1 // Copyright (C) 2021 Harry Godden (hgn) - All Rights Reserved
3 SHADER_DEFINE( shader_ui
,
6 "layout (location=0) in vec2 a_co;" // i16, i16, .. ?
7 "layout (location=1) in vec2 a_uv;" // i16, i16
8 "layout (location=2) in vec4 a_colour;" // u32
9 "layout (location=3) in vec4 a_clip;" // i16, i16, i16, i16
12 "out vec2 aTexCoords;"
19 "gl_Position = vec4( uPv * vec3( a_co, 1.0 ), 1.0 );"
20 "aTexCoords = a_uv * 0.0078125;"
28 "uniform sampler2D uTexGlyphs;"
39 "float clip_blend = step( aWsp.x, aClip.z ) * step( aWsp.y, aClip.w ) * step( aClip.x, aWsp.x ) * step( aClip.y, aWsp.y );"
40 "vec4 glyph = vec4(1.0,1.0,1.0,1.0);"
42 "if( aColour.a == 0.0 )"
44 "glyph = texture( uTexGlyphs, aTexCoords );"
45 "glyph.a = smoothstep( 0.47, 0.53, glyph.r );"
49 "glyph.a = aColour.a;"
52 "FragColor = vec4( aColour.rgb, glyph.a*clip_blend );"
55 UNIFORMS({ "uPv", "uTexGlyphs" })
58 #define UI_AUTO_FILL 0
62 // ===========================================================================================================
65 typedef u32 ui_colour
;
66 typedef ui_px ui_rect
[4];
67 typedef struct ui_ctx ui_ctx
;
68 typedef struct ui_colourset ui_colourset
;
122 u32 capture_mouse_id
;
129 int click_state
; // 0: released, 1: on down, 2: pressed, 3: on release
131 ui_colourset
*colours_main
;
132 ui_colourset
*colours_current
;
148 // ===========================================================================================================
151 static ui_px ui_glyph_spacing_x
= 9;
152 static GLuint ui_glyph_texture
= 0;
154 ui_colourset ui_default_colours
= {
159 ui_ctx ui_global_ctx
= {
161 .colours_main
= &ui_default_colours
166 // ===========================================================================================================
168 static void ui_reset_colours( ui_ctx
*ctx
);
169 static void ui_init_context( ui_ctx
*ctx
, int index_buffer_size
)
171 ui_reset_colours( ctx
);
173 u32 vertex_buffer_size
= (index_buffer_size
+(index_buffer_size
/2));
175 // Generate the buffer we are gonna be drawing to
177 glGenVertexArrays(1, &ctx
->vao
);
178 glGenBuffers( 1, &ctx
->vbo
);
179 glGenBuffers( 1, &ctx
->ebo
);
180 glBindVertexArray( ctx
->vao
);
182 glBindBuffer( GL_ARRAY_BUFFER
, ctx
->vbo
);
184 glBufferData( GL_ARRAY_BUFFER
, vertex_buffer_size
* sizeof( struct ui_vert
), NULL
, GL_DYNAMIC_DRAW
);
185 glBindVertexArray( ctx
->vao
);
187 glBindBuffer( GL_ELEMENT_ARRAY_BUFFER
, ctx
->ebo
);
188 glBufferData( GL_ELEMENT_ARRAY_BUFFER
, index_buffer_size
* sizeof( u16
), NULL
, GL_DYNAMIC_DRAW
);
190 u32
const stride
= sizeof( struct ui_vert
);
193 glVertexAttribPointer( 0, 2, GL_SHORT
, GL_FALSE
, stride
, (void *)offsetof( struct ui_vert
, co
) );
194 glEnableVertexAttribArray( 0 );
197 glVertexAttribPointer( 1, 2, GL_UNSIGNED_BYTE
, GL_FALSE
, stride
, (void *)offsetof( struct ui_vert
, uv
) );
198 glEnableVertexAttribArray( 1 );
201 glVertexAttribPointer( 2, 4, GL_UNSIGNED_BYTE
, GL_TRUE
, stride
, (void *)offsetof( struct ui_vert
, colour
) );
202 glEnableVertexAttribArray( 2 );
205 glVertexAttribPointer( 3, 4, GL_SHORT
, GL_FALSE
, stride
, (void *)offsetof( struct ui_vert
, clip
) );
206 glEnableVertexAttribArray( 3 );
209 // Initialize default context
211 ctx
->verts
= (struct ui_vert
*)malloc( vertex_buffer_size
* sizeof(struct ui_vert
) );
212 ctx
->indices
= (u16
*)malloc( index_buffer_size
* sizeof(u16
) );
216 static void ui_context_free( ui_ctx
*ctx
)
218 glDeleteVertexArrays( 1, &ctx
->vao
);
219 glDeleteBuffers( 1, &ctx
->vbo
);
220 glDeleteBuffers( 1, &ctx
->ebo
);
223 free( ctx
->indices
);
226 static void ui_default_init(void)
230 #include "vg/vg_pxfont.h"
233 u32 pixels
= 0, total
= 256*256, data
= 0;
234 u8
*image
= malloc( total
);
236 while( pixels
< total
)
238 for( int b
= 31; b
>= 0; b
-- )
240 image
[ pixels
++ ] = (compressed
[data
] & (0x1 << b
))? 0xff: 0x00;
242 if( pixels
>= total
)
251 glGenTextures( 1, &ui_glyph_texture
);
252 glBindTexture( GL_TEXTURE_2D
, ui_glyph_texture
);
254 glTexImage2D( GL_TEXTURE_2D
, 0, GL_R8
, 256, 256, 0, GL_RED
, GL_UNSIGNED_BYTE
, image
);
261 // Setup OpenGL memory
262 SHADER_INIT( shader_ui
);
263 ui_init_context( &ui_global_ctx
, 20000 );
266 static void ui_default_free(void)
268 glDeleteTextures( 1, &ui_glyph_texture
);
270 ui_context_free( &ui_global_ctx
);
273 static struct ui_vert
*ui_fill_rect_uv( ui_ctx
*ctx
, ui_rect rect
, u32 colour
, ui_px uv
[4] );
274 static void ui_draw( ui_ctx
*ctx
, m3x3f view_override
)
276 u32 num_indices_normal
= ctx
->num_indices
;
278 // Append images to back of buffer
279 for( int i
= 0; i
< ctx
->image_count
; i
++ )
280 ui_fill_rect_uv( ctx
, ctx
->images
[i
].rc
, 0xffffffff, (ui_px
[4]){0,0,128,128} );
282 glBindVertexArray( ctx
->vao
);
284 glBindBuffer( GL_ARRAY_BUFFER
, ctx
->vbo
);
285 glBufferSubData( GL_ARRAY_BUFFER
, 0, ctx
->num_verts
* sizeof( struct ui_vert
), ctx
->verts
);
287 glBindBuffer( GL_ELEMENT_ARRAY_BUFFER
, ctx
->ebo
);
288 glBufferSubData( GL_ELEMENT_ARRAY_BUFFER
, 0, ctx
->num_indices
* sizeof( u16
), ctx
->indices
);
291 glBlendFunc(GL_SRC_ALPHA
, GL_ONE_MINUS_SRC_ALPHA
);
292 glBlendEquation(GL_FUNC_ADD
);
294 SHADER_USE( shader_ui
);
296 m3x3f view
= M3X3_IDENTITY
;
300 view_override
= view
;
302 m3x3_translate( view
, (v3f
){ -1.0f
, 1.0f
, 0.0f
} );
303 m3x3_scale( view
, (v3f
){ 1.0f
/((float)vg_window_x
*0.5f
), -1.0f
/((float)vg_window_y
*0.5f
), 1.0f
} );
306 glUniformMatrix3fv( SHADER_UNIFORM( shader_ui
, "uPv" ), 1, GL_FALSE
, (float *)view_override
);
308 glActiveTexture( GL_TEXTURE0
);
309 glBindTexture( GL_TEXTURE_2D
, ui_glyph_texture
);
310 glUniform1i( SHADER_UNIFORM( shader_ui
, "uTexGlyphs" ), 0 );
312 glDrawElements( GL_TRIANGLES
, num_indices_normal
, GL_UNSIGNED_SHORT
, (void*)(0) );
314 // Draw image elements
315 for( int i
= 0; i
< ctx
->image_count
; i
++ )
317 struct ui_image
*img
= &ctx
->images
[i
];
319 glBindTexture( GL_TEXTURE_2D
, img
->image
);
320 glDrawElements( GL_TRIANGLES
, 6, GL_UNSIGNED_SHORT
, (void*)( (num_indices_normal
+ 6*i
)*sizeof(u16
) ) );
327 // ===========================================================================================================
329 static void ui_rect_copy( ui_rect src
, ui_rect dst
)
337 static void ui_rect_pad( ui_rect rect
, ui_px pad
)
345 static void ui_vis_rect( ui_rect rect
, u32 colour
)
353 p1
[0] = rect
[0]+rect
[2];
354 p1
[1] = rect
[1]+rect
[3];
356 vg_line( p0
, (v2f
){p1
[0],p0
[1]}, colour
);
357 vg_line( (v2f
){p1
[0],p0
[1]}, p1
, colour
);
358 vg_line( p1
, (v2f
){p0
[0],p1
[1]}, colour
);
359 vg_line( (v2f
){p0
[0],p1
[1]}, p0
, colour
);
364 // ===========================================================================================================
366 static struct ui_qnode
*ui_current( ui_ctx
*ctx
)
368 return &ctx
->stack
[ ctx
->stack_count
-1 ];
371 static void ui_new_node( ui_ctx
*ctx
)
373 if( ctx
->stack_count
== vg_list_size( ctx
->stack
) )
374 vg_exiterr( "[UI] Stack overflow while creating box!" );
376 struct ui_qnode
*parent
= &ctx
->stack
[ ctx
->stack_count
-1 ];
377 struct ui_qnode
*node
= &ctx
->stack
[ ctx
->stack_count
++ ];
378 ui_rect_copy( ctx
->cursor
, node
->rect
);
380 if( parent
->mouse_over
)
382 if( ctx
->mouse
[0] >= node
->rect
[0] && ctx
->mouse
[0] < node
->rect
[0]+node
->rect
[2] &&
383 ctx
->mouse
[1] >= node
->rect
[1] && ctx
->mouse
[1] < node
->rect
[1]+node
->rect
[3] )
384 node
->mouse_over
= 1;
386 node
->mouse_over
= 0;
390 node
->mouse_over
= 0;
394 static int ui_hasmouse( ui_ctx
*ctx
)
396 struct ui_qnode
*node
= ui_current( ctx
);
397 return (node
->mouse_over
&& (node
->capture_id
== ctx
->capture_mouse_id
));
400 static void ui_end( ui_ctx
*ctx
)
402 struct ui_qnode
*node
= &ctx
->stack
[ --ctx
->stack_count
];
404 ui_rect_copy( node
->rect
, ctx
->cursor
);
405 ui_vis_rect( ctx
->cursor
,
406 (node
->mouse_over
&& (node
->capture_id
== ctx
->capture_mouse_id
))? 0xffff0000: 0xff0000ff );
409 static void ui_end_down( ui_ctx
*ctx
)
411 ui_px height
= ui_current( ctx
)->rect
[3];
413 ctx
->cursor
[1] += height
;
416 static void ui_end_right( ui_ctx
*ctx
)
418 ui_px width
= ui_current( ctx
)->rect
[2];
420 ctx
->cursor
[0] += width
;
423 static void ui_fill_y( ui_ctx
*ctx
)
425 struct ui_qnode
*node
= ui_current( ctx
);
426 ctx
->cursor
[3] = node
->rect
[3] - (ctx
->cursor
[1]-node
->rect
[1]);
429 static void ui_fill_x( ui_ctx
*ctx
)
431 struct ui_qnode
*node
= ui_current( ctx
);
432 ctx
->cursor
[2] = node
->rect
[2] - (ctx
->cursor
[0]-node
->rect
[0]);
435 // Alignment: | [] | -> | []|
436 static void ui_align_bottom( ui_ctx
*ctx
)
438 struct ui_qnode
*node
= ui_current( ctx
);
439 ctx
->cursor
[1] = node
->rect
[1] + node
->rect
[3] - ctx
->cursor
[3];
442 static void ui_align_right( ui_ctx
*ctx
)
444 struct ui_qnode
*node
= ui_current( ctx
);
445 ctx
->cursor
[0] = node
->rect
[0] + node
->rect
[2] - ctx
->cursor
[2];
448 static void ui_align_top( ui_ctx
*ctx
)
450 ctx
->cursor
[1] = ui_current( ctx
)->rect
[1];
453 static void ui_align_left( ui_ctx
*ctx
)
455 ctx
->cursor
[0] = ui_current( ctx
)->rect
[0];
458 static void ui_clamp_rect( ui_rect parent
, ui_rect dest
)
460 dest
[0] = vg_min( parent
[0] + parent
[2] - dest
[2], dest
[0] );
461 dest
[1] = vg_min( parent
[1] + parent
[3] - dest
[3], dest
[1] );
462 dest
[0] = vg_max( parent
[0], dest
[0] );
463 dest
[1] = vg_max( parent
[1], dest
[1] );
466 static u32
ui_group_id( ui_ctx
*ctx
, u32 lesser_unique
)
468 return ctx
->id_base
| lesser_unique
;
471 static void ui_capture_mouse( ui_ctx
*ctx
, u32 id
)
473 u32 group_uid
= ui_group_id(ctx
,id
);
475 struct ui_qnode
*node
= &ctx
->stack
[ ctx
->stack_count
-1 ];
476 node
->capture_id
= group_uid
;
478 if( !ctx
->capture_lock
&& node
->mouse_over
)
480 ctx
->capture_mouse_id
= group_uid
;
484 static int ui_want_mouse( ui_ctx
*ctx
)
486 return ctx
->capture_mouse_id
== 0? 0: 1;
489 static void ui_set_clip( ui_ctx
*ctx
, ui_rect clip
)
491 ctx
->clipping
[0] = clip
[0];
492 ctx
->clipping
[1] = clip
[1];
493 ctx
->clipping
[2] = clip
[0] + clip
[2];
494 ctx
->clipping
[3] = clip
[1] + clip
[3];
497 static void ui_release_clip( ui_ctx
*ctx
)
499 ctx
->clipping
[0] = -32000;
500 ctx
->clipping
[1] = -32000;
501 ctx
->clipping
[2] = 32000;
502 ctx
->clipping
[3] = 32000;
506 // ===========================================================================================================
508 static struct ui_vert
*ui_fill_rect_uv( ui_ctx
*ctx
, ui_rect rect
, u32 colour
, ui_px uv
[4] )
510 struct ui_vert
*vertices
= &ctx
->verts
[ ctx
->num_verts
];
511 vertices
[0].co
[0] = rect
[0];
512 vertices
[0].co
[1] = rect
[1];
513 vertices
[0].uv
[0] = uv
[0];
514 vertices
[0].uv
[1] = uv
[1];
515 vertices
[0].colour
= colour
;
516 vertices
[1].co
[0] = rect
[0]+rect
[2];
517 vertices
[1].co
[1] = rect
[1];
518 vertices
[1].uv
[0] = uv
[2];
519 vertices
[1].uv
[1] = uv
[1];
520 vertices
[1].colour
= colour
;
521 vertices
[2].co
[0] = rect
[0]+rect
[2];
522 vertices
[2].co
[1] = rect
[1]+rect
[3];
523 vertices
[2].uv
[0] = uv
[2];
524 vertices
[2].uv
[1] = uv
[3];
525 vertices
[2].colour
= colour
;
526 vertices
[3].co
[0] = rect
[0];
527 vertices
[3].co
[1] = rect
[1]+rect
[3];
528 vertices
[3].uv
[0] = uv
[0];
529 vertices
[3].uv
[1] = uv
[3];
530 vertices
[3].colour
= colour
;
531 u16 ind_start
= ctx
->num_verts
;
532 u16
*indices
= &ctx
->indices
[ ctx
->num_indices
];
534 ui_rect_copy( ctx
->clipping
, vertices
[0].clip
);
535 ui_rect_copy( ctx
->clipping
, vertices
[1].clip
);
536 ui_rect_copy( ctx
->clipping
, vertices
[2].clip
);
537 ui_rect_copy( ctx
->clipping
, vertices
[3].clip
);
539 indices
[0] = ind_start
+0;
540 indices
[1] = ind_start
+2;
541 indices
[2] = ind_start
+1;
543 indices
[3] = ind_start
+0;
544 indices
[4] = ind_start
+3;
545 indices
[5] = ind_start
+2;
547 ctx
->num_indices
+= 6;
553 static struct ui_vert
*ui_fill_rect( ui_ctx
*ctx
, ui_rect rect
, u32 colour
)
555 return ui_fill_rect_uv( ctx
, rect
, colour
, (ui_px
[4]){ 4,4, 4,4 } );
558 static void ui_text( ui_ctx
*ctx
, const char *str
, ui_px scale
)
562 text_cursor
[0] = ctx
->cursor
[0];
563 text_cursor
[1] = ctx
->cursor
[1];
564 text_cursor
[2] = 8*scale
;
565 text_cursor
[3] = 14*scale
;
567 u32 current_colour
= 0x00ffffff;
569 const char *_c
= str
;
571 while( (c
= *(_c
++)) )
575 text_cursor
[1] += 14*scale
;
576 text_cursor
[0] = ctx
->cursor
[0];
579 else if( c
>= 33 && c
<= 126 )
583 glyph_base
[0] = glyph_index
& 0xf;
584 glyph_base
[1] = (glyph_index
-glyph_base
[0])>>4;
589 ui_fill_rect_uv( ctx
, text_cursor
, current_colour
, (ui_px
[4]){glyph_base
[0]+2,glyph_base
[1]+1,glyph_base
[0]+6,glyph_base
[1]+8} );
591 else if( c
== '\x1B' )
595 for( int i
= 0; i
< 3; i
++ )
605 case '0': current_colour
= 0x00ffffff; break;
606 case '3'|'1'<<8: current_colour
= 0x00201fee; break;
607 case '3'|'2'<<8: current_colour
= 0x0037e420; break;
608 case '3'|'3'<<8: current_colour
= 0x000ed8e2; break;
609 case '3'|'4'<<8: current_colour
= 0x00f15010; break;
610 case '3'|'5'<<8: current_colour
= 0x00ee20ee; break;
611 case '3'|'6'<<8: current_colour
= 0x00eeee20; break;
612 case '3'|'7'<<8: current_colour
= 0x00ffffff; break;
618 colour_id
|= _c
[i
] << (i
*8);
628 text_cursor
[0] += 9*scale
;
633 // ====================================================================
635 static void ui_begin( ui_ctx
*ctx
, ui_px res_x
, ui_px res_y
)
639 ctx
->cursor
[2] = res_x
;
640 ctx
->cursor
[3] = res_y
;
642 ui_rect_copy( ctx
->cursor
, ctx
->stack
[0].rect
);
643 ctx
->stack
[0].mouse_over
= 1;
645 ctx
->stack_count
= 1;
648 ctx
->num_indices
= 0;
650 ui_release_clip( ctx
);
652 if( ctx
->click_state
== 0 )
653 ctx
->capture_mouse_id
= 0;
655 ctx
->image_count
= 0;
658 static void ui_resolve( ui_ctx
*ctx
)
660 if( ctx
->stack_count
-1 )
661 vg_exiterr( "[UI] Mismatched node create/drestroy!" );
663 if( ctx
->click_state
== 3 || ctx
->click_state
== 0 )
665 ctx
->capture_lock
= 0;
670 // ====================================================================
672 static void ui_set_mouse( ui_ctx
*ctx
, int x
, int y
, int click_state
)
677 ctx
->click_state
= click_state
;
680 // High level controls
681 // ====================================================================
689 ui_px drag_offset
[2];
694 k_button_released
= 0,
695 k_button_start_click
,
700 static int ui_button( ui_ctx
*ctx
, u32 id
)
704 ui_capture_mouse( ctx
, id
);
706 if( ui_hasmouse(ctx
) )
708 ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours_current
->hover
);
710 if( ctx
->click_state
== 1 )
712 ctx
->capture_lock
= 1;
713 return k_button_start_click
;
715 else if( ctx
->capture_lock
&& ctx
->click_state
== 3 )
716 return k_button_click
;
717 else if( ctx
->capture_lock
&& ctx
->click_state
== 2 )
718 return k_button_hold
;
721 ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours_current
->main
);
724 return k_button_released
;
727 static int ui_window( ui_ctx
*ctx
, struct ui_window
*window
, u32 control_group
)
729 ctx
->id_base
= control_group
<< 16;
733 window
->transform
[0] = ctx
->mouse
[0]+window
->drag_offset
[0];
734 window
->transform
[1] = ctx
->mouse
[1]+window
->drag_offset
[1];
736 ui_clamp_rect( ctx
->stack
[0].rect
, window
->transform
);
738 if( ctx
->click_state
== 0 || ctx
->click_state
== 3 )
744 ui_rect_copy( window
->transform
, ctx
->cursor
);
748 ui_capture_mouse( ctx
, __COUNTER__
);
754 ui_capture_mouse( ctx
, __COUNTER__
);
756 struct ui_vert
*drag_bar
= ui_fill_rect( ctx
, ctx
->cursor
, 0xff555555 );
761 ui_text( ctx
, window
->title
, 2 );
766 ui_align_right( ctx
);
768 ui_rect_pad( ctx
->cursor
, 4 );
770 if( ui_button( ctx
, __COUNTER__
) )
772 vg_info( "Click clacked\n" );
775 ui_text( ctx
, "x", 2 );
778 if( ui_hasmouse( ctx
) )
780 drag_bar
[0].colour
= 0xff777777;
781 drag_bar
[1].colour
= 0xff777777;
782 drag_bar
[2].colour
= 0xff777777;
783 drag_bar
[3].colour
= 0xff777777;
786 if( ctx
->click_state
== 1 )
789 window
->drag_offset
[0] = window
->transform
[0]-ctx
->mouse
[0];
790 window
->drag_offset
[1] = window
->transform
[1]-ctx
->mouse
[1];
810 static void ui_scrollbar( ui_ctx
*ctx
, struct ui_scrollbar
*scrollbar
, u32 id
)
812 scrollbar
->view_height
= ctx
->cursor
[3];
814 if( scrollbar
->drag
)
816 scrollbar
->py
= ctx
->mouse
[1]+scrollbar
->drag_offset
;
817 scrollbar
->py
= VG_MAX( scrollbar
->py
, 0 );
818 scrollbar
->py
= VG_MIN( scrollbar
->py
, ctx
->cursor
[3] - scrollbar
->bar_height
);
820 if( ctx
->click_state
== 0 || ctx
->click_state
== 3 )
826 ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours_current
->background
);
827 ui_capture_mouse( ctx
, id
);
829 ctx
->cursor
[1] += scrollbar
->py
;
830 ctx
->cursor
[3] = scrollbar
->bar_height
;
834 ui_capture_mouse( ctx
, __COUNTER__
);
835 struct ui_vert
*drag_bar
= ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours_current
->bar
);
837 if( ui_hasmouse( ctx
) || scrollbar
->drag
)
839 drag_bar
[0].colour
= ctx
->colours_current
->bar_hover
;
840 drag_bar
[1].colour
= ctx
->colours_current
->bar_hover
;
841 drag_bar
[2].colour
= ctx
->colours_current
->bar_hover
;
842 drag_bar
[3].colour
= ctx
->colours_current
->bar_hover
;
845 if( ctx
->click_state
== 1 )
848 scrollbar
->drag_offset
= scrollbar
->py
- ctx
->mouse
[1];
857 static ui_px
ui_calculate_content_scroll( struct ui_scrollbar
*scrollbar
, ui_px content
)
859 float overlap
= vg_maxf( 0.0f
, (float)(content
- scrollbar
->view_height
) );
861 float range
= scrollbar
->view_height
- scrollbar
->bar_height
;
862 return ((float)scrollbar
->py
/ range
) * overlap
;
865 static void ui_override_colours( ui_ctx
*ctx
, ui_colourset
*set
)
867 ctx
->colours_current
= set
;
870 static void ui_reset_colours( ui_ctx
*ctx
)
872 ctx
->colours_current
= ctx
->colours_main
;
873 ctx
->override_colour
= 0xffffffff;
876 static void ui_push_image( ui_ctx
*ctx
, ui_rect rc
, GLuint image
)
878 struct ui_image
*img
= &ctx
->images
[ ctx
->image_count
++ ];
879 ui_rect_copy( rc
, img
->rc
);
884 #define gui_draw(...) ui_draw( &ui_global_ctx, __VA_ARGS__)
885 #define gui_current(...) ui_current( &ui_global_ctx, __VA_ARGS__)
886 #define gui_new_node() ui_new_node( &ui_global_ctx )
887 #define gui_hasmouse(...) ui_hasmouse( &ui_global_ctx, __VA_ARGS__)
888 #define gui_end() ui_end( &ui_global_ctx )
889 #define gui_end_down() ui_end_down( &ui_global_ctx )
890 #define gui_end_right() ui_end_right( &ui_global_ctx )
891 #define gui_fill_y() ui_fill_y( &ui_global_ctx)
892 #define gui_fill_x() ui_fill_x( &ui_global_ctx)
893 #define gui_align_bottom() ui_align_bottom( &ui_global_ctx )
894 #define gui_align_right() ui_align_right( &ui_global_ctx )
895 #define gui_align_top() ui_align_top( &ui_global_ctx )
896 #define gui_align_left() ui_align_left( &ui_global_ctx )
897 #define gui_clamp_rect(...) ui_clamp_rect( &ui_global_ctx, __VA_ARGS__)
898 #define gui_group_id(...) ui_group_id( &ui_global_ctx, __VA_ARGS__)
899 #define gui_capture_mouse(...) ui_capture_mouse( &ui_global_ctx, __VA_ARGS__)
900 #define gui_set_clip(...) ui_set_clip( &ui_global_ctx, __VA_ARGS__)
901 #define gui_release_clip() ui_release_clip( &ui_global_ctx )
902 #define gui_fill_rect_uv(...) ui_fill_rect_uv( &ui_global_ctx, __VA_ARGS__)
903 #define gui_fill_rect(...) ui_fill_rect( &ui_global_ctx, __VA_ARGS__)
904 #define gui_text(...) ui_text( &ui_global_ctx, __VA_ARGS__)
905 #define gui_begin(...) ui_begin( &ui_global_ctx, __VA_ARGS__)
906 #define gui_resolve(...) ui_resolve( &ui_global_ctx, __VA_ARGS__)
907 #define gui_set_mouse(...) ui_set_mouse( &ui_global_ctx, __VA_ARGS__)
908 #define gui_button(...) ui_button( &ui_global_ctx, __VA_ARGS__)
909 #define gui_window(...) ui_window( &ui_global_ctx, __VA_ARGS__)
910 #define gui_want_mouse() ui_want_mouse( &ui_global_ctx )
911 #define gui_push_image(...) ui_push_image( &ui_global_ctx, __VA_ARGS__ )
912 #define gui_scrollbar(...) ui_scrollbar( &ui_global_ctx, __VA_ARGS__)
913 #define gui_override_colours(...) ui_override_colours( &ui_global_ctx, __VA_ARGS__)
914 #define gui_reset_colours(...) ui_reset_colours( &ui_global_ctx )