diff options
Diffstat (limited to 'Applications/Terminal')
| -rw-r--r-- | Applications/Terminal/Terminal.cpp | 77 | ||||
| -rw-r--r-- | Applications/Terminal/Terminal.h | 6 |
2 files changed, 77 insertions, 6 deletions
diff --git a/Applications/Terminal/Terminal.cpp b/Applications/Terminal/Terminal.cpp index 4ec4bb6c57..d4f70098b8 100644 --- a/Applications/Terminal/Terminal.cpp +++ b/Applications/Terminal/Terminal.cpp @@ -254,7 +254,13 @@ void Terminal::escape$r(const ParamVector& params) top = params[0]; if (params.size() >= 2) bottom = params[1]; - dbgprintf("FIXME: escape$r: Set scrolling region: %u-%u\n", top, bottom); + if ((bottom - top) < 2 || bottom > m_rows) { + dbgprintf("Error: escape: scrolling region invalid: %u-%u\n", top, bottom); + return; + } + m_scroll_region_top = top; + m_scroll_region_bottom = bottom; + set_cursor(0, 0); } void Terminal::escape$H(const ParamVector& params) @@ -415,6 +421,42 @@ void Terminal::escape$J(const ParamVector& params) } } +void Terminal::escape$S(const ParamVector& params) +{ + int count = 1; + if (params.size() >= 1) + count = params[0]; + dbgprintf("Terminal: Scrolling up %d lines\n", count); + + for (word i = 0; i < count; i++) + scroll_up(); +} + +void Terminal::escape$T(const ParamVector& params) +{ + int count = 1; + if (params.size() >= 1) + count = params[0]; + dbgprintf("Terminal: Scrolling down %d lines\n", count); + + for (word i = 0; i < count; i++) + scroll_down(); +} + +void Terminal::escape$L(const ParamVector& params) +{ + int count = 1; + if (params.size() >= 1) + count = params[0]; + dbgprintf("Terminal: Adding %d lines below cursor (at line %d)\n", count, m_cursor_row); + invalidate_cursor(); + for (word row = m_rows; row > m_cursor_row; --row) + m_lines[row] = m_lines[row - 1]; + m_lines[m_cursor_row] = new Line(m_columns); + ++m_rows_to_scroll_backing_store; + m_need_full_flush = true; +} + void Terminal::escape$M(const ParamVector& params) { int count = 1; @@ -430,8 +472,11 @@ void Terminal::escape$M(const ParamVector& params) count = min(count, max_count); dbgprintf("Delete %d line(s) starting from %d\n", count, m_cursor_row); - // FIXME: Implement. - ASSERT_NOT_REACHED(); + for (word i = 0; i < count; ++i) + delete m_lines[m_cursor_row + i]; + for (word row = m_cursor_row + count + 1; row < rows(); ++row) + m_lines[row - 1] = m_lines[row]; + m_lines[m_rows - 1]->clear(m_current_attribute); } void Terminal::execute_xterm_command() @@ -480,6 +525,9 @@ void Terminal::execute_escape_sequence(byte final) case 'J': escape$J(params); break; case 'K': escape$K(params); break; case 'M': escape$M(params); break; + case 'S': escape$S(params); break; + case 'T': escape$T(params); break; + case 'L': escape$L(params); break; case 'G': escape$G(params); break; case 'X': escape$X(params); break; case 'd': escape$d(params); break; @@ -512,14 +560,25 @@ void Terminal::scroll_up() { // NOTE: We have to invalidate the cursor first. invalidate_cursor(); - delete m_lines[0]; - for (word row = 1; row < rows(); ++row) + delete m_lines[m_scroll_region_top]; + for (word row = m_scroll_region_top + 1; row < m_scroll_region_bottom; ++row) m_lines[row - 1] = m_lines[row]; - m_lines[m_rows - 1] = new Line(m_columns); + m_lines[m_scroll_region_bottom - 1] = new Line(m_columns); ++m_rows_to_scroll_backing_store; m_need_full_flush = true; } +void Terminal::scroll_down() +{ + // NOTE: We have to invalidate the cursor first. + invalidate_cursor(); + for (word row = m_scroll_region_bottom; row > m_scroll_region_top; --row) + m_lines[row] = m_lines[row - 1]; + m_lines[m_scroll_region_top] = new Line(m_columns); + --m_rows_to_scroll_backing_store; + m_need_full_flush = true; +} + void Terminal::set_cursor(unsigned a_row, unsigned a_column) { unsigned row = min(a_row, m_rows - 1u); @@ -718,6 +777,9 @@ void Terminal::set_size(word columns, word rows) m_columns = columns; m_rows = rows; + m_scroll_region_top = 0; + m_scroll_region_bottom = rows; + m_cursor_row = 0; m_cursor_column = 0; m_saved_cursor_row = 0; @@ -825,6 +887,9 @@ void Terminal::keydown_event(GKeyEvent& event) case KeyCode::Key_End: write(m_ptm_fd, "\033[F", 3); break; + case KeyCode::Key_RightShift: + dbgprintf("Terminal: A wild Right Shift key is pressed. Not handled.\n"); + break; default: write(m_ptm_fd, &ch, 1); break; diff --git a/Applications/Terminal/Terminal.h b/Applications/Terminal/Terminal.h index 045464d7f6..137e68569b 100644 --- a/Applications/Terminal/Terminal.h +++ b/Applications/Terminal/Terminal.h @@ -42,6 +42,7 @@ private: virtual const char* class_name() const override { return "Terminal"; } void scroll_up(); + void scroll_down(); void newline(); void set_cursor(unsigned row, unsigned column); void put_character_at(unsigned row, unsigned column, byte ch); @@ -68,6 +69,9 @@ private: void escape$u(const ParamVector&); void escape$t(const ParamVector&); void escape$r(const ParamVector&); + void escape$S(const ParamVector&); + void escape$T(const ParamVector&); + void escape$L(const ParamVector&); void clear(); @@ -144,6 +148,8 @@ private: bool m_stomp { false }; bool m_should_beep { false }; + byte m_scroll_region_top { 0 }; + byte m_scroll_region_bottom { 0 }; Attribute m_current_attribute; |