gnu: Add sioyek.

* gnu/packages/patches/sioyek-fix-build.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/pdf.scm (sioyek): New variable.

Change-Id: Id2708745bd7ef672b620b8e9c907126bdc5a1f55
Signed-off-by: Hilton Chain <hako@ultrarare.space>

1 files changed, 82 insertions, 0 deletions

diff --git a/gnu/packages/patches/sioyek-fix-build.patch b/gnu/packages/patches/sioyek-fix-build.patch
new file mode 100644
index 0000000000..521b361f2a
--- /dev/null
+++ b/gnu/packages/patches/sioyek-fix-build.patch
@@ -0,0 +1,82 @@
+Patch fetched from https://git.alpinelinux.org/aports/tree/community/sioyek/mupdf-0.23.0.patch
+
+From 86e913eccf19b97a16f25d9b6cdf0f50232f1226 Mon Sep 17 00:00:00 2001
+From: ptrcnull <git@ptrcnull.me>
+Date: Fri, 25 Aug 2023 22:44:26 +0200
+Subject: community/sioyek: fix build with mupdf-0.23.0
+
+---
+
+diff --git a/pdf_viewer/document_view.cpp b/pdf_viewer/document_view.cpp
+index f48d05e..0bc3855 100644
+--- a/pdf_viewer/document_view.cpp
++++ b/pdf_viewer/document_view.cpp
+@@ -1121,7 +1121,7 @@ std::vector<DocumentPos> DocumentView::find_line_definitions() {
+
+ 			std::optional<PdfLink> pdf_link = current_document->get_link_in_page_rect(get_center_page_number(), line_rects[line_index]);
+ 			if (pdf_link.has_value()) {
+-				auto parsed_uri = parse_uri(mupdf_context, pdf_link.value().uri);
++				auto parsed_uri = parse_uri(mupdf_context, current_document->doc, pdf_link.value().uri);
+ 				result.push_back({ parsed_uri.page - 1, parsed_uri.x, parsed_uri.y });
+ 				return result;
+ 			}
+diff --git a/pdf_viewer/main_widget.cpp b/pdf_viewer/main_widget.cpp
+index 19b568b..335a93f 100644
+--- a/pdf_viewer/main_widget.cpp
++++ b/pdf_viewer/main_widget.cpp
+@@ -170,7 +170,7 @@ void MainWidget::set_overview_position(int page, float offset) {
+
+ void MainWidget::set_overview_link(PdfLink link) {
+
+-    auto [page, offset_x, offset_y] = parse_uri(mupdf_context, link.uri);
++    auto [page, offset_x, offset_y] = parse_uri(mupdf_context, doc()->doc, link.uri);
+     if (page >= 1) {
+         set_overview_position(page - 1, offset_y);
+     }
+@@ -3178,7 +3178,7 @@ void MainWidget::handle_pending_text_command(std::wstring text) {
+ 					open_web_url(utf8_decode(selected_link->uri));
+                 }
+                 else{
+-					auto [page, offset_x, offset_y] = parse_uri(mupdf_context, selected_link->uri);
++					auto [page, offset_x, offset_y] = parse_uri(mupdf_context, doc()->doc, selected_link->uri);
+ 					long_jump_to_destination(page-1, offset_y);
+                 }
+             }
+@@ -3863,7 +3863,7 @@ void MainWidget::handle_link_click(const PdfLink& link) {
+ 		return;
+ 	}
+
+-	auto [page, offset_x, offset_y] = parse_uri(mupdf_context, link.uri);
++	auto [page, offset_x, offset_y] = parse_uri(mupdf_context, doc()->doc, link.uri);
+
+ 	// convert one indexed page to zero indexed page
+ 	page--;
+diff --git a/pdf_viewer/utils.cpp b/pdf_viewer/utils.cpp
+index 22d4265..3150e66 100644
+--- a/pdf_viewer/utils.cpp
++++ b/pdf_viewer/utils.cpp
+@@ -116,8 +116,9 @@ bool rects_intersect(fz_rect rect1, fz_rect rect2) {
+ 	return range_intersects(rect1.x0, rect1.x1, rect2.x0, rect2.x1) && range_intersects(rect1.y0, rect1.y1, rect2.y0, rect2.y1);
+ }
+
+-ParsedUri parse_uri(fz_context* mupdf_context, std::string uri) {
+-	fz_link_dest dest = pdf_parse_link_uri(mupdf_context, uri.c_str());
++ParsedUri parse_uri(fz_context* mupdf_context, fz_document* fz_doc, std::string uri) {
++	pdf_document* doc = pdf_document_from_fz_document(mupdf_context, fz_doc);
++	fz_link_dest dest = pdf_resolve_link_dest(mupdf_context, doc, uri.c_str());
+ 	return { dest.loc.page + 1, dest.x, dest.y };
+ }
+
+diff --git a/pdf_viewer/utils.h b/pdf_viewer/utils.h
+index 2a12211..643b030 100644
+--- a/pdf_viewer/utils.h
++++ b/pdf_viewer/utils.h
+@@ -55,7 +55,7 @@ void get_flat_toc(const std::vector<TocNode*>& roots, std::vector<std::wstring>&
+ int mod(int a, int b);
+ bool range_intersects(float range1_start, float range1_end, float range2_start, float range2_end);
+ bool rects_intersect(fz_rect rect1, fz_rect rect2);
+-ParsedUri parse_uri(fz_context* mupdf_context, std::string uri);
++ParsedUri parse_uri(fz_context* mupdf_context, fz_document* fz_doc, std::string uri);
+ char get_symbol(int key, bool is_shift_pressed, const std::vector<char>&special_symbols);
+
+ template<typename T>