scribble/inc/ScribbleIPC.h File Reference

scribble - IPC communication More...

#include <gtk/gtk.h>
#include "ScribbleDefine.h"
#include "ScribbleUtils.h"

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Go to the source code of this file.

Defines
#define	SCRIB_SERVER_BUFFER_SIZE   (1024)
Enumerations
enum	OPERATION_MODE {   MODE_DRAW = 0, MODE_SELSIZE = 1, MODE_SELCOLOR = 2, MODE_ERASE = 3,   MODE_DELPAGE = 4, MODE_INVALID = 5 }
Functions
gboolean	installIpcServer (PScribbleUICtx pScribbleUICtx)
void	stopIpcServer (void)
void	pagebar_init ()
void	pagebar_goto_page (int page)
void	pagebar_set_pagecount (int count)
void	pagebar_redraw ()
void	toolbar_init (void)
void	toolbar_key_selected (int iconID, int iconState, PScribbleUICtx pScribbleUICtx)
OPERATION_MODE	getOperationMode ()
void	setOperationMode (OPERATION_MODE iOpMode)
HW_COLOR	getPenColor ()
void	setPenColor (HW_COLOR iHwColor)
PEN_SIZE	getPenSize ()
void	setPenSize (PEN_SIZE iPenSize)
gboolean	toolbar_is_waitconfirmdel ()
void	toolbar_confirm_delpage ()
gboolean	toolbar_is_erasing ()
gboolean	toolbar_is_drawing ()
void	toolbar_clearall ()
void	toolbar_firstinit (int iTotalPage)
void	toolbar_reinit (int iTotalPage)

---

Detailed Description

scribble - IPC communication

Copyright (C) 2005-2008 iRex Technologies B.V. All rights reserved.

Author:

Jian Shen

<File description>="">

Definition in file ScribbleIPC.h.

---

Define Documentation

#define SCRIB_SERVER_BUFFER_SIZE   (1024)

Definition at line 40 of file ScribbleIPC.h.

---

Enumeration Type Documentation

enum OPERATION_MODE

Enumerator:

MODE_DRAW
MODE_SELSIZE
MODE_SELCOLOR
MODE_ERASE
MODE_DELPAGE
MODE_INVALID

Definition at line 100 of file ScribbleIPC.h.

             {
    MODE_DRAW=0,  
    MODE_SELSIZE=1,//when selecting the pen size
    MODE_SELCOLOR=2,//when selecting the color
    MODE_ERASE=3,
    MODE_DELPAGE=4,//when wanna deleting pages
    MODE_INVALID=5,//initially,invalid
}OPERATION_MODE;

---

Function Documentation

OPERATION_MODE getOperationMode

(

)

Definition at line 56 of file toolbar.c.

{
    return s_OperationMode;
}

HW_COLOR getPenColor

(

)

Definition at line 68 of file toolbar.c.

{
    return s_PenColor;
}

PEN_SIZE getPenSize

(

)

Definition at line 80 of file toolbar.c.

{
    return m_PenSize;
}

gboolean installIpcServer

(

PScribbleUICtx

pScribbleUICtx

)

Start listening to IPC requests

Parameters:

PScribbleUICtx

scribble ui context

Returns:

-

Definition at line 88 of file IPCServer.c.

{
    int     iRet = 0;
    int     fd = -1;

    SB_IPCPRINTF("__start__\n");
    iRet = erIpcOpenServerChannel(ER_SCRIBBLE_CHANNEL,
                                  &srvChannel);
    if (iRet != 0)
    {
        SB_ERRORPRINTF("erIpcOpenServerChannel returned %d\n", iRet);
        return iRet;
    }
    fd = erIpcGetServerFd(srvChannel);
    // gtk specific mechanism to monitor input file descriptor.
    srvInputTag = gdk_input_add(fd, GDK_INPUT_READ, 
                                ipcMessageReceived, (gpointer) pScribbleUICtx);
    SB_IPCPRINTF("__finish__\n");
    return iRet;
}

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void pagebar_goto_page

(

int

page

)

Request from scribble to goto page

Parameters:

page

- page to go to

Returns:

-

Definition at line 55 of file pagebar.c.

{
    SB_PAGEBARPRINTF("entry %d\n", page);
    pbSetCurrentPage(erPagebarChannel, ER_SCRIBBLE_UA_ID, page);
}

void pagebar_init

(

)

Open communication channel with pageBar deamon counts on the fact that pageBar is running

Returns:

void

Definition at line 41 of file pagebar.c.

{
    int iRet=-1;
    SB_PAGEBARPRINTF("entry\n");
    iRet=erIpcStartClient(ER_PAGEBAR_CHANNEL, &erPagebarChannel);
    if (iRet != 0)
    {
        SB_ERRORPRINTF("erIpcStartClient returned %d\n", iRet);
        return;
    }
    pbReset(erPagebarChannel, ER_SCRIBBLE_UA_ID);
}

void pagebar_redraw

(

)

Request from contentLister to redraw pagebar

Parameters:

-

Returns:

-

Definition at line 69 of file pagebar.c.

{
    SB_PAGEBARPRINTF("redraw\n");
    pbRedraw(erPagebarChannel, ER_SCRIBBLE_UA_ID);
}

void pagebar_set_pagecount

(

int

count

)

Request from browser to set number of pages

Parameters:

count

- number of pages in current view

Returns:

-

Definition at line 62 of file pagebar.c.

{
    SB_PAGEBARPRINTF("entry %d\n", count);
    pbSetPageCount(erPagebarChannel, ER_SCRIBBLE_UA_ID, count);
}

void setOperationMode

(

OPERATION_MODE

iOpMode

)

Definition at line 60 of file toolbar.c.

{
    s_OperationMode=iOpMode;
}

void setPenColor

(

HW_COLOR

iHwColor

)

Definition at line 73 of file toolbar.c.

{
    s_PenColor=iHwColor;
}

void setPenSize

(

PEN_SIZE

iPenSize

)

Definition at line 84 of file toolbar.c.

{
    m_PenSize=iPenSize;
}

void stopIpcServer

(

void

)

Stop listening to IPC requests

Returns:

-

Definition at line 110 of file IPCServer.c.

{
    int fd = erIpcGetServerFd(srvChannel);

    SB_IPCPRINTF("__start__\n");
    gdk_input_remove(srvInputTag);
    close(fd);
    SB_IPCPRINTF("__finish__\n");
}

void toolbar_clearall

(

)

Definition at line 342 of file toolbar.c.

{
    tbClearIconSet(toolbarChannel, ER_SCRIBBLE_UA_ID);
}

void toolbar_confirm_delpage

(

)

Definition at line 226 of file toolbar.c.

{
    ispagedel_confirmed=TRUE;
}

void toolbar_firstinit

(

int

iTotalPage

)

Definition at line 348 of file toolbar.c.

{
    setOperationMode(MODE_DRAW);
    drawIconsByMode(iTotalPage);
}

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void toolbar_init

(

void

)

Init toolbar (open communication channel and enable/set the correct icons)

Returns:

void

Definition at line 365 of file toolbar.c.

{
    int     returnValue;

    SB_IPCPRINTF("\n\n\nentry,ER_TOOLBAR_CHANNEL=%d\n\n",
                 ER_TOOLBAR_CHANNEL);
    toolbarChannel=NULL;
    // create/init channel to communicate with the toolbar service
    returnValue = erIpcStartClient(ER_TOOLBAR_CHANNEL, &toolbarChannel);
    if (returnValue != 0)
    {
        SB_ERRORPRINTF("erIpcStartClient returned %d\n", returnValue);
        return;
    }
    // tell toolbar which icons set to display
    tbSelectIconSet(toolbarChannel, ER_SCRIBBLE_UA_ID);
}

gboolean toolbar_is_drawing

(

)

Definition at line 238 of file toolbar.c.

{
    return(    MODE_DRAW     ==s_OperationMode 
            || MODE_SELSIZE  ==s_OperationMode
            || MODE_SELCOLOR ==s_OperationMode);
}

gboolean toolbar_is_erasing

(

)

Definition at line 232 of file toolbar.c.

{
    return (MODE_ERASE== s_OperationMode);
}

gboolean toolbar_is_waitconfirmdel

(

)

Definition at line 219 of file toolbar.c.

{
    return ( MODE_DELPAGE==s_OperationMode );
}

void toolbar_key_selected	(	int	iconID,
		int	iconState,
		PScribbleUICtx	pScribbleUICtx
	)

A key is selected on the toolbar

Parameters:

	command	the command associated with the selected key
	PScribbleUICtx	scribble ui context

Returns:

-

Definition at line 383 of file toolbar.c.

{
    if( iconState_grey==iconState )
    {
        return;//donothing.
    }
    
    SB_IPCPRINTF("\n====iconID=%d[mode=%d,pensize=%d,color=%d]\n",
                 iconID,getOperationMode(),getPenSize(),getPenColor());
  
    gboolean bNeedFlushWithFullQlt=FALSE;
    //need full update when return from erase mode.
    if( getOperationMode()== MODE_ERASE)
    {
        //every erase stroke ,we do it, so it's useless
        //core_redrawBgAndStrks(pScribbleUICtx);
        bNeedFlushWithFullQlt=TRUE;
    }           
    //we should add deal to pageup/pagedown
    switch (iconID)
    {
        case iconID_pen:
            //we switch by whether or not user is drawing
            if( !toolbar_is_drawing() ) 
            {
                setOperationMode(MODE_DRAW);
            }
            else 
            {
                setOperationMode(MODE_INVALID);
            } 
            break;
        case iconID_pen1pixel:
        case iconID_pen3pixel:
        case iconID_pen5pixel:
        case iconID_pen7pixel:
            //enter select mode
            setOperationMode(MODE_SELSIZE);
            break;
        case iconID_pen1pixelLow:
        case iconID_pen3pixelLow:
        case iconID_pen5pixelLow:
        case iconID_pen7pixelLow:
            //confirm the select                
            setPenSize(getPenSizefromIcon(iconID));
            setOperationMode(MODE_DRAW);
            break;
        case iconID_penwhite://WHITE
        case iconID_penlightgrey://LIGHT_GRAY
        case iconID_pendarkgrey://DARK_GRAY
        case iconID_penblack://BLACK
            //enter select mode
            setOperationMode(MODE_SELCOLOR);
            break;
        case iconID_penwhiteLow://WHITE
        case iconID_penlightgreyLow://LIGHT_GRAY
        case iconID_pendarkgreyLow://DARK_GRAY
        case iconID_penblackLow://BLACK
            //confirm the select                
            setPenColor(getPenColorfromIcon(iconID));
            setOperationMode(MODE_DRAW);
            break;
        case iconID_eraseline:
            if( MODE_ERASE==getOperationMode())
            {
                setOperationMode(MODE_DRAW);
            }
            else
            {
                setOperationMode(MODE_ERASE);
            }             
            break;
        case iconID_trashcan://delete page
            if(MODE_DELPAGE==getOperationMode())
            {                
                setOperationMode(MODE_DRAW);
                if(ispagedel_confirmed)
                {
                            //delete page
                    delOnepage(pScribbleUICtx);   
                    ispagedel_confirmed=FALSE;                    
                    return;//tool bar will be updated when jumping
                }  
                ispagedel_confirmed=FALSE;                  
            }
            else
            {
                SB_IPCPRINTF("enter MODE_DELPAGE\n");
                setOperationMode(MODE_DELPAGE);
                ispagedel_confirmed=FALSE;
            }
            break;
        case iconID_npage:
            addOnepage(pScribbleUICtx);
            return;//tool bar will be updated when jumping
        default:
            SB_IPCPRINTF("Unknown iconID [%d]\n", iconID);
            return;
    }
    
    drawIconsByMode(getTotalPage(&pScribbleUICtx->fileManager));
    //flush the pixmap to gdk_buffer,but now every stroke is flush,so it's useless.
    //flushPixMap(pScribbleUICtx);
    if(bNeedFlushWithFullQlt)
    {
        display_update_request_screen_refresh
                (MAIN_WINDOW_EXPOSE_LEVEL,(gpointer)dmQFull);
    }
    else
    {
        display_update_request_screen_refresh
                (MAIN_WINDOW_EXPOSE_LEVEL,(gpointer)dmQTyping);
    }
    SB_IPCPRINTF("\n===end===[mode=%d,pensize=%d,color=%d]\n",
                 getOperationMode(),getPenSize(),getPenColor());
    return;
}

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void toolbar_reinit

(

int

iTotalPage

)

Definition at line 355 of file toolbar.c.

{
    //change the current mode only if current is mode_draw or erase.
    if( MODE_DELPAGE==getOperationMode() )
    {
        setOperationMode(MODE_DRAW);
    }
    drawIconsByMode(iTotalPage);
}

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