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ui_text_input.cpp
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ui_text_input.cpp
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#include "ui_text_input.h"
#include <Windows.h>
void ui::c_text_input::render( ) {
if( is_hovered( ) && g_input.is_key_pressed( KEYS_MOUSE1 ) ) {
if( !m_was_held ) {
m_active ^= 1;
}
m_was_held = true;
}
else {
m_was_held = false;
}
if( m_active ) {
if( !is_hovered( ) && g_input.is_key_pressed( KEYS_MOUSE1 ) ) {
m_active = false;
}
float current_time = GetTickCount( ) * 0.001f;
size_t length = strlen( m_text_ptr );
for( size_t i{ }; i < 0xfe; ++i ) {
if( g_input.is_key_pressed( i ) ) {
float delta_time = current_time - m_last_key_input[ i ];
if( fabs( delta_time ) > 0.2f ) {
if( i == KEYS_BACK ) {
m_text_ptr[ length - 1 ] = 0;
m_last_key_input[ i ] = current_time;
continue;
}
m_key_states[ i ] = 0xf0;
wchar_t pressed_char;
const auto scan = MapVirtualKeyA( i, 2 );
auto ret = ToAscii( i, scan, ( BYTE* )m_key_states, ( LPWORD )&pressed_char, 1 );
if( ret == 1 ) {
if( length < m_text_len ) {
m_text_ptr[ length ] = ( char )( pressed_char );
m_text_ptr[ length + 1 ] = 0;
}
}
m_last_key_input[ i ] = current_time;
}
}
else {
m_last_key_input[ i ] = 0.f;
m_key_states[ i ] = 0;
}
}
if( g_input.is_key_pressed( KEYS_RETURN ) ) {
m_active = false;
}
}
int x = get_relative_x( );
int y = get_relative_y( );
ui_draw_string( x + 2, y, false, ui_get_text_col( ), m_text );
y += 12;
ui_draw_rect( x - 1, y - 1, m_width + 2, m_height + 2,
( is_hovered( ) || m_active ) ? ui_get_text_col( ) : ui_get_accent_col( ) );
ui_draw_rect( x, y, m_width, m_height, ui_get_disabled_col( ) );
ui_draw_string( x + 2, y + 3, false, ui_get_text_col( ), m_active ? "%s_" : "%s", m_text_ptr );
}