Merge branch 'master' into feature/multiseat

8 files changed, 240 insertions, 40 deletions

diff --git a/rootston/config.c b/rootston/config.c
index 815040bf..54f10fcd 100644
--- a/rootston/config.c
+++ b/rootston/config.c
@@ -221,6 +221,7 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 			oc = calloc(1, sizeof(struct output_config));
 			oc->name = strdup(output_name);
 			oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
+			oc->scale = 1;
 			wl_list_insert(&config->outputs, &oc->link);
 		}
 
@@ -228,6 +229,9 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 			oc->x = strtol(value, NULL, 10);
 		} else if (strcmp(name, "y") == 0) {
 			oc->y = strtol(value, NULL, 10);
+		} else if (strcmp(name, "scale") == 0) {
+			oc->scale = strtol(value, NULL, 10);
+			assert(oc->scale >= 1);
 		} else if (strcmp(name, "rotate") == 0) {
 			if (strcmp(value, "normal") == 0) {
 				oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
diff --git a/rootston/cursor.c b/rootston/cursor.c
index c8abe098..cba9e782 100644
--- a/rootston/cursor.c
+++ b/rootston/cursor.c
@@ -273,6 +273,14 @@ void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
 		wlr_cursor_warp_absolute(cursor->cursor, event->device,
 			event->x_mm / event->width_mm, event->y_mm / event->height_mm);
 		roots_cursor_update_position(cursor, event->time_msec);
+	} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X)) {
+		wlr_cursor_warp_absolute(cursor->cursor, event->device,
+			event->x_mm / event->width_mm, -1);
+		roots_cursor_update_position(cursor, event->time_msec);
+	} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
+		wlr_cursor_warp_absolute(cursor->cursor, event->device,
+			-1, event->y_mm / event->height_mm);
+		roots_cursor_update_position(cursor, event->time_msec);
 	}
 }
 
diff --git a/rootston/desktop.c b/rootston/desktop.c
index c5242599..448171ec 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -39,36 +39,64 @@ void view_destroy(struct roots_view *view) {
 	free(view);
 }
 
-void view_get_size(struct roots_view *view, struct wlr_box *box) {
+void view_get_box(const struct roots_view *view, struct wlr_box *box) {
+	box->x = view->x;
+	box->y = view->y;
 	if (view->get_size) {
 		view->get_size(view, box);
-		return;
+	} else {
+		box->width = view->wlr_surface->current->width;
+		box->height = view->wlr_surface->current->height;
 	}
-	box->x = box->y = 0;
-	box->width = view->wlr_surface->current->width;
-	box->height = view->wlr_surface->current->height;
 }
 
-void view_activate(struct roots_view *view, bool activate) {
-	if (view->activate) {
-		view->activate(view, activate);
+static void view_update_output(const struct roots_view *view,
+		const struct wlr_box *before) {
+	struct roots_desktop *desktop = view->desktop;
+	struct roots_output *output;
+	struct wlr_box box;
+	view_get_box(view, &box);
+	wl_list_for_each(output, &desktop->outputs, link) {
+		bool intersected = before->x != -1 && wlr_output_layout_intersects(
+				desktop->layout, output->wlr_output,
+				before->x, before->y, before->x + before->width,
+				before->y + before->height);
+		bool intersects = wlr_output_layout_intersects(
+				desktop->layout, output->wlr_output,
+				view->x, view->y, view->x + box.width, view->y + box.height);
+		if (intersected && !intersects) {
+			wlr_surface_send_leave(view->wlr_surface, output->wlr_output);
+		}
+		if (!intersected && intersects) {
+			wlr_surface_send_enter(view->wlr_surface, output->wlr_output);
+		}
 	}
 }
 
 void view_move(struct roots_view *view, double x, double y) {
+	struct wlr_box before;
+	view_get_box(view, &before);
 	if (view->move) {
 		view->move(view, x, y);
-		return;
+	} else {
+		view->x = x;
+		view->y = y;
 	}
+}
 
-	view->x = x;
-	view->y = y;
+void view_activate(struct roots_view *view, bool activate) {
+	if (view->activate) {
+		view->activate(view, activate);
+	}
 }
 
 void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
+	struct wlr_box before;
+	view_get_box(view, &before);
 	if (view->resize) {
 		view->resize(view, width, height);
 	}
+	view_update_output(view, &before);
 }
 
 void view_move_resize(struct roots_view *view, double x, double y,
@@ -82,6 +110,50 @@ void view_move_resize(struct roots_view *view, double x, double y,
 	view_resize(view, width, height);
 }
 
+void view_maximize(struct roots_view *view, bool maximized) {
+	if (view->maximized == maximized) {
+		return;
+	}
+
+	if (view->maximize) {
+		view->maximize(view, maximized);
+	}
+
+	if (!view->maximized && maximized) {
+		struct wlr_box view_box;
+		view_get_box(view, &view_box);
+
+		view->maximized = true;
+		view->saved.x = view->x;
+		view->saved.y = view->y;
+		view->saved.rotation = view->rotation;
+		view->saved.width = view_box.width;
+		view->saved.height = view_box.height;
+
+		double output_x, output_y;
+		wlr_output_layout_closest_point(view->desktop->layout, NULL,
+			view->x + (double)view_box.width/2,
+			view->y + (double)view_box.height/2,
+			&output_x, &output_y);
+		struct wlr_output *output = wlr_output_layout_output_at(
+			view->desktop->layout, output_x, output_y);
+		struct wlr_box *output_box =
+			wlr_output_layout_get_box(view->desktop->layout, output);
+
+		view_move_resize(view, output_box->x, output_box->y, output_box->width,
+			output_box->height);
+		view->rotation = 0;
+	}
+
+	if (view->maximized && !maximized) {
+		view->maximized = false;
+
+		view_move_resize(view, view->saved.x, view->saved.y, view->saved.width,
+			view->saved.height);
+		view->rotation = view->saved.rotation;
+	}
+}
+
 void view_close(struct roots_view *view) {
 	if (view->close) {
 		view->close(view);
@@ -89,8 +161,8 @@ void view_close(struct roots_view *view) {
 }
 
 bool view_center(struct roots_view *view) {
-	struct wlr_box size;
-	view_get_size(view, &size);
+	struct wlr_box box;
+	view_get_box(view, &box);
 
 	struct roots_desktop *desktop = view->desktop;
 
@@ -107,23 +179,25 @@ bool view_center(struct roots_view *view) {
 	int width, height;
 	wlr_output_effective_resolution(output, &width, &height);
 
-	double view_x = (double)(width - size.width) / 2 + l_output->x;
-	double view_y = (double)(height - size.height) / 2 + l_output->y;
-
+	double view_x = (double)(width - box.width) / 2 + l_output->x;
+	double view_y = (double)(height - box.height) / 2 + l_output->y;
 	view_move(view, view_x, view_y);
 
 	return true;
 }
 
 void view_setup(struct roots_view *view) {
-	view_center(view);
-
 	struct roots_input *input = view->desktop->server->input;
 	// TODO what seat gets focus? the one with the last input event?
 	struct roots_seat *seat;
 	wl_list_for_each(seat, &input->seats, link) {
 		roots_seat_focus_view(seat, view);
 	}
+
+	view_center(view);
+	struct wlr_box before;
+	view_get_box(view, &before);
+	view_update_output(view, &before);
 }
 
 void view_teardown(struct roots_view *view) {
diff --git a/rootston/output.c b/rootston/output.c
index 329c29be..f192cb48 100644
--- a/rootston/output.c
+++ b/rootston/output.c
@@ -20,10 +20,13 @@ static void render_surface(struct wlr_surface *surface,
 		struct roots_desktop *desktop, struct wlr_output *wlr_output,
 		struct timespec *when, double lx, double ly, float rotation) {
 	if (surface->texture->valid) {
-		int width = surface->current->buffer_width;
-		int height = surface->current->buffer_height;
+		float scale_factor = (float)wlr_output->scale / surface->current->scale;
+		int width = surface->current->buffer_width * scale_factor;
+		int height = surface->current->buffer_height * scale_factor;
 		double ox = lx, oy = ly;
 		wlr_output_layout_output_coords(desktop->layout, wlr_output, &ox, &oy);
+		ox *= wlr_output->scale;
+		oy *= wlr_output->scale;
 
 		if (wlr_output_layout_intersects(desktop->layout, wlr_output,
 				lx, ly, lx + width, ly + height)) {
@@ -32,15 +35,22 @@ static void render_surface(struct wlr_surface *surface,
 			float translate_origin[16];
 			wlr_matrix_translate(&translate_origin,
 				(int)ox + width / 2, (int)oy + height / 2, 0);
+
 			float rotate[16];
 			wlr_matrix_rotate(&rotate, rotation);
+
 			float translate_center[16];
 			wlr_matrix_translate(&translate_center, -width / 2, -height / 2, 0);
+
+			float scale[16];
+			wlr_matrix_scale(&scale, width, height, 1);
+
 			float transform[16];
 			wlr_matrix_mul(&translate_origin, &rotate, &transform);
 			wlr_matrix_mul(&transform, &translate_center, &transform);
-			wlr_surface_get_matrix(surface, &matrix,
-					&wlr_output->transform_matrix, &transform);
+			wlr_matrix_mul(&transform, &scale, &transform);
+			wlr_matrix_mul(&wlr_output->transform_matrix, &transform, &matrix);
+
 			wlr_render_with_matrix(desktop->server->renderer,
 					surface->texture, &matrix);
 
@@ -220,6 +230,7 @@ void output_add_notify(struct wl_listener *listener, void *data) {
 		if (output_config->mode.width) {
 			set_mode(wlr_output, output_config);
 		}
+		wlr_output->scale = output_config->scale;
 		wlr_output_transform(wlr_output, output_config->transform);
 		wlr_output_layout_add(desktop->layout,
 				wlr_output, output_config->x, output_config->y);
diff --git a/rootston/seat.c b/rootston/seat.c
index 3dcd7f2f..3530fb75 100644
--- a/rootston/seat.c
+++ b/rootston/seat.c
@@ -548,8 +548,14 @@ void roots_seat_begin_move(struct roots_seat *seat, struct roots_view *view) {
 	cursor->mode = ROOTS_CURSOR_MOVE;
 	cursor->offs_x = cursor->cursor->x;
 	cursor->offs_y = cursor->cursor->y;
-	cursor->view_x = view->x;
-	cursor->view_y = view->y;
+	if (view->maximized) {
+		cursor->view_x = view->saved.x;
+		cursor->view_y = view->saved.y;
+	} else {
+		cursor->view_x = view->x;
+		cursor->view_y = view->y;
+	}
+	view_maximize(view, false);
 	wlr_seat_pointer_clear_focus(seat->seat);
 
 	struct wlr_xcursor *xcursor = get_move_xcursor(seat->cursor->xcursor_theme);
@@ -565,13 +571,21 @@ void roots_seat_begin_resize(struct roots_seat *seat, struct roots_view *view,
 	cursor->mode = ROOTS_CURSOR_RESIZE;
 	cursor->offs_x = cursor->cursor->x;
 	cursor->offs_y = cursor->cursor->y;
-	cursor->view_x = view->x;
-	cursor->view_y = view->y;
-	struct wlr_box size;
-	view_get_size(view, &size);
-	cursor->view_width = size.width;
-	cursor->view_height = size.height;
+	if (view->maximized) {
+		cursor->view_x = view->saved.x;
+		cursor->view_y = view->saved.y;
+		cursor->view_width = view->saved.width;
+		cursor->view_height = view->saved.height;
+	} else {
+		cursor->view_x = view->x;
+		cursor->view_y = view->y;
+		struct wlr_box box;
+		view_get_box(view, &box);
+		cursor->view_width = box.width;
+		cursor->view_height = box.height;
+	}
 	cursor->resize_edges = edges;
+	view_maximize(view, false);
 	wlr_seat_pointer_clear_focus(seat->seat);
 
 	struct wlr_xcursor *xcursor = get_resize_xcursor(cursor->xcursor_theme, edges);
@@ -587,6 +601,7 @@ void roots_seat_begin_rotate(struct roots_seat *seat, struct roots_view *view) {
 	cursor->offs_x = cursor->cursor->x;
 	cursor->offs_y = cursor->cursor->y;
 	cursor->view_rotation = view->rotation;
+	view_maximize(view, false);
 	wlr_seat_pointer_clear_focus(seat->seat);
 
 	struct wlr_xcursor *xcursor = get_rotate_xcursor(cursor->xcursor_theme);
diff --git a/rootston/wl_shell.c b/rootston/wl_shell.c
index 81b9e640..96f461fe 100644
--- a/rootston/wl_shell.c
+++ b/rootston/wl_shell.c
@@ -50,6 +50,26 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 	roots_seat_begin_resize(seat, view, e->edges);
 }
 
+static void handle_request_set_maximized(struct wl_listener *listener,
+		void *data) {
+	struct roots_wl_shell_surface *roots_surface =
+		wl_container_of(listener, roots_surface, request_set_maximized);
+	struct roots_view *view = roots_surface->view;
+	//struct wlr_wl_shell_surface_set_maximized_event *e = data;
+	view_maximize(view, true);
+}
+
+static void handle_set_state(struct wl_listener *listener, void *data) {
+	struct roots_wl_shell_surface *roots_surface =
+		wl_container_of(listener, roots_surface, set_state);
+	struct roots_view *view = roots_surface->view;
+	struct wlr_wl_shell_surface *surface = view->wl_shell_surface;
+	if (view->maximized &&
+			surface->state != WLR_WL_SHELL_SURFACE_STATE_MAXIMIZED) {
+		view_maximize(view, false);
+	}
+}
+
 static void handle_surface_commit(struct wl_listener *listener, void *data) {
 	// TODO do we need to do anything here?
 }
@@ -61,6 +81,9 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
 	wl_list_remove(&roots_surface->destroy.link);
 	wl_list_remove(&roots_surface->request_move.link);
 	wl_list_remove(&roots_surface->request_resize.link);
+	wl_list_remove(&roots_surface->request_set_maximized.link);
+	wl_list_remove(&roots_surface->set_state.link);
+	wl_list_remove(&roots_surface->surface_commit.link);
 	view_destroy(roots_surface->view);
 	free(roots_surface);
 }
@@ -94,6 +117,11 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
 	roots_surface->request_resize.notify = handle_request_resize;
 	wl_signal_add(&surface->events.request_resize,
 		&roots_surface->request_resize);
+	roots_surface->request_set_maximized.notify = handle_request_set_maximized;
+	wl_signal_add(&surface->events.request_set_maximized,
+		&roots_surface->request_set_maximized);
+	roots_surface->set_state.notify = handle_set_state;
+	wl_signal_add(&surface->events.set_state, &roots_surface->set_state);
 	roots_surface->surface_commit.notify = handle_surface_commit;
 	wl_signal_add(&surface->surface->events.commit,
 		&roots_surface->surface_commit);
diff --git a/rootston/xdg_shell_v6.c b/rootston/xdg_shell_v6.c
index ed952e18..6517c8b4 100644
--- a/rootston/xdg_shell_v6.c
+++ b/rootston/xdg_shell_v6.c
@@ -10,11 +10,17 @@
 #include "rootston/server.h"
 #include "rootston/input.h"
 
-static void get_size(struct roots_view *view, struct wlr_box *box) {
+static void get_size(const struct roots_view *view, struct wlr_box *box) {
 	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
 	struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
-	// TODO: surf->geometry can be NULL
-	memcpy(box, surf->geometry, sizeof(struct wlr_box));
+
+	if (surf->geometry->width > 0 && surf->geometry->height > 0) {
+		box->width = surf->geometry->width;
+		box->height = surf->geometry->height;
+	} else {
+		box->width = view->wlr_surface->current->width;
+		box->height = view->wlr_surface->current->height;
+	}
 }
 
 static void activate(struct roots_view *view, bool active) {
@@ -84,6 +90,16 @@ static void move_resize(struct roots_view *view, double x, double y,
 	wlr_xdg_toplevel_v6_set_size(surf, contrained_width, contrained_height);
 }
 
+static void maximize(struct roots_view *view, bool maximized) {
+	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
+	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
+	if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
+		return;
+	}
+
+	wlr_xdg_toplevel_v6_set_maximized(surface, maximized);
+}
+
 static void close(struct roots_view *view) {
 	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
 	struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
@@ -121,8 +137,25 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 	roots_seat_begin_resize(seat, view, e->edges);
 }
 
+static void handle_request_maximize(struct wl_listener *listener, void *data) {
+	struct roots_xdg_surface_v6 *roots_xdg_surface =
+		wl_container_of(listener, roots_xdg_surface, request_maximize);
+	struct roots_view *view = roots_xdg_surface->view;
+	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
+
+	if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
+		return;
+	}
+
+	view_maximize(view, surface->toplevel_state->next.maximized);
+}
+
 static void handle_commit(struct wl_listener *listener, void *data) {
-	// TODO is there anything we need to do here?
+	//struct roots_xdg_surface_v6 *roots_xdg_surface =
+	//	wl_container_of(listener, roots_xdg_surface, commit);
+	//struct roots_view *view = roots_xdg_surface->view;
+	//struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
+	// TODO
 }
 
 static void handle_destroy(struct wl_listener *listener, void *data) {
@@ -167,6 +200,9 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
 	roots_surface->request_resize.notify = handle_request_resize;
 	wl_signal_add(&surface->events.request_resize,
 		&roots_surface->request_resize);
+	roots_surface->request_maximize.notify = handle_request_maximize;
+	wl_signal_add(&surface->events.request_maximize,
+		&roots_surface->request_maximize);
 
 	struct roots_view *view = calloc(1, sizeof(struct roots_view));
 	if (!view) {
@@ -181,6 +217,7 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
 	view->activate = activate;
 	view->resize = resize;
 	view->move_resize = move_resize;
+	view->maximize = maximize;
 	view->close = close;
 	view->desktop = desktop;
 	roots_surface->view = view;
diff --git a/rootston/xwayland.c b/rootston/xwayland.c
index 92ba5e60..f4e100dc 100644
--- a/rootston/xwayland.c
+++ b/rootston/xwayland.c
@@ -85,11 +85,22 @@ static void close(struct roots_view *view) {
 	wlr_xwayland_surface_close(view->desktop->xwayland, view->xwayland_surface);
 }
 
+static void maximize(struct roots_view *view, bool maximized) {
+	assert(view->type == ROOTS_XWAYLAND_VIEW);
+
+	wlr_xwayland_surface_set_maximized(view->desktop->xwayland,
+		view->xwayland_surface, maximized);
+}
+
 static void handle_destroy(struct wl_listener *listener, void *data) {
 	struct roots_xwayland_surface *roots_surface =
 		wl_container_of(listener, roots_surface, destroy);
 	view_teardown(roots_surface->view);
 	wl_list_remove(&roots_surface->destroy.link);
+	wl_list_remove(&roots_surface->request_configure.link);
+	wl_list_remove(&roots_surface->request_move.link);
+	wl_list_remove(&roots_surface->request_resize.link);
+	wl_list_remove(&roots_surface->request_maximize.link);
 	wl_list_remove(&roots_surface->map_notify.link);
 	wl_list_remove(&roots_surface->unmap_notify.link);
 	view_destroy(roots_surface->view);
@@ -149,6 +160,17 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 	roots_seat_begin_resize(seat, view, e->edges);
 }
 
+static void handle_request_maximize(struct wl_listener *listener, void *data) {
+	struct roots_xwayland_surface *roots_surface =
+		wl_container_of(listener, roots_surface, request_maximize);
+	struct roots_view *view = roots_surface->view;
+	struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
+
+	bool maximized = xwayland_surface->maximized_vert &&
+		xwayland_surface->maximized_horz;
+	view_maximize(view, maximized);
+}
+
 static void handle_map_notify(struct wl_listener *listener, void *data) {
 	struct roots_xwayland_surface *roots_surface =
 		wl_container_of(listener, roots_surface, map_notify);
@@ -190,24 +212,24 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
 	if (roots_surface == NULL) {
 		return;
 	}
+
 	roots_surface->destroy.notify = handle_destroy;
 	wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
-
 	roots_surface->request_configure.notify = handle_request_configure;
 	wl_signal_add(&surface->events.request_configure,
 		&roots_surface->request_configure);
-
 	roots_surface->map_notify.notify = handle_map_notify;
 	wl_signal_add(&surface->events.map_notify, &roots_surface->map_notify);
-
 	roots_surface->unmap_notify.notify = handle_unmap_notify;
 	wl_signal_add(&surface->events.unmap_notify, &roots_surface->unmap_notify);
-
 	roots_surface->request_move.notify = handle_request_move;
 	wl_signal_add(&surface->events.request_move, &roots_surface->request_move);
-
 	roots_surface->request_resize.notify = handle_request_resize;
-	wl_signal_add(&surface->events.request_resize, &roots_surface->request_resize);
+	wl_signal_add(&surface->events.request_resize,
+		&roots_surface->request_resize);
+	roots_surface->request_maximize.notify = handle_request_maximize;
+	wl_signal_add(&surface->events.request_maximize,
+		&roots_surface->request_maximize);
 
 	struct roots_view *view = calloc(1, sizeof(struct roots_view));
 	if (view == NULL) {
@@ -225,6 +247,7 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
 	view->resize = resize;
 	view->move = move;
 	view->move_resize = move_resize;
+	view->maximize = maximize;
 	view->close = close;
 	roots_surface->view = view;
 	wlr_list_add(desktop->views, view);