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Example7.c
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C/C++ Source or Header
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1990-01-30
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7KB
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198 lines
/* Example7 */
/* This program will open three windows, two are normal and the third is */
/* a Backdrop window. The windows will use all System Gadgets, except */
/* the Backdrop window, which only can use the close-window gadget. */
/* After 30 seconds the program quits. */
/* If your program is using Intuition you should include intuition.h: */
#include <intuition/intuition.h>
struct IntuitionBase *IntuitionBase;
/* Declare a pointer to Window structure number one: */
struct Window *my_window1;
/* Declare and initialize your NewWindow structure number one: */
struct NewWindow my_new_window1=
{
50, /* LeftEdge x position of the window. */
25, /* TopEdge y positio of the window. */
200, /* Width 200 pixels wide. */
100, /* Height 100 lines high. */
0, /* DetailPen Text should be drawn with colour reg. 0 */
1, /* BlockPen Blocks should be drawn with colour reg. 1 */
NULL, /* IDCMPFlags No IDCMP flags. */
SMART_REFRESH| /* Flags Intuition should refresh the window. */
WINDOWCLOSE| /* Close Gadget. */
WINDOWDRAG| /* Drag gadget. */
WINDOWDEPTH| /* Depth arrange Gadgets. */
WINDOWSIZING, /* Sizing Gadget. */
NULL, /* FirstGadget No Custom Gadgets. */
NULL, /* CheckMark Use Intuition's default CheckMark (v). */
"MY WINDOW 1", /* Title Title of the window. */
NULL, /* Screen Connected to the Workbench Screen. */
NULL, /* BitMap No Custom BitMap. */
80, /* MinWidth We will not allow the window to become */
30, /* MinHeight smaller than 80 x 30, and not bigger */
300, /* MaxWidth than 300 x 200. */
200, /* MaxHeight */
WBENCHSCREEN /* Type Connected to the Workbench Screen. */
};
/* Declare a pointer to Window structure number two: */
struct Window *my_window2;
/* Declare and initialize your NewWindow structure number two: */
struct NewWindow my_new_window2=
{
300, /* LeftEdge x position of the window. */
50, /* TopEdge y positio of the window. */
200, /* Width 200 pixels wide. */
100, /* Height 100 lines high. */
0, /* DetailPen Text should be drawn with colour reg. 0 */
1, /* BlockPen Blocks should be drawn with colour reg. 1 */
NULL, /* IDCMPFlags No IDCMP flags. */
SMART_REFRESH| /* Flags Intuition should refresh the window. */
WINDOWCLOSE| /* Close Gadget. */
WINDOWDRAG| /* Drag gadget. */
WINDOWDEPTH| /* Depth arrange Gadgets. */
WINDOWSIZING| /* Sizing Gadget. */
ACTIVATE, /* The window should be Active when opened. */
NULL, /* FirstGadget No Custom Gadgets. */
NULL, /* CheckMark Use Intuition's default CheckMark (v). */
"MY WINDOW 2", /* Title Title of the window. */
NULL, /* Screen Connected to the Workbench Screen. */
NULL, /* BitMap No Custom BitMap. */
80, /* MinWidth We will not allow the window to become */
30, /* MinHeight smaller than 80 x 30, and not bigger */
0, /* MaxWidth than the default sixe (200x100). */
0, /* MaxHeight */
WBENCHSCREEN /* Type Connected to the Workbench Screen. */
};
/* Declare a pointer to Window structure number three: */
struct Window *my_window3;
/* Declare and initialize your NewWindow structure number three: */
struct NewWindow my_new_window3=
{
10, /* LeftEdge x position of the window. */
10, /* TopEdge y positio of the window. */
400, /* Width 400 pixels wide. */
150, /* Height 150 lines high. */
0, /* DetailPen Text should be drawn with colour reg. 0 */
1, /* BlockPen Blocks should be drawn with colour reg. 1 */
NULL, /* IDCMPFlags No IDCMP flags. */
SMART_REFRESH| /* Flags Intuition should refresh the window. */
BACKDROP| /* Backdrop window. */
WINDOWCLOSE| /* Close Gadget. */
ACTIVATE, /* The window should be Active when opened. */
NULL, /* FirstGadget No Custom Gadgets. */
NULL, /* CheckMark Use Intuition's default CheckMark (v). */
"BACKDROP", /* Title Title of the window. */
NULL, /* Screen Connected to the Workbench Screen. */
NULL, /* BitMap No Custom BitMap. */
0, /* MinWidth We do not need to care about these */
0, /* MinHeight since we havent supplied the window with */
0, /* MaxWidth a Sizing Gadget. */
0, /* MaxHeight */
WBENCHSCREEN /* Type Connected to the Workbench Screen. */
};
main()
{
/* Open the Intuition Library: */
IntuitionBase = (struct IntuitionBase *)
OpenLibrary( "intuition.library", 0 );
if( IntuitionBase == NULL )
exit(); /* Could NOT open the Intuition Library! */
/* We will now try to open the first window: */
my_window1 = (struct Window *) OpenWindow( &my_new_window1 );
/* Have we opened the first window succesfully? */
if(my_window1 == NULL)
{
/* Could NOT open the first Window! */
/* Close the Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
exit();
}
/* We will now try to open the second window: */
my_window2 = (struct Window *) OpenWindow( &my_new_window2 );
/* Have we opened the second window succesfully? */
if(my_window2 == NULL)
{
/* Could NOT open the second Window! */
/* We must close the first window since we have opened it: */
CloseWindow( my_window1 );
/* Close the Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
exit();
}
/* We will now try to open the third window: (The Backdrop window) */
my_window3 = (struct Window *) OpenWindow( &my_new_window3 );
/* Have we opened the third window succesfully? */
if(my_window3 == NULL)
{
/* Could NOT open the third Window! */
/* We must close the window one and two since we have opened them: */
CloseWindow( my_window2 );
CloseWindow( my_window1 );
/* Close the Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
exit();
}
/* We have opened the windows, and everything seems to be OK. */
/* Wait for 30 seconds: */
Delay( 50 * 30);
/* We should always close the windows we have opened before we leave: */
/* (It does not matter in which order we close the windows.) */
CloseWindow( my_window1 );
CloseWindow( my_window2 );
CloseWindow( my_window3 );
/* Close the Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
/* THE END */
}