category.c

个人日程管理系统

/* -*-Mode:C; tab-width:4; indent-tabs-mode:t; c-file-style:"stroustrup";-*- */
//
// Project : progect
// Desc.   : category support module
// $Id: category.c,v 1.3 2003/07/27 18:22:32 rick_price Exp $
//

// +++ FIX THIS +++
#define ALLOW_ACCESS_TO_INTERNALS_OF_FIELDS
#define ALLOW_ACCESS_TO_INTERNALS_OF_TABLES
#include <Table.h>
// +++ FIX THIS +++

#include "progect.h"
#include "progectRsc.h"

UInt16* g_pCategoryBits = NULL;



/****************************************************************************
 * Name : onDrawCategoriesColumn
 * Desc : Custom draw procedure for categories select table
 * Parm : all parameters is pass from PalmOS
 *         -> table object
 *         -> row, column
 *         -> clipping rect
 * Out  : 
 * Auth : seagull, 04.11.2000 JST
 ***************************************************************************/
static void onDrawCategoriesColumn(void *tableP,
								   Int16 row, Int16 column,
								   RectangleType *bounds)
{
	UInt16 id = TblGetItemInt(tableP, row, column);
	Char label[dmCategoryLength];

	// erase the row
	if (! OSCaps.ver35)
		WinEraseRectangle(bounds, 0);

	if (id >= 16) // empty column
		return ;

	CategoryGetName(gdbP, id, label);
	FntSetFont(stdFont);
	DrawTruncText(label,
				  bounds->topLeft.x, bounds->topLeft.y, bounds->extent.x);
}






/****************************************************************************
 * Name : FrmCategoriesSelectHandleEvent
 * Desc : event hander for category select dialog
 * Parm : 
 *         -> event object
 * Out  : 
 * Auth : seagull, 03.11.2000 JST
 ***************************************************************************/
Boolean FrmCategoriesSelectHandleEvent(EventPtr e)
{
	FormPtr frm;
	TablePtr table;
	UInt8 rows;

	frm = FrmGetActiveForm();
	table = GetObjectPtr(CategoriesSelectTable);
	rows = TblGetNumberOfRows(table);

	switch (e->eType)
	{
	case frmOpenEvent:
		{
			ScrollBarPtr scrollbar = GetObjectPtr(Scr_SelectCategories);
			int i;
			UInt16 bits = *g_pCategoryBits;
			UInt16 row = 0;
			for (i = 0; i < 16; i++)
			{
				Char label[dmCategoryLength];
				CategoryGetName(gdbP, i, label);
				
				if (label[0])
				{
					TblSetItemStyle(table, i, 0, checkboxTableItem);
					TblSetItemInt(table, i, 0, bits >> 15);

					TblSetItemStyle(table, i, 1, customTableItem);
					TblSetCustomDrawProcedure(table, 1,
											  onDrawCategoriesColumn);
					TblSetItemInt(table, i, 1, i);

					TblSetRowUsable(table, i, true);
					TblSetRowSelectable(table, i, true);

					row++;
				}
				else
					TblSetRowUsable(table, i, false);

				
				bits <<= 1;
			}

			TblSetColumnUsable(table, 0, true);
			TblSetColumnUsable(table, 1, true);

			if (row > TblGetNumberOfRows(table))
			{
				TblHasScrollBar(table, true);
				SclSetScrollBar(scrollbar, 0, 0, row - TblGetNumberOfRows(table), 1);
			}
		}

		FrmDrawForm(frm);
		TblDrawTable(table);

		return true;

	case sclRepeatEvent:
// +++ FIX THIS +++
		table->topRow = e->data.sclRepeat.newValue;
// +++ FIX THIS +++
		TblDrawTable(table);
		return true;

	case ctlSelectEvent:
		switch (e->data.ctlSelect.controlID)
		{
		case Btn_Ok:
			{
				UInt16 bits = 0;
				while (rows--)
				{
					UInt16 mask = 0x8000 >> TblGetItemInt(table, rows, 1);
					if (TblGetItemInt(table, rows, 0))
						bits |= mask;
					else
						bits &= ~mask; 
				}
				*g_pCategoryBits = bits;
			}
		case Btn_Cancel:
			FrmReturnToForm(0);
			return true;
		case Btn_All:
			while (rows--)
				TblSetItemInt(table, rows, 0, 1);
			TblDrawTable(table);
			return true;
		case Btn_Toggle:
			while (rows--)
				TblSetItemInt(table, rows, 0, 
							  (TblGetItemInt(table, rows, 0)? 0 : 1) );
			TblDrawTable(table);
			return true;
		}

	default:
		break;
	}

	return false;

}// Boolean FrmCategoriesSelectHandleEvent(EventPtr e)