1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218
// Take a look at the license at the top of the repository in the LICENSE file.
use crate::{prelude::*, EntryBuffer};
use glib::{translate::*, GString, IntoGStr, IntoOptionalGStr};
use libc::{c_int, c_uint};
impl EntryBuffer {
/// Create a new [`EntryBuffer`][crate::EntryBuffer] object.
///
/// Optionally, specify initial text to set in the buffer.
/// ## `initial_chars`
/// initial buffer text
/// ## `n_initial_chars`
/// number of characters in @initial_chars, or -1
///
/// # Returns
///
/// A new [`EntryBuffer`][crate::EntryBuffer] object.
#[doc(alias = "gtk_entry_buffer_new")]
pub fn new(initial_chars: impl IntoOptionalGStr) -> Self {
assert_initialized_main_thread!();
unsafe {
initial_chars.run_with_gstr(|initial_chars| {
from_glib_full(ffi::gtk_entry_buffer_new(
initial_chars.to_glib_none().0,
-1,
))
})
}
}
}
// rustdoc-stripper-ignore-next
/// Trait containing manually implemented methods of [`EntryBuffer`](crate::EntryBuffer).
pub trait EntryBufferExtManual: 'static {
/// Deletes a sequence of characters from the buffer.
///
/// @n_chars characters are deleted starting at @position.
/// If @n_chars is negative, then all characters until the
/// end of the text are deleted.
///
/// If @position or @n_chars are out of bounds, then they
/// are coerced to sane values.
///
/// Note that the positions are specified in characters,
/// not bytes.
/// ## `position`
/// position at which to delete text
/// ## `n_chars`
/// number of characters to delete
///
/// # Returns
///
/// The number of characters deleted.
#[doc(alias = "gtk_entry_buffer_delete_text")]
fn delete_text(&self, position: u16, n_chars: Option<u16>) -> u16;
/// Retrieves the length in bytes of the buffer.
///
/// See [`EntryBufferExtManual::length()`][crate::prelude::EntryBufferExtManual::length()].
///
/// # Returns
///
/// The byte length of the buffer.
#[doc(alias = "gtk_entry_buffer_get_bytes")]
#[doc(alias = "get_bytes")]
fn bytes(&self) -> usize;
/// Retrieves the length in characters of the buffer.
///
/// # Returns
///
/// The number of characters in the buffer.
#[doc(alias = "gtk_entry_buffer_get_length")]
#[doc(alias = "get_length")]
fn length(&self) -> u16;
/// Retrieves the maximum allowed length of the text in @self.
///
/// # Returns
///
/// the maximum allowed number of characters
/// in [`EntryBuffer`][crate::EntryBuffer], or 0 if there is no maximum.
#[doc(alias = "gtk_entry_buffer_get_max_length")]
#[doc(alias = "get_max_length")]
fn max_length(&self) -> Option<u16>;
/// Retrieves the contents of the buffer.
///
/// The memory pointer returned by this call will not change
/// unless this object emits a signal, or is finalized.
///
/// # Returns
///
/// a pointer to the contents of the widget as a
/// string. This string points to internally allocated storage
/// in the buffer and must not be freed, modified or stored.
#[doc(alias = "gtk_entry_buffer_get_text")]
#[doc(alias = "get_text")]
fn text(&self) -> GString;
/// Inserts @n_chars characters of @chars into the contents of the
/// buffer, at position @position.
///
/// If @n_chars is negative, then characters from chars will be inserted
/// until a null-terminator is found. If @position or @n_chars are out of
/// bounds, or the maximum buffer text length is exceeded, then they are
/// coerced to sane values.
///
/// Note that the position and length are in characters, not in bytes.
/// ## `position`
/// the position at which to insert text.
/// ## `chars`
/// the text to insert into the buffer.
/// ## `n_chars`
/// the length of the text in characters, or -1
///
/// # Returns
///
/// The number of characters actually inserted.
#[doc(alias = "gtk_entry_buffer_insert_text")]
fn insert_text(&self, position: u16, chars: impl IntoGStr) -> u16;
#[doc(alias = "gtk_entry_buffer_set_max_length")]
fn set_max_length(&self, max_length: Option<u16>);
#[doc(alias = "gtk_entry_buffer_set_text")]
fn set_text(&self, chars: impl IntoGStr);
}
macro_rules! to_u16 {
($e:expr) => (
{
let x = $e;
assert!(x as usize <= u16::max_value() as usize,
"Unexpected value exceeding `u16` range");
x as u16
}
)
}
impl<O: IsA<EntryBuffer>> EntryBufferExtManual for O {
fn delete_text(&self, position: u16, n_chars: Option<u16>) -> u16 {
unsafe {
to_u16!(ffi::gtk_entry_buffer_delete_text(
self.as_ref().to_glib_none().0,
position as c_uint,
n_chars.map(|n| n as c_int).unwrap_or(-1)
))
}
}
fn bytes(&self) -> usize {
unsafe { ffi::gtk_entry_buffer_get_bytes(self.as_ref().to_glib_none().0) as _ }
}
fn length(&self) -> u16 {
unsafe {
to_u16!(ffi::gtk_entry_buffer_get_length(
self.as_ref().to_glib_none().0
))
}
}
fn max_length(&self) -> Option<u16> {
unsafe {
match ffi::gtk_entry_buffer_get_max_length(self.as_ref().to_glib_none().0) {
0 => None,
x => Some(to_u16!(x)),
}
}
}
fn text(&self) -> GString {
unsafe {
from_glib_none(ffi::gtk_entry_buffer_get_text(
self.as_ref().to_glib_none().0,
))
}
}
fn insert_text(&self, position: u16, chars: impl IntoGStr) -> u16 {
unsafe {
chars.run_with_gstr(|chars| {
to_u16!(ffi::gtk_entry_buffer_insert_text(
self.as_ref().to_glib_none().0,
position as c_uint,
chars.as_ptr(),
-1
))
})
}
}
fn set_max_length(&self, max_length: Option<u16>) {
unsafe {
assert_ne!(max_length, Some(0), "Zero maximum length not supported");
ffi::gtk_entry_buffer_set_max_length(
self.as_ref().to_glib_none().0,
max_length.unwrap_or(0) as c_int,
);
}
}
fn set_text(&self, chars: impl IntoGStr) {
unsafe {
chars.run_with_gstr(|chars| {
ffi::gtk_entry_buffer_set_text(self.as_ref().to_glib_none().0, chars.as_ptr(), -1);
})
}
}
}
impl Default for EntryBuffer {
fn default() -> Self {
glib::Object::new()
}
}