MyWindow.cpp

00001 #include "mbed.h"
00002 
00003 #include "MyWindow.h"
00004 #include "EwPainter.h"
00005 
00006 MyWindow::MyWindow(EwWindow* parent) :
00007     EwWindow(5, 2, 300, 250, parent),
00008     _changeBtn(130, 200, 40, 20, this),
00009     _checkBox(0, 0, 80, 25, this),
00010     _dropDownLst(0, 0, 100, 50, this){
00011 
00012     _changeBtn.setText("Click");
00013     _changeBtn.setClickedListener(this, &MyWindow::clickListener);
00014 
00015     _checkBox.setText("CheckBox");
00016     _checkBox.setChangedListener(this, &MyWindow::checkedListener);
00017 
00018     _dropDownLst.addString("First");
00019     _dropDownLst.addString("Second");
00020     _dropDownLst.addString("Third");
00021 
00022     _clickCnt = 0;
00023     _pressed = false;
00024     _pressX = 0;
00025     _pressY = 0;
00026 
00027     resizeTo(parent->getWidth()-15, parent->getHeight()-35);
00028     _changeBtn.moveTo(getWidth()/2-_changeBtn.getWidth()/2,
00029             getHeight()-_changeBtn.getHeight()-5);
00030 
00031     _checkBox.moveTo(5, 35);
00032 
00033     _dropDownLst.move(getWidth()-_dropDownLst.getWidth()-5, 5);
00034 }
00035 
00036 bool MyWindow::paintEvent() {
00037     char buf[30];
00038     EwPainter painter;
00039 
00040     painter.setBackgroundColor(EW_LIGHTGRAY);
00041     painter.clear();
00042 
00043     if (_clickCnt > 0) {
00044         painter.setColor(EW_BLUE);
00045         if (_clickCnt == 1) {
00046             sprintf(buf, "Clicked %d time", _clickCnt);
00047         }
00048         else {
00049             sprintf(buf, "Clicked %d times", _clickCnt);
00050         }
00051         painter.drawStringClearEOL(buf, 5, 5);
00052     }
00053 
00054     if (_pressed) {
00055         painter.setColor(GUI_DARKRED);
00056         sprintf(buf, "Touch at %d,%d", _pressX, _pressY);
00057         painter.drawStringClearEOL(buf, 5, 15);
00058     }
00059 
00060     return true;
00061 }
00062 
00063 bool MyWindow::touchEvent(int x, int y, EwTouchState_t state) {
00064 
00065     if (state == TouchStatePressed) {
00066         _pressed = true;
00067         _pressX = x;
00068         _pressY = y;
00069     }
00070     else {
00071         _pressed = false;
00072     }
00073 
00074     invalidate();
00075 
00076     return true;
00077 }
00078 
00079 void MyWindow::clickListener(EwWindow* w) {
00080     _clickCnt++;
00081     invalidate();
00082 }
00083 
00084 void MyWindow::checkedListener(EwWindow* w) {
00085     EwCheckBox* b = (EwCheckBox*)w;
00086 
00087     ewCheckBoxState_t state = b->getState();
00088 
00089     if (state == CheckBoxStateUnchecked) {
00090         b->setText("Unchecked");
00091     }
00092     else {
00093         b->setText("Checked");
00094     }
00095 
00096 }