filedlg.c

CC386 is a general-purpose 32-bit C compiler. It is not an optimizing compiler but given that the co

/* 
Copyright 2001-2003 Free Software Foundation, Inc.

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.  

You may contact the author at:

mailto::[e-mail]

or by snail mail at:

David Lindauer
850 Washburn Ave Apt 99
Louisville, KY 40222
 **********************************************************************

FILEDLG.C handles low level of the save/open dialog functionality.

 **********************************************************************
 */
#include <windows.h>
#include <commctrl.h>
#include <commdlg.h>
#include <richedit.h>
#include <stdio.h>
#include <dir.h>
#include <ctype.h>
#include "winconst.h"
#include "header.h"
#define MAX_SAVED_DIRS 10
extern HINSTANCE hInstance;
char szSourceFilter[] = "Source files (*.c,*.cpp,*.cxx)\0*.c;*.cpp;*.cxx\0"
    "Headers (*.h,*.hpp,*.hxx,*.p)\0*.h;*.hpp;*.hxx;*.p\0"
    "Assembly files (*.asm, *.asi, *.inc)\0*.asm;*.asi;*.inc\0"
    "Resource files (*.rc)\0*.rc\0""All Files (*.*)\0*.*\0";

char szProjectFilter[] = "Project files (*.prj)\0*.prj\0";

char szTargetFilter[] = "Executables (*.exe)\0*.exe\0""DLLs (*.dll)\0*.dll\0"
    "Librarys (*.lib)\0*.lib\0";

static char szFileName[10000], szFileTitle[260];
static char szDefExt[] = "";
static char *szTitle;
static char *savedDirs[MAX_SAVED_DIRS];
static int savedDirCount;
/* hook function gets rid of the toolbar on the left hand size of the 
 * explorer dialog box
 */
void ProfileToMRD()
{
    char buf[256],  *p;
    int i;
    for (i = 0; i < MAX_SAVED_DIRS; i++)
    {
        sprintf(buf, "MRUD%d", i);
        p = ProfileToString(buf, "");
        if (p[0])
        {
            savedDirs[i] = strdup(p);
            savedDirCount = i + 1;
        }
        else
            savedDirs[i] = 0;
    }
}

//-------------------------------------------------------------------------

void MRDToProfile()
{
    int i;
    char buf[256];
    for (i = 0; i < MAX_SAVED_DIRS; i++)
    {
        sprintf(buf, "MRUD%d", i);
        if (savedDirs[i] != 0)
        {
            StringToProfile(buf, savedDirs[i]);
        }
    }
}

//-------------------------------------------------------------------------

static void AddDirToList(char *buf)
{
    int i;
    for (i = 0; i < savedDirCount; i++)
    if (savedDirs[i] && !stricmp(savedDirs[i], buf))
    {
        if (i != 0)
        {
            char *s = savedDirs[i];
            memmove(&savedDirs[1], &savedDirs[0], i *sizeof(char*));
            savedDirs[0] = s;
        }
        return ;
    }

    if (savedDirCount == MAX_SAVED_DIRS)
    {
        savedDirCount--;
        free(savedDirs[9]);
    }
    memmove(&savedDirs[1], &savedDirs[0], (savedDirCount *sizeof(char*)));
    savedDirs[0] = strdup(buf);
    savedDirCount++;
}

//-------------------------------------------------------------------------

static LRESULT CALLBACK filedlghook(HWND hwnd, UINT iMessage, WPARAM wParam,
    LPARAM lParam)
{
    int i;
    RECT r1, r2;
    if (iMessage == WM_NOTIFY)
    {
        OFNOTIFY *msg = (OFNOTIFY*)lParam;
        if (msg->hdr.code == CDN_INITDONE)
        {
            HWND hcombo = GetDlgItem(hwnd, IDC_EAI_DIRCOMBO);
            for (i = 0; i < savedDirCount; i++)
                if (savedDirs[i])
                    SendMessage(hcombo, CB_ADDSTRING, 0, (LPARAM)savedDirs[i]);
            CenterWindow(GetParent(hwnd));
            GetWindowRect(GetParent(hwnd), &r1);
            GetWindowRect(hcombo, &r2);
            r2.right = r1.right - 30;
            GetWindowRect(hwnd, &r1);
            r2.right -= r1.left;
            r2.bottom -= r1.top;
            r2.left -= r1.left;
            r2.top -= r1.top;
            MoveWindow(hcombo, r2.left, r2.top, r2.right - r2.left, r2.bottom -
                r2.top, 1);
        }
    }
    else if (iMessage == WM_INITDIALOG)
    {
        SendMessage(hwnd, CDM_HIDECONTROL, 1184, 0); // hides the left-hand junk
        // win50 has another way to do it, but we won't for backward compatibility
        if (szTitle)
            SendMessage(GetParent(hwnd), WM_SETTEXT, 0, (LPARAM)szTitle);
    }
    else if (iMessage == WM_COMMAND)
    {
        if (LOWORD(wParam) == IDC_EAI_DIRCOMBO)
        {
            if (HIWORD(wParam) == CBN_SELENDOK)
            {
                HWND wnd = GetDlgItem(hwnd, IDC_EAI_DIRCOMBO);
                i = SendMessage(wnd, CB_GETCURSEL, 0, 0);
                if (i != CB_ERR)
                {
                    char buf[270];
                    buf[0] = 0;
                    if (SendMessage(wnd, CB_GETLBTEXT, i, (LPARAM)buf) !=
                        CB_ERR)
                    {
                        SendMessage(GetParent(hwnd), CDM_SETCONTROLTEXT, 0x480,
                            (LPARAM)buf);
                        SendMessage(GetParent(hwnd), WM_COMMAND, (BN_PUSHED <<
                            16) | IDOK, (LPARAM)GetDlgItem(GetParent(hwnd),
                            IDOK));
                        SendMessage(GetParent(hwnd), CDM_SETCONTROLTEXT, 0x480,
                            (LPARAM)"");
                        SetFocus(GetDlgItem(GetParent(hwnd), 0x480));
                    }
                }
            }
        }
    }

    return 0;
}

//-------------------------------------------------------------------------

void setofndata(OPENFILENAME *ofn, char *name, HWND handle, char *dir, char
    *filter)
{
    memset(ofn, 0, sizeof(*ofn));
    if (name)
        strcpy(szFileName, name);
    else
        szFileName[0] = 0;
    szFileTitle[0] = 0;
    #ifdef OPENFILENAME_SIZE_VERSION_400
        // needed because the real size confuses older windows
        ofn->lStructSize = OPENFILENAME_SIZE_VERSION_400;
    #else 
        ofn->lStructSize = sizeof(OPENFILENAME);
    #endif 
    ofn->hwndOwner = handle;
    ofn->hInstance = hInstance;
    ofn->lpstrFilter = filter;
    ofn->nFilterIndex = 1;
    ofn->lpstrFile = szFileName;
    ofn->nMaxFile = sizeof(szFileName);
    ofn->lpstrFileTitle = szFileTitle;
    ofn->nMaxFileTitle = 260;
    ofn->lpstrInitialDir = dir;
    ofn->Flags = OFN_EXPLORER | OFN_ENABLEHOOK | OFN_ENABLETEMPLATE;
    ofn->lpfnHook = filedlghook;
    ofn->lpstrDefExt = 0;
    ofn->lpTemplateName = "EXPADDIN";
}

//-------------------------------------------------------------------------

void savedir(char *name, char *reg)
{
    char buf[260],  *p;
    strcpy(buf, name);
    p = buf + strlen(buf) + 1;
    //   if (!p) {
    p = strrchr(buf, '\\');
    if (p)
        *p = 0;
    else
    {
        p = strrchr(buf, ':');
        if (p)
        {
            *(++p) = '\\';
            *(++p) = 0;
        }
        else
            buf[0] = 0;
    }
    //   }
    AddDirToList(buf);
    StringToProfile(reg, buf);

}

//-------------------------------------------------------------------------

void AppendExtension(OPENFILENAME *ofn)
{
    if (ofn->lpstrFilter)
    {
        // has a filter
        char *p = ofn->lpstrFile + strlen(p) + 1;
        if (!p)
        {
            // they didn't multiselect

            p = strrchr(ofn->lpstrFile, '.');
            if (!p || *(p - 1) == '.')
            {
                // has an  extension
                int n = ofn->nFilterIndex *2-1;
                char *s = ofn->lpstrFilter;
                char *q = ofn->lpstrFileTitle + strlen(ofn->lpstrFileTitle);
                p = ofn->lpstrFile + strlen(ofn->lpstrFile);
                while (n--)
                    s = s + strlen(s) + 1;
                s = strchr(s, '.');
                while (*s &&  *s != ';')
                {
                    *p++ =  *s;
                    *q++ =  *s++;
                }
                *p = 0;
                *q = 0;
            }
        }
    }
}

//-------------------------------------------------------------------------

int OpenFileDialog(OPENFILENAME *ofn, char *name, HWND handle, int new, int
    multiple, char *filter, char *reg, char *title)
{
    char cwd[256];
    HFILE xhandle;
    szTitle = title;
    setofndata(ofn, name, handle, (char*)ProfileToString(reg, getcwd(cwd, 256)),
        filter);
    if (!new)
        ofn->Flags |= OFN_CREATEPROMPT;
    if (multiple)
        ofn->Flags |= OFN_ALLOWMULTISELECT;
    xhandle = GetOpenFileName(ofn);
    if (xhandle && xhandle != HFILE_ERROR)
    {
        _lclose(xhandle);
        savedir(szFileName, reg);
        AppendExtension(ofn);
        return 1;
    }
    return 0;
}

//-------------------------------------------------------------------------

int SaveFileDialog(OPENFILENAME *ofn, char *name, HWND handle, int saveas, char
    *filter, char *reg, char *title)
{
    char cwd[256];
    HFILE xhandle;
    szTitle = title;
    setofndata(ofn, name, handle, (char*)ProfileToString(reg, getcwd(cwd, 256)),
        filter);
    if (saveas)
        ofn->Flags |= OFN_OVERWRITEPROMPT;
    xhandle = GetSaveFileName(ofn);
    if (xhandle && xhandle != HFILE_ERROR)
    {
        _lclose(xhandle);
        savedir(szFileName, reg);
        AppendExtension(ofn);
        return 1;
    }
    return 0;
}