Imported Upstream version 0.65upstream/0.65

1 files changed, 255 insertions, 0 deletions

diff --git a/menu.c b/menu.c
new file mode 100644
index 0000000..6369d57
--- /dev/null
+++ b/menu.c
@@ -0,0 +1,255 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include "machine_type.h"
+#include "menu.h"
+#include "output.h"
+#include "input.h"
+
+void clearMenu(tMenu* Menu)
+{
+	Menu->menuitemnum=0;
+	Menu->menuitemactive=0;
+}
+void newMenuItem(tMenu* Menu,char* text,tUInt16 y,tUInt16 x,char hotkey,tBool active,tInt8* itemnum)
+{
+	memcpy(Menu->MenuItems[Menu->menuitemnum].menutext,text,64);
+	Menu->MenuItems[Menu->menuitemnum].x=x;
+	Menu->MenuItems[Menu->menuitemnum].y=y;
+	if (hotkey>='a' && hotkey<='z') hotkey-=32;	// make the hotkey uppercase
+	Menu->MenuItems[Menu->menuitemnum].hotkey=hotkey;
+	
+	if (active) Menu->menuitemactive=Menu->menuitemnum;
+	*itemnum=Menu->menuitemnum;
+	Menu->menuitemnum++;
+}
+void printMenu(tOutput* output,tMenu* Menu,tUInt16 offsy,tUInt16 offsx)
+{
+	int i;
+	int j;
+	for (i=0;i<Menu->menuitemnum;i++)
+	{
+		setcolor(output,(i==Menu->menuitemactive)?COLOR_MENUACTIVE:COLOR_MENUNORMAL);
+		mvwprintw(output->win,offsy+Menu->MenuItems[i].y,offsx+Menu->MenuItems[i].x,"%s",Menu->MenuItems[i].menutext);
+		if (Menu->MenuItems[i].hotkey)
+		{
+			for (j=0;j<strlen(Menu->MenuItems[i].menutext);j++)
+			{
+				if (Menu->MenuItems[i].menutext[j]==Menu->MenuItems[i].hotkey || (Menu->MenuItems[i].hotkey>='A' && Menu->MenuItems[i].hotkey<='Z' && Menu->MenuItems[i].menutext[j]-32==Menu->MenuItems[i].hotkey))
+				{
+					setcolor(output,(i==Menu->menuitemactive)?COLOR_MENUHOTKEYACTIVE:COLOR_MENUHOTKEY);
+					mvwprintw(output->win,offsy+Menu->MenuItems[i].y,offsx+Menu->MenuItems[i].x+j,"%c",Menu->MenuItems[i].menutext[j]);
+					j=65;
+				}
+			}
+		}	
+	}
+}
+void MenuMoveLeft(tMenu* Menu)
+{
+	tUInt16	actx;
+	tUInt16	acty;
+	tInt16	diffx;
+	tInt16	diffy;
+	tInt16	mindiffx;
+	tInt16	mindiffy;
+	tUInt16	minact;
+	int i;
+
+	actx=Menu->MenuItems[Menu->menuitemactive].x;
+	acty=Menu->MenuItems[Menu->menuitemactive].y;
+
+
+	mindiffx=COLS;
+	mindiffy=LINES;
+	minact=Menu->menuitemactive;
+
+	for (i=0;i<Menu->menuitemnum;i++)
+	if (i!=Menu->menuitemactive)
+	{
+		diffx=actx-Menu->MenuItems[i].x;
+		diffy=acty-Menu->MenuItems[i].y;
+		if (diffy<0) diffy=-diffy;
+		if (mindiffy>diffy)
+		{
+			mindiffy=diffy;
+			mindiffx=COLS;
+		}
+		if (mindiffy==diffy)
+		{
+			if (mindiffx>=diffx && diffx>0)
+			{
+				mindiffx=diffx;
+				minact=i;				
+			}
+		}
+	}
+	Menu->menuitemactive=minact;	
+}
+void MenuMoveRight(tMenu* Menu)
+{
+	tUInt16	actx;
+	tUInt16	acty;
+	tInt16	diffx;
+	tInt16	diffy;
+	tInt16	mindiffx;
+	tInt16	mindiffy;
+	tUInt16	minact;
+	int i;
+
+	actx=Menu->MenuItems[Menu->menuitemactive].x;
+	acty=Menu->MenuItems[Menu->menuitemactive].y;
+
+
+	mindiffx=COLS;
+	mindiffy=LINES;
+	minact=Menu->menuitemactive;
+
+	for (i=0;i<Menu->menuitemnum;i++)
+	if (i!=Menu->menuitemactive)
+	{
+		diffx=Menu->MenuItems[i].x-actx;
+		diffy=acty-Menu->MenuItems[i].y;
+		if (diffy<0) diffy=-diffy;
+		if (mindiffy>diffy)
+		{
+			mindiffy=diffy;
+			mindiffx=COLS;
+		}
+		if (mindiffy==diffy)
+		{
+			if (mindiffx>=diffx && diffx>0)
+			{
+				mindiffx=diffx;
+				minact=i;				
+			}
+		}
+	}
+	Menu->menuitemactive=minact;	
+}
+void MenuMoveUp(tMenu* Menu)
+{
+	tUInt16	actx;
+	tUInt16	acty;
+	tInt16	diffx;
+	tInt16	diffy;
+	tInt16	mindiffx;
+	tInt16	mindiffy;
+	tUInt16	minact;
+	int i;
+
+	actx=Menu->MenuItems[Menu->menuitemactive].x;
+	acty=Menu->MenuItems[Menu->menuitemactive].y;
+
+
+	mindiffx=COLS;
+	mindiffy=LINES;
+	minact=Menu->menuitemactive;
+
+	for (i=0;i<Menu->menuitemnum;i++)
+	if (i!=Menu->menuitemactive)
+	{
+		diffx=Menu->MenuItems[i].x-actx;
+		diffy=acty-Menu->MenuItems[i].y;
+		if (diffx<0) diffx=-diffx;
+		if (mindiffx>diffx)
+		{
+			mindiffx=diffx;
+			mindiffy=LINES;
+		}
+		if (mindiffx==diffx)
+		{
+			if (mindiffy>=diffy && diffy>0)
+			{
+				mindiffy=diffy;
+				minact=i;				
+			}
+		}
+	}
+	Menu->menuitemactive=minact;	
+}
+void MenuMoveDown(tMenu* Menu)
+{
+	tUInt16	actx;
+	tUInt16	acty;
+	tInt16	diffx;
+	tInt16	diffy;
+	tInt16	mindiffx;
+	tInt16	mindiffy;
+	tUInt16	minact;
+	int i;
+
+	actx=Menu->MenuItems[Menu->menuitemactive].x;
+	acty=Menu->MenuItems[Menu->menuitemactive].y;
+
+
+	mindiffx=COLS;
+	mindiffy=LINES;
+	minact=Menu->menuitemactive;
+
+	for (i=0;i<Menu->menuitemnum;i++)
+	if (i!=Menu->menuitemactive)
+	{
+		diffx=Menu->MenuItems[i].x-actx;
+		diffy=Menu->MenuItems[i].y-acty;
+		if (diffx<0) diffx=-diffx;
+	
+		if (mindiffx>diffx)
+		{
+			mindiffx=diffx;
+			mindiffy=LINES;
+		}
+		if (mindiffx==diffx)
+		{
+			if (mindiffy>=diffy && diffy>0)
+			{
+				mindiffy=diffy;
+				minact=i;				
+			}
+		}
+	}
+	Menu->menuitemactive=minact;	
+}
+void MenuSetActiveItem(tMenu* Menu,tInt8 itemnum)
+{
+	Menu->menuitemactive=itemnum;
+}
+tInt8 MenuInteract(tOutput* output,tMenu* Menu,tInt16 offsy,tInt16 offsx)
+{
+	tInt16	ch;
+	int	i;
+	tInt8	retval;
+
+	ch=0;
+	printMenu(output,Menu,offsy,offsx);
+	while (ch!=KEYENTER)
+	{
+		ch=getkey((tKeyTab*)output->pKeyTab,0);
+		switch(ch)
+		{
+			case	KEYLEFT:	MenuMoveLeft(Menu);						break;
+			case	KEYRIGHT:	MenuMoveRight(Menu);						break;
+			case	KEYUP:		MenuMoveUp(Menu);						break;
+			case	KEYDOWN:	MenuMoveDown(Menu);						break;
+			case	KEYTAB:		Menu->menuitemactive=(Menu->menuitemactive+1)%Menu->menuitemnum;break;
+			case	KEYENTER:	retval=Menu->menuitemactive;					break;
+			default:
+				if (ch>=' ' && ch<127)
+				{
+					if (ch>='a' && ch<='z') ch-=32;
+					for (i=0;i<Menu->menuitemnum;i++)
+					{
+						if (Menu->MenuItems[i].hotkey==ch)
+						{
+							Menu->menuitemactive=i;
+							ch=KEYENTER;
+						}	
+					}
+				}
+			break;
+		}
+		printMenu(output,Menu,offsy,offsx);
+	}
+	return Menu->menuitemactive;
+}