1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#include <SharedGraphics/GraphicsBitmap.h>
#include <LibGUI/GWindow.h>
#include <LibGUI/GWidget.h>
#include <LibGUI/GButton.h>
#include <LibGUI/GApplication.h>
#include <LibGUI/GBoxLayout.h>
#include <sys/wait.h>
#include <signal.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
static GWindow* make_launcher_window();
void handle_sigchld(int)
{
dbgprintf("Launcher(%d) Got SIGCHLD\n", getpid());
int pid = waitpid(-1, nullptr, 0);
dbgprintf("Launcher(%d) waitpid() returned %d\n", getpid(), pid);
ASSERT(pid > 0);
}
int main(int argc, char** argv)
{
GApplication app(argc, argv);
signal(SIGCHLD, handle_sigchld);
auto* launcher_window = make_launcher_window();
launcher_window->set_should_exit_event_loop_on_close(true);
launcher_window->show();
return app.exec();
}
class LauncherButton final : public GButton {
public:
LauncherButton(const String& name, const String& icon_path, const String& exec_path, GWidget* parent)
: GButton(parent)
, m_executable_path(exec_path)
{
set_tooltip(name);
set_button_style(ButtonStyle::CoolBar);
set_icon(GraphicsBitmap::load_from_file(icon_path));
set_preferred_size({ 50, 50 });
set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
on_click = [this] (GButton&) {
pid_t child_pid = fork();
if (!child_pid) {
int rc = execl(m_executable_path.characters(), m_executable_path.characters(), nullptr);
if (rc < 0)
perror("execl");
}
};
} virtual ~LauncherButton() { }
private:
String m_executable_path;
};
GWindow* make_launcher_window()
{
auto* window = new GWindow;
window->set_title("Launcher");
window->set_rect(50, 50, 300, 60);
auto* widget = new GWidget;
widget->set_fill_with_background_color(true);
widget->set_layout(make<GBoxLayout>(Orientation::Horizontal));
widget->layout()->set_margins({ 5, 5, 5, 5 });
window->set_main_widget(widget);
new LauncherButton("Terminal", "/res/icons/Terminal.png", "/bin/Terminal", widget);
new LauncherButton("FontEditor", "/res/icons/FontEditor.png", "/bin/FontEditor", widget);
new LauncherButton("FileManager", "/res/icons/32x32/filetype-folder.png", "/bin/FileManager", widget);
new LauncherButton("TextEditor", "/res/icons/TextEditor.png", "/bin/TextEditor", widget);
return window;
}
|
