notepad::CNotepadDoc Class Reference

#include <notepad_doc.h>

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Public Member Functions
	CNotepadDoc ()
	~CNotepadDoc ()
np_result	open (const gchar *filename)
np_result	create (const gchar *filename)
np_result	save_page (const int pageno, bool update_last_read=false)
np_result	rename (const gchar *filename)
void	close ()
int	get_num_pages ()
gchar *	get_full_filename ()
gchar *	get_filename_without_dir_and_ext ()
CFileStore *	getFileStore ()
gboolean	get_page_dirty ()
void	insert_page (const int pageno)
void	add_page (const int pageno)
void	delete_page (const int pageno)
void	clear_page (const int pageno)
gboolean	set_last_read (gint value)
gint	get_last_read (void)
void	on_scribble_begin (const int pageno, GCtx &gctx, GdkImage *image, CNPoint &apoint)
void	on_scribble_move (const int pageno, GCtx &gctx, GdkImage *image, CNPoint &apoint)
void	on_scribble_end (const int pageno, GCtx &gctx, GdkImage *image, CNPoint &apoint)
void	on_erase_begin (const int pageno, GCtx &gctx, GdkImage *image, CNPoint &apoint)
void	on_erase_move (const int pageno, GCtx &gctx, GdkImage *image, CNPoint &apoint)
void	on_erase_end (const int pageno, GCtx &gctx, GdkImage *image, CNPoint &apoint)
void	draw_scribble_page (const int pageno, GCtx &gctx, GdkImage *image)

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Detailed Description

Definition at line 40 of file notepad_doc.h.

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Constructor & Destructor Documentation

notepad::CNotepadDoc::CNotepadDoc

(

)

Definition at line 39 of file notepad_doc.cpp.

References erscribble_doc_disable_autodelete(), and erscribble_init().

        : doc(0)
        , page(0)
        , stroke(0)
        , dirty(FALSE)
        , file_store( new CFileStore() )
    {
        erscribble_init();
        erscribble_doc_disable_autodelete(TRUE);
    }

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notepad::CNotepadDoc::~CNotepadDoc

(

)

Definition at line 50 of file notepad_doc.cpp.

References erscribble_uninit().

    {
        erscribble_uninit();
        delete file_store;
    }

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Member Function Documentation

void notepad::CNotepadDoc::add_page

(

const int

pageno

)

Definition at line 222 of file notepad_doc.cpp.

References _ScbPage::attributes, erscribble_doc_add_page(), erscribble_page_copy_id(), erscribble_page_new(), _ScbPage::id, LOGPRINTF, _ScbPageStyle::orientation, and _ScbPageAttributes::style.

Referenced by notepad::CNotepadWindow::pageflip_or_create().

    {
        LOGPRINTF("Append Empty Page!!");

        page = 0; 
        page = erscribble_page_new();
        ScbPageId pid;
        generate_page_id(pid, pageno);
        erscribble_page_copy_id(&page->id, &pid);
        page->attributes.style.orientation = 0;
        erscribble_doc_add_page(doc, page);
        page = 0;
        stroke = 0;
        dirty = TRUE; // changes must be saved
    }

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void notepad::CNotepadDoc::clear_page

(

const int

pageno

)

Definition at line 265 of file notepad_doc.cpp.

References erscribble_doc_get_page(), erscribble_page_clear_strokes(), and LOGPRINTF.

Referenced by notepad::CNotepadWindow::delete_current_page_impl().

    {
        ScbPageId pid;
        generate_page_id(pid, pageno);
        ScbPagePtr thispage = erscribble_doc_get_page(doc, &pid);
        if (thispage == 0)
        {
            LOGPRINTF("no page to erase");
            return;
        }
        erscribble_page_clear_strokes(thispage);
        dirty = TRUE; // changes must be saved
    }

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void notepad::CNotepadDoc::close

(

)

Definition at line 140 of file notepad_doc.cpp.

References notepad::CFileStore::closeFile(), erscribble_doc_free(), and LOGPRINTF.

Referenced by notepad::CNotepadWindow::~CNotepadWindow().

    {
        LOGPRINTF("entry");

        if (doc)
        {
            erscribble_doc_free(doc);
            file_store->closeFile();
            doc = 0;
            memset(&path, 0, sizeof(path));
            page = 0;
            stroke = 0;
        }

        LOGPRINTF("exit");
    }

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np_result notepad::CNotepadDoc::create

(

const gchar *

filename

)

Definition at line 77 of file notepad_doc.cpp.

References notepad::CFileStore::createFile(), erscribble_doc_new_with_database(), notepad::CFileStore::getFile(), LOGPRINTF, notepad::NP_NO_DOCUMENT, and notepad::NP_OK.

Referenced by notepad::CNotepadWindow::init().

    {
        LOGPRINTF("entry filename='%s'", filename);

        g_assert(doc == 0);

        np_result result = file_store->createFile(filename);
        if (result == NP_OK)
        {
            doc = erscribble_doc_new_with_database(".", file_store->getFile());

            if (!doc) 
            { 
                result = NP_NO_DOCUMENT;
            }
        }
        LOGPRINTF("exit");
        return result;
    }

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void notepad::CNotepadDoc::delete_page

(

const int

pageno

)

Definition at line 254 of file notepad_doc.cpp.

References erscribble_doc_delete_page(), and LOGPRINTF.

Referenced by notepad::CNotepadWindow::delete_current_page_impl().

    {
        LOGPRINTF("Deleting page: %d", pageno);

        ScbPageId pid;
        generate_page_id(pid, pageno);
        erscribble_doc_delete_page(doc, &pid);
        page = 0; 
        stroke = 0;
    }

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void notepad::CNotepadDoc::draw_scribble_page	(	const int	pageno,
		GCtx &	gctx,
		GdkImage *	image
	)

Definition at line 607 of file notepad_doc.cpp.

References erscribble_doc_get_page(), erscribble_page_get_strokes(), _ScbPageId::id, notepad::ipc_sys_bg_busy(), LOGPRINTF, and _ScbStrokes::strokes.

Referenced by notepad::CNotepadPages::execRenderPage().

    {
        LOGPRINTF("entry");

        g_assert(image);

        // page from page id
        ScbPageId pid;
        generate_page_id(pid, pageno);

        ScbPagePtr thispage = erscribble_doc_get_page(doc, &pid);
        if (thispage == 0)
        {
            LOGPRINTF("page %s not found!", pid.id);
            return;
        }

        // drawing can take a while, dont let device go idle
        ipc_sys_bg_busy(TRUE);

        ScbStrokesPtr strokes = erscribble_page_get_strokes(thispage);

        if (strokes)
        {
            ScbStrokePtr stroke = NULL;
            GList *pstroke = g_list_first(strokes->strokes);
            while (pstroke)
            {
                stroke = (ScbStrokePtr)pstroke->data;
                if (stroke)
                {
                    draw_stroke(gctx, image, stroke);

                    // NOTE zoom not used in notepad, but if do transform with:
                    // float ratio = z / stroke->attributes.zoom;
                    // int x1 = (int)(ratio * pts[i].x); 
                    // and scale linesize with gctx.set_line_attributes(calc_line_size(stroke->attributes.size_id, gctx.realzoom, stroke->attributes.zoom));
                    // where linesize = (int)(penSize * strokeZoom / dispZoom);
                }
                pstroke = g_list_next(pstroke);
            }
        }

        ipc_sys_bg_busy(FALSE);

        LOGPRINTF("exit");
    }

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gchar * notepad::CNotepadDoc::get_filename_without_dir_and_ext

(

)

Definition at line 204 of file notepad_doc.cpp.

References notepad::CFileStore::getFileNameFilePartNoExt().

Referenced by notepad::CNotepadWindow::rename().

    {
        return file_store->getFileNameFilePartNoExt();  // caller takes ownership
    }

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gchar * notepad::CNotepadDoc::get_full_filename

(

)

Definition at line 199 of file notepad_doc.cpp.

References notepad::CFileStore::getFilename().

    {
        return file_store->getFilename();
    }

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gint notepad::CNotepadDoc::get_last_read

(

void

)

Definition at line 181 of file notepad_doc.cpp.

References notepad::CFileStore::get_last_read_location().

Referenced by notepad::CNotepadWindow::init().

    {
        if (doc)
        {
            return file_store->get_last_read_location();
        }
        return -1;
    }

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gint notepad::CNotepadDoc::get_num_pages

(

)

Definition at line 171 of file notepad_doc.cpp.

References erscribble_doc_get_pages().

Referenced by notepad::CNotepadWindow::delete_current_page_impl(), notepad::CNotepadWindow::goto_page(), notepad::CNotepadWindow::init(), notepad::CNotepadWindow::pageflip_or_create(), and notepad::CNotepadWindow::update_page_counter().

    {
        gint num_pages = 0;
        if (doc)
        {
            num_pages = g_list_length((erscribble_doc_get_pages(doc))->pages); 
        }
        return num_pages;
    }

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gboolean notepad::CNotepadDoc::get_page_dirty

(

)

Definition at line 97 of file notepad_doc.cpp.

Referenced by notepad::CNotepadWindow::save().

    {
        return dirty;
    }

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CFileStore * notepad::CNotepadDoc::getFileStore

(

)

Definition at line 209 of file notepad_doc.cpp.

Referenced by notepad::CNotepadWindow::getFilename(), notepad::CNotepadWindow::getLabel(), notepad::CNotepadWindow::quit(), and notepad::CNotepadWindow::save().

    {
        return file_store;
    }

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void notepad::CNotepadDoc::insert_page

(

const int

pageno

)

Definition at line 238 of file notepad_doc.cpp.

References _ScbPage::attributes, erscribble_doc_insert_page(), erscribble_page_copy_id(), erscribble_page_new(), _ScbPage::id, LOGPRINTF, _ScbPageStyle::orientation, and _ScbPageAttributes::style.

Referenced by notepad::CNotepadWindow::init(), and notepad::CNotepadWindow::insert_page().

    {
        LOGPRINTF("Insert Empty Page!!");

        page = 0; 
        page = erscribble_page_new();
        ScbPageId pid;
        generate_page_id(pid, pageno);
        erscribble_page_copy_id(&page->id, &pid);
        page->attributes.style.orientation = 0;
        erscribble_doc_insert_page(doc, page);
        page = 0;
        stroke = 0;
        dirty = TRUE; // changes must be saved
    }

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void notepad::CNotepadDoc::on_erase_begin	(	const int	pageno,
		GCtx &	gctx,
		GdkImage *	image,
		CNPoint &	apoint
	)

Definition at line 509 of file notepad_doc.cpp.

References erscribble_doc_get_page(), erscribble_page_erase_hit_test(), erscribble_page_erase_init(), erscribble_strokes_free(), LOGPRINTF, _ScbDevPoint::point, notepad::CNPoint::storageView(), and _ScbPageEraseCtx::zoom.

Referenced by notepad::CNotepadWindow::erase().

    {
        LOGPRINTF("entry");

        g_assert(image);

        if (pageno > 0)
        {

            ScbPageId pid;
            generate_page_id(pid, pageno);

            page = erscribble_doc_get_page(doc, &pid);
            if (page == 0)
            {
                return;
            }

            // prepare for erasing.
            erscribble_page_erase_init(&erase_context);

            ScbDevPoint point;
            point.point = apoint.storageView();
            erase_context.zoom = 100.0; //notused
            ScbStrokesPtr strokes = erscribble_page_erase_hit_test(page, &point, &erase_context);
            if (strokes)
            {
                LOGPRINTF("Erase strokes!");

                // draw 
                draw_erased_strokes(gctx, image, strokes);

                // free
                erscribble_strokes_free(strokes);

                dirty = TRUE; // changes must be saved
            }
        }
    }

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void notepad::CNotepadDoc::on_erase_end	(	const int	pageno,
		GCtx &	gctx,
		GdkImage *	image,
		CNPoint &	apoint
	)

Definition at line 580 of file notepad_doc.cpp.

References erscribble_page_erase_hit_test(), erscribble_strokes_free(), LOGPRINTF, _ScbDevPoint::point, and notepad::CNPoint::storageView().

Referenced by notepad::CNotepadWindow::erase().

    {
        g_assert(image);

        ScbDevPoint point;
        point.point = apoint.storageView();
        ScbStrokesPtr strokes = erscribble_page_erase_hit_test(page, &point, &erase_context);

        // reset
        page = 0;
        if (strokes) 
        {
            LOGPRINTF("Erase strokes!");
            //draw
            draw_erased_strokes(gctx, image, strokes);

            // free
            erscribble_strokes_free(strokes);

            dirty = TRUE; // changes must be saved
        }
    }

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void notepad::CNotepadDoc::on_erase_move	(	const int	pageno,
		GCtx &	gctx,
		GdkImage *	image,
		CNPoint &	apoint
	)

Definition at line 553 of file notepad_doc.cpp.

References erscribble_page_erase_hit_test(), erscribble_strokes_free(), LOGPRINTF, _ScbDevPoint::point, and notepad::CNPoint::storageView().

Referenced by notepad::CNotepadWindow::erase().

    {
        g_assert(image);

        ScbDevPoint point;
        point.point = apoint.storageView(); 

        //Note: Compares current point with existing lines, so crossings can be missed, 
        //      although comparing linesize is big (5)
        ScbStrokesPtr strokes = erscribble_page_erase_hit_test(page, &point, &erase_context);
        if (strokes)
        {
            LOGPRINTF("Erase strokes!");
            // draw
            draw_erased_strokes(gctx, image, strokes);

            // free 
            erscribble_strokes_free(strokes);

            dirty = TRUE; // changes must be saved
        }
    }

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void notepad::CNotepadDoc::on_scribble_begin	(	const int	pageno,
		GCtx &	gctx,
		GdkImage *	image,
		CNPoint &	apoint
	)

Definition at line 407 of file notepad_doc.cpp.

References _ScbStroke::attributes, _ScbPage::attributes, notepad::CNPoint::deviceView(), ERSCRIBBLE_DEV_COLOR_BLACK, erscribble_doc_get_current_stroke_attributes(), erscribble_doc_get_page(), erscribble_page_add_stroke(), erscribble_page_copy_id(), erscribble_page_new(), erscribble_stroke_add_point(), erscribble_stroke_driver_draw_point(), erscribble_stroke_new_with_attributes(), _ScbPageId::id, _ScbPage::id, notepad::ipc_get_pensize(), LOGPRINTF, _ScbPageStyle::orientation, _ScbDevPoint::point, _ScbDevPoint::pressure, notepad::CNPoint::storageView(), and _ScbPageAttributes::style.

Referenced by notepad::CNotepadWindow::scribble().

    {
        LOGPRINTF("entry");
        g_assert(image);

        if ((pageno > 0) && (page == 0) && (stroke == 0))
        {
            ScbPageId pid;
            generate_page_id(pid, pageno);

            // check page
            page = erscribble_doc_get_page(doc, &pid);
            if (page == 0)
            {
                // does not exist, needs to create a new one
                page = erscribble_page_new();
                erscribble_page_copy_id(&page->id, &pid);
                page->attributes.style.orientation = 0; // portrait, no orientation stored by Notepad app.
                LOGPRINTF("created new page %s", pid.id);
            }

            // check stroke
            if (stroke == 0)
            {
                stroke = erscribble_stroke_new_with_attributes(erscribble_doc_get_current_stroke_attributes(doc));
                stroke->attributes.zoom = 100.0; //notused
                stroke->attributes.size_id = ipc_get_pensize(); // pen_size from gconf
                stroke->attributes.color = ERSCRIBBLE_DEV_COLOR_BLACK;
                erscribble_page_add_stroke(page, stroke);
                LOGPRINTF("Created new stroke");
            }

            // Add to drawing
            ScbDevPoint point;
            point.point = apoint.storageView();
            point.pressure = 0;
            erscribble_stroke_add_point(stroke, &point);

            // draw in display
            point.point = apoint.deviceView();
            erscribble_stroke_driver_draw_point(stroke, &point, FALSE);
        }
    }

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void notepad::CNotepadDoc::on_scribble_end	(	const int	pageno,
		GCtx &	gctx,
		GdkImage *	image,
		CNPoint &	apoint
	)

Definition at line 475 of file notepad_doc.cpp.

References notepad::CNPoint::deviceView(), erscribble_doc_add_page(), erscribble_stroke_add_point(), erscribble_stroke_driver_draw_point(), LOGPRINTF, _ScbDevPoint::point, and notepad::CNPoint::storageView().

Referenced by notepad::CNotepadWindow::scribble().

    {
        LOGPRINTF("End stroke!");

        g_assert(image);

        if ( (pageno > 0) && stroke && doc && page)
        {
            // add to drawing
            ScbDevPoint point;
            point.point = apoint.storageView();
            erscribble_stroke_add_point(stroke, &point);

            // draw on display
            point.point = apoint.deviceView();
            erscribble_stroke_driver_draw_point(stroke, &point, TRUE);

            // also update gtk drawing to let lines stay after local display update
            // because then only the damaged area is redrawn.
            // point data
            draw_stroke(gctx, image, stroke);

            // add & reset
            erscribble_doc_add_page(doc, page);
            page = 0; 
            stroke = 0;
        }
        dirty = TRUE; // changes must be saved
    }

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void notepad::CNotepadDoc::on_scribble_move	(	const int	pageno,
		GCtx &	gctx,
		GdkImage *	image,
		CNPoint &	apoint
	)

Definition at line 455 of file notepad_doc.cpp.

References notepad::CNPoint::deviceView(), erscribble_stroke_add_point(), erscribble_stroke_driver_draw_point(), _ScbDevPoint::point, and notepad::CNPoint::storageView().

Referenced by notepad::CNotepadWindow::scribble().

    {
        g_assert(image);

        if (stroke)
        {
            // Add to drawing
            ScbDevPoint point;
            point.point = apoint.storageView();
            erscribble_stroke_add_point(stroke, &point);

            point.point = apoint.deviceView();
            erscribble_stroke_driver_draw_point(stroke, &point, FALSE);
        }
    }

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np_result notepad::CNotepadDoc::open

(

const gchar *

filename

)

Definition at line 56 of file notepad_doc.cpp.

References erscribble_doc_open_with_database(), notepad::CFileStore::getFile(), LOGPRINTF, notepad::NP_NO_DOCUMENT, notepad::NP_OK, and notepad::CFileStore::openFile().

Referenced by notepad::CNotepadWindow::init().

    {
        LOGPRINTF("entry");

        g_assert(doc == 0);

        np_result result = file_store->openFile(filename);
        if (result == NP_OK)
        {
            doc = erscribble_doc_open_with_database(".", file_store->getFile());

            if (!doc)
            {
                result = NP_NO_DOCUMENT;
            }
        }

        LOGPRINTF("exit");
        return result;
    }

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np_result notepad::CNotepadDoc::rename

(

const gchar *

filename

)

Definition at line 157 of file notepad_doc.cpp.

References notepad::CFileStore::getFilename(), notepad::CFileStore::getFileNameFilePartNoExt(), notepad::ipc_change_filename(), LOGPRINTF, notepad::NP_NO_FILENAME, and notepad::CFileStore::renameFile().

    {
        LOGPRINTF("entry");
        g_return_val_if_fail( (new_shortfilename != 0) && (new_shortfilename[0] != '\0'), NP_NO_FILENAME);

        np_result result = file_store->renameFile(new_shortfilename);
        gchar* my_filename = file_store->getFileNameFilePartNoExt();
        ipc_change_filename(file_store->getFilename(), my_filename);
        g_free(my_filename);

        LOGPRINTF("exit");
        return result; 
    }

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np_result notepad::CNotepadDoc::save_page	(	const int	pageno,
		bool	update_last_read = false
	)

Definition at line 102 of file notepad_doc.cpp.

References ER_OK, erscribble_doc_get_page(), erscribble_doc_save_page(), LOGPRINTF, notepad::NP_NO_DOCUMENT, notepad::NP_OK, notepad::NP_SAVE_FAILED, and set_last_read().

Referenced by notepad::CNotepadWindow::save().

    {
        LOGPRINTF("entry");
        g_return_val_if_fail(doc != 0, NP_NO_DOCUMENT);

        if (dirty == FALSE)
        {
            LOGPRINTF("exit No changes to save");
            return NP_OK;
        }

        ScbPageId pid;
        generate_page_id(pid, pageno);
        ScbPagePtr thispage = erscribble_doc_get_page(doc, &pid);
        if (NULL == thispage)
        {
            LOGPRINTF("exit No page");
            return NP_OK; // no pages yet
        }
        if (ER_OK != erscribble_doc_save_page(doc, thispage)) 
        {
            LOGPRINTF("exit Saving page failed");
            return NP_SAVE_FAILED;
        }

        if ( update_last_read )
        {
            (void) set_last_read(pageno);
        }

        //TODO size and date are not updated in global.db here

        dirty = FALSE; // changes are saved

        LOGPRINTF("exit");
        return NP_OK;
    }

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gboolean notepad::CNotepadDoc::set_last_read

(

gint

value

)

Definition at line 190 of file notepad_doc.cpp.

References notepad::CFileStore::set_last_read_location().

Referenced by save_page(), and notepad::CNotepadWindow::~CNotepadWindow().

    {
        if (doc)
        {
            return file_store->set_last_read_location(value);
        }
        return FALSE;
    }

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The documentation for this class was generated from the following files:

• notepad_doc.h
• notepad_doc.cpp