forked from len0rd/rockbox
PDBox: Added GUI.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22147 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Wincent Balin
parent
218b31272e
commit
bec80ca7dd
4 changed files with 925 additions and 17 deletions
809
apps/plugins/pdbox/pdbox-gui.c
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809
apps/plugins/pdbox/pdbox-gui.c
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2009 Wincent Balin
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "plugin.h"
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#include "pdbox.h"
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#include "lib/xlcd.h"
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/* Declare back- and foreground colors. */
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#define BGCOLOR (LCD_BLACK)
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#define FGCOLOR (LCD_WHITE)
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/* Button colors. */
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#define BTNCOLOR_DARK (LCD_DARKGRAY)
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#define BTNCOLOR_LIGHT (LCD_LIGHTGRAY)
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/* Variables in the main code. */
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extern char* filename;
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extern bool quit;
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/* Screen multiplier. */
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static float screen_multiplier;
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/* Displacement of the slanted corner in the contour of the number widget. */
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static int number_corner;
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/* Button flags. */
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static bool play_on;
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static bool previous_on;
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static bool next_on;
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static bool menu_on;
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static bool action_on;
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/* Pause flag. */
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static bool paused;
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/* Draw circle using midpoint circle algorithm.
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Adapted from http://en.wikipedia.org/wiki/Midpoint_circle_algorithm. */
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void drawcircle(int x, int y, int r)
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{
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int f = 1 - r;
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int ddfx = 1;
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int ddfy = -2 * r;
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int xp = 0;
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int yp = r;
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/* Draw outer points. */
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rb->lcd_drawpixel(x, y + r);
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rb->lcd_drawpixel(x, y + r);
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rb->lcd_drawpixel(x + r, y);
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rb->lcd_drawpixel(x - r, y);
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/* Calculate coordinates of points in one octant. */
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while(xp < yp)
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{
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/* ddfx == 2 * xp + 1;
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ddfy == -2 * yp;
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f == xp*xp + yp*yp - r*r + 2*xp - yp + 1; */
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if(f >= 0)
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{
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yp--;
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ddfy += 2;
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f += ddfy;
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}
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xp++;
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ddfx += 2;
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f += ddfx;
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/* Draw pixels in all octants. */
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rb->lcd_drawpixel(x + xp, y + yp);
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rb->lcd_drawpixel(x + xp, y - yp);
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rb->lcd_drawpixel(x - xp, y + yp);
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rb->lcd_drawpixel(x - xp, y - yp);
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rb->lcd_drawpixel(x + yp, y + xp);
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rb->lcd_drawpixel(x + yp, y - xp);
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rb->lcd_drawpixel(x - yp, y + xp);
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rb->lcd_drawpixel(x - yp, y - xp);
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}
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}
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/* Fill circle. */
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void fillcircle(int x, int y, int r)
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{
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int f = 1 - r;
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int ddfx = 1;
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int ddfy = -2 * r;
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int xp = 0;
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int yp = r;
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/* Draw outer points. */
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rb->lcd_drawpixel(x, y + r);
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rb->lcd_drawpixel(x, y + r);
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rb->lcd_drawpixel(x + r, y);
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rb->lcd_drawpixel(x - r, y);
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/* Calculate coordinates of points in one octant. */
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while(xp < yp)
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{
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/* ddfx == 2 * xp + 1;
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ddfy == -2 * yp;
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f == xp*xp + yp*yp - r*r + 2*xp - yp + 1; */
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if(f >= 0)
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{
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yp--;
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ddfy += 2;
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f += ddfy;
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}
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xp++;
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ddfx += 2;
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f += ddfx;
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/* Fill circle with horizontal lines. */
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rb->lcd_hline(x - xp, x + xp, y - yp);
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rb->lcd_hline(x - xp, x + xp, y + yp);
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rb->lcd_hline(x - yp, x + yp, y - xp);
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rb->lcd_hline(x - yp, x + yp, y + xp);
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}
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/* Draw last horizontal line (central one). */
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rb->lcd_hline(x - r, x + r, y);
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}
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/* Initialize GUI. */
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void pd_gui_init(void)
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{
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/* Reset button flags. */
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play_on = false;
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previous_on = false;
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next_on = false;
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menu_on = false;
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action_on = false;
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/* Unpause Pure Data. */
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paused = false;
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/* Calculate dimension factors. */
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screen_multiplier = ((float) LCD_WIDTH) / 160.0f;
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number_corner = 5 * screen_multiplier;
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/* Set back- and foreground color. */
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rb->lcd_set_background(BGCOLOR);
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rb->lcd_set_foreground(FGCOLOR);
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/* Clear background. */
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rb->lcd_clear_display();
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/* Update display. */
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rb->lcd_update();
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}
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/* Load PD patch. */
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unsigned int pd_gui_load_patch(struct pd_widget* wg, unsigned int max_widgets)
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{
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int fd;
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char line[100];
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char* saveptr;
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unsigned int widgets = 0;
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/* Open PD patch. */
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fd = open(filename, O_RDONLY);
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/* Check for I/O error. */
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if(!fd)
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{
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/* Show error message and make plug-in quit. */
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rb->splash(HZ, "Error opening .pd file!");
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quit = true;
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return 0;
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}
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/* Read lines from PD file. */
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while(rb->read_line(fd, line, sizeof(line)) > 0)
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{
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/* Check whether we got too many widgets. */
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if(widgets >= max_widgets)
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{
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rb->splash(HZ, "Too many widgets!");
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quit = true;
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return 0;
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}
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/* Search for key strings in the line. */
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if((strstr(line, "floatatom") != NULL) &&
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(strstr(line, "pod_") != NULL))
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{
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wg->id = PD_NUMBER;
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strtok_r(line, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->x = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->y = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->w = 7 * atoi(strtok_r(NULL, " ", &saveptr)) *
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screen_multiplier;
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wg->h = 16 * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strncpy(wg->name, strtok_r(NULL, " ", &saveptr), sizeof(wg->name));
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/* We got one more widget. */
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wg++;
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widgets++;
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}
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else if((strstr(line, "symbolatom") != NULL) &&
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(strstr(line, "pod_") != NULL))
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{
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wg->id = PD_SYMBOL;
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strtok_r(line, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->x = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->y = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->w = 7 * atoi(strtok_r(NULL, " ", &saveptr)) *
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screen_multiplier;
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wg->h = 16 * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strncpy(wg->name, strtok_r(NULL, " ", &saveptr), sizeof(wg->name));
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/* We got one more widget. */
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wg++;
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widgets++;
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}
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else if((strstr(line, "vsl") != NULL) &&
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(strstr(line, "pod_") != NULL))
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{
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wg->id = PD_VSLIDER;
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strtok_r(line, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->x = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->y = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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wg->w = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->h = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->min = atoi(strtok_r(NULL, " ", &saveptr));
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wg->max = atoi(strtok_r(NULL, " ", &saveptr));
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strncpy(wg->name, strtok_r(NULL, " ", &saveptr), sizeof(wg->name));
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/* We got one more widget. */
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wg++;
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widgets++;
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}
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else if((strstr(line, "hsl") != NULL) &&
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(strstr(line, "pod_") != NULL))
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{
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wg->id = PD_HSLIDER;
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strtok_r(line, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->x = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->y = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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wg->w = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->h = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->min = atoi(strtok_r(NULL, " ", &saveptr));
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wg->max = atoi(strtok_r(NULL, " ", &saveptr));
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strncpy(wg->name, strtok_r(NULL, " ", &saveptr), sizeof(wg->name));
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/* We got one more widget. */
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wg++;
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widgets++;
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}
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else if((strstr(line, "vradio") != NULL) &&
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(strstr(line, "pod_") != NULL))
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{
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wg->id = PD_VRADIO;
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strtok_r(line, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->x = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->y = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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wg->w = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->min = 0;
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wg->max = atoi(strtok_r(NULL, " ", &saveptr));
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wg->h = wg->w * wg->max;
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strtok_r(NULL, " ", &saveptr);
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strncpy(wg->name, strtok_r(NULL, " ", &saveptr), sizeof(wg->name));
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wg->max--;
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/* We got one more widget. */
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wg++;
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widgets++;
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}
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else if((strstr(line, "hradio") != NULL) &&
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(strstr(line, "pod_") != NULL))
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{
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wg->id = PD_HRADIO;
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strtok_r(line, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->x = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->y = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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wg->h = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->min = 0;
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wg->max = atoi(strtok_r(NULL, " ", &saveptr));
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wg->w = wg->h * wg->max;
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strtok_r(NULL, " ", &saveptr);
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strncpy(wg->name, strtok_r(NULL, " ", &saveptr), sizeof(wg->name));
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wg->max--;
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/* We got one more widget. */
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wg++;
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widgets++;
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}
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else if((strstr(line, "bng") != NULL) &&
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(strstr(line, "pod_") != NULL))
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{
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wg->id = PD_BANG;
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strtok_r(line, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->x = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->y = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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strtok_r(NULL, " ", &saveptr);
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wg->w = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->h = wg->w;
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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strncpy(wg->name, strtok_r(NULL, " ", &saveptr), sizeof(wg->name));
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wg->min = 0;
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wg->max = 1;
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/* Clear timeout flag. */
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wg->timeout = 0;
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/* We got one more widget. */
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wg++;
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widgets++;
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}
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else if(strstr(line, "text") != NULL)
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{
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wg->id = PD_TEXT;
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strtok_r(line, " ", &saveptr);
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strtok_r(NULL, " ", &saveptr);
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wg->x = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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wg->y = atoi(strtok_r(NULL, " ", &saveptr)) * screen_multiplier;
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strncpy(wg->name, strtok_r(NULL, " ", &saveptr), sizeof(wg->name));
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char* w = strtok_r(NULL, " ", &saveptr);
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while(w != NULL)
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{
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strcat(wg->name, w);
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strcat(wg->name, " ");
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w = strtok_r(NULL, " ", &saveptr);
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}
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/* Cut off unneeded characters (';' and '\n'). */
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int namelen = strlen(wg->name);
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if(namelen > 1)
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{
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/* Cut off '\n'. */
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wg->name[namelen-1] = '\0';
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namelen--;
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/* Cut the last semi-colon, if there is one. */
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if(wg->name[namelen-1] == ';')
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wg->name[namelen-1] = '\0';
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}
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/* We got one more widget. */
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wg++;
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widgets++;
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}
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}
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/* Close PD patch. */
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close(fd);
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/* Return amount of loaded widgets. */
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return widgets;
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}
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/* Draw standard user interface. */
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void pd_gui_draw_standard(void)
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{
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/* Draw main circle. */
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rb->lcd_set_foreground(FGCOLOR);
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fillcircle(LCD_WIDTH / 2,
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LCD_HEIGHT / 2,
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2 * MIN(LCD_WIDTH, LCD_HEIGHT) / 5);
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/* Draw center circle. */
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rb->lcd_set_foreground(action_on ? BTNCOLOR_DARK : BTNCOLOR_LIGHT);
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fillcircle(LCD_WIDTH / 2,
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LCD_HEIGHT / 2,
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MIN(LCD_WIDTH, LCD_HEIGHT) / 8);
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/* Draw pressed buttons. */
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if(play_on)
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fillcircle(LCD_WIDTH / 2,
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3 * LCD_HEIGHT / 4,
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MIN(LCD_WIDTH, LCD_HEIGHT) / 8);
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if(previous_on)
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fillcircle(LCD_WIDTH / 3,
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LCD_HEIGHT / 2,
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MIN(LCD_WIDTH, LCD_HEIGHT) / 8);
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if(next_on)
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fillcircle(2 * LCD_WIDTH / 3 + 1,
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LCD_HEIGHT / 2,
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MIN(LCD_WIDTH, LCD_HEIGHT) / 8);
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if(menu_on)
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fillcircle(LCD_WIDTH / 2,
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LCD_HEIGHT / 4,
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MIN(LCD_WIDTH, LCD_HEIGHT) / 8);
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/* Restore foreground color. */
|
||||
rb->lcd_set_foreground(FGCOLOR);
|
||||
}
|
||||
|
||||
/* Draw custom user interface. */
|
||||
void pd_gui_draw_custom(struct pd_widget* wg, unsigned int widgets)
|
||||
{
|
||||
unsigned int i;
|
||||
int j;
|
||||
int v;
|
||||
|
||||
for(i = 0; i < widgets; wg++, i++)
|
||||
{
|
||||
switch(wg->id)
|
||||
{
|
||||
case PD_BANG:
|
||||
/* Clear area to (re-)draw. */
|
||||
rb->lcd_set_foreground(BGCOLOR);
|
||||
rb->lcd_fillrect(wg->x, wg->y, wg->w, wg->h);
|
||||
rb->lcd_set_foreground(FGCOLOR);
|
||||
/* Draw border (rectangle). */
|
||||
rb->lcd_drawrect(wg->x, wg->y, wg->w, wg->h);
|
||||
/* Draw button (circle), being filled depending on value. */
|
||||
if(((int) wg->value) == 0) /* Button not pressed. */
|
||||
drawcircle(wg->x + wg->w/2,
|
||||
wg->y + wg->w/2,
|
||||
wg->w/2 - 1);
|
||||
else /* Button pressed. */
|
||||
fillcircle(wg->x + wg->w/2,
|
||||
wg->y + wg->w/2,
|
||||
wg->w/2 - 1);
|
||||
break;
|
||||
|
||||
case PD_VSLIDER:
|
||||
/* Clear area to (re-)draw. */
|
||||
rb->lcd_set_foreground(BGCOLOR);
|
||||
rb->lcd_fillrect(wg->x, wg->y, wg->w, wg->h);
|
||||
rb->lcd_set_foreground(FGCOLOR);
|
||||
/* Draw border. */
|
||||
rb->lcd_drawrect(wg->x, wg->y, wg->w, wg->h);
|
||||
/* Draw slider. */
|
||||
v = ((float) wg->h / (wg->max - wg->min)) *
|
||||
(wg->max - wg->value);
|
||||
rb->lcd_fillrect(wg->x, wg->y + v, wg->w, 2);
|
||||
break;
|
||||
|
||||
case PD_HSLIDER:
|
||||
/* Clear area to (re-)draw. */
|
||||
rb->lcd_set_foreground(BGCOLOR);
|
||||
rb->lcd_fillrect(wg->x, wg->y, wg->w, wg->h);
|
||||
rb->lcd_set_foreground(FGCOLOR);
|
||||
/* Draw border. */
|
||||
rb->lcd_drawrect(wg->x, wg->y, wg->w, wg->h);
|
||||
/* Draw slider. */
|
||||
v = ((float) wg->w / (wg->max - wg->min)) *
|
||||
(wg->max - wg->value);
|
||||
rb->lcd_fillrect(wg->x + wg->w - v, wg->y, 2, wg->h);
|
||||
break;
|
||||
|
||||
case PD_HRADIO:
|
||||
/* Clear area to (re-)draw. */
|
||||
rb->lcd_set_foreground(BGCOLOR);
|
||||
rb->lcd_fillrect(wg->x, wg->y, wg->w, wg->h);
|
||||
rb->lcd_set_foreground(FGCOLOR);
|
||||
for(j = 0; j < wg->w / wg->h; j++)
|
||||
{
|
||||
/* Draw border. */
|
||||
rb->lcd_drawrect(wg->x + wg->h * j, wg->y, wg->h, wg->h);
|
||||
/* If marked, draw button. */
|
||||
if(((int) wg->value) == j)
|
||||
rb->lcd_fillrect(wg->x + wg->h * j + 2, wg->y + 2,
|
||||
wg->h - 4, wg->h - 4);
|
||||
}
|
||||
break;
|
||||
|
||||
case PD_VRADIO:
|
||||
/* Clear area to (re-)draw. */
|
||||
rb->lcd_set_foreground(BGCOLOR);
|
||||
rb->lcd_fillrect(wg->x, wg->y, wg->w, wg->h);
|
||||
rb->lcd_set_foreground(FGCOLOR);
|
||||
for(j = 0; j < wg->h / wg->w; j++)
|
||||
{
|
||||
/* Draw border. */
|
||||
rb->lcd_drawrect(wg->x, wg->y + wg->w * j, wg->w, wg->w);
|
||||
/* If marked, draw button. */
|
||||
if(((int) wg->value) == j)
|
||||
rb->lcd_fillrect(wg->x + 2, wg->y + wg->w * j + 2,
|
||||
wg->w - 4, wg->w - 4);
|
||||
}
|
||||
break;
|
||||
|
||||
case PD_NUMBER:
|
||||
rb->lcd_hline(wg->x,
|
||||
wg->x + wg->w - number_corner,
|
||||
wg->y);
|
||||
rb->lcd_drawline(wg->x + wg->w - number_corner,
|
||||
wg->y,
|
||||
wg->x + wg->w,
|
||||
wg->y + number_corner);
|
||||
rb->lcd_vline(wg->x + wg->w,
|
||||
wg->y + number_corner,
|
||||
wg->y + wg->h);
|
||||
rb->lcd_hline(wg->x,
|
||||
wg->x + wg->w,
|
||||
wg->y + wg->h);
|
||||
rb->lcd_vline(wg->x,
|
||||
wg->y,
|
||||
wg->y + wg->h);
|
||||
char sbuf[12];
|
||||
ftoan(wg->value, sbuf, 12);
|
||||
rb->lcd_putsxy(wg->x + 2, wg->y + 2, sbuf);
|
||||
break;
|
||||
|
||||
case PD_TEXT:
|
||||
rb->lcd_putsxy(wg->x + 2, wg->y, wg->name);
|
||||
break;
|
||||
|
||||
case PD_SYMBOL:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Draw the GUI. */
|
||||
void pd_gui_draw(struct pd_widget* wg, unsigned int widgets)
|
||||
{
|
||||
/* Draw GUI. */
|
||||
if(widgets == 0)
|
||||
pd_gui_draw_standard();
|
||||
else
|
||||
pd_gui_draw_custom(wg, widgets);
|
||||
|
||||
/* Update display. */
|
||||
rb->lcd_update();
|
||||
}
|
||||
|
||||
/* Parse buttons, if needed, send messages to the Pure Data code. */
|
||||
bool pd_gui_parse_buttons(unsigned int widgets)
|
||||
{
|
||||
static long last_bv = 0;
|
||||
long bv = rb->button_get(false);
|
||||
|
||||
/* Extract differences between current and previous button values. */
|
||||
long diff_bv = bv ^ last_bv;
|
||||
|
||||
/* If no difference since the last button value, return here. */
|
||||
if(diff_bv == 0)
|
||||
return false;
|
||||
|
||||
/* Query whether we have to quit. */
|
||||
if(bv == PDPOD_QUIT)
|
||||
{
|
||||
/* No need to send the quitting message to Pure Data core,
|
||||
as setting the quit flag ends threads and jumps
|
||||
to the cleanup code. */
|
||||
quit = true;
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Check the action (shift, mode) button. */
|
||||
if(diff_bv & PDPOD_ACTION)
|
||||
{
|
||||
if(bv & PDPOD_ACTION)
|
||||
{
|
||||
SEND_TO_CORE("b;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
action_on = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(widgets == 0)
|
||||
action_on = false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check play button. */
|
||||
if(diff_bv & PDPOD_PLAY)
|
||||
{
|
||||
if(bv & PDPOD_PLAY)
|
||||
{
|
||||
/* Action + play = pause. */
|
||||
if(action_on)
|
||||
{
|
||||
/* Switch paused state. */
|
||||
paused = !paused;
|
||||
SEND_TO_CORE(paused ? "p 1;\n" : "p 0;\n");
|
||||
}
|
||||
|
||||
if(!action_on && !paused)
|
||||
SEND_TO_CORE("d 1;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
play_on = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(!action_on && !paused)
|
||||
SEND_TO_CORE("d 0;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
play_on = false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check rewind (previous) button. */
|
||||
if(diff_bv & PDPOD_PREVIOUS)
|
||||
{
|
||||
if(bv & PDPOD_PREVIOUS)
|
||||
{
|
||||
if(!paused)
|
||||
SEND_TO_CORE("w 1;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
previous_on = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(!paused)
|
||||
SEND_TO_CORE("w 0;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
previous_on = false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check forward (next) button. */
|
||||
if(diff_bv & PDPOD_NEXT)
|
||||
{
|
||||
if(bv & PDPOD_NEXT)
|
||||
{
|
||||
if(!paused)
|
||||
SEND_TO_CORE("f 1;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
next_on = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(!paused)
|
||||
SEND_TO_CORE("f 0;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
next_on = false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check menu (select) button. */
|
||||
if(diff_bv & PDPOD_MENU)
|
||||
{
|
||||
if(bv & PDPOD_MENU)
|
||||
{
|
||||
if(!action_on && !paused)
|
||||
SEND_TO_CORE("m 1;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
menu_on = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(!action_on && !paused)
|
||||
SEND_TO_CORE("m 0;\n");
|
||||
|
||||
if(widgets == 0)
|
||||
menu_on = false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check scroll right (or up) button. */
|
||||
if(diff_bv & PDPOD_WHEELRIGHT)
|
||||
{
|
||||
if(bv & PDPOD_WHEELRIGHT)
|
||||
{
|
||||
SEND_TO_CORE(action_on ? "r 10;\n" : "r 1;\n");
|
||||
}
|
||||
}
|
||||
|
||||
/* Check scroll left (or down) button. */
|
||||
if(diff_bv & PDPOD_WHEELLEFT)
|
||||
{
|
||||
if(bv & PDPOD_WHEELLEFT)
|
||||
{
|
||||
SEND_TO_CORE(action_on ? "l 10;\n" : "l 1;\n");
|
||||
}
|
||||
}
|
||||
|
||||
/* Backup button value. */
|
||||
last_bv = bv;
|
||||
|
||||
/* GUI has to be updated. */
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Emulate timer for widgets which use time-out. */
|
||||
bool pd_gui_apply_timeouts(struct pd_widget* wg, unsigned int widgets)
|
||||
{
|
||||
unsigned int i;
|
||||
bool result = false;
|
||||
|
||||
for(i = 0; i < widgets; wg++, i++)
|
||||
{
|
||||
if(wg->id == PD_BANG)
|
||||
{
|
||||
if(wg->timeout > 0)
|
||||
{
|
||||
/* Decrement timeout value. */
|
||||
wg->timeout--;
|
||||
|
||||
/* If zero reached, clear value. */
|
||||
if(wg->timeout == 0)
|
||||
{
|
||||
wg->value = 0;
|
||||
result = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/* Parse and apply message from the Pure Data core. */
|
||||
void pd_gui_parse_message(struct datagram* dg,
|
||||
struct pd_widget* wg,
|
||||
unsigned int widgets)
|
||||
{
|
||||
unsigned int i;
|
||||
char* saveptr;
|
||||
char* object = NULL;
|
||||
char* argument = NULL;
|
||||
float argvalue = 0;
|
||||
|
||||
object = strtok_r(dg->data, " ", &saveptr);
|
||||
argument = strtok_r(NULL, " ;\n", &saveptr);
|
||||
|
||||
if(argument != NULL)
|
||||
argvalue = atof(argument);
|
||||
|
||||
for(i = 0; i < widgets; wg++, i++)
|
||||
{
|
||||
if(strncmp(object, wg->name, strlen(wg->name)) == 0)
|
||||
{
|
||||
/* If object not a number, set boundaries. */
|
||||
if(wg->id != PD_NUMBER)
|
||||
{
|
||||
if(argvalue > wg->max)
|
||||
argvalue = wg->max;
|
||||
else if(argvalue < wg->min)
|
||||
argvalue = wg->min;
|
||||
}
|
||||
|
||||
/* Set value. */
|
||||
if(wg->id == PD_BANG)
|
||||
{
|
||||
wg->value = 1;
|
||||
wg->timeout = HZ / 10;
|
||||
}
|
||||
else
|
||||
{
|
||||
wg->value = argvalue;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue