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-rw-r--r--gtk/gtk_theme.c773
1 files changed, 773 insertions, 0 deletions
diff --git a/gtk/gtk_theme.c b/gtk/gtk_theme.c
new file mode 100644
index 000000000..f215cbeea
--- /dev/null
+++ b/gtk/gtk_theme.c
@@ -0,0 +1,773 @@
+/*
+ * 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 "content/content.h"
+#include "content/content_type.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 struct content *theme_install_content = NULL;
+
+static void theme_install_callback(content_msg msg, struct content *c,
+ intptr_t p1, intptr_t p2, union content_msg_data data);
+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);
+ 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);
+ 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)
+ 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(struct content *c)
+{
+ assert(c);
+ assert(c->type == CONTENT_THEME);
+
+ /* stop theme sitting in memory cache */
+ c->fresh = false;
+ if (!content_add_user(c, theme_install_callback, 0, 0)) {
+ warn_user("NoMemory", 0);
+ return;
+ }
+}
+
+
+/**
+ * Callback for fetchcache() for theme install fetches.
+ */
+
+void theme_install_callback(content_msg msg, struct content *c,
+ intptr_t p1, intptr_t p2, union content_msg_data data)
+{
+ switch (msg) {
+ case CONTENT_MSG_READY:
+ break;
+
+ case CONTENT_MSG_DONE:
+ theme_install_content = c;
+ if (!theme_install_read(c->source_data, c->source_size))
+ warn_user("ThemeInvalid", 0);
+ break;
+
+ case CONTENT_MSG_ERROR:
+ warn_user(data.error, 0);
+ break;
+
+ case CONTENT_MSG_STATUS:
+ break;
+
+ case CONTENT_MSG_LOADING:
+ case CONTENT_MSG_REFORMAT:
+ case CONTENT_MSG_REDRAW:
+ case CONTENT_MSG_NEWPTR:
+ case CONTENT_MSG_LAUNCH:
+ case CONTENT_MSG_AUTH:
+ default:
+ assert(0);
+ break;
+ }
+}
+
+/**
+ * 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");
+ }
+ 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;
+}
+