erbrowser/src/toolbar.h File Reference

browser - toolbar interaction with browser application More...

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Defines
#define	MAX_ZOOM_IN   (2.0)
#define	MAX_ZOOM_OUT   (0.6)
#define	ZOOM_STEPSIZE   (0.1)
Functions
void	toolbar_key_selected (int iconID, int iconState, Ereader *browser)
void	toolbar_init (void)

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Detailed Description

browser - toolbar interaction with browser application

<File description>="">

Definition in file toolbar.h.

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Define Documentation

#define MAX_ZOOM_IN   (2.0)

Definition at line 34 of file toolbar.h.

#define MAX_ZOOM_OUT   (0.6)

Definition at line 35 of file toolbar.h.

#define ZOOM_STEPSIZE   (0.1)

Definition at line 36 of file toolbar.h.

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Function Documentation

void toolbar_init

(

void

)

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

Returns:

void

Definition at line 47 of file toolbar.cpp.

{
    int     returnValue;

    // TODO: check this function, it seems broken...
    // MvdW, 2006-03-13

    BR_IPCPRINTF("entry");

    // create/init the channel to communicate with the toolbar service
    returnValue = erIpcStartClient(ER_TOOLBAR_CHANNEL, &toolbarChannel);

    if (returnValue != 0)
    {
        BR_WARNPRINTF("erIpcStartClient returned %d", returnValue);
        return;
    }

    // tell toolbar which icons set to display
    tbSelectIconSet(toolbarChannel, ER_XHTML_VIEWER_UA_ID);
    
    // clear the toolbar
    tbClearIconSet(toolbarChannel, ER_XHTML_VIEWER_UA_ID);

    // add the zoom/unzoom icon to the toolbar
    tbAppendPlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, iconID_fontlarger,  ccVwrToolbar);
    tbAppendPlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, iconID_fontsmaller, ccVwrToolbar);
    //tbAppendPlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, ER_IC_JUMP_TO_PAGE);
    //tbAppendPlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, ER_IC_JUMP_TO_PAGE);
    //tbAppendPlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, ER_IC_JUMP_TO_PAGE);
    
    // In the browser, the keyboard is enabled
    tbSetStatePlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, iconID_keyboard, iconState_normal);

}

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void toolbar_key_selected	(	int	iconID,
		int	iconState,
		Ereader *	browser
	)

Outdated: replaced by e_iconID_t in eripctoolbar.h ** typedef enum { sigVwrIgnoreThisCommand = 0, sigVwrBookmarkPage, sigVwrInvokeFindDialog, sigVwrZoomIn, sigVwrZoomOut, sigVwrStoreSelection, sigVwrUndefined } eSigVwr; Outdated A key is selected on the toolbar

Parameters:

	command	the command associated with the selected key
	Ereader	datastructure containing the "mozembed" reference

Returns:

-

case ccVwrInvokeFindDialog: BR_IPCPRINTF("INVOKE FIND DIALOG"); browser_find_dialog_create(browser); break;

Definition at line 84 of file toolbar.cpp.

{
    float   zoomSize;
    gint    offset;

    BR_IPCPRINTF("iconID %d - iconState %d - browser 0x%x \n", iconID, iconState, browser);
    
    // Busy indication when a toolbar icon is clicked
    erbusy_blink();

    switch (iconID)
    {
        case iconID_fontlarger:
            zoomSize = browser_settings_get_zoom_factor();
            BR_IPCPRINTF("ZOOM IN %f + 0,1", zoomSize);
            zoomSize = zoomSize + ZOOM_STEPSIZE;

            if (zoomSize <= MAX_ZOOM_IN)
            {
                if (zoomSize + ZOOM_STEPSIZE > MAX_ZOOM_IN)
                {
                    tbSetStatePlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, iconID_fontlarger, iconState_grey);
                }
                tbSetStatePlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, iconID_fontsmaller, iconState_normal);

                mozilla_zoom(GTK_MOZ_EMBED(browser->mozEmbed), zoomSize);
                
                // Pagebar offset needs to be updated after fontchange
                offset = mozilla_determine_page_offset(GTK_MOZ_EMBED(browser->mozEmbed));
                pagebar_set_offset(offset);
                pagebar_redraw();
                
                display_update_request_screen_refresh(MOZEMBED_UPDATE_LEVEL, NULL);
                browser_settings_set_zoom_factor(zoomSize);
            }
            else
            {
                BR_IPCPRINTF("new zoom size %f > %f", zoomSize, MAX_ZOOM_IN);
                erbusy_off(); // No longer busy
            }
            break;

        case iconID_fontsmaller:
            zoomSize = browser_settings_get_zoom_factor();
            BR_IPCPRINTF("ZOOM OUT %f - 0,1", zoomSize);
            zoomSize = zoomSize - ZOOM_STEPSIZE;

            if (zoomSize > MAX_ZOOM_OUT)
            {
                if (zoomSize - ZOOM_STEPSIZE <= MAX_ZOOM_OUT)
                {
                    tbSetStatePlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, iconID_fontsmaller, iconState_grey);
                }
                tbSetStatePlatformIcon(toolbarChannel, ER_XHTML_VIEWER_UA_ID, iconID_fontlarger, iconState_normal);

                mozilla_zoom(GTK_MOZ_EMBED(browser->mozEmbed), zoomSize);
                if (mozilla_scrollable(pageDown_t, GTK_MOZ_EMBED(browser->mozEmbed)) == false)
                {
                   // We are at the end of the page. Testing if scrolling down restores
                   // normal view --> at the end of document instead of showing black screen
                   mozilla_scroll(1, GTK_MOZ_EMBED(browser->mozEmbed));
                }
                
                // Pagebar offset needs to be updated after fontchange
                offset = mozilla_determine_page_offset(GTK_MOZ_EMBED(browser->mozEmbed));
                pagebar_set_offset(offset);
                pagebar_redraw();
                
                display_update_request_screen_refresh(MOZEMBED_UPDATE_LEVEL, NULL);
                browser_settings_set_zoom_factor(zoomSize);
            }
            else
            {
                BR_IPCPRINTF("new zoom size %f < %f", zoomSize, MAX_ZOOM_OUT);
                erbusy_off();  // No longer busy
            }
            break;

        default:
            BR_IPCPRINTF("Unknown iconID [%d]", iconID);
            erbusy_off();  // No longer busy
            break;
    }

    return;
}

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