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libreoffice/vcl/unx/gtk3/gtksys.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

330 lines
10 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <gtk/gtk.h>
#include <unx/gtk/gtkdata.hxx>
#include <unx/gtk/gtkinst.hxx>
#include <unx/gtk/gtksys.hxx>
#include <unx/gtk/gtkbackend.hxx>
#include <osl/module.h>
GtkSalSystem *GtkSalSystem::GetSingleton()
{
static GtkSalSystem *pSingleton = new GtkSalSystem();
return pSingleton;
}
SalSystem *GtkInstance::CreateSalSystem()
{
return GtkSalSystem::GetSingleton();
}
GtkSalSystem::GtkSalSystem()
{
mpDisplay = gdk_display_get_default();
#if !GTK_CHECK_VERSION(4, 0, 0)
countScreenMonitors();
#endif
// rhbz#1285356, native look will be gtk2, which crashes
// when gtk3 is already loaded. Until there is a solution
// java-side force look and feel to something that doesn't
// crash when we are using gtk3
setenv("STOC_FORCE_SYSTEM_LAF", "true", 1);
}
GtkSalSystem::~GtkSalSystem()
{
}
namespace
{
struct GdkRectangleCoincidentLess
{
// fdo#78799 - detect and elide overlaying monitors of different sizes
bool operator()(GdkRectangle const& rLeft, GdkRectangle const& rRight)
{
return
rLeft.x < rRight.x
|| rLeft.y < rRight.y
;
}
};
struct GdkRectangleCoincident
{
// fdo#78799 - detect and elide overlaying monitors of different sizes
bool operator()(GdkRectangle const& rLeft, GdkRectangle const& rRight)
{
return
rLeft.x == rRight.x
&& rLeft.y == rRight.y
;
}
};
}
#if !GTK_CHECK_VERSION(4, 0, 0)
/**
* GtkSalSystem::countScreenMonitors()
*
* This method builds the vector which allows us to map from VCL's
* idea of linear integer ScreenNumber to gtk+'s rather more
* complicated screen + monitor concept.
*/
void
GtkSalSystem::countScreenMonitors()
{
maScreenMonitors.clear();
for (gint i = 0; i < gdk_display_get_n_screens(mpDisplay); i++)
{
GdkScreen* const pScreen(gdk_display_get_screen(mpDisplay, i));
gint nMonitors(pScreen ? gdk_screen_get_n_monitors(pScreen) : 0);
if (nMonitors > 1)
{
std::vector<GdkRectangle> aGeometries;
aGeometries.reserve(nMonitors);
for (gint j(0); j != nMonitors; ++j)
{
GdkRectangle aGeometry;
gdk_screen_get_monitor_geometry(pScreen, j, &aGeometry);
aGeometries.push_back(aGeometry);
}
std::sort(aGeometries.begin(), aGeometries.end(),
GdkRectangleCoincidentLess());
const std::vector<GdkRectangle>::iterator aUniqueEnd(
std::unique(aGeometries.begin(), aGeometries.end(),
GdkRectangleCoincident()));
nMonitors = std::distance(aGeometries.begin(), aUniqueEnd);
}
maScreenMonitors.emplace_back(pScreen, nMonitors);
}
}
#endif
SalX11Screen
GtkSalSystem::getXScreenFromDisplayScreen(unsigned int nScreen)
{
if (!DLSYM_GDK_IS_X11_DISPLAY(mpDisplay))
return SalX11Screen (0);
#if GTK_CHECK_VERSION(4, 0, 0)
GdkX11Screen *pScreen = gdk_x11_display_get_screen(mpDisplay);
(void)nScreen;
#else
gint nMonitor;
GdkScreen *pScreen = getScreenMonitorFromIdx (nScreen, nMonitor);
if (!pScreen)
return SalX11Screen (0);
#endif
return SalX11Screen(gdk_x11_screen_get_screen_number(pScreen));
}
#if !GTK_CHECK_VERSION(4, 0, 0)
GdkScreen *
GtkSalSystem::getScreenMonitorFromIdx (int nIdx, gint &nMonitor)
{
GdkScreen *pScreen = nullptr;
for (auto const& screenMonitor : maScreenMonitors)
{
pScreen = screenMonitor.first;
if (!pScreen)
break;
if (nIdx >= screenMonitor.second)
nIdx -= screenMonitor.second;
else
break;
}
nMonitor = nIdx;
// handle invalid monitor indexes as non-existent screens
if (nMonitor < 0 || (pScreen && nMonitor >= gdk_screen_get_n_monitors (pScreen)))
pScreen = nullptr;
return pScreen;
}
int
GtkSalSystem::getScreenIdxFromPtr (GdkScreen *pScreen)
{
int nIdx = 0;
for (auto const& screenMonitor : maScreenMonitors)
{
if (screenMonitor.first == pScreen)
return nIdx;
nIdx += screenMonitor.second;
}
g_warning ("failed to find screen %p", pScreen);
return 0;
}
int GtkSalSystem::getScreenMonitorIdx (GdkScreen *pScreen,
int nX, int nY)
{
// TODO: this will fail horribly for exotic combinations like two
// monitors in mirror mode and one extra. Hopefully such
// abominations are not used (or, even better, not possible) in
// practice .-)
return getScreenIdxFromPtr (pScreen) +
gdk_screen_get_monitor_at_point (pScreen, nX, nY);
}
#endif
unsigned int GtkSalSystem::GetDisplayScreenCount()
{
#if GTK_CHECK_VERSION(4, 0, 0)
return g_list_model_get_n_items(gdk_display_get_monitors(mpDisplay));
#else
gint nMonitor;
(void)getScreenMonitorFromIdx (G_MAXINT, nMonitor);
return G_MAXINT - nMonitor;
#endif
}
unsigned int GtkSalSystem::GetDisplayBuiltInScreen()
{
#if GTK_CHECK_VERSION(4, 0, 0)
#if defined(GDK_WINDOWING_X11)
if (DLSYM_GDK_IS_X11_DISPLAY(mpDisplay))
{
GdkMonitor* pPrimary = gdk_x11_display_get_primary_monitor(mpDisplay);
GListModel* pList = gdk_display_get_monitors(mpDisplay);
int nIndex = 0;
while (gpointer pElem = g_list_model_get_item(pList, nIndex))
{
if (pElem == pPrimary)
return nIndex;
++nIndex;
}
}
#endif
// nothing for wayland ?, hope for the best that its at index 0
return 0;
#else // !GTK_CHECK_VERSION(4, 0, 0)
GdkScreen *pDefault = gdk_display_get_default_screen (mpDisplay);
int idx = getScreenIdxFromPtr (pDefault);
return idx + gdk_screen_get_primary_monitor(pDefault);
#endif
}
AbsoluteScreenPixelRectangle GtkSalSystem::GetDisplayScreenPosSizePixel(unsigned int nScreen)
{
GdkRectangle aRect;
#if GTK_CHECK_VERSION(4, 0, 0)
GListModel* pList = gdk_display_get_monitors(mpDisplay);
GdkMonitor* pMonitor = static_cast<GdkMonitor*>(g_list_model_get_item(pList, nScreen));
if (!pMonitor)
return AbsoluteScreenPixelRectangle();
gdk_monitor_get_geometry(pMonitor, &aRect);
#else
gint nMonitor;
GdkScreen *pScreen;
pScreen = getScreenMonitorFromIdx (nScreen, nMonitor);
if (!pScreen)
return AbsoluteScreenPixelRectangle();
gdk_screen_get_monitor_geometry (pScreen, nMonitor, &aRect);
#endif
return AbsoluteScreenPixelRectangle(AbsoluteScreenPixelPoint(aRect.x, aRect.y), AbsoluteScreenPixelSize(aRect.width, aRect.height));
}
// convert ~ to indicate mnemonic to '_'
static OString MapToGtkAccelerator(const OUString &rStr)
{
return OUStringToOString(rStr.replaceFirst("~", "_"), RTL_TEXTENCODING_UTF8);
}
#if GTK_CHECK_VERSION(4, 0, 0)
namespace
{
struct DialogLoop
{
GMainLoop* pLoop = nullptr;
gint nResponseId = GTK_RESPONSE_NONE;
gulong nSignalResponseId = 0;
gulong nSignalCloseRequestId= 0;
static gboolean DialogClose(GtkWindow* pDialog, gpointer /*data*/)
{
gtk_dialog_response(GTK_DIALOG(pDialog), GTK_RESPONSE_CANCEL);
return true;
}
static void DialogResponse(GtkDialog* pDialog, gint nResponseId, gpointer data)
{
DialogLoop* pDialogLoop = static_cast<DialogLoop*>(data);
g_signal_handler_disconnect(pDialog, pDialogLoop->nSignalResponseId);
g_signal_handler_disconnect(pDialog, pDialogLoop->nSignalCloseRequestId);
pDialogLoop->nResponseId = nResponseId;
g_main_loop_quit(pDialogLoop->pLoop);
}
int run(GtkDialog *pDialog)
{
nSignalResponseId = g_signal_connect(pDialog, "response", G_CALLBACK(DialogResponse), this);
nSignalCloseRequestId = g_signal_connect(pDialog, "close-request", G_CALLBACK(DialogClose), this);
gtk_window_present(GTK_WINDOW(pDialog));
pLoop = g_main_loop_new(nullptr, false);
main_loop_run(pLoop);
g_main_loop_unref(pLoop);
return nResponseId;
}
};
}
gint gtk_dialog_run(GtkDialog* pDialog)
{
DialogLoop aDialogLoop;
return aDialogLoop.run(pDialog);
}
#endif
int GtkSalSystem::ShowNativeDialog (const OUString& rTitle, const OUString& rMessage,
const std::vector< OUString >& rButtonNames)
{
OString aTitle (OUStringToOString (rTitle, RTL_TEXTENCODING_UTF8));
OString aMessage (OUStringToOString (rMessage, RTL_TEXTENCODING_UTF8));
GtkDialog *pDialog = GTK_DIALOG (
g_object_new (GTK_TYPE_MESSAGE_DIALOG,
"title", aTitle.getStr(),
"message-type", int(GTK_MESSAGE_WARNING),
"text", aMessage.getStr(),
nullptr));
int nButton = 0;
for (auto const& buttonName : rButtonNames)
gtk_dialog_add_button (pDialog, MapToGtkAccelerator(buttonName).getStr(), nButton++);
gtk_dialog_set_default_response (pDialog, 0/*nDefaultButton*/);
nButton = gtk_dialog_run (pDialog);
if (nButton < 0)
nButton = -1;
#if !GTK_CHECK_VERSION(4, 0, 0)
gtk_widget_destroy(GTK_WIDGET(pDialog));
#else
gtk_window_destroy(GTK_WINDOW(pDialog));
#endif
return nButton;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */