183 lines
3.8 KiB
C
183 lines
3.8 KiB
C
/*
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* Treeview control
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*
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* Copyright 1998 Eric Kohl
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*
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* NOTES
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* This is just a dummy control. An author is needed! Any volunteers?
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* I will only improve this control once in a while.
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* Eric <ekohl@abo.rhein-zeitung.de>
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*
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* TODO:
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* - All messages.
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* - All notifications.
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*/
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#include "windows.h"
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#include "commctrl.h"
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#include "treeview.h"
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#include "heap.h"
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#include "win.h"
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#include "debug.h"
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#define TREEVIEW_GetInfoPtr(wndPtr) ((TREEVIEW_INFO *)wndPtr->wExtra[0])
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static LRESULT
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TREEVIEW_SetImageList (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
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{
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TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(wndPtr);
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HIMAGELIST himlTemp;
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if ((INT32)wParam == TVSIL_NORMAL) {
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himlTemp = infoPtr->himlNormal;
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infoPtr->himlNormal = (HIMAGELIST)lParam;
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}
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else if ((INT32)wParam == TVSIL_STATE) {
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himlTemp = infoPtr->himlState;
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infoPtr->himlState = (HIMAGELIST)lParam;
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}
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else
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return NULL;
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return (LRESULT)himlTemp;
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}
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static LRESULT
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TREEVIEW_Create (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
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{
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TREEVIEW_INFO *infoPtr;
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/* allocate memory for info structure */
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infoPtr = (TREEVIEW_INFO *)HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY,
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sizeof(TREEVIEW_INFO));
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wndPtr->wExtra[0] = (DWORD)infoPtr;
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if (infoPtr == NULL) {
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ERR (treeview, "could not allocate info memory!\n");
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return 0;
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}
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if ((TREEVIEW_INFO*)wndPtr->wExtra[0] != infoPtr) {
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ERR (treeview, "pointer assignment error!\n");
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return 0;
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}
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/* set default settings */
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infoPtr->clrBk = GetSysColor32 (COLOR_WINDOW);
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infoPtr->clrText = GetSysColor32 (COLOR_BTNTEXT);
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infoPtr->himlNormal = NULL;
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infoPtr->himlState = NULL;
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return 0;
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}
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static LRESULT
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TREEVIEW_Destroy (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
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{
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TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(wndPtr);
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/* free tree view info data */
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HeapFree (GetProcessHeap (), 0, infoPtr);
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return 0;
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}
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static LRESULT
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TREEVIEW_EraseBackground (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
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{
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TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(wndPtr);
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HBRUSH32 hBrush = CreateSolidBrush32 (infoPtr->clrBk);
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RECT32 rect;
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GetClientRect32 (wndPtr->hwndSelf, &rect);
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FillRect32 ((HDC32)wParam, &rect, hBrush);
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DeleteObject32 (hBrush);
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return TRUE;
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}
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LRESULT WINAPI
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TreeviewWindowProc (HWND32 hwnd, UINT32 uMsg, WPARAM32 wParam, LPARAM lParam)
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{
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WND *wndPtr = WIN_FindWndPtr(hwnd);
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switch (uMsg)
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{
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// case TVM_GETIMAGELIST:
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// return TREEVIEW_GetImageList (wndPtr, wParam, lParam);
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case TVM_SETIMAGELIST:
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return TREEVIEW_SetImageList (wndPtr, wParam, lParam);
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case WM_CREATE:
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return TREEVIEW_Create (wndPtr, wParam, lParam);
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case WM_DESTROY:
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return TREEVIEW_Destroy (wndPtr, wParam, lParam);
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// case EM_ENABLE:
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case WM_ERASEBKGND:
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return TREEVIEW_EraseBackground (wndPtr, wParam, lParam);
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case WM_GETDLGCODE:
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return DLGC_WANTARROWS | DLGC_WANTCHARS;
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// case WM_PAINT:
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// return TREEVIEW_Paint (wndPtr, wParam);
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// case WM_SETFONT:
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// case WM_TIMER:
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// case WM_VSCROLL:
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default:
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if (uMsg >= WM_USER)
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ERR (treeview, "unknown msg %04x wp=%08x lp=%08lx\n",
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uMsg, wParam, lParam);
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return DefWindowProc32A (hwnd, uMsg, wParam, lParam);
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}
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return 0;
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}
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void
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TREEVIEW_Register (void)
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{
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WNDCLASS32A wndClass;
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if (GlobalFindAtom32A (WC_TREEVIEW32A)) return;
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ZeroMemory (&wndClass, sizeof(WNDCLASS32A));
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wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
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wndClass.lpfnWndProc = (WNDPROC32)TreeviewWindowProc;
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wndClass.cbClsExtra = 0;
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wndClass.cbWndExtra = sizeof(TREEVIEW_INFO *);
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wndClass.hCursor = LoadCursor32A (0, IDC_ARROW32A);
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wndClass.hbrBackground = 0;
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wndClass.lpszClassName = WC_TREEVIEW32A;
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RegisterClass32A (&wndClass);
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}
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