debug: include trailing \0 byte in call to zwp_virtual_keyboard_v1.keymap()

Ref: https://github.com/jjsullivan5196/wvkbd/issues/70

drw.c

@@ -4,6 +4,7 @@
 
 #include "drw.h"
 #include "shm_open.h"
+#include "math.h"
 
 void
 drwsurf_resize(struct drwsurf *ds, uint32_t w, uint32_t h, double s)
@@ -15,8 +16,8 @@ drwsurf_resize(struct drwsurf *ds, uint32_t w, uint32_t h, double s)
     }
 
     ds->scale = s;
-    ds->width = w * s;
-    ds->height = h * s;
+    ds->width = ceil(w * s);
+    ds->height = ceil(h * s);
 
     setup_buffer(ds);
 }

keyboard.c

@@ -678,7 +678,7 @@ create_and_upload_keymap(struct kbd *kb, const char *name, uint32_t comp_unichr,
     size_t keymap_size = strlen(keymap_template) + 64;
     char *keymap_str = malloc(keymap_size);
     sprintf(keymap_str, keymap_template, comp_unichr, comp_shift_unichr);
-    keymap_size = strlen(keymap_str);
+    keymap_size = strlen(keymap_str) + 1;
     int keymap_fd = os_create_anonymous_file(keymap_size);
     if (keymap_fd < 0) {
         die("could not create keymap fd\n");

main.c

@@ -46,6 +46,7 @@ static struct wp_fractional_scale_v1 *wfs_draw_surf;
 static struct wp_fractional_scale_manager_v1 *wfs_mgr;
 static struct wp_viewport *draw_surf_viewport, *popup_draw_surf_viewport;
 static struct wp_viewporter *viewporter;
+static bool popup_xdg_surface_configured;
 
 struct Output {
     uint32_t name;
@@ -115,6 +116,8 @@ static void seat_handle_name(void *data, struct wl_seat *wl_seat,
 
 static void wl_surface_enter(void *data, struct wl_surface *wl_surface,
                              struct wl_output *wl_output);
+static void wl_surface_leave(void *data, struct wl_surface *wl_surface,
+                             struct wl_output *wl_output);
 
 static void handle_global(void *data, struct wl_registry *registry,
                           uint32_t name, const char *interface,
@@ -155,6 +158,7 @@ static const struct wl_seat_listener seat_listener = {
 
 static const struct wl_surface_listener surface_listener = {
     .enter = wl_surface_enter,
+    .leave = wl_surface_leave,
 };
 
 static const struct wl_registry_listener registry_listener = {
@@ -187,6 +191,10 @@ wl_touch_down(void *data, struct wl_touch *wl_touch, uint32_t serial,
               uint32_t time, struct wl_surface *surface, int32_t id,
               wl_fixed_t x, wl_fixed_t y)
 {
+    if(!popup_xdg_surface_configured) {
+        return;
+    }
+
     struct key *next_key;
     uint32_t touch_x, touch_y;
 
@@ -209,6 +217,10 @@ void
 wl_touch_up(void *data, struct wl_touch *wl_touch, uint32_t serial,
             uint32_t time, int32_t id)
 {
+    if(!popup_xdg_surface_configured) {
+        return;
+    }
+
     kbd_release_key(&keyboard, time);
 }
 
@@ -216,6 +228,10 @@ void
 wl_touch_motion(void *data, struct wl_touch *wl_touch, uint32_t time,
                 int32_t id, wl_fixed_t x, wl_fixed_t y)
 {
+    if(!popup_xdg_surface_configured) {
+        return;
+    }
+
     uint32_t touch_x, touch_y;
 
     touch_x = wl_fixed_to_int(x);
@@ -264,6 +280,10 @@ void
 wl_pointer_motion(void *data, struct wl_pointer *wl_pointer, uint32_t time,
                   wl_fixed_t surface_x, wl_fixed_t surface_y)
 {
+    if(!popup_xdg_surface_configured) {
+        return;
+    }
+
     cur_x = wl_fixed_to_int(surface_x);
     cur_y = wl_fixed_to_int(surface_y);
 
@@ -276,6 +296,10 @@ void
 wl_pointer_button(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
                   uint32_t time, uint32_t button, uint32_t state)
 {
+    if(!popup_xdg_surface_configured) {
+        return;
+    }
+
     struct key *next_key;
     cur_press = state == WL_POINTER_BUTTON_STATE_PRESSED;
 
@@ -301,6 +325,10 @@ void
 wl_pointer_axis(void *data, struct wl_pointer *wl_pointer, uint32_t time,
                 uint32_t axis, wl_fixed_t value)
 {
+    if(!popup_xdg_surface_configured) {
+        return;
+    }
+
     kbd_next_layer(&keyboard, NULL, (value >= 0));
     drwsurf_flip(keyboard.surf);
 }
@@ -357,6 +385,12 @@ wl_surface_enter(void *data, struct wl_surface *wl_surface,
     flip_landscape();
 }
 
+void
+wl_surface_leave(void *data, struct wl_surface *wl_surface,
+                 struct wl_output *wl_output) {
+}
+
+
 static void
 display_handle_geometry(void *data, struct wl_output *wl_output, int x, int y,
                         int physical_width, int physical_height, int subpixel,
@@ -480,6 +514,7 @@ xdg_popup_surface_configure(void *data, struct xdg_surface *xdg_surface,
                             uint32_t serial)
 {
     xdg_surface_ack_configure(xdg_surface, serial);
+    popup_xdg_surface_configured = true;
     drwsurf_flip(&popup_draw_surf);
 }
 
@@ -519,7 +554,18 @@ static const struct wp_fractional_scale_v1_listener
 void
 flip_landscape()
 {
-    keyboard.landscape = current_output->w > current_output->h;
+    bool previous_landscape = keyboard.landscape;
+
+    if (current_output) {
+        keyboard.landscape = current_output->w > current_output->h;
+    } else if (wl_outputs_size) {
+        for (int i = 0; i < wl_outputs_size; i += 1) {
+            if (wl_outputs[i].w > wl_outputs[i].h) {
+                keyboard.landscape = true;
+                break;
+            }
+        }
+    }
 
     enum layout_id layer;
     if (keyboard.landscape) {
@@ -585,6 +631,7 @@ layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface,
         wl_surface_set_input_region(popup_draw_surf.surf, empty_region);
         popup_xdg_surface =
             xdg_wm_base_get_xdg_surface(wm_base, popup_draw_surf.surf);
+        popup_xdg_surface_configured = false;
         xdg_surface_add_listener(popup_xdg_surface, &xdg_popup_surface_listener,
                                  NULL);
         popup_xdg_popup = xdg_surface_get_popup(popup_xdg_surface, NULL,
@@ -700,6 +747,8 @@ show()
 
     wl_display_sync(display);
 
+    flip_landscape();
+
     draw_surf.surf = wl_compositor_create_surface(compositor);
     wl_surface_add_listener(draw_surf.surf, &surface_listener, NULL);
     if (wfs_mgr && viewporter) {
@@ -711,8 +760,12 @@ show()
             wp_viewporter_get_viewport(viewporter, draw_surf.surf);
     }
 
+    struct wl_output *current_output_data = NULL;
+    if (current_output)
+        current_output_data = current_output->data;
+
     layer_surface = zwlr_layer_shell_v1_get_layer_surface(
-        layer_shell, draw_surf.surf, NULL, layer, namespace);
+        layer_shell, draw_surf.surf, current_output_data, layer, namespace);
 
     zwlr_layer_surface_v1_set_size(layer_surface, 0, height);
     zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
@@ -764,8 +817,8 @@ main(int argc, char **argv)
     /* parse command line arguments */
     char *layer_names_list = NULL, *landscape_layer_names_list = NULL;
     char *fc_font_pattern = NULL;
-    height = normal_height = KBD_PIXEL_HEIGHT;
-    landscape_height = KBD_PIXEL_LANDSCAPE_HEIGHT;
+    height = landscape_height = KBD_PIXEL_LANDSCAPE_HEIGHT;
+    normal_height = KBD_PIXEL_HEIGHT;
 
     char *tmp;
     if ((tmp = getenv("WVKBD_LAYERS")))
@@ -781,6 +834,7 @@ main(int argc, char **argv)
     keyboard.layers = (enum layout_id *)&layers;
     keyboard.landscape_layers = (enum layout_id *)&landscape_layers;
     keyboard.schemes = schemes;
+    keyboard.landscape = true;
     keyboard.layer_index = 0;
     keyboard.preferred_scale = 1;
     keyboard.preferred_fractional_scale = 0;
@@ -887,13 +941,13 @@ main(int argc, char **argv)
                 usage(argv[0]);
                 exit(1);
             }
-            height = normal_height = atoi(argv[++i]);
+            normal_height = atoi(argv[++i]);
         } else if (!strcmp(argv[i], "-L")) {
             if (i >= argc - 1) {
                 usage(argv[0]);
                 exit(1);
             }
-            landscape_height = atoi(argv[++i]);
+            height = landscape_height = atoi(argv[++i]);
         } else if (!strcmp(argv[i], "-D")) {
             keyboard.debug = true;
         } else if ((!strcmp(argv[i], "-fn")) || (!strcmp(argv[i], "--fn"))) {
@@ -1016,6 +1070,12 @@ main(int argc, char **argv)
 
         if (fds[WAYLAND_FD].revents & POLLIN)
             wl_display_dispatch(display);
+        if (fds[WAYLAND_FD].revents & POLLERR) {
+            die("Exceptional condition on wayland socket.\n");
+        }
+        if (fds[WAYLAND_FD].revents & POLLHUP) {
+            die("Wayland socket has been disconnected.\n");
+        }
 
         if (fds[SIGNAL_FD].revents & POLLIN) {
             struct signalfd_siginfo si;