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-rw-r--r--ldmicro/lutdialog.cpp565
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diff --git a/ldmicro/lutdialog.cpp b/ldmicro/lutdialog.cpp
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+++ b/ldmicro/lutdialog.cpp
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+//-----------------------------------------------------------------------------
+// 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/>.
+//------
+//
+// Dialog for entering the elements of a look-up table. I allow two formats:
+// as a simple list of integer values, or like a string. The lookup table
+// can either be a straight LUT, or one with piecewise linear interpolation
+// in between the points.
+// Jonathan Westhues, Dec 2005
+//-----------------------------------------------------------------------------
+#include "linuxUI.h"
+#include <stdio.h>
+#include <stdlib.h>
+//#include <commctrl.h>
+
+#include "ldmicro.h"
+
+// static HWND LutDialog;
+
+// static HWND AsStringCheckbox;
+// static HWND CountTextbox;
+// static HWND DestTextbox;
+// static HWND IndexTextbox;
+// static HWND Labels[3];
+
+// static HWND StringTextbox;
+
+static BOOL WasAsString;
+static int WasCount;
+
+//static HWND ValuesTextbox[MAX_LOOK_UP_TABLE_LEN];
+static LONG_PTR PrevValuesProc[MAX_LOOK_UP_TABLE_LEN];
+//static HWND ValuesLabel[MAX_LOOK_UP_TABLE_LEN];
+
+static SWORD ValuesCache[MAX_LOOK_UP_TABLE_LEN];
+
+static LONG_PTR PrevDestProc;
+static LONG_PTR PrevIndexProc;
+static LONG_PTR PrevCountProc;
+
+//-----------------------------------------------------------------------------
+// Don't allow any characters other than 0-9 and minus in the values.
+//-----------------------------------------------------------------------------
+// static LRESULT CALLBACK MyNumberProc(HWND hwnd, UINT msg, WPARAM wParam,
+// LPARAM lParam)
+// {
+// if(msg == WM_CHAR) {
+// if(!(isdigit(wParam) || wParam == '\b' || wParam == '-')) {
+// return 0;
+// }
+// }
+
+// WNDPROC w;
+// int i;
+// for(i = 0; i < MAX_LOOK_UP_TABLE_LEN; i++) {
+// if(hwnd == ValuesTextbox[i]) {
+// w = (WNDPROC)PrevValuesProc[i];
+// break;
+// }
+// }
+// if(i == MAX_LOOK_UP_TABLE_LEN) oops();
+
+// return CallWindowProc(w, hwnd, msg, wParam, lParam);
+// }
+
+//-----------------------------------------------------------------------------
+// Don't allow any characters other than 0-9 in the count.
+//-----------------------------------------------------------------------------
+// static LRESULT CALLBACK MyDigitsProc(HWND hwnd, UINT msg, WPARAM wParam,
+// LPARAM lParam)
+// {
+// if(msg == WM_CHAR) {
+// if(!(isdigit(wParam) || wParam == '\b')) {
+// return 0;
+// }
+// }
+
+// return CallWindowProc((WNDPROC)PrevCountProc, hwnd, msg, wParam, lParam);
+// }
+
+//-----------------------------------------------------------------------------
+// Don't allow any characters other than A-Za-z0-9_ in the name.
+//-----------------------------------------------------------------------------
+// static LRESULT CALLBACK MyNameProc(HWND hwnd, UINT msg, WPARAM wParam,
+// LPARAM lParam)
+// {
+// if(msg == WM_CHAR) {
+// if(!(isalpha(wParam) || isdigit(wParam) || wParam == '_' ||
+// wParam == '\b'))
+// {
+// return 0;
+// }
+// }
+
+// WNDPROC w;
+// if(hwnd == DestTextbox) {
+// w = (WNDPROC)PrevDestProc;
+// } else if(hwnd == IndexTextbox) {
+// w = (WNDPROC)PrevIndexProc;
+// }
+// return CallWindowProc(w, hwnd, msg, wParam, lParam);
+// }
+
+//-----------------------------------------------------------------------------
+// Make the controls that are guaranteed not to move around as the count/
+// as string settings change. This is different for the piecewise linear,
+// because in that case we should not provide a checkbox to change whether
+// the table is edited as a string or table.
+//-----------------------------------------------------------------------------
+// static void MakeFixedControls(BOOL forPwl)
+// {
+// Labels[0] = CreateWindowEx(0, WC_STATIC, _("Destination:"),
+// WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
+// 0, 10, 78, 21, LutDialog, NULL, Instance, NULL);
+// NiceFont(Labels[0]);
+
+// DestTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
+// WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
+// 85, 10, 120, 21, LutDialog, NULL, Instance, NULL);
+// FixedFont(DestTextbox);
+
+// Labels[1] = CreateWindowEx(0, WC_STATIC, _("Index:"),
+// WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
+// 10, 40, 68, 21, LutDialog, NULL, Instance, NULL);
+// NiceFont(Labels[1]);
+
+// IndexTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
+// WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
+// 85, 40, 120, 21, LutDialog, NULL, Instance, NULL);
+// FixedFont(IndexTextbox);
+
+// Labels[2] = CreateWindowEx(0,WC_STATIC, forPwl ? _("Points:") : _("Count:"),
+// WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
+// 0, 70, 78, 21, LutDialog, NULL, Instance, NULL);
+// NiceFont(Labels[2]);
+
+// CountTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
+// WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
+// 85, 70, 120, 21, LutDialog, NULL, Instance, NULL);
+// NiceFont(CountTextbox);
+
+// if(!forPwl) {
+// AsStringCheckbox = CreateWindowEx(0, WC_BUTTON,
+// _("Edit table of ASCII values like a string"), WS_CHILD |
+// WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE | BS_AUTOCHECKBOX,
+// 10, 100, 300, 21, LutDialog, NULL, Instance, NULL);
+// NiceFont(AsStringCheckbox);
+// }
+
+// OkButton = CreateWindowEx(0, WC_BUTTON, _("OK"),
+// WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE | BS_DEFPUSHBUTTON,
+// 231, 10, 70, 23, LutDialog, NULL, Instance, NULL);
+// NiceFont(OkButton);
+
+// CancelButton = CreateWindowEx(0, WC_BUTTON, _("Cancel"),
+// WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
+// 231, 40, 70, 23, LutDialog, NULL, Instance, NULL);
+// NiceFont(CancelButton);
+
+// PrevDestProc = SetWindowLongPtr(DestTextbox, GWLP_WNDPROC,
+// (LONG_PTR)MyNameProc);
+// PrevIndexProc = SetWindowLongPtr(IndexTextbox, GWLP_WNDPROC,
+// (LONG_PTR)MyNameProc);
+// PrevCountProc = SetWindowLongPtr(CountTextbox, GWLP_WNDPROC,
+// (LONG_PTR)MyDigitsProc);
+// }
+
+//-----------------------------------------------------------------------------
+// Destroy all of the controls so that we can start anew. This is necessary
+// because if the size of the LUT changes, or if the user switches from
+// table entry to string entry, we must completely reconfigure the dialog.
+//-----------------------------------------------------------------------------
+// static void DestroyLutControls(void)
+// {
+// if(WasAsString) {
+// // Nothing to do; we constantly update the cache from the user-
+// // specified string, because we might as well do that when we
+// // calculate the length.
+// } else {
+// int i;
+// for(i = 0; i < WasCount; i++) {
+// char buf[20];
+// SendMessage(ValuesTextbox[i], WM_GETTEXT, (WPARAM)16, (LPARAM)buf);
+// ValuesCache[i] = atoi(buf);
+// }
+// }
+
+// DestroyWindow(StringTextbox);
+
+// int i;
+// for(i = 0; i < MAX_LOOK_UP_TABLE_LEN; i++) {
+// DestroyWindow(ValuesTextbox[i]);
+// DestroyWindow(ValuesLabel[i]);
+// }
+// }
+
+//-----------------------------------------------------------------------------
+// Make the controls that hold the LUT. The exact configuration of the dialog
+// will depend on (a) whether the user chose table-type or string-type entry,
+// and for table-type entry, on (b) the number of entries, and on (c)
+// whether we are editing a PWL table (list of points) or a straight LUT.
+//-----------------------------------------------------------------------------
+// static void MakeLutControls(BOOL asString, int count, BOOL forPwl)
+// {
+// // Remember these, so that we know from where to cache stuff if we have
+// // to destroy these textboxes and make something new later.
+// WasAsString = asString;
+// WasCount = count;
+
+// if(forPwl && asString) oops();
+
+// if(asString) {
+// char str[3*MAX_LOOK_UP_TABLE_LEN+1];
+// int i, j;
+// j = 0;
+// for(i = 0; i < count; i++) {
+// int c = ValuesCache[i];
+// if(c >= 32 && c <= 127 && c != '\\') {
+// str[j++] = c;
+// } else if(c == '\\') {
+// str[j++] = '\\';
+// str[j++] = '\\';
+// } else if(c == '\r') {
+// str[j++] = '\\';
+// str[j++] = 'r';
+// } else if(c == '\b') {
+// str[j++] = '\\';
+// str[j++] = 'b';
+// } else if(c == '\f') {
+// str[j++] = '\\';
+// str[j++] = 'f';
+// } else if(c == '\n') {
+// str[j++] = '\\';
+// str[j++] = 'n';
+// } else {
+// str[j++] = 'X';
+// }
+// }
+// str[j++] = '\0';
+// StringTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, str,
+// WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS |
+// WS_VISIBLE,
+// 10, 130, 294, 21, LutDialog, NULL, Instance, NULL);
+// FixedFont(StringTextbox);
+// SendMessage(CountTextbox, EM_SETREADONLY, (WPARAM)TRUE, 0);
+// MoveWindow(LutDialog, 100, 30, 320, 185, TRUE);
+// } else {
+// int i;
+// int base;
+// if(forPwl) {
+// base = 100;
+// } else {
+// base = 140;
+// }
+// for(i = 0; i < count; i++) {
+// int x, y;
+
+// if(i < 16) {
+// x = 10;
+// y = base+30*i;
+// } else {
+// x = 160;
+// y = base+30*(i-16);
+// }
+
+// char buf[20];
+// sprintf(buf, "%d", ValuesCache[i]);
+// ValuesTextbox[i] = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, buf,
+// WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS |
+// WS_VISIBLE,
+// x+30, y, 80, 21, LutDialog, NULL, Instance, NULL);
+// NiceFont(ValuesTextbox[i]);
+
+// if(forPwl) {
+// sprintf(buf, "%c%d:", (i & 1) ? 'y' : 'x', i/2);
+// } else {
+// sprintf(buf, "%2d:", i);
+// }
+// ValuesLabel[i] = CreateWindowEx(0, WC_STATIC, buf,
+// WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE,
+// x, y+3, 100, 21, LutDialog, NULL, Instance, NULL);
+// FixedFont(ValuesLabel[i]);
+
+// PrevValuesProc[i] = SetWindowLongPtr(ValuesTextbox[i],
+// GWLP_WNDPROC, (LONG_PTR)MyNumberProc);
+// }
+// if(count > 16) count = 16;
+// SendMessage(CountTextbox, EM_SETREADONLY, (WPARAM)FALSE, 0);
+
+// MoveWindow(LutDialog, 100, 30, 320, base + 30 + count*30, TRUE);
+// }
+// }
+
+//-----------------------------------------------------------------------------
+// Decode a string into a look-up table; store the values in ValuesCache[],
+// and update the count checkbox (which in string mode is read-only) to
+// reflect the new length. Returns FALSE if the new string is too long, else
+// TRUE.
+//-----------------------------------------------------------------------------
+// BOOL StringToValuesCache(char *str, int *c)
+// {
+// int count = 0;
+// while(*str) {
+// if(*str == '\\') {
+// str++;
+// switch(*str) {
+// case 'r': ValuesCache[count++] = '\r'; break;
+// case 'n': ValuesCache[count++] = '\n'; break;
+// case 'f': ValuesCache[count++] = '\f'; break;
+// case 'b': ValuesCache[count++] = '\b'; break;
+// default: ValuesCache[count++] = *str; break;
+// }
+// } else {
+// ValuesCache[count++] = *str;
+// }
+// if(*str) {
+// str++;
+// }
+// if(count >= 32) {
+// return FALSE;
+// }
+// }
+
+// char buf[10];
+// sprintf(buf, "%d", count);
+// SendMessage(CountTextbox, WM_SETTEXT, 0, (LPARAM)(buf));
+// *c = count;
+// return TRUE;
+// }
+
+//-----------------------------------------------------------------------------
+// Show the look-up table dialog. This one is nasty, mostly because there are
+// two ways to enter a look-up table: as a table, or as a string. Presumably
+// I should convert between those two representations on the fly, as the user
+// edit things, so I do.
+//-----------------------------------------------------------------------------
+// void ShowLookUpTableDialog(ElemLeaf *l)
+// {
+// ElemLookUpTable *t = &(l->d.lookUpTable);
+
+// // First copy over all the stuff from the leaf structure; in particular,
+// // we need our own local copy of the table entries, because it would be
+// // bad to update those in the leaf before the user clicks okay (as he
+// // might cancel).
+// int count = t->count;
+// BOOL asString = t->editAsString;
+// memset(ValuesCache, 0, sizeof(ValuesCache));
+// int i;
+// for(i = 0; i < count; i++) {
+// ValuesCache[i] = t->vals[i];
+// }
+
+// // Now create the dialog's fixed controls, plus the changing (depending
+// // on show style/entry count) controls for the initial configuration.
+// LutDialog = CreateWindowClient(0, "LDmicroDialog",
+// _("Look-Up Table"), WS_OVERLAPPED | WS_SYSMENU,
+// 100, 100, 320, 375, NULL, NULL, Instance, NULL);
+// MakeFixedControls(FALSE);
+// MakeLutControls(asString, count, FALSE);
+
+// // Set up the controls to reflect the initial configuration.
+// SendMessage(DestTextbox, WM_SETTEXT, 0, (LPARAM)(t->dest));
+// SendMessage(IndexTextbox, WM_SETTEXT, 0, (LPARAM)(t->index));
+// char buf[30];
+// sprintf(buf, "%d", t->count);
+// SendMessage(CountTextbox, WM_SETTEXT, 0, (LPARAM)buf);
+// if(asString) {
+// SendMessage(AsStringCheckbox, BM_SETCHECK, BST_CHECKED, 0);
+// }
+
+// // And show the window
+// EnableWindow(MainWindow, FALSE);
+// ShowWindow(LutDialog, TRUE);
+// SetFocus(DestTextbox);
+// SendMessage(DestTextbox, EM_SETSEL, 0, -1);
+
+// char PrevTableAsString[1024] = "";
+
+// MSG msg;
+// DWORD ret;
+// DialogDone = FALSE;
+// DialogCancel = FALSE;
+// while((ret = GetMessage(&msg, NULL, 0, 0)) && !DialogDone) {
+// if(msg.message == WM_KEYDOWN) {
+// if(msg.wParam == VK_RETURN) {
+// DialogDone = TRUE;
+// break;
+// } else if(msg.wParam == VK_ESCAPE) {
+// DialogDone = TRUE;
+// DialogCancel = TRUE;
+// break;
+// }
+// }
+
+// if(!IsDialogMessage(LutDialog, &msg)) {
+// TranslateMessage(&msg);
+// DispatchMessage(&msg);
+// }
+
+// // Are we in table mode? In that case watch the (user-editable) count
+// // field, and use that to determine how many textboxes to show.
+// char buf[20];
+// SendMessage(CountTextbox, WM_GETTEXT, (WPARAM)16, (LPARAM)buf);
+// if(atoi(buf) != count && !asString) {
+// count = atoi(buf);
+// if(count < 0 || count > 32) {
+// count = 0;
+// SendMessage(CountTextbox, WM_SETTEXT, 0, (LPARAM)"");
+// }
+// DestroyLutControls();
+// MakeLutControls(asString, count, FALSE);
+// }
+
+// // Are we in string mode? In that case watch the string textbox,
+// // and use that to update the (read-only) count field.
+// if(asString) {
+// char scratch[1024];
+// SendMessage(StringTextbox, WM_GETTEXT, (WPARAM)sizeof(scratch),
+// (LPARAM)scratch);
+// if(strcmp(scratch, PrevTableAsString)!=0) {
+// if(StringToValuesCache(scratch, &count)) {
+// strcpy(PrevTableAsString, scratch);
+// } else {
+// // Too long; put back the old one
+// SendMessage(StringTextbox, WM_SETTEXT, 0,
+// (LPARAM)PrevTableAsString);
+// }
+// }
+// }
+
+// // Did we just change modes?
+// BOOL x = SendMessage(AsStringCheckbox, BM_GETCHECK, 0, 0)==BST_CHECKED;
+// if((x && !asString) || (!x && asString)) {
+// asString = x;
+// DestroyLutControls();
+// MakeLutControls(asString, count, FALSE);
+// }
+
+// }
+
+// if(!DialogCancel) {
+// SendMessage(DestTextbox, WM_GETTEXT, (WPARAM)16, (LPARAM)(t->dest));
+// SendMessage(IndexTextbox, WM_GETTEXT, (WPARAM)16, (LPARAM)(t->index));
+// DestroyLutControls();
+// // The call to DestroyLutControls updated ValuesCache, so just read
+// // them out of there (whichever mode we were in before).
+// int i;
+// for(i = 0; i < count; i++) {
+// t->vals[i] = ValuesCache[i];
+// }
+// t->count = count;
+// t->editAsString = asString;
+// }
+
+// EnableWindow(MainWindow, TRUE);
+// DestroyWindow(LutDialog);
+// }
+
+//-----------------------------------------------------------------------------
+// Show the piecewise linear table dialog. This one can only be edited in
+// only a single format, which makes things easier than before.
+//-----------------------------------------------------------------------------
+// void ShowPiecewiseLinearDialog(ElemLeaf *l)
+// {
+// ElemPiecewiseLinear *t = &(l->d.piecewiseLinear);
+
+// // First copy over all the stuff from the leaf structure; in particular,
+// // we need our own local copy of the table entries, because it would be
+// // bad to update those in the leaf before the user clicks okay (as he
+// // might cancel).
+// int count = t->count;
+// memset(ValuesCache, 0, sizeof(ValuesCache));
+// int i;
+// for(i = 0; i < count*2; i++) {
+// ValuesCache[i] = t->vals[i];
+// }
+
+// // Now create the dialog's fixed controls, plus the changing (depending
+// // on show style/entry count) controls for the initial configuration.
+// LutDialog = CreateWindowClient(0, "LDmicroDialog",
+// _("Piecewise Linear Table"), WS_OVERLAPPED | WS_SYSMENU,
+// 100, 100, 320, 375, NULL, NULL, Instance, NULL);
+// MakeFixedControls(TRUE);
+// MakeLutControls(FALSE, count*2, TRUE);
+
+// // Set up the controls to reflect the initial configuration.
+// SendMessage(DestTextbox, WM_SETTEXT, 0, (LPARAM)(t->dest));
+// SendMessage(IndexTextbox, WM_SETTEXT, 0, (LPARAM)(t->index));
+// char buf[30];
+// sprintf(buf, "%d", t->count);
+// SendMessage(CountTextbox, WM_SETTEXT, 0, (LPARAM)buf);
+
+// // And show the window
+// EnableWindow(MainWindow, FALSE);
+// ShowWindow(LutDialog, TRUE);
+// SetFocus(DestTextbox);
+// SendMessage(DestTextbox, EM_SETSEL, 0, -1);
+
+// MSG msg;
+// DWORD ret;
+// DialogDone = FALSE;
+// DialogCancel = FALSE;
+// while((ret = GetMessage(&msg, NULL, 0, 0)) && !DialogDone) {
+// if(msg.message == WM_KEYDOWN) {
+// if(msg.wParam == VK_RETURN) {
+// DialogDone = TRUE;
+// break;
+// } else if(msg.wParam == VK_ESCAPE) {
+// DialogDone = TRUE;
+// DialogCancel = TRUE;
+// break;
+// }
+// }
+
+// if(!IsDialogMessage(LutDialog, &msg)) {
+// TranslateMessage(&msg);
+// DispatchMessage(&msg);
+// }
+
+// // Watch the (user-editable) count field, and use that to
+// // determine how many textboxes to show.
+// char buf[20];
+// SendMessage(CountTextbox, WM_GETTEXT, (WPARAM)16, (LPARAM)buf);
+// if(atoi(buf) != count) {
+// count = atoi(buf);
+// if(count < 0 || count > 10) {
+// count = 0;
+// SendMessage(CountTextbox, WM_SETTEXT, 0, (LPARAM)"");
+// }
+// DestroyLutControls();
+// MakeLutControls(FALSE, count*2, TRUE);
+// }
+// }
+
+// if(!DialogCancel) {
+// SendMessage(DestTextbox, WM_GETTEXT, (WPARAM)16, (LPARAM)(t->dest));
+// SendMessage(IndexTextbox, WM_GETTEXT, (WPARAM)16, (LPARAM)(t->index));
+// DestroyLutControls();
+// // The call to DestroyLutControls updated ValuesCache, so just read
+// // them out of there.
+// int i;
+// for(i = 0; i < count*2; i++) {
+// t->vals[i] = ValuesCache[i];
+// }
+// t->count = count;
+// }
+
+// EnableWindow(MainWindow, TRUE);
+// DestroyWindow(LutDialog);
+// }