winamp/Src/Plugins/Library/ml_disc/infoBox.cpp
2024-09-24 14:54:57 +02:00

145 lines
3.6 KiB
C++

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