ocaml/win32caml/menu.c

831 lines
28 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Developed by Jacob Navia. */
/* Copyright 2001 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../LICENSE. */
/* */
/***********************************************************************/
/***********************************************************************/
/* Changes made by Chris Watford to enhance the source editor */
/* Began 14 Sept 2003 - watford@uiuc.edu */
/***********************************************************************/
/* $Id$ */
#include <stdio.h>
#include <windows.h>
#include <Richedit.h>
#include "inria.h"
#include "inriares.h"
#include "history.h"
LOGFONT CurrentFont;
int CurrentFontFamily = (FIXED_PITCH | FF_MODERN);
int CurrentFontStyle;
char CurrentFontName[64] = "Courier";
/*------------------------------------------------------------------------
Procedure: OpenMlFile ID:1
Purpose: Opens a file, either a source file (*.ml) or an *.cmo
file.
Input: A buffer where the name will be stored, and its
length
Output: The user's choice will be stored in the buffer.
Errors: None
------------------------------------------------------------------------*/
int OpenMlFile(char *fname,int lenbuf)
{
OPENFILENAME ofn;
int r;
char *p,defext[5],tmp[512];
memset(&ofn,0,sizeof(OPENFILENAME));
memset(tmp,0,sizeof(tmp));
fname[0] = 0;
strcpy(tmp,"ocaml sources|*.ml|bytecode object files|*.cmo|All files|*.*");
p = tmp;
while (*p) {
if (*p == '|')
*p = 0;
p++;
}
strcpy(defext,"ml");
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hwndMain;
ofn.lpstrFilter = tmp;
ofn.nFilterIndex = 1;
ofn.hInstance = hInst;
ofn.lpstrFile = fname;
ofn.lpstrTitle = "Open file";
ofn.lpstrInitialDir = LibDir;
ofn.nMaxFile = lenbuf;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_NOCHANGEDIR | OFN_LONGNAMES |
OFN_HIDEREADONLY |OFN_EXPLORER;
r = GetOpenFileName(&ofn);
if (r) {
/* Replace backslashes by forward slashes in file name */
for (p = fname; *p != 0; p++)
if (*p == '\\') *p = '/';
}
return r;
}
/*------------------------------------------------------------------------
Procedure: GetSaveName ID:1
Purpose: Get a name to save the current session (Save as menu
item)
Input: A buffer where the name of the file will be stored,
and its length
Output: The name of the file choosen by the user will be
stored in the buffer
Errors: none
------------------------------------------------------------------------*/
int GetSaveName(char *fname,int lenbuf)
{
OPENFILENAME ofn;
int r;
char *p,defext[5],tmp[512];
memset(&ofn,0,sizeof(OPENFILENAME));
memset(tmp,0,sizeof(tmp));
fname[0] = 0;
strcpy(tmp,"Text files|*.txt");
p = tmp;
while (*p) {
if (*p == '|')
*p = 0;
p++;
}
strcpy(defext,"txt");
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hwndMain;
ofn.lpstrFilter = tmp;
ofn.nFilterIndex = 1;
ofn.hInstance = hInst;
ofn.lpstrFile = fname;
ofn.lpstrTitle = "Save as";
ofn.lpstrInitialDir = LibDir;
ofn.nMaxFile = lenbuf;
ofn.Flags = OFN_NOCHANGEDIR | OFN_LONGNAMES |
OFN_HIDEREADONLY |OFN_EXPLORER;
r = GetSaveFileName(&ofn);
if (r == 0)
return 0;
else return 1;
}
/*------------------------------------------------------------------------
Procedure: GetSaveMLName ID:1
Purpose: Get a name to save the current OCaml code to (Save as menu
item)
Input: A buffer where the name of the file will be stored,
and its length
Output: The name of the file choosen by the user will be
stored in the buffer
Errors: none
------------------------------------------------------------------------*/
int GetSaveMLName(char *fname, int lenbuf)
{
OPENFILENAME ofn;
int r;
char *p,defext[5],tmp[512];
memset(&ofn,0,sizeof(OPENFILENAME));
memset(tmp,0,sizeof(tmp));
fname[0] = 0;
strcpy(tmp,"OCaml Source Files|*.ml");
p = tmp;
while (*p) {
if (*p == '|')
*p = 0;
p++;
}
strcpy(defext,"ml");
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hwndMain;
ofn.lpstrFilter = tmp;
ofn.nFilterIndex = 1;
ofn.hInstance = hInst;
ofn.lpstrFile = fname;
ofn.lpstrTitle = "Save as";
ofn.lpstrInitialDir = LibDir;
ofn.nMaxFile = lenbuf;
ofn.Flags = OFN_NOCHANGEDIR | OFN_LONGNAMES |
OFN_HIDEREADONLY |OFN_EXPLORER;
r = GetSaveFileName(&ofn);
if (r == 0)
return 0;
else return 1;
}
/*------------------------------------------------------------------------
Procedure: BrowseForFile ID:1
Purpose: Let's the user browse for a certain kind of file.
Currently this is only used when browsing for
ocaml.exe.
Input: The name of the file to browse for, and the path
where the user's choice will be stored.
Output: 1 if user choosed a path, zero otherwise
Errors: None
------------------------------------------------------------------------*/
int BrowseForFile(char *fname,char *path)
{
OPENFILENAME ofn;
char *p,tmp[512],browsefor[512];
int r;
memset(tmp,0,sizeof(tmp));
strncpy(tmp,fname,sizeof(tmp)-1);
p = tmp;
while (*p) {
if (*p == '|')
*p = 0;
p++;
}
memset(&ofn,0,sizeof(OPENFILENAME));
ofn.lpstrFilter = tmp;
ofn.nFilterIndex = 1;
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hwndMain;
ofn.hInstance = hInst;
ofn.lpstrFilter = tmp;
ofn.lpstrFile = path;
wsprintf(browsefor,"Open %s",fname);
ofn.lpstrTitle = browsefor;
ofn.lpstrInitialDir = "c:\\";
ofn.nMaxFile = MAX_PATH;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_NOCHANGEDIR | OFN_LONGNAMES |
OFN_HIDEREADONLY |OFN_EXPLORER;
r = GetOpenFileName(&ofn);
if (r == 0)
return 0;
else return 1;
}
/*------------------------------------------------------------------------
Procedure: CallChangeFont ID:1
Purpose: Calls the standard windows font change dialog. If the
user validates a font, it will destroy the current
font, and recreate a new font with the given
parameters.
Input: The calling window handle
Output: Zero if the user cancelled, 1 otherwise.
Errors: None
------------------------------------------------------------------------*/
static int CallChangeFont(HWND hwnd)
{
LOGFONT lf;
CHOOSEFONT cf;
int r;
HWND hwndChild;
memset(&cf, 0, sizeof(CHOOSEFONT));
memcpy(&lf, &CurrentFont, sizeof(LOGFONT));
cf.lStructSize = sizeof(CHOOSEFONT);
cf.hwndOwner = hwnd;
cf.lpLogFont = &lf;
cf.Flags = CF_SCREENFONTS | CF_EFFECTS | CF_APPLY | CF_INITTOLOGFONTSTRUCT;
cf.nFontType = SCREEN_FONTTYPE;
r = ChooseFont(&cf);
if (!r)
return (0);
DeleteObject(ProgramParams.hFont);
memcpy(&CurrentFont, &lf, sizeof(LOGFONT));
ProgramParams.hFont = CreateFontIndirect(&CurrentFont);
strcpy(CurrentFontName, CurrentFont.lfFaceName);
CurrentFontFamily = lf.lfPitchAndFamily;
CurrentFontStyle = lf.lfWeight;
hwndChild = (HWND) GetWindowLong(hwndSession, DWL_USER);
SendMessage(hwndChild,WM_SETFONT,(WPARAM)ProgramParams.hFont,0);
ForceRepaint();
return (1);
}
/*------------------------------------------------------------------------
Procedure: CallDlgProc ID:1
Purpose: Calls a dialog box procedure
Input: The function to call, and the numerical ID of the
resource where the dialog box is stored
Output: Returns the result of the dialog box.
Errors: None
------------------------------------------------------------------------*/
int CallDlgProc(BOOL (CALLBACK *fn)(HWND,UINT,WPARAM,LPARAM), int id)
{
int result;
result = DialogBoxParam(hInst, MAKEINTRESOURCE(id), GetActiveWindow(),
fn, 0);
return result;
}
/*------------------------------------------------------------------------
Procedure: CallChangeColor ID:1
Purpose: Calls the standard color dialog of windows, starting
with the given color reference. The result is the
same as the input if the user cancels, or another
color if the user validates another one.
Input: The starting color
Output: The color the user has choosen.
Errors: None
------------------------------------------------------------------------*/
static COLORREF CallChangeColor(COLORREF InitialColor)
{
CHOOSECOLOR CC;
COLORREF CustColors[16];
int r, g, b, i;
memset(&CC, 0, sizeof(CHOOSECOLOR));
r = g = b = 0;
for (i = 0; i < 16; i++) {
CustColors[i] = RGB(r, g, b);
if (r < 255)
r += 127;
else if (g < 255)
g += 127;
else if (b < 255)
g += 127;
}
CC.lStructSize = sizeof(CHOOSECOLOR);
CC.hwndOwner = hwndMain;
CC.hInstance = hInst;
CC.rgbResult = InitialColor;
CC.lpCustColors = CustColors;
CC.Flags = CC_RGBINIT;
if (!ChooseColor(&CC))
return (InitialColor);
return (CC.rgbResult);
}
/*------------------------------------------------------------------------
Procedure: CallPrintSetup ID:1
Purpose: Calls the printer setup dialog. Currently it is not
connected to the rest of the software, since printing
is not done yet
Input: None
Output: 1 if OK, 0, user cancelled
Errors: None
------------------------------------------------------------------------*/
static int CallPrintSetup(void)
{
PAGESETUPDLG sd;
int r;
memset(&sd,0,sizeof(sd));
sd.lStructSize = sizeof(sd);
sd.Flags = PSD_RETURNDEFAULT;
r = PageSetupDlg(&sd);
if (!r)
return 0;
sd.Flags = 0;
r = PageSetupDlg(&sd);
return r;
}
/*------------------------------------------------------------------------
Procedure: Undo ID:1
Purpose: Send an UNDO command to the edit field.
Input: The parent window of the control
Output: None
Errors: None
------------------------------------------------------------------------*/
void Undo(HWND hwnd)
{
HWND hEdit;
hEdit = (HWND)GetWindowLong(hwnd,DWL_USER);
SendMessage(hEdit,EM_UNDO,0,0);
}
/*------------------------------------------------------------------------
Procedure: ForceRepaint ID:1
Purpose: Forces a complete redraw of the edit control of the
current session.
Input: None
Output: None
Errors: None
------------------------------------------------------------------------*/
void ForceRepaint(void)
{
HWND hwndEdit = (HWND)GetWindowLong(hwndSession,DWL_USER);
InvalidateRect(hwndEdit,NULL,1);
}
/*------------------------------------------------------------------------
Procedure: Add_Char_To_Queue ID:1
Purpose: Puts a character onto the buffer
Input: The char to be added
Output: None
Errors:
------------------------------------------------------------------------*/
static void Add_Char_To_Queue(int c)
{
HWND hwndEdit = (HWND)GetWindowLong(hwndSession,DWL_USER);
SendMessage(hwndEdit,WM_CHAR,c,1);
}
/*------------------------------------------------------------------------
Procedure: AddLineToControl ID:1
Purpose: It will ad the given text at the end of the edit
control, then it will send a return character to it.
This simulates user input. The history will not be
modified by this procedure.
Input: The text to be added
Output: None
Errors: If the line is empty, nothing will be done
------------------------------------------------------------------------*/
void AddLineToControl(char *buf)
{
HWND hEditCtrl;
if (*buf == 0)
return;
hEditCtrl = (HWND)GetWindowLong(hwndSession,DWL_USER);
GotoEOF();
SendMessage(hEditCtrl,EM_REPLACESEL,0,(LPARAM)buf);
SendMessage(hEditCtrl,WM_CHAR,'\r',0);
}
/*------------------------------------------------------------------------
Procedure: AddStringToControl ID:1
Author: Chris Watford watford@uiuc.edu
Purpose: It will ad the given text at the end of the edit
control. This simulates user input. The history will not
be modified by this procedure.
Input: The text to be added
Output: None
Errors: If the line is empty, nothing will be done
--------------------------------------------------------------------------
Edit History:
16 Sept 2003 - Chris Watford watford@uiuc.edu
- Basically this is AddLineToControl, but without appending a
newline
------------------------------------------------------------------------*/
void AddStringToControl(char* buf)
{
HWND hEditCtrl;
if(buf == NULL)
return;
if((*buf) == 0)
return;
hEditCtrl = (HWND)GetWindowLong(hwndSession, DWL_USER);
GotoEOF();
SendMessage(hEditCtrl ,EM_REPLACESEL, (WPARAM)FALSE, (LPARAM)buf);
}
/*------------------------------------------------------------------------
Procedure: AboutDlgProc ID:1
Purpose: Shows the "About" dialog box
Input:
Output:
Errors:
------------------------------------------------------------------------*/
static BOOL CALLBACK AboutDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
if (message == WM_CLOSE)
EndDialog(hDlg,1);
return 0;
}
/*------------------------------------------------------------------------
Procedure: HistoryDlgProc ID:1
Purpose: Shows the history of the session. Only input lines
are shown. A double click in a line will make this
dialog box procedure return the index of the selected
line (1 based). If the windows is closed (what is
equivalent to cancel), the return value is zero.
Input: Normal windows callback
Output:
Errors:
--------------------------------------------------------------------------
Edit History:
15 Sept 2003 - Chris Watford watford@uiuc.edu
- Added support for my StatementHistory structure
- Added the ability to export it as its exact entry, rather than
just a 1 liner
------------------------------------------------------------------------*/
static BOOL CALLBACK HistoryDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
StatementHistory *histentry;
int idx;
RECT rc;
switch (message) {
case WM_INITDIALOG:
SendDlgItemMessage(hDlg,IDLIST,WM_SETFONT,(WPARAM)ProgramParams.hFont,0);
histentry = History; // get our statement history object
idx = 0;
// loop through each history entry adding it to the dialog
while (histentry != NULL) {
SendDlgItemMessage(hDlg,IDLIST,LB_INSERTSTRING,0,(LPARAM)editbuffer_getasline(histentry->Statement));
SendDlgItemMessage(hDlg,IDLIST,LB_SETITEMDATA,0,(LPARAM)idx);
histentry = histentry->Next;
idx++;
}
SendDlgItemMessage(hDlg,IDLIST,LB_SETCURSEL,(LPARAM)idx-1,0);
return 1;
case WM_COMMAND:
switch(LOWORD(wParam)) {
case IDLIST:
switch(HIWORD(wParam)) {
case LBN_DBLCLK:
idx = SendDlgItemMessage(hDlg,IDLIST,LB_GETCURSEL,0,0);
if (idx == LB_ERR)
break;
idx = SendDlgItemMessage(hDlg,IDLIST,LB_GETITEMDATA,idx,0);
EndDialog(hDlg,idx+1);
return 1;
}
break;
}
break;
case WM_SIZE:
GetClientRect(hDlg,&rc);
MoveWindow(GetDlgItem(hDlg,IDLIST),0,0,rc.right,rc.bottom,1);
break;
case WM_CLOSE:
EndDialog(hDlg,0);
break;
}
return 0;
}
/*------------------------------------------------------------------------
Procedure: SaveText ID:1
Purpose: Saves the contents of the session transcript. It will
loop for each line and write it to the specified file
Input: The name of the file where the session will be saved
Output: The session is saved
Errors: If it can't open the file for writing it will show an
error box
--------------------------------------------------------------------------
Edit History:
06 Oct 2003 - Chris Watford watford@uiuc.edu
- Corrected wsprintf error
------------------------------------------------------------------------*/
static void SaveText(char *fname)
{
int i,len;
HWND hEdit = (HWND)GetWindowLong(hwndSession,DWL_USER);
int linesCount = SendMessage(hEdit,EM_GETLINECOUNT,0,0);
FILE *f;
char *buf = SafeMalloc(8192);
f = fopen(fname,"wb");
if (f == NULL)
{
// corrected error using wsprintf
wsprintf(buf, "Impossible to open %s for writing", fname);
ShowDbgMsg(buf);
return;
}
for (i = 0; i < linesCount; i++)
{
*(unsigned short *)buf = 8100;
len = SendMessage(hEdit, EM_GETLINE, i, (LPARAM)buf);
buf[len] = '\0';
fprintf(f, "%s\r\n", buf+1);
//fwrite(buf,1,len+2,f);
}
fclose(f);
free(buf);
}
/*------------------------------------------------------------------------
Procedure: SaveML ID:1
Author: Chris Watford watford@uiuc.edu
Purpose: Saves the ML source to a file, commenting out functions
that contained errors
Input: The name of the file where the session will be saved
Output: The session is saved
Errors: If it can't open the file for writing it will show an
error box
------------------------------------------------------------------------*/
static void SaveML(char *fname)
{
FILE *f;
char *buf = SafeMalloc(8192);
f = fopen(fname, "wb");
if(f == NULL)
{
wsprintf(buf, "Impossible to open %s for writing", fname);
ShowDbgMsg(buf);
return;
}
fprintf(f, "(* %s *)\r\n\r\n", fname);
if(History != NULL)
{
StatementHistory *h = NULL;
EditBuffer *stmt = NULL;
// get to the end
for(h = History; h->Next != NULL; h = h->Next);
// go back :(
// this is NOT the fastest method, BUT this is the easiest
// on the subsystem
for(; h != NULL; h = h->Prev)
{
stmt = h->Statement;
if(stmt != NULL)
{
// comment out incorrect lines
if(stmt->isCorrect)
{
char *buff = editbuffer_getasbuffer(stmt);
fprintf(f, "%s\r\n", buff);
free(buff);
} else {
char *buff = editbuffer_getasbuffer(stmt);
fprintf(f, "(* Syntax Error or Unbound Value\r\n%s\r\n *)\r\n", buff);
free(buff);
}
}
fprintf(f, "\r\n");
}
}
fclose(f);
free(buf);
}
/*------------------------------------------------------------------------
Procedure: Add_Clipboard_To_Queue ID:1
Author: Chris Watford watford@uiuc.edu
Purpose: Adds the clipboard text to the control
Input:
Output:
Errors:
--------------------------------------------------------------------------
Edit History:
16 Sept 2003 - Chris Watford watford@uiuc.edu
- Added method to update edit buffer with paste contents
------------------------------------------------------------------------*/
static void Add_Clipboard_To_Queue(void)
{
if (IsClipboardFormatAvailable(CF_TEXT) && OpenClipboard(hwndMain))
{
HANDLE hClipData = GetClipboardData(CF_TEXT);
if (hClipData != NULL)
{
char *str = GlobalLock(hClipData);
if (str != NULL)
{
while ((*str) != 0)
{
if (*str != '\r')
Add_Char_To_Queue(*str);
str++;
}
// added to fix odd errors
RefreshCurrentEditBuffer();
}
GlobalUnlock(hClipData);
}
CloseClipboard();
}
}
/*------------------------------------------------------------------------
Procedure: CopyToClipboard ID:1
Purpose: Copies text to the clipboard
Input: Window with the edit control
Output:
Errors:
------------------------------------------------------------------------*/
static void CopyToClipboard(HWND hwnd)
{
HWND hwndEdit = (HWND)GetWindowLong(hwndSession,DWL_USER);
SendMessage(hwndEdit,WM_COPY,0,0);
}
/*------------------------------------------------------------------------
Procedure: ResetText ID:1
Purpose: Resets the text? I'm not really sure
Input:
Output: Always returns 0
Errors:
------------------------------------------------------------------------*/
int ResetText(void)
{
HWND hwndEdit = (HWND) GetWindowLong(hwndSession,DWL_USER);
TEXTRANGE cr;
int len = SendMessage(hwndEdit,WM_GETTEXTLENGTH,0,0);
char *tmp = malloc(len+10),*p;
memset(tmp,0,len+10);
cr.chrg.cpMin = 0;
cr.chrg.cpMax = -1;
cr.lpstrText = tmp;
SendMessage(hwndEdit,EM_GETTEXTRANGE,0,(LPARAM)&cr);
p = tmp+len/2;
while (*p && *p != '\r')
p++;
SendMessage(hwndEdit,EM_SETSEL,0,(LPARAM)-1);
SendMessage(hwndEdit,EM_REPLACESEL,0,(LPARAM)p);
InvalidateRect(hwndEdit,0,1);
free(tmp);
return 0;
}
/*------------------------------------------------------------------------
Procedure: HandleCommand ID:1
Purpose: Handles all menu commands.
Input:
Output:
Errors:
--------------------------------------------------------------------------
Edit History:
06 Oct 2003 - Chris Watford watford@uiuc.edu
- Removed entries that crashed OCaml
- Removed useless entries
- Added Save ML and Save Transcript
------------------------------------------------------------------------*/
void HandleCommand(HWND hwnd, WPARAM wParam,LPARAM lParam)
{
char *fname;
int r;
switch(LOWORD(wParam)) {
case IDM_OPEN:
fname = SafeMalloc(512);
if (OpenMlFile(fname,512)) {
char *buf = SafeMalloc(512);
char *p = strrchr(fname,'.');
if (p && !stricmp(p,".ml")) {
wsprintf(buf, "#use \"%s\";;", fname);
AddLineToControl(buf);
}
else if (p && !stricmp(p,".cmo")) {
wsprintf(buf, "#load \"%s\";;", fname);
AddLineToControl(buf);
}
free(buf);
}
free(fname);
break;
case IDM_GC:
AddLineToControl("Gc.full_major();;");
break;
case IDCTRLC:
InterruptOcaml();
break;
case IDM_EDITPASTE:
Add_Clipboard_To_Queue();
break;
case IDM_EDITCOPY:
CopyToClipboard(hwnd);
break;
// updated to save a transcript
case IDM_SAVEAS:
fname = SafeMalloc(512);
if (GetSaveName(fname,512)) {
SaveText(fname);
}
free(fname);
break;
// updated to save an ML file
case IDM_SAVE:
fname = SafeMalloc(512);
if (GetSaveMLName(fname,512))
{
SaveML(fname);
}
free(fname);
break;
// updated to work with new history system
case IDM_HISTORY:
r = CallDlgProc(HistoryDlgProc,IDD_HISTORY);
if (r)
{
AddLineToControl(GetHistoryLine(r-1));
}
break;
case IDM_PRINTSU:
// Removed by Chris Watford
// seems to die
// CallPrintSetup();
break;
case IDM_FONT:
CallChangeFont(hwndMain);
break;
case IDM_COLORTEXT:
ProgramParams.TextColor = CallChangeColor(ProgramParams.TextColor);
ForceRepaint();
break;
case IDM_BACKCOLOR:
BackColor = CallChangeColor(BackColor);
DeleteObject(BackgroundBrush);
BackgroundBrush = CreateSolidBrush(BackColor);
ForceRepaint();
break;
case IDM_EDITUNDO:
Undo(hwnd);
break;
/* Removed, really not very useful in this IDE
case IDM_WINDOWTILE:
SendMessage(hwndMDIClient,WM_MDITILE,0,0);
break;
case IDM_WINDOWCASCADE:
SendMessage(hwndMDIClient,WM_MDICASCADE,0,0);
break;
case IDM_WINDOWICONS:
SendMessage(hwndMDIClient,WM_MDIICONARRANGE,0,0);
break;
*/
case IDM_EXIT:
PostMessage(hwnd,WM_CLOSE,0,0);
break;
case IDM_ABOUT:
CallDlgProc(AboutDlgProc,IDD_ABOUT);
break;
default:
if (LOWORD(wParam) >= IDEDITCONTROL && LOWORD(wParam) < IDEDITCONTROL+5) {
switch (HIWORD(wParam)) {
case EN_ERRSPACE:
ResetText();
break;
}
}
break;
}
}