rofi/include/theme.h

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/*
* rofi
*
* MIT/X11 License
* Copyright © 2013-2017 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
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#ifndef THEME_H
#define THEME_H
#include <glib.h>
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#include <cairo.h>
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#include <widgets/widget.h>
#include "rofi-types.h"
/**
* ThemeWidget.
*/
typedef struct ThemeWidget
{
int set;
char *name;
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unsigned int num_widgets;
struct ThemeWidget **widgets;
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GHashTable *properties;
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struct ThemeWidget *parent;
} ThemeWidget;
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/**
* Global pointer to the current active theme.
*/
extern ThemeWidget *rofi_theme;
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/**
* @param base Handle to the current level in the theme.
* @param name Name of the new element.
*
* Create a new element in the theme structure.
*
* @returns handle to the new entry.
*/
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ThemeWidget *rofi_theme_find_or_create_name ( ThemeWidget *base, const char *name );
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/**
* @param widget The widget handle.
*
* Print out the widget to the commandline.
*/
void rofi_theme_print ( ThemeWidget *widget );
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/**
* @param type The type of the property to create.
*
* Create a theme property of type.
*
* @returns a new property.
*/
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Property *rofi_theme_property_create ( PropertyType type );
/**
* @param p The property to free.
*
* Free the content of the property.
*/
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void rofi_theme_property_free ( Property *p );
/**
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* @param widget
*
* Free the widget and alll children.
*/
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void rofi_theme_free ( ThemeWidget *widget );
/**
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* @param file filename to parse.
*
* Parse the input theme file.
*
* @returns returns TRUE when error.
*/
gboolean rofi_theme_parse_file ( const char *file );
/**
* @param string to parse.
*
* Parse the input string in addition to theme file.
*
* @returns returns TRUE when error.
*/
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gboolean rofi_theme_parse_string ( const char *string );
/**
* @param widget The widget handle.
* @param table HashTable containing properties set.
*
* Merge properties with widgets current property.
*/
void rofi_theme_widget_add_properties ( ThemeWidget *widget, GHashTable *table );
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/**
* Public API
*/
/**
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* @param widget The widget to query
* @param property The property to query.
* @param def The default value.
*
* Obtain the distance of the widget.
*
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* @returns The distance value of this property for this widget.
*/
RofiDistance rofi_theme_get_distance ( const widget *widget, const char *property, int def );
/**
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* @param widget The widget to query
* @param property The property to query.
* @param def The default value.
*
* Obtain the integer of the widget.
*
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* @returns The integer value of this property for this widget.
*/
int rofi_theme_get_integer ( const widget *widget, const char *property, int def );
/**
* @param widget The widget to query
* @param property The property to query.
* @param def The default value.
*
* Obtain the position of the widget.
*
* @returns The position value of this property for this widget.
*/
int rofi_theme_get_position ( const widget *widget, const char *property, int def );
/**
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* @param widget The widget to query
* @param property The property to query.
* @param def The default value.
*
* Obtain the boolean of the widget.
*
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* @returns The boolean value of this property for this widget.
*/
int rofi_theme_get_boolean ( const widget *widget, const char *property, int def );
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/**
* @param widget The widget to query
* @param property The property to query.
* @param def The default value.
*
* Obtain the orientation indicated by %property of the widget.
*
* @returns The orientation of this property for this widget or %def not found.
*/
RofiOrientation rofi_theme_get_orientation ( const widget *widget, const char *property, RofiOrientation def );
/**
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* @param widget The widget to query
* @param property The property to query.
* @param def The default value.
*
* Obtain the string of the widget.
*
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* @returns The string value of this property for this widget.
*/
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const char *rofi_theme_get_string ( const widget *widget, const char *property, const char *def );
/**
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* @param widget The widget to query
* @param property The property to query.
* @param def The default value.
*
* Obtain the double of the widget.
*
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* @returns The double value of this property for this widget.
*/
double rofi_theme_get_double ( const widget *widget, const char *property, double def );
/**
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* @param widget The widget to query
* @param property The property to query.
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* @param d The drawable to apply color.
*
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* Obtain the color of the widget and applies this to the drawable d.
*
*/
void rofi_theme_get_color ( const widget *widget, const char *property, cairo_t *d );
/**
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* @param widget The widget to query
* @param property The property to query.
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* @param pad The default value.
*
* Obtain the padding of the widget.
*
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* @returns The padding of this property for this widget.
*/
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RofiPadding rofi_theme_get_padding ( const widget *widget, const char *property, RofiPadding pad );
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/**
* @param widget The widget to query
* @param property The property to query.
* @param th The default value.
*
* Obtain the highlight .
*
* @returns The highlight of this property for this widget.
*/
RofiHighlightColorStyle rofi_theme_get_highlight ( widget *widget, const char *property, RofiHighlightColorStyle th );
/**
* @param d The distance handle.
* @param ori The orientation.
*
* Convert RofiDistance into pixels.
* @returns the number of pixels this distance represents.
*/
int distance_get_pixel ( RofiDistance d, RofiOrientation ori );
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/**
* @param d The distance handle.
* @param draw The cairo drawable.
*
* Set linestyle.
*/
void distance_get_linestyle ( RofiDistance d, cairo_t *draw );
/**
* Low-level functions.
* These can be used by non-widgets to obtain values.
*/
/**
* @param name The name of the element to find.
* @param state The state of the element.
* @param exact If the match should be exact, or parent can be included.
*
* Find the theme element. If not exact, the closest specified element is returned.
*
* @returns the ThemeWidget if found, otherwise NULL.
*/
ThemeWidget *rofi_theme_find_widget ( const char *name, const char *state, gboolean exact );
/**
* @param widget The widget to find the property on.
* @param type The %PropertyType to find.
* @param property The property to find.
* @param exact If the property should only be found on this widget, or on parents if not found.
*
* Find the property on the widget. If not exact, the parents are searched recursively until match is found.
*
* @returns the Property if found, otherwise NULL.
*/
Property *rofi_theme_find_property ( ThemeWidget *widget, PropertyType type, const char *property, gboolean exact );
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GList *rofi_theme_get_list ( const widget *widget, const char * property, const char *defaults );
/**
* Checks if a theme is set, or is empty.
* @returns TRUE when empty.
*/
gboolean rofi_theme_is_empty ( void );
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#ifdef THEME_CONVERTER
/**
* Convert old theme colors into default one.
*/
void rofi_theme_convert_old ( void );
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#endif
/**
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* @param file File name passed to option.
*
* @returns path to theme or copy of filename if not found.
*/
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char *helper_get_theme_path ( const char *file );
/**
* @param file File name to prepare.
* @param parent_file Filename of parent file.
*
* Tries to find full path relative to parent file.
*
* @returns full path to file.
*/
char * rofi_theme_parse_prepare_file ( const char *file, const char *parent_file );
#endif