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path: root/gui-wm/wayfire/files/wayfire-0.11.0-physical-output-focus.patch
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--- a/plugins/single_plugins/oswitch.cpp
+++ b/plugins/single_plugins/oswitch.cpp
@@ -8,10 +8,86 @@
 #include <wayfire/output-layout.hpp>
 #include <wayfire/bindings-repository.hpp>
 #include <wayfire/seat.hpp>
+#include <wayfire/output-stitch.hpp>
+#include <wayfire/workspace-set.hpp>
+#include <wayfire/window-manager.hpp>
+#include <wayfire/plugins/common/util.hpp>
+#include <limits>
 
 class wayfire_oswitch : public wf::plugin_interface_t
 {
     wf::wl_idle_call idle_switch_output;
+
+    bool switch_stitched(int direction)
+    {
+        auto output = wf::get_core().seat->get_active_output();
+        auto layout = output ? output->get_data<wf::output_stitch_layout_t>() : nullptr;
+        if (!layout || layout->zones.size() < 2)
+        {
+            return false;
+        }
+
+        // Resolve the target when the binding has finished dispatching. A
+        // physical member is a focus region, not a separate workspace/output.
+        idle_switch_output.run_once([direction] ()
+        {
+            auto& core = wf::get_core();
+            auto output = core.seat->get_active_output();
+            auto layout = output ? output->get_data<wf::output_stitch_layout_t>() : nullptr;
+            if (!layout || layout->zones.size() < 2) return;
+            auto pointer = output->get_cursor_position();
+            auto contains = [] (wf::geometry_t g, double x, double y)
+            {
+                return x >= g.x && x < g.x + g.width && y >= g.y && y < g.y + g.height;
+            };
+            const wf::output_stitch_zone_t *current = nullptr;
+            for (const auto& zone : layout->zones)
+                if (contains(zone.geometry, pointer.x, pointer.y)) current = &zone;
+            if (!current) return;
+            const wf::output_stitch_zone_t *next = nullptr;
+            double distance = std::numeric_limits<double>::max();
+            double origin = current->geometry.x + current->geometry.width / 2.0;
+            for (const auto& zone : layout->zones)
+            {
+                double delta = direction * (zone.geometry.x + zone.geometry.width / 2.0 - origin);
+                if (delta > 0 && delta < distance)
+                {
+                    next = &zone;
+                    distance = delta;
+                }
+            }
+            if (!next) return;
+            auto region = next->geometry;
+            wayfire_toplevel_view focus = nullptr;
+            uint64_t newest = 0;
+            for (auto view : output->wset()->get_views(wf::WSET_CURRENT_WORKSPACE |
+                wf::WSET_MAPPED_ONLY | wf::WSET_EXCLUDE_MINIMIZED))
+            {
+                if (!view->get_root_node()->is_enabled() || !view->get_keyboard_focus_surface()) continue;
+                auto box = view->get_geometry();
+                if (!contains(region, box.x + box.width / 2.0, box.y + box.height / 2.0)) continue;
+                auto timestamp = wf::get_focus_timestamp(view);
+                if (!focus || timestamp > newest)
+                {
+                    focus = view;
+                    newest = timestamp;
+                }
+            }
+            double x = region.x + region.width / 2.0;
+            double y = region.y + region.height / 2.0;
+            if (focus)
+            {
+                auto box = focus->get_geometry();
+                x = (std::max(region.x, box.x) + std::min(region.x + region.width, box.x + box.width)) / 2.0;
+                y = (std::max(region.y, box.y) + std::min(region.y + region.height, box.y + box.height)) / 2.0;
+            }
+            auto global = output->get_layout_geometry();
+            core.warp_cursor({global.x + x, global.y + y});
+            if (focus) core.default_wm->focus_request(focus);
+            else core.seat->focus_view(nullptr);
+        });
+        return true;
+    }
 
     wf::output_t *get_left_output()
     {
@@ -196,6 +272,7 @@
 
     wf::activator_callback switch_left = [=] (auto)
     {
+        if (switch_stitched(-1)) return true;
         auto target_output = get_left_output();
         switch_to_output(target_output);
         return true;
@@ -203,6 +280,7 @@
 
     wf::activator_callback switch_right = [=] (auto)
     {
+        if (switch_stitched(1)) return true;
         auto target_output = get_right_output();
         switch_to_output(target_output);
         return true;