system/lib/lcd/gui/Widget/RADIO.c

471 lines
13 KiB
C

/*
*********************************************************************************************************
* uC/GUI
* Universal graphic software for embedded applications
*
* (c) Copyright 2002, Micrium Inc., Weston, FL
* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
* µC/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 : RADIO.c
Purpose : Implementation of radio button widget
---------------------------END-OF-HEADER------------------------------
*/
#include <stdlib.h>
#include "GUI_Protected.h"
#include "RADIO_Private.h"
#if GUI_WINSUPPORT
/*********************************************************************
*
* Private config defaults
*
**********************************************************************
*/
/* Define default image inactiv */
#ifndef RADIO_IMAGE0_DEFAULT
#define RADIO_IMAGE0_DEFAULT &RADIO__abmRadio[0]
#endif
/* Define default image activ */
#ifndef RADIO_IMAGE1_DEFAULT
#define RADIO_IMAGE1_DEFAULT &RADIO__abmRadio[1]
#endif
/* Define default image check */
#ifndef RADIO_IMAGE_CHECK_DEFAULT
#define RADIO_IMAGE_CHECK_DEFAULT &RADIO__bmCheck
#endif
/* Define default font */
#ifndef RADIO_FONT_DEFAULT
#define RADIO_FONT_DEFAULT &GUI_Font13_1
#endif
/* Define default text color */
#ifndef RADIO_DEFAULT_TEXT_COLOR
#define RADIO_DEFAULT_TEXT_COLOR GUI_BLACK
#endif
/* Define default background color */
#ifndef RADIO_DEFAULT_BKCOLOR
#define RADIO_DEFAULT_BKCOLOR 0xC0C0C0
#endif
#define RADIO_BORDER 2
/*********************************************************************
*
* Public data, modul internal
*
**********************************************************************
*/
tRADIO_SetValue* RADIO__pfHandleSetValue;
GUI_COLOR RADIO__DefaultTextColor = RADIO_DEFAULT_TEXT_COLOR;
const GUI_FONT GUI_UNI_PTR* RADIO__pDefaultFont = RADIO_FONT_DEFAULT;
const GUI_BITMAP* RADIO__apDefaultImage[] = {RADIO_IMAGE0_DEFAULT, RADIO_IMAGE1_DEFAULT};
const GUI_BITMAP* RADIO__pDefaultImageCheck = RADIO_IMAGE_CHECK_DEFAULT;
/*********************************************************************
*
* Macros for internal use
*
**********************************************************************
*/
#define RADIO_ID 0x4544 /* Magic numer, should be unique if possible */
#if GUI_DEBUG_LEVEL > 1
#define RADIO_ASSERT_IS_VALID_PTR(p) DEBUG_ERROROUT_IF(p->DebugId != RADIO_ID, "xxx.c: Wrong handle type or Object not init'ed")
#define RADIO_INIT_ID(p) p->DebugId = RADIO_ID
#define RADIO_DEINIT_ID(p) p->DebugId = RADIO_ID+1
#else
#define RADIO_ASSERT_IS_VALID_PTR(p)
#define RADIO_INIT_ID(p)
#define RADIO_DEINIT_ID(p)
#endif
/*********************************************************************
*
* Static routines
*
**********************************************************************
*/
/*********************************************************************
*
* _ResizeRect
*/
static void _ResizeRect(GUI_RECT* pDest, const GUI_RECT* pSrc, int Diff) {
pDest->y0 = pSrc->y0 - Diff;
pDest->y1 = pSrc->y1 + Diff;
pDest->x0 = pSrc->x0 - Diff;
pDest->x1 = pSrc->x1 + Diff;
}
/*********************************************************************
*
* _OnPaint
*
* Purpose:
* Paints the RADIO button.
* The button can actually consist of multiple buttons (NumItems).
* The focus rectangle will be drawn on top of the text if any text is set,
* otherwise around the entire buttons.
*/
static void _OnPaint(RADIO_Handle hObj, RADIO_Obj* pObj) {
const GUI_BITMAP* pBmRadio;
const GUI_BITMAP* pBmCheck;
const char* pText;
GUI_FONTINFO FontInfo;
GUI_RECT Rect, r, rFocus = {0};
int i, y, HasFocus, FontDistY;
U8 SpaceAbove, CHeight, FocusBorder;
/* Init some data */
WIDGET__GetClientRect(&pObj->Widget, &rFocus);
HasFocus = (pObj->Widget.State & WIDGET_STATE_FOCUS) ? 1 : 0;
pBmRadio = pObj->apBmRadio[WM__IsEnabled(hObj)];
pBmCheck = pObj->pBmCheck;
rFocus.x1 = pBmRadio->XSize + RADIO_BORDER * 2 - 1;
rFocus.y1 = pObj->Height + ((pObj->NumItems - 1) * pObj->Spacing) - 1;
/* Select font and text color */
LCD_SetColor(pObj->TextColor);
GUI_SetFont(pObj->pFont);
GUI_SetTextMode(GUI_TM_TRANS);
/* Get font infos */
GUI_GetFontInfo(pObj->pFont, &FontInfo);
FontDistY = GUI_GetFontDistY();
CHeight = FontInfo.CHeight;
SpaceAbove = FontInfo.Baseline - CHeight;
Rect.x0 = pBmRadio->XSize + RADIO_BORDER * 2 + 2;
Rect.y0 = (CHeight <= pObj->Height) ? ((pObj->Height - CHeight) / 2) : 0;
Rect.y1 = Rect.y0 + CHeight - 1;
FocusBorder = (FontDistY <= 12) ? 2 : 3;
if (Rect.y0 < FocusBorder) {
FocusBorder = Rect.y0;
}
/* Clear inside ... Just in case */
/* Fill with parents background color */
#if WM_SUPPORT_TRANSPARENCY
if (!WM_GetHasTrans(hObj))
#endif
{
if (pObj->BkColor != GUI_INVALID_COLOR) {
LCD_SetBkColor(pObj->BkColor);
} else {
LCD_SetBkColor(RADIO_DEFAULT_BKCOLOR);
}
GUI_Clear();
}
/* Iterate over all items */
for (i = 0; i < pObj->NumItems; i++) {
y = i * pObj->Spacing;
/* Draw the radio button bitmap */
GUI_DrawBitmap(pBmRadio, RADIO_BORDER, RADIO_BORDER + y);
/* Draw the check bitmap */
if (pObj->Sel == i) {
GUI_DrawBitmap(pBmCheck, RADIO_BORDER + (pBmRadio->XSize - pBmCheck->XSize) / 2,
RADIO_BORDER + ((pBmRadio->YSize - pBmCheck->YSize) / 2) + y);
}
/* Draw text if available */
pText = (const char*)GUI_ARRAY_GetpItem(&pObj->TextArray, i);
if (pText) {
if (*pText) {
r = Rect;
r.x1 = r.x0 + GUI_GetStringDistX(pText) - 2;
GUI_MoveRect(&r, 0, y);
GUI_DispStringAt(pText, r.x0, r.y0 - SpaceAbove);
/* Calculate focus rect */
if (HasFocus && (pObj->Sel == i)) {
_ResizeRect(&rFocus, &r, FocusBorder);
}
}
}
}
/* Draw the focus rect */
if (HasFocus) {
LCD_SetColor(GUI_BLACK);
WIDGET__DrawFocusRect(&pObj->Widget, &rFocus, 0);
}
}
/*********************************************************************
*
* _OnTouch
*/
static void _OnTouch(RADIO_Handle hObj, RADIO_Obj* pObj, WM_MESSAGE*pMsg) {
int Notification;
int Hit = 0;
GUI_PID_STATE* pState = (GUI_PID_STATE*)pMsg->Data.p;
if (pMsg->Data.p) { /* Something happened in our area (pressed or released) */
if (pState->Pressed) {
int y, Sel;
y = pState->y;
Sel = y / pObj->Spacing;
y -= Sel * pObj->Spacing;
if (y <= pObj->Height) {
RADIO_SetValue(hObj, Sel);
}
if (WM_IsFocussable(hObj)) {
WM_SetFocus(hObj);
}
Notification = WM_NOTIFICATION_CLICKED;
} else {
Hit = 1;
Notification = WM_NOTIFICATION_RELEASED;
}
} else {
Notification = WM_NOTIFICATION_MOVED_OUT;
}
WM_NotifyParent(hObj, Notification);
if (Hit == 1) {
GUI_DEBUG_LOG("RADIO: Hit\n");
GUI_StoreKey(pObj->Widget.Id);
}
}
/*********************************************************************
*
* _OnKey
*/
static void _OnKey(RADIO_Handle hObj, WM_MESSAGE* pMsg) {
WM_KEY_INFO* pKeyInfo;
pKeyInfo = (WM_KEY_INFO*)(pMsg->Data.p);
if (pKeyInfo->PressedCnt > 0) {
switch (pKeyInfo->Key) {
case GUI_KEY_RIGHT:
case GUI_KEY_DOWN:
RADIO_Inc(hObj);
break; /* Send to parent by not doing anything */
case GUI_KEY_LEFT:
case GUI_KEY_UP:
RADIO_Dec(hObj);
break; /* Send to parent by not doing anything */
default:
return;
}
}
}
/*********************************************************************
*
* _RADIO_Callback
*/
static void _RADIO_Callback (WM_MESSAGE* pMsg) {
RADIO_Handle hObj;
RADIO_Obj* pObj;
hObj = pMsg->hWin;
pObj = RADIO_H2P(hObj);
/* Let widget handle the standard messages */
if (WIDGET_HandleActive(hObj, pMsg) == 0) {
return;
}
switch (pMsg->MsgId) {
case WM_PAINT:
GUI_DEBUG_LOG("RADIO: _Callback(WM_PAINT)\n");
_OnPaint(hObj, pObj);
return;
case WM_GET_RADIOGROUP:
pMsg->Data.v = pObj->GroupId;
return;
case WM_TOUCH:
_OnTouch(hObj, pObj, pMsg);
break;
case WM_KEY:
_OnKey(hObj, pMsg);
break;
case WM_DELETE:
GUI_ARRAY_Delete(&pObj->TextArray);
break;
}
WM_DefaultProc(pMsg);
}
/*********************************************************************
*
* Exported routines, modul internal
*
**********************************************************************
*/
/*********************************************************************
*
* RADIO__SetValue
*/
void RADIO__SetValue(RADIO_Handle hObj, RADIO_Obj* pObj, int v) {
if (v >= pObj->NumItems) {
v = (int)pObj->NumItems - 1;
}
if (v != pObj->Sel) {
pObj->Sel = v;
WM_InvalidateWindow(hObj);
WM_NotifyParent(hObj, WM_NOTIFICATION_VALUE_CHANGED);
}
}
/*********************************************************************
*
* Exported routines: Create
*
**********************************************************************
*/
/* Note: the parameters to a create function may vary.
Some widgets may have multiple create functions */
/*********************************************************************
*
* RADIO_CreateEx
*/
RADIO_Handle RADIO_CreateEx(int x0, int y0, int xSize, int ySize, WM_HWIN hParent,
int WinFlags, int ExFlags, int Id, int NumItems, int Spacing)
{
RADIO_Handle hObj;
int Height, i;
/* Calculate helper variables */
Height = RADIO__apDefaultImage[0]->YSize + RADIO_BORDER * 2;
Spacing = (Spacing <= 0) ? 20 : Spacing;
NumItems = (NumItems <= 0) ? 2 : NumItems;
if (ySize == 0) {
ySize = Height + ((NumItems - 1) * Spacing);
}
if (xSize == 0) {
xSize = RADIO__apDefaultImage[0]->XSize + RADIO_BORDER * 2;
}
#if WM_SUPPORT_TRANSPARENCY
WinFlags |= WM_CF_HASTRANS;
#endif
/* Create the window */
hObj = WM_CreateWindowAsChild(x0, y0, xSize, ySize, hParent, WinFlags, _RADIO_Callback, sizeof(RADIO_Obj) - sizeof(WM_Obj));
if (hObj) {
RADIO_Obj* pObj;
WM_LOCK();
pObj = RADIO_H2P(hObj);
/* Init sub-classes */
GUI_ARRAY_CREATE(&pObj->TextArray);
for (i = 0; i < NumItems; i++) {
GUI_ARRAY_AddItem(&pObj->TextArray, NULL, 0);
}
/* Init widget specific variables */
ExFlags &= RADIO_TEXTPOS_LEFT;
WIDGET__Init(&pObj->Widget, Id, WIDGET_STATE_FOCUSSABLE | ExFlags);
/* Init member variables */
RADIO_INIT_ID(pObj);
pObj->apBmRadio[0] = RADIO__apDefaultImage[0];
pObj->apBmRadio[1] = RADIO__apDefaultImage[1];
pObj->pBmCheck = RADIO__pDefaultImageCheck;
pObj->pFont = RADIO__pDefaultFont;
pObj->TextColor = RADIO__DefaultTextColor;
pObj->BkColor = WM_GetBkColor(hParent);
pObj->NumItems = NumItems;
pObj->Spacing = Spacing;
pObj->Height = Height;
WM_UNLOCK();
} else {
GUI_DEBUG_ERROROUT_IF(hObj==0, "RADIO_Create failed")
}
return hObj;
}
/*********************************************************************
*
* Exported routines: Various methods
*
**********************************************************************
*/
/*********************************************************************
*
* RADIO_AddValue
*/
void RADIO_AddValue(RADIO_Handle hObj, int Add) {
if (hObj) {
RADIO_Obj* pObj;
WM_LOCK();
pObj = RADIO_H2P(hObj);
RADIO_SetValue(hObj, pObj->Sel + Add);
WM_UNLOCK();
}
}
/*********************************************************************
*
* RADIO_Dec
*/
void RADIO_Dec(RADIO_Handle hObj) {
RADIO_AddValue(hObj, -1);
}
/*********************************************************************
*
* RADIO_Inc
*/
void RADIO_Inc(RADIO_Handle hObj) {
RADIO_AddValue(hObj, 1);
}
/*********************************************************************
*
* RADIO_SetValue
*/
void RADIO_SetValue(RADIO_Handle hObj, int v) {
if (hObj) {
RADIO_Obj* pObj;
WM_LOCK();
pObj = RADIO_H2P(hObj);
if (pObj->GroupId && RADIO__pfHandleSetValue) {
(*RADIO__pfHandleSetValue)(hObj, pObj, v);
} else {
if (v < 0) {
v = 0;
}
RADIO__SetValue(hObj, pObj, v);
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* Exported routines: Query state
*
**********************************************************************
*/
/*********************************************************************
*
* RADIO_GetValue
*/
int RADIO_GetValue(RADIO_Handle hObj) {
int r = 0;
if (hObj) {
RADIO_Obj* pObj;
WM_LOCK();
pObj = RADIO_H2P(hObj);
r = pObj->Sel;
WM_UNLOCK();
}
return r;
}
#else /* avoid empty object files */
void RADIO_C(void);
void RADIO_C(void){}
#endif /* #if GUI_WINSUPPORT */
/************************* end of file ******************************/