From 68e54315c37d1887c36e04e6f234b87560b4ba1c Mon Sep 17 00:00:00 2001
From: natinusala <natinusala@gmail.com>
Date: Tue, 12 Feb 2019 19:00:40 +0100
Subject: [PATCH] ozone: add rudimentary mouse support (not working)

---
 menu/drivers/ozone/ozone.c         | 27 ++++++++++++++++++++++++++-
 menu/drivers/ozone/ozone.h         |  2 ++
 menu/drivers/ozone/ozone_entries.c | 29 +++++++++++++++++++++++++----
 3 files changed, 53 insertions(+), 5 deletions(-)

diff --git a/menu/drivers/ozone/ozone.c b/menu/drivers/ozone/ozone.c
index 72ce1f42a9..c4448d93b1 100644
--- a/menu/drivers/ozone/ozone.c
+++ b/menu/drivers/ozone/ozone.c
@@ -1226,6 +1226,7 @@ static void ozone_frame(void *data, video_frame_info_t *video_info)
    font_driver_flush(video_info->width, video_info->height, ozone->fonts.entries_label, video_info);
 
    /* Cursor */
+#if OZONE_ENABLE_MOUSE
    if (ozone->show_cursor)
    {
       menu_display_set_alpha(ozone_pure_white, 1.0f);
@@ -1240,6 +1241,7 @@ static void ozone_frame(void *data, video_frame_info_t *video_info)
          video_info->height
       );
    }
+#endif
 
    menu_display_unset_viewport(video_info->width, video_info->height);
 }
@@ -1769,6 +1771,25 @@ static bool ozone_get_load_content_animation_data(void *userdata, menu_texture_i
 }
 #endif
 
+#if OZONE_ENABLE_MOUSE
+static int ozone_pointer_tap(void *userdata,
+      unsigned x, unsigned y, unsigned ptr,
+      menu_file_list_cbs_t *cbs,
+      menu_entry_t *entry, unsigned action)
+{
+   ozone_handle_t *ozone = (ozone_handle_t*) userdata;
+
+   size_t selection         = menu_navigation_get_selection();
+   if (ptr == selection && cbs && cbs->action_select)
+      return (unsigned)menu_entry_action(entry, (unsigned)selection, MENU_ACTION_SELECT);
+
+   menu_navigation_set_selection(ptr);
+   menu_driver_navigation_set(false);
+
+   return 0;
+}
+#endif
+
 menu_ctx_driver_t menu_ctx_ozone = {
    NULL,                         /* set_texture */
    ozone_messagebox,
@@ -1803,7 +1824,11 @@ menu_ctx_driver_t menu_ctx_ozone = {
    NULL,                         /* load_image */
    "ozone",
    ozone_environ_cb,
-   NULL,                         /* pointer_tap */
+#if OZONE_ENABLE_MOUSE
+   ozone_pointer_tap,
+#else
+   NULL,
+#endif
    NULL,                         /* update_thumbnail_path */
    NULL,                         /* update_thumbnail_image */
    NULL,                         /* set_thumbnail_system */
diff --git a/menu/drivers/ozone/ozone.h b/menu/drivers/ozone/ozone.h
index 62cd70e909..7eea03b8e8 100644
--- a/menu/drivers/ozone/ozone.h
+++ b/menu/drivers/ozone/ozone.h
@@ -27,6 +27,8 @@ typedef struct ozone_handle ozone_handle_t;
 #include "../../menu_driver.h"
 #include "../../../retroarch.h"
 
+#define OZONE_ENABLE_MOUSE 0 /* TODO: remove this define once it works */
+
 #define ANIMATION_PUSH_ENTRY_DURATION 10
 #define ANIMATION_CURSOR_DURATION 8
 #define ANIMATION_CURSOR_PULSE 30
diff --git a/menu/drivers/ozone/ozone_entries.c b/menu/drivers/ozone/ozone_entries.c
index e90ef5e105..ab462401cd 100644
--- a/menu/drivers/ozone/ozone_entries.c
+++ b/menu/drivers/ozone/ozone_entries.c
@@ -289,6 +289,10 @@ void ozone_draw_entries(ozone_handle_t *ozone, video_frame_info_t *video_info,
    size_t old_selection_y  = 0;
    int entry_padding       = ozone_get_entries_padding(ozone, old_list);
 
+   int16_t mouse_x   = menu_input_mouse_state(MENU_MOUSE_X_AXIS);
+
+   int16_t mouse_y   = menu_input_mouse_state(MENU_MOUSE_Y_AXIS);
+
    menu_entries_ctl(MENU_ENTRIES_CTL_START_GET, &i);
 
    entries_end    = file_list_get_size(selection_buf);
@@ -322,7 +326,11 @@ void ozone_draw_entries(ozone_handle_t *ozone, video_frame_info_t *video_info,
    {
       bool entry_selected     = selection == i;
       bool entry_old_selected = selection_old == i;
+
+      int border_start_x, border_start_y;
+
       ozone_node_t *node      = NULL;
+
       if (entry_selected)
          selection_y = y;
 
@@ -339,14 +347,27 @@ void ozone_draw_entries(ozone_handle_t *ozone, video_frame_info_t *video_info,
       else if (y + scroll_y - node->height - 20 > bottom_boundary)
          goto border_iterate;
 
+      border_start_x = ozone->dimensions.sidebar_width + x_offset + entry_padding;
+      border_start_y = y + scroll_y;
+
       menu_display_set_alpha(ozone->theme_dynamic.entries_border, alpha);
       menu_display_set_alpha(ozone->theme_dynamic.entries_checkmark, alpha);
 
       /* Borders */
-      menu_display_draw_quad(video_info, ozone->dimensions.sidebar_width + x_offset + entry_padding,
-         y + scroll_y, entry_width, 1, video_info->width, video_info->height, ozone->theme_dynamic.entries_border);
-      menu_display_draw_quad(video_info, ozone->dimensions.sidebar_width + x_offset + entry_padding,
-         y + button_height + scroll_y, entry_width, 1, video_info->width, video_info->height, ozone->theme_dynamic.entries_border);
+      menu_display_draw_quad(video_info, border_start_x,
+         border_start_y, entry_width, 1, video_info->width, video_info->height, ozone->theme_dynamic.entries_border);
+      menu_display_draw_quad(video_info, border_start_x,
+         border_start_y + button_height, entry_width, 1, video_info->width, video_info->height, ozone->theme_dynamic.entries_border);
+
+      /* Mouse click */
+#if OZONE_ENABLE_MOUSE
+      if (mouse_x >= border_start_x && mouse_x <= border_start_x + entry_width
+         && mouse_y >= border_start_y && mouse_y <= border_start_y + button_height)
+      {
+         selection_y = y;
+         menu_input_ctl(MENU_INPUT_CTL_MOUSE_PTR, &i);
+      }
+#endif
 
 border_iterate:
       y += node->height;