dialog_nestedmodal.c

ucgui的3.98版本的源代码

/*
*********************************************************************************************************
*                                             uC/GUI V3.98
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI 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 redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : DIALOG_NestedModal.c
Purpose     : Creates a nested modal dialog after pressing a button
---------------------------END-OF-HEADER------------------------------
*/

#include <stdlib.h>
#include <string.h>
#include "GUI.h"
#include "DIALOG.h"
#include "LISTVIEW.h"
#include "MESSAGEBOX.h"

/*********************************************************************
*
*       static data
*
**********************************************************************
*/

static char _acVehicle[40];

static const char _acItems[][2][20] = {
  {"AUDI",      "A6"               },
  {"AUDI",      "A8"               },
  {"AUDI",      "Quattro"          },
  {"AUDI",      "TT"               },
  {"BMW",       "325xi"            },
  {"BMW",       "330i"             },
  {"BMW",       "745i"             },
  {"BMW",       "Mini Cooper"      },
  {"CHEVROLET", "Cavalier LS Sport"},
  {"CHEVROLET", "Corvette Z06"     },
  {"CHEVROLET", "Malibu LS"        },
  {"FERRARI",   "575M"             },
  {"FORD",      "Escort"           },
  {"FORD",      "Focus"            },
  {"HYUNDAI",   "Sonata"           },
  {"HYUNDAI",   "XG350"            },
  {"JAGUAR",    "VDP"              },
  {"JAGUAR",    "S-Type"           },
  {"MAZDA",     "MX-5"             },
  {"MERCEDES",  "S"                },
  {"MERCEDES",  "CL"               },
  {"PORSCHE",   "Boxster"          },
  {"",          ""                 }
};

/*********************************************************************
*
*       Dialog resource
*
**********************************************************************
*/
static const GUI_WIDGET_CREATE_INFO _aDialogOrder[] = {
  { FRAMEWIN_CreateIndirect, "Order vehicle",   0,                 20,  50, 280, 160, 0 },
  { TEXT_CreateIndirect,     "Selection",       0,                 37,  13,  80,  20, 0 },
  { TEXT_CreateIndirect,     "Drive",           0,                 10,  35,  80,  20, 0 },
  { TEXT_CreateIndirect,     "Front",           0,                 30,  51,  80,  20, 0 },
  { TEXT_CreateIndirect,     "Rear",            0,                 30,  66,  80,  20, 0 },
  { TEXT_CreateIndirect,     "Both",            0,                 30,  81,  80,  20, 0 },
  { TEXT_CreateIndirect,     "Color",           0,                108,  47,  80,  20, 0 },
  { TEXT_CreateIndirect,     "Options",         0,                 95,  77,  80,  20, 0 },
  { EDIT_CreateIndirect,     NULL,              GUI_ID_EDIT0,      85,  10, 180,  20, 0, 40},
  { RADIO_CreateIndirect,    NULL,              GUI_ID_RADIO0,     10,  50,   0,   0, 0, 0xF03 },
  { DROPDOWN_CreateIndirect, NULL,              GUI_ID_DROPDOWN0, 135,  45, 130,  45, 0 },
  { DROPDOWN_CreateIndirect, NULL,              GUI_ID_DROPDOWN1, 135,  75, 130,  45, 0 },
  { BUTTON_CreateIndirect,   "Select vehicle",  GUI_ID_BUTTON0,     6, 113, 100,  20, 0 },
  { BUTTON_CreateIndirect,   "OK",              GUI_ID_OK,        160, 113,  50,  20, 0 },
  { BUTTON_CreateIndirect,   "Cancel",          GUI_ID_CANCEL,    217, 113,  50,  20, 0 }
};

static const GUI_WIDGET_CREATE_INFO _aDialogSelect[] = {
  { FRAMEWIN_CreateIndirect, "Select vehicle",  0,                 55,  30, 210, 200, 0 },
  { TEXT_CreateIndirect,     "Available vehicles:", 0,              9,   6, 120,  20, 0 },
  { LISTVIEW_CreateIndirect, NULL,              GUI_ID_LISTVIEW0,   7,  20, 190, 120, 0 },
  { BUTTON_CreateIndirect,   "OK",              GUI_ID_OK,         90, 153,  50,  20, 0 },
  { BUTTON_CreateIndirect,   "Cancel",          GUI_ID_CANCEL,    147, 153,  50,  20, 0 }
};

/*********************************************************************
*
*       static code
*
**********************************************************************
*/
/*********************************************************************
*
*       _AddListviewItem
*/
static void _AddListviewItem(LISTVIEW_Handle hObj, const char* pMake, const char* pModel) {
  unsigned NumItems;
  NumItems = LISTVIEW_GetNumRows(hObj);
  LISTVIEW_AddRow(hObj, NULL);
  LISTVIEW_SetItemText(hObj, 0, NumItems, pMake);
  LISTVIEW_SetItemText(hObj, 1, NumItems, pModel);  
}

/*********************************************************************
*
*       _InitDialogSelect
*/
static void _InitDialogSelect(WM_HWIN hWin) {
  WM_HWIN hItem;
  int i = 0;
  /* Init framewindow */
  FRAMEWIN_SetFont(hWin, &GUI_Font10_ASCII);
  FRAMEWIN_SetTitleHeight(hWin, 14);
  FRAMEWIN_SetMoveable(hWin, 1);
  /* Init listbox items */
  hItem = WM_GetDialogItem(hWin, GUI_ID_LISTVIEW0);
  WM_SetScrollbarV(hItem, 1);
  LISTVIEW_SetGridVis(hItem, 1);
  LISTVIEW_SetLBorder(hItem, 3);
  LISTVIEW_SetRBorder(hItem, 3);
  LISTVIEW_AddColumn(hItem,  80, "Make",    GUI_TA_LEFT);
  LISTVIEW_AddColumn(hItem, 100, "Options", GUI_TA_LEFT);
  while (_acItems[i][0][0]) {
    _AddListviewItem(hItem, _acItems[i][0], _acItems[i][1]);
    i++;
  }
}

/*********************************************************************
*
*       _InitDialogOrder
*/
static void _InitDialogOrder(WM_HWIN hWin) {
  WM_HWIN hItem;
  /* Init framewindow */
  FRAMEWIN_SetFont(hWin, &GUI_Font10_ASCII);
  FRAMEWIN_SetTitleHeight(hWin, 14);
  FRAMEWIN_SetMoveable(hWin, 1);
  /* Init edit widget */
  hItem = WM_GetDialogItem(hWin, GUI_ID_EDIT0);
  WM_DisableWindow(hItem);
  /* Init dropdown box color */
  hItem = WM_GetDialogItem(hWin, GUI_ID_DROPDOWN0);
  DROPDOWN_AddString(hItem, "Blue");
  DROPDOWN_AddString(hItem, "Green");
  DROPDOWN_AddString(hItem, "Red");
  DROPDOWN_SetBkColor(hItem, 1, GUI_WHITE);
  DROPDOWN_SetTextColor(hItem, 1, GUI_BLACK);
  /* Init dropdown box model */
  hItem = WM_GetDialogItem(hWin, GUI_ID_DROPDOWN1);
  DROPDOWN_AddString(hItem, "Navigation system");
  DROPDOWN_AddString(hItem, "CD Player");
  DROPDOWN_AddString(hItem, "Other ...");
  DROPDOWN_SetBkColor(hItem, 1, GUI_WHITE);
  DROPDOWN_SetTextColor(hItem, 1, GUI_BLACK);
}

/*********************************************************************
*
*       _GetVehicle
*/
static int _GetVehicle(WM_HWIN hWin) {
  WM_HWIN hItem;
  int CurSel, NumItems;
  hItem = WM_GetDialogItem(hWin, GUI_ID_LISTVIEW0);
  NumItems = LISTVIEW_GetNumRows(hItem);
  CurSel   = LISTVIEW_GetSel(hItem);
  if ((CurSel >= 0) && (CurSel < NumItems)) {
    strcpy(_acVehicle, _acItems[CurSel][0]);
    strcat(_acVehicle, " ");
    strcat(_acVehicle, _acItems[CurSel][1]);

    hItem = WM_GetDialogItem(hWin, GUI_ID_EDIT0);
    EDIT_SetText(hItem, _acVehicle);
    return 1;
  }
  return 0;
}

/*********************************************************************
*
*       _MessageBox
*/
static void _MessageBox(const char* pText, const char* pCaption) {
  WM_HWIN hWin;
  hWin = MESSAGEBOX_Create(pText, pCaption, 0);
  WM_MakeModal(hWin);
  GUI_ExecCreatedDialog(hWin);
}

/*********************************************************************
*
*       _cbBkWindow
*/
static void _cbBkWindow(WM_MESSAGE* pMsg) {
  switch (pMsg->MsgId) {
  case WM_PAINT:
    GUI_SetBkColor(0x008000);
    GUI_SetColor(GUI_WHITE);
    GUI_SetFont(&GUI_Font24_ASCII);
    GUI_Clear();
    GUI_DispStringHCenterAt("DIALOG_NestedModal - Sample", 160, 10);
  default:
    WM_DefaultProc(pMsg);
  }
}

/*********************************************************************
*
*       _cbDialogSelect
*/
static void _cbDialogSelect(WM_MESSAGE* pMsg) {
  WM_HWIN hWin = pMsg->hWin;
  switch (pMsg->MsgId) {
  case WM_INIT_DIALOG:
    _InitDialogSelect(hWin);
    WM_SetFocus(WM_GetDialogItem(hWin, GUI_ID_OK));
    break;
  case WM_NOTIFY_PARENT:
    if (pMsg->Data.v == WM_NOTIFICATION_RELEASED) {
      int Id = WM_GetId(pMsg->hWinSrc);
      switch (Id) {
      case GUI_ID_OK:
        if (_GetVehicle(hWin) == 0) {
          _MessageBox("You have to select a vehicle!", "ERROR");
          WM_MakeModal(hWin);
          WM_SetFocus(hWin);
          break;
        }
      case GUI_ID_CANCEL:
        GUI_EndDialog(pMsg->hWin, 0);
        break;
      }
    }
    break;
  default:
    WM_DefaultProc(pMsg);
  }
}

/*********************************************************************
*
*       _cbDialogOrder
*/
static void _cbDialogOrder(WM_MESSAGE* pMsg) {
  WM_HWIN hDlg, hWin = pMsg->hWin;
  switch (pMsg->MsgId) {
  case WM_INIT_DIALOG:
    _InitDialogOrder(hWin);
    WM_SetFocus(WM_GetDialogItem(hWin, GUI_ID_OK));
    break;
  case WM_NOTIFY_PARENT:
    if (pMsg->Data.v == WM_NOTIFICATION_RELEASED) {
      int Id = WM_GetId(pMsg->hWinSrc);
      switch (Id) {
      case GUI_ID_BUTTON0:
        hDlg = GUI_CreateDialogBox(_aDialogSelect, GUI_COUNTOF(_aDialogSelect), &_cbDialogSelect, WM_HBKWIN, 0, 0); 
        WM_MakeModal(hDlg);
        GUI_ExecCreatedDialog(hDlg);
        WM_MakeModal(hWin);
        WM_SetFocus(hWin);
        hDlg = WM_GetDialogItem(hWin, GUI_ID_EDIT0);
        EDIT_SetText(hDlg, _acVehicle);
        break;
      case GUI_ID_OK:
      case GUI_ID_CANCEL:
        GUI_EndDialog(hWin, 0);
        break;
      }
    }
    break;
  default:
    WM_DefaultProc(pMsg);
  }
}

/*********************************************************************
*
*       MainTask
*
**********************************************************************
*/
void MainTask(void);
void MainTask(void) {
  WM_HWIN hWin;
  GUI_Init();
  GUI_CURSOR_Show();
  WM_SetCreateFlags(WM_CF_MEMDEV);
  WM_EnableMemdev(WM_HBKWIN);
  WM_SetCallback(WM_HBKWIN, &_cbBkWindow);
  while (1) {
    hWin = GUI_CreateDialogBox(_aDialogOrder, GUI_COUNTOF(_aDialogOrder), &_cbDialogOrder, WM_HBKWIN, 0, 0); 
    WM_MakeModal(hWin);
    GUI_ExecCreatedDialog(hWin);
    GUI_Delay(1500);
  }
}