desktop-shell: Split out input-panel code
diff --git a/desktop-shell/shell.c b/desktop-shell/shell.c
index 47f6a59..de54e37 100644
--- a/desktop-shell/shell.c
+++ b/desktop-shell/shell.c
@@ -36,7 +36,6 @@
 
 #include "shell.h"
 #include "desktop-shell-server-protocol.h"
-#include "input-method-server-protocol.h"
 #include "workspaces-server-protocol.h"
 #include "../shared/config-parser.h"
 #include "xdg-shell-server-protocol.h"
@@ -53,21 +52,6 @@
 	struct wl_listener surface_destroy_listener;
 };
 
-struct input_panel_surface {
-	struct wl_resource *resource;
-	struct wl_signal destroy_signal;
-
-	struct desktop_shell *shell;
-
-	struct wl_list link;
-	struct weston_surface *surface;
-	struct weston_view *view;
-	struct wl_listener surface_destroy_listener;
-
-	struct weston_output *output;
-	uint32_t panel;
-};
-
 struct shell_output {
 	struct desktop_shell  *shell;
 	struct weston_output  *output;
@@ -4735,70 +4719,6 @@
 }
 
 static void
-show_input_panels(struct wl_listener *listener, void *data)
-{
-	struct desktop_shell *shell =
-		container_of(listener, struct desktop_shell,
-			     show_input_panel_listener);
-	struct input_panel_surface *ipsurf, *next;
-
-	shell->text_input.surface = (struct weston_surface*)data;
-
-	if (shell->showing_input_panels)
-		return;
-
-	shell->showing_input_panels = true;
-
-	if (!shell->locked)
-		wl_list_insert(&shell->panel_layer.link,
-			       &shell->input_panel_layer.link);
-
-	wl_list_for_each_safe(ipsurf, next,
-			      &shell->input_panel.surfaces, link) {
-		if (!ipsurf->surface->buffer_ref.buffer)
-			continue;
-		wl_list_insert(&shell->input_panel_layer.view_list,
-			       &ipsurf->view->layer_link);
-		weston_view_geometry_dirty(ipsurf->view);
-		weston_view_update_transform(ipsurf->view);
-		weston_surface_damage(ipsurf->surface);
-		weston_slide_run(ipsurf->view, ipsurf->surface->height,
-				 0, NULL, NULL);
-	}
-}
-
-static void
-hide_input_panels(struct wl_listener *listener, void *data)
-{
-	struct desktop_shell *shell =
-		container_of(listener, struct desktop_shell,
-			     hide_input_panel_listener);
-	struct weston_view *view, *next;
-
-	if (!shell->showing_input_panels)
-		return;
-
-	shell->showing_input_panels = false;
-
-	if (!shell->locked)
-		wl_list_remove(&shell->input_panel_layer.link);
-
-	wl_list_for_each_safe(view, next,
-			      &shell->input_panel_layer.view_list, layer_link)
-		weston_view_unmap(view);
-}
-
-static void
-update_input_panels(struct wl_listener *listener, void *data)
-{
-	struct desktop_shell *shell =
-		container_of(listener, struct desktop_shell,
-			     update_input_panel_listener);
-
-	memcpy(&shell->text_input.cursor_rectangle, data, sizeof(pixman_box32_t));
-}
-
-static void
 center_on_output(struct weston_view *view, struct weston_output *output)
 {
 	int32_t surf_x, surf_y, width, height;
@@ -5233,226 +5153,6 @@
 	wl_resource_destroy(resource);
 }
 
-static void
-input_panel_configure(struct weston_surface *surface, int32_t sx, int32_t sy)
-{
-	struct input_panel_surface *ip_surface = surface->configure_private;
-	struct desktop_shell *shell = ip_surface->shell;
-	float x, y;
-	uint32_t show_surface = 0;
-
-	if (surface->width == 0)
-		return;
-
-	if (!weston_surface_is_mapped(surface)) {
-		if (!shell->showing_input_panels)
-			return;
-
-		show_surface = 1;
-	}
-
-	fprintf(stderr, "%s panel: %d, output: %p\n", __FUNCTION__, ip_surface->panel, ip_surface->output);
-
-	if (ip_surface->panel) {
-		x = get_default_view(shell->text_input.surface)->geometry.x + shell->text_input.cursor_rectangle.x2;
-		y = get_default_view(shell->text_input.surface)->geometry.y + shell->text_input.cursor_rectangle.y2;
-	} else {
-		x = ip_surface->output->x + (ip_surface->output->width - surface->width) / 2;
-		y = ip_surface->output->y + ip_surface->output->height - surface->height;
-	}
-
-	weston_view_set_position(ip_surface->view, x, y);
-
-	if (show_surface) {
-		wl_list_insert(&shell->input_panel_layer.view_list,
-			       &ip_surface->view->layer_link);
-		weston_view_update_transform(ip_surface->view);
-		weston_surface_damage(surface);
-		weston_slide_run(ip_surface->view, ip_surface->view->surface->height, 0, NULL, NULL);
-	}
-}
-
-static void
-destroy_input_panel_surface(struct input_panel_surface *input_panel_surface)
-{
-	wl_signal_emit(&input_panel_surface->destroy_signal, input_panel_surface);
-
-	wl_list_remove(&input_panel_surface->surface_destroy_listener.link);
-	wl_list_remove(&input_panel_surface->link);
-
-	input_panel_surface->surface->configure = NULL;
-	weston_view_destroy(input_panel_surface->view);
-
-	free(input_panel_surface);
-}
-
-static struct input_panel_surface *
-get_input_panel_surface(struct weston_surface *surface)
-{
-	if (surface->configure == input_panel_configure) {
-		return surface->configure_private;
-	} else {
-		return NULL;
-	}
-}
-
-static void
-input_panel_handle_surface_destroy(struct wl_listener *listener, void *data)
-{
-	struct input_panel_surface *ipsurface = container_of(listener,
-							     struct input_panel_surface,
-							     surface_destroy_listener);
-
-	if (ipsurface->resource) {
-		wl_resource_destroy(ipsurface->resource);
-	} else {
-		destroy_input_panel_surface(ipsurface);
-	}
-}
-
-static struct input_panel_surface *
-create_input_panel_surface(struct desktop_shell *shell,
-			   struct weston_surface *surface)
-{
-	struct input_panel_surface *input_panel_surface;
-
-	input_panel_surface = calloc(1, sizeof *input_panel_surface);
-	if (!input_panel_surface)
-		return NULL;
-
-	surface->configure = input_panel_configure;
-	surface->configure_private = input_panel_surface;
-
-	input_panel_surface->shell = shell;
-
-	input_panel_surface->surface = surface;
-	input_panel_surface->view = weston_view_create(surface);
-
-	wl_signal_init(&input_panel_surface->destroy_signal);
-	input_panel_surface->surface_destroy_listener.notify = input_panel_handle_surface_destroy;
-	wl_signal_add(&surface->destroy_signal,
-		      &input_panel_surface->surface_destroy_listener);
-
-	wl_list_init(&input_panel_surface->link);
-
-	return input_panel_surface;
-}
-
-static void
-input_panel_surface_set_toplevel(struct wl_client *client,
-				 struct wl_resource *resource,
-				 struct wl_resource *output_resource,
-				 uint32_t position)
-{
-	struct input_panel_surface *input_panel_surface =
-		wl_resource_get_user_data(resource);
-	struct desktop_shell *shell = input_panel_surface->shell;
-
-	wl_list_insert(&shell->input_panel.surfaces,
-		       &input_panel_surface->link);
-
-	input_panel_surface->output = wl_resource_get_user_data(output_resource);
-	input_panel_surface->panel = 0;
-}
-
-static void
-input_panel_surface_set_overlay_panel(struct wl_client *client,
-				      struct wl_resource *resource)
-{
-	struct input_panel_surface *input_panel_surface =
-		wl_resource_get_user_data(resource);
-	struct desktop_shell *shell = input_panel_surface->shell;
-
-	wl_list_insert(&shell->input_panel.surfaces,
-		       &input_panel_surface->link);
-
-	input_panel_surface->panel = 1;
-}
-
-static const struct wl_input_panel_surface_interface input_panel_surface_implementation = {
-	input_panel_surface_set_toplevel,
-	input_panel_surface_set_overlay_panel
-};
-
-static void
-destroy_input_panel_surface_resource(struct wl_resource *resource)
-{
-	struct input_panel_surface *ipsurf =
-		wl_resource_get_user_data(resource);
-
-	destroy_input_panel_surface(ipsurf);
-}
-
-static void
-input_panel_get_input_panel_surface(struct wl_client *client,
-				    struct wl_resource *resource,
-				    uint32_t id,
-				    struct wl_resource *surface_resource)
-{
-	struct weston_surface *surface =
-		wl_resource_get_user_data(surface_resource);
-	struct desktop_shell *shell = wl_resource_get_user_data(resource);
-	struct input_panel_surface *ipsurf;
-
-	if (get_input_panel_surface(surface)) {
-		wl_resource_post_error(surface_resource,
-				       WL_DISPLAY_ERROR_INVALID_OBJECT,
-				       "wl_input_panel::get_input_panel_surface already requested");
-		return;
-	}
-
-	ipsurf = create_input_panel_surface(shell, surface);
-	if (!ipsurf) {
-		wl_resource_post_error(surface_resource,
-				       WL_DISPLAY_ERROR_INVALID_OBJECT,
-				       "surface->configure already set");
-		return;
-	}
-
-	ipsurf->resource =
-		wl_resource_create(client,
-				   &wl_input_panel_surface_interface, 1, id);
-	wl_resource_set_implementation(ipsurf->resource,
-				       &input_panel_surface_implementation,
-				       ipsurf,
-				       destroy_input_panel_surface_resource);
-}
-
-static const struct wl_input_panel_interface input_panel_implementation = {
-	input_panel_get_input_panel_surface
-};
-
-static void
-unbind_input_panel(struct wl_resource *resource)
-{
-	struct desktop_shell *shell = wl_resource_get_user_data(resource);
-
-	shell->input_panel.binding = NULL;
-}
-
-static void
-bind_input_panel(struct wl_client *client,
-	      void *data, uint32_t version, uint32_t id)
-{
-	struct desktop_shell *shell = data;
-	struct wl_resource *resource;
-
-	resource = wl_resource_create(client,
-				      &wl_input_panel_interface, 1, id);
-
-	if (shell->input_panel.binding == NULL) {
-		wl_resource_set_implementation(resource,
-					       &input_panel_implementation,
-					       shell, unbind_input_panel);
-		shell->input_panel.binding = resource;
-		return;
-	}
-
-	wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
-			       "interface object already bound");
-	wl_resource_destroy(resource);
-}
-
 struct switcher {
 	struct desktop_shell *shell;
 	struct weston_surface *current;
@@ -5939,8 +5639,8 @@
 
 	wl_list_remove(&shell->idle_listener.link);
 	wl_list_remove(&shell->wake_listener.link);
-	wl_list_remove(&shell->show_input_panel_listener.link);
-	wl_list_remove(&shell->hide_input_panel_listener.link);
+
+	input_panel_destroy(shell);
 
 	wl_list_for_each_safe(shell_output, tmp, &shell->output_list, link) {
 		wl_list_remove(&shell_output->destroy_listener.link);
@@ -6068,12 +5768,7 @@
 	wl_signal_add(&ec->idle_signal, &shell->idle_listener);
 	shell->wake_listener.notify = wake_handler;
 	wl_signal_add(&ec->wake_signal, &shell->wake_listener);
-	shell->show_input_panel_listener.notify = show_input_panels;
-	wl_signal_add(&ec->show_input_panel_signal, &shell->show_input_panel_listener);
-	shell->hide_input_panel_listener.notify = hide_input_panels;
-	wl_signal_add(&ec->hide_input_panel_signal, &shell->hide_input_panel_listener);
-	shell->update_input_panel_listener.notify = update_input_panels;
-	wl_signal_add(&ec->update_input_panel_signal, &shell->update_input_panel_listener);
+
 	ec->ping_handler = ping_handler;
 	ec->shell_interface.shell = shell;
 	ec->shell_interface.create_shell_surface = create_shell_surface;
@@ -6086,8 +5781,6 @@
 	ec->shell_interface.resize = surface_resize;
 	ec->shell_interface.set_title = set_title;
 
-	wl_list_init(&shell->input_panel.surfaces);
-
 	weston_layer_init(&shell->fullscreen_layer, &ec->cursor_layer.link);
 	weston_layer_init(&shell->panel_layer, &shell->fullscreen_layer.link);
 	weston_layer_init(&shell->background_layer, &shell->panel_layer.link);
@@ -6097,6 +5790,9 @@
 	wl_array_init(&shell->workspaces.array);
 	wl_list_init(&shell->workspaces.client_list);
 
+	if (input_panel_setup(shell) < 0)
+		return -1;
+
 	shell_configuration(shell);
 
 	shell->exposay.state_cur = EXPOSAY_LAYOUT_INACTIVE;
@@ -6134,10 +5830,6 @@
 			     shell, bind_screensaver) == NULL)
 		return -1;
 
-	if (wl_global_create(ec->wl_display, &wl_input_panel_interface, 1,
-				  shell, bind_input_panel) == NULL)
-		return -1;
-
 	if (wl_global_create(ec->wl_display, &workspace_manager_interface, 1,
 			     shell, bind_workspace_manager) == NULL)
 		return -1;