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Add Fl_Simple_Terminal for cross platform debugging

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Greg Ercolano 2020-07-20 11:43:47 -07:00 committed by Albrecht Schlosser
parent af7f485e06
commit 889ab64962
1 changed files with 76 additions and 21 deletions
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97
test/demo.cxx
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@ -60,8 +60,6 @@
help_dialog.html and related image files.
*/
#define DEBUG_VARS (1) // 1 = output variables to stderr, 0 = no
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
@ -75,10 +73,18 @@
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Menu_Button.H> // right click popup menu
#include <FL/Fl_Choice.H>
#include <FL/Fl_Simple_Terminal.H> // tty
#include <FL/filename.H>
#include <FL/platform.H>
#include <FL/fl_ask.H> // fl_alert()
#include <FL/fl_utf8.h> // fl_getcwd()
#define FORM_W 350
#define FORM_H 440
#define TTY_W int(FORM_W*2.5)
#define TTY_H 200
/* The form description */
@ -89,7 +95,9 @@ void doscheme(Fl_Choice *c, void *) {
Fl::scheme(c->text(c->value()));
}
Fl_Double_Window *form;
Fl_Double_Window *form = 0;
Fl_Group *demogrp = 0;
Fl_Simple_Terminal *tty = 0;
Fl_Button *but[9];
// Allocate space to edit commands and arguments from demo.menu.
@ -117,18 +125,51 @@ const char *suffix = ".app";
const char *suffix = "";
#endif
// debug output function (to stderr or ...)
// debug output function
void debug_var(const char *varname, const char *value) {
#if (DEBUG_VARS)
fprintf(stderr, "%-10s = '%s'\n", varname, value);
fflush(stderr); // Windows needs this
#endif // DEBUG_VARS
tty->printf("%-10s = '%s'\n", varname, value);
}
// Show or hide the tty window
void show_tty(int val) {
if ( val ) {
form->size_range(FORM_W,FORM_H+TTY_H,0,0); // allow resizing
form->size(TTY_W,FORM_H+TTY_H); // demo + height for tty
demogrp->size(FORM_W,FORM_H);
tty->show(); // show tty
tty->resize(0, FORM_H, TTY_W, TTY_H); // force tty position
} else {
form->size_range(FORM_W,FORM_H,FORM_W,FORM_H); // no resizing
tty->hide(); // hide tty
form->size(FORM_W, FORM_H); // normal demo size
}
demogrp->size(FORM_W, FORM_H);
form->init_sizes();
}
// Right click popup menu handler
void popup_menu_cb(Fl_Widget*, void *userdata) {
const char *cmd = (const char*)userdata;
if ( strcmp(cmd, "showtty")==0 ) { show_tty(1); }
if ( strcmp(cmd, "hidetty")==0 ) { show_tty(0); }
}
void create_the_forms() {
Fl_Widget *obj;
form = new Fl_Double_Window(350, 440);
Fl_Menu_Button *popup;
form = new Fl_Double_Window(FORM_W,FORM_H);
form->size_range(FORM_W,FORM_H,FORM_W+1,FORM_H+1); // XXX: +1 needed or window can't be made resizable later
// Small terminal window parented to window, not demogrp
tty = new Fl_Simple_Terminal(0, form->h(), form->w(), form->h());
tty->history_lines(50);
tty->ansi(true);
tty->hide();
tty->textsize(10);
// Parent group for demo
demogrp = new Fl_Group(0,0,FORM_W,FORM_H);
demogrp->resizable(0);
demogrp->begin();
// Demo
obj = new Fl_Box(FL_FRAME_BOX,10,15,330,40,"FLTK Demonstration");
obj->color(FL_GRAY-4);
obj->labelsize(24);
@ -166,7 +207,16 @@ void create_the_forms() {
but[i]->align(FL_ALIGN_WRAP);
but[i]->callback(dobut, i);
}
demogrp->end();
// Right click popup menu
popup = new Fl_Menu_Button(0,0,FORM_W,FORM_H);
popup->box(FL_NO_BOX);
popup->type(Fl_Menu_Button::POPUP3); // pop menu on right-click
popup->add("Show debug terminal", 0, popup_menu_cb, (void*)"showtty");
popup->add("Hide debug terminal", 0, popup_menu_cb, (void*)"hidetty");
// End window
form->end();
form->resizable(tty);
}
/* Maintaining and building up the menus. */
@ -359,12 +409,13 @@ void dobut(Fl_Widget *, long arg) {
#elif defined __APPLE__
debug_var("Command", command);
system(command);
system(command);
#else // other platforms (Unix, Linux)
strcat(command, " &"); // run in background
debug_var("Command", command);
if (system(command) == -1) {
@ -566,18 +617,22 @@ int main(int argc, char **argv) {
fix_path(data_path);
}
#if (DEBUG_VARS)
fprintf(stderr, "\n");
debug_var("src_path", src_path);
debug_var("app_path", app_path);
debug_var("fluid_path", fluid_path);
debug_var("data_path", data_path);
debug_var("Menu file", menu);
fprintf(stderr, "\n");
#endif // DEBUG_VARS
// Create forms first
// tty needs to exist before we can print debug msgs
//
create_the_forms();
{
char cwd[1024];
debug_var("src_path", src_path);
debug_var("app_path", app_path);
debug_var("fluid_path", fluid_path);
debug_var("data_path", data_path);
debug_var("Menu file", menu);
debug_var("Cwd", fl_getcwd(cwd,sizeof(cwd)));
tty->printf("\n");
}
// note: load_the_menu() *may* change the `menu` buffer contents !
if (!load_the_menu(menu))
Fl::fatal("Can't open %s", menu);