keypress.m

matlab 数独游戏源码 但是没有注释

function keypress(handles);
ix=getappdata(handles.sudoku,'selected');
s0=getappdata(handles.sudoku,'s0');
s=getappdata(handles.sudoku,'s');
key=get(handles.sudoku,'currentcharacter');
if ix>0 && ismember(double(key),[28:31]),
    [i,j]=ind2sub([9 9],ix);
    if double(key)==28,
        i=i-1;
    elseif double(key)==29,
        i=i+1;
    elseif double(key)==30,
        j=j-1;
    else
        j=j+1;
    end
    if i>=1 && i<=9 && j>=1 && j<=9,
        ix=sub2ind([9 9],i,j);
        highlight(handles,ix);
    end
    return
end
ix0=find(s0==0);
if ~ismember(ix,ix0),
    return
end
h_text=getappdata(handles.sudoku,'h_text');
h_field=getappdata(handles.sudoku,'h_field');

if ismember(double(key),[8 32 48 127]),
    s(ix)=0;
    set(h_text(ix),'string','');
    setappdata(handles.sudoku,'s',s);
elseif ismember(double(key),[49:57]),
    st=s;
    st(ix)=str2num(key);
    [i,j]=ind2sub([9 9],ix);
    [rok,ind]=rulesok(st,i,j);
    set(h_text(ix),'string',key,'color',0.5*[1 1 1]);
    if rok,
        s(ix)=str2num(key);
        setappdata(handles.sudoku,'s',s);
        if ~any(s(:)==0),
            t0=getappdata(handles.sudoku,'t0');
            dt=etime(clock,t0);
            t_h=floor(dt/(60*60));
            t_m=floor((dt-t_h*(60*60))/60);
            t_s=round(dt-t_h*(60*60)-t_m*60);
            t_str=[];
            if t_h>0,
                t_str=[num2str(t_h) '小时 '];
            end
            if t_m>0,
                t_str=[t_str num2str(t_m) '分钟 '];
            end
            t_str=[t_str num2str(t_s) '秒'];
            cheated=getappdata(handles.sudoku,'cheated');
            if cheated,
                t_str=[t_str '，但是你作弊了！！！'];
            end 
            h=msgbox(['你解决这道数独题用了' t_str],'太棒了!','modal');
            uiwait(h);
        end
    else
        set(h_field(ind),'facecolor',[1 0.8 0.8]);
        drawnow;
        pause(1);
        set(h_field(ind),'facecolor','white');
        set(h_text(ix),'string','');
    end
end