2 files changed, 64 insertions, 0 deletions

diff --git a/MainWindow.cpp b/MainWindow.cpp
index 1c0cc27..36963be 100644
--- a/MainWindow.cpp
+++ b/MainWindow.cpp
@@ -27,6 +27,8 @@ FXDEFMAP(MainWindow) MainWindow_Map[]=
 	FXMAPFUNC(SEL_COMMAND, MainWindow::UI_New, MainWindow::on_New_Click),
 	FXMAPFUNC(SEL_RIGHTBUTTONPRESS, MainWindow::UI_Tile, MainWindow::on_Tile_Right_Click),
 	FXMAPFUNC(SEL_TIMEOUT, MainWindow::UI_Timer_Tick, MainWindow::on_Timer_Tick),
+	FXMAPFUNC(SEL_KEYPRESS, 0, MainWindow::on_Key_Press),
+	FXMAPFUNC(SEL_KEYRELEASE, 0, MainWindow::on_Key_Release),
 };
 FXIMPLEMENT(MainWindow, FXMainWindow, MainWindow_Map, ARRAYNUMBER(MainWindow_Map))
 
@@ -353,3 +355,62 @@ MainWindow::on_New_Click(FXObject *sender, FXSelector sel, void *data)
 	}
 	return 1;
 }
+
+long
+MainWindow::on_Key_Press(FXObject *sender, FXSelector sel, void *data)
+{
+	FXEvent* event=(FXEvent*)data;
+	switch(event->code)
+	{
+		/* show mine positons while left control held */
+		case KEY_Control_L:
+			FXButton *button;
+			Tile *tile;
+			int x, y;
+			for(auto b = tile_buttons.begin(); b != tile_buttons.end(); ++b)
+			{
+				button = (*b).get();
+				x = matrix->colOfChild(button);
+				y = matrix->rowOfChild(button);
+				tile = board->get_tile_at(x, y);
+				if (tile->is_mine())
+				{
+					button->setBackColor(FXRGB(0, 255, 0)); // make mines green
+				}
+			}
+			break;
+		default:
+			break;
+	}
+	return 1;
+}
+
+long
+MainWindow::on_Key_Release(FXObject *sender, FXSelector sel, void *data)
+{
+	FXEvent* event=(FXEvent*)data;
+	switch(event->code)
+	{
+		case KEY_Control_L:
+			FXButton *button;
+			Tile *tile;
+			int x, y;
+			for(auto b = tile_buttons.begin(); b != tile_buttons.end(); ++b)
+			{
+				button = (*b).get();
+				x = matrix->colOfChild(button);
+				y = matrix->rowOfChild(button);
+				tile = board->get_tile_at(x, y);
+				if (tile->is_mine())
+				{
+					button->setBackColor(canvasFrame->getBackColor()); // make mines normal
+				}
+			}
+			break;
+
+		default:
+			break;
+	}
+
+	return 1;
+}
diff --git a/MainWindow.h b/MainWindow.h
index 50d7493..ed252c7 100644
--- a/MainWindow.h
+++ b/MainWindow.h
@@ -21,6 +21,7 @@
 #include <FXMessageBox.h>
 #include <algorithm>
 #include <string>
+#include <fxkeys.h>
 #include "Board.h"
 #include "icons.h"
 
@@ -46,6 +47,8 @@ class MainWindow : public FXMainWindow
 		long on_New_Click(FXObject *sender, FXSelector sel, void *data);
 		long on_Tile_Right_Click(FXObject *sender, FXSelector sel, void *data);
 		long on_Timer_Tick(FXObject *sender, FXSelector sel, void *data);
+		long on_Key_Press(FXObject *sender, FXSelector sel, void *data);
+		long on_Key_Release(FXObject *sender, FXSelector sel, void *data);
 		FXApp *get_app(){ return app; };