underground patch applied

1 files changed, 47 insertions, 0 deletions

diff --git a/src/toolbar_gui.cpp b/src/toolbar_gui.cpp
index 13c52f2b4..068a1962e 100644
--- a/src/toolbar_gui.cpp
+++ b/src/toolbar_gui.cpp
@@ -11,7 +11,10 @@
 #include "gui.h"
 #include "window_gui.h"
 #include "window_func.h"
+#include "layer_gui.h"
+#include "layer_func.h"
 #include "viewport_func.h"
+#include "landscape.h"
 #include "command_func.h"
 #include "vehicle_gui.h"
 #include "rail_gui.h"
@@ -21,6 +24,7 @@
 #include "vehicle_func.h"
 #include "sound_func.h"
 #include "terraform_gui.h"
+#include "underground_gui.h"
 #include "strings_func.h"
 #include "company_func.h"
 #include "company_gui.h"
@@ -980,6 +984,48 @@ static CallBackFunction ToolbarForestClick(Window *w)
 	return CBF_NONE;
 }
 
+bool ScrollWindowRel(ViewportData *viewport, int dx, int dy)
+{
+	Point pt = RemapCoords(dx, dy, 0);
+
+	viewport->dest_scrollpos_x += pt.x;
+	viewport->dest_scrollpos_y += pt.y;
+	return true;
+}
+
+void SelectLayer(ViewportData *viewport, int layer)
+{
+	if (layer < 0) layer = 0;
+	if (uint(layer) >= LayerCount()) layer = LayerCount() - 1; 
+
+	int delta_layer = calculateLayer(viewport) - layer;
+	bool res = ScrollWindowRel(viewport, 0, -delta_layer * LayerSizeY() * TILE_SIZE);
+}
+
+void SelectLayerInMainWindow(int layer)
+{
+	Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
+	SelectLayer(w->viewport, layer);
+	w->InvalidateData();
+}
+
+/**
+ * Handle click on the entry in the underground menu.
+ *
+ * @param index Menu entry clicked.
+ */
+static void ToMenuClickUnderground(int index)
+{
+	switch (index) {
+		case 4: ShowUndergroundToolbar();  break;
+
+		case 6: SelectLayerInMainWindow(index-6); break;
+		case 7: SelectLayerInMainWindow(index-6); break;
+		case 8: SelectLayerInMainWindow(index-6); break;
+		case 9: SelectLayerInMainWindow(index-6); break;
+	}
+}
+
 /**
  * Handle click on the entry in the landscaping menu.
  *
@@ -993,6 +1039,7 @@ static CallBackFunction MenuClickForest(int index)
 		case 1: ShowBuildTreesToolbar(); break;
 		case 2: return SelectSignTool();
 	}
+	ToMenuClickUnderground(index);
 	return CBF_NONE;
 }