ui header/menu and add undo/redo for creation actions

full-width toolbar/menubar layer
move save into file menu and add edit menu actions for undo/redo
menubar dropdown interaction modal
update header/view-type labels and menu layout behavior
creation-history tracking for walls and polygons
undo (ctrl+z) and redo (ctrl+r) in 2d editor
improve list/button visual states

2 files changed, 27 insertions, 10 deletions

diff --git a/src/gui/button.cpp b/src/gui/button.cpp
index 1548e0e..e66130b 100644
--- a/src/gui/button.cpp
+++ b/src/gui/button.cpp
@@ -12,11 +12,12 @@ void gui_button_draw_fn( void* ptr ) {
   U8 hover = inbounds && !active;
 
   CLR border = gui_is_fg_window( btn )? ui_clr.border : ui_clr.border_inactive;
-  if( active )
-    border = { 0.f, 1.f, 0.f, 1.f };
 
   CLR fill = ui_clr.bg_sec;
   CLR txt = ui_clr.txt;
+  if( active ) {
+    fill = CLR::blend( ui_clr.bg_sec, ui_clr.border, 0.22f );
+  }
   if( hover ) {
     fill = ui_clr.border;
     txt = CLR::BLACK();
diff --git a/src/gui/list.cpp b/src/gui/list.cpp
index 90f2f49..2feff47 100644
--- a/src/gui/list.cpp
+++ b/src/gui/list.cpp
@@ -10,18 +10,33 @@ void gui_list_draw_fn( void* ptr ) {
   I32 y = gui_rely( list );
 
   gui_draw_str( x, y, ALIGN_L, FNT_JPN12, ui_clr.txt, list->name );
-  y += LIST_TITLE_OFFSET;
+  I32 panel_y = 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 );
+  gui_draw_frect( x, panel_y, list->w, list->h, col );
+  gui_draw_frect( x + 1, panel_y + 1, list->w - 2, list->h - 2, ui_clr.bg_sec );
+
+  I32 txt_h = 12;
+  gui_draw_get_str_bounds( 0, &txt_h, FNT_JPN12, "ag" );
 
   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;
+    I32 row_x = x + 1;
+    I32 row_y = panel_y + 1 + yoff;
+    I32 row_w = list->w - 2;
+    if( row_w < 1 ) row_w = 1;
+    I32 row_h = LIST_ITEM_HEIGHT;
+
+    if( selected ) {
+      CLR sel_bg = CLR::blend( ui_clr.border, ui_clr.bg, 0.70f );
+      gui_draw_frect( row_x, row_y, row_w, row_h, sel_bg );
+    }
+
+    CLR col = selected ? ui_clr.txt : ui_clr.txt_inactive;
+    I32 txt_y = row_y + ( row_h - txt_h ) / 2;
 
-    gui_draw_str( x + 4, y + yoff + 6, ALIGN_L, FNT_JPN12, col, e->title );
+    gui_draw_str( row_x + 3, txt_y, ALIGN_L, FNT_JPN12, col, e->title );
     yoff += LIST_ITEM_HEIGHT;
   } );
 }
@@ -31,6 +46,7 @@ void gui_list_input_fn( void* ptr ) {
 
   I32 x = gui_relx( list );
   I32 y = gui_rely( list );
+  I32 panel_y = y + LIST_TITLE_OFFSET;
   I32 w = list->w;
   I32 h = list->h;
 
@@ -38,12 +54,12 @@ void gui_list_input_fn( void* ptr ) {
   I32 mx, my;
   gui_cursor_pos( &mx, &my );
 
-  U8 inbounds = mx >= x && mx <= x + w && my >= y && my <= y + h;
+  U8 inbounds = mx >= x && mx <= x + w && my >= panel_y && my <= panel_y + h;
   if( !inbounds )
     return;
 
-  I32 diff = my - y;
-  I32 idx = diff / LIST_ITEM_HEIGHT - 1;
+  I32 diff = my - panel_y;
+  I32 idx = diff / LIST_ITEM_HEIGHT;
   if( idx >= list->plist->size ) idx = list->plist->size - 1;
   if( idx < 0 ) idx = 0;