTRL, 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', ':', SHIFT, INTL, ' ', NUM, '"', '+', '|', '?' }; static short num[SCANCODES] = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', BS, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '\r', CNTRL, F1, F1+1, F1+2, F1+3, F1+4, F1+5, F1+6, F1+7, '`', '~', SHIFT, INTL, ' ', NUM, '[', ']', '{', '}'}; static char *fnkey[] = { "\033OP", "\033OQ", "\033OR", "\033OS", "\03315~", "\03317~", "\03318~", "\03319~", "\03320~", "\03321~" }; struct layout_state { char *filename; GR_IMAGE_HDR *imagehdr; short *scancode_translations; short sshift; short ctrl_layout, shift_layout, num_layout; }; /* auto-converted .bmp files for internal linking*/ extern GR_IMAGE_HDR image_keynorm; extern GR_IMAGE_HDR image_keyctrl; extern GR_IMAGE_HDR image_keyshft; extern GR_IMAGE_HDR image_keynum; static struct layout_state layout_states[] = { { /* 0 */ "keynorm.bmp", &image_keynorm, normal, 0, 2, 1, 3 }, { /* 1 */ "keyshft.bmp", &image_keyshft, shift, 0, 2, 0, 3 }, { /* 2 */ "keyctrl.bmp", &image_keyctrl, control, 1, /* ctrl is single shift*/ 0, 1, 3 }, { /* 3 */ "keynum.bmp", &image_keynum, num, 0, 2, 1, 0 } }; #define N_LAYOUT_STATES (sizeof(layout_states) / sizeof(layout_states[0])) static GR_WINDOW_ID w; static GR_GC_ID gc; /* graphics context for text */ static int current_layout = 0; #if DISKIMAGES static GR_IMAGE_ID layout_images[N_LAYOUT_STATES]; static int layout_images_loaded[N_LAYOUT_STATES]; #endif extern int KbdWrite(int c); extern int KbdOpen(void); extern void KbdClose(void); static void push_character(int c) { #if _SOFTKBD_DEBUG fprintf(stderr, "pushed %d (0x%x) '%c'\n", c, c, c); #endif KbdWrite(c); } static void display_layout(int layout) { #if DISKIMAGES #define LIBDIR "." /* "/etc/nxkbd.d" */ if (!layout_images_loaded[layout] ) { char buf[128]; /* * OK, load image on the server-side ;-) * DON'T check for errors ;( */ sprintf(buf, "%s/%s", LIBDIR, layout_states[layout].filename); layout_images[layout] = GrLoadImageFromFile(buf, 0); layout_images_loaded[layout] = 1; } GrDrawImageToFit(w, gc, 0, 0, -1, -1, layout_images[layout]); #else GrDrawImageBits(w, gc, 0, 0, layout_states[layout].imagehdr); #endif } static void process_scancode(int scancode) { int c; c = layout_states[current_layout].scancode_translations[scancode]; #if _SOFTKBD_DEBUG printf("scancode = %d ", scancode); printf("current_layout = %d ('%s'), scancode (translated) = %d\n", current_layout, layout_states[current_layout].filename, c); #endif switch (c) { default: if (c < 256) /* normal character*/ break; /* handle special functions*/ if (c >= F1 && c < F1+10) { char *p = fnkey[c-F1]; while (*p) push_character(*p++); return; } /* no action for NONE*/ if (c == NONE) return; fprintf(stderr, "nxkbd: key with unknown translation pressed\n"); return; case CNTRL: current_layout = layout_states[current_layout].ctrl_layout; display_layout(current_layout); return; case SHIFT: current_layout = layout_states[current_layout].shift_layout; display_layout(current_layout); return; case NUM: current_layout = layout_states[current_layout].num_layout; display_layout(current_layout); return; case INTL: #if _SOFTKBD_DEBUG printf("INTL not yet implemented\n"); #endif return; } if (layout_states[current_layout].sshift) { current_layout = 0; display_layout(current_layout); } push_character(c); } static void mouse_hit(int x, int y) { int row, column; for (row = 0; row < 4; row++) { if (y >= keyrows[row].yoffset && y < keyrows[row].yoffset+keyrows[row].height) { for (column = 0; column < 12; column++) { if (keyrows[row].columns[column].xoffset == 999) { fprintf(stderr, "off end of row\n"); return; } if (x < keyrows[row].columns[column + 1].xoffset) { int scancode = keyrows[row].columns[column].scancode; process_scancode(scancode); return; } } } } fprintf(stderr, "nxkbd: off bottom\n"); } int main(int argc, char* argv[]) { GR_EVENT event; /* current event */ GR_WM_PROPERTIES props; if (GrOpen() < 0) { fprintf(stderr, "nxkbd: cannot open graphics\n"); exit(1); } if (KbdOpen() < 0) { fprintf(stderr, "nxkbd: cannot open kbd named pipe\n"); #if 0 exit(1); #endif } #if !DISKIMAGES GrReqShmCmds(4096); /* fast image copy*/ #endif w = GrNewWindow(GR_ROOT_WINDOW_ID, 0, 0, BM_WIDTH, BM_HEIGHT, 0, WHITE, BLACK); GrSelectEvents(w, GR_EVENT_MASK_CLOSE_REQ | GR_EVENT_MASK_EXPOSURE | /*GR_EVENT_MASK_FOCUS_IN |*/ /*GR_EVENT_MASK_KEY_DOWN |*/ /* required for focus*/ GR_EVENT_MASK_BUTTON_DOWN); #if 0 /* this code fails when link-app-into-server */ //if (props.title) // can't free with link-into-server //free(props.title); /* title must be alloc'd and copied*/ //props.title = malloc(18); //if (props.title) //strcpy(props.title, TITLE); props.flags = GR_WM_FLAG_NORESIZE | /* don't let user resize window */ GR_WM_FLAG_NOBORDERS | /* don't draw any window borders */ GR_WM_FLAG_NOTITLEBAR | /* don't draw a title bar */ GR_WM_FLAG_NOFOCUS; /* don't set focus to this window*/ #endif props.flags = GR_WM_FLAGS_PROPS | GR_WM_FLAGS_TITLE; props.props = GR_WM_PROPS_NOFOCUS; props.props |= /*GR_WM_PROPS_NOMOVE |*/ GR_WM_PROPS_NORAISE | GR_WM_PROPS_BORDER | GR_WM_PROPS_CAPTION | GR_WM_PROPS_CLOSEBOX; props.title = TITLE; GrSetWMProperties(w, &props); GrMapWindow(w); gc = GrNewGC(); current_layout = 0; for (;;) { GrGetNextEvent(&event); switch(event.type) { case GR_EVENT_TYPE_CLOSE_REQ: #if DISKIMAGES { int i; for(i=0; i < N_LAYOUT_STATES; i++) { if( !layout_images_loaded[i] ) continue; GrFreeImage(layout_images[i]); } } #endif GrClose(); exit(0); /* no return*/ case GR_EVENT_TYPE_EXPOSURE: display_layout(current_layout); break; case GR_EVENT_TYPE_BUTTON_DOWN: mouse_hit(event.button.x, event.button.y); break; #if 0 case GR_EVENT_TYPE_FOCUS_IN: if (event.general.otherid != 1) { int lastfocus = event.general.otherid; GrSetFocus(lastfocus); } break; #endif } } /*NOTREACHED*/ return 0; }
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