Add more settings, bump version to 0.2.0

.gitignore

@@ -0,0 +1,3 @@
+kterm
+kterm.kpack
+kterm-*.gz

CHANGELOG.md

@@ -1,5 +1,26 @@
 # Changelog
 
+## [0.2.0] - 2025-05-25
+
+### Added
+- Option to append LF or CRLF when sending data
+- Option to configure data bits
+
+### Fixed
+- Properly handle port disconnection
+
+### Changed
+- Check serial driver version at startup
+- Increase UI margins for better appearance with wide-border skins
+- Use system `icons16` instead of embedded icons
+
+## [0.1.1] - 2025-05-12
+
+### Fixed
+
+- Prevent window resize below minimum size
+- Don't send message timestamps
+
 ## [0.1.0] - 2025-05-11
 
 - First release

Makefile

@@ -0,0 +1,21 @@
+VER=$(shell git describe --tags --abbrev=0)
+FASM=fasm
+KPACK=../kpack/linux/kpack
+PKGFILES=kterm kterm.kpack CHANGELOG.md README.md screenshot.png
+PKGNAME=kterm-$(VER).tar.gz
+
+.PHONY: clean all
+
+all: $(PKGNAME)
+
+clean:
+	rm -f kterm kterm.kpack $(PKGNAME)
+
+kterm: kterm.asm
+	$(FASM) $^ $@
+
+kterm.kpack: kterm
+	$(KPACK) $^ $@
+
+$(PKGNAME): $(PKGFILES)
+	tar czf $@ $^

README.md

@@ -4,13 +4,13 @@ Simple serial terminal for KolibriOS.
 
 ![screenshot](screenshot.png)
 
-# Requirements
+## Requirements
 
 - [Fasm](https://flatassembler.net/) 1.7x
 - [Tup](https://gittup.org/tup/) build system (optional)
-- KolibriOS commit `#5593d344cd` or newer
+- KolibriOS commit `#2dfb3ddff3` or newer
 
-# Build instructions
+## Build instructions
 
 1. Clone the KolibriOS repository:
 

kterm.asm

@@ -15,11 +15,17 @@ use32
         dd     (i_end + 0x1000) ; esp
         dd     0, 0             ; I_Param, I_Path
 
-WIN_BORDER_WIDTH = 5
+WIN_MARGIN = 5
+WIN_MIN_WIDTH = 150
+WIN_MIN_HEIGHT = 200
+TOOL_ICON_SIZE = 18
+TOOL_BTN_SIZE = 24 ; width and height
+SEND_BTN_WIDTH = 40
+ED_HEIGHT = 22
 FONT_WIDTH = 8
 FONT_HEIGHT = 16
 SCROLL_WIDTH = 16
-SCROLL_TOP = 34
+SCROLL_TOP = WIN_MARGIN + TOOL_BTN_SIZE + WIN_MARGIN
 RX_BUF_SIZE = 256
 LINE_HEADER_LEN = 11
 PORT_STATUS_LEN = 128
@@ -27,7 +33,11 @@ ED_SEND_MAX_LEN = 256
 
 KEY_ENTER = 13
 
-CONN_WIN_STACK_SIZE = 1024
+IMG_RGB_METADATA_SIZE = 8
+ICON_SIZE_BYTES = TOOL_ICON_SIZE * TOOL_ICON_SIZE * 3
+ICON_SETUP_OFFSET = IMG_RGB_METADATA_SIZE + ICON_SIZE_BYTES * 60
+ICON_CONN_OFFSET = IMG_RGB_METADATA_SIZE + ICON_SIZE_BYTES * 4
+ICON_CLEAR_OFFSET = IMG_RGB_METADATA_SIZE + ICON_SIZE_BYTES * 63
 
 BTN_CLOSE = 1
 BTN_SETUP = 2
@@ -38,8 +48,11 @@ BTN_SEND = 5
 BTN_OK = 2
 BTN_CANCEL = 3
 
-__DEBUG__ = 0
+L_DBG = 0
-__DEBUG_LEVEL__ = 0
+L_ERR = 1
+
+__DEBUG__ = 1
+__DEBUG_LEVEL__ = L_ERR
 
 include '../../proc32.inc'
 include '../../macros.inc'
@@ -48,6 +61,8 @@ include '../../dll.inc'
 include '../../debug-fdo.inc'
 include '../../develop/libraries/box_lib/trunk/box_lib.mac'
 include '../../../drivers/serial/common.inc'
+
+include 'settings.inc'
 include 'textview.inc'
 include 'utils.inc'
 
@@ -57,14 +72,33 @@ start:
         call    serial_port_init
         test    eax, eax
         jnz     @f
+        DEBUGF  L_ERR, "kterm: %s\n", err_driver
         mov     eax, err_driver
         mov     [status_msg], eax
     @@:
-
+        push    0
+        stdcall serial_port_get_version, esp
+        pop     eax
+        DEBUGF  L_DBG, "kterm: serial driver version 0x%x\n", eax
+        shr     eax, 16
+        cmp     ax, SERIAL_COMPATIBLE_API_VER
+        jle     @f
+        mov     eax, err_driver_ver
+        mov     [status_msg], eax
+    @@:
         stdcall dll.Load, @IMPORT
         or      eax, eax
         jnz     .exit
 
+        invoke  img.from_file, icons_file
+        test    eax, eax
+        jz      @f
+        mov     esi, eax
+        invoke  img.to_rgb, esi
+        mov     [icons_rgb], eax
+        invoke  img.destroy, esi
+    @@:
+
         mcall   SF_SET_EVENTS_MASK, EVM_MOUSE + EVM_REDRAW + EVM_BUTTON + EVM_KEY
 
         mov     byte [ed_send_val], 0
@@ -76,7 +110,7 @@ start:
         cmp     [is_connected], 0
         jz      @f
         mov     eax, SF_WAIT_EVENT_TIMEOUT
-        mov     ebx, 100
+        mov     ebx, 10
     @@:
         mcall
         cmp     eax, EV_REDRAW
@@ -111,7 +145,7 @@ start:
     @@:
         cmp     ah, BTN_SETUP
         jne     @f
-        call    show_conn_window
+        call    show_settings_win
         jmp     .loop
     @@:
         cmp     ah, BTN_CLEAR
@@ -148,12 +182,6 @@ start:
         mcall   SF_STYLE_SETTINGS, SSF_GET_COLORS, sc, sizeof.system_colors
         mcall   SF_REDRAW, SSF_BEGIN_DRAW
 
-        ; fill palette for icons
-        mov     eax, [sc.work_text]
-        mov     [icons.palette], eax
-        mov     eax, [sc.work_light]
-        mov     [icons.palette + 4], eax
-
         mov     edx, [sc.work]
         or      edx, 0x33000000
         xor     esi, esi
@@ -162,42 +190,82 @@ start:
 
         mcall   SF_THREAD_INFO, pi, -1
 
-        ; TODO limit minimum window size
-
         ; prevent drawing if the window is collapsed
         test    [pi.wnd_state], 0x04
         jnz     .end_redraw
 
-        mcall   SF_DEFINE_BUTTON, <1, 24>, <5, 24>, BTN_SETUP, [sc.work_light]
+        ; prevent resize if smaller
-        mcall   SF_DEFINE_BUTTON, <30, 24>, <5, 24>, BTN_CONN, [sc.work_light]
+        xor     eax, eax
-        mcall   SF_DEFINE_BUTTON, <59, 24>, <5, 24>, BTN_CLEAR, [sc.work_light]
+        mov     ebx, [pi.box.width]
+        mov     ecx, [pi.box.height]
+        mov     edx, [pi.client_box.width]
+        mov     esi, [pi.client_box.height]
+        sub     ebx, edx
+        sub     ecx, esi
 
-        mcall   SF_PUT_IMAGE_EXT, icons, <20, 20>, <3, 7>, 1, icons.palette, 0
+        cmp     edx, WIN_MIN_WIDTH
-        mcall   SF_PUT_IMAGE_EXT, icons + 180, <20, 20>, <61, 7>, 1, icons.palette, 0
+        jae     .width_ok
+        inc     eax
+        mov     edx, WIN_MIN_WIDTH
+    .width_ok:
+        add     edx, ebx
 
-        mov     ebx, icons + 60 ; disconnected icon
+        cmp     esi, WIN_MIN_HEIGHT
-        mov     al, [is_connected]
+        jae     .height_ok
-        test    al, al
+        inc     eax
+        mov     esi, WIN_MIN_HEIGHT
+    .height_ok:
+        add     esi, ecx
+        test    eax, eax
         jz      @f
-        add     ebx, 60 ; connected icon
+        mcall   SF_CHANGE_WINDOW, -1, -1
+        jmp     .end_redraw
     @@:
-        mcall   SF_PUT_IMAGE_EXT, , <20, 20>, <32, 7>, 1, icons.palette, 0
+
+        mcall   SF_DEFINE_BUTTON, <WIN_MARGIN, TOOL_BTN_SIZE>, \
+                                  <WIN_MARGIN, TOOL_BTN_SIZE>, \
+                                  BTN_SETUP, 0xffffff
+        mcall   SF_DEFINE_BUTTON, <WIN_MARGIN * 2 + TOOL_BTN_SIZE, TOOL_BTN_SIZE>, \
+                                  <WIN_MARGIN, TOOL_BTN_SIZE>, \
+                                  BTN_CONN, 0xffffff
+        mcall   SF_DEFINE_BUTTON, <WIN_MARGIN * 3 + TOOL_BTN_SIZE * 2, TOOL_BTN_SIZE>, \
+                                  <WIN_MARGIN, TOOL_BTN_SIZE>, \
+                                  BTN_CLEAR, 0xffffff
+
+        mov     ebx, [icons_rgb]
+        test    ebx, ebx
+        jz      .no_icons
+
+        add     ebx, ICON_SETUP_OFFSET
+        mcall   SF_PUT_IMAGE, , <TOOL_ICON_SIZE, TOOL_ICON_SIZE>, \
+                                <WIN_MARGIN + 3, WIN_MARGIN + 3>
+        mov     ebx, [icons_rgb]
+        add     ebx, ICON_CONN_OFFSET
+        mcall   SF_PUT_IMAGE, , <TOOL_ICON_SIZE, TOOL_ICON_SIZE>, \
+                                <WIN_MARGIN * 2 + TOOL_BTN_SIZE + 3, WIN_MARGIN + 3>
+        mov     ebx, [icons_rgb]
+        add     ebx, ICON_CLEAR_OFFSET
+        mcall   SF_PUT_IMAGE, , <TOOL_ICON_SIZE, TOOL_ICON_SIZE>, \
+                                <WIN_MARGIN * 3 + TOOL_BTN_SIZE * 2 + 3, WIN_MARGIN + 3>
+    .no_icons:
 
         ; text view
-        mov     eax, [sc.work_light]
+        mov     eax, 0xffffff
         mov     [text_view.bg_color], eax
-        mov     eax, [sc.work_text]
+        mov     eax, [sc.work_graph]
         mov     [text_view.fg_color], eax
+        mov     eax, [sc.work_text]
+        mov     [text_view.text_color], eax
 
-        xor     eax, eax
+        mov     eax, WIN_MARGIN
         mov     [text_view.left], eax
-        add     eax, SCROLL_TOP
+        mov     eax, SCROLL_TOP
         mov     [text_view.top], eax
         mov     eax, [pi.client_box.width]
-        sub     eax, SCROLL_WIDTH + 4
+        sub     eax, SCROLL_WIDTH + WIN_MARGIN * 2 - 1
         mov     [text_view.width], eax
         mov     eax, [pi.client_box.height]
-        sub     eax, 2 * FONT_HEIGHT + WIN_BORDER_WIDTH + 14 + SCROLL_TOP
+        sub     eax, FONT_HEIGHT + ED_HEIGHT + WIN_MARGIN * 4 + SCROLL_TOP
         mov     [text_view.height], eax
         stdcall text_view_draw, text_view
 
@@ -205,19 +273,19 @@ start:
 
         mov     [vscroll.all_redraw], 1
 
-        mov     eax, [sc.work]
+        mov     eax, [sc.work_light]
         mov     [vscroll.bg_color], eax
-        mov     eax, [sc.work_button]
+        mov     eax, [sc.work_light]
         mov     [vscroll.front_color], eax
-        mov     eax, [sc.work_text]
+        mov     eax, [sc.work_graph]
         mov     [vscroll.line_color], eax
         mov     [vscroll.type], 0
 
         mov     eax, [pi.client_box.width]
-        sub     eax, SCROLL_WIDTH + 2
+        sub     eax, SCROLL_WIDTH + WIN_MARGIN
         mov     [vscroll.x_pos], ax
         mov     eax, [pi.client_box.height]
-        sub     eax, 2 * FONT_HEIGHT + WIN_BORDER_WIDTH + 14 + SCROLL_TOP
+        sub     eax, FONT_HEIGHT + ED_HEIGHT + WIN_MARGIN * 4 + SCROLL_TOP
         mov     [vscroll.y_size], ax
 
         call    update_vscroll
@@ -227,43 +295,46 @@ start:
 
         edit_boxes_set_sys_color main_win_edits_start, main_win_edits_end, sc
         mov     eax, [pi.client_box.width]
-        sub     eax, 46
+        sub     eax, SEND_BTN_WIDTH + WIN_MARGIN * 3
         mov     [ed_send.width], eax
         mov     eax, [pi.client_box.height]
-        sub     eax, 2 * FONT_HEIGHT + WIN_BORDER_WIDTH + 10
+        sub     eax, FONT_HEIGHT + ED_HEIGHT + WIN_MARGIN * 3
         mov     [ed_send.top], eax
         invoke  edit_box_draw, ed_send
 
         mov     ebx, [pi.client_box.width]
-        sub     ebx, 42
+        sub     ebx, SEND_BTN_WIDTH + WIN_MARGIN
         shl     ebx, 16
-        add     ebx, 40
+        add     ebx, SEND_BTN_WIDTH
         mov     ecx, [pi.client_box.height]
-        sub     ecx, 2 * FONT_HEIGHT + WIN_BORDER_WIDTH + 10
+        sub     ecx, FONT_HEIGHT + ED_HEIGHT + WIN_MARGIN * 3
         shl     ecx, 16
-        add     ecx, FONT_HEIGHT + 4
+        add     ecx, FONT_HEIGHT + 5
         mcall   SF_DEFINE_BUTTON, , , BTN_SEND, [sc.work_button]
 
         add     ebx, 4 shl 16
         mov     bx, word [pi.client_box.height]
-        sub     bx, 2 * FONT_HEIGHT + WIN_BORDER_WIDTH + 7
+        sub     bx, FONT_HEIGHT + ED_HEIGHT + WIN_MARGIN * 3 - 4
         mov     ecx, 0x90000000
         or      ecx, [sc.work_button_text]
         mcall   SF_DRAW_TEXT, , , send_label
 
         ; status bar
 
-        mov	    ebx, [pi.client_box.width]
+        mov     ebx, WIN_MARGIN shl 16
+        add	    ebx, [pi.client_box.width]
+        sub     ebx, WIN_MARGIN + 1
         mov     edx, [pi.client_box.height]
-        sub     edx, FONT_HEIGHT + WIN_BORDER_WIDTH
+        sub     edx, FONT_HEIGHT + WIN_MARGIN * 2
         mov     ecx, edx
         shl     ecx, 16
         mov     cx, dx
         mov     edx, [sc.work_graph]
         mcall   SF_DRAW_LINE
 
-        mov     ebx, [pi.client_box.height]
+        mov     ebx, WIN_MARGIN shl 16
-        sub     ebx, FONT_HEIGHT
+        add     ebx, [pi.client_box.height]
+        sub     ebx, FONT_HEIGHT + WIN_MARGIN
         mov     ecx, 0x90000000
         or      ecx, [sc.work_text]
         mov     edx, [status_msg]
@@ -273,134 +344,6 @@ start:
         mcall   SF_REDRAW, SSF_END_DRAW
         ret
 
-CONN_WIN_WIDTH = 200
-CONN_WIN_HEIGHT = 250
-proc show_conn_window
-        cmp     [is_conn_win_opened], 1
-        jne     @f
-        mcall   SF_SYSTEM, SSF_GET_THREAD_SLOT, [conn_win_pid]
-        xchg    eax, ecx
-        mcall   SF_SYSTEM, SSF_FOCUS_WINDOW
-        ret
-    @@:
-        mcall   SF_CREATE_THREAD, 1, .thread, conn_win_stack + CONN_WIN_STACK_SIZE
-        cmp     eax, -1
-        je      @f
-        mov     [conn_win_pid], eax
-        mov     [is_conn_win_opened], 1
-    @@:
-        ret
-    .thread:
-        mcall   SF_SET_EVENTS_MASK, EVM_MOUSE + EVM_MOUSE_FILTER + EVM_REDRAW + EVM_BUTTON + EVM_KEY
-
-        mov     eax, [port_num]
-        mov     ecx, 10
-        mov     edi, ed_port_val
-        call    int_to_str
-        and     byte [edi], 0
-        mov     esi, ed_port_val
-        call    strlen
-        mov     [ed_port.size], eax
-        mov     [ed_port.pos], eax
-
-        mov     eax, [port_conf + 4]
-        mov     ecx, 10
-        mov     edi, ed_baud_val
-        call    int_to_str
-        and     byte [edi], 0
-        mov     esi, ed_baud_val
-        call    strlen
-        mov     [ed_baud.size], eax
-
-        call    .draw_window
-    .loop:
-        mcall   SF_WAIT_EVENT
-        dec     eax
-        jz      .win
-        dec     eax
-        jz      .key
-        dec     eax
-        jz      .btn
-        invoke  edit_box_mouse, ed_port
-        invoke  edit_box_mouse, ed_baud
-        jmp     .loop
-    .win:
-        call    .draw_window
-        jmp     .loop
-    .key:
-        mcall   SF_GET_KEY
-        invoke  edit_box_key, ed_port
-        invoke  edit_box_key, ed_baud
-        jmp     .loop
-    .btn:
-        mcall   SF_GET_BUTTON
-        cmp     ah, BTN_OK
-        jne     @f
-        mov     esi, ed_port_val
-        call    str_to_uint
-        mov     [port_num], ebx
-        mov     esi, ed_baud_val
-        call    str_to_uint
-        mov     [port_conf + 4], ebx
-    @@:
-        and     [is_conn_win_opened], 0
-        mcall   SF_TERMINATE_PROCESS
-
-    .draw_window:
-        mcall   SF_REDRAW, SSF_BEGIN_DRAW
-
-        mov     edx, [sc.work]
-        or      edx, 0x34000000
-        mov     esi, [sc.work]
-        mov     edi, conn_win_name
-
-        mov     ebx, [pi.box.width]
-        shr     ebx, 1
-        add     ebx, [pi.box.left]
-        sub     ebx, CONN_WIN_WIDTH / 2
-        shl     ebx, 16
-        add     ebx, CONN_WIN_WIDTH
-
-        mov     ecx, [pi.box.height]
-        shr     ecx, 1
-        add     ecx, [pi.box.top]
-        sub     ecx, CONN_WIN_HEIGHT / 2
-        shl     ecx, 16
-        add     ecx, CONN_WIN_HEIGHT
-
-        mcall   SF_CREATE_WINDOW
-
-        mov     ecx, 0x90000000
-        or      ecx, [sc.work_text]
-        mov     edx, port_label
-        mcall   SF_DRAW_TEXT, <0, 13>
-        mov     edx, baud_label
-        mcall   SF_DRAW_TEXT, <0, 45>
-
-        edit_boxes_set_sys_color conn_win_edits_start, conn_win_edits_end, sc
-        invoke  edit_box_draw, ed_port
-        invoke  edit_box_draw, ed_baud
-
-        mcall   SF_DEFINE_BUTTON, <CONN_WIN_WIDTH - 137, 60>, \
-                                  <CONN_WIN_HEIGHT - 55, 24>, BTN_OK, \
-                                  [sc.work_button]
-
-        mcall   SF_DEFINE_BUTTON, <CONN_WIN_WIDTH - 71, 60>, \
-                                  <CONN_WIN_HEIGHT - 55, 24>, BTN_CANCEL, \
-                                  [sc.work_button]
-
-        mov     ecx, 0x90000000
-        or      ecx, [sc.work_button_text]
-        mcall   SF_DRAW_TEXT, <CONN_WIN_WIDTH - 114, CONN_WIN_HEIGHT - 50>, , ok_label
-
-        mov     ecx, 0x90000000
-        or      ecx, [sc.work_button_text]
-        mcall   SF_DRAW_TEXT, <CONN_WIN_WIDTH - 65, CONN_WIN_HEIGHT - 50>, , cancel_label
-
-        mcall   SF_REDRAW, SSF_END_DRAW
-        ret
-endp
-
 proc send_text
         ; check for empty string
         cmp     byte [ed_send_val], 0
@@ -410,11 +353,15 @@ proc send_text
         or      eax, 1
         mov     edi, ed_send_header
         call    make_line_header
-        mov     esi, ed_send_header
+        mov     esi, ed_send_val
         call    strlen
+        call    .append_ending
         mov     [tx_buf_cnt], eax
-        stdcall serial_port_write, [port_handle], ed_send_header, tx_buf_cnt
+        stdcall serial_port_write, [port_handle], ed_send_val, tx_buf_cnt
         ; TODO check for errors and actual size of written data
+        mov     esi, ed_send_val
+        call    escape_chars
+        mov     byte [esi], 0
         stdcall text_view_append_line, text_view, ed_send_header, TV_FLAG_AUTOSCROLL
         xor     eax, eax
         push    eax
@@ -426,6 +373,22 @@ proc send_text
         invoke  scrollbar_draw, vscroll
     .exit:
         ret
+
+    .append_ending:
+        cmp     [text_append], SETTINGS_APPEND_NONE
+        je      .nothing
+        cmp     [text_append], SETTINGS_APPEND_LF
+        je      .append_lf
+        mov     byte [esi], 0x0d
+        inc     esi
+        inc     eax
+    .append_lf:
+        mov     byte [esi], 0x0a
+        inc     esi
+        inc     eax
+    .nothing:
+        mov     byte [esi], 0
+        ret
 endp
 
 proc update_vscroll
@@ -444,7 +407,7 @@ proc btn_conn_click
         lea     eax, [port_conf]
         lea     ebx, [port_handle]
         stdcall serial_port_open, [port_num], eax, ebx
-        mov     [status_msg], status_ver
+        mov     [status_msg], noconn_msg
         test    eax, eax
         jz      .opened
         mov     [status_msg], err_port
@@ -460,7 +423,8 @@ proc btn_conn_click
         jmp     .exit
     .opened:
         mov     [is_connected], 1
-        mov     esi, port_label
+        ; make string for status
+        mov     esi, port_lbl
         mov     edi, port_status
         mov     ecx, 4
         cld
@@ -470,19 +434,22 @@ proc btn_conn_click
         call    int_to_str
         mov     al, ' '
         stosb
-        mov     eax, [port_conf + 4]
+        mov     eax, [port_conf + SP_CONF.baudrate]
         mov     ecx, 10
         call    int_to_str
-        mov     eax, ' 8n1'
+        mov     al, ' '
-        stosd
-        xor     al, al
         stosb
+        mov     al, [port_conf + SP_CONF.word_size]
+        add     al, '0'
+        stosb
+        mov     eax, 'n1'
+        stosd
         mov     [status_msg], port_status
         jmp     .exit
     .close:
         stdcall serial_port_close, [port_handle]
         and     [is_connected], 0
-        mov     [status_msg], status_ver
+        mov     [status_msg], noconn_msg
     .exit:
         ret
 endp
@@ -490,12 +457,13 @@ endp
 proc check_port
         mov     [rx_buf_cnt], RX_BUF_SIZE - 1
         stdcall serial_port_read, [port_handle], rx_buf, rx_buf_cnt
-        ; TODO check eax for errors
-        mov     eax, [rx_buf_cnt]
         test    eax, eax
+        jnz     .error
+        mov     ecx, [rx_buf_cnt]
+        test    ecx, ecx
         jz      .exit
-        ; TODO escape non-print chars
+        mov     esi, rx_buf
-        lea     esi, [rx_buf + eax]
+        call    escape_chars
         mov     byte [esi], 0
         xor     eax, eax
         mov     edi, rx_header
@@ -504,52 +472,22 @@ proc check_port
         stdcall text_view_draw, text_view
         call    update_vscroll
         invoke  scrollbar_draw, vscroll
+        jmp     .exit
+    .error:
+        ; the port was closed
+        mov     eax, noconn_msg
+        mov     [status_msg], eax
+        mov     [is_connected], 0
+        call    start.draw_window ; TODO redraw status only
     .exit:
         ret
 endp
 
-proc make_line_header
-; eax = 0 - rx, 1 - tx
-; edi = dest buf
-        push    eax
-        mcall   SF_GET_SYS_TIME
-        mov     ebx, eax
-        mov     ecx, 3
-        ; BCD timestamp to string
-    .loop:
-        mov     al, bl
-        shr     al, 4
-        add     al, '0'
-        stosb
-        mov     al, bl
-        and     al, 0x0f
-        add     al, '0'
-        stosb
-        dec     ecx
-        jz      .done
-        mov     al, ':'
-        stosb
-        shr     ebx, 8
-        jmp     .loop
-    .done:
-        mov     al, ' '
-        stosb
-        mov     al, '<'
-        pop     ebx
-        test    ebx, ebx
-        jz      @f
-        mov     al, '>'
-    @@:
-        stosb
-        mov     al, ' '
-        stosb
-        ret
-endp
-
 align 16
 @IMPORT:
 
-library box_lib, 'box_lib.obj'
+library box_lib, 'box_lib.obj',\
+        libimg,  'libimg.obj'
 
 import  box_lib,\
         edit_box_draw,          'edit_box_draw',\
@@ -557,19 +495,20 @@ import  box_lib,\
         edit_box_mouse,         'edit_box_mouse',\
         edit_box_set_text,      'edit_box_set_text',\
         scrollbar_draw,         'scrollbar_v_draw',\
-        scrollbar_mouse,        'scrollbar_v_mouse'
+        scrollbar_mouse,        'scrollbar_v_mouse',\
+        option_box_draw,        'option_box_draw',\
+        option_box_mouse,       'option_box_mouse'
+
+import  libimg,\
+        libimg.init,            'lib_init',\
+        img.from_file,          'img_from_file',\
+        img.to_rgb,             'img_to_rgb',\
+        img.destroy,            'img_destroy'
+
 
-conn_win_edits_start:
-ed_port         edit_box 80, CONN_WIN_WIDTH - 80 - 11, 10, 0xffffff, 0x6f9480, \
-                         0, 0, 0x10000000, 6, ed_port_val, mouse_dd, \
-                         ed_focus + ed_figure_only
-ed_baud         edit_box 80, CONN_WIN_WIDTH - 80 - 11, 42, 0xffffff, 0x6f9480, \
-                         0, 0, 0x10000000, 6, ed_baud_val, mouse_dd, \
-                         ed_figure_only
-conn_win_edits_end:
 main_win_edits_start:
-ed_send         edit_box 0, 0, 0, 0xffffff, 0x6f9480, \
+ed_send         edit_box 0, WIN_MARGIN, 0, 0xffffff, 0x6f9480, \
-                         0, 0, 0x10000000, ED_SEND_MAX_LEN - 1, ed_send_val, mouse_dd, \
+                         0, 0, 0x10000000, ED_SEND_MAX_LEN - 3, ed_send_val, mouse_dd, \
                          ed_focus + ed_always_focus, 0, 0
 main_win_edits_end:
 
@@ -577,67 +516,43 @@ vscroll         scrollbar SCROLL_WIDTH, 0, 0, SCROLL_TOP, SCROLL_WIDTH, 0, 0, 0,
 text_view       TEXT_VIEW
 
 is_connected    db 0
-is_conn_win_opened db 0
+app_name        db 'kterm v0.2.0', 0
-app_name        db 'kterm', 0
-conn_win_name   db 'Settings', 0
-port_label      db 'Port:', 0
-baud_label      db 'Baud:', 0
-ok_label        db 'Ok', 0
-cancel_label    db 'Cancel', 0
 send_label      db 'Send', 0
-status_msg      dd status_ver
+noconn_msg      db 'Not connected', 0
-status_ver      db 'v0.1.0', 0
+icons_file      db '/sys/icons16.png', 0
-err_port        db 'Invalid serial port.', 0
+err_port        db 'Invalid serial port', 0
-err_busy        db 'The port is already in use.', 0
+err_busy        db 'The port is already in use', 0
-err_conf        db 'Invalid port configuration.', 0
+err_conf        db 'Invalid port configuration', 0
-err_unknown     db 'An unknown error occured.', 0
+err_unknown     db 'An unknown error occured', 0
-err_driver      db 'Error loading driver serial.sys.', 0
+err_driver      db 'Error loading driver serial.sys', 0
+err_driver_ver  db 'Error serial driver version', 0
+
+align 4
+status_msg      dd noconn_msg
 port_num        dd 0
+icons_rgb       dd 0
 port_conf:
         dd      port_conf_end - port_conf
         dd      9600
-        db      8, 1, SERIAL_CONF_PARITY_NONE, SERIAL_CONF_FLOW_CTRL_NONE
+        db      8, SERIAL_CONF_STOP_BITS_1, SERIAL_CONF_PARITY_NONE, SERIAL_CONF_FLOW_CTRL_NONE
 port_conf_end:
+text_append     db SETTINGS_APPEND_LF
+
+IncludeIGlobals
 
-if __DEBUG__ eq 1
 include_debug_strings
-end if
-
-; https://javl.github.io/image2cpp/
-icons:
-    ; 'icons', 20x80px
-    db 0xff, 0xff, 0xf0, 0xfc, 0x7f, 0xf0, 0xf8, 0x3f, 0xf0, 0xf8, 0x1f, 0xf0, 0xfe, 0x1f, 0xf0, 0xdf
-    db 0x1f, 0xf0, 0x8e, 0x1f, 0xf0, 0xa4, 0x3f, 0xf0, 0x90, 0x1f, 0xf0, 0xc8, 0x0f, 0xf0, 0xe0, 0x07
-    db 0xf0, 0xfe, 0x43, 0xf0, 0xff, 0x21, 0xf0, 0xff, 0x90, 0xf0, 0xff, 0xc8, 0x70, 0xff, 0xe4, 0x30
-    db 0xff, 0xf0, 0x70, 0xff, 0xf8, 0xf0, 0xff, 0xfd, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff
-    db 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xfe, 0xf7, 0xf0, 0xfc, 0xf3, 0xf0, 0xf8, 0xf1
-    db 0xf0, 0xf8, 0xf1, 0xf0, 0xf0, 0x78, 0xf0, 0x80, 0x78, 0x10, 0x80, 0x78, 0x10, 0xf0, 0x78, 0xf0
-    db 0xf8, 0xf1, 0xf0, 0xf8, 0xf1, 0xf0, 0xfc, 0xf3, 0xf0, 0xfe, 0xf7, 0xf0, 0xff, 0xff, 0xf0, 0xff
-    db 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff
-    db 0xf0, 0xff, 0xff, 0xf0, 0xff, 0x9f, 0xf0, 0xff, 0x0f, 0xf0, 0xfe, 0x07, 0xf0, 0xfe, 0x07, 0xf0
-    db 0xfc, 0x03, 0xf0, 0x80, 0x00, 0x10, 0x80, 0x00, 0x10, 0xfc, 0x03, 0xf0, 0xfe, 0x07, 0xf0, 0xfe
-    db 0x07, 0xf0, 0xff, 0x0f, 0xf0, 0xff, 0x9f, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff
-    db 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xe3, 0xf0
-    db 0xff, 0xc9, 0xf0, 0xff, 0x9c, 0xf0, 0xff, 0x3e, 0x70, 0xfe, 0x7f, 0x70, 0xfc, 0x7f, 0x70, 0xf9
-    db 0x3e, 0x70, 0xf3, 0x9c, 0xf0, 0xe7, 0xc9, 0xf0, 0xef, 0xe3, 0xf0, 0xe7, 0xe7, 0xf0, 0xf3, 0xcf
-    db 0xf0, 0xf9, 0x9f, 0xf0, 0xfc, 0x00, 0x70, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xf0
-.palette:
-    dd 0xffffff
-    dd 0x000000
 
+align 4
 i_end:
-ed_port_val     rb 7
+IncludeUGlobals
-ed_baud_val     rb 7
+mouse_dd        dd ?
+port_handle     dd ?
+rx_buf_cnt      dd ?
+tx_buf_cnt      dd ?
 ed_send_header  rb LINE_HEADER_LEN
 ed_send_val     rb ED_SEND_MAX_LEN
-mouse_dd        dd ?
-conn_win_pid    dd ?
-port_handle     dd ?
 port_status     rb PORT_STATUS_LEN
 rx_header       rb LINE_HEADER_LEN
 rx_buf          rb RX_BUF_SIZE
-rx_buf_cnt      dd ?
-tx_buf_cnt      dd ?
 sc              system_colors
 pi              process_information
-conn_win_stack  rb CONN_WIN_STACK_SIZE

settings.inc

@@ -0,0 +1,277 @@
+; Copyright (C) KolibriOS team 2025. All rights reserved.
+; Distributed under terms of the GNU General Public License
+;
+; GNU GENERAL PUBLIC LICENSE
+; Version 2, June 1991
+
+SETTINGS_WIN_STACK_SIZE = 1024
+SETTINGS_WIN_WIDTH = 350
+SETTINGS_WIN_HEIGHT = 250
+
+SETTINGS_BTN_WIDTH = 60
+SETTINGS_BTN_HEIGHT = 24
+
+OPT_HEIGHT = 10
+COL2 = 190
+
+SETTINGS_APPEND_NONE = 0
+SETTINGS_APPEND_LF = 1
+SETTINGS_APPEND_CRLF = 2
+
+proc show_settings_win
+        cmp     [settings_is_win_opened], 1
+        jne     @f
+        mcall   SF_SYSTEM, SSF_GET_THREAD_SLOT, [settings_win_pid]
+        xchg    eax, ecx
+        mcall   SF_SYSTEM, SSF_FOCUS_WINDOW
+        ret
+    @@:
+        mcall   SF_CREATE_THREAD, 1, .thread, settings_win_stack + SETTINGS_WIN_STACK_SIZE
+        cmp     eax, -1
+        je      @f
+        mov     [settings_win_pid], eax
+        mov     [settings_is_win_opened], 1
+    @@:
+        ret
+    .thread:
+        mcall   SF_SET_EVENTS_MASK, EVM_MOUSE + EVM_MOUSE_FILTER + EVM_REDRAW + EVM_BUTTON + EVM_KEY
+        call    settings_load
+        call    .draw_window
+    .loop:
+        mcall   SF_WAIT_EVENT
+        dec     eax
+        jz      .win
+        dec     eax
+        jz      .key
+        dec     eax
+        jz      .btn
+    .mouse:
+        invoke  edit_box_mouse, ed_port
+        invoke  edit_box_mouse, ed_baud
+        invoke  edit_box_mouse, ed_bits
+        invoke  option_box_mouse, op_append
+        jmp     .loop
+    .win:
+        call    .draw_window
+        jmp     .loop
+    .key:
+        mcall   SF_GET_KEY
+        invoke  edit_box_key, ed_port
+        invoke  edit_box_key, ed_baud
+        invoke  edit_box_key, ed_bits
+        jmp     .loop
+    .btn:
+        mcall   SF_GET_BUTTON
+        cmp     ah, BTN_OK
+        jne     @f
+        call    settings_save
+    @@:
+        and     [settings_is_win_opened], 0
+        mcall   SF_TERMINATE_PROCESS
+
+    .draw_window:
+        mcall   SF_REDRAW, SSF_BEGIN_DRAW
+
+        mov     edx, [sc.work]
+        or      edx, 0x34000000
+        mov     esi, [sc.work]
+        mov     edi, settings_win_name
+
+        mov     ebx, [pi.box.width]
+        shr     ebx, 1
+        add     ebx, [pi.box.left]
+        sub     ebx, SETTINGS_WIN_WIDTH / 2
+        shl     ebx, 16
+        add     ebx, SETTINGS_WIN_WIDTH
+
+        mov     ecx, [pi.box.height]
+        shr     ecx, 1
+        add     ecx, [pi.box.top]
+        sub     ecx, SETTINGS_WIN_HEIGHT / 2
+        shl     ecx, 16
+        add     ecx, SETTINGS_WIN_HEIGHT
+
+        mcall   SF_CREATE_WINDOW
+        mcall   SF_THREAD_INFO, s_pi, -1
+
+        ; prevent drawing if the window is collapsed
+        test    [s_pi.wnd_state], 0x04
+        jnz     .end_redraw
+
+        mov     ecx, 0x90000000
+        or      ecx, [sc.work_text]
+        mcall   SF_DRAW_TEXT, <WIN_MARGIN, WIN_MARGIN + 2>, , port_conf_lbl
+
+        add     ebx, WIN_MARGIN * 2 + FONT_HEIGHT
+        mcall   SF_DRAW_TEXT, , , port_lbl
+        mov     word [ed_port.top], bx
+
+        add     ebx, WIN_MARGIN + ED_HEIGHT
+        mcall   SF_DRAW_TEXT, , , baud_lbl
+        mov     word [ed_baud.top], bx
+
+        add     ebx, WIN_MARGIN + ED_HEIGHT
+        mcall   SF_DRAW_TEXT, , , bits_lbl
+        mov     word [ed_bits.top], bx
+
+        mcall   SF_DRAW_TEXT, <COL2, WIN_MARGIN + 2>, , tx_text_lbl
+
+
+        edit_boxes_set_sys_color settings_win_edits_start, settings_win_edits_end, sc
+        invoke  edit_box_draw, ed_port
+        invoke  edit_box_draw, ed_baud
+        invoke  edit_box_draw, ed_bits
+        option_boxes_set_sys_color sc, op_append
+        invoke  option_box_draw, op_append
+
+        mov     ebx, WIN_MARGIN shl 16
+        add	    ebx, [s_pi.client_box.width]
+        sub     ebx, WIN_MARGIN + 1
+        mov     edx, [s_pi.client_box.height]
+        sub     edx, SETTINGS_BTN_HEIGHT + WIN_MARGIN * 2
+        mov     ecx, edx
+        shl     ecx, 16
+        mov     cx, dx
+        mov     edx, [sc.work_graph]
+        mcall   SF_DRAW_LINE
+
+        mov     ebx, [s_pi.client_box.width]
+        sub     ebx, (SETTINGS_BTN_WIDTH + WIN_MARGIN) * 2
+        shl     ebx, 16
+        add     ebx, SETTINGS_BTN_WIDTH
+        mov     ecx, [s_pi.client_box.height]
+        sub     ecx, SETTINGS_BTN_HEIGHT + WIN_MARGIN
+        shl     ecx, 16
+        add     ecx, SETTINGS_BTN_HEIGHT
+        mcall   SF_DEFINE_BUTTON, , , BTN_OK, [sc.work_button]
+
+        push    ebx ecx
+        add     ebx, 24 shl 16
+        mov     bx, word [s_pi.client_box.height]
+        sub     bx, SETTINGS_BTN_HEIGHT + WIN_MARGIN - 5
+        mov     ecx, 0x90000000
+        or      ecx, [sc.work_button_text]
+        mcall   SF_DRAW_TEXT, , , ok_lbl
+        pop     ecx ebx
+
+        add     ebx, (SETTINGS_BTN_WIDTH + WIN_MARGIN) shl 16
+        mcall   SF_DEFINE_BUTTON, , , BTN_CANCEL, [sc.work_button]
+
+        add     ebx, 8 shl 16
+        mov     bx, word [s_pi.client_box.height]
+        sub     bx, SETTINGS_BTN_HEIGHT + WIN_MARGIN - 5
+        mov     ecx, 0x90000000
+        or      ecx, [sc.work_button_text]
+        mcall   SF_DRAW_TEXT, , , cancel_lbl
+
+    .end_redraw:
+        mcall   SF_REDRAW, SSF_END_DRAW
+        ret
+endp
+
+proc settings_load
+        mov     eax, [port_num]
+        mov     ecx, 10
+        mov     edi, ed_port_val
+        call    int_to_str
+        and     byte [edi], 0
+        mov     esi, ed_port_val
+        call    strlen
+        mov     [ed_port.size], eax
+        mov     [ed_port.pos], eax
+
+        mov     eax, [port_conf + SP_CONF.baudrate]
+        mov     ecx, 10
+        mov     edi, ed_baud_val
+        call    int_to_str
+        and     byte [edi], 0
+        mov     esi, ed_baud_val
+        call    strlen
+        mov     [ed_baud.size], eax
+
+        mov     al, [port_conf + SP_CONF.word_size]
+        add     al, '0'
+        mov     [ed_bits_val], al
+        mov     [ed_bits_val + 1], 0
+        mov     [ed_bits.size], 1
+
+        mov     al, [text_append]
+        mov     ebx, opt_append_none
+        cmp     al, SETTINGS_APPEND_NONE
+        je      .opt_append_ok
+        mov     ebx, opt_append_lf
+        cmp     al, SETTINGS_APPEND_LF
+        je      .opt_append_ok
+        mov     ebx, opt_append_crlf
+    .opt_append_ok:
+        mov     [op_append_val], ebx
+        ret
+endp
+
+proc settings_save
+        mov     esi, ed_port_val
+        call    str_to_uint
+        mov     [port_num], ebx
+
+        mov     esi, ed_baud_val
+        call    str_to_uint
+        mov     [port_conf + SP_CONF.baudrate], ebx
+
+        mov     al, [ed_bits_val]
+        sub     al, '0'
+        mov     [port_conf + SP_CONF.word_size], al
+
+        mov     eax, [op_append_val]
+        mov     bl, SETTINGS_APPEND_NONE
+        cmp     eax, opt_append_none
+        je      .opt_append_ok
+        mov     bl, SETTINGS_APPEND_LF
+        cmp     eax, opt_append_lf
+        je      .opt_append_ok
+        mov     bl, SETTINGS_APPEND_CRLF
+    .opt_append_ok:
+        mov     [text_append], bl
+        ret
+endp
+
+iglobal
+settings_is_win_opened db 0
+settings_win_edits_start:
+ed_port         edit_box 70, 100, WIN_MARGIN, 0xffffff, 0x6f9480, \
+                         0, 0, 0x10000000, 6, ed_port_val, mouse_dd, \
+                         ed_focus + ed_figure_only
+ed_baud         edit_box 70, 100, WIN_MARGIN * 2 + ED_HEIGHT, 0xffffff, 0x6f9480, \
+                         0, 0, 0x10000000, 6, ed_baud_val, mouse_dd, \
+                         ed_figure_only
+ed_bits         edit_box 40, 100, WIN_MARGIN * 3 + ED_HEIGHT * 2, 0xffffff, 0x6f9480, \
+                         0, 0, 0x10000000, 1, ed_bits_val, mouse_dd, \
+                         ed_figure_only
+settings_win_edits_end:
+opt_append_none     option_box op_append_val, COL2, WIN_MARGIN * 2 + FONT_HEIGHT, 6, 12, 0, 0, 0, opt_lbl_nothing, 14
+opt_append_lf       option_box op_append_val, COL2, WIN_MARGIN * 3 + OPT_HEIGHT+ FONT_HEIGHT, 6, 12, 0, 0, 0, opt_lbl_lf, 9
+opt_append_crlf     option_box op_append_val, COL2, WIN_MARGIN * 4 + OPT_HEIGHT * 2+ FONT_HEIGHT, 6, 12, 0, 0, 0, opt_lbl_crlf, 11
+op_append           dd opt_append_none, opt_append_lf, opt_append_crlf, 0
+
+settings_win_name   db 'kterm - settings', 0
+port_conf_lbl       db 'Port settings', 0
+tx_text_lbl         db 'Transmitted text', 0
+port_lbl            db 'Port:', 0
+baud_lbl            db 'Baudrate:', 0
+bits_lbl            db 'Data bits:', 0
+ok_lbl              db 'Ok', 0
+cancel_lbl          db 'Cancel', 0
+opt_lbl_nothing     db 'Append nothing', 0
+opt_lbl_lf          db 'Append LF', 0
+opt_lbl_crlf        db 'Append CRLF', 0
+endg
+
+uglobal
+align 4
+settings_win_pid    dd ?
+op_append_val       dd ?
+s_pi                process_information
+ed_port_val         rb 7
+ed_baud_val         rb 7
+ed_bits_val         rb 2
+settings_win_stack  rb SETTINGS_WIN_STACK_SIZE
+endg

textview.inc

@@ -17,6 +17,7 @@ struct  TEXT_VIEW
 
         bg_color    dd ?
         fg_color    dd ?
+        text_color  dd ?
 
         buf_data    dd ?
         buf_size    dd ?
@@ -207,7 +208,7 @@ proc tv.draw_single_line uses esi
 ; edi = pointer to the first byte of string in [text_view.buf_data]
 ; return: eax = length of the string
         mov     ecx, 0x10000000 ; fixed-length string
-        or      ecx, [esi + TEXT_VIEW.fg_color]
+        or      ecx, [esi + TEXT_VIEW.text_color]
         push    esi
         mov     esi, edi
         call    strlen

utils.inc

@@ -71,6 +71,7 @@ proc strlen
         mov     eax, esi
         sub     eax, ebx
         dec     eax
+        dec     esi
         pop     ebx
         ret
 endp
@@ -86,3 +87,59 @@ proc strcpy
         jnz     @b
         ret
 endp
+
+proc escape_chars
+; esi = source
+; ecx = length
+    .loop:
+        mov     al, [esi]
+        cmp     al, 0x20
+        jb      .escape
+        cmp     al, 0x80
+        jae     .escape
+        jmp     .no_escape
+    .escape:
+        mov     byte [esi], '.'
+    .no_escape:
+        inc     esi
+        loop    .loop
+        ret
+endp
+
+proc make_line_header
+; eax = 0 - rx, 1 - tx
+; edi = dest buf
+        push    eax
+        mcall   SF_GET_SYS_TIME
+        mov     ebx, eax
+        mov     ecx, 3
+        ; BCD timestamp to string
+    .loop:
+        mov     al, bl
+        shr     al, 4
+        add     al, '0'
+        stosb
+        mov     al, bl
+        and     al, 0x0f
+        add     al, '0'
+        stosb
+        dec     ecx
+        jz      .done
+        mov     al, ':'
+        stosb
+        shr     ebx, 8
+        jmp     .loop
+    .done:
+        mov     al, ' '
+        stosb
+        mov     al, '<'
+        pop     ebx
+        test    ebx, ebx
+        jz      @f
+        mov     al, '>'
+    @@:
+        stosb
+        mov     al, ' '
+        stosb
+        ret
+endp