mirror of
https://github.com/RGBCube/serenity
synced 2025-07-28 16:07:45 +00:00
Move apps into a top-level Applications/ directory.
This commit is contained in:
Andreas Kling
parent
29f2a22d34
commit
2cf1dd5b6f
27 changed files with 30 additions and 26 deletions
3
Applications/Terminal/.gitignore
vendored
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3
Applications/Terminal/.gitignore
vendored
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@ -0,0 +1,3 @@
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*.o
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*.d
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Terminal
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35
Applications/Terminal/Makefile
Normal file
35
Applications/Terminal/Makefile
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@ -0,0 +1,35 @@
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OBJS = \
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Terminal.o \
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main.o
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APP = Terminal
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ARCH_FLAGS =
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STANDARD_FLAGS = -std=c++17 -nostdinc++ -nostdlib -nostdinc
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USERLAND_FLAGS = -ffreestanding -fno-stack-protector -fno-ident
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WARNING_FLAGS = -Wextra -Wall -Wundef -Wcast-qual -Wwrite-strings
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FLAVOR_FLAGS = -march=i386 -m32 -fno-exceptions -fno-rtti -fmerge-all-constants -fno-unroll-loops -fno-pie -fno-pic
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OPTIMIZATION_FLAGS = -Oz -fno-asynchronous-unwind-tables
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INCLUDE_FLAGS = -I../.. -I. -I../../LibC
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DEFINES = -DSERENITY -DSANITIZE_PTRS -DUSERLAND
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CXXFLAGS = -MMD -MP $(WARNING_FLAGS) $(OPTIMIZATION_FLAGS) $(USERLAND_FLAGS) $(FLAVOR_FLAGS) $(ARCH_FLAGS) $(STANDARD_FLAGS) $(INCLUDE_FLAGS) $(DEFINES)
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CXX = clang
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LD = ld
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AR = ar
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LDFLAGS = -static --strip-debug -melf_i386 -e _start --gc-sections
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all: $(APP)
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$(APP): $(OBJS)
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$(LD) -o $(APP) $(LDFLAGS) $(OBJS) ../LibC/LibC.a
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.cpp.o:
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@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<
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-include $(OBJS:%.o=%.d)
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clean:
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@echo "CLEAN"; rm -f $(APPS) $(OBJS) *.d
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748
Applications/Terminal/Terminal.cpp
Normal file
748
Applications/Terminal/Terminal.cpp
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@ -0,0 +1,748 @@
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#include "Terminal.h"
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#include "XtermColors.h"
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#include <AK/AKString.h>
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#include <AK/StringBuilder.h>
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#include <SharedGraphics/Font.h>
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#include <SharedGraphics/Painter.h>
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#include <AK/StdLibExtras.h>
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#include <LibC/stdlib.h>
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#include <LibC/unistd.h>
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#include <LibC/stdio.h>
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#include <LibC/gui.h>
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//#define TERMINAL_DEBUG
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void Terminal::create_window()
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{
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m_pixel_width = m_columns * font().glyph_width() + m_inset * 2;
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m_pixel_height = (m_rows * (font().glyph_height() + m_line_spacing)) + (m_inset * 2) - m_line_spacing;
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GUI_WindowParameters params;
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params.rect = { { 300, 300 }, { m_pixel_width, m_pixel_height } };
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params.background_color = 0x000000;
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strcpy(params.title, "Terminal");
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m_window_id = gui_create_window(¶ms);
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ASSERT(m_window_id > 0);
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if (m_window_id < 0) {
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perror("gui_create_window");
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exit(1);
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}
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// NOTE: We never release the backing store.
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GUI_WindowBackingStoreInfo info;
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int rc = gui_get_window_backing_store(m_window_id, &info);
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if (rc < 0) {
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perror("gui_get_window_backing_store");
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exit(1);
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}
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m_backing = GraphicsBitmap::create_wrapper(info.size, info.pixels);
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}
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Terminal::Terminal()
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: m_font(Font::default_font())
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{
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m_line_height = font().glyph_height() + m_line_spacing;
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set_size(80, 25);
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m_horizontal_tabs = static_cast<byte*>(malloc(columns()));
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for (unsigned i = 0; i < columns(); ++i)
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m_horizontal_tabs[i] = (i % 8) == 0;
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// Rightmost column is always last tab on line.
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m_horizontal_tabs[columns() - 1] = 1;
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m_lines = new Line*[rows()];
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for (size_t i = 0; i < rows(); ++i)
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m_lines[i] = new Line(columns());
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}
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Terminal::Line::Line(word columns)
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: length(columns)
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{
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characters = new byte[length];
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attributes = new Attribute[length];
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did_paint = false;
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memset(characters, ' ', length);
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}
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Terminal::Line::~Line()
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{
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delete [] characters;
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delete [] attributes;
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}
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void Terminal::Line::clear(Attribute attribute)
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{
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if (dirty) {
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memset(characters, ' ', length);
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for (word i = 0 ; i < length; ++i)
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attributes[i] = attribute;
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return;
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}
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for (unsigned i = 0 ; i < length; ++i) {
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if (characters[i] != ' ')
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dirty = true;
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characters[i] = ' ';
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}
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for (unsigned i = 0 ; i < length; ++i) {
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if (attributes[i] != attribute)
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dirty = true;
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attributes[i] = attribute;
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}
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}
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Terminal::~Terminal()
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{
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for (size_t i = 0; i < m_rows; ++i)
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delete m_lines[i];
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delete [] m_lines;
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free(m_horizontal_tabs);
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}
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void Terminal::clear()
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{
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for (size_t i = 0; i < rows(); ++i)
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line(i).clear(m_current_attribute);
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set_cursor(0, 0);
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}
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inline bool is_valid_parameter_character(byte ch)
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{
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return ch >= 0x30 && ch <= 0x3f;
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}
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inline bool is_valid_intermediate_character(byte ch)
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{
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return ch >= 0x20 && ch <= 0x2f;
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}
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inline bool is_valid_final_character(byte ch)
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{
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return ch >= 0x40 && ch <= 0x7e;
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}
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unsigned parse_uint(const String& str, bool& ok)
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{
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unsigned value = 0;
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for (size_t i = 0; i < str.length(); ++i) {
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if (str[i] < '0' || str[i] > '9') {
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ok = false;
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return 0;
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}
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value = value * 10;
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value += str[i] - '0';
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}
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ok = true;
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return value;
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}
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static inline Color lookup_color(unsigned color)
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{
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return xterm_colors[color];
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}
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void Terminal::escape$m(const Vector<unsigned>& params)
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{
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if (params.size() == 3 && params[1] == 5) {
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if (params[0] == 38) {
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m_current_attribute.foreground_color = params[2];
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return;
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} else if (params[0] == 48) {
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m_current_attribute.background_color = params[2];
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return;
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}
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}
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for (auto param : params) {
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switch (param) {
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case 0:
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// Reset
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m_current_attribute.reset();
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break;
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case 1:
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// Bold
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//m_current_attribute.bold = true;
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break;
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case 30:
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case 31:
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case 32:
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case 33:
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case 34:
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case 35:
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case 36:
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case 37:
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// Foreground color
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m_current_attribute.foreground_color = param - 30;
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break;
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case 40:
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case 41:
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case 42:
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case 43:
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case 44:
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case 45:
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case 46:
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case 47:
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// Background color
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m_current_attribute.background_color = param - 40;
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break;
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}
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}
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}
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void Terminal::escape$s(const Vector<unsigned>&)
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{
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m_saved_cursor_row = m_cursor_row;
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m_saved_cursor_column = m_cursor_column;
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}
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void Terminal::escape$u(const Vector<unsigned>&)
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{
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set_cursor(m_saved_cursor_row, m_saved_cursor_column);
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}
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void Terminal::escape$H(const Vector<unsigned>& params)
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{
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unsigned row = 1;
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unsigned col = 1;
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if (params.size() >= 1)
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row = params[0];
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if (params.size() >= 2)
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col = params[1];
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set_cursor(row - 1, col - 1);
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}
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void Terminal::escape$A(const Vector<unsigned>& params)
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{
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int num = 1;
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if (params.size() >= 1)
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num = params[0];
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if (num == 0)
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num = 1;
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int new_row = (int)m_cursor_row - num;
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if (new_row < 0)
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new_row = 0;
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set_cursor(new_row, m_cursor_column);
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}
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void Terminal::escape$B(const Vector<unsigned>& params)
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{
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int num = 1;
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if (params.size() >= 1)
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num = params[0];
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if (num == 0)
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num = 1;
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int new_row = (int)m_cursor_row + num;
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if (new_row >= m_rows)
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new_row = m_rows - 1;
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set_cursor(new_row, m_cursor_column);
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}
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void Terminal::escape$C(const Vector<unsigned>& params)
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{
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int num = 1;
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if (params.size() >= 1)
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num = params[0];
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if (num == 0)
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num = 1;
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int new_column = (int)m_cursor_column + num;
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if (new_column >= m_columns)
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new_column = m_columns - 1;
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set_cursor(m_cursor_row, new_column);
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}
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void Terminal::escape$D(const Vector<unsigned>& params)
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{
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int num = 1;
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if (params.size() >= 1)
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num = params[0];
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if (num == 0)
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num = 1;
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int new_column = (int)m_cursor_column - num;
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if (new_column < 0)
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new_column = 0;
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set_cursor(m_cursor_row, new_column);
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}
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void Terminal::escape$K(const Vector<unsigned>& params)
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{
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int mode = 0;
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if (params.size() >= 1)
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mode = params[0];
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switch (mode) {
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case 0:
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// Clear from cursor to end of line.
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for (int i = m_cursor_column; i < m_columns; ++i) {
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put_character_at(m_cursor_row, i, ' ');
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}
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break;
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case 1:
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// FIXME: Clear from cursor to beginning of screen.
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unimplemented_escape();
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break;
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case 2:
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unimplemented_escape();
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break;
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default:
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unimplemented_escape();
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break;
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}
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}
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void Terminal::escape$J(const Vector<unsigned>& params)
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{
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int mode = 0;
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if (params.size() >= 1)
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mode = params[0];
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switch (mode) {
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case 0:
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// Clear from cursor to end of screen.
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for (int i = m_cursor_column; i < m_columns; ++i) {
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put_character_at(m_cursor_row, i, ' ');
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}
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for (int row = m_cursor_row + 1; row < m_rows; ++row) {
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for (int column = 0; column < m_columns; ++column) {
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put_character_at(row, column, ' ');
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}
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}
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break;
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case 1:
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// FIXME: Clear from cursor to beginning of screen.
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unimplemented_escape();
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break;
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case 2:
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clear();
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break;
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case 3:
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// FIXME: <esc>[3J should also clear the scrollback buffer.
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clear();
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break;
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default:
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unimplemented_escape();
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break;
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}
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}
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void Terminal::escape$M(const Vector<unsigned>& params)
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{
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int count = 1;
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if (params.size() >= 1)
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count = params[0];
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if (count == 1 && m_cursor_row == 0) {
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scroll_up();
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return;
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}
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int max_count = m_rows - m_cursor_row;
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count = min(count, max_count);
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dbgprintf("Delete %d line(s) starting from %d\n", count, m_cursor_row);
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// FIXME: Implement.
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ASSERT_NOT_REACHED();
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}
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void Terminal::execute_xterm_command()
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{
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m_final = '@';
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bool ok;
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unsigned value = parse_uint(String((const char*)m_xterm_param1.data(), m_xterm_param1.size()), ok);
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if (ok) {
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switch (value) {
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case 0:
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case 1:
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case 2:
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set_window_title(String((const char*)m_xterm_param2.data(), m_xterm_param2.size()));
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break;
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default:
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unimplemented_xterm_escape();
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break;
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}
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}
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m_xterm_param1.clear_with_capacity();
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m_xterm_param2.clear_with_capacity();
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}
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void Terminal::execute_escape_sequence(byte final)
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{
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m_final = final;
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auto paramparts = String((const char*)m_parameters.data(), m_parameters.size()).split(';');
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Vector<unsigned> params;
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for (auto& parampart : paramparts) {
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bool ok;
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unsigned value = parse_uint(parampart, ok);
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if (!ok) {
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m_parameters.clear_with_capacity();
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m_intermediates.clear_with_capacity();
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// FIXME: Should we do something else?
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return;
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}
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params.append(value);
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}
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switch (final) {
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case 'A': escape$A(params); break;
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case 'B': escape$B(params); break;
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case 'C': escape$C(params); break;
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case 'D': escape$D(params); break;
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case 'H': escape$H(params); break;
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case 'J': escape$J(params); break;
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case 'K': escape$K(params); break;
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case 'M': escape$M(params); break;
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case 'm': escape$m(params); break;
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case 's': escape$s(params); break;
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case 'u': escape$u(params); break;
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default:
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dbgprintf("Terminal::execute_escape_sequence: Unhandled final '%c'\n", final);
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break;
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}
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m_parameters.clear_with_capacity();
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m_intermediates.clear_with_capacity();
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}
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void Terminal::newline()
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{
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word new_row = m_cursor_row;
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if (m_cursor_row == (rows() - 1)) {
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scroll_up();
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} else {
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++new_row;
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}
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set_cursor(new_row, 0);
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}
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void Terminal::scroll_up()
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{
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// NOTE: We have to invalidate the cursor first.
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invalidate_cursor();
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delete m_lines[0];
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for (word row = 1; row < rows(); ++row)
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m_lines[row - 1] = m_lines[row];
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m_lines[m_rows - 1] = new Line(m_columns);
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++m_rows_to_scroll_backing_store;
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}
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void Terminal::set_cursor(unsigned a_row, unsigned a_column)
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{
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unsigned row = min(a_row, m_rows - 1u);
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unsigned column = min(a_column, m_columns - 1u);
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if (row == m_cursor_row && column == m_cursor_column)
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return;
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ASSERT(row < rows());
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ASSERT(column < columns());
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invalidate_cursor();
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m_cursor_row = row;
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m_cursor_column = column;
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if (column != columns() - 1)
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m_stomp = false;
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invalidate_cursor();
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}
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void Terminal::put_character_at(unsigned row, unsigned column, byte ch)
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{
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ASSERT(row < rows());
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ASSERT(column < columns());
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auto& line = this->line(row);
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if ((line.characters[column] == ch) && (line.attributes[column] == m_current_attribute))
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return;
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line.characters[column] = ch;
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line.attributes[column] = m_current_attribute;
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line.dirty = true;
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}
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void Terminal::on_char(byte ch)
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{
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#ifdef TERMINAL_DEBUG
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dbgprintf("Terminal::on_char: %b (%c), fg=%u, bg=%u\n", ch, ch, m_current_attribute.foreground_color, m_current_attribute.background_color);
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#endif
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switch (m_escape_state) {
|
||||
case ExpectBracket:
|
||||
if (ch == '[')
|
||||
m_escape_state = ExpectParameter;
|
||||
else if (ch == ']')
|
||||
m_escape_state = ExpectXtermParameter1;
|
||||
else
|
||||
m_escape_state = Normal;
|
||||
return;
|
||||
case ExpectXtermParameter1:
|
||||
if (ch != ';') {
|
||||
m_xterm_param1.append(ch);
|
||||
return;
|
||||
}
|
||||
m_escape_state = ExpectXtermParameter2;
|
||||
return;
|
||||
case ExpectXtermParameter2:
|
||||
if (ch != '\007') {
|
||||
m_xterm_param2.append(ch);
|
||||
return;
|
||||
}
|
||||
m_escape_state = ExpectXtermFinal;
|
||||
// fall through
|
||||
case ExpectXtermFinal:
|
||||
m_escape_state = Normal;
|
||||
if (ch == '\007')
|
||||
execute_xterm_command();
|
||||
return;
|
||||
|
||||
case ExpectParameter:
|
||||
if (is_valid_parameter_character(ch)) {
|
||||
m_parameters.append(ch);
|
||||
return;
|
||||
}
|
||||
m_escape_state = ExpectIntermediate;
|
||||
// fall through
|
||||
case ExpectIntermediate:
|
||||
if (is_valid_intermediate_character(ch)) {
|
||||
m_intermediates.append(ch);
|
||||
return;
|
||||
}
|
||||
m_escape_state = ExpectFinal;
|
||||
// fall through
|
||||
case ExpectFinal:
|
||||
if (is_valid_final_character(ch)) {
|
||||
m_escape_state = Normal;
|
||||
execute_escape_sequence(ch);
|
||||
return;
|
||||
}
|
||||
m_escape_state = Normal;
|
||||
return;
|
||||
case Normal:
|
||||
break;
|
||||
}
|
||||
|
||||
switch (ch) {
|
||||
case '\0':
|
||||
return;
|
||||
case '\033':
|
||||
m_escape_state = ExpectBracket;
|
||||
return;
|
||||
case 8: // Backspace
|
||||
if (m_cursor_column) {
|
||||
set_cursor(m_cursor_row, m_cursor_column - 1);
|
||||
put_character_at(m_cursor_row, m_cursor_column, ' ');
|
||||
return;
|
||||
}
|
||||
return;
|
||||
case '\a':
|
||||
// FIXME: Bell!
|
||||
return;
|
||||
case '\t': {
|
||||
for (unsigned i = m_cursor_column; i < columns(); ++i) {
|
||||
if (m_horizontal_tabs[i]) {
|
||||
set_cursor(m_cursor_row, i);
|
||||
return;
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
case '\r':
|
||||
set_cursor(m_cursor_row, 0);
|
||||
return;
|
||||
case '\n':
|
||||
newline();
|
||||
return;
|
||||
}
|
||||
|
||||
auto new_column = m_cursor_column + 1;
|
||||
if (new_column < columns()) {
|
||||
put_character_at(m_cursor_row, m_cursor_column, ch);
|
||||
set_cursor(m_cursor_row, new_column);
|
||||
} else {
|
||||
if (m_stomp) {
|
||||
m_stomp = false;
|
||||
newline();
|
||||
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::inject_string(const String& str)
|
||||
{
|
||||
for (size_t i = 0; i < str.length(); ++i)
|
||||
on_char(str[i]);
|
||||
}
|
||||
|
||||
void Terminal::unimplemented_escape()
|
||||
{
|
||||
StringBuilder builder;
|
||||
builder.appendf("((Unimplemented escape: %c", m_final);
|
||||
if (!m_parameters.is_empty()) {
|
||||
builder.append(" parameters:");
|
||||
for (size_t i = 0; i < m_parameters.size(); ++i)
|
||||
builder.append((char)m_parameters[i]);
|
||||
}
|
||||
if (!m_intermediates.is_empty()) {
|
||||
builder.append(" intermediates:");
|
||||
for (size_t i = 0; i < m_intermediates.size(); ++i)
|
||||
builder.append((char)m_intermediates[i]);
|
||||
}
|
||||
builder.append("))");
|
||||
inject_string(builder.to_string());
|
||||
}
|
||||
|
||||
void Terminal::unimplemented_xterm_escape()
|
||||
{
|
||||
auto message = String::format("((Unimplemented xterm escape: %c))\n", m_final);
|
||||
inject_string(message);
|
||||
}
|
||||
|
||||
void Terminal::set_size(word columns, word rows)
|
||||
{
|
||||
m_columns = columns;
|
||||
m_rows = rows;
|
||||
}
|
||||
|
||||
Rect Terminal::glyph_rect(word row, word column)
|
||||
{
|
||||
int y = row * m_line_height;
|
||||
int x = column * font().glyph_width();
|
||||
return { x + m_inset, y + m_inset, font().glyph_width(), font().glyph_height() };
|
||||
}
|
||||
|
||||
Rect Terminal::row_rect(word row)
|
||||
{
|
||||
int y = row * m_line_height;
|
||||
Rect rect = { m_inset, y + m_inset, font().glyph_width() * m_columns, font().glyph_height() };
|
||||
rect.inflate(0, m_line_spacing);
|
||||
return rect;
|
||||
}
|
||||
|
||||
bool Terminal::Line::has_only_one_background_color() const
|
||||
{
|
||||
if (!length)
|
||||
return true;
|
||||
// FIXME: Cache this result?
|
||||
auto color = attributes[0].background_color;
|
||||
for (size_t i = 1; i < length; ++i) {
|
||||
if (attributes[i].background_color != color)
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
void Terminal::paint()
|
||||
{
|
||||
Rect rect { 0, 0, m_pixel_width, m_pixel_height };
|
||||
Painter painter(*m_backing);
|
||||
|
||||
for (size_t i = 0; i < rows(); ++i)
|
||||
line(i).did_paint = false;
|
||||
|
||||
if (m_rows_to_scroll_backing_store && m_rows_to_scroll_backing_store < m_rows) {
|
||||
int first_scanline = m_inset;
|
||||
int second_scanline = m_inset + (m_rows_to_scroll_backing_store * m_line_height);
|
||||
int num_rows_to_memcpy = m_rows - m_rows_to_scroll_backing_store;
|
||||
int scanlines_to_copy = (num_rows_to_memcpy * m_line_height) - m_line_spacing;
|
||||
fast_dword_copy(
|
||||
m_backing->scanline(first_scanline),
|
||||
m_backing->scanline(second_scanline),
|
||||
scanlines_to_copy * m_pixel_width
|
||||
);
|
||||
m_need_full_invalidation = true;
|
||||
line(max(0, m_cursor_row - m_rows_to_scroll_backing_store)).dirty = true;
|
||||
}
|
||||
m_rows_to_scroll_backing_store = 0;
|
||||
|
||||
invalidate_cursor();
|
||||
|
||||
for (word row = 0; row < m_rows; ++row) {
|
||||
auto& line = this->line(row);
|
||||
if (!line.dirty)
|
||||
continue;
|
||||
line.dirty = false;
|
||||
bool has_only_one_background_color = line.has_only_one_background_color();
|
||||
if (has_only_one_background_color) {
|
||||
painter.fill_rect(row_rect(row), lookup_color(line.attributes[0].background_color));
|
||||
}
|
||||
for (word column = 0; column < m_columns; ++column) {
|
||||
bool should_reverse_fill_for_cursor = m_in_active_window && row == m_cursor_row && column == m_cursor_column;
|
||||
auto& attribute = line.attributes[column];
|
||||
line.did_paint = true;
|
||||
char ch = line.characters[column];
|
||||
auto character_rect = glyph_rect(row, column);
|
||||
if (!has_only_one_background_color || should_reverse_fill_for_cursor) {
|
||||
auto cell_rect = character_rect.inflated(0, m_line_spacing);
|
||||
painter.fill_rect(cell_rect, lookup_color(should_reverse_fill_for_cursor ? attribute.foreground_color : attribute.background_color));
|
||||
}
|
||||
if (ch == ' ')
|
||||
continue;
|
||||
painter.draw_glyph(character_rect.location(), ch, lookup_color(should_reverse_fill_for_cursor ? attribute.background_color : attribute.foreground_color));
|
||||
}
|
||||
}
|
||||
|
||||
if (!m_in_active_window) {
|
||||
auto cell_rect = glyph_rect(m_cursor_row, m_cursor_column).inflated(0, m_line_spacing);
|
||||
painter.draw_rect(cell_rect, lookup_color(line(m_cursor_row).attributes[m_cursor_column].foreground_color));
|
||||
}
|
||||
|
||||
line(m_cursor_row).did_paint = true;
|
||||
|
||||
if (m_belling) {
|
||||
m_need_full_invalidation = true;
|
||||
painter.draw_rect(rect, Color::Red);
|
||||
}
|
||||
|
||||
if (m_need_full_invalidation) {
|
||||
did_paint();
|
||||
m_need_full_invalidation = false;
|
||||
return;
|
||||
}
|
||||
|
||||
Rect painted_rect;
|
||||
for (int i = 0; i < m_rows; ++i) {
|
||||
if (line(i).did_paint)
|
||||
painted_rect = painted_rect.united(row_rect(i));
|
||||
}
|
||||
did_paint(painted_rect);
|
||||
}
|
||||
|
||||
void Terminal::did_paint(const Rect& a_rect)
|
||||
{
|
||||
GUI_Rect rect = a_rect;
|
||||
int rc = gui_notify_paint_finished(m_window_id, a_rect.is_null() ? nullptr : &rect);
|
||||
if (rc < 0) {
|
||||
perror("gui_notify_paint_finished");
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
void Terminal::update()
|
||||
{
|
||||
Rect rect;
|
||||
for (int i = 0; i < m_rows; ++i) {
|
||||
if (line(i).did_paint)
|
||||
rect = rect.united(row_rect(i));
|
||||
}
|
||||
GUI_Rect gui_rect = rect;
|
||||
int rc = gui_invalidate_window(m_window_id, rect.is_null() ? nullptr : &gui_rect);
|
||||
if (rc < 0) {
|
||||
perror("gui_invalidate_window");
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
void Terminal::set_window_title(const String& title)
|
||||
{
|
||||
int rc = gui_set_window_title(m_window_id, title.characters(), title.length());
|
||||
if (rc < 0) {
|
||||
perror("gui_set_window_title");
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
void Terminal::set_in_active_window(bool b)
|
||||
{
|
||||
if (m_in_active_window == b)
|
||||
return;
|
||||
m_in_active_window = b;
|
||||
invalidate_cursor();
|
||||
update();
|
||||
}
|
||||
|
||||
void Terminal::invalidate_cursor()
|
||||
{
|
||||
line(m_cursor_row).dirty = true;
|
||||
}
|
||||
143
Applications/Terminal/Terminal.h
Normal file
143
Applications/Terminal/Terminal.h
Normal file
|
|
@ -0,0 +1,143 @@
|
|||
#pragma once
|
||||
|
||||
#include <AK/AKString.h>
|
||||
#include <AK/Types.h>
|
||||
#include <AK/Vector.h>
|
||||
#include <SharedGraphics/GraphicsBitmap.h>
|
||||
#include <SharedGraphics/Rect.h>
|
||||
|
||||
class Font;
|
||||
|
||||
class Terminal {
|
||||
public:
|
||||
Terminal();
|
||||
~Terminal();
|
||||
|
||||
void create_window();
|
||||
void paint();
|
||||
void on_char(byte);
|
||||
|
||||
void set_in_active_window(bool);
|
||||
void update();
|
||||
|
||||
private:
|
||||
Font& font() { return *m_font; }
|
||||
void scroll_up();
|
||||
void newline();
|
||||
void set_cursor(unsigned row, unsigned column);
|
||||
void put_character_at(unsigned row, unsigned column, byte ch);
|
||||
void invalidate_cursor();
|
||||
void did_paint(const Rect& = Rect());
|
||||
void invalidate_window(const Rect& = Rect());
|
||||
void set_window_title(const String&);
|
||||
|
||||
void inject_string(const String&);
|
||||
void unimplemented_escape();
|
||||
void unimplemented_xterm_escape();
|
||||
|
||||
void escape$A(const Vector<unsigned>&);
|
||||
void escape$B(const Vector<unsigned>&);
|
||||
void escape$C(const Vector<unsigned>&);
|
||||
void escape$D(const Vector<unsigned>&);
|
||||
void escape$H(const Vector<unsigned>&);
|
||||
void escape$J(const Vector<unsigned>&);
|
||||
void escape$K(const Vector<unsigned>&);
|
||||
void escape$M(const Vector<unsigned>&);
|
||||
void escape$m(const Vector<unsigned>&);
|
||||
void escape$s(const Vector<unsigned>&);
|
||||
void escape$u(const Vector<unsigned>&);
|
||||
|
||||
void clear();
|
||||
|
||||
void set_size(word columns, word rows);
|
||||
word columns() const { return m_columns; }
|
||||
word rows() const { return m_rows; }
|
||||
Rect glyph_rect(word row, word column);
|
||||
Rect row_rect(word row);
|
||||
|
||||
struct Attribute {
|
||||
Attribute() { reset(); }
|
||||
void reset()
|
||||
{
|
||||
foreground_color = 7;
|
||||
background_color = 0;
|
||||
//bold = false;
|
||||
}
|
||||
byte foreground_color;
|
||||
byte background_color;
|
||||
//bool bold : 1;
|
||||
bool operator==(const Attribute& other) const
|
||||
{
|
||||
return foreground_color == other.foreground_color && background_color == other.background_color;
|
||||
}
|
||||
bool operator!=(const Attribute& other) const
|
||||
{
|
||||
return !(*this == other);
|
||||
}
|
||||
};
|
||||
|
||||
struct Line {
|
||||
explicit Line(word columns);
|
||||
~Line();
|
||||
void clear(Attribute);
|
||||
bool has_only_one_background_color() const;
|
||||
byte* characters { nullptr };
|
||||
Attribute* attributes { nullptr };
|
||||
bool did_paint { false };
|
||||
bool dirty { false };
|
||||
word length { 0 };
|
||||
};
|
||||
Line& line(size_t index) { ASSERT(index < m_rows); return *m_lines[index]; }
|
||||
|
||||
Line** m_lines { nullptr };
|
||||
|
||||
word m_columns { 0 };
|
||||
word m_rows { 0 };
|
||||
|
||||
byte m_cursor_row { 0 };
|
||||
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;
|
||||
|
||||
void execute_escape_sequence(byte final);
|
||||
void execute_xterm_command();
|
||||
|
||||
enum EscapeState {
|
||||
Normal,
|
||||
ExpectBracket,
|
||||
ExpectParameter,
|
||||
ExpectIntermediate,
|
||||
ExpectFinal,
|
||||
|
||||
ExpectXtermParameter1,
|
||||
ExpectXtermParameter2,
|
||||
ExpectXtermFinal,
|
||||
};
|
||||
EscapeState m_escape_state { Normal };
|
||||
Vector<byte> m_parameters;
|
||||
Vector<byte> m_intermediates;
|
||||
Vector<byte> m_xterm_param1;
|
||||
Vector<byte> m_xterm_param2;
|
||||
byte m_final { 0 };
|
||||
byte* m_horizontal_tabs { nullptr };
|
||||
bool m_belling { false };
|
||||
|
||||
int m_window_id { 0 };
|
||||
RetainPtr<GraphicsBitmap> m_backing;
|
||||
|
||||
int m_pixel_width { 0 };
|
||||
int m_pixel_height { 0 };
|
||||
int m_rows_to_scroll_backing_store { 0 };
|
||||
|
||||
int m_inset { 2 };
|
||||
int m_line_spacing { 4 };
|
||||
int m_line_height { 0 };
|
||||
|
||||
bool m_in_active_window { false };
|
||||
bool m_need_full_invalidation { false };
|
||||
|
||||
RetainPtr<Font> m_font;
|
||||
};
|
||||
260
Applications/Terminal/XtermColors.h
Normal file
260
Applications/Terminal/XtermColors.h
Normal file
|
|
@ -0,0 +1,260 @@
|
|||
#pragma once
|
||||
|
||||
static const unsigned xterm_colors[256] = {
|
||||
0x000000,
|
||||
0xcc0000,
|
||||
0x3e9a06,
|
||||
0xc4a000,
|
||||
0x3465a4,
|
||||
0x75507b,
|
||||
0x06989a,
|
||||
0xeeeeec,
|
||||
0x555753,
|
||||
0xef2929,
|
||||
0x8ae234,
|
||||
0xfce94f,
|
||||
0x729fcf,
|
||||
0xad7fa8,
|
||||
0x34e2e2,
|
||||
0xFFFFFF,
|
||||
0x000000,
|
||||
0x00005f,
|
||||
0x000087,
|
||||
0x0000af,
|
||||
0x0000d7,
|
||||
0x0000ff,
|
||||
0x005f00,
|
||||
0x005f5f,
|
||||
0x005f87,
|
||||
0x005faf,
|
||||
0x005fd7,
|
||||
0x005fff,
|
||||
0x008700,
|
||||
0x00875f,
|
||||
0x008787,
|
||||
0x0087af,
|
||||
0x0087d7,
|
||||
0x0087ff,
|
||||
0x00af00,
|
||||
0x00af5f,
|
||||
0x00af87,
|
||||
0x00afaf,
|
||||
0x00afd7,
|
||||
0x00afff,
|
||||
0x00d700,
|
||||
0x00d75f,
|
||||
0x00d787,
|
||||
0x00d7af,
|
||||
0x00d7d7,
|
||||
0x00d7ff,
|
||||
0x00ff00,
|
||||
0x00ff5f,
|
||||
0x00ff87,
|
||||
0x00ffaf,
|
||||
0x00ffd7,
|
||||
0x00ffff,
|
||||
0x5f0000,
|
||||
0x5f005f,
|
||||
0x5f0087,
|
||||
0x5f00af,
|
||||
0x5f00d7,
|
||||
0x5f00ff,
|
||||
0x5f5f00,
|
||||
0x5f5f5f,
|
||||
0x5f5f87,
|
||||
0x5f5faf,
|
||||
0x5f5fd7,
|
||||
0x5f5fff,
|
||||
0x5f8700,
|
||||
0x5f875f,
|
||||
0x5f8787,
|
||||
0x5f87af,
|
||||
0x5f87d7,
|
||||
0x5f87ff,
|
||||
0x5faf00,
|
||||
0x5faf5f,
|
||||
0x5faf87,
|
||||
0x5fafaf,
|
||||
0x5fafd7,
|
||||
0x5fafff,
|
||||
0x5fd700,
|
||||
0x5fd75f,
|
||||
0x5fd787,
|
||||
0x5fd7af,
|
||||
0x5fd7d7,
|
||||
0x5fd7ff,
|
||||
0x5fff00,
|
||||
0x5fff5f,
|
||||
0x5fff87,
|
||||
0x5fffaf,
|
||||
0x5fffd7,
|
||||
0x5fffff,
|
||||
0x870000,
|
||||
0x87005f,
|
||||
0x870087,
|
||||
0x8700af,
|
||||
0x8700d7,
|
||||
0x8700ff,
|
||||
0x875f00,
|
||||
0x875f5f,
|
||||
0x875f87,
|
||||
0x875faf,
|
||||
0x875fd7,
|
||||
0x875fff,
|
||||
0x878700,
|
||||
0x87875f,
|
||||
0x878787,
|
||||
0x8787af,
|
||||
0x8787d7,
|
||||
0x8787ff,
|
||||
0x87af00,
|
||||
0x87af5f,
|
||||
0x87af87,
|
||||
0x87afaf,
|
||||
0x87afd7,
|
||||
0x87afff,
|
||||
0x87d700,
|
||||
0x87d75f,
|
||||
0x87d787,
|
||||
0x87d7af,
|
||||
0x87d7d7,
|
||||
0x87d7ff,
|
||||
0x87ff00,
|
||||
0x87ff5f,
|
||||
0x87ff87,
|
||||
0x87ffaf,
|
||||
0x87ffd7,
|
||||
0x87ffff,
|
||||
0xaf0000,
|
||||
0xaf005f,
|
||||
0xaf0087,
|
||||
0xaf00af,
|
||||
0xaf00d7,
|
||||
0xaf00ff,
|
||||
0xaf5f00,
|
||||
0xaf5f5f,
|
||||
0xaf5f87,
|
||||
0xaf5faf,
|
||||
0xaf5fd7,
|
||||
0xaf5fff,
|
||||
0xaf8700,
|
||||
0xaf875f,
|
||||
0xaf8787,
|
||||
0xaf87af,
|
||||
0xaf87d7,
|
||||
0xaf87ff,
|
||||
0xafaf00,
|
||||
0xafaf5f,
|
||||
0xafaf87,
|
||||
0xafafaf,
|
||||
0xafafd7,
|
||||
0xafafff,
|
||||
0xafd700,
|
||||
0xafd75f,
|
||||
0xafd787,
|
||||
0xafd7af,
|
||||
0xafd7d7,
|
||||
0xafd7ff,
|
||||
0xafff00,
|
||||
0xafff5f,
|
||||
0xafff87,
|
||||
0xafffaf,
|
||||
0xafffd7,
|
||||
0xafffff,
|
||||
0xd70000,
|
||||
0xd7005f,
|
||||
0xd70087,
|
||||
0xd700af,
|
||||
0xd700d7,
|
||||
0xd700ff,
|
||||
0xd75f00,
|
||||
0xd75f5f,
|
||||
0xd75f87,
|
||||
0xd75faf,
|
||||
0xd75fd7,
|
||||
0xd75fff,
|
||||
0xd78700,
|
||||
0xd7875f,
|
||||
0xd78787,
|
||||
0xd787af,
|
||||
0xd787d7,
|
||||
0xd787ff,
|
||||
0xd7af00,
|
||||
0xd7af5f,
|
||||
0xd7af87,
|
||||
0xd7afaf,
|
||||
0xd7afd7,
|
||||
0xd7afff,
|
||||
0xd7d700,
|
||||
0xd7d75f,
|
||||
0xd7d787,
|
||||
0xd7d7af,
|
||||
0xd7d7d7,
|
||||
0xd7d7ff,
|
||||
0xd7ff00,
|
||||
0xd7ff5f,
|
||||
0xd7ff87,
|
||||
0xd7ffaf,
|
||||
0xd7ffd7,
|
||||
0xd7ffff,
|
||||
0xff0000,
|
||||
0xff005f,
|
||||
0xff0087,
|
||||
0xff00af,
|
||||
0xff00d7,
|
||||
0xff00ff,
|
||||
0xff5f00,
|
||||
0xff5f5f,
|
||||
0xff5f87,
|
||||
0xff5faf,
|
||||
0xff5fd7,
|
||||
0xff5fff,
|
||||
0xff8700,
|
||||
0xff875f,
|
||||
0xff8787,
|
||||
0xff87af,
|
||||
0xff87d7,
|
||||
0xff87ff,
|
||||
0xffaf00,
|
||||
0xffaf5f,
|
||||
0xffaf87,
|
||||
0xffafaf,
|
||||
0xffafd7,
|
||||
0xffafff,
|
||||
0xffd700,
|
||||
0xffd75f,
|
||||
0xffd787,
|
||||
0xffd7af,
|
||||
0xffd7d7,
|
||||
0xffd7ff,
|
||||
0xffff00,
|
||||
0xffff5f,
|
||||
0xffff87,
|
||||
0xffffaf,
|
||||
0xffffd7,
|
||||
0xffffff,
|
||||
0x080808,
|
||||
0x121212,
|
||||
0x1c1c1c,
|
||||
0x262626,
|
||||
0x303030,
|
||||
0x3a3a3a,
|
||||
0x444444,
|
||||
0x4e4e4e,
|
||||
0x585858,
|
||||
0x626262,
|
||||
0x6c6c6c,
|
||||
0x767676,
|
||||
0x808080,
|
||||
0x8a8a8a,
|
||||
0x949494,
|
||||
0x9e9e9e,
|
||||
0xa8a8a8,
|
||||
0xb2b2b2,
|
||||
0xbcbcbc,
|
||||
0xc6c6c6,
|
||||
0xd0d0d0,
|
||||
0xdadada,
|
||||
0xe4e4e4,
|
||||
0xeeeeee,
|
||||
};
|
||||
155
Applications/Terminal/main.cpp
Normal file
155
Applications/Terminal/main.cpp
Normal file
|
|
@ -0,0 +1,155 @@
|
|||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <fcntl.h>
|
||||
#include <assert.h>
|
||||
#include <SharedGraphics/Font.h>
|
||||
#include <SharedGraphics/GraphicsBitmap.h>
|
||||
#include <SharedGraphics/Painter.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/select.h>
|
||||
#include <LibC/gui.h>
|
||||
#include "Terminal.h"
|
||||
#include <Kernel/KeyCode.h>
|
||||
|
||||
static void make_shell(int ptm_fd)
|
||||
{
|
||||
pid_t pid = fork();
|
||||
if (pid == 0) {
|
||||
const char* tty_name = ptsname(ptm_fd);
|
||||
if (!tty_name) {
|
||||
perror("ptsname");
|
||||
exit(1);
|
||||
}
|
||||
int rc = 0;
|
||||
close(ptm_fd);
|
||||
int pts_fd = open(tty_name, O_RDWR);
|
||||
rc = ioctl(0, TIOCNOTTY);
|
||||
if (rc < 0) {
|
||||
perror("ioctl(TIOCNOTTY)");
|
||||
exit(1);
|
||||
}
|
||||
close(0);
|
||||
close(1);
|
||||
close(2);
|
||||
dup2(pts_fd, 0);
|
||||
dup2(pts_fd, 1);
|
||||
dup2(pts_fd, 2);
|
||||
close(pts_fd);
|
||||
rc = ioctl(0, TIOCSCTTY);
|
||||
if (rc < 0) {
|
||||
perror("ioctl(TIOCSCTTY)");
|
||||
exit(1);
|
||||
}
|
||||
rc = execvp("/bin/sh", nullptr);
|
||||
if (rc < 0) {
|
||||
perror("execve");
|
||||
exit(1);
|
||||
}
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
}
|
||||
|
||||
static int max(int a, int b)
|
||||
{
|
||||
return a > b ? a : b;
|
||||
}
|
||||
|
||||
int main(int, char**)
|
||||
{
|
||||
int ptm_fd = open("/dev/ptmx", O_RDWR);
|
||||
if (ptm_fd < 0) {
|
||||
perror("open(ptmx)");
|
||||
return 1;
|
||||
}
|
||||
|
||||
make_shell(ptm_fd);
|
||||
|
||||
int event_fd = open("/dev/gui_events", O_RDONLY);
|
||||
if (event_fd < 0) {
|
||||
perror("open");
|
||||
return 1;
|
||||
}
|
||||
|
||||
Terminal terminal;
|
||||
terminal.create_window();
|
||||
terminal.update();
|
||||
|
||||
for (;;) {
|
||||
fd_set rfds;
|
||||
FD_ZERO(&rfds);
|
||||
FD_SET(ptm_fd, &rfds);
|
||||
FD_SET(event_fd, &rfds);
|
||||
int nfds = select(max(ptm_fd, event_fd) + 1, &rfds, nullptr, nullptr, nullptr);
|
||||
if (nfds < 0) {
|
||||
dbgprintf("Terminal(%u) select() failed :( errno=%d\n", getpid(), errno);
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (FD_ISSET(ptm_fd, &rfds)) {
|
||||
byte buffer[4096];
|
||||
ssize_t nread = read(ptm_fd, buffer, sizeof(buffer));
|
||||
if (nread < 0) {
|
||||
dbgprintf("Terminal read error: %s\n", strerror(errno));
|
||||
perror("read(ptm)");
|
||||
continue;
|
||||
}
|
||||
if (nread == 0) {
|
||||
dbgprintf("Terminal: EOF on master pty, closing.\n");
|
||||
break;
|
||||
}
|
||||
for (ssize_t i = 0; i < nread; ++i)
|
||||
terminal.on_char(buffer[i]);
|
||||
terminal.update();
|
||||
}
|
||||
|
||||
if (FD_ISSET(event_fd, &rfds)) {
|
||||
GUI_Event event;
|
||||
ssize_t nread = read(event_fd, &event, sizeof(event));
|
||||
if (nread < 0) {
|
||||
perror("read(event)");
|
||||
return 1;
|
||||
}
|
||||
assert(nread != 0);
|
||||
assert(nread == sizeof(event));
|
||||
|
||||
if (event.type == GUI_Event::Type::Paint) {
|
||||
terminal.paint();
|
||||
} else if (event.type == GUI_Event::Type::KeyDown) {
|
||||
char ch = event.key.character;
|
||||
if (event.key.ctrl) {
|
||||
if (ch >= 'a' && ch <= 'z') {
|
||||
ch = ch - 'a' + 1;
|
||||
} else if (ch == '\\') {
|
||||
ch = 0x1c;
|
||||
}
|
||||
}
|
||||
switch (event.key.key) {
|
||||
case KeyCode::Key_Up:
|
||||
write(ptm_fd, "\033[A", 3);
|
||||
break;
|
||||
case KeyCode::Key_Down:
|
||||
write(ptm_fd, "\033[B", 3);
|
||||
break;
|
||||
case KeyCode::Key_Right:
|
||||
write(ptm_fd, "\033[C", 3);
|
||||
break;
|
||||
case KeyCode::Key_Left:
|
||||
write(ptm_fd, "\033[D", 3);
|
||||
break;
|
||||
default:
|
||||
write(ptm_fd, &ch, 1);
|
||||
}
|
||||
} else if (event.type == GUI_Event::Type::WindowActivated) {
|
||||
terminal.set_in_active_window(true);
|
||||
} else if (event.type == GUI_Event::Type::WindowDeactivated) {
|
||||
terminal.set_in_active_window(false);
|
||||
} else if (event.type == GUI_Event::Type::WindowCloseRequest) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue