mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-12-14 14:51:10 +00:00
342 lines
9.4 KiB
C++
342 lines
9.4 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "../../idlib/precompiled.h"
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#pragma hdrstop
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#include "../../sys/win32/win_local.h"
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#include "ColorButton.h"
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#include "MaskEdit.h"
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#include "../../sys/win32/rc/guied_resource.h"
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static HHOOK gAlphaHook = NULL;
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static HWND gAlphaDlg = NULL;
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/*
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================
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AlphaSlider_DrawArrow
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Draws the arrow under alpha slider
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================
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*/
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static void AlphaSlider_DrawArrow ( HDC hDC, RECT* pRect, COLORREF color )
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{
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POINT ptsArrow[3];
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ptsArrow[0].x = pRect->left;
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ptsArrow[0].y = pRect->bottom;
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ptsArrow[1].x = (pRect->left + pRect->right)/2;
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ptsArrow[1].y = pRect->top;
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ptsArrow[2].x = pRect->right;
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ptsArrow[2].y = pRect->bottom;
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HBRUSH arrowBrush = CreateSolidBrush ( color );
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HPEN arrowPen = CreatePen ( PS_SOLID, 1, color );
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HGDIOBJ oldBrush = SelectObject ( hDC, arrowBrush );
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HGDIOBJ oldPen = SelectObject ( hDC, arrowPen );
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SetPolyFillMode(hDC, WINDING);
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Polygon(hDC, ptsArrow, 3);
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SelectObject ( hDC, oldBrush );
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SelectObject ( hDC, oldPen );
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DeleteObject ( arrowBrush );
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DeleteObject ( arrowPen );
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}
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/*
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================
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AlphaSlider_WndProc
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Window procedure for the alpha slider control
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================
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*/
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LRESULT CALLBACK AlphaSlider_WndProc ( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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switch ( msg )
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{
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case WM_LBUTTONDOWN:
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{
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RECT rClient;
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float v;
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GetClientRect ( hwnd, &rClient );
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v = (float)((short)LOWORD(lParam)-5) / (float)(rClient.right - rClient.left - 10);
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if ( v < 0 ) v = 0;
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if ( v > 1.0f ) v = 1.0f;
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SetWindowLong ( hwnd, GWL_USERDATA, MAKELONG(0x8000,(unsigned short)(255.0f * v)) );
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InvalidateRect ( hwnd, NULL, FALSE );
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SetCapture ( hwnd );
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break;
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}
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case WM_MOUSEMOVE:
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if ( LOWORD(GetWindowLong ( hwnd, GWL_USERDATA ) ) & 0x8000 )
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{
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RECT rClient;
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float v;
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GetClientRect ( hwnd, &rClient );
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v = (float)((short)LOWORD(lParam)-5) / (float)(rClient.right - rClient.left - 10);
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if ( v < 0 ) v = 0;
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if ( v > 1.0f ) v = 1.0f;
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SetWindowLong ( hwnd, GWL_USERDATA, MAKELONG(0x8000,(unsigned short)(255.0f * v)) );
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InvalidateRect ( hwnd, NULL, FALSE );
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}
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break;
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case WM_LBUTTONUP:
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if ( LOWORD(GetWindowLong ( hwnd, GWL_USERDATA ) ) & 0x8000 )
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{
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RECT rClient;
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float v;
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GetClientRect ( hwnd, &rClient );
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v = (float)((short)LOWORD(lParam)-5) / (float)(rClient.right - rClient.left - 10);
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if ( v < 0 ) v = 0;
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if ( v > 1.0f ) v = 1.0f;
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SetWindowLong ( hwnd, GWL_USERDATA, MAKELONG(0x8000,(unsigned short)(255.0f * v)) );
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InvalidateRect ( hwnd, NULL, FALSE );
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ReleaseCapture ( );
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SendMessage ( GetParent ( hwnd ), WM_COMMAND, MAKELONG(GetWindowLong (hwnd,GWL_ID),0), 0 );
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}
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break;
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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HDC hDC = BeginPaint ( hwnd, &ps );
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RECT rDraw;
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RECT rClient;
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GetClientRect ( hwnd, &rClient );
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// Setup the gradient rect
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CopyRect ( &rDraw, &rClient );
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rDraw.left += 5;
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rDraw.right -= 5;
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rDraw.bottom -= 6;
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// Draw the gradient
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int parts = 20;
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RECT rColor;
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float step = (float)(rDraw.right-rDraw.left) / (float)parts;
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CopyRect ( &rColor, &rDraw );
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for ( int i = 0; i < parts; i ++ )
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{
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float color = ((float)i / (float)parts) * 255.0f;
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rColor.left = rDraw.left + i * step;
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rColor.right = rColor.left + step + 1;
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HBRUSH brush = CreateSolidBrush ( RGB((int)color,(int)color,(int)color) );
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FillRect ( hDC, &rColor, brush );
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DeleteObject ( brush );
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}
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// Draw a frame around the gradient
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FrameRect (hDC, &rDraw, (HBRUSH)GetStockObject ( BLACK_BRUSH ) );
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// Make sure the area below the graident is filled in
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rClient.top = rDraw.bottom;
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FillRect ( hDC, &rClient, GetSysColorBrush ( COLOR_3DFACE ) );
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// Draw the thumb
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RECT rThumb;
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short s = HIWORD(GetWindowLong ( hwnd, GWL_USERDATA ));
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float thumb = (float)(short)s;
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thumb /= 255.0f;
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thumb *= (float)(rDraw.right-rDraw.left);
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rThumb.left = rDraw.left - 5 + thumb;
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rThumb.right = rThumb.left + 10;
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rThumb.top = rDraw.bottom + 1;
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rThumb.bottom = rThumb.top + 5;
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AlphaSlider_DrawArrow ( hDC, &rThumb, RGB(0,0,0) );
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EndPaint ( hwnd, &ps );
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return 0;
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}
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}
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return DefWindowProc ( hwnd, msg, wParam, lParam );
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}
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/*
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================
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AlphaSelectDlg_GetMsgProc
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Ensures normal dialog functions work in the alpha select dialog
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================
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*/
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LRESULT FAR PASCAL AlphaSelectDlg_GetMsgProc(int nCode, WPARAM wParam, LPARAM lParam)
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{
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LPMSG lpMsg = (LPMSG) lParam;
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if ( nCode >= 0 && PM_REMOVE == wParam )
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{
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// Don't translate non-input events.
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if ( (lpMsg->message >= WM_KEYFIRST && lpMsg->message <= WM_KEYLAST) )
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{
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if ( IsDialogMessage( gAlphaDlg, lpMsg) )
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{
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// The value returned from this hookproc is ignored,
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// and it cannot be used to tell Windows the message has been handled.
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// To avoid further processing, convert the message to WM_NULL
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// before returning.
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lpMsg->message = WM_NULL;
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lpMsg->lParam = 0;
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lpMsg->wParam = 0;
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}
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}
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}
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return CallNextHookEx(gAlphaHook, nCode, wParam, lParam);
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}
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/*
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================
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AlphaSelectDlg_WndProc
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Window procedure for the alpha select dialog
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================
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*/
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INT_PTR CALLBACK AlphaSelectDlg_WndProc ( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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switch ( msg )
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{
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case WM_INITDIALOG:
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{
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int color;
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gAlphaDlg = hwnd;
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gAlphaHook = SetWindowsHookEx( WH_GETMESSAGE, AlphaSelectDlg_GetMsgProc, NULL, GetCurrentThreadId() );
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color = GetRValue(ColorButton_GetColor ((HWND)lParam));
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// The lParam for the alpha select dialog is the window handle of the button pressed
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SetWindowLong ( hwnd, GWL_USERDATA, lParam );
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// Subclass the alpha
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SetWindowLong ( GetDlgItem ( hwnd, IDC_GUIED_ALPHASLIDER ), GWL_USERDATA, MAKELONG(0,color) );
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// Numbers only on the edit box and start it with the current alpha value.
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NumberEdit_Attach ( GetDlgItem ( hwnd, IDC_GUIED_ALPHA ) );
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SetWindowText ( GetDlgItem ( hwnd, IDC_GUIED_ALPHA ), va("%.3f", ((float)color / 255.0f) ) );
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break;
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}
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case WM_DESTROY:
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UnhookWindowsHookEx( gAlphaHook );
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ReleaseCapture ( );
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gAlphaDlg = NULL;
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break;
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case WM_ACTIVATE:
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if ( !LOWORD(wParam) )
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{
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EndDialog ( hwnd, 0 );
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}
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break;
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case WM_COMMAND:
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switch ( LOWORD(wParam) )
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{
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case IDC_GUIED_ALPHA:
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{
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char temp[64];
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float value;
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// Get the current text in the window and convert it to a float
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GetDlgItemText ( hwnd, IDC_GUIED_ALPHA, temp, 64 );
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value = atof ( temp );
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if ( value < 0.0f )
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{
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value = 0.0f;
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}
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else if ( value > 1.0f )
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{
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value = 1.0f;
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}
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// Set the current alpha value in the slider
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SetWindowLong ( GetDlgItem ( hwnd, IDC_GUIED_ALPHASLIDER ), GWL_USERDATA, MAKELONG(0,(255.0f * value)) );
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break;
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}
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case IDC_GUIED_ALPHASLIDER:
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case IDOK:
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{
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int color = (short)HIWORD(GetWindowLong ( GetDlgItem ( hwnd, IDC_GUIED_ALPHASLIDER ), GWL_USERDATA ));
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ColorButton_SetColor ( (HWND)GetWindowLong ( hwnd, GWL_USERDATA ), RGB(color,color,color) );
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EndDialog ( hwnd, 0 );
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break;
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}
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case IDCANCEL:
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EndDialog ( hwnd, 0 );
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break;
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}
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break;
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}
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return FALSE;
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}
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/*
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================
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AlphaButton_OpenPopup
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Opens the popup window under the alpha button
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================
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*/
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void AlphaButton_OpenPopup ( HWND button )
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{
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RECT rWindow;
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WNDCLASSEX wndClass;
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HWND dlg;
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// Make sure the alpha slider window class is registered
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memset ( &wndClass, 0, sizeof(wndClass) );
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wndClass.cbSize = sizeof(WNDCLASSEX);
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wndClass.lpszClassName = "GUIED_ALPHASLIDER";
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wndClass.lpfnWndProc = AlphaSlider_WndProc;
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wndClass.hInstance = win32.hInstance;
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RegisterClassEx ( &wndClass );
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GetWindowRect ( button, &rWindow );
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dlg = CreateDialogParam ( win32.hInstance, MAKEINTRESOURCE(IDD_GUIED_ALPHA), GetParent(button), AlphaSelectDlg_WndProc, (LPARAM)button );
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SetWindowPos ( dlg, NULL, rWindow.left, rWindow.bottom + 1, 0, 0, SWP_NOSIZE|SWP_NOZORDER );
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ShowWindow ( dlg, SW_SHOW );
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UpdateWindow ( dlg );
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SetFocus ( dlg );
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}
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