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kolibrios/programs/cmm/lib/menu.h

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dword menu_process_id;
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*24,24);
menu_process_id = 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-12/2+menu.list.y, 0x90, 0, menu.text, menu.list.item_h);
if (menu.selected) WriteText(5, menu.selected-1*menu.list.item_h+11, 0x80, 0xEE0000, "\x10");
}
void _menu_item_click()
{
menu.list.cur_y = menu.identifier + menu.list.cur_y;
KillProcess(menu_process_id);
}
void _menu_no_item_click()
{
menu.list.cur_y = 0;
KillProcess(menu_process_id);
}