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