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#include "base.h"
const I32 LIST_TITLE_OFFSET = 15;
const I32 LIST_ITEM_HEIGHT = 18;
void gui_list_draw_fn( void* ptr ) {
GUI_LIST* list = (GUI_LIST*)ptr;
I32 x = gui_relx( list );
I32 y = gui_rely( list );
gui_draw_str( x, y, ALIGN_L, FNT_JPN12, ui_clr.txt, list->name );
y += LIST_TITLE_OFFSET;
CLR col = gui_is_fg_window( list )? ui_clr.border : ui_clr.border_inactive;
gui_draw_frect( x, y, list->w, list->h, col );
gui_draw_frect( x+1, y+1, list->w-2, list->h-2, ui_clr.bg_sec );
I32 yoff = 0;
list->plist->each( fn( GUI_LIST_ENTRY* e ) {
U8 selected = e->val == *list->pval;
CLR col = selected? ui_clr.txt : ui_clr.txt_inactive;
gui_draw_str( x + 4, y + yoff + 6, ALIGN_L, FNT_JPN12, col, e->title );
yoff += LIST_ITEM_HEIGHT;
} );
}
void gui_list_input_fn( void* ptr ) {
GUI_LIST* list = (GUI_LIST*)ptr;
I32 x = gui_relx( list );
I32 y = gui_rely( list );
I32 w = list->w;
I32 h = list->h;
U8 m1 = gui_mbutton_down( 0 );
I32 mx, my;
gui_cursor_pos( &mx, &my );
U8 inbounds = mx >= x && mx <= x + w && my >= y && my <= y + h;
if( !inbounds )
return;
I32 diff = my - y;
I32 idx = diff / LIST_ITEM_HEIGHT - 1;
if( idx >= list->plist->size ) idx = list->plist->size - 1;
if( idx < 0 ) idx = 0;
if( m1 ) {
if( !list->held ) {
GUI_LIST_ENTRY* e = &list->plist->data[idx];
I32 prevval = *list->pval;
*list->pval = e->val;
if( list->cb && prevval != *list->pval )
list->cb( list );
}
list->held = 1;
} else {
list->held = 0;
}
}
GUI_LIST* gui_list( I32 x, I32 y, I32 w, I32 h, const char* title, LIST<GUI_LIST_ENTRY>* plist, I32* pval ) {
if( !gui_check_target() ) return 0;
GUI_LIST* list = new GUI_LIST;
list->x = x;
list->y = y;
list->w = w;
list->h = h;
list->xbound = w;
list->ybound = h + LIST_TITLE_OFFSET;
list->cb = 0;
list->pval = pval;
list->plist = plist;
list->draw_fn = gui_list_draw_fn;
list->input_fn = gui_list_input_fn;
strcpy( list->name, title );
list->parent = gui_get_view();
gui_get_view()->children.push( list );
return list;
}
GUI_LIST_ENTRY* gui_list_get_selected( GUI_LIST* list ) {
for( U32 i = 0; i < list->plist->size; ++i ) {
GUI_LIST_ENTRY* e = &list->plist->data[i];
if( e->val == *list->pval )
return e;
}
return 0;
}
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