Michael Dirks
119 lines
3.6 KiB
C++
119 lines
3.6 KiB
C++
// BlitzUtility - Expanding the normal Blitz functionality.
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// Copyright (C) 2015 Xaymar (Michael Fabian Dirks)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include "WindowMessageHandler.h"
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std::list<WindowUserData>* WindowMessageHandler_List;
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void BU_WindowMessageHandler_OnProcessAttach() {
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WindowMessageHandler_List = new std::list<WindowUserData>();
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}
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void BU_WindowMessageHandler_OnProcessDetach() {
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for (auto iterator = WindowMessageHandler_List->begin(), end = WindowMessageHandler_List->end(); iterator != end; iterator++) {
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BU_WindowMessageHandler_Uninstall(iterator->hwnd);
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}
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WindowMessageHandler_List->clear();
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delete WindowMessageHandler_List;
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}
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LRESULT CALLBACK BU_WindowMessageHandler_Procedure(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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switch (uMsg) {
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case WM_SIZE:
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UserData->WindowWasResized = true;
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UserData->WindowClientWidth = lParam & 0xFFFF;
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UserData->WindowClientHeight = lParam & 0xFFFF0000 >> 16;
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return CallWindowProc(UserData->oWindowProcedure, hwnd, uMsg, wParam, lParam);
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break;
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case WM_CLOSE:
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UserData->DestroyCount++;
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return false;
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case WM_DESTROY:
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UserData->CloseCount++;
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return false;
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default:
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return CallWindowProc(UserData->oWindowProcedure, hwnd, uMsg, wParam, lParam);
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}
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} else {
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return DefWindowProc(hwnd, uMsg, wParam, lParam);
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}
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}
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DLL_FUNCTION(void) BU_WindowMessageHandler_Install(HWND hwnd)
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{
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WindowUserData* UserData = new WindowUserData;
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ZeroMemory(UserData, sizeof(UserData));
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UserData->oWindowProcedure = (WNDPROC)SetWindowLong(hwnd, GWL_WNDPROC, (LONG)&BU_WindowMessageHandler_Procedure);
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UserData->oUserData = SetWindowLong(hwnd, GWL_USERDATA, (LONG)UserData);
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}
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DLL_FUNCTION(void) BU_WindowMessageHandler_Uninstall(HWND hwnd)
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{
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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SetWindowLong(hwnd, GWL_USERDATA, UserData->oUserData);
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SetWindowLong(hwnd, GWL_WNDPROC, (LONG)(UserData->oWindowProcedure));
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delete UserData;
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}
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}
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DLL_FUNCTION(uint32_t) BU_WindowMessageHandler_Message_Resize(HWND hwnd, LPPOINT point)
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{
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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int toReturn = UserData->WindowWasResized;
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point->x = UserData->WindowClientWidth;
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point->y = UserData->WindowClientHeight;
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UserData->WindowWasResized = false;
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return toReturn;
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}
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return FALSE;
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}
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DLL_FUNCTION(uint32_t) BU_WindowMessageHandler_Message_Destroy(HWND hwnd)
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{
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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int toReturn = UserData->DestroyCount;
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UserData->DestroyCount = 0;
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return toReturn;
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}
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return 0;
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}
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DLL_FUNCTION(uint32_t) BU_WindowMessageHandler_Message_Close(HWND hwnd)
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{
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if (hwnd) {
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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int toReturn = UserData->CloseCount;
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UserData->CloseCount = 0;
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return toReturn;
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}
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}
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return 0;
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}
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