improvement on xdg request handles

cursor.c

@@ -48,7 +48,6 @@ void diyac_reset_cursor_mode(struct diyac_server *server)
     /* Reset the cursor mode to passthrough. */
     server->seat.cursor_mode = DIYAC_CURSOR_PASSTHROUGH;
     server->grabbed_view = NULL;
-    //struct diyac_view * view = diyac_view_at()
 }
 
 static void process_cursor_move(struct diyac_server *server, uint32_t time)
@@ -57,6 +56,9 @@ static void process_cursor_move(struct diyac_server *server, uint32_t time)
     struct diyac_view *toplevel = server->grabbed_view;
     if(toplevel->state != DIYAC_VIEW_NORMAL)
     {
+        // cancel maximize or fullscreen state
+        wlr_xdg_toplevel_set_maximized(toplevel->xdg_toplevel, false);
+        wlr_xdg_toplevel_set_fullscreen(toplevel->xdg_toplevel, false);
         // move the windows to cursor
         server->grab_x = toplevel->original.width * server->grab_x / toplevel->output->usable_area.width;
     }

diyac.c

@@ -4,6 +4,8 @@
 #include <unistd.h>
 #include <getopt.h>
 #include <wlr/util/log.h>
+#include <wlr/types/wlr_primary_selection_v1.h>
+#include <wlr/types/wlr_fractional_scale_v1.h>
 #include "output.h"
 #include "xdg.h"
 #include "cursor.h"
@@ -84,6 +86,17 @@ int main(int argc, char *argv[])
     wlr_compositor_create(server.wl_display, 5, server.renderer);
     wlr_subcompositor_create(server.wl_display);
     wlr_data_device_manager_create(server.wl_display);
+    /*
+     * Empirically, primary selection doesn't work with Gtk apps unless the
+     * device manager is one of the earliest globals to be advertised. All
+     * credit to Wayfire for discovering this, though their symptoms
+     * (crash) are not the same as ours (silently does nothing). When adding
+     * more globals above this line it would be as well to check that
+     * middle-button paste still works with any Gtk app of your choice
+     *
+     * https://wayfire.org/2020/08/04/Wayfire-0-5.html
+     */
+    wlr_primary_selection_v1_device_manager_create(server.wl_display);
 
     /* Creates an output layout, which a wlroots utility for working with an
      * arrangement of screens in a physical layout. */
@@ -103,8 +116,8 @@ int main(int argc, char *argv[])
      */
     server.scene = wlr_scene_create();
     server.scene_layout = wlr_scene_attach_output_layout(server.scene, server.output_layout);
-
+    wlr_fractional_scale_manager_v1_create(server.wl_display,1);
-    /* Set up xdg-shell version 3. The xdg-shell is a Wayland protocol which is
+    /* Set up xdg-shell version 6 The xdg-shell is a Wayland protocol which is
      * used for application windows. For more detail on shells, refer to
      * https://drewdevault.com/2018/07/29/Wayland-shells.html.
      */
@@ -112,12 +125,12 @@ int main(int argc, char *argv[])
     server.view_tree = wlr_scene_tree_create(&server.scene->tree);
     server.xdg_popup_tree = wlr_scene_tree_create(&server.scene->tree);
 
-    server.xdg_shell = wlr_xdg_shell_create(server.wl_display, 3);
+    server.xdg_shell = wlr_xdg_shell_create(server.wl_display, 6);
     server.new_xdg_surface.notify = diyac_new_xdg_surface;
     wl_signal_add(&server.xdg_shell->events.new_surface,
                   &server.new_xdg_surface);
 
-    server.layer_shell = wlr_layer_shell_v1_create(server.wl_display,4);
+    server.layer_shell = wlr_layer_shell_v1_create(server.wl_display, 4);
     server.new_layer_surface.notify = diyac_new_layer_surface;
     wl_signal_add(&server.layer_shell->events.new_surface,
                   &server.new_layer_surface);

diyac.h

@@ -12,6 +12,7 @@
 #include <wlr/types/wlr_subcompositor.h>
 #include <wlr/types/wlr_data_device.h>
 #include <wlr/types/wlr_output_layout.h>
+#include <wlr/types/wlr_fractional_scale_v1.h>
 
 #define LAYER_TREE_SZ 4
 /* For brevity's sake, struct members are annotated where they are used. */
@@ -106,6 +107,7 @@ struct diyac_server
     struct wl_listener new_xdg_surface;
     struct wl_listener new_layer_surface;
     struct wl_list views;
+
     /*
      * Popups need to be rendered above always-on-top views, so we reparent
      * them to this dedicated tree
@@ -180,7 +182,7 @@ struct diyac_view
     struct wl_listener request_maximize;
     struct wl_listener request_fullscreen;
 
-    struct wl_listener set_app_id;
+    struct wl_listener set_app_id; // only useful when using SSD
     struct wl_listener new_popup;
 };
 

seat.c

@@ -293,7 +293,7 @@ void diyac_seat_focus_layer(struct diyac_seat *seat, struct wlr_layer_surface_v1
     if (!layer)
     {
         seat->focused_layer = NULL;
-        diyac_focus_topmost_view(seat->server);
+        diyac_focus_topmost_view(seat->server, false);
         return;
     }
     seat_focus(seat, layer->surface, /*is_lock_surface*/ false);

view.c

@@ -21,11 +21,17 @@ void diyac_focus_view(struct diyac_view *toplevel, bool raise)
     {
         return;
     }
+    if(!toplevel->mapped)
+    {
+        // dont focus unmapped view
+        return;
+    }
     struct diyac_server *server = toplevel->server;
     struct wlr_surface *prev_surface = server->seat.wlr_seat->keyboard_state.focused_surface;
     if (prev_surface == toplevel->xdg_toplevel->base->surface)
     {
         // Don't re-focus an already focused surface.
+        wlr_log(WLR_DEBUG, "Don't re-focus an already focused surface");
         return;
     }
     if (prev_surface)
@@ -42,10 +48,6 @@ void diyac_focus_view(struct diyac_view *toplevel, bool raise)
             wlr_xdg_toplevel_set_activated(prev_toplevel, false);
         }
     }
-    if(!toplevel->mapped)
-    {
-        return;
-    }
     raise_to_front(toplevel);
     if (raise)
     {
@@ -80,11 +82,20 @@ struct diyac_view *diyac_view_at(
     return node_descriptor->data;
 }
 
-void diyac_focus_topmost_view(struct diyac_server *server)
+void diyac_focus_topmost_view(struct diyac_server *server, bool raise)
 {
     struct diyac_view *view = diyac_topmost_focusable_view(server);
     if (view)
     {
+        if(raise)
+        {
+            struct diyac_view * root = diyac_get_root_view(view);
+            if(root)
+            {
+                diyac_focus_view(root, true);
+                return;
+            }
+        }
         diyac_focus_view(view, false);
     }
     else

view.h

@@ -5,7 +5,7 @@ void diyac_focus_view(struct diyac_view *toplevel, bool raise);
 struct diyac_view *diyac_view_at(
     struct diyac_server *server, double lx, double ly,
     struct wlr_surface **surface, double *sx, double *sy);
-void diyac_focus_topmost_view(struct diyac_server *server);
+void diyac_focus_topmost_view(struct diyac_server *server, bool raise);
 struct diyac_view * diyac_topmost_focusable_view(struct diyac_server *server);
 bool diyac_view_update_geometry(struct diyac_view *view, bool grabbed);
 void diyac_arrange_all_views(struct diyac_server *server);

xdg.c

@@ -63,11 +63,11 @@ static void xdg_toplevel_map(struct wl_listener *listener, void *data)
     wl_list_insert(&toplevel->server->views, &toplevel->link);
     toplevel->original.x = (toplevel->output->usable_area.width - toplevel->original.width) / 2;
     toplevel->original.y = (toplevel->output->usable_area.height - toplevel->original.height) / 2;
-    if(toplevel->original.width > toplevel->output->usable_area.width)
+    if (toplevel->original.width > toplevel->output->usable_area.width)
     {
         toplevel->original.width = toplevel->output->usable_area.width;
     }
-    if(toplevel->original.height > toplevel->output->usable_area.height)
+    if (toplevel->original.height > toplevel->output->usable_area.height)
     {
         toplevel->original.height = toplevel->output->usable_area.height;
     }
@@ -88,21 +88,7 @@ static void xdg_toplevel_unmap(struct wl_listener *listener, void *data)
     {
         diyac_reset_cursor_mode(toplevel->server);
     }
-
-    if(toplevel->server->grabbed_view == toplevel)
-    {
-        toplevel->server->grabbed_view = NULL;
-    }
-    struct diyac_view * root = diyac_get_root_view(toplevel);
     wl_list_remove(&toplevel->link);
-    if(root && root->mapped)
-    {
-        diyac_focus_view(root, true);
-    }
-    else
-    {
-        diyac_cursor_focus(toplevel->server);
-    }
 }
 
 static void xdg_toplevel_request_move(
@@ -113,6 +99,7 @@ static void xdg_toplevel_request_move(
      * decorations. Note that a more sophisticated compositor should check the
      * provided serial against a list of button press serials sent to this
      * client, to prevent the client from requesting this whenever they want. */
+    wlr_log(WLR_INFO, "Request move");
     struct diyac_view *toplevel = wl_container_of(listener, toplevel, request_move);
     begin_interactive(toplevel, DIYAC_CURSOR_MOVE, 0);
 }
@@ -125,6 +112,7 @@ static void xdg_toplevel_request_resize(
      * decorations. Note that a more sophisticated compositor should check the
      * provided serial against a list of button press serials sent to this
      * client, to prevent the client from requesting this whenever they want. */
+    wlr_log(WLR_INFO, "Request resize");
     struct wlr_xdg_toplevel_resize_event *event = data;
     struct diyac_view *toplevel = wl_container_of(listener, toplevel, request_resize);
     begin_interactive(toplevel, DIYAC_CURSOR_RESIZE, event->edges);
@@ -162,14 +150,20 @@ static void xdg_toplevel_request_maximize(
         toplevel->state = DIYAC_VIEW_MAXIMIZE;
     }
     diyac_view_update_geometry(toplevel, false);
-    //wlr_xdg_surface_schedule_configure(toplevel->xdg_toplevel->base);
+    // wlr_xdg_surface_schedule_configure(toplevel->xdg_toplevel->base);
 }
 
-static void xdg_toplevel_request_fullscreen(
+static void xdg_toplevel_request_fullscreen(struct wl_listener *listener, void *data)
-    struct wl_listener *listener, void *data)
 {
     struct diyac_view *toplevel =
         wl_container_of(listener, toplevel, request_fullscreen);
+    wlr_log(WLR_INFO, "Cursor state %d", toplevel->server->seat.cursor_mode);
+    if (toplevel->server->seat.cursor_mode != DIYAC_CURSOR_PASSTHROUGH)
+    {
+        wlr_log(WLR_INFO, "The view is under move/resize, disable fullcreen event");
+        wlr_xdg_toplevel_set_fullscreen(toplevel->xdg_toplevel, false);
+        return;
+    }
     if (!toplevel->mapped)
     {
         wlr_xdg_toplevel_set_fullscreen(toplevel->xdg_toplevel, false);
@@ -194,7 +188,7 @@ static void xdg_toplevel_request_fullscreen(
     }
 
     */
-    diyac_view_update_geometry(toplevel, false);
+    // diyac_view_update_geometry(toplevel, false);
 }
 
 static void xdg_toplevel_request_minimize(struct wl_listener *listener, void *data)
@@ -218,6 +212,16 @@ static void xdg_toplevel_destroy(struct wl_listener *listener, void *data)
     /* Called when the xdg_toplevel is destroyed. */
     struct diyac_view *toplevel = wl_container_of(listener, toplevel, destroy);
 
+    struct diyac_view *root = diyac_get_root_view(toplevel);
+    if (root && root->mapped)
+    {
+        diyac_focus_view(root, true);
+    }
+    else
+    {
+        diyac_focus_topmost_view(toplevel->server, true);
+    }
+
     wl_list_remove(&toplevel->map.link);
     wl_list_remove(&toplevel->unmap.link);
     wl_list_remove(&toplevel->destroy.link);
@@ -262,14 +266,14 @@ static void popup_unconstrain(struct diyac_popup *popup)
 static void handle_xdg_popup_commit(struct wl_listener *listener, void *data)
 {
     struct diyac_popup *popup = wl_container_of(listener, popup, commit);
-    struct wlr_box popup_box ;
+    struct wlr_box popup_box;
     wlr_xdg_surface_get_geometry(popup->wlr_popup->base, &popup_box);
     popup_unconstrain(popup);
     if (!wlr_box_empty(&popup_box))
-    //if (popup->wlr_popup->base->initial_commit)
+    // if (popup->wlr_popup->base->initial_commit)
     {
         struct diyac_view *view = popup->parent;
-        //wlr_output_commit(view->output->wlr_output);
+        // wlr_output_commit(view->output->wlr_output);
         /* Prevent getting called over and over again */
         wl_list_remove(&popup->commit.link);
         popup->commit.notify = NULL;
@@ -330,10 +334,10 @@ static void xdg_popup_create(struct diyac_view *view, struct wlr_xdg_popup *wlr_
         wlr_scene_node_set_position(&view->server->xdg_popup_tree->node,
                                     box.x, box.y);
     }
-    struct wlr_scene_tree* tree= wlr_scene_xdg_surface_create(parent_tree, wlr_popup->base);
+    struct wlr_scene_tree *tree = wlr_scene_xdg_surface_create(parent_tree, wlr_popup->base);
     wlr_popup->base->surface->data = tree;
 
-    //wlr_scene_node_set_enabled(&parent_tree->node, false);
+    // wlr_scene_node_set_enabled(&parent_tree->node, false);
     diyac_node_descriptor_create(wlr_popup->base->surface->data,
                                  DIYAC_NODE_XDG_POPUP, view);
 }
@@ -381,7 +385,6 @@ void diyac_new_xdg_surface(struct wl_listener *listener, void *data)
     assert(xdg_surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
     wlr_log(WLR_INFO, "diyac_new_xdg_surface: Creating new application windows");
     wlr_xdg_surface_ping(xdg_surface);
-
     /* Allocate a diyac_view for this surface */
     struct diyac_view *toplevel = calloc(1, sizeof(*toplevel));
     toplevel->state = DIYAC_VIEW_NORMAL;
@@ -393,6 +396,13 @@ void diyac_new_xdg_surface(struct wl_listener *listener, void *data)
     toplevel->scene_tree = wlr_scene_xdg_surface_create(
         toplevel->server->view_tree, toplevel->xdg_toplevel->base);
     xdg_surface->data = toplevel;
+
+    if (toplevel->output)
+    {
+        wlr_fractional_scale_v1_notify_scale(xdg_surface->surface,
+                                             toplevel->output->wlr_output->scale);
+    }
+
     wlr_scene_node_set_enabled(&toplevel->scene_tree->node, false);
     diyac_node_descriptor_create(&toplevel->scene_tree->node,
                                  DIYAC_NODE_VIEW, toplevel);

xdg.h

@@ -3,5 +3,4 @@
 #include "diyac.h"
 
 void diyac_new_xdg_surface(struct wl_listener *listener, void *data);
-
 #endif