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/************************************************************************/
/* */
/* Widget to select a height on the Format Tool. */
/* */
/************************************************************************/
# include "tedConfig.h"
# include <stdlib.h>
# include <stdio.h>
# include <stddef.h>
# include <limits.h>
# include <appGeoString.h>
# include <appUnit.h>
# include "tedApp.h"
# include "tedFormatTool.h"
# include <appDebugon.h>
/************************************************************************/
/* */
/* Refresh a height chooser. */
/* */
/************************************************************************/
void tedFormatRefreshHeightChooser( HeightChooser * hc,
int height )
{
char scratch[50];
if ( height == 0 )
{
appEnableText( hc->hcText, 0 );
hc->hcHow= HC_FREE;
appStringToTextWidget( hc->hcText, "" );
}
else{
appEnableText( hc->hcText, 1 );
if ( height > 0 )
{
hc->hcHow= HC_AT_LEAST;
appGeoLengthToString( scratch, height, UNITtyPOINTS );
}
else{
hc->hcHow= HC_EXACTLY;
appGeoLengthToString( scratch, -height, UNITtyPOINTS );
}
appStringToTextWidget( hc->hcText, scratch );
}
appSetOptionmenu( &(hc->hcOptionmenu), hc->hcHow );
}
int tedFormatToolGetHeight( int * pHeight,
HeightChooser * hc )
{
int sign;
int height;
int changed;
const int minValue= 1;
const int adaptToMin= 0;
const int maxValue= INT_MAX;
const int adaptToMax= 0;
switch( hc->hcHow )
{
case HC_FREE:
sign= height= 0;
break;
case HC_AT_LEAST:
sign= 1;
break;
case HC_EXACTLY:
sign= -1;
break;
default:
LDEB(hc->hcHow); return -1;
}
height= *pHeight;
height *= sign;
if ( sign != 0 )
{
if ( appGetLengthFromTextWidget( hc->hcText,
&height, &changed, UNITtyPOINTS,
minValue, adaptToMin, maxValue, adaptToMax ) )
{ return -1; }
height *= sign;
}
*pHeight= height;
return 0;
}
/************************************************************************/
/* */
/* Callback for a height chooser. */
/* */
/************************************************************************/
void tedFormatHeightChosen( int how,
HeightChooser * hc,
int defaultValue )
{
char scratch[50];
int val;
switch( how )
{
case HC_FREE:
appEnableText( hc->hcText, 0 );
appStringToTextWidget( hc->hcText, "" );
hc->hcHow= how;
return;
case HC_AT_LEAST:
appEnableText( hc->hcText, 1 );
val= defaultValue;
if ( val < 0 )
{ val= -val; }
appGeoLengthToString( scratch, val, UNITtyPOINTS );
appStringToTextWidget( hc->hcText, scratch );
hc->hcHow= how;
return;
case HC_EXACTLY:
appEnableText( hc->hcText, 1 );
val= defaultValue;
appGeoLengthToString( scratch, val, UNITtyPOINTS );
appStringToTextWidget( hc->hcText, scratch );
hc->hcHow= how;
return;
default:
LDEB(how); return;
}
LDEB(1);
}
void tedFormatMakeHeightRow( APP_WIDGET * pRow,
void * through,
APP_WIDGET parent,
HeightChooser * hc,
APP_TXACTIVATE_CALLBACK_T callback )
{
APP_WIDGET row;
APP_WIDGET text;
const int menuColumn= 0;
const int menuColspan= 1;
const int textColumn= menuColumn+ menuColspan;
const int textColspan= 1;
const int heightResizable= 0;
row= appMakeRowInColumn( parent, 2, heightResizable );
appMakeOptionmenuInRow( &(hc->hcOptionmenu), row, menuColumn, menuColspan );
appMakeTextInRow( &text, row, textColumn, textColspan, 10, 0 );
if ( callback )
{ appGuiSetGotValueCallbackForText( text, callback, through ); }
*pRow= row;
hc->hcText= text;
return;
}
/************************************************************************/
/* */
/* Fill the menu in a height chooser. */
/* */
/************************************************************************/
void tedFormatFillHeightChooser( HeightChooser * hc,
APP_OITEM_CALLBACK_T callback,
void * voidtft,
const char * freeText,
const char * atLeastText,
const char * exactlyText )
{
appEmptyOptionmenu( &(hc->hcOptionmenu) );
hc->hcMenuItems[HC_FREE]= appAddItemToOptionmenu( &(hc->hcOptionmenu),
freeText, callback, voidtft );
hc->hcMenuItems[HC_AT_LEAST]= appAddItemToOptionmenu( &(hc->hcOptionmenu),
atLeastText, callback, voidtft );
hc->hcMenuItems[HC_EXACTLY]= appAddItemToOptionmenu( &(hc->hcOptionmenu),
exactlyText, callback, voidtft );
appSetOptionmenu( &(hc->hcOptionmenu), HC_FREE );
hc->hcHow= HC_FREE;
appOptionmenuRefreshWidth( &(hc->hcOptionmenu) );
}
/************************************************************************/
/* */
/* Initialize. */
/* */
/************************************************************************/
void tedInitHeightChooser( HeightChooser * hc )
{
int i;
appInitOptionmenu( &(hc->hcOptionmenu) );
hc->hcText= (APP_WIDGET)0;
for ( i= 0; i < HC__COUNT; i++ )
{ hc->hcMenuItems[i]= (APP_WIDGET)0; }
hc->hcHow= HC_FREE;
}
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