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#pragma once
#include "ui_base_item.h"
#include "d3d.hpp"
namespace ui
{
class c_color_picker : public base_item {
static constexpr int BOX_WIDTH = 106;
static constexpr int BOX_HEIGHT = 125;
public:
c_color_picker( int x, int y, int w, const char* name, clr_t* setting ) :
base_item( x, y, w, 4, name ), m_setting( setting ),
m_has_text( true ) { }
c_color_picker( int x, int y, int w, clr_t* setting ) :
base_item( x, y, w, 8, xors( "COLOR_PICKER" ) ), m_setting( setting ),
m_has_text( false ) { }
virtual bool is_hovered( ) override {
if ( m_disabled ) return false;
int x = get_relative_x( );
int y = get_relative_y( );
int cursor_x, cursor_y;
ui_get_cursor_pos( cursor_x, cursor_y );
if ( m_has_text ) y += 12;
if ( !m_active ) {
return cursor_x >= x && cursor_x <= x + m_width
&& cursor_y >= y && cursor_y <= y + m_height;
}
return cursor_x >= x && cursor_x <= x + BOX_WIDTH + 23
&& cursor_y >= y && cursor_y <= y + BOX_HEIGHT + 2;
}
virtual int get_total_height( ) const override {
return m_has_text ? ( m_height + 12 ) : m_height;
}
void input( ) {
bool active_backup = m_active;
bool active_changed = false;
if ( is_hovered( ) && g_input.is_key_pressed( KEYS_MOUSE1 ) ) {
if ( !m_active ) {
m_mouse_held = true;
}
m_active = true;
}
else if ( m_active && !is_hovered( ) && g_input.is_key_pressed( KEYS_MOUSE1 ) ) {
m_active = false;
}
else {
m_mouse_held = false;
}
active_changed = active_backup != m_active;
if ( active_changed ) {
set_disabled_callbacks( m_active );
}
m_hue = m_setting->hue( );
if ( m_hue > 1.0f ) {
m_hue -= 359.f;
}
m_saturation = m_setting->saturation( );
m_brightness = m_setting->brightness( ) / 255.f;
m_alpha = m_setting->a( );
}
void output( ) {
*m_setting = clr_t::from_hsb( m_hue, m_saturation, m_brightness );
m_setting->a( ) = m_alpha;
}
virtual void render( ) override {
int x = get_relative_x( );
int y = get_relative_y( );
if ( m_has_text ) {
ui_draw_string( x + 2, y, false, ui_get_text_col( ), m_text );
y += 12;
}
input( );
if ( m_active ) {
RECT old_rect;
g_d3d.get_device( )->GetScissorRect( &old_rect );
RECT new_rect{
x - 1, y - 1,
x + BOX_WIDTH + 22,
y + BOX_HEIGHT + 2
};
g_d3d.get_device( )->SetScissorRect( &new_rect );
int mouse_x, mouse_y;
ui_get_cursor_pos( mouse_x, mouse_y );
clr_t bg_col( 0, 0, 0, 90 );
ui_draw_rect( x, y, BOX_WIDTH + 20, BOX_HEIGHT, bg_col );
ui_draw_outlined_rect( x - 1, y - 1, BOX_WIDTH + 22, BOX_HEIGHT + 2, ui_get_accent_col( ) );
for ( int i{ }; i < 100; i += 3 ) {
for ( int i2{ }; i2 < 100; i2 += 3 ) {
ui_draw_rect( x + i + 1, y + i2 + 1, 3, 3,
clr_t::from_hsb( m_hue, float( i2 ) * 0.01f, float( i ) * 0.01f ) );
}
}
if ( g_input.is_key_pressed( KEYS_MOUSE1 ) && !m_mouse_held
&& mouse_x > x && mouse_x <= x + 100
&& mouse_y > y && mouse_y <= y + 100 ) {
int mouse_x_c = std::clamp( mouse_x, x, x + 100 );
int mouse_y_c = std::clamp( mouse_y, y, y + 100 );
int delta_y = std::clamp( mouse_y_c - y, 0, 100 );
int delta_x = std::clamp( mouse_x_c - x, 0, 100 );
m_saturation = float( delta_y ) * 0.01f;
m_brightness = float( delta_x ) * 0.01f;
}
auto is_hue_slider_hovered = [&]( ) -> bool {
return mouse_x > x + 110 && mouse_x < x + 122
&& mouse_y > y && mouse_y < y + 100;
};
auto draw_slider_hue = [&]( ) {
for ( int i{ }; i < 100; ++i ) {
auto cur_col = clr_t::from_hsb( float( i ) * 0.01f, m_saturation, m_brightness );
ui_draw_rect( x + 110, y + i + 1, 12, 2, cur_col );
}
ui_draw_outlined_rect( x + 109, y + int( m_hue * 100.f ) + 1, 14, 3,
is_hue_slider_hovered( ) ? ui_get_text_col( ) : ui_get_disabled_col( ) );
};
auto is_alpha_slider_hovered = [&]( ) -> bool {
return mouse_x > x + 0 && mouse_x < x + 122
&& mouse_y > y + 110 && mouse_y < y + 124;
};
auto draw_slider_alpha = [&]( ) {
for ( int i{ 121 }; i >= 0; --i ) {
auto col = *m_setting;
col.a( ) = ( int )( float( i ) * 255.f / 121.f );
ui_draw_rect( x + i + 1, y + 110, 1, 12, col );
}
int a_pos = ( int )( float( m_alpha ) * 121.f / 255.f );
ui_draw_outlined_rect( x + 1 + a_pos, y + 109, 3, 14,
is_alpha_slider_hovered( ) ? ui_get_text_col( ) : ui_get_disabled_col( ) );
};
draw_slider_hue( );
if ( is_hue_slider_hovered( ) && g_input.is_key_pressed( KEYS_MOUSE1 ) ) {
int delta = std::clamp( mouse_y - y, 0, 100 );
m_hue = float( delta ) * 0.01f;
}
draw_slider_alpha( );
if ( is_alpha_slider_hovered( ) && g_input.is_key_pressed( KEYS_MOUSE1 ) ) {
int delta = std::clamp( mouse_x - x, -1, 122 );
m_alpha = ( int )( float( delta ) * 255.f / 121.f );
}
output( );
g_d3d.get_device( )->SetScissorRect( &old_rect );
}
else {
if ( is_hovered( ) ) {
ui_draw_rect( x - 1, y - 1, m_width + 2, m_height + 2, ui_get_text_col( ) );
}
ui_draw_rect( x, y, m_width, m_height, *m_setting );
}
}
protected:
clr_t* m_setting = nullptr;
bool m_active = false;
bool m_mouse_held = false;
float m_saturation = 1.0f;
float m_brightness = 1.0f;
float m_hue = 0.f;
uint8_t m_alpha = 255;
bool m_has_text = false;
};
}
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