add region map image editor with basic functionality

include/ui/regionmappixmapitem.h

@@ -0,0 +1,36 @@
+#ifndef REGIONMAPPIXMAPITEM_H
+#define REGIONMAPPIXMAPITEM_H
+
+#include "regionmapeditor.h"
+#include "tilemaptileselector.h"
+#include <QGraphicsPixmapItem>
+
+class RegionMapPixmapItem : public QObject, public QGraphicsPixmapItem {
+    Q_OBJECT
+public:
+    RegionMapPixmapItem(RegionMap *rmap, TilemapTileSelector *tile_selector) {
+        this->region_map = rmap;
+        this->tile_selector = tile_selector;
+        setAcceptHoverEvents(true);
+    }
+    RegionMap *region_map;
+    TilemapTileSelector *tile_selector;
+    
+    virtual void paint(QGraphicsSceneMouseEvent*);
+    virtual void select(QGraphicsSceneMouseEvent*);
+    virtual void draw();
+
+signals:
+    void mouseEvent(QGraphicsSceneMouseEvent *, RegionMapPixmapItem *);
+    void hoveredRegionMapTileChanged(int x, int y);
+    void hoveredRegionMapTileCleared();
+
+protected:
+    void hoverMoveEvent(QGraphicsSceneHoverEvent*);
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent*);
+    void mousePressEvent(QGraphicsSceneMouseEvent*);
+    void mouseMoveEvent(QGraphicsSceneMouseEvent*);
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent*);
+};
+
+#endif // REGIONMAPPIXMAPITEM_H

include/ui/tilemaptileselector.h

@@ -0,0 +1,51 @@
+#ifndef TILEMAPTILESELECTOR_H
+#define TILEMAPTILESELECTOR_H
+
+#include "selectablepixmapitem.h"
+
+class TilemapTileSelector: public SelectablePixmapItem {
+    Q_OBJECT
+public:
+    TilemapTileSelector(QPixmap pixmap): SelectablePixmapItem(8, 8, 1, 1) {
+        this->pixmap = pixmap;
+        this->numTilesWide = 16;
+        this->selectedTile = 0x00;
+        setAcceptHoverEvents(true);
+    }
+    void draw();
+    void select(unsigned tileId);
+    unsigned getSelectedTile();
+
+    int pixelWidth;
+    int pixelHeight;
+
+    unsigned selectedTile;
+
+    // TODO: which of these need to be made public?
+    // call this tilemap? or is tilemap the binary file?
+    QPixmap pixmap;// pointer?
+    QImage currTile;// image of just the currently selected tile to draw onto graphicsview
+    QImage tileImg(unsigned tileId);
+
+protected:
+    void mousePressEvent(QGraphicsSceneMouseEvent*);
+    void mouseMoveEvent(QGraphicsSceneMouseEvent*);
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent*);
+    void hoverMoveEvent(QGraphicsSceneHoverEvent*);
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent*);
+
+private:
+    int numTilesWide;
+    int numTiles;
+    void updateSelectedTile();
+    unsigned getTileId(int x, int y);
+    QPoint getTileIdCoords(unsigned);
+    unsigned getValidTileId(unsigned);// TODO: implement this to prevent segfaults
+
+signals:
+    void hoveredTileChanged(unsigned);
+    void hoveredTileCleared();
+    void selectedTileChanged(unsigned);
+};
+
+#endif // TILEMAPTILESELECTOR_H