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	Implement atomic layout updates for xwayland views
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					 3 changed files with 40 additions and 27 deletions
				
			
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			@ -49,6 +49,15 @@ void transaction_commit(struct sway_transaction *transaction);
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 */
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void transaction_notify_view_ready(struct sway_view *view, uint32_t serial);
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/**
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 * Notify the transaction system that a view is ready for the new layout, but
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 * identifying the instruction by width and height rather than by serial.
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 *
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 * This is used by xwayland views, as they don't have serials.
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 */
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void transaction_notify_view_ready_by_size(struct sway_view *view,
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		int width, int height);
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/**
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 * Get the texture that should be rendered for a view.
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 *
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			@ -267,10 +267,8 @@ void transaction_commit(struct sway_transaction *transaction) {
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					instruction->state.view_y,
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					instruction->state.view_width,
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					instruction->state.view_height);
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			if (instruction->serial) {
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			++transaction->num_waiting;
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		}
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		}
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		list_add(con->instructions, instruction);
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	}
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	if (server.head_transaction) {
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			@ -307,20 +305,8 @@ void transaction_commit(struct sway_transaction *transaction) {
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	update_debug_tree();
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}
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void transaction_notify_view_ready(struct sway_view *view, uint32_t serial) {
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	// Find the instruction
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	struct sway_transaction_instruction *instruction = NULL;
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	for (int i = 0; i < view->swayc->instructions->length; ++i) {
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		struct sway_transaction_instruction *tmp_instruction =
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			view->swayc->instructions->items[i];
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		if (tmp_instruction->serial == serial && !tmp_instruction->ready) {
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			instruction = tmp_instruction;
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			break;
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		}
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	}
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	if (!instruction) {
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		return;
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	}
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static void set_instruction_ready(
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		struct sway_transaction_instruction *instruction) {
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	instruction->ready = true;
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	// If all views are ready, apply the transaction.
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			@ -335,6 +321,30 @@ void transaction_notify_view_ready(struct sway_view *view, uint32_t serial) {
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	}
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}
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void transaction_notify_view_ready(struct sway_view *view, uint32_t serial) {
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	for (int i = 0; i < view->swayc->instructions->length; ++i) {
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		struct sway_transaction_instruction *instruction =
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			view->swayc->instructions->items[i];
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		if (instruction->serial == serial && !instruction->ready) {
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			set_instruction_ready(instruction);
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			return;
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		}
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	}
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}
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void transaction_notify_view_ready_by_size(struct sway_view *view,
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		int width, int height) {
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	for (int i = 0; i < view->swayc->instructions->length; ++i) {
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		struct sway_transaction_instruction *instruction =
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			view->swayc->instructions->items[i];
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		if (!instruction->ready && instruction->state.view_width == width &&
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				instruction->state.view_height == height) {
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			set_instruction_ready(instruction);
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			return;
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		}
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	}
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}
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struct wlr_texture *transaction_get_texture(struct sway_view *view) {
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	if (!view->swayc || !view->swayc->instructions->length) {
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		return view->surface->buffer->texture;
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			@ -7,6 +7,7 @@
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#include <wlr/xwayland.h>
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#include "log.h"
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#include "sway/desktop.h"
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#include "sway/desktop/transaction.h"
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#include "sway/input/input-manager.h"
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#include "sway/input/seat.h"
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#include "sway/output.h"
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			@ -243,16 +244,9 @@ static void handle_commit(struct wl_listener *listener, void *data) {
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	struct sway_view *view = &xwayland_view->view;
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	struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
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	// Don't allow xwayland views to do resize or reposition themselves if
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	// they're involved in a transaction. Once the transaction has finished
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	// they'll apply the next time a commit happens.
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	if (view->swayc && view->swayc->instructions->length) {
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		if (view->swayc && container_is_floating(view->swayc)) {
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			view_update_size(view, xsurface->width, xsurface->height);
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		} else {
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			view_update_size(view, view->swayc->width, view->swayc->height);
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		}
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		view_update_position(view, view->x, view->y);
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	if (view->swayc->instructions->length) {
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		transaction_notify_view_ready_by_size(view,
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				xsurface->width, xsurface->height);
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	}
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	view_damage_from(view);
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}
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