Lots of stuff

GpApp/WindowUtils.cpp

@@ -0,0 +1,172 @@
+
+//============================================================================
+//----------------------------------------------------------------------------
+//								WindowUtils.c
+//----------------------------------------------------------------------------
+//============================================================================
+
+#include "PLPasStr.h"
+#include "Externs.h"
+#include "Environ.h"
+#include "RectUtils.h"
+
+
+#define kFloatingKind		2048
+#define kMessageWindowTall	48
+
+
+WindowPtr	mssgWindow;
+
+
+//==============================================================  Functions
+//--------------------------------------------------------------  GetWindowTopLeft
+
+// Returns the top left coordinate of the specified window.  Corrdinates<65>
+// are (of course) global (local coordinates would always be (0, 0)).
+
+void GetWindowLeftTop (WindowPtr theWindow, short *left, short *top)
+{
+	Point		thePoint;
+	Rect		bounds;
+	
+	*left = 0;
+	*top = 0;
+	
+	if (theWindow != nil)
+	{
+		SetPortWindowPort(theWindow);
+		GetWindowBounds(theWindow, kWindowContentRgn, &bounds);
+		thePoint.h = bounds.left;
+		thePoint.v = bounds.top;
+		LocalToGlobal(&thePoint);
+		*left = thePoint.h;
+		*top = thePoint.v;
+	}
+}
+
+//--------------------------------------------------------------  GetWindowRect
+
+// Returns bounding rectangle of the specified window in global coords.
+
+void GetWindowRect (WindowPtr theWindow, Rect *bounds)
+{
+	if (theWindow != nil)
+	{
+		SetPortWindowPort(theWindow);
+		GetWindowBounds(theWindow, kWindowContentRgn, bounds);
+		LocalToGlobalRect(bounds);
+	}
+}
+
+//--------------------------------------------------------------  GetLocalWindowRect
+// Returns bounding rectangle of the specified window in local coords.
+// (When you just need its width and height.)
+
+void GetLocalWindowRect (WindowPtr theWindow, Rect *bounds)
+{
+	if (theWindow != nil)
+	{
+		SetPortWindowPort(theWindow);
+		GetWindowBounds(theWindow, kWindowContentRgn, bounds);
+	}
+}
+
+//--------------------------------------------------------------  FlagWindowFloating
+// Sets the specified window's windowKind field to my own kFloatingKind<6E>
+// variable.  This way I can examine a window later and determine if<69>
+// it's supposed to "float" above all other windows.
+/*
+void FlagWindowFloating (WindowPtr theWindow)
+{
+	if (theWindow != nil)
+	{
+		((WindowPeek)theWindow)->windowKind = kFloatingKind;
+		BringToFront(theWindow);
+	}
+}
+
+//--------------------------------------------------------------  IsWindowFloating
+
+// Tests a specific window to see if it is supposed to "float" above all<6C>
+// other windows.
+
+Boolean	IsWindowFloating (WindowPtr theWindow)
+{
+	if (theWindow != nil)
+	{
+		return (((WindowPeek)theWindow)->windowKind == kFloatingKind);
+	}
+	else
+		return (false);
+}
+*/
+//--------------------------------------------------------------  OpenMessageWindow
+// Brings up a simple message window.  Nice sort of utility function.
+// Anytime you want a small, quick message to come up, call this.
+
+void OpenMessageWindow (const PLPasStr &title)
+{
+	Rect		mssgWindowRect;
+	
+	SetRect(&mssgWindowRect, 0, 0, 256, kMessageWindowTall);
+	if (thisMac.hasColor)
+		mssgWindow = NewCWindow(nil, &mssgWindowRect, 
+				title, false, noGrowDocProc, kPutInFront, false, 0L);
+	else
+		mssgWindow = NewWindow(nil, &mssgWindowRect, 
+				title, false, noGrowDocProc, kPutInFront, false, 0L);
+	
+	if (mssgWindow != nil)
+	{
+		ShowWindow(mssgWindow);
+		SetPort((GrafPtr)mssgWindow);
+		ClipRect(&mssgWindowRect);
+		ForeColor(blackColor);
+		BackColor(whiteColor);
+		TextFont(systemFont);
+	}
+}
+
+//--------------------------------------------------------------  SetMessageWindowMessage
+
+// For the above message window, this function displays a string of text<78>
+// in the center of the window.
+
+void SetMessageWindowMessage (StringPtr message)
+{
+	Rect		mssgWindowRect;
+	
+	if (mssgWindow != nil)
+	{
+		SetPort((GrafPtr)mssgWindow);
+		SetRect(&mssgWindowRect, 0, 0, 256, kMessageWindowTall);
+		InsetRect(&mssgWindowRect, 16, 16);
+		EraseRect(&mssgWindowRect);
+		MoveTo(mssgWindowRect.left, mssgWindowRect.bottom - 6);
+		DrawString(message);
+	}
+}
+
+//--------------------------------------------------------------  CloseMessageWindow
+
+// Closes the previously referred to "message window".
+
+void CloseMessageWindow (void)
+{
+	if (mssgWindow != nil)
+		DisposeWindow(mssgWindow);
+	mssgWindow = nil;
+}
+
+//--------------------------------------------------------------  CloseThisWindow
+
+// Given a specific window, this function will close it and set the window<6F>
+// pointer to null.
+
+void CloseThisWindow (WindowPtr *theWindow)
+{
+	if (*theWindow != nil)
+		DisposeWindow(*theWindow);
+	*theWindow = nil;
+}
+