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Diffstat (limited to 'apps/examples/nxtext/nxtext_popup.c')
-rw-r--r-- | apps/examples/nxtext/nxtext_popup.c | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/apps/examples/nxtext/nxtext_popup.c b/apps/examples/nxtext/nxtext_popup.c new file mode 100644 index 000000000..d219ce770 --- /dev/null +++ b/apps/examples/nxtext/nxtext_popup.c @@ -0,0 +1,348 @@ +/**************************************************************************** + * examples/nxtext/nxtext_popup.c + * + * Copyright (C) 2011 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 <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <semaphore.h> +#include <debug.h> +#include <errno.h> + +#include <nuttx/nx.h> +#include <nuttx/nxtk.h> + +#include "nxtext_internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +#define NBM_CACHE 8 +#define NGLYPH_CACHE 8 + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static void nxpu_redraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect, + bool morem, FAR void *arg); +static void nxpu_position(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size, + FAR const struct nxgl_point_s *pos, + FAR const struct nxgl_rect_s *bounds, + FAR void *arg); +#ifdef CONFIG_NX_MOUSE +static void nxpu_mousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos, + uint8_t buttons, FAR void *arg); +#endif + +#ifdef CONFIG_NX_KBD +static void nxpu_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch, + FAR void *arg) +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static const struct nx_callback_s g_pucb = +{ + nxpu_redraw, /* redraw */ + nxpu_position /* position */ +#ifdef CONFIG_NX_MOUSE + , nxpu_mousein /* mousein */ +#endif +#ifdef CONFIG_NX_KBD + , nxpu_kbdin /* my kbdin */ +#endif +}; + +static struct nxtext_state_s g_pustate; +#ifdef CONFIG_NX_KBD +static struct nxtext_bitmap_s g_pubm[NBM_CACHE]; +static struct nxtext_glyph_s g_puglyph[NGLYPH_CACHE]; +#endif + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxpu_setsize + ****************************************************************************/ + +static inline int nxpu_setsize(NXEGWINDOW hwnd, FAR struct nxgl_size_s *size) +{ + int ret = nx_setsize(hwnd, size); + if (ret < 0) + { + message("user_start: nx_setsize failed: %d\n", errno); + g_exitcode = NXEXIT_NXSETSIZE; + } + return ret; +} + +/**************************************************************************** + * Name: nxpu_setposition + ****************************************************************************/ + +static inline int nxpu_setposition(NXEGWINDOW hwnd, FAR struct nxgl_point_s *pos) +{ + int ret = nx_setposition(hwnd, pos); + if (ret < 0) + { + message("user_start: nx_setposition failed: %d\n", errno); + g_exitcode = NXEXIT_NXSETPOSITION; + } + return ret; +} + +/**************************************************************************** + * Name: nxpu_fillwindow + ****************************************************************************/ + +static inline void nxpu_fillwindow(NXEGWINDOW hwnd, + FAR const struct nxgl_rect_s *rect, + FAR struct nxtext_state_s *st) +{ + int ret; + int i; + + ret = nx_fill(hwnd, rect, st->color); + if (ret < 0) + { + message("nxpu_fillwindow: nx_fill failed: %d\n", errno); + } + + /* Fill each character on the display (Only the characters within rect + * will actually be redrawn). + */ + + nxtext_home(st); + for (i = 0; i < st->nchars; i++) + { + nxtext_fillchar(hwnd, rect, &st->bm[i]); + } +} + +/**************************************************************************** + * Name: nxpu_redraw + ****************************************************************************/ + +static void nxpu_redraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect, + bool more, FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxpu_redraw: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n", + hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y, + more ? "true" : "false"); + + nxpu_fillwindow(hwnd, rect, st); +} + +/**************************************************************************** + * Name: nxpu_position + ****************************************************************************/ + +static void nxpu_position(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size, + FAR const struct nxgl_point_s *pos, + FAR const struct nxgl_rect_s *bounds, + FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + + /* Report the position */ + + message("nxpu_position: hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n", + hwnd, size->w, size->h, pos->x, pos->y, + bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y); + + /* Save the window size */ + + st->wsize.w = size->w; + st->wsize.h = size->h; +} + +/**************************************************************************** + * Name: nxpu_mousein + ****************************************************************************/ + +#ifdef CONFIG_NX_MOUSE +static void nxpu_mousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos, + uint8_t buttons, FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxpu_mousein: hwnd=%p pos=(%d,%d) button=%02x\n", + hwnd, pos->x, pos->y, buttons); +} +#endif + +/**************************************************************************** + * Name: nxpu_puts + ****************************************************************************/ + +static inline void nxpu_puts(NXWINDOW hwnd, FAR struct nxtext_state_s *st, + uint8_t nch, FAR const uint8_t *ch) +{ + nxtext_home(st); + while (nch--) + { + nxtext_putc(hwnd, st, *ch++); + } +} + +/**************************************************************************** + * Name: nxpu_kbdin + ****************************************************************************/ + +#ifdef CONFIG_NX_KBD +static void nxpu_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch, + FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxpu_kbdin: hwnd=%p nch=%d\n", hwnd, nch); + nxpu_puts(hwnd, st, nch, ch); +} +#endif + +/**************************************************************************** + * Name: nxpu_initstate + ****************************************************************************/ + +static inline void nxpu_initstate(void) +{ +#ifdef CONFIG_NX_KBD + FAR const struct nx_font_s *fontset; +#endif + + /* Initialize the color (used for redrawing the window) */ + + memset(&g_gbstate, 0, sizeof(struct nxtext_state_s)); + g_pustate.wcolor[0] = CONFIG_EXAMPLES_NXTEXT_PUCOLOR; + g_pustate.fcolor[0] = CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR; + + /* Get information about the font set being used and save this in the + * state structure + */ + +#ifdef CONFIG_NX_KBD + fontset = nxf_getfontset(); + g_pustate.fheight = fontset->mxheight; + g_pustate.fwidth = fontset->mxwidth; + g_pustate.spwidth = fontset->spwidth; + + /* Set up the text caches */ + + g_pustate.maxchars = NBM_CACHE; + g_pustate.maxglyphs = NGLYPH_CACHE; + g_pustate.bm = g_pubm; + g_pustate.glyph = g_puglyph; + + /* Set the first display position */ + + nxtext_home(st); +#endif +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxpu_open + ****************************************************************************/ + +NXEGWINDOW nxpu_open(void) +{ + NXEGWINDOW hwnd; + struct nxgl_size_s size; + struct nxgl_point_s pt; + + /* Create a pop-up window */ + + message("user_start: Create pop-up\n"); + nxpu_initstate(); + + hwnd = nx_openwindow(g_hnx, cb, (FAR void *)state); + message("user_start: hwnd=%p\n", hwnd); + + if (!hwnd) + { + message("user_start: nx_openwindow failed: %d\n", errno); + g_exitcode = NXEXIT_NXOPENWINDOW; + goto errout_with_bkgd; + } + + /* Set the size of the pop-up window */ + + size.w = g_xres / 4; + size.h = g_yres / 4; + + message("user_start: Set pop-up size to (%d,%d)\n", size.w, size.h); + ret = nxpu_setsize(hwnd, &g_pustate.size); + if (ret < 0) + { + goto errout_with_hwnd; + } + + /* Set a random position for pop-up */ + + pt.x = ((uint32_t)(g_xres - size.w) * rand()) >> 16; + pt.y = ((uint32_t)(g_yres - size.h) * rand()) >> 16; + + message("user_start: Set pop-up postion to (%d,%d)\n", pt.x, pt.y); + ret = nxpu_setposition(hwnd, &pt); + if (ret < 0) + { + goto errout_with_hwnd; + } + + return hwnd; +} + |