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;" // i8, i8
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 );"
41 "vec4 glyph = texture( uTexGlyphs, aTexCoords );"
42 "FragColor = vec4( aColour.rgb * glyph.rgb, aColour.a*glyph.a*clip_blend );"
45 UNIFORMS({ "uPv", "uTexGlyphs" })
48 #define UI_AUTO_FILL 0
52 // ===========================================================================================================
55 typedef u32 ui_colour
;
56 typedef ui_px ui_rect
[4];
57 typedef struct ui_ctx ui_ctx
;
58 typedef struct ui_colourset ui_colourset
;
112 u32 capture_mouse_id
;
119 int click_state
; // 0: released, 1: on down, 2: pressed, 3: on release
121 ui_colourset
*colours_main
;
122 ui_colourset
*colours_current
;
138 // ===========================================================================================================
141 int ui_glyph_override
= 0;
142 ui_px ui_glyph_spacing_x
= 6;
143 GLuint ui_glyph_texture
= 0;
145 ui_colourset ui_default_colours
= {
150 ui_ctx ui_global_ctx
= {
152 .colours_main
= &ui_default_colours
157 // ===========================================================================================================
159 static void ui_reset_colours( ui_ctx
*ctx
);
160 static void ui_init_context( ui_ctx
*ctx
, int index_buffer_size
)
162 ui_reset_colours( ctx
);
164 u32 vertex_buffer_size
= (index_buffer_size
+(index_buffer_size
/2));
166 // Generate the buffer we are gonna be drawing to
168 glGenVertexArrays(1, &ctx
->vao
);
169 glGenBuffers( 1, &ctx
->vbo
);
170 glGenBuffers( 1, &ctx
->ebo
);
171 glBindVertexArray( ctx
->vao
);
173 glBindBuffer( GL_ARRAY_BUFFER
, ctx
->vbo
);
175 glBufferData( GL_ARRAY_BUFFER
, vertex_buffer_size
* sizeof( struct ui_vert
), NULL
, GL_DYNAMIC_DRAW
);
176 glBindVertexArray( ctx
->vao
);
178 glBindBuffer( GL_ELEMENT_ARRAY_BUFFER
, ctx
->ebo
);
179 glBufferData( GL_ELEMENT_ARRAY_BUFFER
, index_buffer_size
* sizeof( u16
), NULL
, GL_DYNAMIC_DRAW
);
181 u32
const stride
= sizeof( struct ui_vert
);
184 glVertexAttribPointer( 0, 2, GL_SHORT
, GL_FALSE
, stride
, (void *)offsetof( struct ui_vert
, co
) );
185 glEnableVertexAttribArray( 0 );
188 glVertexAttribPointer( 1, 2, GL_UNSIGNED_BYTE
, GL_FALSE
, stride
, (void *)offsetof( struct ui_vert
, uv
) );
189 glEnableVertexAttribArray( 1 );
192 glVertexAttribPointer( 2, 4, GL_UNSIGNED_BYTE
, GL_TRUE
, stride
, (void *)offsetof( struct ui_vert
, colour
) );
193 glEnableVertexAttribArray( 2 );
196 glVertexAttribPointer( 3, 4, GL_SHORT
, GL_FALSE
, stride
, (void *)offsetof( struct ui_vert
, clip
) );
197 glEnableVertexAttribArray( 3 );
200 // Initialize default context
202 ctx
->verts
= (struct ui_vert
*)malloc( vertex_buffer_size
* sizeof(struct ui_vert
) );
203 ctx
->indices
= (u16
*)malloc( index_buffer_size
* sizeof(u16
) );
207 static void ui_context_free( ui_ctx
*ctx
)
209 glDeleteVertexArrays( 1, &ctx
->vao
);
210 glDeleteBuffers( 1, &ctx
->vbo
);
211 glDeleteBuffers( 1, &ctx
->ebo
);
214 free( ctx
->indices
);
217 static void ui_override_font( GLuint new_tex
, ui_px space_x
)
219 if( ui_glyph_texture
)
220 glDeleteTextures( 1, &ui_glyph_texture
);
222 ui_glyph_texture
= new_tex
;
223 ui_glyph_override
= 1;
224 ui_glyph_spacing_x
= space_x
;
227 static void ui_default_init(void)
230 if( !ui_glyph_override
)
233 #include "fonts/weiholmir.h"
236 u32 pixels
= 0, total
= 72*72, data
= 0;
237 u8
*image
= malloc( total
);
239 while( pixels
< total
)
241 for( int b
= 31; b
>= 0; b
-- )
243 image
[ pixels
++ ] = (compressed
[data
] & (0x1 << b
))? 0xff: 0x00;
245 if( pixels
>= total
)
254 glGenTextures( 1, &ui_glyph_texture
);
255 glBindTexture( GL_TEXTURE_2D
, ui_glyph_texture
);
257 glTexImage2D( GL_TEXTURE_2D
, 0, GL_R8
, 72, 72, 0, GL_RED
, GL_UNSIGNED_BYTE
, image
);
265 // Setup OpenGL memory
266 SHADER_INIT( shader_ui
);
267 ui_init_context( &ui_global_ctx
, 20000 );
270 static void ui_default_free(void)
272 if( !ui_glyph_override
)
273 glDeleteTextures( 1, &ui_glyph_texture
);
275 ui_context_free( &ui_global_ctx
);
278 static struct ui_vert
*ui_fill_rect_uv( ui_ctx
*ctx
, ui_rect rect
, u32 colour
, ui_px uv
[4] );
279 static void ui_draw( ui_ctx
*ctx
, m3x3f view_override
)
281 u32 num_indices_normal
= ctx
->num_indices
;
283 // Append images to back of buffer
284 for( int i
= 0; i
< ctx
->image_count
; i
++ )
285 ui_fill_rect_uv( ctx
, ctx
->images
[i
].rc
, 0xffffffff, (ui_px
[4]){0,0,128,128} );
287 glBindVertexArray( ctx
->vao
);
289 glBindBuffer( GL_ARRAY_BUFFER
, ctx
->vbo
);
290 glBufferSubData( GL_ARRAY_BUFFER
, 0, ctx
->num_verts
* sizeof( struct ui_vert
), ctx
->verts
);
292 glBindBuffer( GL_ELEMENT_ARRAY_BUFFER
, ctx
->ebo
);
293 glBufferSubData( GL_ELEMENT_ARRAY_BUFFER
, 0, ctx
->num_indices
* sizeof( u16
), ctx
->indices
);
296 glBlendFunc(GL_SRC_ALPHA
, GL_ONE_MINUS_SRC_ALPHA
);
297 glBlendEquation(GL_FUNC_ADD
);
299 SHADER_USE( shader_ui
);
301 m3x3f view
= M3X3_IDENTITY
;
305 view_override
= view
;
307 m3x3_translate( view
, (v3f
){ -1.0f
, 1.0f
, 0.0f
} );
308 m3x3_scale( view
, (v3f
){ 1.0f
/((float)vg_window_x
*0.5f
), -1.0f
/((float)vg_window_y
*0.5f
), 1.0f
} );
311 glUniformMatrix3fv( SHADER_UNIFORM( shader_ui
, "uPv" ), 1, GL_FALSE
, (float *)view_override
);
313 glActiveTexture( GL_TEXTURE0
);
314 glBindTexture( GL_TEXTURE_2D
, ui_glyph_texture
);
315 glUniform1i( SHADER_UNIFORM( shader_ui
, "uTexGlyphs" ), 0 );
317 glDrawElements( GL_TRIANGLES
, num_indices_normal
, GL_UNSIGNED_SHORT
, (void*)(0) );
319 // Draw image elements
320 for( int i
= 0; i
< ctx
->image_count
; i
++ )
322 struct ui_image
*img
= &ctx
->images
[i
];
324 glBindTexture( GL_TEXTURE_2D
, img
->image
);
325 glDrawElements( GL_TRIANGLES
, 6, GL_UNSIGNED_SHORT
, (void*)( (num_indices_normal
+ 6*i
)*sizeof(u16
) ) );
332 // ===========================================================================================================
334 static void ui_rect_copy( ui_rect src
, ui_rect dst
)
342 static void ui_rect_pad( ui_rect rect
, ui_px pad
)
350 static void ui_vis_rect( ui_rect rect
, u32 colour
)
358 p1
[0] = rect
[0]+rect
[2];
359 p1
[1] = rect
[1]+rect
[3];
361 vg_line( p0
, (v2f
){p1
[0],p0
[1]}, colour
);
362 vg_line( (v2f
){p1
[0],p0
[1]}, p1
, colour
);
363 vg_line( p1
, (v2f
){p0
[0],p1
[1]}, colour
);
364 vg_line( (v2f
){p0
[0],p1
[1]}, p0
, colour
);
369 // ===========================================================================================================
371 static struct ui_qnode
*ui_current( ui_ctx
*ctx
)
373 return &ctx
->stack
[ ctx
->stack_count
-1 ];
376 static void ui_new_node( ui_ctx
*ctx
)
378 if( ctx
->stack_count
== vg_list_size( ctx
->stack
) )
379 vg_exiterr( "[UI] Stack overflow while creating box!" );
381 struct ui_qnode
*parent
= &ctx
->stack
[ ctx
->stack_count
-1 ];
382 struct ui_qnode
*node
= &ctx
->stack
[ ctx
->stack_count
++ ];
383 ui_rect_copy( ctx
->cursor
, node
->rect
);
385 if( parent
->mouse_over
)
387 if( ctx
->mouse
[0] >= node
->rect
[0] && ctx
->mouse
[0] <= node
->rect
[0]+node
->rect
[2] &&
388 ctx
->mouse
[1] >= node
->rect
[1] && ctx
->mouse
[1] <= node
->rect
[1]+node
->rect
[3] )
389 node
->mouse_over
= 1;
391 node
->mouse_over
= 0;
395 node
->mouse_over
= 0;
399 static int ui_hasmouse( ui_ctx
*ctx
)
401 struct ui_qnode
*node
= ui_current( ctx
);
402 return (node
->mouse_over
&& (node
->capture_id
== ctx
->capture_mouse_id
));
405 static void ui_end( ui_ctx
*ctx
)
407 struct ui_qnode
*node
= &ctx
->stack
[ --ctx
->stack_count
];
409 ui_rect_copy( node
->rect
, ctx
->cursor
);
410 ui_vis_rect( ctx
->cursor
,
411 (node
->mouse_over
&& (node
->capture_id
== ctx
->capture_mouse_id
))? 0xffff0000: 0xff0000ff );
414 static void ui_end_down( ui_ctx
*ctx
)
416 ui_px height
= ui_current( ctx
)->rect
[3];
418 ctx
->cursor
[1] += height
;
421 static void ui_end_right( ui_ctx
*ctx
)
423 ui_px width
= ui_current( ctx
)->rect
[2];
425 ctx
->cursor
[0] += width
;
428 static void ui_fill_y( ui_ctx
*ctx
)
430 struct ui_qnode
*node
= ui_current( ctx
);
431 ctx
->cursor
[3] = node
->rect
[3] - (ctx
->cursor
[1]-node
->rect
[1]);
434 static void ui_fill_x( ui_ctx
*ctx
)
436 struct ui_qnode
*node
= ui_current( ctx
);
437 ctx
->cursor
[2] = node
->rect
[2] - (ctx
->cursor
[0]-node
->rect
[0]);
440 // Alignment: | [] | -> | []|
441 static void ui_align_bottom( ui_ctx
*ctx
)
443 struct ui_qnode
*node
= ui_current( ctx
);
444 ctx
->cursor
[1] = node
->rect
[1] + node
->rect
[3] - ctx
->cursor
[3];
447 static void ui_align_right( ui_ctx
*ctx
)
449 struct ui_qnode
*node
= ui_current( ctx
);
450 ctx
->cursor
[0] = node
->rect
[0] + node
->rect
[2] - ctx
->cursor
[2];
453 static void ui_align_top( ui_ctx
*ctx
)
455 ctx
->cursor
[1] = ui_current( ctx
)->rect
[1];
458 static void ui_align_left( ui_ctx
*ctx
)
460 ctx
->cursor
[0] = ui_current( ctx
)->rect
[0];
463 static void ui_clamp_rect( ui_rect parent
, ui_rect dest
)
465 dest
[0] = vg_min( parent
[0] + parent
[2] - dest
[2], dest
[0] );
466 dest
[1] = vg_min( parent
[1] + parent
[3] - dest
[3], dest
[1] );
467 dest
[0] = vg_max( parent
[0], dest
[0] );
468 dest
[1] = vg_max( parent
[1], dest
[1] );
471 static u32
ui_group_id( ui_ctx
*ctx
, u32 lesser_unique
)
473 return ctx
->id_base
| lesser_unique
;
476 static void ui_capture_mouse( ui_ctx
*ctx
, u32 id
)
478 u32 group_uid
= ui_group_id(ctx
,id
);
480 struct ui_qnode
*node
= &ctx
->stack
[ ctx
->stack_count
-1 ];
481 node
->capture_id
= group_uid
;
483 if( !ctx
->capture_lock
&& node
->mouse_over
)
485 ctx
->capture_mouse_id
= group_uid
;
489 static int ui_want_mouse( ui_ctx
*ctx
)
491 return ctx
->capture_mouse_id
== 0? 0: 1;
494 static void ui_set_clip( ui_ctx
*ctx
, ui_rect clip
)
496 ctx
->clipping
[0] = clip
[0];
497 ctx
->clipping
[1] = clip
[1];
498 ctx
->clipping
[2] = clip
[0] + clip
[2];
499 ctx
->clipping
[3] = clip
[1] + clip
[3];
502 static void ui_release_clip( ui_ctx
*ctx
)
504 ctx
->clipping
[0] = -32000;
505 ctx
->clipping
[1] = -32000;
506 ctx
->clipping
[2] = 32000;
507 ctx
->clipping
[3] = 32000;
511 // ===========================================================================================================
513 static struct ui_vert
*ui_fill_rect_uv( ui_ctx
*ctx
, ui_rect rect
, u32 colour
, ui_px uv
[4] )
515 struct ui_vert
*vertices
= &ctx
->verts
[ ctx
->num_verts
];
516 vertices
[0].co
[0] = rect
[0];
517 vertices
[0].co
[1] = rect
[1];
518 vertices
[0].uv
[0] = uv
[0];
519 vertices
[0].uv
[1] = uv
[1];
520 vertices
[0].colour
= colour
;
521 vertices
[1].co
[0] = rect
[0]+rect
[2];
522 vertices
[1].co
[1] = rect
[1];
523 vertices
[1].uv
[0] = uv
[2];
524 vertices
[1].uv
[1] = uv
[1];
525 vertices
[1].colour
= colour
;
526 vertices
[2].co
[0] = rect
[0]+rect
[2];
527 vertices
[2].co
[1] = rect
[1]+rect
[3];
528 vertices
[2].uv
[0] = uv
[2];
529 vertices
[2].uv
[1] = uv
[3];
530 vertices
[2].colour
= colour
;
531 vertices
[3].co
[0] = rect
[0];
532 vertices
[3].co
[1] = rect
[1]+rect
[3];
533 vertices
[3].uv
[0] = uv
[0];
534 vertices
[3].uv
[1] = uv
[3];
535 vertices
[3].colour
= colour
;
536 u16 ind_start
= ctx
->num_verts
;
537 u16
*indices
= &ctx
->indices
[ ctx
->num_indices
];
539 ui_rect_copy( ctx
->clipping
, vertices
[0].clip
);
540 ui_rect_copy( ctx
->clipping
, vertices
[1].clip
);
541 ui_rect_copy( ctx
->clipping
, vertices
[2].clip
);
542 ui_rect_copy( ctx
->clipping
, vertices
[3].clip
);
544 indices
[0] = ind_start
+0;
545 indices
[1] = ind_start
+2;
546 indices
[2] = ind_start
+1;
548 indices
[3] = ind_start
+0;
549 indices
[4] = ind_start
+3;
550 indices
[5] = ind_start
+2;
552 ctx
->num_indices
+= 6;
558 static struct ui_vert
*ui_fill_rect( ui_ctx
*ctx
, ui_rect rect
, u32 colour
)
560 return ui_fill_rect_uv( ctx
, rect
, colour
, (ui_px
[4]){ 4,124,4,124 } );
563 static void ui_text_use_title( ui_ctx
*ctx
)
568 static void ui_text_use_paragraph( ui_ctx
*ctx
)
575 k_text_alignment_left
= 0,
576 k_text_alignment_center
579 static void ui_text( ui_ctx
*ctx
, const char *str
, ui_px scale
, enum text_alignment alignment
)
583 text_cursor
[0] = ctx
->cursor
[0];
584 text_cursor
[1] = ctx
->cursor
[1];
585 text_cursor
[2] = (scale
*8)/2;
586 text_cursor
[3] = (scale
*8)/2;
588 u32 current_colour
= ctx
->override_colour
;
590 const char *_c
= str
;
592 while( (c
= *(_c
++)) )
596 text_cursor
[1] += (7*scale
)/2;
597 text_cursor
[0] = ctx
->cursor
[0];
600 else if( c
>= 33 && c
<= 126 )
603 u8 glyph_index
= c
- 32;
604 glyph_base
[0] = (glyph_index
&0xf);
605 glyph_base
[1] = ctx
->glyph_base
+ ((glyph_index
-glyph_base
[0])>>4);
610 ui_fill_rect_uv( ctx
, text_cursor
, current_colour
,
615 128-(glyph_base
[1]+8)
618 else if( c
== '\x1B' )
622 for( int i
= 0; i
< 3; i
++ )
632 case '0': current_colour
= 0xffffffff; break;
633 case '3'|'1'<<8: current_colour
= 0xff201fee; break;
634 case '3'|'2'<<8: current_colour
= 0xff37e420; break;
635 case '3'|'3'<<8: current_colour
= 0xff0ed8e2; break;
636 case '3'|'4'<<8: current_colour
= 0xfff15010; break;
637 case '3'|'5'<<8: current_colour
= 0xffee20ee; break;
638 case '3'|'6'<<8: current_colour
= 0xffeeee20; break;
639 case '3'|'7'<<8: current_colour
= 0xffffffff; break;
645 colour_id
|= _c
[i
] << (i
*8);
656 text_cursor
[0] += (ui_glyph_spacing_x
*scale
)/4;
661 // ====================================================================
663 static void ui_begin( ui_ctx
*ctx
, ui_px res_x
, ui_px res_y
)
667 ctx
->cursor
[2] = res_x
;
668 ctx
->cursor
[3] = res_y
;
670 ui_rect_copy( ctx
->cursor
, ctx
->stack
[0].rect
);
671 ctx
->stack
[0].mouse_over
= 1;
673 ctx
->stack_count
= 1;
676 ctx
->num_indices
= 0;
678 ui_release_clip( ctx
);
680 if( ctx
->click_state
== 0 )
681 ctx
->capture_mouse_id
= 0;
683 ctx
->image_count
= 0;
686 static void ui_resolve( ui_ctx
*ctx
)
688 if( ctx
->stack_count
-1 )
689 vg_exiterr( "[UI] Mismatched node create/drestroy!" );
691 if( ctx
->click_state
== 3 || ctx
->click_state
== 0 )
693 ctx
->capture_lock
= 0;
698 // ====================================================================
700 static void ui_set_mouse( ui_ctx
*ctx
, int x
, int y
, int click_state
)
705 ctx
->click_state
= click_state
;
708 // High level controls
709 // ====================================================================
717 ui_px drag_offset
[2];
722 k_button_released
= 0,
723 k_button_start_click
,
728 static int ui_button( ui_ctx
*ctx
, u32 id
)
732 ui_capture_mouse( ctx
, id
);
734 if( ui_hasmouse(ctx
) )
736 ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours_current
->hover
);
738 if( ctx
->click_state
== 1 )
740 ctx
->capture_lock
= 1;
741 return k_button_start_click
;
743 else if( ctx
->capture_lock
&& ctx
->click_state
== 3 )
744 return k_button_click
;
745 else if( ctx
->capture_lock
&& ctx
->click_state
== 2 )
746 return k_button_hold
;
749 ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours_current
->main
);
752 return k_button_released
;
755 static int ui_window( ui_ctx
*ctx
, struct ui_window
*window
, u32 control_group
)
757 ctx
->id_base
= control_group
<< 16;
761 window
->transform
[0] = ctx
->mouse
[0]+window
->drag_offset
[0];
762 window
->transform
[1] = ctx
->mouse
[1]+window
->drag_offset
[1];
764 ui_clamp_rect( ctx
->stack
[0].rect
, window
->transform
);
766 if( ctx
->click_state
== 0 || ctx
->click_state
== 3 )
772 ui_rect_copy( window
->transform
, ctx
->cursor
);
776 ui_capture_mouse( ctx
, __COUNTER__
);
782 ui_capture_mouse( ctx
, __COUNTER__
);
784 struct ui_vert
*drag_bar
= ui_fill_rect( ctx
, ctx
->cursor
, 0xff555555 );
789 ui_text( ctx
, window
->title
, 2, 0 );
794 ui_align_right( ctx
);
796 ui_rect_pad( ctx
->cursor
, 4 );
798 if( ui_button( ctx
, __COUNTER__
) )
800 vg_info( "Click clacked\n" );
803 ui_text( ctx
, "x", 2, 0 );
806 if( ui_hasmouse( ctx
) )
808 drag_bar
[0].colour
= 0xff777777;
809 drag_bar
[1].colour
= 0xff777777;
810 drag_bar
[2].colour
= 0xff777777;
811 drag_bar
[3].colour
= 0xff777777;
814 if( ctx
->click_state
== 1 )
817 window
->drag_offset
[0] = window
->transform
[0]-ctx
->mouse
[0];
818 window
->drag_offset
[1] = window
->transform
[1]-ctx
->mouse
[1];
838 static void ui_scrollbar( ui_ctx
*ctx
, struct ui_scrollbar
*scrollbar
, u32 id
)
840 scrollbar
->view_height
= ctx
->cursor
[3];
842 if( scrollbar
->drag
)
844 scrollbar
->py
= ctx
->mouse
[1]+scrollbar
->drag_offset
;
845 scrollbar
->py
= VG_MAX( scrollbar
->py
, 0 );
846 scrollbar
->py
= VG_MIN( scrollbar
->py
, ctx
->cursor
[3] - scrollbar
->bar_height
);
848 if( ctx
->click_state
== 0 || ctx
->click_state
== 3 )
854 ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours_current
->background
);
855 ui_capture_mouse( ctx
, id
);
857 ctx
->cursor
[1] += scrollbar
->py
;
858 ctx
->cursor
[3] = scrollbar
->bar_height
;
862 ui_capture_mouse( ctx
, __COUNTER__
);
863 struct ui_vert
*drag_bar
= ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours_current
->bar
);
865 if( ui_hasmouse( ctx
) || scrollbar
->drag
)
867 drag_bar
[0].colour
= ctx
->colours_current
->bar_hover
;
868 drag_bar
[1].colour
= ctx
->colours_current
->bar_hover
;
869 drag_bar
[2].colour
= ctx
->colours_current
->bar_hover
;
870 drag_bar
[3].colour
= ctx
->colours_current
->bar_hover
;
873 if( ctx
->click_state
== 1 )
876 scrollbar
->drag_offset
= scrollbar
->py
- ctx
->mouse
[1];
885 static ui_px
ui_calculate_content_scroll( struct ui_scrollbar
*scrollbar
, ui_px content
)
887 float overlap
= vg_maxf( 0.0f
, (float)(content
- scrollbar
->view_height
) );
889 float range
= scrollbar
->view_height
- scrollbar
->bar_height
;
890 return ((float)scrollbar
->py
/ range
) * overlap
;
893 static void ui_override_colours( ui_ctx
*ctx
, ui_colourset
*set
)
895 ctx
->colours_current
= set
;
898 static void ui_reset_colours( ui_ctx
*ctx
)
900 ctx
->colours_current
= ctx
->colours_main
;
901 ctx
->override_colour
= 0xffffffff;
904 static void ui_push_image( ui_ctx
*ctx
, ui_rect rc
, GLuint image
)
906 struct ui_image
*img
= &ctx
->images
[ ctx
->image_count
++ ];
907 ui_rect_copy( rc
, img
->rc
);
912 #define gui_draw(...) ui_draw( &ui_global_ctx, __VA_ARGS__)
913 #define gui_current(...) ui_current( &ui_global_ctx, __VA_ARGS__)
914 #define gui_new_node() ui_new_node( &ui_global_ctx )
915 #define gui_hasmouse(...) ui_hasmouse( &ui_global_ctx, __VA_ARGS__)
916 #define gui_end() ui_end( &ui_global_ctx )
917 #define gui_end_down() ui_end_down( &ui_global_ctx )
918 #define gui_end_right() ui_end_right( &ui_global_ctx )
919 #define gui_fill_y() ui_fill_y( &ui_global_ctx)
920 #define gui_fill_x() ui_fill_x( &ui_global_ctx)
921 #define gui_align_bottom() ui_align_bottom( &ui_global_ctx )
922 #define gui_align_right() ui_align_right( &ui_global_ctx )
923 #define gui_align_top() ui_align_top( &ui_global_ctx )
924 #define gui_align_left() ui_align_left( &ui_global_ctx )
925 #define gui_clamp_rect(...) ui_clamp_rect( &ui_global_ctx, __VA_ARGS__)
926 #define gui_group_id(...) ui_group_id( &ui_global_ctx, __VA_ARGS__)
927 #define gui_capture_mouse(...) ui_capture_mouse( &ui_global_ctx, __VA_ARGS__)
928 #define gui_set_clip(...) ui_set_clip( &ui_global_ctx, __VA_ARGS__)
929 #define gui_release_clip() ui_release_clip( &ui_global_ctx )
930 #define gui_fill_rect_uv(...) ui_fill_rect_uv( &ui_global_ctx, __VA_ARGS__)
931 #define gui_fill_rect(...) ui_fill_rect( &ui_global_ctx, __VA_ARGS__)
932 #define gui_text(...) ui_text( &ui_global_ctx, __VA_ARGS__)
933 #define gui_begin(...) ui_begin( &ui_global_ctx, __VA_ARGS__)
934 #define gui_resolve(...) ui_resolve( &ui_global_ctx, __VA_ARGS__)
935 #define gui_set_mouse(...) ui_set_mouse( &ui_global_ctx, __VA_ARGS__)
936 #define gui_button(...) ui_button( &ui_global_ctx, __VA_ARGS__)
937 #define gui_window(...) ui_window( &ui_global_ctx, __VA_ARGS__)
938 #define gui_want_mouse() ui_want_mouse( &ui_global_ctx )
939 #define gui_push_image(...) ui_push_image( &ui_global_ctx, __VA_ARGS__ )
940 #define gui_scrollbar(...) ui_scrollbar( &ui_global_ctx, __VA_ARGS__)
941 #define gui_override_colours(...) ui_override_colours( &ui_global_ctx, __VA_ARGS__)
942 #define gui_reset_colours(...) ui_reset_colours( &ui_global_ctx )