//-----------------------------------------------------------------------------
// Copyright 2007 Jonathan Westhues
//
// This file is part of LDmicro.
//
// LDmicro 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 3 of the License, or
// (at your option) any later version.
//
// LDmicro 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 LDmicro. If not, see <http://www.gnu.org/licenses/>.
//------
//
// Window to show our internal help. Roll my own using a rich edit control so
// that I don't have to distribute a separate Windows Help or HTML file; the
// manual is compiled in to the exe. Do pretty syntax highlighting style
// colours.
// Jonathan Westhues, Dec 2004
//-----------------------------------------------------------------------------
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <commctrl.h>
#include <richedit.h>
#include "ldmicro.h"
extern char *HelpText[];
extern char *HelpTextDe[];
extern char *HelpTextFr[];
extern char *HelpTextTr[];
static char *AboutText[] = {
"",
"ABOUT LDMICRO",
"=============",
"",
"LDmicro is a ladder logic editor, simulator and compiler for 8-bit",
"microcontrollers. It can generate native code for Atmel AVR and Microchip",
"PIC16 CPUs from a ladder diagram.",
"",
"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 3 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, see <http://www.gnu.org/licenses/>.",
"",
"The source code for LDmicro is available at",
"",
" http://cq.cx/ladder.pl",
"",
"Copyright 2005-2010 Jonathan Westhues",
"Release 2.2, built " __TIME__ " " __DATE__ ".",
"",
"Email: user jwesthues, at host cq.cx",
"",
NULL
};
static char **Text[] = {
#if defined(LDLANG_EN) || \
defined(LDLANG_ES) || \
defined(LDLANG_IT) || \
defined(LDLANG_PT)
HelpText,
#elif defined(LDLANG_DE)
HelpTextDe,
#elif defined(LDLANG_FR)
HelpTextFr,
#elif defined(LDLANG_TR)
HelpTextTr,
#else
# error "Bad language"
#endif
// Let's always keep the about text in English.
AboutText
};
static HWND HelpDialog[2];
static HWND RichEdit[2];
static BOOL HelpWindowOpen[2];
static int TitleHeight;
#define RICH_EDIT_HEIGHT(h) \
((((h) - 3 + (FONT_HEIGHT/2)) / FONT_HEIGHT) * FONT_HEIGHT)
static void SizeRichEdit(int a)
{
RECT r;
GetClientRect(HelpDialog[a], &r);
SetWindowPos(RichEdit[a], HWND_TOP, 6, 3, r.right - 6,
RICH_EDIT_HEIGHT(r.bottom), 0);
}
static BOOL Resizing(RECT *r, int wParam)
{
BOOL touched = FALSE;
if(r->right - r->left < 650) {
int diff = 650 - (r->right - r->left);
if(wParam == WMSZ_RIGHT || wParam == WMSZ_TOPRIGHT ||
wParam == WMSZ_BOTTOMRIGHT)
{
r->right += diff;
} else {
r->left -= diff;
}
touched = TRUE;
}
if(!(wParam == WMSZ_LEFT || wParam == WMSZ_RIGHT)) {
int h = r->bottom - r->top - TitleHeight - 5;
if(RICH_EDIT_HEIGHT(h) != h) {
int diff = h - RICH_EDIT_HEIGHT(h);
if(wParam == WMSZ_TOP || wParam == WMSZ_TOPRIGHT ||
wParam == WMSZ_TOPLEFT)
{
r->top += diff;
} else {
r->bottom -= diff;
}
touched = TRUE;
}
}
return !touched;
}
static void MakeControls(int a)
{
HMODULE re = LoadLibrary("RichEd20.dll");
if(!re) oops();
RichEdit[a] = CreateWindowEx(0, RICHEDIT_CLASS,
"", WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | ES_READONLY |
ES_MULTILINE | WS_VSCROLL,
0, 0, 100, 100, HelpDialog[a], NULL, Instance, NULL);
SendMessage(RichEdit[a], WM_SETFONT, (WPARAM)FixedWidthFont, TRUE);
SendMessage(RichEdit[a], EM_SETBKGNDCOLOR, (WPARAM)0, RGB(0, 0, 0));
SizeRichEdit(a);
int i;
BOOL nextSubHead = FALSE;
for(i = 0; Text[a][i]; i++) {
char *s = Text[a][i];
CHARFORMAT cf;
cf.cbSize = sizeof(cf);
cf.dwMask = CFM_BOLD | CFM_COLOR;
cf.dwEffects = 0;
if((s[0] == '=') ||
(Text[a][i+1] && Text[a][i+1][0] == '='))
{
cf.crTextColor = RGB(255, 255, 110);
} else if(s[3] == '|' && s[4] == '|') {
cf.crTextColor = RGB(255, 110, 255);
} else if(s[0] == '>' || nextSubHead) {
// Need to make a copy because the strings we are passed aren't
// mutable.
char copy[1024];
if(strlen(s) >= sizeof(copy)) oops();
strcpy(copy, s);
int j;
for(j = 1; copy[j]; j++) {
if(copy[j] == ' ' && copy[j-1] == ' ')
break;
}
BOOL justHeading = (copy[j] == '\0');
copy[j] = '\0';
cf.crTextColor = RGB(110, 255, 110);
SendMessage(RichEdit[a], EM_SETCHARFORMAT, SCF_SELECTION,
(LPARAM)&cf);
SendMessage(RichEdit[a], EM_REPLACESEL, (WPARAM)FALSE,
(LPARAM)copy);
SendMessage(RichEdit[a], EM_SETSEL, (WPARAM)-1, (LPARAM)-1);
// Special case if there's nothing except title on the line
if(!justHeading) {
copy[j] = ' ';
}
s += j;
cf.crTextColor = RGB(255, 110, 255);
nextSubHead = !nextSubHead;
} else {
cf.crTextColor = RGB(255, 255, 255);
}
SendMessage(RichEdit[a], EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
SendMessage(RichEdit[a], EM_REPLACESEL, (WPARAM)FALSE, (LPARAM)s);
SendMessage(RichEdit[a], EM_SETSEL, (WPARAM)-1, (LPARAM)-1);
if(Text[a][i+1]) {
SendMessage(RichEdit[a], EM_REPLACESEL, FALSE, (LPARAM)"\r\n");
SendMessage(RichEdit[a], EM_SETSEL, (WPARAM)-1, (LPARAM)-1);
}
}
SendMessage(RichEdit[a], EM_SETSEL, (WPARAM)0, (LPARAM)0);
}
//-----------------------------------------------------------------------------
// Window proc for the help dialog.
//-----------------------------------------------------------------------------
static LRESULT CALLBACK HelpProc(HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam)
{
int a = (hwnd == HelpDialog[0] ? 0 : 1);
switch (msg) {
case WM_SIZING: {
RECT *r = (RECT *)lParam;
return Resizing(r, wParam);
break;
}
case WM_SIZE:
SizeRichEdit(a);
break;
case WM_ACTIVATE:
case WM_KEYDOWN:
SetFocus(RichEdit[a]);
break;
case WM_DESTROY:
case WM_CLOSE:
HelpWindowOpen[a] = FALSE;
// fall through
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 1;
}
//-----------------------------------------------------------------------------
// Create the class for the help window.
//-----------------------------------------------------------------------------
static void MakeClass(void)
{
WNDCLASSEX wc;
memset(&wc, 0, sizeof(wc));
wc.cbSize = sizeof(wc);
wc.style = CS_BYTEALIGNCLIENT | CS_BYTEALIGNWINDOW | CS_OWNDC |
CS_DBLCLKS;
wc.lpfnWndProc = (WNDPROC)HelpProc;
wc.hInstance = Instance;
wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
wc.lpszClassName = "LDmicroHelp";
wc.lpszMenuName = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = (HICON)LoadImage(Instance, MAKEINTRESOURCE(4000),
IMAGE_ICON, 32, 32, 0);
wc.hIconSm = (HICON)LoadImage(Instance, MAKEINTRESOURCE(4000),
IMAGE_ICON, 16, 16, 0);
RegisterClassEx(&wc);
}
void ShowHelpDialog(BOOL about)
{
int a = about ? 1 : 0;
if(HelpWindowOpen[a]) {
SetForegroundWindow(HelpDialog[a]);
return;
}
MakeClass();
char *s = about ? "About LDmicro" : "LDmicro Help";
HelpDialog[a] = CreateWindowEx(0, "LDmicroHelp", s,
WS_OVERLAPPED | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX |
WS_SIZEBOX,
100, 100, 650, 300+10*FONT_HEIGHT, NULL, NULL, Instance, NULL);
MakeControls(a);
ShowWindow(HelpDialog[a], TRUE);
SetFocus(RichEdit[a]);
HelpWindowOpen[a] = TRUE;
RECT r;
GetClientRect(HelpDialog[a], &r);
TitleHeight = 300 - r.bottom;
GetWindowRect(HelpDialog[a], &r);
Resizing(&r, WMSZ_TOP);
SetWindowPos(HelpDialog[a], HWND_TOP, r.left, r.top, r.right - r.left,
r.bottom - r.top, 0);
}