diff options
Diffstat (limited to 'internal_rewrite/ui_form.h')
| -rw-r--r-- | internal_rewrite/ui_form.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/internal_rewrite/ui_form.h b/internal_rewrite/ui_form.h new file mode 100644 index 0000000..e9841e4 --- /dev/null +++ b/internal_rewrite/ui_form.h @@ -0,0 +1,187 @@ +#pragma once +#include "ui_base_item.h" + +namespace ui +{ + class c_form : public base_item { + public: + c_form( int x, int y, int w, int h, const char* name, int max_h = 0, bool collapse = false, bool default_collapsed = false ) : + base_item( x, y, w, h, name ), m_dynamic( !h ), m_max_height( max_h ), m_collapse( collapse ), m_open( !default_collapsed ) { }; + + virtual int x( ) const override { + return m_x + 10; + } + + virtual int y( ) const override { + return m_y + m_scroll_offset + 9; + } + + virtual bool is_form( ) const override { + return true; + } + + virtual bool is_hovered( ) override { + int mouse_x, mouse_y; + ui_get_cursor_pos( mouse_x, mouse_y ); + + int x = get_relative_x( ); + int y = get_relative_y( ); + + return mouse_x > x && mouse_x < x + w( ) + && mouse_y > y && mouse_y < y + h( ); + } + + bool is_collapse_hovered( ) { + if( !m_collapse ) return false; + + int mouse_x, mouse_y; + ui_get_cursor_pos( mouse_x, mouse_y ); + + int x = get_relative_x( ) + m_width - 8; + int y = get_relative_y( ) + 2; + + return mouse_x >= x && mouse_x <= x + 5 + && mouse_y >= y && mouse_y <= y + 7; + } + + bool is_collapsed( ) { + return ( m_collapse && !m_open ); + } + + inline void update_size( ) { + if ( !m_dynamic ) return; + + int total_height{ ITEM_OFFSET * 2 }; + for ( auto& it : m_items ) { + if ( it->get_visible( ) ) { + auto item_height = it->get_total_height( ) + ITEM_OFFSET; + if( m_max_height && total_height + item_height > m_max_height ) { + total_height = m_max_height; + break; + } + total_height += it->get_total_height( ) + ITEM_OFFSET; + } + } + + m_height = total_height; + } + + virtual int get_total_height( ) const override { + if( !m_open && m_collapse ) return 18; + return m_height + 5; + } + + int get_total_item_height( ) { + int total_height{ ITEM_OFFSET * 2 }; + for( auto& it : m_items ) { + if( it->get_visible( ) ) { + auto item_height = it->get_total_height( ) + ITEM_OFFSET; + total_height += it->get_total_height( ) + ITEM_OFFSET; + } + } + + return total_height; + } + + void input( ) { + if( m_collapse ) { + bool hovered = is_collapse_hovered( ); + bool clicked = g_input.is_key_pressed( KEYS_MOUSE1 ); + if( hovered && clicked ) { + if( !m_was_pressed ) { + m_open ^= 1; + } + m_was_pressed = true; + } + else { + m_was_pressed = false; + } + } + + if( m_max_height && get_total_item_height( ) > m_max_height ) { + if( !m_disabled && is_hovered( ) ) { + auto scroll_state = g_input.get_scroll_state( ); + if( !!scroll_state && m_was_hovered ) { + scroll_state > 0 ? m_scroll_offset += 13 : m_scroll_offset -= 13; + } + } + m_scroll_offset = std::clamp( m_scroll_offset, -( get_total_item_height( ) - m_height + 3 ), 0 ); + } + else { + m_scroll_offset = 0; + } + } + + virtual void render( ) override { + update_size( ); + input( ); + int x = get_relative_x( ); + int y = get_relative_y( ); + + int text_w, text_h; + ui_get_text_size( text_w, text_h, m_text ); + + if( m_collapse ) { + if( !m_open && m_collapse ) { + ui_draw_outlined_rect( x, y, m_width, 14, ui_get_accent_col( ) ); + ui_draw_line( x + 3, y, x + text_w + 1, y, ui_get_bg_col( ) ); + ui_draw_string( x + 3, y - 7, false, ui_get_text_col( ), m_text ); + + int button_x = x + m_width - 6; + int button_y = y + 2; + + ui_draw_string( button_x, button_y, true, + is_collapse_hovered( ) ? ui_get_accent_col( ) : ui_get_text_col( ), "+" ); + return; + } + } + + for( int i{ }; i < 8; ++i ) { + clr_t col = ui_get_bg_col( ) * ( 0.72f + i * 0.04f ); + ui_draw_rect( x, y + i, m_width, m_height - i * 2, col ); + } + + ui_draw_outlined_rect( x, y, m_width, m_height, ui_get_accent_col( ) ); + + if( m_max_height && get_total_item_height( ) > m_height ) { + const size_t height = get_total_height( ) - 20; + const float delta = ( float )( get_total_item_height( ) - height + 1 ); + const float slider_step = ( ( float )( height ) / delta ); + const float slider_height = slider_step * 13.f; + + size_t slider_pos = static_cast< size_t >( slider_step * m_scroll_offset ); + ui_draw_rect( x + m_width - 7, y + 8, 4, height, ui_get_disabled_col( ) ); + ui_draw_rect( x + m_width - 7, y - slider_pos + 8, 4, ( int )slider_height + 1, ui_get_accent_col( ) ); + } + + if( is_hovered( ) != m_was_hovered ) { + bool backup = m_disabled; + if( !backup ) { + set_disabled( !is_hovered( ) ); + } + m_disabled = backup; + } + + ui_draw_line( x + 3, y, x + text_w + 1, y, ui_get_bg_col( ) ); + ui_draw_string( x + 3, y - 7, false, ui_get_text_col( ), m_text ); + if( m_collapse ) { + int button_x = x + m_width - 6; + int button_y = y + 2; + + ui_draw_string( button_x, button_y, true, + is_collapse_hovered( ) ? ui_get_accent_col( ) : ui_get_text_col( ), "-" ); + } + + m_was_hovered = is_hovered( ); + } + + protected: + bool m_dynamic{ }; + bool m_was_hovered{ }; + int m_max_height{ }; + int m_scroll_offset{ }; + bool m_was_pressed{ }; + bool m_collapse{ }; + bool m_open{ true }; + }; +}
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