private static unsafe void HandleDragRequest(GuiRequest *aRequest)
{
var DragRequest = (DragRequest *)aRequest;
int id = DragRequest->WindowID;
if (id < 0 || id >= Windows.Count)
{
aRequest->Error = ErrorType.BadParameters;
}
if (ActiveWindow == null || ActiveWindow.ID != id)
{
aRequest->Error = ErrorType.BadRequest;
}
if (aRequest->Error != ErrorType.None)
{
ReplyClient(aRequest);
return;
}
var win = Windows[id];
MouseWindow = win;
}
private static unsafe void HandleNewWindow(GuiRequest *aRequest)
{
var WindowRequest = (NewWindow *)aRequest;
int x = WindowRequest->X;
int y = WindowRequest->Y;
int width = WindowRequest->Width;
int height = WindowRequest->Height;
if (width <= 0 || height <= 0)
{
aRequest->Error = ErrorType.BadParameters;
}
if (aRequest->Error != ErrorType.None)
{
ReplyClient(aRequest);
return;
}
var window = new Window(aRequest->ClientID, x, y, width, height);
Marshal.Copy(window.HashID, WindowRequest->Buffer, window.HashID.Length);
Monitor.AcquireLock(ref WindowsLock);
int id = Windows.Count;
window.ID = id;
WindowRequest->WindowID = id;
Windows.Add(window);
Monitor.ReleaseLock(ref WindowsLock);
ActiveWindow = window;
Monitor.AcquireLock(ref StackingLock);
Stacking.Add(window);
Monitor.ReleaseLock(ref StackingLock);
ReplyClient(aRequest);
}
private static unsafe void HandleRedraw(GuiRequest *aRequest)
{
var RedrawRequest = (Redraw *)aRequest;
int id = RedrawRequest->WindowID;
int width = RedrawRequest->Width;
int height = RedrawRequest->Height;
if (id < 0 || id >= Windows.Count || width <= 0 || height <= 0)
{
aRequest->Error = ErrorType.BadParameters;
}
if (aRequest->Error != ErrorType.None)
{
ReplyClient(aRequest);
return;
}
var Window = Windows[id];
MarkRectange(RedrawRequest->X + Window.X, RedrawRequest->Y + Window.Y, width, height);
}
private static unsafe void HandleWindowMove(GuiRequest *aRequest)
{
var WindowRequest = (WindowMove *)aRequest;
int id = WindowRequest->WindowID;
if (id < 0 || id >= Windows.Count)
{
aRequest->Error = ErrorType.BadParameters;
}
if (aRequest->Error != ErrorType.None)
{
ReplyClient(aRequest);
return;
}
var win = Windows[id];
MarkRectange(win.X, win.Y, win.Width, win.Height);
win.X += WindowRequest->RelX;
win.Y += WindowRequest->RelY;
MarkRectange(win.X, win.Y, win.Width, win.Height);
}
private static unsafe void HandleInfoRequest(GuiRequest *aRequest)
{
var InfoRequest = (InfoRequest *)aRequest;
int id = InfoRequest->WindowID;
if (id < 0 || id >= Windows.Count)
{
aRequest->Error = ErrorType.BadParameters;
}
if (aRequest->Error != ErrorType.None)
{
ReplyClient(aRequest);
return;
}
var win = Windows[id];
InfoRequest->X = win.X;
InfoRequest->Y = win.Y;
InfoRequest->Width = win.Width;
InfoRequest->Height = win.Height;
ReplyClient(aRequest);
}
private static unsafe void DrawWindow(GuiRequest *request, byte[] xData)
{
request->Type = RequestType.NewWindow;
request->Error = ErrorType.None;
var window = (NewWindow *)request;
window->X = 340;
window->Y = 159;
window->Width = 600;
window->Height = 450;
Compositor.Server.Write(xData);
SystemClient.Read(xData);
if (request->Error != ErrorType.None)
{
Debug.Write("Error5: %d\n", (int)request->Error);
return;
}
string HashCode = new string(window->Buffer);
var aBuffer = SHM.Obtain(HashCode, 0, false);
int winID = window->WindowID;
Debug.Write("winID: %d\n", winID);
uint surface = Cairo.ImageSurfaceCreateForData(600 * 4, 450, 600, ColorFormat.ARGB32, aBuffer);
uint cr = Cairo.Create(surface);
Cairo.SetOperator(Operator.Over, cr);
Cairo.Rectangle(450, 600, 0, 0, cr);
Cairo.SetSourceRGBA(1, 0.41, 0.41, 0.41, cr);
Cairo.Fill(cr);
Cairo.Rectangle(446, 596, 2, 2, cr);
Cairo.SetSourceRGBA(1, 0.87, 0.87, 0.87, cr);
Cairo.Fill(cr);
Cairo.Rectangle(410, 580, 30, 10, cr);
Cairo.SetSourceRGBA(1, 1, 1, 1, cr);
Cairo.Fill(cr);
Cairo.SetSourceRGBA(1, 0.41, 0.41, 0.41, cr);
Cairo.SelectFontFace(FontWeight.Normal, FontSlant.Normal, Marshal.C_String(""), cr);
Cairo.SetFontSize(15, cr);
Cairo.MoveTo(18, 215, cr);
Cairo.ShowText(Marshal.C_String("Atom OS : Installation Guide"), cr);
Cairo.SelectFontFace(FontWeight.Bold, FontSlant.Normal, Marshal.C_String(""), cr);
Cairo.MoveTo(18, 580, cr);
Cairo.ShowText(Marshal.C_String("X"), cr);
Cairo.SurfaceFlush(surface);
Cairo.Destroy(cr);
Cairo.SurfaceDestroy(surface);
request->Type = RequestType.Redraw;
var req = (Redraw *)request;
req->WindowID = winID;
req->X = 0;
req->Y = 0;
req->Width = 600;
req->Height = 450;
Compositor.Server.Write(xData);
Debug.Write("Time: %d\n", Timer.TicksFromStart);
while (true)
{
SystemClient.Read(xData);
if (request->Error != ErrorType.None)
{
continue;
}
if (request->Type != RequestType.MouseEvent)
{
continue;
}
var mreq = (MouseEvent *)request;
if (mreq->WindowID != winID)
{
continue;
}
if ((mreq->Function & MouseFunction.Click) != 0)
{
int x = mreq->Xpos;
int y = mreq->Ypos;
if (y < 40)
{
request->Type = RequestType.DragRequest;
var mv = (DragRequest *)request;
mv->WindowID = winID;
Compositor.Server.Write(xData);
}
}
}
}
private static unsafe void DrawTaskbar(GuiRequest *request, byte[] xData)
{
request->Type = RequestType.NewWindow;
request->Error = ErrorType.None;
var taskbar = (NewWindow *)request;
int height = 30;
taskbar->X = 0;
taskbar->Y = 0;
taskbar->Width = VBE.Xres;
taskbar->Height = height;
Compositor.Server.Write(xData);
SystemClient.Read(xData);
if (request->Error != ErrorType.None)
{
Debug.Write("Error4: %d\n", (int)request->Error);
return;
}
string HashCode = new string(taskbar->Buffer);
var aBuffer = SHM.Obtain(HashCode, 0, false);
int winID = taskbar->WindowID;
Debug.Write("winID: %d\n", winID);
uint surface = Cairo.ImageSurfaceCreateForData(VBE.Xres * 4, height, VBE.Xres, ColorFormat.ARGB32, aBuffer);
uint cr = Cairo.Create(surface);
uint pattern = Cairo.PatternCreateLinear(height, 0, 0, 0);
Cairo.PatternAddColorStopRgba(0.7, 0.42, 0.42, 0.42, 0, pattern);
Cairo.PatternAddColorStopRgba(0.6, 0.36, 0.36, 0.36, 0.5, pattern);
Cairo.PatternAddColorStopRgba(0.7, 0.42, 0.42, 0.42, 1, pattern);
Cairo.SetOperator(Operator.Over, cr);
Cairo.Rectangle(height, VBE.Xres, 0, 0, cr);
Cairo.SetSource(pattern, cr);
Cairo.Fill(cr);
Cairo.Rectangle(2, VBE.Xres, height - 2, 0, cr);
Cairo.SetSourceRGBA(0.7, 0.41, 0.41, 0.41, cr);
Cairo.Fill(cr);
Cairo.SetSourceRGBA(1, 1, 1, 1, cr);
Cairo.SelectFontFace(FontWeight.Bold, FontSlant.Normal, Marshal.C_String(""), cr);
Cairo.SetFontSize(20, cr);
Cairo.MoveTo(20, 1215, cr);
Cairo.ShowText(Marshal.C_String("20:10"), cr);
Cairo.PatternDestroy(pattern);
Cairo.Destroy(cr);
Cairo.SurfaceDestroy(surface);
request->Type = RequestType.Redraw;
var req = (Redraw *)request;
req->WindowID = winID;
req->X = 0;
req->Y = 0;
req->Width = VBE.Xres;
req->Height = height;
Compositor.Server.Write(xData);
}
private static unsafe void ReplyClient(GuiRequest *aRequest)
{
aRequest->HashID = 0;
Clients[aRequest->ClientID].Write((byte *)aRequest, false);
}
private static unsafe void HandleMouseEvent(GuiRequest *aRequest)
{
var MouseRequest = (MouseEvent *)aRequest;
MouseRequest->Function = MouseFunction.None;
MouseFunction function = 0;
if (MouseRequest->Xpos != 0 || MouseRequest->Ypos != 0)
{
function = MouseFunction.Move;
}
/* calculate new mouse position */
int x = Mouse_X + (MouseRequest->Xpos << 1);
int y = Mouse_Y - (MouseRequest->Ypos << 1);
/* bound mouse position */
if (x < 0)
{
x = 0;
}
if (x > VBE.Xres)
{
x = VBE.Xres;
}
if (y < 0)
{
y = 0;
}
if (y > VBE.Yres)
{
y = VBE.Yres;
}
/* Button Status */
int Button = MouseRequest->Button;
bool LeftBtn = (Button & 0x1) != 0;
bool RightBtn = (Button & 0x2) != 0;
/* stop window movement */
if (LeftBtn)
{
if (MouseWindow != null)
{
var win = MouseWindow;
MarkRectange(win.X, win.Y, win.Width, win.Height);
MouseWindow.X += x - Mouse_X;
MouseWindow.Y += y - Mouse_Y;
MarkRectange(win.X, win.Y, win.Width, win.Height);
}
}
else
{
MouseWindow = null;
}
/* Update Coordinates */
Mouse_X = x;
Mouse_Y = y;
/* Mouse Events to Client */
if ((LeftBtn && !MouseLeftBtn) || (RightBtn && !MouseRightBtn))
{
function |= MouseFunction.KeyDown;
}
if ((!LeftBtn && MouseLeftBtn) || (!RightBtn && MouseRightBtn))
{
function |= MouseFunction.KeyUp;
}
/* button details */
MouseLeftBtn = LeftBtn;
MouseRightBtn = RightBtn;
MouseMiddleBtn = (Button & 0x4) != 0;
if ((function & MouseFunction.KeyDown) != 0)
{
Monitor.AcquireLock(ref StackingLock);
var list = Stacking;
int count = list.Count;
for (int i = count - 1; i >= 0; i--)
{
var win = list[i];
if (x < win.X ||
y < win.Y ||
x > win.X + win.Width ||
y > win.Y + win.Height)
{
continue;
}
if (ActiveWindow == win)
{
function |= MouseFunction.Click;
break;
}
ActiveWindow = win;
function |= MouseFunction.Enter;
if (i != 0)
{
for (int j = i + 1; j < count; j++)
{
list[j - 1] = list[j];
}
list[count - 1] = win;
MarkRectange(win.X, win.Y, win.Width, win.Height);
}
break;
}
Monitor.ReleaseLock(ref StackingLock);
}
if (ActiveWindow == null)
{
return;
}
var Window = ActiveWindow;
if (x < Window.X ||
y < Window.Y ||
x > Window.X + Window.Width ||
y > Window.Y + Window.Height)
{
return;
}
MouseRequest->WindowID = Window.ID;
MouseRequest->Xpos = x - Window.X;
MouseRequest->Ypos = y - Window.Y;
MouseRequest->Function = function;
aRequest->ClientID = Window.ClientID;
ReplyClient(aRequest);
}