From 38069992ec97aa22da84a1e1dbb5e8ff9cd03d60 Mon Sep 17 00:00:00 2001
From: Ilia Bozhinov <ammen99@gmail.com>
Date: Mon, 25 Mar 2019 22:21:17 +0100
Subject: Add option to respect panel position (#48)

* implement option to make menu respect panel boundaries

* fixup! implement option to make menu respect panel boundaries
---
 lib/renderers/wayland/wayland.c | 13 +++++++++++++
 lib/renderers/wayland/wayland.h |  1 +
 lib/renderers/wayland/window.c  |  9 ++++++++-
 3 files changed, 22 insertions(+), 1 deletion(-)

(limited to 'lib/renderers')

diff --git a/lib/renderers/wayland/wayland.c b/lib/renderers/wayland/wayland.c
index a719c7d..442b0f6 100644
--- a/lib/renderers/wayland/wayland.c
+++ b/lib/renderers/wayland/wayland.c
@@ -208,6 +208,18 @@ grab_keyboard(const struct bm_menu *menu, bool grab)
     }
 }
 
+static void
+set_overlap(const struct bm_menu *menu, bool overlap)
+{
+    struct wayland *wayland = menu->renderer->internal;
+    assert(wayland);
+
+    struct window *window;
+    wl_list_for_each(window, &wayland->windows, link) {
+        bm_wl_window_set_overlap(window, wayland->display, overlap);
+    }
+}
+
 static void
 destructor(struct bm_menu *menu)
 {
@@ -303,6 +315,7 @@ register_renderer(struct render_api *api)
     api->render = render;
     api->set_bottom = set_bottom;
     api->grab_keyboard = grab_keyboard;
+    api->set_overlap = set_overlap;
     api->priorty = BM_PRIO_GUI;
     api->version = BM_PLUGIN_VERSION;
     return "wayland";
diff --git a/lib/renderers/wayland/wayland.h b/lib/renderers/wayland/wayland.h
index 9defb06..c6da458 100644
--- a/lib/renderers/wayland/wayland.h
+++ b/lib/renderers/wayland/wayland.h
@@ -122,6 +122,7 @@ void bm_wl_window_schedule_render(struct window *window);
 void bm_wl_window_render(struct window *window, struct wl_display *display, const struct bm_menu *menu);
 void bm_wl_window_set_bottom(struct window *window, struct wl_display *display, bool bottom);
 void bm_wl_window_grab_keyboard(struct window *window, struct wl_display *display, bool grab);
+void bm_wl_window_set_overlap(struct window *window, struct wl_display *display, bool overlap);
 bool bm_wl_window_create(struct window *window, struct wl_display *display, struct wl_shm *shm, struct wl_output *output, struct zwlr_layer_shell_v1 *layer_shell, struct wl_surface *surface);
 void bm_wl_window_destroy(struct window *window);
 
diff --git a/lib/renderers/wayland/window.c b/lib/renderers/wayland/window.c
index 2141eff..55b8690 100644
--- a/lib/renderers/wayland/window.c
+++ b/lib/renderers/wayland/window.c
@@ -310,6 +310,14 @@ bm_wl_window_grab_keyboard(struct window *window, struct wl_display *display, bo
     wl_display_roundtrip(display);
 }
 
+void
+bm_wl_window_set_overlap(struct window *window, struct wl_display *display, bool overlap)
+{
+    zwlr_layer_surface_v1_set_exclusive_zone(window->layer_surface, overlap ? -1 : 0);
+    wl_surface_commit(window->surface);
+    wl_display_roundtrip(display);
+}
+
 bool
 bm_wl_window_create(struct window *window, struct wl_display *display, struct wl_shm *shm, struct wl_output *output, struct zwlr_layer_shell_v1 *layer_shell, struct wl_surface *surface)
 {
@@ -317,7 +325,6 @@ bm_wl_window_create(struct window *window, struct wl_display *display, struct wl
 
     if (layer_shell && (window->layer_surface = zwlr_layer_shell_v1_get_layer_surface(layer_shell, surface, output, ZWLR_LAYER_SHELL_V1_LAYER_TOP, "menu"))) {
         zwlr_layer_surface_v1_add_listener(window->layer_surface, &layer_surface_listener, window);
-        zwlr_layer_surface_v1_set_exclusive_zone(window->layer_surface, -1);
         zwlr_layer_surface_v1_set_anchor(window->layer_surface, (window->bottom ? ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM : ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP) | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT);
         zwlr_layer_surface_v1_set_size(window->layer_surface, 0, 32);
         wl_surface_commit(surface);
-- 
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