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-rw-r--r--test/editor.cxx501
1 files changed, 270 insertions, 231 deletions
diff --git a/test/editor.cxx b/test/editor.cxx
index a47b9ca87..dda0488e4 100644
--- a/test/editor.cxx
+++ b/test/editor.cxx
@@ -1,11 +1,11 @@
//
-// "$Id: editor.cxx,v 1.2.2.3 2001/01/22 15:13:41 easysw Exp $"
+// "$Id: editor.cxx,v 1.2.2.3.2.1 2001/08/04 12:21:34 easysw Exp $"
//
// A simple text editor program for the Fast Light Tool Kit (FLTK).
//
// This program is described in Chapter 4 of the FLTK Programmer's Guide.
//
-// Copyright 1998-2001 by Bill Spitzak and others.
+// Copyright 1998-1999 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
@@ -22,284 +22,322 @@
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
-// Please report all bugs and problems to "fltk-bugs@fltk.org".
+// Please report all bugs and problems to "fltk-bugs@easysw.com".
//
//
// Include necessary headers...
//
-#include <stdio.h> // Standard library files
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
+
+#include <FL/Fl.H>
+#include <FL/Fl_Group.H>
+#include <FL/Fl_Double_Window.H>
+#include <FL/fl_ask.H>
+#include <FL/fl_file_chooser.H>
+#include <FL/Fl_Menu_Bar.H>
+#include <FL/Fl_Input.H>
+#include <FL/Fl_Button.H>
+#include <FL/Fl_Return_Button.H>
+#include <FL/Fl_Text_Buffer.H>
+#include <FL/Fl_Text_Editor.H>
-#include <FL/Fl.H> // Main FLTK header file
-#include <FL/Fl_Group.H> // Fl_Group header file
-#include <FL/Fl_Window.H> // Fl_Window header file
-#include <FL/fl_ask.H> // FLTK convenience functions
-#include <FL/fl_file_chooser.H> // FLTK file chooser
-#include <FL/Fl_Menu_Bar.H> // Fl_Menu_Bar header file
-#include <FL/Fl_Input.H> // Fl_Input header file
-#include <FL/Fl_Multiline_Input.H> // Fl_Multiline_Input header file
-#include <FL/Fl_Button.H> // Fl_Button header file
-#include <FL/Fl_Return_Button.H> // Fl_Return_Button header file
-
-
-Fl_Window *window;
-Fl_Menu_Bar *menubar;
-Fl_Multiline_Input *input;
-Fl_Window *replace_dlg;
-Fl_Input *replace_find;
-Fl_Input *replace_with;
-Fl_Button *replace_all;
-Fl_Return_Button *replace_next;
-Fl_Button *replace_cancel;
int changed = 0;
-char filename[1024] = "";
-char search[256] = "";
+char filename[256] = "";
+char title[256];
+Fl_Text_Buffer *textbuf;
+
+
+void save_cb();
+void saveas_cb();
+void find2_cb(Fl_Widget*, void*);
+void replall_cb(Fl_Widget*, void*);
+void replace2_cb(Fl_Widget*, void*);
+void replcan_cb(Fl_Widget*, void*);
+
+class EditorWindow : public Fl_Double_Window {
+ public:
+ EditorWindow(int w, int h, const char* t);
+ ~EditorWindow();
+
+ Fl_Window *replace_dlg;
+ Fl_Input *replace_find;
+ Fl_Input *replace_with;
+ Fl_Button *replace_all;
+ Fl_Return_Button *replace_next;
+ Fl_Button *replace_cancel;
+
+ Fl_Text_Editor *editor;
+ char search[256];
+};
+EditorWindow::EditorWindow(int w, int h, const char* t) : Fl_Double_Window(w, h, t) {
+ replace_dlg = new Fl_Window(300, 105, "Replace");
+ replace_find = new Fl_Input(70, 10, 210, 25, "Find:");
+ replace_find->align(FL_ALIGN_LEFT);
-void set_changed(int);
-void save_cb(void);
-void saveas_cb(void);
-void find2_cb(void);
+ replace_with = new Fl_Input(70, 40, 210, 25, "Replace:");
+ replace_with->align(FL_ALIGN_LEFT);
-int check_save(void) {
- if (!changed) return 1;
+ replace_all = new Fl_Button(10, 70, 90, 25, "Replace All");
+ replace_all->callback((Fl_Callback *)replall_cb, this);
- if (fl_ask("The current file has not been saved.\n"
- "Would you like to save it now?")) {
- // Save the file...
- save_cb();
+ replace_next = new Fl_Return_Button(105, 70, 120, 25, "Replace Next");
+ replace_next->callback((Fl_Callback *)replace2_cb, this);
- return !changed;
- }
- else return (1);
+ replace_cancel = new Fl_Button(230, 70, 60, 25, "Cancel");
+ replace_cancel->callback((Fl_Callback *)replcan_cb, this);
+ replace_dlg->end();
+ replace_dlg->set_non_modal();
+ editor = 0;
+ *search = (char)0;
}
-void load_file(char *newfile) {
- FILE *fp;
- char buffer[8192];
- int nbytes;
- int pos;
-
- input->value("");
-
- fp = fopen(newfile, "r");
- if (fp != NULL) {
- // Was able to open file; let's read from it...
- strcpy(filename, newfile);
- pos = 0;
-
- while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0) {
- input->replace(pos, pos, buffer, nbytes);
- pos += nbytes;
- }
-
- fclose(fp);
- input->position(0);
- set_changed(0);
- } else {
- // Couldn't open file - say so...
- fl_alert("Unable to open \'%s\' for reading!");
- }
+EditorWindow::~EditorWindow() {
+ delete replace_dlg;
}
-void save_file(char *newfile) {
- FILE *fp;
+int check_save(void) {
+ if (!changed) return 1;
- fp = fopen(newfile, "w");
- if (fp != NULL) {
- // Was able to create file; let's write to it...
- strcpy(filename, newfile);
+ int r = fl_choice("The current file has not been saved.\n"
+ "Would you like to save it now?",
+ "Cancel", "Save", "Discard");
- if (fwrite(input->value(), 1, input->size(), fp) < 1) {
- fl_alert("Unable to write file!");
- fclose(fp);
- return;
- }
+ if (r == 2) {
+ save_cb(); // Save the file...
+ return !changed;
+ };
- fclose(fp);
- changed = 1;
- set_changed(0);
- } else {
- // Couldn't open file - say so...
- fl_alert("Unable to create \'%s\' for writing!");
- }
+ return (r == 1) ? 1 : 0;
}
-void set_changed(int c) {
- if (c != changed) {
- char title[1024];
- char *slash;
-
- changed = c;
-
- if (filename[0] == '\0') strcpy(title, "Untitled");
- else {
- slash = strrchr(filename, '/');
- if (slash == NULL) slash = strrchr(filename, '\\');
-
- if (slash != NULL) strcpy(title, slash + 1);
- else strcpy(title, filename);
- }
-
- if (changed) strcat(title, " (modified)");
-
- window->label(title);
- }
+int loading = 0;
+void load_file(char *newfile, int ipos) {
+ loading = 1;
+ int insert = (ipos != -1);
+ changed = insert;
+ if (!insert) strcpy(filename, "");
+ int r;
+ if (!insert) r = textbuf->loadfile(newfile);
+ else r = textbuf->insertfile(newfile, ipos);
+ if (r)
+ fl_alert("Error reading from file \'%s\':\n%s.", newfile, strerror(errno));
+ else
+ if (!insert) strcpy(filename, newfile);
+ loading = 0;
+ textbuf->call_modify_callbacks();
}
-void changed_cb(void) {
- set_changed(1);
+void save_file(char *newfile) {
+ if (textbuf->savefile(newfile))
+ fl_alert("Error writing to file \'%s\':\n%s.", newfile, strerror(errno));
+ else
+ strcpy(filename, newfile);
+ changed = 0;
+ textbuf->call_modify_callbacks();
}
-void copy_cb(void) {
- input->copy();
+void copy_cb(Fl_Widget*, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
+ Fl_Text_Editor::kf_copy(0, e->editor);
}
-void cut_cb(void) {
- input->copy();
- input->cut();
+void cut_cb(Fl_Widget*, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
+ Fl_Text_Editor::kf_cut(0, e->editor);
}
-void delete_cb(void) {
- input->cut();
+void delete_cb(Fl_Widget*, void*) {
+ textbuf->remove_selection();
}
-void find_cb(void) {
+void find_cb(Fl_Widget* w, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
const char *val;
- val = fl_input("Search String:", search);
+ val = fl_input("Search String:", e->search);
if (val != NULL) {
// User entered a string - go find it!
- strcpy(search, val);
- find2_cb();
+ strcpy(e->search, val);
+ find2_cb(w, v);
}
}
-void find2_cb(void) {
- const char *val, *found;
- int pos;
-
- if (search[0] == '\0') {
+void find2_cb(Fl_Widget* w, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
+ if (e->search[0] == '\0') {
// Search string is blank; get a new one...
- find_cb();
+ find_cb(w, v);
return;
}
- val = input->value() + input->mark();
- found = strstr(val, search);
+ int pos = e->editor->insert_position();
+ int found = textbuf->search_forward(pos, e->search, &pos);
+ if (found) {
+ // Found a match; select and update the position...
+ textbuf->select(pos, pos+strlen(e->search));
+ e->editor->insert_position(pos+strlen(e->search));
+ e->editor->show_insert_position();
+ }
+ else fl_alert("No occurrences of \'%s\' found!", e->search);
+}
- if (found != NULL) {
- // Found a match; update the position and mark...
- pos = input->mark() + found - val;
- input->position(pos, pos + strlen(search));
+void set_title(Fl_Window* w) {
+ if (filename[0] == '\0') strcpy(title, "Untitled");
+ else {
+ char *slash;
+ slash = strrchr(filename, '/');
+#ifdef WIN32
+ if (slash == NULL) slash = strrchr(filename, '\\');
+#endif
+ if (slash != NULL) strcpy(title, slash + 1);
+ else strcpy(title, filename);
}
- else fl_alert("No occurrences of \'%s\' found!", search);
+
+ if (changed) strcat(title, " (modified)");
+
+ w->label(title);
}
-void new_cb(void) {
- if (changed)
- if (!check_save()) return;
+void changed_cb(int, int nInserted, int nDeleted,int, const char*, void* v) {
+ if ((nInserted || nDeleted) && !loading) changed = 1;
+ EditorWindow *w = (EditorWindow *)v;
+ set_title(w);
+ if (loading) w->editor->show_insert_position();
+}
+
+void new_cb(Fl_Widget*, void*) {
+ if (!check_save()) return;
filename[0] = '\0';
- input->value("");
- set_changed(0);
+ textbuf->select(0, textbuf->length());
+ textbuf->remove_selection();
+ changed = 0;
+ textbuf->call_modify_callbacks();
}
-void open_cb(void) {
- char *newfile;
+void open_cb(Fl_Widget*, void*) {
+ if (!check_save()) return;
- if (changed)
- if (!check_save()) return;
+ char *newfile = fl_file_chooser("Open File?", "*", filename);
+ if (newfile != NULL) load_file(newfile, -1);
+}
- newfile = fl_file_chooser("Open File?", "*", filename);
- if (newfile != NULL) load_file(newfile);
+void insert_cb(Fl_Widget*, void *v) {
+ char *newfile = fl_file_chooser("Insert File?", "*", filename);
+ EditorWindow *w = (EditorWindow *)v;
+ if (newfile != NULL) load_file(newfile, w->editor->insert_position());
}
-void paste_cb(void) {
- Fl::paste(*input);
+void paste_cb(Fl_Widget*, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
+ Fl_Text_Editor::kf_paste(0, e->editor);
}
-void quit_cb(void) {
- if (changed)
- if (!check_save())
- return;
+int num_windows = 0;
- window->hide();
+void close_cb(Fl_Widget*, void* v) {
+ Fl_Window* w = (Fl_Window*)v;
+ if (num_windows == 1 && !check_save()) {
+ return;
+ }
+
+ w->hide();
+ textbuf->remove_modify_callback(changed_cb, w);
+ delete w;
+ num_windows--;
+ if (!num_windows) exit(0);
}
-void replace_cb(void) {
- replace_dlg->show();
+void quit_cb(Fl_Widget*, void*) {
+ if (changed && !check_save())
+ return;
+
+ exit(0);
+}
+
+void replace_cb(Fl_Widget*, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
+ e->replace_dlg->show();
}
-void replace2_cb() {
- const char *find, *val, *found;
- int pos;
+void replace2_cb(Fl_Widget*, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
+ const char *find = e->replace_find->value();
+ const char *replace = e->replace_with->value();
- find = replace_find->value();
if (find[0] == '\0') {
// Search string is blank; get a new one...
- replace_dlg->show();
+ e->replace_dlg->show();
return;
}
- replace_dlg->hide();
+ e->replace_dlg->hide();
- val = input->value() + input->position();
- found = strstr(val, find);
+ int pos = e->editor->insert_position();
+ int found = textbuf->search_forward(pos, find, &pos);
- if (found != NULL) {
+ if (found) {
// Found a match; update the position and replace text...
- pos = input->position() + found - val;
- input->replace(pos, pos + strlen(find), replace_with->value());
- input->position(pos + strlen(replace_with->value()));
+ textbuf->select(pos, pos+strlen(find));
+ textbuf->remove_selection();
+ textbuf->insert(pos, replace);
+ textbuf->select(pos, pos+strlen(replace));
+ e->editor->insert_position(pos+strlen(replace));
+ e->editor->show_insert_position();
}
else fl_alert("No occurrences of \'%s\' found!", find);
}
-void replall_cb() {
- const char *find, *val, *found;
- int pos;
- int times;
+void replall_cb(Fl_Widget*, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
+ const char *find = e->replace_find->value();
+ const char *replace = e->replace_with->value();
- find = replace_find->value();
+ find = e->replace_find->value();
if (find[0] == '\0') {
// Search string is blank; get a new one...
- replace_dlg->show();
+ e->replace_dlg->show();
return;
}
- replace_dlg->hide();
+ e->replace_dlg->hide();
- input->position(0);
- times = 0;
+ e->editor->insert_position(0);
+ int times = 0;
// Loop through the whole string
- do {
- val = input->value() + input->position();
- found = strstr(val, find);
+ for (int found = 1; found;) {
+ int pos = e->editor->insert_position();
+ found = textbuf->search_forward(pos, find, &pos);
- if (found != NULL) {
+ if (found) {
// Found a match; update the position and replace text...
- times ++;
- pos = input->position() + found - val;
- input->replace(pos, pos + strlen(find), replace_with->value());
- input->position(pos + strlen(replace_with->value()));
+ textbuf->select(pos, pos+strlen(find));
+ textbuf->remove_selection();
+ textbuf->insert(pos, replace);
+ e->editor->insert_position(pos+strlen(replace));
+ e->editor->show_insert_position();
+ times++;
}
- } while (found != NULL);
+ }
- if (times > 0) fl_message("Replaced %d occurrences.", times);
+ if (times) fl_message("Replaced %d occurrences.", times);
else fl_alert("No occurrences of \'%s\' found!", find);
}
-void replcan_cb() {
- replace_dlg->hide();
+void replcan_cb(Fl_Widget*, void* v) {
+ EditorWindow* e = (EditorWindow*)v;
+ e->replace_dlg->hide();
}
-void save_cb(void) {
+void save_cb() {
if (filename[0] == '\0') {
// No filename - get one!
saveas_cb();
@@ -308,82 +346,83 @@ void save_cb(void) {
else save_file(filename);
}
-void saveas_cb(void) {
+void saveas_cb() {
char *newfile;
newfile = fl_file_chooser("Save File As?", "*", filename);
if (newfile != NULL) save_file(newfile);
}
-void undo_cb(void) {
- input->undo();
+void undo_cb(Fl_Widget*, void*) {
+ fl_alert("Undo not implemented!");
+}
+
+Fl_Window* new_view();
+
+void view_cb(Fl_Widget*, void*) {
+ Fl_Window* w = new_view();
+ w->show();
}
Fl_Menu_Item menuitems[] = {
- { "&File", 0, 0, 0, FL_SUBMENU },
- { "&New", FL_ALT + 'n', (Fl_Callback *)new_cb },
- { "&Open...", FL_ALT + 'o', (Fl_Callback *)open_cb, 0, FL_MENU_DIVIDER },
- { "&Save", FL_ALT + 's', (Fl_Callback *)save_cb },
- { "Save &As...", FL_ALT + FL_SHIFT + 's', (Fl_Callback *)saveas_cb, 0, FL_MENU_DIVIDER },
- { "&Quit", FL_ALT + 'q', (Fl_Callback *)quit_cb },
+ { "&File", 0, 0, 0, FL_SUBMENU },
+ { "&New File", 0, (Fl_Callback *)new_cb },
+ { "&Open File...", FL_CTRL + 'o', (Fl_Callback *)open_cb },
+ { "&Insert File...", FL_CTRL + 'i', (Fl_Callback *)insert_cb, 0, FL_MENU_DIVIDER },
+ { "&Save File", FL_CTRL + 's', (Fl_Callback *)save_cb },
+ { "Save File &As...", FL_CTRL + FL_SHIFT + 's', (Fl_Callback *)saveas_cb, 0, FL_MENU_DIVIDER },
+ { "New &View", FL_ALT + 'v', (Fl_Callback *)view_cb, 0 },
+ { "&Close View", FL_CTRL + 'w', (Fl_Callback *)close_cb, 0, FL_MENU_DIVIDER },
+ { "E&xit", FL_CTRL + 'q', (Fl_Callback *)quit_cb, 0 },
{ 0 },
{ "&Edit", 0, 0, 0, FL_SUBMENU },
- { "&Undo", FL_ALT + 'z', (Fl_Callback *)undo_cb, 0, FL_MENU_DIVIDER },
- { "Cu&t", FL_ALT + 'x', (Fl_Callback *)cut_cb },
- { "&Copy", FL_ALT + 'c', (Fl_Callback *)copy_cb },
- { "&Paste", FL_ALT + 'v', (Fl_Callback *)paste_cb },
+ { "&Undo", FL_CTRL + 'z', (Fl_Callback *)undo_cb, 0, FL_MENU_DIVIDER },
+ { "Cu&t", FL_CTRL + 'x', (Fl_Callback *)cut_cb },
+ { "&Copy", FL_CTRL + 'c', (Fl_Callback *)copy_cb },
+ { "&Paste", FL_CTRL + 'v', (Fl_Callback *)paste_cb },
{ "&Delete", 0, (Fl_Callback *)delete_cb },
{ 0 },
{ "&Search", 0, 0, 0, FL_SUBMENU },
- { "&Find...", FL_ALT + 'f', (Fl_Callback *)find_cb },
- { "F&ind Again", FL_ALT + 'g', (Fl_Callback *)find2_cb },
- { "&Replace...", FL_ALT + 'r', (Fl_Callback *)replace_cb },
- { "Re&place Again", FL_ALT + 't', (Fl_Callback *)replace2_cb },
+ { "&Find...", FL_CTRL + 'f', (Fl_Callback *)find_cb },
+ { "F&ind Again", FL_CTRL + 'g', find2_cb },
+ { "&Replace...", FL_CTRL + 'r', replace_cb },
+ { "Re&place Again", FL_CTRL + 't', replace2_cb },
{ 0 },
{ 0 }
};
-int main(int argc, char **argv) {
- window = new Fl_Window(640, 480, "Untitled");
- menubar = new Fl_Menu_Bar(0, 0, 640, 30);
- menubar->menu(menuitems);
-
- input = new Fl_Multiline_Input(0, 30, 640, 450);
- input->callback((Fl_Callback *)changed_cb);
- input->when(FL_WHEN_CHANGED);
- input->textfont(FL_COURIER);
- window->end();
- window->resizable(input);
- window->callback((Fl_Callback *)quit_cb);
-
- replace_dlg = new Fl_Window(300, 105, "Replace");
- replace_find = new Fl_Input(70, 10, 210, 25, "Find:");
- replace_find->align(FL_ALIGN_LEFT);
-
- replace_with = new Fl_Input(70, 40, 210, 25, "Replace:");
- replace_with->align(FL_ALIGN_LEFT);
-
- replace_all = new Fl_Button(10, 70, 90, 25, "Replace All");
- replace_all->callback((Fl_Callback *)replall_cb);
+Fl_Window* new_view() {
+ EditorWindow* w = new EditorWindow(512, 384, title);
+ w->begin();
+ Fl_Menu_Bar* m = new Fl_Menu_Bar(0, 0, 512, 30);
+ m->copy(menuitems, w);
+ w->editor = new Fl_Text_Editor(0, 30, 512, 354);
+ w->editor->buffer(textbuf);
+ w->editor->textfont(FL_COURIER);
+ w->end();
+ w->resizable(w->editor);
+ w->callback((Fl_Callback *)close_cb, w);
+ textbuf->add_modify_callback(changed_cb, w);
+ textbuf->call_modify_callbacks();
+ num_windows++;
+ return w;
+}
- replace_next = new Fl_Return_Button(105, 70, 120, 25, "Replace Next");
- replace_next->callback((Fl_Callback *)replace2_cb);
+int main(int argc, char **argv) {
+ textbuf = new Fl_Text_Buffer;
- replace_cancel = new Fl_Button(230, 70, 60, 25, "Cancel");
- replace_cancel->callback((Fl_Callback *)replcan_cb);
- replace_dlg->end();
- replace_dlg->set_modal();
+ Fl_Window* window = new_view();
window->show(1, argv);
- if (argc > 1) load_file(argv[1]);
+ if (argc > 1) load_file(argv[1], -1);
return Fl::run();
}
//
-// End of "$Id: editor.cxx,v 1.2.2.3 2001/01/22 15:13:41 easysw Exp $".
+// End of "$Id: editor.cxx,v 1.2.2.3.2.1 2001/08/04 12:21:34 easysw Exp $".
//
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-08 13:19:09 +0000