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Mitchell Hashimoto vt: expose terminal default colors via C API 4mo ago

vt: expose terminal default colors via C API Add set/get support for foreground, background, cursor, and palette default colors through ghostty_terminal_set and ghostty_terminal_get. Four new set options (COLOR_FOREGROUND, COLOR_BACKGROUND, COLOR_CURSOR, COLOR_PALETTE) write directly to the terminal color defaults. Passing NULL clears the value for RGB colors or resets the palette to the built-in default. All set operations mark the palette dirty flag for the renderer. Eight new get data types retrieve either the effective color (override or default, via DynamicRGB.get) or the default color only (ignoring any OSC overrides). Effective getters for RGB colors return the new NO_VALUE result code when no color is configured. The palette getters return the current or original palette respectively. Adds the GHOSTTY_NO_VALUE result code for cases where a queried value is simply not configured, distinct from GHOSTTY_INVALID_VALUE which indicates a caller error.

4 months ago

vt: expose terminal default colors via C API Add set/get support for foreground, background, cursor, and palette default colors through ghostty_terminal_set and ghostty_terminal_get. Four new set options (COLOR_FOREGROUND, COLOR_BACKGROUND, COLOR_CURSOR, COLOR_PALETTE) write directly to the terminal color defaults. Passing NULL clears the value for RGB colors or resets the palette to the built-in default. All set operations mark the palette dirty flag for the renderer. Eight new get data types retrieve either the effective color (override or default, via DynamicRGB.get) or the default color only (ignoring any OSC overrides). Effective getters for RGB colors return the new NO_VALUE result code when no color is configured. The palette getters return the current or original palette respectively. Adds the GHOSTTY_NO_VALUE result code for cases where a queried value is simply not configured, distinct from GHOSTTY_INVALID_VALUE which indicates a caller error.

4 months ago

vt: expose terminal default colors via C API Add set/get support for foreground, background, cursor, and palette default colors through ghostty_terminal_set and ghostty_terminal_get. Four new set options (COLOR_FOREGROUND, COLOR_BACKGROUND, COLOR_CURSOR, COLOR_PALETTE) write directly to the terminal color defaults. Passing NULL clears the value for RGB colors or resets the palette to the built-in default. All set operations mark the palette dirty flag for the renderer. Eight new get data types retrieve either the effective color (override or default, via DynamicRGB.get) or the default color only (ignoring any OSC overrides). Effective getters for RGB colors return the new NO_VALUE result code when no color is configured. The palette getters return the current or original palette respectively. Adds the GHOSTTY_NO_VALUE result code for cases where a queried value is simply not configured, distinct from GHOSTTY_INVALID_VALUE which indicates a caller error.

4 months ago

vt: expose terminal default colors via C API Add set/get support for foreground, background, cursor, and palette default colors through ghostty_terminal_set and ghostty_terminal_get. Four new set options (COLOR_FOREGROUND, COLOR_BACKGROUND, COLOR_CURSOR, COLOR_PALETTE) write directly to the terminal color defaults. Passing NULL clears the value for RGB colors or resets the palette to the built-in default. All set operations mark the palette dirty flag for the renderer. Eight new get data types retrieve either the effective color (override or default, via DynamicRGB.get) or the default color only (ignoring any OSC overrides). Effective getters for RGB colors return the new NO_VALUE result code when no color is configured. The palette getters return the current or original palette respectively. Adds the GHOSTTY_NO_VALUE result code for cases where a queried value is simply not configured, distinct from GHOSTTY_INVALID_VALUE which indicates a caller error.

4 months ago

README.md

Example: `ghostty-vt` Terminal Colors#

This contains a simple example of how to set default terminal colors, read effective and default color values, and observe how OSC overrides layer on top of defaults using the ghostty-vt C library.

This uses a build.zig and Zig to build the C program so that we can reuse a lot of our build logic and depend directly on our source tree, but Ghostty emits a standard C library that can be used with any C tooling.

Usage#

Run the program:

zig build run