void
liferea_htmlview_write (LifereaHtmlView *htmlview, const gchar *string, const gchar *base)
{
const gchar *baseURL = base;
const gchar *errMsg = "ERROR: Invalid encoded UTF8 buffer passed to HTML widget! This shouldn't happen.";
if (!htmlview)
return;
htmlview->priv->internal = TRUE; /* enables special links */
if (baseURL == NULL)
baseURL = "file:///";
if (debug_level & DEBUG_HTML) {
gchar *filename = common_create_cache_filename (NULL, "output", "xhtml");
g_file_set_contents (filename, string, -1, NULL);
g_free (filename);
}
if (!g_utf8_validate (string, -1, NULL)) {
/* It is really a bug if we get invalid encoded UTF-8 here!!! */
(RENDERER (htmlview)->write) (htmlview->priv->renderWidget, errMsg, strlen (errMsg), baseURL, "text/plain");
} else {
(RENDERER (htmlview)->write) (htmlview->priv->renderWidget, string, strlen (string), baseURL, "application/xhtml+xml");
}
/* We hide the toolbar as it should only be shown when loading external content */
gtk_widget_hide (htmlview->priv->toolbar);
}
static void traverselights( P_Transform *thistrans, P_Attrib_List *thisattr )
{
P_Gob *self= (P_Gob *)po_this;
P_Ren_Data *thisrendata;
METHOD_IN
ger_debug("gob_mthd: traverselights");
thisrendata= RENLIST(self);
while (thisrendata) {
METHOD_RDY(RENDERER(thisrendata));
(*(RENDERER(thisrendata)->light_traverse_gob))
(RENDATA(thisrendata), thistrans, thisattr);
thisrendata= thisrendata->next;
}
METHOD_OUT
}
static void
liferea_htmlview_proxy_changed (NetworkMonitor *nm, gpointer userdata)
{
LifereaHtmlView *htmlview = LIFEREA_HTMLVIEW (userdata);
(RENDERER (htmlview)->setProxy) (network_get_proxy_host (),
network_get_proxy_port (),
network_get_proxy_username (),
network_get_proxy_password ());
}
void
liferea_htmlview_prepare_context_menu (LifereaHtmlView *htmlview, GtkMenu *menu, const gchar *linkUri, const gchar *imageUri)
{
GList *item, *items;
gboolean link = (linkUri != NULL);
gboolean image = (imageUri != NULL);
/* first drop all menu items that are provided by the browser widget (necessary for WebKit) */
item = items = gtk_container_get_children (GTK_CONTAINER (menu));
while (item) {
gtk_widget_destroy (GTK_WIDGET (item->data));
item = g_list_next (item);
}
g_list_free (items);
/* do not expose internal links */
if (linkUri && liferea_htmlview_is_special_url (linkUri) && !g_str_has_prefix (linkUri, "javascript:") && !g_str_has_prefix (linkUri, "data:"))
link = FALSE;
/* and now add all we want to see */
if (link) {
gchar *path;
menu_add_option (menu, _("Open Link In _Tab"), NULL, G_CALLBACK (on_popup_open_link_in_tab_activate), (gpointer)linkUri);
menu_add_option (menu, _("_Open Link In Browser"), NULL, G_CALLBACK (on_popup_launch_link_activate), (gpointer)linkUri);
menu_add_option (menu, _("_Open Link In External Browser"), NULL, G_CALLBACK (on_popup_launch_link_external_activate), (gpointer)linkUri);
menu_add_separator (menu);
path = g_strdup_printf (_("_Bookmark Link at %s"), social_get_bookmark_site ());
menu_add_option (menu, path, NULL, on_popup_social_bm_link_activate, (gpointer)linkUri);
g_free (path);
menu_add_option (menu, _("_Copy Link Location"), "gtk-copy", G_CALLBACK (on_popup_copy_url_activate), (gpointer)linkUri);
}
if (image)
menu_add_option (menu, _("_Copy Image Location"), "gtk-copy", G_CALLBACK (on_popup_copy_url_activate), (gpointer)imageUri);
if (link)
menu_add_option (menu, _("S_ave Link As"), "gtk-save", G_CALLBACK (on_popup_save_url_activate), (gpointer)linkUri);
if (image)
menu_add_option (menu, _("S_ave Image As"), "gtk-save", G_CALLBACK (on_popup_save_url_activate), (gpointer)imageUri);
if (link) {
menu_add_separator (menu);
menu_add_option (menu, _("_Subscribe..."), "gtk-add", G_CALLBACK (on_popup_subscribe_url_activate), (gpointer)linkUri);
}
if(!link && !image) {
GtkWidget *item;
item = menu_add_option (menu, NULL, GTK_STOCK_COPY, G_CALLBACK (on_popup_copy_activate), htmlview);
if (!(RENDERER (htmlview)->hasSelection) (htmlview->priv->renderWidget))
gtk_widget_set_sensitive (item, FALSE);
menu_add_separator (menu);
menu_add_option (menu, _("_Increase Text Size"), "gtk-zoom-in", G_CALLBACK (on_popup_zoomin_activate), htmlview);
menu_add_option (menu, _("_Decrease Text Size"), "gtk-zoom-out", G_CALLBACK (on_popup_zoomout_activate), htmlview);
}
}
static void traverselights_to_ren( P_Renderer *ren, P_Transform *thistrans,
P_Attrib_List *thisattr)
{
P_Gob *self= (P_Gob *)po_this;
P_Ren_Data *thisrendata;
METHOD_IN
ger_debug("gob_mthd: traverselights_to_ren");
/* I hate to do a walk of the renderer list, but I don't
* see an alternative.
*/
thisrendata= RENLIST(self);
while (thisrendata) {
if ( RENDERER(thisrendata) == ren ) {
METHOD_RDY(RENDERER(thisrendata));
(*(RENDERER(thisrendata)->light_traverse_gob))
(RENDATA(thisrendata), thistrans, thisattr);
METHOD_OUT
return;
}
else thisrendata= thisrendata->next;
void
liferea_htmlview_launch_URL_internal (LifereaHtmlView *htmlview, const gchar *url)
{
/* before loading untrusted URLs suppress internal link schema */
htmlview->priv->internal = FALSE;
browser_history_add_location (htmlview->priv->history, (gchar *)url);
gtk_widget_set_sensitive (htmlview->priv->forward, browser_history_can_go_forward (htmlview->priv->history));
gtk_widget_set_sensitive (htmlview->priv->back, browser_history_can_go_back (htmlview->priv->history));
gtk_entry_set_text (GTK_ENTRY (htmlview->priv->urlentry), url);
(RENDERER (htmlview)->launch) (htmlview->priv->renderWidget, url);
}
static void
liferea_htmlview_init (LifereaHtmlView *htmlview)
{
GtkWidget *widget, *image;
htmlview->priv = LIFEREA_HTMLVIEW_GET_PRIVATE (htmlview);
htmlview->priv->internal = FALSE;
htmlview->priv->impl = htmlview_get_impl ();
htmlview->priv->renderWidget = RENDERER (htmlview)->create (htmlview);
htmlview->priv->container = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
htmlview->priv->history = browser_history_new ();
htmlview->priv->toolbar = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
widget = gtk_button_new ();
gtk_button_set_relief (GTK_BUTTON (widget), GTK_RELIEF_NONE);
image = gtk_image_new_from_stock ("gtk-go-back", GTK_ICON_SIZE_BUTTON);
gtk_widget_show (image);
gtk_container_add (GTK_CONTAINER (widget), image);
gtk_box_pack_start (GTK_BOX (htmlview->priv->toolbar), widget, FALSE, FALSE, 0);
g_signal_connect ((gpointer)widget, "clicked", G_CALLBACK (on_htmlview_history_back), (gpointer)htmlview);
gtk_widget_set_sensitive (widget, FALSE);
htmlview->priv->back = widget;
widget = gtk_button_new ();
gtk_button_set_relief (GTK_BUTTON(widget), GTK_RELIEF_NONE);
image = gtk_image_new_from_stock ("gtk-go-forward", GTK_ICON_SIZE_BUTTON);
gtk_widget_show (image);
gtk_container_add (GTK_CONTAINER (widget), image);
gtk_box_pack_start (GTK_BOX (htmlview->priv->toolbar), widget, FALSE, FALSE, 0);
g_signal_connect ((gpointer)widget, "clicked", G_CALLBACK (on_htmlview_history_forward), (gpointer)htmlview);
gtk_widget_set_sensitive (widget, FALSE);
htmlview->priv->forward = widget;
widget = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (htmlview->priv->toolbar), widget, TRUE, TRUE, 0);
g_signal_connect ((gpointer)widget, "activate", G_CALLBACK (on_htmlview_url_entry_activate), (gpointer)htmlview);
htmlview->priv->urlentry = widget;
gtk_box_pack_start (GTK_BOX (htmlview->priv->container), htmlview->priv->toolbar, FALSE, FALSE, 0);
gtk_box_pack_end (GTK_BOX (htmlview->priv->container), htmlview->priv->renderWidget, TRUE, TRUE, 0);
gtk_widget_show_all (htmlview->priv->container);
}
static inline FAR struct nxtext_glyph_s *
nxtext_renderglyph(FAR struct nxtext_state_s *st,
FAR const struct nx_fontbitmap_s *fbm, uint8_t ch)
{
FAR struct nxtext_glyph_s *glyph = NULL;
FAR nxgl_mxpixel_t *ptr;
#if CONFIG_EXAMPLES_NXTEXT_BPP < 8
nxgl_mxpixel_t pixel;
#endif
int bmsize;
int row;
int col;
int ret;
/* Make sure that there is room for another glyph */
ginfo("ch=%c [%02x]\n", isprint(ch) ? ch : '.', ch);
/* Allocate the glyph (always succeeds) */
glyph = nxtext_allocglyph(st);
glyph->code = ch;
/* Get the dimensions of the glyph */
glyph->width = fbm->metric.width + fbm->metric.xoffset;
glyph->height = fbm->metric.height + fbm->metric.yoffset;
/* Allocate memory to hold the glyph with its offsets */
glyph->stride = (glyph->width * CONFIG_EXAMPLES_NXTEXT_BPP + 7) / 8;
bmsize = glyph->stride * glyph->height;
glyph->bitmap = (FAR uint8_t *)malloc(bmsize);
if (glyph->bitmap)
{
/* Initialize the glyph memory to the background color */
#if CONFIG_EXAMPLES_NXTEXT_BPP < 8
pixel = st->wcolor[0];
# if CONFIG_EXAMPLES_NXTEXT_BPP == 1
/* Pack 1-bit pixels into a 2-bits */
pixel &= 0x01;
pixel = (pixel) << 1 |pixel;
# endif
# if CONFIG_EXAMPLES_NXTEXT_BPP < 4
/* Pack 2-bit pixels into a nibble */
pixel &= 0x03;
pixel = (pixel) << 2 |pixel;
# endif
/* Pack 4-bit nibbles into a byte */
pixel &= 0x0f;
pixel = (pixel) << 4 | pixel;
ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
for (row = 0; row < glyph->height; row++)
{
for (col = 0; col < glyph->stride; col++)
{
/* Transfer the packed bytes into the buffer */
*ptr++ = pixel;
}
}
#elif CONFIG_EXAMPLES_NXTEXT_BPP == 24
# error "Additional logic is needed here for 24bpp support"
#else /* CONFIG_EXAMPLES_NXTEXT_BPP = {8,16,32} */
ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
for (row = 0; row < glyph->height; row++)
{
/* Just copy the color value into the glyph memory */
for (col = 0; col < glyph->width; col++)
{
*ptr++ = st->wcolor[0];
}
}
#endif
/* Then render the glyph into the allocated memory */
ret = RENDERER((FAR nxgl_mxpixel_t*)glyph->bitmap,
glyph->height, glyph->width, glyph->stride,
fbm, st->fcolor[0]);
if (ret < 0)
{
/* Actually, the RENDERER never returns a failure */
printf("nxtext_renderglyph: RENDERER failed\n");
nxtext_freeglyph(glyph);
glyph = NULL;
}
}
return glyph;
}
void nxhello_hello(NXWINDOW hwnd)
{
FAR const struct nx_font_s *fontset;
FAR const struct nx_fontbitmap_s *fbm;
FAR uint8_t *glyph;
FAR const char *ptr;
FAR struct nxgl_point_s pos;
FAR struct nxgl_rect_s dest;
FAR const void *src[CONFIG_NX_NPLANES];
unsigned int glyphsize;
unsigned int mxstride;
int ret;
/* Get information about the font we are going to use */
fontset = nxf_getfontset(g_nxhello.hfont);
/* Allocate a bit of memory to hold the largest rendered font */
mxstride = (fontset->mxwidth * CONFIG_EXAMPLES_NXHELLO_BPP + 7) >> 3;
glyphsize = (unsigned int)fontset->mxheight * mxstride;
glyph = (FAR uint8_t*)malloc(glyphsize);
/* NOTE: no check for failure to allocate the memory. In a real application
* you would need to handle that event.
*/
/* Get a position so the the "Hello, World!" string will be centered on the
* display.
*/
nxhello_center(&pos, fontset);
message("nxhello_hello: Position (%d,%d)\n", pos.x, pos.y);
/* Now we can say "hello" in the center of the display. */
for (ptr = g_hello; *ptr; ptr++)
{
/* Get the bitmap font for this ASCII code */
fbm = nxf_getbitmap(g_nxhello.hfont, *ptr);
if (fbm)
{
uint8_t fheight; /* Height of this glyph (in rows) */
uint8_t fwidth; /* Width of this glyph (in pixels) */
uint8_t fstride; /* Width of the glyph row (in bytes) */
/* Get information about the font bitmap */
fwidth = fbm->metric.width + fbm->metric.xoffset;
fheight = fbm->metric.height + fbm->metric.yoffset;
fstride = (fwidth * CONFIG_EXAMPLES_NXHELLO_BPP + 7) >> 3;
/* Initialize the glyph memory to the background color */
nxhello_initglyph(glyph, fheight, fwidth, fstride);
/* Then render the glyph into the allocated memory */
#if CONFIG_NX_NPLANES > 1
# warning "More logic is needed for the case where CONFIG_NX_PLANES > 1"
#endif
(void)RENDERER((FAR nxgl_mxpixel_t*)glyph, fheight, fwidth,
fstride, fbm, CONFIG_EXAMPLES_NXHELLO_FONTCOLOR);
/* Describe the destination of the font with a rectangle */
dest.pt1.x = pos.x;
dest.pt1.y = pos.y;
dest.pt2.x = pos.x + fwidth - 1;
dest.pt2.y = pos.y + fheight - 1;
/* Then put the font on the display */
src[0] = (FAR const void *)glyph;
#if CONFIG_NX_NPLANES > 1
# warning "More logic is needed for the case where CONFIG_NX_PLANES > 1"
#endif
ret = nx_bitmap((NXWINDOW)hwnd, &dest, src, &pos, fstride);
if (ret < 0)
{
message("nxhello_write: nx_bitmapwindow failed: %d\n", errno);
}
/* Skip to the right the width of the font */
pos.x += fwidth;
}
else
{
/* No bitmap (probably because the font is a space). Skip to the
* right the width of a space.
*/
pos.x += fontset->spwidth;
}
}
static inline FAR struct nxcon_glyph_s *
nxcon_renderglyph(FAR struct nxcon_state_s *priv,
FAR const struct nx_fontbitmap_s *fbm, uint8_t ch)
{
FAR struct nxcon_glyph_s *glyph = NULL;
FAR nxgl_mxpixel_t *ptr;
#if CONFIG_NXCONSOLE_BPP < 8
nxgl_mxpixel_t pixel;
#endif
int bmsize;
int row;
int col;
int ret;
/* Allocate the glyph (always succeeds) */
glyph = nxcon_allocglyph(priv);
glyph->code = ch;
/* Get the dimensions of the glyph */
glyph->width = fbm->metric.width + fbm->metric.xoffset;
glyph->height = fbm->metric.height + fbm->metric.yoffset;
/* Get the physical width of the glyph in bytes */
glyph->stride = (glyph->width * CONFIG_NXCONSOLE_BPP + 7) / 8;
/* Allocate memory to hold the glyph with its offsets */
bmsize = glyph->stride * glyph->height;
glyph->bitmap = (FAR uint8_t *)kmalloc(bmsize);
if (glyph->bitmap)
{
/* Initialize the glyph memory to the background color using the
* hard-coded bits-per-pixel (BPP).
*
* TODO: The rest of NX is configured to support multiple devices
* with differing BPP. They logic should be extended to support
* differing BPP's as well.
*/
#if CONFIG_NXCONSOLE_BPP < 8
pixel = priv->wndo.wcolor[0];
# if CONFIG_NXCONSOLE_BPP == 1
/* Pack 1-bit pixels into a 2-bits */
pixel &= 0x01;
pixel = (pixel) << 1 | pixel;
# endif
# if CONFIG_NXCONSOLE_BPP < 4
/* Pack 2-bit pixels into a nibble */
pixel &= 0x03;
pixel = (pixel) << 2 | pixel;
# endif
/* Pack 4-bit nibbles into a byte */
pixel &= 0x0f;
pixel = (pixel) << 4 | pixel;
ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
for (row = 0; row < glyph->height; row++)
{
for (col = 0; col < glyph->stride; col++)
{
/* Transfer the packed bytes into the buffer */
*ptr++ = pixel;
}
}
#elif CONFIG_NXCONSOLE_BPP == 24
# error "Additional logic is needed here for 24bpp support"
#else /* CONFIG_NXCONSOLE_BPP = {8,16,32} */
ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
for (row = 0; row < glyph->height; row++)
{
/* Just copy the color value into the glyph memory */
for (col = 0; col < glyph->width; col++)
{
*ptr++ = priv->wndo.wcolor[0];
}
}
#endif
/* Then render the glyph into the allocated memory */
ret = RENDERER((FAR nxgl_mxpixel_t*)glyph->bitmap,
glyph->height, glyph->width, glyph->stride,
fbm, priv->wndo.fcolor[0]);
if (ret < 0)
{
/* Actually, the RENDERER never returns a failure */
gdbg("nxcon_renderglyph: RENDERER failed\n");
nxcon_freeglyph(glyph);
glyph = NULL;
}
}
return glyph;
}
static void
on_popup_copy_activate (GtkWidget *widget, LifereaHtmlView *htmlview)
{
(RENDERER (htmlview)->copySelection) (htmlview->priv->renderWidget);
}
gboolean
liferea_htmlview_scroll (LifereaHtmlView *htmlview)
{
return (RENDERER (htmlview)->scrollPagedown) (htmlview->priv->renderWidget);
}
gfloat
liferea_htmlview_get_zoom (LifereaHtmlView *htmlview)
{
return (RENDERER (htmlview)->zoomLevelGet) (htmlview->priv->renderWidget);
}
void
liferea_htmlview_set_zoom (LifereaHtmlView *htmlview, gfloat diff)
{
(RENDERER (htmlview)->zoomLevelSet) (htmlview->priv->renderWidget, diff);
}
static void
liferea_htmlview_set_online (LifereaHtmlView *htmlview, gboolean online)
{
if (RENDERER (htmlview)->setOffLine)
(RENDERER (htmlview)->setOffLine) (!online);
}
void doDrawGlyphs(PangoRenderer* renderer, PangoFont* font, PangoGlyphString* glyphs, int px, int py) {
Renderer* ren = RENDERER(renderer);
if (!ren->m_runs) return;
std::vector<ViewdoTextRun>& runs = *(ren->m_runs);
const float s = ren->m_scale;
PangoColor* fg = pango_renderer_get_color(renderer, PANGO_RENDER_PART_FOREGROUND);
//PangoColor* bg = pango_renderer_get_color(renderer, PANGO_RENDER_PART_BACKGROUND);
float red = !fg ? 0.0f : fg->red / 65536.0f;
float green = !fg ? 0.0f : fg->green / 65536.0f;
float blue = !fg ? 0.0f : fg->blue / 65536.0f;
PangoFontDescription* desc = pango_font_describe(font);
unsigned int fontHash = pango_font_description_hash(desc);
pango_font_description_free(desc);
FT_Face face = pango_fc_font_lock_face((PangoFcFont*) font);
PangoGlyphUnit layoutX = px;
PangoGlyphUnit layoutY = py;
ViewdoGlyphCache& cache = ViewdoGlyphCache::instance();
for (int i = 0; i < glyphs->num_glyphs; i++) {
PangoGlyphInfo* gi = glyphs->glyphs + i;
if (gi->glyph & PANGO_GLYPH_UNKNOWN_FLAG) {
// XXX: Draw the fallback square.
continue;
}
unsigned int glyph = gi->glyph;
PangoRectangle r;
pango_font_get_glyph_extents(font, glyph, &r, 0);
pango_extents_to_pixels(&r, 0);
float w = r.width;
float h = r.height;
if (w <= 0.f && h <= 0.f) {
// Space.
layoutX += gi->geometry.width;
continue;
}
// Load and render the glyph. We probably need to just tell the font to cache it
// and then grab the coordinates of it.
const ViewdoGlyph& cachedGlyph = cache.findOrCreate(gi->glyph, fontHash, face);
// Walk our existing runs and try to find one with the same color and page.
// XXX: Fastpath try and use the run from the last glyph.
ViewdoTextRun* run = nullptr;
for (auto i = runs.begin(); i != runs.end(); i++) {
if (i->m_page == cachedGlyph.m_page && i->m_red == red && i->m_green == green && i->m_blue == blue) {
run = &(*i);
break;
}
}
if (!run) {
runs.push_back(ViewdoTextRun(cachedGlyph.m_page, red, green, blue));
run = &(runs[runs.size() - 1]);
}
float x = PANGO_PIXELS(layoutX + gi->geometry.x_offset) + cachedGlyph.m_offsetLeft;
float y = PANGO_PIXELS(layoutY + gi->geometry.y_offset) - cachedGlyph.m_offsetTop;
// Append ourselves onto this run.
addPoint(run->m_geometry,
x, y,
cachedGlyph.m_x0, cachedGlyph.m_y0,
s);
addPoint(run->m_geometry,
x + cachedGlyph.m_width, y,
cachedGlyph.m_x1, cachedGlyph.m_y0,
s);
addPoint(run->m_geometry,
x, y + cachedGlyph.m_height,
cachedGlyph.m_x0, cachedGlyph.m_y1,
s);
// Triangle 2.
addPoint(run->m_geometry,
x + cachedGlyph.m_width, y,
cachedGlyph.m_x1, cachedGlyph.m_y0,
s);
addPoint(run->m_geometry,
x, y + cachedGlyph.m_height,
cachedGlyph.m_x0, cachedGlyph.m_y1,
s);
addPoint(run->m_geometry,
x + cachedGlyph.m_width, y + cachedGlyph.m_height,
cachedGlyph.m_x1, cachedGlyph.m_y1,
s);
layoutX += gi->geometry.width;
}
pango_fc_font_unlock_face((PangoFcFont*) font);
}