button.c
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上传日期:2017-08-10
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文件大小:12k
- /*
- *********************************************************************************************************
- * uC/GUI
- * 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 : BUTTON.c
- Purpose : emWin GSC button widget
- ---------------------------END-OF-HEADER------------------------------
- */
- #include <stdlib.h>
- #include <string.h>
- #include "BUTTON.h"
- #include "WIDGET.h"
- #include "GUIDebug.h"
- #include "GUI.h"
- #include "GUI_Protected.h"
- #if GUI_WINSUPPORT
- /*********************************************************************
- *
- * Private config defaults
- *
- **********************************************************************
- */
- /* Define default fonts */
- #ifndef BUTTON_FONT_DEFAULT
- #define BUTTON_FONT_DEFAULT &GUI_FontHZ12
- #endif
- /* Support for 3D effects */
- #ifndef BUTTON_USE_3D
- #define BUTTON_USE_3D 1
- #endif
- #ifndef BUTTON_3D_MOVE_X
- #define BUTTON_3D_MOVE_X 1
- #endif
- #ifndef BUTTON_3D_MOVE_Y
- #define BUTTON_3D_MOVE_Y 1
- #endif
- /* Define colors */
- #ifndef BUTTON_BKCOLOR0_DEFAULT
- #define BUTTON_BKCOLOR0_DEFAULT 0xAAAAAA
- #endif
- #ifndef BUTTON_BKCOLOR1_DEFAULT
- #define BUTTON_BKCOLOR1_DEFAULT GUI_WHITE
- #endif
- #ifndef BUTTON_TEXTCOLOR0_DEFAULT
- #define BUTTON_TEXTCOLOR0_DEFAULT GUI_BLACK
- #endif
- #ifndef BUTTON_TEXTCOLOR1_DEFAULT
- #define BUTTON_TEXTCOLOR1_DEFAULT GUI_BLACK
- #endif
- /*********************************************************************
- *
- * Object definition
- *
- **********************************************************************
- */
- typedef struct {
- WIDGET Widget;
- GUI_COLOR aBkColor[2];
- GUI_COLOR aTextColor[2];
- const GUI_FONT* pFont;
- const GUI_BITMAP* apBitmap[2];
- WM_HMEM hpText;
- #if BUTTON_SUPPORT_STREAMED_BITMAP
- U8 aBitmapIsStreamed[2];
- #endif
- #if BUTTON_SUPPORT_BITMAP_OFFSET /* Support for bitmap offsets */
- I16 xOffBitmap[2], yOffBitmap[2];
- #endif
- #ifdef _DEBUG
- int DebugId;
- #endif
- } BUTTON_Obj;
- /*********************************************************************
- *
- * Static data
- *
- **********************************************************************
- */
- /* None */
- /*********************************************************************
- *
- * Macros for internal use
- *
- **********************************************************************
- */
- #define BUTTON_ID 0x42555454
- #define BUTTON_H2P(h) (BUTTON_Obj*) WM_HMEM2Ptr(h)
- #ifdef _DEBUG
- #define BUTTON_ASSERT_IS_VALID_PTR(p) GUI_DEBUG_ERROROUT_IF(p->DebugId != BUTTON_ID, "BUTTON.C: Wrong handle type or object not init'ed")
- #define BUTTON_INIT_ID(p) p->DebugId = BUTTON_ID
- #define BUTTON_DEINIT_ID(p) p->DebugId = BUTTON_ID+1
- #else
- #define BUTTON_ASSERT_IS_VALID_PTR(p)
- #define BUTTON_INIT_ID(p)
- #define BUTTON_DEINIT_ID(p)
- #endif
- /*********************************************************************
- *
- * Static routines
- *
- **********************************************************************
- */
- /*********************************************************************
- *
- * _Paint
- */
- static void _Paint(BUTTON_Obj* pObj) {
- const char*s =NULL;
- int State = pObj->Widget.State;
- int PressedState = (State & BUTTON_STATE_PRESSED) ? 1:0;
- GUI_RECT rClient;
- GUI_RECT r;
- GUI_SetFont(pObj->pFont);
- GUI_DEBUG_LOG("BUTTON: Paint(..)n");
- if (pObj->hpText) {
- s = (const char*) WM_HMEM2Ptr(pObj->hpText);
- }
- GUI_GetClientRect(&rClient);
- r = rClient;
- /* Draw background */
- GUI_SetBkColor (pObj->aBkColor[PressedState]);
- GUI_SetColor (pObj->aTextColor[PressedState]);
- GUI_Clear();
- /* Draw bitmap.
- If we have only one, we will use it.
- If we have to we will use the second one (Index 1) for the pressed state
- */
- {
- int Index =0;
- if (pObj->apBitmap[1] && PressedState) {
- Index =1;
- }
- if (pObj->apBitmap[Index]) {
- #if BUTTON_SUPPORT_STREAMED_BITMAP
- if(pObj->aBitmapIsStreamed[Index]) {
- #if BUTTON_SUPPORT_BITMAP_OFFSET
- GUI_DrawStreamedBitmap((const GUI_BITMAP_STREAM*)(pObj->apBitmap[Index]), pObj->xOffBitmap, pObj->yOffBitmap);
- #else
- GUI_DrawBitmapStreamed((const GUI_BITMAP_STREAM*)(pObj->apBitmap[Index]), 0,0);
- #endif
- } else
- #endif
- {
- #if BUTTON_SUPPORT_BITMAP_OFFSET
- GUI_DrawBitmap(pObj->apBitmap[Index], pObj->xOffBitmap[Index], pObj->yOffBitmap[Index]);
- #else
- GUI_DrawBitmap(pObj->apBitmap[Index], 0,0);
- #endif
- }
- }
- }
- /* Draw the actual button (background and text) */
- #if BUTTON_USE_3D
- if (pObj->Widget.State & BUTTON_STATE_PRESSED) {
- GUI_MoveRect(&r, BUTTON_3D_MOVE_X,BUTTON_3D_MOVE_Y);
- }
- #endif
- GUI_SetTextMode(GUI_TM_TRANS);
- GUI_DispStringInRect(s, &r, GUI_TA_HCENTER | GUI_TA_VCENTER);
- /* Draw the 3D effect (if configured) */
- #if BUTTON_USE_3D
- if ((State & BUTTON_STATE_PRESSED) == 0) {
- WIDGET_EFFECT_3D_DrawUp();
- } else {
- GUI_SetColor(0x000000); /// TBD: Use halftone
- GUI_DrawRect(rClient.y0, rClient.x0, rClient.x1, rClient.y1);
- }
- #endif
- /* Draw focus */
- if (State & BUTTON_STATE_FOCUS) {
- GUI_SetColor(GUI_BLACK);
- GUI_DrawFocusRect(&rClient, 2);
- }
- }
- /*********************************************************************
- *
- * _Delete
- *
- * Delete attached objects (if any)
- */
- static void _Delete(BUTTON_Obj* pObj) {
- WM_FREEPTR(&pObj->hpText);
- }
- /*********************************************************************
- *
- * _OnTouch
- */
- static void _OnTouch(BUTTON_Handle hObj, BUTTON_Obj* pObj, WM_MESSAGE*pMsg) {
- int Notification;
- int Hit = 0;
- GUI_TOUCH_tState* pState = (GUI_TOUCH_tState*)pMsg->Data.p;
- if (pMsg->Data.p) { /* Something happened in our area (pressed or released) */
- if (pState->Pressed) {
- WIDGET_OrState(hObj, BUTTON_STATE_PRESSED);
- Notification = WM_NOTIFICATION_CLICKED;
- WM_SetFocus(hObj);
- } else {
- Hit =1;
- Notification = WM_NOTIFICATION_RELEASED;
- WIDGET_AndState(hObj, BUTTON_STATE_PRESSED);
- }
- } else {
- Notification = WM_NOTIFICATION_MOVED_OUT;
- WIDGET_AndState(hObj, BUTTON_STATE_PRESSED);
- }
- WM_NotifyParent(hObj, Notification);
- if (Hit == 1) {
- GUI_DEBUG_LOG("BUTTON: Hitn");
- GUI_StoreKey(pObj->Widget.Id);
- }
- }
- /*********************************************************************
- *
- * Callback
- */
- static void _BUTTON_Callback(WM_MESSAGE *pMsg) {
- BUTTON_Handle hObj = pMsg->hWin;
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- /* Let widget handle the standard messages */
- if (WIDGET_HandleActive(hObj, pMsg) == 0) {
- return;
- }
- switch (pMsg->MsgId) {
- case WM_TOUCH:
- _OnTouch(hObj, pObj, pMsg);
- break;
- case WM_PAINT:
- GUI_DEBUG_LOG("BUTTON: _BUTTON_Callback(WM_PAINT)n");
- _Paint(pObj);
- return;
- case WM_DELETE:
- GUI_DEBUG_LOG("BUTTON: _BUTTON_Callback(WM_DELETE)n");
- _Delete(pObj);
- break; /* No return here ... WM_DefaultProc needs to be called */
- }
- WM_DefaultProc(pMsg);
- }
- /*********************************************************************
- *
- * Exported routines: Create
- *
- **********************************************************************
- */
- BUTTON_Handle BUTTON_CreateAsChild (int x0, int y0, int xsize, int ysize, WM_HWIN hParent, int Id, int Flags) {
- BUTTON_Handle hObj;
- /* Create the window */
- WM_LOCK();
- hObj = WM_CreateWindowAsChild(x0, y0, xsize, ysize, hParent,
- Flags, _BUTTON_Callback,
- sizeof(BUTTON_Obj)-sizeof(WM_Obj));
- if (hObj) {
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- /* init widget specific variables */
- /* init member variables */
- BUTTON_INIT_ID(pObj);
- pObj->Widget.Id = Id;
- pObj->pFont = BUTTON_FONT_DEFAULT;
- pObj->aBkColor[0] = BUTTON_BKCOLOR0_DEFAULT;
- pObj->aBkColor[1] = BUTTON_BKCOLOR1_DEFAULT;
- pObj->aTextColor[0] = BUTTON_TEXTCOLOR0_DEFAULT;
- pObj->aTextColor[1] = BUTTON_TEXTCOLOR1_DEFAULT;
- pObj->Widget.State = BUTTON_STATE_INACTIVE;
- } else {
- GUI_DEBUG_ERROROUT_IF(hObj==0, "BUTTON_Create failed")
- }
- WM_UNLOCK();
- return hObj;
- }
- BUTTON_Handle BUTTON_Create ( int x0, int y0, int xsize, int ysize, int Id, int Flags) {
- return BUTTON_CreateAsChild(x0, y0, xsize, ysize, WM_HMEM_NULL, Id, Flags);
- }
- BUTTON_Handle BUTTON_CreateIndirect(const GUI_WIDGET_CREATE_INFO* pCreateInfo, WM_HWIN hWinParent, int x0, int y0, WM_CALLBACK* cb) {
- BUTTON_Handle hThis;
- GUI_USE_PARA(cb);
- hThis = BUTTON_CreateAsChild(
- pCreateInfo->x0 + x0, pCreateInfo->y0 + y0, pCreateInfo->xSize, pCreateInfo->ySize,
- hWinParent, pCreateInfo->Id, pCreateInfo->Flags);
- BUTTON_SetText(hThis, pCreateInfo->pName);
- return hThis;
- }
- /*********************************************************************
- *
- * Exported routines: Various methods
- *
- **********************************************************************
- */
- void BUTTON_SetText(BUTTON_Handle hObj, const char* s) {
- WM_LOCK();
- if (hObj) {
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- BUTTON_ASSERT_IS_VALID_PTR(pObj);
- WM_FREEPTR(&pObj->hpText);
- {
- WM_HMEM hMem = WM_ALLOC(strlen(s)+1);
- if (hMem) {
- strcpy((char *) WM_HMEM2Ptr(hMem), s);
- }
- pObj->hpText = hMem;
- }
- BUTTON_Invalidate(hObj);
- } else {
- GUI_DEBUG_WARN("BUTTON_SetText: Invalid handle");
- }
- WM_UNLOCK();
- }
- void BUTTON_SetFont(BUTTON_Handle hObj, const GUI_FONT* pfont) {
- if (hObj) {
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- BUTTON_ASSERT_IS_VALID_PTR(pObj);
- pObj->pFont = pfont;
- BUTTON_Invalidate(hObj);
- } else {
- GUI_DEBUG_WARN("BUTTON_SetFont: Invalid handle");
- }
- }
- void BUTTON_SetBkColor(BUTTON_Handle hObj, int Index, GUI_COLOR color) {
- if (hObj) {
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- BUTTON_ASSERT_IS_VALID_PTR(pObj);
- pObj->aBkColor[Index] = color;
- BUTTON_Invalidate(hObj);
- } else {
- GUI_DEBUG_WARN("BUTTON_SetBkColor: Invalid handle");
- }
- }
- void BUTTON_SetTextColor(BUTTON_Handle hObj, int Index, GUI_COLOR color) {
- if (hObj) {
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- BUTTON_ASSERT_IS_VALID_PTR(pObj);
- pObj->aTextColor[Index] = color;
- BUTTON_Invalidate(hObj);
- } else {
- GUI_DEBUG_WARN("BUTTON_SetTextColor: Invalid handle");
- }
- }
- void BUTTON_SetState(BUTTON_Handle hObj, int State) {
- WIDGET_SetState(hObj, State);
- }
- #if BUTTON_SUPPORT_BITMAP_OFFSET
- void BUTTON_SetBitmapEx(BUTTON_Handle hObj, int Index, const GUI_BITMAP* pBitmap, int x, int y) {
- if (hObj) {
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- BUTTON_ASSERT_IS_VALID_PTR(pObj);
- if ((unsigned int)Index > GUI_COUNTOF(pObj->apBitmap))
- return;
- pObj->apBitmap[Index] = pBitmap;
- pObj->xOffBitmap[Index] = x;
- pObj->yOffBitmap[Index] = y;
- BUTTON_Invalidate(hObj);
- }
- }
- #endif
- void BUTTON_SetBitmap(BUTTON_Handle hObj, int Index, const GUI_BITMAP* pBitmap) {
- #if BUTTON_SUPPORT_BITMAP_OFFSET
- BUTTON_SetBitmapEx(hObj, Index, pBitmap, 0,0);
- #else
- if (hObj) {
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- BUTTON_ASSERT_IS_VALID_PTR(pObj);
- if ((unsigned int)Index > GUI_COUNTOF(pObj->apBitmap))
- return;
- pObj->apBitmap[Index] = pBitmap;
- BUTTON_Invalidate(hObj);
- }
- #endif
- }
- #if BUTTON_SUPPORT_STREAMED_BITMAP
- void BUTTON_SetStreamedBitmap(BUTTON_Handle hObj, int Index, const GUI_BITMAP_STREAM* pBitmap) {
- if (hObj) {
- BUTTON_Obj* pObj = BUTTON_H2P(hObj);
- BUTTON_ASSERT_IS_VALID_PTR(pObj);
- if ((unsigned int)Index > GUI_COUNTOF(pObj->apBitmap))
- return;
- pObj->apBitmap[Index] = (const GUI_BITMAP*)pBitmap;
- pObj->aBitmapIsStreamed[Index] = 1;
- BUTTON_Invalidate(hObj);
- }
- }
- #endif
- #else /* Avoid problems with empty object modules */
- void BUTTON_C(void) {}
- #endif /* GUI_WINSUPPORT */