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[ui] Change draw order from 16-bit to 32-bit

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With the scroll box work I'm doing, I realized 16 bits is a little
cramped. Although I doubt it would be that much of a problem, switching
to 32 bits turned out to be free because of alignment.
This commit is contained in:
Bill Currie 2023-12-23 14:31:58 +09:00
parent 34f16e10e4
commit 6faa78eaa1
2 changed files with 25 additions and 14 deletions
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12
include/QF/ui/canvas.h
View file

@ -60,8 +60,8 @@ enum {
typedef struct canvas_s {
ecs_registry_t *reg;
uint32_t base;
int16_t draw_order;
int16_t draw_group;
int32_t draw_order;
int32_t draw_group;
bool visible;
uint32_t range[canvas_canvas];
} canvas_t;
@ -100,9 +100,9 @@ void Canvas_SetLen (canvas_system_t canvas_sys, uint32_t ent, view_pos_t len);
CANVASINLINE view_t Canvas_GetRootView (canvas_system_t canvas_sys,
uint32_t ent);
CANVASINLINE bool *Canvas_Visible (canvas_system_t canvas_sys, uint32_t ent);
CANVASINLINE int16_t *Canvas_DrawGroup (canvas_system_t canvas_sys,
CANVASINLINE int32_t *Canvas_DrawGroup (canvas_system_t canvas_sys,
uint32_t ent);
CANVASINLINE int16_t *Canvas_DrawOrder (canvas_system_t canvas_sys,
CANVASINLINE int32_t *Canvas_DrawOrder (canvas_system_t canvas_sys,
uint32_t ent);
void Canvas_DrawSort (canvas_system_t canvas_sys);
@ -131,7 +131,7 @@ Canvas_Visible (canvas_system_t canvas_sys, uint32_t ent)
}
CANVASINLINE
int16_t *
int32_t *
Canvas_DrawGroup (canvas_system_t canvas_sys, uint32_t ent)
{
uint32_t comp = canvas_sys.base + canvas_canvas;
@ -140,7 +140,7 @@ Canvas_DrawGroup (canvas_system_t canvas_sys, uint32_t ent)
}
CANVASINLINE
int16_t *
int32_t *
Canvas_DrawOrder (canvas_system_t canvas_sys, uint32_t ent)
{
uint32_t comp = canvas_sys.base + canvas_canvas;

27
libs/ui/imui.c
View file

@ -61,9 +61,10 @@
#define c_color (ctx->tsys.text_base + text_color)
#define c_fill (ctx->csys.base + canvas_fill)
#define imui_draw_group ((1 << 14) - 1)
#define imui_ontop ((1 << 15) - 1)
#define imui_onbottom (-(1 << 15) + 1)
#define imui_draw_group ((1 << 30) - 1)
#define imui_draw_order(x) ((x) << 16)
#define imui_ontop imui_draw_order((1 << 15) - 1)
#define imui_onbottom imui_draw_order(-(1 << 15) + 1)
const component_t imui_components[imui_comp_count] = {
[imui_percent_x] = {
@ -87,7 +88,8 @@ typedef struct imui_state_s {
uint32_t label_len;
int key_offset;
imui_window_t *menu;
int16_t draw_order; // for window canvases
int32_t draw_order; // for window canvases
int32_t draw_group;
uint32_t frame_count;
uint32_t old_entity;
uint32_t entity;
@ -117,7 +119,7 @@ struct imui_ctx_s {
view_t current_parent;
struct DARRAY_TYPE(view_t) parent_stack;
struct DARRAY_TYPE(imui_state_t *) windows;
int16_t draw_order;
int32_t draw_order;
imui_window_t *current_menu;
imui_state_t *current_state;
@ -138,6 +140,14 @@ struct imui_ctx_s {
struct DARRAY_TYPE(imui_style_t) style_stack;
};
static int32_t
imui_next_window (imui_ctx_t *ctx)
{
ctx->draw_order &= ~(imui_draw_order (1) - 1);
ctx->draw_order += imui_draw_order (1);
return ctx->draw_order;
}
static imui_state_t *
imui_state_new (imui_ctx_t *ctx, uint32_t entity)
{
@ -364,7 +374,7 @@ IMUI_BeginFrame (imui_ctx_t *ctx)
auto window = View_FromEntity (ctx->vsys, ctx->windows.a[i]->entity);
View_Delete (window);
}
ctx->draw_order = ctx->windows.size;
ctx->draw_order = imui_draw_order (ctx->windows.size);
DARRAY_RESIZE (&ctx->parent_stack, 0);
DARRAY_RESIZE (&ctx->windows, 0);
DARRAY_RESIZE (&ctx->style_stack, 0);
@ -729,7 +739,7 @@ sort_windows (imui_ctx_t *ctx)
imui_window_cmp);
for (uint32_t i = 0; i < ctx->windows.size; i++) {
auto window = ctx->windows.a[i];
window->draw_order = i + 1;
window->draw_order = imui_draw_order (i + 1);
*Canvas_DrawOrder (ctx->csys, window->entity) = window->draw_order;
}
}
@ -1258,6 +1268,7 @@ IMUI_StartPanel (imui_ctx_t *ctx, imui_window_t *panel)
auto panel_view = Canvas_GetRootView (ctx->csys, canvas);
auto state = imui_get_state (ctx, panel->name, panel_view.id);
state->draw_group = draw_group;
panel->mode = update_hot_active (ctx, state);
DARRAY_APPEND (&ctx->parent_stack, ctx->current_parent);
@ -1274,7 +1285,7 @@ IMUI_StartPanel (imui_ctx_t *ctx, imui_window_t *panel)
DARRAY_APPEND (&ctx->windows, state);
if (!state->draw_order) {
state->draw_order = ++ctx->draw_order;
state->draw_order = imui_next_window (ctx);
}
auto semantic = panel->auto_fit ? imui_size_fitchildren : imui_size_pixels;