diff options
Diffstat (limited to 'legacy/loader/ui_dropdown.h')
| -rw-r--r-- | legacy/loader/ui_dropdown.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/legacy/loader/ui_dropdown.h b/legacy/loader/ui_dropdown.h new file mode 100644 index 0000000..ea626bc --- /dev/null +++ b/legacy/loader/ui_dropdown.h @@ -0,0 +1,217 @@ +#pragma once +#include "ui_dropdown_item.h" + +namespace ui +{ + template < typename t = int > + class c_dropdown : public base_item { + public: + c_dropdown( int x, int y, int w, const char* name, t* setting, + std::vector< dropdowns::dropdown_item_t< t > >* items, size_t max_items = 8 ) : + base_item( x, y, w, 16, name ), m_dropdown_items( items ), m_setting( setting ), + m_max_items( max_items ) { } + + virtual bool is_hovered( ) override { + if ( m_disabled ) return false; + + int x = get_relative_x( ); + int y = get_relative_y( ) + 12; + int h = m_height; + + int mouse_x, mouse_y; + ui_get_cursor_pos( mouse_x, mouse_y ); + + + return mouse_x >= x && mouse_x <= x + m_width + && mouse_y >= y && mouse_y <= y + h; + } + + inline bool is_any_item_hovered( ) { + if ( m_disabled || !m_active ) return false; + + int x = get_relative_x( ); + int y = get_relative_y( ) + m_height + 12; + int h = m_height * ( std::min< size_t >( + m_dropdown_items->size( ), m_max_items ) ); + + int mouse_x, mouse_y; + ui_get_cursor_pos( mouse_x, mouse_y ); + + + return mouse_x >= x && mouse_x <= x + m_width + && mouse_y >= y && mouse_y <= y + h; + } + + virtual int get_total_height( ) const override { + return m_height + 13; + } + + void draw_box( const int& x, const int& y, const char* str, bool hovered = false ) { + ui_draw_rect( x, y, m_width, m_height, hovered ? ui_get_disabled_col( ) : ui_get_bg_col( ) ); + ui_draw_line( x, y + m_height, x + m_width, y + m_height, ui_get_accent_col( ) ); + + ui_draw_string( x + m_width / 2, y + 2, true, ui_get_text_col( ), str ); + } + + void update_value( ) { + for ( auto& it : *m_dropdown_items ) { + if ( it.m_value == *m_setting ) { + m_selected_item = ⁢ + } + } + } + + void draw_items( const int& x, const int& y ) { + auto& items = *m_dropdown_items; + auto it = &items.front( ); + int offset = m_height + 1; + int hovered = 0; + int mouse_x, mouse_y; + ui_get_cursor_pos( mouse_x, mouse_y ); + + auto is_hovered = [ & ] ( int y_offset ) { + return mouse_x >= x && mouse_x <= x + m_width + && mouse_y >= y + y_offset && mouse_y <= y + y_offset + m_height; + }; + + + for ( size_t i = items.size( ) > m_max_items ? m_curr_scroll : 0; + i < std::min< size_t >( m_dropdown_items->size( ), m_max_items + m_curr_scroll ); + ++i, offset += m_height + 1 + ) { + it = &items.at( i ); + + draw_box( x, y + offset, it->m_name ); + + if ( is_hovered( offset ) ) { + hovered = offset; + if ( g_input.is_key_pressed( KEYS_MOUSE1 ) ) { + m_selected_item = it; + *m_setting = it->m_value; + m_active = false; + m_enable_time = GetTickCount( ) * 0.001f + 0.220f; + m_enable_next_frame = true; + } + } + } + + if ( hovered ) { + ui_draw_outlined_rect( x - 1, y - 1 + hovered, + m_width + 1, m_height + 1, ui_get_text_col( ) ); + } + } + + void input( ) { + bool active_backup = m_active; + bool active_changed = false; + + if ( is_hovered( ) && g_input.is_key_pressed( KEYS_MOUSE1 ) ) { + if ( !m_mouse_held ) { + m_active = !m_active; + } + m_mouse_held = true; + } + else if ( !is_any_item_hovered( ) ) { + m_mouse_held = false; + } + + if ( !is_hovered( ) && g_input.is_key_pressed( KEYS_MOUSE1 ) && !is_any_item_hovered( ) ) { + m_active = false; + } + + if ( GetTickCount( ) * 0.001f > m_enable_time && m_enable_next_frame ) { + set_disabled_callbacks( false ); + m_enable_next_frame = false; + } + + + active_changed = m_active != active_backup; + //disable input on all items + if ( active_changed ) { + if ( !m_active ) { + m_enable_time = GetTickCount( ) * 0.001f + 0.220f; + m_enable_next_frame = true; + } + else { + set_disabled_callbacks( true ); + } + } + + if ( m_selected_item ) { + *m_setting = m_selected_item->m_value; + } + + if ( m_active && m_dropdown_items->size( ) > m_max_items ) { + int scroll_input = g_input.get_scroll_state( ); + + if ( m_curr_scroll > 0 || scroll_input < 0 ) //we dont want scroll to loop around from 0 to max + m_curr_scroll -= scroll_input; //because positive is scroll up, we gotta flip it + + if ( m_curr_scroll > m_dropdown_items->size( ) - m_max_items ) + m_curr_scroll = m_dropdown_items->size( ) - m_max_items; + } + } + + virtual void render( ) override { + int x = get_relative_x( ); + int y = get_relative_y( ); + + bool restore = false; + RECT prev_rect{ }; + + if ( m_active ) { + restore = true; + g_d3d.get_device( )->GetScissorRect( &prev_rect ); + + RECT new_rect{ + prev_rect.left, + prev_rect.top, + g_d3d.m_width, + g_d3d.m_height, + }; + + g_d3d.get_device( )->SetScissorRect( &new_rect ); + + draw_items( x, y + 11 ); + + + //draw scrollbar + size_t total_items = m_dropdown_items->size( ); + if ( total_items > m_max_items ) { + const size_t height = ( m_height + 1 ) * m_max_items; + const float slider_step = ( float )( height ) / float( total_items - m_max_items + 1 ); + + size_t slider_pos = static_cast< size_t >( slider_step * m_curr_scroll ); + ui_draw_rect( x + m_width - 1, y + slider_pos + m_height + 13, 2, ( int )slider_step, ui_get_accent_col( ) ); + } + } + + update_value( ); + input( ); + + ui_draw_string( x + 2, y, false, ui_get_text_col( ), m_text ); + ui_draw_rect( x, y + 13, m_width, m_height, ui_get_disabled_col( ) ); + ui_draw_outlined_rect( x - 1, y + 12, m_width + 1, m_height + 1, + is_hovered( ) || m_active ? ui_get_text_col( ) : ui_get_accent_col( ) ); + + if ( m_selected_item ) { + ui_draw_string( x + m_width / 2, y + 14, true, ui_get_text_col( ), m_selected_item->m_name ); + } + + if( restore ) { + g_d3d.get_device( )->SetScissorRect( &prev_rect ); + } + } + + protected: + std::vector< dropdowns::dropdown_item_t< t > >* m_dropdown_items{ }; + dropdowns::dropdown_item_t< t >* m_selected_item{ }; + bool m_active = false; + bool m_mouse_held = false; + t* m_setting{ }; + size_t m_max_items{ }; + size_t m_curr_scroll{ }; + float m_enable_time{ }; + int m_enable_next_frame{ }; + }; +}
\ No newline at end of file |