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Improve keyboard event test program: add copy button

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... to copy selected or the full text to the clipboard.
This commit is contained in:
Albrecht Schlosser 2024-03-12 22:32:39 +01:00
parent 14d7218acd
commit 9f4cea25bf
1 changed files with 38 additions and 10 deletions
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48
test/handle_keys.cxx
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@ -21,8 +21,10 @@
#include <FL/Fl_Grid.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Check_Button.H>
#include <FL/fl_ask.H>
#include <FL/names.h>
#include <stdio.h>
#include <stdlib.h> // free()
// Global variables to simplify the code
@ -266,11 +268,30 @@ void clear_cb(Fl_Button *b, void *) {
Terminal *tty = ((app *)b->window())->tty;
tty->clear_screen_home();
tty->clear_history();
tty->printf("%s\n", headline_text); // test, helpful for copy to clipboard
tty->printf("%s\n", headline_text); // helpful if copied to the clipboard
tty->redraw();
tty->take_focus();
}
// Copy button callback: copies the selected text to the clipboard
void copy_cb(Fl_Widget *b, void *) {
Terminal *tty = ((app *)b->window())->tty;
const char *what = "Full";
const char *text;
int tlen = tty->selection_text_len();
if (tlen > 0) {
text = tty->selection_text();
what = "Selected";
} else {
text = tty->text();
}
tlen = (int)strlen(text);
Fl::copy(text, tlen, 1, Fl::clipboard_plain_text);
fl_message("%s text has been copied to the clipboard, length = %d.", what, tlen);
free((void *)text);
tty->take_focus();
}
// Callback for all (light) buttons
void toggle_cb(Fl_Widget *w, void *) {
Terminal *tty = ((app *)w->window())->tty;
@ -309,40 +330,47 @@ int main(int argc, char **argv) {
const int WW = 700, WH = 400;
app *win = new app(0, 0, WW, WH);
win->tty->box(FL_DOWN_BOX);
win->tty->show_unknown(true);
win->tty->printf("Please press any key ...\n");
Fl_Grid *grid = new Fl_Grid(0, WH - 75, WW, 75);
grid->layout(2, 5, 5, 5);
keydown = new Fl_Check_Button(0, 0, 80, 30, "Keydown");
grid->widget(keydown, 0, 1);
grid->widget(keydown, 0, 0);
keydown->value(1);
keydown->callback(toggle_cb);
keydown->tooltip("Show FL_KEYDOWN aka FL_KEYBOARD events");
keyup = new Fl_Check_Button(0, 0, 80, 30, "Keyup");
grid->widget(keyup, 0, 2);
grid->widget(keyup, 0, 1);
keyup->value(0);
keyup->callback(toggle_cb);
keyup->tooltip("Show FL_KEYUP events");
scaling = new Fl_Check_Button(0, 0, 80, 30, "GUI scaling");
grid->widget(scaling, 1, 2);
scaling->value(1);
scaling->callback(toggle_scaling);
scaling->tooltip("Use GUI scaling shortcuts");
shortcut = new Fl_Check_Button(0, 0, 80, 30, "Shortcut");
grid->widget(shortcut, 0, 3);
grid->widget(shortcut, 0, 2);
shortcut->value(0);
shortcut->callback(toggle_cb);
shortcut->tooltip("Show FL_SHORTCUT events");
scaling = new Fl_Check_Button(0, 0, 80, 30, "GUI scaling");
grid->widget(scaling, 0, 3);
scaling->value(0);
scaling->callback(toggle_scaling);
scaling->tooltip("Use GUI scaling shortcuts");
toggle_scaling(scaling, 0);
Fl_Button *clear = new Fl_Button(0, 0, 80, 30, "Clear");
grid->widget(clear, 1, 0);
clear->callback((Fl_Callback *)clear_cb);
clear->tooltip("Clear the display");
Fl_Button *copy = new Fl_Button(0, 0, 80, 30, "Copy");
grid->widget(copy, 1, 1);
copy->callback(copy_cb);
copy->tooltip("Copy terminal contents to clipboard");
Fl_Button *quit = new Fl_Button(WW - 70, WH - 50, 80, 30, "Quit");
grid->widget(quit, 1, 4);
quit->box(FL_THIN_UP_BOX);