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Add very basic KeyDown events to the GUI event stream.

The Terminal program now hosts an interactive shell. :^)
This commit is contained in:
Andreas Kling 2019-01-15 06:49:52 +01:00
parent c0ef060a7c
commit 78696236d3
4 changed files with 33 additions and 8 deletions

View file

@ -42,11 +42,18 @@ struct GUI_WindowBackingStoreInfo {
enum class GUI_MouseButton : unsigned char { enum class GUI_MouseButton : unsigned char {
NoButton = 0, NoButton = 0,
Left = 1, Left = 1,
Right = 2, Right = 2,
Middle = 4, Middle = 4,
}; };
struct GUI_KeyModifiers { enum {
Shift = 1 << 0,
Alt = 1 << 1,
Ctrl = 1 << 2,
}; };
struct GUI_Event { struct GUI_Event {
enum Type : unsigned { enum Type : unsigned {
Invalid, Invalid,
@ -54,6 +61,8 @@ struct GUI_Event {
MouseMove, MouseMove,
MouseDown, MouseDown,
MouseUp, MouseUp,
KeyDown,
KeyUp,
}; };
Type type { Invalid }; Type type { Invalid };
int window_id { -1 }; int window_id { -1 };
@ -66,6 +75,10 @@ struct GUI_Event {
GUI_Point position; GUI_Point position;
GUI_MouseButton button; GUI_MouseButton button;
} mouse; } mouse;
struct {
char character;
unsigned modifiers;
} key;
}; };
}; };

View file

@ -1173,6 +1173,7 @@ int Process::sys$fcntl(int fd, int cmd, dword arg)
case F_GETFL: case F_GETFL:
return descriptor->file_flags(); return descriptor->file_flags();
case F_SETFL: case F_SETFL:
// FIXME: Support changing O_NONBLOCK
descriptor->set_file_flags(arg); descriptor->set_file_flags(arg);
break; break;
default: default:
@ -1294,6 +1295,8 @@ int Process::sys$open(const char* path, int options)
return error; return error;
if (options & O_DIRECTORY && !descriptor->is_directory()) if (options & O_DIRECTORY && !descriptor->is_directory())
return -ENOTDIR; // FIXME: This should be handled by VFS::open. return -ENOTDIR; // FIXME: This should be handled by VFS::open.
if (options & O_NONBLOCK)
descriptor->set_blocking(false);
int fd = 0; int fd = 0;
for (; fd < (int)m_max_open_file_descriptors; ++fd) { for (; fd < (int)m_max_open_file_descriptors; ++fd) {

View file

@ -43,7 +43,7 @@ static void make_shell(int ptm_fd)
int main(int, char**) int main(int, char**)
{ {
int ptm_fd = open("/dev/ptm0", O_RDWR); int ptm_fd = open("/dev/ptm0", O_RDWR | O_NONBLOCK);
if (ptm_fd < 0) { if (ptm_fd < 0) {
perror("open"); perror("open");
return 1; return 1;
@ -53,7 +53,7 @@ int main(int, char**)
make_shell(ptm_fd); make_shell(ptm_fd);
int event_fd = open("/dev/gui_events", O_RDONLY); int event_fd = open("/dev/gui_events", O_RDONLY | O_NONBLOCK);
if (event_fd < 0) { if (event_fd < 0) {
perror("open"); perror("open");
return 1; return 1;
@ -72,13 +72,15 @@ int main(int, char**)
} }
terminal.paint(); terminal.paint();
} }
#if 0
GUI_Event event; GUI_Event event;
ssize_t nread = read(event_fd, &event, sizeof(event)); ssize_t nread = read(event_fd, &event, sizeof(event));
if (nread < 0) { if (nread < 0) {
perror("read"); perror("read");
return 1; return 1;
} }
if (nread == 0)
continue;
assert(nread == sizeof(event)); assert(nread == sizeof(event));
dbgprintf("(Terminal:%d) ", getpid()); dbgprintf("(Terminal:%d) ", getpid());
switch (event.type) { switch (event.type) {
@ -86,13 +88,16 @@ int main(int, char**)
case GUI_Event::Type::MouseDown: dbgprintf("WID=%x MouseDown %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break; case GUI_Event::Type::MouseDown: dbgprintf("WID=%x MouseDown %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
case GUI_Event::Type::MouseUp: dbgprintf("WID=%x MouseUp %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break; case GUI_Event::Type::MouseUp: dbgprintf("WID=%x MouseUp %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
case GUI_Event::Type::MouseMove: dbgprintf("WID=%x MouseMove %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break; case GUI_Event::Type::MouseMove: dbgprintf("WID=%x MouseMove %d,%d\n", event.window_id, event.mouse.position.x, event.mouse.position.y); break;
case GUI_Event::Type::KeyDown: dbgprintf("WID=%x KeyDown 0x%b (%c)\n", event.window_id, event.key.character, event.key.character); break;
default: default:
ASSERT_NOT_REACHED(); ASSERT_NOT_REACHED();
} }
if (event.type == GUI_Event::Type::MouseDown) if (event.type == GUI_Event::Type::Paint) {
terminal.paint(); terminal.paint();
#endif } else if (event.type == GUI_Event::Type::KeyDown) {
write(ptm_fd, &event.key.character, 1);
}
} }
return 0; return 0;
} }

View file

@ -72,6 +72,10 @@ void Window::event(Event& event)
gui_event.mouse.position = static_cast<MouseEvent&>(event).position(); gui_event.mouse.position = static_cast<MouseEvent&>(event).position();
gui_event.mouse.button = to_api(static_cast<MouseEvent&>(event).button()); gui_event.mouse.button = to_api(static_cast<MouseEvent&>(event).button());
break; break;
case Event::KeyDown:
gui_event.type = GUI_Event::Type::KeyDown;
gui_event.key.character = static_cast<KeyEvent&>(event).text()[0];
break;
} }
if (gui_event.type == GUI_Event::Type::Invalid) if (gui_event.type == GUI_Event::Type::Invalid)