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#ifndef ROFI_TEXTBOX_H
#define ROFI_TEXTBOX_H
#include <xkbcommon/xkbcommon.h>
#include <pango/pango.h>
#include <pango/pango-fontmap.h>
#include <pango/pangocairo.h>
#include <cairo.h>
#include "widgets/widget.h"
#include "widgets/widget-internal.h"
#include "x11-helper.h"
#include "keyb.h"
/**
* @defgroup Textbox Textbox
* @ingroup widget
*
* @{
*/
/**
* Internal structure of a textbox widget.
* TODO make this internal to textbox
*/
typedef struct
{
widget widget;
unsigned long flags;
short cursor;
char *text;
PangoLayout *layout;
int tbft;
int markup;
int changed;
int blink;
guint blink_timeout;
PangoFontMetrics *metrics;
//
const char *theme_name;
} textbox;
/**
* Flags for configuring textbox behaviour and looks during creation.
*/
typedef enum
{
TB_AUTOHEIGHT = 1 << 0,
TB_AUTOWIDTH = 1 << 1,
TB_LEFT = 1 << 16,
TB_RIGHT = 1 << 17,
TB_CENTER = 1 << 18,
TB_EDITABLE = 1 << 19,
TB_MARKUP = 1 << 20,
TB_WRAP = 1 << 21,
TB_PASSWORD = 1 << 22,
TB_INDICATOR = 1 << 23,
} TextboxFlags;
/**
* Flags indicating current state of the textbox.
*/
typedef enum
{
/** Normal */
NORMAL = 0,
/** Text in box is urgent. */
URGENT = 1,
/** Text in box is active. */
ACTIVE = 2,
/** Text in box is selected. */
SELECTED = 4,
/** Text in box has pango markup. */
MARKUP = 8,
/** Text is on an alternate row */
ALT = 16,
/** Render font highlighted (inverted colors.) */
HIGHLIGHT = 32,
/** Mask for alternate and highlighted */
FMOD_MASK = ( ALT | HIGHLIGHT ),
/** Mask of bits indicating state */
STATE_MASK = ~( SELECTED | MARKUP | ALT | HIGHLIGHT )
} TextBoxFontType;
/**
* @param name The name of the to be created widget.
* @param flags #TextboxFlags indicating the type of textbox.
* @param tbft #TextBoxFontType current state of textbox.
* @param text intial text to display.
*
* Create a new textbox widget.
*
* free with #widget_free
* @returns a new #textbox
*/
textbox* textbox_create ( const char *name, TextboxFlags flags,
TextBoxFontType tbft,
const char *text );
/**
* @param tb Handle to the textbox
* @param tbft The style of font to render.
*
* Set the font render style.
*/
void textbox_font ( textbox *tb, TextBoxFontType tbft );
/**
* @param tb Handle to the textbox
* @param text The text to show in the textbox
*
* Set the text to show. Cursor is moved to end (if visible)
*/
void textbox_text ( textbox *tb, const char *text );
/**
* @param tb Handle to the textbox
* @param action the #KeyBindingAction to execute on textbox
*
* Execute an action on the textbox.
*
* @return TRUE if action was taken.
*/
int textbox_keybinding ( textbox *tb, KeyBindingAction action );
/**
* @param tb Handle to the textbox
* @param pad The text to insert
* @param pad_len the length of the text
*
* The text should be one insert from a keypress.. the first gunichar is validated to be (or not) control
* return TRUE if inserted
*/
gboolean textbox_append_char ( textbox *tb, const char *pad, const int pad_len );
/**
* @param tb Handle to the textbox
* @param pos New cursor position
*
* Set the cursor position (string index)
*/
void textbox_cursor ( textbox *tb, int pos );
/**
* @param tb Handle to the textbox
* @param pos The position to insert the string at
* @param str The string to insert.
* @param slen The length of the string.
*
* Insert the string str at position pos.
*/
void textbox_insert ( textbox *tb, const int pos, const char *str, const int slen );
/**
* Setup the cached fonts. This is required to do
* before any of the textbox_ functions is called.
* Clean with textbox_cleanup()
*/
void textbox_setup ( void );
/**
* Cleanup the allocated colors and fonts by textbox_setup().
*/
void textbox_cleanup ( void );
/**
* @param tb Handle to the textbox
*
* Get the height of the textbox
*
* @returns the height of the textbox in pixels.
*/
int textbox_get_height ( const textbox *tb );
/**
* @param tb Handle to the textbox
*
* Get the height of the rendered string.
*
* @returns the height of the string in pixels.
*/
int textbox_get_font_height ( const textbox *tb );
/**
* @param tb Handle to the textbox
*
* Get the width of the rendered string.
*
* @returns the width of the string in pixels.
*/
int textbox_get_font_width ( const textbox *tb );
/**
* Estimate the width of a character.
*
* @returns the width of a character in pixels.
*/
double textbox_get_estimated_char_width ( void );
/**
* Estimate the height of a character.
*
* @returns the height of a character in pixels.
*/
double textbox_get_estimated_char_height ( void );
/**
* @param tb Handle to the textbox
* @param pos The start position
* @param dlen The length
*
* Remove dlen bytes from position pos.
*/
void textbox_delete ( textbox *tb, int pos, int dlen );
/**
* @param tb Handle to the textbox
* @param x The new horizontal position to place with textbox
* @param y The new vertical position to place with textbox
* @param w The new width of the textbox
* @param h The new height of the textbox
*
* Move and resize the textbox.
* TODO remove for #widget_resize and #widget_move
*/
void textbox_moveresize ( textbox *tb, int x, int y, int w, int h );
/**
* @param tb Handle to the textbox
* @param eh The number of rows to display
*
* Get the (estimated) with of a character, can be used to calculate window width.
* This includes padding.
*
* @returns the estimated width of a character.
*/
int textbox_get_estimated_height ( const textbox *tb, int eh );
/**
* @param font The name of the font used.
* @param p The new default PangoContext
*
* Set the default pango context (with font description) for all textboxes.
*/
void textbox_set_pango_context ( const char *font, PangoContext *p );
/**
* @param tb Handle to the textbox
* @param list New pango attributes
*
* Sets list as active pango attributes.
*/
void textbox_set_pango_attributes ( textbox *tb, PangoAttrList *list );
/**
* @param tb Handle to the textbox
*
* Get the list of currently active pango attributes.
*
* @returns the pango attributes
*/
PangoAttrList *textbox_get_pango_attributes ( textbox *tb );
/**
* @param tb Handle to the textbox
*
* @returns the visible text.
*/
const char *textbox_get_visible_text ( const textbox *tb );
/*@}*/
#endif //ROFI_TEXTBOX_H
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