summaryrefslogtreecommitdiff
path: root/src/book-view.vala
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff-webhosting.net>2017-07-16 10:20:56 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2017-07-16 10:20:56 +0200
commit657d8b8812f16b2c377e5b77ff2ffcc4046a7dce (patch)
treebbcf268a73f802c7308f7670f6daf62b44a6e834 /src/book-view.vala
parent6f674ee5c209ae295a32211c9c86807aa06999a5 (diff)
New upstream version 3.25.1upstream/3.25.1
Diffstat (limited to 'src/book-view.vala')
-rw-r--r--src/book-view.vala77
1 files changed, 54 insertions, 23 deletions
diff --git a/src/book-view.vala b/src/book-view.vala
index 069525e..182edc7 100644
--- a/src/book-view.vala
+++ b/src/book-view.vala
@@ -23,6 +23,20 @@ public class BookView : Gtk.Box
private bool laying_out;
private bool show_selected_page;
+ /* Page to show when book empty */
+ private PageView? default_page_view = null;
+ public Page default_page
+ {
+ set
+ {
+ if (value == null)
+ default_page_view = null;
+ else
+ default_page_view = new PageView (value);
+ need_layout = true;
+ }
+ }
+
/* Currently selected page */
private PageView? selected_page_view = null;
public Page? selected_page
@@ -295,26 +309,38 @@ public class BookView : Gtk.Box
private void layout_into (int width, int height, out int book_width, out int book_height)
{
+ var pages = new List<PageView> ();
+ if (book.n_pages == 0)
+ {
+ if (default_page_view != null)
+ pages.append (default_page_view);
+ }
+ else
+ {
+ for (var i = 0; i < book.n_pages; i++)
+ pages.append (get_nth_page (i));
+ }
+
/* Get maximum page resolution */
int max_dpi = 0;
- for (var i = 0; i < book.n_pages; i++)
+ foreach (var page in pages)
{
- var page = book.get_page (i);
- if (page.dpi > max_dpi)
- max_dpi = page.dpi;
+ var p = page.page;
+ if (p.dpi > max_dpi)
+ max_dpi = p.dpi;
}
/* Get area required to fit all pages */
int max_width = 0, max_height = 0;
- for (var i = 0; i < book.n_pages; i++)
+ foreach (var page in pages)
{
- var page = book.get_page (i);
- var w = page.width;
- var h = page.height;
+ var p = page.page;
+ var w = p.width;
+ var h = p.height;
/* Scale to the same DPI */
- w = (int) ((double)w * max_dpi / page.dpi + 0.5);
- h = (int) ((double)h * max_dpi / page.dpi + 0.5);
+ w = (int) ((double)w * max_dpi / p.dpi + 0.5);
+ h = (int) ((double)h * max_dpi / p.dpi + 0.5);
if (w > max_width)
max_width = w;
@@ -329,9 +355,8 @@ public class BookView : Gtk.Box
int spacing = 12;
book_width = 0;
book_height = 0;
- for (var i = 0; i < book.n_pages; i++)
+ foreach (var page in pages)
{
- var page = get_nth_page (i);
var p = page.page;
/* NOTE: Using double to avoid overflow for large images */
@@ -351,16 +376,14 @@ public class BookView : Gtk.Box
var h = page.height;
if (h > book_height)
book_height = h;
- book_width += page.width;
- if (i != 0)
- book_width += spacing;
+ book_width += page.width + spacing;
}
+ if (pages != null)
+ book_width -= spacing;
int x_offset = 0;
- for (var i = 0; i < book.n_pages; i++)
+ foreach (var page in pages)
{
- var page = get_nth_page (i);
-
/* Layout pages left to right */
page.x_offset = x_offset;
x_offset += page.width + spacing;
@@ -432,18 +455,26 @@ public class BookView : Gtk.Box
private bool draw_cb (Gtk.Widget widget, Cairo.Context context)
{
- if (book.n_pages == 0)
- return false;
-
layout ();
double left, top, right, bottom;
context.clip_extents (out left, out top, out right, out bottom);
+ var pages = new List<PageView> ();
+ if (book.n_pages == 0)
+ {
+ if (default_page_view != null)
+ pages.append (default_page_view);
+ }
+ else
+ {
+ for (var i = 0; i < book.n_pages; i++)
+ pages.append (get_nth_page (i));
+ }
+
/* Render each page */
- for (var i = 0; i < book.n_pages; i++)
+ foreach (var page in pages)
{
- var page = get_nth_page (i);
var left_edge = page.x_offset - x_offset;
var right_edge = page.x_offset + page.width - x_offset;