kiosk-shell: Enable debug keybindings

We are missing debug keybinds in kiosk-shell so install them. Adds
the binding-modifier like in desktop-shell in a helper.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>

kiosk-shell/kiosk-shell.c

@@ -1064,15 +1064,21 @@ kiosk_shell_touch_to_activate_binding(struct weston_touch *touch,
 static void
 kiosk_shell_add_bindings(struct kiosk_shell *shell)
 {
-	weston_compositor_add_button_binding(shell->compositor, BTN_LEFT, 0,
+	uint32_t mod = 0;
+
+	mod = weston_shell_get_binding_modifier(shell->config, MODIFIER_SUPER);
+
+	weston_compositor_add_button_binding(shell->compositor, BTN_LEFT, mod,
 					     kiosk_shell_click_to_activate_binding,
 					     shell);
-	weston_compositor_add_button_binding(shell->compositor, BTN_RIGHT, 0,
+	weston_compositor_add_button_binding(shell->compositor, BTN_RIGHT, mod,
 					     kiosk_shell_click_to_activate_binding,
 					     shell);
-	weston_compositor_add_touch_binding(shell->compositor, 0,
+	weston_compositor_add_touch_binding(shell->compositor, mod,
 					    kiosk_shell_touch_to_activate_binding,
 					    shell);
+
+	weston_install_debug_key_binding(shell->compositor, mod);
 }
 
 static void

shell-utils/shell-utils.c

@@ -212,3 +212,34 @@ weston_curtain_destroy(struct weston_curtain *curtain)
 	weston_buffer_destroy_solid(curtain->buffer_ref);
 	free(curtain);
 }
+
+uint32_t
+weston_shell_get_binding_modifier(struct weston_config *config,
+				  uint32_t default_mod)
+{
+	struct weston_config_section *shell_section = NULL;
+	char *mod_string = NULL;
+	uint32_t mod = default_mod;
+
+	if (config)
+		shell_section = weston_config_get_section(config, "shell", NULL, NULL);
+
+	if (shell_section)
+		weston_config_section_get_string(shell_section,
+				"binding-modifier", &mod_string, "super");
+
+	if (!mod_string || !strcmp(mod_string, "none"))
+		mod = default_mod;
+	else if (!strcmp(mod_string, "super"))
+		mod = MODIFIER_SUPER;
+	else if (!strcmp(mod_string, "alt"))
+		mod = MODIFIER_ALT;
+	else if (!strcmp(mod_string, "ctrl"))
+		mod = MODIFIER_CTRL;
+	else if (!strcmp(mod_string, "shift"))
+		mod = MODIFIER_SHIFT;
+
+	free(mod_string);
+
+	return mod;
+}

shell-utils/shell-utils.h

@@ -26,6 +26,9 @@
 #include "shared/helpers.h"
 #include <libweston/libweston.h>
 
+#include <libweston/config-parser.h>
+#include <string.h>
+
 /* parameter for weston_curtain_create() */
 struct weston_curtain_params {
 	int (*get_label)(struct weston_surface *es, char *buf, size_t len);
@@ -63,3 +66,6 @@ weston_curtain_create(struct weston_compositor *compositor,
 		      struct weston_curtain_params *params);
 void
 weston_curtain_destroy(struct weston_curtain *curtain);
+
+uint32_t
+weston_shell_get_binding_modifier(struct weston_config *config, uint32_t default_mod);