Add standard Menu component lib/menu.h and example how to use it

git-svn-id: svn://kolibrios.org@6041 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/cmm/examples/compile.bat

@@ -1,11 +1,14 @@
 c-- example.c
 c-- collections.c
+c-- menu.c
 
 @del @@example
 @del @@collections
+@del @@menu
 
 @rename example.com @@example
 @rename collections.com @@collections
+@rename menu.com @@menu
 
 @del warning.txt
 @pause

programs/cmm/examples/menu.c

@@ -0,0 +1,69 @@
+#define MEMSIZE 4096*10
+
+#include "../lib/io.h"
+#include "../lib/list_box.h"
+#include "../lib/gui.h"
+#include "../lib/menu.h"
+
+struct _object
+{
+	int x,y,w,h,id;
+};
+
+_object butv = { 20, 20, 100, 30, 10};
+_object buta = {150, 20, 100, 30, 20};
+
+char vegetables[] = 
+"Onion
+Melon
+Tomato
+Squash
+Salad";
+
+char animals[] =
+"Cat
+Dog
+Pig
+Cow
+Goat
+Rabbit";
+
+byte category;
+
+
+void main()
+{
+	proc_info Form;
+	int id;
+
+	loop() switch(WaitEvent())
+	{
+	 case evButton:
+		id=GetButtonID();               
+		if (id==1) ExitProcess();
+		if (id==butv.id) {
+			menu.selected = category+1;
+			menu.show(Form.left+5 + butv.x, Form.top+skin_height + butv.y + butv.h, 100, #vegetables, butv.id);
+		}
+		if (id==buta.id) {
+			menu.selected = 0;
+			menu.show(Form.left+5 + buta.x, Form.top+skin_height + buta.y + buta.h, 120,    #animals, buta.id);
+		}
+		break;
+
+	case evKey:
+		GetKeys();
+		break;
+	 
+	 case evReDraw:
+		if (menu.list.cur_y) {
+			if (menu.list.cur_y > butv.id) && (menu.list.cur_y < buta.id) category = menu.list.cur_y - butv.id;
+		}
+		DefineAndDrawWindow(215,100,350,300,0x34,0xFFFFFF,"Window header");
+		GetProcessInfo(#Form, SelfInfo);
+		WriteText(10,110,0x80,0,#param);
+		DrawCaptButton(butv.x, butv.y, butv.w, butv.h, butv.id, 0xCCCccc, 0x000000, "Vegetables");
+		DrawCaptButton(buta.x, buta.y, buta.w, buta.h, buta.id, 0xCCCccc, 0x000000, "Aminal");
+		break;
+	}
+}

programs/cmm/lib/kolibri.h

@@ -719,10 +719,7 @@ inline fastcall dword GetStartTime()
 	dword width,height;
 } screen;
 
-:struct _skin
-{
-	dword width,height;
-} SKIN;
+:byte skin_height;
 
 :void DrawDate(dword x, y, color, in_date)
 {
@@ -795,7 +792,7 @@ void ______INIT______()
 	self.path = I_Path;
 	__path_name__(#__BUF_DIR__,I_Path);
 	
-	SKIN.height   = GetSkinHeight();
+	skin_height   = GetSkinHeight();
 	screen.width  = GetScreenWidth();
 	screen.height = GetScreenHeight();
 	

programs/cmm/lib/menu.h

@@ -0,0 +1,74 @@
+
+
+struct _menu
+{
+	dword appear_x, appear_y, text, identifier, selected;	
+	llist list;
+	void show();
+	char stak[4096];
+}menu;
+
+void _menu::show(dword _appear_x, _appear_y, _menu_width, _text, _identifier)
+{
+	appear_x = _appear_x;
+	appear_y = _appear_y;
+	text = _text;
+	identifier = _identifier;
+
+	list.cur_y = -1;
+	list.ClearList();
+	list.count = chrnum(text, '\n')+1;
+	list.SetSizes(2,2,_menu_width,list.count*19,19);
+
+	CreateThread(#_menu_thread,#stak+4092);
+}
+
+void _menu_thread()
+{
+	proc_info MenuForm;
+	SetEventMask(100111b);
+	loop() switch(WaitEvent())
+	{
+		case evMouse:
+			GetProcessInfo(#MenuForm, SelfInfo);
+			if (!CheckActiveProcess(MenuForm.ID)) _menu_no_item_click();
+			mouse.get();
+			if (menu.list.ProcessMouse(mouse.x, mouse.y)) _menu_draw_list();
+			if (mouse.lkm)&&(mouse.up) _menu_item_click();
+			break;		
+		case evKey:
+			GetKeys();
+			if (key_scancode==SCAN_CODE_ESC) _menu_no_item_click();
+			if (key_scancode==SCAN_CODE_ENTER) _menu_item_click();
+			if (menu.list.ProcessKey(key_scancode)) _menu_draw_list();
+			break;
+		case evReDraw:
+			DefineAndDrawWindow(menu.appear_x,menu.appear_y,menu.list.w+2,menu.list.h+4,0x01, 0, 0, 0x01fffFFF);
+			DrawPopup(0,0,menu.list.w,menu.list.h+3,0, 0xE4DFE1,0x9098B0);
+			_menu_draw_list();				
+	}
+}
+
+void _menu_draw_list()
+{
+	int N, bgcol;
+	for (N=0; N<menu.list.count; N++;)
+	{
+		if (N==menu.list.cur_y) bgcol=0xFFFfff; else bgcol=0xE4DFE1;
+		DrawBar(menu.list.x, N*menu.list.item_h+menu.list.y, menu.list.w-3, menu.list.item_h, bgcol);
+	}
+	WriteTextLines(13, menu.list.item_h-8/2+menu.list.y, 0x80, 0, menu.text, menu.list.item_h);
+	if (menu.selected) WriteText(5, menu.selected-1*menu.list.item_h+7, 0x80, 0xEE0000, "\x10");
+}
+
+void _menu_item_click()
+{
+	menu.list.cur_y = menu.identifier + menu.list.cur_y;
+	ExitProcess();
+}
+
+void _menu_no_item_click()
+{
+	menu.list.cur_y = 0;
+	ExitProcess();
+}