editor ui rework

add responsive editor relayout for window resize
rework header with back/save, view mode buttons, and 2d view type selector
add clipped, scrollable assets and contextual tool panels
simplify tool button wiring and repeated layout logic
simplify 2d top-down editor internals and shared grid update hooks

1 files changed, 9 insertions, 0 deletions

diff --git a/src/render/gl.h b/src/render/gl.h
index e4e2d5a..dfb76b3 100644
--- a/src/render/gl.h
+++ b/src/render/gl.h
@@ -9,6 +9,7 @@
 
 typedef struct GL_FONT *PGL_FONT;
 typedef struct GL_DATA *PGL_DATA;
+typedef void(*GL_RESIZE_REPAINT_CB)( void* userdata );
 
 struct VERTEX {
   VEC2 pos;
@@ -71,6 +72,11 @@ typedef struct GL_DATA {
   MAT4* proj_matrix;
 
   GLuint vao;
+
+  GL_RESIZE_REPAINT_CB resize_repaint_cb{};
+  void* resize_repaint_userdata{};
+  U8 resize_repaint_active{};
+  U8 window_constraint_active{};
 } *PGL_DATA;
 
 GL_DATA*    gl_instance();
@@ -79,6 +85,7 @@ void        gl_destroy( GL_DATA* gl );
 void        gl_gen_buffers( GL_DATA* gl );
 STAT        gl_beginframe( GL_DATA* gl );
 STAT        gl_endframe( GL_DATA* gl );
+STAT        gl_poll_events( GL_DATA* gl );
 STAT        gl_shader_compile( GL_DATA* gl, GL_SHADER_DEF* shader );
 void        gl_shader_destroy( GL_DATA* gl, GL_SHADER_DEF* shader );
 GL_SHADER_PROGRAM* gl_program_create( GL_DATA* gl, const char* name, U32 size = sizeof(GL_SHADER_PROGRAM) );
@@ -89,6 +96,8 @@ GL_TEX2D*   gl_texture_from_file( GL_DATA* gl, const char* name );
 GL_TEX2D*   gl_texture_from_bitmap( GL_DATA* gl, const char* name, U8* bitmap, U32 width, U32 height );
 void        gl_texture_destroy( GL_DATA* gl, GL_TEX2D* tex );
 void        gl_update_window( GL_DATA* gl, I32* size );
+void        gl_sync_window_size( GL_DATA* gl );
+void        gl_set_resize_repaint_callback( GL_DATA* gl, GL_RESIZE_REPAINT_CB cb, void* userdata );
 void        gl_set_clip( GL_DATA* gl, VEC2 start, VEC2 dim );
 void        gl_get_clip( GL_DATA* gl, VEC2* start, VEC2* dim );
 void        gl_set_viewport( GL_DATA* gl, VEC2 start, VEC2 dim );