482 lines
18 KiB
C
482 lines
18 KiB
C
/**
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* themes.c
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* Implementation of theme system for shell appearance
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*/
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#include "themes.h"
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#include <stdio.h>
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#include <string.h>
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// Define Windows colors for compatibility
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#define FOREGROUND_BLUE 0x0001
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#define FOREGROUND_GREEN 0x0002
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#define FOREGROUND_RED 0x0004
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#define FOREGROUND_INTENSITY 0x0008
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#define FOREGROUND_CYAN (FOREGROUND_GREEN | FOREGROUND_BLUE)
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#define FOREGROUND_MAGENTA (FOREGROUND_RED | FOREGROUND_BLUE)
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// Current active theme
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ShellTheme current_theme;
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// Define built-in themes
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static ShellTheme default_theme = {
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// Standard console colors
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.PRIMARY_COLOR =
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FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, // White
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.SECONDARY_COLOR =
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FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, // White (dimmer)
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.ACCENT_COLOR = FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Bright Green
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.SUCCESS_COLOR = FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Bright Green
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.ERROR_COLOR = FOREGROUND_RED | FOREGROUND_INTENSITY, // Bright Red
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.WARNING_COLOR = FOREGROUND_RED | FOREGROUND_GREEN |
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FOREGROUND_INTENSITY, // Bright Yellow
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.HEADER_COLOR = FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Bright Green
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.STATUS_BAR_COLOR = 0, // Black
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.STATUS_TEXT_COLOR = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE |
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FOREGROUND_INTENSITY, // Bright White
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.PROMPT_COLOR = FOREGROUND_CYAN | FOREGROUND_INTENSITY, // Bright Cyan
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.DIRECTORY_COLOR = FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Bright Green
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.EXECUTABLE_COLOR = FOREGROUND_RED | FOREGROUND_GREEN |
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FOREGROUND_INTENSITY, // Bright Yellow
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.TEXT_FILE_COLOR =
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FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, // White
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.IMAGE_FILE_COLOR = FOREGROUND_RED | FOREGROUND_BLUE |
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FOREGROUND_INTENSITY, // Bright Magenta
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.CODE_FILE_COLOR = FOREGROUND_BLUE | FOREGROUND_INTENSITY, // Bright Blue
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.ARCHIVE_FILE_COLOR = FOREGROUND_RED | FOREGROUND_INTENSITY, // Bright Red
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.SYNTAX_KEYWORD = FOREGROUND_CYAN | FOREGROUND_INTENSITY, // Bright Cyan
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.SYNTAX_STRING = FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Bright Green
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.SYNTAX_COMMENT = FOREGROUND_INTENSITY, // Gray
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.SYNTAX_NUMBER =
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FOREGROUND_MAGENTA | FOREGROUND_INTENSITY, // Bright Magenta
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.SYNTAX_PREPROCESSOR =
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FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Yellow
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// ANSI colors for default theme (basic colors, not true full 24-bit colors)
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.ANSI_BASE = "\033[37m", // White
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.ANSI_SURFACE = "\033[37m", // White
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.ANSI_OVERLAY = "\033[37m", // White
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.ANSI_MUTED = "\033[37m", // White
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.ANSI_SUBTLE = "\033[37m", // White
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.ANSI_TEXT = "\033[97m", // Bright White
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.ANSI_LOVE = "\033[91m", // Bright Red
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.ANSI_GOLD = "\033[93m", // Bright Yellow
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.ANSI_ROSE = "\033[95m", // Bright Magenta
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.ANSI_PINE = "\033[92m", // Bright Green
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.ANSI_FOAM = "\033[96m", // Bright Cyan
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.ANSI_IRIS = "\033[94m", // Bright Blue
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.ANSI_HIGHLIGHT = "\033[37m", // White
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// Don't use ANSI colors for default theme
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.use_ansi_colors = FALSE,
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.name = "default"};
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static ShellTheme rose_pine_theme = {
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// Legacy console colors (for backward compatibility)
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.PRIMARY_COLOR =
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FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, // White (base)
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.SECONDARY_COLOR =
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FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, // Muted
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.ACCENT_COLOR = FOREGROUND_BLUE, // Blue for git syntax
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.SUCCESS_COLOR = FOREGROUND_GREEN,
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.ERROR_COLOR = FOREGROUND_RED | FOREGROUND_INTENSITY,
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.WARNING_COLOR = FOREGROUND_RED | FOREGROUND_GREEN,
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.HEADER_COLOR = FOREGROUND_RED | FOREGROUND_BLUE,
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.STATUS_BAR_COLOR = 0,
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.STATUS_TEXT_COLOR = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE |
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FOREGROUND_INTENSITY,
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.PROMPT_COLOR =
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FOREGROUND_RED | FOREGROUND_INTENSITY, // Bright red for repo name
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.DIRECTORY_COLOR =
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FOREGROUND_RED | FOREGROUND_INTENSITY, // Bright pink for directory
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.EXECUTABLE_COLOR = FOREGROUND_RED | FOREGROUND_GREEN,
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.TEXT_FILE_COLOR = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE,
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.IMAGE_FILE_COLOR = FOREGROUND_BLUE,
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.CODE_FILE_COLOR = FOREGROUND_BLUE,
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.ARCHIVE_FILE_COLOR = FOREGROUND_RED,
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.SYNTAX_KEYWORD = FOREGROUND_RED | FOREGROUND_BLUE,
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.SYNTAX_STRING = FOREGROUND_GREEN,
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.SYNTAX_COMMENT = FOREGROUND_RED | FOREGROUND_GREEN | 0x8,
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.SYNTAX_NUMBER = FOREGROUND_RED,
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.SYNTAX_PREPROCESSOR = FOREGROUND_RED | FOREGROUND_GREEN,
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// ANSI true color definitions - exact Rose Pine colors
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.ANSI_BASE = "\033[38;2;25;23;36m", // Base color
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.ANSI_SURFACE = "\033[38;2;31;29;46m", // Surface color
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.ANSI_OVERLAY = "\033[38;2;38;35;58m", // Overlay color
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.ANSI_MUTED = "\033[38;2;110;106;134m", // Muted color
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.ANSI_SUBTLE = "\033[38;2;144;140;170m", // Subtle color
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.ANSI_TEXT = "\033[38;2;224;222;244m", // Text color
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.ANSI_LOVE = "\033[38;2;235;111;146m", // Love/Red color
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.ANSI_GOLD = "\033[38;2;246;193;119m", // Gold color
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// Updated Rose/pink color to a soft peach
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.ANSI_ROSE = "\033[38;2;255;195;195m", // Soft Peach
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.ANSI_PINE = "\033[38;2;49;116;143m", // Pine color
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.ANSI_FOAM = "\033[38;2;156;207;216m", // Foam color
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.ANSI_IRIS = "\033[38;2;196;167;231m", // Iris color
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.ANSI_HIGHLIGHT = "\033[38;2;68;65;90m", // Highlight color
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.ANSI_INVALID_COMMAND = "\033[38;2;205;120;120m",
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// Enable ANSI colors for Rose Pine theme
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.use_ansi_colors = TRUE,
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.name = "rose-pine"};
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static ShellTheme catppuccin_mocha_theme = {
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// Legacy console colors (for backward compatibility)
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.PRIMARY_COLOR = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE |
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FOREGROUND_INTENSITY, // Bright white for text
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.SECONDARY_COLOR =
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FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, // White (dimmer)
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.ACCENT_COLOR =
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FOREGROUND_BLUE | FOREGROUND_INTENSITY, // Bright Blue for accent
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.SUCCESS_COLOR = FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Bright Green
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.ERROR_COLOR = FOREGROUND_RED | FOREGROUND_INTENSITY, // Bright Red
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.WARNING_COLOR =
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FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Yellow
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.HEADER_COLOR = FOREGROUND_RED | FOREGROUND_BLUE |
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FOREGROUND_INTENSITY, // Mauve color for headers
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.STATUS_BAR_COLOR = 0, // Black/dark background
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.STATUS_TEXT_COLOR = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE |
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FOREGROUND_INTENSITY, // Bright White
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.PROMPT_COLOR = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE |
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FOREGROUND_INTENSITY, // Blue text for prompt
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.DIRECTORY_COLOR = FOREGROUND_BLUE | FOREGROUND_GREEN |
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FOREGROUND_INTENSITY, // Teal for directories
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.EXECUTABLE_COLOR = FOREGROUND_RED | FOREGROUND_GREEN |
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FOREGROUND_INTENSITY, // Yellow for executables
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.TEXT_FILE_COLOR = FOREGROUND_RED | FOREGROUND_GREEN |
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FOREGROUND_BLUE, // White for text files
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.IMAGE_FILE_COLOR = FOREGROUND_RED | FOREGROUND_INTENSITY, // Red for images
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.CODE_FILE_COLOR = FOREGROUND_BLUE | FOREGROUND_INTENSITY, // Blue for code
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.ARCHIVE_FILE_COLOR =
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FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Green for archives
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.SYNTAX_KEYWORD =
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FOREGROUND_BLUE | FOREGROUND_INTENSITY, // Blue for keywords
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.SYNTAX_STRING =
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FOREGROUND_GREEN | FOREGROUND_INTENSITY, // Green for strings
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.SYNTAX_COMMENT = FOREGROUND_INTENSITY, // Gray for comments
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.SYNTAX_NUMBER = FOREGROUND_RED | FOREGROUND_INTENSITY, // Red for numbers
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.SYNTAX_PREPROCESSOR = FOREGROUND_GREEN | FOREGROUND_BLUE |
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FOREGROUND_INTENSITY, // Cyan for preprocessor
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// ANSI true color definitions for Catppuccin Mocha
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.ANSI_BASE = "\033[38;2;30;30;46m", // Base color #1e1e2e
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.ANSI_SURFACE = "\033[38;2;49;50;68m", // Surface color #313244
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.ANSI_OVERLAY = "\033[38;2;69;71;90m", // Overlay color #45475a
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.ANSI_MUTED = "\033[38;2;186;194;222m", // Muted color #bac2de (subtext1)
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.ANSI_SUBTLE = "\033[38;2;166;173;200m", // Subtle color #a6adc8 (subtext0)
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.ANSI_TEXT = "\033[38;2;205;214;244m", // Text color #cdd6f4
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.ANSI_LOVE = "\033[38;2;243;139;168m", // Love/Red color #f38ba8
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.ANSI_GOLD = "\033[38;2;249;226;175m", // Gold/Yellow color #f9e2af
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.ANSI_ROSE = "\033[38;2;245;194;231m", // Pink color #f5c2e7
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.ANSI_PINE = "\033[38;2;166;227;161m", // Green color #a6e3a1
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.ANSI_FOAM = "\033[38;2;148;226;213m", // Teal color #94e2d5
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.ANSI_IRIS = "\033[38;2;203;166;247m", // Mauve/Purple color #cba6f7
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.ANSI_HIGHLIGHT = "\033[38;2;180;190;254m", // Lavender highlight #b4befe
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// Enable ANSI colors for Catppuccin Mocha theme
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.use_ansi_colors = TRUE,
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.name = "catppuccin-mocha"};
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// Path to the theme configuration file
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char theme_config_path[PATH_MAX];
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/**
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* Initialize the theme system
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*/
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void init_theme_system(void) {
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// Determine theme config file location in user's home directory
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char *home_dir = getenv("HOME");
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if (home_dir) {
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snprintf(theme_config_path, PATH_MAX, "%s/.lsh_theme", home_dir);
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} else {
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// Fallback to current directory if HOME not available
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strcpy(theme_config_path, ".lsh_theme");
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}
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// Set default theme initially
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memcpy(¤t_theme, &default_theme, sizeof(ShellTheme));
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// Try to load theme from config file
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FILE *config_file = fopen(theme_config_path, "r");
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if (config_file) {
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char theme_name[32];
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if (fscanf(config_file, "theme=%31s", theme_name) == 1) {
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// We found a theme name, try to load it
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load_theme(theme_name);
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}
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fclose(config_file);
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} else {
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// Config file doesn't exist, create it with default theme
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config_file = fopen(theme_config_path, "w");
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if (config_file) {
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fprintf(config_file, "theme=default\n");
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fclose(config_file);
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}
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}
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}
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/**
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* Load a specific theme by name
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*
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* @param theme_name Name of the theme to load
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* @return 1 if successful, 0 if theme not found
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*/
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int load_theme(const char *theme_name) {
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if (strcmp(theme_name, "default") == 0) {
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memcpy(¤t_theme, &default_theme, sizeof(ShellTheme));
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return 1;
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} else if (strcmp(theme_name, "rose-pine") == 0) {
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memcpy(¤t_theme, &rose_pine_theme, sizeof(ShellTheme));
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return 1;
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} else if (strcmp(theme_name, "catppuccin-mocha") == 0) {
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memcpy(¤t_theme, &catppuccin_mocha_theme, sizeof(ShellTheme));
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return 1;
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}
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// Theme not found
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fprintf(stderr, "Theme '%s' not found\n", theme_name);
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return 0;
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}
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/**
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* Apply the current theme settings
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* Called whenever theme-dependent UI elements need to be updated
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*/
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void apply_current_theme(void) {
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// When called, the shell can update any on-screen elements that depend on
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// theme colors. This function would be called when changing themes or at startup.
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// In Linux, we'll always use ANSI colors, as the terminal emulator handles this natively
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if (current_theme.use_ansi_colors) {
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// Use ANSI true color
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printf("%s", current_theme.ANSI_TEXT);
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} else {
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// Use standard ANSI color approximation of the theme's primary color
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// Linux terminals always support basic ANSI colors, so we'll map the Windows color attributes
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// to the closest ANSI colors
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int fg = 37; // Default to white text
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if (current_theme.PRIMARY_COLOR & 0x01) fg = 34; // Blue
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if (current_theme.PRIMARY_COLOR & 0x02) fg = 32; // Green
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if (current_theme.PRIMARY_COLOR & 0x04) fg = 31; // Red
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// Combinations
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if ((current_theme.PRIMARY_COLOR & 0x03) == 0x03) fg = 36; // Cyan (Green + Blue)
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if ((current_theme.PRIMARY_COLOR & 0x05) == 0x05) fg = 35; // Magenta (Red + Blue)
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if ((current_theme.PRIMARY_COLOR & 0x06) == 0x06) fg = 33; // Yellow (Red + Green)
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if ((current_theme.PRIMARY_COLOR & 0x07) == 0x07) fg = 37; // White (Red + Green + Blue)
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// Bright variants
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if (current_theme.PRIMARY_COLOR & 0x08) fg += 60; // Add intensity
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printf("\033[%dm", fg); // Set the color
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}
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}
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/**
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* Get pointer to the current theme
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*
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* @return Pointer to the current theme structure
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*/
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const ShellTheme *get_current_theme(void) { return ¤t_theme; }
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/**
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* List all available themes
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*/
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void list_available_themes(void) {
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printf("Available themes:\n");
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printf(" default - Standard shell colors\n");
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printf(
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" rose-pine - Soothing, warm color scheme with true color support\n");
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printf(" catppuccin-mocha - Deep dark theme with vibrant accent colors");
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// Display which theme is currently active
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printf("\nCurrent theme: %s", current_theme.name);
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// Display ANSI color status for current theme
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if (current_theme.use_ansi_colors) {
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printf(" (using true color)\n");
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} else {
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printf(" (using standard console colors)\n");
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}
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}
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/**
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* Initialize themes at shell startup
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*/
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void init_themes(void) {
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// Call the theme system initialization
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init_theme_system();
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// Apply the initial theme
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apply_current_theme();
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}
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/**
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* Shutdown theme system
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*/
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void shutdown_themes(void) {
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// Reset terminal color to default
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printf(ANSI_COLOR_RESET);
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// Currently, no other cleanup is needed for the theme system
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}
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/**
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* Command handler for the "theme" command
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*
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* @param args Command arguments
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* @return 1 to continue shell execution, 0 to exit shell
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*/
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int lsh_theme(char **args) {
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if (args[1] == NULL) {
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// No arguments, show usage info and current theme
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printf("Usage: theme <command> [arguments]\n");
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printf("Commands:\n");
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printf(" list List available themes\n");
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printf(" set NAME Set the current theme to NAME\n");
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printf(" show Show current theme details\n");
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printf("\nCurrent theme: %s", current_theme.name);
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// Display ANSI color status for current theme
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if (current_theme.use_ansi_colors) {
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printf(" (using true color)\n");
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} else {
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printf(" (using standard console colors)\n");
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}
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return 1;
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}
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// Handle subcommands
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if (strcmp(args[1], "list") == 0) {
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list_available_themes();
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return 1;
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} else if (strcmp(args[1], "set") == 0) {
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if (args[2] == NULL) {
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printf("Usage: theme set <theme_name>\n");
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printf("Try 'theme list' to see available themes\n");
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return 1;
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}
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// Try to load the requested theme
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if (load_theme(args[2])) {
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// Update theme config file
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FILE *config_file = fopen(theme_config_path, "w");
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if (config_file) {
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fprintf(config_file, "theme=%s\n", args[2]);
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fclose(config_file);
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// Apply the theme
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apply_current_theme();
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printf("Theme set to '%s'\n", args[2]);
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// Display ANSI color status for the selected theme
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if (current_theme.use_ansi_colors) {
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printf("This theme uses true color for better visual appearance.\n");
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}
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} else {
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fprintf(stderr, "Could not save theme setting\n");
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}
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}
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return 1;
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} else if (strcmp(args[1], "show") == 0) {
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printf("Current theme: %s\n", current_theme.name);
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// Display ANSI color status
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if (current_theme.use_ansi_colors) {
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printf("Using true color mode");
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// Show a color demo if using ANSI colors
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printf("\nColor sample:\n");
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printf("%sBase %sText %sLove %sGold %sRose %sPine %sFoam %sIris%s\n",
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current_theme.ANSI_BASE, current_theme.ANSI_TEXT,
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current_theme.ANSI_LOVE, current_theme.ANSI_GOLD,
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current_theme.ANSI_ROSE, current_theme.ANSI_PINE,
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current_theme.ANSI_FOAM, current_theme.ANSI_IRIS,
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"\033[0m"); // Reset
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} else {
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printf("Using standard console colors\n");
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}
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return 1;
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} else {
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printf("Unknown theme command: %s\n", args[1]);
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printf("Try 'theme list' or 'theme set <name>'\n");
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return 1;
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}
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return 1;
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}
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char **get_theme_names(int *theme_count) {
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// Define the hardcoded themes
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char *builtin_themes[] = {"default", "rose-pine", "catppuccin-mocha"};
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int builtin_count = sizeof(builtin_themes) / sizeof(builtin_themes[0]);
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// Try to open the theme config file to check for custom themes
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FILE *config_file = fopen(theme_config_path, "r");
|
|
char custom_theme[32];
|
|
int has_custom_theme = 0;
|
|
|
|
if (config_file) {
|
|
char theme_line[64];
|
|
while (fgets(theme_line, sizeof(theme_line), config_file)) {
|
|
if (sscanf(theme_line, "theme=%31s", custom_theme) == 1) {
|
|
// Check if this is a custom theme (not one of our builtin themes)
|
|
int is_builtin = 0;
|
|
for (int i = 0; i < builtin_count; i++) {
|
|
if (strcmp(custom_theme, builtin_themes[i]) == 0) {
|
|
is_builtin = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!is_builtin) {
|
|
has_custom_theme = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
fclose(config_file);
|
|
}
|
|
|
|
// Allocate space for themes (builtin + potential custom theme)
|
|
int total_themes = builtin_count + (has_custom_theme ? 1 : 0);
|
|
char **theme_names = (char **)malloc(total_themes * sizeof(char *));
|
|
if (!theme_names) {
|
|
fprintf(stderr, "lsh: allocation error in get_theme_names\n");
|
|
*theme_count = 0;
|
|
return NULL;
|
|
}
|
|
|
|
// Copy builtin theme names
|
|
for (int i = 0; i < builtin_count; i++) {
|
|
theme_names[i] = strdup(builtin_themes[i]);
|
|
}
|
|
|
|
// Add custom theme if found
|
|
if (has_custom_theme) {
|
|
theme_names[builtin_count] = strdup(custom_theme);
|
|
}
|
|
|
|
*theme_count = total_themes;
|
|
return theme_names;
|
|
}
|