// Part of the Scriptura program
// pane.h -- header file for pane class

#ifndef PANE
#define PANE

#include <menu.h>
#include <form.h>
#include <string>

#include <swconfig.h>

#include "free.h"

// pane - defines a window complex to display data retrieved from sword
class pane {
	WINDOW *win;			// the window drawing the bounding box
	char titlebar[40];		// window titlebar
	bool hasFocus;			// holds window focus status

	WINDOW *pad;			/* typically a pad holding buffer text, but may
							 * instead be a window holding a menu or form */
	int padx, pady;			// the pad bounding box upper left corner
	int padrows, padcols;	// the pad bounding box dimensions

	// if pad is an ncurses pad, then:
	int buflocx, buflocy;	// the pad buffer location (ie. where we are)
	int bufsizex, bufsizey;	// the pad buffer size (height & width)

	modkey mod;				// module key associated with this pane
	char* rawtext;    // copy of unprocessed text the pane is showing

	/* retitle
	 * refresh the title of the window */
	void retitle();

	/* renderText
	 * take a text to display and format it for display, also creating the pad
	 * to hold it */
	void renderText();

	/* printInstructions
	 * for floating panes, print out instruction lines that fit in the window
	 * bounds - returns the next available row in the window to print on */
	int printInstructions(int y, const char* inst);

  public:
	int x, y;				// starting X & Y locations on screen
	int height, width;		// size of pane (the outer window)

	/* constructor
	 * Takes as input the upper left (Y,X) coord for the window, its number of
	 * lines & columns, and the text for the titlebar */
	pane(int starty, int startx, int lines, int cols, const char* title);

	/* resize
	 * resize the window & pad, in the case of terminal resizing */
	void resize(int starty, int startx, int lines, int cols);

	/* setTitle
	 * sets the title of the window & truncates if too long */
	void setTitle(const char* newtitle);

	/* loadText
	 * Loads text into the panel. */
	void loadText(const char* stext);

	/* redraw
	 * Update the window whenever there is a change to make. Optionally takes a
	 * boolean that will refresh the outer window border */
	void redraw(bool borders = false);

	/* pagination functions - move up or down a line or a page in the window */
	void nextPage();
	void scrollDown();
	void scrollUp();
	void prevPage();

	/* toggleFocus
	 * Toggles whether the pane has focus.  Will refresh the window titlebar. */
	void toggleFocus();

	/* loadMenu
	 * given an option list, create a menu and return the selected list index */
	int loadMenu(starray opts);

	/* loadForm
	 * given an array of strings, and an instruction line, create a form and
	 * return the entered text - will return with starray.length = 0 if user
	 * backs out */
	starray loadForm(starray inputs, const char* secondinst);

	/* menuclean
	 * given a menu, list of items, and number of items, unpost & free up
	 * allocated memory */
	void menuClean(MENU* menu, ITEM** items, int numitems);

	/* formClean
	 * given a form, fields, and number of fields, free up allocated memory */
	void formClean(FORM* form, FIELD** fields, int numfields);

	/* setModule
	 * change the module associated with this pane - stores the module index
	 * and switches the pane title to be something else */
	void setModule(const char* newtitle, const char* newmod, int keytype);

	/* setKey
	 * change the searchkey associated with this pane */
	void setKey(const char* newkey);

	/* setSearch
	 * set the search parameters stored in the modkey for this pane */
	void setSearch(int type, const char* scope);

	/* getModkey
	 * gets the modkey associated with this pane */
	modkey getModkey();
};


#endif