examples/widgetdemo/buttondemo.cpp

   1 #include <msp/gltk/button.h>
   2 #include <msp/gltk/label.h>
   3 #include <msp/strings/format.h>
   4 #include "buttondemo.h"
   5
   6 using namespace std;
   7 using namespace Msp;
   8
   9 ButtonDemo::ButtonDemo()
  10 {
  11         get_or_create_layout();
  12
  13         GLtk::Label *lbl_message = &add_new<GLtk::Label>();
  14
  15         vector<GLtk::Button *> buttons;
  16         for(unsigned i=0; i<5; ++i)
  17         {
  18                 string text = format("Button %d", i+1);
  19                 GLtk::Button *btn = &add_new<GLtk::Button>(text);
  20                 btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(lbl_message, &GLtk::Label::set_text), text+" was clicked"));
  21                 buttons.push_back(btn);
  22                 if(i>0)
  23                 {
  24                         layout->add_constraint(*btn, GLtk::Layout::COPY_WIDTH, *buttons[0]);
  25                         layout->add_constraint(*btn, GLtk::Layout::COPY_HEIGHT, *buttons[0]);
  26
  27                         if(i>=3)
  28                         {
  29                                 layout->add_constraint(*btn, GLtk::Layout::RIGHT_OF, *buttons[i-1]);
  30                                 layout->add_constraint(*btn, GLtk::Layout::ALIGN_TOP, *buttons[i-1]);
  31                         }
  32                         else
  33                         {
  34                                 layout->add_constraint(*btn, GLtk::Layout::BELOW, *buttons[i-1]);
  35                                 layout->add_constraint(*btn, GLtk::Layout::ALIGN_LEFT, *buttons[i-1]);
  36                         }
  37                 }
  38         }
  39
  40         layout->add_constraint(*buttons[0], GLtk::Layout::BELOW, *lbl_message);
  41
  42         GLtk::Button *btn = &add_new<GLtk::Button>("A big one");
  43         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(lbl_message, &GLtk::Label::set_text), "The big button was clicked"));
  44         buttons.push_back(btn);
  45         layout->add_constraint(*btn, GLtk::Layout::ALIGN_TOP, *buttons[0]);
  46         layout->add_constraint(*btn, GLtk::Layout::ALIGN_BOTTOM, *buttons[1]);
  47         layout->add_constraint(*btn, GLtk::Layout::ALIGN_LEFT, *buttons[3]);
  48         layout->add_constraint(*btn, GLtk::Layout::ALIGN_RIGHT, *buttons[4]);
  49 }