d94be8af2a
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@1103 212acab6-be3b-0410-9dea-997c60f758d6
91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
#include <windows.h>
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#include "resource.h"
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#include "config.h"
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#ifdef NSIS_SUPPORT_BGBG
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static int m_color1, m_color2, m_textcolor;
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static LRESULT CALLBACK BG_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch (uMsg)
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{
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case WM_PAINT:
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{
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static PAINTSTRUCT ps;
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HFONT newFont, oldFont;
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HDC hdc=BeginPaint(hwnd,&ps);
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RECT r;
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int y;
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GetClientRect(hwnd,&r);
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// this portion by Drew Davidson, drewdavidson@mindspring.com
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// JF: made slower, reduced to 4 pixels high, because I like how it looks better/
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for (y = r.top; y < r.bottom; y += 4)
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{
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int rv,gv,bv;
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RECT rect;
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HBRUSH brush;
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int ry=r.bottom-y;
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rv = (GetRValue(m_color2) * y + GetRValue(m_color1) * ry) / r.bottom;
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gv = (GetGValue(m_color2) * y + GetGValue(m_color1) * ry) / r.bottom;
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bv = (GetBValue(m_color2) * y + GetBValue(m_color1) * ry) / r.bottom;
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brush = CreateSolidBrush(RGB(rv,gv,bv));
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SetRect(&rect, r.left, y, r.right, y+4);
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// note that we don't need to do "SelectObject(hdc, brush)"
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// because FillRect lets us specify the brush as a parameter.
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FillRect(hdc, &rect, brush);
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DeleteObject(brush);
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}
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if (m_textcolor != -1)
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{
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newFont = CreateFont(40,0,0,0,FW_BOLD,TRUE,FALSE,FALSE,DEFAULT_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH,"Garamond");
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if (newFont)
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{
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static char buf[256];
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r.left+=16;
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r.top+=8;
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GetWindowText(hwnd,buf,sizeof(buf));
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SetBkMode(hdc,TRANSPARENT);
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SetTextColor(hdc,m_textcolor);
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oldFont = SelectObject(hdc,newFont);
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DrawText(hdc,buf,-1,&r,DT_TOP|DT_LEFT|DT_SINGLELINE|DT_NOPREFIX);
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SelectObject(hdc,oldFont);
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DeleteObject(newFont);
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}
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}
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EndPaint(hwnd,&ps);
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}
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return 0;
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}
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return DefWindowProc(hwnd,uMsg,wParam,lParam);
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}
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HWND NSISCALL bgWnd_Init(HINSTANCE hInstance, int color1, int color2, int color3)
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{
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RECT vp;
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char classname[4]="_Nb";
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static WNDCLASS wc;
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wc.style = CS_VREDRAW | CS_HREDRAW;
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wc.lpfnWndProc = BG_WndProc;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon(hInstance,MAKEINTRESOURCE(IDI_ICON2));
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wc.hCursor = LoadCursor(NULL,IDC_ARROW);
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wc.lpszClassName = classname;
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if (!RegisterClass(&wc)) return 0;
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m_color1=color1;
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m_color2=color2;
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m_textcolor=color3;
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SystemParametersInfo(SPI_GETWORKAREA, 0, &vp, 0);
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return CreateWindow(classname,"",WS_OVERLAPPED|WS_THICKFRAME|WS_CAPTION|WS_SYSMENU|WS_MAXIMIZEBOX|WS_MINIMIZEBOX,
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vp.left,vp.top,vp.right-vp.left,vp.bottom-vp.top,GetDesktopWindow(),NULL,hInstance,NULL);
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}
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#endif //NSIS_SUPPORT_BGBG
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