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111 lines
2.9 KiB
C
111 lines
2.9 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/types.h>
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#include "document.h"
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#define LENGTH(x) (sizeof(x)/sizeof((x)[0]))
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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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* This function checks if the file has a valid extension. A extension is
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* evaluated as valid if it matches a supported filetype.
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*
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* @param zathura Zathura object
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* @param path The path to the file
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* @return true if the extension is valid, otherwise false
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*/
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bool file_valid_extension(zathura_t* zathura, const char* path);
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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 parent The tree iterator parent
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* @param tree The Tree 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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* Rotate a rectangle by 0, 90, 180 or 270 degree
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*
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* @param rectangle the rectangle to rotate
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* @param degree rotation degree
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* @param height the height of the enclosing rectangle
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* @param width the width of the enclosing rectangle
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* @return the rotated rectangle
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*/
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zathura_rectangle_t rotate_rectangle(zathura_rectangle_t rectangle, unsigned int degree, double height, double width);
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/**
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* Calculates the new coordinates based on the rotation and scale level of the
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* document for the given rectangle
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*
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* @param page Page where the rectangle should be
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* @param rectangle The rectangle
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* @return New rectangle
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*/
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zathura_rectangle_t recalc_rectangle(zathura_page_t* page, zathura_rectangle_t rectangle);
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/**
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* Returns the page widget of the page
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*
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* @param zathura The zathura instance
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* @param page The page object
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* @return The page widget of the page
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* @return NULL if an error occured
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*/
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GtkWidget* zathura_page_get_widget(zathura_t* zathura, zathura_page_t* page);
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/**
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* Set if the search results should be drawn or not
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*
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* @param zathura Zathura instance
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* @param value true if they should be drawn, otherwise false
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*/
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void document_draw_search_results(zathura_t* zathura, bool value);
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/**
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* Create zathura version string
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*
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* @param zathura The zathura instance
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* @param markup Enable markup
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* @return Version string
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*/
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char* zathura_get_version_string(zathura_t* zathura, bool markup);
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/**
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* Get a pointer to the GdkAtom of the current clipboard.
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*
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* @param zathura The zathura instance
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*
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* @return A pointer to a GdkAtom object correspoinding to the current
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* clipboard, or NULL.
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*/
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GdkAtom* get_selection(zathura_t* zathura);
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/**
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* Returns the valid scale value which needs to lie in the interval of zoom_min
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* and zoom_max specified in the girara session
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*
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* @param[in] session The session
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* @param[in] scale The proposed scale value
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*
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* @return The corrected scale value
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*/
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double zathura_correct_scale_value(girara_session_t* session, const double
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scale);
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#endif // UTILS_H
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