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[geany-mirror.git] / src / win32.c

/*
 *      win32.c - this file is part of Geany, a fast and lightweight IDE
 *
 *      Copyright 2005-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
 *      Copyright 2006-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
 *
 *      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.,
 *      51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

/*
 * Special functions for the win32 platform, to provide native dialogs.
 */

#include "geany.h"

#ifdef G_OS_WIN32

#define VC_EXTRALEAN
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <commdlg.h>
#include <shlobj.h>
#include <io.h>
#include <fcntl.h>

#include <string.h>
#include <ctype.h>
#include <math.h>
#include <stdlib.h>

#include <glib/gstdio.h>
#include <gdk/gdkwin32.h>

#include "win32.h"

#include "document.h"
#include "support.h"
#include "utils.h"
#include "ui_utils.h"
#include "sciwrappers.h"
#include "dialogs.h"
#include "filetypes.h"
#include "project.h"
#include "editor.h"

#define BUFSIZE 4096
#define CMDSIZE 32768

struct _geany_win32_spawn
{
        HANDLE hChildStdinRd;
        HANDLE hChildStdinWr;
        HANDLE hChildStdoutRd;
        HANDLE hChildStdoutWr;
        HANDLE hChildStderrRd;
        HANDLE hChildStderrWr;
        HANDLE hInputFile;
        HANDLE hStdout;
        HANDLE hStderr;
        HANDLE processId;
        DWORD dwExitCode;
};
typedef struct _geany_win32_spawn geany_win32_spawn;

static gboolean GetContentFromHandle(HANDLE hFile, gchar **content, GError **error);
static HANDLE GetTempFileHandle(GError **error);
static gboolean CreateChildProcess(geany_win32_spawn *gw_spawn, TCHAR *szCmdline,
                const TCHAR *dir, GError **error);
static VOID ReadFromPipe(HANDLE hRead, HANDLE hWrite, HANDLE hFile, GError **error);


static wchar_t *get_file_filters(void)
{
        gchar *string;
        guint i, j, len;
        static wchar_t title[4096];
        GString *str = g_string_sized_new(100);
        GString *all_patterns = g_string_sized_new(100);
        GSList *node;
        gchar *tmp;

        /* create meta file filter "All files" */
        g_string_append_printf(str, "%s\t*\t", _("All files"));
        /* create meta file filter "All Source" (skip GEANY_FILETYPES_NONE) */
        for (i = GEANY_FILETYPES_NONE + 1; i < filetypes_array->len; i++)
        {
                for (j = 0; filetypes[i]->pattern[j] != NULL; j++)
                {
                        g_string_append(all_patterns, filetypes[i]->pattern[j]);
                        g_string_append_c(all_patterns, ';');
                }
        }
        g_string_append_printf(str, "%s\t%s\t", _("All Source"), all_patterns->str);
        g_string_free(all_patterns, TRUE);
        /* add 'usual' filetypes */
        foreach_slist(node, filetypes_by_title)
        {
                GeanyFiletype *ft = node->data;

                if (G_UNLIKELY(ft->id == GEANY_FILETYPES_NONE))
                        continue;
                tmp = g_strjoinv(";", ft->pattern);
                g_string_append_printf(str, "%s\t%s\t", ft->title, tmp);
                g_free(tmp);
        }
        g_string_append_c(str, '\t'); /* the final \0 byte to mark the end of the string */
        string = str->str;
        g_string_free(str, FALSE);

        /* replace all "\t"s by \0 */
        len = strlen(string);
        g_strdelimit(string, "\t", '\0');
        g_assert(string[len - 1] == 0x0);
        MultiByteToWideChar(CP_UTF8, 0, string, len, title, G_N_ELEMENTS(title));
        g_free(string);

        return title;
}


static wchar_t *get_file_filter_all_files(void)
{
        guint len;
        static wchar_t title[4096];
        gchar *filter;

        /* create meta file filter "All files" */
        filter = g_strdup_printf("%s\t*\t", _("All files"));

        len = strlen(filter);
        g_strdelimit(filter, "\t", '\0');
        g_assert(filter[len - 1] == 0x0);
        MultiByteToWideChar(CP_UTF8, 0, filter, len, title, G_N_ELEMENTS(title));
        g_free(filter);

        return title;
}


static wchar_t *get_filters(gboolean project_files)
{
        gchar *string;
        gint len;
        static wchar_t title[1024];

        if (project_files)
        {
                string = g_strconcat(_("Geany project files"), "\t", "*." GEANY_PROJECT_EXT, "\t",
                        _("All files"), "\t", "*", "\t", NULL);
        }
        else
        {
                string = g_strconcat(_("Executables"), "\t", "*.exe;*.bat;*.cmd", "\t",
                        _("All files"), "\t", "*", "\t", NULL);
        }

        /* replace all "\t"s by \0 */
        len = strlen(string);
        g_strdelimit(string, "\t", '\0');
        g_assert(string[len - 1] == 0x0);
        MultiByteToWideChar(CP_UTF8, 0, string, len, title, G_N_ELEMENTS(title));
        g_free(string);

        return title;
}


/* Converts the given UTF-8 filename or directory name into something usable for Windows and
 * returns the directory part of the given filename. */
static wchar_t *get_dir_for_path(const gchar *utf8_filename)
{
        static wchar_t w_dir[MAX_PATH];
        gchar *result;

        if (g_file_test(utf8_filename, G_FILE_TEST_IS_DIR))
                result = (gchar*) utf8_filename;
        else
                result = g_path_get_dirname(utf8_filename);

        MultiByteToWideChar(CP_UTF8, 0, result, -1, w_dir, G_N_ELEMENTS(w_dir));

        if (result != utf8_filename)
                g_free(result);

        return w_dir;
}


/* Callback function for setting the initial directory of the folder open dialog. This could also
 * be done with BROWSEINFO.pidlRoot and SHParseDisplayName but SHParseDisplayName is not available
 * on systems below Windows XP. So, we go the hard way by creating a callback which will set up the
 * folder when the dialog is initialised. Yeah, I like Windows. */
INT CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData)
{
        switch (uMsg)
        {
                case BFFM_INITIALIZED:
                {
                        SendMessageW(hwnd, BFFM_SETSELECTIONW, TRUE, pData);
                        break;
                }
                case BFFM_SELCHANGED:
                {
                        /* set the status window to the currently selected path. */
                        static wchar_t szDir[MAX_PATH];
                        if (SHGetPathFromIDListW((LPITEMIDLIST) lp, szDir))
                        {
                                SendMessageW(hwnd, BFFM_SETSTATUSTEXTW, 0, (LPARAM) szDir);
                        }
                        break;
                }
        }
        return 0;
}


/* Shows a folder selection dialog.
 * initial_dir is expected in UTF-8
 * The selected folder name is returned. */
gchar *win32_show_folder_dialog(GtkWidget *parent, const gchar *title, const gchar *initial_dir)
{
        BROWSEINFOW bi;
        LPCITEMIDLIST pidl;
        gchar *result = NULL;
        wchar_t fname[MAX_PATH];
        wchar_t w_title[512];

        MultiByteToWideChar(CP_UTF8, 0, title, -1, w_title, G_N_ELEMENTS(w_title));

        if (parent == NULL)
                parent = main_widgets.window;

        memset(&bi, 0, sizeof bi);
        bi.hwndOwner = GDK_WINDOW_HWND(gtk_widget_get_window(parent));
        bi.pidlRoot = NULL;
        bi.lpszTitle = w_title;
        bi.lpfn = BrowseCallbackProc;
        bi.lParam = (LPARAM) get_dir_for_path(initial_dir);
        bi.ulFlags = BIF_DONTGOBELOWDOMAIN | BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT;

        pidl = SHBrowseForFolderW(&bi);

        /* convert the strange Windows folder list item something into an usual path string ;-) */
        if (pidl != 0)
        {
                if (SHGetPathFromIDListW(pidl, fname))
                {
                        result = g_malloc0(MAX_PATH * 2);
                        WideCharToMultiByte(CP_UTF8, 0, fname, -1, result, MAX_PATH * 2, NULL, NULL);
                }
                /* SHBrowseForFolder() probably leaks memory here, but how to free the allocated memory? */
        }
        return result;
}


/* Shows a file open dialog.
 * If allow_new_file is set, the file to be opened doesn't have to exist.
 * initial_dir is expected in UTF-8
 * The selected file name is returned.
 * If project_file_filter is set, the file open dialog will have a file filter for Geany project
 * files, a filter for executables otherwise. */
gchar *win32_show_project_open_dialog(GtkWidget *parent, const gchar *title,
                                                                      const gchar *initial_dir, gboolean allow_new_file,
                                                                      gboolean project_file_filter)
{
        OPENFILENAMEW of;
        gint retval;
        wchar_t fname[MAX_PATH];
        wchar_t w_title[512];
        gchar *filename;

        fname[0] = '\0';

        MultiByteToWideChar(CP_UTF8, 0, title, -1, w_title, G_N_ELEMENTS(w_title));

        if (parent == NULL)
                parent = main_widgets.window;

        /* initialise file dialog info struct */
        memset(&of, 0, sizeof of);
#ifdef OPENFILENAME_SIZE_VERSION_400
        of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
#else
        of.lStructSize = sizeof of;
#endif
        of.hwndOwner = GDK_WINDOW_HWND(gtk_widget_get_window(parent));
        of.lpstrFilter = get_filters(project_file_filter);

        of.lpstrCustomFilter = NULL;
        of.nFilterIndex = 0;
        of.lpstrFile = fname;
        of.lpstrInitialDir = get_dir_for_path(initial_dir);
        of.nMaxFile = 2048;
        of.lpstrFileTitle = NULL;
        of.lpstrTitle = w_title;
        of.lpstrDefExt = L"";
        of.Flags = OFN_PATHMUSTEXIST | OFN_EXPLORER | OFN_HIDEREADONLY;
        if (! allow_new_file)
                of.Flags |= OFN_FILEMUSTEXIST;

        retval = GetOpenFileNameW(&of);

        if (! retval)
        {
                if (CommDlgExtendedError())
                {
                        gchar *error;
                        error = g_strdup_printf("File dialog box error (%x)", (int)CommDlgExtendedError());
                        win32_message_dialog(NULL, GTK_MESSAGE_ERROR, error);
                        g_free(error);
                }
                return NULL;
        }
        /* convert the resulting filename into UTF-8 (from whatever encoding it has at this moment) */
        filename = g_malloc0(MAX_PATH * 2);
        WideCharToMultiByte(CP_UTF8, 0, fname, -1, filename, MAX_PATH * 2, NULL, NULL);

        return filename;
}


/* initial_dir can be NULL to use the current working directory.
 * Returns: TRUE if the dialog was not cancelled. */
gboolean win32_show_document_open_dialog(GtkWindow *parent, const gchar *title, const gchar *initial_dir)
{
        OPENFILENAMEW of;
        gint retval;
        guint x;
        gchar tmp[MAX_PATH];
        wchar_t fname[MAX_PATH];
        wchar_t w_dir[MAX_PATH];
        wchar_t w_title[512];

        fname[0] = '\0';

        if (initial_dir != NULL)
                MultiByteToWideChar(CP_UTF8, 0, initial_dir, -1, w_dir, G_N_ELEMENTS(w_dir));

        MultiByteToWideChar(CP_UTF8, 0, title, -1, w_title, G_N_ELEMENTS(w_title));

        /* initialise file dialog info struct */
        memset(&of, 0, sizeof of);
#ifdef OPENFILENAME_SIZE_VERSION_400
        of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
#else
        of.lStructSize = sizeof of;
#endif
        of.hwndOwner = GDK_WINDOW_HWND(gtk_widget_get_window(GTK_WIDGET(parent)));
        of.lpstrFilter = get_file_filters();

        of.lpstrCustomFilter = NULL;
        of.nFilterIndex = GEANY_FILETYPES_NONE + 1;
        of.lpstrFile = fname;
        of.lpstrInitialDir = (initial_dir != NULL) ? w_dir : NULL;
        of.nMaxFile = 2048;
        of.lpstrFileTitle = NULL;
        of.lpstrTitle = w_title;
        of.lpstrDefExt = L"";
        of.Flags = OFN_ALLOWMULTISELECT | OFN_FILEMUSTEXIST | OFN_EXPLORER;

        retval = GetOpenFileNameW(&of);

        if (!retval)
        {
                if (CommDlgExtendedError())
                {
                        gchar error[100];
                        g_snprintf(error, sizeof error, "File dialog box error (%x)", (int)CommDlgExtendedError());
                        win32_message_dialog(NULL, GTK_MESSAGE_ERROR, error);
                }
                return FALSE;
        }

        x = of.nFileOffset - 1;
        if (x != wcslen(fname))
        {       /* open a single file */
                WideCharToMultiByte(CP_UTF8, 0, fname, -1, tmp, sizeof(tmp), NULL, NULL);
                document_open_file(tmp, of.Flags & OFN_READONLY, NULL, NULL);
        }
        else
        {       /* open multiple files */
                gchar file_name[MAX_PATH];
                gchar dir_name[MAX_PATH];

                WideCharToMultiByte(CP_UTF8, 0, fname, of.nFileOffset,
                        dir_name, sizeof(dir_name), NULL, NULL);
                for (; ;)
                {
                        if (! fname[x])
                        {
                                if (! fname[x + 1])
                                        break;

                                WideCharToMultiByte(CP_UTF8, 0, fname + x + 1, -1,
                                        tmp, sizeof(tmp), NULL, NULL);
                                g_snprintf(file_name, 511, "%s\\%s", dir_name, tmp);

                                /* convert the resulting filename into UTF-8 */
                                document_open_file(file_name, of.Flags & OFN_READONLY, NULL, NULL);
                        }
                        x++;
                }
        }
        return (retval != 0);
}


gchar *win32_show_document_save_as_dialog(GtkWindow *parent, const gchar *title,
                                                                                  GeanyDocument *doc)
{
        OPENFILENAMEW of;
        gint retval;
        gchar tmp[MAX_PATH];
        wchar_t w_file[MAX_PATH];
        wchar_t w_title[512];
        int n;

        w_file[0] = '\0';

        /* Convert the name of the file for of.lpstrFile */
        n = MultiByteToWideChar(CP_UTF8, 0, DOC_FILENAME(doc), -1, w_file, G_N_ELEMENTS(w_file));

        /* If creating a new file name, convert and append the extension if any */
        if (! doc->file_name && doc->file_type && doc->file_type->extension && n + 1 < G_N_ELEMENTS(w_file))
        {
                w_file[n - 1] = L'.';
                MultiByteToWideChar(CP_UTF8, 0, doc->file_type->extension, -1, &w_file[n],
                                G_N_ELEMENTS(w_file) - n - 1);
        }

        MultiByteToWideChar(CP_UTF8, 0, title, -1, w_title, G_N_ELEMENTS(w_title));

        /* initialise file dialog info struct */
        memset(&of, 0, sizeof of);
#ifdef OPENFILENAME_SIZE_VERSION_400
        of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
#else
        of.lStructSize = sizeof of;
#endif
        of.hwndOwner = GDK_WINDOW_HWND(gtk_widget_get_window(GTK_WIDGET(parent)));

        of.lpstrFilter = get_file_filter_all_files();
        of.lpstrCustomFilter = NULL;
        of.nFilterIndex = 0;

        of.lpstrFile = w_file;
        of.nMaxFile = 2048;
        of.lpstrFileTitle = NULL;
        of.lpstrTitle = w_title;
        of.lpstrDefExt = L"";
        of.Flags = OFN_FILEMUSTEXIST | OFN_EXPLORER;
        retval = GetSaveFileNameW(&of);

        if (! retval)
        {
                if (CommDlgExtendedError())
                {
                        gchar *error = g_strdup_printf(
                                "File dialog box error (%x)", (gint) CommDlgExtendedError());
                        win32_message_dialog(NULL, GTK_MESSAGE_ERROR, error);
                        g_free(error);
                }
                return NULL;
        }

        WideCharToMultiByte(CP_UTF8, 0, w_file, -1, tmp, sizeof(tmp), NULL, NULL);

        return g_strdup(tmp);
}


/* initial_dir can be NULL to use the current working directory.
 * Returns: the selected filename */
gchar *win32_show_file_dialog(GtkWindow *parent, const gchar *title, const gchar *initial_file)
{
        OPENFILENAMEW of;
        gint retval;
        gchar tmp[MAX_PATH];
        wchar_t w_file[MAX_PATH];
        wchar_t w_title[512];

        w_file[0] = '\0';

        if (initial_file != NULL)
                MultiByteToWideChar(CP_UTF8, 0, initial_file, -1, w_file, G_N_ELEMENTS(w_file));

        MultiByteToWideChar(CP_UTF8, 0, title, -1, w_title, G_N_ELEMENTS(w_title));

        /* initialise file dialog info struct */
        memset(&of, 0, sizeof of);
#ifdef OPENFILENAME_SIZE_VERSION_400
        of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
#else
        of.lStructSize = sizeof of;
#endif
        of.hwndOwner = GDK_WINDOW_HWND(gtk_widget_get_window(GTK_WIDGET(parent)));

        of.lpstrFile = w_file;
        of.nMaxFile = 2048;
        of.lpstrFileTitle = NULL;
        of.lpstrTitle = w_title;
        of.lpstrDefExt = L"";
        of.Flags = OFN_FILEMUSTEXIST | OFN_EXPLORER;
        retval = GetOpenFileNameW(&of);

        if (! retval)
        {
                if (CommDlgExtendedError())
                {
                        gchar *error = g_strdup_printf(
                                "File dialog box error (%x)", (gint) CommDlgExtendedError());
                        win32_message_dialog(NULL, GTK_MESSAGE_ERROR, error);
                        g_free(error);
                }
                return NULL;
        }

        WideCharToMultiByte(CP_UTF8, 0, w_file, -1, tmp, sizeof(tmp), NULL, NULL);

        return g_strdup(tmp);
}


void win32_show_font_dialog(void)
{
        gint retval;
        CHOOSEFONT cf;
        LOGFONT lf;        /* logical font structure */

        memset(&lf, 0, sizeof lf);
        /* TODO: init lf members */

        memset(&cf, 0, sizeof cf);
        cf.lStructSize = sizeof cf;
        cf.hwndOwner = GDK_WINDOW_HWND(gtk_widget_get_window(main_widgets.window));
        cf.lpLogFont = &lf;
        /* support CF_APPLY? */
        cf.Flags = CF_NOSCRIPTSEL | CF_FORCEFONTEXIST | CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS;

        retval = ChooseFont(&cf);

        if (retval)
        {
                gchar *editorfont = g_strdup_printf("%s %d", lf.lfFaceName, (cf.iPointSize / 10));
                ui_set_editor_font(editorfont);
                g_free(editorfont);
        }
}


void win32_show_color_dialog(const gchar *colour)
{
        CHOOSECOLOR cc;
        static COLORREF acr_cust_clr[16];
        static DWORD rgb_current;
        gchar *hex = g_malloc0(12);
        GeanyDocument *doc = document_get_current();

        /* Initialize CHOOSECOLOR */
        memset(&cc, 0, sizeof cc);
        cc.lStructSize = sizeof(cc);
        cc.hwndOwner = GDK_WINDOW_HWND(gtk_widget_get_window(main_widgets.window));
        cc.lpCustColors = (LPDWORD) acr_cust_clr;
        cc.rgbResult = (colour != NULL) ? utils_parse_color_to_bgr(colour) : 0;
        cc.Flags = CC_FULLOPEN | CC_RGBINIT;

        if (ChooseColor(&cc))
        {
                rgb_current = cc.rgbResult;
                g_snprintf(hex, 11, "#%02X%02X%02X",
              (guint) (utils_scale_round(GetRValue(rgb_current), 255)),
              (guint) (utils_scale_round(GetGValue(rgb_current), 255)),
              (guint) (utils_scale_round(GetBValue(rgb_current), 255)));

                editor_insert_color(doc->editor, hex);
        }
        g_free(hex);
}


void win32_show_pref_file_dialog(GtkEntry *item)
{
        OPENFILENAMEW of;
        gint retval, len;
        wchar_t fname[MAX_PATH];
        gchar tmp[MAX_PATH];
        gchar **field, *filename;

        fname[0] = '\0';

        /* cut the options from the command line */
        field = g_strsplit(gtk_entry_get_text(GTK_ENTRY(item)), " ", 2);
        if (field[0])
        {
                filename = g_find_program_in_path(field[0]);
                if (filename != NULL && g_file_test(filename, G_FILE_TEST_EXISTS))
                {
                        MultiByteToWideChar(CP_UTF8, 0, filename, -1, fname, G_N_ELEMENTS(fname));
                        g_free(filename);
                }
        }

        /* initialize file dialog info struct */
        memset(&of, 0, sizeof of);
#ifdef OPENFILENAME_SIZE_VERSION_400
        of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
#else
        of.lStructSize = sizeof of;
#endif
        of.hwndOwner = GDK_WINDOW_HWND(gtk_widget_get_window(ui_widgets.prefs_dialog));

        of.lpstrFilter = get_filters(FALSE);
        of.lpstrCustomFilter = NULL;
        of.nFilterIndex = 1;

        of.lpstrFile = fname;
        of.nMaxFile = 2048;
        of.lpstrFileTitle = NULL;
        /*of.lpstrInitialDir = g_get_home_dir();*/
        of.lpstrInitialDir = NULL;
        of.lpstrTitle = NULL;
        of.lpstrDefExt = L"exe";
        of.Flags = OFN_HIDEREADONLY | OFN_FILEMUSTEXIST | OFN_EXPLORER;
        retval = GetOpenFileNameW(&of);

        if (!retval)
        {
                if (CommDlgExtendedError())
                {
                        gchar error[100];
                        g_snprintf(error, sizeof error, "File dialog box error (%x)", (int)CommDlgExtendedError());
                        win32_message_dialog(NULL, GTK_MESSAGE_ERROR, error);
                }
                g_strfreev(field);
                return;
        }

        len = WideCharToMultiByte(CP_UTF8, 0, fname, -1, tmp, sizeof(tmp), NULL, NULL);
        if ((of.nFileOffset - 1) != len)
        {
                if (g_strv_length(field) > 1)
                        /* add the command line args of the old command */
                        /** TODO this fails badly when the old command contained spaces, we need quoting here */
                        filename = g_strconcat(tmp, " ", field[1], NULL);
                else
                {
                        filename = g_strdup(tmp);
                }
                gtk_entry_set_text(GTK_ENTRY(item), filename);
                g_free(filename);
        }
        g_strfreev(field);
}


/* Creates a native Windows message box of the given type and returns always TRUE
 * or FALSE representing th pressed Yes or No button.
 * If type is not GTK_MESSAGE_QUESTION, it returns always TRUE. */
gboolean win32_message_dialog(GtkWidget *parent, GtkMessageType type, const gchar *msg)
{
        gboolean ret = TRUE;
        gint rc;
        guint t;
        const gchar *title;
        HWND parent_hwnd = NULL;
        static wchar_t w_msg[512];
        static wchar_t w_title[512];

        switch (type)
        {
                case GTK_MESSAGE_ERROR:
                {
                        t = MB_OK | MB_ICONERROR;
                        title = _("Error");
                        break;
                }
                case GTK_MESSAGE_QUESTION:
                {
                        t = MB_YESNO | MB_ICONQUESTION;
                        title = _("Question");
                        break;
                }
                case GTK_MESSAGE_WARNING:
                {
                        t = MB_OK | MB_ICONWARNING;
                        title = _("Warning");
                        break;
                }
                default:
                {
                        t = MB_OK | MB_ICONINFORMATION;
                        title = _("Information");
                        break;
                }
        }

        /* convert the Unicode chars to wide chars */
        /** TODO test if LANG == C then possibly skip conversion => g_win32_getlocale() */
        MultiByteToWideChar(CP_UTF8, 0, msg, -1, w_msg, G_N_ELEMENTS(w_msg));
        MultiByteToWideChar(CP_UTF8, 0, title, -1, w_title, G_N_ELEMENTS(w_title));

        if (parent != NULL)
                parent_hwnd = GDK_WINDOW_HWND(gtk_widget_get_window(parent));
        else if (main_widgets.window != NULL)
                parent_hwnd = GDK_WINDOW_HWND(gtk_widget_get_window(main_widgets.window));

        /* display the message box */
        rc = MessageBoxW(parent_hwnd, w_msg, w_title, t);

        if (type == GTK_MESSAGE_QUESTION && rc != IDYES)
                ret = FALSE;

        return ret;
}


/* Little wrapper for _waccess(), returns errno or 0 if there was no error */
gint win32_check_write_permission(const gchar *dir)
{
        static wchar_t w_dir[MAX_PATH];
        MultiByteToWideChar(CP_UTF8, 0, dir, -1, w_dir, G_N_ELEMENTS(w_dir));
        if (_waccess(w_dir, R_OK | W_OK) != 0)
                return errno;
        else
                return 0;
}


/* Just a simple wrapper function to open a browser window */
void win32_open_browser(const gchar *uri)
{
        if (strncmp(uri, "file://", 7) == 0)
        {
                uri += 7;
                if (strchr(uri, ':') != NULL)
                {
                        while (*uri == '/')
                                uri++;
                }
        }
        ShellExecute(NULL, "open", uri, NULL, NULL, SW_SHOWNORMAL);
}


/* Returns TRUE if the command, which child_pid refers to, returned with a successful exit code,
 * otherwise FALSE. */
gboolean win32_get_exit_status(GPid child_pid)
{
        DWORD exit_code;
        GetExitCodeProcess(child_pid, &exit_code);

        return (exit_code == 0);
}


static FILE *open_std_handle(DWORD handle, const char *mode)
{
        HANDLE lStdHandle;
        int hConHandle;
        FILE *fp;

        lStdHandle = GetStdHandle(handle);
        if (lStdHandle == INVALID_HANDLE_VALUE)
        {
                gchar *err = g_win32_error_message(GetLastError());
                g_warning("GetStdHandle(%ld) failed: %s", (long)handle, err);
                g_free(err);
                return NULL;
        }
        hConHandle = _open_osfhandle((long)lStdHandle, _O_TEXT);
        if (hConHandle == -1)
        {
                gchar *err = g_win32_error_message(GetLastError());
                g_warning("_open_osfhandle(%ld, _O_TEXT) failed: %s", (long)lStdHandle, err);
                g_free(err);
                return NULL;
        }
        fp = _fdopen(hConHandle, mode);
        if (! fp)
        {
                gchar *err = g_win32_error_message(GetLastError());
                g_warning("_fdopen(%d, \"%s\") failed: %s", hConHandle, mode, err);
                g_free(err);
                return NULL;
        }
        if (setvbuf(fp, NULL, _IONBF, 0) != 0)
        {
                gchar *err = g_win32_error_message(GetLastError());
                g_warning("setvbuf(%p, NULL, _IONBF, 0) failed: %s", fp, err);
                g_free(err);
                fclose(fp);
                return NULL;
        }

        return fp;
}


static void debug_setup_console(void)
{
        static const WORD MAX_CONSOLE_LINES = 500;
        CONSOLE_SCREEN_BUFFER_INFO coninfo;
        FILE    *fp;

        /* allocate a console for this app */
        AllocConsole();

        /* set the screen buffer to be big enough to let us scroll text */
        GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
        coninfo.dwSize.Y = MAX_CONSOLE_LINES;
        SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);

        /* redirect unbuffered STDOUT to the console */
        fp = open_std_handle(STD_OUTPUT_HANDLE, "w");
        if (fp)
                *stdout = *fp;

        /* redirect unbuffered STDERR to the console */
        fp = open_std_handle(STD_ERROR_HANDLE, "w");
        if (fp)
                *stderr = *fp;

        /* redirect unbuffered STDIN to the console */
        fp = open_std_handle(STD_INPUT_HANDLE, "r");
        if (fp)
                *stdin = *fp;
}


void win32_init_debug_code(void)
{
        if (app->debug_mode)
        {
                /* create a console window to get log messages on Windows,
                 * especially useful when generating tags files */
                debug_setup_console();
                /* Enable GLib process spawn debug mode when Geany was started with the debug flag */
                g_setenv("G_SPAWN_WIN32_DEBUG", "1", FALSE);
        }
}


static gchar *create_temp_file(void)
{
        gchar *name;
        gint fd;

        fd = g_file_open_tmp("tmp_XXXXXX", &name, NULL);
        if (fd == -1)
                name = NULL;
        else
                close(fd);

        return name;
}


/* Sometimes this blocks for 30s before aborting when there are several
 * pages of (error) output and sometimes hangs - see the FIXME.
 * Also gw_spawn.dwExitCode seems to be not set properly. */
/* Process spawning implementation for Windows, by Pierre Joye.
 * Don't call this function directly, use utils_spawn_[a]sync() instead. */
static
gboolean _broken_win32_spawn(const gchar *dir, gchar **argv, gchar **env, GSpawnFlags flags,
                                         gchar **std_out, gchar **std_err, gint *exit_status, GError **error)
{
        TCHAR  buffer[CMDSIZE]=TEXT("");
        TCHAR  cmdline[CMDSIZE] = TEXT("");
        TCHAR* lpPart[CMDSIZE]={NULL};
        DWORD  retval = 0;
        gint argc = 0, i;
        gint cmdpos = 0;

        SECURITY_ATTRIBUTES saAttr;
        BOOL fSuccess;
        geany_win32_spawn gw_spawn;

        /* Temp file */
        HANDLE hStdoutTempFile = NULL;
        HANDLE hStderrTempFile = NULL;

        gchar *stdout_content = NULL;
        gchar *stderr_content = NULL;

        while (argv[argc])
        {
                ++argc;
        }
        g_return_val_if_fail (std_out == NULL ||
                                                !(flags & G_SPAWN_STDOUT_TO_DEV_NULL), FALSE);
        g_return_val_if_fail (std_err == NULL ||
                                                !(flags & G_SPAWN_STDERR_TO_DEV_NULL), FALSE);

        if (flags & G_SPAWN_SEARCH_PATH)
        {
                retval = SearchPath(NULL, argv[0], ".exe", sizeof(buffer), buffer, lpPart);
                if (retval > 0)
                        g_snprintf(cmdline, sizeof(cmdline), "\"%s\"", buffer);
                else
                        g_strlcpy(cmdline, argv[0], sizeof(cmdline));
                cmdpos = 1;
        }

        for (i = cmdpos; i < argc; i++)
        {
                g_snprintf(cmdline, sizeof(cmdline), "%s %s", cmdline, argv[i]);
                /*MessageBox(NULL, cmdline, cmdline, MB_OK);*/
        }

        if (std_err != NULL)
        {
                hStderrTempFile = GetTempFileHandle(error);
                if (hStderrTempFile == INVALID_HANDLE_VALUE)
                {
                        gchar *msg = g_win32_error_message(GetLastError());
                        geany_debug("win32_spawn: Second CreateFile failed (%d)", (gint) GetLastError());
                        g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR, "%s", msg);
                        g_free(msg);
                        return FALSE;
                }
        }

        if (std_out != NULL)
        {
                hStdoutTempFile = GetTempFileHandle(error);
                if (hStdoutTempFile == INVALID_HANDLE_VALUE)
                {
                        gchar *msg = g_win32_error_message(GetLastError());
                        geany_debug("win32_spawn: Second CreateFile failed (%d)", (gint) GetLastError());
                        g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR, "%s", msg);
                        g_free(msg);
                        return FALSE;
                }
        }

        /* Set the bInheritHandle flag so pipe handles are inherited. */
        saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
        saAttr.bInheritHandle = TRUE;
        saAttr.lpSecurityDescriptor = NULL;

        /* Get the handle to the current STDOUT and STDERR. */
        gw_spawn.hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
        gw_spawn.hStderr = GetStdHandle(STD_ERROR_HANDLE);
        gw_spawn.dwExitCode = 0;

        /* Create a pipe for the child process's STDOUT. */
        if (! CreatePipe(&(gw_spawn.hChildStdoutRd), &(gw_spawn.hChildStdoutWr), &saAttr, 0))
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("win32_spawn: Stdout pipe creation failed (%d)", (gint) GetLastError());
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR_PIPE, "%s", msg);
                g_free(msg);
                return FALSE;
        }

        /* Ensure that the read handle to the child process's pipe for STDOUT is not inherited.*/
        SetHandleInformation(gw_spawn.hChildStdoutRd, HANDLE_FLAG_INHERIT, 0);

        /* Create a pipe for the child process's STDERR. */
        if (! CreatePipe(&(gw_spawn.hChildStderrRd), &(gw_spawn.hChildStderrWr), &saAttr, 0))
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("win32_spawn: Stderr pipe creation failed");
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR_PIPE, "%s", msg);
                g_free(msg);
                return FALSE;
        }

        /* Ensure that the read handle to the child process's pipe for STDOUT is not inherited.*/
        SetHandleInformation(gw_spawn.hChildStderrRd, HANDLE_FLAG_INHERIT, 0);

        /* Create a pipe for the child process's STDIN.  */
        if (! CreatePipe(&(gw_spawn.hChildStdinRd), &(gw_spawn.hChildStdinWr), &saAttr, 0))
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("win32_spawn: Stdin pipe creation failed");
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR_PIPE, "%s", msg);
                g_free(msg);
                return FALSE;
        }

        /* Ensure that the write handle to the child process's pipe for STDIN is not inherited. */
        SetHandleInformation(gw_spawn.hChildStdinWr, HANDLE_FLAG_INHERIT, 0);

        /* Now create the child process. */
        fSuccess = CreateChildProcess(&gw_spawn, cmdline, dir, error);
        if (exit_status)
        {
                *exit_status = gw_spawn.dwExitCode;
        }

        if (! fSuccess)
        {
                geany_debug("win32_spawn: Create process failed");
                return FALSE;
        }

        /* Read from pipe that is the standard output for child process. */
        if (std_out != NULL)
        {
                ReadFromPipe(gw_spawn.hChildStdoutRd, gw_spawn.hChildStdoutWr, hStdoutTempFile, error);
                if (! GetContentFromHandle(hStdoutTempFile, &stdout_content, error))
                {
                        return FALSE;
                }
                *std_out = stdout_content;
        }

        if (std_err != NULL)
        {
                ReadFromPipe(gw_spawn.hChildStderrRd, gw_spawn.hChildStderrWr, hStderrTempFile, error);
                if (! GetContentFromHandle(hStderrTempFile, &stderr_content, error))
                {
                        return FALSE;
                }
                *std_err = stderr_content;
        }
        return TRUE;
}


/* Note: g_spawn is broken for receiving both stdio and stderr e.g. when
 * running make and there are compile errors. See glib/giowin32.c header
 * comment about Windows bugs, e.g. #338943 */
/* Simple replacement for _broken_win32_spawn().
 * flags is ignored, G_SPAWN_SEARCH_PATH is implied.
 * Don't call this function directly, use utils_spawn_[a]sync() instead.
 * Adapted from tm_workspace_create_global_tags(). */
gboolean win32_spawn(const gchar *dir, gchar **argv, gchar **env, GSpawnFlags flags,
                                         gchar **std_out, gchar **std_err, gint *exit_status, GError **error)
{
        gint ret;
        gboolean fail;
        gchar *tmp_file = create_temp_file();
        gchar *tmp_errfile = create_temp_file();
        gchar *command;
        gchar *locale_command;

        if (env != NULL)
        {
                return _broken_win32_spawn(dir, argv, env, flags, std_out, std_err,
                        exit_status, error);
        }
        if (!tmp_file || !tmp_errfile)
        {
                g_warning("%s: Could not create temporary files!", G_STRFUNC);
                return FALSE;
        }
        command = g_strjoinv(" ", argv);
        SETPTR(command, g_strdup_printf("cmd.exe /S /C \"%s >%s 2>%s\"",
                command, tmp_file, tmp_errfile));
        locale_command = g_locale_from_utf8(command, -1, NULL, NULL, NULL);
        if (! locale_command)
                locale_command = g_strdup(command);
        geany_debug("WIN32: actually running command:\n%s", command);
        g_chdir(dir);
        errno = 0;
        ret = system(locale_command);
        /* the command can return -1 as an exit code, so check errno also */
        fail = ret == -1 && errno;
        if (!fail)
        {
                if (std_out != NULL)
                        g_file_get_contents(tmp_file, std_out, NULL, NULL);
                if (std_err != NULL)
                        g_file_get_contents(tmp_errfile, std_err, NULL, NULL);
        }
        else if (error)
                g_set_error_literal(error, G_SPAWN_ERROR, errno, g_strerror(errno));

        g_free(command);
        g_free(locale_command);
        g_unlink(tmp_file);
        g_free(tmp_file);
        g_unlink(tmp_errfile);
        g_free(tmp_errfile);
        if (exit_status)
                *exit_status = ret;

        return !fail;
}


static gboolean GetContentFromHandle(HANDLE hFile, gchar **content, GError **error)
{
        DWORD filesize;
        gchar * buffer;
        DWORD dwRead;

        filesize = GetFileSize(hFile, NULL);
        if (filesize < 1)
        {
                *content = NULL;
                return TRUE;
        }

        buffer = g_malloc(filesize + 1);
        if (! buffer)
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("GetContentFromHandle: Alloc failed");
                g_set_error(error, G_SPAWN_ERROR, G_SPAWN_ERROR, "%s", msg);
                g_free(msg);
                return FALSE;
        }

        SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
        if (! ReadFile(hFile, buffer, filesize, &dwRead, NULL) || dwRead == 0)
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("GetContentFromHandle: Cannot read tempfile");
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR_FAILED, "%s", msg);
                g_free(msg);
                return FALSE;
        }

        if (! CloseHandle(hFile))
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("GetContentFromHandle: CloseHandle failed (%d)", (gint) GetLastError());
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR_FAILED, "%s", msg);
                g_free(msg);
                g_free(buffer);
                *content = NULL;
                return FALSE;
        }
        buffer[filesize] = '\0';
        *content = buffer;
        return TRUE;
}


gchar *win32_expand_environment_variables(const gchar *str)
{
        gchar expCmdline[32768]; /* 32768 is the limit for ExpandEnvironmentStrings() */

        if (ExpandEnvironmentStrings((LPCTSTR) str, (LPTSTR) expCmdline, sizeof(expCmdline)) != 0)
                return g_strdup(expCmdline);
        else
                return g_strdup(str);
}


static gboolean CreateChildProcess(geany_win32_spawn *gw_spawn, TCHAR *szCmdline,
                const TCHAR *dir, GError **error)
{
        PROCESS_INFORMATION piProcInfo;
        STARTUPINFOW siStartInfo;
        BOOL bFuncRetn = FALSE;
        gchar *expandedCmdline;
        wchar_t w_commandline[CMDSIZE];
        wchar_t w_dir[MAX_PATH];

        /* Set up members of the PROCESS_INFORMATION structure. */
        ZeroMemory(&piProcInfo, sizeof(PROCESS_INFORMATION));

        /* Set up members of the STARTUPINFO structure.*/
        ZeroMemory(&siStartInfo, sizeof(STARTUPINFO));

        siStartInfo.cb         = sizeof(STARTUPINFO);
        siStartInfo.hStdError  = gw_spawn->hChildStderrWr;
        siStartInfo.hStdOutput = gw_spawn->hChildStdoutWr;
        siStartInfo.hStdInput  = gw_spawn->hChildStdinRd;
        siStartInfo.dwFlags   |= STARTF_USESTDHANDLES;

        /* Expand environment variables like %blah%. */
        expandedCmdline = win32_expand_environment_variables(szCmdline);

        MultiByteToWideChar(CP_UTF8, 0, expandedCmdline, -1, w_commandline, G_N_ELEMENTS(w_commandline));
        MultiByteToWideChar(CP_UTF8, 0, dir, -1, w_dir, G_N_ELEMENTS(w_dir));

        /* Create the child process. */
        bFuncRetn = CreateProcessW(NULL,
                w_commandline,             /* command line */
                NULL,          /* process security attributes */
                NULL,          /* primary thread security attributes */
                TRUE,          /* handles are inherited */
                CREATE_NO_WINDOW,             /* creation flags */
                NULL,          /* use parent's environment */
                w_dir,           /* use parent's current directory */
                &siStartInfo,  /* STARTUPINFO pointer */
                &piProcInfo);  /* receives PROCESS_INFORMATION */

        g_free(expandedCmdline);

        if (bFuncRetn == 0)
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("CreateChildProcess: CreateProcess failed (%s)", msg);
                g_set_error(error, G_SPAWN_ERROR, G_SPAWN_ERROR_FAILED, "%s", msg);
                g_free(msg);
                return FALSE;
        }
        else
        {
                gint i;
                gsize ms = 30*1000;

                /* FIXME: this seems to timeout when there are many lines
                 * to read - maybe because the child's pipe is full */
                for (i = 0; i < 2 &&
                        WaitForSingleObject(piProcInfo.hProcess, ms) == WAIT_TIMEOUT; i++)
                {
                        ui_set_statusbar(FALSE, _("Process timed out after %.02f s!"), ms / 1000.0F);
                        geany_debug("CreateChildProcess: timed out");
                        TerminateProcess(piProcInfo.hProcess, WAIT_TIMEOUT); /* NOTE: This will not kill grandkids. */
                }

                if (!GetExitCodeProcess(piProcInfo.hProcess, &gw_spawn->dwExitCode))
                {
                        gchar *msg = g_win32_error_message(GetLastError());
                        geany_debug("GetExitCodeProcess failed: %s", msg);
                        g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR_FAILED, "%s", msg);
                        g_free(msg);
                }
                CloseHandle(piProcInfo.hProcess);
                CloseHandle(piProcInfo.hThread);
                return bFuncRetn;
        }
        return FALSE;
}


static VOID ReadFromPipe(HANDLE hRead, HANDLE hWrite, HANDLE hFile, GError **error)
{
        DWORD dwRead, dwWritten;
        CHAR chBuf[BUFSIZE];

        /* Close the write end of the pipe before reading from the
           read end of the pipe. */
        if (! CloseHandle(hWrite))
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("ReadFromPipe: Closing handle failed");
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR_PIPE, "%s", msg);
                g_free(msg);
                return;
        }

        /* Read output from the child process, and write to parent's STDOUT. */
        for (;;)
        {
                if (! ReadFile(hRead, chBuf, BUFSIZE, &dwRead, NULL) || dwRead == 0)
                        break;

                if (! WriteFile(hFile, chBuf, dwRead, &dwWritten, NULL))
                        break;
        }
}


static HANDLE GetTempFileHandle(GError **error)
{
        /* Temp file */
        DWORD dwBufSize = BUFSIZE;
        UINT uRetVal;
        TCHAR szTempName[BUFSIZE];
        TCHAR lpPathBuffer[BUFSIZE];
        DWORD dwRetVal;
        HANDLE hTempFile;

        /* Get the temp path. */
        dwRetVal = GetTempPath(dwBufSize,     /* length of the buffer*/
                                                   lpPathBuffer); /* buffer for path */

        if (dwRetVal > dwBufSize || (dwRetVal == 0))
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("GetTempFileHandle: GetTempPath failed (%d)", (gint) GetLastError());
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR, "%s", msg);
                g_free(msg);
                return NULL;
        }

        /* Create a temporary file for STDOUT. */
        uRetVal = GetTempFileName(lpPathBuffer, /* directory for tmp files */
                                                          TEXT("GEANY_VCDIFF_"),  /* temp file name prefix */
                                                          0,            /* create unique name */
                                                          szTempName);  /* buffer for name */
        if (uRetVal == 0)
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("GetTempFileName failed (%d)", (gint) GetLastError());
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR, "%s", msg);
                g_free(msg);
                return NULL;
        }

        hTempFile = CreateFile((LPTSTR) szTempName, /* file name */
                                                   GENERIC_READ | GENERIC_WRITE, /* open r-w */
                                                   0,                    /* do not share */
                                                   NULL,                 /* default security */
                                                   CREATE_ALWAYS,        /* overwrite existing */
                                                   FILE_ATTRIBUTE_NORMAL,/* normal file */
                                                   NULL);                /* no template */

        if (hTempFile == INVALID_HANDLE_VALUE)
        {
                gchar *msg = g_win32_error_message(GetLastError());
                geany_debug("GetTempFileHandle: Second CreateFile failed (%d)", (gint) GetLastError());
                g_set_error(error, G_SPAWN_ERROR, G_FILE_ERROR, "%s", msg);
                g_free(msg);
                return NULL;
        }
        return hTempFile;
}


/* From GDK (they got it from MS Knowledge Base article Q130698) */
static gboolean resolve_link(HWND hWnd, wchar_t *link, gchar **lpszPath)
{
        WIN32_FILE_ATTRIBUTE_DATA wfad;
        HRESULT hres;
        IShellLinkW *pslW = NULL;
        IPersistFile *ppf = NULL;
        LPVOID pslWV = NULL;
        LPVOID ppfV = NULL;

        /* Check if the file is empty first because IShellLink::Resolve for some reason succeeds
         * with an empty file and returns an empty "link target". (#524151) */
        if (!GetFileAttributesExW(link, GetFileExInfoStandard, &wfad) ||
                (wfad.nFileSizeHigh == 0 && wfad.nFileSizeLow == 0))
        {
          return FALSE;
        }

        /* Assume failure to start with: */
        *lpszPath = 0;

        CoInitialize(NULL);

        hres = CoCreateInstance(
                &CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, &IID_IShellLinkW, &pslWV);

        if (SUCCEEDED(hres))
        {
                /* The IShellLink interface supports the IPersistFile interface.
                 * Get an interface pointer to it. */
                pslW = (IShellLinkW*) pslWV;
                hres = pslW->lpVtbl->QueryInterface(pslW, &IID_IPersistFile, &ppfV);
        }

        if (SUCCEEDED(hres))
        {
                /* Load the file. */
                ppf = (IPersistFile*) ppfV;
                hres = ppf->lpVtbl->Load(ppf, link, STGM_READ);
        }

        if (SUCCEEDED(hres))
        {
                /* Resolve the link by calling the Resolve() interface function. */
                hres = pslW->lpVtbl->Resolve(pslW, hWnd, SLR_ANY_MATCH | SLR_NO_UI);
        }

        if (SUCCEEDED(hres))
        {
                wchar_t wtarget[MAX_PATH];

                hres = pslW->lpVtbl->GetPath(pslW, wtarget, MAX_PATH, NULL, 0);
                if (SUCCEEDED(hres))
                        *lpszPath = g_utf16_to_utf8(wtarget, -1, NULL, NULL, NULL);
        }

        if (ppf)
                ppf->lpVtbl->Release(ppf);

        if (pslW)
                pslW->lpVtbl->Release(pslW);

        return SUCCEEDED(hres);
}


/* Checks whether file_name is a Windows shortcut. file_name is expected in UTF-8 encoding.
 * If file_name is a Windows shortcut, it returns the target in UTF-8 encoding.
 * If it is not a shortcut, it returns a newly allocated copy of file_name. */
gchar *win32_get_shortcut_target(const gchar *file_name)
{
        gchar *path = NULL;
        wchar_t *wfilename = g_utf8_to_utf16(file_name, -1, NULL, NULL, NULL);

        resolve_link(GDK_WINDOW_HWND(gtk_widget_get_window(main_widgets.window)), wfilename, &path);
        g_free(wfilename);

        if (path == NULL)
                return g_strdup(file_name);
        else
                return path;
}


void win32_set_working_directory(const gchar *dir)
{
        SetCurrentDirectory(dir);
}


gchar *win32_get_installation_dir(void)
{
        return g_win32_get_package_installation_directory_of_module(NULL);
}


#endif