Add a [theme256] fallback for terminals that don't support truecolor

Author: andornaut

src/app.rs

@@ -124,8 +124,12 @@ impl App {
     fn render(&mut self) -> Result<()> {
         self.terminal.draw(|frame: &mut Frame| {
             let area = frame.area();
-            self.root
-                .render(area, frame, &self.mode, &self.config.theme);
+            let theme = if terminal::supports_truecolor() {
+                &self.config.theme
+            } else {
+                &self.config.theme256
+            };
+            self.root.render(area, frame, &self.mode, theme);
         })?;
         Ok(())
     }

src/app/config.rs

@@ -40,6 +40,7 @@ pub struct Config {
     pub log_level: LevelFilter,
     pub templates: Templates,
     pub theme: Theme,
+    pub theme256: Theme,
     pub ui: UiConfig,
 }
 

src/app/config/default_config.rs

@@ -27,71 +27,98 @@ frame_delay_milliseconds = 30
 [theme]
 alert_bg = "#373424"
 alert_fg = "#9f8800"
+alert_modifiers = []
 
 alert_error_bg = "#373424"
 alert_error_fg = "#DC322F"
+alert_error_modifiers = []
 
 alert_info_bg = "#373424"
 alert_info_fg = "#73c991"
+alert_info_modifiers = []
 
 alert_warning_bg = "#373424"
 alert_warning_fg = "#E6DB74"
+alert_warning_modifiers = []
 
 header_active_bg = "#CCC8B0"
 header_active_fg = "#1D1F21"
+header_active_modifiers = []
 header_bg = "#373424"
 header_fg = "#CCC8B0"
+header_modifiers = []
 
 help_bg = "#373424"
 help_fg = "#9C9977"
+help_modifiers = []
 
 notice_clipboard_bg = "#70C0B1"
 notice_clipboard_fg = "#1D1F21"
+notice_clipboard_modifiers = []
 notice_filter_bg = "#777755"
 notice_filter_fg = "#1D1F21"
+notice_filter_modifiers = []
 notice_progress_bg = "#006B6B"
 notice_progress_fg = "#70C0B1"
+notice_progress_modifiers = []
 
 prompt_input_bg = "#373424"
 prompt_input_fg = "#CCC8B0"
+prompt_input_modifiers = []
 prompt_label_bg = "#9C9977"
 prompt_label_fg = "#1D1F21"
+prompt_label_modifiers = []
 prompt_cursor_bg = "#CCC8B0"
 prompt_cursor_fg = "#1D1F21"
+prompt_cursor_modifiers = []
 prompt_selection_bg = "#9C9977"
 prompt_selection_fg = "#1D1F21"
+prompt_selection_modifiers = []
 
 status_directory_bg = "#33A999"
 status_directory_fg = "#1D1F21"
+status_directory_modifiers = []
 status_directory_label_bg = "#006B6B"
 status_directory_label_fg = "#C5C8C6"
+status_directory_label_modifiers = []
 status_selected_bg = "#33A999"
 status_selected_fg = "#1D1F21"
+status_selected_modifiers = []
 status_selected_label_bg = "#006B6B"
 status_selected_label_fg = "#C5C8C6"
+status_selected_label_modifiers = []
 
 table_body_bg = "#373424"
 table_body_fg = "#FFFFFF"
+table_body_modifiers = []
 table_copied_bg = "#33A999"
 table_copied_fg = "#006400"  # Dark Green
+table_copied_modifiers = []
 table_cut_bg = "#33A999"
 table_cut_fg = "#800080"  # Purple
+table_cut_modifiers = []
 table_header_active_bg = "#9C9977"
 table_header_active_fg = "#1D1F21"
+table_header_active_modifiers = []
 table_header_bg = "#777755"
 table_header_fg = "#1D1F21"
+table_header_modifiers = []
 table_scrollbar_begin_bg = "#777755"
-# Whether to show the up/down arrows at the beginning and end of the scrollbar
 table_scrollbar_begin_end_enabled = false
 table_scrollbar_begin_fg = "#373424"
+table_scrollbar_begin_modifiers = []
 table_scrollbar_end_bg = "#777755"
 table_scrollbar_end_fg = "#373424"
+table_scrollbar_end_modifiers = []
 table_scrollbar_thumb_bg = "#373424"
 table_scrollbar_thumb_fg = "#CCC8B0"
+table_scrollbar_thumb_modifiers = []
 table_scrollbar_track_bg = "#423F2E"
 table_scrollbar_track_fg = "#777755"
+table_scrollbar_track_modifiers = []
 table_selected_bg = "#CCC8B0"
 table_selected_fg = "#1D1F21"
+table_selected_modifiers = []
 
 [theme.file_modified_date]
 less_than_minute_bg = ""
@@ -131,7 +158,7 @@ pib_fg = "#FF0000"    # Red
 pib_modifiers = []
 
 [theme.file_types]
-# Whether to apply colors defined in the $LS_COLORS environment variable on top of colors configured in this section
+# Whether to apply colors defined in the $LS_COLORS environment variable (if set) on top of colors configured in this section
 ls_colors_take_precedence = true
 
 # Normal file default (rs=0)
@@ -220,4 +247,226 @@ setgid_modifiers = []
 setuid_bg = "#D70000"  # 160
 setuid_fg = "#FFFFD7"  # 230
 setuid_modifiers = []
+
+[theme256]
+alert_bg = "#3a3a3a"  # 237
+alert_fg = "#d7af00"  # 178
+alert_modifiers = []
+
+alert_error_bg = "#3a3a3a"  # 237
+alert_error_fg = "#d70000"  # 160
+alert_error_modifiers = []
+
+alert_info_bg = "#3a3a3a"  # 237
+alert_info_fg = "#5fd787"  # 78
+alert_info_modifiers = []
+
+alert_warning_bg = "#3a3a3a"  # 237
+alert_warning_fg = "#ffff87"  # 228
+alert_warning_modifiers = []
+
+header_active_bg = "#d7d7af"  # 187
+header_active_fg = "#262626"  # 235
+header_active_modifiers = []
+header_bg = "#3a3a3a"  # 237
+header_fg = "#d7d7af"  # 187
+header_modifiers = []
+
+help_bg = "#3a3a3a"  # 237
+help_fg = "#d7af87"  # 180
+help_modifiers = []
+
+notice_clipboard_bg = "#5fd7af"  # 79
+notice_clipboard_fg = "#262626"  # 235
+notice_clipboard_modifiers = []
+notice_filter_bg = "#87875f"  # 101
+notice_filter_fg = "#262626"  # 235
+notice_filter_modifiers = []
+notice_progress_bg = "#008787"  # 30
+notice_progress_fg = "#5fd7af"  # 79
+notice_progress_modifiers = []
+
+prompt_input_bg = "#3a3a3a"  # 237
+prompt_input_fg = "#d7d7af"  # 187
+prompt_input_modifiers = []
+prompt_label_bg = "#d7af87"  # 180
+prompt_label_fg = "#262626"  # 235
+prompt_label_modifiers = []
+prompt_cursor_bg = "#d7d7af"  # 187
+prompt_cursor_fg = "#262626"  # 235
+prompt_cursor_modifiers = []
+prompt_selection_bg = "#d7af87"  # 180
+prompt_selection_fg = "#262626"  # 235
+prompt_selection_modifiers = []
+
+status_directory_bg = "#00afaf"  # 37
+status_directory_fg = "#262626"  # 235
+status_directory_modifiers = []
+status_directory_label_bg = "#008787"  # 30
+status_directory_label_fg = "#d7d7d7"  # 188
+status_directory_label_modifiers = []
+status_selected_bg = "#00afaf"  # 37
+status_selected_fg = "#262626"  # 235
+status_selected_modifiers = []
+status_selected_label_bg = "#008787"  # 30
+status_selected_label_fg = "#d7d7d7"  # 188
+status_selected_label_modifiers = []
+
+table_body_bg = "#3a3a3a"  # 237
+table_body_fg = "#ffffff"  # 231
+table_body_modifiers = []
+table_copied_bg = "#00afaf"  # 37
+table_copied_fg = "#005f00"  # 22
+table_copied_modifiers = []
+table_cut_bg = "#00afaf"  # 37
+table_cut_fg = "#5f005f"  # 53
+table_cut_modifiers = []
+table_header_active_bg = "#d7af87"  # 180
+table_header_active_fg = "#262626"  # 235
+table_header_active_modifiers = []
+table_header_bg = "#87875f"  # 101
+table_header_fg = "#262626"  # 235
+table_header_modifiers = []
+table_scrollbar_begin_bg = "#87875f"  # 101
+table_scrollbar_begin_end_enabled = false
+table_scrollbar_begin_fg = "#3a3a3a"  # 237
+table_scrollbar_begin_modifiers = []
+table_scrollbar_end_bg = "#87875f"  # 101
+table_scrollbar_end_fg = "#3a3a3a"  # 237
+table_scrollbar_end_modifiers = []
+table_scrollbar_thumb_bg = "#3a3a3a"  # 237
+table_scrollbar_thumb_fg = "#d7d7af"  # 187
+table_scrollbar_thumb_modifiers = []
+table_scrollbar_track_bg = "#4e4e4e"  # 239
+table_scrollbar_track_fg = "#87875f"  # 101
+table_scrollbar_track_modifiers = []
+table_selected_bg = "#d7d7af"  # 187
+table_selected_fg = "#262626"  # 235
+table_selected_modifiers = []
+
+[theme256.file_modified_date]
+less_than_minute_bg = ""
+less_than_minute_fg = "#00ffff"  # 14
+less_than_minute_modifiers = []
+less_than_day_bg = ""
+less_than_day_fg = "#00ff00"  # 10
+less_than_day_modifiers = []
+less_than_month_bg = ""
+less_than_month_fg = "#ffff00"  # 11
+less_than_month_modifiers = []
+less_than_year_bg = ""
+less_than_year_fg = "#ff00ff"  # 13
+less_than_year_modifiers = []
+greater_than_year_bg = ""
+greater_than_year_fg = "#ff0000"  # 9
+greater_than_year_modifiers = []
+
+[theme256.file_sizes]
+bytes_bg = ""
+bytes_fg = "#87d7ff"  # 117
+bytes_modifiers = []
+kib_bg = ""
+kib_fg = "#00ffff"  # 14
+kib_modifiers = []
+mib_bg = ""
+mib_fg = "#00ff00"  # 10
+mib_modifiers = []
+gib_bg = ""
+gib_fg = "#ffff00"  # 11
+gib_modifiers = []
+tib_bg = ""
+tib_fg = "#ff00ff"  # 13
+tib_modifiers = []
+pib_bg = ""
+pib_fg = "#ff0000"  # 9
+pib_modifiers = []
+
+[theme256.file_types]
+# Whether to apply colors defined in the $LS_COLORS environment variable (if set) on top of colors configured in this section
+ls_colors_take_precedence = true
+
+# Normal file default (rs=0)
+normal_file_bg = ""
+normal_file_fg = "#e4e4e4"  # 254
+normal_file_modifiers = []
+
+# Regular file (fi)
+regular_file_bg = ""
+regular_file_fg = "#e4e4e4"  # 254
+regular_file_modifiers = []
+
+# Directory (di=00;38;5;33)
+directory_bg = ""
+directory_fg = "#0087ff"  # 33
+directory_modifiers = []
+
+# Other-writable directory (ow=48;5;235;38;5;33)
+directory_other_writable_bg = "#262626"  # 235
+directory_other_writable_fg = "#0087ff"  # 33
+directory_other_writable_modifiers = []
+
+# Symlink (ln=01;38;5;37)
+symlink_bg = ""
+symlink_fg = "#00afaf"  # 37
+symlink_modifiers = ["bold"]
+
+# Pipe/FIFO (pi=48;5;230;38;5;136;01)
+pipe_bg = "#ffffd7"  # 230
+pipe_fg = "#af8700"  # 136
+pipe_modifiers = ["bold"]
+
+# Socket (so=48;5;230;38;5;136;01)
+socket_bg = "#ffffd7"  # 230
+socket_fg = "#af8700"  # 136
+socket_modifiers = ["bold"]
+
+# Door (do=48;5;230;38;5;136;01)
+door_bg = "#ffffd7"  # 230
+door_fg = "#af8700"  # 136
+door_modifiers = ["bold"]
+
+# Block device (bd=48;5;230;38;5;244;01)
+block_device_bg = "#ffffd7"  # 230
+block_device_fg = "#808080"  # 244
+block_device_modifiers = ["bold"]
+
+# Character device (cd=48;5;230;38;5;244;01)
+character_device_bg = "#ffffd7"  # 230
+character_device_fg = "#808080"  # 244
+character_device_modifiers = ["bold"]
+
+# Broken symlink (or=48;5;235;38;5;160)
+symlink_broken_bg = "#262626"  # 235
+symlink_broken_fg = "#d70000"  # 160
+symlink_broken_modifiers = []
+
+# Missing file (mi=00)
+missing_bg = ""
+missing_fg = ""
+missing_modifiers = []
+
+# Executable (ex=01;38;5;64)
+executable_bg = ""
+executable_fg = "#5f8700"  # 64
+executable_modifiers = ["bold"]
+
+# Sticky directory (st=48;5;33;38;5;230)
+directory_sticky_bg = "#0087ff"  # 33
+directory_sticky_fg = "#ffffd7"  # 230
+directory_sticky_modifiers = []
+
+# Sticky and other-writable directory (tw=48;5;64;38;5;230)
+directory_sticky_other_writable_bg = "#5f8700"  # 64
+directory_sticky_other_writable_fg = "#ffffd7"  # 230
+directory_sticky_other_writable_modifiers = []
+
+# Setgid (sg=48;5;136;38;5;230)
+setgid_bg = "#af8700"  # 136
+setgid_fg = "#ffffd7"  # 230
+setgid_modifiers = []
+
+# Setuid (su=48;5;160;38;5;230)
+setuid_bg = "#d70000"  # 160
+setuid_fg = "#ffffd7"  # 230
+setuid_modifiers = []
 "##;