hook_vte.c

hook_vte.c

#define _GNU_SOURCE
#include <stdlib.h>
#include <dlfcn.h>

typedef unsigned int gsize;

typedef double gdouble;

typedef struct {
    gdouble red;
    gdouble green;
    gdouble blue;
    gdouble alpha;
} GdkRGBA;

#define PALETTE_SIZE 16
const GdkRGBA snazzy_palette[PALETTE_SIZE] = {
        {0.15625,    0.1640625,  0.2109375,  1.0},
        {0.99609375, 0.359375,   0.33984375, 1.0},
        {0.3515625,  0.96484375, 0.5546875,  1.0},
        {0.94921875, 0.97265625, 0.61328125, 1.0},
        {0.33984375, 0.77734375, 0.99609375, 1.0},
        {0.99609375, 0.4140625,  0.75390625, 1.0},
        {0.6015625,  0.92578125, 0.9921875,  1.0},
        {0.8828125,  0.890625,   0.89453125, 1.0},
        {0.46875,    0.46875,    0.4921875,  1.0},
        {0.99609375, 0.359375,   0.33984375, 1.0},
        {0.3515625,  0.96484375, 0.5546875,  1.0},
        {0.94921875, 0.97265625, 0.61328125, 1.0},
        {0.33984375, 0.77734375, 0.99609375, 1.0},
        {0.99609375, 0.4140625,  0.75390625, 1.0},
        {0.6015625,  0.92578125, 0.9921875,  1.0},
        {0.94140625, 0.94140625, 0.9375,     1.0},
};

static __attribute__((constructor)) void init(void)
{
    unsetenv("LD_PRELOAD");
}

// Hook vte set color for https://github.com/dabisu/sakura, set ourselves' color palette
void vte_terminal_set_colors(void *terminal, const void *foreground, const void *background, const GdkRGBA *palette, gsize palette_size) {
    void (*original_vte_terminal_set_colors)(void *, const void *, const void *, const GdkRGBA *palette, gsize palette_size);
    original_vte_terminal_set_colors = dlsym(RTLD_NEXT, "vte_terminal_set_colors");
    (*original_vte_terminal_set_colors)(terminal, foreground, background, snazzy_palette, palette_size);
}