suggestion picker: a persistent layer to complement virtual keyboards like wvkbd
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 57 |
1 files changed, 55 insertions, 2 deletions
@@ -7,6 +7,7 @@ #include <sys/mman.h> #include <wayland-client.h> #include <wchar.h> +#include <unistd.h> #include "keyboard.h" #include "config.h" @@ -42,6 +43,7 @@ static uint32_t anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | static bool run_display = true; static int cur_x = -1, cur_y = -1; static struct kbd keyboard; +static uint32_t height; /* event handler prototypes */ static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer, @@ -320,12 +322,54 @@ usage(char *argv0) fprintf(stderr, " -fn [font] - Set font (e.g: DejaVu Sans 20)\n"); } +void +freeze(int sigint) +{ + signal(SIGUSR1, freeze); + if (!layer_surface) { + return; + } + + zwlr_layer_surface_v1_destroy(layer_surface); + wl_surface_destroy(draw_surf.surf); + layer_surface = NULL; + if (draw_surf.cb) { + wl_callback_destroy(draw_surf.cb); + draw_surf.cb = NULL; + } +} + +void +unfreeze(int sigint) +{ + signal(SIGUSR2, unfreeze); + if (layer_surface) { + return; + } + + wl_display_sync(display); + + draw_surf.surf = wl_compositor_create_surface(compositor);; + layer_surface = zwlr_layer_shell_v1_get_layer_surface( + layer_shell, draw_surf.surf, wl_output, layer, namespace); + + zwlr_layer_surface_v1_set_size(layer_surface, 0, height); + zwlr_layer_surface_v1_set_anchor(layer_surface, anchor); + zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, height); + zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface, false); + zwlr_layer_surface_v1_add_listener(layer_surface, &layer_surface_listener, NULL); + wl_surface_commit(draw_surf.surf); + + wl_display_roundtrip(display); + drwsurf_flip(&draw_surf); +} + int main(int argc, char **argv) { /* parse command line arguments */ char *layer_names_list = NULL; const char *fc_font_pattern = NULL; - uint32_t height = KBD_PIXEL_HEIGHT; + height = KBD_PIXEL_HEIGHT; char *tmp; if ((tmp = getenv("WVKBD_LAYERS"))) @@ -430,7 +474,16 @@ main(int argc, char **argv) { wl_display_roundtrip(display); drwsurf_flip(&draw_surf); - while (wl_display_dispatch(display) != -1 && run_display) { + signal(SIGUSR1, freeze); + signal(SIGUSR2, unfreeze); + + while (run_display) { + while (wl_display_dispatch(display) != -1 && layer_surface) { + } + wl_display_roundtrip(display); + while (run_display && !layer_surface) { + sleep(1); + } } if (fc_font_pattern != default_font) { |