Set page

shortcuts.c

@@ -72,6 +72,22 @@ sc_goto(girara_session_t* session, girara_argument_t* argument)
 bool
 sc_navigate(girara_session_t* session, girara_argument_t* argument)
 {
+  if(!session || !argument || !Zathura.document) {
+    return false;
+  }
+
+  unsigned int number_of_pages = Zathura.document->number_of_pages;
+  unsigned int new_page        = Zathura.document->current_page_number;
+
+  if(argument->n == NEXT) {
+    new_page = (new_page + 1) % number_of_pages;
+  }
+  else if(argument->n == PREVIOUS) {
+    new_page = (new_page + number_of_pages - 1) % number_of_pages;
+  }
+
+  page_set(new_page);
+
   return false;
 }
 

zathura.c

@@ -51,6 +51,60 @@ init_zathura()
   return true;
 }
 
+bool
+document_open(const char* path, const char* password)
+{
+  if(!path) {
+    return false;
+  }
+
+  zathura_document_t* document = zathura_document_open(path, password);
+
+  if(!document) {
+    return false;
+  }
+
+  Zathura.document = document;
+
+  if(!page_set(0)) {
+    return false;
+  }
+
+  return true;
+}
+
+bool
+document_close()
+{
+  if(!Zathura.document) {
+    return false;
+  }
+
+  zathura_document_free(Zathura.document);
+
+  return true;
+}
+
+bool
+page_set(unsigned int page_id)
+{
+  if(!Zathura.document) {
+    return false;
+  }
+
+  if(page_id >= Zathura.document->number_of_pages) {
+    return false;
+  }
+
+  Zathura.document->current_page_number = page_id;
+
+  char* page_number = g_strdup_printf("[%d/%d]", page_id + 1, Zathura.document->number_of_pages);
+  girara_statusbar_item_set_text(Zathura.UI.session, Zathura.UI.statusbar.page_number, page_number);
+  g_free(page_number);
+
+  return true;
+}
+
 /* main function */
 int main(int argc, char* argv[])
 {
@@ -64,21 +118,10 @@ int main(int argc, char* argv[])
   }
 
   if(argc > 1) {
-    zathura_document_t* document = zathura_document_open(argv[1], NULL);
-
-    if(!document) {
+    if(!document_open(argv[1], NULL)) {
+      printf("error: could not open document\n");
       return -1;
     }
-
-    zathura_page_t* page = zathura_page_get(document, 0);
-
-    if(!page) {
-      zathura_document_free(document);
-      return -2;
-    }
-
-    zathura_page_free(page);
-    zathura_document_free(document);
   }
 
   gdk_threads_enter();

zathura.h

@@ -6,6 +6,8 @@
 #include <stdbool.h>
 #include <girara.h>
 
+#include "ft/document.h"
+
 enum { NEXT, PREVIOUS, LEFT, RIGHT, UP, DOWN, BOTTOM, TOP, HIDE, HIGHLIGHT,
   DELETE_LAST_WORD, DELETE_LAST_CHAR, DEFAULT, ERROR, WARNING, NEXT_GROUP,
   PREVIOUS_GROUP, ZOOM_IN, ZOOM_OUT, ZOOM_ORIGINAL, ZOOM_SPECIFIC, FORWARD,
@@ -23,7 +25,7 @@ enum { NEXT, PREVIOUS, LEFT, RIGHT, UP, DOWN, BOTTOM, TOP, HIDE, HIGHLIGHT,
 
 struct
 {
-  struct 
+  struct
   {
     girara_session_t* session; /**> girara interface session */
 
@@ -34,6 +36,8 @@ struct
       girara_statusbar_item_t* page_number; /**> page number statusbar entry */
     } statusbar;
   } UI;
+
+  zathura_document_t* document; /**> The current document */
 } Zathura;
 
 /**
@@ -44,4 +48,28 @@ struct
 
 bool init_zathura();
 
+/**
+ * Opens a file
+ *
+ * @param path The path to the file
+ * @param password The password of the file
+ *
+ * @return If no error occured true, otherwise false, is returned.
+ */
+bool document_open(const char* path, const char* password);
+
+/**
+ * Closes the current opened document
+ *
+ * @return If no error occured true, otherwise false, is returned.
+ */
+bool document_close();
+
+/**
+ * Opens the page with the given number
+ *
+ * @return If no error occured true, otherwise false, is returned.
+ */
+bool page_set(unsigned int page_id);
+
 #endif // ZATHURA_H