connectionMgr/inc/displayStatus.h File Reference

control - application interface with the display manager More...

#include <glib.h>

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Defines
#define	LOWEST_LEVEL   0
#define	SELECTION_FOCUS_IN_LEVEL   1
#define	SELECTION_CLICKED_LEVEL   1
#define	TEXT_ENTRY_FOCUS_IN_LEVEL   1
#define	TEXT_ENTRY_CHANGED_LEVEL   1
#define	BUTTON_FOCUS_IN_LEVEL   1
#define	SELECTION_CHANGED_LEVEL   2
#define	SETTING_ITEM_CHANGE   3
#define	STATUS_ITEM_CHANGE   3
#define	SETUP_PAGE_LAYOUT_CHANGE   3
#define	ONE_BUTTON_ITEM_CLICKED_LEVEL   4
#define	SETUP_SCREEN_EXPOSE_LEVEL   4
#define	MAIN_WINDOW_EXPOSE_LEVEL   5
#define	KEYBOARD_SHOW_HIDE_LEVEL   6
#define	NO_DISPLAY_UPDATE_LEVEL   99
#define	WAVEFORM_FULLSCREEN   0
#define	WAVEFORM_BW   1
#define	WAVEFORM_TYPING   2
Functions
void	display_update_remove_idle_handler_id (void)
gboolean	display_update_request_screen_refresh (int level, int waveform)
void	display_update_increase_level (int level)
void	display_update_decrease_level (int level)
int	display_update_get_level (void)

---

Detailed Description

control - application interface with the display manager

connectionMgr - application interface with the display manager

Copyright (C) 2007 iRex Technologies BV.

<File description>="">

Copyright (C) 2007 iRex Technologies BV.

Definition in file displayStatus.h.

---

Define Documentation

#define BUTTON_FOCUS_IN_LEVEL   1

Definition at line 42 of file displayStatus.h.

#define KEYBOARD_SHOW_HIDE_LEVEL   6

Definition at line 55 of file displayStatus.h.

#define LOWEST_LEVEL   0

Definition at line 34 of file displayStatus.h.

#define MAIN_WINDOW_EXPOSE_LEVEL   5

Definition at line 53 of file displayStatus.h.

#define NO_DISPLAY_UPDATE_LEVEL   99

Definition at line 57 of file displayStatus.h.

#define ONE_BUTTON_ITEM_CLICKED_LEVEL   4

Definition at line 51 of file displayStatus.h.

#define SELECTION_CHANGED_LEVEL   2

Definition at line 44 of file displayStatus.h.

#define SELECTION_CLICKED_LEVEL   1

Definition at line 37 of file displayStatus.h.

#define SELECTION_FOCUS_IN_LEVEL   1

Definition at line 36 of file displayStatus.h.

#define SETTING_ITEM_CHANGE   3

Definition at line 46 of file displayStatus.h.

#define SETUP_PAGE_LAYOUT_CHANGE   3

Definition at line 48 of file displayStatus.h.

#define SETUP_SCREEN_EXPOSE_LEVEL   4

Definition at line 52 of file displayStatus.h.

#define STATUS_ITEM_CHANGE   3

Definition at line 47 of file displayStatus.h.

#define TEXT_ENTRY_CHANGED_LEVEL   1

Definition at line 40 of file displayStatus.h.

#define TEXT_ENTRY_FOCUS_IN_LEVEL   1

Definition at line 39 of file displayStatus.h.

#define WAVEFORM_BW   1

Definition at line 60 of file displayStatus.h.

#define WAVEFORM_FULLSCREEN   0

Definition at line 59 of file displayStatus.h.

#define WAVEFORM_TYPING   2

Definition at line 61 of file displayStatus.h.

---

Function Documentation

void display_update_decrease_level

(

int

level

)

Definition at line 190 of file displayStatus.c.

{
    CN_DMPRINTF("decrease from %d to %d", g_currentLevel, level);

    if (level < g_currentLevel)
    {
        g_currentLevel = level;
    }
}

int display_update_get_level

(

void

)

Definition at line 173 of file displayStatus.c.

{
    return g_currentLevel;
}

void display_update_increase_level

(

int

level

)

Increase/decrease the level value of the screen refresh. Meaning that the screen refresh will only be requested to the displayManager for levels equal or larger then this level value.

Parameters:

level

screen refresh level

Returns:

TRUE on success

Definition at line 179 of file displayStatus.c.

{
    CN_DMPRINTF("increase from %d to %d", g_currentLevel, level);

    if (level > g_currentLevel)
    {
        g_currentLevel = level;
    }
}

void display_update_remove_idle_handler_id

(

void

)

Definition at line 52 of file displayStatus.c.

{
    if (g_idle_hander_id)
    {
        CN_DMPRINTF("\nRemoving the old idle handler.\n");
        g_source_remove(g_idle_hander_id);
        g_idle_hander_id = 0;
    }
}

gboolean display_update_request_screen_refresh	(	int	level,
		int	waveform
	)

set address of gtk idle callback, where the e-inkt display update is requested

Parameters:

	level	- priority of this screen udpate request
	waveform	- requested e-ink waveform

Returns:

TRUE on success

Definition at line 150 of file displayStatus.c.

{
    CN_DMPRINTF("[%d] entry level %d currentlevel %d", 
            counter++, level, g_currentLevel);

    if (level >= g_currentLevel)
    {
        g_currentLevel = level + 1;

        if (waveform != 0)
        {
            CN_DMPRINTF("Special waveform request");
            level += waveform << 16;
        }

        display_update_remove_idle_handler_id();

        g_idle_hander_id = gtk_idle_add(display_update_during_idle_handling,
                                        (gpointer) level);
    }
    return TRUE;
}

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