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180 lines
5.1 KiB
C
180 lines
5.1 KiB
C
/*
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* OleView (pane.c)
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*
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* Copyright 2006 Piotr Caban
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "main.h"
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static int GetSplitPos(HWND hWnd)
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{
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PANE *pane = (PANE *)GetMenu(hWnd);
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if(pane->pos < pane->size/2+1) pane->pos = pane->size/2+1;
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return (pane->width>pane->pos+pane->size/2+1 ?
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pane->pos : pane->width-pane->size/2-1);
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}
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static void DrawSplitMoving(HWND hWnd, int x)
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{
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RECT rt;
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HDC hdc = GetDC(hWnd);
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PANE *pane = (PANE *)GetMenu(hWnd);
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GetClientRect(hWnd, &rt);
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if(pane->last!=-1)
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{
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rt.left = pane->last-pane->size/2;
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rt.right = pane->last+pane->size/2;
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InvertRect(hdc, &rt);
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}
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pane->pos = x>MAX_WINDOW_WIDTH ? -1 : x;
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x = GetSplitPos(hWnd);
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pane->pos = x;
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rt.left = x-pane->size/2;
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rt.right = x+pane->size/2;
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pane->last = x;
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InvertRect(hdc, &rt);
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ReleaseDC(hWnd, hdc);
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}
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static LRESULT CALLBACK PaneProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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POINT pt;
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PANE *pane = (PANE*)GetMenu(hWnd);
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switch(uMsg)
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{
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case WM_SETCURSOR:
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GetCursorPos(&pt);
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ScreenToClient(hWnd, &pt);
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if(pt.x >= GetSplitPos(hWnd)-pane->size/2 &&
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pt.x <= GetSplitPos(hWnd)+pane->size/2)
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SetCursor(LoadCursorW(0, (LPWSTR)IDC_SIZEWE));
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break;
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case WM_LBUTTONDOWN:
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if((short)LOWORD(lParam) >= GetSplitPos(hWnd)-pane->size/2 &&
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(short)LOWORD(lParam) <= GetSplitPos(hWnd)+pane->size/2)
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{
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pane->last = -1;
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DrawSplitMoving(hWnd, (short)LOWORD(lParam));
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SetCapture(hWnd);
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}
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break;
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case WM_LBUTTONUP:
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if(GetCapture() == hWnd)
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{
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pane->last = -1;
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DrawSplitMoving(hWnd, (short)LOWORD(lParam));
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MoveWindow(pane->left, 0, 0,
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GetSplitPos(hWnd)-pane->size/2, pane->height, TRUE);
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MoveWindow(pane->right, GetSplitPos(hWnd)+pane->size/2, 0,
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pane->width-GetSplitPos(hWnd)-pane->size/2, pane->height, TRUE);
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ReleaseCapture();
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}
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break;
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case WM_MOUSEMOVE:
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if(GetCapture() == hWnd)
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DrawSplitMoving(hWnd, (short)LOWORD(lParam));
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break;
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case WM_NOTIFY:
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if((int)wParam != TYPELIB_TREE) break;
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switch(((LPNMHDR)lParam)->code)
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{
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case TVN_SELCHANGEDW:
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UpdateData(((NMTREEVIEWW *)lParam)->itemNew.hItem);
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break;
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}
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break;
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case WM_SIZE:
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if(wParam == SIZE_MINIMIZED) break;
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pane->width = LOWORD(lParam);
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pane->height = HIWORD(lParam);
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MoveWindow(pane->left, 0, 0,
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GetSplitPos(hWnd)-pane->size/2, HIWORD(lParam), TRUE);
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MoveWindow(pane->right, GetSplitPos(hWnd)+pane->size/2, 0,
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LOWORD(lParam)-GetSplitPos(hWnd)-pane->size/2,
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HIWORD(lParam), TRUE);
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break;
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case WM_DESTROY:
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free(pane);
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break;
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default:
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return DefWindowProcW(hWnd, uMsg, wParam, lParam);
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}
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return 0;
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}
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BOOL PaneRegisterClassW(void)
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{
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WNDCLASSW wcc;
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const WCHAR wszPaneClass[] = { 'P','A','N','E','\0' };
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memset(&wcc, 0, sizeof(WNDCLASSW));
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wcc.lpfnWndProc = PaneProc;
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wcc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wcc.hCursor = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
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wcc.lpszClassName = wszPaneClass;
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if(!RegisterClassW(&wcc))
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return FALSE;
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return TRUE;
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}
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BOOL CreatePanedWindow(HWND hWnd, HWND *hWndCreated, HINSTANCE hInst)
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{
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const WCHAR wszPaneClass[] = { 'P','A','N','E','\0' };
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PANE *pane;
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pane = malloc(sizeof(PANE));
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*hWndCreated = CreateWindowW(wszPaneClass, NULL, WS_CHILD|WS_VISIBLE,
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CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, hWnd, (HMENU)pane, hInst, NULL);
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if(!*hWndCreated)
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{
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free(pane);
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return FALSE;
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}
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pane->left = NULL;
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pane->right = NULL;
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pane->pos = 300;
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pane->size = 5;
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return TRUE;
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}
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void SetLeft(HWND hParent, HWND hWnd)
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{
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PANE *pane = (PANE *)GetMenu(hParent);
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pane->left = hWnd;
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}
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void SetRight(HWND hParent, HWND hWnd)
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{
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PANE *pane = (PANE *)GetMenu(hParent);
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pane->right = hWnd;
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}
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