moel@202: /*
moel@176:
moel@176: Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@176:
moel@176: The contents of this file are subject to the Mozilla Public License Version
moel@176: 1.1 (the "License"); you may not use this file except in compliance with
moel@176: the License. You may obtain a copy of the License at
moel@176:
moel@176: http://www.mozilla.org/MPL/
moel@176:
moel@176: Software distributed under the License is distributed on an "AS IS" basis,
moel@176: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@176: for the specific language governing rights and limitations under the License.
moel@176:
moel@176: The Original Code is the Open Hardware Monitor code.
moel@176:
moel@176: The Initial Developer of the Original Code is
moel@176: Michael Möller <m.moeller@gmx.ch>.
moel@176: Portions created by the Initial Developer are Copyright (C) 2010
moel@176: the Initial Developer. All Rights Reserved.
moel@176:
moel@176: Contributor(s):
moel@176:
moel@176: Alternatively, the contents of this file may be used under the terms of
moel@176: either the GNU General Public License Version 2 or later (the "GPL"), or
moel@176: the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@176: in which case the provisions of the GPL or the LGPL are applicable instead
moel@176: of those above. If you wish to allow use of your version of this file only
moel@176: under the terms of either the GPL or the LGPL, and not to allow others to
moel@176: use your version of this file under the terms of the MPL, indicate your
moel@176: decision by deleting the provisions above and replace them with the notice
moel@176: and other provisions required by the GPL or the LGPL. If you do not delete
moel@176: the provisions above, a recipient may use your version of this file under
moel@176: the terms of any one of the MPL, the GPL or the LGPL.
moel@176:
moel@176: */
moel@176:
moel@176: using System;
moel@176: using System.Drawing;
moel@176: using System.Drawing.Drawing2D;
moel@176: using System.Drawing.Imaging;
moel@176: using System.Drawing.Text;
moel@176: using System.Windows.Forms;
moel@176:
moel@176: namespace OpenHardwareMonitor.GUI {
moel@176: public abstract class Gadget : IDisposable {
moel@176:
moel@176: private GadgetWindow window;
moel@176: private Bitmap buffer;
moel@176: private Graphics graphics;
moel@176:
moel@176: public Gadget() {
moel@176: this.window = new GadgetWindow();
moel@176: CreateBuffer();
moel@176: }
moel@176:
moel@181: public virtual void Dispose() {
moel@181: DisposeBuffer();
moel@176: }
moel@176:
moel@176: public Point Location {
moel@176: get {
moel@176: return window.Location;
moel@176: }
moel@176: set {
moel@176: window.Location = value;
moel@176: }
moel@176: }
moel@176:
moel@176: public event EventHandler LocationChanged {
moel@176: add {
moel@176: window.LocationChanged += value;
moel@176: }
moel@176: remove {
moel@176: window.LocationChanged -= value;
moel@176: }
moel@176: }
moel@176:
moel@183: public virtual Size Size {
moel@176: get {
moel@176: return window.Size;
moel@176: }
moel@183: set {
moel@183: this.window.Size = value;
moel@183: }
moel@183: }
moel@183:
moel@183: public event EventHandler SizeChanged {
moel@183: add {
moel@183: window.SizeChanged += value;
moel@183: }
moel@183: remove {
moel@183: window.SizeChanged -= value;
moel@176: }
moel@176: }
moel@176:
moel@176: public byte Opacity {
moel@176: get {
moel@176: return window.Opacity;
moel@176: }
moel@176: set {
moel@176: window.Opacity = value;
moel@176: }
moel@176: }
moel@176:
moel@183: public bool LockPositionAndSize {
moel@176: get {
moel@183: return window.LockPositionAndSize;
moel@176: }
moel@176: set {
moel@183: window.LockPositionAndSize = value;
moel@176: }
moel@176: }
moel@176:
moel@176: public bool AlwaysOnTop {
moel@176: get {
moel@176: return window.AlwaysOnTop;
moel@176: }
moel@176: set {
moel@176: window.AlwaysOnTop = value;
moel@176: }
moel@176: }
moel@176:
moel@176: public ContextMenu ContextMenu {
moel@176: get {
moel@176: return window.ContextMenu;
moel@176: }
moel@176: set {
moel@176: window.ContextMenu = value;
moel@176: }
moel@176: }
moel@176:
moel@183: public event HitTestEventHandler HitTest {
moel@183: add {
moel@183: window.HitTest += value;
moel@183: }
moel@183: remove {
moel@183: window.HitTest -= value;
moel@183: }
moel@244: }
moel@244:
moel@244: public event MouseEventHandler MouseDoubleClick {
moel@244: add {
moel@244: window.MouseDoubleClick += value;
moel@244: }
moel@244: remove {
moel@244: window.MouseDoubleClick -= value;
moel@244: }
moel@244: }
moel@183:
moel@176: private void CreateBuffer() {
moel@176: this.buffer = new Bitmap(window.Size.Width, window.Size.Height,
moel@176: PixelFormat.Format32bppArgb);
moel@176: this.graphics = Graphics.FromImage(this.buffer);
moel@176: if (Environment.OSVersion.Version.Major > 5) {
moel@176: this.graphics.TextRenderingHint = TextRenderingHint.SystemDefault;
moel@176: this.graphics.SmoothingMode = SmoothingMode.HighQuality;
moel@176: }
moel@176: }
moel@176:
moel@176: private void DisposeBuffer() {
moel@176: if (buffer != null) {
moel@176: this.buffer.Dispose();
moel@176: this.buffer = null;
moel@176: }
moel@176: if (graphics != null) {
moel@176: this.graphics.Dispose();
moel@176: this.graphics = null;
moel@176: }
moel@176: }
moel@176:
moel@176: public bool Visible {
moel@176: get {
moel@176: return window.Visible;
moel@176: }
moel@176: set {
moel@176: if (value != window.Visible) {
moel@202: window.Visible = value;
moel@176: if (value)
moel@202: Redraw();
moel@176: }
moel@176: }
moel@176: }
moel@176:
moel@176: public void Redraw() {
moel@202: if (!window.Visible)
moel@202: return;
moel@202:
moel@183: if (window.Size != buffer.Size) {
moel@183: DisposeBuffer();
moel@183: CreateBuffer();
moel@183: }
moel@183:
moel@176: OnPaint(new PaintEventArgs(graphics,
moel@176: new Rectangle(Point.Empty, window.Size)));
moel@176: window.Update(buffer);
moel@176: }
moel@176:
moel@176: protected abstract void OnPaint(PaintEventArgs e);
moel@176:
moel@176: }
moel@176: }