From 4292109753c35f65eaaddbb212d9b3961380b631 Mon Sep 17 00:00:00 2001
From: Duncan Frost <duncans_pumpkin@hotmail.co.uk>
Date: Wed, 13 Aug 2014 20:47:30 +0100
Subject: [PATCH] Added gfx_invalidate_window

---
 src/gfx.c                     | 12 ++++++++++++
 src/gfx.h                     |  3 +++
 src/window.c                  |  4 ++--
 src/window_game_top_toolbar.c |  2 +-
 src/window_peep.c             |  2 +-
 5 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/gfx.c b/src/gfx.c
index 59350e680d..ca67b4e4cf 100644
--- a/src/gfx.c
+++ b/src/gfx.c
@@ -1235,6 +1235,18 @@ void gfx_draw_string_centred(rct_drawpixelinfo *dpi, int format, int x, int y, i
 	}
 }
 
+/**
+*
+*  rct2: 0x006EB13A
+*/
+void gfx_invalidate_window(rct_window* w)
+{
+	if (!w)return;
+	int width = w->x + w->width;
+	int height = w->y + w->height;
+	gfx_set_dirty_blocks(w->x, w->y, width, height);
+}
+
 /**
  *
  *  rct2: 0x006ED7E5
diff --git a/src/gfx.h b/src/gfx.h
index 476f7420ac..0755f84e76 100644
--- a/src/gfx.h
+++ b/src/gfx.h
@@ -92,6 +92,9 @@ void gfx_draw_all_dirty_blocks();
 void gfx_redraw_screen_rect(short left, short top, short right, short bottom);
 void gfx_invalidate_screen();
 
+typedef struct rct_window rct_window;
+void gfx_invalidate_window(rct_window *w);
+
 void gfx_draw_rain(int left, int top, int width, int height, uint32 x_start, uint32 y_start);
 
 rct_drawpixelinfo* clip_drawpixelinfo(rct_drawpixelinfo* dpi, int left, int width, int top, int height);
diff --git a/src/window.c b/src/window.c
index fe9363d2d4..62a32b1b98 100644
--- a/src/window.c
+++ b/src/window.c
@@ -924,7 +924,7 @@ void window_zoom_in(rct_window *w)
 	w->saved_view_x += v->view_width >> 1;
 	w->saved_view_y += v->view_height >> 1;
 
-	RCT2_CALLPROC_X(0x006EB13A, 0, 0, 0, 0, (int)w, 0, 0);
+	gfx_invalidate_window(w);
 }
 
 /**
@@ -951,7 +951,7 @@ void window_zoom_out(rct_window *w)
 	w->saved_view_x -= width / 2;
 	w->saved_view_y -= height >> 1;
 
-	RCT2_CALLPROC_X(0x006EB13A, 0, 0, 0, 0, (int)w, 0, 0);
+	gfx_invalidate_window(w);
 }
 
 /**
diff --git a/src/window_game_top_toolbar.c b/src/window_game_top_toolbar.c
index ae7981d55a..b0c37d2687 100644
--- a/src/window_game_top_toolbar.c
+++ b/src/window_game_top_toolbar.c
@@ -447,7 +447,7 @@ static void window_game_top_toolbar_dropdown()
 			default:
 				return;
 			}
-			RCT2_CALLPROC_X(0x6EB13A, 0, 0, 0, 0, (int)w, 0, 0);
+			gfx_invalidate_window(w);
 		}
 	}
 }
diff --git a/src/window_peep.c b/src/window_peep.c
index 049a36142b..e9d8c91524 100644
--- a/src/window_peep.c
+++ b/src/window_peep.c
@@ -161,7 +161,7 @@ void window_peep_open(rct_peep* peep){
 	}
 	
 	window->page = 0;
-	RCT2_CALLPROC_X(0x006EB13A, 0, 0, 0, 0, (int)window, 0, 0);
+	gfx_invalidate_window(window);
 	
 	window->widgets = RCT2_GLOBAL(0x981D0C, rct_widget*);
 	window->enabled_widgets = RCT2_GLOBAL(0x981D3C,uint32);