/********************************************************************* * SEGGER MICROCONTROLLER SYSTEME GmbH * * Solutions for real time microcontroller applications * ********************************************************************** * * * (c) 1996 - 2004 SEGGER Microcontroller Systeme GmbH * * * * Internet: www.segger.com Support: support@segger.com * * * ********************************************************************** ***** emWin - Graphical user interface for embedded applications ***** emWin is protected by international copyright laws. Knowledge of the source code may not be used to write a similar product. This file may only be used in accordance with a license and should not be re- distributed in any way. We appreciate your understanding and fairness. ---------------------------------------------------------------------- File : WIDGET_ListBox.c Purpose : Example demonstrating the LISTBOX widget ---------------------------------------------------------------------- */ #include "GUI.h" #include "FRAMEWIN.h" #include "LISTBOX.h" #include /********************************************************************* * * Defines * ********************************************************************** */ #define SPEED 1000 /******************************************************************* * * static variables * ******************************************************************** */ static const GUI_ConstString _ListBox[] = { "English", "Deutsch", NULL }; /******************************************************************* * * static code * ******************************************************************** */ /******************************************************************* * * _ShowSeveralFunctions */ static void _ShowSeveralFunctions(LISTBOX_Handle hListBox) { int NumEntries, i; /* Add scrollbar */ GUI_DispStringAtCEOL("SCROLLBAR_CreateAttached", 5, 55); GUI_Delay(SPEED); SCROLLBAR_CreateAttached(hListBox, SCROLLBAR_CF_VERTICAL); GUI_Delay(SPEED * 0.75); /* Add strings */ GUI_DispStringAtCEOL("LISTBOX_AddString", 5, 55); GUI_Delay(SPEED); LISTBOX_AddString(hListBox, "Français"); GUI_Delay(SPEED / 6); LISTBOX_AddString(hListBox, "Japanese"); GUI_Delay(SPEED / 6); LISTBOX_AddString(hListBox, "Italiano"); GUI_Delay(SPEED / 6); LISTBOX_AddString(hListBox, "Español"); GUI_Delay(SPEED / 6); LISTBOX_AddString(hListBox, "Other language ..."); GUI_Delay(SPEED * 0.6); /* Set focus */ GUI_DispStringAtCEOL("WM_SetFocus", 5, 55); GUI_Delay(SPEED * 0.9); WM_SetFocus(hListBox); GUI_Delay(SPEED * 0.7); /* Set font */ GUI_DispStringAtCEOL("LISTBOX_SetFont", 5, 55); GUI_Delay(SPEED * 0.9); LISTBOX_SetFont(hListBox, &GUI_Font13B_1); GUI_Delay(SPEED * 0.7); /* Increment selection */ GUI_DispStringAtCEOL("LISTBOX_IncSel", 5, 55); GUI_Delay(SPEED); NumEntries = LISTBOX_GetNumItems(hListBox); for (i = 0; i < NumEntries - 1; i++) { LISTBOX_IncSel(hListBox); GUI_Delay(SPEED / 6); } GUI_Delay(SPEED / 4); /* Show automatic scrollbar */ GUI_DispStringAtCEOL("Optional automatic scrollbar", 5, 55); GUI_Delay(SPEED); LISTBOX_SetAutoScrollH(hListBox, 1); LISTBOX_SetAutoScrollV(hListBox, 1); GUI_Delay(SPEED * 0.75); /* Set font */ GUI_DispStringAtCEOL("LISTBOX_SetFont", 5, 55); GUI_Delay(SPEED); LISTBOX_SetFont(hListBox, &GUI_Font16B_1); GUI_Delay(SPEED * 0.75); /* Decrement selection */ GUI_DispStringAtCEOL("LISTBOX_DecSel", 5, 55); GUI_Delay(SPEED); for (i = 0; i < NumEntries - 1; i++) { LISTBOX_DecSel(hListBox); GUI_Delay(SPEED / 6); } GUI_Delay(SPEED / 4); /* Change width of scrollbar */ GUI_DispStringAtCEOL("Change scrollbar width", 5, 55); GUI_Delay(SPEED * 0.7); { SCROLLBAR_Handle hScrollH = WM_GetDialogItem(hListBox, GUI_ID_HSCROLL); SCROLLBAR_Handle hScrollV = WM_GetDialogItem(hListBox, GUI_ID_VSCROLL); SCROLLBAR_SetWidth(hScrollV, 14); GUI_Delay(SPEED / 4); SCROLLBAR_SetWidth(hScrollH, 14); GUI_Delay(SPEED * 0.6); } /* Change size of listbox */ GUI_DispStringAtCEOL("Change size of listbox", 5, 55); GUI_Delay(SPEED * 0.75); WM_ResizeWindow(hListBox, -15, 0); GUI_Delay(SPEED / 4); WM_ResizeWindow(hListBox, 0, -15); GUI_Delay(SPEED / 4); WM_ResizeWindow(hListBox, 15, 0); GUI_Delay(SPEED / 4); WM_ResizeWindow(hListBox, 0, 15); GUI_Delay(SPEED / 2); /* Disable item */ GUI_DispStringAtCEOL("LISTBOX_SetItemDisabled", 5, 55); GUI_Delay(SPEED); LISTBOX_SetItemDisabled(hListBox, 4, 1); GUI_Delay(SPEED * 0.75); /* Set multi selection mode */ GUI_DispStringAtCEOL("LISTBOX_SetMulti", 5, 55); GUI_Delay(SPEED); LISTBOX_SetMulti(hListBox, 1); GUI_Delay(SPEED * 0.75); /* Select item */ GUI_DispStringAtCEOL("LISTBOX_SetItemSel", 5, 55); GUI_Delay(SPEED); LISTBOX_SetItemSel(hListBox, 0, 1); GUI_Delay(SPEED / 4); LISTBOX_SetItemSel(hListBox, 1, 1); GUI_Delay(SPEED / 4); LISTBOX_SetItemSel(hListBox, 2, 1); GUI_Delay(SPEED * 0.8); /* Delete listbox widget */ GUI_DispStringAtCEOL("LISTBOX_Delete", 5, 55); GUI_Delay(SPEED * 1.1); LISTBOX_Delete(hListBox); GUI_Delay(SPEED * 0.75); } /******************************************************************* * * _DemoListBox */ static void _DemoListBox(void) { LISTBOX_Handle hListBox; /* Display titel */ GUI_SetBkColor(0xB00000); GUI_SetColor(0xFFFFFF); GUI_SetFont(&GUI_Font24_ASCII); GUI_DispStringHCenterAt("Listbox - Sample", 160, 5); GUI_Delay(SPEED / 2); /* Create listbox */ GUI_SetFont(&GUI_Font8x16); GUI_SetTextAlign(GUI_TA_LEFT); GUI_DispStringAtCEOL("using", 5, 40); GUI_DispStringAtCEOL("LISTBOX_Create", 5, 55); GUI_Delay(SPEED * 0.9); hListBox = LISTBOX_Create(_ListBox, 100, 80, 120, 115, WM_CF_SHOW); GUI_Delay(SPEED * 0.75); /* Show serveral functions of listbox */ _ShowSeveralFunctions(hListBox); /* Clear display */ GUI_Clear(); GUI_Delay(SPEED * 1.5); } /******************************************************************* * * _DemoListBoxAsChild */ static void _DemoListBoxAsChild(void) { FRAMEWIN_Handle hFrame; LISTBOX_Handle hListBox; /* Display titel */ GUI_SetBkColor(0xB00000); GUI_SetColor(0xFFFFFF); GUI_SetFont(&GUI_Font24_ASCII); GUI_DispStringHCenterAt("Listbox as child - Sample", 160, 5); GUI_Delay(SPEED / 2); /* Create framewin */ GUI_SetFont(&GUI_Font8x16); GUI_SetTextAlign(GUI_TA_LEFT); GUI_DispStringAtCEOL("using", 5, 40); GUI_DispStringAtCEOL("FRAMEWIN_Create", 5, 55); GUI_Delay(SPEED); hFrame = FRAMEWIN_Create("List box", NULL, WM_CF_SHOW, 100, 80, 120, 140); FRAMEWIN_SetFont(hFrame, &GUI_Font16B_ASCII); FRAMEWIN_SetActive(hFrame, 1); GUI_Delay(SPEED * 0.75); /* Create listbox */ GUI_DispStringAtCEOL("LISTBOX_CreateAsChild", 5, 55); GUI_Delay(SPEED); hListBox = LISTBOX_CreateAsChild(_ListBox, WM_GetClientWindow(hFrame), 0, 0, 0, 0, WM_CF_SHOW); GUI_Delay(SPEED * 0.75); /* Show serveral functions of listbox */ _ShowSeveralFunctions(hListBox); /* Delete framewin widget */ GUI_DispStringAtCEOL("FRAMEWIN_Delete", 5, 55); GUI_Delay(SPEED); FRAMEWIN_Delete(hFrame); GUI_Delay(SPEED * 0.75); /* Clear display */ GUI_Clear(); GUI_Delay(SPEED * 1.5); } /********************************************************************* * * Public code * ********************************************************************** */ /********************************************************************* * * MainTask */ void MainTask(void) { GUI_Init(); WM_SetDesktopColor(0xB00000); GUI_Exec(); while(1) { _DemoListBox(); _DemoListBoxAsChild(); } } /*************************** End of file ****************************/