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82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
/* See LICENSE file for license and copyright information */
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#ifndef UTILS_H
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#define UTILS_H
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#include <stdbool.h>
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#include <gtk/gtk.h>
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#include <girara.h>
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#include "document.h"
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typedef struct page_offset_s
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{
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int x;
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int y;
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} page_offset_t;
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/**
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* Checks if the given file exists
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*
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* @param path Path to the file
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* @return true if the file exists, otherwise false
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*/
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bool file_exists(const char* path);
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/**
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* Returns the file extension of a path
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*
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* @param path Path to the file
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* @return The file extension or NULL
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*/
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const char* file_get_extension(const char* path);
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/**
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* Executes a system command and saves its output into output
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*
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* @param argv The command
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* @param output Pointer where the output will be saved
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* @return true if no error occured, otherwise false
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*/
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bool execute_command(char* const argv[], char** output);
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/**
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* Creates a blank page
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*
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* @param width The width of the page
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* @param height The height of the page
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* @return The widget of the page or NULL if an error occured
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*/
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GtkWidget* page_blank(unsigned int width, unsigned int height);
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/**
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* Generates the document index based upon the list retreived from the document
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* object.
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*
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* @param model The tree model
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* @param tree_it The Tree iterator
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* @param list_it The index list iterator
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*/
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void document_index_build(GtkTreeModel* model, GtkTreeIter* parent, girara_tree_node_t* tree);
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/**
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* This function is used to concatenate multiple strings. Argument list has to
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* be ended with NULL. Returned string has to be freed with free().
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*
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* @param string1 First string
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* @param ... Additional strings
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* @return Concatenated string or NULL if an error occured
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*/
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char* string_concat(const char* string1, ...);
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/**
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* Calculates the offset of the page to the top of the viewing area as
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* well as to the left side of it. The result has to be freed.
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*
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* @param page The Page
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* @return The calculated offset or NULL if an error occured
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*/
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page_offset_t* page_calculate_offset(zathura_page_t* page);
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#endif // UTILS_H
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