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authorP. J. McDermott <pj@pehjota.net>2015-10-28 22:12:25 (EDT)
committer P. J. McDermott <pj@pehjota.net>2015-10-28 22:12:25 (EDT)
commitc760fe41c838535197f3da239a1f8966df83f8e3 (patch)
treed9f0a6b1f2408becc372dd7b9e736f41b17d2cdf /src/ui
parentec91d477e2b03f3dd80b96808e7abfedffa6a368 (diff)
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src/ui/tui.sh: New file
Diffstat (limited to 'src/ui')
-rw-r--r--src/ui/local.mk3
-rw-r--r--src/ui/tui.sh177
2 files changed, 179 insertions, 1 deletions
diff --git a/src/ui/local.mk b/src/ui/local.mk
index 636d0a5..6343a2f 100644
--- a/src/ui/local.mk
+++ b/src/ui/local.mk
@@ -1,2 +1,3 @@
firman_SOURCES += \
- src/ui/cli.sh
+ src/ui/cli.sh \
+ src/ui/tui.sh
diff --git a/src/ui/tui.sh b/src/ui/tui.sh
new file mode 100644
index 0000000..acac483
--- /dev/null
+++ b/src/ui/tui.sh
@@ -0,0 +1,177 @@
+# TUI user interface
+#
+# Copyright (C) 2015 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+tui_init_ui()
+{
+ term_init
+ term_raw
+ term_noecho
+ term_hide_cursor
+ term_clear
+}
+
+tui_exit_ui()
+{
+ term_attr_reset
+ term_clear
+ term_show_cursor
+ term_echo
+ term_cooked
+}
+
+_tui_box()
+{
+ local w=${1}
+ local h=${2}
+ shift 2
+ local i=
+ local line=''
+
+ # Clear the screen and set the cursor position to center the box.
+ term_clear
+ term_cursor_position $(expr \( $(term_lines) - ${h} \) / 2) \
+ $(expr \( $(term_columns) - ${w} \) / 2)
+
+ # Build the line.
+ i=0
+ while [ ${i} -lt ${w} ]; do
+ line="${line} "
+ i=$(($i + 1))
+ done
+
+ # Draw white box background lines.
+ term_fg_color_set black
+ term_bg_color_set white
+ i=0
+ while [ ${i} -lt ${h} ]; do
+ printf '%s' "${line}"
+ term_cursor_back ${w}
+ term_cursor_down 1
+ i=$(($i + 1))
+ done
+
+ # Reset the cursor to the top-left corner of the box.
+ term_cursor_up ${h}
+
+ return 0
+}
+
+_tui_dialog()
+{
+ local lvl="${1}"
+ local fmt="${2}"
+ shift 2
+ local msg=''
+
+ # Format the message.
+ msg="$(printf "${fmt}" "${@}")"
+
+ # Draw the box.
+ _tui_box $(expr ${#msg} + 8) 5
+
+ # Draw an icon.
+ term_cursor_forward 2
+ case "${lvl}" in
+ warn)
+ term_fg_color_set yellow
+ term_write ' .'
+ term_cursor_back 2
+ term_cursor_down 1
+ term_attr_on underline
+ term_write '/!\'
+ term_attr_off underline
+ term_fg_color_set black
+ ;;
+ err)
+ term_cursor_forward 1
+ term_fg_color_set red
+ term_attr_on underline
+ term_write ' '
+ term_attr_off underline
+ term_cursor_back 2
+ term_cursor_down 1
+ term_write '('
+ term_attr_on underline
+ term_write 'x'
+ term_attr_off underline
+ term_write ')'
+ term_fg_color_set black
+ ;;
+ esac
+
+ # Write the message.
+ term_cursor_forward 1
+ term_write "${msg}"
+
+ # Draw a (selected) button.
+ term_cursor_back 4
+ term_cursor_down 2
+ term_attr_on reverse
+ term_write '[OK]'
+ term_attr_off reverse
+
+ while :; do
+ case "$(term_getch)" in
+ KEY_ENTER | KEY_SPACE) break;;
+ esac
+ done
+
+ return 0
+}
+
+tui_dbg()
+{
+ : No output.
+}
+
+tui_info()
+{
+ : No output.
+}
+
+tui_warn()
+{
+ local fmt="${1}"
+ shift 1
+
+ _tui_dialog warn "${fmt}" "${@}"
+}
+
+tui_err()
+{
+ local fmt="${1}"
+ shift 1
+
+ _tui_dialog err "${fmt}" "${@}"
+}
+
+tui_show_menu()
+{
+ local title="${1}"
+ shift 1
+
+ return 0
+}
+
+tui_show_prompt()
+{
+ local title="${1}"
+ local input=''
+ shift 1
+
+ return 0
+}