Added new editor example application.
git-svn-id: file:///fltk/svn/fltk/trunk@168 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Michael R Sweet
parent
bc5737461d
commit
06113fb95e
@ -1,5 +1,5 @@
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#
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# "$Id: Makefile,v 1.13 1998/12/06 14:59:14 mike Exp $"
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# "$Id: Makefile,v 1.14 1998/12/23 20:04:31 mike Exp $"
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#
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# Test/example program makefile for the Fast Light Tool Kit (FLTK).
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#
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@ -25,21 +25,21 @@
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CPPFILES =\
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adjuster.cxx arc.cxx ask.cxx bitmap.cxx boxtype.cxx browser.cxx button.cxx \
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buttons.cxx checkers.cxx clock.cxx colbrowser.cxx color_chooser.cxx \
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cube.cxx cursor.cxx curve.cxx demo.cxx doublebuffer.cxx file_chooser.cxx \
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fonts.cxx forms.cxx fractals.cxx fullscreen.cxx gl_overlay.cxx \
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glpuzzle.cxx hello.cxx iconize.cxx image.cxx input.cxx keyboard.cxx \
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label.cxx list_visuals.cxx mandelbrot.cxx menubar.cxx message.cxx \
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minimum.cxx navigation.cxx output.cxx overlay.cxx pixmap.cxx \
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buttons.cxx checkers.cxx clock.cxx colbrowser.cxx color_chooser.cxx \
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cube.cxx cursor.cxx curve.cxx demo.cxx doublebuffer.cxx editor.cxx \
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file_chooser.cxx fonts.cxx forms.cxx fractals.cxx fullscreen.cxx \
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gl_overlay.cxx glpuzzle.cxx hello.cxx iconize.cxx image.cxx input.cxx \
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keyboard.cxx label.cxx list_visuals.cxx mandelbrot.cxx menubar.cxx \
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message.cxx minimum.cxx navigation.cxx output.cxx overlay.cxx pixmap.cxx \
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pixmap_browser.cxx radio.cxx resizebox.cxx scroll.cxx shape.cxx shiny.cxx \
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subwindow.cxx symbols.cxx tabs.cxx tile.cxx valuators.cxx fast_slow.cxx \
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subwindow.cxx symbols.cxx tabs.cxx tile.cxx valuators.cxx fast_slow.cxx \
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resize.cxx pack.cxx inactive.cxx
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ALL = adjuster arc ask bitmap boxtype browser button buttons checkers \
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clock colbrowser color_chooser cube cursor curve demo doublebuffer \
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file_chooser fonts forms fractals fullscreen gl_overlay glpuzzle \
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hello iconize image input keyboard label list_visuals mandelbrot \
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menubar message minimum navigation output overlay pixmap \
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editor file_chooser fonts forms fractals fullscreen gl_overlay \
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glpuzzle hello iconize image input keyboard label list_visuals \
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mandelbrot menubar message minimum navigation output overlay pixmap \
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pixmap_browser radio resizebox scroll shape shiny subwindow \
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symbols tabs tile valuators fast_slow resize pack inactive
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@ -111,5 +111,5 @@ install:
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@echo Nothing to install in test directory.
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#
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# End of "$Id: Makefile,v 1.13 1998/12/06 14:59:14 mike Exp $".
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# End of "$Id: Makefile,v 1.14 1998/12/23 20:04:31 mike Exp $".
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#
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389
test/editor.cxx
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389
test/editor.cxx
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//
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// "$Id: editor.cxx,v 1.1 1998/12/23 20:04:31 mike Exp $"
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//
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// A simple text editor program for the Fast Light Tool Kit (FLTK).
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//
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// This program is described in Chapter 4 of the FLTK Programmer's Guide.
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//
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// Copyright 1998 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@easysw.com".
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//
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//
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// Include necessary headers...
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//
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#include <stdio.h> // Standard library files
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#include <stdlib.h>
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#include <string.h>
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#include <FL/Fl.H> // Main FLTK header file
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#include <FL/Fl_Group.H> // Fl_Group header file
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#include <FL/Fl_Window.H> // Fl_Window header file
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#include <FL/fl_ask.H> // FLTK convenience functions
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#include <FL/fl_file_chooser.H> // FLTK file chooser
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#include <FL/Fl_Menu_Bar.H> // Fl_Menu_Bar header file
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#include <FL/Fl_Input.H> // Fl_Input header file
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#include <FL/Fl_Multiline_Input.H> // Fl_Multiline_Input header file
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#include <FL/Fl_Button.H> // Fl_Button header file
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#include <FL/Fl_Return_Button.H> // Fl_Return_Button header file
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Fl_Window *window;
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Fl_Menu_Bar *menubar;
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Fl_Multiline_Input *input;
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Fl_Window *replace_dlg;
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Fl_Input *replace_find;
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Fl_Input *replace_with;
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Fl_Button *replace_all;
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Fl_Return_Button *replace_next;
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Fl_Button *replace_cancel;
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int changed = 0;
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char filename[1024] = "";
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char search[256] = "";
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void set_changed(int);
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void save_cb(void);
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void saveas_cb(void);
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void find2_cb(void);
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int check_save(void) {
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if (!changed) return 1;
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if (fl_ask("The current file has not been saved.\n"
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"Would you like to save it now?")) {
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// Save the file...
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save_cb();
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return !changed;
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}
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else return (1);
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}
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void load_file(char *newfile) {
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FILE *fp;
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char buffer[8192];
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int nbytes;
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int pos;
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input->value("");
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fp = fopen(newfile, "r");
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if (fp != NULL) {
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// Was able to open file; let's read from it...
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strcpy(filename, newfile);
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pos = 0;
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while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0) {
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input->replace(pos, pos, buffer, nbytes);
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pos += nbytes;
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}
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fclose(fp);
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input->position(0);
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set_changed(0);
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} else {
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// Couldn't open file - say so...
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fl_alert("Unable to open \'%s\' for reading!");
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}
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}
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void save_file(char *newfile) {
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FILE *fp;
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fp = fopen(newfile, "w");
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if (fp != NULL) {
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// Was able to create file; let's write to it...
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strcpy(filename, newfile);
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if (fwrite(input->value(), 1, input->size(), fp) < 1) {
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fl_alert("Unable to write file!");
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fclose(fp);
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return;
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}
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fclose(fp);
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changed = 1;
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set_changed(0);
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} else {
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// Couldn't open file - say so...
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fl_alert("Unable to create \'%s\' for writing!");
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}
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}
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void set_changed(int c) {
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if (c != changed) {
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char title[1024];
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char *slash;
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changed = c;
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if (filename[0] == '\0') strcpy(title, "Untitled");
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else {
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slash = strrchr(filename, '/');
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if (slash == NULL) slash = strrchr(filename, '\\');
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if (slash != NULL) strcpy(title, slash + 1);
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else strcpy(title, filename);
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}
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if (changed) strcat(title, " (modified)");
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window->label(title);
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}
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}
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void changed_cb(void) {
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set_changed(1);
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}
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void copy_cb(void) {
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input->copy();
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}
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void cut_cb(void) {
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input->copy();
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input->cut();
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}
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void delete_cb(void) {
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input->cut();
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}
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void find_cb(void) {
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const char *val;
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val = fl_input("Search String:", search);
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if (val != NULL) {
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// User entered a string - go find it!
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strcpy(search, val);
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find2_cb();
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}
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}
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void find2_cb(void) {
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const char *val, *found;
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int pos;
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if (search[0] == '\0') {
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// Search string is blank; get a new one...
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find_cb();
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return;
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}
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val = input->value() + input->mark();
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found = strstr(val, search);
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if (found != NULL) {
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// Found a match; update the position and mark...
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pos = input->mark() + found - val;
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input->position(pos, pos + strlen(search));
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}
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else fl_alert("No occurrences of \'%s\' found!", search);
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}
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void new_cb(void) {
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if (changed)
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if (!check_save()) return;
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filename[0] = '\0';
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input->value("");
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set_changed(0);
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}
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void open_cb(void) {
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char *newfile;
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if (changed)
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if (!check_save()) return;
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newfile = fl_file_chooser("Open File?", "*", filename);
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if (newfile != NULL) load_file(newfile);
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}
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void paste_cb(void) {
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Fl::paste(*input);
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}
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void quit_cb(void) {
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if (changed)
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if (!check_save())
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return;
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window->hide();
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}
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void replace_cb(void) {
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replace_dlg->show();
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}
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void replace2_cb() {
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const char *find, *val, *found;
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int pos;
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find = replace_find->value();
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if (find[0] == '\0') {
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// Search string is blank; get a new one...
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replace_dlg->show();
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return;
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}
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replace_dlg->hide();
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val = input->value() + input->position();
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found = strstr(val, find);
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if (found != NULL) {
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// Found a match; update the position and replace text...
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pos = input->position() + found - val;
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input->replace(pos, pos + strlen(find), replace_with->value());
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input->position(pos + strlen(replace_with->value()));
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}
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else fl_alert("No occurrences of \'%s\' found!", find);
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}
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void replall_cb() {
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const char *find, *val, *found;
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int pos;
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int times;
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find = replace_find->value();
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if (find[0] == '\0') {
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// Search string is blank; get a new one...
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replace_dlg->show();
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return;
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}
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replace_dlg->hide();
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input->position(0);
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times = 0;
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// Loop through the whole string
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do {
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val = input->value() + input->position();
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found = strstr(val, find);
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if (found != NULL) {
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// Found a match; update the position and replace text...
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times ++;
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pos = input->position() + found - val;
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input->replace(pos, pos + strlen(find), replace_with->value());
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input->position(pos + strlen(replace_with->value()));
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}
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} while (found != NULL);
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if (times > 0) fl_message("Replaced %d occurrences.", times);
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else fl_alert("No occurrences of \'%s\' found!", find);
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}
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void replcan_cb() {
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replace_dlg->hide();
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}
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void save_cb(void) {
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if (filename[0] == '\0') {
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// No filename - get one!
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saveas_cb();
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return;
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}
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else save_file(filename);
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}
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void saveas_cb(void) {
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char *newfile;
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newfile = fl_file_chooser("Save File As?", "*", filename);
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if (newfile != NULL) save_file(newfile);
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}
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void undo_cb(void) {
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input->undo();
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}
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Fl_Menu_Item menuitems[] = {
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{ "&File", 0, 0, 0, FL_SUBMENU },
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{ "&New", FL_ALT + 'n', (Fl_Callback *)new_cb },
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{ "&Open...", FL_ALT + 'o', (Fl_Callback *)open_cb, 0, FL_MENU_DIVIDER },
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{ "&Save", FL_ALT + 's', (Fl_Callback *)save_cb },
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{ "Save &As...", FL_ALT + FL_SHIFT + 's', (Fl_Callback *)saveas_cb, 0, FL_MENU_DIVIDER },
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{ "&Quit", FL_ALT + 'q', (Fl_Callback *)quit_cb },
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{ 0 },
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{ "&Edit", 0, 0, 0, FL_SUBMENU },
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{ "&Undo", FL_ALT + 'z', (Fl_Callback *)undo_cb, 0, FL_MENU_DIVIDER },
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{ "Cu&t", FL_ALT + 'x', (Fl_Callback *)cut_cb },
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{ "&Copy", FL_ALT + 'c', (Fl_Callback *)copy_cb },
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{ "&Paste", FL_ALT + 'v', (Fl_Callback *)paste_cb },
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{ "&Delete", 0, (Fl_Callback *)delete_cb },
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{ 0 },
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{ "&Search", 0, 0, 0, FL_SUBMENU },
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{ "&Find...", FL_ALT + 'f', (Fl_Callback *)find_cb },
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{ "F&ind Again", FL_ALT + 'g', (Fl_Callback *)find2_cb },
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{ "&Replace...", FL_ALT + 'r', (Fl_Callback *)replace_cb },
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{ "Re&place Again", FL_ALT + 't', (Fl_Callback *)replace2_cb },
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{ 0 },
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{ 0 }
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};
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int main(int argc, char **argv) {
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window = new Fl_Window(640, 480, "Untitled");
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menubar = new Fl_Menu_Bar(0, 0, 640, 30);
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menubar->menu(menuitems);
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input = new Fl_Multiline_Input(0, 30, 640, 450);
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input->callback((Fl_Callback *)changed_cb);
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input->when(FL_WHEN_CHANGED);
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input->textfont(FL_COURIER);
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window->end();
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window->resizable(input);
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window->callback((Fl_Callback *)quit_cb);
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replace_dlg = new Fl_Window(300, 105, "Replace");
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replace_find = new Fl_Input(70, 10, 210, 25, "Find:");
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replace_find->align(FL_ALIGN_LEFT);
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replace_with = new Fl_Input(70, 40, 210, 25, "Replace:");
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replace_with->align(FL_ALIGN_LEFT);
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replace_all = new Fl_Button(10, 70, 90, 25, "Replace All");
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replace_all->callback((Fl_Callback *)replall_cb);
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replace_next = new Fl_Return_Button(105, 70, 120, 25, "Replace Next");
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replace_next->callback((Fl_Callback *)replace2_cb);
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replace_cancel = new Fl_Button(230, 70, 60, 25, "Cancel");
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replace_cancel->callback((Fl_Callback *)replcan_cb);
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replace_dlg->end();
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replace_dlg->set_modal();
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window->show(1, argv);
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if (argc > 1) load_file(argv[1]);
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return Fl::run();
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}
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//
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// End of "$Id: editor.cxx,v 1.1 1998/12/23 20:04:31 mike Exp $".
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//
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