ra8_widget_toolbar.c

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#include "ra8_widget_toolbar.h"
 
#include "ra8_check.h"
#include "ra8_ui.h"
#include "ra8_widget.h"
#include "ra8_widget_internal.h"

static const char* s_tag = "ra8_widget_toolbar";

RA8_INTERNAL
static ra8_ui_rect_t internal_tb_field_rect(const ra8_widget_toolbar_t* bar,
                                            const ra8_ui_rect_t*        band)
{
  const int32_t pad     = (int32_t)bar->pad;
  const int32_t chip    = (int32_t)bar->count_w;
  const int32_t field_w = band->w - (pad + pad) - chip - pad;
  ra8_ui_rect_t r       = {};
  r.x                   = band->x + pad;
  r.y                   = band->y + pad;
  r.w                   = (field_w > 0) ? field_w : 0;
  r.h                   = band->h - (pad + pad);
  return r;
}

RA8_INTERNAL
static void internal_tb_render(ra8_widget_t* w)
{
  ra8_widget_toolbar_t* bar = (ra8_widget_toolbar_t*)w->ctx;
  if (bar == nullptr) {
    return;
  }
  if (bar->paint == nullptr) {
    return;
  }
  const ra8_widget_paint_t* p     = bar->paint;
  const ra8_ui_rect_t*      band  = &w->rect;
  const ra8_ui_rect_t       field = internal_tb_field_rect(bar, band);
  priv_widget_fill_box(p, band, bar->bg, bar->bg, (int16_t)0);
  priv_widget_fill_box(p, &field, bar->field, bar->border, bar->border_w);
  if (p->draw_text == nullptr) {
    return;
  }
  if (bar->hint != nullptr) {
    int32_t hx = 0;
    int32_t hy = 0;
    priv_widget_text_pos(p, &field, bar->hint, bar->pad, k_ra8_widget_align_left, &hx, &hy);
    p->draw_text(p->user, hx, hy, bar->hint, bar->hint_fg, bar->field);
  }
  if (bar->count != nullptr) {
    int32_t cx = 0;
    int32_t cy = 0;
    priv_widget_text_pos(p, band, bar->count, bar->pad, k_ra8_widget_align_right, &cx, &cy);
    p->draw_text(p->user, cx, cy, bar->count, bar->count_fg, bar->bg);
  }
}

RA8_INTERNAL
static bool internal_tb_on_input(ra8_widget_t* w, const ra8_widget_event_t* ev)
{
  ra8_widget_toolbar_t* bar = (ra8_widget_toolbar_t*)w->ctx;
  if (bar == nullptr) {
    return false;
  }
  if (ev->kind != k_ra8_widget_ev_touch) {
    return false;
  }
  const ra8_ui_rect_t field = internal_tb_field_rect(bar, &w->rect);
  if (!ra8_ui_rect_contains(&field, ev->x, ev->y)) {
    return false;
  }
  bar->searches++;
  (void)ra8_widget_invalidate(w, k_ra8_widget_refresh_fast);
  if (bar->on_search != nullptr) {
    bar->on_search(w);
  }
  return true;
}

static const ra8_widget_vtable_t s_tb_vt = {
  .measure  = nullptr,
  .render   = internal_tb_render,
  .on_input = internal_tb_on_input,
};
 
const ra8_widget_vtable_t* ra8_widget_toolbar_vtable(void)
{
  return &s_tb_vt;
}
 
[[nodiscard]] ra8_err_t ra8_widget_toolbar_init(ra8_widget_t* w, ra8_widget_toolbar_t* bar)
{
  RA8_CHECK_NULL_PTR(w, s_tag, "w must not be nullptr");
  RA8_CHECK_NULL_PTR(bar, s_tag, "bar must not be nullptr");
  w->vt      = ra8_widget_toolbar_vtable();
  w->ctx     = bar;
  w->visible = true;
  return k_ra8_ok;
}