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Fixed some capture issues, when trying to capture or show thumbnails of Windows that are iconized the size calculations are wrong.

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2206 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-10-26 18:07:55 +00:00
commit 4a3161a281
5 changed files with 147 additions and 142 deletions
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159
GreenshotPlugin/Controls/ThumbnailForm.cs
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@ -26,92 +26,93 @@ using System.Drawing;
using GreenshotPlugin.UnmanagedHelpers;
namespace GreenshotPlugin.Controls {
/// <summary>
/// This form allows us to show a Thumbnail preview of a window near the context menu when selecting a window to capture.
/// Didn't make it completely "generic" yet, but at least most logic is in here so we don't have it in the mainform.
/// </summary>
public class ThumbnailForm : FormWithoutActivation {
private static CoreConfiguration conf = IniConfig.GetIniSection<CoreConfiguration>();
/// <summary>
/// This form allows us to show a Thumbnail preview of a window near the context menu when selecting a window to capture.
/// Didn't make it completely "generic" yet, but at least most logic is in here so we don't have it in the mainform.
/// </summary>
public class ThumbnailForm : FormWithoutActivation {
private static CoreConfiguration conf = IniConfig.GetIniSection<CoreConfiguration>();
private IntPtr thumbnailHandle = IntPtr.Zero;
private Rectangle parentMenuBounds = Rectangle.Empty;
private IntPtr thumbnailHandle = IntPtr.Zero;
private Rectangle parentMenuBounds = Rectangle.Empty;
public ThumbnailForm() {
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.None;
TopMost = false;
Enabled = false;
if (conf.WindowCaptureMode == WindowCaptureMode.Auto || conf.WindowCaptureMode == WindowCaptureMode.Aero) {
BackColor = Color.FromArgb(255, conf.DWMBackgroundColor.R, conf.DWMBackgroundColor.G, conf.DWMBackgroundColor.B);
} else {
BackColor = Color.White;
}
public ThumbnailForm() {
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.None;
TopMost = false;
Enabled = false;
if (conf.WindowCaptureMode == WindowCaptureMode.Auto || conf.WindowCaptureMode == WindowCaptureMode.Aero) {
BackColor = Color.FromArgb(255, conf.DWMBackgroundColor.R, conf.DWMBackgroundColor.G, conf.DWMBackgroundColor.B);
} else {
BackColor = Color.White;
}
// cleanup at close
this.FormClosing += delegate {
UnregisterThumbnail();
};
}
// cleanup at close
this.FormClosing += delegate {
UnregisterThumbnail();
};
}
public new void Hide() {
UnregisterThumbnail();
base.Hide();
}
public new void Hide() {
UnregisterThumbnail();
base.Hide();
}
private void UnregisterThumbnail() {
if (thumbnailHandle != IntPtr.Zero) {
DWM.DwmUnregisterThumbnail(thumbnailHandle);
thumbnailHandle = IntPtr.Zero;
}
}
private void UnregisterThumbnail() {
if (thumbnailHandle != IntPtr.Zero) {
DWM.DwmUnregisterThumbnail(thumbnailHandle);
thumbnailHandle = IntPtr.Zero;
}
}
/// <summary>
/// Show the thumbnail of the supplied window above (or under) the parent Control
/// </summary>
/// <param name="window">WindowDetails</param>
/// <param name="parentControl">Control</param>
public void ShowThumbnail(WindowDetails window, Control parentControl) {
UnregisterThumbnail();
/// <summary>
/// Show the thumbnail of the supplied window above (or under) the parent Control
/// </summary>
/// <param name="window">WindowDetails</param>
/// <param name="parentControl">Control</param>
public void ShowThumbnail(WindowDetails window, Control parentControl) {
UnregisterThumbnail();
DWM.DwmRegisterThumbnail(Handle, window.Handle, out thumbnailHandle);
if (thumbnailHandle != IntPtr.Zero) {
Rectangle windowRectangle = window.WindowRectangle;
int thumbnailHeight = 200;
int thumbnailWidth = (int)(thumbnailHeight * ((float)windowRectangle.Width / (float)windowRectangle.Height));
if (parentControl != null && thumbnailWidth > parentControl.Width) {
thumbnailWidth = parentControl.Width;
thumbnailHeight = (int)(thumbnailWidth * ((float)windowRectangle.Height / (float)windowRectangle.Width));
}
Width = thumbnailWidth;
Height = thumbnailHeight;
// Prepare the displaying of the Thumbnail
DWM_THUMBNAIL_PROPERTIES props = new DWM_THUMBNAIL_PROPERTIES();
props.Opacity = (byte)255;
props.Visible = true;
props.SourceClientAreaOnly = false;
props.Destination = new RECT(0, 0, thumbnailWidth, thumbnailHeight);
DWM.DwmUpdateThumbnailProperties(thumbnailHandle, ref props);
if (parentControl != null) {
AlignToControl(parentControl);
}
DWM.DwmRegisterThumbnail(Handle, window.Handle, out thumbnailHandle);
if (thumbnailHandle != IntPtr.Zero) {
SIZE sourceSize;
DWM.DwmQueryThumbnailSourceSize(thumbnailHandle, out sourceSize);
int thumbnailHeight = 200;
int thumbnailWidth = (int)(thumbnailHeight * ((float)sourceSize.width / (float)sourceSize.height));
if (parentControl != null && thumbnailWidth > parentControl.Width) {
thumbnailWidth = parentControl.Width;
thumbnailHeight = (int)(thumbnailWidth * ((float)sourceSize.height / (float)sourceSize.width));
}
Width = thumbnailWidth;
Height = thumbnailHeight;
// Prepare the displaying of the Thumbnail
DWM_THUMBNAIL_PROPERTIES props = new DWM_THUMBNAIL_PROPERTIES();
props.Opacity = (byte)255;
props.Visible = true;
props.SourceClientAreaOnly = false;
props.Destination = new RECT(0, 0, thumbnailWidth, thumbnailHeight);
DWM.DwmUpdateThumbnailProperties(thumbnailHandle, ref props);
if (parentControl != null) {
AlignToControl(parentControl);
}
if (!Visible) {
Show();
}
// Make sure it's on "top"!
if (parentControl != null) {
User32.SetWindowPos(Handle, parentControl.Handle, 0, 0, 0, 0, WindowPos.SWP_NOMOVE | WindowPos.SWP_NOSIZE | WindowPos.SWP_NOACTIVATE);
}
}
}
if (!Visible) {
Show();
}
// Make sure it's on "top"!
if (parentControl != null) {
User32.SetWindowPos(Handle, parentControl.Handle, 0, 0, 0, 0, WindowPos.SWP_NOMOVE | WindowPos.SWP_NOSIZE | WindowPos.SWP_NOACTIVATE);
}
}
}
public void AlignToControl(Control alignTo) {
Rectangle screenBounds = WindowCapture.GetScreenBounds();
if (screenBounds.Contains(alignTo.Left, alignTo.Top - Height)) {
Location = new Point(alignTo.Left + (alignTo.Width / 2) - (Width / 2), alignTo.Top - Height);
} else {
Location = new Point(alignTo.Left + (alignTo.Width / 2) - (Width / 2), alignTo.Bottom);
}
}
}
public void AlignToControl(Control alignTo) {
Rectangle screenBounds = WindowCapture.GetScreenBounds();
if (screenBounds.Contains(alignTo.Left, alignTo.Top - Height)) {
Location = new Point(alignTo.Left + (alignTo.Width / 2) - (Width / 2), alignTo.Top - Height);
} else {
Location = new Point(alignTo.Left + (alignTo.Width / 2) - (Width / 2), alignTo.Bottom);
}
}
}
}