initgui.c

一个很好的SDL建立应用程序界面的例子

/*
 * GUI interface for Picstart Plus programmer
 * Copyright (C) 2004 by Jeffery L. Post
 * theposts<AT>pacbell<DOT>net
 *
 * initgui.c
 *
 * Version 0.0.8 - 07/23/04
 *
 *	This program 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 of the License, or
 *	(at your option) any later version.
 *
 *	This program 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

#include	<stdio.h>
#include	<stdlib.h>
#include	<malloc.h>
#include	<string.h>
#include	<ctype.h>
#include <unistd.h>
#include	<fcntl.h>
#include	<signal.h>
#include	<sys/stat.h>

#include	"picdev.h"
#include	"widgets.h"
#include	"gui.h"
#include	"fileselect.h"
#include	"deviceselect.h"

/////////////
//
// Code
//
/////////////

//////////////////////////////////
//
// Initialize all the widgets.
//
//////////////////////////////////

void initGUI(void)
{
	int		i;
	BUTTON	*btn = NULL;

	picProgramData = (unsigned char *) malloc(PIC_PROGRAM_SIZE);

	if (!picProgramData)
	{
		printf("Can't allocate space for PIC program data!\n");
		exit(1);
	}

	picProgramTemp = (unsigned char *) malloc(PIC_PROGRAM_SIZE);

	if (!picProgramTemp)
	{
		printf("Can't allocate space for PIC program temp buffer!\n");
		exit(1);
	}

	picDataBuffer = (unsigned char *) malloc(MAX_EEPROM_DATA_SIZE);

	if (!picDataBuffer)
	{
		printf("Can't allocate space for PIC data memory buffer!\n");
		exit(1);
	}

	picDataTemp = (unsigned char *) malloc(MAX_EEPROM_DATA_SIZE);

	if (!picDataTemp)
	{
		printf("Can't allocate space for PIC data memory temp buffer!\n");
		exit(1);
	}

	fileStr[0] = '\0';
	src[0] = '\0';
	fileName[0] = '\0';
	strcpy(fileExt, ".hex");

	menu1 = newMenu(0, 0, SCREEN_PIXEL_WIDTH, 16, black, yellow, lyellow, dyellow);
	btn = newButton(0, 0, 0, 0, 0, 0, "File ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &fileButtonCB);
	addButton(menu1, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Serial Port ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &portButtonCB);
	addButton(menu1, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Enable Programmer ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &enableButtonCB);
	addButton(menu1, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Device ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &selectDeviceCB);
	addButton(menu1, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Read ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &readButtonCB);
	addButton(menu1, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Help ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &helpButtonCB);
	addButton(menu1, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " About ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &aboutButtonCB);
	addButton(menu1, btn, FALSE);
	commDbgBox = newCheckBox(0, 0, 0, 0, 0, 0, "Log", &commdbg);
	attachCallBack(commDbgBox, SDL_MOUSEBUTTONDOWN, &logBoxCB);
	addCheckBox(menu1, commDbgBox, FALSE);
	showWidget(menu1);

	menu2 = newMenu(0, ROW_HEIGHT - 1, SCREEN_PIXEL_WIDTH, 16, black, yellow, lyellow, dyellow);
	btn = newButton(0, 0, 0, 0, 0, 0, "Write ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &programButtonCB);
	addButton(menu2, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Erase ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &eraseButtonCB);
	addButton(menu2, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Verify ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &verifyButtonCB);
	addButton(menu2, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Blank Check ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &blankButtonCB);
	addButton(menu2, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Edit cfg bits ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &configEditCB);
	addButton(menu2, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Edit ID ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &IdEditCB);
	addButton(menu2, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Disasm ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &disasmCB);
	addButton(menu2, btn, FALSE);
	ISPBox = newCheckBox(0, 0, 0, 0, 0, 0, "ISP", &ISPprog);
	attachCallBack(ISPBox, SDL_MOUSEBUTTONDOWN, &ispBoxCB);
	addCheckBox(menu2, ISPBox, FALSE);
	showWidget(menu2);

	i = 2;
	picstartName = newMenu(0, ROW_HEIGHT * i - (i - 1), SCREEN_PIXEL_WIDTH, 16, black, gray, lgray, black);
	addLabel(picstartName, newLabel(0, 0, 0, 0, 0, 0, "Programmer: "), FALSE);
	strcpy(picFWversionString, " Not connected ");
	picstartVersion = newLabel(0, 0, 0, 0, 0, 0, (char *) &picFWversionString);
	picstartVersion->w = SCREEN_PIXEL_WIDTH - 14 * FONT_WIDTH - 2;
	addLabel(picstartName, picstartVersion, FALSE);
	showWidget(picstartName);

	i++;
	filename = newMenu(0, ROW_HEIGHT * i - (i - 1), SCREEN_PIXEL_WIDTH, 16, black, gray, lgray, black);
	addLabel(filename, newLabel(0, 0, 0, 0, 0, 0, "File: "), FALSE);
	filelabel = newLabel(0, 0, 0, 0, 0, 0, " No file selected, use File\xc4\x1aOpen to select a file ");
	strcpy(programFileStr, filelabel->text);
	strcpy(dataFileStr, filelabel->text);
	filelabel->w = SCREEN_PIXEL_WIDTH - 8 * FONT_WIDTH - 2;
	addLabel(filename, filelabel, FALSE);
	showWidget(filename);

	i++;
	statusMenu1 = newMenu(0, ROW_HEIGHT * i - (i - 1), SCREEN_PIXEL_WIDTH, 16, black, gray, lgray, black);
	addLabel(statusMenu1, newLabel(0, 0, 0, 0, 0, 0, "Port: "), FALSE);
	addLabel(statusMenu1, newLabel(0, 0, 0, 0, 0, 0, (char *) &serialPort), FALSE);
	addLabel(statusMenu1, newLabel(0, 0, 0, 0, 0, 0, " Device: "), FALSE);
	addLabel(statusMenu1, newLabel(0, 0, 0, 0, 0, 0, (char *) &deviceType), FALSE);
	showWidget(statusMenu1);

	i++;
	statusMenu2 = newMenu(0, ROW_HEIGHT * i - (i - 1), SCREEN_PIXEL_WIDTH, 16, black, lgray, white, black);
	configTextLabel = newLabel(0, 0, 0, 0, 0, 0, "Configuration bits:");
	attachCallBack(configTextLabel, SDL_MOUSEBUTTONDOWN, (void *) &configEditCB);
	addLabel(statusMenu2, configTextLabel, FALSE);
	configDataLabel = newLabel(0, 0, 0, 0, 0, 0, (char *) &configText);
	attachCallBack(configDataLabel, SDL_MOUSEBUTTONDOWN, (void *) &configEditCB);
	addLabel(statusMenu2, configDataLabel, FALSE);

	i++;
	statusMenu3 = newMenu(0, ROW_HEIGHT * i - (i - 1), SCREEN_PIXEL_WIDTH, 16, black, lgray, white, black);
	IdTextLabel = newLabel(0, 0, 0, 0, 0, 0, "ID:");
	attachCallBack(IdTextLabel, SDL_MOUSEBUTTONDOWN, (void *) &IdEditCB);
	addLabel(statusMenu3, IdTextLabel, FALSE);
	IdDataLabel = newLabel(0, 0, 0, 0, 0, 0, (char *) &IdText);
	attachCallBack(IdDataLabel, SDL_MOUSEBUTTONDOWN, (void *) &IdEditCB);
	addLabel(statusMenu3, IdDataLabel, FALSE);

	fileMenu = newVMenu(0, FONT_HEIGHT + 4, 0, 0, black, lgray, white, gray);
	btn = newButton(0, 0, 0, 0, 0, 0, " Open ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &openButtonCB);
	addButton(fileMenu, btn, FALSE);
	saveButton = newButton(0, 0, 0, 0, 0, 0, " Save ");
	attachCallBack(saveButton, SDL_MOUSEBUTTONDOWN, (void *) &saveButtonCB);
	addButton(fileMenu, saveButton, FALSE);
	saveAsButton = newButton(0, 0, 0, 0, 0, 0, " Save as ");
	attachCallBack(saveAsButton, SDL_MOUSEBUTTONDOWN, (void *) &saveAsButtonCB);
	addButton(fileMenu, saveAsButton, FALSE);
	saveConfigButton = newButton(0, 0, 0, 0, 0, 0, " Save configuration ");
	attachCallBack(saveConfigButton, SDL_MOUSEBUTTONDOWN, (void *) &saveConfigButtonCB);
	addButton(fileMenu, saveConfigButton, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Exit ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &exitButtonCB);
	addButton(fileMenu, btn, FALSE);
	btn = newButton(0, 0, 0, 0, 0, 0, " Close menu ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &closeFileMenuCB);
	addButton(fileMenu, btn, TRUE);
	saveButton->fg = gray;

	portMenu = newVMenu(50, FONT_HEIGHT + 4, 0, 0, black, lgray, white, gray);
	btn = newButton(0, 0, 0, 0, 0, 0, " Select serial port ");
	attachCallBack(btn, SDL_MOUSEBUTTONDOWN, (void *) &nullCallBack);
	addButton(portMenu, btn, TRUE);
	btn = newButton(0, 0, 0, 0, 0, 0, " /dev/ttyS0 ");