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netsurf/gtk/gtk_theme.c
John Mark Bell 83944723c0 Now that theme_install owns hlcache handle, ensure we clean it up. 
Additionally, complete port from struct content to hlcache_handle.

svn path=/trunk/netsurf/; revision=10378
2010-04-11 23:08:54 +00:00

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/*
* Copyright 2009 Mark Benjamin <netsurf-browser.org.MarkBenjamin@dfgh.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include "content/content.h"
#include "content/content_type.h"
#include "content/hlcache.h"
#include "gtk/gtk_gui.h"
#include "gtk/gtk_scaffolding.h"
#include "gtk/gtk_menu.h"
#include "gtk/gtk_theme.h"
#include "gtk/gtk_window.h"
#include "gtk/options.h"
#include "gtk/dialogs/gtk_options.h"
#include "utils/container.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
enum image_sets {
IMAGE_SET_MAIN_MENU = 0,
IMAGE_SET_RCLICK_MENU,
IMAGE_SET_POPUP_MENU,
IMAGE_SET_BUTTONS,
IMAGE_SET_COUNT
};
struct nsgtk_theme_cache {
GdkPixbuf *image[PLACEHOLDER_BUTTON];
GdkPixbuf *searchimage[SEARCH_BUTTONS_COUNT];
/* apng throbber image */
};
static char *current_theme_name = NULL;
static struct nsgtk_theme_cache *theme_cache_menu = NULL;
static struct nsgtk_theme_cache *theme_cache_toolbar = NULL;
static struct nsgtk_theme *nsgtk_theme_default(GtkIconSize s);
static GtkImage *nsgtk_theme_image_default(nsgtk_toolbar_button i,
GtkIconSize s);
static bool nsgtk_theme_verify(const char *themename);
static void nsgtk_theme_cache_image(nsgtk_toolbar_button i,
const char *filename, const char *path);
static void nsgtk_theme_cache_searchimage(nsgtk_search_buttons i,
const char *filename, const char *path);
#ifdef WITH_THEME_INSTALL
static nserror theme_install_callback(hlcache_handle *c,
const hlcache_event *event, void *pw);
static bool theme_install_read(const char *data, unsigned long len);
#endif
/**
* called during gui init phase to retrieve theme name from file then
* implement
*/
void nsgtk_theme_init(void)
{
size_t len;
if (option_current_theme == 0)
return;
len = SLEN("themelist") + strlen(res_dir_location) + 1;
char themefile[len];
snprintf(themefile, len, "%s%s", res_dir_location, "themelist");
nsgtk_scaffolding *list = scaf_list;
nsgtk_theme_verify(NULL);
FILE *fp = fopen(themefile, "r");
if (fp == NULL)
return;
char buf[50];
int row_count = 0;
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (buf[0] == '\0')
continue;
if (row_count++ == option_current_theme) {
if (current_theme_name != NULL)
free(current_theme_name);
/* clear the '\n' ["\n\0"->"\0\0"] */
buf[strlen(buf) - 1] = '\0';
current_theme_name = strdup(buf);
break;
}
}
fclose(fp);
while (list != NULL) {
nsgtk_theme_implement(list);
list = nsgtk_scaffolding_iterate(list);
}
}
/**
* return reference to static global current_theme_name; caller then has
* responsibility for global reference
*/
char *nsgtk_theme_name(void)
{
return current_theme_name;
}
/**
* set static global current_theme_name from param; caller is responsible
* for the integrity of the global reference
*/
void nsgtk_theme_set_name(char *name)
{
current_theme_name = name;
}
/**
* adds a theme name to the list of themes
*/
void nsgtk_theme_add(const char *themename)
{
size_t len;
GtkWidget *notification, *label;
len = SLEN("themelist") + strlen(res_dir_location) + 1;
char themefile[len];
snprintf(themefile, len, "%s%s", res_dir_location, "themelist");
/* conduct verification here; no adding duplicates to list */
if (nsgtk_theme_verify(themename) == false) {
warn_user(messages_get("gtkThemeDup"), 0);
return;
}
FILE *fp = fopen(themefile, "a");
if (fp == NULL) {
warn_user(messages_get("gtkFileError"), themefile);
return;
}
fprintf(fp, "%s\n", themename);
fclose(fp);
/* notification that theme was added successfully */
notification = gtk_dialog_new_with_buttons(messages_get("gtkThemeAdd"),
NULL, GTK_DIALOG_DESTROY_WITH_PARENT, GTK_STOCK_OK,
GTK_RESPONSE_NONE, NULL);
if (notification == NULL) {
warn_user(messages_get("NoMemory"), 0);
return;
}
len = SLEN("\t\t\t\t\t\t") + strlen(messages_get("gtkThemeAdd")) + 1;
char labelcontent[len];
snprintf(labelcontent, len, "\t\t\t%s\t\t\t",
messages_get("gtkThemeAdd"));
label = gtk_label_new(labelcontent);
if (label == NULL) {
warn_user(messages_get("NoMemory"), 0);
return;
}
g_signal_connect_swapped(notification, "response",
G_CALLBACK(gtk_widget_destroy), notification);
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(notification)->vbox), label);
gtk_widget_show_all(notification);
/* update combo */
if (wndPreferences == NULL)
return;
nsgtk_options_combo_theme_add(themename);
}
/**
* \param themename contains a name of theme to check whether it may
* properly be added to the list; alternatively NULL to check the integrity
* of the list
* \return true for themename may be added / every item in the list is
* a valid directory
*/
bool nsgtk_theme_verify(const char *themename)
{
long filelength;
FILE *fp;
size_t val = SLEN("themelist") + strlen(res_dir_location) + 1;
char buf[50];
char themefile[val];
snprintf(themefile, val, "%s%s", res_dir_location, "themelist");
if (themename == NULL) {
char *filecontent, *testfile;
struct stat sta;
fp = fopen(themefile, "r+");
if (fp == NULL) {
warn_user(messages_get("gtkFileError"), themefile);
return true;
}
fseek(fp, 0L, SEEK_END);
filelength = ftell(fp);
filecontent = malloc(filelength +
SLEN("gtk default theme\n") + SLEN("\n")
+ 1);
if (filecontent == NULL) {
warn_user(messages_get("NoMemory"), 0);
fclose(fp);
return true;
}
strcpy(filecontent, "gtk default theme\n");
fseek(fp, 0L, SEEK_SET);
while (fgets(buf, sizeof(buf), fp) != NULL) {
/* iterate list */
buf[strlen(buf) - 1] = '\0';
/* "\n\0" -> "\0\0" */
testfile = malloc(strlen(res_dir_location) +
SLEN("themes/") + strlen(buf) + 1);
if (testfile == NULL) {
warn_user(messages_get("NoMemory"), 0);
free(filecontent);
fclose(fp);
return false;
}
sprintf(testfile, "%sthemes/%s", res_dir_location,
buf);
/* check every directory */
if (access(testfile, R_OK) == 0) {
stat(testfile, &sta);
if (S_ISDIR(sta.st_mode)) {
buf[strlen(buf)] = '\n';
/* "\0\0" -> "\n\0" */
strcat(filecontent, buf);
}
}
free(testfile);
}
fclose(fp);
fp = fopen(themefile, "w");
if (fp == NULL) {
warn_user(messages_get("gtkFileError"), themefile);
free(filecontent);
return true;
}
val = fwrite(filecontent, strlen(filecontent), 1, fp);
if (val == 0)
LOG(("empty write themelist"));
fclose(fp);
free(filecontent);
return true;
} else {
fp = fopen(themefile, "r");
if (fp == NULL) {
warn_user(messages_get("gtkFileError"), themefile);
return false;
}
while (fgets(buf, sizeof(buf), fp) != NULL) {
buf[strlen(buf) - 1] = '\0';
/* "\n\0" -> "\0\0" */
if (strcmp(buf, themename) == 0) {
fclose(fp);
return false;
}
}
fclose(fp);
return true;
}
}
/**
* sets the images for a particular scaffolding according to the current theme
*/
void nsgtk_theme_implement(struct gtk_scaffolding *g)
{
struct nsgtk_theme *theme[IMAGE_SET_COUNT];
int i;
struct nsgtk_button_connect *button;
struct gtk_search *search;
for (i = 0; i <= IMAGE_SET_POPUP_MENU; i++)
theme[i] = nsgtk_theme_load(GTK_ICON_SIZE_MENU);
theme[IMAGE_SET_BUTTONS] =
nsgtk_theme_load(GTK_ICON_SIZE_LARGE_TOOLBAR);
for (i = BACK_BUTTON; i < PLACEHOLDER_BUTTON; i++) {
if ((i == URL_BAR_ITEM) || (i == THROBBER_ITEM) ||
(i == WEBSEARCH_ITEM))
continue;
button = nsgtk_scaffolding_button(g, i);
if (button == NULL)
continue;
/* gtk_image_menu_item_set_image accepts NULL image */
if ((button->main != NULL) &&
(theme[IMAGE_SET_MAIN_MENU] != NULL)) {
gtk_image_menu_item_set_image(button->main,
GTK_WIDGET(
theme[IMAGE_SET_MAIN_MENU]->
image[i]));
gtk_widget_show_all(GTK_WIDGET(button->main));
}
if ((button->rclick != NULL) &&
(theme[IMAGE_SET_RCLICK_MENU] != NULL)) {
gtk_image_menu_item_set_image(button->rclick,
GTK_WIDGET(
theme[IMAGE_SET_RCLICK_MENU]->
image[i]));
gtk_widget_show_all(GTK_WIDGET(button->rclick));
}
if ((button->popup != NULL) &&
(theme[IMAGE_SET_POPUP_MENU] != NULL)) {
gtk_image_menu_item_set_image(button->popup,
GTK_WIDGET(
theme[IMAGE_SET_POPUP_MENU]->
image[i]));
gtk_widget_show_all(GTK_WIDGET(button->popup));
}
if ((button->location != -1) && (button->button != NULL) &&
(theme[IMAGE_SET_BUTTONS] != NULL)) {
gtk_tool_button_set_icon_widget(
GTK_TOOL_BUTTON(button->button),
GTK_WIDGET(
theme[IMAGE_SET_BUTTONS]->
image[i]));
gtk_widget_show_all(GTK_WIDGET(button->button));
}
}
/* set search bar images */
search = nsgtk_scaffolding_search(g);
if ((search != NULL) && (theme[IMAGE_SET_MAIN_MENU] != NULL)) {
/* gtk_tool_button_set_icon_widget accepts NULL image */
if (search->buttons[SEARCH_BACK_BUTTON] != NULL) {
gtk_tool_button_set_icon_widget(
search->buttons[SEARCH_BACK_BUTTON],
GTK_WIDGET(theme[IMAGE_SET_MAIN_MENU]->
searchimage[SEARCH_BACK_BUTTON]));
gtk_widget_show_all(GTK_WIDGET(
search->buttons[SEARCH_BACK_BUTTON]));
}
if (search->buttons[SEARCH_FORWARD_BUTTON] != NULL) {
gtk_tool_button_set_icon_widget(
search->buttons[SEARCH_FORWARD_BUTTON],
GTK_WIDGET(theme[IMAGE_SET_MAIN_MENU]->
searchimage[SEARCH_FORWARD_BUTTON]));
gtk_widget_show_all(GTK_WIDGET(
search->buttons[
SEARCH_FORWARD_BUTTON]));
}
if (search->buttons[SEARCH_CLOSE_BUTTON] != NULL) {
gtk_tool_button_set_icon_widget(
search->buttons[SEARCH_CLOSE_BUTTON],
GTK_WIDGET(theme[IMAGE_SET_MAIN_MENU]->
searchimage[SEARCH_CLOSE_BUTTON]));
gtk_widget_show_all(GTK_WIDGET(
search->buttons[SEARCH_CLOSE_BUTTON]));
}
}
for (i = 0; i < IMAGE_SET_COUNT; i++)
if (theme[i] != NULL)
free(theme[i]);
}
/**
* creates a set of images to add to buttons / menus
* loads images from cache, calling an update to the cache when necessary
* \return a struct nsgtk_theme is an array of images
*/
struct nsgtk_theme *nsgtk_theme_load(GtkIconSize s)
{
if (current_theme_name == NULL)
return nsgtk_theme_default(s);
struct nsgtk_theme *theme = malloc(sizeof(struct nsgtk_theme));
if (theme == NULL)
return theme;
if ((theme_cache_menu == NULL) || (theme_cache_toolbar == NULL))
nsgtk_theme_prepare();
/* load theme from cache */
struct nsgtk_theme_cache *cachetheme = (s == GTK_ICON_SIZE_MENU) ?
theme_cache_menu : theme_cache_toolbar;
if (cachetheme == NULL) {
free(theme);
return NULL;
}
#define SET_BUTTON_IMAGE(p, q, r)\
if (p->image[q##_BUTTON] != NULL)\
r->image[q##_BUTTON] = GTK_IMAGE(gtk_image_new_from_pixbuf(\
p->image[q##_BUTTON]));\
else\
r->image[q##_BUTTON] = nsgtk_theme_image_default(\
q##_BUTTON, s);
SET_BUTTON_IMAGE(cachetheme, BACK, theme)
SET_BUTTON_IMAGE(cachetheme, HISTORY, theme)
SET_BUTTON_IMAGE(cachetheme, FORWARD, theme)
SET_BUTTON_IMAGE(cachetheme, STOP, theme)
SET_BUTTON_IMAGE(cachetheme, RELOAD, theme)
SET_BUTTON_IMAGE(cachetheme, HOME, theme)
SET_BUTTON_IMAGE(cachetheme, NEWWINDOW, theme)
SET_BUTTON_IMAGE(cachetheme, NEWTAB, theme)
SET_BUTTON_IMAGE(cachetheme, OPENFILE, theme)
SET_BUTTON_IMAGE(cachetheme, CLOSETAB, theme)
SET_BUTTON_IMAGE(cachetheme, CLOSEWINDOW, theme)
SET_BUTTON_IMAGE(cachetheme, SAVEPAGE, theme)
SET_BUTTON_IMAGE(cachetheme, PRINTPREVIEW, theme)
SET_BUTTON_IMAGE(cachetheme, PRINT, theme)
SET_BUTTON_IMAGE(cachetheme, QUIT, theme)
SET_BUTTON_IMAGE(cachetheme, CUT, theme)
SET_BUTTON_IMAGE(cachetheme, COPY, theme)
SET_BUTTON_IMAGE(cachetheme, PASTE, theme)
SET_BUTTON_IMAGE(cachetheme, DELETE, theme)
SET_BUTTON_IMAGE(cachetheme, SELECTALL, theme)
SET_BUTTON_IMAGE(cachetheme, PREFERENCES, theme)
SET_BUTTON_IMAGE(cachetheme, ZOOMPLUS, theme)
SET_BUTTON_IMAGE(cachetheme, ZOOMMINUS, theme)
SET_BUTTON_IMAGE(cachetheme, ZOOMNORMAL, theme)
SET_BUTTON_IMAGE(cachetheme, FULLSCREEN, theme)
SET_BUTTON_IMAGE(cachetheme, VIEWSOURCE, theme)
SET_BUTTON_IMAGE(cachetheme, CONTENTS, theme)
SET_BUTTON_IMAGE(cachetheme, ABOUT, theme)
SET_BUTTON_IMAGE(cachetheme, PDF, theme)
SET_BUTTON_IMAGE(cachetheme, PLAINTEXT, theme)
SET_BUTTON_IMAGE(cachetheme, DRAWFILE, theme)
SET_BUTTON_IMAGE(cachetheme, POSTSCRIPT, theme)
SET_BUTTON_IMAGE(cachetheme, FIND, theme)
SET_BUTTON_IMAGE(cachetheme, DOWNLOADS, theme)
SET_BUTTON_IMAGE(cachetheme, SAVEWINDOWSIZE, theme)
SET_BUTTON_IMAGE(cachetheme, TOGGLEDEBUGGING, theme)
SET_BUTTON_IMAGE(cachetheme, SAVEBOXTREE, theme)
SET_BUTTON_IMAGE(cachetheme, SAVEDOMTREE, theme)
SET_BUTTON_IMAGE(cachetheme, LOCALHISTORY, theme)
SET_BUTTON_IMAGE(cachetheme, GLOBALHISTORY, theme)
SET_BUTTON_IMAGE(cachetheme, ADDBOOKMARKS, theme)
SET_BUTTON_IMAGE(cachetheme, SHOWBOOKMARKS, theme)
SET_BUTTON_IMAGE(cachetheme, OPENLOCATION, theme)
SET_BUTTON_IMAGE(cachetheme, NEXTTAB, theme)
SET_BUTTON_IMAGE(cachetheme, PREVTAB, theme)
SET_BUTTON_IMAGE(cachetheme, GUIDE, theme)
SET_BUTTON_IMAGE(cachetheme, INFO, theme)
#undef SET_BUTTON_IMAGE
#define SET_BUTTON_IMAGE(p, q, qq, r)\
if (qq->searchimage[SEARCH_##p##_BUTTON] != NULL)\
r->searchimage[SEARCH_##p##_BUTTON] =\
GTK_IMAGE(gtk_image_new_from_pixbuf(\
qq->searchimage[\
SEARCH_##p##_BUTTON]));\
else if (qq->image[q##_BUTTON] != NULL)\
r->searchimage[SEARCH_##p##_BUTTON] =\
GTK_IMAGE(gtk_image_new_from_pixbuf(\
qq->image[q##_BUTTON]));\
else\
r->searchimage[SEARCH_##p##_BUTTON] =\
nsgtk_theme_image_default(\
PLACEHOLDER_BUTTON + SEARCH_##p##_BUTTON, s);
SET_BUTTON_IMAGE(BACK, BACK, cachetheme, theme)
SET_BUTTON_IMAGE(FORWARD, FORWARD, cachetheme, theme)
SET_BUTTON_IMAGE(CLOSE, CLOSEWINDOW, cachetheme, theme)
#undef SET_BUTTON_IMAGE
return theme;
}
/**
* caches individual theme images from file
* \param i the toolbar button reference
* \param filename the image file name
* \param path the path to the theme folder
*/
void nsgtk_theme_cache_image(nsgtk_toolbar_button i, const char *filename,
const char *path)
{
char fullpath[strlen(filename) + strlen(path) + 1];
sprintf(fullpath, "%s%s", path, filename);
if (theme_cache_toolbar != NULL)
theme_cache_toolbar->image[i] =
gdk_pixbuf_new_from_file_at_size(fullpath,
24, 24, NULL);
if (theme_cache_menu != NULL)
theme_cache_menu->image[i] = gdk_pixbuf_new_from_file_at_size(
fullpath, 16, 16, NULL);
}
void nsgtk_theme_cache_searchimage(nsgtk_search_buttons i,
const char *filename, const char *path)
{
char fullpath[strlen(filename) + strlen(path) + 1];
sprintf(fullpath, "%s%s", path, filename);
if (theme_cache_toolbar != NULL)
theme_cache_toolbar->searchimage[i] =
gdk_pixbuf_new_from_file_at_size(fullpath,
24, 24, NULL);
if (theme_cache_menu != NULL)
theme_cache_menu->searchimage[i] =
gdk_pixbuf_new_from_file_at_size(fullpath,
16, 16, NULL);
}
/**
* caches theme images from file as pixbufs
*/
void nsgtk_theme_prepare(void)
{
if (current_theme_name == NULL)
return;
if (theme_cache_menu == NULL)
theme_cache_menu = malloc(sizeof(struct nsgtk_theme_cache));
if (theme_cache_toolbar == NULL)
theme_cache_toolbar = malloc(sizeof(struct nsgtk_theme_cache));
size_t len = strlen(res_dir_location) + SLEN("/themes/") +
strlen(current_theme_name) + 1;
char path[len];
snprintf(path, len, "%sthemes/%s/", res_dir_location,
current_theme_name);
#define CACHE_IMAGE(p, q, r)\
nsgtk_theme_cache_image(p##_BUTTON, #q ".png", r)
CACHE_IMAGE(BACK, back, path);
CACHE_IMAGE(HISTORY, history, path);
CACHE_IMAGE(FORWARD, forward, path);
CACHE_IMAGE(STOP, stop, path);
CACHE_IMAGE(RELOAD, reload, path);
CACHE_IMAGE(HOME, home, path);
CACHE_IMAGE(NEWWINDOW, newwindow, path);
CACHE_IMAGE(NEWTAB, newtab, path);
CACHE_IMAGE(OPENFILE, openfile, path);
CACHE_IMAGE(CLOSETAB, closetab, path);
CACHE_IMAGE(CLOSEWINDOW, closewindow, path);
CACHE_IMAGE(SAVEPAGE, savepage, path);
CACHE_IMAGE(PRINTPREVIEW, printpreview, path);
CACHE_IMAGE(PRINT, print, path);
CACHE_IMAGE(QUIT, quit, path);
CACHE_IMAGE(CUT, cut, path);
CACHE_IMAGE(COPY, copy, path);
CACHE_IMAGE(PASTE, paste, path);
CACHE_IMAGE(DELETE, delete, path);
CACHE_IMAGE(SELECTALL, selectall, path);
CACHE_IMAGE(PREFERENCES, preferences, path);
CACHE_IMAGE(ZOOMPLUS, zoomplus, path);
CACHE_IMAGE(ZOOMMINUS, zoomminus, path);
CACHE_IMAGE(ZOOMNORMAL, zoomnormal, path);
CACHE_IMAGE(FULLSCREEN, fullscreen, path);
CACHE_IMAGE(VIEWSOURCE, viewsource, path);
CACHE_IMAGE(CONTENTS, helpcontents, path);
CACHE_IMAGE(ABOUT, helpabout, path);
CACHE_IMAGE(PDF, pdf, path);
CACHE_IMAGE(PLAINTEXT, plaintext, path);
CACHE_IMAGE(DRAWFILE, drawfile, path);
CACHE_IMAGE(POSTSCRIPT, postscript, path);
CACHE_IMAGE(FIND, find, path);
CACHE_IMAGE(DOWNLOADS, downloads, path);
CACHE_IMAGE(SAVEWINDOWSIZE, savewindowsize, path);
CACHE_IMAGE(TOGGLEDEBUGGING, toggledebugging, path);
CACHE_IMAGE(SAVEBOXTREE, boxtree, path);
CACHE_IMAGE(SAVEDOMTREE, domtree, path);
CACHE_IMAGE(LOCALHISTORY, localhistory, path);
CACHE_IMAGE(GLOBALHISTORY, globalhistory, path);
CACHE_IMAGE(ADDBOOKMARKS, addbookmarks, path);
CACHE_IMAGE(SHOWBOOKMARKS, showbookmarks, path);
CACHE_IMAGE(OPENLOCATION, openlocation, path);
CACHE_IMAGE(NEXTTAB, nexttab, path);
CACHE_IMAGE(PREVTAB, prevtab, path);
CACHE_IMAGE(GUIDE, helpguide, path);
CACHE_IMAGE(INFO, helpinfo, path);
#undef CACHE_IMAGE
#define CACHE_IMAGE(p, q, r)\
nsgtk_theme_cache_searchimage(p, #q ".png", r);
CACHE_IMAGE(SEARCH_BACK_BUTTON, searchback, path);
CACHE_IMAGE(SEARCH_FORWARD_BUTTON, searchforward, path);
CACHE_IMAGE(SEARCH_CLOSE_BUTTON, searchclose, path);
#undef CACHE_IMAGE
}
/**
* returns default image for buttons / menu items from gtk stock items
* \param i button reference
*/
GtkImage *nsgtk_theme_image_default(nsgtk_toolbar_button i, GtkIconSize s)
{
char *imagefile;
GtkImage *image;
switch(i) {
#define BUTTON_IMAGE(p, q)\
case p##_BUTTON:\
return GTK_IMAGE(gtk_image_new_from_stock(#q, s))
BUTTON_IMAGE(BACK, gtk-go-back);
case HISTORY_BUTTON: {
size_t len = SLEN("arrow_down_8x32.png") +
strlen(res_dir_location) + 1;
imagefile = malloc(len);
if (imagefile == NULL) {
warn_user(messages_get("NoMemory"), 0);
return NULL;
}
snprintf(imagefile, len, "%sarrow_down_8x32.png",
res_dir_location);
image = GTK_IMAGE(gtk_image_new_from_file(imagefile));
free(imagefile);
return image;
}
BUTTON_IMAGE(FORWARD, gtk-go-forward);
BUTTON_IMAGE(STOP, gtk-stop);
BUTTON_IMAGE(RELOAD, gtk-refresh);
BUTTON_IMAGE(HOME, gtk-home);
BUTTON_IMAGE(NEWWINDOW, gtk-new);
BUTTON_IMAGE(NEWTAB, gtk-new);
BUTTON_IMAGE(OPENFILE, gtk-open);
BUTTON_IMAGE(CLOSETAB, gtk-close);
BUTTON_IMAGE(CLOSEWINDOW, gtk-close);
BUTTON_IMAGE(SAVEPAGE, gtk-save-as);
BUTTON_IMAGE(PRINTPREVIEW, gtk-print-preview);
BUTTON_IMAGE(PRINT, gtk-print);
BUTTON_IMAGE(QUIT, gtk-quit);
BUTTON_IMAGE(CUT, gtk-cut);
BUTTON_IMAGE(COPY, gtk-copy);
BUTTON_IMAGE(PASTE, gtk-paste);
BUTTON_IMAGE(DELETE, gtk-delete);
BUTTON_IMAGE(SELECTALL, gtk-select-all);
BUTTON_IMAGE(FIND, gtk-find);
BUTTON_IMAGE(PREFERENCES, gtk-preferences);
BUTTON_IMAGE(ZOOMPLUS, gtk-zoom-in);
BUTTON_IMAGE(ZOOMMINUS, gtk-zoom-out);
BUTTON_IMAGE(ZOOMNORMAL, gtk-zoom-100);
BUTTON_IMAGE(FULLSCREEN, gtk-fullscreen);
BUTTON_IMAGE(VIEWSOURCE, gtk-index);
BUTTON_IMAGE(CONTENTS, gtk-help);
BUTTON_IMAGE(ABOUT, gtk-about);
#undef BUTTON_IMAGE
case (PLACEHOLDER_BUTTON + SEARCH_BACK_BUTTON):
return GTK_IMAGE(gtk_image_new_from_stock("gtk-go-back", s));
case (PLACEHOLDER_BUTTON + SEARCH_FORWARD_BUTTON):
return GTK_IMAGE(gtk_image_new_from_stock("gtk-go-forward",
s));
case (PLACEHOLDER_BUTTON + SEARCH_CLOSE_BUTTON):
return GTK_IMAGE(gtk_image_new_from_stock("gtk-close", s));
default: {
size_t len = SLEN("themes/Alpha.png") +
strlen(res_dir_location) + 1;
imagefile = malloc(len);
if (imagefile == NULL) {
warn_user(messages_get("NoMemory"), 0);
return NULL;
}
snprintf(imagefile, len, "%sthemes/Alpha.png",
res_dir_location);
image = GTK_IMAGE(
gtk_image_new_from_file(imagefile));
free(imagefile);
return image;
}
}
}
#ifdef WITH_THEME_INSTALL
/**
* when CONTENT_THEME needs handling call this function
*/
void theme_install_start(hlcache_handle *c)
{
assert(c);
assert(content_get_type(c) == CONTENT_THEME);
/* stop theme sitting in memory cache */
content_invalidate_reuse_data(c);
hlcache_handle_replace_callback(c, theme_install_callback, NULL);
}
/**
* Callback for fetchcache() for theme install fetches.
*/
nserror theme_install_callback(hlcache_handle *c,
const hlcache_event *event, void *pw)
{
switch (event->type) {
case CONTENT_MSG_READY:
break;
case CONTENT_MSG_DONE:
{
const char *source_data;
unsigned long source_size;
source_data = content_get_source_data(c, &source_size);
if (!theme_install_read(source_data, source_size))
warn_user("ThemeInvalid", 0);
hlcache_handle_release(c);
}
break;
case CONTENT_MSG_ERROR:
warn_user(event->data.error, 0);
break;
case CONTENT_MSG_STATUS:
break;
case CONTENT_MSG_LOADING:
case CONTENT_MSG_REFORMAT:
case CONTENT_MSG_REDRAW:
default:
assert(0);
break;
}
return NSERROR_OK;
}
/**
* handler saves theme data content as a local theme
*/
bool theme_install_read(const char *data, unsigned long len)
{
char *filename, *newfilename;
size_t namelen;
int handle = g_file_open_tmp("nsgtkthemeXXXXXX", &filename, NULL);
if (handle == -1) {
warn_user(messages_get("gtkFileError"),
"temporary theme file");
return false;
}
ssize_t written = write(handle, data, len);
close(handle);
if ((unsigned)written != len)
return false;
/* get name of theme; set as dirname */
namelen = SLEN("themes/") + strlen(res_dir_location) + 1;
char dirname[namelen];
snprintf(dirname, namelen, "%sthemes/", res_dir_location);
/* save individual files in theme */
newfilename = container_extract_theme(filename, dirname);
g_free(filename);
if (newfilename == NULL)
return false;
nsgtk_theme_add(newfilename);
free(newfilename);
return true;
}
#endif
/**
* loads the set of default images for the toolbar / menus
*/
struct nsgtk_theme *nsgtk_theme_default(GtkIconSize s)
{
struct nsgtk_theme *theme = malloc(sizeof(struct nsgtk_theme));
if (theme == NULL) {
warn_user("NoMemory", 0);
return NULL;
}
for (int i = BACK_BUTTON; i < PLACEHOLDER_BUTTON +
SEARCH_BUTTONS_COUNT; i++)
theme->image[i] = nsgtk_theme_image_default(i, s);
return theme;
}
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