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Diffstat (limited to '')
| -rw-r--r-- | vcl/unx/gtk3/gtksalmenu.cxx | 1646 |
1 files changed, 1646 insertions, 0 deletions
diff --git a/vcl/unx/gtk3/gtksalmenu.cxx b/vcl/unx/gtk3/gtksalmenu.cxx new file mode 100644 index 0000000000..a510473650 --- /dev/null +++ b/vcl/unx/gtk3/gtksalmenu.cxx @@ -0,0 +1,1646 @@ +/* -*- 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/. + */ + +#include <unx/gtk/gtksalmenu.hxx> + +#include <unx/gtk/gtkdata.hxx> +#include <unx/gtk/glomenu.h> +#include <unx/gtk/gloactiongroup.h> +#include <vcl/toolkit/floatwin.hxx> +#include <vcl/menu.hxx> +#include <vcl/filter/PngImageWriter.hxx> +#include <vcl/pdfwriter.hxx> // for escapeStringXML + +#include <o3tl/string_view.hxx> +#include <sal/log.hxx> +#include <tools/stream.hxx> +#include <window.h> +#include <strings.hrc> + +static bool bUnityMode = false; + +/* + * This function generates a unique command name for each menu item + */ +static gchar* GetCommandForItem(GtkSalMenu* pParentMenu, sal_uInt16 nItemId) +{ + OString aCommand = "window-" + + OString::number(reinterpret_cast<sal_uIntPtr>(pParentMenu)) + + "-" + OString::number(nItemId); + return g_strdup(aCommand.getStr()); +} + +static gchar* GetCommandForItem(GtkSalMenuItem* pSalMenuItem) +{ + return GetCommandForItem(pSalMenuItem->mpParentMenu, + pSalMenuItem->mnId); +} + +bool GtkSalMenu::PrepUpdate() const +{ + return mpMenuModel && mpActionGroup; +} + +/* + * Menu updating methods + */ + +static void RemoveSpareItemsFromNativeMenu( GLOMenu* pMenu, GList** pOldCommandList, unsigned nSection, unsigned nValidItems ) +{ + sal_Int32 nSectionItems = g_lo_menu_get_n_items_from_section( pMenu, nSection ); + + while ( nSectionItems > static_cast<sal_Int32>(nValidItems) ) + { + gchar* aCommand = g_lo_menu_get_command_from_item_in_section( pMenu, nSection, --nSectionItems ); + + if ( aCommand != nullptr && pOldCommandList != nullptr ) + *pOldCommandList = g_list_append( *pOldCommandList, g_strdup( aCommand ) ); + + g_free( aCommand ); + + g_lo_menu_remove_from_section( pMenu, nSection, nSectionItems ); + } +} + +typedef std::pair<GtkSalMenu*, sal_uInt16> MenuAndId; + +namespace +{ + MenuAndId decode_command(const gchar *action_name) + { + std::string_view sCommand(action_name); + + sal_Int32 nIndex = 0; + std::string_view sWindow = o3tl::getToken(sCommand, 0, '-', nIndex); + std::string_view sGtkSalMenu = o3tl::getToken(sCommand, 0, '-', nIndex); + std::string_view sItemId = o3tl::getToken(sCommand, 0, '-', nIndex); + + GtkSalMenu* pSalSubMenu = reinterpret_cast<GtkSalMenu*>(o3tl::toInt64(sGtkSalMenu)); + + assert(sWindow == "window" && pSalSubMenu); + (void) sWindow; + + return MenuAndId(pSalSubMenu, o3tl::toInt32(sItemId)); + } +} + +static void RemoveDisabledItemsFromNativeMenu(GLOMenu* pMenu, GList** pOldCommandList, + sal_Int32 nSection, GActionGroup* pActionGroup) +{ + while (nSection >= 0) + { + sal_Int32 nSectionItems = g_lo_menu_get_n_items_from_section( pMenu, nSection ); + while (nSectionItems--) + { + gchar* pCommand = g_lo_menu_get_command_from_item_in_section(pMenu, nSection, nSectionItems); + // remove disabled entries + bool bRemove = !g_action_group_get_action_enabled(pActionGroup, pCommand); + if (!bRemove) + { + //also remove any empty submenus + GLOMenu* pSubMenuModel = g_lo_menu_get_submenu_from_item_in_section(pMenu, nSection, nSectionItems); + if (pSubMenuModel) + { + gint nSubMenuSections = g_menu_model_get_n_items(G_MENU_MODEL(pSubMenuModel)); + if (nSubMenuSections == 0) + bRemove = true; + else if (nSubMenuSections == 1) + { + gint nItems = g_lo_menu_get_n_items_from_section(pSubMenuModel, 0); + if (nItems == 0) + bRemove = true; + else if (nItems == 1) + { + //If the only entry is the "No Selection Possible" entry, then we are allowed + //to removed it + gchar* pSubCommand = g_lo_menu_get_command_from_item_in_section(pSubMenuModel, 0, 0); + MenuAndId aMenuAndId(decode_command(pSubCommand)); + bRemove = aMenuAndId.second == 0xFFFF; + g_free(pSubCommand); + } + } + } + } + + if (bRemove) + { + //but tdf#86850 Always display clipboard functions + bRemove = g_strcmp0(pCommand, ".uno:Cut") && + g_strcmp0(pCommand, ".uno:Copy") && + g_strcmp0(pCommand, ".uno:Paste"); + } + + if (bRemove) + { + if (pCommand != nullptr && pOldCommandList != nullptr) + *pOldCommandList = g_list_append(*pOldCommandList, g_strdup(pCommand)); + g_lo_menu_remove_from_section(pMenu, nSection, nSectionItems); + } + + g_free(pCommand); + } + --nSection; + } +} + +static void RemoveSpareSectionsFromNativeMenu( GLOMenu* pMenu, GList** pOldCommandList, sal_Int32 nLastSection ) +{ + if ( pMenu == nullptr || pOldCommandList == nullptr ) + return; + + sal_Int32 n = g_menu_model_get_n_items( G_MENU_MODEL( pMenu ) ) - 1; + + for ( ; n > nLastSection; n--) + { + RemoveSpareItemsFromNativeMenu( pMenu, pOldCommandList, n, 0 ); + g_lo_menu_remove( pMenu, n ); + } +} + +static gint CompareStr( gpointer str1, gpointer str2 ) +{ + return g_strcmp0( static_cast<const gchar*>(str1), static_cast<const gchar*>(str2) ); +} + +static void RemoveUnusedCommands( GLOActionGroup* pActionGroup, GList* pOldCommandList, GList* pNewCommandList ) +{ + if ( pActionGroup == nullptr || pOldCommandList == nullptr ) + { + g_list_free_full( pOldCommandList, g_free ); + g_list_free_full( pNewCommandList, g_free ); + return; + } + + while ( pNewCommandList != nullptr ) + { + GList* pNewCommand = g_list_first( pNewCommandList ); + pNewCommandList = g_list_remove_link( pNewCommandList, pNewCommand ); + + gpointer aCommand = g_list_nth_data( pNewCommand, 0 ); + + GList* pOldCommand = g_list_find_custom( pOldCommandList, aCommand, reinterpret_cast<GCompareFunc>(CompareStr) ); + + if ( pOldCommand != nullptr ) + { + pOldCommandList = g_list_remove_link( pOldCommandList, pOldCommand ); + g_list_free_full( pOldCommand, g_free ); + } + + g_list_free_full( pNewCommand, g_free ); + } + + while ( pOldCommandList != nullptr ) + { + GList* pCommand = g_list_first( pOldCommandList ); + pOldCommandList = g_list_remove_link( pOldCommandList, pCommand ); + + gchar* aCommand = static_cast<gchar*>(g_list_nth_data( pCommand, 0 )); + + g_lo_action_group_remove( pActionGroup, aCommand ); + + g_list_free_full( pCommand, g_free ); + } +} + +void GtkSalMenu::ImplUpdate(bool bRecurse, bool bRemoveDisabledEntries) +{ + SolarMutexGuard aGuard; + + SAL_INFO("vcl.unity", "ImplUpdate pre PrepUpdate"); + if( !PrepUpdate() ) + return; + + if (mbNeedsUpdate) + { + mbNeedsUpdate = false; + if (mbMenuBar && maUpdateMenuBarIdle.IsActive()) + { + maUpdateMenuBarIdle.Stop(); + // tdf#124391 Prevent doubled menus in global menu + if (!bUnityMode) + { + maUpdateMenuBarIdle.Invoke(); + return; + } + } + } + + Menu* pVCLMenu = mpVCLMenu; + GLOMenu* pLOMenu = G_LO_MENU( mpMenuModel ); + GLOActionGroup* pActionGroup = G_LO_ACTION_GROUP( mpActionGroup ); + SAL_INFO("vcl.unity", "Syncing vcl menu " << pVCLMenu << " to menu model " << pLOMenu << " and action group " << pActionGroup); + GList *pOldCommandList = nullptr; + GList *pNewCommandList = nullptr; + + sal_uInt16 nLOMenuSize = g_menu_model_get_n_items( G_MENU_MODEL( pLOMenu ) ); + + if ( nLOMenuSize == 0 ) + g_lo_menu_new_section( pLOMenu, 0, nullptr ); + + sal_Int32 nSection = 0; + sal_Int32 nItemPos = 0; + sal_Int32 validItems = 0; + sal_Int32 nItem; + + for ( nItem = 0; nItem < static_cast<sal_Int32>(GetItemCount()); nItem++ ) { + if ( !IsItemVisible( nItem ) ) + continue; + + GtkSalMenuItem *pSalMenuItem = GetItemAtPos( nItem ); + sal_uInt16 nId = pSalMenuItem->mnId; + + // PopupMenu::ImplExecute might add <No Selection Possible> entry to top-level + // popup menu, but we have our own implementation below, so skip that one. + if ( nId == 0xFFFF ) + continue; + + if ( pSalMenuItem->mnType == MenuItemType::SEPARATOR ) + { + // Delete extra items from current section. + RemoveSpareItemsFromNativeMenu( pLOMenu, &pOldCommandList, nSection, validItems ); + + nSection++; + nItemPos = 0; + validItems = 0; + + if ( nLOMenuSize <= nSection ) + { + g_lo_menu_new_section( pLOMenu, nSection, nullptr ); + nLOMenuSize++; + } + + continue; + } + + if ( nItemPos >= g_lo_menu_get_n_items_from_section( pLOMenu, nSection ) ) + g_lo_menu_insert_in_section( pLOMenu, nSection, nItemPos, "EMPTY STRING" ); + + // Get internal menu item values. + OUString aText = pVCLMenu->GetItemText( nId ); + Image aImage = pVCLMenu->GetItemImage( nId ); + bool bEnabled = pVCLMenu->IsItemEnabled( nId ); + vcl::KeyCode nAccelKey = pVCLMenu->GetAccelKey( nId ); + bool bChecked = pVCLMenu->IsItemChecked( nId ); + MenuItemBits itemBits = pVCLMenu->GetItemBits( nId ); + + // Store current item command in command list. + gchar *aCurrentCommand = g_lo_menu_get_command_from_item_in_section( pLOMenu, nSection, nItemPos ); + + if ( aCurrentCommand != nullptr ) + pOldCommandList = g_list_append( pOldCommandList, aCurrentCommand ); + + // Get the new command for the item. + gchar* aNativeCommand = GetCommandForItem(pSalMenuItem); + + // Force updating of native menu labels. + NativeSetItemText( nSection, nItemPos, aText ); + NativeSetItemIcon( nSection, nItemPos, aImage ); + NativeSetAccelerator(nSection, nItemPos, nAccelKey, nAccelKey.GetName()); + + if ( g_strcmp0( aNativeCommand, "" ) != 0 && pSalMenuItem->mpSubMenu == nullptr ) + { + NativeSetItemCommand( nSection, nItemPos, nId, aNativeCommand, itemBits, bChecked, false ); + NativeCheckItem( nSection, nItemPos, itemBits, bChecked ); + NativeSetEnableItem( aNativeCommand, bEnabled ); + + pNewCommandList = g_list_append( pNewCommandList, g_strdup( aNativeCommand ) ); + } + + GtkSalMenu* pSubmenu = pSalMenuItem->mpSubMenu; + + if ( pSubmenu && pSubmenu->GetMenu() ) + { + bool bNonMenuChangedToMenu = NativeSetItemCommand( nSection, nItemPos, nId, aNativeCommand, itemBits, false, true ); + pNewCommandList = g_list_append( pNewCommandList, g_strdup( aNativeCommand ) ); + + GLOMenu* pSubMenuModel = g_lo_menu_get_submenu_from_item_in_section( pLOMenu, nSection, nItemPos ); + + if ( pSubMenuModel == nullptr ) + { + g_lo_menu_new_submenu_in_item_in_section( pLOMenu, nSection, nItemPos ); + pSubMenuModel = g_lo_menu_get_submenu_from_item_in_section( pLOMenu, nSection, nItemPos ); + } + + assert(pSubMenuModel); + + if (bRecurse || bNonMenuChangedToMenu) + { + SAL_INFO("vcl.unity", "preparing submenu " << pSubMenuModel << " to menu model " << G_MENU_MODEL(pSubMenuModel) << " and action group " << G_ACTION_GROUP(pActionGroup)); + pSubmenu->SetMenuModel( G_MENU_MODEL( pSubMenuModel ) ); + pSubmenu->SetActionGroup( G_ACTION_GROUP( pActionGroup ) ); + pSubmenu->ImplUpdate(true, bRemoveDisabledEntries); + } + + g_object_unref( pSubMenuModel ); + } + + g_free( aNativeCommand ); + + ++nItemPos; + ++validItems; + } + + if (bRemoveDisabledEntries) + { + // Delete disabled items in last section. + RemoveDisabledItemsFromNativeMenu(pLOMenu, &pOldCommandList, nSection, G_ACTION_GROUP(pActionGroup)); + } + + // Delete extra items in last section. + RemoveSpareItemsFromNativeMenu( pLOMenu, &pOldCommandList, nSection, validItems ); + + // Delete extra sections. + RemoveSpareSectionsFromNativeMenu( pLOMenu, &pOldCommandList, nSection ); + + // Delete unused commands. + RemoveUnusedCommands( pActionGroup, pOldCommandList, pNewCommandList ); + + // Resolves: tdf#103166 if the menu is empty, add a disabled + // <No Selection Possible> placeholder. + sal_Int32 nSectionsCount = g_menu_model_get_n_items(G_MENU_MODEL(pLOMenu)); + gint nItemsCount = 0; + for (nSection = 0; nSection < nSectionsCount; ++nSection) + { + nItemsCount += g_lo_menu_get_n_items_from_section(pLOMenu, nSection); + if (nItemsCount) + break; + } + if (!nItemsCount) + { + gchar* aNativeCommand = GetCommandForItem(this, 0xFFFF); + OUString aPlaceholderText(VclResId(SV_RESID_STRING_NOSELECTIONPOSSIBLE)); + g_lo_menu_insert_in_section(pLOMenu, nSection-1, 0, + OUStringToOString(aPlaceholderText, RTL_TEXTENCODING_UTF8).getStr()); + NativeSetItemCommand(nSection-1, 0, 0xFFFF, aNativeCommand, MenuItemBits::NONE, false, false); + NativeSetEnableItem(aNativeCommand, false); + g_free(aNativeCommand); + } +} + +void GtkSalMenu::Update() +{ + //find out if top level is a menubar or not, if not, then it's a popup menu + //hierarchy and in those we hide (most) disabled entries + const GtkSalMenu* pMenu = this; + while (pMenu->mpParentSalMenu) + pMenu = pMenu->mpParentSalMenu; + + bool bAlwaysShowDisabledEntries; + if (pMenu->mbMenuBar) + bAlwaysShowDisabledEntries = !bool(mpVCLMenu->GetMenuFlags() & MenuFlags::HideDisabledEntries); + else + bAlwaysShowDisabledEntries = bool(mpVCLMenu->GetMenuFlags() & MenuFlags::AlwaysShowDisabledEntries); + + ImplUpdate(false, !bAlwaysShowDisabledEntries); +} + +#if !GTK_CHECK_VERSION(4, 0, 0) +static void MenuPositionFunc(GtkMenu* menu, gint* x, gint* y, gboolean* push_in, gpointer user_data) +{ + Point *pPos = static_cast<Point*>(user_data); + *x = pPos->X(); + if (gtk_widget_get_default_direction() == GTK_TEXT_DIR_RTL) + { + GtkRequisition natural_size; + gtk_widget_get_preferred_size(GTK_WIDGET(menu), nullptr, &natural_size); + *x -= natural_size.width; + } + *y = pPos->Y(); + *push_in = false; +} +#endif + +static void MenuClosed(GtkPopover* pWidget, GMainLoop* pLoop) +{ + // gtk4 4.4.0: click on an entry in a submenu of a menu crashes without this workaround + gtk_widget_grab_focus(gtk_widget_get_parent(GTK_WIDGET(pWidget))); + g_main_loop_quit(pLoop); +} + +bool GtkSalMenu::ShowNativePopupMenu(FloatingWindow* pWin, const tools::Rectangle& rRect, + FloatWinPopupFlags nFlags) +{ + VclPtr<vcl::Window> xParent = pWin->ImplGetWindowImpl()->mpRealParent; + mpFrame = static_cast<GtkSalFrame*>(xParent->ImplGetFrame()); + + GLOActionGroup* pActionGroup = g_lo_action_group_new(); + mpActionGroup = G_ACTION_GROUP(pActionGroup); + mpMenuModel = G_MENU_MODEL(g_lo_menu_new()); + // Generate the main menu structure, populates mpMenuModel + UpdateFull(); + +#if !GTK_CHECK_VERSION(4, 0, 0) + mpMenuWidget = gtk_menu_new_from_model(mpMenuModel); + gtk_menu_attach_to_widget(GTK_MENU(mpMenuWidget), mpFrame->getMouseEventWidget(), nullptr); +#else + mpMenuWidget = gtk_popover_menu_new_from_model(mpMenuModel); + gtk_widget_set_parent(mpMenuWidget, mpFrame->getMouseEventWidget()); + gtk_popover_set_has_arrow(GTK_POPOVER(mpMenuWidget), false); +#endif + gtk_widget_insert_action_group(mpFrame->getMouseEventWidget(), "win", mpActionGroup); + + //run in a sub main loop because we need to keep vcl PopupMenu alive to use + //it during DispatchCommand, returning now to the outer loop causes the + //launching PopupMenu to be destroyed, instead run the subloop here + //until the gtk menu is destroyed + GMainLoop* pLoop = g_main_loop_new(nullptr, true); +#if GTK_CHECK_VERSION(4, 0, 0) + g_signal_connect(G_OBJECT(mpMenuWidget), "closed", G_CALLBACK(MenuClosed), pLoop); +#else + g_signal_connect(G_OBJECT(mpMenuWidget), "deactivate", G_CALLBACK(MenuClosed), pLoop); +#endif + + + // tdf#120764 It isn't allowed under wayland to have two visible popups that share + // the same top level parent. The problem is that since gtk 3.24 tooltips are also + // implemented as popups, which means that we cannot show any popup if there is a + // visible tooltip. + // hide any current tooltip + mpFrame->HideTooltip(); + // don't allow any more to appear until menu is dismissed + mpFrame->BlockTooltip(); + +#if GTK_CHECK_VERSION(4, 0, 0) + AbsoluteScreenPixelRectangle aFloatRect = FloatingWindow::ImplConvertToAbsPos(xParent, rRect); + aFloatRect.Move(-mpFrame->maGeometry.x(), -mpFrame->maGeometry.y()); + GdkRectangle rect {static_cast<int>(aFloatRect.Left()), static_cast<int>(aFloatRect.Top()), + static_cast<int>(aFloatRect.GetWidth()), static_cast<int>(aFloatRect.GetHeight())}; + + gtk_popover_set_pointing_to(GTK_POPOVER(mpMenuWidget), &rect); + + if (nFlags & FloatWinPopupFlags::Left) + gtk_popover_set_position(GTK_POPOVER(mpMenuWidget), GTK_POS_LEFT); + else if (nFlags & FloatWinPopupFlags::Up) + gtk_popover_set_position(GTK_POPOVER(mpMenuWidget), GTK_POS_TOP); + else if (nFlags & FloatWinPopupFlags::Right) + gtk_popover_set_position(GTK_POPOVER(mpMenuWidget), GTK_POS_RIGHT); + else + gtk_popover_set_position(GTK_POPOVER(mpMenuWidget), GTK_POS_BOTTOM); + + gtk_popover_popup(GTK_POPOVER(mpMenuWidget)); +#else +#if GTK_CHECK_VERSION(3,22,0) + if (gtk_check_version(3, 22, 0) == nullptr) + { + AbsoluteScreenPixelRectangle aFloatRect = FloatingWindow::ImplConvertToAbsPos(xParent, rRect); + aFloatRect.Move(-mpFrame->maGeometry.x(), -mpFrame->maGeometry.y()); + GdkRectangle rect {static_cast<int>(aFloatRect.Left()), static_cast<int>(aFloatRect.Top()), + static_cast<int>(aFloatRect.GetWidth()), static_cast<int>(aFloatRect.GetHeight())}; + + GdkGravity rect_anchor = GDK_GRAVITY_SOUTH_WEST, menu_anchor = GDK_GRAVITY_NORTH_WEST; + + if (nFlags & FloatWinPopupFlags::Left) + { + rect_anchor = GDK_GRAVITY_NORTH_WEST; + menu_anchor = GDK_GRAVITY_NORTH_EAST; + } + else if (nFlags & FloatWinPopupFlags::Up) + { + rect_anchor = GDK_GRAVITY_NORTH_WEST; + menu_anchor = GDK_GRAVITY_SOUTH_WEST; + } + else if (nFlags & FloatWinPopupFlags::Right) + { + rect_anchor = GDK_GRAVITY_NORTH_EAST; + } + + GdkSurface* gdkWindow = widget_get_surface(mpFrame->getMouseEventWidget()); + gtk_menu_popup_at_rect(GTK_MENU(mpMenuWidget), gdkWindow, &rect, rect_anchor, menu_anchor, nullptr); + } + else +#endif + { + guint nButton; + guint32 nTime; + + //typically there is an event, and we can then distinguish if this was + //launched from the keyboard (gets auto-mnemoniced) or the mouse (which + //doesn't) + GdkEvent *pEvent = gtk_get_current_event(); + if (pEvent) + { + gdk_event_get_button(pEvent, &nButton); + nTime = gdk_event_get_time(pEvent); + } + else + { + nButton = 0; + nTime = GtkSalFrame::GetLastInputEventTime(); + } + + // Do the same strange semantics as vcl popup windows to arrive at a frame geometry + // in mirrored UI case; best done by actually executing the same code. + // (see code in FloatingWindow::StartPopupMode) + sal_uInt16 nArrangeIndex; + Point aPos = FloatingWindow::ImplCalcPos(pWin, rRect, nFlags, nArrangeIndex); + AbsoluteScreenPixelPoint aPosAbs = FloatingWindow::ImplConvertToAbsPos(xParent, aPos); + + gtk_menu_popup(GTK_MENU(mpMenuWidget), nullptr, nullptr, MenuPositionFunc, + &aPosAbs, nButton, nTime); + } +#endif + + if (g_main_loop_is_running(pLoop)) + main_loop_run(pLoop); + + g_main_loop_unref(pLoop); + + mpVCLMenu->Deactivate(); + + g_object_unref(mpActionGroup); + ClearActionGroupAndMenuModel(); + +#if !GTK_CHECK_VERSION(4, 0, 0) + gtk_widget_destroy(mpMenuWidget); +#else + gtk_widget_unparent(mpMenuWidget); +#endif + mpMenuWidget = nullptr; + + gtk_widget_insert_action_group(mpFrame->getMouseEventWidget(), "win", nullptr); + + // undo tooltip blocking + mpFrame->UnblockTooltip(); + + mpFrame = nullptr; + + return true; +} + +/* + * GtkSalMenu + */ + +GtkSalMenu::GtkSalMenu( bool bMenuBar ) : + maUpdateMenuBarIdle("Native Gtk Menu Update Idle"), + mbInActivateCallback( false ), + mbMenuBar( bMenuBar ), + mbNeedsUpdate( false ), + mbReturnFocusToDocument( false ), + mbAddedGrab( false ), + mpMenuBarContainerWidget( nullptr ), + mpMenuAllowShrinkWidget( nullptr ), + mpMenuBarWidget( nullptr ), + mpMenuWidget( nullptr ), + mpMenuBarContainerProvider( nullptr ), + mpMenuBarProvider( nullptr ), + mpCloseButton( nullptr ), + mpVCLMenu( nullptr ), + mpParentSalMenu( nullptr ), + mpFrame( nullptr ), + mpMenuModel( nullptr ), + mpActionGroup( nullptr ) +{ + //typically this only gets called after the menu has been customized on the + //next idle slot, in the normal case of a new menubar SetFrame is called + //directly long before this idle would get called. + maUpdateMenuBarIdle.SetPriority(TaskPriority::HIGHEST); + maUpdateMenuBarIdle.SetInvokeHandler(LINK(this, GtkSalMenu, MenuBarHierarchyChangeHandler)); +} + +IMPL_LINK_NOARG(GtkSalMenu, MenuBarHierarchyChangeHandler, Timer *, void) +{ + SAL_WARN_IF(!mpFrame, "vcl.gtk", "MenuBar layout changed, but no frame for some reason!"); + if (!mpFrame) + return; + SetFrame(mpFrame); +} + +void GtkSalMenu::SetNeedsUpdate() +{ + GtkSalMenu* pMenu = this; + // start that the menu and its parents are in need of an update + // on the next activation + while (pMenu && !pMenu->mbNeedsUpdate) + { + pMenu->mbNeedsUpdate = true; + pMenu = pMenu->mpParentSalMenu; + } + // only if a menubar is directly updated do we force in a full + // structure update + if (mbMenuBar && !maUpdateMenuBarIdle.IsActive()) + maUpdateMenuBarIdle.Start(); +} + +void GtkSalMenu::SetMenuModel(GMenuModel* pMenuModel) +{ + if (mpMenuModel) + g_object_unref(mpMenuModel); + mpMenuModel = pMenuModel; + if (mpMenuModel) + g_object_ref(mpMenuModel); +} + +GtkSalMenu::~GtkSalMenu() +{ + SolarMutexGuard aGuard; + + // tdf#140225 we expect all items to be removed by Menu::dispose + // before this dtor is called + assert(maItems.empty()); + + DestroyMenuBarWidget(); + + if (mpMenuModel) + g_object_unref(mpMenuModel); + + if (mpFrame) + mpFrame->SetMenu(nullptr); +} + +bool GtkSalMenu::VisibleMenuBar() +{ + return mbMenuBar && (bUnityMode || mpMenuBarContainerWidget); +} + +void GtkSalMenu::InsertItem( SalMenuItem* pSalMenuItem, unsigned nPos ) +{ + SolarMutexGuard aGuard; + GtkSalMenuItem *pItem = static_cast<GtkSalMenuItem*>( pSalMenuItem ); + + if ( nPos == MENU_APPEND ) + maItems.push_back( pItem ); + else + maItems.insert( maItems.begin() + nPos, pItem ); + + pItem->mpParentMenu = this; + + SetNeedsUpdate(); +} + +void GtkSalMenu::RemoveItem( unsigned nPos ) +{ + SolarMutexGuard aGuard; + + // tdf#140225 clear associated action when the item is removed + if (mpActionGroup) + { + GLOActionGroup* pActionGroup = G_LO_ACTION_GROUP(mpActionGroup); + gchar* pCommand = GetCommandForItem(maItems[nPos]); + g_lo_action_group_remove(pActionGroup, pCommand); + g_free(pCommand); + } + + maItems.erase( maItems.begin() + nPos ); + SetNeedsUpdate(); +} + +void GtkSalMenu::SetSubMenu( SalMenuItem* pSalMenuItem, SalMenu* pSubMenu, unsigned ) +{ + SolarMutexGuard aGuard; + GtkSalMenuItem *pItem = static_cast< GtkSalMenuItem* >( pSalMenuItem ); + GtkSalMenu *pGtkSubMenu = static_cast< GtkSalMenu* >( pSubMenu ); + + if ( pGtkSubMenu == nullptr ) + return; + + pGtkSubMenu->mpParentSalMenu = this; + pItem->mpSubMenu = pGtkSubMenu; + + SetNeedsUpdate(); +} + +static void CloseMenuBar(GtkWidget *, gpointer pMenu) +{ + Application::PostUserEvent(static_cast<MenuBar*>(pMenu)->GetCloseButtonClickHdl()); +} + +GtkWidget* GtkSalMenu::AddButton(GtkWidget *pImage) +{ + GtkWidget* pButton = gtk_button_new(); + +#if !GTK_CHECK_VERSION(4, 0, 0) + gtk_button_set_relief(GTK_BUTTON(pButton), GTK_RELIEF_NONE); + gtk_button_set_focus_on_click(GTK_BUTTON(pButton), false); +#else + gtk_button_set_has_frame(GTK_BUTTON(pButton), false); + gtk_widget_set_focus_on_click(pButton, false); +#endif + + gtk_widget_set_can_focus(pButton, false); + + GtkStyleContext *pButtonContext = gtk_widget_get_style_context(GTK_WIDGET(pButton)); + + gtk_style_context_add_class(pButtonContext, "flat"); + gtk_style_context_add_class(pButtonContext, "small-button"); + + gtk_widget_show(pImage); + + gtk_widget_set_valign(pButton, GTK_ALIGN_CENTER); + +#if !GTK_CHECK_VERSION(4, 0, 0) + gtk_container_add(GTK_CONTAINER(pButton), pImage); + gtk_widget_show_all(pButton); +#else + gtk_button_set_child(GTK_BUTTON(pButton), pImage); +#endif + return pButton; +} + +void GtkSalMenu::ShowCloseButton(bool bShow) +{ + assert(mbMenuBar); + if (!mpMenuBarContainerWidget) + return; + + if (!bShow) + { + if (mpCloseButton) + { +#if !GTK_CHECK_VERSION(4, 0, 0) + gtk_widget_destroy(mpCloseButton); +#else + g_clear_pointer(&mpCloseButton, gtk_widget_unparent); +#endif + mpCloseButton = nullptr; + } + return; + } + + if (mpCloseButton) + return; + + GIcon* pIcon = g_themed_icon_new_with_default_fallbacks("window-close-symbolic"); +#if !GTK_CHECK_VERSION(4, 0, 0) + GtkWidget* pImage = gtk_image_new_from_gicon(pIcon, GTK_ICON_SIZE_MENU); +#else + GtkWidget* pImage = gtk_image_new_from_gicon(pIcon); +#endif + g_object_unref(pIcon); + + mpCloseButton = AddButton(pImage); + + gtk_widget_set_margin_end(mpCloseButton, 8); + + OUString sToolTip(VclResId(SV_HELPTEXT_CLOSEDOCUMENT)); + gtk_widget_set_tooltip_text(mpCloseButton, sToolTip.toUtf8().getStr()); + + MenuBar *pVclMenuBar = static_cast<MenuBar*>(mpVCLMenu.get()); + g_signal_connect(mpCloseButton, "clicked", G_CALLBACK(CloseMenuBar), pVclMenuBar); + + gtk_grid_attach(GTK_GRID(mpMenuBarContainerWidget), mpCloseButton, 1, 0, 1, 1); +} + +namespace +{ + void DestroyMemoryStream(gpointer data) + { + SvMemoryStream* pMemStm = static_cast<SvMemoryStream*>(data); + delete pMemStm; + } +} + +static void MenuButtonClicked(GtkWidget* pWidget, gpointer pMenu) +{ + OUString aId(get_buildable_id(GTK_BUILDABLE(pWidget))); + static_cast<MenuBar*>(pMenu)->HandleMenuButtonEvent(aId.toUInt32()); +} + +bool GtkSalMenu::AddMenuBarButton(const SalMenuButtonItem& rNewItem) +{ + if (!mbMenuBar) + return false; + + if (!mpMenuBarContainerWidget) + return false; + + GtkWidget* pImage = nullptr; + if (!!rNewItem.maImage) + { + SvMemoryStream* pMemStm = new SvMemoryStream; + auto aBitmapEx = rNewItem.maImage.GetBitmapEx(); + vcl::PngImageWriter aWriter(*pMemStm); + aWriter.write(aBitmapEx); + + GBytes *pBytes = g_bytes_new_with_free_func(pMemStm->GetData(), + pMemStm->TellEnd(), + DestroyMemoryStream, + pMemStm); + + GIcon *pIcon = g_bytes_icon_new(pBytes); +#if !GTK_CHECK_VERSION(4, 0, 0) + pImage = gtk_image_new_from_gicon(pIcon, GTK_ICON_SIZE_MENU); +#else + pImage = gtk_image_new_from_gicon(pIcon); +#endif + g_object_unref(pIcon); + } + + GtkWidget* pButton = AddButton(pImage); + + maExtraButtons.emplace_back(rNewItem.mnId, pButton); + + set_buildable_id(GTK_BUILDABLE(pButton), OUString::number(rNewItem.mnId)); + + gtk_widget_set_tooltip_text(pButton, rNewItem.maToolTipText.toUtf8().getStr()); + + MenuBar *pVclMenuBar = static_cast<MenuBar*>(mpVCLMenu.get()); + g_signal_connect(pButton, "clicked", G_CALLBACK(MenuButtonClicked), pVclMenuBar); + + if (mpCloseButton) + { + gtk_grid_insert_next_to(GTK_GRID(mpMenuBarContainerWidget), mpCloseButton, GTK_POS_LEFT); + gtk_grid_attach_next_to(GTK_GRID(mpMenuBarContainerWidget), pButton, mpCloseButton, + GTK_POS_LEFT, 1, 1); + } + else + gtk_grid_attach(GTK_GRID(mpMenuBarContainerWidget), pButton, 1, 0, 1, 1); + + return true; +} + +void GtkSalMenu::RemoveMenuBarButton( sal_uInt16 nId ) +{ + const auto it = std::find_if(maExtraButtons.begin(), maExtraButtons.end(), [&nId](const auto &item) { + return item.first == nId; }); + if (it == maExtraButtons.end()) + return; + + gint nAttach(0); +#if !GTK_CHECK_VERSION(4, 0, 0) + gtk_container_child_get(GTK_CONTAINER(mpMenuBarContainerWidget), it->second, "left-attach", &nAttach, nullptr); + gtk_widget_destroy(it->second); +#else + gtk_grid_query_child(GTK_GRID(mpMenuBarContainerWidget), it->second, &nAttach, nullptr, nullptr, nullptr); + g_clear_pointer(&(it->second), gtk_widget_unparent); +#endif + gtk_grid_remove_column(GTK_GRID(mpMenuBarContainerWidget), nAttach); + maExtraButtons.erase(it); +} + +tools::Rectangle GtkSalMenu::GetMenuBarButtonRectPixel(sal_uInt16 nId, SalFrame* pReferenceFrame) +{ + if (!pReferenceFrame) + return tools::Rectangle(); + + const auto it = std::find_if(maExtraButtons.begin(), maExtraButtons.end(), [&nId](const auto &item) { + return item.first == nId; }); + if (it == maExtraButtons.end()) + return tools::Rectangle(); + + GtkWidget* pButton = it->second; + + GtkSalFrame* pFrame = static_cast<GtkSalFrame*>(pReferenceFrame); + + gtk_coord x, y; + if (!gtk_widget_translate_coordinates(pButton, GTK_WIDGET(pFrame->getMouseEventWidget()), 0, 0, &x, &y)) + return tools::Rectangle(); + + return tools::Rectangle(Point(x, y), Size(gtk_widget_get_allocated_width(pButton), + gtk_widget_get_allocated_height(pButton))); +} + +//Typically when the menubar is deactivated we want the focus to return +//to where it came from. If the menubar was activated because of F6 +//moving focus into the associated VCL menubar then on pressing ESC +//or any other normal reason for deactivation we want focus to return +//to the document, definitely not still stuck in the associated +//VCL menubar. But if F6 is pressed while the menubar is activated +//we want to pass that F6 back to the VCL menubar which will move +//focus to the next pane by itself. +void GtkSalMenu::ReturnFocus() +{ + if (mbAddedGrab) + { +#if !GTK_CHECK_VERSION(4, 0, 0) + gtk_grab_remove(mpMenuBarWidget); +#endif + mbAddedGrab = false; + } + if (!mbReturnFocusToDocument) + gtk_widget_grab_focus(mpFrame->getMouseEventWidget()); + else + mpFrame->GetWindow()->GrabFocusToDocument(); + mbReturnFocusToDocument = false; +} + +#if !GTK_CHECK_VERSION(4, 0, 0) +gboolean GtkSalMenu::SignalKey(GdkEventKey const * pEvent) +{ + if (pEvent->keyval == GDK_KEY_F6) + { + mbReturnFocusToDocument = false; + gtk_menu_shell_cancel(GTK_MENU_SHELL(mpMenuBarWidget)); + //because we return false here, the keypress will continue + //to propagate and in the case that vcl focus is in + //the vcl menubar then that will also process F6 and move + //to the next pane + } + return false; +} +#endif + +//The GtkSalMenu is owned by a Vcl Menu/MenuBar. In the menubar +//case the vcl menubar is present and "visible", but with a 0 height +//so it not apparent. Normally it acts as though it is not there when +//a Native menubar is active. If we return true here, then for keyboard +//activation and traversal with F6 through panes then the vcl menubar +//acts as though it *is* present and we translate its take focus and F6 +//traversal key events into the gtk menubar equivalents. +bool GtkSalMenu::CanGetFocus() const +{ + return mpMenuBarWidget != nullptr; +} + +bool GtkSalMenu::TakeFocus() +{ + if (!mpMenuBarWidget) + return false; + +#if !GTK_CHECK_VERSION(4, 0, 0) + //Send a keyboard event to the gtk menubar to let it know it has been + //activated via the keyboard. Doesn't do anything except cause the gtk + //menubar "keyboard_mode" member to get set to true, so typically mnemonics + //are shown which will serve as indication that the menubar has focus + //(given that we want to show it with no menus popped down) + GdkEvent *event = GtkSalFrame::makeFakeKeyPress(mpMenuBarWidget); + gtk_widget_event(mpMenuBarWidget, event); + gdk_event_free(event); + + //this pairing results in a menubar with keyboard focus with no menus + //auto-popped down + gtk_grab_add(mpMenuBarWidget); + + mbAddedGrab = true; + gtk_menu_shell_select_first(GTK_MENU_SHELL(mpMenuBarWidget), false); + gtk_menu_shell_deselect(GTK_MENU_SHELL(mpMenuBarWidget)); +#endif + mbReturnFocusToDocument = true; + return true; +} + +#if !GTK_CHECK_VERSION(4, 0, 0) +static void MenuBarReturnFocus(GtkMenuShell*, gpointer menu) +{ + GtkSalFrame::UpdateLastInputEventTime(gtk_get_current_event_time()); + GtkSalMenu* pMenu = static_cast<GtkSalMenu*>(menu); + pMenu->ReturnFocus(); +} + +static gboolean MenuBarSignalKey(GtkWidget*, GdkEventKey* pEvent, gpointer menu) +{ + GtkSalMenu* pMenu = static_cast<GtkSalMenu*>(menu); + return pMenu->SignalKey(pEvent); +} +#endif + +void GtkSalMenu::CreateMenuBarWidget() +{ + if (mpMenuBarContainerWidget) + return; + + GtkGrid* pGrid = mpFrame->getTopLevelGridWidget(); + mpMenuBarContainerWidget = gtk_grid_new(); + + gtk_widget_set_hexpand(GTK_WIDGET(mpMenuBarContainerWidget), true); + gtk_grid_insert_row(pGrid, 0); + gtk_grid_attach(pGrid, mpMenuBarContainerWidget, 0, 0, 1, 1); + +#if !GTK_CHECK_VERSION(4, 0, 0) + mpMenuAllowShrinkWidget = gtk_scrolled_window_new(nullptr, nullptr); + gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(mpMenuAllowShrinkWidget), GTK_SHADOW_NONE); + // tdf#129634 don't allow this scrolled window as a candidate to tab into + gtk_widget_set_can_focus(GTK_WIDGET(mpMenuAllowShrinkWidget), false); +#else + mpMenuAllowShrinkWidget = gtk_scrolled_window_new(); + gtk_scrolled_window_set_has_frame(GTK_SCROLLED_WINDOW(mpMenuAllowShrinkWidget), false); +#endif + // tdf#116290 external policy on scrolledwindow will not show a scrollbar, + // but still allow scrolled window to not be sized to the child content. + // So the menubar can be shrunk past its nominal smallest width. + // Unlike a hack using GtkFixed/GtkLayout the correct placement of the menubar occurs under RTL + gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(mpMenuAllowShrinkWidget), GTK_POLICY_EXTERNAL, GTK_POLICY_NEVER); + gtk_grid_attach(GTK_GRID(mpMenuBarContainerWidget), mpMenuAllowShrinkWidget, 0, 0, 1, 1); + +#if !GTK_CHECK_VERSION(4, 0, 0) + mpMenuBarWidget = gtk_menu_bar_new_from_model(mpMenuModel); +#else + mpMenuBarWidget = gtk_popover_menu_bar_new_from_model(mpMenuModel); +#endif + + gtk_widget_insert_action_group(mpMenuBarWidget, "win", mpActionGroup); + gtk_widget_set_hexpand(GTK_WIDGET(mpMenuBarWidget), true); + gtk_widget_set_hexpand(mpMenuAllowShrinkWidget, true); +#if !GTK_CHECK_VERSION(4, 0, 0) + gtk_container_add(GTK_CONTAINER(mpMenuAllowShrinkWidget), mpMenuBarWidget); +#else + gtk_scrolled_window_set_child(GTK_SCROLLED_WINDOW(mpMenuAllowShrinkWidget), mpMenuBarWidget); +#endif + +#if !GTK_CHECK_VERSION(4, 0, 0) + g_signal_connect(G_OBJECT(mpMenuBarWidget), "deactivate", G_CALLBACK(MenuBarReturnFocus), this); + g_signal_connect(G_OBJECT(mpMenuBarWidget), "key-press-event", G_CALLBACK(MenuBarSignalKey), this); +#endif + + gtk_widget_show(mpMenuBarWidget); + gtk_widget_show(mpMenuAllowShrinkWidget); + gtk_widget_show(mpMenuBarContainerWidget); + + ShowCloseButton( static_cast<MenuBar*>(mpVCLMenu.get())->HasCloseButton() ); + + ApplyPersona(); +} + +void GtkSalMenu::ApplyPersona() +{ + if (!mpMenuBarContainerWidget) + return; + assert(mbMenuBar); + // I'm dubious about the persona theming feature, but as it exists, lets try and support + // it, apply the image to the mpMenuBarContainerWidget + const BitmapEx& rPersonaBitmap = Application::GetSettings().GetStyleSettings().GetPersonaHeader(); + + GtkStyleContext *pMenuBarContainerContext = gtk_widget_get_style_context(GTK_WIDGET(mpMenuBarContainerWidget)); + if (mpMenuBarContainerProvider) + { + gtk_style_context_remove_provider(pMenuBarContainerContext, GTK_STYLE_PROVIDER(mpMenuBarContainerProvider)); + mpMenuBarContainerProvider = nullptr; + } + GtkStyleContext *pMenuBarContext = gtk_widget_get_style_context(GTK_WIDGET(mpMenuBarWidget)); + if (mpMenuBarProvider) + { + gtk_style_context_remove_provider(pMenuBarContext, GTK_STYLE_PROVIDER(mpMenuBarProvider)); + mpMenuBarProvider = nullptr; + } + + if (!rPersonaBitmap.IsEmpty()) + { + if (maPersonaBitmap != rPersonaBitmap) + { + mxPersonaImage.reset(new utl::TempFileNamed); + mxPersonaImage->EnableKillingFile(true); + SvStream* pStream = mxPersonaImage->GetStream(StreamMode::WRITE); + vcl::PngImageWriter aPNGWriter(*pStream); + aPNGWriter.write(rPersonaBitmap); + mxPersonaImage->CloseStream(); + } + + mpMenuBarContainerProvider = gtk_css_provider_new(); + OUString aBuffer = "* { background-image: url(\"" + mxPersonaImage->GetURL() + "\"); background-position: top right; }"; + OString aResult = OUStringToOString(aBuffer, RTL_TEXTENCODING_UTF8); + css_provider_load_from_data(mpMenuBarContainerProvider, aResult.getStr(), aResult.getLength()); + gtk_style_context_add_provider(pMenuBarContainerContext, GTK_STYLE_PROVIDER(mpMenuBarContainerProvider), + GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + + + // force the menubar to be transparent when persona is active otherwise for + // me the menubar becomes gray when its in the backdrop + mpMenuBarProvider = gtk_css_provider_new(); + static const gchar data[] = "* { " + "background-image: none;" + "background-color: transparent;" + "}"; + css_provider_load_from_data(mpMenuBarProvider, data, -1); + gtk_style_context_add_provider(pMenuBarContext, + GTK_STYLE_PROVIDER(mpMenuBarProvider), + GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + } + maPersonaBitmap = rPersonaBitmap; +} + +void GtkSalMenu::DestroyMenuBarWidget() +{ + if (!mpMenuBarContainerWidget) + return; + +#if !GTK_CHECK_VERSION(4, 0, 0) + // tdf#140225 call cancel before destroying it in case there are some + // active menus popped open + gtk_menu_shell_cancel(GTK_MENU_SHELL(mpMenuBarWidget)); + + gtk_widget_destroy(mpMenuBarContainerWidget); +#else + g_clear_pointer(&mpMenuBarContainerWidget, gtk_widget_unparent); +#endif + mpMenuBarContainerWidget = nullptr; + mpMenuBarWidget = nullptr; + mpCloseButton = nullptr; +} + +void GtkSalMenu::SetFrame(const SalFrame* pFrame) +{ + SolarMutexGuard aGuard; + assert(mbMenuBar); + SAL_INFO("vcl.unity", "GtkSalMenu set to frame"); + mpFrame = const_cast<GtkSalFrame*>(static_cast<const GtkSalFrame*>(pFrame)); + + // if we had a menu on the GtkSalMenu we have to free it as we generate a + // full menu anyway and we might need to reuse an existing model and + // actiongroup + mpFrame->SetMenu( this ); + mpFrame->EnsureAppMenuWatch(); + + // Clean menu model and action group if needed. + GtkWidget* pWidget = mpFrame->getWindow(); + GdkSurface* gdkWindow = widget_get_surface(pWidget); + + GLOMenu* pMenuModel = G_LO_MENU( g_object_get_data( G_OBJECT( gdkWindow ), "g-lo-menubar" ) ); + GLOActionGroup* pActionGroup = G_LO_ACTION_GROUP( g_object_get_data( G_OBJECT( gdkWindow ), "g-lo-action-group" ) ); + SAL_INFO("vcl.unity", "Found menu model: " << pMenuModel << " and action group: " << pActionGroup); + + if ( pMenuModel ) + { + if ( g_menu_model_get_n_items( G_MENU_MODEL( pMenuModel ) ) > 0 ) + g_lo_menu_remove( pMenuModel, 0 ); + + mpMenuModel = G_MENU_MODEL( g_lo_menu_new() ); + } + + if ( pActionGroup ) + { + g_lo_action_group_clear( pActionGroup ); + mpActionGroup = G_ACTION_GROUP( pActionGroup ); + } + + // Generate the main menu structure. + if ( PrepUpdate() ) + UpdateFull(); + + g_lo_menu_insert_section( pMenuModel, 0, nullptr, mpMenuModel ); + + if (!bUnityMode && static_cast<MenuBar*>(mpVCLMenu.get())->IsDisplayable()) + { + DestroyMenuBarWidget(); + CreateMenuBarWidget(); + } +} + +const GtkSalFrame* GtkSalMenu::GetFrame() const +{ + SolarMutexGuard aGuard; + const GtkSalMenu* pMenu = this; + while( pMenu && ! pMenu->mpFrame ) + pMenu = pMenu->mpParentSalMenu; + return pMenu ? pMenu->mpFrame : nullptr; +} + +void GtkSalMenu::NativeCheckItem( unsigned nSection, unsigned nItemPos, MenuItemBits bits, gboolean bCheck ) +{ + SolarMutexGuard aGuard; + + if ( mpActionGroup == nullptr ) + return; + + gchar* aCommand = g_lo_menu_get_command_from_item_in_section( G_LO_MENU( mpMenuModel ), nSection, nItemPos ); + + if ( aCommand != nullptr || g_strcmp0( aCommand, "" ) != 0 ) + { + GVariant *pCheckValue = nullptr; + GVariant *pCurrentState = g_action_group_get_action_state( mpActionGroup, aCommand ); + + if ( bits & MenuItemBits::RADIOCHECK ) + pCheckValue = bCheck ? g_variant_new_string( aCommand ) : g_variant_new_string( "" ); + else + { + // By default, all checked items are checkmark buttons. + if (bCheck || pCurrentState != nullptr) + pCheckValue = g_variant_new_boolean( bCheck ); + } + + if ( pCheckValue != nullptr ) + { + if ( pCurrentState == nullptr || g_variant_equal( pCurrentState, pCheckValue ) == FALSE ) + { + g_action_group_change_action_state( mpActionGroup, aCommand, pCheckValue ); + } + else + { + g_variant_unref (pCheckValue); + } + } + + if ( pCurrentState != nullptr ) + g_variant_unref( pCurrentState ); + } + + if ( aCommand ) + g_free( aCommand ); +} + +void GtkSalMenu::NativeSetEnableItem( gchar const * aCommand, gboolean bEnable ) +{ + SolarMutexGuard aGuard; + GLOActionGroup* pActionGroup = G_LO_ACTION_GROUP( mpActionGroup ); + + if ( g_action_group_get_action_enabled( G_ACTION_GROUP( pActionGroup ), aCommand ) != bEnable ) + g_lo_action_group_set_action_enabled( pActionGroup, aCommand, bEnable ); +} + +void GtkSalMenu::NativeSetItemText( unsigned nSection, unsigned nItemPos, const OUString& rText ) +{ + SolarMutexGuard aGuard; + // Escape all underscores so that they don't get interpreted as hotkeys + OUString aText = rText.replaceAll( "_", "__" ); + // Replace the LibreOffice hotkey identifier with an underscore + aText = aText.replace( '~', '_' ); + OString aConvertedText = OUStringToOString( aText, RTL_TEXTENCODING_UTF8 ); + + // Update item text only when necessary. + gchar* aLabel = g_lo_menu_get_label_from_item_in_section( G_LO_MENU( mpMenuModel ), nSection, nItemPos ); + + if ( aLabel == nullptr || g_strcmp0( aLabel, aConvertedText.getStr() ) != 0 ) + g_lo_menu_set_label_to_item_in_section( G_LO_MENU( mpMenuModel ), nSection, nItemPos, aConvertedText.getStr() ); + + if ( aLabel ) + g_free( aLabel ); +} + +void GtkSalMenu::NativeSetItemIcon( unsigned nSection, unsigned nItemPos, const Image& rImage ) +{ +#if GLIB_CHECK_VERSION(2,38,0) + if (!rImage && mbHasNullItemIcon) + return; + + SolarMutexGuard aGuard; + + if (!!rImage) + { + SvMemoryStream* pMemStm = new SvMemoryStream; + auto aBitmapEx = rImage.GetBitmapEx(); + vcl::PngImageWriter aWriter(*pMemStm); + aWriter.write(aBitmapEx); + + GBytes *pBytes = g_bytes_new_with_free_func(pMemStm->GetData(), + pMemStm->TellEnd(), + DestroyMemoryStream, + pMemStm); + + GIcon *pIcon = g_bytes_icon_new(pBytes); + + g_lo_menu_set_icon_to_item_in_section( G_LO_MENU( mpMenuModel ), nSection, nItemPos, pIcon ); + g_object_unref(pIcon); + g_bytes_unref(pBytes); + mbHasNullItemIcon = false; + } + else + { + g_lo_menu_set_icon_to_item_in_section( G_LO_MENU( mpMenuModel ), nSection, nItemPos, nullptr ); + mbHasNullItemIcon = true; + } +#else + (void)nSection; + (void)nItemPos; + (void)rImage; +#endif +} + +void GtkSalMenu::NativeSetAccelerator( unsigned nSection, unsigned nItemPos, const vcl::KeyCode& rKeyCode, std::u16string_view rKeyName ) +{ + SolarMutexGuard aGuard; + + if ( rKeyName.empty() ) + return; + + guint nKeyCode; + GdkModifierType nModifiers; + GtkSalFrame::KeyCodeToGdkKey(rKeyCode, &nKeyCode, &nModifiers); + + gchar* aAccelerator = gtk_accelerator_name( nKeyCode, nModifiers ); + + gchar* aCurrentAccel = g_lo_menu_get_accelerator_from_item_in_section( G_LO_MENU( mpMenuModel ), nSection, nItemPos ); + + if ( aCurrentAccel == nullptr && g_strcmp0( aCurrentAccel, aAccelerator ) != 0 ) + g_lo_menu_set_accelerator_to_item_in_section ( G_LO_MENU( mpMenuModel ), nSection, nItemPos, aAccelerator ); + + g_free( aAccelerator ); + g_free( aCurrentAccel ); +} + +bool GtkSalMenu::NativeSetItemCommand( unsigned nSection, + unsigned nItemPos, + sal_uInt16 nId, + const gchar* aCommand, + MenuItemBits nBits, + bool bChecked, + bool bIsSubmenu ) +{ + bool bSubMenuAddedOrRemoved = false; + + SolarMutexGuard aGuard; + GLOActionGroup* pActionGroup = G_LO_ACTION_GROUP( mpActionGroup ); + + GVariant *pTarget = nullptr; + + if (g_action_group_has_action(mpActionGroup, aCommand)) + g_lo_action_group_remove(pActionGroup, aCommand); + + if ( ( nBits & MenuItemBits::CHECKABLE ) || bIsSubmenu ) + { + // Item is a checkmark button. + GVariantType* pStateType = g_variant_type_new( reinterpret_cast<gchar const *>(G_VARIANT_TYPE_BOOLEAN) ); + GVariant* pState = g_variant_new_boolean( bChecked ); + + g_lo_action_group_insert_stateful( pActionGroup, aCommand, nId, bIsSubmenu, nullptr, pStateType, nullptr, pState ); + } + else if ( nBits & MenuItemBits::RADIOCHECK ) + { + // Item is a radio button. + GVariantType* pParameterType = g_variant_type_new( reinterpret_cast<gchar const *>(G_VARIANT_TYPE_STRING) ); + GVariantType* pStateType = g_variant_type_new( reinterpret_cast<gchar const *>(G_VARIANT_TYPE_STRING) ); + GVariant* pState = g_variant_new_string( "" ); + pTarget = g_variant_new_string( aCommand ); + + g_lo_action_group_insert_stateful( pActionGroup, aCommand, nId, FALSE, pParameterType, pStateType, nullptr, pState ); + } + else + { + // Item is not special, so insert a stateless action. + g_lo_action_group_insert( pActionGroup, aCommand, nId, FALSE ); + } + + GLOMenu* pMenu = G_LO_MENU( mpMenuModel ); + + // Menu item is not updated unless it's necessary. + gchar* aCurrentCommand = g_lo_menu_get_command_from_item_in_section( pMenu, nSection, nItemPos ); + + if ( aCurrentCommand == nullptr || g_strcmp0( aCurrentCommand, aCommand ) != 0 ) + { + bool bOldHasSubmenu = g_lo_menu_get_submenu_from_item_in_section(pMenu, nSection, nItemPos) != nullptr; + bSubMenuAddedOrRemoved = bOldHasSubmenu != bIsSubmenu; + if (bSubMenuAddedOrRemoved) + { + //tdf#98636 it's not good enough to unset the "submenu-action" attribute to change something + //from a submenu to a non-submenu item, so remove the old one entirely and re-add it to + //support achieving that + gchar* pLabel = g_lo_menu_get_label_from_item_in_section(pMenu, nSection, nItemPos); + g_lo_menu_remove_from_section(pMenu, nSection, nItemPos); + g_lo_menu_insert_in_section(pMenu, nSection, nItemPos, pLabel); + g_free(pLabel); + } + + g_lo_menu_set_command_to_item_in_section( pMenu, nSection, nItemPos, aCommand ); + + gchar* aItemCommand = g_strconcat("win.", aCommand, nullptr ); + + if ( bIsSubmenu ) + g_lo_menu_set_submenu_action_to_item_in_section( pMenu, nSection, nItemPos, aItemCommand ); + else + { + g_lo_menu_set_action_and_target_value_to_item_in_section( pMenu, nSection, nItemPos, aItemCommand, pTarget ); + pTarget = nullptr; + } + + g_free( aItemCommand ); + } + + if ( aCurrentCommand ) + g_free( aCurrentCommand ); + + if (pTarget) + g_variant_unref(pTarget); + + return bSubMenuAddedOrRemoved; +} + +GtkSalMenu* GtkSalMenu::GetTopLevel() +{ + GtkSalMenu *pMenu = this; + while (pMenu->mpParentSalMenu) + pMenu = pMenu->mpParentSalMenu; + return pMenu; +} + +void GtkSalMenu::DispatchCommand(const gchar *pCommand) +{ + SolarMutexGuard aGuard; + MenuAndId aMenuAndId = decode_command(pCommand); + GtkSalMenu* pSalSubMenu = aMenuAndId.first; + GtkSalMenu* pTopLevel = pSalSubMenu->GetTopLevel(); + + // tdf#125803 spacebar will toggle radios and checkbuttons without automatically + // closing the menu. To handle this properly I imagine we need to set groups for the + // radiobuttons so the others visually untoggle when the active one is toggled and + // we would further need to teach vcl that the state can change more than once. + // + // or we could unconditionally deactivate the menus if regardless of what particular + // type of menu item got activated + if (pTopLevel->mpMenuBarWidget) + { +#if !GTK_CHECK_VERSION(4, 0, 0) + gtk_menu_shell_deactivate(GTK_MENU_SHELL(pTopLevel->mpMenuBarWidget)); +#endif + } + if (pTopLevel->mpMenuWidget) + { +#if GTK_CHECK_VERSION(4, 0, 0) + gtk_popover_popdown(GTK_POPOVER(pTopLevel->mpMenuWidget)); +#else + gtk_menu_shell_deactivate(GTK_MENU_SHELL(pTopLevel->mpMenuWidget)); +#endif + } + + pTopLevel->GetMenu()->HandleMenuCommandEvent(pSalSubMenu->GetMenu(), aMenuAndId.second); +} + +void GtkSalMenu::ActivateAllSubmenus(Menu* pMenuBar) +{ + // We can re-enter this method via the new event loop that gets created + // in GtkClipboardTransferable::getTransferDataFlavorsAsVector, so use the InActivateCallback + // flag to detect that and skip some startup work. + if (mbInActivateCallback) + return; + + mbInActivateCallback = true; + pMenuBar->HandleMenuActivateEvent(GetMenu()); + mbInActivateCallback = false; + for (GtkSalMenuItem* pSalItem : maItems) + { + if ( pSalItem->mpSubMenu != nullptr ) + { + pSalItem->mpSubMenu->ActivateAllSubmenus(pMenuBar); + } + } + Update(); + pMenuBar->HandleMenuDeActivateEvent(GetMenu()); +} + +void GtkSalMenu::ClearActionGroupAndMenuModel() +{ + SetMenuModel(nullptr); + mpActionGroup = nullptr; + for (GtkSalMenuItem* pSalItem : maItems) + { + if ( pSalItem->mpSubMenu != nullptr ) + { + pSalItem->mpSubMenu->ClearActionGroupAndMenuModel(); + } + } +} + +void GtkSalMenu::Activate(const gchar* pCommand) +{ + MenuAndId aMenuAndId = decode_command(pCommand); + GtkSalMenu* pSalMenu = aMenuAndId.first; + Menu* pVclMenu = pSalMenu->GetMenu(); + if (pVclMenu->isDisposed()) + return; + GtkSalMenu* pTopLevel = pSalMenu->GetTopLevel(); + Menu* pVclSubMenu = pVclMenu->GetPopupMenu(aMenuAndId.second); + GtkSalMenu* pSubMenu = pSalMenu->GetItemAtPos(pVclMenu->GetItemPos(aMenuAndId.second))->mpSubMenu; + + pSubMenu->mbInActivateCallback = true; + pTopLevel->GetMenu()->HandleMenuActivateEvent(pVclSubMenu); + pSubMenu->mbInActivateCallback = false; + pVclSubMenu->UpdateNativeMenu(); +} + +void GtkSalMenu::Deactivate(const gchar* pCommand) +{ + MenuAndId aMenuAndId = decode_command(pCommand); + GtkSalMenu* pSalMenu = aMenuAndId.first; + Menu* pVclMenu = pSalMenu->GetMenu(); + if (pVclMenu->isDisposed()) + return; + GtkSalMenu* pTopLevel = pSalMenu->GetTopLevel(); + Menu* pVclSubMenu = pVclMenu->GetPopupMenu(aMenuAndId.second); + pTopLevel->GetMenu()->HandleMenuDeActivateEvent(pVclSubMenu); +} + +void GtkSalMenu::EnableUnity(bool bEnable) +{ + bUnityMode = bEnable; + + MenuBar* pMenuBar(static_cast<MenuBar*>(mpVCLMenu.get())); + bool bDisplayable(pMenuBar->IsDisplayable()); + + if (bEnable) + { + DestroyMenuBarWidget(); + UpdateFull(); + if (!bDisplayable) + ShowMenuBar(false); + } + else + { + Update(); + ShowMenuBar(bDisplayable); + } + + pMenuBar->LayoutChanged(); +} + +void GtkSalMenu::ShowMenuBar( bool bVisible ) +{ + // Unity tdf#106271: Can't hide global menu, so empty it instead when user wants to hide menubar, + if (bUnityMode) + { + if (bVisible) + Update(); + else if (mpMenuModel && g_menu_model_get_n_items(G_MENU_MODEL(mpMenuModel)) > 0) + g_lo_menu_remove(G_LO_MENU(mpMenuModel), 0); + } + else if (bVisible) + CreateMenuBarWidget(); + else + DestroyMenuBarWidget(); +} + +bool GtkSalMenu::IsItemVisible( unsigned nPos ) +{ + SolarMutexGuard aGuard; + bool bVisible = false; + + if ( nPos < maItems.size() ) + bVisible = maItems[ nPos ]->mbVisible; + + return bVisible; +} + +void GtkSalMenu::CheckItem( unsigned, bool ) +{ +} + +void GtkSalMenu::EnableItem( unsigned nPos, bool bEnable ) +{ + SolarMutexGuard aGuard; + if ( bUnityMode && !mbInActivateCallback && !mbNeedsUpdate && GetTopLevel()->mbMenuBar && ( nPos < maItems.size() ) ) + { + gchar* pCommand = GetCommandForItem( GetItemAtPos( nPos ) ); + NativeSetEnableItem( pCommand, bEnable ); + g_free( pCommand ); + } +} + +void GtkSalMenu::ShowItem( unsigned nPos, bool bShow ) +{ + SolarMutexGuard aGuard; + if ( nPos < maItems.size() ) + { + maItems[ nPos ]->mbVisible = bShow; + if ( bUnityMode && !mbInActivateCallback && !mbNeedsUpdate && GetTopLevel()->mbMenuBar ) + Update(); + } +} + +void GtkSalMenu::SetItemText( unsigned nPos, SalMenuItem* pSalMenuItem, const OUString& rText ) +{ + SolarMutexGuard aGuard; + if ( !bUnityMode || mbInActivateCallback || mbNeedsUpdate || !GetTopLevel()->mbMenuBar || ( nPos >= maItems.size() ) ) + return; + + gchar* pCommand = GetCommandForItem( static_cast< GtkSalMenuItem* >( pSalMenuItem ) ); + + gint nSectionsCount = g_menu_model_get_n_items( mpMenuModel ); + for ( gint nSection = 0; nSection < nSectionsCount; ++nSection ) + { + gint nItemsCount = g_lo_menu_get_n_items_from_section( G_LO_MENU( mpMenuModel ), nSection ); + for ( gint nItem = 0; nItem < nItemsCount; ++nItem ) + { + gchar* pCommandFromModel = g_lo_menu_get_command_from_item_in_section( G_LO_MENU( mpMenuModel ), nSection, nItem ); + + if ( !g_strcmp0( pCommandFromModel, pCommand ) ) + { + NativeSetItemText( nSection, nItem, rText ); + g_free( pCommandFromModel ); + g_free( pCommand ); + return; + } + + g_free( pCommandFromModel ); + } + } + + g_free( pCommand ); +} + +void GtkSalMenu::SetItemImage( unsigned, SalMenuItem*, const Image& ) +{ +} + +void GtkSalMenu::SetAccelerator( unsigned, SalMenuItem*, const vcl::KeyCode&, const OUString& ) +{ +} + +void GtkSalMenu::GetSystemMenuData( SystemMenuData* ) +{ +} + +int GtkSalMenu::GetMenuBarHeight() const +{ + return mpMenuBarWidget ? gtk_widget_get_allocated_height(mpMenuBarWidget) : 0; +} + +/* + * GtkSalMenuItem + */ + +GtkSalMenuItem::GtkSalMenuItem( const SalItemParams* pItemData ) : + mpParentMenu( nullptr ), + mpSubMenu( nullptr ), + mnType( pItemData->eType ), + mnId( pItemData->nId ), + mbVisible( true ) +{ +} + +GtkSalMenuItem::~GtkSalMenuItem() +{ +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |