page5.h

简单的linux下的用GTK实现的任务管理器软件

void prepareData()
{
    FILE   *stream;
    FILE   *wstream;
    char   buf[1024];

    memset( buf, '\0', sizeof(buf) );
    stream = popen( "df", "r" );
    wstream = fopen( "tempfile", "w");

    fread( buf, sizeof(char), sizeof(buf),  stream);
    fwrite( buf, 1, sizeof(buf), wstream );

    pclose( stream );
    fclose( wstream );
}

void getFsInfo()
{
    FILE* fp1;
    char buf7[6][512];

    prepareData();

    fp1=fopen("tempfile","r");

    fsNum=0;

    fgets(buf7[0],512,fp1);

    while(1)
    {
        if(fscanf(fp1,"%s",buf7[0])==EOF)
        {
            break;
        }
        if(fscanf(fp1,"%s",buf7[1])==EOF)
        {
            break;
        }
        if(fscanf(fp1,"%s",buf7[2])==EOF)
        {
            break;
        }
        if(fscanf(fp1,"%s",buf7[3])==EOF)
        {
            break;
        }
        if(fscanf(fp1,"%s",buf7[4])==EOF)
        {
            break;
        }
        if(fscanf(fp1,"%s",buf7[5])==EOF)
        {
            break;
        }
        fsNum++;

        strcpy(allFs[fsNum-1].name,buf7[0]);
        allFs[fsNum-1].ab=(int)(atof(buf7[1])/1024);
        allFs[fsNum-1].ub=(int)(atof(buf7[2])/1024);
        allFs[fsNum-1].fb=(int)(atof(buf7[3])/1024);
        strcpy(allFs[fsNum-1].usage,buf7[4]);
        strcpy(allFs[fsNum-1].point,buf7[5]);
    }

    fclose(fp1);
}

void updatePage5()
{
    int i;
    static char buf6[6][512];
    static int flag3=0;

    getFsInfo();

    if (flag3)
    {
        markup1 = g_markup_printf_escaped ("<span font_desc=\"URW Gothic L Bold 20\">In total, %d main filesystem found</span>",fsNum);
        gtk_label_set_markup (GTK_LABEL (page5Label), markup1);
        g_free (markup1);
    }

    flag3=1;

    gtk_list_store_clear(GTK_LIST_STORE(list_p5));

    /* put data into the list */
    for (i = 0; i < fsNum; i++)
    {
        if (allFs[i].name==NULL)
        {
            sprintf(buf6[0],"N/A   ");
        }
        else
        {
            sprintf(buf6[0],"%s   ",allFs[i].name);
        }

        if (allFs[i].ab==-1)
        {
            sprintf(buf6[1],"N/A   ");
        }
        else
        {
            sprintf(buf6[1],"%d   ",allFs[i].ab);
        }

        if (allFs[i].ub==-1)
        {
            sprintf(buf6[2],"N/A   ");
        }
        else
        {
            sprintf(buf6[2],"%d   ",allFs[i].ub);
        }

        if (allFs[i].fb==-1)
        {
            sprintf(buf6[3],"N/A   ");
        }
        else
        {
            sprintf(buf6[3],"%d   ",allFs[i].fb);
        }

        if (allFs[i].usage==NULL)
        {
            sprintf(buf6[4],"N/A   ");
        }
        else
        {
            sprintf(buf6[4],"%s   ",allFs[i].usage);
        }

        if (allFs[i].point==NULL)
        {
            sprintf(buf6[50],"N/A   ");
        }
        else
        {
            sprintf(buf6[5],"%s   ",allFs[i].point);
        }

        gtk_list_store_append(list_p5, &iter_p5);
        gtk_list_store_set(list_p5, &iter_p5,
                0,buf6[0],
                1,buf6[1],
                2,buf6[2],
                3,buf6[3],
                4,buf6[4],
                5,buf6[5],
                -1);
    }
}

page5Generate()
{
    /* create a 6−column list */
    list_p5 = gtk_list_store_new(6,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING);

    updatePage5();

    /* create tree view for the list */
    view_p5 = g_object_new(GTK_TYPE_TREE_VIEW,
            "model", list_p5,
            "reorderable", TRUE,
            NULL);
    gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view_p5),TRUE);

    /* create and initialize text renderer for cells */
    text_renderer_p5_1 = gtk_cell_renderer_text_new();
    g_object_set(text_renderer_p5_1, "font", "URW Gothic L","weight",1500,NULL);
    text_renderer_p5_2 = gtk_cell_renderer_text_new();
    g_object_set(text_renderer_p5_2, "font", "URW Gothic L",NULL);
    text_renderer_p5_3 = gtk_cell_renderer_text_new();
    g_object_set(text_renderer_p5_3, "font", "URW Gothic L",NULL);
    text_renderer_p5_4 = gtk_cell_renderer_text_new();
    g_object_set(text_renderer_p5_4, "font", "URW Gothic L",NULL);
    text_renderer_p5_5 = gtk_cell_renderer_text_new();
    g_object_set(text_renderer_p5_5, "font", "URW Gothic L",NULL);
    text_renderer_p5_6 = gtk_cell_renderer_text_new();
    g_object_set(text_renderer_p5_6, "font", "Purisa",NULL);

    /* create column views */
    name_column_p5 = gtk_tree_view_column_new_with_attributes("Name",text_renderer_p5_1,"text", 0,NULL);
    g_object_set(name_column_p5,
            "resizable", TRUE,
            "clickable", FALSE,
            "reorderable", TRUE,
            NULL);
    ab_column_p5 = gtk_tree_view_column_new_with_attributes("Size(MB)",text_renderer_p5_2,"text", 1,NULL);
    g_object_set(ab_column_p5,
            "resizable", TRUE,
            "clickable", FALSE,
            "reorderable", TRUE,
            NULL);
    ub_column_p5 = gtk_tree_view_column_new_with_attributes("Used(MB)",text_renderer_p5_3,"text", 2,NULL);
    g_object_set(ub_column_p5,
            "resizable", TRUE,
            "clickable", FALSE,
            "reorderable", TRUE,
            NULL);
    fb_column_p5 = gtk_tree_view_column_new_with_attributes("Free(MB)",text_renderer_p5_4,"text", 3,NULL);
    g_object_set(fb_column_p5,
            "resizable", TRUE,
            "clickable", FALSE,
            "reorderable", TRUE,
            NULL);
    usage_column_p5 = gtk_tree_view_column_new_with_attributes("Used Percentage",text_renderer_p5_5,"text", 4,NULL);
    g_object_set(usage_column_p5,
            "resizable", TRUE,
            "clickable", FALSE,
            "reorderable", TRUE,
            NULL);
    point_column_p5 = gtk_tree_view_column_new_with_attributes("Mount Point",text_renderer_p5_6,"text", 5,NULL);
    g_object_set(point_column_p5,
            "resizable", TRUE,
            "clickable", FALSE,
            "reorderable", TRUE,
            NULL);

    /* insert columns into the view */
    gtk_tree_view_append_column(view_p5,name_column_p5);
    gtk_tree_view_append_column(view_p5,ab_column_p5);
    gtk_tree_view_append_column(view_p5,ub_column_p5);
    gtk_tree_view_append_column(view_p5,fb_column_p5);
    gtk_tree_view_append_column(view_p5,usage_column_p5);
    gtk_tree_view_append_column(view_p5,point_column_p5);



    /* put everything into a scrolled window */
    scrolled_window_p5 = g_object_new(GTK_TYPE_SCROLLED_WINDOW, NULL);
    gtk_container_add(GTK_CONTAINER(scrolled_window_p5), GTK_WIDGET(view_p5));
    gtk_table_attach(GTK_TABLE(page_table[4]),GTK_WIDGET(scrolled_window_p5),
            0,gridQuanH,
            0,gridQuanV/10*9,
            GTK_EXPAND|GTK_FILL,GTK_EXPAND|GTK_FILL,
            10,10
            );

    page5Frame=g_object_new(GTK_TYPE_FRAME, "label", "Main Filesystem Overall View", NULL);
    gtk_table_attach(GTK_TABLE(page_table[4]),GTK_WIDGET(page5Frame),
            0,gridQuanH,
            gridQuanV/10*9,gridQuanV,
            GTK_EXPAND|GTK_FILL,GTK_EXPAND|GTK_FILL,
            10,5
            );

    sprintf(fsOverallDataBuffer,"In total, %d main filesystem found",fsNum);
    page5Label=gtk_label_new(fsOverallDataBuffer);
    gtk_label_set_justify(GTK_LABEL(page5Label),GTK_JUSTIFY_CENTER);
    markup1 = g_markup_printf_escaped ("<span font_desc=\"URW Palladio Bold 17\">In total, %d main filesystem found.</span>",fsNum);
    gtk_label_set_markup (GTK_LABEL (page5Label), markup1);
    g_free (markup1);
    gtk_table_attach(GTK_TABLE(page_table[4]),GTK_WIDGET(page5Label),
            0,gridQuanH,
            gridQuanV/10*9,gridQuanV,
            GTK_EXPAND|GTK_FILL,GTK_EXPAND|GTK_FILL,
            10,0
            );
}