pixlist.c File Reference

#include <gtk/gtk.h>
#include <string.h>
#include <libergtk/ergtk.h>
#include "log.h"
#include "pixlist.h"

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Defines
#define	LOGGING_ON   0
Functions
gint	compareString (gconstpointer a, gconstpointer b)
static GdkPixbuf *	load_icon (const gchar *filename)
GdkPixbuf *	pixlist_icon_state (const char *icon, const char *state)
GdkPixbuf *	pixlist_toolbar_icon (const char *name, const char *state)
Variables
static GTree *	g_icon_cache = NULL

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Define Documentation

#define LOGGING_ON   0

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

Note: possibly could have used reference count of gobject instead

Definition at line 33 of file pixlist.c.

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Function Documentation

gint compareString	(	gconstpointer	a,
		gconstpointer	b
	)

Definition at line 47 of file pixlist.c.

                                                     {
    return strcmp((const gchar*)a, (const gchar*)b);
}

static GdkPixbuf* load_icon

(

const gchar *

filename

)

[static]

Definition at line 51 of file pixlist.c.

References compareString(), g_icon_cache, and LOGPRINTF.

Referenced by pixlist_icon_state(), and pixlist_toolbar_icon().

{
    if (g_icon_cache == NULL) g_icon_cache = g_tree_new(compareString);

    gpointer cache = g_tree_lookup(g_icon_cache, filename);
    if (cache) return (GdkPixbuf *)cache;

    GError *err = NULL;
    GdkPixbuf *icon = gdk_pixbuf_new_from_file(filename, &err);
    if (icon) {
        g_tree_insert(g_icon_cache, g_strdup(filename), icon);
    } else  {
        LOGPRINTF("cannot load iconfile [%s] error [%s]", filename, err->message);
        g_clear_error(&err);
    }
    return icon;
}

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GdkPixbuf* pixlist_icon_state	(	const char *	icon,
		const char *	state
	)

Definition at line 70 of file pixlist.c.

References load_icon(), LOGPRINTF, and PATH_IMG.

Referenced by add_popup_submenu(), get_pixbuf(), menustore_add_group(), menustore_add_item(), statusbar_add_item(), and statusbar_add_item_state().

{
    LOGPRINTF("entry %s, %s", icon, state);
    
    if ((icon == NULL) || (icon[0] == '\0'))
    {
        // no icon name so don't bother to load/ref image
        return NULL;
    }

    gchar *iconfile = NULL;
    gchar *fileext = g_utf8_strrchr(icon, strlen(icon), '.');
    if (fileext == NULL)
    {
        // name is not a filename or path 
        // prefix with path and postfix with state and file extension
        if (state && (strcmp(state, "normal") == 0))
        {
            iconfile = g_strdup_printf("%s%s.png", PATH_IMG, icon);
        }
        else
        {
            iconfile = g_strdup_printf("%s%s_%s.png", PATH_IMG, icon, state);
        }
    }
    else
    {
        gchar *strcopy = g_strdup(icon);
        gchar *filepath = g_utf8_strrchr(strcopy, strlen(strcopy), '.');
        *filepath = '\0';
        
        // icon is a full path
        // postfix with state only
        if (strcmp(state, "normal") ==0)
        {
            iconfile = g_strdup_printf("%s%s", strcopy, fileext);
        }
        else
        {
            iconfile = g_strdup_printf("%s_%s%s", strcopy, state, fileext);
        }
        g_free(strcopy);
    }
        
    GdkPixbuf* pixbuf = load_icon(iconfile);
    g_free(iconfile);
    return pixbuf;
}

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GdkPixbuf* pixlist_toolbar_icon	(	const char *	name,
		const char *	state
	)

Definition at line 120 of file pixlist.c.

References filename, load_icon(), PATH_IMG, and WARNPRINTF.

{
    GdkPixbuf* icon = NULL;
    if (name != NULL && name[0] != 0) {
        static char filename[256];
        snprintf(filename, sizeof(filename), "%stoolbar_%s_%s.png", PATH_IMG, name, state);
        icon = load_icon(filename);
        if (icon == NULL) {
            WARNPRINTF("cannot find icon %s", filename);
        }
    }
    if (icon == NULL) {
        icon = load_icon(PATH_IMG"toolbar_blank.png");
    }
    return icon;
}

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Variable Documentation

GTree* g_icon_cache = NULL [static]

Definition at line 45 of file pixlist.c.

Referenced by load_icon().