record_tree.cpp~

用linux开发的安防暴警的有关代码

#include "record_tree.h"

//===============================================================================
// FUNCTION		update_record_tree
// SYNOPSIS		Creates the folderlist Fl_Toggle_Tree data from the currently
//				available mailboxes and their views.
//
// ARGUMENTS	scr		(Fl_Scroll *)	Group the tree should be a part of.
//
// RETURNS		function returns no data
//===============================================================================

int time_sort(Fl_Toggle_Node_Base*nod1, Fl_Toggle_Node_Base*nod2) {
  	char *p1;
  	char *p2;
	char buf1[128];
	char buf2[128];
	strcpy(buf1,((Fl_Toggle_Node*)nod1)->label());
	strcpy(buf2,((Fl_Toggle_Node*)nod2)->label());

	
	p1=strrchr(buf1,'\t');
	p2=strrchr(buf2,'\t');

	if (p1&&p2&&*p1&&*p2)
		return -strcmp(p1,p2);
	else 
		return -1;
}



void update_record_tree (Fl_Scroll *scr)
{
	int i;
	int x,y;
	char buf[512];

	char buffer1[512];
	char buffer2[1024];
	FILE *IF;
	WordList W;
	int discard=0;
	int record_num=0;	

        	fl_mapcolor (FL_FREE_COL4,246,235,180 ); 

	i = scr->children()-1;
	while (i>=2)
	{
		scr->remove(scr->child(i-2));
		i--;
	}

	y = scr->y()+5;
	x = 0;
	scr->begin();

	record_tree = new Fl_Toggle_Tree (15, scr->y()+2, scr->w() - 4, 100);
	record_tree->column_widths(wrecord);
	record_tree->textsize (16);
	record_tree->selection_color (209);
	record_tree->selection_label_color (FL_BLACK);
	record_tree->color(FL_FREE_COL5);
	record_tree->label_offset(35);
	record_tree->pixmap_offset(15);
	record_tree->edit_on_reselect (0);
	record_tree->column_char('\t');
	scr->resizable (record_tree);
//构造树

	IF = fopen (LOG_FILE_NAME, "r");
	if (IF)
	{printf("Get file ok\n");
		while (!feof (IF))
		{
			if (fgets(buf, 1024, IF) == NULL)
		    		break;
			if (buf[strlen(buf)-1] == '\n') 
				record_num++;
		}	
		fseek(IF,0,SEEK_SET);
		discard = 0;

	 	while (discard < record_num-100) {
		if (fgets(buf, 1024, IF) == NULL)
		    break;
		if (buf[strlen(buf)-1] == '\n') 
		    discard++;
		}

		while (!feof (IF))
		{
			buffer1[0] = 0;
			fgets (buffer1, 511, IF);
			choplf (buffer1);
			W.MakeDB (buffer1);
			if (W.Count == 4)
			{
				sprintf (buffer2, "%s\t%s\t%s\t%s\t%s", W.Get(0),ALERT_TYPE[atoi(W.Get(1))],DEVICE_TYPE[atoi(W.Get(2))],W.Get(3),W.Get(4));
				record_tree->add_next (buffer2, 0, 0);
			}
		}
		fclose (IF);
	}
	++x;

	record_tree->callback ((Fl_Callback *)cb_record_tree);
	record_tree->update_height();
	record_tree->alternate_color(record_tree->color());
	record_tree->trim_color (record_tree->color());
//	record_tree->alternate_color(FL_LIGHT2);
//	record_tree->trim_color(FL_LIGHT1);
//	record_tree->sort_tree(Fl_Toggle_Tree::sort_by_label);
	record_tree->sort_tree(time_sort);
	scr->end();
	scr->redraw();
	Fl::flush();
}


void cb_record_tree (Fl_Widget *b, void *v)
{
	record_tree->unselect();
}