145 lines
3.6 KiB
C++
145 lines
3.6 KiB
C++
#include "main.h"
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#include ".\infoBox.h"
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MLInfoBox::MLInfoBox(void)
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{
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oldWndProc = NULL;
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m_hwnd = NULL;
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bodyBrush = NULL;
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headerBrush = NULL;
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headerText[0] = 0;
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SetColors(RGB(0,0,0), RGB(255,255,255), RGB(0,60,0));
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SetRect(&rcBody, 0,0,0,0);
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drawHeader = TRUE;
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SetRect(&rcHeader, 0,0,0,20); // default height
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headerFont = NULL;
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}
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MLInfoBox::~MLInfoBox(void)
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{
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SetWindowLong(m_hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)oldWndProc);
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oldWndProc = NULL;
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if (headerBrush) DeleteObject(headerBrush);
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headerBrush = NULL;
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if (bodyBrush) DeleteObject(bodyBrush);
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bodyBrush = NULL;
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if (headerFont) DeleteObject(headerFont);
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headerFont = NULL;
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}
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void MLInfoBox::SetColors(COLORREF bodyBG, COLORREF headerFG, COLORREF headerBG)
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{
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this->bodyBG = bodyBG;
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this->headerFG = headerFG;
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this->headerBG = headerBG;
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if (headerBrush) DeleteObject(headerBrush);
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headerBrush = NULL;
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headerBrush = CreateSolidBrush(headerBG);
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if (bodyBrush) DeleteObject(bodyBrush);
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bodyBrush = NULL;
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bodyBrush = CreateSolidBrush(bodyBG);
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}
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void MLInfoBox::Init(HWND hwnd)
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{
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m_hwnd = hwnd;
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HDC hdc = GetDC(hwnd);
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long lfHeight;
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lfHeight = -MulDiv(8, GetDeviceCaps(hdc, LOGPIXELSY), 72);
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headerFont = CreateFontW(lfHeight, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, L"Arial");
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ReleaseDC(hwnd, hdc);
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SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONGX86)(LONG_PTR)this);
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oldWndProc= (WNDPROC)(LONG_PTR)SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)newWndProc);
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RECT rc;
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GetWindowRect(hwnd, &rc);
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SetSize(rc.right - rc.left, rc.bottom - rc.top);
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}
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void MLInfoBox::SetSize(int cx, int cy)
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{
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int offset = 0;
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if (drawHeader)
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{
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SetRect(&rcHeader, 0,0, cx, rcHeader.bottom);
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offset = rcHeader.bottom;
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}
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SetRect(&rcBody, 0, offset, cx, cy);
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}
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LRESULT CALLBACK MLInfoBox::newWndProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam)
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{
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MLInfoBox *box = (MLInfoBox*)(LONG_PTR)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);
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switch(uMsg)
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{
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case WM_SIZE:
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if (SIZE_MINIMIZED != wParam)
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{
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box->SetSize(LOWORD(lParam), HIWORD(lParam));
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}
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break;
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case WM_ERASEBKGND:
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{
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HDC hdc = GetDC(hwndDlg);
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SetTextColor(hdc, box->headerFG);
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SetBkColor(hdc, box->headerBG);
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RECT txtRect;
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SetRect(&txtRect, box->rcHeader.left + 8, box->rcHeader.top + 2, box->rcHeader.right -2, box->rcHeader.bottom -2);
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HFONT oldFont = (HFONT)SelectObject(hdc, box->headerFont);
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GetWindowTextW(hwndDlg, box->headerText, CAPTION_LENGTH);
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DrawTextW(hdc, box->headerText, -1, &txtRect, DT_VCENTER | DT_LEFT | DT_SINGLELINE);
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SelectObject(hdc, oldFont);
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ReleaseDC(hwndDlg, hdc);
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}
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return TRUE;
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break;
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case WM_PAINT:
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{
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PAINTSTRUCT pt;
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HDC hdc = BeginPaint(hwndDlg, &pt);
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RECT drawRect ;
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if(box->drawHeader && IntersectRect(&drawRect, &box->rcHeader, &pt.rcPaint))
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{
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FillRect(hdc, &drawRect, box->headerBrush);
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SetTextColor(hdc, box->headerFG);
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SetBkColor(hdc, box->headerBG);
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SetRect(&drawRect, box->rcHeader.left + 8, box->rcHeader.top + 2, box->rcHeader.right -2, box->rcHeader.bottom -2);
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HFONT oldFont = (HFONT)SelectObject(hdc, box->headerFont);
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GetWindowTextW(hwndDlg, box->headerText, CAPTION_LENGTH);
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DrawTextW(hdc, box->headerText, -1, &drawRect, DT_VCENTER | DT_LEFT | DT_SINGLELINE);
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SelectObject(hdc, oldFont);
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ValidateRect(hwndDlg, &drawRect);
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}
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if(IntersectRect(&drawRect, &box->rcBody, &pt.rcPaint))
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{
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FillRect(hdc, &drawRect, box->bodyBrush);
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ValidateRect(hwndDlg, &drawRect);
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}
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EndPaint(hwndDlg, &pt);
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}
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break;
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}
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return CallWindowProc(box->oldWndProc, hwndDlg, uMsg, wParam, lParam);
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}
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