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Fix display of link hint

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The link hint was truncated when the link rectangle was too small to
contain in. With this commit the link hint area is also redrawn.
This commit is contained in:
Jeremie Knuesel 2018-01-26 14:05:19 +01:00
parent bab38fc636
commit 76e5f7dc7a
1 changed files with 44 additions and 0 deletions
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44
zathura/page-widget.c
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@ -340,12 +340,47 @@ set_font_from_property(cairo_t* cairo, zathura_t* zathura, cairo_font_weight_t w
g_free(font);
}
static cairo_text_extents_t
get_text_extents(const char* string, zathura_t* zathura, cairo_font_weight_t weight) {
cairo_text_extents_t text = {0,};
if (zathura == NULL) {
return text;
}
/* make dummy surface to satisfy API requirements */
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, 0, 0);
if (cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) {
return text;
}
cairo_t* cairo = cairo_create(surface);
if (cairo_status(cairo) != CAIRO_STATUS_SUCCESS) {
cairo_surface_destroy(surface);
return text;
}
set_font_from_property(cairo, zathura, weight);
cairo_text_extents(cairo, string, &text);
/* add some margin (for some reason the reported extents can be a bit short) */
text.width += 6;
text.height += 2;
cairo_destroy(cairo);
cairo_surface_destroy(surface);
return text;
}
static void
zathura_page_widget_set_property(GObject* object, guint prop_id, const GValue* value, GParamSpec* pspec)
{
ZathuraPage* pageview = ZATHURA_PAGE(object);
zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(pageview);
cairo_text_extents_t text;
switch (prop_id) {
case PROP_PAGE:
priv->page = g_value_get_pointer(value);
@ -363,10 +398,19 @@ zathura_page_widget_set_property(GObject* object, guint prop_id, const GValue* v
}
if (priv->links.retrieved == TRUE && priv->links.list != NULL) {
/* get size of text that should be large enough for every link hint */
text = get_text_extents("888", priv->zathura, CAIRO_FONT_WEIGHT_BOLD);
GIRARA_LIST_FOREACH(priv->links.list, zathura_link_t*, iter, link)
if (link != NULL) {
/* redraw link area */
zathura_rectangle_t rectangle = recalc_rectangle(priv->page, zathura_link_get_position(link));
redraw_rect(pageview, &rectangle);
/* also redraw area for link hint */
rectangle.x2 = rectangle.x1 + text.width;
rectangle.y1 = rectangle.y2 - text.height;
redraw_rect(pageview, &rectangle);
}
GIRARA_LIST_FOREACH_END(priv->links.list, zathura_link_t*, iter, link);
}