From 71f025c2b68195513db1a5fbc3b52e72d4b5067c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
Date: Tue, 23 Jun 2015 22:22:53 -0300
Subject: [PATCH] (RGUI) Fix delayed info/help/search screens

---
 menu/drivers/rgui.c | 47 +++++++++++++++++++++++++++++++++++++--------
 1 file changed, 39 insertions(+), 8 deletions(-)

diff --git a/menu/drivers/rgui.c b/menu/drivers/rgui.c
index 73fb78616f..7d9a5eb7ec 100644
--- a/menu/drivers/rgui.c
+++ b/menu/drivers/rgui.c
@@ -52,6 +52,10 @@
 #define TITLE_COLOR(settings)    (argb32_to_rgba4444(settings->menu.title_color))
 #endif
 
+typedef struct {
+   char msgbox[4096];
+} rgui_t;
+
 static INLINE uint16_t argb32_to_rgba4444(uint32_t col)
 {
    unsigned a = ((col >> 24) & 0xff) >> 4;
@@ -253,6 +257,18 @@ static void rgui_render_background(void)
          green_filler);
 }
 
+static void rgui_set_message(const char *message)
+{
+   menu_handle_t *menu = menu_driver_get_ptr();
+   rgui_t        *rgui = NULL;
+
+   if (!menu || !menu->userdata)
+      return;
+
+   rgui = (rgui_t*)menu->userdata;
+   strlcpy(rgui->msgbox, message, sizeof(rgui->msgbox));
+}
+
 static void rgui_render_messagebox(const char *message)
 {
    size_t i;
@@ -359,6 +375,7 @@ static void rgui_render(void)
    settings_t *settings           = config_get_ptr();
    menu_animation_t *anim         = menu_animation_get_ptr();
    uint64_t frame_count           = video_driver_get_frame_count();
+   rgui_t *rgui                   = NULL;
 
    title[0]     = '\0';
    title_buf[0] = '\0';
@@ -367,16 +384,17 @@ static void rgui_render(void)
 
    (void)driver;
 
-   if (!menu)
+   if (!menu || !menu->userdata)
       return;
 
-   if (menu_entries_needs_refresh() && menu_driver_alive() && !disp->msg_force)
-      return;
+   rgui = menu->userdata;
 
-   if (runloop->is_idle)
-      return;
-
-   if (!menu_display_update_pending())
+   if (menu_entries_needs_refresh()
+       && menu_driver_alive()
+       && !disp->msg_force
+       && runloop->is_idle
+       && !menu_display_update_pending()
+       && rgui->msgbox[0] == '\0')
       return;
 
    /* ensures the framebuffer will be rendered on the screen */
@@ -384,6 +402,7 @@ static void rgui_render(void)
    anim->is_active           = false;
    anim->label.is_updated    = false;
 
+
    if (settings->menu.pointer.enable)
    {
       menu_input->pointer.ptr = menu_input->pointer.y / 11 - 2 + menu_entries_get_start();
@@ -530,6 +549,12 @@ static void rgui_render(void)
       rgui_render_messagebox(msg);
    }
 
+   if (rgui->msgbox[0] != '\0')
+   {
+      rgui_render_messagebox(rgui->msgbox);
+      rgui->msgbox[0] = '\0';
+   }
+
    if (settings->menu.mouse.enable)
       rgui_blit_cursor(menu);
 }
@@ -539,10 +564,16 @@ static void *rgui_init(void)
    bool                   ret = false;
    menu_framebuf_t *frame_buf = NULL;
    menu_handle_t        *menu = (menu_handle_t*)calloc(1, sizeof(*menu));
+   rgui_t               *rgui = NULL;
 
    if (!menu)
       return NULL;
 
+   menu->userdata = rgui = (rgui_t*)calloc(1, sizeof(rgui_t));
+
+   if (!rgui)
+      goto error;
+
    frame_buf                  = &menu->display.frame_buf;
 
    /* 4 extra lines to cache  the checked background */
@@ -687,7 +718,7 @@ static void rgui_populate_entries(const char *path,
 
 menu_ctx_driver_t menu_ctx_rgui = {
    rgui_set_texture,
-   rgui_render_messagebox,
+   rgui_set_message,
    rgui_render,
    NULL,
    rgui_init,