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Terminal: Various improvements to terminal emulation.

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This commit is contained in:
Andreas Kling 2019-01-23 19:58:45 +01:00
parent 8d36c8f0d8
commit faaa0dbf1d
3 changed files with 20 additions and 20 deletions
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23
Terminal/Terminal.cpp
View file

@ -376,6 +376,8 @@ void Terminal::set_cursor(unsigned row, unsigned column)
invalidate_cursor();
m_cursor_row = row;
m_cursor_column = column;
if (column != columns() - 1)
m_stomp = false;
invalidate_cursor();
}
@ -438,7 +440,7 @@ void Terminal::on_char(byte ch)
put_character_at(m_cursor_row, m_cursor_column, ' ');
return;
}
break;
return;
case '\a':
// FIXME: Bell!
return;
@ -459,13 +461,22 @@ void Terminal::on_char(byte ch)
return;
}
put_character_at(m_cursor_row, m_cursor_column, ch);
auto new_column = m_cursor_column + 1;
if (new_column < columns())
if (new_column < columns()) {
put_character_at(m_cursor_row, m_cursor_column, ch);
set_cursor(m_cursor_row, new_column);
else
scroll_up();
} else {
if (m_stomp) {
m_stomp = false;
scroll_up();
put_character_at(m_cursor_row, m_cursor_column, ch);
set_cursor(m_cursor_row, 1);
} else {
// Curious: We wait once on the right-hand side
m_stomp = true;
put_character_at(m_cursor_row, m_cursor_column, ch);
}
}
}
void Terminal::set_size(word columns, word rows)

1
Terminal/Terminal.h
View file

@ -72,6 +72,7 @@ private:
byte m_cursor_column { 0 };
byte m_saved_cursor_row { 0 };
byte m_saved_cursor_column { 0 };
bool m_stomp { false };
Attribute m_current_attribute;

16
Terminal/main.cpp
View file

@ -10,7 +10,7 @@
#include <SharedGraphics/Painter.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <gui.h>
#include <LibC/gui.h>
#include "Terminal.h"
static void make_shell(int ptm_fd)
@ -43,7 +43,7 @@ static void make_shell(int ptm_fd)
perror("ioctl(TIOCSCTTY)");
exit(1);
}
rc = execve("/bin/sh", nullptr, nullptr);
rc = execvp("/bin/sh", nullptr);
if (rc < 0) {
perror("execve");
exit(1);
@ -111,18 +111,6 @@ int main(int, char**)
}
assert(nread != 0);
assert(nread == sizeof(event));
dbgprintf("(Terminal:%d) ", getpid());
switch (event.type) {
case GUI_Event::Type::Paint: dbgprintf("WID=%x Paint [%d,%d %dx%d]\n", event.window_id, event.paint.rect.location.x, event.paint.rect.location.y, event.paint.rect.size.width, event.paint.rect.size.height); 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::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;
case GUI_Event::Type::WindowActivated: dbgprintf("WID=%x WindowActivated\n", event.window_id); break;
case GUI_Event::Type::WindowDeactivated: dbgprintf("WID=%x WindowDeactivated\n", event.window_id); break;
default:
ASSERT_NOT_REACHED();
}
if (event.type == GUI_Event::Type::Paint) {
terminal.paint();