volodymyr wrote:

Andrzej wrote:

How to display the variable value on the screen?

Hello.
If you need to display some variable with constant refreshing period (for example 200 ms) you can use Timer for it.
Here is a small example that explains the principle:

C Source Code

1. WM_HWIN hLabel;
3. static void cbWindow(WM_MESSAGE * pMsg) {
5. char* str = getValue(); // some getter, that gets stringified value to display
7. switch (pMsg->MsgId) {
9. case WM_TIMER:
10. WM_RestartTimer(pMsg->Data.v, 200); // restart timer to 200ms for next timer message
11. TEXT_SetText(hLabel, str); // shows the value
12. break;
14. default:
15. WM_DefaultProc(pMsg);
16. break;
17. }
18. }
20. WM_HWIN createWindow() {
22. WM_HWIN hWindow = WINDOW_CreateEx(0, 0, 320, 240, WM_HBKWIN, WM_CF_SHOW, 0, 0, cbWindow);
23. hLabel = TEXT_CreateEx(10, 10, 100, 30, hWindow, WM_CF_SHOW, 0, 0, NULL);
24. WM_CreateTimer(hWindow, 0, 0, 0); // create timer for periodical value show
25. return hWindow;
26. }

Display All

Andrzej wrote:

Thank you. However, I don't know how to integrate it into my program. I have the external variable "poster", they have to be numbers 1 to 6. They change in another part of the program. I want to display the variable value on an ongoing basis. I have prepared ID_TEXT_3 but I do not know how to display it to reflect the changes.

Andrzej wrote:

/*
* myrolster.c
*
* Created on: 04.02.2019
* Author: P
*/


#include "stm32746g_discovery.h"
#include "stm32746g_discovery_lcd.h"
#include "stm32746g_discovery_sdram.h"
#include "stm32746g_discovery_ts.h"


#include "GUI.h"
#include "DIALOG.h"
#include "WM.h"
#include "BUTTON.h"
#include "EDIT.h"


#define ID_WINDOW_0 (GUI_ID_USER + 0x00)
#define ID_BUTTON_0 (GUI_ID_USER + 0x01)
#define ID_BUTTON_1 (GUI_ID_USER + 0x02)
#define ID_BUTTON_2 (GUI_ID_USER + 0x03)
#define ID_SPINBOX_0 (GUI_ID_USER + 0x08)
#define ID_SPINBOX_1 (GUI_ID_USER + 0x09)
#define ID_TEXT_0 (GUI_ID_USER + 0xA0)
#define ID_TEXT_1 (GUI_ID_USER + 0xA1)
#define ID_TEXT_2 (GUI_ID_USER + 0xA2)
#define ID_TEXT_3 (GUI_ID_USER + 0xA3)


#define WORK 600


extern int posters;
extern int poster;
extern int showing;


void Stop(void);
void Up(void);
void Down(void);
void Working(void);


static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
{ WINDOW_CreateIndirect, "Window", ID_WINDOW_0, 0, 0, 480, 272, 0, 0x0,
0 }, { BUTTON_CreateIndirect, "scrollset", ID_BUTTON_0, 20, 10,
440, 60, 0, 0x0, 0 }, { BUTTON_CreateIndirect, "up",
ID_BUTTON_1, 20, 100, 170, 50, 0, 0x0, 0 }, { BUTTON_CreateIndirect,
"down", ID_BUTTON_2, 20, 190, 170, 50, 0, 0x0, 0 }, {
SPINBOX_CreateIndirect, "postershow", ID_SPINBOX_0, 290, 100,
170, 50, 0, 0x0, 0 }, { SPINBOX_CreateIndirect, "time",
ID_SPINBOX_1, 290, 190, 170, 50, 0, 0x0, 0 }, { TEXT_CreateIndirect,
"signatureposters", ID_TEXT_0, 265, 140, 160, 40, 0, 0x0, 0 }, {
TEXT_CreateIndirect, "signaturetime", ID_TEXT_1, 275, 230, 160,
40, 0, 0x0, 0 }, { TEXT_CreateIndirect, "signatureposter",
ID_TEXT_2, 120, 160, 160, 40, 0, 0x0, 0 }, { TEXT_CreateIndirect,
"poster", ID_TEXT_3, 165, 75, 100, 100, 0, 0x0, 0 }, };


static void _cbDialog(WM_MESSAGE * pMsg) {
WM_HWIN hItem;
WM_HWIN hEdit;
int NCode;
int Id;
static int isButton_0 = 1;


switch (pMsg->MsgId) {
case WM_INIT_DIALOG:


hItem = pMsg->hWin;
WINDOW_SetBkColor(hItem, GUI_MAKE_COLOR(0x00A00000));


hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_0);
BUTTON_SetFont(hItem, GUI_FONT_32B_ASCII);
BUTTON_SetText(hItem, "SETTING");


hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_1);
BUTTON_SetFont(hItem, GUI_FONT_24B_ASCII);
BUTTON_SetText(hItem, "UP");
BUTTON_SetTextColor(hItem, BUTTON_CI_PRESSED, GUI_RED);


hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_2);
BUTTON_SetFont(hItem, GUI_FONT_20B_ASCII);
BUTTON_SetText(hItem, "DOWN");
BUTTON_SetTextColor(hItem, BUTTON_CI_PRESSED, GUI_RED);


hItem = WM_GetDialogItem(pMsg->hWin, ID_SPINBOX_0);
hEdit = SPINBOX_GetEditHandle(hItem);
EDIT_SetDecMode(hEdit, 0, 1, 6, 0, 0);
EDIT_SetTextAlign(hEdit, GUI_TA_HCENTER);
SPINBOX_SetEdge(hItem, SPINBOX_EDGE_CENTER);
SPINBOX_SetFont(hItem, GUI_FONT_32B_ASCII);
SPINBOX_SetTextColor(hItem, SPINBOX_CI_ENABLED, GUI_RED);


hItem = WM_GetDialogItem(pMsg->hWin, ID_SPINBOX_1);
hEdit = SPINBOX_GetEditHandle(hItem);
EDIT_SetDecMode(hEdit, 0, 10, 180, 0, 0);
EDIT_SetTextAlign(hEdit, GUI_TA_HCENTER);
SPINBOX_SetEdge(hItem, SPINBOX_EDGE_CENTER);
SPINBOX_SetFont(hItem, GUI_FONT_32B_ASCII);
SPINBOX_SetStep(hItem, 10);
SPINBOX_SetTextColor(hItem, SPINBOX_CI_ENABLED, GUI_RED);


hItem = WM_GetDialogItem(pMsg->hWin, ID_TEXT_0);
TEXT_SetTextAlign(hItem, GUI_TA_VCENTER | GUI_TA_RIGHT);
TEXT_SetFont(hItem, GUI_FONT_24B_ASCII);
TEXT_SetTextColor(hItem, GUI_WHITE);
TEXT_SetText(hItem, "POSTERS");


hItem = WM_GetDialogItem(pMsg->hWin, ID_TEXT_1);
TEXT_SetTextAlign(hItem, GUI_TA_VCENTER | GUI_TA_RIGHT);
TEXT_SetFont(hItem, GUI_FONT_24B_ASCII);
TEXT_SetTextColor(hItem, GUI_WHITE);
TEXT_SetText(hItem, "SHOW TIME");


hItem = WM_GetDialogItem(pMsg->hWin, ID_TEXT_2);
TEXT_SetTextAlign(hItem, GUI_TA_VCENTER | GUI_TA_RIGHT);
TEXT_SetFont(hItem, GUI_FONT_24B_ASCII);
TEXT_SetTextColor(hItem, GUI_WHITE);
TEXT_SetText(hItem, "POSTER");


hItem = WM_GetDialogItem(pMsg->hWin, ID_TEXT_3);
TEXT_SetTextAlign(hItem, GUI_TA_VCENTER | GUI_TA_RIGHT);
TEXT_SetFont(hItem, GUI_FONT_D80);
TEXT_SetTextColor(hItem, GUI_RED);


break;


case WM_NOTIFY_PARENT:
Id = WM_GetId(pMsg->hWinSrc);
NCode = pMsg->Data.v;
switch (Id) {
case ID_BUTTON_0:
switch (NCode) {
case WM_NOTIFICATION_CLICKED:
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_0);
if (isButton_0) {
isButton_0 = 0;
BUTTON_SetText(hItem, "SCROLLING");
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_0);
BUTTON_SetTextColor(hItem, 0, GUI_RED);
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_1);
WM_DisableWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_2);
WM_DisableWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_SPINBOX_0);
WM_DisableWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_SPINBOX_1);
WM_DisableWindow(hItem);
} else {
isButton_0 = 1;
BUTTON_SetText(hItem, "SETTING");
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_0);
BUTTON_SetTextColor(hItem, 0, GUI_BLACK);
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_1);
WM_EnableWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_2);
WM_EnableWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_SPINBOX_0);
WM_EnableWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_SPINBOX_1);
WM_EnableWindow(hItem);
}
break;
case WM_NOTIFICATION_RELEASED:
if (!isButton_0) {
Working();
}
break;
}
break;
case ID_BUTTON_1:
switch (NCode) {
case WM_NOTIFICATION_CLICKED:
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_1);
if (isButton_0) {
Up();
}
break;
case WM_NOTIFICATION_RELEASED:
Stop();
break;
}
break;
case ID_BUTTON_2:
switch (NCode) {
case WM_NOTIFICATION_CLICKED:
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_2);
if (isButton_0) {
Down();
}
break;
case WM_NOTIFICATION_RELEASED:
Stop();
break;
}
break;
case ID_SPINBOX_0:
switch (NCode) {
case WM_NOTIFICATION_VALUE_CHANGED:
posters = SPINBOX_GetValue(pMsg->hWinSrc);
break;
}
break;
case ID_SPINBOX_1:
switch (NCode) {
case WM_NOTIFICATION_VALUE_CHANGED:
showing = SPINBOX_GetValue(pMsg->hWinSrc);
break;
}
break;
}
break;
default:
WM_DefaultProc(pMsg);
break;
}
}


WM_HWIN CreateWindow(void);


WM_HWIN CreateWindow(void) {
WM_HWIN hWin;


hWin = GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate),
_cbDialog, WM_HBKWIN, 0, 0);
return hWin;
}


void MainTask(void);


void MainTask(void) {
GUI_Clear();
CreateWindow();
}