protected override void WndProc(ref Message m)
{
//const long WM_SIZING = 0x214;
//const int WMSZ_LEFT = 1;
//const int WMSZ_RIGHT = 2;
//const int WMSZ_TOP = 3;
//const int WMSZ_TOPLEFT = 4;
//const int WMSZ_TOPRIGHT = 5;
//const int WMSZ_BOTTOM = 6;
//const int WMSZ_BOTTOMLEFT = 7;
//const int WMSZ_BOTTOMRIGHT = 8;
const int WM_SYSCHAR = 0x106;
// Hande 'beep'
if (m.Msg == WM_SYSCHAR)
{
return;
}
// Albert, 2010-03-13: The following code can be used to make the window always maintain a fixed aspect ratio.
// It was commented out because it doesn't really help. At least in the fullscreen mode, the aspect ratio is determined
// by the screen and not by any other desired aspect ratio. I think we should not use the code, that's why I comment
// it out.
// When it should be used, the field _fixed_aspect_ratio must be initialized with a sensible value, for example
// the aspect ratio from the skin.
//if (m.Msg == WM_SIZING && m.HWnd == Handle)
//{
// if (WindowState == FormWindowState.Normal)
// {
// Rect r = (Rect) Marshal.PtrToStructure(m.LParam, typeof(Rect));
// // Calc the border offset
// Size offset = new Size(Width - ClientSize.Width, Height - ClientSize.Height);
// // Calc the new dimensions.
// float wid = r.Right - r.Left - offset.Width;
// float hgt = r.Bottom - r.Top - offset.Height;
// // Calc the new aspect ratio.
// float new_aspect_ratio = hgt / wid;
// // See if the aspect ratio is changing.
// if (_fixed_aspect_ratio != new_aspect_ratio)
// {
// Int32 dragBorder = m.WParam.ToInt32();
// // To decide which dimension we should preserve,
// // see what border the user is dragging.
// if (dragBorder == WMSZ_TOPLEFT || dragBorder == WMSZ_TOPRIGHT ||
// dragBorder == WMSZ_BOTTOMLEFT || dragBorder == WMSZ_BOTTOMRIGHT)
// {
// // The user is dragging a corner.
// // Preserve the bigger dimension.
// if (new_aspect_ratio > _fixed_aspect_ratio)
// // It's too tall and thin. Make it wider.
// wid = hgt / _fixed_aspect_ratio;
// else
// // It's too short and wide. Make it taller.
// hgt = wid * _fixed_aspect_ratio;
// }
// else if (dragBorder == WMSZ_LEFT || dragBorder == WMSZ_RIGHT)
// // The user is dragging a side.
// // Preserve the width.
// hgt = wid * _fixed_aspect_ratio;
// else if (dragBorder == WMSZ_TOP || dragBorder == WMSZ_BOTTOM)
// // The user is dragging the top or bottom.
// // Preserve the height.
// wid = hgt / _fixed_aspect_ratio;
// // Figure out whether to reset the top/bottom
// // and left/right.
// // See if the user is dragging the top edge.
// if (dragBorder == WMSZ_TOP || dragBorder == WMSZ_TOPLEFT ||
// dragBorder == WMSZ_TOPRIGHT)
// // Reset the top.
// r.Top = r.Bottom - (int)(hgt + offset.Height);
// else
// // Reset the bottom.
// r.Bottom = r.Top + (int)(hgt + offset.Height);
// // See if the user is dragging the left edge.
// if (dragBorder == WMSZ_LEFT || dragBorder == WMSZ_TOPLEFT ||
// dragBorder == WMSZ_BOTTOMLEFT)
// // Reset the left.
// r.Left = r.Right - (int)(wid + offset.Width);
// else
// // Reset the right.
// r.Right = r.Left + (int)(wid + offset.Width);
// // Update the Message object's LParam field.
// Marshal.StructureToPtr(r, m.LParam, true);
// }
// }
//}
// Send windows message through the system if any component needs to access windows messages
WindowsMessaging.BroadcastWindowsMessage(ref m);
base.WndProc(ref m);
}
protected override void WndProc(ref Message m)
{
const long WM_SIZING = 0x214;
const int WMSZ_LEFT = 1;
const int WMSZ_RIGHT = 2;
const int WMSZ_TOP = 3;
const int WMSZ_TOPLEFT = 4;
const int WMSZ_TOPRIGHT = 5;
const int WMSZ_BOTTOM = 6;
const int WMSZ_BOTTOMLEFT = 7;
const int WMSZ_BOTTOMRIGHT = 8;
const int WM_SYSCHAR = 0x106;
const int WM_DISPLAYCHANGE = 0x007E;
// Hande 'beep'
if (m.Msg == WM_SYSCHAR)
{
return;
}
// Message thrown by another MP2-Client instance -> Bring current instance to front
if (m.Msg == SingleInstanceHelper.SHOW_MP2_CLIENT_MESSAGE)
{
ServiceRegistration.Get <ILogger>().Info("SkinEngine MainForm: Another instance of MP2-Client.exe tried to start. Bring current instance to front.");
// Restore if minimized
Restore();
// Set active window
this.SafeActivate();
CheckTopMost();
return;
}
// Handle display changes. There are different cases which lead to this message:
// 1. When changing the screen resolution, wanted or unwanted (i.e. some graphic cards reset to 1024x768 during resume from standby)
// 2. When the refresh rate is changed, but other parameters remain the same (i.e. can happen by RefreshRateChanger plugin)
// In 1st case we need to reset the DX device, in 2nd this leads to interuption of workflow and is not required.
if (m.Msg == WM_DISPLAYCHANGE)
{
int bitDepth = m.WParam.ToInt32();
int screenWidth = m.LParam.ToInt32() & 0xFFFF;
int screenHeight = m.LParam.ToInt32() >> 16;
if (bitDepth != _screenBpp || screenWidth != _screenSize.Width || screenWidth != _screenSize.Width)
{
_screenSize = new Size(screenWidth, screenHeight);
_screenBpp = bitDepth;
ServiceRegistration.Get <ILogger>().Info("SkinEngine MainForm: Display changed to {0}x{1}@{2}.", screenWidth, screenHeight, bitDepth);
SetScreenSize(System.Windows.Forms.Screen.FromControl(this));
AdaptToSize(); // Also recreates the DX device
}
else
{
ServiceRegistration.Get <ILogger>().Info("SkinEngine MainForm: Display changed refresh rate, size remained {0}x{1}@{2}.", screenWidth, screenHeight, bitDepth);
}
}
// Albert, 2010-03-13: The following code can be used to make the window always maintain a fixed aspect ratio.
// It was commented out because it doesn't really help. At least in the fullscreen mode, the aspect ratio is determined
// by the screen and not by any other desired aspect ratio. I think we should not use the code, that's why I comment
// it out.
// When it should be used, the field _fixed_aspect_ratio must be initialized with a sensible value, for example
// the aspect ratio from the skin.
if (m.Msg == WM_SIZING && m.HWnd == Handle)
{
if (WindowState == FormWindowState.Normal)
{
var fixedAspectRatio = SkinContext.SkinResources.SkinHeight / (float)SkinContext.SkinResources.SkinWidth;
Rect r = (Rect)Marshal.PtrToStructure(m.LParam, typeof(Rect));
// Calc the border offset
Size offset = new Size(Width - ClientSize.Width, Height - ClientSize.Height);
// Calc the new dimensions.
float wid = r.Right - r.Left - offset.Width;
float hgt = r.Bottom - r.Top - offset.Height;
// Calc the new aspect ratio.
float newAspectRatio = hgt / wid;
// See if the aspect ratio is changing.
if (fixedAspectRatio != newAspectRatio)
{
Int32 dragBorder = m.WParam.ToInt32();
// To decide which dimension we should preserve,
// see what border the user is dragging.
if (dragBorder == WMSZ_TOPLEFT || dragBorder == WMSZ_TOPRIGHT ||
dragBorder == WMSZ_BOTTOMLEFT || dragBorder == WMSZ_BOTTOMRIGHT)
{
// The user is dragging a corner.
// Preserve the bigger dimension.
if (newAspectRatio > fixedAspectRatio)
{
// It's too tall and thin. Make it wider.
wid = hgt / fixedAspectRatio;
}
else
{
// It's too short and wide. Make it taller.
hgt = wid * fixedAspectRatio;
}
}
else if (dragBorder == WMSZ_LEFT || dragBorder == WMSZ_RIGHT)
{
// The user is dragging a side.
// Preserve the width.
hgt = wid * fixedAspectRatio;
}
else if (dragBorder == WMSZ_TOP || dragBorder == WMSZ_BOTTOM)
{
// The user is dragging the top or bottom.
// Preserve the height.
wid = hgt / fixedAspectRatio;
}
// Figure out whether to reset the top/bottom
// and left/right.
// See if the user is dragging the top edge.
if (dragBorder == WMSZ_TOP || dragBorder == WMSZ_TOPLEFT ||
dragBorder == WMSZ_TOPRIGHT)
{
// Reset the top.
r.Top = r.Bottom - (int)(hgt + offset.Height);
}
else
{
// Reset the bottom.
r.Bottom = r.Top + (int)(hgt + offset.Height);
}
// See if the user is dragging the left edge.
if (dragBorder == WMSZ_LEFT || dragBorder == WMSZ_TOPLEFT ||
dragBorder == WMSZ_BOTTOMLEFT)
{
// Reset the left.
r.Left = r.Right - (int)(wid + offset.Width);
}
else
{
// Reset the right.
r.Right = r.Left + (int)(wid + offset.Width);
}
// Update the Message object's LParam field.
Marshal.StructureToPtr(r, m.LParam, true);
}
}
}
// Send windows message through the system if any component needs to access windows messages
WindowsMessaging.BroadcastWindowsMessage(ref m);
base.WndProc(ref m);
}