Add page labels
This commit is contained in:
43
src/lib.rs
43
src/lib.rs
@@ -2,6 +2,7 @@ use std::{
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cmp::{max, min},
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ffi::{CStr, CString, OsStr, c_void},
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fs,
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hash::Hash,
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os::unix::ffi::OsStrExt,
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path::Path,
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ptr::{self, NonNull},
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@@ -11,7 +12,7 @@ use std::{
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use ::typst::{
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Document,
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layout::{Abs, FrameItem, Page, Point, Rect},
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model::Destination,
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model::{Destination, Numbering, NumberingPattern},
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text::{Glyph, TextItem},
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};
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use cairo::{Format, ImageSurface};
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@@ -19,7 +20,16 @@ use cairo::{Format, ImageSurface};
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use crate::{
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typst::FrameItemIterator,
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zathura::{
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cairo_t, girara_list_t, zathura_document_get_data, zathura_document_get_path, zathura_document_s, zathura_document_set_data, zathura_document_set_number_of_pages, zathura_link_destination_type_e_ZATHURA_LINK_DESTINATION_UNKNOWN, zathura_link_destination_type_e_ZATHURA_LINK_DESTINATION_XYZ, zathura_link_free, zathura_link_new, zathura_link_target_s, zathura_link_type_e_ZATHURA_LINK_GOTO_DEST, zathura_link_type_e_ZATHURA_LINK_GOTO_REMOTE, zathura_link_type_e_ZATHURA_LINK_URI, zathura_page_get_document, zathura_page_get_index, zathura_page_set_data, zathura_page_set_height, zathura_page_set_width, zathura_page_t, zathura_rectangle_s, GiraraList, ZathuraResult
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GiraraList, ZathuraResult, cairo_t, girara_list_t, zathura_document_get_data,
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zathura_document_get_path, zathura_document_s, zathura_document_set_data,
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zathura_document_set_number_of_pages,
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zathura_link_destination_type_e_ZATHURA_LINK_DESTINATION_UNKNOWN,
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zathura_link_destination_type_e_ZATHURA_LINK_DESTINATION_XYZ, zathura_link_free,
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zathura_link_new, zathura_link_target_s, zathura_link_type_e_ZATHURA_LINK_GOTO_DEST,
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zathura_link_type_e_ZATHURA_LINK_GOTO_REMOTE, zathura_link_type_e_ZATHURA_LINK_URI,
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zathura_page_get_document, zathura_page_get_index, zathura_page_set_data,
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zathura_page_set_height, zathura_page_set_width, zathura_page_t, zathura_plugin_error_e,
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zathura_rectangle_s,
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},
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};
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@@ -55,7 +65,7 @@ pub static zathura_plugin_6_7: zathura::zathura_plugin_definition_s =
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page_get_text: Some(page_get_text),
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page_get_selection: Some(page_get_selection),
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page_render_cairo: Some(page_render_cairo),
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page_get_label: None,
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page_get_label: Some(page_get_label),
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page_get_signatures: None,
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},
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mime_types_size: 1,
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@@ -414,7 +424,7 @@ unsafe extern "C" fn page_links_get(
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},
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)
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}
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};
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};
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unsafe { zathura_link_new(ty, rect.into(), target) }
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});
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@@ -426,5 +436,30 @@ unsafe extern "C" fn page_links_get(
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}
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}
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unsafe extern "C" fn page_get_label(
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zpage: *mut zathura_page_t,
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page: *mut c_void,
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out: *mut *mut i8,
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) -> ZathuraResult {
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let doc = unsafe {
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&mut *(zathura_document_get_data(zathura_page_get_document(zpage)) as *mut TypstDocument)
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};
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let page = unsafe { &*(page as *mut Page) };
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let numbering = match page.numbering.clone() {
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Some(Numbering::Pattern(numbering)) => numbering,
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_ => "1".parse().expect("1 is a valid numbering style"),
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};
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let label = numbering.apply(&[page.number]);
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let label = doc
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.cstring_cache
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.entry(label.to_string())
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.or_insert_with_key(|k| CString::new(k.to_owned()).expect("It's a string"))
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.as_ptr();
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unsafe { out.write(label as _) };
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ZathuraResult::OK
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}
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// TODO: render warnings
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// TODO: better caching
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