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engines/bladerunner/ui/ui_image_picker.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef BLADERUNNER_UI_IMAGE_PICKER_H
+#define BLADERUNNER_UI_IMAGE_PICKER_H
+
+#include "common/array.h"
+#include "common/rect.h"
+#include "common/str.h"
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace BladeRunner {
+
+class BladeRunnerEngine;
+class Shape;
+
+typedef void UIImagePickerCallback(int, void *);
+
+class UIImagePicker {
+	struct Image {
+		int             active;
+		Common::Rect    rect;
+		const Shape    *shapeUp;
+		const Shape    *shapeHovered;
+		const Shape    *shapeDown;
+		Common::String  tooltip;
+	};
+
+	BladeRunnerEngine *_vm;
+
+	int    _isVisible;
+	int    _imageCount;
+	int    _hoveredImageIndex;
+	int    _pressedImageIndex;
+	uint32 _hoverStartTimestamp;
+	int    _isButtonDown;
+	Common::Array<Image> _images;
+
+	UIImagePickerCallback *_mouseInCallback;
+	UIImagePickerCallback *_mouseOutCallback;
+	UIImagePickerCallback *_mouseDownCallback;
+	UIImagePickerCallback *_mouseUpCallback;
+	void *_callbackData;
+
+public:
+	UIImagePicker(BladeRunnerEngine *vm, int imageCount);
+	~UIImagePicker();
+
+	void resetImages();
+	bool defineImage(int i, Common::Rect rect, const Shape *shapeUp, const Shape *shapeHovered, const Shape *shapeDown, const char *tooltip);
+
+	bool setImageTop(int i, int top);
+	bool setImageLeft(int i, int left);
+	bool setImageWidth(int i, int16 width);
+	bool setImageShapeUp(int i, const Shape *shapeUp);
+	bool setImageShapeHovered(int i, const Shape *shapeHovered);
+	bool setImageShapeDown(int i, const Shape *shapeDown);
+	bool setImageTooltip(int i, const char *tooltip);
+
+	int getImageTop(int i);
+	int getImageLeft(int i);
+	int getImageWidth(int i);
+
+	bool resetActiveImage(int i);
+
+	void activate(UIImagePickerCallback *mouseInCallback,
+	              UIImagePickerCallback *mouseOutCallback,
+	              UIImagePickerCallback *mouseDownCallback,
+	              UIImagePickerCallback *mouseUpCallback,
+	              void *callbackData);
+
+	void deactivate();
+
+	void draw(Graphics::Surface &surface);
+	void drawTooltip(Graphics::Surface &surface, int x, int y);
+
+	bool handleMouseAction(int x, int y, bool down, bool up, bool ignore = false);
+
+	void resetImage(int i);
+	bool hasHoveredImage();
+
+	void reset();
+};
+
+} // End of namespace BladeRunner
+
+#endif