text: /* Copyright (c) 2017-2018 Hans-Kristian Arntzen
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  #include "click_button.hpp"
  #include "ui_manager.hpp"
  #include "widget.hpp"
  
  using namespace std;
  
  namespace Granite
  {
  namespace UI
  {
  void ClickButton::set_text(std::string text)
  {
  	this->text = move(text);
  	geometry_changed();
  }
  
  void ClickButton::reconfigure()
  {
  	auto &font = UIManager::get().get_font(FontSize::Small);
  	vec2 minimum = font.get_text_geometry(text.c_str());
  	geometry.minimum = minimum + 2.0f * geometry.margin;
  }
  
  void ClickButton::reconfigure_to_canvas(vec2, vec2)
  {
  }
  
  Widget *ClickButton::on_mouse_button_pressed(vec2)
  {
  	click_held = true;
  	if (click_cb)
  		click_cb();
  	return this;
  }
  
  void ClickButton::on_mouse_button_released(vec2)
  {
  	click_held = false;
  }
  
  float ClickButton::render(FlatRenderer &renderer, float layer, vec2 offset, vec2 size)
  {
  	auto &font = UIManager::get().get_font(FontSize::Small);
  	renderer.render_text(font, text.c_str(), vec3(offset + geometry.margin, layer), size - 2.0f * geometry.margin,
  	                     color * vec4(1.0f, 1.0f, 1.0f, click_held ? 0.25f : 1.0f), alignment);
  	return layer;
  }
  }
  }