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-rw-r--r--nuttx/examples/nx/nx_kbdin.c467
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diff --git a/nuttx/examples/nx/nx_kbdin.c b/nuttx/examples/nx/nx_kbdin.c
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--- a/nuttx/examples/nx/nx_kbdin.c
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-/****************************************************************************
- * examples/nx/nx_kbdin.c
- *
- * Copyright (C) 2008, 2010 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <debug.h>
-#include <errno.h>
-
-#include <nuttx/nx.h>
-#include <nuttx/nxtk.h>
-#include <nuttx/nxfonts.h>
-
-#include "nx_internal.h"
-
-#ifdef CONFIG_NX_KBD
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/* Select renderer -- Some additional logic would be required to support
- * pixel depths that are not directly addressable (1,2,4, and 24).
- */
-
-#if CONFIG_EXAMPLES_NX_BPP == 1
-# define RENDERER nxf_convert_1bpp
-#elif CONFIG_EXAMPLES_NX_BPP == 2
-# define RENDERER nxf_convert_2bpp
-#elif CONFIG_EXAMPLES_NX_BPP == 4
-# define RENDERER nxf_convert_4bpp
-#elif CONFIG_EXAMPLES_NX_BPP == 8
-# define RENDERER nxf_convert_8bpp
-#elif CONFIG_EXAMPLES_NX_BPP == 16
-# define RENDERER nxf_convert_16bpp
-#elif CONFIG_EXAMPLES_NX_BPP == 24
-# define RENDERER nxf_convert_24bpp
-#elif CONFIG_EXAMPLES_NX_BPP == 32
-# define RENDERER nxf_convert_32bpp
-#else
-# error "Unsupported CONFIG_EXAMPLES_NX_BPP"
-#endif
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Public Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: nxeg_fillchar
- ****************************************************************************/
-
-static void nxeg_fillchar(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
- FAR const struct nxeg_bitmap_s *bm)
-{
- FAR void *src = (FAR void *)bm->glyph->bitmap;
- struct nxgl_rect_s intersection;
- int ret;
-
- /* Handle the special case of spaces which have no glyph bitmap */
-
- if (src)
- {
- /* Get the intersection of the redraw region and the characer bitmap */
-
- nxgl_rectintersect(&intersection, rect, &bm->bounds);
- if (!nxgl_nullrect(&intersection))
- {
-#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
- ret = nxtk_bitmapwindow((NXTKWINDOW)hwnd, &intersection, &src,
- &bm->bounds.pt1,
- (unsigned int)bm->glyph->stride);
- if (ret < 0)
- {
- message("nxeg_fillchar: nxtk_bitmapwindow failed: %d\n", errno);
- }
-#else
- ret = nx_bitmap((NXWINDOW)hwnd, &intersection, &src,
- &bm->bounds.pt1,
- (unsigned int)bm->glyph->stride);
- if (ret < 0)
- {
- message("nxeg_fillchar: nx_bitmapwindow failed: %d\n", errno);
- }
-#endif
- }
- }
-}
-
-/****************************************************************************
- * Name: nxeg_renderglyph
- ****************************************************************************/
-
-static inline FAR const struct nxeg_glyph_s *
-nxeg_renderglyph(FAR struct nxeg_state_s *st,
- FAR const struct nx_fontbitmap_s *bm, uint8_t ch)
-{
- FAR struct nxeg_glyph_s *glyph = NULL;
- FAR nxgl_mxpixel_t *ptr;
-#if CONFIG_EXAMPLES_NX_BPP < 8
- nxgl_mxpixel_t pixel;
-#endif
- int bmsize;
- int row;
- int col;
- int ret;
-
- /* Make sure that there is room for another glyph */
-
- message("nxeg_renderglyph: ch=%02x\n", ch);
- if (st->nglyphs < NXTK_MAXKBDCHARS)
- {
- /* Allocate the glyph */
-
- glyph = &st->glyph[st->nglyphs];
- glyph->code = ch;
-
- /* Get the dimensions of the glyph */
-
- glyph->width = bm->metric.width + bm->metric.xoffset;
- glyph->height = bm->metric.height + bm->metric.yoffset;
-
- /* Allocate memory to hold the glyph with its offsets */
-
- glyph->stride = (glyph->width * CONFIG_EXAMPLES_NX_BPP + 7) / 8;
- bmsize = glyph->stride * glyph->height;
- glyph->bitmap = (FAR uint8_t *)malloc(bmsize);
-
- if (glyph->bitmap)
- {
- /* Initialize the glyph memory to the background color */
-
-#if CONFIG_EXAMPLES_NX_BPP < 8
- pixel = st->color[0];
-# if CONFIG_EXAMPLES_NX_BPP == 1
- /* Pack 1-bit pixels into a 2-bits */
-
- pixel &= 0x01;
- pixel = (pixel) << 1 |pixel;
-# endif
-# if CONFIG_EXAMPLES_NX_BPP < 4
- /* Pack 2-bit pixels into a nibble */
-
- pixel &= 0x03;
- pixel = (pixel) << 2 |pixel;
-# endif
-
- /* Pack 4-bit nibbles into a byte */
-
- pixel &= 0x0f;
- pixel = (pixel) << 4 | pixel;
-
- ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
- for (row = 0; row < glyph->height; row++)
- {
- for (col = 0; col < glyph->stride; col++)
- {
- /* Transfer the packed bytes into the buffer */
-
- *ptr++ = pixel;
- }
- }
-
-#elif CONFIG_EXAMPLES_NX_BPP == 24
-# error "Additional logic is needed here for 24bpp support"
-
-#else /* CONFIG_EXAMPLES_NX_BPP = {8,16,32} */
-
- ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
- for (row = 0; row < glyph->height; row++)
- {
- /* Just copy the color value into the glyph memory */
-
- for (col = 0; col < glyph->width; col++)
- {
- *ptr++ = st->color[0];
- }
- }
-#endif
-
- /* Then render the glyph into the allocated memory */
-
- ret = RENDERER((FAR nxgl_mxpixel_t*)glyph->bitmap,
- glyph->height, glyph->width, glyph->stride,
- bm, CONFIG_EXAMPLES_NX_FONTCOLOR);
- if (ret < 0)
- {
- /* Actually, the RENDERER never returns a failure */
-
- message("nxeg_renderglyph: RENDERER failed\n");
- free(glyph->bitmap);
- glyph->bitmap = NULL;
- glyph = NULL;
- }
- else
- {
- /* Make it permanent */
-
- st->nglyphs++;
- }
- }
- }
-
- return glyph;
-}
-
-/****************************************************************************
- * Name: nxeg_addspace
- ****************************************************************************/
-
-static inline FAR const struct nxeg_glyph_s *
-nxeg_addspace(FAR struct nxeg_state_s *st, uint8_t ch)
-{
- FAR struct nxeg_glyph_s *glyph = NULL;
-
- /* Make sure that there is room for another glyph */
-
- if (st->nglyphs < NXTK_MAXKBDCHARS)
- {
- /* Allocate the NULL glyph */
-
- glyph = &st->glyph[st->nglyphs];
- memset(glyph, 0, sizeof(struct nxeg_glyph_s));
-
- glyph->code = ' ';
- glyph->width = st->spwidth;
-
- st->nglyphs++;
- }
- return glyph;
-}
-
-/****************************************************************************
- * Name: nxeg_findglyph
- ****************************************************************************/
-
-static FAR const struct nxeg_glyph_s *
-nxeg_findglyph(FAR struct nxeg_state_s *st, uint8_t ch)
-{
- int i;
-
- /* First, try to find the glyph in the cache of pre-rendered glyphs */
-
- for (i = 0; i < st->nglyphs; i++)
- {
- if (st->glyph[i].code == ch)
- {
- return &st->glyph[i];
- }
- }
- return NULL;
-}
-
-/****************************************************************************
- * Name: nxeg_getglyph
- ****************************************************************************/
-
-static FAR const struct nxeg_glyph_s *
-nxeg_getglyph(FAR struct nxeg_state_s *st, uint8_t ch)
-{
- FAR const struct nxeg_glyph_s *glyph;
- FAR const struct nx_fontbitmap_s *bm;
-
- /* First, try to find the glyph in the cache of pre-rendered glyphs */
-
- glyph = nxeg_findglyph(st, ch);
- if (!glyph)
- {
- /* No, it is not cached... Does the code map to a glyph? */
-
- bm = nxf_getbitmap(ch);
- if (!bm)
- {
- /* No, there is no glyph for this code. Use space */
-
- glyph = nxeg_findglyph(st, ' ');
- if (!glyph)
- {
- /* There isn't fake glyph for ' ' yet... create one */
-
- glyph = nxeg_addspace(st, ' ');
- }
- }
- else
- {
- glyph = nxeg_renderglyph(st, bm, ch);
- }
- }
- return glyph;
-}
-
-/****************************************************************************
- * Name: nxeg_addchar
- ****************************************************************************/
-
-static FAR const struct nxeg_bitmap_s *
-nxeg_addchar(FAR struct nxeg_state_s *st, uint8_t ch)
-{
- FAR struct nxeg_bitmap_s *bm = NULL;
- FAR struct nxeg_bitmap_s *bmleft;
- nxgl_coord_t leftx;
-
- /* Is there space for another character on the display? */
-
- if (st->nchars < NXTK_MAXKBDCHARS)
- {
- /* Yes, setup the bitmap */
-
- bm = &st->bm[st->nchars];
-
- /* Find the matching glyph */
-
- bm->glyph = nxeg_getglyph(st, ch);
- if (!bm->glyph)
- {
- return NULL;
- }
-
- /* Set up the bounds for the bitmap */
-
- if (st->nchars <= 0)
- {
- /* The first character is one space from the left */
-
- leftx = st->spwidth;
- }
- else
- {
- /* Otherwise, it is to the left of the preceding char */
-
- bmleft = &st->bm[st->nchars-1];
- leftx = bmleft->bounds.pt2.x + 1;
- }
-
- bm->bounds.pt1.x = leftx;
- bm->bounds.pt1.y = 2;
- bm->bounds.pt2.x = leftx + bm->glyph->width - 1;
- bm->bounds.pt2.y = 2 + bm->glyph->height - 1;
-
- st->nchars++;
- }
- return bm;
-}
-
-/****************************************************************************
- * Name: nxeg_addchars
- ****************************************************************************/
-
-static inline void nxeg_addchars(NXWINDOW hwnd, FAR struct nxeg_state_s *st,
- uint8_t nch, FAR const uint8_t *ch)
-{
- FAR const struct nxeg_bitmap_s *bm;
-
- while (nch--)
- {
- bm = nxeg_addchar(st, *ch++);
- if (bm)
- {
- nxeg_fillchar(hwnd, &bm->bounds, bm);
- }
- }
-}
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: nxeg_kbdin
- ****************************************************************************/
-
-void nxeg_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
- FAR void *arg)
-{
- FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
- message("nxeg_kbdin%d: hwnd=%p nch=%d\n", st->wnum, hwnd, nch);
- nxeg_addchars(hwnd, st, nch, ch);
-}
-
-/****************************************************************************
- * Name: nxeg_tbkbdin
- ****************************************************************************/
-
-#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
-void nxeg_tbkbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch, FAR void *arg)
-{
- FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
- message("nxeg_tbkbdin: ERROR -- toolbar should not received keyboard input\n");
- message("nxeg_tbkbdin%d: hwnd=%p nch=%d\n", st->wnum, hwnd, nch);
-}
-#endif
-
-/****************************************************************************
- * Name: nxeg_tbkbdin
- ****************************************************************************/
-
-void nxeg_filltext(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
- FAR struct nxeg_state_s *st)
-{
- int i;
-
- /* Fill each character on the display (Only the characters within rect
- * will actually be redrawn).
- */
-
- for (i = 0; i < st->nchars; i++)
- {
- nxeg_fillchar(hwnd, rect, &st->bm[i]);
- }
-}
-
-#endif /* CONFIG_NX_KBD */
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