Merge branch 'hidpi'

5 files changed, 76 insertions, 23 deletions

diff --git a/rootston/config.c b/rootston/config.c
index dc7a4b1d..ff02ff1d 100644
--- a/rootston/config.c
+++ b/rootston/config.c
@@ -220,6 +220,7 @@ 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);
 		}
 
@@ -227,6 +228,9 @@ 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 b153e8c8..3a6d087e 100644
--- a/rootston/cursor.c
+++ b/rootston/cursor.c
@@ -383,11 +383,20 @@ static void handle_touch_motion(struct wl_listener *listener, void *data) {
 static void handle_tool_axis(struct wl_listener *listener, void *data) {
 	struct roots_input *input = wl_container_of(listener, input, cursor_tool_axis);
 	struct wlr_event_tablet_tool_axis *event = data;
+
 	if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
 			(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
 		wlr_cursor_warp_absolute(input->cursor, event->device,
 			event->x_mm / event->width_mm, event->y_mm / event->height_mm);
 		cursor_update_position(input, event->time_msec);
+	} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X)) {
+		wlr_cursor_warp_absolute(input->cursor, event->device,
+			event->x_mm / event->width_mm, -1);
+		cursor_update_position(input, event->time_msec);
+	} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
+		wlr_cursor_warp_absolute(input->cursor, event->device,
+			-1, event->y_mm / event->height_mm);
+		cursor_update_position(input, event->time_msec);
 	}
 }
 
diff --git a/rootston/desktop.c b/rootston/desktop.c
index b36a6932..78bd271a 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -35,36 +35,64 @@ void view_destroy(struct roots_view *view) {
 	free(view);
 }
 
-void view_get_size(struct roots_view *view, struct wlr_box *box) {
+void view_get_size(const struct roots_view *view, struct wlr_box *box) {
 	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;
+	box->x = view->x;
+	box->y = view->y;
 }
 
-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_size(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_size(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_size(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,
@@ -85,8 +113,8 @@ 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_size(view, &box);
 
 	struct roots_desktop *desktop = view->desktop;
 	struct wlr_cursor *cursor = desktop->server->input->cursor;
@@ -109,19 +137,20 @@ 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;
+	view_center(view);
 	set_view_focus(input, view->desktop, view);
+	struct wlr_box before;
+	view_get_size(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 baa7b6cc..c21c6781 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);
 
@@ -217,6 +227,7 @@ 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/xdg_shell_v6.c b/rootston/xdg_shell_v6.c
index ca33c582..ad0ee962 100644
--- a/rootston/xdg_shell_v6.c
+++ b/rootston/xdg_shell_v6.c
@@ -10,7 +10,7 @@
 #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