ref: 4e50046d4b4c57f2b4d7bcf20dedcb913c266020
dir: /DoConfig/fltk/src/Fl_Native_File_Chooser_GTK.cxx/
// "$Id$"
//
// FLTK native file chooser widget wrapper for GTK's GtkFileChooserDialog
//
// Copyright 1998-2014 by Bill Spitzak and others.
// Copyright 2012 IMM
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems to:
//
// http://www.fltk.org/str.php
//
#include <FL/x.H>
#if HAVE_DLSYM && HAVE_DLFCN_H
#include <dlfcn.h> // for dlopen et al
#endif
#include <locale.h> // for setlocale
/* --------------------- Type definitions from GLIB and GTK --------------------- */
/* all of this is from the public gnome API, so unlikely to change */
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
typedef void* gpointer;
typedef int gint;
typedef unsigned int guint;
typedef unsigned long gulong;
typedef gint gboolean;
typedef char gchar;
typedef struct _GSList GSList;
struct _GSList
{
gpointer data;
GSList *next;
};
#define g_slist_next(slist) ((slist) ? (((GSList *)(slist))->next) : NULL)
typedef struct _GtkWidget GtkWidget;
typedef struct _GtkFileChooser GtkFileChooser;
typedef struct _GtkDialog GtkDialog;
typedef struct _GtkWindow GtkWindow;
typedef struct _GdkDrawable GdkWindow;
typedef struct _GtkFileFilter GtkFileFilter;
typedef struct _GtkToggleButton GtkToggleButton;
typedef enum {
GTK_FILE_FILTER_FILENAME = 1 << 0,
GTK_FILE_FILTER_URI = 1 << 1,
GTK_FILE_FILTER_DISPLAY_NAME = 1 << 2,
GTK_FILE_FILTER_MIME_TYPE = 1 << 3
} GtkFileFilterFlags;
struct _GtkFileFilterInfo
{
GtkFileFilterFlags contains;
const gchar *filename;
const gchar *uri;
const gchar *display_name;
const gchar *mime_type;
};
typedef struct _GtkFileFilterInfo GtkFileFilterInfo;
typedef gboolean (*GtkFileFilterFunc) (const GtkFileFilterInfo *filter_info, gpointer data);
typedef void (*GDestroyNotify)(gpointer data);
typedef enum
{
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER
} GtkFileChooserAction;
#define GTK_STOCK_CANCEL "gtk-cancel"
#define GTK_STOCK_SAVE "gtk-save"
#define GTK_STOCK_OPEN "gtk-open"
const int GTK_RESPONSE_NONE = -1;
const int GTK_RESPONSE_ACCEPT = -3;
const int GTK_RESPONSE_DELETE_EVENT = -4;
const int GTK_RESPONSE_CANCEL = -6;
typedef void (*GCallback)(void);
#define G_CALLBACK(f) ((GCallback) (f))
typedef int GConnectFlags;
typedef struct _GClosure GClosure;
typedef void (*GClosureNotify)(gpointer data, GClosure *closure);
/* --------------------- End of Type definitions from GLIB and GTK --------------------- */
int Fl_GTK_File_Chooser::did_find_GTK_libs = 0;
/* These are the GTK/GLib methods we want to load, but not call by name...! */
// void g_free (gpointer mem);
typedef void (*XX_g_free)(gpointer);
static XX_g_free fl_g_free = NULL;
// gpointer g_slist_nth_data (GSList *list, guint n);
typedef gpointer (*XX_g_slist_nth_data) (GSList *, guint);
static XX_g_slist_nth_data fl_g_slist_nth_data = NULL;
// guint g_slist_length (GSList *list);
typedef guint (*XX_g_slist_length) (GSList *);
static XX_g_slist_length fl_g_slist_length = NULL;
// void g_slist_free (GSList *list);
typedef void (*XX_g_slist_free) (GSList *);
static XX_g_slist_free fl_g_slist_free = NULL;
// gboolean gtk_init_check (int *argc, char ***argv);
typedef gboolean (*XX_gtk_init_check)(int *, char ***);
static XX_gtk_init_check fl_gtk_init_check = NULL;
// void gtk_widget_destroy (GtkWidget *widget);
typedef void (*XX_gtk_widget_destroy) (GtkWidget *);
static XX_gtk_widget_destroy fl_gtk_widget_destroy = NULL;
// void gtk_file_chooser_set_select_multiple(GtkFileChooser *chooser, gboolean select_multiple);
typedef void (*XX_gtk_file_chooser_set_select_multiple)(GtkFileChooser *, gboolean);
static XX_gtk_file_chooser_set_select_multiple fl_gtk_file_chooser_set_select_multiple = NULL;
// void gtk_file_chooser_set_do_overwrite_confirmation(GtkFileChooser *chooser, gboolean do_overwrite_confirmation);
typedef void (*XX_gtk_file_chooser_set_do_overwrite_confirmation)(GtkFileChooser *, gboolean);
static XX_gtk_file_chooser_set_do_overwrite_confirmation fl_gtk_file_chooser_set_do_overwrite_confirmation = NULL;
// void gtk_file_chooser_set_current_name (GtkFileChooser *chooser, const gchar *name);
typedef void (*XX_gtk_file_chooser_set_current_name)(GtkFileChooser *, const gchar *);
static XX_gtk_file_chooser_set_current_name fl_gtk_file_chooser_set_current_name = NULL;
// void gtk_file_chooser_set_current_folder (GtkFileChooser *chooser, const gchar *name);
typedef void (*XX_gtk_file_chooser_set_current_folder)(GtkFileChooser *, const gchar *);
static XX_gtk_file_chooser_set_current_folder fl_gtk_file_chooser_set_current_folder = NULL;
// void gtk_file_chooser_set_create_folders (GtkFileChooser *chooser, gboolean create_folders);
typedef void (*XX_gtk_file_chooser_set_create_folders) (GtkFileChooser *, gboolean);
static XX_gtk_file_chooser_set_create_folders fl_gtk_file_chooser_set_create_folders = NULL;
// gboolean gtk_file_chooser_get_select_multiple(GtkFileChooser *chooser);
typedef gboolean (*XX_gtk_file_chooser_get_select_multiple)(GtkFileChooser *);
static XX_gtk_file_chooser_get_select_multiple fl_gtk_file_chooser_get_select_multiple = NULL;
// void gtk_widget_hide(GtkWidget *widget);
typedef void (*XX_gtk_widget_hide)(GtkWidget *);
static XX_gtk_widget_hide fl_gtk_widget_hide = NULL;
// gchar * gtk_file_chooser_get_filename(GtkFileChooser *chooser);
typedef gchar* (*XX_gtk_file_chooser_get_filename)(GtkFileChooser *);
static XX_gtk_file_chooser_get_filename fl_gtk_file_chooser_get_filename = NULL;
// GSList * gtk_file_chooser_get_filenames(GtkFileChooser *chooser);
typedef GSList* (*XX_gtk_file_chooser_get_filenames)(GtkFileChooser *chooser);
static XX_gtk_file_chooser_get_filenames fl_gtk_file_chooser_get_filenames = NULL;
// gboolean gtk_main_iteration(void);
typedef gboolean (*XX_gtk_main_iteration)(void);
static XX_gtk_main_iteration fl_gtk_main_iteration = NULL;
// gboolean gtk_events_pending(void);
typedef gboolean (*XX_gtk_events_pending)(void);
static XX_gtk_events_pending fl_gtk_events_pending = NULL;
// GtkWidget * gtk_file_chooser_dialog_new(const gchar *title, GtkWindow *parent, GtkFileChooserAction action, const gchar *first_button_text, ...);
typedef GtkWidget* (*XX_gtk_file_chooser_dialog_new)(const gchar *, GtkWindow *, GtkFileChooserAction, const gchar *, ...);
static XX_gtk_file_chooser_dialog_new fl_gtk_file_chooser_dialog_new = NULL;
// void gtk_file_chooser_add_filter(GtkFileChooser*, GtkFileFilter*);
typedef void (*XX_gtk_file_chooser_add_filter)(GtkFileChooser*, GtkFileFilter*);
static XX_gtk_file_chooser_add_filter fl_gtk_file_chooser_add_filter = NULL;
// GtkFileFilter* gtk_file_chooser_get_filter(GtkFileChooser*);
typedef GtkFileFilter* (*XX_gtk_file_chooser_get_filter)(GtkFileChooser*);
static XX_gtk_file_chooser_get_filter fl_gtk_file_chooser_get_filter = NULL;
// void gtk_file_chooser_set_filter(GtkFileChooser*, GtkFileFilter*);
typedef void (*XX_gtk_file_chooser_set_filter)(GtkFileChooser*, GtkFileFilter*);
static XX_gtk_file_chooser_set_filter fl_gtk_file_chooser_set_filter = NULL;
// GtkFileFilter * gtk_file_filter_new();
typedef GtkFileFilter* (*XX_gtk_file_filter_new)(void);
static XX_gtk_file_filter_new fl_gtk_file_filter_new = NULL;
// void gtk_file_filter_add_pattern(GtkFileFilter*, const gchar*);
typedef void (*XX_gtk_file_filter_add_pattern)(GtkFileFilter*, const gchar*);
static XX_gtk_file_filter_add_pattern fl_gtk_file_filter_add_pattern = NULL;
// void gtk_file_filter_add_custom(GtkFileFilter *filter, GtkFileFilterFlags needed,
// GtkFileFilterFunc func, gpointer data, GDestroyNotify notify);
typedef void (*XX_gtk_file_filter_add_custom)(GtkFileFilter *filter, GtkFileFilterFlags needed,
GtkFileFilterFunc func, gpointer data,
GDestroyNotify notify);
static XX_gtk_file_filter_add_custom fl_gtk_file_filter_add_custom = NULL;
// void gtk_file_filter_set_name(GtkFileFilter*, const gchar*);
typedef void (*XX_gtk_file_filter_set_name)(GtkFileFilter*, const gchar*);
static XX_gtk_file_filter_set_name fl_gtk_file_filter_set_name = NULL;
// const gchar* gtk_file_filter_get_name(GtkFileFilter*);
typedef const gchar* (*XX_gtk_file_filter_get_name)(GtkFileFilter*);
static XX_gtk_file_filter_get_name fl_gtk_file_filter_get_name = NULL;
// void gtk_file_chooser_set_extra_widget(GtkFileChooser *, GtkWidget *);
typedef void (*XX_gtk_file_chooser_set_extra_widget)(GtkFileChooser *, GtkWidget *);
static XX_gtk_file_chooser_set_extra_widget fl_gtk_file_chooser_set_extra_widget = NULL;
// void gtk_widget_show_now(GtkWidget *);
typedef void (*XX_gtk_widget_show_now)(GtkWidget *);
static XX_gtk_widget_show_now fl_gtk_widget_show_now = NULL;
// GdkWindow* gtk_widget_get_window(GtkWidget *);
typedef GdkWindow* (*XX_gtk_widget_get_window)(GtkWidget *);
static XX_gtk_widget_get_window fl_gtk_widget_get_window = NULL;
// Window gdk_x11_drawable_get_xid(GdkWindow *);
typedef Window (*XX_gdk_x11_drawable_get_xid)(GdkWindow *);
static XX_gdk_x11_drawable_get_xid fl_gdk_x11_drawable_get_xid = NULL;
// GtkWidget *gtk_check_button_new_with_label(const gchar *);
typedef GtkWidget* (*XX_gtk_check_button_new_with_label)(const gchar *);
static XX_gtk_check_button_new_with_label fl_gtk_check_button_new_with_label = NULL;
// gulong g_signal_connect_data(gpointer, const gchar *, GCallback, gpointer, GClosureNotify, GConnectFlags);
typedef gulong (*XX_g_signal_connect_data)(gpointer, const gchar *, GCallback, gpointer, GClosureNotify, GConnectFlags);
static XX_g_signal_connect_data fl_g_signal_connect_data = NULL;
// gboolean gtk_toggle_button_get_active(GtkToggleButton *);
typedef gboolean (*XX_gtk_toggle_button_get_active)(GtkToggleButton*);
static XX_gtk_toggle_button_get_active fl_gtk_toggle_button_get_active = NULL;
// void gtk_file_chooser_set_show_hidden(GtkFileChooser *, gboolean);
typedef void (*XX_gtk_file_chooser_set_show_hidden)(GtkFileChooser *, gboolean);
static XX_gtk_file_chooser_set_show_hidden fl_gtk_file_chooser_set_show_hidden = NULL;
// gboolean gtk_file_chooser_get_show_hidden(GtkFileChooser *);
typedef gboolean (*XX_gtk_file_chooser_get_show_hidden)(GtkFileChooser *);
static XX_gtk_file_chooser_get_show_hidden fl_gtk_file_chooser_get_show_hidden = NULL;
// void gtk_toggle_button_set_active(GtkToggleButton *, gboolean);
typedef void (*XX_gtk_toggle_button_set_active)(GtkToggleButton *, gboolean);
static XX_gtk_toggle_button_set_active fl_gtk_toggle_button_set_active = NULL;
Fl_GTK_File_Chooser::Fl_GTK_File_Chooser(int val) : Fl_FLTK_File_Chooser(-1)
{
gtkw_ptr = NULL; // used to hold a GtkWidget*
gtkw_slist = NULL; // will hold the returned file names in a multi-selection...
gtkw_count = 0; // How many items were selected?
gtkw_filename = NULL; // holds the last name we read back in a single file selection...
gtkw_title = NULL; // dialog title
_btype = val;
previous_filter = NULL;
}
Fl_GTK_File_Chooser::~Fl_GTK_File_Chooser()
{
// Should free up resources taken for...
if(gtkw_ptr) {
fl_gtk_widget_destroy (gtkw_ptr);
gtkw_ptr = NULL;
}
if(gtkw_filename) {
fl_g_free(gtkw_filename);
gtkw_filename = NULL;
}
if(gtkw_slist) {
GSList *iter = (GSList *)gtkw_slist;
while(iter) {
if(iter->data) fl_g_free(iter->data);
iter = g_slist_next(iter);
}
fl_g_slist_free((GSList *)gtkw_slist);
gtkw_slist = NULL;
}
gtkw_count = 0; // assume we have no files selected now
gtkw_title = strfree(gtkw_title);
}
void Fl_GTK_File_Chooser::type(int val) {
_btype = val;
}
int Fl_GTK_File_Chooser::count() const {
return gtkw_count;
}
const char *Fl_GTK_File_Chooser::filename() const
{
if(gtkw_ptr) {
if(fl_gtk_file_chooser_get_select_multiple((GtkFileChooser *)gtkw_ptr) == FALSE) {
return gtkw_filename;
}
else {
GSList *iter = (GSList *)gtkw_slist;
char *nm = (char *)iter->data;
return nm;
}
}
return("");
}
const char *Fl_GTK_File_Chooser::filename(int i) const
{
if(fl_gtk_file_chooser_get_select_multiple((GtkFileChooser *)gtkw_ptr) == FALSE) {
return gtkw_filename;
}
else {
if ((unsigned)i < gtkw_count) {
GSList *iter = (GSList *)gtkw_slist;
char *nm = (char *)fl_g_slist_nth_data(iter, i);
return nm;
}
}
return("");
}
void Fl_GTK_File_Chooser::title(const char *val)
{
strfree(gtkw_title);
gtkw_title = strnew(val);
}
const char* Fl_GTK_File_Chooser::title() const
{
return gtkw_title;
}
/* changes the extension of the outfile in the chooser according to newly selected filter */
void Fl_GTK_File_Chooser::changed_output_type(const char *filter)
{
if ( !(options()&Fl_Native_File_Chooser::USE_FILTER_EXT) ) return;
if (strchr(filter, '(') || strchr(filter, '{') || strchr(filter+1, '*') || strncmp(filter, "*.", 2)) return;
const char *p = fl_gtk_file_chooser_get_filename((GtkFileChooser*)gtkw_ptr);
if (!p) return;
p = fl_filename_name(p);
const char *q = strrchr(p, '.');
if (!q) q = p + strlen(p);
char *r = new char[strlen(p) + strlen(filter)];
strcpy(r, p);
strcpy(r + (q - p), filter + 1);
fl_gtk_file_chooser_set_current_name((GtkFileChooser*)gtkw_ptr, r);
delete[] r;
}
/* Filters files before display in chooser.
Also used to detect when the filter just changed */
gboolean Fl_GTK_File_Chooser::custom_gtk_filter_function(const GtkFileFilterInfo *info, Fl_GTK_File_Chooser::pair* p)
{
if (p->running->previous_filter != p->filter) {
p->running->changed_output_type(p->filter);
p->running->previous_filter = p->filter;
}
return (gboolean)fl_filename_match(fl_filename_name(info->filename), p->filter);
}
void Fl_GTK_File_Chooser::free_pair(Fl_GTK_File_Chooser::pair *p)
{
delete p;
}
static void hidden_files_cb(GtkToggleButton *togglebutton, gpointer user_data)
{
gboolean state = fl_gtk_toggle_button_get_active(togglebutton);
fl_gtk_file_chooser_set_show_hidden((GtkFileChooser*)user_data, state);
}
int Fl_GTK_File_Chooser::show()
{
// The point here is that after running a GTK dialog, the calling program's current locale is modified.
// To avoid that, we memorize the calling program's current locale, and the locale as modified
// by GTK after the first dialog use. We restore the calling program's current locale
// before returning, and we set the locale as modified by GTK before subsequent GTK dialog uses.
static bool first = true;
char *p;
char *before = NULL;
static char *gtk_wants = NULL;
fl_open_display();
// record in before the calling program's current locale
p = setlocale(LC_ALL, NULL);
if (p) before = strdup(p);
if (gtk_wants) { // set the locale as GTK 'wants it'
setlocale(LC_ALL, gtk_wants);
}
int retval = fl_gtk_chooser_wrapper(); // may change the locale
if (first) {
first = false;
// record in gtk_wants the locale as modified by the GTK dialog
p = setlocale(LC_ALL, NULL);
if (p) gtk_wants = strdup(p);
}
if (before) {
setlocale(LC_ALL, before); // restore calling program's current locale
free(before);
}
return retval;
}
static char *extract_dir_from_path(const char *path)
{
static char *dir = NULL;
if (fl_filename_isdir(path)) {
return (char*)path;
}
if (*path != '/') return NULL;
if (dir) free(dir);
dir = strdup(path);
do {
char *p = strrchr(dir, '/');
if (p == dir) p++;
*p = 0;
}
while (!fl_filename_isdir(dir));
return dir;
}
static void run_response_handler(GtkDialog *dialog, gint response_id, gpointer data)
{
gint *ri = (gint *)data;
*ri = response_id;
}
int Fl_GTK_File_Chooser::fl_gtk_chooser_wrapper()
{
int result = 1;
static int have_gtk_init = 0;
char *p;
if(!have_gtk_init) {
have_gtk_init = -1;
int ac = 0;
fl_gtk_init_check(&ac, NULL);
}
if(gtkw_ptr) { // discard the previous dialog widget
fl_gtk_widget_destroy (gtkw_ptr);
gtkw_ptr = NULL;
}
// set the dialog action type
GtkFileChooserAction gtw_action_type;
switch (_btype) {
case Fl_Native_File_Chooser::BROWSE_DIRECTORY:
case Fl_Native_File_Chooser::BROWSE_MULTI_DIRECTORY:
gtw_action_type = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
break;
case Fl_Native_File_Chooser::BROWSE_SAVE_FILE:
gtw_action_type = GTK_FILE_CHOOSER_ACTION_SAVE;
break;
case Fl_Native_File_Chooser::BROWSE_SAVE_DIRECTORY:
gtw_action_type = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
break;
case Fl_Native_File_Chooser::BROWSE_MULTI_FILE:
case Fl_Native_File_Chooser::BROWSE_FILE:
default:
gtw_action_type = GTK_FILE_CHOOSER_ACTION_OPEN;
break;
}
// create a new dialog
gtkw_ptr = fl_gtk_file_chooser_dialog_new (gtkw_title,
NULL, /* parent_window */
gtw_action_type,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
gtw_action_type == GTK_FILE_CHOOSER_ACTION_SAVE || gtw_action_type == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER ?
GTK_STOCK_SAVE : GTK_STOCK_OPEN,
GTK_RESPONSE_ACCEPT,
NULL);
// did we create a valid dialog widget?
if(!gtkw_ptr) {
// fail
return -1;
}
// set the dialog properties
switch (_btype) {
case Fl_Native_File_Chooser::BROWSE_MULTI_DIRECTORY:
case Fl_Native_File_Chooser::BROWSE_MULTI_FILE:
fl_gtk_file_chooser_set_select_multiple((GtkFileChooser *)gtkw_ptr, TRUE);
break;
case Fl_Native_File_Chooser::BROWSE_SAVE_FILE:
if (_preset_file)fl_gtk_file_chooser_set_current_name ((GtkFileChooser *)gtkw_ptr, fl_filename_name(_preset_file));
/* FALLTHROUGH */
case Fl_Native_File_Chooser::BROWSE_SAVE_DIRECTORY:
fl_gtk_file_chooser_set_create_folders((GtkFileChooser *)gtkw_ptr, TRUE);
fl_gtk_file_chooser_set_do_overwrite_confirmation ((GtkFileChooser *)gtkw_ptr, (_options & Fl_Native_File_Chooser::SAVEAS_CONFIRM)?TRUE:FALSE);
break;
case Fl_Native_File_Chooser::BROWSE_DIRECTORY:
case Fl_Native_File_Chooser::BROWSE_FILE:
default:
break;
}
if (_directory && _directory[0]) {
p = extract_dir_from_path(_directory);
if (p) fl_gtk_file_chooser_set_current_folder((GtkFileChooser *)gtkw_ptr, p);
}
else if (_preset_file) {
p = extract_dir_from_path(_preset_file);
if (p) fl_gtk_file_chooser_set_current_folder((GtkFileChooser *)gtkw_ptr, p);
}
GtkFileFilter **filter_tab = NULL;
if (_parsedfilt) {
filter_tab = new GtkFileFilter*[_nfilters];
char *filter = strdup(_parsedfilt);
p = strtok(filter, "\t");
int count = 0;
while (p) {
filter_tab[count] = fl_gtk_file_filter_new();
fl_gtk_file_filter_set_name(filter_tab[count], p);
p = strchr(p, '(') + 1;
char *q = strchr(p, ')'); *q = 0;
fl_gtk_file_filter_add_custom(filter_tab[count],
GTK_FILE_FILTER_FILENAME,
(GtkFileFilterFunc)Fl_GTK_File_Chooser::custom_gtk_filter_function,
new Fl_GTK_File_Chooser::pair(this, p),
(GDestroyNotify)Fl_GTK_File_Chooser::free_pair);
fl_gtk_file_chooser_add_filter((GtkFileChooser *)gtkw_ptr, filter_tab[count]);
p = strtok(NULL, "\t");
count++;
}
free(filter);
fl_gtk_file_chooser_set_filter((GtkFileChooser *)gtkw_ptr, filter_tab[_filtvalue < _nfilters?_filtvalue:0]);
previous_filter = NULL;
if (gtw_action_type == GTK_FILE_CHOOSER_ACTION_OPEN) {
GtkFileFilter* gfilter = fl_gtk_file_filter_new();
fl_gtk_file_filter_set_name(gfilter, Fl_File_Chooser::all_files_label);
fl_gtk_file_filter_add_pattern(gfilter, "*");
fl_gtk_file_chooser_add_filter((GtkFileChooser *)gtkw_ptr, gfilter);
}
}
GtkWidget *toggle = fl_gtk_check_button_new_with_label(Fl_File_Chooser::hidden_label);
fl_gtk_file_chooser_set_extra_widget((GtkFileChooser *)gtkw_ptr, toggle);
fl_g_signal_connect_data(toggle, "toggled", G_CALLBACK(hidden_files_cb), gtkw_ptr, NULL, (GConnectFlags) 0);
Fl_Window* firstw = Fl::first_window();
fl_gtk_widget_show_now(gtkw_ptr); // map the GTK window on screen
if (firstw) {
GdkWindow* gdkw = fl_gtk_widget_get_window(gtkw_ptr);
Window xw = fl_gdk_x11_drawable_get_xid(gdkw); // get the X11 ref of the GTK window
XSetTransientForHint(fl_display, xw, fl_xid(firstw)); // set the GTK window transient for the last FLTK win
}
gboolean state = fl_gtk_file_chooser_get_show_hidden((GtkFileChooser *)gtkw_ptr);
fl_gtk_toggle_button_set_active((GtkToggleButton *)toggle, state);
gint response_id = GTK_RESPONSE_NONE;
fl_g_signal_connect_data(gtkw_ptr, "response", G_CALLBACK(run_response_handler), &response_id, NULL, (GConnectFlags) 0);
while (response_id == GTK_RESPONSE_NONE) { // loop that shows the GTK dialog window
fl_gtk_main_iteration(); // one iteration of the GTK event loop
while (XEventsQueued(fl_display, QueuedAfterReading)) { // emulate modal dialog
XEvent xevent;
XNextEvent(fl_display, &xevent);
Window xid = xevent.xany.window;
if (xevent.type == ConfigureNotify) xid = xevent.xmaprequest.window;
if (!fl_find(xid)) continue; // skip events to non-FLTK windows
// process Expose and ConfigureNotify events
if ( xevent.type == Expose || xevent.type == ConfigureNotify ) fl_handle(xevent);
}
Fl::flush(); // do the drawings needed after Expose events
}
if (response_id == GTK_RESPONSE_ACCEPT) {
if (_parsedfilt) {
GtkFileFilter *gfilter = fl_gtk_file_chooser_get_filter((GtkFileChooser *)gtkw_ptr);
for (_filtvalue = 0; _filtvalue < _nfilters; _filtvalue++) {
if (filter_tab[_filtvalue] == gfilter) break;
}
}
// discard any filenames or lists from previous calls
if(gtkw_filename) {
fl_g_free(gtkw_filename);
gtkw_filename = NULL;
}
if(gtkw_slist) {
GSList *iter = (GSList *)gtkw_slist;
while(iter) {
if(iter->data) fl_g_free(iter->data);
iter = g_slist_next(iter);
}
fl_g_slist_free((GSList *)gtkw_slist);
gtkw_slist = NULL;
}
gtkw_count = 0; // assume we have no files selected now
if(fl_gtk_file_chooser_get_select_multiple((GtkFileChooser *)gtkw_ptr) == FALSE) {
gtkw_filename = fl_gtk_file_chooser_get_filename ((GtkFileChooser *)gtkw_ptr);
if (gtkw_filename) {
gtkw_count = 1;
result = 0;
//printf("single: %s\n", gtkw_filename);
}
}
else {
gtkw_slist = fl_gtk_file_chooser_get_filenames((GtkFileChooser *)gtkw_ptr);
gtkw_count = fl_g_slist_length((GSList *)gtkw_slist);
if(gtkw_count) result = 0;
// puts("multiple");
// GSList *iter = (GSList *)gtkw_slist;
// printf ("Selected %d files\n", gtkw_count);
// while(iter) {
// char *nm = (char *)iter->data;
// printf("%s\n", nm);
// iter = g_slist_next(iter);
// }
}
}
delete[] filter_tab;
if ( response_id == GTK_RESPONSE_DELETE_EVENT) gtkw_ptr = NULL;
else fl_gtk_widget_hide (gtkw_ptr);
// I think this is analogus to doing an Fl::check() - we need this here to make sure
// the GtkFileChooserDialog is removed from the display correctly
while (fl_gtk_events_pending ()) fl_gtk_main_iteration ();
return result;
} // fl_gtk_chooser_wrapper
#if HAVE_DLSYM && HAVE_DLFCN_H
// macro to help with the symbol loading boilerplate...
# define GET_SYM(SSS, LLL) \
dlerror(); /* Clear any existing error */ \
fl_##SSS = (XX_##SSS)dlsym(LLL, #SSS); \
if ((pc_dl_error = dlerror()) != NULL) { \
fprintf(stderr, "%s\n", pc_dl_error); \
did_find_GTK_libs = 0; \
return; }
static void* fl_dlopen(const char *filename1, const char *filename2)
{
void *ptr = dlopen(filename1, RTLD_LAZY | RTLD_GLOBAL);
if (!ptr) ptr = dlopen(filename2, RTLD_LAZY | RTLD_GLOBAL);
return ptr;
}
#endif
/*
* Use dlopen to see if we can load the gtk dynamic libraries that
* will allow us to create a GtkFileChooserDialog() on the fly,
* without linking to the GTK libs at compile time.
*/
void Fl_GTK_File_Chooser::probe_for_GTK_libs(void) {
#if HAVE_DLSYM && HAVE_DLFCN_H
void *ptr_glib = NULL;
void *ptr_gtk = NULL;
# ifdef __APPLE_CC__ // allows testing on Darwin + X11
ptr_glib = dlopen("/sw/lib/libglib-2.0.dylib", RTLD_LAZY | RTLD_GLOBAL);
# else
ptr_glib = fl_dlopen("libglib-2.0.so", "libglib-2.0.so.0");
# endif
// Try first with GTK2
# ifdef __APPLE_CC__ // allows testing on Darwin + X11
ptr_gtk = dlopen("/sw/lib/libgtk-x11-2.0.dylib", RTLD_LAZY | RTLD_GLOBAL);
#else
ptr_gtk = fl_dlopen("libgtk-x11-2.0.so", "libgtk-x11-2.0.so.0");
#endif
if (ptr_gtk && ptr_glib) {
#ifdef DEBUG
puts("selected GTK-2\n");
#endif
}
else {// Try then with GTK3
ptr_gtk = fl_dlopen("libgtk-3.so", "libgtk-3.so.0");
#ifdef DEBUG
if (ptr_gtk && ptr_glib) {
puts("selected GTK-3\n");
}
#endif
}
if((!ptr_glib) || (!ptr_gtk)) {
#ifdef DEBUG
puts("Failure to load libglib or libgtk");
#endif
did_find_GTK_libs = 0;
return;
}
char *pc_dl_error; // used to report errors by the GET_SYM macro...
// items we need from GLib
GET_SYM(g_free, ptr_glib);
GET_SYM(g_slist_nth_data, ptr_glib);
GET_SYM(g_slist_length, ptr_glib);
GET_SYM(g_slist_free, ptr_glib);
// items we need from GTK
GET_SYM(gtk_init_check, ptr_gtk);
GET_SYM(gtk_widget_destroy, ptr_gtk);
GET_SYM(gtk_file_chooser_set_select_multiple, ptr_gtk);
GET_SYM(gtk_file_chooser_set_do_overwrite_confirmation, ptr_gtk);
GET_SYM(gtk_file_chooser_set_current_name, ptr_gtk);
GET_SYM(gtk_file_chooser_set_current_folder, ptr_gtk);
GET_SYM(gtk_file_chooser_set_create_folders, ptr_gtk);
GET_SYM(gtk_file_chooser_get_select_multiple, ptr_gtk);
GET_SYM(gtk_widget_hide, ptr_gtk);
GET_SYM(gtk_file_chooser_get_filename, ptr_gtk);
GET_SYM(gtk_file_chooser_get_filenames, ptr_gtk);
GET_SYM(gtk_main_iteration, ptr_gtk);
GET_SYM(gtk_events_pending, ptr_gtk);
GET_SYM(gtk_file_chooser_dialog_new, ptr_gtk);
GET_SYM(gtk_file_chooser_add_filter, ptr_gtk);
GET_SYM(gtk_file_chooser_get_filter, ptr_gtk);
GET_SYM(gtk_file_chooser_set_filter, ptr_gtk);
GET_SYM(gtk_file_filter_new, ptr_gtk);
GET_SYM(gtk_file_filter_add_pattern, ptr_gtk);
GET_SYM(gtk_file_filter_add_custom, ptr_gtk);
GET_SYM(gtk_file_filter_set_name, ptr_gtk);
GET_SYM(gtk_file_filter_get_name, ptr_gtk);
GET_SYM(gtk_file_chooser_set_extra_widget, ptr_gtk);
GET_SYM(gtk_widget_show_now, ptr_gtk);
GET_SYM(gtk_widget_get_window, ptr_gtk);
GET_SYM(gdk_x11_drawable_get_xid, ptr_gtk);
GET_SYM(gtk_check_button_new_with_label, ptr_gtk);
GET_SYM(g_signal_connect_data, ptr_gtk);
GET_SYM(gtk_toggle_button_get_active, ptr_gtk);
GET_SYM(gtk_file_chooser_set_show_hidden, ptr_gtk);
GET_SYM(gtk_file_chooser_get_show_hidden, ptr_gtk);
GET_SYM(gtk_toggle_button_set_active, ptr_gtk);
did_find_GTK_libs = 1;
#endif
} // probe_for_GTK_libs
//
// End of "$Id$".
//