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Issue #58: when resizing (WM_SIZING) and on wheel scroll the aspect ratio of the source window is refreshed.

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AspectRatioForm now stores initial aspect ratio on window handle creation (until new aspect ratio is set).
This commit is contained in:
Lorenz Cuno Klopfenstein 2014-01-09 00:45:36 +01:00
parent 56e47fb7e5
commit 1c253bdcb1
2 changed files with 57 additions and 30 deletions
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17
OnTopReplica/AspectRatioForm.cs
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@ -71,6 +71,13 @@ namespace OnTopReplica {
}
}
protected override void OnHandleCreated(EventArgs e) {
base.OnHandleCreated(e);
//When created, use first size of the window as aspect ratio
SetAspectRatio(ClientSize, false);
}
/// <summary>
/// Forces the form to update its height based on the current aspect ratio setting.
/// </summary>
@ -155,13 +162,20 @@ namespace OnTopReplica {
}
}
protected virtual void OnResizing(EventArgs e) {
}
/// <summary>
/// Override WM_SIZING message to restrict resizing.
/// Taken from: http://www.vcskicks.com/maintain-aspect-ratio.php
/// Improved with code from: http://stoyanoff.info/blog/2010/06/27/resizing-forms-while-keeping-aspect-ratio/
/// </summary>
protected override void WndProc(ref Message m) {
if (KeepAspectRatio && m.Msg == WM.SIZING) {
if (m.Msg == WM.SIZING) {
this.OnResizing(EventArgs.Empty);
if (KeepAspectRatio) {
var clientSizeConversion = ClientWindowDifference;
var rc = (Native.NRectangle)Marshal.PtrToStructure(m.LParam, typeof(Native.NRectangle));
@ -197,6 +211,7 @@ namespace OnTopReplica {
Marshal.StructureToPtr(rc, m.LParam, false);
}
}
base.WndProc(ref m);
}

12
OnTopReplica/MainForm.cs
View file

@ -101,6 +101,13 @@ namespace OnTopReplica {
RefreshScreenLock();
}
protected override void OnResizing(EventArgs e) {
//Update aspect ratio from thumbnail while resizing (but do not refresh, resizing does that anyway)
if (_thumbnailPanel.IsShowingThumbnail) {
SetAspectRatio(_thumbnailPanel.ThumbnailPixelSize, false);
}
}
protected override void OnActivated(EventArgs e) {
base.OnActivated(e);
@ -127,8 +134,13 @@ namespace OnTopReplica {
base.OnMouseWheel(e);
if (!FullscreenManager.IsFullscreen) {
if (_thumbnailPanel.IsShowingThumbnail) {
SetAspectRatio(_thumbnailPanel.ThumbnailPixelSize, false);
}
int change = (int)(e.Delta / 6.0); //assumes a mouse wheel "tick" is in the 80-120 range
AdjustSize(change);
RefreshScreenLock();
}
}