f69251d87e
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7245 212acab6-be3b-0410-9dea-997c60f758d6
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*
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* bgbg.c
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*
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* This file is a part of NSIS.
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*
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* Copyright (C) 1999-2021 Nullsoft and Contributors
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*
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* Licensed under the zlib/libpng license (the "License");
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* you may not use this file except in compliance with the License.
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*
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* Licence details can be found in the file COPYING.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty.
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*
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* Reviewed for Unicode support by Jim Park -- 08/22/2007
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*/
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#include "../Platform.h"
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#include "resource.h"
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#include "config.h"
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#include "fileform.h"
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#include "state.h"
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#include "ui.h"
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#include "util.h"
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#ifdef NSIS_SUPPORT_BGBG
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#define c1 header->bg_color1
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#define c2 header->bg_color2
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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_WINDOWPOSCHANGING:
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{
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LPWINDOWPOS wp = (LPWINDOWPOS) lParam;
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wp->flags |= SWP_NOACTIVATE;
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wp->hwndInsertAfter = g_hwnd;
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break;
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}
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case WM_PAINT:
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{
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header *header = g_header;
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PAINTSTRUCT ps;
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HDC hdc=BeginPaint(hwnd,&ps);
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RECT r;
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LOGBRUSH lh;
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int ry;
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lh.lbStyle = BS_SOLID;
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GetClientRect(hwnd,&r);
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// this portion by Drew Davidson, drewdavidson@mindspring.com
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ry=r.bottom;
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r.bottom=0;
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// JF: made slower, reduced to 4 pixels high, because I like how it looks better/
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while (r.top < ry)
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{
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int rv,gv,bv;
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HBRUSH brush;
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rv = (GetRValue(c2) * r.top + GetRValue(c1) * (ry-r.top)) / ry;
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gv = (GetGValue(c2) * r.top + GetGValue(c1) * (ry-r.top)) / ry;
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bv = (GetBValue(c2) * r.top + GetBValue(c1) * (ry-r.top)) / ry;
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lh.lbColor = RGB(rv,gv,bv);
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brush = CreateBrushIndirect(&lh);
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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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r.bottom+=4;
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FillRect(hdc, &r, brush);
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DeleteObject(brush);
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r.top+=4;
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}
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if (header->bg_textcolor != -1)
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{
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HFONT newFont = CreateFontIndirect((LOGFONT*) header->blocks[NB_BGFONT].offset);
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if (newFont)
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{
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HFONT oldFont;
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r.left=16;
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r.top=8;
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SetBkMode(hdc,TRANSPARENT);
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SetTextColor(hdc,header->bg_textcolor);
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oldFont = SelectObject(hdc,newFont);
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DrawText(hdc,g_caption,-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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#endif //NSIS_SUPPORT_BGBG
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