Author: greg.ercolano
Date: 2010-12-21 15:04:16 -0800 (Tue, 21 Dec 2010)
New Revision: 8096
Log:
Add an simple example application to open/save files using the FNFC.
Added:
branches/branch-1.3/examples/nativefilechooser-simple-app.cxx
Modified:
branches/branch-1.3/examples/Makefile
Modified: branches/branch-1.3/examples/Makefile
===================================================================
--- branches/branch-1.3/examples/Makefile 2010-12-21 17:07:14 UTC (rev
8095)
+++ branches/branch-1.3/examples/Makefile 2010-12-21 23:04:16 UTC (rev
8096)
@@ -4,6 +4,7 @@
howto-parse-args$(EXEEXT) \
howto-text-over-image-button$(EXEEXT) \
menubar-add$(EXEEXT) \
+ nativefilechooser-simple-app$(EXEEXT) \
table-as-container$(EXEEXT) \
table-simple$(EXEEXT) \
table-sort$(EXEEXT) \
Added: branches/branch-1.3/examples/nativefilechooser-simple-app.cxx
===================================================================
--- branches/branch-1.3/examples/nativefilechooser-simple-app.cxx
(rev 0)
+++ branches/branch-1.3/examples/nativefilechooser-simple-app.cxx
2010-12-21 23:04:16 UTC (rev 8096)
@@ -0,0 +1,144 @@
+//
+// "$Id$"
+//
+// An example of how to use Fl_Native_File_Chooser to open & save files.
+//
+// Copyright 2010 Greg Ercolano.
+// Copyright 1998-2010 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+#include <stdio.h> // printf
+#include <stdlib.h> // exit,malloc
+#include <string.h> // strerror
+#include <errno.h> // errno
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Menu_Bar.H>
+#include <FL/Fl_Native_File_Chooser.H>
+#include <FL/fl_ask.H>
+
+class Application : public Fl_Window {
+ Fl_Native_File_Chooser *fc;
+ // Does file exist?
+ int exist(const char *filename) {
+ FILE *fp = fopen(filename, "r");
+ if (fp) { fclose(fp); return(1); }
+ else { return(0); }
+ }
+ // 'Open' the file
+ void open(const char *filename) {
+ printf("Open '%s'\n", filename);
+ }
+ // 'Save' the file
+ // Create the file if it doesn't exist
+ // and save something in it.
+ //
+ void save(const char *filename) {
+ printf("Saving '%s'\n", filename);
+ if ( !exist(filename) ) {
+ FILE *fp = fopen(filename, "w"); // create file
if it doesn't exist
+ if ( fp ) {
+ fprintf(fp, "Hello world.\n");
+ fclose(fp);
+ } else {
+ fl_message("Error: %s: %s", filename, strerror(errno));
+ }
+ }
+ }
+ // Handle an 'Open' request from the menu
+ static void open_cb(Fl_Widget *w, void *v) {
+ Application *app = (Application*)v;
+ app->fc->title("Open");
+ app->fc->type(Fl_Native_File_Chooser::BROWSE_FILE); // only
picks files that exist
+ switch ( app->fc->show() ) {
+ case -1: break; // Error
+ case 1: break; // Cancel
+ default: // Choice
+ app->fc->preset_file(app->fc->filename());
+ app->open(app->fc->filename());
+ break;
+ }
+ }
+ // Handle a 'Save as' request from the menu
+ static void saveas_cb(Fl_Widget *w, void *v) {
+ Application *app = (Application*)v;
+ app->fc->title("Save As");
+ app->fc->type(Fl_Native_File_Chooser::BROWSE_SAVE_FILE); // need this if
file doesn't exist yet
+ switch ( app->fc->show() ) {
+ case -1: break; // Error
+ case 1: break; // Cancel
+ default: // Choice
+ app->fc->preset_file(app->fc->filename());
+ app->save(app->fc->filename());
+ break;
+ }
+ }
+ // Handle a 'Save' request from the menu
+ static void save_cb(Fl_Widget *w, void *v) {
+ Application *app = (Application*)v;
+ if ( strlen(app->fc->filename()) == 0 ) {
+ saveas_cb(w,v);
+ } else {
+ app->save(app->fc->filename());
+ }
+ }
+ static void quit_cb(Fl_Widget *w, void *v) {
+ exit(0);
+ }
+ // Return an 'untitled' default pathname
+ const char* untitled_default() {
+ static char *filename = 0;
+ if ( !filename ) {
+ const char *home =
+ getenv("HOME") ? getenv("HOME") : // unix
+ getenv("HOME_PATH") ? getenv("HOME_PATH") : // windows
+ "."; // other
+ filename = (char*)malloc(strlen(home)+20);
+ sprintf(filename, "%s/untitled.txt", home);
+ }
+ return(filename);
+ }
+public:
+ // CTOR
+ Application() : Fl_Window(400,200,"Native File Chooser Example") {
+ Fl_Menu_Bar *menu = new Fl_Menu_Bar(0,0,400,25);
+ menu->add("&File/&Open", "^o", open_cb, (void*)this);
+ menu->add("&File/&Save", "^s", save_cb, (void*)this);
+ menu->add("&File/&Save As", 0, saveas_cb, (void*)this);
+ menu->add("&File/&Quit", "^q", quit_cb);
+ // Initialize the file chooser
+ fc = new Fl_Native_File_Chooser();
+ fc->filter("Text\t*.txt\n");
+ fc->preset_file(untitled_default());
+ end();
+ }
+};
+
+int main(int argc, char *argv[]) {
+ Fl::scheme("gtk+");
+ Application *app = new Application();
+ app->show(argc,argv);
+ return(Fl::run());
+}
+
+//
+// End of "$Id$".
+//
Property changes on:
branches/branch-1.3/examples/nativefilechooser-simple-app.cxx
___________________________________________________________________
Name: svn:keywords
+ Id
Name: svn:eol-style
+ native
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