diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 75 |
1 files changed, 58 insertions, 17 deletions
@@ -27,6 +27,7 @@ #include "string_vec.h" #include "string_vec.h" #include "unicode.h" +#include "viewporter.h" #include "xmalloc.h" #undef MAX @@ -104,9 +105,6 @@ static void zwlr_layer_surface_configure( * We want actual pixel width / height, so we have to scale the * values provided by Wayland. */ - tofi->window.width = width; - tofi->window.height = height; - tofi->window.surface.width = width * tofi->window.scale; tofi->window.surface.height = height * tofi->window.scale; @@ -697,6 +695,13 @@ static void registry_global( &zwlr_layer_shell_v1_interface, version); log_debug("Bound to zwlr_layer_shell_v1 %u.\n", name); + } else if (!strcmp(interface, wp_viewporter_interface.name)) { + tofi->wp_viewporter = wl_registry_bind( + wl_registry, + name, + &wp_viewporter_interface, + 1); + log_debug("Bound to wp_viewporter %u.\n", name); } } @@ -1430,9 +1435,30 @@ int main(int argc, char *argv[]) tofi.window.surface.wl_surface, &wl_surface_listener, &tofi); - wl_surface_set_buffer_scale( - tofi.window.surface.wl_surface, - tofi.window.scale); + if (tofi.window.width == 0 || tofi.window.height == 0) { + /* + * Workaround for compatibility with legacy behaviour. + * + * Before the fractional_scale protocol was released, there was + * no way for a client to know whether a fractional scale + * factor had been set, meaning percentage-based dimensions + * were incorrect. As a workaround for full-size windows, we + * allowed specifying 0 for the width / height, which caused + * zwlr_layer_shell to tell us the correct size to use. + * + * To make fractional scaling work, we have to use + * wp_viewporter, and no longer need to set the buffer scale. + * However, viewporter doesn't allow specifying 0 for + * destination width or height. As a workaround, if 0 size is + * set, don't use viewporter, warn the user and set the buffer + * scale here. + */ + log_warning("Width or height set to 0, disabling fractional scaling support.\n"); + log_warning("If your compositor supports the fractional scale protocol, percentages are preferred.\n"); + wl_surface_set_buffer_scale( + tofi.window.surface.wl_surface, + tofi.window.scale); + } /* Grab the first (and only remaining) output from our list. */ struct wl_output *wl_output; @@ -1450,8 +1476,7 @@ int main(int argc, char *argv[]) "launcher"); zwlr_layer_surface_v1_set_keyboard_interactivity( tofi.window.zwlr_layer_surface, - ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_EXCLUSIVE - ); + ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_EXCLUSIVE); zwlr_layer_surface_v1_add_listener( tofi.window.zwlr_layer_surface, &zwlr_layer_surface_listener, @@ -1462,6 +1487,12 @@ int main(int argc, char *argv[]) zwlr_layer_surface_v1_set_exclusive_zone( tofi.window.zwlr_layer_surface, tofi.window.exclusive_zone); + zwlr_layer_surface_v1_set_margin( + tofi.window.zwlr_layer_surface, + tofi.window.margin_top, + tofi.window.margin_right, + tofi.window.margin_bottom, + tofi.window.margin_left); /* * No matter whether we're scaling via Cairo or not, we're presenting a * scaled buffer to Wayland, so scale the window size here if we @@ -1469,14 +1500,23 @@ int main(int argc, char *argv[]) */ zwlr_layer_surface_v1_set_size( tofi.window.zwlr_layer_surface, - tofi.window.width / (tofi.use_scale ? 1 : tofi.window.scale), - tofi.window.height / (tofi.use_scale ? 1 : tofi.window.scale)); - zwlr_layer_surface_v1_set_margin( - tofi.window.zwlr_layer_surface, - tofi.window.margin_top, - tofi.window.margin_right, - tofi.window.margin_bottom, - tofi.window.margin_left); + tofi.window.width, + tofi.window.height); + + /* + * Set up a viewport for our surface, necessary for fractional scaling. + */ + tofi.window.wp_viewport = wp_viewporter_get_viewport( + tofi.wp_viewporter, + tofi.window.surface.wl_surface); + if (tofi.window.width > 0 && tofi.window.height > 0) { + wp_viewport_set_destination( + tofi.window.wp_viewport, + tofi.window.width, + tofi.window.height); + } + + /* Commit the surface to finalise setup. */ wl_surface_commit(tofi.window.surface.wl_surface); /* @@ -1491,7 +1531,6 @@ int main(int argc, char *argv[]) &wl_data_device_listener, &tofi.clipboard); - /* * Now that we've done all our Wayland-related setup, we do another * roundtrip. This should cause the layer surface window to be @@ -1700,6 +1739,7 @@ int main(int argc, char *argv[]) */ surface_destroy(&tofi.window.surface); entry_destroy(&tofi.window.entry); + wp_viewport_destroy(tofi.window.wp_viewport); zwlr_layer_surface_v1_destroy(tofi.window.zwlr_layer_surface); wl_surface_destroy(tofi.window.surface.wl_surface); if (tofi.wl_keyboard != NULL) { @@ -1727,6 +1767,7 @@ int main(int argc, char *argv[]) } wl_shm_destroy(tofi.wl_shm); zwlr_layer_shell_v1_destroy(tofi.zwlr_layer_shell); + wp_viewporter_destroy(tofi.wp_viewporter); xkb_state_unref(tofi.xkb_state); xkb_keymap_unref(tofi.xkb_keymap); xkb_context_unref(tofi.xkb_context); |