sub1handler.c

神龙卡开发原代码

/*
 * C Source file for sub1handler
 * Copyright (c) Sigma Designs 2002-2003.  All Rights Reserved.
 */

#include "OsdWindow.h"
#include "sub1handler.h"

void Sub1KeydownHandler(OSD_WINDOW *wPtr,DATA_POINTER ptr)
{
	GR_EVENT *event;
	GR_RECT rect;
	int tmp;
	
	rect.x = SUB1_XPOS;
	rect.width = SUB1_WIDTH; rect.height = SUB1_HEIGHT;
    event=wPtr->lastevent;
	
	switch(event->keystroke.ch) {
	case SHOW_UP_KEYDOWN:
		// Find next enabled 
		tmp = sub1Sel - 1;
		while (tmp >= 0) {
			if (curSub1[tmp].enabled)
				break;
			tmp--;
		}
		
		if (tmp >= 0) {
			// Unhilite current
			rect.y = curSub1[sub1Sel].y;
			DrawUnHilite(wPtr, &rect);
		
			// Hilite next one
			sub1Sel = tmp;
			rect.y = curSub1[sub1Sel].y;
			DrawHilite(wPtr, &rect);
			DrawSub2Menu(wPtr, curSub1[sub1Sel].pSub2, curSub1[sub1Sel].endItems);
		}
		break;

	case SHOW_DOWN_KEYDOWN:
		// Find next enabled 	
		tmp = sub1Sel + 1;
		while (tmp < sub1Items) {
			if (curSub1[tmp].enabled)
				break;
			tmp++;
		}
		
		if (tmp < sub1Items) {
			// Unhilite current
			rect.y = curSub1[sub1Sel].y;
			DrawUnHilite(wPtr, &rect);
		
			// Hilite next one
			sub1Sel = tmp;
			rect.y = curSub1[sub1Sel].y;
			DrawHilite(wPtr, &rect);
			DrawSub2Menu(wPtr, curSub1[sub1Sel].pSub2, curSub1[sub1Sel].endItems);
		}
		break;
		
	case SHOW_LEFT_KEYDOWN:
		// Clear sub2 area
		ClearSub2Background(wPtr);
	
		// Unhilite current sub1Sel
		rect.y = curSub1[sub1Sel].y;
		DrawUnHilite(wPtr, &rect);
		MapSetupHandler(wPtr, (DATA_POINTER)GR_FALSE);
		break;
	
	case SHOW_ENTER_KEYDOWN:
		if (curSub1 == iniSub1 && sub1Sel == INISUB1_CHANGE_PWD_OFFSET) {
			MapPwdSetHandler(wPtr, NULL);
			break;
		}
		//else fall through
	case SHOW_RIGHT_KEYDOWN:
		if (curSub1[sub1Sel].selected != -1) {
			if (MapSub2Handler(wPtr, (SUB_ITEM *)&curSub1[sub1Sel], curSub1[sub1Sel].pSub2, curSub1[sub1Sel].endItems) != -1) {
				int sel;
				GR_SIZE retwidth, retheight, retbase;
				
				rect.y = curSub1[sub1Sel].y;
				DrawUnHilite(wPtr, &rect);
			
				// Change sub1Sel item to active color
				GrSetGCForeground(wPtr->gc, MWPALINDEX(PALINDEX_GRAY));
				GrText(wPtr->wid, wPtr->gc, SUB1_XPOS+12, curSub1[sub1Sel].y+SUB_TEXT_YPOS, curSub1[sub1Sel].text,-1, GR_TFASCII);			
				sel = curSub1[sub1Sel].selected;	
				GrGetGCTextSize(wPtr->gc, (void *)curSub1[sub1Sel].pSub2[sel].text,-1, GR_TFASCII, &retwidth, &retheight, &retbase);
				GrText(wPtr->wid, wPtr->gc, SUB1_XPOS+SUB1_WIDTH-12-retwidth, curSub1[sub1Sel].y+SUB_TEXT_YPOS, 
						curSub1[sub1Sel].pSub2[sel].text,-1, GR_TFASCII);
				
				GrSetGCForeground(wPtr->gc, MWPALINDEX(255));
			}
		}
		break;
		
	// Combination keys (9713) to goto DVI Custom Setting when we're at HD DVI Out selection
	case SHOW_NINE_KEYDOWN: showDVICustomSetting = 9; break;
	case SHOW_SEVEN_KEYDOWN: showDVICustomSetting += 7; break;
	case SHOW_ONE_KEYDOWN: showDVICustomSetting += 1; break;
	case SHOW_THREE_KEYDOWN:
		if (sub1Sel == 1 && showDVICustomSetting == 17)
			MapDVISettingHandler(wPtr, (DATA_POINTER)&vidSub1[1]);
		break;
	// Quit
	case SHOW_SETUP_KEYDOWN:
		SaveSettings(wPtr);
		MapMainWindow(wPtr, (DATA_POINTER)GR_TRUE);
		break;
		
	default:
		break;
	}
}

int 
MapSub1Handler(OSD_WINDOW *wPtr, SUB_ITEM *pSub1, int subItems)
{
	GR_RECT rect;
	int i; 
	//int sel;
	//GR_SIZE retwidth, retheight, retbase;
	
	
	if (pSub1) {
		if (subItems > 0)
			sub1Items = subItems;
		// refind enabled item
		sub1Sel = -1;
		curSub1 = pSub1;
		
		for (i=0; i<sub1Items; i++)
			if (curSub1[i].enabled) {
				sub1Sel = i;
				break;
			}
		if (sub1Sel == -1)	
			return -1;
		
		DrawSub2Menu(wPtr, curSub1[sub1Sel].pSub2, curSub1[sub1Sel].endItems);
	}
	// Validate video out settings
	//else if (curSub1 == vidSub1) {
	else
		DrawSub1Menu(wPtr, curSub1, sub1Items);
	//}
	
	// Map keyboard handler
	wPtr->KbdHandler = Sub1KeydownHandler;
	wPtr->KbdHandler_dptr = NULL;

	rect.x = SUB1_XPOS; rect.y = curSub1[sub1Sel].y; 
	rect.width = SUB1_WIDTH; rect.height = SUB1_HEIGHT;
	DrawHilite(wPtr, &rect);
	
	return 0;
}


void DrawSub1Menu(OSD_WINDOW *wPtr, SUB_ITEM *pSub1, int items)
{
	int i, sel;
	GR_RECT rect;
	GR_SIZE retwidth, retheight, retbase;
	GR_COORD x2,y2;
	
	// Clear sub1 background
	GrFillRect(wPtr->wid, wPtr->gc_pal6, SUB1_XPOS, SUB1_YPOS, SUB1_WIDTH, 300);
	
	x2 = SUB1_XPOS + SUB1_WIDTH - 1;
	y2 = SUB1_YPOS + 300 - 1;

	if (pSub1 == audSub1) {
		DrawUpperRight(wPtr->wid, wPtr->gc_pal0, x2, SUB1_YPOS);
		DrawLowerRight(wPtr->wid, wPtr->gc_pal0, x2, y2);
		DrawLowerLeft(wPtr->wid, wPtr->gc_pal0, SUB1_XPOS, y2);
	}
	else if (pSub1 == vidSub1) {
		DrawUpperLeft(wPtr->wid, wPtr->gc_pal0, SUB1_XPOS, SUB1_YPOS);		
		DrawUpperRight(wPtr->wid, wPtr->gc_pal0, x2, SUB1_YPOS);
		DrawLowerRight(wPtr->wid, wPtr->gc_pal0, x2, y2);
		DrawLowerLeft(wPtr->wid, wPtr->gc_pal0, SUB1_XPOS, y2);
		
		// Validate Video settings
		// if hdout == off && dviout == off, all are enabled.
		if (vidSub1[0].selected == HD_OUT_OFF && vidSub1[1].selected == DVI_OUT_OFF) {
			vidSub1[0].enabled = vidSub1[1].enabled = vidSub1[2].enabled = GR_TRUE;
		}
		// if hdout == off && dviout != off, hdout and tvout are disabled.
		else if (vidSub1[0].selected == HD_OUT_OFF && vidSub1[1].selected != DVI_OUT_OFF) {
			vidSub1[1].enabled = GR_TRUE;
			vidSub1[0].enabled = vidSub1[2].enabled = GR_FALSE;
		}
		// if hdout != off, dviout and tvout are disabled
		else {
			vidSub1[1].enabled = GR_FALSE;
			vidSub1[1].selected = DVI_OUT_OFF;
			vidSub1[2].enabled = GR_FALSE;
		}
		
	} else {
		DrawUpperLeft(wPtr->wid, wPtr->gc_pal0, SUB1_XPOS, SUB1_YPOS);		
		DrawUpperRight(wPtr->wid, wPtr->gc_pal0, x2, SUB1_YPOS);
		DrawLowerRight(wPtr->wid, wPtr->gc_pal0, x2, y2);
	}

	for (i=0; i<items; i++) {
		rect.x = SUB1_XPOS; rect.y = pSub1->y; rect.width = SUB1_WIDTH;  rect.height = SUB1_HEIGHT;
		
		if (pSub1->enabled)
			GrSetGCForeground (wPtr->gc, MWPALINDEX(255));
		else 
			GrSetGCForeground (wPtr->gc, MWPALINDEX(PALINDEX_DISABLE));

		GrText(wPtr->wid, wPtr->gc, SUB1_XPOS+12, pSub1->y+SUB_TEXT_YPOS, pSub1->text,-1, GR_TFASCII);

		sel = pSub1->selected;
		// We use -1 to indicate that sub1 menu has no sub2 items.
		if (sel != -1) {
			// Display current sub2 selection for a sub1 item
			GrGetGCTextSize(wPtr->gc, (void *)pSub1->pSub2[sel].text,-1, 
					GR_TFASCII, &retwidth, &retheight, &retbase);			
			GrText(wPtr->wid, wPtr->gc, SUB1_XPOS+SUB1_WIDTH-12-retwidth, pSub1->y+SUB_TEXT_YPOS, 
					pSub1->pSub2[sel].text,-1, GR_TFASCII);
		}
		pSub1++;	// Next sub1 item
	}
	
	GrSetGCForeground (wPtr->gc, MWPALINDEX(255));
}