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example13.c
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1995-02-27
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26KB
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654 lines
/***********************************************************/
/* */
/* Amiga C Encyclopedia (ACE) V3.0 Amiga C Club (ACC) */
/* ------------------------------- ------------------ */
/* */
/* Book: ACM Intuition Amiga C Club */
/* Chapter: Gadgets Tulevagen 22 */
/* File: Example13.c 181 41 LIDINGO */
/* Author: Anders Bjerin SWEDEN */
/* Date: 92-05-01 */
/* Version: 1.10 */
/* */
/* Copyright 1992, Anders Bjerin - Amiga C Club (ACC) */
/* */
/* Registered members may use this program freely in their */
/* own commercial/noncommercial programs/articles. */
/* */
/***********************************************************/
/* This example demonstrates how to use six string gadgets which */
/* are automatically activated (selected) when the user release */
/* the gadget above. */
/* We use Intuition: */
#include <intuition/intuition.h>
/* Maximum length of the string gadgets: */
#define STRINGSIZE 50
/* We are using the Intuition library: */
struct IntuitionBase *IntuitionBase;
/* The coordinates for the box: */
SHORT my_points[]=
{
-7, -4, /* Start at position (-7, -4) */
200, -4, /* Draw a line to the right to position (200,-4) */
200, 11, /* Draw a line down to position (200,11) */
-7, 11, /* Draw a line to the right to position (-7,11) */
-7, -4 /* Finish of by drawing a line up to position (-7,-4) */
};
/* The Border structure: */
struct Border my_border=
{
0, 0, /* LeftEdge, TopEdge. */
1, /* FrontPen, colour register 1. */
0, /* BackPen, for the moment unused. */
JAM1, /* DrawMode, draw the lines with colour 1. */
5, /* Count, 5 pair of coordinates in the array. */
my_points, /* XY, pointer to the array with the coordinates. */
NULL, /* NextBorder, no other Border structures are connected. */
};
UBYTE my_undo_buffer[STRINGSIZE]; /* Must be at least as big as my_buffer. */
/*****************/
/* Textstring 1: */
/*****************/
UBYTE my_buffer1[STRINGSIZE]; /* 50 characters including the NULL-sign. */
/* The IntuiText structure: */
struct IntuiText text1=
{
1, /* FrontPen, colour register 1. */
0, /* BackPen, colour register 0. */
JAM1, /* DrawMode, draw the characters with colour 1, do not */
/* change the background. */
-77, 0, /* LeftEdge, TopEdge. */
NULL, /* ITextFont, use default font. */
" Name:",/* IText, the text that will be printed. */
NULL, /* NextText, no other IntuiText structures. */
};
struct StringInfo string_info1=
{
my_buffer1, /* Buffer, pointer to a null-terminated string. */
my_undo_buffer, /* UndoBuffer, pointer to a null-terminated string. */
/* (Remember my_buffer is equal to &my_buffer[0]) */
0, /* BufferPos, initial position of the cursor. */
50, /* MaxChars, 50 characters + null-sign ('\0'). */
0, /* DispPos, first character in the string should be */
/* first character in the display. */
/* Intuition initializes and maintaines these variables: */
0, /* UndoPos */
0, /* NumChars */
0, /* DispCount */
0, 0, /* CLeft, CTop */
NULL, /* LayerPtr */
NULL, /* LongInt */
NULL, /* AltKeyMap */
};
struct Gadget gadget1=
{
NULL, /* NextGadget, no more gadgets in the list. */
92, /* LeftEdge, 92 pixels out. */
30, /* TopEdge, 30 lines down. */
198, /* Width, 198 pixels wide. */
8, /* Height, 8 pixels lines heigh. */
GADGHCOMP, /* Flags, draw the select box in the complement */
/* colours. Note: it actually only the cursor which */
/* will be drawn in the complement colours (yellow). */
/* If you set the flag GADGHNONE the cursor will not be */
/* highlighted, and the user will therefore not be able */
/* to see it. */
GADGIMMEDIATE| /* Activation, our program will recieve a message when */
RELVERIFY, /* the user has selected this gadget, and when the user */
/* has released it. */
STRGADGET, /* GadgetType, a String gadget. */
(APTR) &my_border, /* GadgetRender, a pointer to our Border structure. */
NULL, /* SelectRender, NULL since we do not supply the gadget */
/* with an alternative image. */
&text1, /* GadgetText, a pointer to our IntuiText structure. */
NULL, /* MutualExclude, no mutual exclude. */
(APTR) &string_info1, /* SpecialInfo, a pointer to a StringInfo str. */
0, /* GadgetID, no id. */
NULL /* UserData, no user data connected to the gadget. */
};
/*****************/
/* Textstring 2: */
/*****************/
UBYTE my_buffer2[STRINGSIZE]; /* 50 characters including the NULL-sign. */
/* The IntuiText structure: */
struct IntuiText text2=
{
1, /* FrontPen, colour register 1. */
0, /* BackPen, colour register 0. */
JAM1, /* DrawMode, draw the characters with colour 1, do not */
/* change the background. */
-77, 0, /* LeftEdge, TopEdge. */
NULL, /* ITextFont, use default font. */
"Address:",/* IText, the text that will be printed. */
NULL, /* NextText, no other IntuiText structures. */
};
struct StringInfo string_info2=
{
my_buffer2, /* Buffer, pointer to a null-terminated string. */
my_undo_buffer, /* UndoBuffer, pointer to a null-terminated string. */
/* (Remember my_buffer is equal to &my_buffer[0]) */
0, /* BufferPos, initial position of the cursor. */
50, /* MaxChars, 50 characters + null-sign ('\0'). */
0, /* DispPos, first character in the string should be */
/* first character in the display. */
/* Intuition initializes and maintaines these variables: */
0, /* UndoPos */
0, /* NumChars */
0, /* DispCount */
0, 0, /* CLeft, CTop */
NULL, /* LayerPtr */
NULL, /* LongInt */
NULL, /* AltKeyMap */
};
struct Gadget gadget2=
{
&gadget1, /* NextGadget, no more gadgets in the list. */
92, /* LeftEdge, 92 pixels out. */
50, /* TopEdge, 50 lines down. */
198, /* Width, 198 pixels wide. */
8, /* Height, 8 pixels lines heigh. */
GADGHCOMP, /* Flags, draw the select box in the complement */
/* colours. Note: it actually only the cursor which */
/* will be drawn in the complement colours (yellow). */
/* If you set the flag GADGHNONE the cursor will not be */
/* highlighted, and the user will therefore not be able */
/* to see it. */
GADGIMMEDIATE| /* Activation, our program will recieve a message when */
RELVERIFY, /* the user has selected this gadget, and when the user */
/* has released it. */
STRGADGET, /* GadgetType, a String gadget. */
(APTR) &my_border, /* GadgetRender, a pointer to our Border structure. */
NULL, /* SelectRender, NULL since we do not supply the gadget */
/* with an alternative image. */
&text2, /* GadgetText, a pointer to our IntuiText structure. */
NULL, /* MutualExclude, no mutual exclude. */
(APTR) &string_info2, /* SpecialInfo, a pointer to a StringInfo str. */
0, /* GadgetID, no id. */
NULL /* UserData, no user data connected to the gadget. */
};
/*****************/
/* Textstring 3: */
/*****************/
UBYTE my_buffer3[STRINGSIZE]; /* 50 characters including the NULL-sign. */
/* The IntuiText structure: */
struct IntuiText text3=
{
1, /* FrontPen, colour register 1. */
0, /* BackPen, colour register 0. */
JAM1, /* DrawMode, draw the characters with colour 1, do not */
/* change the background. */
-77, 0, /* LeftEdge, TopEdge. */
NULL, /* ITextFont, use default font. */
" City:",/* IText, the text that will be printed. */
NULL, /* NextText, no other IntuiText structures. */
};
struct StringInfo string_info3=
{
my_buffer3, /* Buffer, pointer to a null-terminated string. */
my_undo_buffer, /* UndoBuffer, pointer to a null-terminated string. */
/* (Remember my_buffer is equal to &my_buffer[0]) */
0, /* BufferPos, initial position of the cursor. */
50, /* MaxChars, 50 characters + null-sign ('\0'). */
0, /* DispPos, first character in the string should be */
/* first character in the display. */
/* Intuition initializes and maintaines these variables: */
0, /* UndoPos */
0, /* NumChars */
0, /* DispCount */
0, 0, /* CLeft, CTop */
NULL, /* LayerPtr */
NULL, /* LongInt */
NULL, /* AltKeyMap */
};
struct Gadget gadget3=
{
&gadget2, /* NextGadget, no more gadgets in the list. */
92, /* LeftEdge, 92 pixels out. */
70, /* TopEdge, 70 lines down. */
198, /* Width, 198 pixels wide. */
8, /* Height, 8 pixels lines heigh. */
GADGHCOMP, /* Flags, draw the select box in the complement */
/* colours. Note: it actually only the cursor which */
/* will be drawn in the complement colours (yellow). */
/* If you set the flag GADGHNONE the cursor will not be */
/* highlighted, and the user will therefore not be able */
/* to see it. */
GADGIMMEDIATE| /* Activation, our program will recieve a message when */
RELVERIFY, /* the user has selected this gadget, and when the user */
/* has released it. */
STRGADGET, /* GadgetType, a String gadget. */
(APTR) &my_border, /* GadgetRender, a pointer to our Border structure. */
NULL, /* SelectRender, NULL since we do not supply the gadget */
/* with an alternative image. */
&text3, /* GadgetText, a pointer to our IntuiText structure. */
NULL, /* MutualExclude, no mutual exclude. */
(APTR) &string_info3, /* SpecialInfo, a pointer to a StringInfo str. */
0, /* GadgetID, no id. */
NULL /* UserData, no user data connected to the gadget. */
};
/*****************/
/* Textstring 4: */
/*****************/
UBYTE my_buffer4[STRINGSIZE]; /* 50 characters including the NULL-sign. */
/* The IntuiText structure: */
struct IntuiText text4=
{
1, /* FrontPen, colour register 1. */
0, /* BackPen, colour register 0. */
JAM1, /* DrawMode, draw the characters with colour 1, do not */
/* change the background. */
-77, 0, /* LeftEdge, TopEdge. */
NULL, /* ITextFont, use default font. */
" State:",/* IText, the text that will be printed. */
NULL, /* NextText, no other IntuiText structures. */
};
struct StringInfo string_info4=
{
my_buffer4, /* Buffer, pointer to a null-terminated string. */
my_undo_buffer, /* UndoBuffer, pointer to a null-terminated string. */
/* (Remember my_buffer is equal to &my_buffer[0]) */
0, /* BufferPos, initial position of the cursor. */
50, /* MaxChars, 50 characters + null-sign ('\0'). */
0, /* DispPos, first character in the string should be */
/* first character in the display. */
/* Intuition initializes and maintaines these variables: */
0, /* UndoPos */
0, /* NumChars */
0, /* DispCount */
0, 0, /* CLeft, CTop */
NULL, /* LayerPtr */
NULL, /* LongInt */
NULL, /* AltKeyMap */
};
struct Gadget gadget4=
{
&gadget3, /* NextGadget, no more gadgets in the list. */
92, /* LeftEdge, 92 pixels out. */
90, /* TopEdge, 90 lines down. */
198, /* Width, 198 pixels wide. */
8, /* Height, 8 pixels lines heigh. */
GADGHCOMP, /* Flags, draw the select box in the complement */
/* colours. Note: it actually only the cursor which */
/* will be drawn in the complement colours (yellow). */
/* If you set the flag GADGHNONE the cursor will not be */
/* highlighted, and the user will therefore not be able */
/* to see it. */
GADGIMMEDIATE| /* Activation, our program will recieve a message when */
RELVERIFY, /* the user has selected this gadget, and when the user */
/* has released it. */
STRGADGET, /* GadgetType, a String gadget. */
(APTR) &my_border, /* GadgetRender, a pointer to our Border structure. */
NULL, /* SelectRender, NULL since we do not supply the gadget */
/* with an alternative image. */
&text4, /* GadgetText, a pointer to our IntuiText structure. */
NULL, /* MutualExclude, no mutual exclude. */
(APTR) &string_info4, /* SpecialInfo, a pointer to a StringInfo str. */
0, /* GadgetID, no id. */
NULL /* UserData, no user data connected to the gadget. */
};
/*****************/
/* Textstring 5: */
/*****************/
UBYTE my_buffer5[STRINGSIZE]; /* 50 characters including the NULL-sign. */
/* The IntuiText structure: */
struct IntuiText text5=
{
1, /* FrontPen, colour register 1. */
0, /* BackPen, colour register 0. */
JAM1, /* DrawMode, draw the characters with colour 1, do not */
/* change the background. */
-77, 0, /* LeftEdge, TopEdge. */
NULL, /* ITextFont, use default font. */
"Country:",/* IText, the text that will be printed. */
NULL, /* NextText, no other IntuiText structures. */
};
struct StringInfo string_info5=
{
my_buffer5, /* Buffer, pointer to a null-terminated string. */
my_undo_buffer, /* UndoBuffer, pointer to a null-terminated string. */
/* (Remember my_buffer is equal to &my_buffer[0]) */
0, /* BufferPos, initial position of the cursor. */
50, /* MaxChars, 50 characters + null-sign ('\0'). */
0, /* DispPos, first character in the string should be */
/* first character in the display. */
/* Intuition initializes and maintaines these variables: */
0, /* UndoPos */
0, /* NumChars */
0, /* DispCount */
0, 0, /* CLeft, CTop */
NULL, /* LayerPtr */
NULL, /* LongInt */
NULL, /* AltKeyMap */
};
struct Gadget gadget5=
{
&gadget4, /* NextGadget, no more gadgets in the list. */
92, /* LeftEdge, 92 pixels out. */
110, /* TopEdge, 110 lines down. */
198, /* Width, 198 pixels wide. */
8, /* Height, 8 pixels lines heigh. */
GADGHCOMP, /* Flags, draw the select box in the complement */
/* colours. Note: it actually only the cursor which */
/* will be drawn in the complement colours (yellow). */
/* If you set the flag GADGHNONE the cursor will not be */
/* highlighted, and the user will therefore not be able */
/* to see it. */
GADGIMMEDIATE| /* Activation, our program will recieve a message when */
RELVERIFY, /* the user has selected this gadget, and when the user */
/* has released it. */
STRGADGET, /* GadgetType, a String gadget. */
(APTR) &my_border, /* GadgetRender, a pointer to our Border structure. */
NULL, /* SelectRender, NULL since we do not supply the gadget */
/* with an alternative image. */
&text5, /* GadgetText, a pointer to our IntuiText structure. */
NULL, /* MutualExclude, no mutual exclude. */
(APTR) &string_info5, /* SpecialInfo, a pointer to a StringInfo str. */
0, /* GadgetID, no id. */
NULL /* UserData, no user data connected to the gadget. */
};
/*****************/
/* Textstring 6: */
/*****************/
UBYTE my_buffer6[STRINGSIZE]; /* 50 characters including the NULL-sign. */
/* The IntuiText structure: */
struct IntuiText text6=
{
1, /* FrontPen, colour register 1. */
0, /* BackPen, colour register 0. */
JAM1, /* DrawMode, draw the characters with colour 1, do not */
/* change the background. */
-77, 0, /* LeftEdge, TopEdge. */
NULL, /* ITextFont, use default font. */
" Phone:",/* IText, the text that will be printed. */
NULL, /* NextText, no other IntuiText structures. */
};
struct StringInfo string_info6=
{
my_buffer6, /* Buffer, pointer to a null-terminated string. */
my_undo_buffer, /* UndoBuffer, pointer to a null-terminated string. */
/* (Remember my_buffer is equal to &my_buffer[0]) */
0, /* BufferPos, initial position of the cursor. */
50, /* MaxChars, 50 characters + null-sign ('\0'). */
0, /* DispPos, first character in the string should be */
/* first character in the display. */
/* Intuition initializes and maintaines these variables: */
0, /* UndoPos */
0, /* NumChars */
0, /* DispCount */
0, 0, /* CLeft, CTop */
NULL, /* LayerPtr */
NULL, /* LongInt */
NULL, /* AltKeyMap */
};
struct Gadget gadget6=
{
&gadget5, /* NextGadget, no more gadgets in the list. */
92, /* LeftEdge, 92 pixels out. */
130, /* TopEdge, 130 lines down. */
198, /* Width, 198 pixels wide. */
8, /* Height, 8 pixels lines heigh. */
GADGHCOMP, /* Flags, draw the select box in the complement */
/* colours. Note: it actually only the cursor which */
/* will be drawn in the complement colours (yellow). */
/* If you set the flag GADGHNONE the cursor will not be */
/* highlighted, and the user will therefore not be able */
/* to see it. */
GADGIMMEDIATE| /* Activation, our program will recieve a message when */
RELVERIFY, /* the user has selected this gadget, and when the user */
/* has released it. */
STRGADGET, /* GadgetType, a String gadget. */
(APTR) &my_border, /* GadgetRender, a pointer to our Border structure. */
NULL, /* SelectRender, NULL since we do not supply the gadget */
/* with an alternative image. */
&text6, /* GadgetText, a pointer to our IntuiText structure. */
NULL, /* MutualExclude, no mutual exclude. */
(APTR) &string_info6, /* SpecialInfo, a pointer to a StringInfo str. */
0, /* GadgetID, no id. */
NULL /* UserData, no user data connected to the gadget. */
};
/* Declare a pointer to a Window structure: */
struct Window *my_window;
/* Declare and initialize your NewWindow structure: */
struct NewWindow my_new_window=
{
0, /* LeftEdge x position of the window. */
10, /* TopEdge y positio of the window. */
400, /* Width 400 pixels wide. */
180, /* Height 180 lines high. */
0, /* DetailPen Text should be drawn with colour reg. 0 */
1, /* BlockPen Blocks should be drawn with colour reg. 1 */
CLOSEWINDOW| /* IDCMPFlags The window will give us a message if the */
/* user has selected the Close window gad, */
GADGETDOWN| /* or a gadget has been pressed on, or */
GADGETUP, /* a gadge has been released. */
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. */
&gadget6, /* FirstGadget A pointer to the String gadget. */
NULL, /* CheckMark Use Intuition's default CheckMark. */
"Automatically activated string gadgets",/* Title Title of the window. */
NULL, /* Screen Connected to the Workbench Screen. */
NULL, /* BitMap No Custom BitMap. */
400, /* MinWidth We will not allow the window to become */
180, /* MinHeight smaller than 400 x 180, and not bigger */
640, /* MaxWidth than 640 x 200. */
200, /* MaxHeight */
WBENCHSCREEN /* Type Connected to the Workbench Screen. */
};
main()
{
/* Boolean variable used for the while loop: */
BOOL close_me;
/* Declare a variable in which we will store the IDCMP flag: */
ULONG class;
CPTR address;
/* Declare a pointer to an IntuiMessage structure: */
struct IntuiMessage *my_message;
/* Put some text (thi time nothing) into the buffer strings: */
strcpy( my_buffer1, "" );
strcpy( my_buffer2, "" );
strcpy( my_buffer3, "" );
strcpy( my_buffer4, "" );
strcpy( my_buffer5, "" );
strcpy( my_buffer6, "" );
/* Before we can use Intuition we need to 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 window: */
my_window = (struct Window *) OpenWindow( &my_new_window );
/* Have we opened the window succesfully? */
if(my_window == NULL)
{
/* Could NOT open the Window! */
/* Close the Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
exit();
}
/* We have opened the window, and everything seems to be OK. */
/* Activate the first gadget: */
ActivateGadget( &gadget1, my_window, NULL );
close_me = FALSE;
/* Stay in the while loop until the user has selected the Close window */
/* gadget: */
while( close_me == FALSE )
{
/* Wait until we have recieved a message: */
Wait( 1 << my_window->UserPort->mp_SigBit );
/* As long as we can collect messages sucessfully we stay in the loop: */
while( my_message = (struct IntuiMessage *) GetMsg( my_window->UserPort) )
{
/* After we have collected the message we can read it, and save any */
/* important values which we maybe want to check later: */
/* Save the IDCMP flag: */
class = my_message->Class;
/* Save the address of the sender: */
address = (CPTR) my_message->IAddress;
/* After we have read it we reply as fast as possible: */
/* REMEMBER! Do never try to read a message after you have replied! */
/* Some other process has maybe changed it. */
ReplyMsg( my_message );
/* Check which IDCMP flag was sent: */
switch( class )
{
case CLOSEWINDOW: /* The user selected the Close window gadget! */
close_me=TRUE;
break;
case GADGETDOWN:
/* The user has selected a String gadget: */
/* (Clicked inside the select box) */
printf("A string gadget was selected.\n");
break;
case GADGETUP:
/* The user has released a String gadget: */
/* (Pressed ENTER or RETURN) */
/* If gadget1 was released, activate gadget2, */
/* if gadget2 was released, activate gadget3, */
/* and so on... */
if( address == (CPTR) &gadget1 )
ActivateGadget( &gadget2, my_window, NULL );
if( address == (CPTR) &gadget2 )
ActivateGadget( &gadget3, my_window, NULL );
if( address == (CPTR) &gadget3 )
ActivateGadget( &gadget4, my_window, NULL );
if( address == (CPTR) &gadget4 )
ActivateGadget( &gadget5, my_window, NULL );
if( address == (CPTR) &gadget5 )
ActivateGadget( &gadget6, my_window, NULL );
if( address == (CPTR) &gadget6 )
ActivateGadget( &gadget1, my_window, NULL );
break;
}
}
}
/* We should always close the windows we have opened before we leave: */
CloseWindow( my_window );
/* Print out the contents of the strings: */
printf(" Name: %s\n", string_info1.Buffer);
printf("Address: %s\n", string_info2.Buffer);
printf(" City: %s\n", string_info3.Buffer);
printf(" State: %s\n", string_info4.Buffer);
printf("Country: %s\n", string_info5.Buffer);
printf(" Phone: %s\n", string_info6.Buffer);
/* Close the Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
/* THE END */
}