860 lines
19 KiB
C
860 lines
19 KiB
C
#include <cdk_int.h>
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#include <scroller.h>
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/*
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* $Author: tom $
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* $Date: 2016/11/20 20:14:41 $
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* $Revision: 1.146 $
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*/
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/*
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* Declare file local prototypes.
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*/
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static int createList (CDKRADIO *radio, CDK_CSTRING2 list, int listSize, int width);
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static void drawCDKRadioList (CDKRADIO *radio, boolean Box);
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static void setViewSize (CDKRADIO *scrollp, int listSize);
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static int maxViewSize (CDKRADIO *scrollp);
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/* Determine how many characters we can shift to the right */
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/* before all the items have been scrolled off the screen. */
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#define AvailableWidth(w) ((w)->boxWidth - 2*BorderOf(w) - 3)
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#define updateViewWidth(w, widest) \
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(w)->maxLeftChar = (((w)->boxWidth > widest) \
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? 0 \
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: (widest - AvailableWidth(w)))
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#define WidestItem(w) ((w)->maxLeftChar + AvailableWidth(w))
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#define SCREENPOS(w,n) (w)->itemPos[n] - (w)->leftChar + scrollbarAdj + BorderOf(w)
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DeclareCDKObjects (RADIO, Radio, setCdk, Int);
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/*
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* This function creates the radio widget.
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*/
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CDKRADIO *newCDKRadio (CDKSCREEN *cdkscreen,
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int xplace,
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int yplace,
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int splace,
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int height,
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int width,
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const char *title,
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CDK_CSTRING2 list,
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int listSize,
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chtype choiceChar,
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int defItem,
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chtype highlight,
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boolean Box,
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boolean shadow)
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{
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/* *INDENT-EQLS* */
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CDKRADIO *radio = 0;
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int parentWidth = getmaxx (cdkscreen->window);
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int parentHeight = getmaxy (cdkscreen->window);
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int boxWidth;
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int boxHeight;
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int xpos = xplace;
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int ypos = yplace;
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int widestItem = 0;
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int j;
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/* *INDENT-OFF* */
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static const struct { int from; int to; } bindings[] = {
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{ CDK_BACKCHAR, KEY_PPAGE },
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{ CDK_FORCHAR, KEY_NPAGE },
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{ 'g', KEY_HOME },
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{ '1', KEY_HOME },
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{ 'G', KEY_END },
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{ '<', KEY_HOME },
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{ '>', KEY_END },
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};
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/* *INDENT-ON* */
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if ((radio = newCDKObject (CDKRADIO, &my_funcs)) == 0)
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{
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return (0);
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}
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setCDKRadioBox (radio, Box);
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/*
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* If the height is a negative value, the height will
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* be ROWS-height, otherwise, the height will be the
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* given height.
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*/
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boxHeight = setWidgetDimension (parentHeight, height, 0);
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/*
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* If the width is a negative value, the width will
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* be COLS-width, otherwise, the width will be the
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* given width.
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*/
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boxWidth = setWidgetDimension (parentWidth, width, 5);
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boxWidth = setCdkTitle (ObjOf (radio), title, boxWidth);
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/* Set the box height. */
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if (TitleLinesOf (radio) > boxHeight)
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{
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boxHeight = TitleLinesOf (radio)
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+ MINIMUM (listSize, 8)
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+ 2 * BorderOf (radio);
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}
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/* Adjust the box width if there is a scroll bar. */
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if (splace == LEFT || splace == RIGHT)
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{
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boxWidth++;
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radio->scrollbar = TRUE;
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}
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else
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{
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radio->scrollbar = FALSE;
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}
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/*
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* Make sure we didn't extend beyond the dimensions of the window.
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*/
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radio->boxWidth = MINIMUM (boxWidth, parentWidth);
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radio->boxHeight = MINIMUM (boxHeight, parentHeight);
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setViewSize (radio, listSize);
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/* Each item in the needs to be converted to chtype * */
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widestItem = createList (radio, list, listSize, radio->boxWidth);
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if (widestItem > 0)
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{
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updateViewWidth (radio, widestItem);
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}
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else if (listSize)
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{
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destroyCDKObject (radio);
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return (0);
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}
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/* Rejustify the x and y positions if we need to. */
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alignxy (cdkscreen->window, &xpos, &ypos, radio->boxWidth, radio->boxHeight);
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/* Make the radio window */
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radio->win = newwin (radio->boxHeight, radio->boxWidth, ypos, xpos);
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/* Is the window null??? */
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if (radio->win == 0)
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{
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destroyCDKObject (radio);
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return (0);
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}
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/* Turn on the keypad. */
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keypad (radio->win, TRUE);
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/* Create the scrollbar window. */
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if (splace == RIGHT)
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{
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radio->scrollbarWin = subwin (radio->win,
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maxViewSize (radio), 1,
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SCREEN_YPOS (radio, ypos),
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(xpos
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+ radio->boxWidth
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- BorderOf (radio)
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- 1));
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}
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else if (splace == LEFT)
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{
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radio->scrollbarWin = subwin (radio->win,
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maxViewSize (radio), 1,
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SCREEN_YPOS (radio, ypos),
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SCREEN_XPOS (radio, xpos));
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}
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else
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{
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radio->scrollbarWin = 0;
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}
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/* *INDENT-EQLS* Set the rest of the variables */
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ScreenOf (radio) = cdkscreen;
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radio->parent = cdkscreen->window;
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radio->scrollbarPlacement = splace;
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radio->widestItem = widestItem;
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radio->leftChar = 0;
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radio->selectedItem = 0;
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radio->highlight = highlight;
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radio->choiceChar = choiceChar;
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radio->leftBoxChar = (chtype)'[';
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radio->rightBoxChar = (chtype)']';
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radio->defItem = defItem;
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initExitType (radio);
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ObjOf (radio)->inputWindow = radio->win;
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ObjOf (radio)->acceptsFocus = TRUE;
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radio->shadow = shadow;
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setCDKRadioCurrentItem (radio, 0);
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/* Do we need to create the shadow??? */
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if (shadow)
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{
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radio->shadowWin = newwin (boxHeight, boxWidth + 1, ypos + 1, xpos + 1);
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}
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/* Setup the key bindings. */
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for (j = 0; j < (int)SIZEOF (bindings); ++j)
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bindCDKObject (vRADIO,
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radio,
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(chtype)bindings[j].from,
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getcCDKBind,
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(void *)(long)bindings[j].to);
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/* Register this baby. */
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registerCDKObject (cdkscreen, vRADIO, radio);
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/* Return the radio list */
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return (radio);
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}
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/*
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* Put the cursor on the currently-selected item.
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*/
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static void fixCursorPosition (CDKRADIO *widget)
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{
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scroller_FixCursorPosition ((CDKSCROLLER *)widget);
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}
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/*
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* This actually manages the radio widget.
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*/
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int activateCDKRadio (CDKRADIO *radio, chtype *actions)
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{
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/* Draw the radio list. */
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drawCDKRadio (radio, ObjOf (radio)->box);
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if (actions == 0)
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{
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chtype input;
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boolean functionKey;
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for (;;)
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{
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int ret;
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fixCursorPosition (radio);
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input = (chtype)getchCDKObject (ObjOf (radio), &functionKey);
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/* Inject the character into the widget. */
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ret = injectCDKRadio (radio, input);
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if (radio->exitType != vEARLY_EXIT)
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{
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return ret;
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}
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}
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}
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else
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{
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int length = chlen (actions);
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int j;
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/* Inject each character one at a time. */
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for (j = 0; j < length; j++)
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{
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int ret = injectCDKRadio (radio, actions[j]);
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if (radio->exitType != vEARLY_EXIT)
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{
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return ret;
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}
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}
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}
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/* Set the exit type and return. */
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setExitType (radio, 0);
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return -1;
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}
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/*
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* This injects a single character into the widget.
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*/
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static int _injectCDKRadio (CDKOBJS *object, chtype input)
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{
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CDKRADIO *radio = (CDKRADIO *)object;
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CDKSCROLLER *widget = (CDKSCROLLER *)object;
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int ppReturn = 1;
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int ret = unknownInt;
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bool complete = FALSE;
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/* Set the exit type. */
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setExitType (widget, 0);
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/* Draw the widget list */
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drawCDKRadioList (radio, ObjOf (widget)->box);
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/* Check if there is a pre-process function to be called. */
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if (PreProcessFuncOf (widget) != 0)
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{
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/* Call the pre-process function. */
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ppReturn = PreProcessFuncOf (widget) (vRADIO,
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widget,
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PreProcessDataOf (widget),
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input);
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}
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/* Should we continue? */
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if (ppReturn != 0)
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{
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/* Check for a predefined key binding. */
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if (checkCDKObjectBind (vRADIO, widget, input) != 0)
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{
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checkEarlyExit (widget);
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complete = TRUE;
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}
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else
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{
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switch (input)
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{
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case KEY_UP:
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scroller_KEY_UP (widget);
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break;
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case KEY_DOWN:
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scroller_KEY_DOWN (widget);
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break;
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case KEY_RIGHT:
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scroller_KEY_RIGHT (widget);
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break;
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case KEY_LEFT:
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scroller_KEY_LEFT (widget);
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break;
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case KEY_PPAGE:
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scroller_KEY_PPAGE (widget);
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break;
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case KEY_NPAGE:
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scroller_KEY_NPAGE (widget);
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break;
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case KEY_HOME:
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scroller_KEY_HOME (widget);
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break;
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case KEY_END:
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scroller_KEY_END (widget);
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break;
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case '$':
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widget->leftChar = widget->maxLeftChar;
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break;
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case '|':
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widget->leftChar = 0;
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break;
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case SPACE:
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radio->selectedItem = widget->currentItem;
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break;
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case KEY_ESC:
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setExitType (widget, input);
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ret = -1;
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complete = TRUE;
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break;
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case KEY_ERROR:
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setExitType (widget, input);
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complete = TRUE;
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break;
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case KEY_TAB:
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case KEY_ENTER:
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setExitType (widget, input);
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ret = radio->selectedItem;
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complete = TRUE;
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break;
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case CDK_REFRESH:
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eraseCDKScreen (ScreenOf (widget));
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refreshCDKScreen (ScreenOf (widget));
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break;
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default:
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break;
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}
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}
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/* Should we call a post-process? */
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if (!complete && (PostProcessFuncOf (widget) != 0))
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{
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PostProcessFuncOf (widget) (vRADIO,
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widget,
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PostProcessDataOf (widget),
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input);
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}
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}
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if (!complete)
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{
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drawCDKRadioList (radio, ObjOf (widget)->box);
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setExitType (widget, 0);
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}
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fixCursorPosition (radio);
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ResultOf (widget).valueInt = ret;
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return (ret != unknownInt);
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}
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/*
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* This moves the radio field to the given location.
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*/
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static void _moveCDKRadio (CDKOBJS *object,
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int xplace,
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int yplace,
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boolean relative,
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boolean refresh_flag)
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{
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CDKRADIO *radio = (CDKRADIO *)object;
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/* *INDENT-EQLS* */
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int currentX = getbegx (radio->win);
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int currentY = getbegy (radio->win);
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int xpos = xplace;
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int ypos = yplace;
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int xdiff = 0;
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int ydiff = 0;
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/*
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* If this is a relative move, then we will adjust where we want
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* to move to.
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*/
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if (relative)
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{
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xpos = getbegx (radio->win) + xplace;
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ypos = getbegy (radio->win) + yplace;
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}
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/* Adjust the window if we need to. */
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alignxy (WindowOf (radio), &xpos, &ypos, radio->boxWidth, radio->boxHeight);
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/* Get the difference. */
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xdiff = currentX - xpos;
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ydiff = currentY - ypos;
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/* Move the window to the new location. */
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moveCursesWindow (radio->win, -xdiff, -ydiff);
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moveCursesWindow (radio->scrollbarWin, -xdiff, -ydiff);
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moveCursesWindow (radio->shadowWin, -xdiff, -ydiff);
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/* Touch the windows so they 'move'. */
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refreshCDKWindow (WindowOf (radio));
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/* Redraw the window, if they asked for it. */
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if (refresh_flag)
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{
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drawCDKRadio (radio, ObjOf (radio)->box);
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}
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}
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static int maxViewSize (CDKRADIO *widget)
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{
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return scroller_MaxViewSize ((CDKSCROLLER *)widget);
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}
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/*
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* Set variables that depend upon the list-size.
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*/
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static void setViewSize (CDKRADIO *widget, int listSize)
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{
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scroller_SetViewSize ((CDKSCROLLER *)widget, listSize);
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}
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/*
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* This function draws the radio widget.
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*/
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static void _drawCDKRadio (CDKOBJS *object, boolean Box GCC_UNUSED)
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{
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CDKRADIO *radio = (CDKRADIO *)object;
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/* Do we need to draw in the shadow??? */
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if (radio->shadowWin != 0)
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{
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drawShadow (radio->shadowWin);
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}
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drawCdkTitle (radio->win, object);
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/* Draw in the radio list. */
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drawCDKRadioList (radio, ObjOf (radio)->box);
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}
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/*
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* This redraws the radio list.
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*/
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static void drawCDKRadioList (CDKRADIO *radio, boolean Box)
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{
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int scrollbarAdj = (radio->scrollbarPlacement == LEFT) ? 1 : 0;
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int j, k;
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/* draw the list */
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for (j = 0; j < radio->viewSize; j++)
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{
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int xpos = SCREEN_XPOS (radio, 0);
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int ypos = SCREEN_YPOS (radio, j);
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/* Draw the empty string. */
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writeBlanks (radio->win, xpos, ypos,
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HORIZONTAL, 0, radio->boxWidth - BorderOf (radio));
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k = j + radio->currentTop;
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/* Draw the element in the radio list. */
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if (k < radio->listSize)
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{
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int screenPos = SCREENPOS (radio, k);
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/* Draw the line. */
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writeChtype (radio->win,
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(screenPos >= 0) ? screenPos : 1,
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ypos,
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radio->item[k],
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HORIZONTAL,
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(screenPos >= 0) ? 0 : (1 - screenPos),
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radio->itemLen[k]);
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/* Draw the selected choice... */
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xpos += scrollbarAdj;
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(void)mvwaddch (radio->win, ypos, xpos++, radio->leftBoxChar);
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(void)mvwaddch (radio->win, ypos, xpos++, ((k == radio->selectedItem)
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? radio->choiceChar
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: ' '));
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(void)mvwaddch (radio->win, ypos, xpos++, radio->rightBoxChar);
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}
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}
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/* Highlight the current item. */
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if (ObjPtr (radio)->hasFocus)
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{
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k = radio->currentItem;
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if (k < radio->listSize)
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{
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int screenPos = SCREENPOS (radio, k);
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int ypos = SCREEN_YPOS (radio, radio->currentHigh);
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writeChtypeAttrib (radio->win,
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(screenPos >= 0) ? screenPos : (1 + scrollbarAdj),
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ypos,
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radio->item[k],
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radio->highlight,
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HORIZONTAL,
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(screenPos >= 0) ? 0 : (1 - screenPos),
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radio->itemLen[k]);
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}
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}
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if (radio->scrollbar)
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{
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radio->togglePos = floorCDK (radio->currentItem * (double)radio->step);
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radio->togglePos = MINIMUM (radio->togglePos,
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getmaxy (radio->scrollbarWin) - 1);
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(void)mvwvline (radio->scrollbarWin, 0, 0,
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ACS_CKBOARD, getmaxy (radio->scrollbarWin));
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(void)mvwvline (radio->scrollbarWin, radio->togglePos, 0,
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' ' | A_REVERSE, radio->toggleSize);
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}
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/* Box it if needed. */
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if (Box)
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{
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drawObjBox (radio->win, ObjOf (radio));
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}
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else
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{
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touchwin (radio->win);
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}
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fixCursorPosition (radio);
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}
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/*
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* This sets the background attribute of the widget.
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*/
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static void _setBKattrRadio (CDKOBJS *object, chtype attrib)
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{
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if (object != 0)
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{
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CDKRADIO *widget = (CDKRADIO *)object;
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wbkgd (widget->win, attrib);
|
|
if (widget->scrollbarWin != 0)
|
|
{
|
|
wbkgd (widget->scrollbarWin, attrib);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void destroyInfo (CDKRADIO *widget)
|
|
{
|
|
CDKfreeChtypes (widget->item);
|
|
widget->item = 0;
|
|
|
|
freeAndNull (widget->itemLen);
|
|
freeAndNull (widget->itemPos);
|
|
}
|
|
|
|
/*
|
|
* This function destroys the radio widget.
|
|
*/
|
|
static void _destroyCDKRadio (CDKOBJS *object)
|
|
{
|
|
if (object != 0)
|
|
{
|
|
CDKRADIO *radio = (CDKRADIO *)object;
|
|
|
|
cleanCdkTitle (object);
|
|
destroyInfo (radio);
|
|
|
|
/* Clean up the windows. */
|
|
deleteCursesWindow (radio->scrollbarWin);
|
|
deleteCursesWindow (radio->shadowWin);
|
|
deleteCursesWindow (radio->win);
|
|
|
|
/* Clean the key bindings. */
|
|
cleanCDKObjectBindings (vRADIO, radio);
|
|
|
|
/* Unregister this object. */
|
|
unregisterCDKObject (vRADIO, radio);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function erases the radio widget.
|
|
*/
|
|
static void _eraseCDKRadio (CDKOBJS *object)
|
|
{
|
|
if (validCDKObject (object))
|
|
{
|
|
CDKRADIO *radio = (CDKRADIO *)object;
|
|
|
|
eraseCursesWindow (radio->win);
|
|
eraseCursesWindow (radio->shadowWin);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This set various attributes of the radio list.
|
|
*/
|
|
void setCDKRadio (CDKRADIO *radio, chtype highlight, chtype choiceChar, int Box)
|
|
{
|
|
setCDKRadioHighlight (radio, highlight);
|
|
setCDKRadioChoiceCharacter (radio, choiceChar);
|
|
setCDKRadioBox (radio, Box);
|
|
}
|
|
|
|
/*
|
|
* This sets the radio list items.
|
|
*/
|
|
void setCDKRadioItems (CDKRADIO *radio, CDK_CSTRING2 list, int listSize)
|
|
{
|
|
int widestItem;
|
|
int j = 0;
|
|
|
|
widestItem = createList (radio, list, listSize, radio->boxWidth);
|
|
if (widestItem <= 0)
|
|
return;
|
|
|
|
/* Clean up the display. */
|
|
for (j = 0; j < radio->viewSize; j++)
|
|
{
|
|
writeBlanks (radio->win,
|
|
SCREEN_XPOS (radio, 0),
|
|
SCREEN_YPOS (radio, j),
|
|
HORIZONTAL,
|
|
0,
|
|
radio->boxWidth - BorderOf (radio));
|
|
}
|
|
|
|
setViewSize (radio, listSize);
|
|
|
|
setCDKRadioCurrentItem (radio, 0);
|
|
radio->leftChar = 0;
|
|
radio->selectedItem = 0;
|
|
|
|
updateViewWidth (radio, widestItem);
|
|
}
|
|
int getCDKRadioItems (CDKRADIO *radio, char **list)
|
|
{
|
|
if (list != 0)
|
|
{
|
|
int j;
|
|
|
|
for (j = 0; j < radio->listSize; j++)
|
|
{
|
|
list[j] = chtype2Char (radio->item[j]);
|
|
}
|
|
}
|
|
return radio->listSize;
|
|
}
|
|
|
|
/*
|
|
* This sets the highlight bar of the radio list.
|
|
*/
|
|
void setCDKRadioHighlight (CDKRADIO *radio, chtype highlight)
|
|
{
|
|
radio->highlight = highlight;
|
|
}
|
|
chtype getCDKRadioHighlight (CDKRADIO *radio)
|
|
{
|
|
return radio->highlight;
|
|
}
|
|
|
|
/*
|
|
* This sets the character to use when selecting an item in the list.
|
|
*/
|
|
void setCDKRadioChoiceCharacter (CDKRADIO *radio, chtype character)
|
|
{
|
|
radio->choiceChar = character;
|
|
}
|
|
chtype getCDKRadioChoiceCharacter (CDKRADIO *radio)
|
|
{
|
|
return radio->choiceChar;
|
|
}
|
|
|
|
/*
|
|
* This sets the character to use to draw the left side of the
|
|
* choice box on the list.
|
|
*/
|
|
void setCDKRadioLeftBrace (CDKRADIO *radio, chtype character)
|
|
{
|
|
radio->leftBoxChar = character;
|
|
}
|
|
chtype getCDKRadioLeftBrace (CDKRADIO *radio)
|
|
{
|
|
return radio->leftBoxChar;
|
|
}
|
|
|
|
/*
|
|
* This sets the character to use to draw the right side of the
|
|
* choice box on the list.
|
|
*/
|
|
void setCDKRadioRightBrace (CDKRADIO *radio, chtype character)
|
|
{
|
|
radio->rightBoxChar = character;
|
|
}
|
|
chtype getCDKRadioRightBrace (CDKRADIO *radio)
|
|
{
|
|
return radio->rightBoxChar;
|
|
}
|
|
|
|
/*
|
|
* This sets the box attribute of the widget.
|
|
*/
|
|
void setCDKRadioBox (CDKRADIO *radio, boolean Box)
|
|
{
|
|
ObjOf (radio)->box = Box;
|
|
ObjOf (radio)->borderSize = Box ? 1 : 0;
|
|
}
|
|
boolean getCDKRadioBox (CDKRADIO *radio)
|
|
{
|
|
return ObjOf (radio)->box;
|
|
}
|
|
|
|
/*
|
|
* This sets the current high lighted item of the widget
|
|
*/
|
|
void setCDKRadioCurrentItem (CDKRADIO *radio, int item)
|
|
{
|
|
scroller_SetPosition ((CDKSCROLLER *)radio, item);
|
|
radio->selectedItem = item;
|
|
}
|
|
int getCDKRadioCurrentItem (CDKRADIO *radio)
|
|
{
|
|
return radio->currentItem;
|
|
}
|
|
|
|
/*
|
|
* This sets the selected item of the widget
|
|
*/
|
|
void setCDKRadioSelectedItem (CDKRADIO *radio, int item)
|
|
{
|
|
radio->selectedItem = item;
|
|
}
|
|
int getCDKRadioSelectedItem (CDKRADIO *radio)
|
|
{
|
|
return radio->selectedItem;
|
|
}
|
|
|
|
static void _focusCDKRadio (CDKOBJS *object)
|
|
{
|
|
CDKRADIO *radio = (CDKRADIO *)object;
|
|
|
|
drawCDKRadioList (radio, ObjOf (radio)->box);
|
|
}
|
|
|
|
static void _unfocusCDKRadio (CDKOBJS *object)
|
|
{
|
|
CDKRADIO *radio = (CDKRADIO *)object;
|
|
|
|
drawCDKRadioList (radio, ObjOf (radio)->box);
|
|
}
|
|
|
|
static int createList (CDKRADIO *radio, CDK_CSTRING2 list, int listSize, int boxWidth)
|
|
{
|
|
int status = 0;
|
|
int widestItem = 0;
|
|
|
|
if (listSize >= 0)
|
|
{
|
|
/* *INDENT-EQLS* */
|
|
chtype **newList = typeCallocN (chtype *, listSize + 1);
|
|
int *newLen = typeCallocN (int, listSize + 1);
|
|
int *newPos = typeCallocN (int, listSize + 1);
|
|
|
|
if (newList != 0
|
|
&& newLen != 0
|
|
&& newPos != 0)
|
|
{
|
|
int j;
|
|
|
|
/* Each item in the needs to be converted to chtype * */
|
|
status = 1;
|
|
boxWidth -= (2 + BorderOf (radio));
|
|
for (j = 0; j < listSize; j++)
|
|
{
|
|
newList[j] = char2Chtype (list[j], &newLen[j], &newPos[j]);
|
|
if (newList[j] == 0)
|
|
{
|
|
status = 0;
|
|
break;
|
|
}
|
|
newPos[j] = justifyString (boxWidth, newLen[j], newPos[j]) + 3;
|
|
widestItem = MAXIMUM (widestItem, newLen[j]);
|
|
}
|
|
if (status)
|
|
{
|
|
destroyInfo (radio);
|
|
|
|
radio->item = newList;
|
|
radio->itemLen = newLen;
|
|
radio->itemPos = newPos;
|
|
}
|
|
else
|
|
{
|
|
CDKfreeChtypes (newList);
|
|
freeChecked (newLen);
|
|
freeChecked (newPos);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
CDKfreeChtypes (newList);
|
|
freeChecked (newLen);
|
|
freeChecked (newPos);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
destroyInfo (radio);
|
|
}
|
|
|
|
return status ? widestItem : 0;
|
|
}
|
|
|
|
dummyRefreshData (Radio)
|
|
|
|
dummySaveData (Radio)
|