2182 lines
63 KiB
C
2182 lines
63 KiB
C
/* vim: tabstop=4 shiftwidth=4 noexpandtab
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* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2013-2018 K. Lange
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*
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* Terminal Emulator
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*
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* Graphical terminal emulator.
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*
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* Provides a number of features:
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* - Windowed and full screen modes
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* - Antialiased fonts
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* - Built-in fallback bitmap font
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* - ANSI escape support
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* - 256 colors
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <time.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <errno.h>
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#include <pty.h>
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#include <wchar.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/fswait.h>
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#define TRACE_APP_NAME "terminal"
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#include <toaru/trace.h>
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#include <toaru/utf8decode.h>
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#include <toaru/yutani.h>
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#include <toaru/decorations.h>
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#include <toaru/graphics.h>
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#include <toaru/kbd.h>
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#include <toaru/termemu.h>
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#include <toaru/spinlock.h>
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#include <toaru/list.h>
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#include <toaru/menu.h>
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#include <toaru/sdf.h>
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/* 16- and 256-color palette */
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#include "terminal-palette.h"
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/* Bitmap font */
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#include "terminal-font.h"
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/* Show help text */
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static void usage(char * argv[]) {
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printf(
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"Terminal Emulator\n"
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"\n"
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"usage: %s [-Fbxn] [-s SCALE] [-g WIDTHxHEIGHT] [COMMAND...]\n"
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"\n"
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" -F --fullscreen \033[3mRun in fullscreen (background) mode.\033[0m\n"
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" -b --bitmap \033[3mUse the integrated bitmap font.\033[0m\n"
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" -s --scale \033[3mScale the font in SDF mode by a given amount.\033[0m\n"
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" -h --help \033[3mShow this help message.\033[0m\n"
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" -x --grid \033[3mMake resizes round to nearest match for character cell size.\033[0m\n"
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" -n --no-frame \033[3mDisable decorations.\033[0m\n"
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" -g --geometry \033[3mSet requested terminal size WIDTHxHEIGHT\033[0m\n"
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"\n"
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" This terminal emulator provides basic support for VT220 escapes and\n"
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" XTerm extensions, including 256 color support and font effects.\n",
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argv[0]);
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}
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/* master and slave pty descriptors */
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static int fd_master, fd_slave;
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static FILE * terminal;
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static pid_t child_pid = 0;
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static int scale_fonts = 0; /* Whether fonts should be scaled */
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static float font_scaling = 1.0; /* How much they should be scaled by */
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static float font_gamma = 1.7; /* Gamma to use for SDF library */
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static uint16_t term_width = 0; /* Width of the terminal (in cells) */
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static uint16_t term_height = 0; /* Height of the terminal (in cells) */
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static uint16_t font_size = 16; /* Font size according to SDF library */
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static uint16_t char_width = 9; /* Width of a cell in pixels */
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static uint16_t char_height = 17; /* Height of a cell in pixels */
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static int csr_x = 0; /* Cursor X */
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static int csr_y = 0; /* Cursor Y */
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static uint32_t current_fg = 7; /* Current foreground color */
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static uint32_t current_bg = 0; /* Current background color */
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static term_cell_t * term_buffer = NULL; /* The terminal cell buffer */
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static term_state_t * ansi_state = NULL; /* ANSI parser library state */
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static bool cursor_on = 1; /* Whether or not the cursor should be rendered */
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static bool _fullscreen = 0; /* Whether or not we are running in fullscreen mode (GUI only) */
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static bool _no_frame = 0; /* Whether to disable decorations or not */
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static bool _use_sdf = 1; /* Whether or not to use SDF text rendering */
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static bool _hold_out = 0; /* state indicator on last cell ignore \n */
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static bool _free_size = 1; /* Disable rounding when resized */
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static list_t * images_list = NULL;
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static int menu_bar_height = 24;
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/* Text selection information */
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static int selection = 0;
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static int selection_start_x = 0;
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static int selection_start_y = 0;
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static int selection_end_x = 0;
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static int selection_end_y = 0;
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static char * selection_text = NULL;
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static int _selection_count = 0;
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static int _selection_i = 0;
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/* Mouse state */
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static int last_mouse_x = -1;
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static int last_mouse_y = -1;
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static int button_state = 0;
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static unsigned long long mouse_ticks = 0;
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static yutani_window_t * window = NULL; /* GUI window */
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static yutani_t * yctx = NULL;
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/* Window flip bounds */
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static int32_t l_x = INT32_MAX;
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static int32_t l_y = INT32_MAX;
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static int32_t r_x = -1;
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static int32_t r_y = -1;
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static uint32_t window_width = 640;
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static uint32_t window_height = 480;
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#define TERMINAL_TITLE_SIZE 512
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static char terminal_title[TERMINAL_TITLE_SIZE];
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static size_t terminal_title_length = 0;
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static gfx_context_t * ctx;
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static struct MenuList * menu_right_click = NULL;
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static void render_decors(void);
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static void term_clear();
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static void reinit();
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static void term_redraw_cursor();
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struct scrollback_row {
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unsigned short width;
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term_cell_t cells[];
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};
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#define MAX_SCROLLBACK 10240
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static list_t * scrollback_list = NULL;
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static int scrollback_offset = 0;
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/* Menu bar entries */
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struct menu_bar terminal_menu_bar = {0};
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struct menu_bar_entries terminal_menu_entries[] = {
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{"File", "file"},
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{"Edit", "edit"},
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{"View", "view"},
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{"Help", "help"},
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{NULL, NULL},
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};
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/* Trigger to exit the terminal when the child process dies or
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* we otherwise receive an exit signal */
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static volatile int exit_application = 0;
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static void cell_redraw(uint16_t x, uint16_t y);
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static void cell_redraw_inverted(uint16_t x, uint16_t y);
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static uint64_t get_ticks(void) {
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struct timeval now;
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gettimeofday(&now, NULL);
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return (uint64_t)now.tv_sec * 1000000LL + (uint64_t)now.tv_usec;
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}
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static void display_flip(void) {
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if (l_x != INT32_MAX && l_y != INT32_MAX) {
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flip(ctx);
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yutani_flip_region(yctx, window, l_x, l_y, r_x - l_x, r_y - l_y);
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l_x = INT32_MAX;
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l_y = INT32_MAX;
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r_x = -1;
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r_y = -1;
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}
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}
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/* Returns the lower of two shorts */
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static int32_t min(int32_t a, int32_t b) {
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return (a < b) ? a : b;
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}
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/* Returns the higher of two shorts */
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static int32_t max(int32_t a, int32_t b) {
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return (a > b) ? a : b;
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}
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/*
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* Convert codepoint to UTF-8
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*
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* Returns length of byte sequence written.
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*/
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static int to_eight(uint32_t codepoint, char * out) {
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memset(out, 0x00, 7);
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if (codepoint < 0x0080) {
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out[0] = (char)codepoint;
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} else if (codepoint < 0x0800) {
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out[0] = 0xC0 | (codepoint >> 6);
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out[1] = 0x80 | (codepoint & 0x3F);
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} else if (codepoint < 0x10000) {
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out[0] = 0xE0 | (codepoint >> 12);
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out[1] = 0x80 | ((codepoint >> 6) & 0x3F);
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out[2] = 0x80 | (codepoint & 0x3F);
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} else if (codepoint < 0x200000) {
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out[0] = 0xF0 | (codepoint >> 18);
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out[1] = 0x80 | ((codepoint >> 12) & 0x3F);
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out[2] = 0x80 | ((codepoint >> 6) & 0x3F);
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out[3] = 0x80 | ((codepoint) & 0x3F);
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} else if (codepoint < 0x4000000) {
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out[0] = 0xF8 | (codepoint >> 24);
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out[1] = 0x80 | (codepoint >> 18);
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out[2] = 0x80 | ((codepoint >> 12) & 0x3F);
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out[3] = 0x80 | ((codepoint >> 6) & 0x3F);
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out[4] = 0x80 | ((codepoint) & 0x3F);
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} else {
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out[0] = 0xF8 | (codepoint >> 30);
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out[1] = 0x80 | ((codepoint >> 24) & 0x3F);
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out[2] = 0x80 | ((codepoint >> 18) & 0x3F);
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out[3] = 0x80 | ((codepoint >> 12) & 0x3F);
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out[4] = 0x80 | ((codepoint >> 6) & 0x3F);
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out[5] = 0x80 | ((codepoint) & 0x3F);
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}
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return strlen(out);
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}
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/* Set the terminal title string */
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static void set_title(char * c) {
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int len = min(TERMINAL_TITLE_SIZE, strlen(c)+1);
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memcpy(terminal_title, c, len);
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terminal_title[len-1] = '\0';
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terminal_title_length = len - 1;
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render_decors();
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}
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/* Call a function for each selected cell */
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static void iterate_selection(void (*func)(uint16_t x, uint16_t y)) {
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if (selection_end_y < selection_start_y) {
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for (int x = selection_end_x; x < term_width; ++x) {
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func(x, selection_end_y);
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}
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for (int y = selection_end_y + 1; y < selection_start_y; ++y) {
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for (int x = 0; x < term_width; ++x) {
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func(x, y);
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}
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}
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for (int x = 0; x <= selection_start_x; ++x) {
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func(x, selection_start_y);
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}
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} else if (selection_start_y == selection_end_y) {
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if (selection_start_x > selection_end_x) {
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for (int x = selection_end_x; x <= selection_start_x; ++x) {
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func(x, selection_start_y);
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}
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} else {
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for (int x = selection_start_x; x <= selection_end_x; ++x) {
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func(x, selection_start_y);
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}
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}
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} else {
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for (int x = selection_start_x; x < term_width; ++x) {
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func(x, selection_start_y);
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}
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for (int y = selection_start_y + 1; y < selection_end_y; ++y) {
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for (int x = 0; x < term_width; ++x) {
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func(x, y);
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}
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}
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for (int x = 0; x <= selection_end_x; ++x) {
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func(x, selection_end_y);
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}
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}
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}
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/* Redraw original cells in selected text */
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static void unredraw_selection(void) {
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iterate_selection(cell_redraw);
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}
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/* Redraw the selection with the selection hint (inversion) */
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static void redraw_selection(void) {
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iterate_selection(cell_redraw_inverted);
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}
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/* Figure out how long the UTF-8 selection string should be. */
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static void count_selection(uint16_t x, uint16_t y) {
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term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (y * term_width + x) * sizeof(term_cell_t));
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if (!(cell->flags & ANSI_EXT_IMG)) {
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if (((uint32_t *)cell)[0] != 0x00000000) {
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char tmp[7];
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_selection_count += to_eight(cell->c, tmp);
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}
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}
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if (x == term_width - 1) {
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_selection_count++;
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}
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}
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/* Fill the selection text buffer with the selected text. */
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void write_selection(uint16_t x, uint16_t y) {
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term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (y * term_width + x) * sizeof(term_cell_t));
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if (!(cell->flags & ANSI_EXT_IMG)) {
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if (((uint32_t *)cell)[0] != 0x00000000) {
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char tmp[7];
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int count = to_eight(cell->c, tmp);
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for (int i = 0; i < count; ++i) {
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selection_text[_selection_i] = tmp[i];
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_selection_i++;
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}
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}
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}
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if (x == term_width - 1) {
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selection_text[_selection_i] = '\n';;
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_selection_i++;
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}
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}
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/* Copy the selection text to the clipboard. */
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static char * copy_selection(void) {
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_selection_count = 0;
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iterate_selection(count_selection);
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fprintf(stderr, "Selection length is %d\n", _selection_count);
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if (selection_text) {
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free(selection_text);
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}
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if (_selection_count == 0) {
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return NULL;
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}
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selection_text = malloc(_selection_count + 1);
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selection_text[_selection_count] = '\0';
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_selection_i = 0;
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iterate_selection(write_selection);
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if (selection_text[_selection_count-1] == '\n') {
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/* Don't end on a line feed */
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selection_text[_selection_count-1] = '\0';
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}
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yutani_set_clipboard(yctx, selection_text);
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return selection_text;
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}
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/* Stuffs a string into the stdin of the terminal's child process
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* Useful for things like the ANSI DSR command. */
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static void input_buffer_stuff(char * str) {
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size_t s = strlen(str) + 1;
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write(fd_master, str, s);
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}
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/* Redraw the decorations */
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static void render_decors(void) {
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/* Don't draw decorations or bother advertising the window if in "fullscreen mode" */
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if (_fullscreen) return;
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if (!_no_frame) {
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/* Draw the decorations */
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render_decorations(window, ctx, terminal_title_length ? terminal_title : "Terminal");
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/* Update menu bar position and size */
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terminal_menu_bar.x = decor_left_width;
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terminal_menu_bar.y = decor_top_height;
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terminal_menu_bar.width = window_width;
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terminal_menu_bar.window = window;
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/* Redraw the menu bar */
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menu_bar_render(&terminal_menu_bar, ctx);
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}
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/* Advertise the window icon to the panel. */
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yutani_window_advertise_icon(yctx, window, terminal_title_length ? terminal_title : "Terminal", "utilities-terminal");
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|
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/*
|
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* Flip the whole window
|
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* We do this regardless of whether we drew decorations to catch
|
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* a case where decorations are toggled.
|
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*/
|
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l_x = 0; l_y = 0;
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r_x = window->width;
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r_y = window->height;
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display_flip();
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}
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|
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/* Set a pixel in the terminal cell area */
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static inline void term_set_point(uint16_t x, uint16_t y, uint32_t color ) {
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if (_fullscreen) {
|
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/* In full screen mode, pre-blend the color over black. */
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color = alpha_blend_rgba(premultiply(rgba(0,0,0,0xFF)), color);
|
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}
|
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if (!_no_frame) {
|
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GFX(ctx, (x+decor_left_width),(y+decor_top_height+menu_bar_height)) = color;
|
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} else {
|
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GFX(ctx, x,y) = color;
|
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}
|
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}
|
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|
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/* Draw a partial block character. */
|
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static void draw_semi_block(int c, int x, int y, uint32_t fg, uint32_t bg) {
|
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int height;
|
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bg = premultiply(bg);
|
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fg = premultiply(fg);
|
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if (c == 0x2580) {
|
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uint32_t t = bg;
|
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bg = fg;
|
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fg = t;
|
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c = 0x2584;
|
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for (uint8_t i = 0; i < char_height; ++i) {
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for (uint8_t j = 0; j < char_width; ++j) {
|
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term_set_point(x+j,y+i,bg);
|
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}
|
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}
|
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}
|
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c -= 0x2580;
|
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height = char_height - ((c * char_height) / 8);
|
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for (uint8_t i = height; i < char_height; ++i) {
|
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for (uint8_t j = 0; j < char_width; ++j) {
|
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term_set_point(x+j, y+i,fg);
|
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}
|
||
}
|
||
}
|
||
|
||
/* Convert unicode codepoint to fallback codepage codepoint */
|
||
static uint32_t ununicode(uint32_t c) {
|
||
switch (c) {
|
||
case L'☺': return 1;
|
||
case L'☻': return 2;
|
||
case L'♥': return 3;
|
||
case L'♦': return 4;
|
||
case L'♣': return 5;
|
||
case L'♠': return 6;
|
||
case L'•': return 7;
|
||
case L'◘': return 8;
|
||
case L'○': return 9;
|
||
case L'◙': return 10;
|
||
case L'♂': return 11;
|
||
case L'♀': return 12;
|
||
case L'♪': return 13;
|
||
case L'♫': return 14;
|
||
case L'☼': return 15;
|
||
case L'►': return 16;
|
||
case L'◄': return 17;
|
||
case L'↕': return 18;
|
||
case L'‼': return 19;
|
||
case L'¶': return 20;
|
||
case L'§': return 21;
|
||
case L'▬': return 22;
|
||
case L'↨': return 23;
|
||
case L'↑': return 24;
|
||
case L'↓': return 25;
|
||
case L'→': return 26;
|
||
case L'←': return 27;
|
||
case L'∟': return 28;
|
||
case L'↔': return 29;
|
||
case L'▲': return 30;
|
||
case L'▼': return 31;
|
||
/* ASCII text */
|
||
case L'⌂': return 127;
|
||
case L'Ç': return 128;
|
||
case L'ü': return 129;
|
||
case L'é': return 130;
|
||
case L'â': return 131;
|
||
case L'ä': return 132;
|
||
case L'à': return 133;
|
||
case L'å': return 134;
|
||
case L'ç': return 135;
|
||
case L'ê': return 136;
|
||
case L'ë': return 137;
|
||
case L'è': return 138;
|
||
case L'ï': return 139;
|
||
case L'î': return 140;
|
||
case L'ì': return 141;
|
||
case L'Ä': return 142;
|
||
case L'Å': return 143;
|
||
case L'É': return 144;
|
||
case L'æ': return 145;
|
||
case L'Æ': return 146;
|
||
case L'ô': return 147;
|
||
case L'ö': return 148;
|
||
case L'ò': return 149;
|
||
case L'û': return 150;
|
||
case L'ù': return 151;
|
||
case L'ÿ': return 152;
|
||
case L'Ö': return 153;
|
||
case L'Ü': return 154;
|
||
case L'¢': return 155;
|
||
case L'£': return 156;
|
||
case L'¥': return 157;
|
||
case L'₧': return 158;
|
||
case L'ƒ': return 159;
|
||
case L'á': return 160;
|
||
case L'í': return 161;
|
||
case L'ó': return 162;
|
||
case L'ú': return 163;
|
||
case L'ñ': return 164;
|
||
case L'Ñ': return 165;
|
||
case L'ª': return 166;
|
||
case L'º': return 167;
|
||
case L'¿': return 168;
|
||
case L'⌐': return 169;
|
||
case L'¬': return 170;
|
||
case L'½': return 171;
|
||
case L'¼': return 172;
|
||
case L'¡': return 173;
|
||
case L'«': return 174;
|
||
case L'»': return 175;
|
||
case L'░': return 176;
|
||
case L'▒': return 177;
|
||
case L'▓': return 178;
|
||
case L'│': return 179;
|
||
case L'┤': return 180;
|
||
case L'╡': return 181;
|
||
case L'╢': return 182;
|
||
case L'╖': return 183;
|
||
case L'╕': return 184;
|
||
case L'╣': return 185;
|
||
case L'║': return 186;
|
||
case L'╗': return 187;
|
||
case L'╝': return 188;
|
||
case L'╜': return 189;
|
||
case L'╛': return 190;
|
||
case L'┐': return 191;
|
||
case L'└': return 192;
|
||
case L'┴': return 193;
|
||
case L'┬': return 194;
|
||
case L'├': return 195;
|
||
case L'─': return 196;
|
||
case L'┼': return 197;
|
||
case L'╞': return 198;
|
||
case L'╟': return 199;
|
||
case L'╚': return 200;
|
||
case L'╔': return 201;
|
||
case L'╩': return 202;
|
||
case L'╦': return 203;
|
||
case L'╠': return 204;
|
||
case L'═': return 205;
|
||
case L'╬': return 206;
|
||
case L'╧': return 207;
|
||
case L'╨': return 208;
|
||
case L'╤': return 209;
|
||
case L'╥': return 210;
|
||
case L'╙': return 211;
|
||
case L'╘': return 212;
|
||
case L'╒': return 213;
|
||
case L'╓': return 214;
|
||
case L'╫': return 215;
|
||
case L'╪': return 216;
|
||
case L'┘': return 217;
|
||
case L'┌': return 218;
|
||
case L'█': return 219;
|
||
case L'▄': return 220;
|
||
case L'▌': return 221;
|
||
case L'▐': return 222;
|
||
case L'▀': return 223;
|
||
case L'α': return 224;
|
||
case L'ß': return 225;
|
||
case L'Γ': return 226;
|
||
case L'π': return 227;
|
||
case L'Σ': return 228;
|
||
case L'σ': return 229;
|
||
case L'µ': return 230;
|
||
case L'τ': return 231;
|
||
case L'Φ': return 232;
|
||
case L'Θ': return 233;
|
||
case L'Ω': return 234;
|
||
case L'δ': return 235;
|
||
case L'∞': return 236;
|
||
case L'φ': return 237;
|
||
case L'ε': return 238;
|
||
case L'∩': return 239;
|
||
case L'≡': return 240;
|
||
case L'±': return 241;
|
||
case L'≥': return 242;
|
||
case L'≤': return 243;
|
||
case L'⌠': return 244;
|
||
case L'⌡': return 245;
|
||
case L'÷': return 246;
|
||
case L'≈': return 247;
|
||
case L'°': return 248;
|
||
case L'∙': return 249;
|
||
case L'·': return 250;
|
||
case L'√': return 251;
|
||
case L'ⁿ': return 252;
|
||
case L'²': return 253;
|
||
case L'■': return 254;
|
||
}
|
||
return 4;
|
||
}
|
||
|
||
/* Write a character to the window. */
|
||
static void term_write_char(uint32_t val, uint16_t x, uint16_t y, uint32_t fg, uint32_t bg, uint8_t flags) {
|
||
uint32_t _fg, _bg;
|
||
|
||
/* Select foreground color from palette. */
|
||
if (fg < PALETTE_COLORS) {
|
||
_fg = term_colors[fg];
|
||
_fg |= 0xFF << 24;
|
||
} else {
|
||
_fg = fg;
|
||
}
|
||
|
||
/* Select background color from aplette. */
|
||
if (bg < PALETTE_COLORS) {
|
||
_bg = term_colors[bg];
|
||
if (flags & ANSI_SPECBG) {
|
||
_bg |= 0xFF << 24;
|
||
} else {
|
||
_bg |= TERM_DEFAULT_OPAC << 24;
|
||
}
|
||
} else {
|
||
_bg = bg;
|
||
}
|
||
|
||
/* Draw block characters */
|
||
if (val >= 0x2580 && val <= 0x2588) {
|
||
for (uint8_t i = 0; i < char_height; ++i) {
|
||
for (uint8_t j = 0; j < char_width; ++j) {
|
||
term_set_point(x+j,y+i,premultiply(_bg));
|
||
}
|
||
}
|
||
draw_semi_block(val, x, y, _fg, _bg);
|
||
goto _extra_stuff;
|
||
}
|
||
|
||
/* TODO: This is where a Unicode-capable rendering engine
|
||
* such as freetype should be patched in. The older
|
||
* version of this terminal included in mainline
|
||
* ToaruOS included freetype support.
|
||
*/
|
||
|
||
/* Convert other unicode characters. */
|
||
if (val > 128) {
|
||
val = ununicode(val);
|
||
}
|
||
|
||
/* Draw glyphs */
|
||
if (_use_sdf) {
|
||
/* Draw using the Toaru SDF rendering library */
|
||
char tmp[2] = {val,0};
|
||
for (uint8_t i = 0; i < char_height; ++i) {
|
||
for (uint8_t j = 0; j < char_width; ++j) {
|
||
term_set_point(x+j,y+i,_bg);
|
||
}
|
||
}
|
||
if (val != 0 && val != ' ' && _fg != _bg) {
|
||
int _font = SDF_FONT_MONO;
|
||
if (flags & ANSI_BOLD && flags & ANSI_ITALIC) {
|
||
_font = SDF_FONT_MONO_BOLD_OBLIQUE;
|
||
} else if (flags & ANSI_BOLD) {
|
||
_font = SDF_FONT_MONO_BOLD;
|
||
} else if (flags & ANSI_ITALIC) {
|
||
_font = SDF_FONT_MONO_OBLIQUE;
|
||
}
|
||
if (_no_frame) {
|
||
draw_sdf_string_gamma(ctx, x-1, y, tmp, font_size, _fg, _font, font_gamma);
|
||
} else {
|
||
draw_sdf_string_gamma(ctx, x+decor_left_width-1, y+decor_top_height+menu_bar_height, tmp, font_size, _fg, _font, font_gamma);
|
||
}
|
||
}
|
||
} else {
|
||
/* Draw using the bitmap font. */
|
||
uint16_t * c = large_font[val];
|
||
for (uint8_t i = 0; i < char_height; ++i) {
|
||
for (uint8_t j = 0; j < char_width; ++j) {
|
||
if (c[i] & (1 << (15-j))) {
|
||
term_set_point(x+j,y+i,_fg);
|
||
} else {
|
||
term_set_point(x+j,y+i,_bg);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Draw additional text elements, like underlines and cross-outs. */
|
||
_extra_stuff:
|
||
if (flags & ANSI_UNDERLINE) {
|
||
for (uint8_t i = 0; i < char_width; ++i) {
|
||
term_set_point(x + i, y + char_height - 1, _fg);
|
||
}
|
||
}
|
||
if (flags & ANSI_CROSS) {
|
||
for (uint8_t i = 0; i < char_width; ++i) {
|
||
term_set_point(x + i, y + char_height - 7, _fg);
|
||
}
|
||
}
|
||
if (flags & ANSI_BORDER) {
|
||
for (uint8_t i = 0; i < char_height; ++i) {
|
||
term_set_point(x , y + i, _fg);
|
||
term_set_point(x + (char_width - 1), y + i, _fg);
|
||
}
|
||
for (uint8_t j = 0; j < char_width; ++j) {
|
||
term_set_point(x + j, y, _fg);
|
||
term_set_point(x + j, y + (char_height - 1), _fg);
|
||
}
|
||
}
|
||
|
||
/* Calculate the bounds of the updated region of the window */
|
||
if (!_no_frame) {
|
||
l_x = min(l_x, decor_left_width + x);
|
||
l_y = min(l_y, decor_top_height+menu_bar_height + y);
|
||
|
||
if (flags & ANSI_WIDE) {
|
||
r_x = max(r_x, decor_left_width + x + char_width * 2);
|
||
r_y = max(r_y, decor_top_height+menu_bar_height + y + char_height * 2);
|
||
} else {
|
||
r_x = max(r_x, decor_left_width + x + char_width);
|
||
r_y = max(r_y, decor_top_height+menu_bar_height + y + char_height);
|
||
}
|
||
} else {
|
||
l_x = min(l_x, x);
|
||
l_y = min(l_y, y);
|
||
|
||
if (flags & ANSI_WIDE) {
|
||
r_x = max(r_x, x + char_width * 2);
|
||
r_y = max(r_y, y + char_height * 2);
|
||
} else {
|
||
r_x = max(r_x, x + char_width);
|
||
r_y = max(r_y, y + char_height);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Set a terminal cell */
|
||
static void cell_set(uint16_t x, uint16_t y, uint32_t c, uint32_t fg, uint32_t bg, uint32_t flags) {
|
||
/* Avoid setting cells out of range. */
|
||
if (x >= term_width || y >= term_height) return;
|
||
|
||
/* Calculate the cell position in the terminal buffer */
|
||
term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (y * term_width + x) * sizeof(term_cell_t));
|
||
|
||
/* Set cell attributes */
|
||
cell->c = c;
|
||
cell->fg = fg;
|
||
cell->bg = bg;
|
||
cell->flags = flags;
|
||
}
|
||
|
||
/* Redraw an embedded image cell */
|
||
static void redraw_cell_image(uint16_t x, uint16_t y, term_cell_t * cell) {
|
||
/* Avoid setting cells out of range. */
|
||
if (x >= term_width || y >= term_height) return;
|
||
|
||
/* Draw the image data */
|
||
uint32_t * data = (uint32_t *)cell->fg;
|
||
for (uint32_t yy = 0; yy < char_height; ++yy) {
|
||
for (uint32_t xx = 0; xx < char_width; ++xx) {
|
||
term_set_point(x * char_width + xx, y * char_height + yy, *data);
|
||
data++;
|
||
}
|
||
}
|
||
|
||
/* Update bounds */
|
||
if (!_no_frame) {
|
||
l_x = min(l_x, decor_left_width + x * char_width);
|
||
l_y = min(l_y, decor_top_height+menu_bar_height + y * char_height);
|
||
r_x = max(r_x, decor_left_width + x * char_width + char_width);
|
||
r_y = max(r_y, decor_top_height+menu_bar_height + y * char_height + char_height);
|
||
} else {
|
||
l_x = min(l_x, x * char_width);
|
||
l_y = min(l_y, y * char_height);
|
||
r_x = max(r_x, x * char_width + char_width);
|
||
r_y = max(r_y, y * char_height + char_height);
|
||
}
|
||
}
|
||
|
||
/* Redraw a text cell normally. */
|
||
static void cell_redraw(uint16_t x, uint16_t y) {
|
||
/* Avoid cells out of range. */
|
||
if (x >= term_width || y >= term_height) return;
|
||
|
||
/* Calculate the cell position in the terminal buffer */
|
||
term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (y * term_width + x) * sizeof(term_cell_t));
|
||
|
||
/* If it's an image cell, redraw the image data. */
|
||
if (cell->flags & ANSI_EXT_IMG) {
|
||
redraw_cell_image(x,y,cell);
|
||
return;
|
||
}
|
||
|
||
/* Special case empty cells. */
|
||
if (((uint32_t *)cell)[0] == 0x00000000) {
|
||
term_write_char(' ', x * char_width, y * char_height, TERM_DEFAULT_FG, TERM_DEFAULT_BG, TERM_DEFAULT_FLAGS);
|
||
} else {
|
||
term_write_char(cell->c, x * char_width, y * char_height, cell->fg, cell->bg, cell->flags);
|
||
}
|
||
}
|
||
|
||
/* Redraw text cell inverted. */
|
||
static void cell_redraw_inverted(uint16_t x, uint16_t y) {
|
||
/* Avoid cells out of range. */
|
||
if (x >= term_width || y >= term_height) return;
|
||
|
||
/* Calculate the cell position in the terminal buffer */
|
||
term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (y * term_width + x) * sizeof(term_cell_t));
|
||
|
||
/* If it's an image cell, redraw the image data. */
|
||
if (cell->flags & ANSI_EXT_IMG) {
|
||
redraw_cell_image(x,y,cell);
|
||
return;
|
||
}
|
||
|
||
/* Special case empty cells. */
|
||
if (((uint32_t *)cell)[0] == 0x00000000) {
|
||
term_write_char(' ', x * char_width, y * char_height, TERM_DEFAULT_BG, TERM_DEFAULT_FG, TERM_DEFAULT_FLAGS | ANSI_SPECBG);
|
||
} else {
|
||
term_write_char(cell->c, x * char_width, y * char_height, cell->bg, cell->fg, cell->flags | ANSI_SPECBG);
|
||
}
|
||
}
|
||
|
||
/* Redraw text cell with a surrounding box (used by cursor) */
|
||
static void cell_redraw_box(uint16_t x, uint16_t y) {
|
||
/* Avoid cells out of range. */
|
||
if (x >= term_width || y >= term_height) return;
|
||
|
||
/* Calculate the cell position in the terminal buffer */
|
||
term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (y * term_width + x) * sizeof(term_cell_t));
|
||
|
||
/* If it's an image cell, redraw the image data. */
|
||
if (cell->flags & ANSI_EXT_IMG) {
|
||
redraw_cell_image(x,y,cell);
|
||
return;
|
||
}
|
||
|
||
/* Special case empty cells. */
|
||
if (((uint32_t *)cell)[0] == 0x00000000) {
|
||
term_write_char(' ', x * char_width, y * char_height, TERM_DEFAULT_FG, TERM_DEFAULT_BG, TERM_DEFAULT_FLAGS | ANSI_BORDER);
|
||
} else {
|
||
term_write_char(cell->c, x * char_width, y * char_height, cell->fg, cell->bg, cell->flags | ANSI_BORDER);
|
||
}
|
||
}
|
||
|
||
/* Draw the cursor cell */
|
||
static void render_cursor() {
|
||
if (!window->focused) {
|
||
/* An unfocused terminal should draw an unfilled box. */
|
||
cell_redraw_box(csr_x, csr_y);
|
||
} else {
|
||
/* A focused terminal draws a solid box. */
|
||
cell_redraw_inverted(csr_x, csr_y);
|
||
}
|
||
}
|
||
|
||
/* A soft request to draw the cursor. */
|
||
static void draw_cursor() {
|
||
if (!cursor_on) return;
|
||
mouse_ticks = get_ticks();
|
||
render_cursor();
|
||
}
|
||
|
||
/* Timer callback to flip (flash) the cursor */
|
||
static void maybe_flip_cursor(void) {
|
||
static uint8_t cursor_flipped = 0;
|
||
uint64_t ticks = get_ticks();
|
||
if (ticks > mouse_ticks + 600000LL) {
|
||
mouse_ticks = ticks;
|
||
if (scrollback_offset != 0) {
|
||
return; /* Don't flip cursor while drawing scrollback */
|
||
}
|
||
if (window->focused && cursor_flipped) {
|
||
cell_redraw(csr_x, csr_y);
|
||
} else {
|
||
render_cursor();
|
||
}
|
||
display_flip();
|
||
cursor_flipped = 1 - cursor_flipped;
|
||
}
|
||
}
|
||
|
||
/* Draw all cells. Duplicates code from cell_redraw to avoid unecessary bounds checks. */
|
||
static void term_redraw_all() {
|
||
for (int i = 0; i < term_height; i++) {
|
||
for (int x = 0; x < term_width; ++x) {
|
||
/* Calculate the cell position in the terminal buffer */
|
||
term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (i * term_width + x) * sizeof(term_cell_t));
|
||
/* If it's an image cell, redraw the image data. */
|
||
if (cell->flags & ANSI_EXT_IMG) {
|
||
redraw_cell_image(x,i,cell);
|
||
continue;
|
||
}
|
||
|
||
/* Special case empty cells. */
|
||
if (((uint32_t *)cell)[0] == 0x00000000) {
|
||
term_write_char(' ', x * char_width, i * char_height, TERM_DEFAULT_FG, TERM_DEFAULT_BG, TERM_DEFAULT_FLAGS);
|
||
} else {
|
||
term_write_char(cell->c, x * char_width, i * char_height, cell->fg, cell->bg, cell->flags);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Remove no-longer-visible image cell data. */
|
||
static void flush_unused_images(void) {
|
||
list_t * tmp = list_create();
|
||
for (int y = 0; y < term_height; ++y) {
|
||
for (int x = 0; x < term_width; ++x) {
|
||
term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (y * term_width + x) * sizeof(term_cell_t));
|
||
if (cell->flags & ANSI_EXT_IMG) {
|
||
list_insert(tmp, (void *)cell->fg);
|
||
}
|
||
}
|
||
}
|
||
foreach(node, images_list) {
|
||
if (!list_find(tmp, node->value)) {
|
||
free(node->value);
|
||
}
|
||
}
|
||
|
||
list_free(images_list);
|
||
images_list = tmp;
|
||
}
|
||
|
||
/* Scroll the terminal up or down. */
|
||
static void term_scroll(int how_much) {
|
||
|
||
/* A large scroll request should just clear the screen. */
|
||
if (how_much >= term_height || -how_much >= term_height) {
|
||
term_clear();
|
||
return;
|
||
}
|
||
|
||
/* A request to scroll 0... is a request not to scroll. */
|
||
if (how_much == 0) {
|
||
return;
|
||
}
|
||
|
||
/* Redraw the cursor before continuing. */
|
||
cell_redraw(csr_x, csr_y);
|
||
|
||
if (how_much > 0) {
|
||
/* Scroll up */
|
||
memmove(term_buffer, (void *)((uintptr_t)term_buffer + sizeof(term_cell_t) * term_width), sizeof(term_cell_t) * term_width * (term_height - how_much));
|
||
/* Reset the "new" row to clean cells */
|
||
memset((void *)((uintptr_t)term_buffer + sizeof(term_cell_t) * term_width * (term_height - how_much)), 0x0, sizeof(term_cell_t) * term_width * how_much);
|
||
/* In graphical modes, we will shift the graphics buffer up as necessary */
|
||
uintptr_t dst, src;
|
||
size_t siz = char_height * (term_height - how_much) * GFX_W(ctx) * GFX_B(ctx);
|
||
if (!_no_frame) {
|
||
/* Must include decorations */
|
||
dst = (uintptr_t)ctx->backbuffer + (GFX_W(ctx) * (decor_top_height+menu_bar_height)) * GFX_B(ctx);
|
||
src = (uintptr_t)ctx->backbuffer + (GFX_W(ctx) * (decor_top_height+menu_bar_height + char_height * how_much)) * GFX_B(ctx);
|
||
} else {
|
||
/* Can skip decorations */
|
||
dst = (uintptr_t)ctx->backbuffer;
|
||
src = (uintptr_t)ctx->backbuffer + (GFX_W(ctx) * char_height * how_much) * GFX_B(ctx);
|
||
}
|
||
/* Perform the shift */
|
||
memmove((void *)dst, (void *)src, siz);
|
||
/* And redraw the new rows */
|
||
for (int i = 0; i < how_much; ++i) {
|
||
for (uint16_t x = 0; x < term_width; ++x) {
|
||
cell_set(x,term_height - how_much,' ', current_fg, current_bg, ansi_state->flags);
|
||
cell_redraw(x, term_height - how_much);
|
||
}
|
||
}
|
||
} else {
|
||
how_much = -how_much;
|
||
/* Scroll down */
|
||
memmove((void *)((uintptr_t)term_buffer + sizeof(term_cell_t) * term_width), term_buffer, sizeof(term_cell_t) * term_width * (term_height - how_much));
|
||
/* Reset the "new" row to clean cells */
|
||
memset(term_buffer, 0x0, sizeof(term_cell_t) * term_width * how_much);
|
||
uintptr_t dst, src;
|
||
size_t siz = char_height * (term_height - how_much) * GFX_W(ctx) * GFX_B(ctx);
|
||
if (!_no_frame) {
|
||
src = (uintptr_t)ctx->backbuffer + (GFX_W(ctx) * (decor_top_height+menu_bar_height)) * GFX_B(ctx);
|
||
dst = (uintptr_t)ctx->backbuffer + (GFX_W(ctx) * (decor_top_height+menu_bar_height + char_height * how_much)) * GFX_B(ctx);
|
||
} else {
|
||
src = (uintptr_t)ctx->backbuffer;
|
||
dst = (uintptr_t)ctx->backbuffer + (GFX_W(ctx) * char_height * how_much) * GFX_B(ctx);
|
||
}
|
||
/* Perform the shift */
|
||
memmove((void *)dst, (void *)src, siz);
|
||
/* And redraw the new rows */
|
||
for (int i = 0; i < how_much; ++i) {
|
||
for (uint16_t x = 0; x < term_width; ++x) {
|
||
cell_redraw(x, i);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Remove image data for image cells that are no longer on screen. */
|
||
flush_unused_images();
|
||
|
||
/* Flip the entire window. */
|
||
yutani_flip(yctx, window);
|
||
}
|
||
|
||
/* Is this a wide character? (does wcwidth == 2) */
|
||
static int is_wide(uint32_t codepoint) {
|
||
if (codepoint < 256) return 0;
|
||
return wcwidth(codepoint) == 2;
|
||
}
|
||
|
||
/* Save the row that is about to be scrolled offscreen into the scrollback buffer. */
|
||
static void save_scrollback(void) {
|
||
|
||
/* If the scrollback is already full, remove the oldest element. */
|
||
if (scrollback_list->length == MAX_SCROLLBACK) {
|
||
free(list_dequeue(scrollback_list));
|
||
}
|
||
|
||
struct scrollback_row * row = malloc(sizeof(struct scrollback_row) + sizeof(term_cell_t) * term_width + 20);
|
||
row->width = term_width;
|
||
for (int i = 0; i < term_width; ++i) {
|
||
term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (i) * sizeof(term_cell_t));
|
||
memcpy(&row->cells[i], cell, sizeof(term_cell_t));
|
||
}
|
||
|
||
list_insert(scrollback_list, row);
|
||
}
|
||
|
||
/* Draw the scrollback. */
|
||
static void redraw_scrollback(void) {
|
||
if (!scrollback_offset) {
|
||
term_redraw_all();
|
||
display_flip();
|
||
return;
|
||
}
|
||
if (scrollback_offset < term_height) {
|
||
for (int i = scrollback_offset; i < term_height; i++) {
|
||
int y = i - scrollback_offset;
|
||
for (int x = 0; x < term_width; ++x) {
|
||
term_cell_t * cell = (term_cell_t *)((uintptr_t)term_buffer + (y * term_width + x) * sizeof(term_cell_t));
|
||
if (cell->flags & ANSI_EXT_IMG) { redraw_cell_image(x,i,cell); continue; }
|
||
if (((uint32_t *)cell)[0] == 0x00000000) {
|
||
term_write_char(' ', x * char_width, i * char_height, TERM_DEFAULT_FG, TERM_DEFAULT_BG, TERM_DEFAULT_FLAGS);
|
||
} else {
|
||
term_write_char(cell->c, x * char_width, i * char_height, cell->fg, cell->bg, cell->flags);
|
||
}
|
||
}
|
||
}
|
||
|
||
node_t * node = scrollback_list->tail;
|
||
for (int i = 0; i < scrollback_offset; ++i) {
|
||
struct scrollback_row * row = (struct scrollback_row *)node->value;
|
||
|
||
int y = scrollback_offset - 1 - i;
|
||
int width = row->width;
|
||
if (width > term_width) {
|
||
width = term_width;
|
||
} else {
|
||
for (int x = row->width; x < term_width; ++x) {
|
||
term_write_char(' ', x * char_width, y * char_height, TERM_DEFAULT_FG, TERM_DEFAULT_BG, TERM_DEFAULT_FLAGS);
|
||
}
|
||
}
|
||
for (int x = 0; x < width; ++x) {
|
||
term_cell_t * cell = &row->cells[x];
|
||
if (((uint32_t *)cell)[0] == 0x00000000) {
|
||
term_write_char(' ', x * char_width, y * char_height, TERM_DEFAULT_FG, TERM_DEFAULT_BG, TERM_DEFAULT_FLAGS);
|
||
} else {
|
||
term_write_char(cell->c, x * char_width, y * char_height, cell->fg, cell->bg, cell->flags);
|
||
}
|
||
}
|
||
|
||
node = node->prev;
|
||
}
|
||
} else {
|
||
node_t * node = scrollback_list->tail;
|
||
for (int i = 0; i < scrollback_offset - term_height; ++i) {
|
||
node = node->prev;
|
||
}
|
||
for (int i = scrollback_offset - term_height; i < scrollback_offset; ++i) {
|
||
struct scrollback_row * row = (struct scrollback_row *)node->value;
|
||
|
||
int y = scrollback_offset - 1 - i;
|
||
int width = row->width;
|
||
if (width > term_width) {
|
||
width = term_width;
|
||
} else {
|
||
for (int x = row->width; x < term_width; ++x) {
|
||
term_write_char(' ', x * char_width, y * char_height, TERM_DEFAULT_FG, TERM_DEFAULT_BG, TERM_DEFAULT_FLAGS);
|
||
}
|
||
}
|
||
for (int x = 0; x < width; ++x) {
|
||
term_cell_t * cell = &row->cells[x];
|
||
if (((uint32_t *)cell)[0] == 0x00000000) {
|
||
term_write_char(' ', x * char_width, y * char_height, TERM_DEFAULT_FG, TERM_DEFAULT_BG, TERM_DEFAULT_FLAGS);
|
||
} else {
|
||
term_write_char(cell->c, x * char_width, y * char_height, cell->fg, cell->bg, cell->flags);
|
||
}
|
||
}
|
||
|
||
node = node->prev;
|
||
}
|
||
}
|
||
display_flip();
|
||
}
|
||
|
||
/*
|
||
* ANSI callback for writing characters.
|
||
* Parses some things (\n\r, etc.) itself that should probably
|
||
* be moved into the ANSI library.
|
||
*/
|
||
static void term_write(char c) {
|
||
static uint32_t unicode_state = 0;
|
||
static uint32_t codepoint = 0;
|
||
|
||
cell_redraw(csr_x, csr_y);
|
||
|
||
if (!decode(&unicode_state, &codepoint, (uint8_t)c)) {
|
||
uint32_t o = codepoint;
|
||
codepoint = 0;
|
||
if (c == '\r') {
|
||
csr_x = 0;
|
||
return;
|
||
}
|
||
if (csr_x < 0) csr_x = 0;
|
||
if (csr_y < 0) csr_y = 0;
|
||
if (csr_x == term_width) {
|
||
csr_x = 0;
|
||
++csr_y;
|
||
}
|
||
if (csr_y == term_height) {
|
||
save_scrollback();
|
||
term_scroll(1);
|
||
csr_y = term_height - 1;
|
||
}
|
||
if (c == '\n') {
|
||
if (csr_x == 0 && _hold_out) {
|
||
_hold_out = 0;
|
||
return;
|
||
}
|
||
++csr_y;
|
||
if (csr_y == term_height) {
|
||
save_scrollback();
|
||
term_scroll(1);
|
||
csr_y = term_height - 1;
|
||
}
|
||
draw_cursor();
|
||
} else if (c == '\007') {
|
||
/* bell */
|
||
/* XXX play sound */
|
||
} else if (c == '\b') {
|
||
if (csr_x > 0) {
|
||
--csr_x;
|
||
}
|
||
cell_redraw(csr_x, csr_y);
|
||
draw_cursor();
|
||
} else if (c == '\t') {
|
||
csr_x += (8 - csr_x % 8);
|
||
draw_cursor();
|
||
} else {
|
||
int wide = is_wide(o);
|
||
uint8_t flags = ansi_state->flags;
|
||
if (wide && csr_x == term_width - 1) {
|
||
csr_x = 0;
|
||
++csr_y;
|
||
}
|
||
if (wide) {
|
||
flags = flags | ANSI_WIDE;
|
||
}
|
||
cell_set(csr_x,csr_y, o, current_fg, current_bg, flags);
|
||
cell_redraw(csr_x,csr_y);
|
||
csr_x++;
|
||
if (wide && csr_x != term_width) {
|
||
cell_set(csr_x, csr_y, 0xFFFF, current_fg, current_bg, ansi_state->flags);
|
||
cell_redraw(csr_x,csr_y);
|
||
cell_redraw(csr_x-1,csr_y);
|
||
csr_x++;
|
||
}
|
||
}
|
||
} else if (unicode_state == UTF8_REJECT) {
|
||
unicode_state = 0;
|
||
codepoint = 0;
|
||
}
|
||
draw_cursor();
|
||
}
|
||
|
||
/* ANSI callback to set cursor position */
|
||
static void term_set_csr(int x, int y) {
|
||
cell_redraw(csr_x,csr_y);
|
||
csr_x = x;
|
||
csr_y = y;
|
||
draw_cursor();
|
||
}
|
||
|
||
/* ANSI callback to get cursor x position */
|
||
static int term_get_csr_x(void) {
|
||
return csr_x;
|
||
}
|
||
|
||
/* ANSI callback to get cursor y position */
|
||
static int term_get_csr_y(void) {
|
||
return csr_y;
|
||
}
|
||
|
||
/* ANSI callback to set cell image data. */
|
||
static void term_set_cell_contents(int x, int y, char * data) {
|
||
char * cell_data = malloc(char_width * char_height * sizeof(uint32_t));
|
||
memcpy(cell_data, data, char_width * char_height * sizeof(uint32_t));
|
||
list_insert(images_list, cell_data);
|
||
cell_set(x, y, ' ', (uint32_t)cell_data, 0, ANSI_EXT_IMG);
|
||
}
|
||
|
||
/* ANSI callback to get character cell width */
|
||
static int term_get_cell_width(void) {
|
||
return char_width;
|
||
}
|
||
|
||
/* ANSI callback to get character cell height */
|
||
static int term_get_cell_height(void) {
|
||
return char_height;
|
||
}
|
||
|
||
/* ANSI callback to set cursor visibility */
|
||
static void term_set_csr_show(int on) {
|
||
cursor_on = on;
|
||
}
|
||
|
||
/* ANSI callback to set the foreground/background colors. */
|
||
static void term_set_colors(uint32_t fg, uint32_t bg) {
|
||
current_fg = fg;
|
||
current_bg = bg;
|
||
}
|
||
|
||
/* ANSI callback to force the cursor to draw */
|
||
static void term_redraw_cursor() {
|
||
if (term_buffer) {
|
||
draw_cursor();
|
||
}
|
||
}
|
||
|
||
/* ANSI callback to set a cell to a codepoint (only ever used to set spaces) */
|
||
static void term_set_cell(int x, int y, uint32_t c) {
|
||
cell_set(x, y, c, current_fg, current_bg, ansi_state->flags);
|
||
cell_redraw(x, y);
|
||
}
|
||
|
||
/* ANSI callback to clear the terminal. */
|
||
static void term_clear(int i) {
|
||
if (i == 2) {
|
||
/* Clear all */
|
||
csr_x = 0;
|
||
csr_y = 0;
|
||
memset((void *)term_buffer, 0x00, term_width * term_height * sizeof(term_cell_t));
|
||
if (!_no_frame) {
|
||
render_decors();
|
||
}
|
||
term_redraw_all();
|
||
} else if (i == 0) {
|
||
/* Clear after cursor */
|
||
for (int x = csr_x; x < term_width; ++x) {
|
||
term_set_cell(x, csr_y, ' ');
|
||
}
|
||
for (int y = csr_y + 1; y < term_height; ++y) {
|
||
for (int x = 0; x < term_width; ++x) {
|
||
term_set_cell(x, y, ' ');
|
||
}
|
||
}
|
||
} else if (i == 1) {
|
||
/* Clear before cursor */
|
||
for (int y = 0; y < csr_y; ++y) {
|
||
for (int x = 0; x < term_width; ++x) {
|
||
term_set_cell(x, y, ' ');
|
||
}
|
||
}
|
||
for (int x = 0; x < csr_x; ++x) {
|
||
term_set_cell(x, csr_y, ' ');
|
||
}
|
||
}
|
||
flush_unused_images();
|
||
}
|
||
|
||
/* ANSI callbacks */
|
||
term_callbacks_t term_callbacks = {
|
||
term_write,
|
||
term_set_colors,
|
||
term_set_csr,
|
||
term_get_csr_x,
|
||
term_get_csr_y,
|
||
term_set_cell,
|
||
term_clear,
|
||
term_scroll,
|
||
term_redraw_cursor,
|
||
input_buffer_stuff,
|
||
set_title,
|
||
term_set_cell_contents,
|
||
term_get_cell_width,
|
||
term_get_cell_height,
|
||
term_set_csr_show,
|
||
};
|
||
|
||
/* Write data into the PTY */
|
||
static void handle_input(char c) {
|
||
write(fd_master, &c, 1);
|
||
display_flip();
|
||
}
|
||
|
||
/* Write a string into the PTY */
|
||
static void handle_input_s(char * c) {
|
||
write(fd_master, c, strlen(c));
|
||
display_flip();
|
||
}
|
||
|
||
/* Scroll the view up (scrollback) */
|
||
static void scroll_up(int amount) {
|
||
int i = 0;
|
||
while (i < amount && scrollback_list && scrollback_offset < (int)scrollback_list->length) {
|
||
scrollback_offset ++;
|
||
i++;
|
||
}
|
||
redraw_scrollback();
|
||
}
|
||
|
||
/* Scroll the view down (scrollback) */
|
||
void scroll_down(int amount) {
|
||
int i = 0;
|
||
while (i < amount && scrollback_list && scrollback_offset != 0) {
|
||
scrollback_offset -= 1;
|
||
i++;
|
||
}
|
||
redraw_scrollback();
|
||
}
|
||
|
||
/* Handle a key press from Yutani */
|
||
static void key_event(int ret, key_event_t * event) {
|
||
if (ret) {
|
||
/* Ctrl-Shift-C - Copy selection */
|
||
if ((event->modifiers & KEY_MOD_LEFT_SHIFT || event->modifiers & KEY_MOD_RIGHT_SHIFT) &&
|
||
(event->modifiers & KEY_MOD_LEFT_CTRL || event->modifiers & KEY_MOD_RIGHT_CTRL) &&
|
||
(event->keycode == 'c')) {
|
||
if (selection) {
|
||
/* Copy selection */
|
||
copy_selection();
|
||
}
|
||
return;
|
||
}
|
||
|
||
/* Ctrl-Shift-V - Paste selection */
|
||
if ((event->modifiers & KEY_MOD_LEFT_SHIFT || event->modifiers & KEY_MOD_RIGHT_SHIFT) &&
|
||
(event->modifiers & KEY_MOD_LEFT_CTRL || event->modifiers & KEY_MOD_RIGHT_CTRL) &&
|
||
(event->keycode == 'v')) {
|
||
/* Paste selection */
|
||
yutani_special_request(yctx, NULL, YUTANI_SPECIAL_REQUEST_CLIPBOARD);
|
||
return;
|
||
}
|
||
|
||
/* Left alt */
|
||
if (event->modifiers & KEY_MOD_LEFT_ALT || event->modifiers & KEY_MOD_RIGHT_ALT) {
|
||
handle_input('\033');
|
||
}
|
||
|
||
/* Shift-Tab */
|
||
if ((event->modifiers & KEY_MOD_LEFT_SHIFT || event->modifiers & KEY_MOD_RIGHT_SHIFT) &&
|
||
event->key == '\t') {
|
||
handle_input_s("\033[Z");
|
||
return;
|
||
}
|
||
|
||
/* Pass key value to PTY */
|
||
handle_input(event->key);
|
||
} else {
|
||
/* Special keys without ->key values */
|
||
|
||
/* Only trigger on key down */
|
||
if (event->action == KEY_ACTION_UP) return;
|
||
|
||
switch (event->keycode) {
|
||
case KEY_F1:
|
||
handle_input_s("\033OP");
|
||
break;
|
||
case KEY_F2:
|
||
handle_input_s("\033OQ");
|
||
break;
|
||
case KEY_F3:
|
||
handle_input_s("\033OR");
|
||
break;
|
||
case KEY_F4:
|
||
handle_input_s("\033OS");
|
||
break;
|
||
case KEY_F5:
|
||
handle_input_s("\033[15~");
|
||
break;
|
||
case KEY_F6:
|
||
handle_input_s("\033[17~");
|
||
break;
|
||
case KEY_F7:
|
||
handle_input_s("\033[18~");
|
||
break;
|
||
case KEY_F8:
|
||
handle_input_s("\033[19~");
|
||
break;
|
||
case KEY_F9:
|
||
handle_input_s("\033[20~");
|
||
break;
|
||
case KEY_F10:
|
||
handle_input_s("\033[21~");
|
||
break;
|
||
case KEY_F11:
|
||
handle_input_s("\033[23~");
|
||
break;
|
||
case KEY_F12:
|
||
/* Toggle decorations */
|
||
if (!_fullscreen) {
|
||
_no_frame = !_no_frame;
|
||
window_width = window->width - decor_width() * (!_no_frame);
|
||
window_height = window->height - (decor_height() + menu_bar_height) * (!_no_frame);
|
||
reinit(1);
|
||
}
|
||
break;
|
||
case KEY_ARROW_UP:
|
||
if (event->modifiers & KEY_MOD_LEFT_SHIFT && event->modifiers & KEY_MOD_LEFT_CTRL) {
|
||
handle_input_s("\033[6A");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_CTRL) {
|
||
handle_input_s("\033[5A");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_SHIFT && event->modifiers & KEY_MOD_LEFT_ALT) {
|
||
handle_input_s("\033[4A");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_ALT) {
|
||
handle_input_s("\033[3A");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_SHIFT) {
|
||
handle_input_s("\033[2A");
|
||
} else {
|
||
handle_input_s("\033[A");
|
||
}
|
||
break;
|
||
case KEY_ARROW_DOWN:
|
||
if (event->modifiers & KEY_MOD_LEFT_SHIFT && event->modifiers & KEY_MOD_LEFT_CTRL) {
|
||
handle_input_s("\033[6B");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_CTRL) {
|
||
handle_input_s("\033[5B");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_SHIFT && event->modifiers & KEY_MOD_LEFT_ALT) {
|
||
handle_input_s("\033[4B");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_ALT) {
|
||
handle_input_s("\033[3B");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_SHIFT) {
|
||
handle_input_s("\033[2B");
|
||
} else {
|
||
handle_input_s("\033[B");
|
||
}
|
||
break;
|
||
case KEY_ARROW_RIGHT:
|
||
if (event->modifiers & KEY_MOD_LEFT_SHIFT && event->modifiers & KEY_MOD_LEFT_CTRL) {
|
||
handle_input_s("\033[6C");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_CTRL) {
|
||
handle_input_s("\033[5C");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_SHIFT && event->modifiers & KEY_MOD_LEFT_ALT) {
|
||
handle_input_s("\033[4C");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_ALT) {
|
||
handle_input_s("\033[3C");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_SHIFT) {
|
||
handle_input_s("\033[2C");
|
||
} else {
|
||
handle_input_s("\033[C");
|
||
}
|
||
break;
|
||
case KEY_ARROW_LEFT:
|
||
if (event->modifiers & KEY_MOD_LEFT_SHIFT && event->modifiers & KEY_MOD_LEFT_CTRL) {
|
||
handle_input_s("\033[6D");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_CTRL) {
|
||
handle_input_s("\033[5D");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_SHIFT && event->modifiers & KEY_MOD_LEFT_ALT) {
|
||
handle_input_s("\033[4D");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_ALT) {
|
||
handle_input_s("\033[3D");
|
||
} else if (event->modifiers & KEY_MOD_LEFT_SHIFT) {
|
||
handle_input_s("\033[2D");
|
||
} else {
|
||
handle_input_s("\033[D");
|
||
}
|
||
break;
|
||
case KEY_PAGE_UP:
|
||
if (event->modifiers & KEY_MOD_LEFT_SHIFT) {
|
||
scroll_up(term_height/2);
|
||
} else {
|
||
handle_input_s("\033[5~");
|
||
}
|
||
break;
|
||
case KEY_PAGE_DOWN:
|
||
if (event->modifiers & KEY_MOD_LEFT_SHIFT) {
|
||
scroll_down(term_height/2);
|
||
} else {
|
||
handle_input_s("\033[6~");
|
||
}
|
||
break;
|
||
case KEY_HOME:
|
||
if (event->modifiers & KEY_MOD_LEFT_SHIFT) {
|
||
if (scrollback_list) {
|
||
scrollback_offset = scrollback_list->length;
|
||
redraw_scrollback();
|
||
}
|
||
} else {
|
||
handle_input_s("\033OH");
|
||
}
|
||
break;
|
||
case KEY_END:
|
||
if (event->modifiers & KEY_MOD_LEFT_SHIFT) {
|
||
scrollback_offset = 0;
|
||
redraw_scrollback();
|
||
} else {
|
||
handle_input_s("\033OF");
|
||
}
|
||
break;
|
||
case KEY_DEL:
|
||
handle_input_s("\033[3~");
|
||
break;
|
||
case KEY_INSERT:
|
||
handle_input_s("\033[2~");
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Check if the Terminal should close. */
|
||
static void check_for_exit(void) {
|
||
|
||
/* If something has set exit_application, we should exit. */
|
||
if (exit_application) return;
|
||
|
||
pid_t pid = waitpid(-1, NULL, WNOHANG);
|
||
|
||
/* If the child has exited, we should exit. */
|
||
if (pid != child_pid) return;
|
||
|
||
/* Clean up */
|
||
exit_application = 1;
|
||
|
||
/* Write [Process terminated] */
|
||
char exit_message[] = "[Process terminated]\n";
|
||
write(fd_slave, exit_message, sizeof(exit_message));
|
||
}
|
||
|
||
/* Reinitialize the terminal after a resize. */
|
||
static void reinit(int send_sig) {
|
||
|
||
/* Figure out character sizes if fonts have changed. */
|
||
if (_use_sdf) {
|
||
char_width = 9;
|
||
char_height = 17;
|
||
font_size = 16;
|
||
if (scale_fonts) {
|
||
font_size *= font_scaling;
|
||
char_height *= font_scaling;
|
||
char_width *= font_scaling;
|
||
}
|
||
} else {
|
||
char_width = 9;
|
||
char_height = 20;
|
||
}
|
||
|
||
int old_width = term_width;
|
||
int old_height = term_height;
|
||
|
||
/* Resize the terminal buffer */
|
||
term_width = window_width / char_width;
|
||
term_height = window_height / char_height;
|
||
if (term_buffer) {
|
||
term_cell_t * new_term_buffer = malloc(sizeof(term_cell_t) * term_width * term_height);
|
||
|
||
memset(new_term_buffer, 0x0, sizeof(term_cell_t) * term_width * term_height);
|
||
|
||
int offset = 0;
|
||
if (term_height < old_height) {
|
||
while (csr_y >= term_height) {
|
||
offset++;
|
||
old_height--;
|
||
csr_y--;
|
||
}
|
||
}
|
||
for (int row = 0; row < min(old_height, term_height); ++row) {
|
||
for (int col = 0; col < min(old_width, term_width); ++col) {
|
||
term_cell_t * old_cell = (term_cell_t *)((uintptr_t)term_buffer + ((row + offset) * old_width + col) * sizeof(term_cell_t));
|
||
term_cell_t * new_cell = (term_cell_t *)((uintptr_t)new_term_buffer + (row * term_width + col) * sizeof(term_cell_t));
|
||
*new_cell = *old_cell;
|
||
}
|
||
}
|
||
if (csr_x >= term_width) {
|
||
csr_x = term_width-1;
|
||
}
|
||
free(term_buffer);
|
||
|
||
term_buffer = new_term_buffer;
|
||
} else {
|
||
term_buffer = malloc(sizeof(term_cell_t) * term_width * term_height);
|
||
memset(term_buffer, 0x0, sizeof(term_cell_t) * term_width * term_height);
|
||
}
|
||
|
||
/* Reset the ANSI library, ensuring we keep certain values */
|
||
int old_mouse_state = 0;
|
||
if (ansi_state) old_mouse_state = ansi_state->mouse_on;
|
||
ansi_state = ansi_init(ansi_state, term_width, term_height, &term_callbacks);
|
||
ansi_state->mouse_on = old_mouse_state;
|
||
|
||
/* Redraw the window */
|
||
draw_fill(ctx, rgba(0,0,0, TERM_DEFAULT_OPAC));
|
||
render_decors();
|
||
term_redraw_all();
|
||
display_flip();
|
||
|
||
/* Send window size change ioctl */
|
||
struct winsize w;
|
||
w.ws_row = term_height;
|
||
w.ws_col = term_width;
|
||
w.ws_xpixel = term_width * char_width;
|
||
w.ws_ypixel = term_height * char_height;
|
||
ioctl(fd_master, TIOCSWINSZ, &w);
|
||
|
||
/* If requested, send a signal to the application. */
|
||
if (send_sig) {
|
||
kill(child_pid, SIGWINCH);
|
||
}
|
||
}
|
||
|
||
/* Handle window resize event. */
|
||
static void resize_finish(int width, int height) {
|
||
static int resize_attempts = 0;
|
||
|
||
int extra_x = 0;
|
||
int extra_y = 0;
|
||
|
||
/* Calculate window size */
|
||
if (!_no_frame) {
|
||
extra_x = decor_width();
|
||
extra_y = decor_height() + menu_bar_height;
|
||
}
|
||
|
||
int t_window_width = width - extra_x;
|
||
int t_window_height = height - extra_y;
|
||
|
||
/* Prevent the terminal from becoming too small. */
|
||
if (t_window_width < char_width * 20 || t_window_height < char_height * 10) {
|
||
resize_attempts++;
|
||
int n_width = extra_x + max(char_width * 20, t_window_width);
|
||
int n_height = extra_y + max(char_height * 10, t_window_height);
|
||
yutani_window_resize_offer(yctx, window, n_width, n_height);
|
||
return;
|
||
}
|
||
|
||
/* If requested, ensure the terminal resizes to a fixed size based on the cell size. */
|
||
if (!_free_size && ((t_window_width % char_width != 0 || t_window_height % char_height != 0) && resize_attempts < 3)) {
|
||
resize_attempts++;
|
||
int n_width = extra_x + t_window_width - (t_window_width % char_width);
|
||
int n_height = extra_y + t_window_height - (t_window_height % char_height);
|
||
yutani_window_resize_offer(yctx, window, n_width, n_height);
|
||
return;
|
||
}
|
||
|
||
resize_attempts = 0;
|
||
|
||
/* Accept new window size */
|
||
yutani_window_resize_accept(yctx, window, width, height);
|
||
window_width = window->width - extra_x;
|
||
window_height = window->height - extra_y;
|
||
|
||
/* Reinitialize the graphics library */
|
||
reinit_graphics_yutani(ctx, window);
|
||
|
||
/* Reinitialize the terminal buffer and ANSI library */
|
||
reinit(1);
|
||
|
||
/* We are done resizing. */
|
||
yutani_window_resize_done(yctx, window);
|
||
yutani_flip(yctx, window);
|
||
}
|
||
|
||
/* Insert a mouse event sequence into the PTY */
|
||
static void mouse_event(int button, int x, int y) {
|
||
char buf[7];
|
||
sprintf(buf, "\033[M%c%c%c", button + 32, x + 33, y + 33);
|
||
handle_input_s(buf);
|
||
}
|
||
|
||
/* Handle Yutani messages */
|
||
static void * handle_incoming(void) {
|
||
|
||
yutani_msg_t * m = yutani_poll(yctx);
|
||
while (m) {
|
||
if (menu_process_event(yctx, m)) {
|
||
render_decors();
|
||
}
|
||
switch (m->type) {
|
||
case YUTANI_MSG_KEY_EVENT:
|
||
{
|
||
struct yutani_msg_key_event * ke = (void*)m->data;
|
||
int ret = (ke->event.action == KEY_ACTION_DOWN) && (ke->event.key);
|
||
key_event(ret, &ke->event);
|
||
}
|
||
break;
|
||
case YUTANI_MSG_WINDOW_FOCUS_CHANGE:
|
||
{
|
||
struct yutani_msg_window_focus_change * wf = (void*)m->data;
|
||
yutani_window_t * win = hashmap_get(yctx->windows, (void*)wf->wid);
|
||
if (win == window) {
|
||
win->focused = wf->focused;
|
||
render_decors();
|
||
}
|
||
}
|
||
break;
|
||
case YUTANI_MSG_WINDOW_CLOSE:
|
||
{
|
||
struct yutani_msg_window_close * wc = (void*)m->data;
|
||
if (wc->wid == window->wid) {
|
||
kill(child_pid, SIGKILL);
|
||
exit_application = 1;
|
||
}
|
||
}
|
||
break;
|
||
case YUTANI_MSG_SESSION_END:
|
||
{
|
||
kill(child_pid, SIGKILL);
|
||
exit_application = 1;
|
||
}
|
||
break;
|
||
case YUTANI_MSG_RESIZE_OFFER:
|
||
{
|
||
struct yutani_msg_window_resize * wr = (void*)m->data;
|
||
resize_finish(wr->width, wr->height);
|
||
}
|
||
break;
|
||
case YUTANI_MSG_CLIPBOARD:
|
||
{
|
||
struct yutani_msg_clipboard * cb = (void *)m->data;
|
||
if (selection_text) {
|
||
free(selection_text);
|
||
}
|
||
if (*cb->content == '\002') {
|
||
int size = atoi(&cb->content[2]);
|
||
FILE * clipboard = yutani_open_clipboard(yctx);
|
||
selection_text = malloc(size + 1);
|
||
fread(selection_text, 1, size, clipboard);
|
||
selection_text[size] = '\0';
|
||
fclose(clipboard);
|
||
} else {
|
||
selection_text = malloc(cb->size+1);
|
||
memcpy(selection_text, cb->content, cb->size);
|
||
selection_text[cb->size] = '\0';
|
||
}
|
||
handle_input_s(selection_text);
|
||
}
|
||
break;
|
||
case YUTANI_MSG_WINDOW_MOUSE_EVENT:
|
||
{
|
||
struct yutani_msg_window_mouse_event * me = (void*)m->data;
|
||
if (me->wid != window->wid) break;
|
||
if (!_no_frame) {
|
||
int decor_response = decor_handle_event(yctx, m);
|
||
|
||
switch (decor_response) {
|
||
case DECOR_CLOSE:
|
||
kill(child_pid, SIGKILL);
|
||
exit_application = 1;
|
||
break;
|
||
case DECOR_RIGHT:
|
||
/* right click in decoration, show appropriate menu */
|
||
decor_show_default_menu(window, window->x + me->new_x, window->y + me->new_y);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
menu_bar_mouse_event(yctx, window, &terminal_menu_bar, me, me->new_x, me->new_y);
|
||
}
|
||
|
||
if (me->new_x < 0 || me->new_y < 0) break;
|
||
if (!_no_frame) {
|
||
if (me->new_x >= (int)window_width + (int)decor_width()) break;
|
||
if (me->new_y >= (int)window_height + (int)decor_height()) break;
|
||
if (me->new_y < (int)decor_top_height+menu_bar_height) break;
|
||
if (me->new_y >= (int)(window_height + decor_top_height+menu_bar_height)) break;
|
||
if (me->new_x < (int)decor_left_width) break;
|
||
if (me->new_y >= (int)(window_width + decor_left_width)) break;
|
||
} else {
|
||
if (me->new_x >= (int)window_width) break;
|
||
if (me->new_y >= (int)window_height) break;
|
||
}
|
||
|
||
int new_x = me->new_x;
|
||
int new_y = me->new_y;
|
||
if (!_no_frame) {
|
||
new_x -= decor_left_width;
|
||
new_y -= decor_top_height+menu_bar_height;
|
||
}
|
||
/* Convert from coordinate to cell positon */
|
||
new_x /= char_width;
|
||
new_y /= char_height;
|
||
|
||
if (new_x < 0 || new_y < 0) break;
|
||
if (new_x > term_width || new_y > term_height) break;
|
||
|
||
/* Map Cursor Action */
|
||
if (ansi_state->mouse_on) {
|
||
|
||
if (me->buttons & YUTANI_MOUSE_SCROLL_UP) {
|
||
mouse_event(32+32, new_x, new_y);
|
||
} else if (me->buttons & YUTANI_MOUSE_SCROLL_DOWN) {
|
||
mouse_event(32+32+1, new_x, new_y);
|
||
}
|
||
|
||
if (me->buttons != button_state) {
|
||
/* Figure out what changed */
|
||
if (me->buttons & YUTANI_MOUSE_BUTTON_LEFT &&
|
||
!(button_state & YUTANI_MOUSE_BUTTON_LEFT))
|
||
mouse_event(0, new_x, new_y);
|
||
if (me->buttons & YUTANI_MOUSE_BUTTON_MIDDLE &&
|
||
!(button_state & YUTANI_MOUSE_BUTTON_MIDDLE))
|
||
mouse_event(1, new_x, new_y);
|
||
if (me->buttons & YUTANI_MOUSE_BUTTON_RIGHT &&
|
||
!(button_state & YUTANI_MOUSE_BUTTON_RIGHT))
|
||
mouse_event(2, new_x, new_y);
|
||
if (!(me->buttons & YUTANI_MOUSE_BUTTON_LEFT) &&
|
||
button_state & YUTANI_MOUSE_BUTTON_LEFT)
|
||
mouse_event(3, new_x, new_y);
|
||
if (!(me->buttons & YUTANI_MOUSE_BUTTON_MIDDLE) &&
|
||
button_state & YUTANI_MOUSE_BUTTON_MIDDLE)
|
||
mouse_event(3, new_x, new_y);
|
||
if (!(me->buttons & YUTANI_MOUSE_BUTTON_RIGHT) &&
|
||
button_state & YUTANI_MOUSE_BUTTON_RIGHT)
|
||
mouse_event(3, new_x, new_y);
|
||
last_mouse_x = new_x;
|
||
last_mouse_y = new_y;
|
||
button_state = me->buttons;
|
||
} else if (ansi_state->mouse_on == 2) {
|
||
/* Report motion for pressed buttons */
|
||
if (last_mouse_x == new_x && last_mouse_y == new_y) break;
|
||
if (button_state & YUTANI_MOUSE_BUTTON_LEFT) mouse_event(32, new_x, new_y);
|
||
if (button_state & YUTANI_MOUSE_BUTTON_MIDDLE) mouse_event(33, new_x, new_y);
|
||
if (button_state & YUTANI_MOUSE_BUTTON_RIGHT) mouse_event(34, new_x, new_y);
|
||
last_mouse_x = new_x;
|
||
last_mouse_y = new_y;
|
||
}
|
||
} else {
|
||
if (me->command == YUTANI_MOUSE_EVENT_DOWN && me->buttons & YUTANI_MOUSE_BUTTON_LEFT) {
|
||
term_redraw_all();
|
||
selection_start_x = new_x;
|
||
selection_start_y = new_y;
|
||
selection_end_x = new_x;
|
||
selection_end_y = new_y;
|
||
selection = 1;
|
||
redraw_selection();
|
||
display_flip();
|
||
}
|
||
if (me->command == YUTANI_MOUSE_EVENT_DRAG && me->buttons & YUTANI_MOUSE_BUTTON_LEFT ){
|
||
unredraw_selection();
|
||
selection_end_x = new_x;
|
||
selection_end_y = new_y;
|
||
redraw_selection();
|
||
display_flip();
|
||
}
|
||
if (me->command == YUTANI_MOUSE_EVENT_RAISE) {
|
||
if (me->new_x == me->old_x && me->new_y == me->old_y) {
|
||
selection = 0;
|
||
term_redraw_all();
|
||
display_flip();
|
||
} /* else selection */
|
||
}
|
||
if (me->buttons & YUTANI_MOUSE_SCROLL_UP) {
|
||
scroll_up(5);
|
||
} else if (me->buttons & YUTANI_MOUSE_SCROLL_DOWN) {
|
||
scroll_down(5);
|
||
} else if (me->buttons & YUTANI_MOUSE_BUTTON_RIGHT) {
|
||
if (!menu_right_click->window) {
|
||
menu_show(menu_right_click, yctx);
|
||
if (window->x + me->new_x + menu_right_click->window->width > yctx->display_width) {
|
||
yutani_window_move(yctx, menu_right_click->window, window->x + me->new_x - menu_right_click->window->width, window->y + me->new_y);
|
||
} else {
|
||
yutani_window_move(yctx, menu_right_click->window, window->x + me->new_x, window->y + me->new_y);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
free(m);
|
||
m = yutani_poll_async(yctx);
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
* Menu Actions
|
||
*/
|
||
|
||
/* File > Exit */
|
||
static void _menu_action_exit(struct MenuEntry * self) {
|
||
kill(child_pid, SIGKILL);
|
||
exit_application = 1;
|
||
}
|
||
|
||
/* We need to track these so we can retitle both of them */
|
||
static struct MenuEntry * _menu_toggle_borders_context = NULL;
|
||
static struct MenuEntry * _menu_toggle_borders_bar = NULL;
|
||
|
||
static void _menu_action_hide_borders(struct MenuEntry * self) {
|
||
_no_frame = !(_no_frame);
|
||
window_width = window->width - decor_width() * (!_no_frame);
|
||
window_height = window->height - (decor_height() + menu_bar_height) * (!_no_frame);
|
||
menu_update_title(_menu_toggle_borders_context, _no_frame ? "Show borders" : "Hide borders");
|
||
menu_update_title(_menu_toggle_borders_bar, _no_frame ? "Show borders" : "Hide borders");
|
||
reinit(1);
|
||
}
|
||
|
||
static void _menu_action_toggle_sdf(struct MenuEntry * self) {
|
||
_use_sdf = !(_use_sdf);
|
||
menu_update_title(self, _use_sdf ? "Bitmap font" : "Anti-aliased font");
|
||
reinit(1);
|
||
}
|
||
|
||
static void _menu_action_show_about(struct MenuEntry * self) {
|
||
char about_cmd[1024] = "\0";
|
||
strcat(about_cmd, "about \"About Terminal\" /usr/share/icons/48/utilities-terminal.bmp \"ToaruOS Terminal\" \"(C) 2013-2018 K. Lange\n-\nPart of ToaruOS, which is free software\nreleased under the NCSA/University of Illinois\nlicense.\n-\n%https://toaruos.org\n%https://gitlab.com/toaruos\" ");
|
||
char coords[100];
|
||
sprintf(coords, "%d %d &", (int)window->x + (int)window->width / 2, (int)window->y + (int)window->height / 2);
|
||
strcat(about_cmd, coords);
|
||
system(about_cmd);
|
||
render_decors();
|
||
}
|
||
|
||
static void _menu_action_show_help(struct MenuEntry * self) {
|
||
system("help-browser terminal.trt &");
|
||
render_decors();
|
||
}
|
||
|
||
static void _menu_action_copy(struct MenuEntry * self) {
|
||
copy_selection();
|
||
}
|
||
|
||
static void _menu_action_paste(struct MenuEntry * self) {
|
||
yutani_special_request(yctx, NULL, YUTANI_SPECIAL_REQUEST_CLIPBOARD);
|
||
}
|
||
|
||
static void _menu_action_set_scale(struct MenuEntry * self) {
|
||
struct MenuEntry_Normal * _self = (struct MenuEntry_Normal *)self;
|
||
if (!_self->action) {
|
||
scale_fonts = 0;
|
||
font_scaling = 1.0;
|
||
} else {
|
||
scale_fonts = 1;
|
||
font_scaling = atof(_self->action);
|
||
}
|
||
reinit(1);
|
||
}
|
||
|
||
int main(int argc, char ** argv) {
|
||
|
||
window_width = char_width * 80;
|
||
window_height = char_height * 24;
|
||
|
||
static struct option long_opts[] = {
|
||
{"fullscreen", no_argument, 0, 'F'},
|
||
{"bitmap", no_argument, 0, 'b'},
|
||
{"scale", required_argument, 0, 's'},
|
||
{"help", no_argument, 0, 'h'},
|
||
{"grid", no_argument, 0, 'x'},
|
||
{"no-frame", no_argument, 0, 'n'},
|
||
{"geometry", required_argument, 0, 'g'},
|
||
{0,0,0,0}
|
||
};
|
||
|
||
/* Read some arguments */
|
||
int index, c;
|
||
while ((c = getopt_long(argc, argv, "bhxnFls:g:", long_opts, &index)) != -1) {
|
||
if (!c) {
|
||
if (long_opts[index].flag == 0) {
|
||
c = long_opts[index].val;
|
||
}
|
||
}
|
||
switch (c) {
|
||
case 'x':
|
||
_free_size = 0;
|
||
break;
|
||
case 'n':
|
||
_no_frame = 1;
|
||
break;
|
||
case 'F':
|
||
_fullscreen = 1;
|
||
_no_frame = 1;
|
||
break;
|
||
case 'b':
|
||
_use_sdf = 0;
|
||
break;
|
||
case 'h':
|
||
usage(argv);
|
||
return 0;
|
||
break;
|
||
case 's':
|
||
scale_fonts = 1;
|
||
font_scaling = atof(optarg);
|
||
break;
|
||
case 'g':
|
||
{
|
||
char * c = strstr(optarg, "x");
|
||
if (c) {
|
||
*c = '\0';
|
||
c++;
|
||
window_width = atoi(optarg);
|
||
window_height = atoi(c);
|
||
}
|
||
}
|
||
break;
|
||
case '?':
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Initialize the windowing library */
|
||
yctx = yutani_init();
|
||
|
||
if (!yctx) {
|
||
fprintf(stderr, "%s: failed to connect to compositor\n", argv[0]);
|
||
return 1;
|
||
}
|
||
|
||
/* Full screen mode forces window size to be that the display server */
|
||
if (_fullscreen) {
|
||
window_width = yctx->display_width;
|
||
window_height = yctx->display_height;
|
||
}
|
||
|
||
if (_no_frame) {
|
||
window = yutani_window_create(yctx, window_width, window_height);
|
||
} else {
|
||
init_decorations();
|
||
window = yutani_window_create(yctx, window_width + decor_left_width + decor_right_width, window_height + decor_top_height+menu_bar_height + decor_bottom_height);
|
||
|
||
}
|
||
|
||
if (_fullscreen) {
|
||
/* If fullscreen, assume we're always focused and put us on the bottom. */
|
||
yutani_set_stack(yctx, window, YUTANI_ZORDER_BOTTOM);
|
||
window->focused = 1;
|
||
} else {
|
||
window->focused = 0;
|
||
}
|
||
|
||
/* Set up menus */
|
||
terminal_menu_bar.entries = terminal_menu_entries;
|
||
terminal_menu_bar.redraw_callback = render_decors;
|
||
|
||
struct MenuEntry * _menu_exit = menu_create_normal("exit","exit","Exit", _menu_action_exit);
|
||
struct MenuEntry * _menu_copy = menu_create_normal(NULL, NULL, "Copy", _menu_action_copy);
|
||
struct MenuEntry * _menu_paste = menu_create_normal(NULL, NULL, "Paste", _menu_action_paste);
|
||
|
||
menu_right_click = menu_create();
|
||
menu_insert(menu_right_click, _menu_copy);
|
||
menu_insert(menu_right_click, _menu_paste);
|
||
menu_insert(menu_right_click, menu_create_separator());
|
||
_menu_toggle_borders_context = menu_create_normal(NULL, NULL, _no_frame ? "Show borders" : "Hide borders", _menu_action_hide_borders);
|
||
menu_insert(menu_right_click, _menu_toggle_borders_context);
|
||
menu_insert(menu_right_click, menu_create_separator());
|
||
menu_insert(menu_right_click, _menu_exit);
|
||
|
||
/* Menu Bar menus */
|
||
terminal_menu_bar.set = menu_set_create();
|
||
struct MenuList * m;
|
||
m = menu_create(); /* File */
|
||
menu_insert(m, _menu_exit);
|
||
menu_set_insert(terminal_menu_bar.set, "file", m);
|
||
|
||
m = menu_create();
|
||
menu_insert(m, _menu_copy);
|
||
menu_insert(m, _menu_paste);
|
||
menu_set_insert(terminal_menu_bar.set, "edit", m);
|
||
|
||
m = menu_create();
|
||
menu_insert(m, menu_create_normal(NULL, "0.75", "75%", _menu_action_set_scale));
|
||
menu_insert(m, menu_create_normal(NULL, NULL, "100%", _menu_action_set_scale));
|
||
menu_insert(m, menu_create_normal(NULL, "1.5", "150%", _menu_action_set_scale));
|
||
menu_insert(m, menu_create_normal(NULL, "2.0", "200%", _menu_action_set_scale));
|
||
menu_set_insert(terminal_menu_bar.set, "zoom", m);
|
||
|
||
m = menu_create();
|
||
_menu_toggle_borders_bar = menu_create_normal(NULL, NULL, _no_frame ? "Show borders" : "Hide borders", _menu_action_hide_borders);
|
||
menu_insert(m, _menu_toggle_borders_bar);
|
||
menu_insert(m, menu_create_submenu(NULL,"zoom","Set zoom..."));
|
||
menu_insert(m, menu_create_normal(NULL, NULL, _use_sdf ? "Bitmap font" : "Anti-aliased font", _menu_action_toggle_sdf));
|
||
menu_set_insert(terminal_menu_bar.set, "view", m);
|
||
|
||
m = menu_create();
|
||
menu_insert(m, menu_create_normal("help","help","Contents", _menu_action_show_help));
|
||
menu_insert(m, menu_create_separator());
|
||
menu_insert(m, menu_create_normal("star","star","About Terminal", _menu_action_show_about));
|
||
menu_set_insert(terminal_menu_bar.set, "help", m);
|
||
|
||
scrollback_list = list_create();
|
||
images_list = list_create();
|
||
|
||
/* Initialize the graphics context */
|
||
ctx = init_graphics_yutani_double_buffer(window);
|
||
|
||
/* Clear to black */
|
||
draw_fill(ctx, rgba(0,0,0,0));
|
||
|
||
/* Move window to screen center (XXX maybe remove this and do better window placement elsewhere */
|
||
yutani_window_move(yctx, window, yctx->display_width / 2 - window->width / 2, yctx->display_height / 2 - window->height / 2);
|
||
|
||
/* Open a PTY */
|
||
openpty(&fd_master, &fd_slave, NULL, NULL, NULL);
|
||
terminal = fdopen(fd_slave, "w");
|
||
|
||
/* Initialize the terminal buffer and ANSI library for the first time. */
|
||
reinit(0);
|
||
|
||
/* Make sure we're not passing anything to stdin on the child */
|
||
fflush(stdin);
|
||
|
||
/* Fork off child */
|
||
child_pid = fork();
|
||
|
||
if (!child_pid) {
|
||
/* Prepare stdin/out/err */
|
||
dup2(fd_slave, 0);
|
||
dup2(fd_slave, 1);
|
||
dup2(fd_slave, 2);
|
||
|
||
/* Set the TERM environment variable. */
|
||
putenv("TERM=toaru");
|
||
|
||
/* Execute requested initial process */
|
||
if (argv[optind] != NULL) {
|
||
/* Run something specified by the terminal startup */
|
||
char * tokens[] = {argv[optind], NULL};
|
||
execvp(tokens[0], tokens);
|
||
fprintf(stderr, "Failed to launch requested startup application.\n");
|
||
} else {
|
||
/* Run the user's shell */
|
||
char * shell = getenv("SHELL");
|
||
if (!shell) shell = "/bin/sh"; /* fallback */
|
||
char * tokens[] = {shell,NULL};
|
||
execvp(tokens[0], tokens);
|
||
exit(1);
|
||
}
|
||
|
||
/* Failed to start */
|
||
exit_application = 1;
|
||
return 1;
|
||
} else {
|
||
|
||
/* Set up fswait to check Yutani and the PTY master */
|
||
int fds[2] = {fileno(yctx->sock), fd_master};
|
||
|
||
/* PTY read buffer */
|
||
unsigned char buf[1024];
|
||
|
||
while (!exit_application) {
|
||
|
||
/* Wait for something to happen. */
|
||
int index = fswait2(2,fds,200);
|
||
|
||
/* Check if the child application has closed. */
|
||
check_for_exit();
|
||
|
||
if (index == 1) {
|
||
/* Read from PTY */
|
||
maybe_flip_cursor();
|
||
int r = read(fd_master, buf, 1024);
|
||
for (int i = 0; i < r; ++i) {
|
||
ansi_put(ansi_state, buf[i]);
|
||
}
|
||
display_flip();
|
||
} else if (index == 0) {
|
||
/* Handle Yutani events. */
|
||
maybe_flip_cursor();
|
||
handle_incoming();
|
||
} else if (index == 2) {
|
||
/* Timeout, flip the cursor. */
|
||
maybe_flip_cursor();
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Windows will close automatically on exit. */
|
||
return 0;
|
||
}
|