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https://github.com/lbonn/rofi
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c10ee955bd
* [I1437] Textbox make get_desired_width depend on width. Should fix some weird sizing issues on creation of widgest. * [i1437] [View] Do the sizing based on the desired window width. issue: #1437 * [i1437] Fix header documentation.
340 lines
8.7 KiB
C
340 lines
8.7 KiB
C
/*
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* rofi
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*
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* MIT/X11 License
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* Copyright © 2013-2017 Qball Cow <qball@gmpclient.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef ROFI_TEXTBOX_H
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#define ROFI_TEXTBOX_H
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#include "keyb.h"
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#include "widgets/widget-internal.h"
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#include "widgets/widget.h"
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#include <cairo.h>
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#include <pango/pango-fontmap.h>
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#include <pango/pango.h>
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#include <pango/pangocairo.h>
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#include <xkbcommon/xkbcommon.h>
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/**
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* @defgroup Textbox Textbox
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* @ingroup widget
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*
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* @{
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*/
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/** Cache to hold font descriptions. This it to avoid having to lookup each
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* time. */
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typedef struct TBFontConfig {
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/** Font description */
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PangoFontDescription *pfd;
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/** Font metrics */
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PangoFontMetrics *metrics;
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/** height */
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double height;
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} TBFontConfig;
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/**
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* Internal structure of a textbox widget.
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* TODO make this internal to textbox
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*/
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typedef struct {
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widget widget;
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unsigned long flags;
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short cursor;
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char *text;
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const char *placeholder;
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int show_placeholder;
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PangoLayout *layout;
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int tbft;
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int markup;
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int changed;
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int blink;
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guint blink_timeout;
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double yalign;
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double xalign;
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TBFontConfig *tbfc;
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PangoEllipsizeMode emode;
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//
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const char *theme_name;
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} textbox;
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/**
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* Flags for configuring textbox behaviour and looks during creation.
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*/
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typedef enum {
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TB_AUTOHEIGHT = 1 << 0,
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TB_AUTOWIDTH = 1 << 1,
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TB_EDITABLE = 1 << 19,
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TB_MARKUP = 1 << 20,
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TB_WRAP = 1 << 21,
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TB_PASSWORD = 1 << 22,
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TB_INDICATOR = 1 << 23,
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} TextboxFlags;
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/**
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* Flags indicating current state of the textbox.
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*/
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typedef enum {
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/** Normal */
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NORMAL = 0,
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/** Text in box is urgent. */
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URGENT = 1,
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/** Text in box is active. */
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ACTIVE = 2,
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/** Text in box is selected. */
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SELECTED = 4,
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/** Text in box has pango markup. */
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MARKUP = 8,
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/** Text is on an alternate row */
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ALT = 16,
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/** Render font highlighted (inverted colors.) */
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HIGHLIGHT = 32,
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/** Mask for alternate and highlighted */
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FMOD_MASK = (ALT | HIGHLIGHT),
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/** Mask of bits indicating state */
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STATE_MASK = ~(SELECTED | MARKUP | ALT | HIGHLIGHT)
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} TextBoxFontType;
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/**
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* @param parent The widget's parent.
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* @param type The type of the to be created widget.
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* @param name The name of the to be created widget.
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* @param flags #TextboxFlags indicating the type of textbox.
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* @param tbft #TextBoxFontType current state of textbox.
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* @param text initial text to display.
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* @param xalign Set the Xalign value.
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* @param yalign set the yalign value.
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*
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* Create a new textbox widget.
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*
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* free with #widget_free
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* @returns a new #textbox
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*/
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textbox *textbox_create(widget *parent, WidgetType type, const char *name,
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TextboxFlags flags, TextBoxFontType tbft,
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const char *text, double xalign, double yalign);
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/**
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* @param tb Handle to the textbox
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* @param tbft The style of font to render.
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*
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* Set the font render style.
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*/
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void textbox_font(textbox *tb, TextBoxFontType tbft);
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/**
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* @param tb Handle to the textbox
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* @param text The text to show in the textbox
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*
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* Set the text to show. Cursor is moved to end (if visible)
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*/
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void textbox_text(textbox *tb, const char *text);
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/**
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* @param tb Handle to the textbox
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* @param action the #KeyBindingAction to execute on textbox
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*
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* Execute an action on the textbox.
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*
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* @return TRUE if action was taken.
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*/
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int textbox_keybinding(textbox *tb, KeyBindingAction action);
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/**
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* @param tb Handle to the textbox
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* @param pad The text to insert
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* @param pad_len the length of the text
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*
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* The text should be one insert from a keypress.. the first gunichar is
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* validated to be (or not) control return TRUE if inserted
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*/
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gboolean textbox_append_text(textbox *tb, const char *pad, const int pad_len);
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/**
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* @param tb Handle to the textbox
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* @param pos New cursor position
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*
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* Set the cursor position (string index)
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*/
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void textbox_cursor(textbox *tb, int pos);
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/**
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* @param tb Handle to the textbox
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* @param char_pos The position to insert the string at
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* @param str The string to insert.
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* @param slen The length of the string.
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*
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* Insert the string str at position pos.
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*/
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void textbox_insert(textbox *tb, const int char_pos, const char *str,
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const int slen);
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/**
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* Setup the cached fonts. This is required to do
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* before any of the textbox_ functions is called.
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* Clean with textbox_cleanup()
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*/
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void textbox_setup(void);
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/**
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* Cleanup the allocated colors and fonts by textbox_setup().
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*/
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void textbox_cleanup(void);
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/**
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* @param tb Handle to the textbox
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*
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* Get the height of the textbox
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*
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* @returns the height of the textbox in pixels.
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*/
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int textbox_get_height(const textbox *tb);
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/**
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* @param tb Handle to the textbox
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*
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* Get the height of the rendered string.
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*
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* @returns the height of the string in pixels.
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*/
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int textbox_get_font_height(const textbox *tb);
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/**
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* @param tb Handle to the textbox
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*
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* Get the width of the rendered string.
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*
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* @returns the width of the string in pixels.
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*/
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int textbox_get_font_width(const textbox *tb);
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/**
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* Estimate the width of a character.
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*
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* @returns the width of a character in pixels.
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*/
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double textbox_get_estimated_char_width(void);
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/**
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* Estimate the width of a 0.
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*
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* @returns the width of a 0 in pixels.
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*/
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double textbox_get_estimated_ch(void);
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/**
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* Estimate the height of a character.
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*
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* @returns the height of a character in pixels.
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*/
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double textbox_get_estimated_char_height(void);
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/**
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* @param tb Handle to the textbox
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* @param pos The start position
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* @param dlen The length
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*
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* Remove dlen bytes from position pos.
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*/
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void textbox_delete(textbox *tb, int pos, int dlen);
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/**
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* @param tb Handle to the textbox
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* @param x The new horizontal position to place with textbox
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* @param y The new vertical position to place with textbox
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* @param w The new width of the textbox
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* @param h The new height of the textbox
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*
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* Move and resize the textbox.
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* TODO remove for #widget_resize and #widget_move
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*/
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void textbox_moveresize(textbox *tb, int x, int y, int w, int h);
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/**
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* @param tb Handle to the textbox
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* @param eh The number of rows to display
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*
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* Get the (estimated) with of a character, can be used to calculate window
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* width. This includes padding.
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*
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* @returns the estimated width of a character.
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*/
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int textbox_get_estimated_height(const textbox *tb, int eh);
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/**
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* @param font The name of the font used.
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* @param p The new default PangoContext
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*
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* Set the default pango context (with font description) for all textboxes.
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*/
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void textbox_set_pango_context(const char *font, PangoContext *p);
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/**
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* @param tb Handle to the textbox
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* @param list New pango attributes
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*
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* Sets list as active pango attributes.
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*/
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void textbox_set_pango_attributes(textbox *tb, PangoAttrList *list);
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/**
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* @param tb Handle to the textbox
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*
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* Get the list of currently active pango attributes.
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*
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* @returns the pango attributes
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*/
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PangoAttrList *textbox_get_pango_attributes(textbox *tb);
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/**
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* @param tb Handle to the textbox
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*
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* @returns the visible text.
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*/
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const char *textbox_get_visible_text(const textbox *tb);
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/**
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* @param wid The handle to the textbox.
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* @param height The height we want the desired width for
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*
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* TODO: is this deprecated by widget::get_desired_width
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*
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* @returns the desired width of the textbox.
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*/
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int textbox_get_desired_width(widget *wid, const int height);
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/**
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* @param tb Handle to the textbox
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*
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* Move the cursor to the end of the string.
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*/
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void textbox_cursor_end(textbox *tb);
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/**
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* @param tb Handle to the textbox
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* @param mode The PangoEllipsizeMode to use displaying the text in the textbox
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*
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* Set the ellipsizing mode used on the string.
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*/
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void textbox_set_ellipsize(textbox *tb, PangoEllipsizeMode mode);
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/**@}*/
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#endif // ROFI_TEXTBOX_H
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