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/* date = January 27th 2026 7:06 pm */
#ifndef EDITOR_APP_H
#define EDITOR_APP_H
//~ Types
typedef struct ui_box ui_box;
typedef struct panel panel;
struct panel
{
panel *First;
panel *Last;
panel *Next;
panel *Prev;
panel *Parent;
s32 Axis;
f32 ParentPct;
ui_box *Root;
v4 Region;
b32 CannotClose;
};
raddbg_type_view(panel,
no_addr(rows($,
(&First == NilPanel || &First == 0),
ParentPct,
(Axis == Axis2_X ? "X" : "Y"))));
#define EachChildPanel(Child, Parent) (panel *Child = Parent->First; !IsNilPanel(Child); Child = Child->Next)
typedef struct app_text app_text;
struct app_text
{
u64 Cursor;
u64 Count;
u64 Capacity;
u64 Trail;
u64 CurRelLine;
f32 CursorAnimTime;
rune *Data;
u64 PrevCursor;
// Computed each frame
u64 Lines;
};
typedef struct panel_node panel_node;
struct panel_node
{
panel *Value;
app_text *Text;
// TODO(luca): Double Linked List
panel_node *Next;
};
#define EachPanel(Index, First) EachNode(Index, panel_node, First)
typedef struct app_state app_state;
struct app_state
{
// TODO(luca): This is already in the FontAtlas, so it should go away?
font Font;
font_atlas FontAtlas;
arena *FontAtlasArena;
f32 PreviousHeightPx;
f32 HeightPx;
// TODO(luca): Move to UI state ?
arena *UIArena;
panel *TitlebarPanel;
panel_node *TextPanels;
arena *TextArena;
panel *SelectedPanel;
panel *FirstPanel;
panel_node *FreePanel;
arena *PanelArena;
panel *DebugPanel;
u64 FrameIdx;
gl_render_state Render;
// Nils
ui_box *TrackerForUI_NilBox;
panel *TrackerForNilPanel;
};
//~ Globals
#define DefaultHeightPx 24
global_variable arena *FrameArena = 0;
#endif //EDITOR_APP_H
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