📄 maindemo.c
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// before moving to a new list the current focused object is set to be not focused.
// this saves us the effort to save the pointer to the object and setting
// the global pointer to the focused object to that saved object.
// this application does not need it to be saved.
pFObj = GOLGetFocus(); // get the focused object
if (pFObj != NULL) {
ClrState(pFObj, FOCUSED); // clear the focus state
SetState(pFObj, DRAW); // set to be redrawn
}
pListSaved = GOLGetList();
GOLNewList();
LbCreate(ID_LISTBOX2, // ID
40,BOTTOM_NORMAL, // dimensions
165,BOTTOM_DROPPED,
LB_SINGLE_SEL|LB_DRAW|
LB_FOCUSED, // will be created with single select and focused
(XCHAR*)ScreenItems, // list of demo screens
alt2Scheme); // use alternate scheme
// This object is a ghost object to enable to get messages that touch is outside
// the list box. It will never be displayed.
GbCreate(ID_GROUPBOX2, // ID
0,0,GetMaxX(),GetMaxY(), // cover the whole screen
0, // do not display
NULL, // no text
NULL);
}
/* this adds items on the items list of the list box */
void AddItemList(XCHAR* pText, LISTBOX *pLb) {
XCHAR* pointer;
WORD ctr;
if(pText != NULL){
pointer = pText;
ctr = 0;
while(*pointer){
if(NULL == LbAddItem(pLb, NULL, pointer, NULL, 0, ctr))
break;
while(*pointer++ > 31);
if(*(pointer-1) == 0)
break;
ctr++;
}
}
}
WORD MsgPullDown(WORD objMsg, OBJ_HEADER* pObj, GOL_MSG* pMsg) {
LISTBOX *pLb2;
SHORT item, left, top, right, bottom;
static SHORT List2Enable = 0;
pLb2 = (LISTBOX*)GOLFindObject(ID_LISTBOX2); // find the pull down object
if(pMsg->uiEvent == EVENT_RELEASE){ // state transition must be done
if (GetObjID(pObj) == ID_LISTBOX2) { // if released outside list box, go back
item = LbGetFocusedItem(pLb2); // get selected page/screen
if (!List2Enable) { // For list 1
switch (item) {
default:
case 0: screenState = CREATE_BUTTONS; break;
case 1: screenState = CREATE_CHECKBOXES; break;
case 2: screenState = CREATE_RADIOBUTTONS; break;
case 3: screenState = CREATE_STATICTEXT; break;
case 4: screenState = CREATE_SLIDER; break;
case 5: screenState = CREATE_PROGRESSBAR; break;
case 6: screenState = CREATE_LISTBOX; break;
case 7: screenState = CREATE_EDITBOX; break;
case 8: screenState = prevState; break;
}
} else {
switch (item) { // For list 2
default:
case 0: screenState = prevState; break;
case 1: screenState = CREATE_METER; break;
case 2: screenState = CREATE_DIAL; break;
case 3: screenState = CREATE_PICTURE; break;
case 4: screenState = CREATE_CUSTOMCONTROL; break;
case 5: screenState = CREATE_SIGNATURE; break;
case 6: screenState = CREATE_POT; break;
case 7: screenState = CREATE_ECG; break;
}
}
} else {
screenState = prevState; // revert to saved state
}
left = pLb2->hdr.left; top = pLb2->hdr.top; // save the dimensions
right = pLb2->hdr.right; bottom = pLb2->hdr.bottom;
SetColor(pLb2->hdr.pGolScheme->CommonBkColor); // set the color
Bar(left, top, right, bottom); // hide the pull down menu
GOLFree(); // remove the pull down menu
GOLSetList(pListSaved); // set active list back to saved list
GOLRedrawRec(left, top, right, bottom); // redraw all objects that the pulldown
// menu has overlapped
return 1;
} else {
if ( (pMsg->uiEvent == EVENT_MOVE) || // convert messages to press
(pMsg->uiEvent == EVENT_PRESS)) {
if (GetObjID(pObj) == ID_LISTBOX2) { // process only for list box(pull down menu)
pMsg->uiEvent = EVENT_PRESS; // now convert the message
item = LbGetFocusedItem(pLb2); // check item selected
if ((!List2Enable) && (item == 8)) { // if item MORE.... change menu
List2Enable = 1;
LbDelItemsList(pLb2); // remove the current item
AddItemList((XCHAR*)ScreenItems2, pLb2); // set the items list to ScreenItems2
SetState(pLb2, LB_DRAW);
}
if ((List2Enable) && (item == 0)) { // if item BACK.... change back menu
List2Enable = 0; // remove the current item
LbDelItemsList(pLb2);
AddItemList((XCHAR*)ScreenItems, pLb2); // set the items list to ScreenItems
SetState(pLb2, LB_DRAW);
}
return 1;
}
}
return 0;
}
}
void CreateButtons(){
GOLFree(); // free memory for the objects in the previous linked list and start new list
CreatePage(ButtonStr); // CreatePage("Buttons");
BtnCreate(ID_BUTTON1, // button ID
30,50,156,100, // dimension
10, // set radius
BTN_DRAW, // draw a beveled button
NULL, // no bitmap
ButtonStr, // "Button", // text
altScheme); // use alternate scheme
BtnCreate(ID_BUTTON2, // button ID
30,110,156,160, // dimension
0,
BTN_DRAW, // will be dislayed after creation
(void*)&gradientButton, // use bitmap
HomeStr, // "HOME", // text
altScheme); // alternative GOL scheme
BtnCreate(ID_BUTTON3, // button ID
165,50,215,160, // dimension
25, // set radius
BTN_DRAW|BTN_TOGGLE, // draw a vertical capsule button
// that has a toggle behavior
NULL, // no bitmap
LowStr, // "LO", // text
yellowScheme); // use alternate scheme
BtnCreate(ID_BUTTON4, // button ID
225,43,285,103, // dimension
30, // set radius
BTN_DRAW, // draw a vertical capsule button
NULL, // no bitmap
OnStr, // "ON", // text
greenScheme); // use alternate scheme
BtnCreate(ID_BUTTON5, // button ID
225,107,285,167, // dimension
30, // set radius
BTN_DRAW|BTN_PRESSED, // draw a vertical capsule button
// that is initially pressed
NULL, // no bitmap
OffStr, // "OFF", // text
redScheme); // use alternate scheme
BtnCreate(ID_BUTTON6, // button ID
30,170,156,220, // dimension
0,
BTN_DRAW|BTN_TEXTLEFT // will be dislayed after creation with text
|BTN_TEXTTOP, // left top position
(void*)&bulboff, // use bitmap
OffBulbStr, // text
alt2Scheme); // alternative GOL scheme
BtnCreate(ID_BUTTON7, // button ID
162,170,288,220, // dimension
0,
BTN_DRAW|BTN_DISABLED, // will be dislayed and disabled after creation
NULL, // no bitmap
DisabledStr, // "Disabled", // text
altScheme); // use alternate scheme
}
WORD MsgButtons(WORD objMsg, OBJ_HEADER* pObj){
OBJ_HEADER* pOtherRbtn;
switch(GetObjID(pObj)){
case ID_BUTTON_NEXT:
if(objMsg == BTN_MSG_RELEASED){
screenState = CREATE_CHECKBOXES;// goto check box demo screen
}
return 1; // process by default
case ID_BUTTON_BACK:
if(objMsg == BTN_MSG_RELEASED){
screenState = CREATE_ECG; // goto ECG demo screen
}
return 1; // process by default
case ID_BUTTON3:
if(objMsg == BTN_MSG_PRESSED){ // change text and scheme
BtnSetText((BUTTON*)pObj, HighStr);
}
else {
BtnSetText((BUTTON*)pObj, LowStr);
}
return 1; // process by default
case ID_BUTTON4:
if(objMsg == BTN_MSG_PRESSED) {
if (!GetState(pObj,BTN_PRESSED)) {
pOtherRbtn = GOLFindObject(ID_BUTTON5);
ClrState(pOtherRbtn, BTN_PRESSED);
SetState(pOtherRbtn, BTN_DRAW);
SetState(pObj, BTN_PRESSED|BTN_DRAW);
GOLSetFocus(pObj); // set focus for the button
}
}
return 0; // Do not process by default
case ID_BUTTON5:
if(objMsg == BTN_MSG_PRESSED) {
if (!GetState(pObj,BTN_PRESSED)) {
pOtherRbtn = GOLFindObject(ID_BUTTON4);
ClrState(pOtherRbtn, BTN_PRESSED);
SetState(pOtherRbtn, BTN_DRAW);
SetState(pObj, BTN_PRESSED|BTN_DRAW);
GOLSetFocus(pObj); // set focus for the button
}
}
return 0; // Do not process by default
case ID_BUTTON6:
if(objMsg == BTN_MSG_PRESSED){ // change face picture
BtnSetBitmap(pObj,(void*)&bulbon);
BtnSetText((BUTTON*)pObj, OnBulbStr);
}
if(objMsg == BTN_MSG_RELEASED){
BtnSetBitmap(pObj,(void*)&bulboff);
BtnSetText((BUTTON*)pObj, OffBulbStr);
ClrState(pObj, 0x00F0);
SetState(pObj, BTN_TEXTTOP|BTN_TEXTLEFT);
}
return 1; // process by default
default:
return 1; // process by default
}
}
void CreateCheckBoxes(){
GOLFree(); // free memory for the objects in the previous linked list and start new list
CreatePage(CheckBoxStr); // CreatePage("Checkboxes");
CbCreate(ID_CHECKBOX1, // ID
100,110,265,145, // dimension
CB_DRAW, // will be dislayed after creation
TextLeftStr, // "Text Left"
altScheme); // alternative GOL scheme
CbCreate(ID_CHECKBOX2, // ID
100,150,265,185, // dimension
CB_DRAW, // will be dislayed and checked after creation
TextBottomStr, // "Text Bottom"
altScheme); // alternative GOL scheme
CbCreate(ID_CHECKBOX3, // ID
100,190,250,225, // dimension
CB_DRAW|CB_DISABLED, // will be dislayed and disabled after creation
DisabledStr, // "Disabled"
altScheme); // alternative GOL scheme
pGenObj = (OBJ_HEADER*)BtnCreate(
ID_BUTTON1, // button ID
100,50,215,100, // dimension
10, // set radius
BTN_DRAW, // draw a beveled button
NULL, // no bitmap
HomeStr, // "HOME"
altScheme); // use alternate scheme
}
WORD MsgCheckBoxes(WORD objMsg, OBJ_HEADER* pObj){
switch(GetObjID(pObj)){
case ID_CHECKBOX1:
if (objMsg == CB_MSG_CHECKED) {
SetState(pGenObj,
BTN_TEXTLEFT|
BTN_DRAW); // set align left and redraw button
} else {
ClrState(pGenObj, BTN_TEXTLEFT); // clear all text alignment
SetState(pGenObj, BTN_DRAW); // set align left and redraw button
}
return 1; // process by default
case ID_CHECKBOX2:
if (objMsg == CB_MSG_CHECKED) {
SetState(pGenObj,
BTN_TEXTBOTTOM|
BTN_DRAW); // set align bottom and redraw button
} else {
ClrState(pGenObj, BTN_TEXTBOTTOM); // clear all text alignment
SetState(pGenObj, BTN_DRAW)⌨️ 快捷键说明
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