C++ SkinTheme::draw_part_as_hline方法代码示例

void Tabs::drawTab(Graphics* g, const gfx::Rect& box, Tab* tab, int y_delta, bool selected)
{
  // Is the tab outside the bounds of the widget?
  if (box.x >= getBounds().x2() || box.x2() <= getBounds().x)
    return;

  SkinTheme* theme = static_cast<SkinTheme*>(this->getTheme());
  gfx::Color text_color;
  gfx::Color face_color;

  // Selected
  if (selected) {
    text_color = theme->getColor(ThemeColor::TabSelectedText);
    face_color = theme->getColor(ThemeColor::TabSelectedFace);
  }
  // Non-selected
  else {
    text_color = theme->getColor(ThemeColor::TabNormalText);
    face_color = theme->getColor(ThemeColor::TabNormalFace);
  }

  if (box.w > 2) {
    theme->draw_bounds_nw(g,
                          gfx::Rect(box.x, box.y+y_delta, box.w, box.h),
                          (selected) ? PART_TAB_SELECTED_NW:
                                       PART_TAB_NORMAL_NW,
                          face_color);

    g->drawString(tab->text, text_color, gfx::ColorNone,
      gfx::Point(
        box.x + 4*jguiscale(),
        box.y + box.h/2 - getFont()->height()/2+1 + y_delta));
  }

  if (selected) {
    theme->draw_bounds_nw(g,
      gfx::Rect(box.x, box.y2(), box.w, getBounds().y2()-box.y2()),
      PART_TAB_BOTTOM_SELECTED_NW,
      theme->getColor(ThemeColor::TabSelectedFace));
  }
  else {
    theme->draw_part_as_hline(g,
      gfx::Rect(box.x, box.y2(), box.w, getBounds().y2()-box.y2()),
      PART_TAB_BOTTOM_NORMAL);
  }

#ifdef CLOSE_BUTTON_IN_EACH_TAB
  she::Surface* close_icon = theme->get_part(PART_WINDOW_CLOSE_BUTTON_NORMAL);
  g->drawRgbaSurface(close_icon,
    box.x2() - 4*jguiscale() - close_icon->width(),
    box.y + box.h/2 - close_icon->height()/2+1 * jguiscale());
#endif
}

void Tabs::drawTab(BITMAP* bmp, JRect box, Tab* tab, int y_delta, bool selected)
{
  // Is the tab outside the bounds of the widget?
  if (box->x1 >= this->rc->x2 || box->x2 <= this->rc->x1)
    return;

  SkinTheme* theme = static_cast<SkinTheme*>(this->getTheme());
  int text_color;
  int face_color;

  // Selected
  if (selected) {
    text_color = theme->get_tab_selected_text_color();
    face_color = theme->get_tab_selected_face_color();
  }
  // Non-selected
  else {
    text_color = theme->get_tab_normal_text_color();
    face_color = theme->get_tab_normal_face_color();
  }

  if (jrect_w(box) > 2) {
    theme->draw_bounds_nw(bmp,
                          box->x1, box->y1+y_delta, box->x2-1, box->y2-1,
                          (selected) ? PART_TAB_SELECTED_NW:
                                       PART_TAB_NORMAL_NW, face_color);
    jdraw_text(bmp, this->getFont(), tab->text.c_str(),
               box->x1+4*jguiscale(),
               (box->y1+box->y2)/2-text_height(this->getFont())/2+1 + y_delta,
               text_color, face_color, false, jguiscale());
  }

  if (selected) {
    theme->draw_bounds_nw(bmp,
                          box->x1, box->y2, box->x2-1, this->rc->y2-1,
                          PART_TAB_BOTTOM_SELECTED_NW,
                          theme->get_tab_selected_face_color());
  }
  else {
    theme->draw_part_as_hline(bmp,
                              box->x1, box->y2, box->x2-1, this->rc->y2-1,
                              PART_TAB_BOTTOM_NORMAL);
  }

#ifdef CLOSE_BUTTON_IN_EACH_TAB
  BITMAP* close_icon = theme->get_part(PART_WINDOW_CLOSE_BUTTON_NORMAL);
  set_alpha_blender();
  draw_trans_sprite(doublebuffer, close_icon,
                    box->x2-4*jguiscale()-close_icon->w,
                    (box->y1+box->y2)/2-close_icon->h/2+1*jguiscale());
#endif
}

bool Tabs::onProcessMessage(Message* msg)
{
  SkinTheme* theme = static_cast<SkinTheme*>(this->getTheme());

  switch (msg->type) {

    case JM_REQSIZE:
      msg->reqsize.w = 0; // msg->reqsize.h = 4 + jwidget_get_text_height(widget) + 5;
      msg->reqsize.h =
        theme->get_part(PART_TAB_FILLER)->h +
        theme->get_part(PART_TAB_BOTTOM_NORMAL)->h;
      return true;

    case JM_SETPOS:
      jrect_copy(this->rc, &msg->setpos.rect);
      setScrollX(m_scrollX);
      return true;

    case JM_DRAW: {
      BITMAP *doublebuffer = create_bitmap(jrect_w(&msg->draw.rect),
                                           jrect_h(&msg->draw.rect));
      JRect rect = jwidget_get_rect(this);
      jrect_displace(rect, -msg->draw.rect.x1, -msg->draw.rect.y1);

      JRect box = jrect_new(rect->x1-m_scrollX,
                            rect->y1,
                            rect->x1-m_scrollX+2*jguiscale(),
                            rect->y1+theme->get_part(PART_TAB_FILLER)->h);

      clear_to_color(doublebuffer, theme->get_window_face_color());

      theme->draw_part_as_hline(doublebuffer, box->x1, box->y1, box->x2-1, box->y2-1, PART_TAB_FILLER);
      theme->draw_part_as_hline(doublebuffer, box->x1, box->y2, box->x2-1, rect->y2-1, PART_TAB_BOTTOM_NORMAL);

      box->x1 = box->x2;

      // For each tab...
      TabsListIterator it, end = m_list_of_tabs.end();

      for (it = m_list_of_tabs.begin(); it != end; ++it) {
        Tab* tab = *it;

        box->x2 = box->x1 + tab->width;

        int x_delta = 0;
        int y_delta = 0;

        // Y-delta for animating tabs (intros and outros)
        if (m_ani == ANI_ADDING_TAB && m_selected == tab) {
          y_delta = (box->y2 - box->y1) * (ANI_ADDING_TAB_TICKS - m_ani_t) / ANI_ADDING_TAB_TICKS;
        }
        else if (m_ani == ANI_REMOVING_TAB && m_nextTabOfTheRemovedOne == tab) {
          x_delta += m_removedTab->width - m_removedTab->width*(1.0-std::exp(-10.0 * m_ani_t / (double)ANI_REMOVING_TAB_TICKS));
          x_delta = MID(0, x_delta, m_removedTab->width);

          // Draw deleted tab
          if (m_removedTab) {
            JRect box2 = jrect_new(box->x1, box->y1, box->x1+x_delta, box->y2);
            drawTab(doublebuffer, box2, m_removedTab, 0, false);
            jrect_free(box2);
          }
        }

        box->x1 += x_delta;
        box->x2 += x_delta;

        drawTab(doublebuffer, box, tab, y_delta, (tab == m_selected));

        box->x1 = box->x2;
      }

      if (m_ani == ANI_REMOVING_TAB && m_nextTabOfTheRemovedOne == NULL) {
        // Draw deleted tab
        if (m_removedTab) {
          int x_delta = m_removedTab->width - m_removedTab->width*(1.0-std::exp(-10.0 * m_ani_t / (double)ANI_REMOVING_TAB_TICKS));
          x_delta = MID(0, x_delta, m_removedTab->width);

          JRect box2 = jrect_new(box->x1, box->y1, box->x1+x_delta, box->y2);
          drawTab(doublebuffer, box2, m_removedTab, 0, false);
          jrect_free(box2);

          box->x1 += x_delta;
          box->x2 = box->x1;
        }
      }

      /* fill the gap to the right-side */
      if (box->x1 < rect->x2) {
        theme->draw_part_as_hline(doublebuffer, box->x1, box->y1, rect->x2-1, box->y2-1, PART_TAB_FILLER);
        theme->draw_part_as_hline(doublebuffer, box->x1, box->y2, rect->x2-1, rect->y2-1, PART_TAB_BOTTOM_NORMAL);
      }

      jrect_free(rect);
      jrect_free(box);

      blit(doublebuffer, ji_screen, 0, 0,
           msg->draw.rect.x1,
           msg->draw.rect.y1,
           doublebuffer->w,
           doublebuffer->h);
//.........这里部分代码省略.........

void Tabs::onPaint(PaintEvent& ev)
{
  SkinTheme* theme = static_cast<SkinTheme*>(this->getTheme());
  Graphics* g = ev.getGraphics();
  gfx::Rect rect = getClientBounds();
  gfx::Rect box(rect.x-m_scrollX, rect.y,
    2*jguiscale(),
    m_list_of_tabs.empty() ? 0: theme->get_part(PART_TAB_FILLER)->height());

  g->fillRect(theme->getColorById(kWindowFaceColorId), g->getClipBounds());

  theme->draw_part_as_hline(g, box, PART_TAB_FILLER);
  theme->draw_part_as_hline(g, gfx::Rect(box.x, box.y2(), box.w, rect.y2()-box.y2()), PART_TAB_BOTTOM_NORMAL);

  box.x = box.x2();

  // For each tab...
  TabsListIterator it, end = m_list_of_tabs.end();

  for (it = m_list_of_tabs.begin(); it != end; ++it) {
    Tab* tab = *it;

    box.w = tab->width;

    int x_delta = 0;
    int y_delta = 0;

    // Y-delta for animating tabs (intros and outros)
    if (m_ani == ANI_ADDING_TAB && m_selected == tab) {
      y_delta = box.h * (ANI_ADDING_TAB_TICKS - m_ani_t) / ANI_ADDING_TAB_TICKS;
    }
    else if (m_ani == ANI_REMOVING_TAB && m_nextTabOfTheRemovedOne == tab) {
      x_delta += m_removedTab->width - m_removedTab->width*(1.0-std::exp(-10.0 * m_ani_t / (double)ANI_REMOVING_TAB_TICKS));
      x_delta = MID(0, x_delta, m_removedTab->width);

      // Draw deleted tab
      if (m_removedTab) {
        gfx::Rect box2(box.x, box.y, x_delta, box.h);
        drawTab(g, box2, m_removedTab, 0, false);
      }
    }

    box.x += x_delta;
    drawTab(g, box, tab, y_delta, (tab == m_selected));

    box.x = box.x2();
  }

  if (m_ani == ANI_REMOVING_TAB && m_nextTabOfTheRemovedOne == NULL) {
    // Draw deleted tab
    if (m_removedTab) {
      int x_delta = m_removedTab->width - m_removedTab->width*(1.0-std::exp(-10.0 * m_ani_t / (double)ANI_REMOVING_TAB_TICKS));
      x_delta = MID(0, x_delta, m_removedTab->width);

      gfx::Rect box2(box.x, box.y, x_delta, box.h);
      drawTab(g, box2, m_removedTab, 0, false);

      box.x += x_delta;
      box.w = 0;
    }
  }

  // Fill the gap to the right-side
  if (box.x < rect.x2()) {
    theme->draw_part_as_hline(g, gfx::Rect(box.x, box.y, rect.x2()-box.x, box.h), PART_TAB_FILLER);
    theme->draw_part_as_hline(g, gfx::Rect(box.x, box.y2(), rect.x2()-box.x, rect.y2()-box.y2()), PART_TAB_BOTTOM_NORMAL);
  }
}