128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI is protected by international copyright laws. Knowledge of the
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* source code may not be used to write a similar product. This file may
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* only be used in accordance with a license and should not be redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : WM_Move.C
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Purpose : Windows manager, add. module
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----------------------------------------------------------------------
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*/
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#include "WM_Intern.h"
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#if GUI_WINSUPPORT /* If 0, WM will not generate any code */
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/*********************************************************************
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*
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* Static code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* _MoveDescendents
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*
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* Description
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* Moves _MoveDescendents.
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* Since the parent has already been moved, there is no need to
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* take care of invalidation.
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*
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* Parameters
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* hWin The first of all descendents to be moved (first child)
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*/
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static void _MoveDescendents(WM_HWIN hWin, int dx, int dy) {
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WM_Obj* pWin;
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for (;hWin; hWin = pWin->hNext) {
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pWin = WM_HANDLE2PTR(hWin);
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GUI_MoveRect(&pWin->Rect, dx, dy);
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GUI_MoveRect(&pWin->InvalidRect, dx, dy);
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_MoveDescendents(pWin->hFirstChild, dx, dy); /* Children need to be moved along ...*/
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WM__SendMsgNoData(hWin, WM_MOVE);
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}
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}
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/*********************************************************************
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*
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* Public module internal code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* WM__MoveWindow
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*/
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void WM__MoveWindow(WM_HWIN hWin, int dx, int dy) {
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GUI_RECT r;
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WM_Obj* pWin;
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if (hWin) {
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pWin = WM_HANDLE2PTR(hWin);
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r = pWin->Rect;
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GUI_MoveRect(&pWin->Rect, dx, dy);
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GUI_MoveRect(&pWin->InvalidRect, dx, dy);
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_MoveDescendents(pWin->hFirstChild, dx, dy); /* Children need to be moved along ...*/
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/* Invalidate old and new area ... */
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if (pWin->Status & WM_SF_ISVIS) {
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WM_InvalidateArea(&pWin->Rect); /* Invalidate new area */
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WM_InvalidateArea(&r) ; /* Invalidate old area */
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}
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WM__SendMsgNoData(hWin, WM_MOVE); /* Notify window it has been moved */
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}
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}
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/*********************************************************************
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*
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* WM__MoveTo
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*/
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void WM__MoveTo(WM_HWIN hWin, int x, int y) {
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if (hWin) {
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WM_Obj* pWin = WM_HANDLE2PTR(hWin);
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x -= pWin->Rect.x0;
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y -= pWin->Rect.y0;
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WM__MoveWindow(hWin, x, y);
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}
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}
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/*********************************************************************
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*
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* Public API code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* WM_MoveWindow
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*/
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void WM_MoveWindow(WM_HWIN hWin, int dx, int dy) {
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WM_LOCK(); {
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WM__MoveWindow(hWin, dx, dy);
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} WM_UNLOCK();
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}
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/*********************************************************************
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*
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* WM_MoveTo
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*/
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void WM_MoveTo(WM_HWIN hWin, int x, int y) {
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WM_LOCK(); {
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WM__MoveTo(hWin, x, y);
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} WM_UNLOCK();
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}
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#else
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void WM_Move_c(void) {} /* avoid empty object files */
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#endif /* GUI_WINSUPPORT */
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/*************************** End of file ****************************/
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