text alignment

src/pp/pp.c

@@ -2011,6 +2011,7 @@ void PP_UpdateUser(void)
                             // UI_SetNext(Padding, UI_PADEX(.left = UI_PIX(100, 0), .right = UI_PIX(50, 0), .bottom = UI_PIX(10, 0)));
                             // UI_SetNext(Padding, UI_PADEX(.left = UI_PIX(1, 0)));
                             UI_SetNext(Padding, UI_PADALL(UI_FILL(1, 0)));
+                            // UI_SetNext(Padding, UI_PAD(.left = UI_FILL(1, 0), .right = UI_FILL(1, 0)));
                             UI_Box *title_box = UI_BuildBox(Zstr);
                         }
                         UI_PopCP();

src/pp/pp_widgets.c

@@ -55,7 +55,6 @@ UI_Box *PP_BuildDebugConsole(b32 minimized)
         {
             UI_SetNext(BackgroundColor, Rgba32F(1, 1, 1, 0.02));
             UI_SetNext(Width, UI_FILL(1, 0));
-            // UI_SetNext(Height, UI_FILL(0.33, 1));
             UI_SetNext(Height, UI_FIT(1));
         }
         console_box = UI_BuildBox(Lit("Console box"));
@@ -124,10 +123,11 @@ UI_Box *PP_BuildDebugConsole(b32 minimized)
                         UI_Box *log_box = UI_BuildBox(Zstr);
                         UI_PushCP(log_box);
                         {
-                            UI_SetNext(Padding, UI_PADALL(UI_FNT(0.25, 0)));
+                            UI_SetNext(Padding, UI_PADALL(UI_FNT(0.25, 1)));
                             UI_SetNext(BackgroundColor, 0);
                             UI_SetNext(Border, 0);
                             UI_SetNext(Text, text);
+                            UI_SetNext(TextAlignment, UI_Alignment_Left);
                             UI_SetNext(Width, UI_FILL(1, 0));
                             UI_SetNext(Height, UI_FIT(1));
                             UI_SetNext(Flags, UI_BoxFlag_DrawText);

src/ui/ui_core.c

@@ -334,10 +334,8 @@ UI_Box *UI_BuildPadAlongAxis(UI_Box *parent, UI_Size start, UI_Size end, Axis fi
     {
         UI_PushStack();
         {
-            UI_PushCP(parent);
+            UI_Push(Parent, parent);
             {
-                UI_ForcePush(Padding, UI_PIX(0, 0));
-                UI_Push(Tint, 0);
                 /* Start */
                 if (has_start_padding)
                 {
@@ -376,7 +374,6 @@ UI_Box *UI_BuildPadAlongAxis(UI_Box *parent, UI_Size start, UI_Size end, Axis fi
                     UI_BuildBox(Zstr);
                 }
             }
-            UI_PopCP();
         }
         UI_PopStack();
     }
@@ -484,6 +481,7 @@ UI_Box *UI_BuildBox(String seed)
     box->rounding               = UI_UseTop(Rounding);
     box->text                   = UI_UseTop(Text);
     box->floating_pos           = UI_UseTop(FloatingPos);
+    box->text_alignment         = UI_UseTop(TextAlignment);
 
     /* Prefetch font */
     if (box->text.len > 0)
@@ -1104,12 +1102,6 @@ i64 UI_EndBuild(GPU_Resource *render_target, Xform ui_to_screen_xf)
                 Texture2DRid tex_rid = GPU_Texture2DRidFromResource(box->font->texture);
                 Vec2 inv_font_image_size = VEC2(1.0f / (f32)box->font->image_width, 1.0f / (f32)box->font->image_height);
 
-                f32 ascent = box->font->ascent;
-                f32 descent = box->font->descent;
-
-                Vec2 baseline = box->p0;
-                baseline.y += ascent;
-
                 F_Run run = box->glyph_run;
                 f32 max_baseline = box->p1.x;
                 b32 should_truncate = run.count > 0 && (run.rects[run.count - 1].pos + run.rects[run.count - 1].advance) > max_baseline;
@@ -1152,6 +1144,42 @@ i64 UI_EndBuild(GPU_Resource *render_target, Xform ui_to_screen_xf)
                     run.rects = new_rects;
                 }
 
+                UI_Alignment alignment = box->text_alignment;
+                if (should_truncate)
+                {
+                    alignment = UI_Alignment_Left;
+                }
+
+                /* Calculate baseline */
+                f32 ascent = box->font->ascent;
+                f32 descent = box->font->descent;
+                f32 baseline_width = run.count > 0 ? (run.rects[run.count - 1].pos + run.rects[run.count - 1].advance) : 0;
+                f32 baseline_height = ascent + descent;
+                f32 box_width = box->p1.x - box->p0.x;
+                f32 box_height = box->p1.y - box->p0.y;
+                Vec2 baseline = ZI;
+                switch (alignment)
+                {
+                    case UI_Alignment_Left:
+                    {
+                        baseline.x = box->p0.x;
+                    } break;
+                    case UI_Alignment_Right:
+                    {
+                        baseline.x = box->p1.x;
+                        baseline.x -= baseline_width;
+                    } break;
+                    case UI_Alignment_Center:
+                    {
+                        baseline.x = box->p0.x;
+                        baseline.x += (box_width - baseline_width) / 2;
+                    } break;
+                }
+                baseline.y = box->p0.y;
+                baseline.y += box_height / 2;
+                baseline.y += baseline_height / 4;
+
+
                 /* Push text rects */
                 for (u64 i = 0; i < run.count; ++i)
                 {

src/ui/ui_core.h

@@ -50,6 +50,16 @@ Struct(UI_Round)
     f32 v;
 };
 
+////////////////////////////////////////////////////////////
+//~ Alignment types
+
+Enum(UI_Alignment)
+{
+    UI_Alignment_Center,
+    UI_Alignment_Left,
+    UI_Alignment_Right,
+};
+
 ////////////////////////////////////////////////////////////
 //~ Padding types
 
@@ -102,6 +112,7 @@ Enum(UI_BoxFlag)
     x(Font,                 ResourceKey)        \
     x(FontSize,             u32)                \
     x(Text,                 String)             \
+    x(TextAlignment,        UI_Alignment)       \
     x(LeftPadding,          UI_Size)            \
     x(RightPadding,         UI_Size)            \
     x(TopPadding,           UI_Size)            \
@@ -210,6 +221,7 @@ Struct(UI_Box)
     f32 border;
     Vec2 floating_pos;
     String text;
+    UI_Alignment text_alignment;
     ResourceKey font_resource;
     f32 font_size;
     Axis layout_axis;