97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
/*
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* mooutils-dialog-win32.cpp
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*
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* Copyright (C) 2004-2016 by Yevgen Muntyan <emuntyan@users.sourceforge.net>
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*
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* This file is part of medit. medit is free software; you can
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* redistribute it and/or modify it under the terms of the
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* GNU Lesser General Public License as published by the
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* Free Software Foundation; either version 2.1 of the License,
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* or (at your option) any later version.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with medit. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "mooutils/mooutils-dialog-win32.h"
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#include "moocpp/utils.h"
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#include <gdk/gdkwin32.h>
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#include <gtk/gtk.h>
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#include <mooglib/moo-glib.h>
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#include <windows.h>
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#include <windowsx.h>
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#include <shobjidl.h>
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#include <shlwapi.h>
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using namespace moo;
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MooWinDialogHelper::MooWinDialogHelper()
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: m_got_gdk_events_message(RegisterWindowMessage(L"GDK_WIN32_GOT_EVENTS"))
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, m_thread_id(GetCurrentThreadId())
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{
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g_return_if_fail(!m_instance);
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m_instance = this;
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}
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MooWinDialogHelper::~MooWinDialogHelper()
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{
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if (m_instance == this)
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{
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if (m_hook)
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UnhookWindowsHookEx(m_hook);
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gdk_win32_set_modal_dialog_libgtk_only(nullptr);
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m_instance = nullptr;
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}
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}
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void MooWinDialogHelper::hookup(HWND hwnd)
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{
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g_return_if_fail(this == m_instance);
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g_return_if_fail(hwnd != nullptr);
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gdk_win32_set_modal_dialog_libgtk_only(hwnd);
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if (!m_hook)
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{
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m_hook = SetWindowsHookEx(WH_CALLWNDPROC, hook_proc,
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GetModuleHandle(nullptr),
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m_thread_id);
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g_return_if_fail(m_hook != nullptr);
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while (gtk_events_pending())
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gtk_main_iteration();
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}
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}
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LRESULT CALLBACK MooWinDialogHelper::hook_proc(int code, WPARAM wParam, LPARAM lParam)
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{
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g_return_val_if_fail(m_instance != nullptr, 0);
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if (GetCurrentThreadId() != m_instance->m_thread_id)
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return CallNextHookEx(m_instance->m_hook, code, wParam, lParam);
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if (m_instance->m_in_hook_proc)
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return CallNextHookEx(m_instance->m_hook, code, wParam, lParam);
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raii on_exit([] ()
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{
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m_instance->m_in_hook_proc = false;
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});
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m_instance->m_in_hook_proc = true;
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while (gtk_events_pending())
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gtk_main_iteration();
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return CallNextHookEx(m_instance->m_hook, code, wParam, lParam);
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}
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MooWinDialogHelper* MooWinDialogHelper::m_instance = nullptr;
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